if_ural.c revision 188969
1184610Salfred/* $FreeBSD: head/sys/dev/usb/wlan/if_ural.c 188969 2009-02-23 23:46:56Z thompsa $ */ 2184610Salfred 3184610Salfred/*- 4184610Salfred * Copyright (c) 2005, 2006 5184610Salfred * Damien Bergamini <damien.bergamini@free.fr> 6184610Salfred * 7184610Salfred * Copyright (c) 2006, 2008 8184610Salfred * Hans Petter Selasky <hselasky@freebsd.org> 9184610Salfred * 10184610Salfred * Permission to use, copy, modify, and distribute this software for any 11184610Salfred * purpose with or without fee is hereby granted, provided that the above 12184610Salfred * copyright notice and this permission notice appear in all copies. 13184610Salfred * 14184610Salfred * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 15184610Salfred * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 16184610Salfred * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 17184610Salfred * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 18184610Salfred * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 19184610Salfred * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 20184610Salfred * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 21184610Salfred */ 22184610Salfred 23184610Salfred#include <sys/cdefs.h> 24184610Salfred__FBSDID("$FreeBSD: head/sys/dev/usb/wlan/if_ural.c 188969 2009-02-23 23:46:56Z thompsa $"); 25184610Salfred 26184610Salfred/*- 27184610Salfred * Ralink Technology RT2500USB chipset driver 28184610Salfred * http://www.ralinktech.com/ 29184610Salfred */ 30184610Salfred 31188746Sthompsa#include "usbdevs.h" 32188942Sthompsa#include <dev/usb/usb.h> 33188942Sthompsa#include <dev/usb/usb_mfunc.h> 34188942Sthompsa#include <dev/usb/usb_error.h> 35184610Salfred 36184610Salfred#define USB_DEBUG_VAR ural_debug 37184610Salfred 38188942Sthompsa#include <dev/usb/usb_core.h> 39188942Sthompsa#include <dev/usb/usb_lookup.h> 40188942Sthompsa#include <dev/usb/usb_process.h> 41188942Sthompsa#include <dev/usb/usb_debug.h> 42188942Sthompsa#include <dev/usb/usb_request.h> 43188942Sthompsa#include <dev/usb/usb_busdma.h> 44188942Sthompsa#include <dev/usb/usb_util.h> 45184610Salfred 46188942Sthompsa#include <dev/usb/wlan/usb_wlan.h> 47188942Sthompsa#include <dev/usb/wlan/if_uralreg.h> 48188942Sthompsa#include <dev/usb/wlan/if_uralvar.h> 49184610Salfred 50184610Salfred#if USB_DEBUG 51184610Salfredstatic int ural_debug = 0; 52184610Salfred 53184610SalfredSYSCTL_NODE(_hw_usb2, OID_AUTO, ural, CTLFLAG_RW, 0, "USB ural"); 54184610SalfredSYSCTL_INT(_hw_usb2_ural, OID_AUTO, debug, CTLFLAG_RW, &ural_debug, 0, 55184610Salfred "Debug level"); 56184610Salfred#endif 57184610Salfred 58188419Sthompsa#define ural_do_request(sc,req,data) \ 59188419Sthompsa usb2_do_request_proc((sc)->sc_udev, &(sc)->sc_tq, req, data, 0, NULL, 5000) 60188419Sthompsa 61188417Sthompsa#define URAL_RSSI(rssi) \ 62188417Sthompsa ((rssi) > (RAL_NOISE_FLOOR + RAL_RSSI_CORR) ? \ 63188417Sthompsa ((rssi) - (RAL_NOISE_FLOOR + RAL_RSSI_CORR)) : 0) 64184610Salfred 65188417Sthompsa/* various supported device vendors/products */ 66188417Sthompsastatic const struct usb2_device_id ural_devs[] = { 67188417Sthompsa { USB_VP(USB_VENDOR_ASUS, USB_PRODUCT_ASUS_WL167G) }, 68188417Sthompsa { USB_VP(USB_VENDOR_ASUS, USB_PRODUCT_RALINK_RT2570) }, 69188417Sthompsa { USB_VP(USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D7050) }, 70188417Sthompsa { USB_VP(USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D7051) }, 71188417Sthompsa { USB_VP(USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_HU200TS) }, 72188417Sthompsa { USB_VP(USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_WUSB54G) }, 73188417Sthompsa { USB_VP(USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_WUSB54GP) }, 74188417Sthompsa { USB_VP(USB_VENDOR_CONCEPTRONIC2, USB_PRODUCT_CONCEPTRONIC2_C54RU) }, 75188417Sthompsa { USB_VP(USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DWLG122) }, 76188417Sthompsa { USB_VP(USB_VENDOR_GIGABYTE, USB_PRODUCT_GIGABYTE_GN54G) }, 77188417Sthompsa { USB_VP(USB_VENDOR_GIGABYTE, USB_PRODUCT_GIGABYTE_GNWBKG) }, 78188417Sthompsa { USB_VP(USB_VENDOR_GUILLEMOT, USB_PRODUCT_GUILLEMOT_HWGUSB254) }, 79188417Sthompsa { USB_VP(USB_VENDOR_MELCO, USB_PRODUCT_MELCO_KG54) }, 80188417Sthompsa { USB_VP(USB_VENDOR_MELCO, USB_PRODUCT_MELCO_KG54AI) }, 81188417Sthompsa { USB_VP(USB_VENDOR_MELCO, USB_PRODUCT_MELCO_KG54YB) }, 82188417Sthompsa { USB_VP(USB_VENDOR_MELCO, USB_PRODUCT_MELCO_NINWIFI) }, 83188417Sthompsa { USB_VP(USB_VENDOR_MSI, USB_PRODUCT_MSI_RT2570) }, 84188417Sthompsa { USB_VP(USB_VENDOR_MSI, USB_PRODUCT_MSI_RT2570_2) }, 85188417Sthompsa { USB_VP(USB_VENDOR_MSI, USB_PRODUCT_MSI_RT2570_3) }, 86188417Sthompsa { USB_VP(USB_VENDOR_NOVATECH, USB_PRODUCT_NOVATECH_NV902) }, 87188417Sthompsa { USB_VP(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2570) }, 88188417Sthompsa { USB_VP(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2570_2) }, 89188417Sthompsa { USB_VP(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2570_3) }, 90188417Sthompsa { USB_VP(USB_VENDOR_SIEMENS2, USB_PRODUCT_SIEMENS2_WL54G) }, 91188417Sthompsa { USB_VP(USB_VENDOR_SMC, USB_PRODUCT_SMC_2862WG) }, 92188417Sthompsa { USB_VP(USB_VENDOR_SPHAIRON, USB_PRODUCT_SPHAIRON_UB801R) }, 93188417Sthompsa { USB_VP(USB_VENDOR_SURECOM, USB_PRODUCT_SURECOM_RT2570) }, 94188417Sthompsa { USB_VP(USB_VENDOR_VTECH, USB_PRODUCT_VTECH_RT2570) }, 95188417Sthompsa { USB_VP(USB_VENDOR_ZINWELL, USB_PRODUCT_ZINWELL_RT2570) }, 96188417Sthompsa}; 97184610Salfred 98184610Salfredstatic usb2_callback_t ural_bulk_read_callback; 99184610Salfredstatic usb2_callback_t ural_bulk_write_callback; 100184610Salfred 101188419Sthompsastatic usb2_proc_callback_t ural_attach_post; 102188417Sthompsastatic usb2_proc_callback_t ural_task; 103188417Sthompsastatic usb2_proc_callback_t ural_scantask; 104188417Sthompsastatic usb2_proc_callback_t ural_promisctask; 105188417Sthompsastatic usb2_proc_callback_t ural_amrr_task; 106188419Sthompsastatic usb2_proc_callback_t ural_init_task; 107188419Sthompsastatic usb2_proc_callback_t ural_stop_task; 108184610Salfred 109185948Sthompsastatic struct ieee80211vap *ural_vap_create(struct ieee80211com *, 110188417Sthompsa const char name[IFNAMSIZ], int unit, int opmode, 111188417Sthompsa int flags, const uint8_t bssid[IEEE80211_ADDR_LEN], 112188417Sthompsa const uint8_t mac[IEEE80211_ADDR_LEN]); 113188417Sthompsastatic void ural_vap_delete(struct ieee80211vap *); 114188417Sthompsastatic void ural_tx_free(struct ural_tx_data *, int); 115188419Sthompsastatic void ural_setup_tx_list(struct ural_softc *); 116188419Sthompsastatic void ural_unsetup_tx_list(struct ural_softc *); 117188417Sthompsastatic int ural_newstate(struct ieee80211vap *, 118188417Sthompsa enum ieee80211_state, int); 119188417Sthompsastatic void ural_setup_tx_desc(struct ural_softc *, 120188417Sthompsa struct ural_tx_desc *, uint32_t, int, int); 121188417Sthompsastatic int ural_tx_bcn(struct ural_softc *, struct mbuf *, 122188417Sthompsa struct ieee80211_node *); 123188417Sthompsastatic int ural_tx_mgt(struct ural_softc *, struct mbuf *, 124188417Sthompsa struct ieee80211_node *); 125188417Sthompsastatic int ural_tx_data(struct ural_softc *, struct mbuf *, 126188417Sthompsa struct ieee80211_node *); 127188417Sthompsastatic void ural_start(struct ifnet *); 128188417Sthompsastatic int ural_ioctl(struct ifnet *, u_long, caddr_t); 129188417Sthompsastatic void ural_set_testmode(struct ural_softc *); 130188417Sthompsastatic void ural_eeprom_read(struct ural_softc *, uint16_t, void *, 131188417Sthompsa int); 132188417Sthompsastatic uint16_t ural_read(struct ural_softc *, uint16_t); 133188417Sthompsastatic void ural_read_multi(struct ural_softc *, uint16_t, void *, 134188417Sthompsa int); 135188417Sthompsastatic void ural_write(struct ural_softc *, uint16_t, uint16_t); 136188417Sthompsastatic void ural_write_multi(struct ural_softc *, uint16_t, void *, 137188417Sthompsa int) __unused; 138188417Sthompsastatic void ural_bbp_write(struct ural_softc *, uint8_t, uint8_t); 139188417Sthompsastatic uint8_t ural_bbp_read(struct ural_softc *, uint8_t); 140188417Sthompsastatic void ural_rf_write(struct ural_softc *, uint8_t, uint32_t); 141185948Sthompsastatic struct ieee80211_node *ural_node_alloc(struct ieee80211vap *, 142188417Sthompsa const uint8_t mac[IEEE80211_ADDR_LEN]); 143188417Sthompsastatic void ural_newassoc(struct ieee80211_node *, int); 144188417Sthompsastatic void ural_scan_start(struct ieee80211com *); 145188417Sthompsastatic void ural_scan_end(struct ieee80211com *); 146188417Sthompsastatic void ural_set_channel(struct ieee80211com *); 147188417Sthompsastatic void ural_set_chan(struct ural_softc *, 148188417Sthompsa struct ieee80211_channel *); 149188417Sthompsastatic void ural_disable_rf_tune(struct ural_softc *); 150188417Sthompsastatic void ural_enable_tsf_sync(struct ural_softc *); 151188417Sthompsastatic void ural_update_slot(struct ifnet *); 152188417Sthompsastatic void ural_set_txpreamble(struct ural_softc *); 153188417Sthompsastatic void ural_set_basicrates(struct ural_softc *, 154188417Sthompsa const struct ieee80211_channel *); 155188417Sthompsastatic void ural_set_bssid(struct ural_softc *, const uint8_t *); 156188417Sthompsastatic void ural_set_macaddr(struct ural_softc *, uint8_t *); 157188417Sthompsastatic const char *ural_get_rf(int); 158188417Sthompsastatic void ural_read_eeprom(struct ural_softc *); 159188417Sthompsastatic int ural_bbp_init(struct ural_softc *); 160188417Sthompsastatic void ural_set_txantenna(struct ural_softc *, int); 161188417Sthompsastatic void ural_set_rxantenna(struct ural_softc *, int); 162188417Sthompsastatic void ural_init(void *); 163188417Sthompsastatic int ural_raw_xmit(struct ieee80211_node *, struct mbuf *, 164188417Sthompsa const struct ieee80211_bpf_params *); 165188417Sthompsastatic void ural_amrr_start(struct ural_softc *, 166188417Sthompsa struct ieee80211_node *); 167188417Sthompsastatic void ural_amrr_timeout(void *); 168188619Sthompsastatic int ural_pause(struct ural_softc *sc, int timeout); 169188417Sthompsastatic void ural_queue_command(struct ural_softc *, 170188417Sthompsa usb2_proc_callback_t *, struct usb2_proc_msg *, 171188417Sthompsa struct usb2_proc_msg *); 172184610Salfred 173184610Salfred/* 174188417Sthompsa * Default values for MAC registers; values taken from the reference driver. 175184610Salfred */ 176188417Sthompsastatic const struct { 177188417Sthompsa uint16_t reg; 178188417Sthompsa uint16_t val; 179188417Sthompsa} ural_def_mac[] = { 180188417Sthompsa { RAL_TXRX_CSR5, 0x8c8d }, 181188417Sthompsa { RAL_TXRX_CSR6, 0x8b8a }, 182188417Sthompsa { RAL_TXRX_CSR7, 0x8687 }, 183188417Sthompsa { RAL_TXRX_CSR8, 0x0085 }, 184188417Sthompsa { RAL_MAC_CSR13, 0x1111 }, 185188417Sthompsa { RAL_MAC_CSR14, 0x1e11 }, 186188417Sthompsa { RAL_TXRX_CSR21, 0xe78f }, 187188417Sthompsa { RAL_MAC_CSR9, 0xff1d }, 188188417Sthompsa { RAL_MAC_CSR11, 0x0002 }, 189188417Sthompsa { RAL_MAC_CSR22, 0x0053 }, 190188417Sthompsa { RAL_MAC_CSR15, 0x0000 }, 191188417Sthompsa { RAL_MAC_CSR8, RAL_FRAME_SIZE }, 192188417Sthompsa { RAL_TXRX_CSR19, 0x0000 }, 193188417Sthompsa { RAL_TXRX_CSR18, 0x005a }, 194188417Sthompsa { RAL_PHY_CSR2, 0x0000 }, 195188417Sthompsa { RAL_TXRX_CSR0, 0x1ec0 }, 196188417Sthompsa { RAL_PHY_CSR4, 0x000f } 197184610Salfred}; 198184610Salfred 199184610Salfred/* 200184610Salfred * Default values for BBP registers; values taken from the reference driver. 201184610Salfred */ 202188417Sthompsastatic const struct { 203184610Salfred uint8_t reg; 204184610Salfred uint8_t val; 205188417Sthompsa} ural_def_bbp[] = { 206188417Sthompsa { 3, 0x02 }, 207188417Sthompsa { 4, 0x19 }, 208188417Sthompsa { 14, 0x1c }, 209188417Sthompsa { 15, 0x30 }, 210188417Sthompsa { 16, 0xac }, 211188417Sthompsa { 17, 0x48 }, 212188417Sthompsa { 18, 0x18 }, 213188417Sthompsa { 19, 0xff }, 214188417Sthompsa { 20, 0x1e }, 215188417Sthompsa { 21, 0x08 }, 216188417Sthompsa { 22, 0x08 }, 217188417Sthompsa { 23, 0x08 }, 218188417Sthompsa { 24, 0x80 }, 219188417Sthompsa { 25, 0x50 }, 220188417Sthompsa { 26, 0x08 }, 221188417Sthompsa { 27, 0x23 }, 222188417Sthompsa { 30, 0x10 }, 223188417Sthompsa { 31, 0x2b }, 224188417Sthompsa { 32, 0xb9 }, 225188417Sthompsa { 34, 0x12 }, 226188417Sthompsa { 35, 0x50 }, 227188417Sthompsa { 39, 0xc4 }, 228188417Sthompsa { 40, 0x02 }, 229188417Sthompsa { 41, 0x60 }, 230188417Sthompsa { 53, 0x10 }, 231188417Sthompsa { 54, 0x18 }, 232188417Sthompsa { 56, 0x08 }, 233188417Sthompsa { 57, 0x10 }, 234188417Sthompsa { 58, 0x08 }, 235188417Sthompsa { 61, 0x60 }, 236188417Sthompsa { 62, 0x10 }, 237188417Sthompsa { 75, 0xff } 238184610Salfred}; 239184610Salfred 240184610Salfred/* 241184610Salfred * Default values for RF register R2 indexed by channel numbers. 242184610Salfred */ 243184610Salfredstatic const uint32_t ural_rf2522_r2[] = { 244184610Salfred 0x307f6, 0x307fb, 0x30800, 0x30805, 0x3080a, 0x3080f, 0x30814, 245184610Salfred 0x30819, 0x3081e, 0x30823, 0x30828, 0x3082d, 0x30832, 0x3083e 246184610Salfred}; 247184610Salfred 248184610Salfredstatic const uint32_t ural_rf2523_r2[] = { 249184610Salfred 0x00327, 0x00328, 0x00329, 0x0032a, 0x0032b, 0x0032c, 0x0032d, 250184610Salfred 0x0032e, 0x0032f, 0x00340, 0x00341, 0x00342, 0x00343, 0x00346 251184610Salfred}; 252184610Salfred 253184610Salfredstatic const uint32_t ural_rf2524_r2[] = { 254184610Salfred 0x00327, 0x00328, 0x00329, 0x0032a, 0x0032b, 0x0032c, 0x0032d, 255184610Salfred 0x0032e, 0x0032f, 0x00340, 0x00341, 0x00342, 0x00343, 0x00346 256184610Salfred}; 257184610Salfred 258184610Salfredstatic const uint32_t ural_rf2525_r2[] = { 259184610Salfred 0x20327, 0x20328, 0x20329, 0x2032a, 0x2032b, 0x2032c, 0x2032d, 260184610Salfred 0x2032e, 0x2032f, 0x20340, 0x20341, 0x20342, 0x20343, 0x20346 261184610Salfred}; 262184610Salfred 263184610Salfredstatic const uint32_t ural_rf2525_hi_r2[] = { 264184610Salfred 0x2032f, 0x20340, 0x20341, 0x20342, 0x20343, 0x20344, 0x20345, 265184610Salfred 0x20346, 0x20347, 0x20348, 0x20349, 0x2034a, 0x2034b, 0x2034e 266184610Salfred}; 267184610Salfred 268184610Salfredstatic const uint32_t ural_rf2525e_r2[] = { 269184610Salfred 0x2044d, 0x2044e, 0x2044f, 0x20460, 0x20461, 0x20462, 0x20463, 270184610Salfred 0x20464, 0x20465, 0x20466, 0x20467, 0x20468, 0x20469, 0x2046b 271184610Salfred}; 272184610Salfred 273184610Salfredstatic const uint32_t ural_rf2526_hi_r2[] = { 274184610Salfred 0x0022a, 0x0022b, 0x0022b, 0x0022c, 0x0022c, 0x0022d, 0x0022d, 275184610Salfred 0x0022e, 0x0022e, 0x0022f, 0x0022d, 0x00240, 0x00240, 0x00241 276184610Salfred}; 277184610Salfred 278184610Salfredstatic const uint32_t ural_rf2526_r2[] = { 279184610Salfred 0x00226, 0x00227, 0x00227, 0x00228, 0x00228, 0x00229, 0x00229, 280184610Salfred 0x0022a, 0x0022a, 0x0022b, 0x0022b, 0x0022c, 0x0022c, 0x0022d 281184610Salfred}; 282184610Salfred 283184610Salfred/* 284184610Salfred * For dual-band RF, RF registers R1 and R4 also depend on channel number; 285184610Salfred * values taken from the reference driver. 286184610Salfred */ 287188417Sthompsastatic const struct { 288188417Sthompsa uint8_t chan; 289188417Sthompsa uint32_t r1; 290188417Sthompsa uint32_t r2; 291188417Sthompsa uint32_t r4; 292188417Sthompsa} ural_rf5222[] = { 293188417Sthompsa { 1, 0x08808, 0x0044d, 0x00282 }, 294188417Sthompsa { 2, 0x08808, 0x0044e, 0x00282 }, 295188417Sthompsa { 3, 0x08808, 0x0044f, 0x00282 }, 296188417Sthompsa { 4, 0x08808, 0x00460, 0x00282 }, 297188417Sthompsa { 5, 0x08808, 0x00461, 0x00282 }, 298188417Sthompsa { 6, 0x08808, 0x00462, 0x00282 }, 299188417Sthompsa { 7, 0x08808, 0x00463, 0x00282 }, 300188417Sthompsa { 8, 0x08808, 0x00464, 0x00282 }, 301188417Sthompsa { 9, 0x08808, 0x00465, 0x00282 }, 302188417Sthompsa { 10, 0x08808, 0x00466, 0x00282 }, 303188417Sthompsa { 11, 0x08808, 0x00467, 0x00282 }, 304188417Sthompsa { 12, 0x08808, 0x00468, 0x00282 }, 305188417Sthompsa { 13, 0x08808, 0x00469, 0x00282 }, 306188417Sthompsa { 14, 0x08808, 0x0046b, 0x00286 }, 307184610Salfred 308188417Sthompsa { 36, 0x08804, 0x06225, 0x00287 }, 309188417Sthompsa { 40, 0x08804, 0x06226, 0x00287 }, 310188417Sthompsa { 44, 0x08804, 0x06227, 0x00287 }, 311188417Sthompsa { 48, 0x08804, 0x06228, 0x00287 }, 312188417Sthompsa { 52, 0x08804, 0x06229, 0x00287 }, 313188417Sthompsa { 56, 0x08804, 0x0622a, 0x00287 }, 314188417Sthompsa { 60, 0x08804, 0x0622b, 0x00287 }, 315188417Sthompsa { 64, 0x08804, 0x0622c, 0x00287 }, 316184610Salfred 317188417Sthompsa { 100, 0x08804, 0x02200, 0x00283 }, 318188417Sthompsa { 104, 0x08804, 0x02201, 0x00283 }, 319188417Sthompsa { 108, 0x08804, 0x02202, 0x00283 }, 320188417Sthompsa { 112, 0x08804, 0x02203, 0x00283 }, 321188417Sthompsa { 116, 0x08804, 0x02204, 0x00283 }, 322188417Sthompsa { 120, 0x08804, 0x02205, 0x00283 }, 323188417Sthompsa { 124, 0x08804, 0x02206, 0x00283 }, 324188417Sthompsa { 128, 0x08804, 0x02207, 0x00283 }, 325188417Sthompsa { 132, 0x08804, 0x02208, 0x00283 }, 326188417Sthompsa { 136, 0x08804, 0x02209, 0x00283 }, 327188417Sthompsa { 140, 0x08804, 0x0220a, 0x00283 }, 328184610Salfred 329188417Sthompsa { 149, 0x08808, 0x02429, 0x00281 }, 330188417Sthompsa { 153, 0x08808, 0x0242b, 0x00281 }, 331188417Sthompsa { 157, 0x08808, 0x0242d, 0x00281 }, 332188417Sthompsa { 161, 0x08808, 0x0242f, 0x00281 } 333184610Salfred}; 334184610Salfred 335184610Salfredstatic const struct usb2_config ural_config[URAL_N_TRANSFER] = { 336188417Sthompsa [URAL_BULK_WR] = { 337184610Salfred .type = UE_BULK, 338184610Salfred .endpoint = UE_ADDR_ANY, 339184610Salfred .direction = UE_DIR_OUT, 340184610Salfred .mh.bufsize = (RAL_FRAME_SIZE + RAL_TX_DESC_SIZE + 4), 341184610Salfred .mh.flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 342188417Sthompsa .mh.callback = ural_bulk_write_callback, 343184610Salfred .mh.timeout = 5000, /* ms */ 344184610Salfred }, 345188417Sthompsa [URAL_BULK_RD] = { 346184610Salfred .type = UE_BULK, 347184610Salfred .endpoint = UE_ADDR_ANY, 348184610Salfred .direction = UE_DIR_IN, 349184610Salfred .mh.bufsize = (RAL_FRAME_SIZE + RAL_RX_DESC_SIZE), 350184610Salfred .mh.flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 351188417Sthompsa .mh.callback = ural_bulk_read_callback, 352184610Salfred }, 353184610Salfred}; 354184610Salfred 355188417Sthompsastatic device_probe_t ural_match; 356188417Sthompsastatic device_attach_t ural_attach; 357188417Sthompsastatic device_detach_t ural_detach; 358184610Salfred 359184610Salfredstatic device_method_t ural_methods[] = { 360188417Sthompsa /* Device interface */ 361188417Sthompsa DEVMETHOD(device_probe, ural_match), 362188417Sthompsa DEVMETHOD(device_attach, ural_attach), 363188417Sthompsa DEVMETHOD(device_detach, ural_detach), 364188417Sthompsa 365188417Sthompsa { 0, 0 } 366184610Salfred}; 367184610Salfred 368184610Salfredstatic driver_t ural_driver = { 369184610Salfred .name = "ural", 370184610Salfred .methods = ural_methods, 371184610Salfred .size = sizeof(struct ural_softc), 372184610Salfred}; 373184610Salfred 374188417Sthompsastatic devclass_t ural_devclass; 375188417Sthompsa 376184610SalfredDRIVER_MODULE(ural, ushub, ural_driver, ural_devclass, NULL, 0); 377188942SthompsaMODULE_DEPEND(ural, usb, 1, 1, 1); 378184610SalfredMODULE_DEPEND(ural, wlan, 1, 1, 1); 379184610SalfredMODULE_DEPEND(ural, wlan_amrr, 1, 1, 1); 380184610Salfred 381184610Salfredstatic int 382188417Sthompsaural_match(device_t self) 383184610Salfred{ 384188417Sthompsa struct usb2_attach_arg *uaa = device_get_ivars(self); 385184610Salfred 386188417Sthompsa if (uaa->usb2_mode != USB_MODE_HOST) 387184610Salfred return (ENXIO); 388188417Sthompsa if (uaa->info.bConfigIndex != 0) 389184610Salfred return (ENXIO); 390188417Sthompsa if (uaa->info.bIfaceIndex != RAL_IFACE_INDEX) 391184610Salfred return (ENXIO); 392188417Sthompsa 393184610Salfred return (usb2_lookup_id_by_uaa(ural_devs, sizeof(ural_devs), uaa)); 394184610Salfred} 395184610Salfred 396184610Salfredstatic int 397188417Sthompsaural_attach(device_t self) 398184610Salfred{ 399188417Sthompsa struct usb2_attach_arg *uaa = device_get_ivars(self); 400188417Sthompsa struct ural_softc *sc = device_get_softc(self); 401184610Salfred int error; 402188419Sthompsa uint8_t iface_index; 403184610Salfred 404188417Sthompsa device_set_usb2_desc(self); 405184610Salfred sc->sc_udev = uaa->device; 406188417Sthompsa sc->sc_dev = self; 407184610Salfred 408188417Sthompsa mtx_init(&sc->sc_mtx, device_get_nameunit(self), 409188417Sthompsa MTX_NETWORK_LOCK, MTX_DEF); 410184610Salfred 411184610Salfred iface_index = RAL_IFACE_INDEX; 412184610Salfred error = usb2_transfer_setup(uaa->device, 413184610Salfred &iface_index, sc->sc_xfer, ural_config, 414184610Salfred URAL_N_TRANSFER, sc, &sc->sc_mtx); 415184610Salfred if (error) { 416188417Sthompsa device_printf(self, "could not allocate USB transfers, " 417184610Salfred "err=%s\n", usb2_errstr(error)); 418184610Salfred goto detach; 419184610Salfred } 420188417Sthompsa error = usb2_proc_create(&sc->sc_tq, &sc->sc_mtx, 421188417Sthompsa device_get_nameunit(self), USB_PRI_MED); 422184610Salfred if (error) { 423188417Sthompsa device_printf(self, "could not setup config thread!\n"); 424184610Salfred goto detach; 425184610Salfred } 426184610Salfred 427188419Sthompsa /* fork rest of the attach code */ 428188419Sthompsa RAL_LOCK(sc); 429188419Sthompsa ural_queue_command(sc, ural_attach_post, 430188419Sthompsa &sc->sc_synctask[0].hdr, 431188419Sthompsa &sc->sc_synctask[1].hdr); 432188419Sthompsa RAL_UNLOCK(sc); 433188419Sthompsa return (0); 434188418Sthompsa 435188419Sthompsadetach: 436188419Sthompsa ural_detach(self); 437188419Sthompsa return (ENXIO); /* failure */ 438188419Sthompsa} 439188419Sthompsa 440188419Sthompsastatic void 441188419Sthompsaural_attach_post(struct usb2_proc_msg *pm) 442188419Sthompsa{ 443188419Sthompsa struct ural_task *task = (struct ural_task *)pm; 444188419Sthompsa struct ural_softc *sc = task->sc; 445188419Sthompsa struct ifnet *ifp; 446188419Sthompsa struct ieee80211com *ic; 447188419Sthompsa uint8_t bands; 448188419Sthompsa 449188417Sthompsa /* retrieve RT2570 rev. no */ 450188417Sthompsa sc->asic_rev = ural_read(sc, RAL_MAC_CSR0); 451184610Salfred 452188417Sthompsa /* retrieve MAC address and various other things from EEPROM */ 453188417Sthompsa ural_read_eeprom(sc); 454188417Sthompsa RAL_UNLOCK(sc); 455184610Salfred 456188417Sthompsa device_printf(sc->sc_dev, "MAC/BBP RT2570 (rev 0x%02x), RF %s\n", 457188417Sthompsa sc->asic_rev, ural_get_rf(sc->rf_rev)); 458184610Salfred 459188419Sthompsa ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 460188419Sthompsa if (ifp == NULL) { 461188419Sthompsa device_printf(sc->sc_dev, "can not if_alloc()\n"); 462188419Sthompsa RAL_LOCK(sc); 463188419Sthompsa return; 464188419Sthompsa } 465188419Sthompsa ic = ifp->if_l2com; 466188419Sthompsa 467188417Sthompsa ifp->if_softc = sc; 468188417Sthompsa if_initname(ifp, "ural", device_get_unit(sc->sc_dev)); 469188417Sthompsa ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 470188417Sthompsa ifp->if_init = ural_init; 471188417Sthompsa ifp->if_ioctl = ural_ioctl; 472188417Sthompsa ifp->if_start = ural_start; 473188417Sthompsa IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 474188417Sthompsa ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN; 475188417Sthompsa IFQ_SET_READY(&ifp->if_snd); 476184610Salfred 477188417Sthompsa ic->ic_ifp = ifp; 478188417Sthompsa ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 479188419Sthompsa IEEE80211_ADDR_COPY(ic->ic_myaddr, sc->sc_bssid); 480184610Salfred 481188417Sthompsa /* set device capabilities */ 482188417Sthompsa ic->ic_caps = 483188417Sthompsa IEEE80211_C_STA /* station mode supported */ 484188417Sthompsa | IEEE80211_C_IBSS /* IBSS mode supported */ 485188417Sthompsa | IEEE80211_C_MONITOR /* monitor mode supported */ 486188417Sthompsa | IEEE80211_C_HOSTAP /* HostAp mode supported */ 487188417Sthompsa | IEEE80211_C_TXPMGT /* tx power management */ 488188417Sthompsa | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 489188417Sthompsa | IEEE80211_C_SHSLOT /* short slot time supported */ 490188417Sthompsa | IEEE80211_C_BGSCAN /* bg scanning supported */ 491188417Sthompsa | IEEE80211_C_WPA /* 802.11i */ 492188417Sthompsa ; 493184610Salfred 494188417Sthompsa bands = 0; 495188417Sthompsa setbit(&bands, IEEE80211_MODE_11B); 496188417Sthompsa setbit(&bands, IEEE80211_MODE_11G); 497188417Sthompsa if (sc->rf_rev == RAL_RF_5222) 498188417Sthompsa setbit(&bands, IEEE80211_MODE_11A); 499188417Sthompsa ieee80211_init_channels(ic, NULL, &bands); 500184610Salfred 501188417Sthompsa ieee80211_ifattach(ic); 502188417Sthompsa ic->ic_newassoc = ural_newassoc; 503188417Sthompsa ic->ic_raw_xmit = ural_raw_xmit; 504188417Sthompsa ic->ic_node_alloc = ural_node_alloc; 505188417Sthompsa ic->ic_scan_start = ural_scan_start; 506188417Sthompsa ic->ic_scan_end = ural_scan_end; 507188417Sthompsa ic->ic_set_channel = ural_set_channel; 508184610Salfred 509188417Sthompsa ic->ic_vap_create = ural_vap_create; 510188417Sthompsa ic->ic_vap_delete = ural_vap_delete; 511184610Salfred 512188417Sthompsa sc->sc_rates = ieee80211_get_ratetable(ic->ic_curchan); 513184610Salfred 514188417Sthompsa bpfattach(ifp, DLT_IEEE802_11_RADIO, 515188417Sthompsa sizeof (struct ieee80211_frame) + sizeof(sc->sc_txtap)); 516184610Salfred 517188417Sthompsa sc->sc_rxtap_len = sizeof sc->sc_rxtap; 518188417Sthompsa sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 519188417Sthompsa sc->sc_rxtap.wr_ihdr.it_present = htole32(RAL_RX_RADIOTAP_PRESENT); 520184610Salfred 521188417Sthompsa sc->sc_txtap_len = sizeof sc->sc_txtap; 522188417Sthompsa sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 523188417Sthompsa sc->sc_txtap.wt_ihdr.it_present = htole32(RAL_TX_RADIOTAP_PRESENT); 524184610Salfred 525188417Sthompsa if (bootverbose) 526188417Sthompsa ieee80211_announce(ic); 527184610Salfred 528188419Sthompsa RAL_LOCK(sc); 529188417Sthompsa} 530184610Salfred 531188417Sthompsastatic int 532188417Sthompsaural_detach(device_t self) 533188417Sthompsa{ 534188417Sthompsa struct ural_softc *sc = device_get_softc(self); 535188417Sthompsa struct ifnet *ifp = sc->sc_ifp; 536188619Sthompsa struct ieee80211com *ic; 537184610Salfred 538188419Sthompsa /* wait for any post attach or other command to complete */ 539188419Sthompsa usb2_proc_drain(&sc->sc_tq); 540184610Salfred 541188419Sthompsa /* stop all USB transfers */ 542188417Sthompsa usb2_transfer_unsetup(sc->sc_xfer, URAL_N_TRANSFER); 543188417Sthompsa usb2_proc_free(&sc->sc_tq); 544184610Salfred 545188419Sthompsa /* free TX list, if any */ 546188419Sthompsa RAL_LOCK(sc); 547188419Sthompsa ural_unsetup_tx_list(sc); 548188419Sthompsa RAL_UNLOCK(sc); 549188419Sthompsa 550188417Sthompsa if (ifp) { 551188619Sthompsa ic = ifp->if_l2com; 552188417Sthompsa bpfdetach(ifp); 553188417Sthompsa ieee80211_ifdetach(ic); 554188417Sthompsa if_free(ifp); 555184610Salfred } 556188419Sthompsa 557188417Sthompsa mtx_destroy(&sc->sc_mtx); 558184610Salfred 559188417Sthompsa return (0); 560184610Salfred} 561184610Salfred 562188417Sthompsastatic struct ieee80211vap * 563188417Sthompsaural_vap_create(struct ieee80211com *ic, 564188417Sthompsa const char name[IFNAMSIZ], int unit, int opmode, int flags, 565188417Sthompsa const uint8_t bssid[IEEE80211_ADDR_LEN], 566188417Sthompsa const uint8_t mac[IEEE80211_ADDR_LEN]) 567184610Salfred{ 568188417Sthompsa struct ural_softc *sc = ic->ic_ifp->if_softc; 569188417Sthompsa struct ural_vap *uvp; 570188417Sthompsa struct ieee80211vap *vap; 571184610Salfred 572188417Sthompsa if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 573188417Sthompsa return NULL; 574188417Sthompsa uvp = (struct ural_vap *) malloc(sizeof(struct ural_vap), 575188417Sthompsa M_80211_VAP, M_NOWAIT | M_ZERO); 576188417Sthompsa if (uvp == NULL) 577188417Sthompsa return NULL; 578188417Sthompsa vap = &uvp->vap; 579188417Sthompsa /* enable s/w bmiss handling for sta mode */ 580188417Sthompsa ieee80211_vap_setup(ic, vap, name, unit, opmode, 581188417Sthompsa flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); 582184610Salfred 583188417Sthompsa /* override state transition machine */ 584188417Sthompsa uvp->newstate = vap->iv_newstate; 585188417Sthompsa vap->iv_newstate = ural_newstate; 586184610Salfred 587188417Sthompsa uvp->sc = sc; 588188417Sthompsa usb2_callout_init_mtx(&uvp->amrr_ch, &sc->sc_mtx, 0); 589188417Sthompsa ieee80211_amrr_init(&uvp->amrr, vap, 590188417Sthompsa IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD, 591188417Sthompsa IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD, 592188417Sthompsa 1000 /* 1 sec */); 593184610Salfred 594188417Sthompsa /* complete setup */ 595188417Sthompsa ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status); 596188417Sthompsa ic->ic_opmode = opmode; 597188417Sthompsa return vap; 598184610Salfred} 599184610Salfred 600184610Salfredstatic void 601188417Sthompsaural_vap_delete(struct ieee80211vap *vap) 602184610Salfred{ 603188417Sthompsa struct ural_vap *uvp = URAL_VAP(vap); 604184610Salfred 605188419Sthompsa usb2_callout_drain(&uvp->amrr_ch); 606188417Sthompsa ieee80211_amrr_cleanup(&uvp->amrr); 607188417Sthompsa ieee80211_vap_detach(vap); 608188417Sthompsa free(uvp, M_80211_VAP); 609184610Salfred} 610184610Salfred 611184610Salfredstatic void 612188417Sthompsaural_tx_free(struct ural_tx_data *data, int txerr) 613184610Salfred{ 614188417Sthompsa struct ural_softc *sc = data->sc; 615184610Salfred 616188417Sthompsa if (data->m != NULL) { 617188417Sthompsa if (data->m->m_flags & M_TXCB) 618188417Sthompsa ieee80211_process_callback(data->ni, data->m, 619188417Sthompsa txerr ? ETIMEDOUT : 0); 620188417Sthompsa m_freem(data->m); 621188417Sthompsa data->m = NULL; 622184610Salfred 623188417Sthompsa ieee80211_free_node(data->ni); 624188417Sthompsa data->ni = NULL; 625188417Sthompsa } 626188417Sthompsa STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 627188417Sthompsa sc->tx_nfree++; 628184610Salfred} 629184610Salfred 630188419Sthompsastatic void 631188419Sthompsaural_setup_tx_list(struct ural_softc *sc) 632184610Salfred{ 633188417Sthompsa struct ural_tx_data *data; 634188417Sthompsa int i; 635184610Salfred 636188417Sthompsa sc->tx_nfree = 0; 637188417Sthompsa STAILQ_INIT(&sc->tx_q); 638188417Sthompsa STAILQ_INIT(&sc->tx_free); 639184610Salfred 640188417Sthompsa for (i = 0; i < RAL_TX_LIST_COUNT; i++) { 641188417Sthompsa data = &sc->tx_data[i]; 642184610Salfred 643188417Sthompsa data->sc = sc; 644188417Sthompsa STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 645188417Sthompsa sc->tx_nfree++; 646184610Salfred } 647184610Salfred} 648184610Salfred 649184610Salfredstatic void 650188419Sthompsaural_unsetup_tx_list(struct ural_softc *sc) 651184610Salfred{ 652188417Sthompsa struct ural_tx_data *data; 653188417Sthompsa int i; 654184610Salfred 655188419Sthompsa /* make sure any subsequent use of the queues will fail */ 656188419Sthompsa sc->tx_nfree = 0; 657188419Sthompsa STAILQ_INIT(&sc->tx_q); 658188419Sthompsa STAILQ_INIT(&sc->tx_free); 659184610Salfred 660188419Sthompsa /* free up all node references and mbufs */ 661188417Sthompsa for (i = 0; i < RAL_TX_LIST_COUNT; i++) { 662188417Sthompsa data = &sc->tx_data[i]; 663184610Salfred 664188417Sthompsa if (data->m != NULL) { 665188417Sthompsa m_freem(data->m); 666188417Sthompsa data->m = NULL; 667188417Sthompsa } 668188417Sthompsa if (data->ni != NULL) { 669188417Sthompsa ieee80211_free_node(data->ni); 670188417Sthompsa data->ni = NULL; 671188417Sthompsa } 672184610Salfred } 673184610Salfred} 674184610Salfred 675184610Salfredstatic void 676188417Sthompsaural_task(struct usb2_proc_msg *pm) 677184610Salfred{ 678188417Sthompsa struct ural_task *task = (struct ural_task *)pm; 679188417Sthompsa struct ural_softc *sc = task->sc; 680188417Sthompsa struct ifnet *ifp = sc->sc_ifp; 681188417Sthompsa struct ieee80211com *ic = ifp->if_l2com; 682188417Sthompsa struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 683188417Sthompsa struct ural_vap *uvp = URAL_VAP(vap); 684188417Sthompsa const struct ieee80211_txparam *tp; 685188417Sthompsa enum ieee80211_state ostate; 686188417Sthompsa struct ieee80211_node *ni; 687188417Sthompsa struct mbuf *m; 688184610Salfred 689188417Sthompsa ostate = vap->iv_state; 690184610Salfred 691188417Sthompsa switch (sc->sc_state) { 692188417Sthompsa case IEEE80211_S_INIT: 693188417Sthompsa if (ostate == IEEE80211_S_RUN) { 694188417Sthompsa /* abort TSF synchronization */ 695188417Sthompsa ural_write(sc, RAL_TXRX_CSR19, 0); 696184610Salfred 697188417Sthompsa /* force tx led to stop blinking */ 698188417Sthompsa ural_write(sc, RAL_MAC_CSR20, 0); 699188417Sthompsa } 700188417Sthompsa break; 701184610Salfred 702188417Sthompsa case IEEE80211_S_RUN: 703188417Sthompsa ni = vap->iv_bss; 704188417Sthompsa 705188417Sthompsa if (vap->iv_opmode != IEEE80211_M_MONITOR) { 706188417Sthompsa ural_update_slot(ic->ic_ifp); 707188417Sthompsa ural_set_txpreamble(sc); 708188417Sthompsa ural_set_basicrates(sc, ic->ic_bsschan); 709188419Sthompsa IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid); 710188419Sthompsa ural_set_bssid(sc, sc->sc_bssid); 711188417Sthompsa } 712188417Sthompsa 713188417Sthompsa if (vap->iv_opmode == IEEE80211_M_HOSTAP || 714188417Sthompsa vap->iv_opmode == IEEE80211_M_IBSS) { 715188417Sthompsa m = ieee80211_beacon_alloc(ni, &uvp->bo); 716188417Sthompsa if (m == NULL) { 717188417Sthompsa device_printf(sc->sc_dev, 718188417Sthompsa "could not allocate beacon\n"); 719188417Sthompsa return; 720184610Salfred } 721188417Sthompsa 722188417Sthompsa if (ural_tx_bcn(sc, m, ni) != 0) { 723188417Sthompsa device_printf(sc->sc_dev, 724188417Sthompsa "could not send beacon\n"); 725184610Salfred return; 726184610Salfred } 727184610Salfred } 728184610Salfred 729188417Sthompsa /* make tx led blink on tx (controlled by ASIC) */ 730188417Sthompsa ural_write(sc, RAL_MAC_CSR20, 1); 731184610Salfred 732188417Sthompsa if (vap->iv_opmode != IEEE80211_M_MONITOR) 733188417Sthompsa ural_enable_tsf_sync(sc); 734184610Salfred 735188417Sthompsa /* enable automatic rate adaptation */ 736188417Sthompsa tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)]; 737188417Sthompsa if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) 738188417Sthompsa ural_amrr_start(sc, ni); 739184610Salfred 740188417Sthompsa break; 741184610Salfred 742188417Sthompsa default: 743188417Sthompsa break; 744188417Sthompsa } 745184610Salfred 746188417Sthompsa RAL_UNLOCK(sc); 747188417Sthompsa IEEE80211_LOCK(ic); 748188417Sthompsa uvp->newstate(vap, sc->sc_state, sc->sc_arg); 749188417Sthompsa if (vap->iv_newstate_cb != NULL) 750188417Sthompsa vap->iv_newstate_cb(vap, sc->sc_state, sc->sc_arg); 751188417Sthompsa IEEE80211_UNLOCK(ic); 752188417Sthompsa RAL_LOCK(sc); 753188417Sthompsa} 754184610Salfred 755188417Sthompsastatic void 756188417Sthompsaural_scantask(struct usb2_proc_msg *pm) 757188417Sthompsa{ 758188417Sthompsa struct ural_task *task = (struct ural_task *)pm; 759188417Sthompsa struct ural_softc *sc = task->sc; 760188417Sthompsa struct ifnet *ifp = sc->sc_ifp; 761188417Sthompsa struct ieee80211com *ic = ifp->if_l2com; 762184610Salfred 763188417Sthompsa RAL_LOCK_ASSERT(sc, MA_OWNED); 764184610Salfred 765188419Sthompsa switch (sc->sc_scan_action) { 766188419Sthompsa case URAL_SCAN_START: 767188417Sthompsa /* abort TSF synchronization */ 768188417Sthompsa DPRINTF("starting scan\n"); 769188417Sthompsa ural_write(sc, RAL_TXRX_CSR19, 0); 770188417Sthompsa ural_set_bssid(sc, ifp->if_broadcastaddr); 771188419Sthompsa break; 772188419Sthompsa 773188419Sthompsa case URAL_SET_CHANNEL: 774188417Sthompsa ural_set_chan(sc, ic->ic_curchan); 775188419Sthompsa break; 776188419Sthompsa 777188419Sthompsa default: /* URAL_SCAN_END */ 778188417Sthompsa DPRINTF("stopping scan\n"); 779188417Sthompsa ural_enable_tsf_sync(sc); 780188419Sthompsa ural_set_bssid(sc, sc->sc_bssid); 781188419Sthompsa break; 782188419Sthompsa } 783188417Sthompsa} 784184610Salfred 785188417Sthompsastatic int 786188417Sthompsaural_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 787188417Sthompsa{ 788188417Sthompsa struct ural_vap *uvp = URAL_VAP(vap); 789188417Sthompsa struct ieee80211com *ic = vap->iv_ic; 790188417Sthompsa struct ural_softc *sc = ic->ic_ifp->if_softc; 791184610Salfred 792188417Sthompsa DPRINTF("%s -> %s\n", 793188417Sthompsa ieee80211_state_name[vap->iv_state], 794188417Sthompsa ieee80211_state_name[nstate]); 795184610Salfred 796188417Sthompsa RAL_LOCK(sc); 797188417Sthompsa usb2_callout_stop(&uvp->amrr_ch); 798184610Salfred 799188417Sthompsa /* do it in a process context */ 800188417Sthompsa sc->sc_state = nstate; 801188417Sthompsa sc->sc_arg = arg; 802188417Sthompsa RAL_UNLOCK(sc); 803184610Salfred 804188417Sthompsa if (nstate == IEEE80211_S_INIT) { 805188417Sthompsa uvp->newstate(vap, nstate, arg); 806188417Sthompsa return 0; 807188417Sthompsa } else { 808188417Sthompsa RAL_LOCK(sc); 809188417Sthompsa ural_queue_command(sc, ural_task, &sc->sc_task[0].hdr, 810188417Sthompsa &sc->sc_task[1].hdr); 811188417Sthompsa RAL_UNLOCK(sc); 812188417Sthompsa return EINPROGRESS; 813184610Salfred } 814188417Sthompsa} 815184610Salfred 816184610Salfred 817188417Sthompsastatic void 818188417Sthompsaural_bulk_write_callback(struct usb2_xfer *xfer) 819188417Sthompsa{ 820188417Sthompsa struct ural_softc *sc = xfer->priv_sc; 821188417Sthompsa struct ifnet *ifp = sc->sc_ifp; 822188417Sthompsa struct ieee80211com *ic = ifp->if_l2com; 823188417Sthompsa struct ieee80211_channel *c = ic->ic_curchan; 824188417Sthompsa struct ural_tx_data *data; 825188417Sthompsa struct mbuf *m; 826188419Sthompsa unsigned int len; 827184610Salfred 828188417Sthompsa switch (USB_GET_STATE(xfer)) { 829188417Sthompsa case USB_ST_TRANSFERRED: 830188417Sthompsa DPRINTFN(11, "transfer complete, %d bytes\n", xfer->actlen); 831184610Salfred 832188417Sthompsa /* free resources */ 833188417Sthompsa data = xfer->priv_fifo; 834188417Sthompsa ural_tx_free(data, 0); 835188417Sthompsa xfer->priv_fifo = NULL; 836184610Salfred 837188417Sthompsa ifp->if_opackets++; 838188417Sthompsa ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 839184610Salfred 840188417Sthompsa /* FALLTHROUGH */ 841188417Sthompsa case USB_ST_SETUP: 842188417Sthompsatr_setup: 843188417Sthompsa data = STAILQ_FIRST(&sc->tx_q); 844188417Sthompsa if (data) { 845188417Sthompsa STAILQ_REMOVE_HEAD(&sc->tx_q, next); 846188417Sthompsa m = data->m; 847184610Salfred 848188417Sthompsa if (m->m_pkthdr.len > (RAL_FRAME_SIZE + RAL_TX_DESC_SIZE)) { 849188417Sthompsa DPRINTFN(0, "data overflow, %u bytes\n", 850188417Sthompsa m->m_pkthdr.len); 851188417Sthompsa m->m_pkthdr.len = (RAL_FRAME_SIZE + RAL_TX_DESC_SIZE); 852188417Sthompsa } 853188417Sthompsa usb2_copy_in(xfer->frbuffers, 0, &data->desc, 854188417Sthompsa RAL_TX_DESC_SIZE); 855188417Sthompsa usb2_m_copy_in(xfer->frbuffers, RAL_TX_DESC_SIZE, m, 0, 856188417Sthompsa m->m_pkthdr.len); 857184610Salfred 858188417Sthompsa if (bpf_peers_present(ifp->if_bpf)) { 859188417Sthompsa struct ural_tx_radiotap_header *tap = &sc->sc_txtap; 860184610Salfred 861188417Sthompsa tap->wt_flags = 0; 862188417Sthompsa tap->wt_rate = data->rate; 863188417Sthompsa tap->wt_chan_freq = htole16(c->ic_freq); 864188417Sthompsa tap->wt_chan_flags = htole16(c->ic_flags); 865188417Sthompsa tap->wt_antenna = sc->tx_ant; 866184610Salfred 867188417Sthompsa bpf_mtap2(ifp->if_bpf, tap, sc->sc_txtap_len, m); 868188417Sthompsa } 869184610Salfred 870188417Sthompsa /* xfer length needs to be a multiple of two! */ 871188417Sthompsa len = (RAL_TX_DESC_SIZE + m->m_pkthdr.len + 1) & ~1; 872188417Sthompsa if ((len % 64) == 0) 873188417Sthompsa len += 2; 874184610Salfred 875188417Sthompsa DPRINTFN(11, "sending frame len=%u xferlen=%u\n", 876188417Sthompsa m->m_pkthdr.len, len); 877184610Salfred 878188417Sthompsa xfer->frlengths[0] = len; 879188417Sthompsa xfer->priv_fifo = data; 880184610Salfred 881188417Sthompsa usb2_start_hardware(xfer); 882188417Sthompsa } 883188417Sthompsa break; 884184610Salfred 885188417Sthompsa default: /* Error */ 886188417Sthompsa DPRINTFN(11, "transfer error, %s\n", 887188417Sthompsa usb2_errstr(xfer->error)); 888184610Salfred 889188419Sthompsa ifp->if_oerrors++; 890188419Sthompsa data = xfer->priv_fifo; 891188419Sthompsa if (data != NULL) { 892188419Sthompsa ural_tx_free(data, xfer->error); 893188419Sthompsa xfer->priv_fifo = NULL; 894188419Sthompsa } 895188419Sthompsa 896188417Sthompsa if (xfer->error == USB_ERR_STALLED) { 897188417Sthompsa /* try to clear stall first */ 898188417Sthompsa xfer->flags.stall_pipe = 1; 899188417Sthompsa goto tr_setup; 900188417Sthompsa } 901188417Sthompsa if (xfer->error == USB_ERR_TIMEOUT) 902188417Sthompsa device_printf(sc->sc_dev, "device timeout\n"); 903188417Sthompsa break; 904184610Salfred } 905184610Salfred} 906184610Salfred 907184610Salfredstatic void 908184610Salfredural_bulk_read_callback(struct usb2_xfer *xfer) 909184610Salfred{ 910184610Salfred struct ural_softc *sc = xfer->priv_sc; 911184610Salfred struct ifnet *ifp = sc->sc_ifp; 912184610Salfred struct ieee80211com *ic = ifp->if_l2com; 913184610Salfred struct ieee80211_node *ni; 914184610Salfred struct mbuf *m = NULL; 915184610Salfred uint32_t flags; 916184610Salfred uint8_t rssi = 0; 917188419Sthompsa unsigned int len; 918184610Salfred 919184610Salfred switch (USB_GET_STATE(xfer)) { 920184610Salfred case USB_ST_TRANSFERRED: 921184610Salfred 922184610Salfred DPRINTFN(15, "rx done, actlen=%d\n", xfer->actlen); 923184610Salfred 924188417Sthompsa len = xfer->actlen; 925188417Sthompsa if (len < RAL_RX_DESC_SIZE + IEEE80211_MIN_LEN) { 926188417Sthompsa DPRINTF("%s: xfer too short %d\n", 927188417Sthompsa device_get_nameunit(sc->sc_dev), len); 928184610Salfred ifp->if_ierrors++; 929184610Salfred goto tr_setup; 930184610Salfred } 931184610Salfred 932188417Sthompsa len -= RAL_RX_DESC_SIZE; 933188417Sthompsa /* rx descriptor is located at the end */ 934188417Sthompsa usb2_copy_out(xfer->frbuffers, len, &sc->sc_rx_desc, 935188417Sthompsa RAL_RX_DESC_SIZE); 936184610Salfred 937188417Sthompsa rssi = URAL_RSSI(sc->sc_rx_desc.rssi); 938184610Salfred flags = le32toh(sc->sc_rx_desc.flags); 939184610Salfred if (flags & (RAL_RX_PHY_ERROR | RAL_RX_CRC_ERROR)) { 940184610Salfred /* 941184610Salfred * This should not happen since we did not 942184610Salfred * request to receive those frames when we 943184610Salfred * filled RAL_TXRX_CSR2: 944184610Salfred */ 945188417Sthompsa DPRINTFN(5, "PHY or CRC error\n"); 946184610Salfred ifp->if_ierrors++; 947184610Salfred goto tr_setup; 948184610Salfred } 949184610Salfred 950184610Salfred m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 951184610Salfred if (m == NULL) { 952184610Salfred DPRINTF("could not allocate mbuf\n"); 953184610Salfred ifp->if_ierrors++; 954184610Salfred goto tr_setup; 955184610Salfred } 956188417Sthompsa usb2_copy_out(xfer->frbuffers, 0, mtod(m, uint8_t *), len); 957184610Salfred 958184610Salfred /* finalize mbuf */ 959184610Salfred m->m_pkthdr.rcvif = ifp; 960188417Sthompsa m->m_pkthdr.len = m->m_len = (flags >> 16) & 0xfff; 961184610Salfred 962184610Salfred if (bpf_peers_present(ifp->if_bpf)) { 963184610Salfred struct ural_rx_radiotap_header *tap = &sc->sc_rxtap; 964184610Salfred 965184610Salfred tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 966184610Salfred tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate, 967188417Sthompsa (flags & RAL_RX_OFDM) ? 968184610Salfred IEEE80211_T_OFDM : IEEE80211_T_CCK); 969184610Salfred tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 970184610Salfred tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 971188417Sthompsa tap->wr_antenna = sc->rx_ant; 972184610Salfred tap->wr_antsignal = rssi; 973184610Salfred 974184610Salfred bpf_mtap2(ifp->if_bpf, tap, sc->sc_rxtap_len, m); 975184610Salfred } 976184610Salfred /* Strip trailing 802.11 MAC FCS. */ 977184610Salfred m_adj(m, -IEEE80211_CRC_LEN); 978184610Salfred 979188417Sthompsa /* FALLTHROUGH */ 980184610Salfred case USB_ST_SETUP: 981184610Salfredtr_setup: 982188417Sthompsa xfer->frlengths[0] = xfer->max_data_length; 983188417Sthompsa usb2_start_hardware(xfer); 984184610Salfred 985184610Salfred /* 986184610Salfred * At the end of a USB callback it is always safe to unlock 987184610Salfred * the private mutex of a device! That is why we do the 988184610Salfred * "ieee80211_input" here, and not some lines up! 989184610Salfred */ 990184610Salfred if (m) { 991188417Sthompsa RAL_UNLOCK(sc); 992188417Sthompsa ni = ieee80211_find_rxnode(ic, 993188417Sthompsa mtod(m, struct ieee80211_frame_min *)); 994188417Sthompsa if (ni != NULL) { 995188417Sthompsa (void) ieee80211_input(ni, m, rssi, 996188417Sthompsa RAL_NOISE_FLOOR, 0); 997184610Salfred ieee80211_free_node(ni); 998188417Sthompsa } else 999188417Sthompsa (void) ieee80211_input_all(ic, m, rssi, 1000188417Sthompsa RAL_NOISE_FLOOR, 0); 1001188417Sthompsa RAL_LOCK(sc); 1002184610Salfred } 1003184610Salfred return; 1004184610Salfred 1005184610Salfred default: /* Error */ 1006184610Salfred if (xfer->error != USB_ERR_CANCELLED) { 1007184610Salfred /* try to clear stall first */ 1008188417Sthompsa xfer->flags.stall_pipe = 1; 1009188417Sthompsa goto tr_setup; 1010184610Salfred } 1011184610Salfred return; 1012184610Salfred } 1013184610Salfred} 1014184610Salfred 1015184610Salfredstatic uint8_t 1016188417Sthompsaural_plcp_signal(int rate) 1017184610Salfred{ 1018184610Salfred switch (rate) { 1019188417Sthompsa /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1020188417Sthompsa case 12: return 0xb; 1021188417Sthompsa case 18: return 0xf; 1022188417Sthompsa case 24: return 0xa; 1023188417Sthompsa case 36: return 0xe; 1024188417Sthompsa case 48: return 0x9; 1025188417Sthompsa case 72: return 0xd; 1026188417Sthompsa case 96: return 0x8; 1027188417Sthompsa case 108: return 0xc; 1028184610Salfred 1029188417Sthompsa /* CCK rates (NB: not IEEE std, device-specific) */ 1030188417Sthompsa case 2: return 0x0; 1031188417Sthompsa case 4: return 0x1; 1032188417Sthompsa case 11: return 0x2; 1033188417Sthompsa case 22: return 0x3; 1034184610Salfred } 1035188417Sthompsa return 0xff; /* XXX unsupported/unknown rate */ 1036184610Salfred} 1037184610Salfred 1038184610Salfredstatic void 1039188417Sthompsaural_setup_tx_desc(struct ural_softc *sc, struct ural_tx_desc *desc, 1040188417Sthompsa uint32_t flags, int len, int rate) 1041184610Salfred{ 1042184610Salfred struct ifnet *ifp = sc->sc_ifp; 1043184610Salfred struct ieee80211com *ic = ifp->if_l2com; 1044184610Salfred uint16_t plcp_length; 1045188417Sthompsa int remainder; 1046184610Salfred 1047188417Sthompsa desc->flags = htole32(flags); 1048188417Sthompsa desc->flags |= htole32(RAL_TX_NEWSEQ); 1049188417Sthompsa desc->flags |= htole32(len << 16); 1050184610Salfred 1051188417Sthompsa desc->wme = htole16(RAL_AIFSN(2) | RAL_LOGCWMIN(3) | RAL_LOGCWMAX(5)); 1052188417Sthompsa desc->wme |= htole16(RAL_IVOFFSET(sizeof (struct ieee80211_frame))); 1053184610Salfred 1054188417Sthompsa /* setup PLCP fields */ 1055188417Sthompsa desc->plcp_signal = ural_plcp_signal(rate); 1056188417Sthompsa desc->plcp_service = 4; 1057188417Sthompsa 1058188417Sthompsa len += IEEE80211_CRC_LEN; 1059188417Sthompsa if (ieee80211_rate2phytype(sc->sc_rates, rate) == IEEE80211_T_OFDM) { 1060188417Sthompsa desc->flags |= htole32(RAL_TX_OFDM); 1061188417Sthompsa 1062188417Sthompsa plcp_length = len & 0xfff; 1063188417Sthompsa desc->plcp_length_hi = plcp_length >> 6; 1064188417Sthompsa desc->plcp_length_lo = plcp_length & 0x3f; 1065188417Sthompsa } else { 1066188417Sthompsa plcp_length = (16 * len + rate - 1) / rate; 1067188417Sthompsa if (rate == 22) { 1068188417Sthompsa remainder = (16 * len) % 22; 1069188417Sthompsa if (remainder != 0 && remainder < 7) 1070188417Sthompsa desc->plcp_service |= RAL_PLCP_LENGEXT; 1071188417Sthompsa } 1072188417Sthompsa desc->plcp_length_hi = plcp_length >> 8; 1073188417Sthompsa desc->plcp_length_lo = plcp_length & 0xff; 1074188417Sthompsa 1075188417Sthompsa if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 1076188417Sthompsa desc->plcp_signal |= 0x08; 1077184610Salfred } 1078184610Salfred 1079188417Sthompsa desc->iv = 0; 1080188417Sthompsa desc->eiv = 0; 1081188417Sthompsa} 1082184610Salfred 1083188417Sthompsa#define RAL_TX_TIMEOUT 5000 1084184610Salfred 1085188417Sthompsastatic int 1086188417Sthompsaural_tx_bcn(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 1087188417Sthompsa{ 1088188417Sthompsa struct ieee80211vap *vap = ni->ni_vap; 1089188417Sthompsa struct ieee80211com *ic = ni->ni_ic; 1090188417Sthompsa struct ifnet *ifp = sc->sc_ifp; 1091188417Sthompsa const struct ieee80211_txparam *tp; 1092188417Sthompsa struct ural_tx_data *data; 1093188417Sthompsa 1094188417Sthompsa if (sc->tx_nfree == 0) { 1095188417Sthompsa ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1096188417Sthompsa m_freem(m0); 1097188417Sthompsa ieee80211_free_node(ni); 1098188417Sthompsa return EIO; 1099184610Salfred } 1100188417Sthompsa data = STAILQ_FIRST(&sc->tx_free); 1101188417Sthompsa STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1102188417Sthompsa sc->tx_nfree--; 1103188417Sthompsa tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)]; 1104184610Salfred 1105188417Sthompsa data->m = m0; 1106188417Sthompsa data->ni = ni; 1107188417Sthompsa data->rate = tp->mgmtrate; 1108184610Salfred 1109188417Sthompsa ural_setup_tx_desc(sc, &data->desc, 1110188417Sthompsa RAL_TX_IFS_NEWBACKOFF | RAL_TX_TIMESTAMP, m0->m_pkthdr.len, 1111188417Sthompsa tp->mgmtrate); 1112184610Salfred 1113188417Sthompsa DPRINTFN(10, "sending beacon frame len=%u rate=%u\n", 1114188417Sthompsa m0->m_pkthdr.len, tp->mgmtrate); 1115184610Salfred 1116188417Sthompsa STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1117188417Sthompsa usb2_transfer_start(sc->sc_xfer[URAL_BULK_WR]); 1118184610Salfred 1119188417Sthompsa return (0); 1120188417Sthompsa} 1121184610Salfred 1122188417Sthompsastatic int 1123188417Sthompsaural_tx_mgt(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 1124188417Sthompsa{ 1125188417Sthompsa struct ieee80211vap *vap = ni->ni_vap; 1126188417Sthompsa struct ieee80211com *ic = ni->ni_ic; 1127188417Sthompsa const struct ieee80211_txparam *tp; 1128188417Sthompsa struct ural_tx_data *data; 1129188417Sthompsa struct ieee80211_frame *wh; 1130188417Sthompsa struct ieee80211_key *k; 1131188417Sthompsa uint32_t flags; 1132188417Sthompsa uint16_t dur; 1133184610Salfred 1134188417Sthompsa RAL_LOCK_ASSERT(sc, MA_OWNED); 1135184610Salfred 1136188417Sthompsa data = STAILQ_FIRST(&sc->tx_free); 1137188417Sthompsa STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1138188417Sthompsa sc->tx_nfree--; 1139184610Salfred 1140188417Sthompsa tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 1141188417Sthompsa 1142188417Sthompsa wh = mtod(m0, struct ieee80211_frame *); 1143188417Sthompsa if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1144188417Sthompsa k = ieee80211_crypto_encap(ni, m0); 1145188417Sthompsa if (k == NULL) { 1146188417Sthompsa m_freem(m0); 1147188417Sthompsa return ENOBUFS; 1148184610Salfred } 1149188417Sthompsa wh = mtod(m0, struct ieee80211_frame *); 1150184610Salfred } 1151184610Salfred 1152188417Sthompsa data->m = m0; 1153188417Sthompsa data->ni = ni; 1154188417Sthompsa data->rate = tp->mgmtrate; 1155184610Salfred 1156188417Sthompsa flags = 0; 1157188417Sthompsa if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 1158188417Sthompsa flags |= RAL_TX_ACK; 1159188417Sthompsa 1160188417Sthompsa dur = ieee80211_ack_duration(sc->sc_rates, tp->mgmtrate, 1161188417Sthompsa ic->ic_flags & IEEE80211_F_SHPREAMBLE); 1162188417Sthompsa *(uint16_t *)wh->i_dur = htole16(dur); 1163188417Sthompsa 1164188417Sthompsa /* tell hardware to add timestamp for probe responses */ 1165188417Sthompsa if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == 1166188417Sthompsa IEEE80211_FC0_TYPE_MGT && 1167188417Sthompsa (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == 1168188417Sthompsa IEEE80211_FC0_SUBTYPE_PROBE_RESP) 1169188417Sthompsa flags |= RAL_TX_TIMESTAMP; 1170184610Salfred } 1171184610Salfred 1172188417Sthompsa ural_setup_tx_desc(sc, &data->desc, flags, m0->m_pkthdr.len, tp->mgmtrate); 1173184610Salfred 1174188417Sthompsa DPRINTFN(10, "sending mgt frame len=%u rate=%u\n", 1175188417Sthompsa m0->m_pkthdr.len, tp->mgmtrate); 1176184610Salfred 1177188417Sthompsa STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1178188417Sthompsa usb2_transfer_start(sc->sc_xfer[URAL_BULK_WR]); 1179184610Salfred 1180188417Sthompsa return 0; 1181184610Salfred} 1182184610Salfred 1183188417Sthompsastatic int 1184188417Sthompsaural_sendprot(struct ural_softc *sc, 1185188417Sthompsa const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate) 1186184610Salfred{ 1187188417Sthompsa struct ieee80211com *ic = ni->ni_ic; 1188188417Sthompsa const struct ieee80211_frame *wh; 1189188417Sthompsa struct ural_tx_data *data; 1190188417Sthompsa struct mbuf *mprot; 1191188417Sthompsa int protrate, ackrate, pktlen, flags, isshort; 1192188417Sthompsa uint16_t dur; 1193184610Salfred 1194188417Sthompsa KASSERT(prot == IEEE80211_PROT_RTSCTS || prot == IEEE80211_PROT_CTSONLY, 1195188417Sthompsa ("protection %d", prot)); 1196184610Salfred 1197188417Sthompsa wh = mtod(m, const struct ieee80211_frame *); 1198188417Sthompsa pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN; 1199184610Salfred 1200188417Sthompsa protrate = ieee80211_ctl_rate(sc->sc_rates, rate); 1201188417Sthompsa ackrate = ieee80211_ack_rate(sc->sc_rates, rate); 1202188417Sthompsa 1203188417Sthompsa isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0; 1204188417Sthompsa dur = ieee80211_compute_duration(sc->sc_rates, pktlen, rate, isshort); 1205188417Sthompsa + ieee80211_ack_duration(sc->sc_rates, rate, isshort); 1206188417Sthompsa flags = RAL_TX_RETRY(7); 1207188417Sthompsa if (prot == IEEE80211_PROT_RTSCTS) { 1208188417Sthompsa /* NB: CTS is the same size as an ACK */ 1209188417Sthompsa dur += ieee80211_ack_duration(sc->sc_rates, rate, isshort); 1210188417Sthompsa flags |= RAL_TX_ACK; 1211188417Sthompsa mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur); 1212188417Sthompsa } else { 1213188417Sthompsa mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur); 1214188417Sthompsa } 1215188417Sthompsa if (mprot == NULL) { 1216188417Sthompsa /* XXX stat + msg */ 1217188417Sthompsa return ENOBUFS; 1218188417Sthompsa } 1219188417Sthompsa data = STAILQ_FIRST(&sc->tx_free); 1220188417Sthompsa STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1221188417Sthompsa sc->tx_nfree--; 1222188417Sthompsa 1223188417Sthompsa data->m = mprot; 1224188417Sthompsa data->ni = ieee80211_ref_node(ni); 1225188417Sthompsa data->rate = protrate; 1226188417Sthompsa ural_setup_tx_desc(sc, &data->desc, flags, mprot->m_pkthdr.len, protrate); 1227188417Sthompsa 1228188417Sthompsa STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1229188417Sthompsa usb2_transfer_start(sc->sc_xfer[URAL_BULK_WR]); 1230188417Sthompsa 1231188417Sthompsa return 0; 1232188417Sthompsa} 1233188417Sthompsa 1234188417Sthompsastatic int 1235188417Sthompsaural_tx_raw(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni, 1236188417Sthompsa const struct ieee80211_bpf_params *params) 1237188417Sthompsa{ 1238188417Sthompsa struct ural_tx_data *data; 1239188417Sthompsa uint32_t flags; 1240188417Sthompsa int error; 1241188417Sthompsa int rate; 1242188417Sthompsa 1243188417Sthompsa RAL_LOCK_ASSERT(sc, MA_OWNED); 1244188417Sthompsa KASSERT(params != NULL, ("no raw xmit params")); 1245188417Sthompsa 1246188417Sthompsa rate = params->ibp_rate0 & IEEE80211_RATE_VAL; 1247188417Sthompsa /* XXX validate */ 1248188417Sthompsa if (rate == 0) { 1249188417Sthompsa m_freem(m0); 1250188417Sthompsa return EINVAL; 1251188417Sthompsa } 1252188417Sthompsa flags = 0; 1253188417Sthompsa if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 1254188417Sthompsa flags |= RAL_TX_ACK; 1255188417Sthompsa if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) { 1256188417Sthompsa error = ural_sendprot(sc, m0, ni, 1257188417Sthompsa params->ibp_flags & IEEE80211_BPF_RTS ? 1258188417Sthompsa IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY, 1259188417Sthompsa rate); 1260188969Sthompsa if (error || sc->tx_nfree == 0) { 1261188417Sthompsa m_freem(m0); 1262188969Sthompsa return ENOBUFS; 1263184610Salfred } 1264188417Sthompsa flags |= RAL_TX_IFS_SIFS; 1265188417Sthompsa } 1266184610Salfred 1267188969Sthompsa data = STAILQ_FIRST(&sc->tx_free); 1268188969Sthompsa STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1269188969Sthompsa sc->tx_nfree--; 1270188969Sthompsa 1271188417Sthompsa data->m = m0; 1272188417Sthompsa data->ni = ni; 1273188417Sthompsa data->rate = rate; 1274184610Salfred 1275188417Sthompsa /* XXX need to setup descriptor ourself */ 1276188417Sthompsa ural_setup_tx_desc(sc, &data->desc, flags, m0->m_pkthdr.len, rate); 1277184610Salfred 1278188417Sthompsa DPRINTFN(10, "sending raw frame len=%u rate=%u\n", 1279188417Sthompsa m0->m_pkthdr.len, rate); 1280184610Salfred 1281188417Sthompsa STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1282188417Sthompsa usb2_transfer_start(sc->sc_xfer[URAL_BULK_WR]); 1283184610Salfred 1284188417Sthompsa return 0; 1285188417Sthompsa} 1286184610Salfred 1287188417Sthompsastatic int 1288188417Sthompsaural_tx_data(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 1289188417Sthompsa{ 1290188417Sthompsa struct ieee80211vap *vap = ni->ni_vap; 1291188417Sthompsa struct ieee80211com *ic = ni->ni_ic; 1292188417Sthompsa struct ural_tx_data *data; 1293188417Sthompsa struct ieee80211_frame *wh; 1294188417Sthompsa const struct ieee80211_txparam *tp; 1295188417Sthompsa struct ieee80211_key *k; 1296188417Sthompsa uint32_t flags = 0; 1297188417Sthompsa uint16_t dur; 1298188417Sthompsa int error, rate; 1299184610Salfred 1300188417Sthompsa RAL_LOCK_ASSERT(sc, MA_OWNED); 1301184610Salfred 1302188417Sthompsa wh = mtod(m0, struct ieee80211_frame *); 1303184610Salfred 1304188417Sthompsa tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; 1305188417Sthompsa if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 1306188417Sthompsa rate = tp->mcastrate; 1307188417Sthompsa else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 1308188417Sthompsa rate = tp->ucastrate; 1309188417Sthompsa else 1310188417Sthompsa rate = ni->ni_txrate; 1311188417Sthompsa 1312188417Sthompsa if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1313188417Sthompsa k = ieee80211_crypto_encap(ni, m0); 1314188417Sthompsa if (k == NULL) { 1315188417Sthompsa m_freem(m0); 1316188417Sthompsa return ENOBUFS; 1317184610Salfred } 1318188417Sthompsa /* packet header may have moved, reset our local pointer */ 1319188417Sthompsa wh = mtod(m0, struct ieee80211_frame *); 1320188417Sthompsa } 1321184610Salfred 1322188417Sthompsa if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 1323188417Sthompsa int prot = IEEE80211_PROT_NONE; 1324188417Sthompsa if (m0->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) 1325188417Sthompsa prot = IEEE80211_PROT_RTSCTS; 1326188417Sthompsa else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 1327188417Sthompsa ieee80211_rate2phytype(sc->sc_rates, rate) == IEEE80211_T_OFDM) 1328188417Sthompsa prot = ic->ic_protmode; 1329188417Sthompsa if (prot != IEEE80211_PROT_NONE) { 1330188417Sthompsa error = ural_sendprot(sc, m0, ni, prot, rate); 1331188969Sthompsa if (error || sc->tx_nfree == 0) { 1332188417Sthompsa m_freem(m0); 1333188969Sthompsa return ENOBUFS; 1334188417Sthompsa } 1335188417Sthompsa flags |= RAL_TX_IFS_SIFS; 1336184610Salfred } 1337184610Salfred } 1338184610Salfred 1339188417Sthompsa data = STAILQ_FIRST(&sc->tx_free); 1340188417Sthompsa STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1341188417Sthompsa sc->tx_nfree--; 1342184610Salfred 1343188417Sthompsa data->m = m0; 1344188417Sthompsa data->ni = ni; 1345188417Sthompsa data->rate = rate; 1346188417Sthompsa 1347188417Sthompsa if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 1348188417Sthompsa flags |= RAL_TX_ACK; 1349188417Sthompsa flags |= RAL_TX_RETRY(7); 1350188417Sthompsa 1351188417Sthompsa dur = ieee80211_ack_duration(sc->sc_rates, rate, 1352188417Sthompsa ic->ic_flags & IEEE80211_F_SHPREAMBLE); 1353188417Sthompsa *(uint16_t *)wh->i_dur = htole16(dur); 1354184610Salfred } 1355184610Salfred 1356188417Sthompsa ural_setup_tx_desc(sc, &data->desc, flags, m0->m_pkthdr.len, rate); 1357184610Salfred 1358188417Sthompsa DPRINTFN(10, "sending data frame len=%u rate=%u\n", 1359188417Sthompsa m0->m_pkthdr.len, rate); 1360184610Salfred 1361188417Sthompsa STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1362188417Sthompsa usb2_transfer_start(sc->sc_xfer[URAL_BULK_WR]); 1363188417Sthompsa 1364188417Sthompsa return 0; 1365184610Salfred} 1366184610Salfred 1367184610Salfredstatic void 1368188417Sthompsaural_start(struct ifnet *ifp) 1369184610Salfred{ 1370188417Sthompsa struct ural_softc *sc = ifp->if_softc; 1371188417Sthompsa struct ieee80211_node *ni; 1372188417Sthompsa struct mbuf *m; 1373184610Salfred 1374188417Sthompsa RAL_LOCK(sc); 1375188417Sthompsa if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 1376188417Sthompsa RAL_UNLOCK(sc); 1377188417Sthompsa return; 1378188417Sthompsa } 1379188417Sthompsa for (;;) { 1380188417Sthompsa IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 1381188417Sthompsa if (m == NULL) 1382188417Sthompsa break; 1383188969Sthompsa if (sc->tx_nfree < RAL_TX_MINFREE) { 1384188417Sthompsa IFQ_DRV_PREPEND(&ifp->if_snd, m); 1385188417Sthompsa ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1386188417Sthompsa break; 1387188417Sthompsa } 1388188417Sthompsa ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; 1389188417Sthompsa m = ieee80211_encap(ni, m); 1390188417Sthompsa if (m == NULL) { 1391188417Sthompsa ieee80211_free_node(ni); 1392188417Sthompsa continue; 1393188417Sthompsa } 1394188417Sthompsa if (ural_tx_data(sc, m, ni) != 0) { 1395188417Sthompsa ieee80211_free_node(ni); 1396188417Sthompsa ifp->if_oerrors++; 1397188417Sthompsa break; 1398188417Sthompsa } 1399188417Sthompsa } 1400188417Sthompsa RAL_UNLOCK(sc); 1401184610Salfred} 1402184610Salfred 1403184610Salfredstatic int 1404188417Sthompsaural_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1405184610Salfred{ 1406184610Salfred struct ural_softc *sc = ifp->if_softc; 1407184610Salfred struct ieee80211com *ic = ifp->if_l2com; 1408188417Sthompsa struct ifreq *ifr = (struct ifreq *) data; 1409188417Sthompsa int error = 0, startall = 0; 1410184610Salfred 1411184610Salfred switch (cmd) { 1412184610Salfred case SIOCSIFFLAGS: 1413188417Sthompsa RAL_LOCK(sc); 1414184610Salfred if (ifp->if_flags & IFF_UP) { 1415188417Sthompsa if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 1416188419Sthompsa ural_queue_command(sc, ural_init_task, 1417188419Sthompsa &sc->sc_synctask[0].hdr, 1418188419Sthompsa &sc->sc_synctask[1].hdr); 1419188417Sthompsa startall = 1; 1420188417Sthompsa } else 1421188417Sthompsa ural_queue_command(sc, ural_promisctask, 1422188417Sthompsa &sc->sc_promisctask[0].hdr, 1423188417Sthompsa &sc->sc_promisctask[1].hdr); 1424184610Salfred } else { 1425188419Sthompsa if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1426188419Sthompsa ural_queue_command(sc, ural_stop_task, 1427188419Sthompsa &sc->sc_synctask[0].hdr, 1428188419Sthompsa &sc->sc_synctask[1].hdr); 1429188419Sthompsa } 1430184610Salfred } 1431188417Sthompsa RAL_UNLOCK(sc); 1432188417Sthompsa if (startall) 1433188417Sthompsa ieee80211_start_all(ic); 1434184610Salfred break; 1435184610Salfred case SIOCGIFMEDIA: 1436184610Salfred case SIOCSIFMEDIA: 1437188417Sthompsa error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 1438184610Salfred break; 1439184610Salfred default: 1440184610Salfred error = ether_ioctl(ifp, cmd, data); 1441188417Sthompsa break; 1442184610Salfred } 1443188417Sthompsa return error; 1444184610Salfred} 1445184610Salfred 1446184610Salfredstatic void 1447188417Sthompsaural_set_testmode(struct ural_softc *sc) 1448184610Salfred{ 1449188417Sthompsa struct usb2_device_request req; 1450188417Sthompsa usb2_error_t error; 1451184610Salfred 1452188417Sthompsa req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1453188417Sthompsa req.bRequest = RAL_VENDOR_REQUEST; 1454188417Sthompsa USETW(req.wValue, 4); 1455188417Sthompsa USETW(req.wIndex, 1); 1456188417Sthompsa USETW(req.wLength, 0); 1457188417Sthompsa 1458188419Sthompsa error = ural_do_request(sc, &req, NULL); 1459188417Sthompsa if (error != 0) { 1460188417Sthompsa device_printf(sc->sc_dev, "could not set test mode: %s\n", 1461188417Sthompsa usb2_errstr(error)); 1462188417Sthompsa } 1463184610Salfred} 1464184610Salfred 1465184610Salfredstatic void 1466188417Sthompsaural_eeprom_read(struct ural_softc *sc, uint16_t addr, void *buf, int len) 1467184610Salfred{ 1468188417Sthompsa struct usb2_device_request req; 1469188417Sthompsa usb2_error_t error; 1470184610Salfred 1471188417Sthompsa req.bmRequestType = UT_READ_VENDOR_DEVICE; 1472188417Sthompsa req.bRequest = RAL_READ_EEPROM; 1473188417Sthompsa USETW(req.wValue, 0); 1474188417Sthompsa USETW(req.wIndex, addr); 1475188417Sthompsa USETW(req.wLength, len); 1476184610Salfred 1477188419Sthompsa error = ural_do_request(sc, &req, buf); 1478188417Sthompsa if (error != 0) { 1479188417Sthompsa device_printf(sc->sc_dev, "could not read EEPROM: %s\n", 1480188417Sthompsa usb2_errstr(error)); 1481184610Salfred } 1482188417Sthompsa} 1483184610Salfred 1484188417Sthompsastatic uint16_t 1485188417Sthompsaural_read(struct ural_softc *sc, uint16_t reg) 1486188417Sthompsa{ 1487188417Sthompsa struct usb2_device_request req; 1488188417Sthompsa usb2_error_t error; 1489188417Sthompsa uint16_t val; 1490184610Salfred 1491188417Sthompsa req.bmRequestType = UT_READ_VENDOR_DEVICE; 1492188417Sthompsa req.bRequest = RAL_READ_MAC; 1493188417Sthompsa USETW(req.wValue, 0); 1494188417Sthompsa USETW(req.wIndex, reg); 1495188417Sthompsa USETW(req.wLength, sizeof (uint16_t)); 1496188417Sthompsa 1497188419Sthompsa error = ural_do_request(sc, &req, &val); 1498188417Sthompsa if (error != 0) { 1499188417Sthompsa device_printf(sc->sc_dev, "could not read MAC register: %s\n", 1500188417Sthompsa usb2_errstr(error)); 1501188417Sthompsa return 0; 1502184610Salfred } 1503184610Salfred 1504188417Sthompsa return le16toh(val); 1505184610Salfred} 1506184610Salfred 1507188417Sthompsastatic void 1508188417Sthompsaural_read_multi(struct ural_softc *sc, uint16_t reg, void *buf, int len) 1509184610Salfred{ 1510188417Sthompsa struct usb2_device_request req; 1511188417Sthompsa usb2_error_t error; 1512184610Salfred 1513188417Sthompsa req.bmRequestType = UT_READ_VENDOR_DEVICE; 1514188417Sthompsa req.bRequest = RAL_READ_MULTI_MAC; 1515188417Sthompsa USETW(req.wValue, 0); 1516188417Sthompsa USETW(req.wIndex, reg); 1517188417Sthompsa USETW(req.wLength, len); 1518184610Salfred 1519188419Sthompsa error = ural_do_request(sc, &req, buf); 1520188417Sthompsa if (error != 0) { 1521188417Sthompsa device_printf(sc->sc_dev, "could not read MAC register: %s\n", 1522188417Sthompsa usb2_errstr(error)); 1523184610Salfred } 1524188417Sthompsa} 1525188417Sthompsa 1526188417Sthompsastatic void 1527188417Sthompsaural_write(struct ural_softc *sc, uint16_t reg, uint16_t val) 1528188417Sthompsa{ 1529188417Sthompsa struct usb2_device_request req; 1530188417Sthompsa usb2_error_t error; 1531188417Sthompsa 1532188417Sthompsa req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1533188417Sthompsa req.bRequest = RAL_WRITE_MAC; 1534188417Sthompsa USETW(req.wValue, val); 1535188417Sthompsa USETW(req.wIndex, reg); 1536188417Sthompsa USETW(req.wLength, 0); 1537188417Sthompsa 1538188419Sthompsa error = ural_do_request(sc, &req, NULL); 1539188417Sthompsa if (error != 0) { 1540188417Sthompsa device_printf(sc->sc_dev, "could not write MAC register: %s\n", 1541188417Sthompsa usb2_errstr(error)); 1542184610Salfred } 1543188417Sthompsa} 1544184610Salfred 1545188417Sthompsastatic void 1546188417Sthompsaural_write_multi(struct ural_softc *sc, uint16_t reg, void *buf, int len) 1547188417Sthompsa{ 1548188417Sthompsa struct usb2_device_request req; 1549188417Sthompsa usb2_error_t error; 1550184610Salfred 1551188417Sthompsa req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1552188417Sthompsa req.bRequest = RAL_WRITE_MULTI_MAC; 1553188417Sthompsa USETW(req.wValue, 0); 1554188417Sthompsa USETW(req.wIndex, reg); 1555188417Sthompsa USETW(req.wLength, len); 1556184610Salfred 1557188419Sthompsa error = ural_do_request(sc, &req, buf); 1558188417Sthompsa if (error != 0) { 1559188417Sthompsa device_printf(sc->sc_dev, "could not write MAC register: %s\n", 1560188417Sthompsa usb2_errstr(error)); 1561188417Sthompsa } 1562184610Salfred} 1563184610Salfred 1564184610Salfredstatic void 1565188417Sthompsaural_bbp_write(struct ural_softc *sc, uint8_t reg, uint8_t val) 1566184610Salfred{ 1567188417Sthompsa uint16_t tmp; 1568188417Sthompsa int ntries; 1569184610Salfred 1570188619Sthompsa for (ntries = 0; ntries < 100; ntries++) { 1571188417Sthompsa if (!(ural_read(sc, RAL_PHY_CSR8) & RAL_BBP_BUSY)) 1572188417Sthompsa break; 1573188619Sthompsa if (ural_pause(sc, hz / 100)) 1574188619Sthompsa break; 1575188417Sthompsa } 1576188619Sthompsa if (ntries == 100) { 1577188417Sthompsa device_printf(sc->sc_dev, "could not write to BBP\n"); 1578188417Sthompsa return; 1579188417Sthompsa } 1580184610Salfred 1581188417Sthompsa tmp = reg << 8 | val; 1582188417Sthompsa ural_write(sc, RAL_PHY_CSR7, tmp); 1583188417Sthompsa} 1584184610Salfred 1585188417Sthompsastatic uint8_t 1586188417Sthompsaural_bbp_read(struct ural_softc *sc, uint8_t reg) 1587188417Sthompsa{ 1588188417Sthompsa uint16_t val; 1589188417Sthompsa int ntries; 1590184610Salfred 1591188417Sthompsa val = RAL_BBP_WRITE | reg << 8; 1592188417Sthompsa ural_write(sc, RAL_PHY_CSR7, val); 1593188417Sthompsa 1594188619Sthompsa for (ntries = 0; ntries < 100; ntries++) { 1595188417Sthompsa if (!(ural_read(sc, RAL_PHY_CSR8) & RAL_BBP_BUSY)) 1596188417Sthompsa break; 1597188619Sthompsa if (ural_pause(sc, hz / 100)) 1598188619Sthompsa break; 1599188417Sthompsa } 1600188619Sthompsa if (ntries == 100) { 1601188417Sthompsa device_printf(sc->sc_dev, "could not read BBP\n"); 1602188417Sthompsa return 0; 1603188417Sthompsa } 1604188417Sthompsa 1605188417Sthompsa return ural_read(sc, RAL_PHY_CSR7) & 0xff; 1606184610Salfred} 1607184610Salfred 1608184610Salfredstatic void 1609188417Sthompsaural_rf_write(struct ural_softc *sc, uint8_t reg, uint32_t val) 1610184610Salfred{ 1611188417Sthompsa uint32_t tmp; 1612188417Sthompsa int ntries; 1613188417Sthompsa 1614188619Sthompsa for (ntries = 0; ntries < 100; ntries++) { 1615188417Sthompsa if (!(ural_read(sc, RAL_PHY_CSR10) & RAL_RF_LOBUSY)) 1616188417Sthompsa break; 1617188619Sthompsa if (ural_pause(sc, hz / 100)) 1618188619Sthompsa break; 1619188417Sthompsa } 1620188619Sthompsa if (ntries == 100) { 1621188417Sthompsa device_printf(sc->sc_dev, "could not write to RF\n"); 1622188417Sthompsa return; 1623188417Sthompsa } 1624188417Sthompsa 1625188417Sthompsa tmp = RAL_RF_BUSY | RAL_RF_20BIT | (val & 0xfffff) << 2 | (reg & 0x3); 1626188417Sthompsa ural_write(sc, RAL_PHY_CSR9, tmp & 0xffff); 1627188417Sthompsa ural_write(sc, RAL_PHY_CSR10, tmp >> 16); 1628188417Sthompsa 1629188417Sthompsa /* remember last written value in sc */ 1630188417Sthompsa sc->rf_regs[reg] = val; 1631188417Sthompsa 1632188417Sthompsa DPRINTFN(15, "RF R[%u] <- 0x%05x\n", reg & 0x3, val & 0xfffff); 1633184610Salfred} 1634184610Salfred 1635188417Sthompsa/* ARGUSED */ 1636188417Sthompsastatic struct ieee80211_node * 1637188417Sthompsaural_node_alloc(struct ieee80211vap *vap __unused, 1638188417Sthompsa const uint8_t mac[IEEE80211_ADDR_LEN] __unused) 1639188417Sthompsa{ 1640188417Sthompsa struct ural_node *un; 1641188417Sthompsa 1642188417Sthompsa un = malloc(sizeof(struct ural_node), M_80211_NODE, M_NOWAIT | M_ZERO); 1643188417Sthompsa return un != NULL ? &un->ni : NULL; 1644188417Sthompsa} 1645188417Sthompsa 1646184610Salfredstatic void 1647188417Sthompsaural_newassoc(struct ieee80211_node *ni, int isnew) 1648184610Salfred{ 1649188417Sthompsa struct ieee80211vap *vap = ni->ni_vap; 1650188417Sthompsa 1651188417Sthompsa ieee80211_amrr_node_init(&URAL_VAP(vap)->amrr, &URAL_NODE(ni)->amn, ni); 1652184610Salfred} 1653184610Salfred 1654184610Salfredstatic void 1655188417Sthompsaural_scan_start(struct ieee80211com *ic) 1656184610Salfred{ 1657188417Sthompsa struct ural_softc *sc = ic->ic_ifp->if_softc; 1658188417Sthompsa 1659188417Sthompsa RAL_LOCK(sc); 1660188417Sthompsa /* do it in a process context */ 1661188417Sthompsa sc->sc_scan_action = URAL_SCAN_START; 1662188417Sthompsa ural_queue_command(sc, ural_scantask, 1663188417Sthompsa &sc->sc_scantask[0].hdr, &sc->sc_scantask[1].hdr); 1664188417Sthompsa RAL_UNLOCK(sc); 1665188417Sthompsa 1666184610Salfred} 1667184610Salfred 1668184610Salfredstatic void 1669188417Sthompsaural_scan_end(struct ieee80211com *ic) 1670184610Salfred{ 1671188417Sthompsa struct ural_softc *sc = ic->ic_ifp->if_softc; 1672188417Sthompsa 1673188417Sthompsa RAL_LOCK(sc); 1674188417Sthompsa /* do it in a process context */ 1675188417Sthompsa sc->sc_scan_action = URAL_SCAN_END; 1676188417Sthompsa ural_queue_command(sc, ural_scantask, 1677188417Sthompsa &sc->sc_scantask[0].hdr, &sc->sc_scantask[1].hdr); 1678188417Sthompsa RAL_UNLOCK(sc); 1679188417Sthompsa 1680184610Salfred} 1681184610Salfred 1682184610Salfredstatic void 1683188417Sthompsaural_set_channel(struct ieee80211com *ic) 1684184610Salfred{ 1685188417Sthompsa struct ural_softc *sc = ic->ic_ifp->if_softc; 1686188417Sthompsa 1687188417Sthompsa RAL_LOCK(sc); 1688188417Sthompsa /* do it in a process context */ 1689188417Sthompsa sc->sc_scan_action = URAL_SET_CHANNEL; 1690188417Sthompsa ural_queue_command(sc, ural_scantask, 1691188417Sthompsa &sc->sc_scantask[0].hdr, &sc->sc_scantask[1].hdr); 1692188417Sthompsa 1693188417Sthompsa sc->sc_rates = ieee80211_get_ratetable(ic->ic_curchan); 1694188417Sthompsa RAL_UNLOCK(sc); 1695184610Salfred} 1696184610Salfred 1697184610Salfredstatic void 1698188417Sthompsaural_set_chan(struct ural_softc *sc, struct ieee80211_channel *c) 1699184610Salfred{ 1700188417Sthompsa struct ifnet *ifp = sc->sc_ifp; 1701188417Sthompsa struct ieee80211com *ic = ifp->if_l2com; 1702188417Sthompsa uint8_t power, tmp; 1703188619Sthompsa int i, chan; 1704184610Salfred 1705188417Sthompsa chan = ieee80211_chan2ieee(ic, c); 1706188417Sthompsa if (chan == 0 || chan == IEEE80211_CHAN_ANY) 1707188417Sthompsa return; 1708184610Salfred 1709188417Sthompsa if (IEEE80211_IS_CHAN_2GHZ(c)) 1710188417Sthompsa power = min(sc->txpow[chan - 1], 31); 1711184610Salfred else 1712184610Salfred power = 31; 1713184610Salfred 1714184610Salfred /* adjust txpower using ifconfig settings */ 1715188417Sthompsa power -= (100 - ic->ic_txpowlimit) / 8; 1716184610Salfred 1717188417Sthompsa DPRINTFN(2, "setting channel to %u, txpower to %u\n", chan, power); 1718184610Salfred 1719188417Sthompsa switch (sc->rf_rev) { 1720184610Salfred case RAL_RF_2522: 1721188417Sthompsa ural_rf_write(sc, RAL_RF1, 0x00814); 1722188417Sthompsa ural_rf_write(sc, RAL_RF2, ural_rf2522_r2[chan - 1]); 1723188417Sthompsa ural_rf_write(sc, RAL_RF3, power << 7 | 0x00040); 1724184610Salfred break; 1725184610Salfred 1726184610Salfred case RAL_RF_2523: 1727188417Sthompsa ural_rf_write(sc, RAL_RF1, 0x08804); 1728188417Sthompsa ural_rf_write(sc, RAL_RF2, ural_rf2523_r2[chan - 1]); 1729188417Sthompsa ural_rf_write(sc, RAL_RF3, power << 7 | 0x38044); 1730188417Sthompsa ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286); 1731184610Salfred break; 1732184610Salfred 1733184610Salfred case RAL_RF_2524: 1734188417Sthompsa ural_rf_write(sc, RAL_RF1, 0x0c808); 1735188417Sthompsa ural_rf_write(sc, RAL_RF2, ural_rf2524_r2[chan - 1]); 1736188417Sthompsa ural_rf_write(sc, RAL_RF3, power << 7 | 0x00040); 1737188417Sthompsa ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286); 1738184610Salfred break; 1739184610Salfred 1740184610Salfred case RAL_RF_2525: 1741188417Sthompsa ural_rf_write(sc, RAL_RF1, 0x08808); 1742188417Sthompsa ural_rf_write(sc, RAL_RF2, ural_rf2525_hi_r2[chan - 1]); 1743188417Sthompsa ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044); 1744188417Sthompsa ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286); 1745184610Salfred 1746188417Sthompsa ural_rf_write(sc, RAL_RF1, 0x08808); 1747188417Sthompsa ural_rf_write(sc, RAL_RF2, ural_rf2525_r2[chan - 1]); 1748188417Sthompsa ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044); 1749188417Sthompsa ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286); 1750184610Salfred break; 1751184610Salfred 1752184610Salfred case RAL_RF_2525E: 1753188417Sthompsa ural_rf_write(sc, RAL_RF1, 0x08808); 1754188417Sthompsa ural_rf_write(sc, RAL_RF2, ural_rf2525e_r2[chan - 1]); 1755188417Sthompsa ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044); 1756188417Sthompsa ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00286 : 0x00282); 1757184610Salfred break; 1758184610Salfred 1759184610Salfred case RAL_RF_2526: 1760188417Sthompsa ural_rf_write(sc, RAL_RF2, ural_rf2526_hi_r2[chan - 1]); 1761188417Sthompsa ural_rf_write(sc, RAL_RF4, (chan & 1) ? 0x00386 : 0x00381); 1762188417Sthompsa ural_rf_write(sc, RAL_RF1, 0x08804); 1763184610Salfred 1764188417Sthompsa ural_rf_write(sc, RAL_RF2, ural_rf2526_r2[chan - 1]); 1765188417Sthompsa ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044); 1766188417Sthompsa ural_rf_write(sc, RAL_RF4, (chan & 1) ? 0x00386 : 0x00381); 1767184610Salfred break; 1768184610Salfred 1769188417Sthompsa /* dual-band RF */ 1770184610Salfred case RAL_RF_5222: 1771188417Sthompsa for (i = 0; ural_rf5222[i].chan != chan; i++); 1772188417Sthompsa 1773188417Sthompsa ural_rf_write(sc, RAL_RF1, ural_rf5222[i].r1); 1774188417Sthompsa ural_rf_write(sc, RAL_RF2, ural_rf5222[i].r2); 1775188417Sthompsa ural_rf_write(sc, RAL_RF3, power << 7 | 0x00040); 1776188417Sthompsa ural_rf_write(sc, RAL_RF4, ural_rf5222[i].r4); 1777184610Salfred break; 1778184610Salfred } 1779184610Salfred 1780188417Sthompsa if (ic->ic_opmode != IEEE80211_M_MONITOR && 1781188417Sthompsa (ic->ic_flags & IEEE80211_F_SCAN) == 0) { 1782184610Salfred /* set Japan filter bit for channel 14 */ 1783188417Sthompsa tmp = ural_bbp_read(sc, 70); 1784184610Salfred 1785188417Sthompsa tmp &= ~RAL_JAPAN_FILTER; 1786188417Sthompsa if (chan == 14) 1787184610Salfred tmp |= RAL_JAPAN_FILTER; 1788184610Salfred 1789188417Sthompsa ural_bbp_write(sc, 70, tmp); 1790184610Salfred 1791184610Salfred /* clear CRC errors */ 1792188417Sthompsa ural_read(sc, RAL_STA_CSR0); 1793184610Salfred 1794188619Sthompsa ural_pause(sc, hz / 100); 1795188417Sthompsa ural_disable_rf_tune(sc); 1796184610Salfred } 1797188417Sthompsa 1798188417Sthompsa /* XXX doesn't belong here */ 1799184610Salfred /* update basic rate set */ 1800188417Sthompsa ural_set_basicrates(sc, c); 1801184610Salfred} 1802184610Salfred 1803188417Sthompsa/* 1804188417Sthompsa * Disable RF auto-tuning. 1805188417Sthompsa */ 1806184610Salfredstatic void 1807188417Sthompsaural_disable_rf_tune(struct ural_softc *sc) 1808184610Salfred{ 1809188417Sthompsa uint32_t tmp; 1810184610Salfred 1811188417Sthompsa if (sc->rf_rev != RAL_RF_2523) { 1812188417Sthompsa tmp = sc->rf_regs[RAL_RF1] & ~RAL_RF1_AUTOTUNE; 1813188417Sthompsa ural_rf_write(sc, RAL_RF1, tmp); 1814184610Salfred } 1815184610Salfred 1816188417Sthompsa tmp = sc->rf_regs[RAL_RF3] & ~RAL_RF3_AUTOTUNE; 1817188417Sthompsa ural_rf_write(sc, RAL_RF3, tmp); 1818184610Salfred 1819188417Sthompsa DPRINTFN(2, "disabling RF autotune\n"); 1820184610Salfred} 1821184610Salfred 1822188417Sthompsa/* 1823188417Sthompsa * Refer to IEEE Std 802.11-1999 pp. 123 for more information on TSF 1824188417Sthompsa * synchronization. 1825188417Sthompsa */ 1826184610Salfredstatic void 1827188417Sthompsaural_enable_tsf_sync(struct ural_softc *sc) 1828184610Salfred{ 1829188417Sthompsa struct ifnet *ifp = sc->sc_ifp; 1830188417Sthompsa struct ieee80211com *ic = ifp->if_l2com; 1831188417Sthompsa struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1832188417Sthompsa uint16_t logcwmin, preload, tmp; 1833184610Salfred 1834184610Salfred /* first, disable TSF synchronization */ 1835188417Sthompsa ural_write(sc, RAL_TXRX_CSR19, 0); 1836184610Salfred 1837188417Sthompsa tmp = (16 * vap->iv_bss->ni_intval) << 4; 1838188417Sthompsa ural_write(sc, RAL_TXRX_CSR18, tmp); 1839184610Salfred 1840188417Sthompsa logcwmin = (ic->ic_opmode == IEEE80211_M_IBSS) ? 2 : 0; 1841188417Sthompsa preload = (ic->ic_opmode == IEEE80211_M_IBSS) ? 320 : 6; 1842188417Sthompsa tmp = logcwmin << 12 | preload; 1843188417Sthompsa ural_write(sc, RAL_TXRX_CSR20, tmp); 1844184610Salfred 1845184610Salfred /* finally, enable TSF synchronization */ 1846184610Salfred tmp = RAL_ENABLE_TSF | RAL_ENABLE_TBCN; 1847188417Sthompsa if (ic->ic_opmode == IEEE80211_M_STA) 1848184610Salfred tmp |= RAL_ENABLE_TSF_SYNC(1); 1849184610Salfred else 1850184610Salfred tmp |= RAL_ENABLE_TSF_SYNC(2) | RAL_ENABLE_BEACON_GENERATOR; 1851188417Sthompsa ural_write(sc, RAL_TXRX_CSR19, tmp); 1852184610Salfred 1853184610Salfred DPRINTF("enabling TSF synchronization\n"); 1854184610Salfred} 1855184610Salfred 1856188417Sthompsa#define RAL_RXTX_TURNAROUND 5 /* us */ 1857184610Salfredstatic void 1858188417Sthompsaural_update_slot(struct ifnet *ifp) 1859184610Salfred{ 1860188417Sthompsa struct ural_softc *sc = ifp->if_softc; 1861188417Sthompsa struct ieee80211com *ic = ifp->if_l2com; 1862188417Sthompsa uint16_t slottime, sifs, eifs; 1863184610Salfred 1864188417Sthompsa slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20; 1865184610Salfred 1866184610Salfred /* 1867184610Salfred * These settings may sound a bit inconsistent but this is what the 1868184610Salfred * reference driver does. 1869184610Salfred */ 1870188417Sthompsa if (ic->ic_curmode == IEEE80211_MODE_11B) { 1871184610Salfred sifs = 16 - RAL_RXTX_TURNAROUND; 1872184610Salfred eifs = 364; 1873184610Salfred } else { 1874184610Salfred sifs = 10 - RAL_RXTX_TURNAROUND; 1875184610Salfred eifs = 64; 1876184610Salfred } 1877184610Salfred 1878188417Sthompsa ural_write(sc, RAL_MAC_CSR10, slottime); 1879188417Sthompsa ural_write(sc, RAL_MAC_CSR11, sifs); 1880188417Sthompsa ural_write(sc, RAL_MAC_CSR12, eifs); 1881184610Salfred} 1882184610Salfred 1883184610Salfredstatic void 1884188417Sthompsaural_set_txpreamble(struct ural_softc *sc) 1885184610Salfred{ 1886188417Sthompsa struct ifnet *ifp = sc->sc_ifp; 1887188417Sthompsa struct ieee80211com *ic = ifp->if_l2com; 1888184610Salfred uint16_t tmp; 1889184610Salfred 1890188417Sthompsa tmp = ural_read(sc, RAL_TXRX_CSR10); 1891184610Salfred 1892188417Sthompsa tmp &= ~RAL_SHORT_PREAMBLE; 1893188417Sthompsa if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 1894184610Salfred tmp |= RAL_SHORT_PREAMBLE; 1895184610Salfred 1896188417Sthompsa ural_write(sc, RAL_TXRX_CSR10, tmp); 1897184610Salfred} 1898184610Salfred 1899184610Salfredstatic void 1900188417Sthompsaural_set_basicrates(struct ural_softc *sc, const struct ieee80211_channel *c) 1901184610Salfred{ 1902188417Sthompsa /* XXX wrong, take from rate set */ 1903188417Sthompsa /* update basic rate set */ 1904188417Sthompsa if (IEEE80211_IS_CHAN_5GHZ(c)) { 1905188417Sthompsa /* 11a basic rates: 6, 12, 24Mbps */ 1906188417Sthompsa ural_write(sc, RAL_TXRX_CSR11, 0x150); 1907188417Sthompsa } else if (IEEE80211_IS_CHAN_ANYG(c)) { 1908188417Sthompsa /* 11g basic rates: 1, 2, 5.5, 11, 6, 12, 24Mbps */ 1909188417Sthompsa ural_write(sc, RAL_TXRX_CSR11, 0x15f); 1910188417Sthompsa } else { 1911188417Sthompsa /* 11b basic rates: 1, 2Mbps */ 1912188417Sthompsa ural_write(sc, RAL_TXRX_CSR11, 0x3); 1913188417Sthompsa } 1914184610Salfred} 1915184610Salfred 1916184610Salfredstatic void 1917188417Sthompsaural_set_bssid(struct ural_softc *sc, const uint8_t *bssid) 1918184610Salfred{ 1919188417Sthompsa uint16_t tmp; 1920184610Salfred 1921188417Sthompsa tmp = bssid[0] | bssid[1] << 8; 1922188417Sthompsa ural_write(sc, RAL_MAC_CSR5, tmp); 1923188417Sthompsa 1924188417Sthompsa tmp = bssid[2] | bssid[3] << 8; 1925188417Sthompsa ural_write(sc, RAL_MAC_CSR6, tmp); 1926188417Sthompsa 1927188417Sthompsa tmp = bssid[4] | bssid[5] << 8; 1928188417Sthompsa ural_write(sc, RAL_MAC_CSR7, tmp); 1929188417Sthompsa 1930188417Sthompsa DPRINTF("setting BSSID to %6D\n", bssid, ":"); 1931184610Salfred} 1932184610Salfred 1933184610Salfredstatic void 1934188417Sthompsaural_set_macaddr(struct ural_softc *sc, uint8_t *addr) 1935184610Salfred{ 1936184610Salfred uint16_t tmp; 1937184610Salfred 1938188417Sthompsa tmp = addr[0] | addr[1] << 8; 1939188417Sthompsa ural_write(sc, RAL_MAC_CSR2, tmp); 1940184610Salfred 1941188417Sthompsa tmp = addr[2] | addr[3] << 8; 1942188417Sthompsa ural_write(sc, RAL_MAC_CSR3, tmp); 1943184610Salfred 1944188417Sthompsa tmp = addr[4] | addr[5] << 8; 1945188417Sthompsa ural_write(sc, RAL_MAC_CSR4, tmp); 1946184610Salfred 1947188417Sthompsa DPRINTF("setting MAC address to %6D\n", addr, ":"); 1948184610Salfred} 1949184610Salfred 1950184610Salfredstatic void 1951188417Sthompsaural_promisctask(struct usb2_proc_msg *pm) 1952184610Salfred{ 1953188417Sthompsa struct ural_task *task = (struct ural_task *)pm; 1954188417Sthompsa struct ural_softc *sc = task->sc; 1955188417Sthompsa struct ifnet *ifp = sc->sc_ifp; 1956188417Sthompsa uint32_t tmp; 1957184610Salfred 1958188417Sthompsa tmp = ural_read(sc, RAL_TXRX_CSR2); 1959184610Salfred 1960188417Sthompsa tmp &= ~RAL_DROP_NOT_TO_ME; 1961188417Sthompsa if (!(ifp->if_flags & IFF_PROMISC)) 1962188417Sthompsa tmp |= RAL_DROP_NOT_TO_ME; 1963184610Salfred 1964188417Sthompsa ural_write(sc, RAL_TXRX_CSR2, tmp); 1965184610Salfred 1966188417Sthompsa DPRINTF("%s promiscuous mode\n", (ifp->if_flags & IFF_PROMISC) ? 1967188417Sthompsa "entering" : "leaving"); 1968184610Salfred} 1969184610Salfred 1970188417Sthompsastatic const char * 1971188417Sthompsaural_get_rf(int rev) 1972184610Salfred{ 1973188417Sthompsa switch (rev) { 1974188417Sthompsa case RAL_RF_2522: return "RT2522"; 1975188417Sthompsa case RAL_RF_2523: return "RT2523"; 1976188417Sthompsa case RAL_RF_2524: return "RT2524"; 1977188417Sthompsa case RAL_RF_2525: return "RT2525"; 1978188417Sthompsa case RAL_RF_2525E: return "RT2525e"; 1979188417Sthompsa case RAL_RF_2526: return "RT2526"; 1980188417Sthompsa case RAL_RF_5222: return "RT5222"; 1981188417Sthompsa default: return "unknown"; 1982184610Salfred } 1983184610Salfred} 1984184610Salfred 1985184610Salfredstatic void 1986188417Sthompsaural_read_eeprom(struct ural_softc *sc) 1987184610Salfred{ 1988184610Salfred uint16_t val; 1989184610Salfred 1990188417Sthompsa ural_eeprom_read(sc, RAL_EEPROM_CONFIG0, &val, 2); 1991184610Salfred val = le16toh(val); 1992188417Sthompsa sc->rf_rev = (val >> 11) & 0x7; 1993188417Sthompsa sc->hw_radio = (val >> 10) & 0x1; 1994188417Sthompsa sc->led_mode = (val >> 6) & 0x7; 1995188417Sthompsa sc->rx_ant = (val >> 4) & 0x3; 1996188417Sthompsa sc->tx_ant = (val >> 2) & 0x3; 1997188417Sthompsa sc->nb_ant = val & 0x3; 1998184610Salfred 1999184610Salfred /* read MAC address */ 2000188419Sthompsa ural_eeprom_read(sc, RAL_EEPROM_ADDRESS, sc->sc_bssid, 6); 2001184610Salfred 2002184610Salfred /* read default values for BBP registers */ 2003188417Sthompsa ural_eeprom_read(sc, RAL_EEPROM_BBP_BASE, sc->bbp_prom, 2 * 16); 2004184610Salfred 2005184610Salfred /* read Tx power for all b/g channels */ 2006188417Sthompsa ural_eeprom_read(sc, RAL_EEPROM_TXPOWER, sc->txpow, 14); 2007184610Salfred} 2008184610Salfred 2009188417Sthompsastatic int 2010188417Sthompsaural_bbp_init(struct ural_softc *sc) 2011184610Salfred{ 2012188417Sthompsa#define N(a) (sizeof (a) / sizeof ((a)[0])) 2013188417Sthompsa int i, ntries; 2014184610Salfred 2015188417Sthompsa /* wait for BBP to be ready */ 2016188417Sthompsa for (ntries = 0; ntries < 100; ntries++) { 2017188417Sthompsa if (ural_bbp_read(sc, RAL_BBP_VERSION) != 0) 2018188417Sthompsa break; 2019188619Sthompsa if (ural_pause(sc, hz / 100)) 2020188619Sthompsa break; 2021184610Salfred } 2022188417Sthompsa if (ntries == 100) { 2023188417Sthompsa device_printf(sc->sc_dev, "timeout waiting for BBP\n"); 2024188417Sthompsa return EIO; 2025188417Sthompsa } 2026184610Salfred 2027184610Salfred /* initialize BBP registers to default values */ 2028188417Sthompsa for (i = 0; i < N(ural_def_bbp); i++) 2029188417Sthompsa ural_bbp_write(sc, ural_def_bbp[i].reg, ural_def_bbp[i].val); 2030184610Salfred 2031184610Salfred#if 0 2032184610Salfred /* initialize BBP registers to values stored in EEPROM */ 2033184610Salfred for (i = 0; i < 16; i++) { 2034188417Sthompsa if (sc->bbp_prom[i].reg == 0xff) 2035184610Salfred continue; 2036188417Sthompsa ural_bbp_write(sc, sc->bbp_prom[i].reg, sc->bbp_prom[i].val); 2037184610Salfred } 2038184610Salfred#endif 2039188417Sthompsa 2040188417Sthompsa return 0; 2041188417Sthompsa#undef N 2042184610Salfred} 2043184610Salfred 2044184610Salfredstatic void 2045188417Sthompsaural_set_txantenna(struct ural_softc *sc, int antenna) 2046184610Salfred{ 2047188417Sthompsa uint16_t tmp; 2048188417Sthompsa uint8_t tx; 2049184610Salfred 2050188417Sthompsa tx = ural_bbp_read(sc, RAL_BBP_TX) & ~RAL_BBP_ANTMASK; 2051188417Sthompsa if (antenna == 1) 2052188417Sthompsa tx |= RAL_BBP_ANTA; 2053188417Sthompsa else if (antenna == 2) 2054188417Sthompsa tx |= RAL_BBP_ANTB; 2055188417Sthompsa else 2056188417Sthompsa tx |= RAL_BBP_DIVERSITY; 2057184610Salfred 2058188417Sthompsa /* need to force I/Q flip for RF 2525e, 2526 and 5222 */ 2059188417Sthompsa if (sc->rf_rev == RAL_RF_2525E || sc->rf_rev == RAL_RF_2526 || 2060188417Sthompsa sc->rf_rev == RAL_RF_5222) 2061188417Sthompsa tx |= RAL_BBP_FLIPIQ; 2062184610Salfred 2063188417Sthompsa ural_bbp_write(sc, RAL_BBP_TX, tx); 2064184610Salfred 2065188417Sthompsa /* update values in PHY_CSR5 and PHY_CSR6 */ 2066188417Sthompsa tmp = ural_read(sc, RAL_PHY_CSR5) & ~0x7; 2067188417Sthompsa ural_write(sc, RAL_PHY_CSR5, tmp | (tx & 0x7)); 2068184610Salfred 2069188417Sthompsa tmp = ural_read(sc, RAL_PHY_CSR6) & ~0x7; 2070188417Sthompsa ural_write(sc, RAL_PHY_CSR6, tmp | (tx & 0x7)); 2071184610Salfred} 2072184610Salfred 2073184610Salfredstatic void 2074188417Sthompsaural_set_rxantenna(struct ural_softc *sc, int antenna) 2075184610Salfred{ 2076188417Sthompsa uint8_t rx; 2077188417Sthompsa 2078188417Sthompsa rx = ural_bbp_read(sc, RAL_BBP_RX) & ~RAL_BBP_ANTMASK; 2079188417Sthompsa if (antenna == 1) 2080188417Sthompsa rx |= RAL_BBP_ANTA; 2081188417Sthompsa else if (antenna == 2) 2082188417Sthompsa rx |= RAL_BBP_ANTB; 2083188417Sthompsa else 2084188417Sthompsa rx |= RAL_BBP_DIVERSITY; 2085188417Sthompsa 2086188417Sthompsa /* need to force no I/Q flip for RF 2525e and 2526 */ 2087188417Sthompsa if (sc->rf_rev == RAL_RF_2525E || sc->rf_rev == RAL_RF_2526) 2088188417Sthompsa rx &= ~RAL_BBP_FLIPIQ; 2089188417Sthompsa 2090188417Sthompsa ural_bbp_write(sc, RAL_BBP_RX, rx); 2091188417Sthompsa} 2092188417Sthompsa 2093188417Sthompsastatic void 2094188419Sthompsaural_init_task(struct usb2_proc_msg *pm) 2095188417Sthompsa{ 2096188417Sthompsa#define N(a) (sizeof (a) / sizeof ((a)[0])) 2097188419Sthompsa struct ural_task *task = (struct ural_task *)pm; 2098188419Sthompsa struct ural_softc *sc = task->sc; 2099188417Sthompsa struct ifnet *ifp = sc->sc_ifp; 2100188417Sthompsa struct ieee80211com *ic = ifp->if_l2com; 2101184610Salfred uint16_t tmp; 2102188417Sthompsa int i, ntries; 2103184610Salfred 2104188417Sthompsa RAL_LOCK_ASSERT(sc, MA_OWNED); 2105184610Salfred 2106188417Sthompsa ural_set_testmode(sc); 2107188417Sthompsa ural_write(sc, 0x308, 0x00f0); /* XXX magic */ 2108184610Salfred 2109188419Sthompsa ural_stop_task(pm); 2110184610Salfred 2111184610Salfred /* initialize MAC registers to default values */ 2112188417Sthompsa for (i = 0; i < N(ural_def_mac); i++) 2113188417Sthompsa ural_write(sc, ural_def_mac[i].reg, ural_def_mac[i].val); 2114184610Salfred 2115184610Salfred /* wait for BBP and RF to wake up (this can take a long time!) */ 2116188417Sthompsa for (ntries = 0; ntries < 100; ntries++) { 2117188417Sthompsa tmp = ural_read(sc, RAL_MAC_CSR17); 2118188417Sthompsa if ((tmp & (RAL_BBP_AWAKE | RAL_RF_AWAKE)) == 2119188417Sthompsa (RAL_BBP_AWAKE | RAL_RF_AWAKE)) 2120188417Sthompsa break; 2121188619Sthompsa if (ural_pause(sc, hz / 100)) 2122188619Sthompsa break; 2123184610Salfred } 2124188417Sthompsa if (ntries == 100) { 2125188417Sthompsa device_printf(sc->sc_dev, 2126188417Sthompsa "timeout waiting for BBP/RF to wakeup\n"); 2127188417Sthompsa goto fail; 2128188417Sthompsa } 2129184610Salfred 2130184610Salfred /* we're ready! */ 2131188417Sthompsa ural_write(sc, RAL_MAC_CSR1, RAL_HOST_READY); 2132184610Salfred 2133184610Salfred /* set basic rate set (will be updated later) */ 2134188417Sthompsa ural_write(sc, RAL_TXRX_CSR11, 0x15f); 2135184610Salfred 2136188417Sthompsa if (ural_bbp_init(sc) != 0) 2137184610Salfred goto fail; 2138184610Salfred 2139188417Sthompsa ural_set_chan(sc, ic->ic_curchan); 2140188417Sthompsa 2141184610Salfred /* clear statistic registers (STA_CSR0 to STA_CSR10) */ 2142188417Sthompsa ural_read_multi(sc, RAL_STA_CSR0, sc->sta, sizeof sc->sta); 2143184610Salfred 2144188417Sthompsa ural_set_txantenna(sc, sc->tx_ant); 2145188417Sthompsa ural_set_rxantenna(sc, sc->rx_ant); 2146184610Salfred 2147188417Sthompsa IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp)); 2148188417Sthompsa ural_set_macaddr(sc, ic->ic_myaddr); 2149184610Salfred 2150184610Salfred /* 2151188417Sthompsa * Allocate Tx and Rx xfer queues. 2152184610Salfred */ 2153188419Sthompsa ural_setup_tx_list(sc); 2154184610Salfred 2155188417Sthompsa /* kick Rx */ 2156184610Salfred tmp = RAL_DROP_PHY | RAL_DROP_CRC; 2157188417Sthompsa if (ic->ic_opmode != IEEE80211_M_MONITOR) { 2158188417Sthompsa tmp |= RAL_DROP_CTL | RAL_DROP_BAD_VERSION; 2159188417Sthompsa if (ic->ic_opmode != IEEE80211_M_HOSTAP) 2160184610Salfred tmp |= RAL_DROP_TODS; 2161188417Sthompsa if (!(ifp->if_flags & IFF_PROMISC)) 2162184610Salfred tmp |= RAL_DROP_NOT_TO_ME; 2163184610Salfred } 2164188417Sthompsa ural_write(sc, RAL_TXRX_CSR2, tmp); 2165184610Salfred 2166188417Sthompsa ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2167188417Sthompsa ifp->if_drv_flags |= IFF_DRV_RUNNING; 2168188417Sthompsa usb2_transfer_start(sc->sc_xfer[URAL_BULK_RD]); 2169184610Salfred return; 2170184610Salfred 2171188419Sthompsafail: ural_stop_task(pm); 2172188417Sthompsa#undef N 2173184610Salfred} 2174184610Salfred 2175184610Salfredstatic void 2176188417Sthompsaural_init(void *priv) 2177184610Salfred{ 2178188417Sthompsa struct ural_softc *sc = priv; 2179184610Salfred struct ifnet *ifp = sc->sc_ifp; 2180188417Sthompsa struct ieee80211com *ic = ifp->if_l2com; 2181184610Salfred 2182188417Sthompsa RAL_LOCK(sc); 2183188419Sthompsa ural_queue_command(sc, ural_init_task, 2184188419Sthompsa &sc->sc_synctask[0].hdr, 2185188419Sthompsa &sc->sc_synctask[1].hdr); 2186188417Sthompsa RAL_UNLOCK(sc); 2187184610Salfred 2188188417Sthompsa if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2189188417Sthompsa ieee80211_start_all(ic); /* start all vap's */ 2190184610Salfred} 2191184610Salfred 2192184610Salfredstatic void 2193188419Sthompsaural_stop_task(struct usb2_proc_msg *pm) 2194184610Salfred{ 2195188419Sthompsa struct ural_task *task = (struct ural_task *)pm; 2196188419Sthompsa struct ural_softc *sc = task->sc; 2197184610Salfred struct ifnet *ifp = sc->sc_ifp; 2198184610Salfred 2199188417Sthompsa RAL_LOCK_ASSERT(sc, MA_OWNED); 2200184610Salfred 2201188417Sthompsa ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 2202184610Salfred 2203184610Salfred /* 2204188419Sthompsa * Drain all the transfers, if not already drained: 2205184610Salfred */ 2206188419Sthompsa RAL_UNLOCK(sc); 2207188419Sthompsa usb2_transfer_drain(sc->sc_xfer[URAL_BULK_WR]); 2208188419Sthompsa usb2_transfer_drain(sc->sc_xfer[URAL_BULK_RD]); 2209188419Sthompsa RAL_LOCK(sc); 2210184610Salfred 2211188419Sthompsa ural_unsetup_tx_list(sc); 2212184610Salfred 2213188417Sthompsa /* disable Rx */ 2214188417Sthompsa ural_write(sc, RAL_TXRX_CSR2, RAL_DISABLE_RX); 2215188417Sthompsa /* reset ASIC and BBP (but won't reset MAC registers!) */ 2216188417Sthompsa ural_write(sc, RAL_MAC_CSR1, RAL_RESET_ASIC | RAL_RESET_BBP); 2217188619Sthompsa /* wait a little */ 2218188619Sthompsa ural_pause(sc, hz / 10); 2219188417Sthompsa ural_write(sc, RAL_MAC_CSR1, 0); 2220184610Salfred} 2221184610Salfred 2222188417Sthompsastatic int 2223188417Sthompsaural_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2224188417Sthompsa const struct ieee80211_bpf_params *params) 2225184610Salfred{ 2226188417Sthompsa struct ieee80211com *ic = ni->ni_ic; 2227188417Sthompsa struct ifnet *ifp = ic->ic_ifp; 2228188417Sthompsa struct ural_softc *sc = ifp->if_softc; 2229184610Salfred 2230188417Sthompsa RAL_LOCK(sc); 2231188417Sthompsa /* prevent management frames from being sent if we're not ready */ 2232188417Sthompsa if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2233188417Sthompsa RAL_UNLOCK(sc); 2234188417Sthompsa m_freem(m); 2235188417Sthompsa ieee80211_free_node(ni); 2236188417Sthompsa return ENETDOWN; 2237184610Salfred } 2238188969Sthompsa if (sc->tx_nfree < RAL_TX_MINFREE) { 2239188417Sthompsa ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2240188417Sthompsa RAL_UNLOCK(sc); 2241184610Salfred m_freem(m); 2242184610Salfred ieee80211_free_node(ni); 2243188417Sthompsa return EIO; 2244184610Salfred } 2245184610Salfred 2246188417Sthompsa ifp->if_opackets++; 2247184610Salfred 2248188417Sthompsa if (params == NULL) { 2249188417Sthompsa /* 2250188417Sthompsa * Legacy path; interpret frame contents to decide 2251188417Sthompsa * precisely how to send the frame. 2252188417Sthompsa */ 2253188417Sthompsa if (ural_tx_mgt(sc, m, ni) != 0) 2254188417Sthompsa goto bad; 2255188417Sthompsa } else { 2256188417Sthompsa /* 2257188417Sthompsa * Caller supplied explicit parameters to use in 2258188417Sthompsa * sending the frame. 2259188417Sthompsa */ 2260188417Sthompsa if (ural_tx_raw(sc, m, ni, params) != 0) 2261188417Sthompsa goto bad; 2262184610Salfred } 2263188417Sthompsa RAL_UNLOCK(sc); 2264188417Sthompsa return 0; 2265188417Sthompsabad: 2266188417Sthompsa ifp->if_oerrors++; 2267188417Sthompsa RAL_UNLOCK(sc); 2268188417Sthompsa ieee80211_free_node(ni); 2269188417Sthompsa return EIO; /* XXX */ 2270184610Salfred} 2271184610Salfred 2272184610Salfredstatic void 2273188417Sthompsaural_amrr_start(struct ural_softc *sc, struct ieee80211_node *ni) 2274184610Salfred{ 2275188417Sthompsa struct ieee80211vap *vap = ni->ni_vap; 2276188417Sthompsa struct ural_vap *uvp = URAL_VAP(vap); 2277184610Salfred 2278188417Sthompsa /* clear statistic registers (STA_CSR0 to STA_CSR10) */ 2279188417Sthompsa ural_read_multi(sc, RAL_STA_CSR0, sc->sta, sizeof sc->sta); 2280184610Salfred 2281188417Sthompsa ieee80211_amrr_node_init(&uvp->amrr, &URAL_NODE(ni)->amn, ni); 2282184610Salfred 2283188417Sthompsa usb2_callout_reset(&uvp->amrr_ch, hz, ural_amrr_timeout, uvp); 2284184610Salfred} 2285184610Salfred 2286184610Salfredstatic void 2287188417Sthompsaural_amrr_timeout(void *arg) 2288184610Salfred{ 2289188417Sthompsa struct ural_vap *uvp = arg; 2290188417Sthompsa struct ural_softc *sc = uvp->sc; 2291184610Salfred 2292188417Sthompsa ural_queue_command(sc, ural_amrr_task, 2293188417Sthompsa &uvp->amrr_task[0].hdr, &uvp->amrr_task[1].hdr); 2294184610Salfred} 2295184610Salfred 2296184610Salfredstatic void 2297188417Sthompsaural_amrr_task(struct usb2_proc_msg *pm) 2298184610Salfred{ 2299188417Sthompsa struct ural_task *task = (struct ural_task *)pm; 2300188417Sthompsa struct ural_softc *sc = task->sc; 2301188417Sthompsa struct ifnet *ifp = sc->sc_ifp; 2302188417Sthompsa struct ieee80211com *ic = ifp->if_l2com; 2303188417Sthompsa struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2304188417Sthompsa struct ural_vap *uvp = URAL_VAP(vap); 2305188417Sthompsa struct ieee80211_node *ni = vap->iv_bss; 2306188417Sthompsa int ok, fail; 2307184610Salfred 2308188417Sthompsa /* read and clear statistic registers (STA_CSR0 to STA_CSR10) */ 2309188417Sthompsa ural_read_multi(sc, RAL_STA_CSR0, sc->sta, sizeof(sc->sta)); 2310184610Salfred 2311188417Sthompsa ok = sc->sta[7] + /* TX ok w/o retry */ 2312188417Sthompsa sc->sta[8]; /* TX ok w/ retry */ 2313188417Sthompsa fail = sc->sta[9]; /* TX retry-fail count */ 2314184610Salfred 2315188417Sthompsa ieee80211_amrr_tx_update(&URAL_NODE(ni)->amn, 2316188417Sthompsa ok+fail, ok, sc->sta[8] + fail); 2317188417Sthompsa (void) ieee80211_amrr_choose(ni, &URAL_NODE(ni)->amn); 2318184610Salfred 2319188417Sthompsa ifp->if_oerrors += fail; /* count TX retry-fail as Tx errors */ 2320184610Salfred 2321188417Sthompsa usb2_callout_reset(&uvp->amrr_ch, hz, ural_amrr_timeout, uvp); 2322184610Salfred} 2323184610Salfred 2324188619Sthompsastatic int 2325188619Sthompsaural_pause(struct ural_softc *sc, int timeout) 2326188619Sthompsa{ 2327188619Sthompsa if (usb2_proc_is_gone(&sc->sc_tq)) 2328188619Sthompsa return (1); 2329188619Sthompsa 2330188619Sthompsa usb2_pause_mtx(&sc->sc_mtx, timeout); 2331188619Sthompsa return (0); 2332188619Sthompsa} 2333188619Sthompsa 2334184610Salfredstatic void 2335188417Sthompsaural_queue_command(struct ural_softc *sc, usb2_proc_callback_t *fn, 2336188417Sthompsa struct usb2_proc_msg *t0, struct usb2_proc_msg *t1) 2337184610Salfred{ 2338188417Sthompsa struct ural_task *task; 2339184610Salfred 2340188417Sthompsa RAL_LOCK_ASSERT(sc, MA_OWNED); 2341184610Salfred 2342188417Sthompsa if (usb2_proc_is_gone(&sc->sc_tq)) { 2343188417Sthompsa DPRINTF("proc is gone\n"); 2344188417Sthompsa return; /* nothing to do */ 2345184610Salfred } 2346188417Sthompsa /* 2347188417Sthompsa * NOTE: The task cannot get executed before we drop the 2348188417Sthompsa * "sc_mtx" mutex. It is safe to update fields in the message 2349188417Sthompsa * structure after that the message got queued. 2350188417Sthompsa */ 2351188417Sthompsa task = (struct ural_task *) 2352188417Sthompsa usb2_proc_msignal(&sc->sc_tq, t0, t1); 2353184610Salfred 2354188417Sthompsa /* Setup callback and softc pointers */ 2355188417Sthompsa task->hdr.pm_callback = fn; 2356188417Sthompsa task->sc = sc; 2357184610Salfred 2358188419Sthompsa /* 2359188419Sthompsa * Init and stop must be synchronous! 2360188419Sthompsa */ 2361188419Sthompsa if ((fn == ural_init_task) || (fn == ural_stop_task)) 2362188419Sthompsa usb2_proc_mwait(&sc->sc_tq, t0, t1); 2363184610Salfred} 2364184610Salfred 2365