if_urtwn.c revision 298436
1251538Srpaulo/* $OpenBSD: if_urtwn.c,v 1.16 2011/02/10 17:26:40 jakemsr Exp $ */ 2251538Srpaulo 3251538Srpaulo/*- 4251538Srpaulo * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr> 5264912Skevlo * Copyright (c) 2014 Kevin Lo <kevlo@FreeBSD.org> 6292176Savos * Copyright (c) 2015 Andriy Voskoboinyk <avos@FreeBSD.org> 7251538Srpaulo * 8251538Srpaulo * Permission to use, copy, modify, and distribute this software for any 9251538Srpaulo * purpose with or without fee is hereby granted, provided that the above 10251538Srpaulo * copyright notice and this permission notice appear in all copies. 11251538Srpaulo * 12251538Srpaulo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 13251538Srpaulo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 14251538Srpaulo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 15251538Srpaulo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 16251538Srpaulo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 17251538Srpaulo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18251538Srpaulo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19251538Srpaulo */ 20251538Srpaulo 21251538Srpaulo#include <sys/cdefs.h> 22251538Srpaulo__FBSDID("$FreeBSD: head/sys/dev/urtwn/if_urtwn.c 298436 2016-04-21 20:34:38Z avos $"); 23251538Srpaulo 24251538Srpaulo/* 25264912Skevlo * Driver for Realtek RTL8188CE-VAU/RTL8188CUS/RTL8188EU/RTL8188RU/RTL8192CU. 26251538Srpaulo */ 27251538Srpaulo 28288353Sadrian#include "opt_wlan.h" 29295871Savos#include "opt_urtwn.h" 30288353Sadrian 31251538Srpaulo#include <sys/param.h> 32251538Srpaulo#include <sys/sockio.h> 33251538Srpaulo#include <sys/sysctl.h> 34251538Srpaulo#include <sys/lock.h> 35251538Srpaulo#include <sys/mutex.h> 36291902Skevlo#include <sys/condvar.h> 37251538Srpaulo#include <sys/mbuf.h> 38251538Srpaulo#include <sys/kernel.h> 39251538Srpaulo#include <sys/socket.h> 40251538Srpaulo#include <sys/systm.h> 41251538Srpaulo#include <sys/malloc.h> 42251538Srpaulo#include <sys/module.h> 43251538Srpaulo#include <sys/bus.h> 44251538Srpaulo#include <sys/endian.h> 45251538Srpaulo#include <sys/linker.h> 46251538Srpaulo#include <sys/firmware.h> 47251538Srpaulo#include <sys/kdb.h> 48251538Srpaulo 49251538Srpaulo#include <machine/bus.h> 50251538Srpaulo#include <machine/resource.h> 51251538Srpaulo#include <sys/rman.h> 52251538Srpaulo 53251538Srpaulo#include <net/bpf.h> 54251538Srpaulo#include <net/if.h> 55257176Sglebius#include <net/if_var.h> 56251538Srpaulo#include <net/if_arp.h> 57251538Srpaulo#include <net/ethernet.h> 58251538Srpaulo#include <net/if_dl.h> 59251538Srpaulo#include <net/if_media.h> 60251538Srpaulo#include <net/if_types.h> 61251538Srpaulo 62251538Srpaulo#include <netinet/in.h> 63251538Srpaulo#include <netinet/in_systm.h> 64251538Srpaulo#include <netinet/in_var.h> 65251538Srpaulo#include <netinet/if_ether.h> 66251538Srpaulo#include <netinet/ip.h> 67251538Srpaulo 68251538Srpaulo#include <net80211/ieee80211_var.h> 69251538Srpaulo#include <net80211/ieee80211_regdomain.h> 70251538Srpaulo#include <net80211/ieee80211_radiotap.h> 71251538Srpaulo#include <net80211/ieee80211_ratectl.h> 72297596Sadrian#ifdef IEEE80211_SUPPORT_SUPERG 73297596Sadrian#include <net80211/ieee80211_superg.h> 74297596Sadrian#endif 75251538Srpaulo 76251538Srpaulo#include <dev/usb/usb.h> 77251538Srpaulo#include <dev/usb/usbdi.h> 78291902Skevlo#include <dev/usb/usb_device.h> 79251538Srpaulo#include "usbdevs.h" 80251538Srpaulo 81251538Srpaulo#include <dev/usb/usb_debug.h> 82251538Srpaulo 83297058Sadrian#include <dev/urtwn/if_urtwnreg.h> 84297058Sadrian#include <dev/urtwn/if_urtwnvar.h> 85251538Srpaulo 86251538Srpaulo#ifdef USB_DEBUG 87294471Savosenum { 88294471Savos URTWN_DEBUG_XMIT = 0x00000001, /* basic xmit operation */ 89294471Savos URTWN_DEBUG_RECV = 0x00000002, /* basic recv operation */ 90294471Savos URTWN_DEBUG_STATE = 0x00000004, /* 802.11 state transitions */ 91294471Savos URTWN_DEBUG_RA = 0x00000008, /* f/w rate adaptation setup */ 92294471Savos URTWN_DEBUG_USB = 0x00000010, /* usb requests */ 93294471Savos URTWN_DEBUG_FIRMWARE = 0x00000020, /* firmware(9) loading debug */ 94294471Savos URTWN_DEBUG_BEACON = 0x00000040, /* beacon handling */ 95294471Savos URTWN_DEBUG_INTR = 0x00000080, /* ISR */ 96294471Savos URTWN_DEBUG_TEMP = 0x00000100, /* temperature calibration */ 97294471Savos URTWN_DEBUG_ROM = 0x00000200, /* various ROM info */ 98294471Savos URTWN_DEBUG_KEY = 0x00000400, /* crypto keys management */ 99294471Savos URTWN_DEBUG_TXPWR = 0x00000800, /* dump Tx power values */ 100297175Sadrian URTWN_DEBUG_RSSI = 0x00001000, /* dump RSSI lookups */ 101294471Savos URTWN_DEBUG_ANY = 0xffffffff 102294471Savos}; 103251538Srpaulo 104294471Savos#define URTWN_DPRINTF(_sc, _m, ...) do { \ 105294471Savos if ((_sc)->sc_debug & (_m)) \ 106294471Savos device_printf((_sc)->sc_dev, __VA_ARGS__); \ 107294471Savos} while(0) 108294471Savos 109294471Savos#else 110294471Savos#define URTWN_DPRINTF(_sc, _m, ...) do { (void) sc; } while (0) 111251538Srpaulo#endif 112251538Srpaulo 113288088Sadrian#define IEEE80211_HAS_ADDR4(wh) IEEE80211_IS_DSTODS(wh) 114251538Srpaulo 115297175Sadrianstatic int urtwn_enable_11n = 1; 116297175SadrianTUNABLE_INT("hw.usb.urtwn.enable_11n", &urtwn_enable_11n); 117297175Sadrian 118251538Srpaulo/* various supported device vendors/products */ 119251596Srpaulostatic const STRUCT_USB_HOST_ID urtwn_devs[] = { 120251538Srpaulo#define URTWN_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) } 121264912Skevlo#define URTWN_RTL8188E_DEV(v,p) \ 122264912Skevlo { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, URTWN_RTL8188E) } 123264912Skevlo#define URTWN_RTL8188E 1 124251538Srpaulo URTWN_DEV(ABOCOM, RTL8188CU_1), 125251538Srpaulo URTWN_DEV(ABOCOM, RTL8188CU_2), 126251538Srpaulo URTWN_DEV(ABOCOM, RTL8192CU), 127251538Srpaulo URTWN_DEV(ASUS, RTL8192CU), 128266721Skevlo URTWN_DEV(ASUS, USBN10NANO), 129251538Srpaulo URTWN_DEV(AZUREWAVE, RTL8188CE_1), 130251538Srpaulo URTWN_DEV(AZUREWAVE, RTL8188CE_2), 131251538Srpaulo URTWN_DEV(AZUREWAVE, RTL8188CU), 132251538Srpaulo URTWN_DEV(BELKIN, F7D2102), 133251538Srpaulo URTWN_DEV(BELKIN, RTL8188CU), 134251538Srpaulo URTWN_DEV(BELKIN, RTL8192CU), 135251538Srpaulo URTWN_DEV(CHICONY, RTL8188CUS_1), 136251538Srpaulo URTWN_DEV(CHICONY, RTL8188CUS_2), 137251538Srpaulo URTWN_DEV(CHICONY, RTL8188CUS_3), 138251538Srpaulo URTWN_DEV(CHICONY, RTL8188CUS_4), 139251538Srpaulo URTWN_DEV(CHICONY, RTL8188CUS_5), 140251538Srpaulo URTWN_DEV(COREGA, RTL8192CU), 141251538Srpaulo URTWN_DEV(DLINK, RTL8188CU), 142251538Srpaulo URTWN_DEV(DLINK, RTL8192CU_1), 143251538Srpaulo URTWN_DEV(DLINK, RTL8192CU_2), 144251538Srpaulo URTWN_DEV(DLINK, RTL8192CU_3), 145252196Skevlo URTWN_DEV(DLINK, DWA131B), 146251538Srpaulo URTWN_DEV(EDIMAX, EW7811UN), 147251538Srpaulo URTWN_DEV(EDIMAX, RTL8192CU), 148251538Srpaulo URTWN_DEV(FEIXUN, RTL8188CU), 149251538Srpaulo URTWN_DEV(FEIXUN, RTL8192CU), 150251538Srpaulo URTWN_DEV(GUILLEMOT, HWNUP150), 151251538Srpaulo URTWN_DEV(HAWKING, RTL8192CU), 152251538Srpaulo URTWN_DEV(HP3, RTL8188CU), 153251538Srpaulo URTWN_DEV(NETGEAR, WNA1000M), 154251538Srpaulo URTWN_DEV(NETGEAR, RTL8192CU), 155251538Srpaulo URTWN_DEV(NETGEAR4, RTL8188CU), 156251538Srpaulo URTWN_DEV(NOVATECH, RTL8188CU), 157251538Srpaulo URTWN_DEV(PLANEX2, RTL8188CU_1), 158251538Srpaulo URTWN_DEV(PLANEX2, RTL8188CU_2), 159251538Srpaulo URTWN_DEV(PLANEX2, RTL8188CU_3), 160251538Srpaulo URTWN_DEV(PLANEX2, RTL8188CU_4), 161251538Srpaulo URTWN_DEV(PLANEX2, RTL8188CUS), 162251538Srpaulo URTWN_DEV(PLANEX2, RTL8192CU), 163251538Srpaulo URTWN_DEV(REALTEK, RTL8188CE_0), 164251538Srpaulo URTWN_DEV(REALTEK, RTL8188CE_1), 165251538Srpaulo URTWN_DEV(REALTEK, RTL8188CTV), 166251538Srpaulo URTWN_DEV(REALTEK, RTL8188CU_0), 167251538Srpaulo URTWN_DEV(REALTEK, RTL8188CU_1), 168251538Srpaulo URTWN_DEV(REALTEK, RTL8188CU_2), 169282119Skevlo URTWN_DEV(REALTEK, RTL8188CU_3), 170251538Srpaulo URTWN_DEV(REALTEK, RTL8188CU_COMBO), 171251538Srpaulo URTWN_DEV(REALTEK, RTL8188CUS), 172251538Srpaulo URTWN_DEV(REALTEK, RTL8188RU_1), 173251538Srpaulo URTWN_DEV(REALTEK, RTL8188RU_2), 174272410Shselasky URTWN_DEV(REALTEK, RTL8188RU_3), 175251538Srpaulo URTWN_DEV(REALTEK, RTL8191CU), 176251538Srpaulo URTWN_DEV(REALTEK, RTL8192CE), 177251538Srpaulo URTWN_DEV(REALTEK, RTL8192CU), 178251538Srpaulo URTWN_DEV(SITECOMEU, RTL8188CU_1), 179251538Srpaulo URTWN_DEV(SITECOMEU, RTL8188CU_2), 180251538Srpaulo URTWN_DEV(SITECOMEU, RTL8192CU), 181251538Srpaulo URTWN_DEV(TRENDNET, RTL8188CU), 182251538Srpaulo URTWN_DEV(TRENDNET, RTL8192CU), 183251538Srpaulo URTWN_DEV(ZYXEL, RTL8192CU), 184264912Skevlo /* URTWN_RTL8188E */ 185295907Skevlo URTWN_RTL8188E_DEV(ABOCOM, RTL8188EU), 186273589Skevlo URTWN_RTL8188E_DEV(DLINK, DWA123D1), 187270191Skevlo URTWN_RTL8188E_DEV(DLINK, DWA125D1), 188273589Skevlo URTWN_RTL8188E_DEV(ELECOM, WDC150SU2M), 189264912Skevlo URTWN_RTL8188E_DEV(REALTEK, RTL8188ETV), 190264912Skevlo URTWN_RTL8188E_DEV(REALTEK, RTL8188EU), 191264912Skevlo#undef URTWN_RTL8188E_DEV 192251538Srpaulo#undef URTWN_DEV 193251538Srpaulo}; 194251538Srpaulo 195251538Srpaulostatic device_probe_t urtwn_match; 196251538Srpaulostatic device_attach_t urtwn_attach; 197251538Srpaulostatic device_detach_t urtwn_detach; 198251538Srpaulo 199251538Srpaulostatic usb_callback_t urtwn_bulk_tx_callback; 200251538Srpaulostatic usb_callback_t urtwn_bulk_rx_callback; 201251538Srpaulo 202294471Savosstatic void urtwn_sysctlattach(struct urtwn_softc *); 203294471Savosstatic void urtwn_drain_mbufq(struct urtwn_softc *); 204287197Sglebiusstatic usb_error_t urtwn_do_request(struct urtwn_softc *, 205287197Sglebius struct usb_device_request *, void *); 206251538Srpaulostatic struct ieee80211vap *urtwn_vap_create(struct ieee80211com *, 207251538Srpaulo const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 208251538Srpaulo const uint8_t [IEEE80211_ADDR_LEN], 209251538Srpaulo const uint8_t [IEEE80211_ADDR_LEN]); 210251538Srpaulostatic void urtwn_vap_delete(struct ieee80211vap *); 211292207Savosstatic struct mbuf * urtwn_rx_copy_to_mbuf(struct urtwn_softc *, 212292207Savos struct r92c_rx_stat *, int); 213292207Savosstatic struct mbuf * urtwn_report_intr(struct usb_xfer *, 214292207Savos struct urtwn_data *); 215292207Savosstatic struct mbuf * urtwn_rxeof(struct urtwn_softc *, uint8_t *, int); 216292167Savosstatic void urtwn_r88e_ratectl_tx_complete(struct urtwn_softc *, 217292167Savos void *); 218292207Savosstatic struct ieee80211_node *urtwn_rx_frame(struct urtwn_softc *, 219292207Savos struct mbuf *, int8_t *); 220289891Savosstatic void urtwn_txeof(struct urtwn_softc *, struct urtwn_data *, 221289891Savos int); 222281069Srpaulostatic int urtwn_alloc_list(struct urtwn_softc *, 223251538Srpaulo struct urtwn_data[], int, int); 224251538Srpaulostatic int urtwn_alloc_rx_list(struct urtwn_softc *); 225251538Srpaulostatic int urtwn_alloc_tx_list(struct urtwn_softc *); 226251538Srpaulostatic void urtwn_free_list(struct urtwn_softc *, 227251538Srpaulo struct urtwn_data data[], int); 228289066Skevlostatic void urtwn_free_rx_list(struct urtwn_softc *); 229289066Skevlostatic void urtwn_free_tx_list(struct urtwn_softc *); 230251538Srpaulostatic struct urtwn_data * _urtwn_getbuf(struct urtwn_softc *); 231251538Srpaulostatic struct urtwn_data * urtwn_getbuf(struct urtwn_softc *); 232291698Savosstatic usb_error_t urtwn_write_region_1(struct urtwn_softc *, uint16_t, 233251538Srpaulo uint8_t *, int); 234291698Savosstatic usb_error_t urtwn_write_1(struct urtwn_softc *, uint16_t, uint8_t); 235291698Savosstatic usb_error_t urtwn_write_2(struct urtwn_softc *, uint16_t, uint16_t); 236291698Savosstatic usb_error_t urtwn_write_4(struct urtwn_softc *, uint16_t, uint32_t); 237291698Savosstatic usb_error_t urtwn_read_region_1(struct urtwn_softc *, uint16_t, 238251538Srpaulo uint8_t *, int); 239251538Srpaulostatic uint8_t urtwn_read_1(struct urtwn_softc *, uint16_t); 240251538Srpaulostatic uint16_t urtwn_read_2(struct urtwn_softc *, uint16_t); 241251538Srpaulostatic uint32_t urtwn_read_4(struct urtwn_softc *, uint16_t); 242281069Srpaulostatic int urtwn_fw_cmd(struct urtwn_softc *, uint8_t, 243251538Srpaulo const void *, int); 244292174Savosstatic void urtwn_cmdq_cb(void *, int); 245292174Savosstatic int urtwn_cmd_sleepable(struct urtwn_softc *, const void *, 246292174Savos size_t, CMD_FUNC_PROTO); 247264912Skevlostatic void urtwn_r92c_rf_write(struct urtwn_softc *, int, 248264912Skevlo uint8_t, uint32_t); 249281069Srpaulostatic void urtwn_r88e_rf_write(struct urtwn_softc *, int, 250264912Skevlo uint8_t, uint32_t); 251251538Srpaulostatic uint32_t urtwn_rf_read(struct urtwn_softc *, int, uint8_t); 252281069Srpaulostatic int urtwn_llt_write(struct urtwn_softc *, uint32_t, 253251538Srpaulo uint32_t); 254291264Savosstatic int urtwn_efuse_read_next(struct urtwn_softc *, uint8_t *); 255291264Savosstatic int urtwn_efuse_read_data(struct urtwn_softc *, uint8_t *, 256291264Savos uint8_t, uint8_t); 257294471Savos#ifdef USB_DEBUG 258291264Savosstatic void urtwn_dump_rom_contents(struct urtwn_softc *, 259291264Savos uint8_t *, uint16_t); 260291264Savos#endif 261291264Savosstatic int urtwn_efuse_read(struct urtwn_softc *, uint8_t *, 262291264Savos uint16_t); 263291698Savosstatic int urtwn_efuse_switch_power(struct urtwn_softc *); 264251538Srpaulostatic int urtwn_read_chipid(struct urtwn_softc *); 265291264Savosstatic int urtwn_read_rom(struct urtwn_softc *); 266291264Savosstatic int urtwn_r88e_read_rom(struct urtwn_softc *); 267251538Srpaulostatic int urtwn_ra_init(struct urtwn_softc *); 268290631Savosstatic void urtwn_init_beacon(struct urtwn_softc *, 269290631Savos struct urtwn_vap *); 270290631Savosstatic int urtwn_setup_beacon(struct urtwn_softc *, 271290631Savos struct ieee80211_node *); 272290631Savosstatic void urtwn_update_beacon(struct ieee80211vap *, int); 273290631Savosstatic int urtwn_tx_beacon(struct urtwn_softc *sc, 274290631Savos struct urtwn_vap *); 275292175Savosstatic int urtwn_key_alloc(struct ieee80211vap *, 276292175Savos struct ieee80211_key *, ieee80211_keyix *, 277292175Savos ieee80211_keyix *); 278292175Savosstatic void urtwn_key_set_cb(struct urtwn_softc *, 279292175Savos union sec_param *); 280292175Savosstatic void urtwn_key_del_cb(struct urtwn_softc *, 281292175Savos union sec_param *); 282292175Savosstatic int urtwn_key_set(struct ieee80211vap *, 283292175Savos const struct ieee80211_key *); 284292175Savosstatic int urtwn_key_delete(struct ieee80211vap *, 285292175Savos const struct ieee80211_key *); 286290651Savosstatic void urtwn_tsf_task_adhoc(void *, int); 287290631Savosstatic void urtwn_tsf_sync_enable(struct urtwn_softc *, 288290631Savos struct ieee80211vap *); 289292203Savosstatic void urtwn_get_tsf(struct urtwn_softc *, uint64_t *); 290251538Srpaulostatic void urtwn_set_led(struct urtwn_softc *, int, int); 291289811Savosstatic void urtwn_set_mode(struct urtwn_softc *, uint8_t); 292290651Savosstatic void urtwn_ibss_recv_mgmt(struct ieee80211_node *, 293290651Savos struct mbuf *, int, 294290651Savos const struct ieee80211_rx_stats *, int, int); 295281069Srpaulostatic int urtwn_newstate(struct ieee80211vap *, 296251538Srpaulo enum ieee80211_state, int); 297294473Savosstatic void urtwn_calib_to(void *); 298294473Savosstatic void urtwn_calib_cb(struct urtwn_softc *, 299294473Savos union sec_param *); 300251538Srpaulostatic void urtwn_watchdog(void *); 301251538Srpaulostatic void urtwn_update_avgrssi(struct urtwn_softc *, int, int8_t); 302251538Srpaulostatic int8_t urtwn_get_rssi(struct urtwn_softc *, int, void *); 303264912Skevlostatic int8_t urtwn_r88e_get_rssi(struct urtwn_softc *, int, void *); 304290630Savosstatic int urtwn_tx_data(struct urtwn_softc *, 305251538Srpaulo struct ieee80211_node *, struct mbuf *, 306251538Srpaulo struct urtwn_data *); 307292221Savosstatic int urtwn_tx_raw(struct urtwn_softc *, 308292221Savos struct ieee80211_node *, struct mbuf *, 309292221Savos struct urtwn_data *, 310292221Savos const struct ieee80211_bpf_params *); 311290630Savosstatic void urtwn_tx_start(struct urtwn_softc *, struct mbuf *, 312290630Savos uint8_t, struct urtwn_data *); 313287197Sglebiusstatic int urtwn_transmit(struct ieee80211com *, struct mbuf *); 314287197Sglebiusstatic void urtwn_start(struct urtwn_softc *); 315287197Sglebiusstatic void urtwn_parent(struct ieee80211com *); 316264912Skevlostatic int urtwn_r92c_power_on(struct urtwn_softc *); 317264912Skevlostatic int urtwn_r88e_power_on(struct urtwn_softc *); 318295874Savosstatic void urtwn_r92c_power_off(struct urtwn_softc *); 319295874Savosstatic void urtwn_r88e_power_off(struct urtwn_softc *); 320251538Srpaulostatic int urtwn_llt_init(struct urtwn_softc *); 321295871Savos#ifndef URTWN_WITHOUT_UCODE 322251538Srpaulostatic void urtwn_fw_reset(struct urtwn_softc *); 323264912Skevlostatic void urtwn_r88e_fw_reset(struct urtwn_softc *); 324281069Srpaulostatic int urtwn_fw_loadpage(struct urtwn_softc *, int, 325251538Srpaulo const uint8_t *, int); 326251538Srpaulostatic int urtwn_load_firmware(struct urtwn_softc *); 327295871Savos#endif 328291902Skevlostatic int urtwn_dma_init(struct urtwn_softc *); 329291698Savosstatic int urtwn_mac_init(struct urtwn_softc *); 330251538Srpaulostatic void urtwn_bb_init(struct urtwn_softc *); 331251538Srpaulostatic void urtwn_rf_init(struct urtwn_softc *); 332251538Srpaulostatic void urtwn_cam_init(struct urtwn_softc *); 333292175Savosstatic int urtwn_cam_write(struct urtwn_softc *, uint32_t, 334292175Savos uint32_t); 335251538Srpaulostatic void urtwn_pa_bias_init(struct urtwn_softc *); 336251538Srpaulostatic void urtwn_rxfilter_init(struct urtwn_softc *); 337251538Srpaulostatic void urtwn_edca_init(struct urtwn_softc *); 338281069Srpaulostatic void urtwn_write_txpower(struct urtwn_softc *, int, 339251538Srpaulo uint16_t[]); 340251538Srpaulostatic void urtwn_get_txpower(struct urtwn_softc *, int, 341281069Srpaulo struct ieee80211_channel *, 342251538Srpaulo struct ieee80211_channel *, uint16_t[]); 343264912Skevlostatic void urtwn_r88e_get_txpower(struct urtwn_softc *, int, 344281069Srpaulo struct ieee80211_channel *, 345264912Skevlo struct ieee80211_channel *, uint16_t[]); 346251538Srpaulostatic void urtwn_set_txpower(struct urtwn_softc *, 347281069Srpaulo struct ieee80211_channel *, 348251538Srpaulo struct ieee80211_channel *); 349290048Savosstatic void urtwn_set_rx_bssid_all(struct urtwn_softc *, int); 350290048Savosstatic void urtwn_set_gain(struct urtwn_softc *, uint8_t); 351251538Srpaulostatic void urtwn_scan_start(struct ieee80211com *); 352251538Srpaulostatic void urtwn_scan_end(struct ieee80211com *); 353251538Srpaulostatic void urtwn_set_channel(struct ieee80211com *); 354292014Savosstatic int urtwn_wme_update(struct ieee80211com *); 355294465Savosstatic void urtwn_update_slot(struct ieee80211com *); 356294465Savosstatic void urtwn_update_slot_cb(struct urtwn_softc *, 357294465Savos union sec_param *); 358294465Savosstatic void urtwn_update_aifs(struct urtwn_softc *, uint8_t); 359290564Savosstatic void urtwn_set_promisc(struct urtwn_softc *); 360290564Savosstatic void urtwn_update_promisc(struct ieee80211com *); 361289066Skevlostatic void urtwn_update_mcast(struct ieee80211com *); 362297910Sadrianstatic struct ieee80211_node *urtwn_node_alloc(struct ieee80211vap *, 363292167Savos const uint8_t mac[IEEE80211_ADDR_LEN]); 364297910Sadrianstatic void urtwn_newassoc(struct ieee80211_node *, int); 365297910Sadrianstatic void urtwn_node_free(struct ieee80211_node *); 366251538Srpaulostatic void urtwn_set_chan(struct urtwn_softc *, 367281069Srpaulo struct ieee80211_channel *, 368251538Srpaulo struct ieee80211_channel *); 369251538Srpaulostatic void urtwn_iq_calib(struct urtwn_softc *); 370251538Srpaulostatic void urtwn_lc_calib(struct urtwn_softc *); 371294473Savosstatic void urtwn_temp_calib(struct urtwn_softc *); 372291698Savosstatic int urtwn_init(struct urtwn_softc *); 373287197Sglebiusstatic void urtwn_stop(struct urtwn_softc *); 374251538Srpaulostatic void urtwn_abort_xfers(struct urtwn_softc *); 375251538Srpaulostatic int urtwn_raw_xmit(struct ieee80211_node *, struct mbuf *, 376251538Srpaulo const struct ieee80211_bpf_params *); 377266472Shselaskystatic void urtwn_ms_delay(struct urtwn_softc *); 378251538Srpaulo 379251538Srpaulo/* Aliases. */ 380251538Srpaulo#define urtwn_bb_write urtwn_write_4 381251538Srpaulo#define urtwn_bb_read urtwn_read_4 382251538Srpaulo 383251538Srpaulostatic const struct usb_config urtwn_config[URTWN_N_TRANSFER] = { 384251538Srpaulo [URTWN_BULK_RX] = { 385251538Srpaulo .type = UE_BULK, 386251538Srpaulo .endpoint = UE_ADDR_ANY, 387251538Srpaulo .direction = UE_DIR_IN, 388251538Srpaulo .bufsize = URTWN_RXBUFSZ, 389251538Srpaulo .flags = { 390251538Srpaulo .pipe_bof = 1, 391251538Srpaulo .short_xfer_ok = 1 392251538Srpaulo }, 393251538Srpaulo .callback = urtwn_bulk_rx_callback, 394251538Srpaulo }, 395251538Srpaulo [URTWN_BULK_TX_BE] = { 396251538Srpaulo .type = UE_BULK, 397251538Srpaulo .endpoint = 0x03, 398251538Srpaulo .direction = UE_DIR_OUT, 399251538Srpaulo .bufsize = URTWN_TXBUFSZ, 400251538Srpaulo .flags = { 401251538Srpaulo .ext_buffer = 1, 402251538Srpaulo .pipe_bof = 1, 403251538Srpaulo .force_short_xfer = 1 404251538Srpaulo }, 405251538Srpaulo .callback = urtwn_bulk_tx_callback, 406251538Srpaulo .timeout = URTWN_TX_TIMEOUT, /* ms */ 407251538Srpaulo }, 408251538Srpaulo [URTWN_BULK_TX_BK] = { 409251538Srpaulo .type = UE_BULK, 410251538Srpaulo .endpoint = 0x03, 411251538Srpaulo .direction = UE_DIR_OUT, 412251538Srpaulo .bufsize = URTWN_TXBUFSZ, 413251538Srpaulo .flags = { 414251538Srpaulo .ext_buffer = 1, 415251538Srpaulo .pipe_bof = 1, 416251538Srpaulo .force_short_xfer = 1, 417251538Srpaulo }, 418251538Srpaulo .callback = urtwn_bulk_tx_callback, 419251538Srpaulo .timeout = URTWN_TX_TIMEOUT, /* ms */ 420251538Srpaulo }, 421251538Srpaulo [URTWN_BULK_TX_VI] = { 422251538Srpaulo .type = UE_BULK, 423251538Srpaulo .endpoint = 0x02, 424251538Srpaulo .direction = UE_DIR_OUT, 425251538Srpaulo .bufsize = URTWN_TXBUFSZ, 426251538Srpaulo .flags = { 427251538Srpaulo .ext_buffer = 1, 428251538Srpaulo .pipe_bof = 1, 429251538Srpaulo .force_short_xfer = 1 430251538Srpaulo }, 431251538Srpaulo .callback = urtwn_bulk_tx_callback, 432251538Srpaulo .timeout = URTWN_TX_TIMEOUT, /* ms */ 433251538Srpaulo }, 434251538Srpaulo [URTWN_BULK_TX_VO] = { 435251538Srpaulo .type = UE_BULK, 436251538Srpaulo .endpoint = 0x02, 437251538Srpaulo .direction = UE_DIR_OUT, 438251538Srpaulo .bufsize = URTWN_TXBUFSZ, 439251538Srpaulo .flags = { 440251538Srpaulo .ext_buffer = 1, 441251538Srpaulo .pipe_bof = 1, 442251538Srpaulo .force_short_xfer = 1 443251538Srpaulo }, 444251538Srpaulo .callback = urtwn_bulk_tx_callback, 445251538Srpaulo .timeout = URTWN_TX_TIMEOUT, /* ms */ 446251538Srpaulo }, 447251538Srpaulo}; 448251538Srpaulo 449292014Savosstatic const struct wme_to_queue { 450292014Savos uint16_t reg; 451292014Savos uint8_t qid; 452292014Savos} wme2queue[WME_NUM_AC] = { 453292014Savos { R92C_EDCA_BE_PARAM, URTWN_BULK_TX_BE}, 454292014Savos { R92C_EDCA_BK_PARAM, URTWN_BULK_TX_BK}, 455292014Savos { R92C_EDCA_VI_PARAM, URTWN_BULK_TX_VI}, 456292014Savos { R92C_EDCA_VO_PARAM, URTWN_BULK_TX_VO} 457292014Savos}; 458292014Savos 459251538Srpaulostatic int 460251538Srpaulourtwn_match(device_t self) 461251538Srpaulo{ 462251538Srpaulo struct usb_attach_arg *uaa = device_get_ivars(self); 463251538Srpaulo 464251538Srpaulo if (uaa->usb_mode != USB_MODE_HOST) 465251538Srpaulo return (ENXIO); 466251538Srpaulo if (uaa->info.bConfigIndex != URTWN_CONFIG_INDEX) 467251538Srpaulo return (ENXIO); 468251538Srpaulo if (uaa->info.bIfaceIndex != URTWN_IFACE_INDEX) 469251538Srpaulo return (ENXIO); 470251538Srpaulo 471251538Srpaulo return (usbd_lookup_id_by_uaa(urtwn_devs, sizeof(urtwn_devs), uaa)); 472251538Srpaulo} 473251538Srpaulo 474297175Sadrianstatic void 475297175Sadrianurtwn_update_chw(struct ieee80211com *ic) 476297175Sadrian{ 477297175Sadrian} 478297175Sadrian 479251538Srpaulostatic int 480297175Sadrianurtwn_ampdu_enable(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap) 481297175Sadrian{ 482297175Sadrian 483297175Sadrian /* We're driving this ourselves (eventually); don't involve net80211 */ 484297175Sadrian return (0); 485297175Sadrian} 486297175Sadrian 487297175Sadrianstatic int 488251538Srpaulourtwn_attach(device_t self) 489251538Srpaulo{ 490251538Srpaulo struct usb_attach_arg *uaa = device_get_ivars(self); 491251538Srpaulo struct urtwn_softc *sc = device_get_softc(self); 492287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 493293339Savos uint8_t bands[howmany(IEEE80211_MODE_MAX, 8)]; 494251538Srpaulo int error; 495251538Srpaulo 496251538Srpaulo device_set_usb_desc(self); 497251538Srpaulo sc->sc_udev = uaa->device; 498251538Srpaulo sc->sc_dev = self; 499264912Skevlo if (USB_GET_DRIVER_INFO(uaa) == URTWN_RTL8188E) 500264912Skevlo sc->chip |= URTWN_CHIP_88E; 501251538Srpaulo 502294471Savos#ifdef USB_DEBUG 503294471Savos int debug; 504294471Savos if (resource_int_value(device_get_name(sc->sc_dev), 505294471Savos device_get_unit(sc->sc_dev), "debug", &debug) == 0) 506294471Savos sc->sc_debug = debug; 507294471Savos#endif 508294471Savos 509251538Srpaulo mtx_init(&sc->sc_mtx, device_get_nameunit(self), 510251538Srpaulo MTX_NETWORK_LOCK, MTX_DEF); 511292174Savos URTWN_CMDQ_LOCK_INIT(sc); 512292167Savos URTWN_NT_LOCK_INIT(sc); 513294473Savos callout_init(&sc->sc_calib_to, 0); 514251538Srpaulo callout_init(&sc->sc_watchdog_ch, 0); 515287197Sglebius mbufq_init(&sc->sc_snd, ifqmaxlen); 516251538Srpaulo 517291902Skevlo sc->sc_iface_index = URTWN_IFACE_INDEX; 518291902Skevlo error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index, 519291902Skevlo sc->sc_xfer, urtwn_config, URTWN_N_TRANSFER, sc, &sc->sc_mtx); 520251538Srpaulo if (error) { 521251538Srpaulo device_printf(self, "could not allocate USB transfers, " 522251538Srpaulo "err=%s\n", usbd_errstr(error)); 523251538Srpaulo goto detach; 524251538Srpaulo } 525251538Srpaulo 526251538Srpaulo URTWN_LOCK(sc); 527251538Srpaulo 528251538Srpaulo error = urtwn_read_chipid(sc); 529251538Srpaulo if (error) { 530251538Srpaulo device_printf(sc->sc_dev, "unsupported test chip\n"); 531251538Srpaulo URTWN_UNLOCK(sc); 532251538Srpaulo goto detach; 533251538Srpaulo } 534251538Srpaulo 535251538Srpaulo /* Determine number of Tx/Rx chains. */ 536251538Srpaulo if (sc->chip & URTWN_CHIP_92C) { 537251538Srpaulo sc->ntxchains = (sc->chip & URTWN_CHIP_92C_1T2R) ? 1 : 2; 538251538Srpaulo sc->nrxchains = 2; 539251538Srpaulo } else { 540251538Srpaulo sc->ntxchains = 1; 541251538Srpaulo sc->nrxchains = 1; 542251538Srpaulo } 543251538Srpaulo 544264912Skevlo if (sc->chip & URTWN_CHIP_88E) 545291264Savos error = urtwn_r88e_read_rom(sc); 546264912Skevlo else 547291264Savos error = urtwn_read_rom(sc); 548291264Savos if (error != 0) { 549291264Savos device_printf(sc->sc_dev, "%s: cannot read rom, error %d\n", 550291264Savos __func__, error); 551291264Savos URTWN_UNLOCK(sc); 552291264Savos goto detach; 553291264Savos } 554264912Skevlo 555251538Srpaulo device_printf(sc->sc_dev, "MAC/BB RTL%s, RF 6052 %dT%dR\n", 556251538Srpaulo (sc->chip & URTWN_CHIP_92C) ? "8192CU" : 557264912Skevlo (sc->chip & URTWN_CHIP_88E) ? "8188EU" : 558251538Srpaulo (sc->board_type == R92C_BOARD_TYPE_HIGHPA) ? "8188RU" : 559251538Srpaulo (sc->board_type == R92C_BOARD_TYPE_MINICARD) ? "8188CE-VAU" : 560251538Srpaulo "8188CUS", sc->ntxchains, sc->nrxchains); 561251538Srpaulo 562251538Srpaulo URTWN_UNLOCK(sc); 563251538Srpaulo 564283537Sglebius ic->ic_softc = sc; 565283527Sglebius ic->ic_name = device_get_nameunit(self); 566251538Srpaulo ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 567251538Srpaulo ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 568251538Srpaulo 569251538Srpaulo /* set device capabilities */ 570251538Srpaulo ic->ic_caps = 571251538Srpaulo IEEE80211_C_STA /* station mode */ 572251538Srpaulo | IEEE80211_C_MONITOR /* monitor mode */ 573290651Savos | IEEE80211_C_IBSS /* adhoc mode */ 574290631Savos | IEEE80211_C_HOSTAP /* hostap mode */ 575251538Srpaulo | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 576251538Srpaulo | IEEE80211_C_SHSLOT /* short slot time supported */ 577297175Sadrian#if 0 578251538Srpaulo | IEEE80211_C_BGSCAN /* capable of bg scanning */ 579297175Sadrian#endif 580251538Srpaulo | IEEE80211_C_WPA /* 802.11i */ 581292014Savos | IEEE80211_C_WME /* 802.11e */ 582297596Sadrian | IEEE80211_C_SWAMSDUTX /* Do software A-MSDU TX */ 583297596Sadrian | IEEE80211_C_FF /* Atheros fast-frames */ 584251538Srpaulo ; 585251538Srpaulo 586292175Savos ic->ic_cryptocaps = 587292175Savos IEEE80211_CRYPTO_WEP | 588292175Savos IEEE80211_CRYPTO_TKIP | 589292175Savos IEEE80211_CRYPTO_AES_CCM; 590292175Savos 591297175Sadrian /* Assume they're all 11n capable for now */ 592297175Sadrian if (urtwn_enable_11n) { 593297175Sadrian device_printf(self, "enabling 11n\n"); 594297175Sadrian ic->ic_htcaps = IEEE80211_HTC_HT | 595297601Sadrian#if 0 596297175Sadrian IEEE80211_HTC_AMPDU | 597297601Sadrian#endif 598297175Sadrian IEEE80211_HTC_AMSDU | 599297175Sadrian IEEE80211_HTCAP_MAXAMSDU_3839 | 600297175Sadrian IEEE80211_HTCAP_SMPS_OFF; 601297175Sadrian /* no HT40 just yet */ 602297175Sadrian // ic->ic_htcaps |= IEEE80211_HTCAP_CHWIDTH40; 603297175Sadrian 604297175Sadrian /* XXX TODO: verify chains versus streams for urtwn */ 605297175Sadrian ic->ic_txstream = sc->ntxchains; 606297175Sadrian ic->ic_rxstream = sc->nrxchains; 607297175Sadrian } 608297175Sadrian 609293339Savos memset(bands, 0, sizeof(bands)); 610293339Savos setbit(bands, IEEE80211_MODE_11B); 611293339Savos setbit(bands, IEEE80211_MODE_11G); 612297175Sadrian if (urtwn_enable_11n) 613297175Sadrian setbit(bands, IEEE80211_MODE_11NG); 614293339Savos ieee80211_init_channels(ic, NULL, bands); 615251538Srpaulo 616287197Sglebius ieee80211_ifattach(ic); 617251538Srpaulo ic->ic_raw_xmit = urtwn_raw_xmit; 618251538Srpaulo ic->ic_scan_start = urtwn_scan_start; 619251538Srpaulo ic->ic_scan_end = urtwn_scan_end; 620251538Srpaulo ic->ic_set_channel = urtwn_set_channel; 621287197Sglebius ic->ic_transmit = urtwn_transmit; 622287197Sglebius ic->ic_parent = urtwn_parent; 623251538Srpaulo ic->ic_vap_create = urtwn_vap_create; 624251538Srpaulo ic->ic_vap_delete = urtwn_vap_delete; 625292014Savos ic->ic_wme.wme_update = urtwn_wme_update; 626294465Savos ic->ic_updateslot = urtwn_update_slot; 627290564Savos ic->ic_update_promisc = urtwn_update_promisc; 628251538Srpaulo ic->ic_update_mcast = urtwn_update_mcast; 629292167Savos if (sc->chip & URTWN_CHIP_88E) { 630297910Sadrian ic->ic_node_alloc = urtwn_node_alloc; 631297910Sadrian ic->ic_newassoc = urtwn_newassoc; 632292167Savos sc->sc_node_free = ic->ic_node_free; 633297910Sadrian ic->ic_node_free = urtwn_node_free; 634292167Savos } 635297175Sadrian ic->ic_update_chw = urtwn_update_chw; 636297175Sadrian ic->ic_ampdu_enable = urtwn_ampdu_enable; 637251538Srpaulo 638281069Srpaulo ieee80211_radiotap_attach(ic, &sc->sc_txtap.wt_ihdr, 639251538Srpaulo sizeof(sc->sc_txtap), URTWN_TX_RADIOTAP_PRESENT, 640251538Srpaulo &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 641251538Srpaulo URTWN_RX_RADIOTAP_PRESENT); 642251538Srpaulo 643292174Savos TASK_INIT(&sc->cmdq_task, 0, urtwn_cmdq_cb, sc); 644292174Savos 645294471Savos urtwn_sysctlattach(sc); 646294471Savos 647251538Srpaulo if (bootverbose) 648251538Srpaulo ieee80211_announce(ic); 649251538Srpaulo 650251538Srpaulo return (0); 651251538Srpaulo 652251538Srpaulodetach: 653251538Srpaulo urtwn_detach(self); 654251538Srpaulo return (ENXIO); /* failure */ 655251538Srpaulo} 656251538Srpaulo 657294471Savosstatic void 658294471Savosurtwn_sysctlattach(struct urtwn_softc *sc) 659294471Savos{ 660294471Savos#ifdef USB_DEBUG 661294471Savos struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 662294471Savos struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 663294471Savos 664294471Savos SYSCTL_ADD_U32(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 665294471Savos "debug", CTLFLAG_RW, &sc->sc_debug, sc->sc_debug, 666294471Savos "control debugging printfs"); 667294471Savos#endif 668294471Savos} 669294471Savos 670251538Srpaulostatic int 671251538Srpaulourtwn_detach(device_t self) 672251538Srpaulo{ 673251538Srpaulo struct urtwn_softc *sc = device_get_softc(self); 674287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 675263153Skevlo unsigned int x; 676281069Srpaulo 677263153Skevlo /* Prevent further ioctls. */ 678263153Skevlo URTWN_LOCK(sc); 679263153Skevlo sc->sc_flags |= URTWN_DETACHED; 680263153Skevlo URTWN_UNLOCK(sc); 681251538Srpaulo 682291698Savos urtwn_stop(sc); 683291698Savos 684251538Srpaulo callout_drain(&sc->sc_watchdog_ch); 685294473Savos callout_drain(&sc->sc_calib_to); 686251538Srpaulo 687288353Sadrian /* stop all USB transfers */ 688288353Sadrian usbd_transfer_unsetup(sc->sc_xfer, URTWN_N_TRANSFER); 689288353Sadrian 690263153Skevlo /* Prevent further allocations from RX/TX data lists. */ 691263153Skevlo URTWN_LOCK(sc); 692263153Skevlo STAILQ_INIT(&sc->sc_tx_active); 693263153Skevlo STAILQ_INIT(&sc->sc_tx_inactive); 694263153Skevlo STAILQ_INIT(&sc->sc_tx_pending); 695263153Skevlo 696263153Skevlo STAILQ_INIT(&sc->sc_rx_active); 697263153Skevlo STAILQ_INIT(&sc->sc_rx_inactive); 698263153Skevlo URTWN_UNLOCK(sc); 699263153Skevlo 700263153Skevlo /* drain USB transfers */ 701263153Skevlo for (x = 0; x != URTWN_N_TRANSFER; x++) 702263153Skevlo usbd_transfer_drain(sc->sc_xfer[x]); 703263153Skevlo 704263153Skevlo /* Free data buffers. */ 705263153Skevlo URTWN_LOCK(sc); 706263153Skevlo urtwn_free_tx_list(sc); 707263153Skevlo urtwn_free_rx_list(sc); 708263153Skevlo URTWN_UNLOCK(sc); 709263153Skevlo 710292174Savos if (ic->ic_softc == sc) { 711292174Savos ieee80211_draintask(ic, &sc->cmdq_task); 712292174Savos ieee80211_ifdetach(ic); 713292174Savos } 714292174Savos 715292167Savos URTWN_NT_LOCK_DESTROY(sc); 716292174Savos URTWN_CMDQ_LOCK_DESTROY(sc); 717251538Srpaulo mtx_destroy(&sc->sc_mtx); 718251538Srpaulo 719251538Srpaulo return (0); 720251538Srpaulo} 721251538Srpaulo 722251538Srpaulostatic void 723289066Skevlourtwn_drain_mbufq(struct urtwn_softc *sc) 724251538Srpaulo{ 725289066Skevlo struct mbuf *m; 726289066Skevlo struct ieee80211_node *ni; 727289066Skevlo URTWN_ASSERT_LOCKED(sc); 728289066Skevlo while ((m = mbufq_dequeue(&sc->sc_snd)) != NULL) { 729289066Skevlo ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 730289066Skevlo m->m_pkthdr.rcvif = NULL; 731289066Skevlo ieee80211_free_node(ni); 732289066Skevlo m_freem(m); 733251538Srpaulo } 734251538Srpaulo} 735251538Srpaulo 736251538Srpaulostatic usb_error_t 737251538Srpaulourtwn_do_request(struct urtwn_softc *sc, struct usb_device_request *req, 738251538Srpaulo void *data) 739251538Srpaulo{ 740251538Srpaulo usb_error_t err; 741251538Srpaulo int ntries = 10; 742251538Srpaulo 743251538Srpaulo URTWN_ASSERT_LOCKED(sc); 744251538Srpaulo 745251538Srpaulo while (ntries--) { 746251538Srpaulo err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx, 747251538Srpaulo req, data, 0, NULL, 250 /* ms */); 748251538Srpaulo if (err == 0) 749251538Srpaulo break; 750251538Srpaulo 751294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_USB, 752294471Savos "%s: control request failed, %s (retries left: %d)\n", 753294471Savos __func__, usbd_errstr(err), ntries); 754251538Srpaulo usb_pause_mtx(&sc->sc_mtx, hz / 100); 755251538Srpaulo } 756251538Srpaulo return (err); 757251538Srpaulo} 758251538Srpaulo 759251538Srpaulostatic struct ieee80211vap * 760251538Srpaulourtwn_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 761251538Srpaulo enum ieee80211_opmode opmode, int flags, 762251538Srpaulo const uint8_t bssid[IEEE80211_ADDR_LEN], 763251538Srpaulo const uint8_t mac[IEEE80211_ADDR_LEN]) 764251538Srpaulo{ 765290631Savos struct urtwn_softc *sc = ic->ic_softc; 766251538Srpaulo struct urtwn_vap *uvp; 767251538Srpaulo struct ieee80211vap *vap; 768251538Srpaulo 769251538Srpaulo if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 770251538Srpaulo return (NULL); 771251538Srpaulo 772287197Sglebius uvp = malloc(sizeof(struct urtwn_vap), M_80211_VAP, M_WAITOK | M_ZERO); 773251538Srpaulo vap = &uvp->vap; 774251538Srpaulo /* enable s/w bmiss handling for sta mode */ 775251538Srpaulo 776281069Srpaulo if (ieee80211_vap_setup(ic, vap, name, unit, opmode, 777287197Sglebius flags | IEEE80211_CLONE_NOBEACONS, bssid) != 0) { 778257743Shselasky /* out of memory */ 779257743Shselasky free(uvp, M_80211_VAP); 780257743Shselasky return (NULL); 781257743Shselasky } 782257743Shselasky 783290651Savos if (opmode == IEEE80211_M_HOSTAP || opmode == IEEE80211_M_IBSS) 784290631Savos urtwn_init_beacon(sc, uvp); 785290631Savos 786251538Srpaulo /* override state transition machine */ 787251538Srpaulo uvp->newstate = vap->iv_newstate; 788251538Srpaulo vap->iv_newstate = urtwn_newstate; 789290631Savos vap->iv_update_beacon = urtwn_update_beacon; 790292175Savos vap->iv_key_alloc = urtwn_key_alloc; 791292175Savos vap->iv_key_set = urtwn_key_set; 792292175Savos vap->iv_key_delete = urtwn_key_delete; 793298138Sadrian 794298138Sadrian /* 802.11n parameters */ 795298138Sadrian vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_16; 796298175Sadrian vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_64K; 797298138Sadrian 798290651Savos if (opmode == IEEE80211_M_IBSS) { 799290651Savos uvp->recv_mgmt = vap->iv_recv_mgmt; 800290651Savos vap->iv_recv_mgmt = urtwn_ibss_recv_mgmt; 801290651Savos TASK_INIT(&uvp->tsf_task_adhoc, 0, urtwn_tsf_task_adhoc, vap); 802290651Savos } 803251538Srpaulo 804292167Savos if (URTWN_CHIP_HAS_RATECTL(sc)) 805292167Savos ieee80211_ratectl_init(vap); 806251538Srpaulo /* complete setup */ 807251538Srpaulo ieee80211_vap_attach(vap, ieee80211_media_change, 808287197Sglebius ieee80211_media_status, mac); 809251538Srpaulo ic->ic_opmode = opmode; 810251538Srpaulo return (vap); 811251538Srpaulo} 812251538Srpaulo 813251538Srpaulostatic void 814251538Srpaulourtwn_vap_delete(struct ieee80211vap *vap) 815251538Srpaulo{ 816290651Savos struct ieee80211com *ic = vap->iv_ic; 817292167Savos struct urtwn_softc *sc = ic->ic_softc; 818251538Srpaulo struct urtwn_vap *uvp = URTWN_VAP(vap); 819251538Srpaulo 820290651Savos if (uvp->bcn_mbuf != NULL) 821290651Savos m_freem(uvp->bcn_mbuf); 822290651Savos if (vap->iv_opmode == IEEE80211_M_IBSS) 823290651Savos ieee80211_draintask(ic, &uvp->tsf_task_adhoc); 824292167Savos if (URTWN_CHIP_HAS_RATECTL(sc)) 825292167Savos ieee80211_ratectl_deinit(vap); 826251538Srpaulo ieee80211_vap_detach(vap); 827251538Srpaulo free(uvp, M_80211_VAP); 828251538Srpaulo} 829251538Srpaulo 830251538Srpaulostatic struct mbuf * 831292207Savosurtwn_rx_copy_to_mbuf(struct urtwn_softc *sc, struct r92c_rx_stat *stat, 832292207Savos int totlen) 833251538Srpaulo{ 834287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 835251538Srpaulo struct mbuf *m; 836292207Savos uint32_t rxdw0; 837292207Savos int pktlen; 838251538Srpaulo 839251538Srpaulo /* 840251538Srpaulo * don't pass packets to the ieee80211 framework if the driver isn't 841251538Srpaulo * RUNNING. 842251538Srpaulo */ 843287197Sglebius if (!(sc->sc_flags & URTWN_RUNNING)) 844251538Srpaulo return (NULL); 845251538Srpaulo 846251538Srpaulo rxdw0 = le32toh(stat->rxdw0); 847251538Srpaulo if (rxdw0 & (R92C_RXDW0_CRCERR | R92C_RXDW0_ICVERR)) { 848251538Srpaulo /* 849251538Srpaulo * This should not happen since we setup our Rx filter 850251538Srpaulo * to not receive these frames. 851251538Srpaulo */ 852294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_RECV, 853294471Savos "%s: RX flags error (%s)\n", __func__, 854292207Savos rxdw0 & R92C_RXDW0_CRCERR ? "CRC" : "ICV"); 855292207Savos goto fail; 856251538Srpaulo } 857292207Savos 858292207Savos pktlen = MS(rxdw0, R92C_RXDW0_PKTLEN); 859292207Savos if (pktlen < sizeof(struct ieee80211_frame_ack)) { 860294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_RECV, 861294471Savos "%s: frame is too short: %d\n", __func__, pktlen); 862292207Savos goto fail; 863271303Skevlo } 864251538Srpaulo 865292207Savos if (__predict_false(totlen > MCLBYTES)) { 866292207Savos /* convert to m_getjcl if this happens */ 867292207Savos device_printf(sc->sc_dev, "%s: frame too long: %d (%d)\n", 868292207Savos __func__, pktlen, totlen); 869292207Savos goto fail; 870251538Srpaulo } 871251538Srpaulo 872260463Skevlo m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 873292207Savos if (__predict_false(m == NULL)) { 874292207Savos device_printf(sc->sc_dev, "%s: could not allocate RX mbuf\n", 875292207Savos __func__); 876292207Savos goto fail; 877251538Srpaulo } 878251538Srpaulo 879251538Srpaulo /* Finalize mbuf. */ 880292207Savos memcpy(mtod(m, uint8_t *), (uint8_t *)stat, totlen); 881292207Savos m->m_pkthdr.len = m->m_len = totlen; 882292207Savos 883251538Srpaulo return (m); 884292207Savosfail: 885292207Savos counter_u64_add(ic->ic_ierrors, 1); 886292207Savos return (NULL); 887251538Srpaulo} 888251538Srpaulo 889251538Srpaulostatic struct mbuf * 890292207Savosurtwn_report_intr(struct usb_xfer *xfer, struct urtwn_data *data) 891251538Srpaulo{ 892251538Srpaulo struct urtwn_softc *sc = data->sc; 893287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 894251538Srpaulo struct r92c_rx_stat *stat; 895251538Srpaulo uint8_t *buf; 896292167Savos int len; 897251538Srpaulo 898251538Srpaulo usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 899251538Srpaulo 900251538Srpaulo if (len < sizeof(*stat)) { 901287197Sglebius counter_u64_add(ic->ic_ierrors, 1); 902251538Srpaulo return (NULL); 903251538Srpaulo } 904251538Srpaulo 905251538Srpaulo buf = data->buf; 906292167Savos stat = (struct r92c_rx_stat *)buf; 907292167Savos 908297596Sadrian /* 909297596Sadrian * For 88E chips we can tie the FF flushing here; 910297596Sadrian * this is where we do know exactly how deep the 911297596Sadrian * transmit queue is. 912297596Sadrian * 913297596Sadrian * But it won't work for R92 chips, so we can't 914297596Sadrian * take the easy way out. 915297596Sadrian */ 916297596Sadrian 917292167Savos if (sc->chip & URTWN_CHIP_88E) { 918292167Savos int report_sel = MS(le32toh(stat->rxdw3), R88E_RXDW3_RPT); 919292167Savos 920292167Savos switch (report_sel) { 921292167Savos case R88E_RXDW3_RPT_RX: 922292207Savos return (urtwn_rxeof(sc, buf, len)); 923292167Savos case R88E_RXDW3_RPT_TX1: 924292167Savos urtwn_r88e_ratectl_tx_complete(sc, &stat[1]); 925292167Savos break; 926292167Savos default: 927294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_INTR, 928294471Savos "%s: case %d was not handled\n", __func__, 929294471Savos report_sel); 930292167Savos break; 931292167Savos } 932292167Savos } else 933292207Savos return (urtwn_rxeof(sc, buf, len)); 934292167Savos 935292167Savos return (NULL); 936292167Savos} 937292167Savos 938292167Savosstatic struct mbuf * 939292207Savosurtwn_rxeof(struct urtwn_softc *sc, uint8_t *buf, int len) 940292167Savos{ 941292167Savos struct r92c_rx_stat *stat; 942292167Savos struct mbuf *m, *m0 = NULL, *prevm = NULL; 943292167Savos uint32_t rxdw0; 944292167Savos int totlen, pktlen, infosz, npkts; 945292167Savos 946251538Srpaulo /* Get the number of encapsulated frames. */ 947251538Srpaulo stat = (struct r92c_rx_stat *)buf; 948251538Srpaulo npkts = MS(le32toh(stat->rxdw2), R92C_RXDW2_PKTCNT); 949294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_RECV, 950294471Savos "%s: Rx %d frames in one chunk\n", __func__, npkts); 951251538Srpaulo 952251538Srpaulo /* Process all of them. */ 953251538Srpaulo while (npkts-- > 0) { 954251538Srpaulo if (len < sizeof(*stat)) 955251538Srpaulo break; 956251538Srpaulo stat = (struct r92c_rx_stat *)buf; 957251538Srpaulo rxdw0 = le32toh(stat->rxdw0); 958251538Srpaulo 959251538Srpaulo pktlen = MS(rxdw0, R92C_RXDW0_PKTLEN); 960251538Srpaulo if (pktlen == 0) 961251538Srpaulo break; 962251538Srpaulo 963251538Srpaulo infosz = MS(rxdw0, R92C_RXDW0_INFOSZ) * 8; 964251538Srpaulo 965251538Srpaulo /* Make sure everything fits in xfer. */ 966251538Srpaulo totlen = sizeof(*stat) + infosz + pktlen; 967251538Srpaulo if (totlen > len) 968251538Srpaulo break; 969251538Srpaulo 970292207Savos m = urtwn_rx_copy_to_mbuf(sc, stat, totlen); 971251538Srpaulo if (m0 == NULL) 972251538Srpaulo m0 = m; 973251538Srpaulo if (prevm == NULL) 974251538Srpaulo prevm = m; 975251538Srpaulo else { 976251538Srpaulo prevm->m_next = m; 977251538Srpaulo prevm = m; 978251538Srpaulo } 979251538Srpaulo 980251538Srpaulo /* Next chunk is 128-byte aligned. */ 981251538Srpaulo totlen = (totlen + 127) & ~127; 982251538Srpaulo buf += totlen; 983251538Srpaulo len -= totlen; 984251538Srpaulo } 985251538Srpaulo 986251538Srpaulo return (m0); 987251538Srpaulo} 988251538Srpaulo 989251538Srpaulostatic void 990292167Savosurtwn_r88e_ratectl_tx_complete(struct urtwn_softc *sc, void *arg) 991292167Savos{ 992292167Savos struct r88e_tx_rpt_ccx *rpt = arg; 993292167Savos struct ieee80211vap *vap; 994292167Savos struct ieee80211_node *ni; 995292167Savos uint8_t macid; 996292167Savos int ntries; 997292167Savos 998292167Savos macid = MS(rpt->rptb1, R88E_RPTB1_MACID); 999292167Savos ntries = MS(rpt->rptb2, R88E_RPTB2_RETRY_CNT); 1000292167Savos 1001292167Savos URTWN_NT_LOCK(sc); 1002292167Savos ni = sc->node_list[macid]; 1003292167Savos if (ni != NULL) { 1004292167Savos vap = ni->ni_vap; 1005294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_INTR, "%s: frame for macid %d was" 1006294471Savos "%s sent (%d retries)\n", __func__, macid, 1007294471Savos (rpt->rptb1 & R88E_RPTB1_PKT_OK) ? "" : " not", 1008294471Savos ntries); 1009292167Savos 1010292167Savos if (rpt->rptb1 & R88E_RPTB1_PKT_OK) { 1011292167Savos ieee80211_ratectl_tx_complete(vap, ni, 1012292167Savos IEEE80211_RATECTL_TX_SUCCESS, &ntries, NULL); 1013292167Savos } else { 1014292167Savos ieee80211_ratectl_tx_complete(vap, ni, 1015292167Savos IEEE80211_RATECTL_TX_FAILURE, &ntries, NULL); 1016292167Savos } 1017294471Savos } else { 1018294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_INTR, "%s: macid %d, ni is NULL\n", 1019294471Savos __func__, macid); 1020294471Savos } 1021292167Savos URTWN_NT_UNLOCK(sc); 1022292167Savos} 1023292167Savos 1024292207Savosstatic struct ieee80211_node * 1025292207Savosurtwn_rx_frame(struct urtwn_softc *sc, struct mbuf *m, int8_t *rssi_p) 1026292207Savos{ 1027292207Savos struct ieee80211com *ic = &sc->sc_ic; 1028292207Savos struct ieee80211_frame_min *wh; 1029292207Savos struct r92c_rx_stat *stat; 1030292207Savos uint32_t rxdw0, rxdw3; 1031292207Savos uint8_t rate, cipher; 1032297910Sadrian int8_t rssi = -127; 1033292207Savos int infosz; 1034292207Savos 1035292207Savos stat = mtod(m, struct r92c_rx_stat *); 1036292207Savos rxdw0 = le32toh(stat->rxdw0); 1037292207Savos rxdw3 = le32toh(stat->rxdw3); 1038292207Savos 1039292207Savos rate = MS(rxdw3, R92C_RXDW3_RATE); 1040292207Savos cipher = MS(rxdw0, R92C_RXDW0_CIPHER); 1041292207Savos infosz = MS(rxdw0, R92C_RXDW0_INFOSZ) * 8; 1042292207Savos 1043292207Savos /* Get RSSI from PHY status descriptor if present. */ 1044292207Savos if (infosz != 0 && (rxdw0 & R92C_RXDW0_PHYST)) { 1045292207Savos if (sc->chip & URTWN_CHIP_88E) 1046292207Savos rssi = urtwn_r88e_get_rssi(sc, rate, &stat[1]); 1047292207Savos else 1048292207Savos rssi = urtwn_get_rssi(sc, rate, &stat[1]); 1049297910Sadrian URTWN_DPRINTF(sc, URTWN_DEBUG_RSSI, "%s: rssi=%d\n", __func__, rssi); 1050292207Savos /* Update our average RSSI. */ 1051292207Savos urtwn_update_avgrssi(sc, rate, rssi); 1052292207Savos } 1053292207Savos 1054292207Savos if (ieee80211_radiotap_active(ic)) { 1055292207Savos struct urtwn_rx_radiotap_header *tap = &sc->sc_rxtap; 1056292207Savos 1057292207Savos tap->wr_flags = 0; 1058292207Savos 1059292207Savos urtwn_get_tsf(sc, &tap->wr_tsft); 1060292207Savos if (__predict_false(le32toh((uint32_t)tap->wr_tsft) < 1061292207Savos le32toh(stat->rxdw5))) { 1062292207Savos tap->wr_tsft = le32toh(tap->wr_tsft >> 32) - 1; 1063292207Savos tap->wr_tsft = (uint64_t)htole32(tap->wr_tsft) << 32; 1064292207Savos } else 1065292207Savos tap->wr_tsft &= 0xffffffff00000000; 1066292207Savos tap->wr_tsft += stat->rxdw5; 1067292207Savos 1068297175Sadrian /* XXX 20/40? */ 1069297175Sadrian /* XXX shortgi? */ 1070297175Sadrian 1071292207Savos /* Map HW rate index to 802.11 rate. */ 1072292207Savos if (!(rxdw3 & R92C_RXDW3_HT)) { 1073292207Savos tap->wr_rate = ridx2rate[rate]; 1074292207Savos } else if (rate >= 12) { /* MCS0~15. */ 1075292207Savos /* Bit 7 set means HT MCS instead of rate. */ 1076292207Savos tap->wr_rate = 0x80 | (rate - 12); 1077292207Savos } 1078297910Sadrian 1079297910Sadrian /* XXX TODO: this isn't right; should use the last good RSSI */ 1080292207Savos tap->wr_dbm_antsignal = rssi; 1081292207Savos tap->wr_dbm_antnoise = URTWN_NOISE_FLOOR; 1082292207Savos } 1083292207Savos 1084292207Savos *rssi_p = rssi; 1085292207Savos 1086292207Savos /* Drop descriptor. */ 1087292207Savos m_adj(m, sizeof(*stat) + infosz); 1088292207Savos wh = mtod(m, struct ieee80211_frame_min *); 1089292207Savos 1090292207Savos if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 1091292207Savos cipher != R92C_CAM_ALGO_NONE) { 1092292207Savos m->m_flags |= M_WEP; 1093292207Savos } 1094292207Savos 1095292207Savos if (m->m_len >= sizeof(*wh)) 1096292207Savos return (ieee80211_find_rxnode(ic, wh)); 1097292207Savos 1098292207Savos return (NULL); 1099292207Savos} 1100292207Savos 1101292167Savosstatic void 1102251538Srpaulourtwn_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error) 1103251538Srpaulo{ 1104251538Srpaulo struct urtwn_softc *sc = usbd_xfer_softc(xfer); 1105287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1106251538Srpaulo struct ieee80211_node *ni; 1107251538Srpaulo struct mbuf *m = NULL, *next; 1108251538Srpaulo struct urtwn_data *data; 1109292207Savos int8_t nf, rssi; 1110251538Srpaulo 1111251538Srpaulo URTWN_ASSERT_LOCKED(sc); 1112251538Srpaulo 1113251538Srpaulo switch (USB_GET_STATE(xfer)) { 1114251538Srpaulo case USB_ST_TRANSFERRED: 1115251538Srpaulo data = STAILQ_FIRST(&sc->sc_rx_active); 1116251538Srpaulo if (data == NULL) 1117251538Srpaulo goto tr_setup; 1118251538Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 1119292207Savos m = urtwn_report_intr(xfer, data); 1120251538Srpaulo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 1121251538Srpaulo /* FALLTHROUGH */ 1122251538Srpaulo case USB_ST_SETUP: 1123251538Srpaulotr_setup: 1124251538Srpaulo data = STAILQ_FIRST(&sc->sc_rx_inactive); 1125251538Srpaulo if (data == NULL) { 1126251538Srpaulo KASSERT(m == NULL, ("mbuf isn't NULL")); 1127297596Sadrian goto finish; 1128251538Srpaulo } 1129251538Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_rx_inactive, next); 1130251538Srpaulo STAILQ_INSERT_TAIL(&sc->sc_rx_active, data, next); 1131251538Srpaulo usbd_xfer_set_frame_data(xfer, 0, data->buf, 1132251538Srpaulo usbd_xfer_max_len(xfer)); 1133251538Srpaulo usbd_transfer_submit(xfer); 1134251538Srpaulo 1135251538Srpaulo /* 1136251538Srpaulo * To avoid LOR we should unlock our private mutex here to call 1137251538Srpaulo * ieee80211_input() because here is at the end of a USB 1138251538Srpaulo * callback and safe to unlock. 1139251538Srpaulo */ 1140251538Srpaulo while (m != NULL) { 1141251538Srpaulo next = m->m_next; 1142251538Srpaulo m->m_next = NULL; 1143292207Savos 1144292207Savos ni = urtwn_rx_frame(sc, m, &rssi); 1145297910Sadrian 1146297910Sadrian /* Store a global last-good RSSI */ 1147297910Sadrian if (rssi != -127) 1148297910Sadrian sc->last_rssi = rssi; 1149297910Sadrian 1150292207Savos URTWN_UNLOCK(sc); 1151292207Savos 1152251538Srpaulo nf = URTWN_NOISE_FLOOR; 1153251538Srpaulo if (ni != NULL) { 1154297910Sadrian if (rssi != -127) 1155297910Sadrian URTWN_NODE(ni)->last_rssi = rssi; 1156297175Sadrian if (ni->ni_flags & IEEE80211_NODE_HT) 1157297175Sadrian m->m_flags |= M_AMPDU; 1158297910Sadrian (void)ieee80211_input(ni, m, 1159297910Sadrian URTWN_NODE(ni)->last_rssi - nf, nf); 1160251538Srpaulo ieee80211_free_node(ni); 1161289799Savos } else { 1162297910Sadrian /* Use last good global RSSI */ 1163297910Sadrian (void)ieee80211_input_all(ic, m, 1164297910Sadrian sc->last_rssi - nf, nf); 1165289799Savos } 1166292207Savos URTWN_LOCK(sc); 1167251538Srpaulo m = next; 1168251538Srpaulo } 1169251538Srpaulo break; 1170251538Srpaulo default: 1171251538Srpaulo /* needs it to the inactive queue due to a error. */ 1172251538Srpaulo data = STAILQ_FIRST(&sc->sc_rx_active); 1173251538Srpaulo if (data != NULL) { 1174251538Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 1175251538Srpaulo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 1176251538Srpaulo } 1177251538Srpaulo if (error != USB_ERR_CANCELLED) { 1178251538Srpaulo usbd_xfer_set_stall(xfer); 1179287197Sglebius counter_u64_add(ic->ic_ierrors, 1); 1180251538Srpaulo goto tr_setup; 1181251538Srpaulo } 1182251538Srpaulo break; 1183251538Srpaulo } 1184297596Sadrianfinish: 1185297596Sadrian /* Finished receive; age anything left on the FF queue by a little bump */ 1186297596Sadrian /* 1187297596Sadrian * XXX TODO: just make this a callout timer schedule so we can 1188297596Sadrian * flush the FF staging queue if we're approaching idle. 1189297596Sadrian */ 1190297596Sadrian#ifdef IEEE80211_SUPPORT_SUPERG 1191297596Sadrian URTWN_UNLOCK(sc); 1192297596Sadrian ieee80211_ff_age_all(ic, 1); 1193297596Sadrian URTWN_LOCK(sc); 1194297596Sadrian#endif 1195297596Sadrian 1196297596Sadrian /* Kick-start more transmit in case we stalled */ 1197297596Sadrian urtwn_start(sc); 1198251538Srpaulo} 1199251538Srpaulo 1200251538Srpaulostatic void 1201289891Savosurtwn_txeof(struct urtwn_softc *sc, struct urtwn_data *data, int status) 1202251538Srpaulo{ 1203251538Srpaulo 1204251538Srpaulo URTWN_ASSERT_LOCKED(sc); 1205289891Savos 1206290631Savos if (data->ni != NULL) /* not a beacon frame */ 1207290631Savos ieee80211_tx_complete(data->ni, data->m, status); 1208289891Savos 1209297596Sadrian if (sc->sc_tx_n_active > 0) 1210297596Sadrian sc->sc_tx_n_active--; 1211297596Sadrian 1212287197Sglebius data->ni = NULL; 1213287197Sglebius data->m = NULL; 1214289891Savos 1215251538Srpaulo sc->sc_txtimer = 0; 1216289891Savos 1217289891Savos STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); 1218251538Srpaulo} 1219251538Srpaulo 1220289066Skevlostatic int 1221289066Skevlourtwn_alloc_list(struct urtwn_softc *sc, struct urtwn_data data[], 1222289066Skevlo int ndata, int maxsz) 1223289066Skevlo{ 1224289066Skevlo int i, error; 1225289066Skevlo 1226289066Skevlo for (i = 0; i < ndata; i++) { 1227289066Skevlo struct urtwn_data *dp = &data[i]; 1228289066Skevlo dp->sc = sc; 1229289066Skevlo dp->m = NULL; 1230289066Skevlo dp->buf = malloc(maxsz, M_USBDEV, M_NOWAIT); 1231289066Skevlo if (dp->buf == NULL) { 1232289066Skevlo device_printf(sc->sc_dev, 1233289066Skevlo "could not allocate buffer\n"); 1234289066Skevlo error = ENOMEM; 1235289066Skevlo goto fail; 1236289066Skevlo } 1237289066Skevlo dp->ni = NULL; 1238289066Skevlo } 1239289066Skevlo 1240289066Skevlo return (0); 1241289066Skevlofail: 1242289066Skevlo urtwn_free_list(sc, data, ndata); 1243289066Skevlo return (error); 1244289066Skevlo} 1245289066Skevlo 1246289066Skevlostatic int 1247289066Skevlourtwn_alloc_rx_list(struct urtwn_softc *sc) 1248289066Skevlo{ 1249289066Skevlo int error, i; 1250289066Skevlo 1251289066Skevlo error = urtwn_alloc_list(sc, sc->sc_rx, URTWN_RX_LIST_COUNT, 1252289066Skevlo URTWN_RXBUFSZ); 1253289066Skevlo if (error != 0) 1254289066Skevlo return (error); 1255289066Skevlo 1256289066Skevlo STAILQ_INIT(&sc->sc_rx_active); 1257289066Skevlo STAILQ_INIT(&sc->sc_rx_inactive); 1258289066Skevlo 1259289066Skevlo for (i = 0; i < URTWN_RX_LIST_COUNT; i++) 1260289066Skevlo STAILQ_INSERT_HEAD(&sc->sc_rx_inactive, &sc->sc_rx[i], next); 1261289066Skevlo 1262289066Skevlo return (0); 1263289066Skevlo} 1264289066Skevlo 1265289066Skevlostatic int 1266289066Skevlourtwn_alloc_tx_list(struct urtwn_softc *sc) 1267289066Skevlo{ 1268289066Skevlo int error, i; 1269289066Skevlo 1270289066Skevlo error = urtwn_alloc_list(sc, sc->sc_tx, URTWN_TX_LIST_COUNT, 1271289066Skevlo URTWN_TXBUFSZ); 1272289066Skevlo if (error != 0) 1273289066Skevlo return (error); 1274289066Skevlo 1275289066Skevlo STAILQ_INIT(&sc->sc_tx_active); 1276289066Skevlo STAILQ_INIT(&sc->sc_tx_inactive); 1277289066Skevlo STAILQ_INIT(&sc->sc_tx_pending); 1278289066Skevlo 1279289066Skevlo for (i = 0; i < URTWN_TX_LIST_COUNT; i++) 1280289066Skevlo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, &sc->sc_tx[i], next); 1281289066Skevlo 1282289066Skevlo return (0); 1283289066Skevlo} 1284289066Skevlo 1285251538Srpaulostatic void 1286289066Skevlourtwn_free_list(struct urtwn_softc *sc, struct urtwn_data data[], int ndata) 1287289066Skevlo{ 1288289066Skevlo int i; 1289289066Skevlo 1290289066Skevlo for (i = 0; i < ndata; i++) { 1291289066Skevlo struct urtwn_data *dp = &data[i]; 1292289066Skevlo 1293289066Skevlo if (dp->buf != NULL) { 1294289066Skevlo free(dp->buf, M_USBDEV); 1295289066Skevlo dp->buf = NULL; 1296289066Skevlo } 1297289066Skevlo if (dp->ni != NULL) { 1298289066Skevlo ieee80211_free_node(dp->ni); 1299289066Skevlo dp->ni = NULL; 1300289066Skevlo } 1301289066Skevlo } 1302289066Skevlo} 1303289066Skevlo 1304289066Skevlostatic void 1305289066Skevlourtwn_free_rx_list(struct urtwn_softc *sc) 1306289066Skevlo{ 1307289066Skevlo urtwn_free_list(sc, sc->sc_rx, URTWN_RX_LIST_COUNT); 1308289066Skevlo} 1309289066Skevlo 1310289066Skevlostatic void 1311289066Skevlourtwn_free_tx_list(struct urtwn_softc *sc) 1312289066Skevlo{ 1313289066Skevlo urtwn_free_list(sc, sc->sc_tx, URTWN_TX_LIST_COUNT); 1314289066Skevlo} 1315289066Skevlo 1316289066Skevlostatic void 1317251538Srpaulourtwn_bulk_tx_callback(struct usb_xfer *xfer, usb_error_t error) 1318251538Srpaulo{ 1319251538Srpaulo struct urtwn_softc *sc = usbd_xfer_softc(xfer); 1320297596Sadrian#ifdef IEEE80211_SUPPORT_SUPERG 1321297596Sadrian struct ieee80211com *ic = &sc->sc_ic; 1322297596Sadrian#endif 1323251538Srpaulo struct urtwn_data *data; 1324251538Srpaulo 1325251538Srpaulo URTWN_ASSERT_LOCKED(sc); 1326251538Srpaulo 1327251538Srpaulo switch (USB_GET_STATE(xfer)){ 1328251538Srpaulo case USB_ST_TRANSFERRED: 1329251538Srpaulo data = STAILQ_FIRST(&sc->sc_tx_active); 1330251538Srpaulo if (data == NULL) 1331251538Srpaulo goto tr_setup; 1332251538Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_tx_active, next); 1333289891Savos urtwn_txeof(sc, data, 0); 1334251538Srpaulo /* FALLTHROUGH */ 1335251538Srpaulo case USB_ST_SETUP: 1336251538Srpaulotr_setup: 1337251538Srpaulo data = STAILQ_FIRST(&sc->sc_tx_pending); 1338251538Srpaulo if (data == NULL) { 1339294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_XMIT, 1340294471Savos "%s: empty pending queue\n", __func__); 1341297596Sadrian sc->sc_tx_n_active = 0; 1342288353Sadrian goto finish; 1343251538Srpaulo } 1344251538Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_tx_pending, next); 1345251538Srpaulo STAILQ_INSERT_TAIL(&sc->sc_tx_active, data, next); 1346251538Srpaulo usbd_xfer_set_frame_data(xfer, 0, data->buf, data->buflen); 1347251538Srpaulo usbd_transfer_submit(xfer); 1348297596Sadrian sc->sc_tx_n_active++; 1349251538Srpaulo break; 1350251538Srpaulo default: 1351251538Srpaulo data = STAILQ_FIRST(&sc->sc_tx_active); 1352251538Srpaulo if (data == NULL) 1353251538Srpaulo goto tr_setup; 1354289891Savos STAILQ_REMOVE_HEAD(&sc->sc_tx_active, next); 1355289891Savos urtwn_txeof(sc, data, 1); 1356251538Srpaulo if (error != USB_ERR_CANCELLED) { 1357251538Srpaulo usbd_xfer_set_stall(xfer); 1358251538Srpaulo goto tr_setup; 1359251538Srpaulo } 1360251538Srpaulo break; 1361251538Srpaulo } 1362288353Sadrianfinish: 1363297596Sadrian#ifdef IEEE80211_SUPPORT_SUPERG 1364297596Sadrian /* 1365297596Sadrian * If the TX active queue drops below a certain 1366297596Sadrian * threshold, ensure we age fast-frames out so they're 1367297596Sadrian * transmitted. 1368297596Sadrian */ 1369297596Sadrian if (sc->sc_tx_n_active <= 1) { 1370297596Sadrian /* XXX ew - net80211 should defer this for us! */ 1371297596Sadrian 1372297596Sadrian /* 1373297596Sadrian * Note: this sc_tx_n_active currently tracks 1374297596Sadrian * the number of pending transmit submissions 1375297596Sadrian * and not the actual depth of the TX frames 1376297596Sadrian * pending to the hardware. That means that 1377297596Sadrian * we're going to end up with some sub-optimal 1378297596Sadrian * aggregation behaviour. 1379297596Sadrian */ 1380297596Sadrian /* 1381297596Sadrian * XXX TODO: just make this a callout timer schedule so we can 1382297596Sadrian * flush the FF staging queue if we're approaching idle. 1383297596Sadrian */ 1384297596Sadrian URTWN_UNLOCK(sc); 1385297596Sadrian ieee80211_ff_flush(ic, WME_AC_VO); 1386297596Sadrian ieee80211_ff_flush(ic, WME_AC_VI); 1387297596Sadrian ieee80211_ff_flush(ic, WME_AC_BE); 1388297596Sadrian ieee80211_ff_flush(ic, WME_AC_BK); 1389297596Sadrian URTWN_LOCK(sc); 1390297596Sadrian } 1391297596Sadrian#endif 1392288353Sadrian /* Kick-start more transmit */ 1393288353Sadrian urtwn_start(sc); 1394251538Srpaulo} 1395251538Srpaulo 1396251538Srpaulostatic struct urtwn_data * 1397251538Srpaulo_urtwn_getbuf(struct urtwn_softc *sc) 1398251538Srpaulo{ 1399251538Srpaulo struct urtwn_data *bf; 1400251538Srpaulo 1401251538Srpaulo bf = STAILQ_FIRST(&sc->sc_tx_inactive); 1402251538Srpaulo if (bf != NULL) 1403251538Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_tx_inactive, next); 1404294471Savos else { 1405294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_XMIT, 1406294471Savos "%s: out of xmit buffers\n", __func__); 1407294471Savos } 1408251538Srpaulo return (bf); 1409251538Srpaulo} 1410251538Srpaulo 1411251538Srpaulostatic struct urtwn_data * 1412251538Srpaulourtwn_getbuf(struct urtwn_softc *sc) 1413251538Srpaulo{ 1414251538Srpaulo struct urtwn_data *bf; 1415251538Srpaulo 1416251538Srpaulo URTWN_ASSERT_LOCKED(sc); 1417251538Srpaulo 1418251538Srpaulo bf = _urtwn_getbuf(sc); 1419294471Savos if (bf == NULL) { 1420294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_XMIT, "%s: stop queue\n", 1421294471Savos __func__); 1422294471Savos } 1423251538Srpaulo return (bf); 1424251538Srpaulo} 1425251538Srpaulo 1426291698Savosstatic usb_error_t 1427251538Srpaulourtwn_write_region_1(struct urtwn_softc *sc, uint16_t addr, uint8_t *buf, 1428251538Srpaulo int len) 1429251538Srpaulo{ 1430251538Srpaulo usb_device_request_t req; 1431251538Srpaulo 1432251538Srpaulo req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1433251538Srpaulo req.bRequest = R92C_REQ_REGS; 1434251538Srpaulo USETW(req.wValue, addr); 1435251538Srpaulo USETW(req.wIndex, 0); 1436251538Srpaulo USETW(req.wLength, len); 1437251538Srpaulo return (urtwn_do_request(sc, &req, buf)); 1438251538Srpaulo} 1439251538Srpaulo 1440291698Savosstatic usb_error_t 1441251538Srpaulourtwn_write_1(struct urtwn_softc *sc, uint16_t addr, uint8_t val) 1442251538Srpaulo{ 1443291698Savos return (urtwn_write_region_1(sc, addr, &val, sizeof(val))); 1444251538Srpaulo} 1445251538Srpaulo 1446291698Savosstatic usb_error_t 1447251538Srpaulourtwn_write_2(struct urtwn_softc *sc, uint16_t addr, uint16_t val) 1448251538Srpaulo{ 1449251538Srpaulo val = htole16(val); 1450291698Savos return (urtwn_write_region_1(sc, addr, (uint8_t *)&val, sizeof(val))); 1451251538Srpaulo} 1452251538Srpaulo 1453291698Savosstatic usb_error_t 1454251538Srpaulourtwn_write_4(struct urtwn_softc *sc, uint16_t addr, uint32_t val) 1455251538Srpaulo{ 1456251538Srpaulo val = htole32(val); 1457291698Savos return (urtwn_write_region_1(sc, addr, (uint8_t *)&val, sizeof(val))); 1458251538Srpaulo} 1459251538Srpaulo 1460291698Savosstatic usb_error_t 1461251538Srpaulourtwn_read_region_1(struct urtwn_softc *sc, uint16_t addr, uint8_t *buf, 1462251538Srpaulo int len) 1463251538Srpaulo{ 1464251538Srpaulo usb_device_request_t req; 1465251538Srpaulo 1466251538Srpaulo req.bmRequestType = UT_READ_VENDOR_DEVICE; 1467251538Srpaulo req.bRequest = R92C_REQ_REGS; 1468251538Srpaulo USETW(req.wValue, addr); 1469251538Srpaulo USETW(req.wIndex, 0); 1470251538Srpaulo USETW(req.wLength, len); 1471251538Srpaulo return (urtwn_do_request(sc, &req, buf)); 1472251538Srpaulo} 1473251538Srpaulo 1474251538Srpaulostatic uint8_t 1475251538Srpaulourtwn_read_1(struct urtwn_softc *sc, uint16_t addr) 1476251538Srpaulo{ 1477251538Srpaulo uint8_t val; 1478251538Srpaulo 1479251538Srpaulo if (urtwn_read_region_1(sc, addr, &val, 1) != 0) 1480251538Srpaulo return (0xff); 1481251538Srpaulo return (val); 1482251538Srpaulo} 1483251538Srpaulo 1484251538Srpaulostatic uint16_t 1485251538Srpaulourtwn_read_2(struct urtwn_softc *sc, uint16_t addr) 1486251538Srpaulo{ 1487251538Srpaulo uint16_t val; 1488251538Srpaulo 1489251538Srpaulo if (urtwn_read_region_1(sc, addr, (uint8_t *)&val, 2) != 0) 1490251538Srpaulo return (0xffff); 1491251538Srpaulo return (le16toh(val)); 1492251538Srpaulo} 1493251538Srpaulo 1494251538Srpaulostatic uint32_t 1495251538Srpaulourtwn_read_4(struct urtwn_softc *sc, uint16_t addr) 1496251538Srpaulo{ 1497251538Srpaulo uint32_t val; 1498251538Srpaulo 1499251538Srpaulo if (urtwn_read_region_1(sc, addr, (uint8_t *)&val, 4) != 0) 1500251538Srpaulo return (0xffffffff); 1501251538Srpaulo return (le32toh(val)); 1502251538Srpaulo} 1503251538Srpaulo 1504251538Srpaulostatic int 1505251538Srpaulourtwn_fw_cmd(struct urtwn_softc *sc, uint8_t id, const void *buf, int len) 1506251538Srpaulo{ 1507251538Srpaulo struct r92c_fw_cmd cmd; 1508291698Savos usb_error_t error; 1509251538Srpaulo int ntries; 1510251538Srpaulo 1511295871Savos if (!(sc->sc_flags & URTWN_FW_LOADED)) { 1512295871Savos URTWN_DPRINTF(sc, URTWN_DEBUG_FIRMWARE, "%s: firmware " 1513295871Savos "was not loaded; command (id %d) will be discarded\n", 1514295871Savos __func__, id); 1515295871Savos return (0); 1516295871Savos } 1517295871Savos 1518251538Srpaulo /* Wait for current FW box to be empty. */ 1519251538Srpaulo for (ntries = 0; ntries < 100; ntries++) { 1520251538Srpaulo if (!(urtwn_read_1(sc, R92C_HMETFR) & (1 << sc->fwcur))) 1521251538Srpaulo break; 1522266472Shselasky urtwn_ms_delay(sc); 1523251538Srpaulo } 1524251538Srpaulo if (ntries == 100) { 1525251538Srpaulo device_printf(sc->sc_dev, 1526251538Srpaulo "could not send firmware command\n"); 1527251538Srpaulo return (ETIMEDOUT); 1528251538Srpaulo } 1529251538Srpaulo memset(&cmd, 0, sizeof(cmd)); 1530251538Srpaulo cmd.id = id; 1531251538Srpaulo if (len > 3) 1532251538Srpaulo cmd.id |= R92C_CMD_FLAG_EXT; 1533251538Srpaulo KASSERT(len <= sizeof(cmd.msg), ("urtwn_fw_cmd\n")); 1534251538Srpaulo memcpy(cmd.msg, buf, len); 1535251538Srpaulo 1536251538Srpaulo /* Write the first word last since that will trigger the FW. */ 1537291698Savos error = urtwn_write_region_1(sc, R92C_HMEBOX_EXT(sc->fwcur), 1538251538Srpaulo (uint8_t *)&cmd + 4, 2); 1539291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 1540291698Savos return (EIO); 1541291698Savos error = urtwn_write_region_1(sc, R92C_HMEBOX(sc->fwcur), 1542251538Srpaulo (uint8_t *)&cmd + 0, 4); 1543291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 1544291698Savos return (EIO); 1545251538Srpaulo 1546251538Srpaulo sc->fwcur = (sc->fwcur + 1) % R92C_H2C_NBOX; 1547251538Srpaulo return (0); 1548251538Srpaulo} 1549251538Srpaulo 1550292174Savosstatic void 1551292174Savosurtwn_cmdq_cb(void *arg, int pending) 1552292174Savos{ 1553292174Savos struct urtwn_softc *sc = arg; 1554292174Savos struct urtwn_cmdq *item; 1555292174Savos 1556292174Savos /* 1557292174Savos * Device must be powered on (via urtwn_power_on()) 1558292174Savos * before any command may be sent. 1559292174Savos */ 1560292174Savos URTWN_LOCK(sc); 1561292174Savos if (!(sc->sc_flags & URTWN_RUNNING)) { 1562292174Savos URTWN_UNLOCK(sc); 1563292174Savos return; 1564292174Savos } 1565292174Savos 1566292174Savos URTWN_CMDQ_LOCK(sc); 1567292174Savos while (sc->cmdq[sc->cmdq_first].func != NULL) { 1568292174Savos item = &sc->cmdq[sc->cmdq_first]; 1569292174Savos sc->cmdq_first = (sc->cmdq_first + 1) % URTWN_CMDQ_SIZE; 1570292174Savos URTWN_CMDQ_UNLOCK(sc); 1571292174Savos 1572292174Savos item->func(sc, &item->data); 1573292174Savos 1574292174Savos URTWN_CMDQ_LOCK(sc); 1575292174Savos memset(item, 0, sizeof (*item)); 1576292174Savos } 1577292174Savos URTWN_CMDQ_UNLOCK(sc); 1578292174Savos URTWN_UNLOCK(sc); 1579292174Savos} 1580292174Savos 1581292174Savosstatic int 1582292174Savosurtwn_cmd_sleepable(struct urtwn_softc *sc, const void *ptr, size_t len, 1583292174Savos CMD_FUNC_PROTO) 1584292174Savos{ 1585292174Savos struct ieee80211com *ic = &sc->sc_ic; 1586292174Savos 1587292174Savos KASSERT(len <= sizeof(union sec_param), ("buffer overflow")); 1588292174Savos 1589292174Savos URTWN_CMDQ_LOCK(sc); 1590292174Savos if (sc->cmdq[sc->cmdq_last].func != NULL) { 1591292174Savos device_printf(sc->sc_dev, "%s: cmdq overflow\n", __func__); 1592292174Savos URTWN_CMDQ_UNLOCK(sc); 1593292174Savos 1594292174Savos return (EAGAIN); 1595292174Savos } 1596292174Savos 1597292174Savos if (ptr != NULL) 1598292174Savos memcpy(&sc->cmdq[sc->cmdq_last].data, ptr, len); 1599292174Savos sc->cmdq[sc->cmdq_last].func = func; 1600292174Savos sc->cmdq_last = (sc->cmdq_last + 1) % URTWN_CMDQ_SIZE; 1601292174Savos URTWN_CMDQ_UNLOCK(sc); 1602292174Savos 1603292174Savos ieee80211_runtask(ic, &sc->cmdq_task); 1604292174Savos 1605292174Savos return (0); 1606292174Savos} 1607292174Savos 1608264912Skevlostatic __inline void 1609251538Srpaulourtwn_rf_write(struct urtwn_softc *sc, int chain, uint8_t addr, uint32_t val) 1610251538Srpaulo{ 1611264912Skevlo 1612264912Skevlo sc->sc_rf_write(sc, chain, addr, val); 1613264912Skevlo} 1614264912Skevlo 1615264912Skevlostatic void 1616264912Skevlourtwn_r92c_rf_write(struct urtwn_softc *sc, int chain, uint8_t addr, 1617264912Skevlo uint32_t val) 1618264912Skevlo{ 1619251538Srpaulo urtwn_bb_write(sc, R92C_LSSI_PARAM(chain), 1620251538Srpaulo SM(R92C_LSSI_PARAM_ADDR, addr) | 1621251538Srpaulo SM(R92C_LSSI_PARAM_DATA, val)); 1622251538Srpaulo} 1623251538Srpaulo 1624264912Skevlostatic void 1625264912Skevlourtwn_r88e_rf_write(struct urtwn_softc *sc, int chain, uint8_t addr, 1626264912Skevlouint32_t val) 1627264912Skevlo{ 1628264912Skevlo urtwn_bb_write(sc, R92C_LSSI_PARAM(chain), 1629264912Skevlo SM(R88E_LSSI_PARAM_ADDR, addr) | 1630264912Skevlo SM(R92C_LSSI_PARAM_DATA, val)); 1631264912Skevlo} 1632264912Skevlo 1633251538Srpaulostatic uint32_t 1634251538Srpaulourtwn_rf_read(struct urtwn_softc *sc, int chain, uint8_t addr) 1635251538Srpaulo{ 1636251538Srpaulo uint32_t reg[R92C_MAX_CHAINS], val; 1637251538Srpaulo 1638251538Srpaulo reg[0] = urtwn_bb_read(sc, R92C_HSSI_PARAM2(0)); 1639251538Srpaulo if (chain != 0) 1640251538Srpaulo reg[chain] = urtwn_bb_read(sc, R92C_HSSI_PARAM2(chain)); 1641251538Srpaulo 1642251538Srpaulo urtwn_bb_write(sc, R92C_HSSI_PARAM2(0), 1643251538Srpaulo reg[0] & ~R92C_HSSI_PARAM2_READ_EDGE); 1644266472Shselasky urtwn_ms_delay(sc); 1645251538Srpaulo 1646251538Srpaulo urtwn_bb_write(sc, R92C_HSSI_PARAM2(chain), 1647251538Srpaulo RW(reg[chain], R92C_HSSI_PARAM2_READ_ADDR, addr) | 1648251538Srpaulo R92C_HSSI_PARAM2_READ_EDGE); 1649266472Shselasky urtwn_ms_delay(sc); 1650251538Srpaulo 1651251538Srpaulo urtwn_bb_write(sc, R92C_HSSI_PARAM2(0), 1652251538Srpaulo reg[0] | R92C_HSSI_PARAM2_READ_EDGE); 1653266472Shselasky urtwn_ms_delay(sc); 1654251538Srpaulo 1655251538Srpaulo if (urtwn_bb_read(sc, R92C_HSSI_PARAM1(chain)) & R92C_HSSI_PARAM1_PI) 1656251538Srpaulo val = urtwn_bb_read(sc, R92C_HSPI_READBACK(chain)); 1657251538Srpaulo else 1658251538Srpaulo val = urtwn_bb_read(sc, R92C_LSSI_READBACK(chain)); 1659251538Srpaulo return (MS(val, R92C_LSSI_READBACK_DATA)); 1660251538Srpaulo} 1661251538Srpaulo 1662251538Srpaulostatic int 1663251538Srpaulourtwn_llt_write(struct urtwn_softc *sc, uint32_t addr, uint32_t data) 1664251538Srpaulo{ 1665291698Savos usb_error_t error; 1666251538Srpaulo int ntries; 1667251538Srpaulo 1668291698Savos error = urtwn_write_4(sc, R92C_LLT_INIT, 1669251538Srpaulo SM(R92C_LLT_INIT_OP, R92C_LLT_INIT_OP_WRITE) | 1670251538Srpaulo SM(R92C_LLT_INIT_ADDR, addr) | 1671251538Srpaulo SM(R92C_LLT_INIT_DATA, data)); 1672291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 1673291698Savos return (EIO); 1674251538Srpaulo /* Wait for write operation to complete. */ 1675251538Srpaulo for (ntries = 0; ntries < 20; ntries++) { 1676251538Srpaulo if (MS(urtwn_read_4(sc, R92C_LLT_INIT), R92C_LLT_INIT_OP) == 1677251538Srpaulo R92C_LLT_INIT_OP_NO_ACTIVE) 1678251538Srpaulo return (0); 1679266472Shselasky urtwn_ms_delay(sc); 1680251538Srpaulo } 1681251538Srpaulo return (ETIMEDOUT); 1682251538Srpaulo} 1683251538Srpaulo 1684291264Savosstatic int 1685291264Savosurtwn_efuse_read_next(struct urtwn_softc *sc, uint8_t *val) 1686251538Srpaulo{ 1687251538Srpaulo uint32_t reg; 1688291698Savos usb_error_t error; 1689251538Srpaulo int ntries; 1690251538Srpaulo 1691291264Savos if (sc->last_rom_addr >= URTWN_EFUSE_MAX_LEN) 1692291264Savos return (EFAULT); 1693291264Savos 1694251538Srpaulo reg = urtwn_read_4(sc, R92C_EFUSE_CTRL); 1695291264Savos reg = RW(reg, R92C_EFUSE_CTRL_ADDR, sc->last_rom_addr); 1696251538Srpaulo reg &= ~R92C_EFUSE_CTRL_VALID; 1697291264Savos 1698291698Savos error = urtwn_write_4(sc, R92C_EFUSE_CTRL, reg); 1699291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 1700291698Savos return (EIO); 1701251538Srpaulo /* Wait for read operation to complete. */ 1702251538Srpaulo for (ntries = 0; ntries < 100; ntries++) { 1703251538Srpaulo reg = urtwn_read_4(sc, R92C_EFUSE_CTRL); 1704251538Srpaulo if (reg & R92C_EFUSE_CTRL_VALID) 1705291264Savos break; 1706266472Shselasky urtwn_ms_delay(sc); 1707251538Srpaulo } 1708291264Savos if (ntries == 100) { 1709291264Savos device_printf(sc->sc_dev, 1710291264Savos "could not read efuse byte at address 0x%x\n", 1711291264Savos sc->last_rom_addr); 1712291264Savos return (ETIMEDOUT); 1713291264Savos } 1714291264Savos 1715291264Savos *val = MS(reg, R92C_EFUSE_CTRL_DATA); 1716291264Savos sc->last_rom_addr++; 1717291264Savos 1718291264Savos return (0); 1719251538Srpaulo} 1720251538Srpaulo 1721291264Savosstatic int 1722291264Savosurtwn_efuse_read_data(struct urtwn_softc *sc, uint8_t *rom, uint8_t off, 1723291264Savos uint8_t msk) 1724291264Savos{ 1725291264Savos uint8_t reg; 1726291264Savos int i, error; 1727291264Savos 1728291264Savos for (i = 0; i < 4; i++) { 1729291264Savos if (msk & (1 << i)) 1730291264Savos continue; 1731291264Savos error = urtwn_efuse_read_next(sc, ®); 1732291264Savos if (error != 0) 1733291264Savos return (error); 1734294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_ROM, "rom[0x%03X] == 0x%02X\n", 1735294471Savos off * 8 + i * 2, reg); 1736291264Savos rom[off * 8 + i * 2 + 0] = reg; 1737291264Savos 1738291264Savos error = urtwn_efuse_read_next(sc, ®); 1739291264Savos if (error != 0) 1740291264Savos return (error); 1741294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_ROM, "rom[0x%03X] == 0x%02X\n", 1742294471Savos off * 8 + i * 2 + 1, reg); 1743291264Savos rom[off * 8 + i * 2 + 1] = reg; 1744291264Savos } 1745291264Savos 1746291264Savos return (0); 1747291264Savos} 1748291264Savos 1749294471Savos#ifdef USB_DEBUG 1750251538Srpaulostatic void 1751291264Savosurtwn_dump_rom_contents(struct urtwn_softc *sc, uint8_t *rom, uint16_t size) 1752251538Srpaulo{ 1753251538Srpaulo int i; 1754251538Srpaulo 1755291264Savos /* Dump ROM contents. */ 1756291264Savos device_printf(sc->sc_dev, "%s:", __func__); 1757291264Savos for (i = 0; i < size; i++) { 1758291264Savos if (i % 32 == 0) 1759291264Savos printf("\n%03X: ", i); 1760291264Savos else if (i % 4 == 0) 1761291264Savos printf(" "); 1762291264Savos 1763291264Savos printf("%02X", rom[i]); 1764291264Savos } 1765291264Savos printf("\n"); 1766291264Savos} 1767291264Savos#endif 1768291264Savos 1769291264Savosstatic int 1770291264Savosurtwn_efuse_read(struct urtwn_softc *sc, uint8_t *rom, uint16_t size) 1771291264Savos{ 1772291264Savos#define URTWN_CHK(res) do { \ 1773291264Savos if ((error = res) != 0) \ 1774291264Savos goto end; \ 1775291264Savos} while(0) 1776291264Savos uint8_t msk, off, reg; 1777291264Savos int error; 1778291264Savos 1779291698Savos URTWN_CHK(urtwn_efuse_switch_power(sc)); 1780264912Skevlo 1781291264Savos /* Read full ROM image. */ 1782291264Savos sc->last_rom_addr = 0; 1783291264Savos memset(rom, 0xff, size); 1784291264Savos 1785291264Savos URTWN_CHK(urtwn_efuse_read_next(sc, ®)); 1786291264Savos while (reg != 0xff) { 1787291264Savos /* check for extended header */ 1788291264Savos if ((sc->chip & URTWN_CHIP_88E) && (reg & 0x1f) == 0x0f) { 1789291264Savos off = reg >> 5; 1790291264Savos URTWN_CHK(urtwn_efuse_read_next(sc, ®)); 1791291264Savos 1792291264Savos if ((reg & 0x0f) != 0x0f) 1793291264Savos off = ((reg & 0xf0) >> 1) | off; 1794291264Savos else 1795291264Savos continue; 1796291264Savos } else 1797291264Savos off = reg >> 4; 1798251538Srpaulo msk = reg & 0xf; 1799291264Savos 1800291264Savos URTWN_CHK(urtwn_efuse_read_data(sc, rom, off, msk)); 1801291264Savos URTWN_CHK(urtwn_efuse_read_next(sc, ®)); 1802251538Srpaulo } 1803291264Savos 1804291264Savosend: 1805291264Savos 1806294471Savos#ifdef USB_DEBUG 1807294471Savos if (sc->sc_debug & URTWN_DEBUG_ROM) 1808291264Savos urtwn_dump_rom_contents(sc, rom, size); 1809251538Srpaulo#endif 1810291264Savos 1811282623Skevlo urtwn_write_1(sc, R92C_EFUSE_ACCESS, R92C_EFUSE_ACCESS_OFF); 1812291264Savos 1813291264Savos if (error != 0) { 1814291264Savos device_printf(sc->sc_dev, "%s: error while reading ROM\n", 1815291264Savos __func__); 1816291264Savos } 1817291264Savos 1818291264Savos return (error); 1819291264Savos#undef URTWN_CHK 1820282623Skevlo} 1821281592Skevlo 1822291698Savosstatic int 1823264912Skevlourtwn_efuse_switch_power(struct urtwn_softc *sc) 1824264912Skevlo{ 1825291698Savos usb_error_t error; 1826264912Skevlo uint32_t reg; 1827251538Srpaulo 1828291698Savos error = urtwn_write_1(sc, R92C_EFUSE_ACCESS, R92C_EFUSE_ACCESS_ON); 1829291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 1830291698Savos return (EIO); 1831281918Skevlo 1832264912Skevlo reg = urtwn_read_2(sc, R92C_SYS_ISO_CTRL); 1833264912Skevlo if (!(reg & R92C_SYS_ISO_CTRL_PWC_EV12V)) { 1834291698Savos error = urtwn_write_2(sc, R92C_SYS_ISO_CTRL, 1835264912Skevlo reg | R92C_SYS_ISO_CTRL_PWC_EV12V); 1836291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 1837291698Savos return (EIO); 1838264912Skevlo } 1839264912Skevlo reg = urtwn_read_2(sc, R92C_SYS_FUNC_EN); 1840264912Skevlo if (!(reg & R92C_SYS_FUNC_EN_ELDR)) { 1841291698Savos error = urtwn_write_2(sc, R92C_SYS_FUNC_EN, 1842264912Skevlo reg | R92C_SYS_FUNC_EN_ELDR); 1843291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 1844291698Savos return (EIO); 1845264912Skevlo } 1846264912Skevlo reg = urtwn_read_2(sc, R92C_SYS_CLKR); 1847264912Skevlo if ((reg & (R92C_SYS_CLKR_LOADER_EN | R92C_SYS_CLKR_ANA8M)) != 1848264912Skevlo (R92C_SYS_CLKR_LOADER_EN | R92C_SYS_CLKR_ANA8M)) { 1849291698Savos error = urtwn_write_2(sc, R92C_SYS_CLKR, 1850264912Skevlo reg | R92C_SYS_CLKR_LOADER_EN | R92C_SYS_CLKR_ANA8M); 1851291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 1852291698Savos return (EIO); 1853264912Skevlo } 1854291698Savos 1855291698Savos return (0); 1856264912Skevlo} 1857264912Skevlo 1858251538Srpaulostatic int 1859251538Srpaulourtwn_read_chipid(struct urtwn_softc *sc) 1860251538Srpaulo{ 1861251538Srpaulo uint32_t reg; 1862251538Srpaulo 1863264912Skevlo if (sc->chip & URTWN_CHIP_88E) 1864264912Skevlo return (0); 1865264912Skevlo 1866251538Srpaulo reg = urtwn_read_4(sc, R92C_SYS_CFG); 1867251538Srpaulo if (reg & R92C_SYS_CFG_TRP_VAUX_EN) 1868251538Srpaulo return (EIO); 1869251538Srpaulo 1870251538Srpaulo if (reg & R92C_SYS_CFG_TYPE_92C) { 1871251538Srpaulo sc->chip |= URTWN_CHIP_92C; 1872251538Srpaulo /* Check if it is a castrated 8192C. */ 1873251538Srpaulo if (MS(urtwn_read_4(sc, R92C_HPON_FSM), 1874251538Srpaulo R92C_HPON_FSM_CHIP_BONDING_ID) == 1875251538Srpaulo R92C_HPON_FSM_CHIP_BONDING_ID_92C_1T2R) 1876251538Srpaulo sc->chip |= URTWN_CHIP_92C_1T2R; 1877251538Srpaulo } 1878251538Srpaulo if (reg & R92C_SYS_CFG_VENDOR_UMC) { 1879251538Srpaulo sc->chip |= URTWN_CHIP_UMC; 1880251538Srpaulo if (MS(reg, R92C_SYS_CFG_CHIP_VER_RTL) == 0) 1881251538Srpaulo sc->chip |= URTWN_CHIP_UMC_A_CUT; 1882251538Srpaulo } 1883251538Srpaulo return (0); 1884251538Srpaulo} 1885251538Srpaulo 1886291264Savosstatic int 1887251538Srpaulourtwn_read_rom(struct urtwn_softc *sc) 1888251538Srpaulo{ 1889291264Savos struct r92c_rom *rom = &sc->rom.r92c_rom; 1890291264Savos int error; 1891251538Srpaulo 1892251538Srpaulo /* Read full ROM image. */ 1893291264Savos error = urtwn_efuse_read(sc, (uint8_t *)rom, sizeof(*rom)); 1894291264Savos if (error != 0) 1895291264Savos return (error); 1896251538Srpaulo 1897251538Srpaulo /* XXX Weird but this is what the vendor driver does. */ 1898291264Savos sc->last_rom_addr = 0x1fa; 1899291264Savos error = urtwn_efuse_read_next(sc, &sc->pa_setting); 1900291264Savos if (error != 0) 1901291264Savos return (error); 1902294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_ROM, "%s: PA setting=0x%x\n", __func__, 1903294471Savos sc->pa_setting); 1904251538Srpaulo 1905251538Srpaulo sc->board_type = MS(rom->rf_opt1, R92C_ROM_RF1_BOARD_TYPE); 1906251538Srpaulo 1907251538Srpaulo sc->regulatory = MS(rom->rf_opt1, R92C_ROM_RF1_REGULATORY); 1908294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_ROM, "%s: regulatory type=%d\n", 1909294471Savos __func__, sc->regulatory); 1910287197Sglebius IEEE80211_ADDR_COPY(sc->sc_ic.ic_macaddr, rom->macaddr); 1911251538Srpaulo 1912264912Skevlo sc->sc_rf_write = urtwn_r92c_rf_write; 1913264912Skevlo sc->sc_power_on = urtwn_r92c_power_on; 1914295874Savos sc->sc_power_off = urtwn_r92c_power_off; 1915291264Savos 1916291264Savos return (0); 1917251538Srpaulo} 1918251538Srpaulo 1919291264Savosstatic int 1920264912Skevlourtwn_r88e_read_rom(struct urtwn_softc *sc) 1921264912Skevlo{ 1922294198Savos struct r88e_rom *rom = &sc->rom.r88e_rom; 1923294198Savos int error; 1924264912Skevlo 1925294198Savos error = urtwn_efuse_read(sc, (uint8_t *)rom, sizeof(sc->rom.r88e_rom)); 1926291264Savos if (error != 0) 1927291264Savos return (error); 1928264912Skevlo 1929294198Savos sc->bw20_tx_pwr_diff = (rom->tx_pwr_diff >> 4); 1930264912Skevlo if (sc->bw20_tx_pwr_diff & 0x08) 1931264912Skevlo sc->bw20_tx_pwr_diff |= 0xf0; 1932294198Savos sc->ofdm_tx_pwr_diff = (rom->tx_pwr_diff & 0xf); 1933264912Skevlo if (sc->ofdm_tx_pwr_diff & 0x08) 1934264912Skevlo sc->ofdm_tx_pwr_diff |= 0xf0; 1935294198Savos sc->regulatory = MS(rom->rf_board_opt, R92C_ROM_RF1_REGULATORY); 1936294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_ROM, "%s: regulatory type %d\n", 1937294471Savos __func__,sc->regulatory); 1938294198Savos IEEE80211_ADDR_COPY(sc->sc_ic.ic_macaddr, rom->macaddr); 1939264912Skevlo 1940264912Skevlo sc->sc_rf_write = urtwn_r88e_rf_write; 1941264912Skevlo sc->sc_power_on = urtwn_r88e_power_on; 1942295874Savos sc->sc_power_off = urtwn_r88e_power_off; 1943291264Savos 1944291264Savos return (0); 1945264912Skevlo} 1946264912Skevlo 1947298436Savosstatic __inline uint8_t 1948298436Savosrate2ridx(uint8_t rate) 1949298436Savos{ 1950298436Savos if (rate & IEEE80211_RATE_MCS) { 1951298436Savos /* 11n rates start at idx 12 */ 1952298436Savos return ((rate & 0xf) + 12); 1953298436Savos } 1954298436Savos switch (rate) { 1955298436Savos /* 11g */ 1956298436Savos case 12: return 4; 1957298436Savos case 18: return 5; 1958298436Savos case 24: return 6; 1959298436Savos case 36: return 7; 1960298436Savos case 48: return 8; 1961298436Savos case 72: return 9; 1962298436Savos case 96: return 10; 1963298436Savos case 108: return 11; 1964298436Savos /* 11b */ 1965298436Savos case 2: return 0; 1966298436Savos case 4: return 1; 1967298436Savos case 11: return 2; 1968298436Savos case 22: return 3; 1969298436Savos default: return URTWN_RIDX_UNKNOWN; 1970298436Savos } 1971298436Savos} 1972298436Savos 1973251538Srpaulo/* 1974251538Srpaulo * Initialize rate adaptation in firmware. 1975251538Srpaulo */ 1976251538Srpaulostatic int 1977251538Srpaulourtwn_ra_init(struct urtwn_softc *sc) 1978251538Srpaulo{ 1979287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1980251538Srpaulo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1981251538Srpaulo struct ieee80211_node *ni; 1982297175Sadrian struct ieee80211_rateset *rs, *rs_ht; 1983251538Srpaulo struct r92c_fw_cmd_macid_cfg cmd; 1984251538Srpaulo uint32_t rates, basicrates; 1985298436Savos uint8_t mode, ridx; 1986298436Savos int maxrate, maxbasicrate, error, i; 1987251538Srpaulo 1988251538Srpaulo ni = ieee80211_ref_node(vap->iv_bss); 1989251538Srpaulo rs = &ni->ni_rates; 1990297175Sadrian rs_ht = (struct ieee80211_rateset *) &ni->ni_htrates; 1991251538Srpaulo 1992251538Srpaulo /* Get normal and basic rates mask. */ 1993251538Srpaulo rates = basicrates = 0; 1994251538Srpaulo maxrate = maxbasicrate = 0; 1995297175Sadrian 1996297175Sadrian /* This is for 11bg */ 1997251538Srpaulo for (i = 0; i < rs->rs_nrates; i++) { 1998251538Srpaulo /* Convert 802.11 rate to HW rate index. */ 1999298436Savos ridx = rate2ridx(IEEE80211_RV(rs->rs_rates[i])); 2000298436Savos if (ridx == URTWN_RIDX_UNKNOWN) /* Unknown rate, skip. */ 2001251538Srpaulo continue; 2002298436Savos rates |= 1 << ridx; 2003298436Savos if (ridx > maxrate) 2004298436Savos maxrate = ridx; 2005251538Srpaulo if (rs->rs_rates[i] & IEEE80211_RATE_BASIC) { 2006298436Savos basicrates |= 1 << ridx; 2007298436Savos if (ridx > maxbasicrate) 2008298436Savos maxbasicrate = ridx; 2009251538Srpaulo } 2010251538Srpaulo } 2011297175Sadrian 2012297175Sadrian /* If we're doing 11n, enable 11n rates */ 2013297175Sadrian if (ni->ni_flags & IEEE80211_NODE_HT) { 2014297175Sadrian for (i = 0; i < rs_ht->rs_nrates; i++) { 2015297175Sadrian if ((rs_ht->rs_rates[i] & 0x7f) > 0xf) 2016297175Sadrian continue; 2017297175Sadrian /* 11n rates start at index 12 */ 2018298436Savos ridx = ((rs_ht->rs_rates[i]) & 0xf) + 12; 2019298436Savos rates |= (1 << ridx); 2020297175Sadrian 2021297175Sadrian /* Guard against the rate table being oddly ordered */ 2022298436Savos if (ridx > maxrate) 2023298436Savos maxrate = ridx; 2024297175Sadrian } 2025297175Sadrian } 2026297175Sadrian 2027297175Sadrian#if 0 2028297175Sadrian if (ic->ic_curmode == IEEE80211_MODE_11NG) 2029297175Sadrian raid = R92C_RAID_11GN; 2030297175Sadrian#endif 2031297175Sadrian /* NB: group addressed frames are done at 11bg rates for now */ 2032251538Srpaulo if (ic->ic_curmode == IEEE80211_MODE_11B) 2033251538Srpaulo mode = R92C_RAID_11B; 2034251538Srpaulo else 2035251538Srpaulo mode = R92C_RAID_11BG; 2036297175Sadrian /* XXX misleading 'mode' value here for unicast frames */ 2037294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_RA, 2038294471Savos "%s: mode 0x%x, rates 0x%08x, basicrates 0x%08x\n", __func__, 2039251538Srpaulo mode, rates, basicrates); 2040251538Srpaulo 2041251538Srpaulo /* Set rates mask for group addressed frames. */ 2042251538Srpaulo cmd.macid = URTWN_MACID_BC | URTWN_MACID_VALID; 2043251538Srpaulo cmd.mask = htole32(mode << 28 | basicrates); 2044251538Srpaulo error = urtwn_fw_cmd(sc, R92C_CMD_MACID_CONFIG, &cmd, sizeof(cmd)); 2045251538Srpaulo if (error != 0) { 2046252401Srpaulo ieee80211_free_node(ni); 2047251538Srpaulo device_printf(sc->sc_dev, 2048251538Srpaulo "could not add broadcast station\n"); 2049251538Srpaulo return (error); 2050251538Srpaulo } 2051297175Sadrian 2052251538Srpaulo /* Set initial MRR rate. */ 2053294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_RA, "%s: maxbasicrate %d\n", __func__, 2054294471Savos maxbasicrate); 2055251538Srpaulo urtwn_write_1(sc, R92C_INIDATA_RATE_SEL(URTWN_MACID_BC), 2056251538Srpaulo maxbasicrate); 2057251538Srpaulo 2058251538Srpaulo /* Set rates mask for unicast frames. */ 2059297175Sadrian if (ni->ni_flags & IEEE80211_NODE_HT) 2060297175Sadrian mode = R92C_RAID_11GN; 2061297175Sadrian else if (ic->ic_curmode == IEEE80211_MODE_11B) 2062297175Sadrian mode = R92C_RAID_11B; 2063297175Sadrian else 2064297175Sadrian mode = R92C_RAID_11BG; 2065251538Srpaulo cmd.macid = URTWN_MACID_BSS | URTWN_MACID_VALID; 2066251538Srpaulo cmd.mask = htole32(mode << 28 | rates); 2067251538Srpaulo error = urtwn_fw_cmd(sc, R92C_CMD_MACID_CONFIG, &cmd, sizeof(cmd)); 2068251538Srpaulo if (error != 0) { 2069252401Srpaulo ieee80211_free_node(ni); 2070251538Srpaulo device_printf(sc->sc_dev, "could not add BSS station\n"); 2071251538Srpaulo return (error); 2072251538Srpaulo } 2073251538Srpaulo /* Set initial MRR rate. */ 2074294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_RA, "%s: maxrate %d\n", __func__, 2075294471Savos maxrate); 2076251538Srpaulo urtwn_write_1(sc, R92C_INIDATA_RATE_SEL(URTWN_MACID_BSS), 2077251538Srpaulo maxrate); 2078251538Srpaulo 2079251538Srpaulo /* Indicate highest supported rate. */ 2080297175Sadrian if (ni->ni_flags & IEEE80211_NODE_HT) 2081297175Sadrian ni->ni_txrate = rs_ht->rs_rates[rs_ht->rs_nrates - 1] 2082297175Sadrian | IEEE80211_RATE_MCS; 2083297175Sadrian else 2084297175Sadrian ni->ni_txrate = rs->rs_rates[rs->rs_nrates - 1]; 2085252401Srpaulo ieee80211_free_node(ni); 2086252401Srpaulo 2087251538Srpaulo return (0); 2088251538Srpaulo} 2089251538Srpaulo 2090290439Savosstatic void 2091290631Savosurtwn_init_beacon(struct urtwn_softc *sc, struct urtwn_vap *uvp) 2092251538Srpaulo{ 2093290631Savos struct r92c_tx_desc *txd = &uvp->bcn_desc; 2094290631Savos 2095290631Savos txd->txdw0 = htole32( 2096290631Savos SM(R92C_TXDW0_OFFSET, sizeof(*txd)) | R92C_TXDW0_BMCAST | 2097290631Savos R92C_TXDW0_OWN | R92C_TXDW0_FSG | R92C_TXDW0_LSG); 2098290631Savos txd->txdw1 = htole32( 2099290631Savos SM(R92C_TXDW1_QSEL, R92C_TXDW1_QSEL_BEACON) | 2100290631Savos SM(R92C_TXDW1_RAID, R92C_RAID_11B)); 2101290631Savos 2102291858Savos if (sc->chip & URTWN_CHIP_88E) { 2103290631Savos txd->txdw1 |= htole32(SM(R88E_TXDW1_MACID, URTWN_MACID_BC)); 2104291858Savos txd->txdseq |= htole16(R88E_TXDSEQ_HWSEQ_EN); 2105291858Savos } else { 2106290631Savos txd->txdw1 |= htole32(SM(R92C_TXDW1_MACID, URTWN_MACID_BC)); 2107291858Savos txd->txdw4 |= htole32(R92C_TXDW4_HWSEQ_EN); 2108291858Savos } 2109290631Savos 2110290631Savos txd->txdw4 = htole32(R92C_TXDW4_DRVRATE); 2111290631Savos txd->txdw5 = htole32(SM(R92C_TXDW5_DATARATE, URTWN_RIDX_CCK1)); 2112251538Srpaulo} 2113251538Srpaulo 2114290631Savosstatic int 2115290631Savosurtwn_setup_beacon(struct urtwn_softc *sc, struct ieee80211_node *ni) 2116290631Savos{ 2117290631Savos struct ieee80211vap *vap = ni->ni_vap; 2118290631Savos struct urtwn_vap *uvp = URTWN_VAP(vap); 2119290631Savos struct mbuf *m; 2120290631Savos int error; 2121290631Savos 2122290631Savos URTWN_ASSERT_LOCKED(sc); 2123290631Savos 2124290631Savos if (ni->ni_chan == IEEE80211_CHAN_ANYC) 2125290631Savos return (EINVAL); 2126290631Savos 2127290631Savos m = ieee80211_beacon_alloc(ni); 2128290631Savos if (m == NULL) { 2129290631Savos device_printf(sc->sc_dev, 2130290631Savos "%s: could not allocate beacon frame\n", __func__); 2131290631Savos return (ENOMEM); 2132290631Savos } 2133290631Savos 2134290631Savos if (uvp->bcn_mbuf != NULL) 2135290631Savos m_freem(uvp->bcn_mbuf); 2136290631Savos 2137290631Savos uvp->bcn_mbuf = m; 2138290631Savos 2139290631Savos if ((error = urtwn_tx_beacon(sc, uvp)) != 0) 2140290631Savos return (error); 2141290631Savos 2142290631Savos /* XXX bcnq stuck workaround */ 2143290631Savos if ((error = urtwn_tx_beacon(sc, uvp)) != 0) 2144290631Savos return (error); 2145290631Savos 2146294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_BEACON, "%s: beacon was %srecognized\n", 2147294471Savos __func__, urtwn_read_1(sc, R92C_TDECTRL + 2) & 2148294471Savos (R92C_TDECTRL_BCN_VALID >> 16) ? "" : "not "); 2149294471Savos 2150290631Savos return (0); 2151290631Savos} 2152290631Savos 2153251538Srpaulostatic void 2154290631Savosurtwn_update_beacon(struct ieee80211vap *vap, int item) 2155290631Savos{ 2156290631Savos struct urtwn_softc *sc = vap->iv_ic->ic_softc; 2157290631Savos struct urtwn_vap *uvp = URTWN_VAP(vap); 2158290631Savos struct ieee80211_beacon_offsets *bo = &vap->iv_bcn_off; 2159290631Savos struct ieee80211_node *ni = vap->iv_bss; 2160290631Savos int mcast = 0; 2161290631Savos 2162290631Savos URTWN_LOCK(sc); 2163290631Savos if (uvp->bcn_mbuf == NULL) { 2164290631Savos uvp->bcn_mbuf = ieee80211_beacon_alloc(ni); 2165290631Savos if (uvp->bcn_mbuf == NULL) { 2166290631Savos device_printf(sc->sc_dev, 2167290631Savos "%s: could not allocate beacon frame\n", __func__); 2168290631Savos URTWN_UNLOCK(sc); 2169290631Savos return; 2170290631Savos } 2171290631Savos } 2172290631Savos URTWN_UNLOCK(sc); 2173290631Savos 2174290631Savos if (item == IEEE80211_BEACON_TIM) 2175290631Savos mcast = 1; /* XXX */ 2176290631Savos 2177290631Savos setbit(bo->bo_flags, item); 2178290631Savos ieee80211_beacon_update(ni, uvp->bcn_mbuf, mcast); 2179290631Savos 2180290631Savos URTWN_LOCK(sc); 2181290631Savos urtwn_tx_beacon(sc, uvp); 2182290631Savos URTWN_UNLOCK(sc); 2183290631Savos} 2184290631Savos 2185290631Savos/* 2186290631Savos * Push a beacon frame into the chip. Beacon will 2187290631Savos * be repeated by the chip every R92C_BCN_INTERVAL. 2188290631Savos */ 2189290631Savosstatic int 2190290631Savosurtwn_tx_beacon(struct urtwn_softc *sc, struct urtwn_vap *uvp) 2191290631Savos{ 2192290631Savos struct r92c_tx_desc *desc = &uvp->bcn_desc; 2193290631Savos struct urtwn_data *bf; 2194290631Savos 2195290631Savos URTWN_ASSERT_LOCKED(sc); 2196290631Savos 2197290631Savos bf = urtwn_getbuf(sc); 2198290631Savos if (bf == NULL) 2199290631Savos return (ENOMEM); 2200290631Savos 2201290631Savos memcpy(bf->buf, desc, sizeof(*desc)); 2202290631Savos urtwn_tx_start(sc, uvp->bcn_mbuf, IEEE80211_FC0_TYPE_MGT, bf); 2203290631Savos 2204290631Savos sc->sc_txtimer = 5; 2205290631Savos callout_reset(&sc->sc_watchdog_ch, hz, urtwn_watchdog, sc); 2206290631Savos 2207290631Savos return (0); 2208290631Savos} 2209290631Savos 2210292175Savosstatic int 2211292175Savosurtwn_key_alloc(struct ieee80211vap *vap, struct ieee80211_key *k, 2212292175Savos ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix) 2213292175Savos{ 2214292175Savos struct urtwn_softc *sc = vap->iv_ic->ic_softc; 2215292175Savos uint8_t i; 2216292175Savos 2217292175Savos if (!(&vap->iv_nw_keys[0] <= k && 2218292175Savos k < &vap->iv_nw_keys[IEEE80211_WEP_NKID])) { 2219292175Savos if (!(k->wk_flags & IEEE80211_KEY_SWCRYPT)) { 2220292175Savos URTWN_LOCK(sc); 2221292175Savos /* 2222292175Savos * First 4 slots for group keys, 2223292175Savos * what is left - for pairwise. 2224292175Savos * XXX incompatible with IBSS RSN. 2225292175Savos */ 2226292175Savos for (i = IEEE80211_WEP_NKID; 2227292175Savos i < R92C_CAM_ENTRY_COUNT; i++) { 2228292175Savos if ((sc->keys_bmap & (1 << i)) == 0) { 2229292175Savos sc->keys_bmap |= 1 << i; 2230292175Savos *keyix = i; 2231292175Savos break; 2232292175Savos } 2233292175Savos } 2234292175Savos URTWN_UNLOCK(sc); 2235292175Savos if (i == R92C_CAM_ENTRY_COUNT) { 2236292175Savos device_printf(sc->sc_dev, 2237292175Savos "%s: no free space in the key table\n", 2238292175Savos __func__); 2239292175Savos return 0; 2240292175Savos } 2241292175Savos } else 2242292175Savos *keyix = 0; 2243292175Savos } else { 2244292175Savos *keyix = k - vap->iv_nw_keys; 2245292175Savos } 2246292175Savos *rxkeyix = *keyix; 2247292175Savos return 1; 2248292175Savos} 2249292175Savos 2250290631Savosstatic void 2251292175Savosurtwn_key_set_cb(struct urtwn_softc *sc, union sec_param *data) 2252292175Savos{ 2253292175Savos struct ieee80211_key *k = &data->key; 2254292175Savos uint8_t algo, keyid; 2255292175Savos int i, error; 2256292175Savos 2257292175Savos if (k->wk_keyix < IEEE80211_WEP_NKID) 2258292175Savos keyid = k->wk_keyix; 2259292175Savos else 2260292175Savos keyid = 0; 2261292175Savos 2262292175Savos /* Map net80211 cipher to HW crypto algorithm. */ 2263292175Savos switch (k->wk_cipher->ic_cipher) { 2264292175Savos case IEEE80211_CIPHER_WEP: 2265292175Savos if (k->wk_keylen < 8) 2266292175Savos algo = R92C_CAM_ALGO_WEP40; 2267292175Savos else 2268292175Savos algo = R92C_CAM_ALGO_WEP104; 2269292175Savos break; 2270292175Savos case IEEE80211_CIPHER_TKIP: 2271292175Savos algo = R92C_CAM_ALGO_TKIP; 2272292175Savos break; 2273292175Savos case IEEE80211_CIPHER_AES_CCM: 2274292175Savos algo = R92C_CAM_ALGO_AES; 2275292175Savos break; 2276292175Savos default: 2277292175Savos device_printf(sc->sc_dev, "%s: undefined cipher %d\n", 2278292175Savos __func__, k->wk_cipher->ic_cipher); 2279292175Savos return; 2280292175Savos } 2281292175Savos 2282294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_KEY, 2283294471Savos "%s: keyix %d, keyid %d, algo %d/%d, flags %04X, len %d, " 2284294471Savos "macaddr %s\n", __func__, k->wk_keyix, keyid, 2285294471Savos k->wk_cipher->ic_cipher, algo, k->wk_flags, k->wk_keylen, 2286294471Savos ether_sprintf(k->wk_macaddr)); 2287292175Savos 2288292175Savos /* Write key. */ 2289292175Savos for (i = 0; i < 4; i++) { 2290292175Savos error = urtwn_cam_write(sc, R92C_CAM_KEY(k->wk_keyix, i), 2291298359Savos le32dec(&k->wk_key[i * 4])); 2292292175Savos if (error != 0) 2293292175Savos goto fail; 2294292175Savos } 2295292175Savos 2296292175Savos /* Write CTL0 last since that will validate the CAM entry. */ 2297292175Savos error = urtwn_cam_write(sc, R92C_CAM_CTL1(k->wk_keyix), 2298298359Savos le32dec(&k->wk_macaddr[2])); 2299292175Savos if (error != 0) 2300292175Savos goto fail; 2301292175Savos error = urtwn_cam_write(sc, R92C_CAM_CTL0(k->wk_keyix), 2302292175Savos SM(R92C_CAM_ALGO, algo) | 2303292175Savos SM(R92C_CAM_KEYID, keyid) | 2304298359Savos SM(R92C_CAM_MACLO, le16dec(&k->wk_macaddr[0])) | 2305292175Savos R92C_CAM_VALID); 2306292175Savos if (error != 0) 2307292175Savos goto fail; 2308292175Savos 2309292175Savos return; 2310292175Savos 2311292175Savosfail: 2312292175Savos device_printf(sc->sc_dev, "%s fails, error %d\n", __func__, error); 2313292175Savos} 2314292175Savos 2315292175Savosstatic void 2316292175Savosurtwn_key_del_cb(struct urtwn_softc *sc, union sec_param *data) 2317292175Savos{ 2318292175Savos struct ieee80211_key *k = &data->key; 2319292175Savos int i; 2320292175Savos 2321294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_KEY, 2322294471Savos "%s: keyix %d, flags %04X, macaddr %s\n", __func__, 2323292175Savos k->wk_keyix, k->wk_flags, ether_sprintf(k->wk_macaddr)); 2324292175Savos 2325292175Savos urtwn_cam_write(sc, R92C_CAM_CTL0(k->wk_keyix), 0); 2326292175Savos urtwn_cam_write(sc, R92C_CAM_CTL1(k->wk_keyix), 0); 2327292175Savos 2328292175Savos /* Clear key. */ 2329292175Savos for (i = 0; i < 4; i++) 2330292175Savos urtwn_cam_write(sc, R92C_CAM_KEY(k->wk_keyix, i), 0); 2331292175Savos sc->keys_bmap &= ~(1 << k->wk_keyix); 2332292175Savos} 2333292175Savos 2334292175Savosstatic int 2335292175Savosurtwn_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k) 2336292175Savos{ 2337292175Savos struct urtwn_softc *sc = vap->iv_ic->ic_softc; 2338292175Savos 2339292175Savos if (k->wk_flags & IEEE80211_KEY_SWCRYPT) { 2340292175Savos /* Not for us. */ 2341292175Savos return (1); 2342292175Savos } 2343292175Savos 2344292175Savos return (!urtwn_cmd_sleepable(sc, k, sizeof(*k), urtwn_key_set_cb)); 2345292175Savos} 2346292175Savos 2347292175Savosstatic int 2348292175Savosurtwn_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 2349292175Savos{ 2350292175Savos struct urtwn_softc *sc = vap->iv_ic->ic_softc; 2351292175Savos 2352292175Savos if (k->wk_flags & IEEE80211_KEY_SWCRYPT) { 2353292175Savos /* Not for us. */ 2354292175Savos return (1); 2355292175Savos } 2356292175Savos 2357292175Savos return (!urtwn_cmd_sleepable(sc, k, sizeof(*k), urtwn_key_del_cb)); 2358292175Savos} 2359292175Savos 2360292175Savosstatic void 2361290651Savosurtwn_tsf_task_adhoc(void *arg, int pending) 2362290651Savos{ 2363290651Savos struct ieee80211vap *vap = arg; 2364290651Savos struct urtwn_softc *sc = vap->iv_ic->ic_softc; 2365290651Savos struct ieee80211_node *ni; 2366290651Savos uint32_t reg; 2367290651Savos 2368290651Savos URTWN_LOCK(sc); 2369290651Savos ni = ieee80211_ref_node(vap->iv_bss); 2370290651Savos reg = urtwn_read_1(sc, R92C_BCN_CTRL); 2371290651Savos 2372290651Savos /* Accept beacons with the same BSSID. */ 2373290651Savos urtwn_set_rx_bssid_all(sc, 0); 2374290651Savos 2375290651Savos /* Enable synchronization. */ 2376290651Savos reg &= ~R92C_BCN_CTRL_DIS_TSF_UDT0; 2377290651Savos urtwn_write_1(sc, R92C_BCN_CTRL, reg); 2378290651Savos 2379290651Savos /* Synchronize. */ 2380290651Savos usb_pause_mtx(&sc->sc_mtx, hz * ni->ni_intval * 5 / 1000); 2381290651Savos 2382290651Savos /* Disable synchronization. */ 2383290651Savos reg |= R92C_BCN_CTRL_DIS_TSF_UDT0; 2384290651Savos urtwn_write_1(sc, R92C_BCN_CTRL, reg); 2385290651Savos 2386290651Savos /* Remove beacon filter. */ 2387290651Savos urtwn_set_rx_bssid_all(sc, 1); 2388290651Savos 2389290651Savos /* Enable beaconing. */ 2390290651Savos urtwn_write_1(sc, R92C_MBID_NUM, 2391290651Savos urtwn_read_1(sc, R92C_MBID_NUM) | R92C_MBID_TXBCN_RPT0); 2392290651Savos reg |= R92C_BCN_CTRL_EN_BCN; 2393290651Savos 2394290651Savos urtwn_write_1(sc, R92C_BCN_CTRL, reg); 2395290651Savos ieee80211_free_node(ni); 2396290651Savos URTWN_UNLOCK(sc); 2397290651Savos} 2398290651Savos 2399290651Savosstatic void 2400290631Savosurtwn_tsf_sync_enable(struct urtwn_softc *sc, struct ieee80211vap *vap) 2401290631Savos{ 2402290651Savos struct ieee80211com *ic = &sc->sc_ic; 2403290651Savos struct urtwn_vap *uvp = URTWN_VAP(vap); 2404290651Savos 2405290631Savos /* Reset TSF. */ 2406290631Savos urtwn_write_1(sc, R92C_DUAL_TSF_RST, R92C_DUAL_TSF_RST0); 2407290631Savos 2408290631Savos switch (vap->iv_opmode) { 2409290631Savos case IEEE80211_M_STA: 2410290631Savos /* Enable TSF synchronization. */ 2411290631Savos urtwn_write_1(sc, R92C_BCN_CTRL, 2412290631Savos urtwn_read_1(sc, R92C_BCN_CTRL) & 2413290631Savos ~R92C_BCN_CTRL_DIS_TSF_UDT0); 2414290631Savos break; 2415290651Savos case IEEE80211_M_IBSS: 2416290651Savos ieee80211_runtask(ic, &uvp->tsf_task_adhoc); 2417290651Savos break; 2418290631Savos case IEEE80211_M_HOSTAP: 2419290631Savos /* Enable beaconing. */ 2420290631Savos urtwn_write_1(sc, R92C_MBID_NUM, 2421290631Savos urtwn_read_1(sc, R92C_MBID_NUM) | R92C_MBID_TXBCN_RPT0); 2422290631Savos urtwn_write_1(sc, R92C_BCN_CTRL, 2423290631Savos urtwn_read_1(sc, R92C_BCN_CTRL) | R92C_BCN_CTRL_EN_BCN); 2424290631Savos break; 2425290631Savos default: 2426290631Savos device_printf(sc->sc_dev, "undefined opmode %d\n", 2427290631Savos vap->iv_opmode); 2428290631Savos return; 2429290631Savos } 2430290631Savos} 2431290631Savos 2432290631Savosstatic void 2433292203Savosurtwn_get_tsf(struct urtwn_softc *sc, uint64_t *buf) 2434292203Savos{ 2435292203Savos urtwn_read_region_1(sc, R92C_TSFTR, (uint8_t *)buf, sizeof(*buf)); 2436292203Savos} 2437292203Savos 2438292203Savosstatic void 2439251538Srpaulourtwn_set_led(struct urtwn_softc *sc, int led, int on) 2440251538Srpaulo{ 2441251538Srpaulo uint8_t reg; 2442281069Srpaulo 2443251538Srpaulo if (led == URTWN_LED_LINK) { 2444264912Skevlo if (sc->chip & URTWN_CHIP_88E) { 2445264912Skevlo reg = urtwn_read_1(sc, R92C_LEDCFG2) & 0xf0; 2446264912Skevlo urtwn_write_1(sc, R92C_LEDCFG2, reg | 0x60); 2447264912Skevlo if (!on) { 2448264912Skevlo reg = urtwn_read_1(sc, R92C_LEDCFG2) & 0x90; 2449264912Skevlo urtwn_write_1(sc, R92C_LEDCFG2, 2450264912Skevlo reg | R92C_LEDCFG0_DIS); 2451264912Skevlo urtwn_write_1(sc, R92C_MAC_PINMUX_CFG, 2452264912Skevlo urtwn_read_1(sc, R92C_MAC_PINMUX_CFG) & 2453264912Skevlo 0xfe); 2454264912Skevlo } 2455264912Skevlo } else { 2456264912Skevlo reg = urtwn_read_1(sc, R92C_LEDCFG0) & 0x70; 2457264912Skevlo if (!on) 2458264912Skevlo reg |= R92C_LEDCFG0_DIS; 2459264912Skevlo urtwn_write_1(sc, R92C_LEDCFG0, reg); 2460264912Skevlo } 2461264912Skevlo sc->ledlink = on; /* Save LED state. */ 2462251538Srpaulo } 2463251538Srpaulo} 2464251538Srpaulo 2465289811Savosstatic void 2466289811Savosurtwn_set_mode(struct urtwn_softc *sc, uint8_t mode) 2467289811Savos{ 2468289811Savos uint8_t reg; 2469289811Savos 2470289811Savos reg = urtwn_read_1(sc, R92C_MSR); 2471289811Savos reg = (reg & ~R92C_MSR_MASK) | mode; 2472289811Savos urtwn_write_1(sc, R92C_MSR, reg); 2473289811Savos} 2474289811Savos 2475290651Savosstatic void 2476290651Savosurtwn_ibss_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m, int subtype, 2477290651Savos const struct ieee80211_rx_stats *rxs, 2478290651Savos int rssi, int nf) 2479290651Savos{ 2480290651Savos struct ieee80211vap *vap = ni->ni_vap; 2481290651Savos struct urtwn_softc *sc = vap->iv_ic->ic_softc; 2482290651Savos struct urtwn_vap *uvp = URTWN_VAP(vap); 2483290651Savos uint64_t ni_tstamp, curr_tstamp; 2484290651Savos 2485290651Savos uvp->recv_mgmt(ni, m, subtype, rxs, rssi, nf); 2486290651Savos 2487290651Savos if (vap->iv_state == IEEE80211_S_RUN && 2488290651Savos (subtype == IEEE80211_FC0_SUBTYPE_BEACON || 2489290651Savos subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP)) { 2490290651Savos ni_tstamp = le64toh(ni->ni_tstamp.tsf); 2491290651Savos URTWN_LOCK(sc); 2492290651Savos urtwn_get_tsf(sc, &curr_tstamp); 2493290651Savos URTWN_UNLOCK(sc); 2494290651Savos curr_tstamp = le64toh(curr_tstamp); 2495290651Savos 2496290651Savos if (ni_tstamp >= curr_tstamp) 2497290651Savos (void) ieee80211_ibss_merge(ni); 2498290651Savos } 2499290651Savos} 2500290651Savos 2501251538Srpaulostatic int 2502251538Srpaulourtwn_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 2503251538Srpaulo{ 2504251538Srpaulo struct urtwn_vap *uvp = URTWN_VAP(vap); 2505251538Srpaulo struct ieee80211com *ic = vap->iv_ic; 2506286949Sadrian struct urtwn_softc *sc = ic->ic_softc; 2507251538Srpaulo struct ieee80211_node *ni; 2508251538Srpaulo enum ieee80211_state ostate; 2509290631Savos uint32_t reg; 2510290631Savos uint8_t mode; 2511290631Savos int error = 0; 2512251538Srpaulo 2513251538Srpaulo ostate = vap->iv_state; 2514294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_STATE, "%s -> %s\n", 2515294471Savos ieee80211_state_name[ostate], ieee80211_state_name[nstate]); 2516251538Srpaulo 2517251538Srpaulo IEEE80211_UNLOCK(ic); 2518251538Srpaulo URTWN_LOCK(sc); 2519251538Srpaulo callout_stop(&sc->sc_watchdog_ch); 2520251538Srpaulo 2521251538Srpaulo if (ostate == IEEE80211_S_RUN) { 2522294473Savos /* Stop calibration. */ 2523294473Savos callout_stop(&sc->sc_calib_to); 2524294473Savos 2525251538Srpaulo /* Turn link LED off. */ 2526251538Srpaulo urtwn_set_led(sc, URTWN_LED_LINK, 0); 2527251538Srpaulo 2528251538Srpaulo /* Set media status to 'No Link'. */ 2529289811Savos urtwn_set_mode(sc, R92C_MSR_NOLINK); 2530251538Srpaulo 2531251538Srpaulo /* Stop Rx of data frames. */ 2532251538Srpaulo urtwn_write_2(sc, R92C_RXFLTMAP2, 0); 2533251538Srpaulo 2534251538Srpaulo /* Disable TSF synchronization. */ 2535251538Srpaulo urtwn_write_1(sc, R92C_BCN_CTRL, 2536290631Savos (urtwn_read_1(sc, R92C_BCN_CTRL) & ~R92C_BCN_CTRL_EN_BCN) | 2537251538Srpaulo R92C_BCN_CTRL_DIS_TSF_UDT0); 2538251538Srpaulo 2539290631Savos /* Disable beaconing. */ 2540290631Savos urtwn_write_1(sc, R92C_MBID_NUM, 2541290631Savos urtwn_read_1(sc, R92C_MBID_NUM) & ~R92C_MBID_TXBCN_RPT0); 2542290631Savos 2543290631Savos /* Reset TSF. */ 2544290631Savos urtwn_write_1(sc, R92C_DUAL_TSF_RST, R92C_DUAL_TSF_RST0); 2545290631Savos 2546251538Srpaulo /* Reset EDCA parameters. */ 2547251538Srpaulo urtwn_write_4(sc, R92C_EDCA_VO_PARAM, 0x002f3217); 2548251538Srpaulo urtwn_write_4(sc, R92C_EDCA_VI_PARAM, 0x005e4317); 2549251538Srpaulo urtwn_write_4(sc, R92C_EDCA_BE_PARAM, 0x00105320); 2550251538Srpaulo urtwn_write_4(sc, R92C_EDCA_BK_PARAM, 0x0000a444); 2551251538Srpaulo } 2552251538Srpaulo 2553251538Srpaulo switch (nstate) { 2554251538Srpaulo case IEEE80211_S_INIT: 2555251538Srpaulo /* Turn link LED off. */ 2556251538Srpaulo urtwn_set_led(sc, URTWN_LED_LINK, 0); 2557251538Srpaulo break; 2558251538Srpaulo case IEEE80211_S_SCAN: 2559251538Srpaulo /* Pause AC Tx queues. */ 2560251538Srpaulo urtwn_write_1(sc, R92C_TXPAUSE, 2561293180Savos urtwn_read_1(sc, R92C_TXPAUSE) | R92C_TX_QUEUE_AC); 2562251538Srpaulo break; 2563251538Srpaulo case IEEE80211_S_AUTH: 2564251538Srpaulo urtwn_set_chan(sc, ic->ic_curchan, NULL); 2565251538Srpaulo break; 2566251538Srpaulo case IEEE80211_S_RUN: 2567251538Srpaulo if (vap->iv_opmode == IEEE80211_M_MONITOR) { 2568251538Srpaulo /* Turn link LED on. */ 2569251538Srpaulo urtwn_set_led(sc, URTWN_LED_LINK, 1); 2570251538Srpaulo break; 2571251538Srpaulo } 2572251538Srpaulo 2573251538Srpaulo ni = ieee80211_ref_node(vap->iv_bss); 2574290631Savos 2575290631Savos if (ic->ic_bsschan == IEEE80211_CHAN_ANYC || 2576290631Savos ni->ni_chan == IEEE80211_CHAN_ANYC) { 2577290631Savos device_printf(sc->sc_dev, 2578290631Savos "%s: could not move to RUN state\n", __func__); 2579290631Savos error = EINVAL; 2580290631Savos goto end_run; 2581290631Savos } 2582290631Savos 2583290631Savos switch (vap->iv_opmode) { 2584290631Savos case IEEE80211_M_STA: 2585290631Savos mode = R92C_MSR_INFRA; 2586290631Savos break; 2587290651Savos case IEEE80211_M_IBSS: 2588290651Savos mode = R92C_MSR_ADHOC; 2589290651Savos break; 2590290631Savos case IEEE80211_M_HOSTAP: 2591290631Savos mode = R92C_MSR_AP; 2592290631Savos break; 2593290631Savos default: 2594290631Savos device_printf(sc->sc_dev, "undefined opmode %d\n", 2595290631Savos vap->iv_opmode); 2596290631Savos error = EINVAL; 2597290631Savos goto end_run; 2598290631Savos } 2599290631Savos 2600251538Srpaulo /* Set media status to 'Associated'. */ 2601290631Savos urtwn_set_mode(sc, mode); 2602251538Srpaulo 2603251538Srpaulo /* Set BSSID. */ 2604298359Savos urtwn_write_4(sc, R92C_BSSID + 0, le32dec(&ni->ni_bssid[0])); 2605298359Savos urtwn_write_4(sc, R92C_BSSID + 4, le16dec(&ni->ni_bssid[4])); 2606251538Srpaulo 2607251538Srpaulo if (ic->ic_curmode == IEEE80211_MODE_11B) 2608251538Srpaulo urtwn_write_1(sc, R92C_INIRTS_RATE_SEL, 0); 2609251538Srpaulo else /* 802.11b/g */ 2610251538Srpaulo urtwn_write_1(sc, R92C_INIRTS_RATE_SEL, 3); 2611251538Srpaulo 2612251538Srpaulo /* Enable Rx of data frames. */ 2613251538Srpaulo urtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff); 2614251538Srpaulo 2615251538Srpaulo /* Flush all AC queues. */ 2616251538Srpaulo urtwn_write_1(sc, R92C_TXPAUSE, 0); 2617251538Srpaulo 2618251538Srpaulo /* Set beacon interval. */ 2619251538Srpaulo urtwn_write_2(sc, R92C_BCN_INTERVAL, ni->ni_intval); 2620251538Srpaulo 2621251538Srpaulo /* Allow Rx from our BSSID only. */ 2622290564Savos if (ic->ic_promisc == 0) { 2623290631Savos reg = urtwn_read_4(sc, R92C_RCR); 2624290631Savos 2625290631Savos if (vap->iv_opmode != IEEE80211_M_HOSTAP) 2626290631Savos reg |= R92C_RCR_CBSSID_DATA; 2627290651Savos if (vap->iv_opmode != IEEE80211_M_IBSS) 2628290651Savos reg |= R92C_RCR_CBSSID_BCN; 2629290631Savos 2630290631Savos urtwn_write_4(sc, R92C_RCR, reg); 2631290564Savos } 2632251538Srpaulo 2633290651Savos if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2634290651Savos vap->iv_opmode == IEEE80211_M_IBSS) { 2635290631Savos error = urtwn_setup_beacon(sc, ni); 2636290631Savos if (error != 0) { 2637290631Savos device_printf(sc->sc_dev, 2638290631Savos "unable to push beacon into the chip, " 2639290631Savos "error %d\n", error); 2640290631Savos goto end_run; 2641290631Savos } 2642290631Savos } 2643290631Savos 2644251538Srpaulo /* Enable TSF synchronization. */ 2645290631Savos urtwn_tsf_sync_enable(sc, vap); 2646251538Srpaulo 2647251538Srpaulo urtwn_write_1(sc, R92C_SIFS_CCK + 1, 10); 2648251538Srpaulo urtwn_write_1(sc, R92C_SIFS_OFDM + 1, 10); 2649251538Srpaulo urtwn_write_1(sc, R92C_SPEC_SIFS + 1, 10); 2650251538Srpaulo urtwn_write_1(sc, R92C_MAC_SPEC_SIFS + 1, 10); 2651251538Srpaulo urtwn_write_1(sc, R92C_R2T_SIFS + 1, 10); 2652251538Srpaulo urtwn_write_1(sc, R92C_T2T_SIFS + 1, 10); 2653251538Srpaulo 2654251538Srpaulo /* Intialize rate adaptation. */ 2655292167Savos if (!(sc->chip & URTWN_CHIP_88E)) 2656264912Skevlo urtwn_ra_init(sc); 2657251538Srpaulo /* Turn link LED on. */ 2658251538Srpaulo urtwn_set_led(sc, URTWN_LED_LINK, 1); 2659251538Srpaulo 2660251538Srpaulo sc->avg_pwdb = -1; /* Reset average RSSI. */ 2661251538Srpaulo /* Reset temperature calibration state machine. */ 2662294473Savos sc->sc_flags &= ~URTWN_TEMP_MEASURED; 2663251538Srpaulo sc->thcal_lctemp = 0; 2664294473Savos /* Start periodic calibration. */ 2665294473Savos callout_reset(&sc->sc_calib_to, 2*hz, urtwn_calib_to, sc); 2666290631Savos 2667290631Savosend_run: 2668251538Srpaulo ieee80211_free_node(ni); 2669251538Srpaulo break; 2670251538Srpaulo default: 2671251538Srpaulo break; 2672251538Srpaulo } 2673290631Savos 2674251538Srpaulo URTWN_UNLOCK(sc); 2675251538Srpaulo IEEE80211_LOCK(ic); 2676290631Savos return (error != 0 ? error : uvp->newstate(vap, nstate, arg)); 2677251538Srpaulo} 2678251538Srpaulo 2679251538Srpaulostatic void 2680294473Savosurtwn_calib_to(void *arg) 2681294473Savos{ 2682294473Savos struct urtwn_softc *sc = arg; 2683294473Savos 2684294473Savos /* Do it in a process context. */ 2685294473Savos urtwn_cmd_sleepable(sc, NULL, 0, urtwn_calib_cb); 2686294473Savos} 2687294473Savos 2688294473Savosstatic void 2689294473Savosurtwn_calib_cb(struct urtwn_softc *sc, union sec_param *data) 2690294473Savos{ 2691294473Savos /* Do temperature compensation. */ 2692294473Savos urtwn_temp_calib(sc); 2693294473Savos 2694294473Savos if ((urtwn_read_1(sc, R92C_MSR) & R92C_MSR_MASK) != R92C_MSR_NOLINK) 2695294473Savos callout_reset(&sc->sc_calib_to, 2*hz, urtwn_calib_to, sc); 2696294473Savos} 2697294473Savos 2698294473Savosstatic void 2699251538Srpaulourtwn_watchdog(void *arg) 2700251538Srpaulo{ 2701251538Srpaulo struct urtwn_softc *sc = arg; 2702251538Srpaulo 2703251538Srpaulo if (sc->sc_txtimer > 0) { 2704251538Srpaulo if (--sc->sc_txtimer == 0) { 2705251538Srpaulo device_printf(sc->sc_dev, "device timeout\n"); 2706287197Sglebius counter_u64_add(sc->sc_ic.ic_oerrors, 1); 2707251538Srpaulo return; 2708251538Srpaulo } 2709251538Srpaulo callout_reset(&sc->sc_watchdog_ch, hz, urtwn_watchdog, sc); 2710251538Srpaulo } 2711251538Srpaulo} 2712251538Srpaulo 2713251538Srpaulostatic void 2714251538Srpaulourtwn_update_avgrssi(struct urtwn_softc *sc, int rate, int8_t rssi) 2715251538Srpaulo{ 2716251538Srpaulo int pwdb; 2717251538Srpaulo 2718251538Srpaulo /* Convert antenna signal to percentage. */ 2719251538Srpaulo if (rssi <= -100 || rssi >= 20) 2720251538Srpaulo pwdb = 0; 2721251538Srpaulo else if (rssi >= 0) 2722251538Srpaulo pwdb = 100; 2723251538Srpaulo else 2724251538Srpaulo pwdb = 100 + rssi; 2725264912Skevlo if (!(sc->chip & URTWN_CHIP_88E)) { 2726289758Savos if (rate <= URTWN_RIDX_CCK11) { 2727264912Skevlo /* CCK gain is smaller than OFDM/MCS gain. */ 2728264912Skevlo pwdb += 6; 2729264912Skevlo if (pwdb > 100) 2730264912Skevlo pwdb = 100; 2731264912Skevlo if (pwdb <= 14) 2732264912Skevlo pwdb -= 4; 2733264912Skevlo else if (pwdb <= 26) 2734264912Skevlo pwdb -= 8; 2735264912Skevlo else if (pwdb <= 34) 2736264912Skevlo pwdb -= 6; 2737264912Skevlo else if (pwdb <= 42) 2738264912Skevlo pwdb -= 2; 2739264912Skevlo } 2740251538Srpaulo } 2741251538Srpaulo if (sc->avg_pwdb == -1) /* Init. */ 2742251538Srpaulo sc->avg_pwdb = pwdb; 2743251538Srpaulo else if (sc->avg_pwdb < pwdb) 2744251538Srpaulo sc->avg_pwdb = ((sc->avg_pwdb * 19 + pwdb) / 20) + 1; 2745251538Srpaulo else 2746251538Srpaulo sc->avg_pwdb = ((sc->avg_pwdb * 19 + pwdb) / 20); 2747297175Sadrian URTWN_DPRINTF(sc, URTWN_DEBUG_RSSI, "%s: PWDB %d, EMA %d\n", __func__, 2748294471Savos pwdb, sc->avg_pwdb); 2749251538Srpaulo} 2750251538Srpaulo 2751251538Srpaulostatic int8_t 2752251538Srpaulourtwn_get_rssi(struct urtwn_softc *sc, int rate, void *physt) 2753251538Srpaulo{ 2754251538Srpaulo static const int8_t cckoff[] = { 16, -12, -26, -46 }; 2755251538Srpaulo struct r92c_rx_phystat *phy; 2756251538Srpaulo struct r92c_rx_cck *cck; 2757251538Srpaulo uint8_t rpt; 2758251538Srpaulo int8_t rssi; 2759251538Srpaulo 2760289758Savos if (rate <= URTWN_RIDX_CCK11) { 2761251538Srpaulo cck = (struct r92c_rx_cck *)physt; 2762251538Srpaulo if (sc->sc_flags & URTWN_FLAG_CCK_HIPWR) { 2763251538Srpaulo rpt = (cck->agc_rpt >> 5) & 0x3; 2764251538Srpaulo rssi = (cck->agc_rpt & 0x1f) << 1; 2765251538Srpaulo } else { 2766251538Srpaulo rpt = (cck->agc_rpt >> 6) & 0x3; 2767251538Srpaulo rssi = cck->agc_rpt & 0x3e; 2768251538Srpaulo } 2769251538Srpaulo rssi = cckoff[rpt] - rssi; 2770251538Srpaulo } else { /* OFDM/HT. */ 2771251538Srpaulo phy = (struct r92c_rx_phystat *)physt; 2772251538Srpaulo rssi = ((le32toh(phy->phydw1) >> 1) & 0x7f) - 110; 2773251538Srpaulo } 2774251538Srpaulo return (rssi); 2775251538Srpaulo} 2776251538Srpaulo 2777264912Skevlostatic int8_t 2778264912Skevlourtwn_r88e_get_rssi(struct urtwn_softc *sc, int rate, void *physt) 2779264912Skevlo{ 2780264912Skevlo struct r92c_rx_phystat *phy; 2781264912Skevlo struct r88e_rx_cck *cck; 2782264912Skevlo uint8_t cck_agc_rpt, lna_idx, vga_idx; 2783264912Skevlo int8_t rssi; 2784264912Skevlo 2785264972Skevlo rssi = 0; 2786289758Savos if (rate <= URTWN_RIDX_CCK11) { 2787264912Skevlo cck = (struct r88e_rx_cck *)physt; 2788264912Skevlo cck_agc_rpt = cck->agc_rpt; 2789264912Skevlo lna_idx = (cck_agc_rpt & 0xe0) >> 5; 2790281069Srpaulo vga_idx = cck_agc_rpt & 0x1f; 2791264912Skevlo switch (lna_idx) { 2792264912Skevlo case 7: 2793264912Skevlo if (vga_idx <= 27) 2794264912Skevlo rssi = -100 + 2* (27 - vga_idx); 2795264912Skevlo else 2796264912Skevlo rssi = -100; 2797264912Skevlo break; 2798264912Skevlo case 6: 2799264912Skevlo rssi = -48 + 2 * (2 - vga_idx); 2800264912Skevlo break; 2801264912Skevlo case 5: 2802264912Skevlo rssi = -42 + 2 * (7 - vga_idx); 2803264912Skevlo break; 2804264912Skevlo case 4: 2805264912Skevlo rssi = -36 + 2 * (7 - vga_idx); 2806264912Skevlo break; 2807264912Skevlo case 3: 2808264912Skevlo rssi = -24 + 2 * (7 - vga_idx); 2809264912Skevlo break; 2810264912Skevlo case 2: 2811264912Skevlo rssi = -12 + 2 * (5 - vga_idx); 2812264912Skevlo break; 2813264912Skevlo case 1: 2814264912Skevlo rssi = 8 - (2 * vga_idx); 2815264912Skevlo break; 2816264912Skevlo case 0: 2817264912Skevlo rssi = 14 - (2 * vga_idx); 2818264912Skevlo break; 2819264912Skevlo } 2820264912Skevlo rssi += 6; 2821264912Skevlo } else { /* OFDM/HT. */ 2822264912Skevlo phy = (struct r92c_rx_phystat *)physt; 2823264912Skevlo rssi = ((le32toh(phy->phydw1) >> 1) & 0x7f) - 110; 2824264912Skevlo } 2825264912Skevlo return (rssi); 2826264912Skevlo} 2827264912Skevlo 2828251538Srpaulostatic int 2829290630Savosurtwn_tx_data(struct urtwn_softc *sc, struct ieee80211_node *ni, 2830290630Savos struct mbuf *m, struct urtwn_data *data) 2831251538Srpaulo{ 2832292167Savos const struct ieee80211_txparam *tp; 2833287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 2834251538Srpaulo struct ieee80211vap *vap = ni->ni_vap; 2835292167Savos struct ieee80211_key *k = NULL; 2836292167Savos struct ieee80211_channel *chan; 2837292167Savos struct ieee80211_frame *wh; 2838251538Srpaulo struct r92c_tx_desc *txd; 2839292167Savos uint8_t macid, raid, rate, ridx, subtype, type, tid, qsel; 2840292014Savos int hasqos, ismcast; 2841251538Srpaulo 2842251538Srpaulo URTWN_ASSERT_LOCKED(sc); 2843251538Srpaulo 2844251538Srpaulo /* 2845251538Srpaulo * Software crypto. 2846251538Srpaulo */ 2847290630Savos wh = mtod(m, struct ieee80211_frame *); 2848264912Skevlo type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2849290630Savos subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2850292014Savos hasqos = IEEE80211_QOS_HAS_SEQ(wh); 2851290630Savos ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 2852264912Skevlo 2853292014Savos /* Select TX ring for this frame. */ 2854292014Savos if (hasqos) { 2855292014Savos tid = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 2856292014Savos tid &= IEEE80211_QOS_TID; 2857292014Savos } else 2858292014Savos tid = 0; 2859292014Savos 2860292167Savos chan = (ni->ni_chan != IEEE80211_CHAN_ANYC) ? 2861292167Savos ni->ni_chan : ic->ic_curchan; 2862292167Savos tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 2863292167Savos 2864292167Savos /* Choose a TX rate index. */ 2865292167Savos if (type == IEEE80211_FC0_TYPE_MGT) 2866292167Savos rate = tp->mgmtrate; 2867292167Savos else if (ismcast) 2868292167Savos rate = tp->mcastrate; 2869292167Savos else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2870292167Savos rate = tp->ucastrate; 2871292167Savos else if (m->m_flags & M_EAPOL) 2872292167Savos rate = tp->mgmtrate; 2873292167Savos else { 2874292167Savos if (URTWN_CHIP_HAS_RATECTL(sc)) { 2875292167Savos /* XXX pass pktlen */ 2876292167Savos (void) ieee80211_ratectl_rate(ni, NULL, 0); 2877292167Savos rate = ni->ni_txrate; 2878292167Savos } else { 2879297175Sadrian /* XXX TODO: drop the default rate for 11b/11g? */ 2880297175Sadrian if (ni->ni_flags & IEEE80211_NODE_HT) 2881297175Sadrian rate = IEEE80211_RATE_MCS | 0x4; /* MCS4 */ 2882297175Sadrian else if (ic->ic_curmode != IEEE80211_MODE_11B) 2883292167Savos rate = 108; 2884292167Savos else 2885292167Savos rate = 22; 2886292167Savos } 2887292167Savos } 2888292167Savos 2889297175Sadrian /* 2890297175Sadrian * XXX TODO: this should be per-node, for 11b versus 11bg 2891297175Sadrian * nodes in hostap mode 2892297175Sadrian */ 2893292167Savos ridx = rate2ridx(rate); 2894297175Sadrian if (ni->ni_flags & IEEE80211_NODE_HT) 2895297175Sadrian raid = R92C_RAID_11GN; 2896297175Sadrian else if (ic->ic_curmode != IEEE80211_MODE_11B) 2897292167Savos raid = R92C_RAID_11BG; 2898292167Savos else 2899292167Savos raid = R92C_RAID_11B; 2900292167Savos 2901260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2902290630Savos k = ieee80211_crypto_encap(ni, m); 2903251538Srpaulo if (k == NULL) { 2904251538Srpaulo device_printf(sc->sc_dev, 2905251538Srpaulo "ieee80211_crypto_encap returns NULL.\n"); 2906251538Srpaulo return (ENOBUFS); 2907251538Srpaulo } 2908251538Srpaulo 2909251538Srpaulo /* in case packet header moved, reset pointer */ 2910290630Savos wh = mtod(m, struct ieee80211_frame *); 2911251538Srpaulo } 2912281069Srpaulo 2913251538Srpaulo /* Fill Tx descriptor. */ 2914251538Srpaulo txd = (struct r92c_tx_desc *)data->buf; 2915251538Srpaulo memset(txd, 0, sizeof(*txd)); 2916251538Srpaulo 2917251538Srpaulo txd->txdw0 |= htole32( 2918251538Srpaulo SM(R92C_TXDW0_OFFSET, sizeof(*txd)) | 2919251538Srpaulo R92C_TXDW0_OWN | R92C_TXDW0_FSG | R92C_TXDW0_LSG); 2920290630Savos if (ismcast) 2921251538Srpaulo txd->txdw0 |= htole32(R92C_TXDW0_BMCAST); 2922290630Savos 2923290630Savos if (!ismcast) { 2924292167Savos if (sc->chip & URTWN_CHIP_88E) { 2925292167Savos struct urtwn_node *un = URTWN_NODE(ni); 2926292167Savos macid = un->id; 2927292167Savos } else 2928292167Savos macid = URTWN_MACID_BSS; 2929290630Savos 2930290630Savos if (type == IEEE80211_FC0_TYPE_DATA) { 2931292014Savos qsel = tid % URTWN_MAX_TID; 2932290630Savos 2933292167Savos if (sc->chip & URTWN_CHIP_88E) { 2934292167Savos txd->txdw2 |= htole32( 2935292167Savos R88E_TXDW2_AGGBK | 2936292167Savos R88E_TXDW2_CCX_RPT); 2937292167Savos } else 2938290630Savos txd->txdw1 |= htole32(R92C_TXDW1_AGGBK); 2939290630Savos 2940297175Sadrian /* protmode, non-HT */ 2941297175Sadrian /* XXX TODO: noack frames? */ 2942297175Sadrian if ((rate & 0x80) == 0 && 2943297175Sadrian (ic->ic_flags & IEEE80211_F_USEPROT)) { 2944290630Savos switch (ic->ic_protmode) { 2945290630Savos case IEEE80211_PROT_CTSONLY: 2946290630Savos txd->txdw4 |= htole32( 2947290630Savos R92C_TXDW4_CTS2SELF | 2948290630Savos R92C_TXDW4_HWRTSEN); 2949290630Savos break; 2950290630Savos case IEEE80211_PROT_RTSCTS: 2951290630Savos txd->txdw4 |= htole32( 2952290630Savos R92C_TXDW4_RTSEN | 2953290630Savos R92C_TXDW4_HWRTSEN); 2954290630Savos break; 2955290630Savos default: 2956290630Savos break; 2957290630Savos } 2958290630Savos } 2959297175Sadrian 2960297175Sadrian /* protmode, HT */ 2961297175Sadrian /* XXX TODO: noack frames? */ 2962297175Sadrian if ((rate & 0x80) && 2963297175Sadrian (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)) { 2964297175Sadrian txd->txdw4 |= htole32( 2965297175Sadrian R92C_TXDW4_RTSEN | 2966297175Sadrian R92C_TXDW4_HWRTSEN); 2967297175Sadrian } 2968297175Sadrian 2969297175Sadrian /* XXX TODO: rtsrate is configurable? 24mbit may 2970297175Sadrian * be a bit high for RTS rate? */ 2971290630Savos txd->txdw4 |= htole32(SM(R92C_TXDW4_RTSRATE, 2972290630Savos URTWN_RIDX_OFDM24)); 2973297175Sadrian 2974290630Savos txd->txdw5 |= htole32(0x0001ff00); 2975290630Savos } else /* IEEE80211_FC0_TYPE_MGT */ 2976290630Savos qsel = R92C_TXDW1_QSEL_MGNT; 2977251538Srpaulo } else { 2978290630Savos macid = URTWN_MACID_BC; 2979290630Savos qsel = R92C_TXDW1_QSEL_MGNT; 2980290630Savos } 2981251538Srpaulo 2982290630Savos txd->txdw1 |= htole32( 2983290630Savos SM(R92C_TXDW1_QSEL, qsel) | 2984290630Savos SM(R92C_TXDW1_RAID, raid)); 2985290630Savos 2986297175Sadrian /* XXX TODO: 40MHZ flag? */ 2987297175Sadrian /* XXX TODO: AMPDU flag? (AGG_ENABLE or AGG_BREAK?) Density shift? */ 2988297175Sadrian /* XXX Short preamble? */ 2989297175Sadrian /* XXX Short-GI? */ 2990297175Sadrian 2991290630Savos if (sc->chip & URTWN_CHIP_88E) 2992290630Savos txd->txdw1 |= htole32(SM(R88E_TXDW1_MACID, macid)); 2993290630Savos else 2994290630Savos txd->txdw1 |= htole32(SM(R92C_TXDW1_MACID, macid)); 2995290630Savos 2996290630Savos txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, ridx)); 2997297175Sadrian 2998291858Savos /* Force this rate if needed. */ 2999292167Savos if (URTWN_CHIP_HAS_RATECTL(sc) || ismcast || 3000297175Sadrian (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) || 3001292167Savos (m->m_flags & M_EAPOL) || type != IEEE80211_FC0_TYPE_DATA) 3002251538Srpaulo txd->txdw4 |= htole32(R92C_TXDW4_DRVRATE); 3003251538Srpaulo 3004292014Savos if (!hasqos) { 3005251538Srpaulo /* Use HW sequence numbering for non-QoS frames. */ 3006291858Savos if (sc->chip & URTWN_CHIP_88E) 3007291858Savos txd->txdseq = htole16(R88E_TXDSEQ_HWSEQ_EN); 3008291858Savos else 3009291858Savos txd->txdw4 |= htole32(R92C_TXDW4_HWSEQ_EN); 3010290630Savos } else { 3011290630Savos /* Set sequence number. */ 3012290630Savos txd->txdseq = htole16(M_SEQNO_GET(m) % IEEE80211_SEQ_RANGE); 3013290630Savos } 3014251538Srpaulo 3015292175Savos if (k != NULL && !(k->wk_flags & IEEE80211_KEY_SWCRYPT)) { 3016292175Savos uint8_t cipher; 3017292175Savos 3018292175Savos switch (k->wk_cipher->ic_cipher) { 3019292175Savos case IEEE80211_CIPHER_WEP: 3020292175Savos case IEEE80211_CIPHER_TKIP: 3021292175Savos cipher = R92C_TXDW1_CIPHER_RC4; 3022292175Savos break; 3023292175Savos case IEEE80211_CIPHER_AES_CCM: 3024292175Savos cipher = R92C_TXDW1_CIPHER_AES; 3025292175Savos break; 3026292175Savos default: 3027292175Savos device_printf(sc->sc_dev, "%s: unknown cipher %d\n", 3028292175Savos __func__, k->wk_cipher->ic_cipher); 3029292175Savos return (EINVAL); 3030292175Savos } 3031292175Savos 3032292175Savos txd->txdw1 |= htole32(SM(R92C_TXDW1_CIPHER, cipher)); 3033292175Savos } 3034292175Savos 3035251538Srpaulo if (ieee80211_radiotap_active_vap(vap)) { 3036251538Srpaulo struct urtwn_tx_radiotap_header *tap = &sc->sc_txtap; 3037251538Srpaulo 3038251538Srpaulo tap->wt_flags = 0; 3039290630Savos if (k != NULL) 3040290630Savos tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 3041290630Savos ieee80211_radiotap_tx(vap, m); 3042251538Srpaulo } 3043251538Srpaulo 3044290630Savos data->ni = ni; 3045251538Srpaulo 3046290630Savos urtwn_tx_start(sc, m, type, data); 3047290630Savos 3048290630Savos return (0); 3049290630Savos} 3050290630Savos 3051292221Savosstatic int 3052292221Savosurtwn_tx_raw(struct urtwn_softc *sc, struct ieee80211_node *ni, 3053292221Savos struct mbuf *m, struct urtwn_data *data, 3054292221Savos const struct ieee80211_bpf_params *params) 3055292221Savos{ 3056292221Savos struct ieee80211vap *vap = ni->ni_vap; 3057292221Savos struct ieee80211_key *k = NULL; 3058292221Savos struct ieee80211_frame *wh; 3059292221Savos struct r92c_tx_desc *txd; 3060292221Savos uint8_t cipher, ridx, type; 3061292221Savos 3062292221Savos /* Encrypt the frame if need be. */ 3063292221Savos cipher = R92C_TXDW1_CIPHER_NONE; 3064292221Savos if (params->ibp_flags & IEEE80211_BPF_CRYPTO) { 3065292221Savos /* Retrieve key for TX. */ 3066292221Savos k = ieee80211_crypto_encap(ni, m); 3067292221Savos if (k == NULL) 3068292221Savos return (ENOBUFS); 3069292221Savos 3070292221Savos if (!(k->wk_flags & IEEE80211_KEY_SWCRYPT)) { 3071292221Savos switch (k->wk_cipher->ic_cipher) { 3072292221Savos case IEEE80211_CIPHER_WEP: 3073292221Savos case IEEE80211_CIPHER_TKIP: 3074292221Savos cipher = R92C_TXDW1_CIPHER_RC4; 3075292221Savos break; 3076292221Savos case IEEE80211_CIPHER_AES_CCM: 3077292221Savos cipher = R92C_TXDW1_CIPHER_AES; 3078292221Savos break; 3079292221Savos default: 3080292221Savos device_printf(sc->sc_dev, 3081292221Savos "%s: unknown cipher %d\n", 3082292221Savos __func__, k->wk_cipher->ic_cipher); 3083292221Savos return (EINVAL); 3084292221Savos } 3085292221Savos } 3086292221Savos } 3087292221Savos 3088297175Sadrian /* XXX TODO: 11n checks, matching urtwn_tx_data() */ 3089297175Sadrian 3090292221Savos wh = mtod(m, struct ieee80211_frame *); 3091292221Savos type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 3092292221Savos 3093292221Savos /* Fill Tx descriptor. */ 3094292221Savos txd = (struct r92c_tx_desc *)data->buf; 3095292221Savos memset(txd, 0, sizeof(*txd)); 3096292221Savos 3097292221Savos txd->txdw0 |= htole32( 3098292221Savos SM(R92C_TXDW0_OFFSET, sizeof(*txd)) | 3099292221Savos R92C_TXDW0_OWN | R92C_TXDW0_FSG | R92C_TXDW0_LSG); 3100292221Savos if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 3101292221Savos txd->txdw0 |= htole32(R92C_TXDW0_BMCAST); 3102292221Savos 3103292221Savos if (params->ibp_flags & IEEE80211_BPF_RTS) 3104292221Savos txd->txdw4 |= htole32(R92C_TXDW4_RTSEN); 3105292221Savos if (params->ibp_flags & IEEE80211_BPF_CTS) 3106292221Savos txd->txdw4 |= htole32(R92C_TXDW4_CTS2SELF); 3107292221Savos if (txd->txdw4 & htole32(R92C_TXDW4_RTSEN | R92C_TXDW4_CTS2SELF)) { 3108292221Savos txd->txdw4 |= htole32(R92C_TXDW4_HWRTSEN); 3109292221Savos txd->txdw4 |= htole32(SM(R92C_TXDW4_RTSRATE, 3110292221Savos URTWN_RIDX_OFDM24)); 3111292221Savos } 3112292221Savos 3113292221Savos if (sc->chip & URTWN_CHIP_88E) 3114292221Savos txd->txdw1 |= htole32(SM(R88E_TXDW1_MACID, URTWN_MACID_BC)); 3115292221Savos else 3116292221Savos txd->txdw1 |= htole32(SM(R92C_TXDW1_MACID, URTWN_MACID_BC)); 3117292221Savos 3118297175Sadrian /* XXX TODO: rate index/config (RAID) for 11n? */ 3119292221Savos txd->txdw1 |= htole32(SM(R92C_TXDW1_QSEL, R92C_TXDW1_QSEL_MGNT)); 3120292221Savos txd->txdw1 |= htole32(SM(R92C_TXDW1_CIPHER, cipher)); 3121292221Savos 3122292221Savos /* Choose a TX rate index. */ 3123292221Savos ridx = rate2ridx(params->ibp_rate0); 3124292221Savos txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, ridx)); 3125292221Savos txd->txdw5 |= htole32(0x0001ff00); 3126292221Savos txd->txdw4 |= htole32(R92C_TXDW4_DRVRATE); 3127292221Savos 3128292221Savos if (!IEEE80211_QOS_HAS_SEQ(wh)) { 3129292221Savos /* Use HW sequence numbering for non-QoS frames. */ 3130292221Savos if (sc->chip & URTWN_CHIP_88E) 3131292221Savos txd->txdseq = htole16(R88E_TXDSEQ_HWSEQ_EN); 3132292221Savos else 3133292221Savos txd->txdw4 |= htole32(R92C_TXDW4_HWSEQ_EN); 3134292221Savos } else { 3135292221Savos /* Set sequence number. */ 3136292221Savos txd->txdseq = htole16(M_SEQNO_GET(m) % IEEE80211_SEQ_RANGE); 3137292221Savos } 3138292221Savos 3139292221Savos if (ieee80211_radiotap_active_vap(vap)) { 3140292221Savos struct urtwn_tx_radiotap_header *tap = &sc->sc_txtap; 3141292221Savos 3142292221Savos tap->wt_flags = 0; 3143292221Savos if (k != NULL) 3144292221Savos tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 3145292221Savos ieee80211_radiotap_tx(vap, m); 3146292221Savos } 3147292221Savos 3148292221Savos data->ni = ni; 3149292221Savos 3150292221Savos urtwn_tx_start(sc, m, type, data); 3151292221Savos 3152292221Savos return (0); 3153292221Savos} 3154292221Savos 3155290630Savosstatic void 3156290630Savosurtwn_tx_start(struct urtwn_softc *sc, struct mbuf *m, uint8_t type, 3157290630Savos struct urtwn_data *data) 3158290630Savos{ 3159290630Savos struct usb_xfer *xfer; 3160290630Savos struct r92c_tx_desc *txd; 3161290630Savos uint16_t ac, sum; 3162290630Savos int i, xferlen; 3163290630Savos 3164290630Savos URTWN_ASSERT_LOCKED(sc); 3165290630Savos 3166290630Savos ac = M_WME_GETAC(m); 3167290630Savos 3168290630Savos switch (type) { 3169290630Savos case IEEE80211_FC0_TYPE_CTL: 3170290630Savos case IEEE80211_FC0_TYPE_MGT: 3171290630Savos xfer = sc->sc_xfer[URTWN_BULK_TX_VO]; 3172290630Savos break; 3173290630Savos default: 3174292014Savos xfer = sc->sc_xfer[wme2queue[ac].qid]; 3175290630Savos break; 3176290630Savos } 3177290630Savos 3178290630Savos txd = (struct r92c_tx_desc *)data->buf; 3179290630Savos txd->txdw0 |= htole32(SM(R92C_TXDW0_PKTLEN, m->m_pkthdr.len)); 3180290630Savos 3181290630Savos /* Compute Tx descriptor checksum. */ 3182290630Savos sum = 0; 3183290630Savos for (i = 0; i < sizeof(*txd) / 2; i++) 3184290630Savos sum ^= ((uint16_t *)txd)[i]; 3185290630Savos txd->txdsum = sum; /* NB: already little endian. */ 3186290630Savos 3187290630Savos xferlen = sizeof(*txd) + m->m_pkthdr.len; 3188290630Savos m_copydata(m, 0, m->m_pkthdr.len, (caddr_t)&txd[1]); 3189290630Savos 3190251538Srpaulo data->buflen = xferlen; 3191290630Savos data->m = m; 3192251538Srpaulo 3193251538Srpaulo STAILQ_INSERT_TAIL(&sc->sc_tx_pending, data, next); 3194251538Srpaulo usbd_transfer_start(xfer); 3195251538Srpaulo} 3196251538Srpaulo 3197287197Sglebiusstatic int 3198287197Sglebiusurtwn_transmit(struct ieee80211com *ic, struct mbuf *m) 3199251538Srpaulo{ 3200287197Sglebius struct urtwn_softc *sc = ic->ic_softc; 3201287197Sglebius int error; 3202261863Srpaulo 3203261863Srpaulo URTWN_LOCK(sc); 3204287197Sglebius if ((sc->sc_flags & URTWN_RUNNING) == 0) { 3205287197Sglebius URTWN_UNLOCK(sc); 3206287197Sglebius return (ENXIO); 3207287197Sglebius } 3208287197Sglebius error = mbufq_enqueue(&sc->sc_snd, m); 3209287197Sglebius if (error) { 3210287197Sglebius URTWN_UNLOCK(sc); 3211287197Sglebius return (error); 3212287197Sglebius } 3213287197Sglebius urtwn_start(sc); 3214261863Srpaulo URTWN_UNLOCK(sc); 3215287197Sglebius 3216287197Sglebius return (0); 3217261863Srpaulo} 3218261863Srpaulo 3219261863Srpaulostatic void 3220287197Sglebiusurtwn_start(struct urtwn_softc *sc) 3221261863Srpaulo{ 3222251538Srpaulo struct ieee80211_node *ni; 3223251538Srpaulo struct mbuf *m; 3224251538Srpaulo struct urtwn_data *bf; 3225251538Srpaulo 3226261863Srpaulo URTWN_ASSERT_LOCKED(sc); 3227287197Sglebius while ((m = mbufq_dequeue(&sc->sc_snd)) != NULL) { 3228251538Srpaulo bf = urtwn_getbuf(sc); 3229251538Srpaulo if (bf == NULL) { 3230287197Sglebius mbufq_prepend(&sc->sc_snd, m); 3231251538Srpaulo break; 3232251538Srpaulo } 3233251538Srpaulo ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 3234251538Srpaulo m->m_pkthdr.rcvif = NULL; 3235297596Sadrian 3236297596Sadrian URTWN_DPRINTF(sc, URTWN_DEBUG_XMIT, "%s: called; m=%p\n", 3237297596Sadrian __func__, 3238297596Sadrian m); 3239297596Sadrian 3240290630Savos if (urtwn_tx_data(sc, ni, m, bf) != 0) { 3241287197Sglebius if_inc_counter(ni->ni_vap->iv_ifp, 3242287197Sglebius IFCOUNTER_OERRORS, 1); 3243251538Srpaulo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next); 3244288353Sadrian m_freem(m); 3245251538Srpaulo ieee80211_free_node(ni); 3246251538Srpaulo break; 3247251538Srpaulo } 3248251538Srpaulo sc->sc_txtimer = 5; 3249251538Srpaulo callout_reset(&sc->sc_watchdog_ch, hz, urtwn_watchdog, sc); 3250251538Srpaulo } 3251251538Srpaulo} 3252251538Srpaulo 3253287197Sglebiusstatic void 3254287197Sglebiusurtwn_parent(struct ieee80211com *ic) 3255251538Srpaulo{ 3256286949Sadrian struct urtwn_softc *sc = ic->ic_softc; 3257251538Srpaulo 3258263153Skevlo URTWN_LOCK(sc); 3259287197Sglebius if (sc->sc_flags & URTWN_DETACHED) { 3260287197Sglebius URTWN_UNLOCK(sc); 3261287197Sglebius return; 3262287197Sglebius } 3263291698Savos URTWN_UNLOCK(sc); 3264291698Savos 3265287197Sglebius if (ic->ic_nrunning > 0) { 3266291698Savos if (urtwn_init(sc) != 0) { 3267291698Savos struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3268291698Savos if (vap != NULL) 3269291698Savos ieee80211_stop(vap); 3270291698Savos } else 3271291698Savos ieee80211_start_all(ic); 3272291698Savos } else 3273287197Sglebius urtwn_stop(sc); 3274251538Srpaulo} 3275251538Srpaulo 3276264912Skevlostatic __inline int 3277251538Srpaulourtwn_power_on(struct urtwn_softc *sc) 3278251538Srpaulo{ 3279264912Skevlo 3280264912Skevlo return sc->sc_power_on(sc); 3281264912Skevlo} 3282264912Skevlo 3283264912Skevlostatic int 3284264912Skevlourtwn_r92c_power_on(struct urtwn_softc *sc) 3285264912Skevlo{ 3286251538Srpaulo uint32_t reg; 3287291698Savos usb_error_t error; 3288251538Srpaulo int ntries; 3289251538Srpaulo 3290251538Srpaulo /* Wait for autoload done bit. */ 3291251538Srpaulo for (ntries = 0; ntries < 1000; ntries++) { 3292251538Srpaulo if (urtwn_read_1(sc, R92C_APS_FSMCO) & R92C_APS_FSMCO_PFM_ALDN) 3293251538Srpaulo break; 3294266472Shselasky urtwn_ms_delay(sc); 3295251538Srpaulo } 3296251538Srpaulo if (ntries == 1000) { 3297251538Srpaulo device_printf(sc->sc_dev, 3298251538Srpaulo "timeout waiting for chip autoload\n"); 3299251538Srpaulo return (ETIMEDOUT); 3300251538Srpaulo } 3301251538Srpaulo 3302251538Srpaulo /* Unlock ISO/CLK/Power control register. */ 3303291698Savos error = urtwn_write_1(sc, R92C_RSV_CTRL, 0); 3304291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 3305291698Savos return (EIO); 3306251538Srpaulo /* Move SPS into PWM mode. */ 3307291698Savos error = urtwn_write_1(sc, R92C_SPS0_CTRL, 0x2b); 3308291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 3309291698Savos return (EIO); 3310266472Shselasky urtwn_ms_delay(sc); 3311251538Srpaulo 3312251538Srpaulo reg = urtwn_read_1(sc, R92C_LDOV12D_CTRL); 3313251538Srpaulo if (!(reg & R92C_LDOV12D_CTRL_LDV12_EN)) { 3314291698Savos error = urtwn_write_1(sc, R92C_LDOV12D_CTRL, 3315251538Srpaulo reg | R92C_LDOV12D_CTRL_LDV12_EN); 3316291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 3317291698Savos return (EIO); 3318266472Shselasky urtwn_ms_delay(sc); 3319291698Savos error = urtwn_write_1(sc, R92C_SYS_ISO_CTRL, 3320251538Srpaulo urtwn_read_1(sc, R92C_SYS_ISO_CTRL) & 3321251538Srpaulo ~R92C_SYS_ISO_CTRL_MD2PP); 3322291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 3323291698Savos return (EIO); 3324251538Srpaulo } 3325251538Srpaulo 3326251538Srpaulo /* Auto enable WLAN. */ 3327291698Savos error = urtwn_write_2(sc, R92C_APS_FSMCO, 3328251538Srpaulo urtwn_read_2(sc, R92C_APS_FSMCO) | R92C_APS_FSMCO_APFM_ONMAC); 3329291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 3330291698Savos return (EIO); 3331251538Srpaulo for (ntries = 0; ntries < 1000; ntries++) { 3332262822Skevlo if (!(urtwn_read_2(sc, R92C_APS_FSMCO) & 3333262822Skevlo R92C_APS_FSMCO_APFM_ONMAC)) 3334251538Srpaulo break; 3335266472Shselasky urtwn_ms_delay(sc); 3336251538Srpaulo } 3337251538Srpaulo if (ntries == 1000) { 3338251538Srpaulo device_printf(sc->sc_dev, 3339251538Srpaulo "timeout waiting for MAC auto ON\n"); 3340251538Srpaulo return (ETIMEDOUT); 3341251538Srpaulo } 3342251538Srpaulo 3343251538Srpaulo /* Enable radio, GPIO and LED functions. */ 3344291698Savos error = urtwn_write_2(sc, R92C_APS_FSMCO, 3345251538Srpaulo R92C_APS_FSMCO_AFSM_HSUS | 3346251538Srpaulo R92C_APS_FSMCO_PDN_EN | 3347251538Srpaulo R92C_APS_FSMCO_PFM_ALDN); 3348291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 3349291698Savos return (EIO); 3350251538Srpaulo /* Release RF digital isolation. */ 3351291698Savos error = urtwn_write_2(sc, R92C_SYS_ISO_CTRL, 3352251538Srpaulo urtwn_read_2(sc, R92C_SYS_ISO_CTRL) & ~R92C_SYS_ISO_CTRL_DIOR); 3353291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 3354291698Savos return (EIO); 3355251538Srpaulo 3356251538Srpaulo /* Initialize MAC. */ 3357291698Savos error = urtwn_write_1(sc, R92C_APSD_CTRL, 3358251538Srpaulo urtwn_read_1(sc, R92C_APSD_CTRL) & ~R92C_APSD_CTRL_OFF); 3359291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 3360291698Savos return (EIO); 3361251538Srpaulo for (ntries = 0; ntries < 200; ntries++) { 3362251538Srpaulo if (!(urtwn_read_1(sc, R92C_APSD_CTRL) & 3363251538Srpaulo R92C_APSD_CTRL_OFF_STATUS)) 3364251538Srpaulo break; 3365266472Shselasky urtwn_ms_delay(sc); 3366251538Srpaulo } 3367251538Srpaulo if (ntries == 200) { 3368251538Srpaulo device_printf(sc->sc_dev, 3369251538Srpaulo "timeout waiting for MAC initialization\n"); 3370251538Srpaulo return (ETIMEDOUT); 3371251538Srpaulo } 3372251538Srpaulo 3373251538Srpaulo /* Enable MAC DMA/WMAC/SCHEDULE/SEC blocks. */ 3374251538Srpaulo reg = urtwn_read_2(sc, R92C_CR); 3375251538Srpaulo reg |= R92C_CR_HCI_TXDMA_EN | R92C_CR_HCI_RXDMA_EN | 3376251538Srpaulo R92C_CR_TXDMA_EN | R92C_CR_RXDMA_EN | R92C_CR_PROTOCOL_EN | 3377251538Srpaulo R92C_CR_SCHEDULE_EN | R92C_CR_MACTXEN | R92C_CR_MACRXEN | 3378251538Srpaulo R92C_CR_ENSEC; 3379291698Savos error = urtwn_write_2(sc, R92C_CR, reg); 3380291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 3381291698Savos return (EIO); 3382251538Srpaulo 3383291698Savos error = urtwn_write_1(sc, 0xfe10, 0x19); 3384291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 3385291698Savos return (EIO); 3386251538Srpaulo return (0); 3387251538Srpaulo} 3388251538Srpaulo 3389251538Srpaulostatic int 3390264912Skevlourtwn_r88e_power_on(struct urtwn_softc *sc) 3391264912Skevlo{ 3392264912Skevlo uint32_t reg; 3393291698Savos usb_error_t error; 3394264912Skevlo int ntries; 3395264912Skevlo 3396264912Skevlo /* Wait for power ready bit. */ 3397264912Skevlo for (ntries = 0; ntries < 5000; ntries++) { 3398281918Skevlo if (urtwn_read_4(sc, R92C_APS_FSMCO) & R92C_APS_FSMCO_SUS_HOST) 3399264912Skevlo break; 3400266472Shselasky urtwn_ms_delay(sc); 3401264912Skevlo } 3402264912Skevlo if (ntries == 5000) { 3403264912Skevlo device_printf(sc->sc_dev, 3404264912Skevlo "timeout waiting for chip power up\n"); 3405264912Skevlo return (ETIMEDOUT); 3406264912Skevlo } 3407264912Skevlo 3408264912Skevlo /* Reset BB. */ 3409291698Savos error = urtwn_write_1(sc, R92C_SYS_FUNC_EN, 3410264912Skevlo urtwn_read_1(sc, R92C_SYS_FUNC_EN) & ~(R92C_SYS_FUNC_EN_BBRSTB | 3411264912Skevlo R92C_SYS_FUNC_EN_BB_GLB_RST)); 3412291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 3413291698Savos return (EIO); 3414264912Skevlo 3415291698Savos error = urtwn_write_1(sc, R92C_AFE_XTAL_CTRL + 2, 3416281918Skevlo urtwn_read_1(sc, R92C_AFE_XTAL_CTRL + 2) | 0x80); 3417291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 3418291698Savos return (EIO); 3419264912Skevlo 3420264912Skevlo /* Disable HWPDN. */ 3421291698Savos error = urtwn_write_2(sc, R92C_APS_FSMCO, 3422281918Skevlo urtwn_read_2(sc, R92C_APS_FSMCO) & ~R92C_APS_FSMCO_APDM_HPDN); 3423291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 3424291698Savos return (EIO); 3425264912Skevlo 3426264912Skevlo /* Disable WL suspend. */ 3427291698Savos error = urtwn_write_2(sc, R92C_APS_FSMCO, 3428281918Skevlo urtwn_read_2(sc, R92C_APS_FSMCO) & 3429281918Skevlo ~(R92C_APS_FSMCO_AFSM_HSUS | R92C_APS_FSMCO_AFSM_PCIE)); 3430291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 3431291698Savos return (EIO); 3432264912Skevlo 3433291698Savos error = urtwn_write_2(sc, R92C_APS_FSMCO, 3434281918Skevlo urtwn_read_2(sc, R92C_APS_FSMCO) | R92C_APS_FSMCO_APFM_ONMAC); 3435291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 3436291698Savos return (EIO); 3437264912Skevlo for (ntries = 0; ntries < 5000; ntries++) { 3438281918Skevlo if (!(urtwn_read_2(sc, R92C_APS_FSMCO) & 3439281918Skevlo R92C_APS_FSMCO_APFM_ONMAC)) 3440264912Skevlo break; 3441266472Shselasky urtwn_ms_delay(sc); 3442264912Skevlo } 3443264912Skevlo if (ntries == 5000) 3444264912Skevlo return (ETIMEDOUT); 3445264912Skevlo 3446264912Skevlo /* Enable LDO normal mode. */ 3447291698Savos error = urtwn_write_1(sc, R92C_LPLDO_CTRL, 3448295874Savos urtwn_read_1(sc, R92C_LPLDO_CTRL) & ~R92C_LPLDO_CTRL_SLEEP); 3449291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 3450291698Savos return (EIO); 3451264912Skevlo 3452264912Skevlo /* Enable MAC DMA/WMAC/SCHEDULE/SEC blocks. */ 3453291698Savos error = urtwn_write_2(sc, R92C_CR, 0); 3454291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 3455291698Savos return (EIO); 3456264912Skevlo reg = urtwn_read_2(sc, R92C_CR); 3457264912Skevlo reg |= R92C_CR_HCI_TXDMA_EN | R92C_CR_HCI_RXDMA_EN | 3458264912Skevlo R92C_CR_TXDMA_EN | R92C_CR_RXDMA_EN | R92C_CR_PROTOCOL_EN | 3459264912Skevlo R92C_CR_SCHEDULE_EN | R92C_CR_ENSEC | R92C_CR_CALTMR_EN; 3460291698Savos error = urtwn_write_2(sc, R92C_CR, reg); 3461291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 3462291698Savos return (EIO); 3463264912Skevlo 3464264912Skevlo return (0); 3465264912Skevlo} 3466264912Skevlo 3467295874Savosstatic __inline void 3468295874Savosurtwn_power_off(struct urtwn_softc *sc) 3469295874Savos{ 3470295874Savos 3471295874Savos return sc->sc_power_off(sc); 3472295874Savos} 3473295874Savos 3474295874Savosstatic void 3475295874Savosurtwn_r92c_power_off(struct urtwn_softc *sc) 3476295874Savos{ 3477295874Savos uint32_t reg; 3478295874Savos 3479295874Savos /* Block all Tx queues. */ 3480295874Savos urtwn_write_1(sc, R92C_TXPAUSE, R92C_TX_QUEUE_ALL); 3481295874Savos 3482295874Savos /* Disable RF */ 3483295874Savos urtwn_rf_write(sc, 0, 0, 0); 3484295874Savos 3485295874Savos urtwn_write_1(sc, R92C_APSD_CTRL, R92C_APSD_CTRL_OFF); 3486295874Savos 3487295874Savos /* Reset BB state machine */ 3488295874Savos urtwn_write_1(sc, R92C_SYS_FUNC_EN, 3489295874Savos R92C_SYS_FUNC_EN_USBD | R92C_SYS_FUNC_EN_USBA | 3490295874Savos R92C_SYS_FUNC_EN_BB_GLB_RST); 3491295874Savos urtwn_write_1(sc, R92C_SYS_FUNC_EN, 3492295874Savos R92C_SYS_FUNC_EN_USBD | R92C_SYS_FUNC_EN_USBA); 3493295874Savos 3494295874Savos /* 3495295874Savos * Reset digital sequence 3496295874Savos */ 3497295874Savos#ifndef URTWN_WITHOUT_UCODE 3498295874Savos if (urtwn_read_1(sc, R92C_MCUFWDL) & R92C_MCUFWDL_RDY) { 3499295874Savos /* Reset MCU ready status */ 3500295874Savos urtwn_write_1(sc, R92C_MCUFWDL, 0); 3501295874Savos 3502295874Savos /* If firmware in ram code, do reset */ 3503295874Savos urtwn_fw_reset(sc); 3504295874Savos } 3505295874Savos#endif 3506295874Savos 3507295874Savos /* Reset MAC and Enable 8051 */ 3508295874Savos urtwn_write_1(sc, R92C_SYS_FUNC_EN + 1, 3509295874Savos (R92C_SYS_FUNC_EN_CPUEN | 3510295874Savos R92C_SYS_FUNC_EN_ELDR | 3511295874Savos R92C_SYS_FUNC_EN_HWPDN) >> 8); 3512295874Savos 3513295874Savos /* Reset MCU ready status */ 3514295874Savos urtwn_write_1(sc, R92C_MCUFWDL, 0); 3515295874Savos 3516295874Savos /* Disable MAC clock */ 3517295874Savos urtwn_write_2(sc, R92C_SYS_CLKR, 3518295874Savos R92C_SYS_CLKR_ANAD16V_EN | 3519295874Savos R92C_SYS_CLKR_ANA8M | 3520295874Savos R92C_SYS_CLKR_LOADER_EN | 3521295874Savos R92C_SYS_CLKR_80M_SSC_DIS | 3522295874Savos R92C_SYS_CLKR_SYS_EN | 3523295874Savos R92C_SYS_CLKR_RING_EN | 3524295874Savos 0x4000); 3525295874Savos 3526295874Savos /* Disable AFE PLL */ 3527295874Savos urtwn_write_1(sc, R92C_AFE_PLL_CTRL, 0x80); 3528295874Savos 3529295874Savos /* Gated AFE DIG_CLOCK */ 3530295874Savos urtwn_write_2(sc, R92C_AFE_XTAL_CTRL, 0x880F); 3531295874Savos 3532295874Savos /* Isolated digital to PON */ 3533295874Savos urtwn_write_1(sc, R92C_SYS_ISO_CTRL, 3534295874Savos R92C_SYS_ISO_CTRL_MD2PP | 3535295874Savos R92C_SYS_ISO_CTRL_PA2PCIE | 3536295874Savos R92C_SYS_ISO_CTRL_PD2CORE | 3537295874Savos R92C_SYS_ISO_CTRL_IP2MAC | 3538295874Savos R92C_SYS_ISO_CTRL_DIOP | 3539295874Savos R92C_SYS_ISO_CTRL_DIOE); 3540295874Savos 3541295874Savos /* 3542295874Savos * Pull GPIO PIN to balance level and LED control 3543295874Savos */ 3544295874Savos /* 1. Disable GPIO[7:0] */ 3545295874Savos urtwn_write_2(sc, R92C_GPIO_IOSEL, 0x0000); 3546295874Savos 3547295874Savos reg = urtwn_read_4(sc, R92C_GPIO_PIN_CTRL) & ~0x0000ff00; 3548295874Savos reg |= ((reg << 8) & 0x0000ff00) | 0x00ff0000; 3549295874Savos urtwn_write_4(sc, R92C_GPIO_PIN_CTRL, reg); 3550295874Savos 3551295874Savos /* Disable GPIO[10:8] */ 3552295874Savos urtwn_write_1(sc, R92C_MAC_PINMUX_CFG, 0x00); 3553295874Savos 3554295874Savos reg = urtwn_read_2(sc, R92C_GPIO_IO_SEL) & ~0x00f0; 3555295874Savos reg |= (((reg & 0x000f) << 4) | 0x0780); 3556295874Savos urtwn_write_2(sc, R92C_GPIO_IO_SEL, reg); 3557295874Savos 3558295874Savos /* Disable LED0 & 1 */ 3559295874Savos urtwn_write_2(sc, R92C_LEDCFG0, 0x8080); 3560295874Savos 3561295874Savos /* 3562295874Savos * Reset digital sequence 3563295874Savos */ 3564295874Savos /* Disable ELDR clock */ 3565295874Savos urtwn_write_2(sc, R92C_SYS_CLKR, 3566295874Savos R92C_SYS_CLKR_ANAD16V_EN | 3567295874Savos R92C_SYS_CLKR_ANA8M | 3568295874Savos R92C_SYS_CLKR_LOADER_EN | 3569295874Savos R92C_SYS_CLKR_80M_SSC_DIS | 3570295874Savos R92C_SYS_CLKR_SYS_EN | 3571295874Savos R92C_SYS_CLKR_RING_EN | 3572295874Savos 0x4000); 3573295874Savos 3574295874Savos /* Isolated ELDR to PON */ 3575295874Savos urtwn_write_1(sc, R92C_SYS_ISO_CTRL + 1, 3576295874Savos (R92C_SYS_ISO_CTRL_DIOR | 3577295874Savos R92C_SYS_ISO_CTRL_PWC_EV12V) >> 8); 3578295874Savos 3579295874Savos /* 3580295874Savos * Disable analog sequence 3581295874Savos */ 3582295874Savos /* Disable A15 power */ 3583295874Savos urtwn_write_1(sc, R92C_LDOA15_CTRL, R92C_LDOA15_CTRL_OBUF); 3584295874Savos /* Disable digital core power */ 3585295874Savos urtwn_write_1(sc, R92C_LDOV12D_CTRL, 3586295874Savos urtwn_read_1(sc, R92C_LDOV12D_CTRL) & 3587295874Savos ~R92C_LDOV12D_CTRL_LDV12_EN); 3588295874Savos 3589295874Savos /* Enter PFM mode */ 3590295874Savos urtwn_write_1(sc, R92C_SPS0_CTRL, 0x23); 3591295874Savos 3592295874Savos /* Set USB suspend */ 3593295874Savos urtwn_write_2(sc, R92C_APS_FSMCO, 3594295874Savos R92C_APS_FSMCO_APDM_HOST | 3595295874Savos R92C_APS_FSMCO_AFSM_HSUS | 3596295874Savos R92C_APS_FSMCO_PFM_ALDN); 3597295874Savos 3598295874Savos /* Lock ISO/CLK/Power control register. */ 3599295874Savos urtwn_write_1(sc, R92C_RSV_CTRL, 0x0E); 3600295874Savos} 3601295874Savos 3602295874Savosstatic void 3603295874Savosurtwn_r88e_power_off(struct urtwn_softc *sc) 3604295874Savos{ 3605295874Savos uint8_t reg; 3606295874Savos int ntries; 3607295874Savos 3608295874Savos /* Disable any kind of TX reports. */ 3609295874Savos urtwn_write_1(sc, R88E_TX_RPT_CTRL, 3610295874Savos urtwn_read_1(sc, R88E_TX_RPT_CTRL) & 3611295874Savos ~(R88E_TX_RPT1_ENA | R88E_TX_RPT2_ENA)); 3612295874Savos 3613295874Savos /* Stop Rx. */ 3614295874Savos urtwn_write_1(sc, R92C_CR, 0); 3615295874Savos 3616295874Savos /* Move card to Low Power State. */ 3617295874Savos /* Block all Tx queues. */ 3618295874Savos urtwn_write_1(sc, R92C_TXPAUSE, R92C_TX_QUEUE_ALL); 3619295874Savos 3620295874Savos for (ntries = 0; ntries < 20; ntries++) { 3621295874Savos /* Should be zero if no packet is transmitting. */ 3622295874Savos if (urtwn_read_4(sc, R88E_SCH_TXCMD) == 0) 3623295874Savos break; 3624295874Savos 3625295874Savos urtwn_ms_delay(sc); 3626295874Savos } 3627295874Savos if (ntries == 20) { 3628295874Savos device_printf(sc->sc_dev, "%s: failed to block Tx queues\n", 3629295874Savos __func__); 3630295874Savos return; 3631295874Savos } 3632295874Savos 3633295874Savos /* CCK and OFDM are disabled, and clock are gated. */ 3634295874Savos urtwn_write_1(sc, R92C_SYS_FUNC_EN, 3635295874Savos urtwn_read_1(sc, R92C_SYS_FUNC_EN) & ~R92C_SYS_FUNC_EN_BBRSTB); 3636295874Savos 3637295874Savos urtwn_ms_delay(sc); 3638295874Savos 3639295874Savos /* Reset MAC TRX */ 3640295874Savos urtwn_write_1(sc, R92C_CR, 3641295874Savos R92C_CR_HCI_TXDMA_EN | R92C_CR_HCI_RXDMA_EN | 3642295874Savos R92C_CR_TXDMA_EN | R92C_CR_RXDMA_EN | 3643295874Savos R92C_CR_PROTOCOL_EN | R92C_CR_SCHEDULE_EN); 3644295874Savos 3645295874Savos /* check if removed later */ 3646295874Savos urtwn_write_1(sc, R92C_CR + 1, 3647295874Savos urtwn_read_1(sc, R92C_CR + 1) & ~(R92C_CR_ENSEC >> 8)); 3648295874Savos 3649295874Savos /* Respond TxOK to scheduler */ 3650295874Savos urtwn_write_1(sc, R92C_DUAL_TSF_RST, 3651295874Savos urtwn_read_1(sc, R92C_DUAL_TSF_RST) | 0x20); 3652295874Savos 3653295874Savos /* If firmware in ram code, do reset. */ 3654295874Savos#ifndef URTWN_WITHOUT_UCODE 3655295874Savos if (urtwn_read_1(sc, R92C_MCUFWDL) & R92C_MCUFWDL_RDY) 3656295874Savos urtwn_r88e_fw_reset(sc); 3657295874Savos#endif 3658295874Savos 3659295874Savos /* Reset MCU ready status. */ 3660295874Savos urtwn_write_1(sc, R92C_MCUFWDL, 0x00); 3661295874Savos 3662295874Savos /* Disable 32k. */ 3663295874Savos urtwn_write_1(sc, R88E_32K_CTRL, 3664295874Savos urtwn_read_1(sc, R88E_32K_CTRL) & ~0x01); 3665295874Savos 3666295874Savos /* Move card to Disabled state. */ 3667295874Savos /* Turn off RF. */ 3668295874Savos urtwn_write_1(sc, R92C_RF_CTRL, 0); 3669295874Savos 3670295874Savos /* LDO Sleep mode. */ 3671295874Savos urtwn_write_1(sc, R92C_LPLDO_CTRL, 3672295874Savos urtwn_read_1(sc, R92C_LPLDO_CTRL) | R92C_LPLDO_CTRL_SLEEP); 3673295874Savos 3674295874Savos /* Turn off MAC by HW state machine */ 3675295874Savos urtwn_write_1(sc, R92C_APS_FSMCO + 1, 3676295874Savos urtwn_read_1(sc, R92C_APS_FSMCO + 1) | 3677295874Savos (R92C_APS_FSMCO_APFM_OFF >> 8)); 3678295874Savos 3679295874Savos for (ntries = 0; ntries < 20; ntries++) { 3680295874Savos /* Wait until it will be disabled. */ 3681295874Savos if ((urtwn_read_1(sc, R92C_APS_FSMCO + 1) & 3682295874Savos (R92C_APS_FSMCO_APFM_OFF >> 8)) == 0) 3683295874Savos break; 3684295874Savos 3685295874Savos urtwn_ms_delay(sc); 3686295874Savos } 3687295874Savos if (ntries == 20) { 3688295874Savos device_printf(sc->sc_dev, "%s: could not turn off MAC\n", 3689295874Savos __func__); 3690295874Savos return; 3691295874Savos } 3692295874Savos 3693295874Savos /* schmit trigger */ 3694295874Savos urtwn_write_1(sc, R92C_AFE_XTAL_CTRL + 2, 3695295874Savos urtwn_read_1(sc, R92C_AFE_XTAL_CTRL + 2) | 0x80); 3696295874Savos 3697295874Savos /* Enable WL suspend. */ 3698295874Savos urtwn_write_1(sc, R92C_APS_FSMCO + 1, 3699295874Savos (urtwn_read_1(sc, R92C_APS_FSMCO + 1) & ~0x10) | 0x08); 3700295874Savos 3701295874Savos /* Enable bandgap mbias in suspend. */ 3702295874Savos urtwn_write_1(sc, R92C_APS_FSMCO + 3, 0); 3703295874Savos 3704295874Savos /* Clear SIC_EN register. */ 3705295874Savos urtwn_write_1(sc, R92C_GPIO_MUXCFG + 1, 3706295874Savos urtwn_read_1(sc, R92C_GPIO_MUXCFG + 1) & ~0x10); 3707295874Savos 3708295874Savos /* Set USB suspend enable local register */ 3709295874Savos urtwn_write_1(sc, R92C_USB_SUSPEND, 3710295874Savos urtwn_read_1(sc, R92C_USB_SUSPEND) | 0x10); 3711295874Savos 3712295874Savos /* Reset MCU IO Wrapper. */ 3713295874Savos reg = urtwn_read_1(sc, R92C_RSV_CTRL + 1); 3714295874Savos urtwn_write_1(sc, R92C_RSV_CTRL + 1, reg & ~0x08); 3715295874Savos urtwn_write_1(sc, R92C_RSV_CTRL + 1, reg | 0x08); 3716295874Savos 3717295874Savos /* marked as 'For Power Consumption' code. */ 3718295874Savos urtwn_write_1(sc, R92C_GPIO_OUT, urtwn_read_1(sc, R92C_GPIO_IN)); 3719295874Savos urtwn_write_1(sc, R92C_GPIO_IOSEL, 0xff); 3720295874Savos 3721295874Savos urtwn_write_1(sc, R92C_GPIO_IO_SEL, 3722295874Savos urtwn_read_1(sc, R92C_GPIO_IO_SEL) << 4); 3723295874Savos urtwn_write_1(sc, R92C_GPIO_MOD, 3724295874Savos urtwn_read_1(sc, R92C_GPIO_MOD) | 0x0f); 3725295874Savos 3726295874Savos /* Set LNA, TRSW, EX_PA Pin to output mode. */ 3727295874Savos urtwn_write_4(sc, R88E_BB_PAD_CTRL, 0x00080808); 3728295874Savos} 3729295874Savos 3730264912Skevlostatic int 3731251538Srpaulourtwn_llt_init(struct urtwn_softc *sc) 3732251538Srpaulo{ 3733264912Skevlo int i, error, page_count, pktbuf_count; 3734251538Srpaulo 3735264912Skevlo page_count = (sc->chip & URTWN_CHIP_88E) ? 3736264912Skevlo R88E_TX_PAGE_COUNT : R92C_TX_PAGE_COUNT; 3737264912Skevlo pktbuf_count = (sc->chip & URTWN_CHIP_88E) ? 3738264912Skevlo R88E_TXPKTBUF_COUNT : R92C_TXPKTBUF_COUNT; 3739264912Skevlo 3740264912Skevlo /* Reserve pages [0; page_count]. */ 3741264912Skevlo for (i = 0; i < page_count; i++) { 3742251538Srpaulo if ((error = urtwn_llt_write(sc, i, i + 1)) != 0) 3743251538Srpaulo return (error); 3744251538Srpaulo } 3745251538Srpaulo /* NB: 0xff indicates end-of-list. */ 3746251538Srpaulo if ((error = urtwn_llt_write(sc, i, 0xff)) != 0) 3747251538Srpaulo return (error); 3748251538Srpaulo /* 3749264912Skevlo * Use pages [page_count + 1; pktbuf_count - 1] 3750251538Srpaulo * as ring buffer. 3751251538Srpaulo */ 3752264912Skevlo for (++i; i < pktbuf_count - 1; i++) { 3753251538Srpaulo if ((error = urtwn_llt_write(sc, i, i + 1)) != 0) 3754251538Srpaulo return (error); 3755251538Srpaulo } 3756251538Srpaulo /* Make the last page point to the beginning of the ring buffer. */ 3757264912Skevlo error = urtwn_llt_write(sc, i, page_count + 1); 3758251538Srpaulo return (error); 3759251538Srpaulo} 3760251538Srpaulo 3761295871Savos#ifndef URTWN_WITHOUT_UCODE 3762251538Srpaulostatic void 3763251538Srpaulourtwn_fw_reset(struct urtwn_softc *sc) 3764251538Srpaulo{ 3765251538Srpaulo uint16_t reg; 3766251538Srpaulo int ntries; 3767251538Srpaulo 3768251538Srpaulo /* Tell 8051 to reset itself. */ 3769251538Srpaulo urtwn_write_1(sc, R92C_HMETFR + 3, 0x20); 3770251538Srpaulo 3771251538Srpaulo /* Wait until 8051 resets by itself. */ 3772251538Srpaulo for (ntries = 0; ntries < 100; ntries++) { 3773251538Srpaulo reg = urtwn_read_2(sc, R92C_SYS_FUNC_EN); 3774251538Srpaulo if (!(reg & R92C_SYS_FUNC_EN_CPUEN)) 3775251538Srpaulo return; 3776266472Shselasky urtwn_ms_delay(sc); 3777251538Srpaulo } 3778251538Srpaulo /* Force 8051 reset. */ 3779251538Srpaulo urtwn_write_2(sc, R92C_SYS_FUNC_EN, reg & ~R92C_SYS_FUNC_EN_CPUEN); 3780251538Srpaulo} 3781251538Srpaulo 3782264912Skevlostatic void 3783264912Skevlourtwn_r88e_fw_reset(struct urtwn_softc *sc) 3784264912Skevlo{ 3785264912Skevlo uint16_t reg; 3786264912Skevlo 3787264912Skevlo reg = urtwn_read_2(sc, R92C_SYS_FUNC_EN); 3788264912Skevlo urtwn_write_2(sc, R92C_SYS_FUNC_EN, reg & ~R92C_SYS_FUNC_EN_CPUEN); 3789264912Skevlo urtwn_write_2(sc, R92C_SYS_FUNC_EN, reg | R92C_SYS_FUNC_EN_CPUEN); 3790264912Skevlo} 3791264912Skevlo 3792251538Srpaulostatic int 3793251538Srpaulourtwn_fw_loadpage(struct urtwn_softc *sc, int page, const uint8_t *buf, int len) 3794251538Srpaulo{ 3795251538Srpaulo uint32_t reg; 3796291698Savos usb_error_t error = USB_ERR_NORMAL_COMPLETION; 3797291698Savos int off, mlen; 3798251538Srpaulo 3799251538Srpaulo reg = urtwn_read_4(sc, R92C_MCUFWDL); 3800251538Srpaulo reg = RW(reg, R92C_MCUFWDL_PAGE, page); 3801251538Srpaulo urtwn_write_4(sc, R92C_MCUFWDL, reg); 3802251538Srpaulo 3803251538Srpaulo off = R92C_FW_START_ADDR; 3804251538Srpaulo while (len > 0) { 3805251538Srpaulo if (len > 196) 3806251538Srpaulo mlen = 196; 3807251538Srpaulo else if (len > 4) 3808251538Srpaulo mlen = 4; 3809251538Srpaulo else 3810251538Srpaulo mlen = 1; 3811251538Srpaulo /* XXX fix this deconst */ 3812281069Srpaulo error = urtwn_write_region_1(sc, off, 3813251538Srpaulo __DECONST(uint8_t *, buf), mlen); 3814291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 3815251538Srpaulo break; 3816251538Srpaulo off += mlen; 3817251538Srpaulo buf += mlen; 3818251538Srpaulo len -= mlen; 3819251538Srpaulo } 3820251538Srpaulo return (error); 3821251538Srpaulo} 3822251538Srpaulo 3823251538Srpaulostatic int 3824251538Srpaulourtwn_load_firmware(struct urtwn_softc *sc) 3825251538Srpaulo{ 3826251538Srpaulo const struct firmware *fw; 3827251538Srpaulo const struct r92c_fw_hdr *hdr; 3828251538Srpaulo const char *imagename; 3829251538Srpaulo const u_char *ptr; 3830251538Srpaulo size_t len; 3831251538Srpaulo uint32_t reg; 3832251538Srpaulo int mlen, ntries, page, error; 3833251538Srpaulo 3834264864Skevlo URTWN_UNLOCK(sc); 3835251538Srpaulo /* Read firmware image from the filesystem. */ 3836264912Skevlo if (sc->chip & URTWN_CHIP_88E) 3837264912Skevlo imagename = "urtwn-rtl8188eufw"; 3838264912Skevlo else if ((sc->chip & (URTWN_CHIP_UMC_A_CUT | URTWN_CHIP_92C)) == 3839264912Skevlo URTWN_CHIP_UMC_A_CUT) 3840251538Srpaulo imagename = "urtwn-rtl8192cfwU"; 3841251538Srpaulo else 3842251538Srpaulo imagename = "urtwn-rtl8192cfwT"; 3843251538Srpaulo 3844251538Srpaulo fw = firmware_get(imagename); 3845264864Skevlo URTWN_LOCK(sc); 3846251538Srpaulo if (fw == NULL) { 3847251538Srpaulo device_printf(sc->sc_dev, 3848251538Srpaulo "failed loadfirmware of file %s\n", imagename); 3849251538Srpaulo return (ENOENT); 3850251538Srpaulo } 3851251538Srpaulo 3852251538Srpaulo len = fw->datasize; 3853251538Srpaulo 3854251538Srpaulo if (len < sizeof(*hdr)) { 3855251538Srpaulo device_printf(sc->sc_dev, "firmware too short\n"); 3856251538Srpaulo error = EINVAL; 3857251538Srpaulo goto fail; 3858251538Srpaulo } 3859251538Srpaulo ptr = fw->data; 3860251538Srpaulo hdr = (const struct r92c_fw_hdr *)ptr; 3861251538Srpaulo /* Check if there is a valid FW header and skip it. */ 3862251538Srpaulo if ((le16toh(hdr->signature) >> 4) == 0x88c || 3863264912Skevlo (le16toh(hdr->signature) >> 4) == 0x88e || 3864251538Srpaulo (le16toh(hdr->signature) >> 4) == 0x92c) { 3865294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_FIRMWARE, 3866294471Savos "FW V%d.%d %02d-%02d %02d:%02d\n", 3867251538Srpaulo le16toh(hdr->version), le16toh(hdr->subversion), 3868251538Srpaulo hdr->month, hdr->date, hdr->hour, hdr->minute); 3869251538Srpaulo ptr += sizeof(*hdr); 3870251538Srpaulo len -= sizeof(*hdr); 3871251538Srpaulo } 3872251538Srpaulo 3873264912Skevlo if (urtwn_read_1(sc, R92C_MCUFWDL) & R92C_MCUFWDL_RAM_DL_SEL) { 3874264912Skevlo if (sc->chip & URTWN_CHIP_88E) 3875264912Skevlo urtwn_r88e_fw_reset(sc); 3876264912Skevlo else 3877264912Skevlo urtwn_fw_reset(sc); 3878251538Srpaulo urtwn_write_1(sc, R92C_MCUFWDL, 0); 3879251538Srpaulo } 3880264912Skevlo 3881268487Skevlo if (!(sc->chip & URTWN_CHIP_88E)) { 3882268487Skevlo urtwn_write_2(sc, R92C_SYS_FUNC_EN, 3883268487Skevlo urtwn_read_2(sc, R92C_SYS_FUNC_EN) | 3884268487Skevlo R92C_SYS_FUNC_EN_CPUEN); 3885268487Skevlo } 3886251538Srpaulo urtwn_write_1(sc, R92C_MCUFWDL, 3887251538Srpaulo urtwn_read_1(sc, R92C_MCUFWDL) | R92C_MCUFWDL_EN); 3888251538Srpaulo urtwn_write_1(sc, R92C_MCUFWDL + 2, 3889251538Srpaulo urtwn_read_1(sc, R92C_MCUFWDL + 2) & ~0x08); 3890251538Srpaulo 3891263154Skevlo /* Reset the FWDL checksum. */ 3892263154Skevlo urtwn_write_1(sc, R92C_MCUFWDL, 3893263154Skevlo urtwn_read_1(sc, R92C_MCUFWDL) | R92C_MCUFWDL_CHKSUM_RPT); 3894263154Skevlo 3895251538Srpaulo for (page = 0; len > 0; page++) { 3896251538Srpaulo mlen = min(len, R92C_FW_PAGE_SIZE); 3897251538Srpaulo error = urtwn_fw_loadpage(sc, page, ptr, mlen); 3898251538Srpaulo if (error != 0) { 3899251538Srpaulo device_printf(sc->sc_dev, 3900251538Srpaulo "could not load firmware page\n"); 3901251538Srpaulo goto fail; 3902251538Srpaulo } 3903251538Srpaulo ptr += mlen; 3904251538Srpaulo len -= mlen; 3905251538Srpaulo } 3906251538Srpaulo urtwn_write_1(sc, R92C_MCUFWDL, 3907251538Srpaulo urtwn_read_1(sc, R92C_MCUFWDL) & ~R92C_MCUFWDL_EN); 3908251538Srpaulo urtwn_write_1(sc, R92C_MCUFWDL + 1, 0); 3909251538Srpaulo 3910251538Srpaulo /* Wait for checksum report. */ 3911251538Srpaulo for (ntries = 0; ntries < 1000; ntries++) { 3912251538Srpaulo if (urtwn_read_4(sc, R92C_MCUFWDL) & R92C_MCUFWDL_CHKSUM_RPT) 3913251538Srpaulo break; 3914266472Shselasky urtwn_ms_delay(sc); 3915251538Srpaulo } 3916251538Srpaulo if (ntries == 1000) { 3917251538Srpaulo device_printf(sc->sc_dev, 3918251538Srpaulo "timeout waiting for checksum report\n"); 3919251538Srpaulo error = ETIMEDOUT; 3920251538Srpaulo goto fail; 3921251538Srpaulo } 3922251538Srpaulo 3923251538Srpaulo reg = urtwn_read_4(sc, R92C_MCUFWDL); 3924251538Srpaulo reg = (reg & ~R92C_MCUFWDL_WINTINI_RDY) | R92C_MCUFWDL_RDY; 3925251538Srpaulo urtwn_write_4(sc, R92C_MCUFWDL, reg); 3926264912Skevlo if (sc->chip & URTWN_CHIP_88E) 3927264912Skevlo urtwn_r88e_fw_reset(sc); 3928251538Srpaulo /* Wait for firmware readiness. */ 3929251538Srpaulo for (ntries = 0; ntries < 1000; ntries++) { 3930251538Srpaulo if (urtwn_read_4(sc, R92C_MCUFWDL) & R92C_MCUFWDL_WINTINI_RDY) 3931251538Srpaulo break; 3932266472Shselasky urtwn_ms_delay(sc); 3933251538Srpaulo } 3934251538Srpaulo if (ntries == 1000) { 3935251538Srpaulo device_printf(sc->sc_dev, 3936251538Srpaulo "timeout waiting for firmware readiness\n"); 3937251538Srpaulo error = ETIMEDOUT; 3938251538Srpaulo goto fail; 3939251538Srpaulo } 3940251538Srpaulofail: 3941251538Srpaulo firmware_put(fw, FIRMWARE_UNLOAD); 3942251538Srpaulo return (error); 3943251538Srpaulo} 3944295871Savos#endif 3945251538Srpaulo 3946291902Skevlostatic int 3947251538Srpaulourtwn_dma_init(struct urtwn_softc *sc) 3948251538Srpaulo{ 3949291902Skevlo struct usb_endpoint *ep, *ep_end; 3950291698Savos usb_error_t usb_err; 3951291902Skevlo uint32_t reg; 3952291902Skevlo int hashq, hasnq, haslq, nqueues, ntx; 3953291902Skevlo int error, pagecount, npubqpages, nqpages, nrempages, tx_boundary; 3954281069Srpaulo 3955291695Savos /* Initialize LLT table. */ 3956291695Savos error = urtwn_llt_init(sc); 3957291695Savos if (error != 0) 3958291695Savos return (error); 3959291695Savos 3960291902Skevlo /* Determine the number of bulk-out pipes. */ 3961291902Skevlo ntx = 0; 3962291902Skevlo ep = sc->sc_udev->endpoints; 3963291902Skevlo ep_end = sc->sc_udev->endpoints + sc->sc_udev->endpoints_max; 3964291902Skevlo for (; ep != ep_end; ep++) { 3965291902Skevlo if ((ep->edesc == NULL) || 3966291902Skevlo (ep->iface_index != sc->sc_iface_index)) 3967291902Skevlo continue; 3968291902Skevlo if (UE_GET_DIR(ep->edesc->bEndpointAddress) == UE_DIR_OUT) 3969291902Skevlo ntx++; 3970291902Skevlo } 3971291902Skevlo if (ntx == 0) { 3972291902Skevlo device_printf(sc->sc_dev, 3973291902Skevlo "%d: invalid number of Tx bulk pipes\n", ntx); 3974291698Savos return (EIO); 3975291902Skevlo } 3976291695Savos 3977251538Srpaulo /* Get Tx queues to USB endpoints mapping. */ 3978291902Skevlo hashq = hasnq = haslq = nqueues = 0; 3979291902Skevlo switch (ntx) { 3980291902Skevlo case 1: hashq = 1; break; 3981291902Skevlo case 2: hashq = hasnq = 1; break; 3982291902Skevlo case 3: case 4: hashq = hasnq = haslq = 1; break; 3983291902Skevlo } 3984251538Srpaulo nqueues = hashq + hasnq + haslq; 3985251538Srpaulo if (nqueues == 0) 3986251538Srpaulo return (EIO); 3987251538Srpaulo 3988291902Skevlo npubqpages = nqpages = nrempages = pagecount = 0; 3989291902Skevlo if (sc->chip & URTWN_CHIP_88E) 3990291902Skevlo tx_boundary = R88E_TX_PAGE_BOUNDARY; 3991291902Skevlo else { 3992291902Skevlo pagecount = R92C_TX_PAGE_COUNT; 3993291902Skevlo npubqpages = R92C_PUBQ_NPAGES; 3994291902Skevlo tx_boundary = R92C_TX_PAGE_BOUNDARY; 3995291902Skevlo } 3996291902Skevlo 3997251538Srpaulo /* Set number of pages for normal priority queue. */ 3998291902Skevlo if (sc->chip & URTWN_CHIP_88E) { 3999291902Skevlo usb_err = urtwn_write_2(sc, R92C_RQPN_NPQ, 0xd); 4000291902Skevlo if (usb_err != USB_ERR_NORMAL_COMPLETION) 4001291902Skevlo return (EIO); 4002291902Skevlo usb_err = urtwn_write_4(sc, R92C_RQPN, 0x808e000d); 4003291902Skevlo if (usb_err != USB_ERR_NORMAL_COMPLETION) 4004291902Skevlo return (EIO); 4005291902Skevlo } else { 4006291902Skevlo /* Get the number of pages for each queue. */ 4007291902Skevlo nqpages = (pagecount - npubqpages) / nqueues; 4008291902Skevlo /* 4009291902Skevlo * The remaining pages are assigned to the high priority 4010291902Skevlo * queue. 4011291902Skevlo */ 4012291902Skevlo nrempages = (pagecount - npubqpages) % nqueues; 4013291902Skevlo usb_err = urtwn_write_1(sc, R92C_RQPN_NPQ, hasnq ? nqpages : 0); 4014291902Skevlo if (usb_err != USB_ERR_NORMAL_COMPLETION) 4015291902Skevlo return (EIO); 4016291902Skevlo usb_err = urtwn_write_4(sc, R92C_RQPN, 4017291902Skevlo /* Set number of pages for public queue. */ 4018291902Skevlo SM(R92C_RQPN_PUBQ, npubqpages) | 4019291902Skevlo /* Set number of pages for high priority queue. */ 4020291902Skevlo SM(R92C_RQPN_HPQ, hashq ? nqpages + nrempages : 0) | 4021291902Skevlo /* Set number of pages for low priority queue. */ 4022291902Skevlo SM(R92C_RQPN_LPQ, haslq ? nqpages : 0) | 4023291902Skevlo /* Load values. */ 4024291902Skevlo R92C_RQPN_LD); 4025291902Skevlo if (usb_err != USB_ERR_NORMAL_COMPLETION) 4026291902Skevlo return (EIO); 4027291902Skevlo } 4028251538Srpaulo 4029291902Skevlo usb_err = urtwn_write_1(sc, R92C_TXPKTBUF_BCNQ_BDNY, tx_boundary); 4030291902Skevlo if (usb_err != USB_ERR_NORMAL_COMPLETION) 4031291698Savos return (EIO); 4032291902Skevlo usb_err = urtwn_write_1(sc, R92C_TXPKTBUF_MGQ_BDNY, tx_boundary); 4033291902Skevlo if (usb_err != USB_ERR_NORMAL_COMPLETION) 4034291698Savos return (EIO); 4035291902Skevlo usb_err = urtwn_write_1(sc, R92C_TXPKTBUF_WMAC_LBK_BF_HD, tx_boundary); 4036291902Skevlo if (usb_err != USB_ERR_NORMAL_COMPLETION) 4037291698Savos return (EIO); 4038291902Skevlo usb_err = urtwn_write_1(sc, R92C_TRXFF_BNDY, tx_boundary); 4039291902Skevlo if (usb_err != USB_ERR_NORMAL_COMPLETION) 4040291698Savos return (EIO); 4041291902Skevlo usb_err = urtwn_write_1(sc, R92C_TDECTRL + 1, tx_boundary); 4042291902Skevlo if (usb_err != USB_ERR_NORMAL_COMPLETION) 4043291698Savos return (EIO); 4044251538Srpaulo 4045251538Srpaulo /* Set queue to USB pipe mapping. */ 4046251538Srpaulo reg = urtwn_read_2(sc, R92C_TRXDMA_CTRL); 4047251538Srpaulo reg &= ~R92C_TRXDMA_CTRL_QMAP_M; 4048251538Srpaulo if (nqueues == 1) { 4049251538Srpaulo if (hashq) 4050251538Srpaulo reg |= R92C_TRXDMA_CTRL_QMAP_HQ; 4051251538Srpaulo else if (hasnq) 4052251538Srpaulo reg |= R92C_TRXDMA_CTRL_QMAP_NQ; 4053251538Srpaulo else 4054251538Srpaulo reg |= R92C_TRXDMA_CTRL_QMAP_LQ; 4055251538Srpaulo } else if (nqueues == 2) { 4056292056Skevlo /* 4057292056Skevlo * All 2-endpoints configs have high and normal 4058292056Skevlo * priority queues. 4059292056Skevlo */ 4060292056Skevlo reg |= R92C_TRXDMA_CTRL_QMAP_HQ_NQ; 4061251538Srpaulo } else 4062251538Srpaulo reg |= R92C_TRXDMA_CTRL_QMAP_3EP; 4063291902Skevlo usb_err = urtwn_write_2(sc, R92C_TRXDMA_CTRL, reg); 4064291902Skevlo if (usb_err != USB_ERR_NORMAL_COMPLETION) 4065291698Savos return (EIO); 4066251538Srpaulo 4067251538Srpaulo /* Set Tx/Rx transfer page boundary. */ 4068291902Skevlo usb_err = urtwn_write_2(sc, R92C_TRXFF_BNDY + 2, 4069291902Skevlo (sc->chip & URTWN_CHIP_88E) ? 0x23ff : 0x27ff); 4070291902Skevlo if (usb_err != USB_ERR_NORMAL_COMPLETION) 4071291698Savos return (EIO); 4072251538Srpaulo 4073291902Skevlo /* Set Tx/Rx transfer page size. */ 4074291902Skevlo usb_err = urtwn_write_1(sc, R92C_PBP, 4075291902Skevlo SM(R92C_PBP_PSRX, R92C_PBP_128) | 4076291902Skevlo SM(R92C_PBP_PSTX, R92C_PBP_128)); 4077291902Skevlo if (usb_err != USB_ERR_NORMAL_COMPLETION) 4078264912Skevlo return (EIO); 4079264912Skevlo 4080264912Skevlo return (0); 4081264912Skevlo} 4082264912Skevlo 4083291698Savosstatic int 4084251538Srpaulourtwn_mac_init(struct urtwn_softc *sc) 4085251538Srpaulo{ 4086291698Savos usb_error_t error; 4087251538Srpaulo int i; 4088251538Srpaulo 4089251538Srpaulo /* Write MAC initialization values. */ 4090264912Skevlo if (sc->chip & URTWN_CHIP_88E) { 4091264912Skevlo for (i = 0; i < nitems(rtl8188eu_mac); i++) { 4092291698Savos error = urtwn_write_1(sc, rtl8188eu_mac[i].reg, 4093264912Skevlo rtl8188eu_mac[i].val); 4094291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 4095291698Savos return (EIO); 4096264912Skevlo } 4097264912Skevlo urtwn_write_1(sc, R92C_MAX_AGGR_NUM, 0x07); 4098264912Skevlo } else { 4099264912Skevlo for (i = 0; i < nitems(rtl8192cu_mac); i++) 4100291698Savos error = urtwn_write_1(sc, rtl8192cu_mac[i].reg, 4101264912Skevlo rtl8192cu_mac[i].val); 4102291698Savos if (error != USB_ERR_NORMAL_COMPLETION) 4103291698Savos return (EIO); 4104264912Skevlo } 4105291698Savos 4106291698Savos return (0); 4107251538Srpaulo} 4108251538Srpaulo 4109251538Srpaulostatic void 4110251538Srpaulourtwn_bb_init(struct urtwn_softc *sc) 4111251538Srpaulo{ 4112251538Srpaulo const struct urtwn_bb_prog *prog; 4113251538Srpaulo uint32_t reg; 4114264912Skevlo uint8_t crystalcap; 4115251538Srpaulo int i; 4116251538Srpaulo 4117251538Srpaulo /* Enable BB and RF. */ 4118251538Srpaulo urtwn_write_2(sc, R92C_SYS_FUNC_EN, 4119251538Srpaulo urtwn_read_2(sc, R92C_SYS_FUNC_EN) | 4120251538Srpaulo R92C_SYS_FUNC_EN_BBRSTB | R92C_SYS_FUNC_EN_BB_GLB_RST | 4121251538Srpaulo R92C_SYS_FUNC_EN_DIO_RF); 4122251538Srpaulo 4123264912Skevlo if (!(sc->chip & URTWN_CHIP_88E)) 4124264912Skevlo urtwn_write_2(sc, R92C_AFE_PLL_CTRL, 0xdb83); 4125251538Srpaulo 4126251538Srpaulo urtwn_write_1(sc, R92C_RF_CTRL, 4127251538Srpaulo R92C_RF_CTRL_EN | R92C_RF_CTRL_RSTB | R92C_RF_CTRL_SDMRSTB); 4128251538Srpaulo urtwn_write_1(sc, R92C_SYS_FUNC_EN, 4129251538Srpaulo R92C_SYS_FUNC_EN_USBA | R92C_SYS_FUNC_EN_USBD | 4130251538Srpaulo R92C_SYS_FUNC_EN_BB_GLB_RST | R92C_SYS_FUNC_EN_BBRSTB); 4131251538Srpaulo 4132264912Skevlo if (!(sc->chip & URTWN_CHIP_88E)) { 4133264912Skevlo urtwn_write_1(sc, R92C_LDOHCI12_CTRL, 0x0f); 4134264912Skevlo urtwn_write_1(sc, 0x15, 0xe9); 4135264912Skevlo urtwn_write_1(sc, R92C_AFE_XTAL_CTRL + 1, 0x80); 4136264912Skevlo } 4137251538Srpaulo 4138251538Srpaulo /* Select BB programming based on board type. */ 4139264912Skevlo if (sc->chip & URTWN_CHIP_88E) 4140264912Skevlo prog = &rtl8188eu_bb_prog; 4141264912Skevlo else if (!(sc->chip & URTWN_CHIP_92C)) { 4142251538Srpaulo if (sc->board_type == R92C_BOARD_TYPE_MINICARD) 4143251538Srpaulo prog = &rtl8188ce_bb_prog; 4144251538Srpaulo else if (sc->board_type == R92C_BOARD_TYPE_HIGHPA) 4145251538Srpaulo prog = &rtl8188ru_bb_prog; 4146251538Srpaulo else 4147251538Srpaulo prog = &rtl8188cu_bb_prog; 4148251538Srpaulo } else { 4149251538Srpaulo if (sc->board_type == R92C_BOARD_TYPE_MINICARD) 4150251538Srpaulo prog = &rtl8192ce_bb_prog; 4151251538Srpaulo else 4152251538Srpaulo prog = &rtl8192cu_bb_prog; 4153251538Srpaulo } 4154251538Srpaulo /* Write BB initialization values. */ 4155251538Srpaulo for (i = 0; i < prog->count; i++) { 4156251538Srpaulo urtwn_bb_write(sc, prog->regs[i], prog->vals[i]); 4157266472Shselasky urtwn_ms_delay(sc); 4158251538Srpaulo } 4159251538Srpaulo 4160251538Srpaulo if (sc->chip & URTWN_CHIP_92C_1T2R) { 4161251538Srpaulo /* 8192C 1T only configuration. */ 4162251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_TXINFO); 4163251538Srpaulo reg = (reg & ~0x00000003) | 0x2; 4164251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_TXINFO, reg); 4165251538Srpaulo 4166251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA1_TXINFO); 4167251538Srpaulo reg = (reg & ~0x00300033) | 0x00200022; 4168251538Srpaulo urtwn_bb_write(sc, R92C_FPGA1_TXINFO, reg); 4169251538Srpaulo 4170251538Srpaulo reg = urtwn_bb_read(sc, R92C_CCK0_AFESETTING); 4171251538Srpaulo reg = (reg & ~0xff000000) | 0x45 << 24; 4172251538Srpaulo urtwn_bb_write(sc, R92C_CCK0_AFESETTING, reg); 4173251538Srpaulo 4174251538Srpaulo reg = urtwn_bb_read(sc, R92C_OFDM0_TRXPATHENA); 4175251538Srpaulo reg = (reg & ~0x000000ff) | 0x23; 4176251538Srpaulo urtwn_bb_write(sc, R92C_OFDM0_TRXPATHENA, reg); 4177251538Srpaulo 4178251538Srpaulo reg = urtwn_bb_read(sc, R92C_OFDM0_AGCPARAM1); 4179251538Srpaulo reg = (reg & ~0x00000030) | 1 << 4; 4180251538Srpaulo urtwn_bb_write(sc, R92C_OFDM0_AGCPARAM1, reg); 4181251538Srpaulo 4182251538Srpaulo reg = urtwn_bb_read(sc, 0xe74); 4183251538Srpaulo reg = (reg & ~0x0c000000) | 2 << 26; 4184251538Srpaulo urtwn_bb_write(sc, 0xe74, reg); 4185251538Srpaulo reg = urtwn_bb_read(sc, 0xe78); 4186251538Srpaulo reg = (reg & ~0x0c000000) | 2 << 26; 4187251538Srpaulo urtwn_bb_write(sc, 0xe78, reg); 4188251538Srpaulo reg = urtwn_bb_read(sc, 0xe7c); 4189251538Srpaulo reg = (reg & ~0x0c000000) | 2 << 26; 4190251538Srpaulo urtwn_bb_write(sc, 0xe7c, reg); 4191251538Srpaulo reg = urtwn_bb_read(sc, 0xe80); 4192251538Srpaulo reg = (reg & ~0x0c000000) | 2 << 26; 4193251538Srpaulo urtwn_bb_write(sc, 0xe80, reg); 4194251538Srpaulo reg = urtwn_bb_read(sc, 0xe88); 4195251538Srpaulo reg = (reg & ~0x0c000000) | 2 << 26; 4196251538Srpaulo urtwn_bb_write(sc, 0xe88, reg); 4197251538Srpaulo } 4198251538Srpaulo 4199251538Srpaulo /* Write AGC values. */ 4200251538Srpaulo for (i = 0; i < prog->agccount; i++) { 4201251538Srpaulo urtwn_bb_write(sc, R92C_OFDM0_AGCRSSITABLE, 4202251538Srpaulo prog->agcvals[i]); 4203266472Shselasky urtwn_ms_delay(sc); 4204251538Srpaulo } 4205251538Srpaulo 4206264912Skevlo if (sc->chip & URTWN_CHIP_88E) { 4207264912Skevlo urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), 0x69553422); 4208266472Shselasky urtwn_ms_delay(sc); 4209264912Skevlo urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), 0x69553420); 4210266472Shselasky urtwn_ms_delay(sc); 4211264912Skevlo 4212294198Savos crystalcap = sc->rom.r88e_rom.crystalcap; 4213264912Skevlo if (crystalcap == 0xff) 4214264912Skevlo crystalcap = 0x20; 4215264912Skevlo crystalcap &= 0x3f; 4216264912Skevlo reg = urtwn_bb_read(sc, R92C_AFE_XTAL_CTRL); 4217264912Skevlo urtwn_bb_write(sc, R92C_AFE_XTAL_CTRL, 4218264912Skevlo RW(reg, R92C_AFE_XTAL_CTRL_ADDR, 4219264912Skevlo crystalcap | crystalcap << 6)); 4220264912Skevlo } else { 4221264912Skevlo if (urtwn_bb_read(sc, R92C_HSSI_PARAM2(0)) & 4222264912Skevlo R92C_HSSI_PARAM2_CCK_HIPWR) 4223264912Skevlo sc->sc_flags |= URTWN_FLAG_CCK_HIPWR; 4224264912Skevlo } 4225251538Srpaulo} 4226251538Srpaulo 4227289066Skevlostatic void 4228251538Srpaulourtwn_rf_init(struct urtwn_softc *sc) 4229251538Srpaulo{ 4230251538Srpaulo const struct urtwn_rf_prog *prog; 4231251538Srpaulo uint32_t reg, type; 4232251538Srpaulo int i, j, idx, off; 4233251538Srpaulo 4234251538Srpaulo /* Select RF programming based on board type. */ 4235264912Skevlo if (sc->chip & URTWN_CHIP_88E) 4236264912Skevlo prog = rtl8188eu_rf_prog; 4237264912Skevlo else if (!(sc->chip & URTWN_CHIP_92C)) { 4238251538Srpaulo if (sc->board_type == R92C_BOARD_TYPE_MINICARD) 4239251538Srpaulo prog = rtl8188ce_rf_prog; 4240251538Srpaulo else if (sc->board_type == R92C_BOARD_TYPE_HIGHPA) 4241251538Srpaulo prog = rtl8188ru_rf_prog; 4242251538Srpaulo else 4243251538Srpaulo prog = rtl8188cu_rf_prog; 4244251538Srpaulo } else 4245251538Srpaulo prog = rtl8192ce_rf_prog; 4246251538Srpaulo 4247251538Srpaulo for (i = 0; i < sc->nrxchains; i++) { 4248251538Srpaulo /* Save RF_ENV control type. */ 4249251538Srpaulo idx = i / 2; 4250251538Srpaulo off = (i % 2) * 16; 4251251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACESW(idx)); 4252251538Srpaulo type = (reg >> off) & 0x10; 4253251538Srpaulo 4254251538Srpaulo /* Set RF_ENV enable. */ 4255251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACEOE(i)); 4256251538Srpaulo reg |= 0x100000; 4257251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_RFIFACEOE(i), reg); 4258266472Shselasky urtwn_ms_delay(sc); 4259251538Srpaulo /* Set RF_ENV output high. */ 4260251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACEOE(i)); 4261251538Srpaulo reg |= 0x10; 4262251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_RFIFACEOE(i), reg); 4263266472Shselasky urtwn_ms_delay(sc); 4264251538Srpaulo /* Set address and data lengths of RF registers. */ 4265251538Srpaulo reg = urtwn_bb_read(sc, R92C_HSSI_PARAM2(i)); 4266251538Srpaulo reg &= ~R92C_HSSI_PARAM2_ADDR_LENGTH; 4267251538Srpaulo urtwn_bb_write(sc, R92C_HSSI_PARAM2(i), reg); 4268266472Shselasky urtwn_ms_delay(sc); 4269251538Srpaulo reg = urtwn_bb_read(sc, R92C_HSSI_PARAM2(i)); 4270251538Srpaulo reg &= ~R92C_HSSI_PARAM2_DATA_LENGTH; 4271251538Srpaulo urtwn_bb_write(sc, R92C_HSSI_PARAM2(i), reg); 4272266472Shselasky urtwn_ms_delay(sc); 4273251538Srpaulo 4274251538Srpaulo /* Write RF initialization values for this chain. */ 4275251538Srpaulo for (j = 0; j < prog[i].count; j++) { 4276251538Srpaulo if (prog[i].regs[j] >= 0xf9 && 4277251538Srpaulo prog[i].regs[j] <= 0xfe) { 4278251538Srpaulo /* 4279251538Srpaulo * These are fake RF registers offsets that 4280251538Srpaulo * indicate a delay is required. 4281251538Srpaulo */ 4282266472Shselasky usb_pause_mtx(&sc->sc_mtx, hz / 20); /* 50ms */ 4283251538Srpaulo continue; 4284251538Srpaulo } 4285251538Srpaulo urtwn_rf_write(sc, i, prog[i].regs[j], 4286251538Srpaulo prog[i].vals[j]); 4287266472Shselasky urtwn_ms_delay(sc); 4288251538Srpaulo } 4289251538Srpaulo 4290251538Srpaulo /* Restore RF_ENV control type. */ 4291251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACESW(idx)); 4292251538Srpaulo reg &= ~(0x10 << off) | (type << off); 4293251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_RFIFACESW(idx), reg); 4294251538Srpaulo 4295251538Srpaulo /* Cache RF register CHNLBW. */ 4296251538Srpaulo sc->rf_chnlbw[i] = urtwn_rf_read(sc, i, R92C_RF_CHNLBW); 4297251538Srpaulo } 4298251538Srpaulo 4299251538Srpaulo if ((sc->chip & (URTWN_CHIP_UMC_A_CUT | URTWN_CHIP_92C)) == 4300251538Srpaulo URTWN_CHIP_UMC_A_CUT) { 4301251538Srpaulo urtwn_rf_write(sc, 0, R92C_RF_RX_G1, 0x30255); 4302251538Srpaulo urtwn_rf_write(sc, 0, R92C_RF_RX_G2, 0x50a00); 4303251538Srpaulo } 4304251538Srpaulo} 4305251538Srpaulo 4306251538Srpaulostatic void 4307251538Srpaulourtwn_cam_init(struct urtwn_softc *sc) 4308251538Srpaulo{ 4309251538Srpaulo /* Invalidate all CAM entries. */ 4310251538Srpaulo urtwn_write_4(sc, R92C_CAMCMD, 4311251538Srpaulo R92C_CAMCMD_POLLING | R92C_CAMCMD_CLR); 4312251538Srpaulo} 4313251538Srpaulo 4314292175Savosstatic int 4315292175Savosurtwn_cam_write(struct urtwn_softc *sc, uint32_t addr, uint32_t data) 4316292175Savos{ 4317292175Savos usb_error_t error; 4318292175Savos 4319292175Savos error = urtwn_write_4(sc, R92C_CAMWRITE, data); 4320292175Savos if (error != USB_ERR_NORMAL_COMPLETION) 4321292175Savos return (EIO); 4322292175Savos error = urtwn_write_4(sc, R92C_CAMCMD, 4323292175Savos R92C_CAMCMD_POLLING | R92C_CAMCMD_WRITE | 4324292175Savos SM(R92C_CAMCMD_ADDR, addr)); 4325292175Savos if (error != USB_ERR_NORMAL_COMPLETION) 4326292175Savos return (EIO); 4327292175Savos 4328292175Savos return (0); 4329292175Savos} 4330292175Savos 4331251538Srpaulostatic void 4332251538Srpaulourtwn_pa_bias_init(struct urtwn_softc *sc) 4333251538Srpaulo{ 4334251538Srpaulo uint8_t reg; 4335251538Srpaulo int i; 4336251538Srpaulo 4337251538Srpaulo for (i = 0; i < sc->nrxchains; i++) { 4338251538Srpaulo if (sc->pa_setting & (1 << i)) 4339251538Srpaulo continue; 4340251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_IPA, 0x0f406); 4341251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_IPA, 0x4f406); 4342251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_IPA, 0x8f406); 4343251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_IPA, 0xcf406); 4344251538Srpaulo } 4345251538Srpaulo if (!(sc->pa_setting & 0x10)) { 4346251538Srpaulo reg = urtwn_read_1(sc, 0x16); 4347251538Srpaulo reg = (reg & ~0xf0) | 0x90; 4348251538Srpaulo urtwn_write_1(sc, 0x16, reg); 4349251538Srpaulo } 4350251538Srpaulo} 4351251538Srpaulo 4352251538Srpaulostatic void 4353251538Srpaulourtwn_rxfilter_init(struct urtwn_softc *sc) 4354251538Srpaulo{ 4355290564Savos struct ieee80211com *ic = &sc->sc_ic; 4356290564Savos struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4357290564Savos uint32_t rcr; 4358290564Savos uint16_t filter; 4359290564Savos 4360290564Savos URTWN_ASSERT_LOCKED(sc); 4361290564Savos 4362251538Srpaulo /* Accept all multicast frames. */ 4363251538Srpaulo urtwn_write_4(sc, R92C_MAR + 0, 0xffffffff); 4364251538Srpaulo urtwn_write_4(sc, R92C_MAR + 4, 0xffffffff); 4365290564Savos 4366290564Savos /* Filter for management frames. */ 4367290564Savos filter = 0x7f3f; 4368290631Savos switch (vap->iv_opmode) { 4369290631Savos case IEEE80211_M_STA: 4370290564Savos filter &= ~( 4371290564Savos R92C_RXFLTMAP_SUBTYPE(IEEE80211_FC0_SUBTYPE_ASSOC_REQ) | 4372290564Savos R92C_RXFLTMAP_SUBTYPE(IEEE80211_FC0_SUBTYPE_REASSOC_REQ) | 4373290564Savos R92C_RXFLTMAP_SUBTYPE(IEEE80211_FC0_SUBTYPE_PROBE_REQ)); 4374290631Savos break; 4375290631Savos case IEEE80211_M_HOSTAP: 4376290631Savos filter &= ~( 4377290631Savos R92C_RXFLTMAP_SUBTYPE(IEEE80211_FC0_SUBTYPE_ASSOC_RESP) | 4378296174Savos R92C_RXFLTMAP_SUBTYPE(IEEE80211_FC0_SUBTYPE_REASSOC_RESP)); 4379290631Savos break; 4380290631Savos case IEEE80211_M_MONITOR: 4381290651Savos case IEEE80211_M_IBSS: 4382290631Savos break; 4383290631Savos default: 4384290631Savos device_printf(sc->sc_dev, "%s: undefined opmode %d\n", 4385290631Savos __func__, vap->iv_opmode); 4386290631Savos break; 4387290564Savos } 4388290564Savos urtwn_write_2(sc, R92C_RXFLTMAP0, filter); 4389290564Savos 4390251538Srpaulo /* Reject all control frames. */ 4391251538Srpaulo urtwn_write_2(sc, R92C_RXFLTMAP1, 0x0000); 4392290564Savos 4393290564Savos /* Reject all data frames. */ 4394290564Savos urtwn_write_2(sc, R92C_RXFLTMAP2, 0x0000); 4395290564Savos 4396290564Savos rcr = R92C_RCR_AM | R92C_RCR_AB | R92C_RCR_APM | 4397290564Savos R92C_RCR_HTC_LOC_CTRL | R92C_RCR_APP_PHYSTS | 4398290564Savos R92C_RCR_APP_ICV | R92C_RCR_APP_MIC; 4399290564Savos 4400290564Savos if (vap->iv_opmode == IEEE80211_M_MONITOR) { 4401290564Savos /* Accept all frames. */ 4402290564Savos rcr |= R92C_RCR_ACF | R92C_RCR_ADF | R92C_RCR_AMF | 4403290564Savos R92C_RCR_AAP; 4404290564Savos } 4405290564Savos 4406290564Savos /* Set Rx filter. */ 4407290564Savos urtwn_write_4(sc, R92C_RCR, rcr); 4408290564Savos 4409290564Savos if (ic->ic_promisc != 0) { 4410290564Savos /* Update Rx filter. */ 4411290564Savos urtwn_set_promisc(sc); 4412290564Savos } 4413251538Srpaulo} 4414251538Srpaulo 4415251538Srpaulostatic void 4416251538Srpaulourtwn_edca_init(struct urtwn_softc *sc) 4417251538Srpaulo{ 4418251538Srpaulo urtwn_write_2(sc, R92C_SPEC_SIFS, 0x100a); 4419251538Srpaulo urtwn_write_2(sc, R92C_MAC_SPEC_SIFS, 0x100a); 4420251538Srpaulo urtwn_write_2(sc, R92C_SIFS_CCK, 0x100a); 4421251538Srpaulo urtwn_write_2(sc, R92C_SIFS_OFDM, 0x100a); 4422251538Srpaulo urtwn_write_4(sc, R92C_EDCA_BE_PARAM, 0x005ea42b); 4423251538Srpaulo urtwn_write_4(sc, R92C_EDCA_BK_PARAM, 0x0000a44f); 4424251538Srpaulo urtwn_write_4(sc, R92C_EDCA_VI_PARAM, 0x005ea324); 4425251538Srpaulo urtwn_write_4(sc, R92C_EDCA_VO_PARAM, 0x002fa226); 4426251538Srpaulo} 4427251538Srpaulo 4428289066Skevlostatic void 4429251538Srpaulourtwn_write_txpower(struct urtwn_softc *sc, int chain, 4430251538Srpaulo uint16_t power[URTWN_RIDX_COUNT]) 4431251538Srpaulo{ 4432251538Srpaulo uint32_t reg; 4433251538Srpaulo 4434251538Srpaulo /* Write per-CCK rate Tx power. */ 4435251538Srpaulo if (chain == 0) { 4436251538Srpaulo reg = urtwn_bb_read(sc, R92C_TXAGC_A_CCK1_MCS32); 4437251538Srpaulo reg = RW(reg, R92C_TXAGC_A_CCK1, power[0]); 4438251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_A_CCK1_MCS32, reg); 4439251538Srpaulo reg = urtwn_bb_read(sc, R92C_TXAGC_B_CCK11_A_CCK2_11); 4440251538Srpaulo reg = RW(reg, R92C_TXAGC_A_CCK2, power[1]); 4441251538Srpaulo reg = RW(reg, R92C_TXAGC_A_CCK55, power[2]); 4442251538Srpaulo reg = RW(reg, R92C_TXAGC_A_CCK11, power[3]); 4443251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_B_CCK11_A_CCK2_11, reg); 4444251538Srpaulo } else { 4445251538Srpaulo reg = urtwn_bb_read(sc, R92C_TXAGC_B_CCK1_55_MCS32); 4446251538Srpaulo reg = RW(reg, R92C_TXAGC_B_CCK1, power[0]); 4447251538Srpaulo reg = RW(reg, R92C_TXAGC_B_CCK2, power[1]); 4448251538Srpaulo reg = RW(reg, R92C_TXAGC_B_CCK55, power[2]); 4449251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_B_CCK1_55_MCS32, reg); 4450251538Srpaulo reg = urtwn_bb_read(sc, R92C_TXAGC_B_CCK11_A_CCK2_11); 4451251538Srpaulo reg = RW(reg, R92C_TXAGC_B_CCK11, power[3]); 4452251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_B_CCK11_A_CCK2_11, reg); 4453251538Srpaulo } 4454251538Srpaulo /* Write per-OFDM rate Tx power. */ 4455251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_RATE18_06(chain), 4456251538Srpaulo SM(R92C_TXAGC_RATE06, power[ 4]) | 4457251538Srpaulo SM(R92C_TXAGC_RATE09, power[ 5]) | 4458251538Srpaulo SM(R92C_TXAGC_RATE12, power[ 6]) | 4459251538Srpaulo SM(R92C_TXAGC_RATE18, power[ 7])); 4460251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_RATE54_24(chain), 4461251538Srpaulo SM(R92C_TXAGC_RATE24, power[ 8]) | 4462251538Srpaulo SM(R92C_TXAGC_RATE36, power[ 9]) | 4463251538Srpaulo SM(R92C_TXAGC_RATE48, power[10]) | 4464251538Srpaulo SM(R92C_TXAGC_RATE54, power[11])); 4465251538Srpaulo /* Write per-MCS Tx power. */ 4466251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_MCS03_MCS00(chain), 4467251538Srpaulo SM(R92C_TXAGC_MCS00, power[12]) | 4468251538Srpaulo SM(R92C_TXAGC_MCS01, power[13]) | 4469251538Srpaulo SM(R92C_TXAGC_MCS02, power[14]) | 4470251538Srpaulo SM(R92C_TXAGC_MCS03, power[15])); 4471251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_MCS07_MCS04(chain), 4472251538Srpaulo SM(R92C_TXAGC_MCS04, power[16]) | 4473251538Srpaulo SM(R92C_TXAGC_MCS05, power[17]) | 4474251538Srpaulo SM(R92C_TXAGC_MCS06, power[18]) | 4475251538Srpaulo SM(R92C_TXAGC_MCS07, power[19])); 4476251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_MCS11_MCS08(chain), 4477251538Srpaulo SM(R92C_TXAGC_MCS08, power[20]) | 4478261506Skevlo SM(R92C_TXAGC_MCS09, power[21]) | 4479251538Srpaulo SM(R92C_TXAGC_MCS10, power[22]) | 4480251538Srpaulo SM(R92C_TXAGC_MCS11, power[23])); 4481251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_MCS15_MCS12(chain), 4482251538Srpaulo SM(R92C_TXAGC_MCS12, power[24]) | 4483251538Srpaulo SM(R92C_TXAGC_MCS13, power[25]) | 4484251538Srpaulo SM(R92C_TXAGC_MCS14, power[26]) | 4485251538Srpaulo SM(R92C_TXAGC_MCS15, power[27])); 4486251538Srpaulo} 4487251538Srpaulo 4488289066Skevlostatic void 4489251538Srpaulourtwn_get_txpower(struct urtwn_softc *sc, int chain, 4490251538Srpaulo struct ieee80211_channel *c, struct ieee80211_channel *extc, 4491251538Srpaulo uint16_t power[URTWN_RIDX_COUNT]) 4492251538Srpaulo{ 4493287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 4494291264Savos struct r92c_rom *rom = &sc->rom.r92c_rom; 4495251538Srpaulo uint16_t cckpow, ofdmpow, htpow, diff, max; 4496251538Srpaulo const struct urtwn_txpwr *base; 4497251538Srpaulo int ridx, chan, group; 4498251538Srpaulo 4499251538Srpaulo /* Determine channel group. */ 4500251538Srpaulo chan = ieee80211_chan2ieee(ic, c); /* XXX center freq! */ 4501251538Srpaulo if (chan <= 3) 4502251538Srpaulo group = 0; 4503251538Srpaulo else if (chan <= 9) 4504251538Srpaulo group = 1; 4505251538Srpaulo else 4506251538Srpaulo group = 2; 4507251538Srpaulo 4508251538Srpaulo /* Get original Tx power based on board type and RF chain. */ 4509251538Srpaulo if (!(sc->chip & URTWN_CHIP_92C)) { 4510251538Srpaulo if (sc->board_type == R92C_BOARD_TYPE_HIGHPA) 4511251538Srpaulo base = &rtl8188ru_txagc[chain]; 4512251538Srpaulo else 4513251538Srpaulo base = &rtl8192cu_txagc[chain]; 4514251538Srpaulo } else 4515251538Srpaulo base = &rtl8192cu_txagc[chain]; 4516251538Srpaulo 4517251538Srpaulo memset(power, 0, URTWN_RIDX_COUNT * sizeof(power[0])); 4518251538Srpaulo if (sc->regulatory == 0) { 4519289758Savos for (ridx = URTWN_RIDX_CCK1; ridx <= URTWN_RIDX_CCK11; ridx++) 4520251538Srpaulo power[ridx] = base->pwr[0][ridx]; 4521251538Srpaulo } 4522289758Savos for (ridx = URTWN_RIDX_OFDM6; ridx < URTWN_RIDX_COUNT; ridx++) { 4523251538Srpaulo if (sc->regulatory == 3) { 4524251538Srpaulo power[ridx] = base->pwr[0][ridx]; 4525251538Srpaulo /* Apply vendor limits. */ 4526251538Srpaulo if (extc != NULL) 4527251538Srpaulo max = rom->ht40_max_pwr[group]; 4528251538Srpaulo else 4529251538Srpaulo max = rom->ht20_max_pwr[group]; 4530251538Srpaulo max = (max >> (chain * 4)) & 0xf; 4531251538Srpaulo if (power[ridx] > max) 4532251538Srpaulo power[ridx] = max; 4533251538Srpaulo } else if (sc->regulatory == 1) { 4534251538Srpaulo if (extc == NULL) 4535251538Srpaulo power[ridx] = base->pwr[group][ridx]; 4536251538Srpaulo } else if (sc->regulatory != 2) 4537251538Srpaulo power[ridx] = base->pwr[0][ridx]; 4538251538Srpaulo } 4539251538Srpaulo 4540251538Srpaulo /* Compute per-CCK rate Tx power. */ 4541251538Srpaulo cckpow = rom->cck_tx_pwr[chain][group]; 4542289758Savos for (ridx = URTWN_RIDX_CCK1; ridx <= URTWN_RIDX_CCK11; ridx++) { 4543251538Srpaulo power[ridx] += cckpow; 4544251538Srpaulo if (power[ridx] > R92C_MAX_TX_PWR) 4545251538Srpaulo power[ridx] = R92C_MAX_TX_PWR; 4546251538Srpaulo } 4547251538Srpaulo 4548251538Srpaulo htpow = rom->ht40_1s_tx_pwr[chain][group]; 4549251538Srpaulo if (sc->ntxchains > 1) { 4550251538Srpaulo /* Apply reduction for 2 spatial streams. */ 4551251538Srpaulo diff = rom->ht40_2s_tx_pwr_diff[group]; 4552251538Srpaulo diff = (diff >> (chain * 4)) & 0xf; 4553251538Srpaulo htpow = (htpow > diff) ? htpow - diff : 0; 4554251538Srpaulo } 4555251538Srpaulo 4556251538Srpaulo /* Compute per-OFDM rate Tx power. */ 4557251538Srpaulo diff = rom->ofdm_tx_pwr_diff[group]; 4558251538Srpaulo diff = (diff >> (chain * 4)) & 0xf; 4559251538Srpaulo ofdmpow = htpow + diff; /* HT->OFDM correction. */ 4560289758Savos for (ridx = URTWN_RIDX_OFDM6; ridx <= URTWN_RIDX_OFDM54; ridx++) { 4561251538Srpaulo power[ridx] += ofdmpow; 4562251538Srpaulo if (power[ridx] > R92C_MAX_TX_PWR) 4563251538Srpaulo power[ridx] = R92C_MAX_TX_PWR; 4564251538Srpaulo } 4565251538Srpaulo 4566251538Srpaulo /* Compute per-MCS Tx power. */ 4567251538Srpaulo if (extc == NULL) { 4568251538Srpaulo diff = rom->ht20_tx_pwr_diff[group]; 4569251538Srpaulo diff = (diff >> (chain * 4)) & 0xf; 4570251538Srpaulo htpow += diff; /* HT40->HT20 correction. */ 4571251538Srpaulo } 4572251538Srpaulo for (ridx = 12; ridx <= 27; ridx++) { 4573251538Srpaulo power[ridx] += htpow; 4574251538Srpaulo if (power[ridx] > R92C_MAX_TX_PWR) 4575251538Srpaulo power[ridx] = R92C_MAX_TX_PWR; 4576251538Srpaulo } 4577294471Savos#ifdef USB_DEBUG 4578294471Savos if (sc->sc_debug & URTWN_DEBUG_TXPWR) { 4579251538Srpaulo /* Dump per-rate Tx power values. */ 4580251538Srpaulo printf("Tx power for chain %d:\n", chain); 4581289758Savos for (ridx = URTWN_RIDX_CCK1; ridx < URTWN_RIDX_COUNT; ridx++) 4582251538Srpaulo printf("Rate %d = %u\n", ridx, power[ridx]); 4583251538Srpaulo } 4584251538Srpaulo#endif 4585251538Srpaulo} 4586251538Srpaulo 4587289066Skevlostatic void 4588264912Skevlourtwn_r88e_get_txpower(struct urtwn_softc *sc, int chain, 4589264912Skevlo struct ieee80211_channel *c, struct ieee80211_channel *extc, 4590264912Skevlo uint16_t power[URTWN_RIDX_COUNT]) 4591264912Skevlo{ 4592287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 4593294198Savos struct r88e_rom *rom = &sc->rom.r88e_rom; 4594264912Skevlo uint16_t cckpow, ofdmpow, bw20pow, htpow; 4595264912Skevlo const struct urtwn_r88e_txpwr *base; 4596264912Skevlo int ridx, chan, group; 4597264912Skevlo 4598264912Skevlo /* Determine channel group. */ 4599264912Skevlo chan = ieee80211_chan2ieee(ic, c); /* XXX center freq! */ 4600264912Skevlo if (chan <= 2) 4601264912Skevlo group = 0; 4602264912Skevlo else if (chan <= 5) 4603264912Skevlo group = 1; 4604264912Skevlo else if (chan <= 8) 4605264912Skevlo group = 2; 4606264912Skevlo else if (chan <= 11) 4607264912Skevlo group = 3; 4608264912Skevlo else if (chan <= 13) 4609264912Skevlo group = 4; 4610264912Skevlo else 4611264912Skevlo group = 5; 4612264912Skevlo 4613264912Skevlo /* Get original Tx power based on board type and RF chain. */ 4614264912Skevlo base = &rtl8188eu_txagc[chain]; 4615264912Skevlo 4616264912Skevlo memset(power, 0, URTWN_RIDX_COUNT * sizeof(power[0])); 4617264912Skevlo if (sc->regulatory == 0) { 4618289758Savos for (ridx = URTWN_RIDX_CCK1; ridx <= URTWN_RIDX_CCK11; ridx++) 4619264912Skevlo power[ridx] = base->pwr[0][ridx]; 4620264912Skevlo } 4621289758Savos for (ridx = URTWN_RIDX_OFDM6; ridx < URTWN_RIDX_COUNT; ridx++) { 4622264912Skevlo if (sc->regulatory == 3) 4623264912Skevlo power[ridx] = base->pwr[0][ridx]; 4624264912Skevlo else if (sc->regulatory == 1) { 4625264912Skevlo if (extc == NULL) 4626264912Skevlo power[ridx] = base->pwr[group][ridx]; 4627264912Skevlo } else if (sc->regulatory != 2) 4628264912Skevlo power[ridx] = base->pwr[0][ridx]; 4629264912Skevlo } 4630264912Skevlo 4631264912Skevlo /* Compute per-CCK rate Tx power. */ 4632294198Savos cckpow = rom->cck_tx_pwr[group]; 4633289758Savos for (ridx = URTWN_RIDX_CCK1; ridx <= URTWN_RIDX_CCK11; ridx++) { 4634264912Skevlo power[ridx] += cckpow; 4635264912Skevlo if (power[ridx] > R92C_MAX_TX_PWR) 4636264912Skevlo power[ridx] = R92C_MAX_TX_PWR; 4637264912Skevlo } 4638264912Skevlo 4639294198Savos htpow = rom->ht40_tx_pwr[group]; 4640264912Skevlo 4641264912Skevlo /* Compute per-OFDM rate Tx power. */ 4642264912Skevlo ofdmpow = htpow + sc->ofdm_tx_pwr_diff; 4643289758Savos for (ridx = URTWN_RIDX_OFDM6; ridx <= URTWN_RIDX_OFDM54; ridx++) { 4644264912Skevlo power[ridx] += ofdmpow; 4645264912Skevlo if (power[ridx] > R92C_MAX_TX_PWR) 4646264912Skevlo power[ridx] = R92C_MAX_TX_PWR; 4647264912Skevlo } 4648264912Skevlo 4649264912Skevlo bw20pow = htpow + sc->bw20_tx_pwr_diff; 4650264912Skevlo for (ridx = 12; ridx <= 27; ridx++) { 4651264912Skevlo power[ridx] += bw20pow; 4652264912Skevlo if (power[ridx] > R92C_MAX_TX_PWR) 4653264912Skevlo power[ridx] = R92C_MAX_TX_PWR; 4654264912Skevlo } 4655264912Skevlo} 4656264912Skevlo 4657289066Skevlostatic void 4658251538Srpaulourtwn_set_txpower(struct urtwn_softc *sc, struct ieee80211_channel *c, 4659251538Srpaulo struct ieee80211_channel *extc) 4660251538Srpaulo{ 4661251538Srpaulo uint16_t power[URTWN_RIDX_COUNT]; 4662251538Srpaulo int i; 4663251538Srpaulo 4664251538Srpaulo for (i = 0; i < sc->ntxchains; i++) { 4665251538Srpaulo /* Compute per-rate Tx power values. */ 4666264912Skevlo if (sc->chip & URTWN_CHIP_88E) 4667264912Skevlo urtwn_r88e_get_txpower(sc, i, c, extc, power); 4668264912Skevlo else 4669264912Skevlo urtwn_get_txpower(sc, i, c, extc, power); 4670251538Srpaulo /* Write per-rate Tx power values to hardware. */ 4671251538Srpaulo urtwn_write_txpower(sc, i, power); 4672251538Srpaulo } 4673251538Srpaulo} 4674251538Srpaulo 4675251538Srpaulostatic void 4676290048Savosurtwn_set_rx_bssid_all(struct urtwn_softc *sc, int enable) 4677290048Savos{ 4678290048Savos uint32_t reg; 4679290048Savos 4680290048Savos reg = urtwn_read_4(sc, R92C_RCR); 4681290048Savos if (enable) 4682290048Savos reg &= ~R92C_RCR_CBSSID_BCN; 4683290048Savos else 4684290048Savos reg |= R92C_RCR_CBSSID_BCN; 4685290048Savos urtwn_write_4(sc, R92C_RCR, reg); 4686290048Savos} 4687290048Savos 4688290048Savosstatic void 4689290048Savosurtwn_set_gain(struct urtwn_softc *sc, uint8_t gain) 4690290048Savos{ 4691290048Savos uint32_t reg; 4692290048Savos 4693290048Savos reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(0)); 4694290048Savos reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, gain); 4695290048Savos urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), reg); 4696290048Savos 4697290048Savos if (!(sc->chip & URTWN_CHIP_88E)) { 4698290048Savos reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(1)); 4699290048Savos reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, gain); 4700290048Savos urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(1), reg); 4701290048Savos } 4702290048Savos} 4703290048Savos 4704290048Savosstatic void 4705251538Srpaulourtwn_scan_start(struct ieee80211com *ic) 4706251538Srpaulo{ 4707290048Savos struct urtwn_softc *sc = ic->ic_softc; 4708290048Savos 4709290048Savos URTWN_LOCK(sc); 4710290048Savos /* Receive beacons / probe responses from any BSSID. */ 4711290651Savos if (ic->ic_opmode != IEEE80211_M_IBSS) 4712290651Savos urtwn_set_rx_bssid_all(sc, 1); 4713290651Savos 4714290048Savos /* Set gain for scanning. */ 4715290048Savos urtwn_set_gain(sc, 0x20); 4716290048Savos URTWN_UNLOCK(sc); 4717251538Srpaulo} 4718251538Srpaulo 4719251538Srpaulostatic void 4720251538Srpaulourtwn_scan_end(struct ieee80211com *ic) 4721251538Srpaulo{ 4722290048Savos struct urtwn_softc *sc = ic->ic_softc; 4723290048Savos 4724290048Savos URTWN_LOCK(sc); 4725290048Savos /* Restore limitations. */ 4726290651Savos if (ic->ic_promisc == 0 && ic->ic_opmode != IEEE80211_M_IBSS) 4727290564Savos urtwn_set_rx_bssid_all(sc, 0); 4728290651Savos 4729290048Savos /* Set gain under link. */ 4730290048Savos urtwn_set_gain(sc, 0x32); 4731290048Savos URTWN_UNLOCK(sc); 4732251538Srpaulo} 4733251538Srpaulo 4734251538Srpaulostatic void 4735251538Srpaulourtwn_set_channel(struct ieee80211com *ic) 4736251538Srpaulo{ 4737286949Sadrian struct urtwn_softc *sc = ic->ic_softc; 4738292173Savos struct ieee80211_channel *c = ic->ic_curchan; 4739281070Srpaulo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4740251538Srpaulo 4741251538Srpaulo URTWN_LOCK(sc); 4742281070Srpaulo if (vap->iv_state == IEEE80211_S_SCAN) { 4743281070Srpaulo /* Make link LED blink during scan. */ 4744281070Srpaulo urtwn_set_led(sc, URTWN_LED_LINK, !sc->ledlink); 4745281070Srpaulo } 4746292173Savos urtwn_set_chan(sc, c, NULL); 4747292173Savos sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq); 4748292173Savos sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags); 4749292173Savos sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq); 4750292173Savos sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags); 4751251538Srpaulo URTWN_UNLOCK(sc); 4752251538Srpaulo} 4753251538Srpaulo 4754292014Savosstatic int 4755292014Savosurtwn_wme_update(struct ieee80211com *ic) 4756292014Savos{ 4757292014Savos const struct wmeParams *wmep = 4758292014Savos ic->ic_wme.wme_chanParams.cap_wmeParams; 4759292014Savos struct urtwn_softc *sc = ic->ic_softc; 4760292014Savos uint8_t aifs, acm, slottime; 4761292014Savos int ac; 4762292014Savos 4763292014Savos acm = 0; 4764292165Savos slottime = IEEE80211_GET_SLOTTIME(ic); 4765292014Savos 4766292014Savos URTWN_LOCK(sc); 4767292014Savos for (ac = WME_AC_BE; ac < WME_NUM_AC; ac++) { 4768292014Savos /* AIFS[AC] = AIFSN[AC] * aSlotTime + aSIFSTime. */ 4769292014Savos aifs = wmep[ac].wmep_aifsn * slottime + IEEE80211_DUR_SIFS; 4770292014Savos urtwn_write_4(sc, wme2queue[ac].reg, 4771292014Savos SM(R92C_EDCA_PARAM_TXOP, wmep[ac].wmep_txopLimit) | 4772292014Savos SM(R92C_EDCA_PARAM_ECWMIN, wmep[ac].wmep_logcwmin) | 4773292014Savos SM(R92C_EDCA_PARAM_ECWMAX, wmep[ac].wmep_logcwmax) | 4774292014Savos SM(R92C_EDCA_PARAM_AIFS, aifs)); 4775292014Savos if (ac != WME_AC_BE) 4776292014Savos acm |= wmep[ac].wmep_acm << ac; 4777292014Savos } 4778292014Savos 4779292014Savos if (acm != 0) 4780292014Savos acm |= R92C_ACMHWCTRL_EN; 4781292014Savos urtwn_write_1(sc, R92C_ACMHWCTRL, 4782292014Savos (urtwn_read_1(sc, R92C_ACMHWCTRL) & ~R92C_ACMHWCTRL_ACM_MASK) | 4783292014Savos acm); 4784292014Savos 4785292014Savos URTWN_UNLOCK(sc); 4786292014Savos 4787292014Savos return 0; 4788292014Savos} 4789292014Savos 4790251538Srpaulostatic void 4791294465Savosurtwn_update_slot(struct ieee80211com *ic) 4792294465Savos{ 4793294465Savos urtwn_cmd_sleepable(ic->ic_softc, NULL, 0, urtwn_update_slot_cb); 4794294465Savos} 4795294465Savos 4796294465Savosstatic void 4797294465Savosurtwn_update_slot_cb(struct urtwn_softc *sc, union sec_param *data) 4798294465Savos{ 4799294465Savos struct ieee80211com *ic = &sc->sc_ic; 4800294465Savos uint8_t slottime; 4801294465Savos 4802294465Savos slottime = IEEE80211_GET_SLOTTIME(ic); 4803294465Savos 4804294471Savos URTWN_DPRINTF(sc, URTWN_DEBUG_ANY, "%s: setting slot time to %uus\n", 4805294471Savos __func__, slottime); 4806294465Savos 4807294465Savos urtwn_write_1(sc, R92C_SLOT, slottime); 4808294465Savos urtwn_update_aifs(sc, slottime); 4809294465Savos} 4810294465Savos 4811294465Savosstatic void 4812294465Savosurtwn_update_aifs(struct urtwn_softc *sc, uint8_t slottime) 4813294465Savos{ 4814294465Savos const struct wmeParams *wmep = 4815294465Savos sc->sc_ic.ic_wme.wme_chanParams.cap_wmeParams; 4816294465Savos uint8_t aifs, ac; 4817294465Savos 4818294465Savos for (ac = WME_AC_BE; ac < WME_NUM_AC; ac++) { 4819294465Savos /* AIFS[AC] = AIFSN[AC] * aSlotTime + aSIFSTime. */ 4820294465Savos aifs = wmep[ac].wmep_aifsn * slottime + IEEE80211_DUR_SIFS; 4821294465Savos urtwn_write_1(sc, wme2queue[ac].reg, aifs); 4822294465Savos } 4823294465Savos} 4824294465Savos 4825294465Savosstatic void 4826290564Savosurtwn_set_promisc(struct urtwn_softc *sc) 4827290564Savos{ 4828290564Savos struct ieee80211com *ic = &sc->sc_ic; 4829290564Savos struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4830290564Savos uint32_t rcr, mask1, mask2; 4831290564Savos 4832290564Savos URTWN_ASSERT_LOCKED(sc); 4833290564Savos 4834290564Savos if (vap->iv_opmode == IEEE80211_M_MONITOR) 4835290564Savos return; 4836290564Savos 4837290564Savos mask1 = R92C_RCR_ACF | R92C_RCR_ADF | R92C_RCR_AMF | R92C_RCR_AAP; 4838290564Savos mask2 = R92C_RCR_APM; 4839290564Savos 4840290564Savos if (vap->iv_state == IEEE80211_S_RUN) { 4841290564Savos switch (vap->iv_opmode) { 4842290564Savos case IEEE80211_M_STA: 4843290631Savos mask2 |= R92C_RCR_CBSSID_DATA; 4844290631Savos /* FALLTHROUGH */ 4845290631Savos case IEEE80211_M_HOSTAP: 4846290631Savos mask2 |= R92C_RCR_CBSSID_BCN; 4847290564Savos break; 4848290651Savos case IEEE80211_M_IBSS: 4849290651Savos mask2 |= R92C_RCR_CBSSID_DATA; 4850290651Savos break; 4851290564Savos default: 4852290564Savos device_printf(sc->sc_dev, "%s: undefined opmode %d\n", 4853290564Savos __func__, vap->iv_opmode); 4854290564Savos return; 4855290564Savos } 4856290564Savos } 4857290564Savos 4858290564Savos rcr = urtwn_read_4(sc, R92C_RCR); 4859290564Savos if (ic->ic_promisc == 0) 4860290564Savos rcr = (rcr & ~mask1) | mask2; 4861290564Savos else 4862290564Savos rcr = (rcr & ~mask2) | mask1; 4863290564Savos urtwn_write_4(sc, R92C_RCR, rcr); 4864290564Savos} 4865290564Savos 4866290564Savosstatic void 4867290564Savosurtwn_update_promisc(struct ieee80211com *ic) 4868290564Savos{ 4869290564Savos struct urtwn_softc *sc = ic->ic_softc; 4870290564Savos 4871290564Savos URTWN_LOCK(sc); 4872290564Savos if (sc->sc_flags & URTWN_RUNNING) 4873290564Savos urtwn_set_promisc(sc); 4874290564Savos URTWN_UNLOCK(sc); 4875290564Savos} 4876290564Savos 4877290564Savosstatic void 4878283540Sglebiusurtwn_update_mcast(struct ieee80211com *ic) 4879251538Srpaulo{ 4880251538Srpaulo /* XXX do nothing? */ 4881251538Srpaulo} 4882251538Srpaulo 4883292167Savosstatic struct ieee80211_node * 4884297910Sadrianurtwn_node_alloc(struct ieee80211vap *vap, 4885292167Savos const uint8_t mac[IEEE80211_ADDR_LEN]) 4886292167Savos{ 4887292167Savos struct urtwn_node *un; 4888292167Savos 4889292167Savos un = malloc(sizeof (struct urtwn_node), M_80211_NODE, 4890292167Savos M_NOWAIT | M_ZERO); 4891292167Savos 4892292167Savos if (un == NULL) 4893292167Savos return NULL; 4894292167Savos 4895292167Savos un->id = URTWN_MACID_UNDEFINED; 4896292167Savos 4897292167Savos return &un->ni; 4898292167Savos} 4899292167Savos 4900251538Srpaulostatic void 4901297910Sadrianurtwn_newassoc(struct ieee80211_node *ni, int isnew) 4902292167Savos{ 4903292167Savos struct urtwn_softc *sc = ni->ni_ic->ic_softc; 4904292167Savos struct urtwn_node *un = URTWN_NODE(ni); 4905292167Savos uint8_t id; 4906292167Savos 4907297910Sadrian /* Only do this bit for R88E chips */ 4908297910Sadrian if (! (sc->chip & URTWN_CHIP_88E)) 4909297910Sadrian return; 4910297910Sadrian 4911292167Savos if (!isnew) 4912292167Savos return; 4913292167Savos 4914292167Savos URTWN_NT_LOCK(sc); 4915292167Savos for (id = 0; id <= URTWN_MACID_MAX(sc); id++) { 4916292167Savos if (id != URTWN_MACID_BC && sc->node_list[id] == NULL) { 4917292167Savos un->id = id; 4918292167Savos sc->node_list[id] = ni; 4919292167Savos break; 4920292167Savos } 4921292167Savos } 4922292167Savos URTWN_NT_UNLOCK(sc); 4923292167Savos 4924292167Savos if (id > URTWN_MACID_MAX(sc)) { 4925292167Savos device_printf(sc->sc_dev, "%s: node table is full\n", 4926292167Savos __func__); 4927292167Savos } 4928292167Savos} 4929292167Savos 4930292167Savosstatic void 4931297910Sadrianurtwn_node_free(struct ieee80211_node *ni) 4932292167Savos{ 4933292167Savos struct urtwn_softc *sc = ni->ni_ic->ic_softc; 4934292167Savos struct urtwn_node *un = URTWN_NODE(ni); 4935292167Savos 4936292167Savos URTWN_NT_LOCK(sc); 4937292167Savos if (un->id != URTWN_MACID_UNDEFINED) 4938292167Savos sc->node_list[un->id] = NULL; 4939292167Savos URTWN_NT_UNLOCK(sc); 4940292167Savos 4941292167Savos sc->sc_node_free(ni); 4942292167Savos} 4943292167Savos 4944292167Savosstatic void 4945251538Srpaulourtwn_set_chan(struct urtwn_softc *sc, struct ieee80211_channel *c, 4946251538Srpaulo struct ieee80211_channel *extc) 4947251538Srpaulo{ 4948287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 4949251538Srpaulo uint32_t reg; 4950251538Srpaulo u_int chan; 4951251538Srpaulo int i; 4952251538Srpaulo 4953251538Srpaulo chan = ieee80211_chan2ieee(ic, c); /* XXX center freq! */ 4954251538Srpaulo if (chan == 0 || chan == IEEE80211_CHAN_ANY) { 4955251538Srpaulo device_printf(sc->sc_dev, 4956251538Srpaulo "%s: invalid channel %x\n", __func__, chan); 4957251538Srpaulo return; 4958251538Srpaulo } 4959251538Srpaulo 4960251538Srpaulo /* Set Tx power for this new channel. */ 4961251538Srpaulo urtwn_set_txpower(sc, c, extc); 4962251538Srpaulo 4963251538Srpaulo for (i = 0; i < sc->nrxchains; i++) { 4964251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_CHNLBW, 4965251538Srpaulo RW(sc->rf_chnlbw[i], R92C_RF_CHNLBW_CHNL, chan)); 4966251538Srpaulo } 4967251538Srpaulo#ifndef IEEE80211_NO_HT 4968251538Srpaulo if (extc != NULL) { 4969251538Srpaulo /* Is secondary channel below or above primary? */ 4970251538Srpaulo int prichlo = c->ic_freq < extc->ic_freq; 4971251538Srpaulo 4972251538Srpaulo urtwn_write_1(sc, R92C_BWOPMODE, 4973251538Srpaulo urtwn_read_1(sc, R92C_BWOPMODE) & ~R92C_BWOPMODE_20MHZ); 4974251538Srpaulo 4975251538Srpaulo reg = urtwn_read_1(sc, R92C_RRSR + 2); 4976251538Srpaulo reg = (reg & ~0x6f) | (prichlo ? 1 : 2) << 5; 4977251538Srpaulo urtwn_write_1(sc, R92C_RRSR + 2, reg); 4978251538Srpaulo 4979251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_RFMOD, 4980251538Srpaulo urtwn_bb_read(sc, R92C_FPGA0_RFMOD) | R92C_RFMOD_40MHZ); 4981251538Srpaulo urtwn_bb_write(sc, R92C_FPGA1_RFMOD, 4982251538Srpaulo urtwn_bb_read(sc, R92C_FPGA1_RFMOD) | R92C_RFMOD_40MHZ); 4983251538Srpaulo 4984251538Srpaulo /* Set CCK side band. */ 4985251538Srpaulo reg = urtwn_bb_read(sc, R92C_CCK0_SYSTEM); 4986251538Srpaulo reg = (reg & ~0x00000010) | (prichlo ? 0 : 1) << 4; 4987251538Srpaulo urtwn_bb_write(sc, R92C_CCK0_SYSTEM, reg); 4988251538Srpaulo 4989251538Srpaulo reg = urtwn_bb_read(sc, R92C_OFDM1_LSTF); 4990251538Srpaulo reg = (reg & ~0x00000c00) | (prichlo ? 1 : 2) << 10; 4991251538Srpaulo urtwn_bb_write(sc, R92C_OFDM1_LSTF, reg); 4992251538Srpaulo 4993251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_ANAPARAM2, 4994251538Srpaulo urtwn_bb_read(sc, R92C_FPGA0_ANAPARAM2) & 4995251538Srpaulo ~R92C_FPGA0_ANAPARAM2_CBW20); 4996251538Srpaulo 4997251538Srpaulo reg = urtwn_bb_read(sc, 0x818); 4998251538Srpaulo reg = (reg & ~0x0c000000) | (prichlo ? 2 : 1) << 26; 4999251538Srpaulo urtwn_bb_write(sc, 0x818, reg); 5000251538Srpaulo 5001251538Srpaulo /* Select 40MHz bandwidth. */ 5002251538Srpaulo urtwn_rf_write(sc, 0, R92C_RF_CHNLBW, 5003251538Srpaulo (sc->rf_chnlbw[0] & ~0xfff) | chan); 5004251538Srpaulo } else 5005251538Srpaulo#endif 5006251538Srpaulo { 5007251538Srpaulo urtwn_write_1(sc, R92C_BWOPMODE, 5008251538Srpaulo urtwn_read_1(sc, R92C_BWOPMODE) | R92C_BWOPMODE_20MHZ); 5009251538Srpaulo 5010251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_RFMOD, 5011251538Srpaulo urtwn_bb_read(sc, R92C_FPGA0_RFMOD) & ~R92C_RFMOD_40MHZ); 5012251538Srpaulo urtwn_bb_write(sc, R92C_FPGA1_RFMOD, 5013251538Srpaulo urtwn_bb_read(sc, R92C_FPGA1_RFMOD) & ~R92C_RFMOD_40MHZ); 5014251538Srpaulo 5015264912Skevlo if (!(sc->chip & URTWN_CHIP_88E)) { 5016264912Skevlo urtwn_bb_write(sc, R92C_FPGA0_ANAPARAM2, 5017264912Skevlo urtwn_bb_read(sc, R92C_FPGA0_ANAPARAM2) | 5018264912Skevlo R92C_FPGA0_ANAPARAM2_CBW20); 5019264912Skevlo } 5020281069Srpaulo 5021251538Srpaulo /* Select 20MHz bandwidth. */ 5022251538Srpaulo urtwn_rf_write(sc, 0, R92C_RF_CHNLBW, 5023281069Srpaulo (sc->rf_chnlbw[0] & ~0xfff) | chan | 5024264912Skevlo ((sc->chip & URTWN_CHIP_88E) ? R88E_RF_CHNLBW_BW20 : 5025264912Skevlo R92C_RF_CHNLBW_BW20)); 5026251538Srpaulo } 5027251538Srpaulo} 5028251538Srpaulo 5029251538Srpaulostatic void 5030251538Srpaulourtwn_iq_calib(struct urtwn_softc *sc) 5031251538Srpaulo{ 5032251538Srpaulo /* TODO */ 5033251538Srpaulo} 5034251538Srpaulo 5035251538Srpaulostatic void 5036251538Srpaulourtwn_lc_calib(struct urtwn_softc *sc) 5037251538Srpaulo{ 5038251538Srpaulo uint32_t rf_ac[2]; 5039251538Srpaulo uint8_t txmode; 5040251538Srpaulo int i; 5041251538Srpaulo 5042251538Srpaulo txmode = urtwn_read_1(sc, R92C_OFDM1_LSTF + 3); 5043251538Srpaulo if ((txmode & 0x70) != 0) { 5044251538Srpaulo /* Disable all continuous Tx. */ 5045251538Srpaulo urtwn_write_1(sc, R92C_OFDM1_LSTF + 3, txmode & ~0x70); 5046251538Srpaulo 5047251538Srpaulo /* Set RF mode to standby mode. */ 5048251538Srpaulo for (i = 0; i < sc->nrxchains; i++) { 5049251538Srpaulo rf_ac[i] = urtwn_rf_read(sc, i, R92C_RF_AC); 5050251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_AC, 5051251538Srpaulo RW(rf_ac[i], R92C_RF_AC_MODE, 5052251538Srpaulo R92C_RF_AC_MODE_STANDBY)); 5053251538Srpaulo } 5054251538Srpaulo } else { 5055251538Srpaulo /* Block all Tx queues. */ 5056293180Savos urtwn_write_1(sc, R92C_TXPAUSE, R92C_TX_QUEUE_ALL); 5057251538Srpaulo } 5058251538Srpaulo /* Start calibration. */ 5059251538Srpaulo urtwn_rf_write(sc, 0, R92C_RF_CHNLBW, 5060251538Srpaulo urtwn_rf_read(sc, 0, R92C_RF_CHNLBW) | R92C_RF_CHNLBW_LCSTART); 5061251538Srpaulo 5062251538Srpaulo /* Give calibration the time to complete. */ 5063266472Shselasky usb_pause_mtx(&sc->sc_mtx, hz / 10); /* 100ms */ 5064251538Srpaulo 5065251538Srpaulo /* Restore configuration. */ 5066251538Srpaulo if ((txmode & 0x70) != 0) { 5067251538Srpaulo /* Restore Tx mode. */ 5068251538Srpaulo urtwn_write_1(sc, R92C_OFDM1_LSTF + 3, txmode); 5069251538Srpaulo /* Restore RF mode. */ 5070251538Srpaulo for (i = 0; i < sc->nrxchains; i++) 5071251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_AC, rf_ac[i]); 5072251538Srpaulo } else { 5073251538Srpaulo /* Unblock all Tx queues. */ 5074251538Srpaulo urtwn_write_1(sc, R92C_TXPAUSE, 0x00); 5075251538Srpaulo } 5076251538Srpaulo} 5077251538Srpaulo 5078294473Savosstatic void 5079294473Savosurtwn_temp_calib(struct urtwn_softc *sc) 5080294473Savos{ 5081294473Savos uint8_t temp; 5082294473Savos 5083294473Savos URTWN_ASSERT_LOCKED(sc); 5084294473Savos 5085294473Savos if (!(sc->sc_flags & URTWN_TEMP_MEASURED)) { 5086294473Savos /* Start measuring temperature. */ 5087294473Savos URTWN_DPRINTF(sc, URTWN_DEBUG_TEMP, 5088294473Savos "%s: start measuring temperature\n", __func__); 5089294473Savos if (sc->chip & URTWN_CHIP_88E) { 5090294473Savos urtwn_rf_write(sc, 0, R88E_RF_T_METER, 5091294473Savos R88E_RF_T_METER_START); 5092294473Savos } else { 5093294473Savos urtwn_rf_write(sc, 0, R92C_RF_T_METER, 5094294473Savos R92C_RF_T_METER_START); 5095294473Savos } 5096294473Savos sc->sc_flags |= URTWN_TEMP_MEASURED; 5097294473Savos return; 5098294473Savos } 5099294473Savos sc->sc_flags &= ~URTWN_TEMP_MEASURED; 5100294473Savos 5101294473Savos /* Read measured temperature. */ 5102294473Savos if (sc->chip & URTWN_CHIP_88E) { 5103294473Savos temp = MS(urtwn_rf_read(sc, 0, R88E_RF_T_METER), 5104294473Savos R88E_RF_T_METER_VAL); 5105294473Savos } else { 5106294473Savos temp = MS(urtwn_rf_read(sc, 0, R92C_RF_T_METER), 5107294473Savos R92C_RF_T_METER_VAL); 5108294473Savos } 5109294473Savos if (temp == 0) { /* Read failed, skip. */ 5110294473Savos URTWN_DPRINTF(sc, URTWN_DEBUG_TEMP, 5111294473Savos "%s: temperature read failed, skipping\n", __func__); 5112294473Savos return; 5113294473Savos } 5114294473Savos 5115294473Savos URTWN_DPRINTF(sc, URTWN_DEBUG_TEMP, 5116294473Savos "%s: temperature: previous %u, current %u\n", 5117294473Savos __func__, sc->thcal_lctemp, temp); 5118294473Savos 5119294473Savos /* 5120294473Savos * Redo LC calibration if temperature changed significantly since 5121294473Savos * last calibration. 5122294473Savos */ 5123294473Savos if (sc->thcal_lctemp == 0) { 5124294473Savos /* First LC calibration is performed in urtwn_init(). */ 5125294473Savos sc->thcal_lctemp = temp; 5126294473Savos } else if (abs(temp - sc->thcal_lctemp) > 1) { 5127294473Savos URTWN_DPRINTF(sc, URTWN_DEBUG_TEMP, 5128294473Savos "%s: LC calib triggered by temp: %u -> %u\n", 5129294473Savos __func__, sc->thcal_lctemp, temp); 5130294473Savos urtwn_lc_calib(sc); 5131294473Savos /* Record temperature of last LC calibration. */ 5132294473Savos sc->thcal_lctemp = temp; 5133294473Savos } 5134294473Savos} 5135294473Savos 5136291698Savosstatic int 5137287197Sglebiusurtwn_init(struct urtwn_softc *sc) 5138251538Srpaulo{ 5139287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 5140287197Sglebius struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5141287197Sglebius uint8_t macaddr[IEEE80211_ADDR_LEN]; 5142251538Srpaulo uint32_t reg; 5143291698Savos usb_error_t usb_err = USB_ERR_NORMAL_COMPLETION; 5144251538Srpaulo int error; 5145251538Srpaulo 5146291698Savos URTWN_LOCK(sc); 5147291698Savos if (sc->sc_flags & URTWN_RUNNING) { 5148291698Savos URTWN_UNLOCK(sc); 5149291698Savos return (0); 5150291698Savos } 5151264864Skevlo 5152251538Srpaulo /* Init firmware commands ring. */ 5153251538Srpaulo sc->fwcur = 0; 5154251538Srpaulo 5155251538Srpaulo /* Allocate Tx/Rx buffers. */ 5156251538Srpaulo error = urtwn_alloc_rx_list(sc); 5157251538Srpaulo if (error != 0) 5158251538Srpaulo goto fail; 5159281069Srpaulo 5160251538Srpaulo error = urtwn_alloc_tx_list(sc); 5161251538Srpaulo if (error != 0) 5162251538Srpaulo goto fail; 5163251538Srpaulo 5164251538Srpaulo /* Power on adapter. */ 5165251538Srpaulo error = urtwn_power_on(sc); 5166251538Srpaulo if (error != 0) 5167251538Srpaulo goto fail; 5168251538Srpaulo 5169251538Srpaulo /* Initialize DMA. */ 5170251538Srpaulo error = urtwn_dma_init(sc); 5171251538Srpaulo if (error != 0) 5172251538Srpaulo goto fail; 5173251538Srpaulo 5174251538Srpaulo /* Set info size in Rx descriptors (in 64-bit words). */ 5175251538Srpaulo urtwn_write_1(sc, R92C_RX_DRVINFO_SZ, 4); 5176251538Srpaulo 5177251538Srpaulo /* Init interrupts. */ 5178264912Skevlo if (sc->chip & URTWN_CHIP_88E) { 5179291698Savos usb_err = urtwn_write_4(sc, R88E_HISR, 0xffffffff); 5180291698Savos if (usb_err != USB_ERR_NORMAL_COMPLETION) 5181291698Savos goto fail; 5182291698Savos usb_err = urtwn_write_4(sc, R88E_HIMR, R88E_HIMR_CPWM | R88E_HIMR_CPWM2 | 5183264912Skevlo R88E_HIMR_TBDER | R88E_HIMR_PSTIMEOUT); 5184291698Savos if (usb_err != USB_ERR_NORMAL_COMPLETION) 5185291698Savos goto fail; 5186291698Savos usb_err = urtwn_write_4(sc, R88E_HIMRE, R88E_HIMRE_RXFOVW | 5187264912Skevlo R88E_HIMRE_TXFOVW | R88E_HIMRE_RXERR | R88E_HIMRE_TXERR); 5188291698Savos if (usb_err != USB_ERR_NORMAL_COMPLETION) 5189291698Savos goto fail; 5190291698Savos usb_err = urtwn_write_1(sc, R92C_USB_SPECIAL_OPTION, 5191264912Skevlo urtwn_read_1(sc, R92C_USB_SPECIAL_OPTION) | 5192264912Skevlo R92C_USB_SPECIAL_OPTION_INT_BULK_SEL); 5193291698Savos if (usb_err != USB_ERR_NORMAL_COMPLETION) 5194291698Savos goto fail; 5195264912Skevlo } else { 5196291698Savos usb_err = urtwn_write_4(sc, R92C_HISR, 0xffffffff); 5197291698Savos if (usb_err != USB_ERR_NORMAL_COMPLETION) 5198291698Savos goto fail; 5199291698Savos usb_err = urtwn_write_4(sc, R92C_HIMR, 0xffffffff); 5200291698Savos if (usb_err != USB_ERR_NORMAL_COMPLETION) 5201291698Savos goto fail; 5202264912Skevlo } 5203251538Srpaulo 5204251538Srpaulo /* Set MAC address. */ 5205287197Sglebius IEEE80211_ADDR_COPY(macaddr, vap ? vap->iv_myaddr : ic->ic_macaddr); 5206291698Savos usb_err = urtwn_write_region_1(sc, R92C_MACID, macaddr, IEEE80211_ADDR_LEN); 5207291698Savos if (usb_err != USB_ERR_NORMAL_COMPLETION) 5208291698Savos goto fail; 5209251538Srpaulo 5210251538Srpaulo /* Set initial network type. */ 5211289811Savos urtwn_set_mode(sc, R92C_MSR_INFRA); 5212251538Srpaulo 5213290564Savos /* Initialize Rx filter. */ 5214251538Srpaulo urtwn_rxfilter_init(sc); 5215251538Srpaulo 5216282623Skevlo /* Set response rate. */ 5217251538Srpaulo reg = urtwn_read_4(sc, R92C_RRSR); 5218251538Srpaulo reg = RW(reg, R92C_RRSR_RATE_BITMAP, R92C_RRSR_RATE_CCK_ONLY_1M); 5219251538Srpaulo urtwn_write_4(sc, R92C_RRSR, reg); 5220251538Srpaulo 5221251538Srpaulo /* Set short/long retry limits. */ 5222251538Srpaulo urtwn_write_2(sc, R92C_RL, 5223251538Srpaulo SM(R92C_RL_SRL, 0x30) | SM(R92C_RL_LRL, 0x30)); 5224251538Srpaulo 5225251538Srpaulo /* Initialize EDCA parameters. */ 5226251538Srpaulo urtwn_edca_init(sc); 5227251538Srpaulo 5228251538Srpaulo /* Setup rate fallback. */ 5229264912Skevlo if (!(sc->chip & URTWN_CHIP_88E)) { 5230264912Skevlo urtwn_write_4(sc, R92C_DARFRC + 0, 0x00000000); 5231264912Skevlo urtwn_write_4(sc, R92C_DARFRC + 4, 0x10080404); 5232264912Skevlo urtwn_write_4(sc, R92C_RARFRC + 0, 0x04030201); 5233264912Skevlo urtwn_write_4(sc, R92C_RARFRC + 4, 0x08070605); 5234264912Skevlo } 5235251538Srpaulo 5236251538Srpaulo urtwn_write_1(sc, R92C_FWHW_TXQ_CTRL, 5237251538Srpaulo urtwn_read_1(sc, R92C_FWHW_TXQ_CTRL) | 5238251538Srpaulo R92C_FWHW_TXQ_CTRL_AMPDU_RTY_NEW); 5239251538Srpaulo /* Set ACK timeout. */ 5240251538Srpaulo urtwn_write_1(sc, R92C_ACKTO, 0x40); 5241251538Srpaulo 5242251538Srpaulo /* Setup USB aggregation. */ 5243251538Srpaulo reg = urtwn_read_4(sc, R92C_TDECTRL); 5244251538Srpaulo reg = RW(reg, R92C_TDECTRL_BLK_DESC_NUM, 6); 5245251538Srpaulo urtwn_write_4(sc, R92C_TDECTRL, reg); 5246251538Srpaulo urtwn_write_1(sc, R92C_TRXDMA_CTRL, 5247251538Srpaulo urtwn_read_1(sc, R92C_TRXDMA_CTRL) | 5248251538Srpaulo R92C_TRXDMA_CTRL_RXDMA_AGG_EN); 5249251538Srpaulo urtwn_write_1(sc, R92C_RXDMA_AGG_PG_TH, 48); 5250264912Skevlo if (sc->chip & URTWN_CHIP_88E) 5251264912Skevlo urtwn_write_1(sc, R92C_RXDMA_AGG_PG_TH + 1, 4); 5252282266Skevlo else { 5253264912Skevlo urtwn_write_1(sc, R92C_USB_DMA_AGG_TO, 4); 5254282266Skevlo urtwn_write_1(sc, R92C_USB_SPECIAL_OPTION, 5255282266Skevlo urtwn_read_1(sc, R92C_USB_SPECIAL_OPTION) | 5256282266Skevlo R92C_USB_SPECIAL_OPTION_AGG_EN); 5257282266Skevlo urtwn_write_1(sc, R92C_USB_AGG_TH, 8); 5258282266Skevlo urtwn_write_1(sc, R92C_USB_AGG_TO, 6); 5259282266Skevlo } 5260251538Srpaulo 5261251538Srpaulo /* Initialize beacon parameters. */ 5262264912Skevlo urtwn_write_2(sc, R92C_BCN_CTRL, 0x1010); 5263251538Srpaulo urtwn_write_2(sc, R92C_TBTT_PROHIBIT, 0x6404); 5264251538Srpaulo urtwn_write_1(sc, R92C_DRVERLYINT, 0x05); 5265251538Srpaulo urtwn_write_1(sc, R92C_BCNDMATIM, 0x02); 5266251538Srpaulo urtwn_write_2(sc, R92C_BCNTCFG, 0x660f); 5267251538Srpaulo 5268264912Skevlo if (!(sc->chip & URTWN_CHIP_88E)) { 5269264912Skevlo /* Setup AMPDU aggregation. */ 5270264912Skevlo urtwn_write_4(sc, R92C_AGGLEN_LMT, 0x99997631); /* MCS7~0 */ 5271264912Skevlo urtwn_write_1(sc, R92C_AGGR_BREAK_TIME, 0x16); 5272264912Skevlo urtwn_write_2(sc, R92C_MAX_AGGR_NUM, 0x0708); 5273251538Srpaulo 5274264912Skevlo urtwn_write_1(sc, R92C_BCN_MAX_ERR, 0xff); 5275264912Skevlo } 5276251538Srpaulo 5277295871Savos#ifndef URTWN_WITHOUT_UCODE 5278251538Srpaulo /* Load 8051 microcode. */ 5279251538Srpaulo error = urtwn_load_firmware(sc); 5280295871Savos if (error == 0) 5281295871Savos sc->sc_flags |= URTWN_FW_LOADED; 5282295871Savos#endif 5283251538Srpaulo 5284251538Srpaulo /* Initialize MAC/BB/RF blocks. */ 5285291698Savos error = urtwn_mac_init(sc); 5286291698Savos if (error != 0) { 5287291698Savos device_printf(sc->sc_dev, 5288291698Savos "%s: error while initializing MAC block\n", __func__); 5289291698Savos goto fail; 5290291698Savos } 5291251538Srpaulo urtwn_bb_init(sc); 5292251538Srpaulo urtwn_rf_init(sc); 5293251538Srpaulo 5294290564Savos /* Reinitialize Rx filter (D3845 is not committed yet). */ 5295290564Savos urtwn_rxfilter_init(sc); 5296290564Savos 5297264912Skevlo if (sc->chip & URTWN_CHIP_88E) { 5298264912Skevlo urtwn_write_2(sc, R92C_CR, 5299264912Skevlo urtwn_read_2(sc, R92C_CR) | R92C_CR_MACTXEN | 5300264912Skevlo R92C_CR_MACRXEN); 5301264912Skevlo } 5302264912Skevlo 5303251538Srpaulo /* Turn CCK and OFDM blocks on. */ 5304251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_RFMOD); 5305251538Srpaulo reg |= R92C_RFMOD_CCK_EN; 5306291698Savos usb_err = urtwn_bb_write(sc, R92C_FPGA0_RFMOD, reg); 5307291698Savos if (usb_err != USB_ERR_NORMAL_COMPLETION) 5308291698Savos goto fail; 5309251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_RFMOD); 5310251538Srpaulo reg |= R92C_RFMOD_OFDM_EN; 5311291698Savos usb_err = urtwn_bb_write(sc, R92C_FPGA0_RFMOD, reg); 5312291698Savos if (usb_err != USB_ERR_NORMAL_COMPLETION) 5313291698Savos goto fail; 5314251538Srpaulo 5315251538Srpaulo /* Clear per-station keys table. */ 5316251538Srpaulo urtwn_cam_init(sc); 5317251538Srpaulo 5318292175Savos /* Enable decryption / encryption. */ 5319292175Savos urtwn_write_2(sc, R92C_SECCFG, 5320292175Savos R92C_SECCFG_TXUCKEY_DEF | R92C_SECCFG_RXUCKEY_DEF | 5321292175Savos R92C_SECCFG_TXENC_ENA | R92C_SECCFG_RXDEC_ENA | 5322292175Savos R92C_SECCFG_TXBCKEY_DEF | R92C_SECCFG_RXBCKEY_DEF); 5323292175Savos 5324292175Savos /* 5325292175Savos * Install static keys (if any). 5326292175Savos * Must be called after urtwn_cam_init(). 5327292175Savos */ 5328292175Savos ieee80211_runtask(ic, &sc->cmdq_task); 5329292175Savos 5330251538Srpaulo /* Enable hardware sequence numbering. */ 5331293180Savos urtwn_write_1(sc, R92C_HWSEQ_CTRL, R92C_TX_QUEUE_ALL); 5332251538Srpaulo 5333292167Savos /* Enable per-packet TX report. */ 5334292167Savos if (sc->chip & URTWN_CHIP_88E) { 5335292167Savos urtwn_write_1(sc, R88E_TX_RPT_CTRL, 5336292167Savos urtwn_read_1(sc, R88E_TX_RPT_CTRL) | R88E_TX_RPT1_ENA); 5337292167Savos } 5338292167Savos 5339251538Srpaulo /* Perform LO and IQ calibrations. */ 5340251538Srpaulo urtwn_iq_calib(sc); 5341251538Srpaulo /* Perform LC calibration. */ 5342251538Srpaulo urtwn_lc_calib(sc); 5343251538Srpaulo 5344251538Srpaulo /* Fix USB interference issue. */ 5345264912Skevlo if (!(sc->chip & URTWN_CHIP_88E)) { 5346264912Skevlo urtwn_write_1(sc, 0xfe40, 0xe0); 5347264912Skevlo urtwn_write_1(sc, 0xfe41, 0x8d); 5348264912Skevlo urtwn_write_1(sc, 0xfe42, 0x80); 5349251538Srpaulo 5350264912Skevlo urtwn_pa_bias_init(sc); 5351264912Skevlo } 5352251538Srpaulo 5353251538Srpaulo /* Initialize GPIO setting. */ 5354251538Srpaulo urtwn_write_1(sc, R92C_GPIO_MUXCFG, 5355251538Srpaulo urtwn_read_1(sc, R92C_GPIO_MUXCFG) & ~R92C_GPIO_MUXCFG_ENBT); 5356251538Srpaulo 5357251538Srpaulo /* Fix for lower temperature. */ 5358264912Skevlo if (!(sc->chip & URTWN_CHIP_88E)) 5359264912Skevlo urtwn_write_1(sc, 0x15, 0xe9); 5360251538Srpaulo 5361251538Srpaulo usbd_transfer_start(sc->sc_xfer[URTWN_BULK_RX]); 5362251538Srpaulo 5363287197Sglebius sc->sc_flags |= URTWN_RUNNING; 5364251538Srpaulo 5365251538Srpaulo callout_reset(&sc->sc_watchdog_ch, hz, urtwn_watchdog, sc); 5366251538Srpaulofail: 5367291698Savos if (usb_err != USB_ERR_NORMAL_COMPLETION) 5368291698Savos error = EIO; 5369291698Savos 5370291698Savos URTWN_UNLOCK(sc); 5371291698Savos 5372291698Savos return (error); 5373251538Srpaulo} 5374251538Srpaulo 5375251538Srpaulostatic void 5376287197Sglebiusurtwn_stop(struct urtwn_softc *sc) 5377251538Srpaulo{ 5378251538Srpaulo 5379291698Savos URTWN_LOCK(sc); 5380291698Savos if (!(sc->sc_flags & URTWN_RUNNING)) { 5381291698Savos URTWN_UNLOCK(sc); 5382291698Savos return; 5383291698Savos } 5384291698Savos 5385295871Savos sc->sc_flags &= ~(URTWN_RUNNING | URTWN_FW_LOADED | 5386295871Savos URTWN_TEMP_MEASURED); 5387294473Savos sc->thcal_lctemp = 0; 5388251538Srpaulo callout_stop(&sc->sc_watchdog_ch); 5389295874Savos 5390251538Srpaulo urtwn_abort_xfers(sc); 5391288353Sadrian urtwn_drain_mbufq(sc); 5392295874Savos urtwn_power_off(sc); 5393291698Savos URTWN_UNLOCK(sc); 5394251538Srpaulo} 5395251538Srpaulo 5396251538Srpaulostatic void 5397251538Srpaulourtwn_abort_xfers(struct urtwn_softc *sc) 5398251538Srpaulo{ 5399251538Srpaulo int i; 5400251538Srpaulo 5401251538Srpaulo URTWN_ASSERT_LOCKED(sc); 5402251538Srpaulo 5403251538Srpaulo /* abort any pending transfers */ 5404251538Srpaulo for (i = 0; i < URTWN_N_TRANSFER; i++) 5405251538Srpaulo usbd_transfer_stop(sc->sc_xfer[i]); 5406251538Srpaulo} 5407251538Srpaulo 5408251538Srpaulostatic int 5409251538Srpaulourtwn_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 5410251538Srpaulo const struct ieee80211_bpf_params *params) 5411251538Srpaulo{ 5412251538Srpaulo struct ieee80211com *ic = ni->ni_ic; 5413286949Sadrian struct urtwn_softc *sc = ic->ic_softc; 5414251538Srpaulo struct urtwn_data *bf; 5415290630Savos int error; 5416251538Srpaulo 5417297596Sadrian URTWN_DPRINTF(sc, URTWN_DEBUG_XMIT, "%s: called; m=%p\n", 5418297596Sadrian __func__, 5419297596Sadrian m); 5420297596Sadrian 5421251538Srpaulo /* prevent management frames from being sent if we're not ready */ 5422290630Savos URTWN_LOCK(sc); 5423287197Sglebius if (!(sc->sc_flags & URTWN_RUNNING)) { 5424290630Savos error = ENETDOWN; 5425290630Savos goto end; 5426251538Srpaulo } 5427290630Savos 5428251538Srpaulo bf = urtwn_getbuf(sc); 5429251538Srpaulo if (bf == NULL) { 5430290630Savos error = ENOBUFS; 5431290630Savos goto end; 5432251538Srpaulo } 5433251538Srpaulo 5434292221Savos if (params == NULL) { 5435292221Savos /* 5436292221Savos * Legacy path; interpret frame contents to decide 5437292221Savos * precisely how to send the frame. 5438292221Savos */ 5439292221Savos error = urtwn_tx_data(sc, ni, m, bf); 5440292221Savos } else { 5441292221Savos /* 5442292221Savos * Caller supplied explicit parameters to use in 5443292221Savos * sending the frame. 5444292221Savos */ 5445292221Savos error = urtwn_tx_raw(sc, ni, m, bf, params); 5446292221Savos } 5447292221Savos if (error != 0) { 5448251538Srpaulo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next); 5449290630Savos goto end; 5450251538Srpaulo } 5451290630Savos 5452288353Sadrian sc->sc_txtimer = 5; 5453290630Savos callout_reset(&sc->sc_watchdog_ch, hz, urtwn_watchdog, sc); 5454290630Savos 5455290630Savosend: 5456290630Savos if (error != 0) 5457290630Savos m_freem(m); 5458290630Savos 5459251538Srpaulo URTWN_UNLOCK(sc); 5460251538Srpaulo 5461290630Savos return (error); 5462251538Srpaulo} 5463251538Srpaulo 5464266472Shselaskystatic void 5465266472Shselaskyurtwn_ms_delay(struct urtwn_softc *sc) 5466266472Shselasky{ 5467266472Shselasky usb_pause_mtx(&sc->sc_mtx, hz / 1000); 5468266472Shselasky} 5469266472Shselasky 5470251538Srpaulostatic device_method_t urtwn_methods[] = { 5471251538Srpaulo /* Device interface */ 5472251538Srpaulo DEVMETHOD(device_probe, urtwn_match), 5473251538Srpaulo DEVMETHOD(device_attach, urtwn_attach), 5474251538Srpaulo DEVMETHOD(device_detach, urtwn_detach), 5475251538Srpaulo 5476264912Skevlo DEVMETHOD_END 5477251538Srpaulo}; 5478251538Srpaulo 5479251538Srpaulostatic driver_t urtwn_driver = { 5480251538Srpaulo "urtwn", 5481251538Srpaulo urtwn_methods, 5482251538Srpaulo sizeof(struct urtwn_softc) 5483251538Srpaulo}; 5484251538Srpaulo 5485251538Srpaulostatic devclass_t urtwn_devclass; 5486251538Srpaulo 5487251538SrpauloDRIVER_MODULE(urtwn, uhub, urtwn_driver, urtwn_devclass, NULL, NULL); 5488251538SrpauloMODULE_DEPEND(urtwn, usb, 1, 1, 1); 5489251538SrpauloMODULE_DEPEND(urtwn, wlan, 1, 1, 1); 5490295871Savos#ifndef URTWN_WITHOUT_UCODE 5491251538SrpauloMODULE_DEPEND(urtwn, firmware, 1, 1, 1); 5492295871Savos#endif 5493251538SrpauloMODULE_VERSION(urtwn, 1); 5494292080SimpUSB_PNP_HOST_INFO(urtwn_devs); 5495