if_ural.c revision 233774
1190688Sweongyo/* $FreeBSD: head/sys/dev/usb/wlan/if_ural.c 233774 2012-04-02 10:50:42Z hselasky $ */ 2190688Sweongyo 3190688Sweongyo/*- 4190688Sweongyo * Copyright (c) 2005, 2006 5190688Sweongyo * Damien Bergamini <damien.bergamini@free.fr> 6190688Sweongyo * 7190688Sweongyo * Copyright (c) 2006, 2008 8190688Sweongyo * Hans Petter Selasky <hselasky@FreeBSD.org> 9190688Sweongyo * 10190688Sweongyo * Permission to use, copy, modify, and distribute this software for any 11190688Sweongyo * purpose with or without fee is hereby granted, provided that the above 12190688Sweongyo * copyright notice and this permission notice appear in all copies. 13190688Sweongyo * 14190688Sweongyo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 15190688Sweongyo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 16190688Sweongyo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 17190688Sweongyo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 18190688Sweongyo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 19190688Sweongyo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 20190688Sweongyo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 21190688Sweongyo */ 22190688Sweongyo 23190688Sweongyo#include <sys/cdefs.h> 24190688Sweongyo__FBSDID("$FreeBSD: head/sys/dev/usb/wlan/if_ural.c 233774 2012-04-02 10:50:42Z hselasky $"); 25190688Sweongyo 26190688Sweongyo/*- 27190688Sweongyo * Ralink Technology RT2500USB chipset driver 28190688Sweongyo * http://www.ralinktech.com/ 29190688Sweongyo */ 30190688Sweongyo 31190688Sweongyo#include <sys/param.h> 32190688Sweongyo#include <sys/sockio.h> 33190688Sweongyo#include <sys/sysctl.h> 34190688Sweongyo#include <sys/lock.h> 35190688Sweongyo#include <sys/mutex.h> 36190688Sweongyo#include <sys/mbuf.h> 37190688Sweongyo#include <sys/kernel.h> 38190688Sweongyo#include <sys/socket.h> 39190688Sweongyo#include <sys/systm.h> 40190688Sweongyo#include <sys/malloc.h> 41190688Sweongyo#include <sys/module.h> 42190688Sweongyo#include <sys/bus.h> 43190688Sweongyo#include <sys/endian.h> 44190688Sweongyo#include <sys/kdb.h> 45190688Sweongyo 46190688Sweongyo#include <machine/bus.h> 47190688Sweongyo#include <machine/resource.h> 48190688Sweongyo#include <sys/rman.h> 49190688Sweongyo 50190688Sweongyo#include <net/bpf.h> 51190688Sweongyo#include <net/if.h> 52190688Sweongyo#include <net/if_arp.h> 53190688Sweongyo#include <net/ethernet.h> 54190688Sweongyo#include <net/if_dl.h> 55190688Sweongyo#include <net/if_media.h> 56190688Sweongyo#include <net/if_types.h> 57190688Sweongyo 58190688Sweongyo#ifdef INET 59190688Sweongyo#include <netinet/in.h> 60190688Sweongyo#include <netinet/in_systm.h> 61190688Sweongyo#include <netinet/in_var.h> 62190688Sweongyo#include <netinet/if_ether.h> 63190688Sweongyo#include <netinet/ip.h> 64190688Sweongyo#endif 65190688Sweongyo 66190688Sweongyo#include <net80211/ieee80211_var.h> 67190688Sweongyo#include <net80211/ieee80211_regdomain.h> 68190688Sweongyo#include <net80211/ieee80211_radiotap.h> 69190688Sweongyo#include <net80211/ieee80211_ratectl.h> 70190688Sweongyo 71190688Sweongyo#include <dev/usb/usb.h> 72190688Sweongyo#include <dev/usb/usbdi.h> 73190688Sweongyo#include "usbdevs.h" 74190688Sweongyo 75190688Sweongyo#define USB_DEBUG_VAR ural_debug 76190688Sweongyo#include <dev/usb/usb_debug.h> 77190688Sweongyo 78190688Sweongyo#include <dev/usb/wlan/if_uralreg.h> 79190688Sweongyo#include <dev/usb/wlan/if_uralvar.h> 80190688Sweongyo 81190688Sweongyo#ifdef USB_DEBUG 82190688Sweongyostatic int ural_debug = 0; 83190688Sweongyo 84190688Sweongyostatic SYSCTL_NODE(_hw_usb, OID_AUTO, ural, CTLFLAG_RW, 0, "USB ural"); 85190688SweongyoSYSCTL_INT(_hw_usb_ural, OID_AUTO, debug, CTLFLAG_RW, &ural_debug, 0, 86190688Sweongyo "Debug level"); 87190688Sweongyo#endif 88190688Sweongyo 89190688Sweongyo#define URAL_RSSI(rssi) \ 90190688Sweongyo ((rssi) > (RAL_NOISE_FLOOR + RAL_RSSI_CORR) ? \ 91190688Sweongyo ((rssi) - (RAL_NOISE_FLOOR + RAL_RSSI_CORR)) : 0) 92190688Sweongyo 93190688Sweongyo/* various supported device vendors/products */ 94190688Sweongyostatic const STRUCT_USB_HOST_ID ural_devs[] = { 95190688Sweongyo#define URAL_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) } 96190688Sweongyo URAL_DEV(ASUS, WL167G), 97190688Sweongyo URAL_DEV(ASUS, RT2570), 98190688Sweongyo URAL_DEV(BELKIN, F5D7050), 99190688Sweongyo URAL_DEV(BELKIN, F5D7051), 100190688Sweongyo URAL_DEV(CISCOLINKSYS, HU200TS), 101190688Sweongyo URAL_DEV(CISCOLINKSYS, WUSB54G), 102190688Sweongyo URAL_DEV(CISCOLINKSYS, WUSB54GP), 103190688Sweongyo URAL_DEV(CONCEPTRONIC2, C54RU), 104190688Sweongyo URAL_DEV(DLINK, DWLG122), 105190688Sweongyo URAL_DEV(GIGABYTE, GN54G), 106190688Sweongyo URAL_DEV(GIGABYTE, GNWBKG), 107190688Sweongyo URAL_DEV(GUILLEMOT, HWGUSB254), 108194677Sthompsa URAL_DEV(MELCO, KG54), 109190688Sweongyo URAL_DEV(MELCO, KG54AI), 110190688Sweongyo URAL_DEV(MELCO, KG54YB), 111190688Sweongyo URAL_DEV(MELCO, NINWIFI), 112190688Sweongyo URAL_DEV(MSI, RT2570), 113190688Sweongyo URAL_DEV(MSI, RT2570_2), 114192502Sthompsa URAL_DEV(MSI, RT2570_3), 115190688Sweongyo URAL_DEV(NOVATECH, NV902), 116190688Sweongyo URAL_DEV(RALINK, RT2570), 117192502Sthompsa URAL_DEV(RALINK, RT2570_2), 118190688Sweongyo URAL_DEV(RALINK, RT2570_3), 119192502Sthompsa URAL_DEV(SIEMENS2, WL54G), 120190688Sweongyo URAL_DEV(SMC, 2862WG), 121192502Sthompsa URAL_DEV(SPHAIRON, UB801R), 122190688Sweongyo URAL_DEV(SURECOM, RT2570), 123190688Sweongyo URAL_DEV(VTECH, RT2570), 124190688Sweongyo URAL_DEV(ZINWELL, RT2570), 125190688Sweongyo#undef URAL_DEV 126192502Sthompsa}; 127190688Sweongyo 128190688Sweongyostatic usb_callback_t ural_bulk_read_callback; 129190688Sweongyostatic usb_callback_t ural_bulk_write_callback; 130190688Sweongyo 131190688Sweongyostatic usb_error_t ural_do_request(struct ural_softc *sc, 132190688Sweongyo struct usb_device_request *req, void *data); 133190688Sweongyostatic struct ieee80211vap *ural_vap_create(struct ieee80211com *, 134190688Sweongyo const char [IFNAMSIZ], int, enum ieee80211_opmode, 135190688Sweongyo int, const uint8_t [IEEE80211_ADDR_LEN], 136190688Sweongyo const uint8_t [IEEE80211_ADDR_LEN]); 137190688Sweongyostatic void ural_vap_delete(struct ieee80211vap *); 138190688Sweongyostatic void ural_tx_free(struct ural_tx_data *, int); 139190688Sweongyostatic void ural_setup_tx_list(struct ural_softc *); 140190688Sweongyostatic void ural_unsetup_tx_list(struct ural_softc *); 141190688Sweongyostatic int ural_newstate(struct ieee80211vap *, 142190688Sweongyo enum ieee80211_state, int); 143190688Sweongyostatic void ural_setup_tx_desc(struct ural_softc *, 144190688Sweongyo struct ural_tx_desc *, uint32_t, int, int); 145190688Sweongyostatic int ural_tx_bcn(struct ural_softc *, struct mbuf *, 146190688Sweongyo struct ieee80211_node *); 147190688Sweongyostatic int ural_tx_mgt(struct ural_softc *, struct mbuf *, 148190688Sweongyo struct ieee80211_node *); 149190688Sweongyostatic int ural_tx_data(struct ural_softc *, struct mbuf *, 150190688Sweongyo struct ieee80211_node *); 151190688Sweongyostatic void ural_start(struct ifnet *); 152190688Sweongyostatic int ural_ioctl(struct ifnet *, u_long, caddr_t); 153190688Sweongyostatic void ural_set_testmode(struct ural_softc *); 154190688Sweongyostatic void ural_eeprom_read(struct ural_softc *, uint16_t, void *, 155190688Sweongyo int); 156190688Sweongyostatic uint16_t ural_read(struct ural_softc *, uint16_t); 157190688Sweongyostatic void ural_read_multi(struct ural_softc *, uint16_t, void *, 158190688Sweongyo int); 159190688Sweongyostatic void ural_write(struct ural_softc *, uint16_t, uint16_t); 160190688Sweongyostatic void ural_write_multi(struct ural_softc *, uint16_t, void *, 161190688Sweongyo int) __unused; 162190688Sweongyostatic void ural_bbp_write(struct ural_softc *, uint8_t, uint8_t); 163190688Sweongyostatic uint8_t ural_bbp_read(struct ural_softc *, uint8_t); 164190688Sweongyostatic void ural_rf_write(struct ural_softc *, uint8_t, uint32_t); 165190688Sweongyostatic void ural_scan_start(struct ieee80211com *); 166190688Sweongyostatic void ural_scan_end(struct ieee80211com *); 167190688Sweongyostatic void ural_set_channel(struct ieee80211com *); 168190688Sweongyostatic void ural_set_chan(struct ural_softc *, 169190688Sweongyo struct ieee80211_channel *); 170192984Sthompsastatic void ural_disable_rf_tune(struct ural_softc *); 171190688Sweongyostatic void ural_enable_tsf_sync(struct ural_softc *); 172193029Sweongyostatic void ural_enable_tsf(struct ural_softc *); 173193029Sweongyostatic void ural_update_slot(struct ifnet *); 174190688Sweongyostatic void ural_set_txpreamble(struct ural_softc *); 175190688Sweongyostatic void ural_set_basicrates(struct ural_softc *, 176190688Sweongyo const struct ieee80211_channel *); 177190688Sweongyostatic void ural_set_bssid(struct ural_softc *, const uint8_t *); 178190688Sweongyostatic void ural_set_macaddr(struct ural_softc *, uint8_t *); 179190688Sweongyostatic void ural_update_promisc(struct ifnet *); 180190688Sweongyostatic void ural_setpromisc(struct ural_softc *); 181190688Sweongyostatic const char *ural_get_rf(int); 182190688Sweongyostatic void ural_read_eeprom(struct ural_softc *); 183195916Sweongyostatic int ural_bbp_init(struct ural_softc *); 184190688Sweongyostatic void ural_set_txantenna(struct ural_softc *, int); 185190688Sweongyostatic void ural_set_rxantenna(struct ural_softc *, int); 186190688Sweongyostatic void ural_init_locked(struct ural_softc *); 187190688Sweongyostatic void ural_init(void *); 188190688Sweongyostatic void ural_stop(struct ural_softc *); 189190688Sweongyostatic int ural_raw_xmit(struct ieee80211_node *, struct mbuf *, 190190688Sweongyo const struct ieee80211_bpf_params *); 191203143Sthompsastatic void ural_ratectl_start(struct ural_softc *, 192190688Sweongyo struct ieee80211_node *); 193190688Sweongyostatic void ural_ratectl_timeout(void *); 194190688Sweongyostatic void ural_ratectl_task(void *, int); 195190688Sweongyostatic int ural_pause(struct ural_softc *sc, int timeout); 196190688Sweongyo 197190688Sweongyo/* 198190688Sweongyo * Default values for MAC registers; values taken from the reference driver. 199190688Sweongyo */ 200193045Sthompsastatic const struct { 201193045Sthompsa uint16_t reg; 202193045Sthompsa uint16_t val; 203193045Sthompsa} ural_def_mac[] = { 204190688Sweongyo { RAL_TXRX_CSR5, 0x8c8d }, 205192984Sthompsa { RAL_TXRX_CSR6, 0x8b8a }, 206190688Sweongyo { RAL_TXRX_CSR7, 0x8687 }, 207190688Sweongyo { RAL_TXRX_CSR8, 0x0085 }, 208190688Sweongyo { RAL_MAC_CSR13, 0x1111 }, 209190688Sweongyo { RAL_MAC_CSR14, 0x1e11 }, 210190744Sthompsa { RAL_TXRX_CSR21, 0xe78f }, 211190744Sthompsa { RAL_MAC_CSR9, 0xff1d }, 212190688Sweongyo { RAL_MAC_CSR11, 0x0002 }, 213190688Sweongyo { RAL_MAC_CSR22, 0x0053 }, 214190688Sweongyo { RAL_MAC_CSR15, 0x0000 }, 215190744Sthompsa { RAL_MAC_CSR8, RAL_FRAME_SIZE }, 216190688Sweongyo { RAL_TXRX_CSR19, 0x0000 }, 217190688Sweongyo { RAL_TXRX_CSR18, 0x005a }, 218190688Sweongyo { RAL_PHY_CSR2, 0x0000 }, 219190688Sweongyo { RAL_TXRX_CSR0, 0x1ec0 }, 220190688Sweongyo { RAL_PHY_CSR4, 0x000f } 221190744Sthompsa}; 222190744Sthompsa 223190688Sweongyo/* 224190688Sweongyo * Default values for BBP registers; values taken from the reference driver. 225190688Sweongyo */ 226190688Sweongyostatic const struct { 227190744Sthompsa uint8_t reg; 228190744Sthompsa uint8_t val; 229190688Sweongyo} ural_def_bbp[] = { 230190688Sweongyo { 3, 0x02 }, 231190688Sweongyo { 4, 0x19 }, 232190688Sweongyo { 14, 0x1c }, 233190688Sweongyo { 15, 0x30 }, 234190744Sthompsa { 16, 0xac }, 235190744Sthompsa { 17, 0x48 }, 236190688Sweongyo { 18, 0x18 }, 237190688Sweongyo { 19, 0xff }, 238190688Sweongyo { 20, 0x1e }, 239190688Sweongyo { 21, 0x08 }, 240190744Sthompsa { 22, 0x08 }, 241190688Sweongyo { 23, 0x08 }, 242190688Sweongyo { 24, 0x80 }, 243190688Sweongyo { 25, 0x50 }, 244190688Sweongyo { 26, 0x08 }, 245190688Sweongyo { 27, 0x23 }, 246190744Sthompsa { 30, 0x10 }, 247190744Sthompsa { 31, 0x2b }, 248190688Sweongyo { 32, 0xb9 }, 249190688Sweongyo { 34, 0x12 }, 250190688Sweongyo { 35, 0x50 }, 251190688Sweongyo { 39, 0xc4 }, 252190744Sthompsa { 40, 0x02 }, 253190744Sthompsa { 41, 0x60 }, 254190688Sweongyo { 53, 0x10 }, 255190688Sweongyo { 54, 0x18 }, 256190688Sweongyo { 56, 0x08 }, 257190688Sweongyo { 57, 0x10 }, 258190688Sweongyo { 58, 0x08 }, 259190688Sweongyo { 61, 0x60 }, 260190688Sweongyo { 62, 0x10 }, 261190688Sweongyo { 75, 0xff } 262190688Sweongyo}; 263190688Sweongyo 264190688Sweongyo/* 265190688Sweongyo * Default values for RF register R2 indexed by channel numbers. 266190688Sweongyo */ 267190688Sweongyostatic const uint32_t ural_rf2522_r2[] = { 268190688Sweongyo 0x307f6, 0x307fb, 0x30800, 0x30805, 0x3080a, 0x3080f, 0x30814, 269190688Sweongyo 0x30819, 0x3081e, 0x30823, 0x30828, 0x3082d, 0x30832, 0x3083e 270190688Sweongyo}; 271190688Sweongyo 272190688Sweongyostatic const uint32_t ural_rf2523_r2[] = { 273190688Sweongyo 0x00327, 0x00328, 0x00329, 0x0032a, 0x0032b, 0x0032c, 0x0032d, 274190688Sweongyo 0x0032e, 0x0032f, 0x00340, 0x00341, 0x00342, 0x00343, 0x00346 275190688Sweongyo}; 276190688Sweongyo 277190688Sweongyostatic const uint32_t ural_rf2524_r2[] = { 278190688Sweongyo 0x00327, 0x00328, 0x00329, 0x0032a, 0x0032b, 0x0032c, 0x0032d, 279190688Sweongyo 0x0032e, 0x0032f, 0x00340, 0x00341, 0x00342, 0x00343, 0x00346 280190688Sweongyo}; 281190688Sweongyo 282190688Sweongyostatic const uint32_t ural_rf2525_r2[] = { 283190688Sweongyo 0x20327, 0x20328, 0x20329, 0x2032a, 0x2032b, 0x2032c, 0x2032d, 284190688Sweongyo 0x2032e, 0x2032f, 0x20340, 0x20341, 0x20342, 0x20343, 0x20346 285190688Sweongyo}; 286190688Sweongyo 287190688Sweongyostatic const uint32_t ural_rf2525_hi_r2[] = { 288190688Sweongyo 0x2032f, 0x20340, 0x20341, 0x20342, 0x20343, 0x20344, 0x20345, 289190688Sweongyo 0x20346, 0x20347, 0x20348, 0x20349, 0x2034a, 0x2034b, 0x2034e 290190688Sweongyo}; 291190688Sweongyo 292190688Sweongyostatic const uint32_t ural_rf2525e_r2[] = { 293190688Sweongyo 0x2044d, 0x2044e, 0x2044f, 0x20460, 0x20461, 0x20462, 0x20463, 294190688Sweongyo 0x20464, 0x20465, 0x20466, 0x20467, 0x20468, 0x20469, 0x2046b 295190688Sweongyo}; 296190688Sweongyo 297190688Sweongyostatic const uint32_t ural_rf2526_hi_r2[] = { 298190688Sweongyo 0x0022a, 0x0022b, 0x0022b, 0x0022c, 0x0022c, 0x0022d, 0x0022d, 299190688Sweongyo 0x0022e, 0x0022e, 0x0022f, 0x0022d, 0x00240, 0x00240, 0x00241 300190688Sweongyo}; 301190688Sweongyo 302190688Sweongyostatic const uint32_t ural_rf2526_r2[] = { 303190688Sweongyo 0x00226, 0x00227, 0x00227, 0x00228, 0x00228, 0x00229, 0x00229, 304190688Sweongyo 0x0022a, 0x0022a, 0x0022b, 0x0022b, 0x0022c, 0x0022c, 0x0022d 305190688Sweongyo}; 306190688Sweongyo 307190688Sweongyo/* 308190688Sweongyo * For dual-band RF, RF registers R1 and R4 also depend on channel number; 309190688Sweongyo * values taken from the reference driver. 310190688Sweongyo */ 311190688Sweongyostatic const struct { 312190688Sweongyo uint8_t chan; 313190688Sweongyo uint32_t r1; 314190688Sweongyo uint32_t r2; 315190688Sweongyo uint32_t r4; 316190688Sweongyo} ural_rf5222[] = { 317190688Sweongyo { 1, 0x08808, 0x0044d, 0x00282 }, 318190688Sweongyo { 2, 0x08808, 0x0044e, 0x00282 }, 319190688Sweongyo { 3, 0x08808, 0x0044f, 0x00282 }, 320190688Sweongyo { 4, 0x08808, 0x00460, 0x00282 }, 321190688Sweongyo { 5, 0x08808, 0x00461, 0x00282 }, 322190688Sweongyo { 6, 0x08808, 0x00462, 0x00282 }, 323190688Sweongyo { 7, 0x08808, 0x00463, 0x00282 }, 324190688Sweongyo { 8, 0x08808, 0x00464, 0x00282 }, 325190688Sweongyo { 9, 0x08808, 0x00465, 0x00282 }, 326190688Sweongyo { 10, 0x08808, 0x00466, 0x00282 }, 327190688Sweongyo { 11, 0x08808, 0x00467, 0x00282 }, 328192984Sthompsa { 12, 0x08808, 0x00468, 0x00282 }, 329190688Sweongyo { 13, 0x08808, 0x00469, 0x00282 }, 330192499Sthompsa { 14, 0x08808, 0x0046b, 0x00286 }, 331190688Sweongyo 332190688Sweongyo { 36, 0x08804, 0x06225, 0x00287 }, 333190688Sweongyo { 40, 0x08804, 0x06226, 0x00287 }, 334190688Sweongyo { 44, 0x08804, 0x06227, 0x00287 }, 335190688Sweongyo { 48, 0x08804, 0x06228, 0x00287 }, 336190688Sweongyo { 52, 0x08804, 0x06229, 0x00287 }, 337194228Sthompsa { 56, 0x08804, 0x0622a, 0x00287 }, 338190688Sweongyo { 60, 0x08804, 0x0622b, 0x00287 }, 339190688Sweongyo { 64, 0x08804, 0x0622c, 0x00287 }, 340190688Sweongyo 341190688Sweongyo { 100, 0x08804, 0x02200, 0x00283 }, 342190688Sweongyo { 104, 0x08804, 0x02201, 0x00283 }, 343190688Sweongyo { 108, 0x08804, 0x02202, 0x00283 }, 344192984Sthompsa { 112, 0x08804, 0x02203, 0x00283 }, 345190688Sweongyo { 116, 0x08804, 0x02204, 0x00283 }, 346190688Sweongyo { 120, 0x08804, 0x02205, 0x00283 }, 347190688Sweongyo { 124, 0x08804, 0x02206, 0x00283 }, 348193045Sthompsa { 128, 0x08804, 0x02207, 0x00283 }, 349190688Sweongyo { 132, 0x08804, 0x02208, 0x00283 }, 350190688Sweongyo { 136, 0x08804, 0x02209, 0x00283 }, 351190688Sweongyo { 140, 0x08804, 0x0220a, 0x00283 }, 352190688Sweongyo 353190688Sweongyo { 149, 0x08808, 0x02429, 0x00281 }, 354190688Sweongyo { 153, 0x08808, 0x0242b, 0x00281 }, 355190688Sweongyo { 157, 0x08808, 0x0242d, 0x00281 }, 356194228Sthompsa { 161, 0x08808, 0x0242f, 0x00281 } 357190688Sweongyo}; 358190688Sweongyo 359190688Sweongyostatic const struct usb_config ural_config[URAL_N_TRANSFER] = { 360190688Sweongyo [URAL_BULK_WR] = { 361190688Sweongyo .type = UE_BULK, 362190688Sweongyo .endpoint = UE_ADDR_ANY, 363190688Sweongyo .direction = UE_DIR_OUT, 364190688Sweongyo .bufsize = (RAL_FRAME_SIZE + RAL_TX_DESC_SIZE + 4), 365190688Sweongyo .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 366190688Sweongyo .callback = ural_bulk_write_callback, 367190688Sweongyo .timeout = 5000, /* ms */ 368190688Sweongyo }, 369190688Sweongyo [URAL_BULK_RD] = { 370190688Sweongyo .type = UE_BULK, 371190688Sweongyo .endpoint = UE_ADDR_ANY, 372190688Sweongyo .direction = UE_DIR_IN, 373190688Sweongyo .bufsize = (RAL_FRAME_SIZE + RAL_RX_DESC_SIZE), 374190688Sweongyo .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 375190688Sweongyo .callback = ural_bulk_read_callback, 376190688Sweongyo }, 377194228Sthompsa}; 378190688Sweongyo 379190688Sweongyostatic device_probe_t ural_match; 380190688Sweongyostatic device_attach_t ural_attach; 381194228Sthompsastatic device_detach_t ural_detach; 382190688Sweongyo 383190688Sweongyostatic device_method_t ural_methods[] = { 384190688Sweongyo /* Device interface */ 385190688Sweongyo DEVMETHOD(device_probe, ural_match), 386190688Sweongyo DEVMETHOD(device_attach, ural_attach), 387190688Sweongyo DEVMETHOD(device_detach, ural_detach), 388190688Sweongyo 389190688Sweongyo { 0, 0 } 390190688Sweongyo}; 391190688Sweongyo 392190688Sweongyostatic driver_t ural_driver = { 393190688Sweongyo .name = "ural", 394190688Sweongyo .methods = ural_methods, 395190688Sweongyo .size = sizeof(struct ural_softc), 396190688Sweongyo}; 397190688Sweongyo 398190688Sweongyostatic devclass_t ural_devclass; 399190688Sweongyo 400190688SweongyoDRIVER_MODULE(ural, uhub, ural_driver, ural_devclass, NULL, 0); 401190688SweongyoMODULE_DEPEND(ural, usb, 1, 1, 1); 402190688SweongyoMODULE_DEPEND(ural, wlan, 1, 1, 1); 403190688SweongyoMODULE_VERSION(ural, 1); 404190688Sweongyo 405190688Sweongyostatic int 406190688Sweongyoural_match(device_t self) 407190688Sweongyo{ 408190688Sweongyo struct usb_attach_arg *uaa = device_get_ivars(self); 409190688Sweongyo 410190688Sweongyo if (uaa->usb_mode != USB_MODE_HOST) 411190688Sweongyo return (ENXIO); 412190688Sweongyo if (uaa->info.bConfigIndex != 0) 413190688Sweongyo return (ENXIO); 414190688Sweongyo if (uaa->info.bIfaceIndex != RAL_IFACE_INDEX) 415190688Sweongyo return (ENXIO); 416190688Sweongyo 417190688Sweongyo return (usbd_lookup_id_by_uaa(ural_devs, sizeof(ural_devs), uaa)); 418190688Sweongyo} 419190688Sweongyo 420190688Sweongyostatic int 421190688Sweongyoural_attach(device_t self) 422190688Sweongyo{ 423190688Sweongyo struct usb_attach_arg *uaa = device_get_ivars(self); 424190688Sweongyo struct ural_softc *sc = device_get_softc(self); 425190688Sweongyo struct ifnet *ifp; 426190688Sweongyo struct ieee80211com *ic; 427190688Sweongyo uint8_t iface_index, bands; 428190688Sweongyo int error; 429190688Sweongyo 430190688Sweongyo device_set_usb_desc(self); 431190688Sweongyo sc->sc_udev = uaa->device; 432190688Sweongyo sc->sc_dev = self; 433190688Sweongyo 434190688Sweongyo mtx_init(&sc->sc_mtx, device_get_nameunit(self), 435190688Sweongyo MTX_NETWORK_LOCK, MTX_DEF); 436190688Sweongyo 437190688Sweongyo iface_index = RAL_IFACE_INDEX; 438190688Sweongyo error = usbd_transfer_setup(uaa->device, 439190688Sweongyo &iface_index, sc->sc_xfer, ural_config, 440190688Sweongyo URAL_N_TRANSFER, sc, &sc->sc_mtx); 441207554Ssobomax if (error) { 442207554Ssobomax device_printf(self, "could not allocate USB transfers, " 443190688Sweongyo "err=%s\n", usbd_errstr(error)); 444190688Sweongyo goto detach; 445190688Sweongyo } 446190688Sweongyo 447190688Sweongyo RAL_LOCK(sc); 448190688Sweongyo /* retrieve RT2570 rev. no */ 449190688Sweongyo sc->asic_rev = ural_read(sc, RAL_MAC_CSR0); 450190688Sweongyo 451190688Sweongyo /* retrieve MAC address and various other things from EEPROM */ 452190688Sweongyo ural_read_eeprom(sc); 453190688Sweongyo RAL_UNLOCK(sc); 454190688Sweongyo 455190688Sweongyo device_printf(self, "MAC/BBP RT2570 (rev 0x%02x), RF %s\n", 456190688Sweongyo sc->asic_rev, ural_get_rf(sc->rf_rev)); 457190688Sweongyo 458190688Sweongyo ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 459190688Sweongyo if (ifp == NULL) { 460190688Sweongyo device_printf(sc->sc_dev, "can not if_alloc()\n"); 461190688Sweongyo goto detach; 462190688Sweongyo } 463190688Sweongyo ic = ifp->if_l2com; 464190688Sweongyo 465190688Sweongyo ifp->if_softc = sc; 466190688Sweongyo if_initname(ifp, "ural", device_get_unit(sc->sc_dev)); 467190688Sweongyo ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 468190688Sweongyo ifp->if_init = ural_init; 469190688Sweongyo ifp->if_ioctl = ural_ioctl; 470190688Sweongyo ifp->if_start = ural_start; 471190688Sweongyo IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 472190688Sweongyo ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 473190688Sweongyo IFQ_SET_READY(&ifp->if_snd); 474190688Sweongyo 475190688Sweongyo ic->ic_ifp = ifp; 476190688Sweongyo ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 477190688Sweongyo 478190688Sweongyo /* set device capabilities */ 479190688Sweongyo ic->ic_caps = 480190688Sweongyo IEEE80211_C_STA /* station mode supported */ 481190688Sweongyo | IEEE80211_C_IBSS /* IBSS mode supported */ 482190688Sweongyo | IEEE80211_C_MONITOR /* monitor mode supported */ 483192468Ssam | IEEE80211_C_HOSTAP /* HostAp mode supported */ 484192468Ssam | IEEE80211_C_TXPMGT /* tx power management */ 485192468Ssam | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 486192468Ssam | IEEE80211_C_SHSLOT /* short slot time supported */ 487192468Ssam | IEEE80211_C_BGSCAN /* bg scanning supported */ 488190688Sweongyo | IEEE80211_C_WPA /* 802.11i */ 489190688Sweongyo ; 490190688Sweongyo 491190688Sweongyo bands = 0; 492190688Sweongyo setbit(&bands, IEEE80211_MODE_11B); 493190688Sweongyo setbit(&bands, IEEE80211_MODE_11G); 494190688Sweongyo if (sc->rf_rev == RAL_RF_5222) 495190688Sweongyo setbit(&bands, IEEE80211_MODE_11A); 496194228Sthompsa ieee80211_init_channels(ic, NULL, &bands); 497190688Sweongyo 498190688Sweongyo ieee80211_ifattach(ic, sc->sc_bssid); 499190688Sweongyo ic->ic_update_promisc = ural_update_promisc; 500190688Sweongyo ic->ic_raw_xmit = ural_raw_xmit; 501190688Sweongyo ic->ic_scan_start = ural_scan_start; 502190688Sweongyo ic->ic_scan_end = ural_scan_end; 503190688Sweongyo ic->ic_set_channel = ural_set_channel; 504190688Sweongyo 505190688Sweongyo ic->ic_vap_create = ural_vap_create; 506190688Sweongyo ic->ic_vap_delete = ural_vap_delete; 507190688Sweongyo 508190688Sweongyo ieee80211_radiotap_attach(ic, 509190688Sweongyo &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 510190688Sweongyo RAL_TX_RADIOTAP_PRESENT, 511190688Sweongyo &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 512194329Sweongyo RAL_RX_RADIOTAP_PRESENT); 513190688Sweongyo 514194329Sweongyo if (bootverbose) 515194329Sweongyo ieee80211_announce(ic); 516194329Sweongyo 517190688Sweongyo return (0); 518190688Sweongyo 519190688Sweongyodetach: 520190688Sweongyo ural_detach(self); 521190688Sweongyo return (ENXIO); /* failure */ 522194228Sthompsa} 523190688Sweongyo 524190688Sweongyostatic int 525190688Sweongyoural_detach(device_t self) 526190688Sweongyo{ 527190688Sweongyo struct ural_softc *sc = device_get_softc(self); 528190688Sweongyo struct ifnet *ifp = sc->sc_ifp; 529190688Sweongyo struct ieee80211com *ic; 530190688Sweongyo 531190688Sweongyo /* stop all USB transfers */ 532190688Sweongyo usbd_transfer_unsetup(sc->sc_xfer, URAL_N_TRANSFER); 533190688Sweongyo 534190688Sweongyo /* free TX list, if any */ 535190688Sweongyo RAL_LOCK(sc); 536190688Sweongyo ural_unsetup_tx_list(sc); 537190688Sweongyo RAL_UNLOCK(sc); 538190688Sweongyo 539190688Sweongyo if (ifp) { 540190688Sweongyo ic = ifp->if_l2com; 541190688Sweongyo ieee80211_ifdetach(ic); 542190688Sweongyo if_free(ifp); 543190688Sweongyo } 544190688Sweongyo mtx_destroy(&sc->sc_mtx); 545190688Sweongyo 546190688Sweongyo return (0); 547190688Sweongyo} 548190688Sweongyo 549190688Sweongyostatic usb_error_t 550190688Sweongyoural_do_request(struct ural_softc *sc, 551190688Sweongyo struct usb_device_request *req, void *data) 552190688Sweongyo{ 553190688Sweongyo usb_error_t err; 554190688Sweongyo int ntries = 10; 555190688Sweongyo 556190688Sweongyo while (ntries--) { 557190688Sweongyo err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx, 558190688Sweongyo req, data, 0, NULL, 250 /* ms */); 559190688Sweongyo if (err == 0) 560190688Sweongyo break; 561190688Sweongyo 562190688Sweongyo DPRINTFN(1, "Control request failed, %s (retrying)\n", 563190688Sweongyo usbd_errstr(err)); 564190688Sweongyo if (ural_pause(sc, hz / 100)) 565190688Sweongyo break; 566190688Sweongyo } 567190688Sweongyo return (err); 568190688Sweongyo} 569190688Sweongyo 570190688Sweongyostatic struct ieee80211vap * 571190688Sweongyoural_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 572190688Sweongyo enum ieee80211_opmode opmode, int flags, 573190688Sweongyo const uint8_t bssid[IEEE80211_ADDR_LEN], 574190688Sweongyo const uint8_t mac[IEEE80211_ADDR_LEN]) 575190688Sweongyo{ 576190688Sweongyo struct ural_softc *sc = ic->ic_ifp->if_softc; 577190688Sweongyo struct ural_vap *uvp; 578190688Sweongyo struct ieee80211vap *vap; 579190688Sweongyo 580190688Sweongyo if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 581190688Sweongyo return NULL; 582190688Sweongyo uvp = (struct ural_vap *) malloc(sizeof(struct ural_vap), 583190688Sweongyo M_80211_VAP, M_NOWAIT | M_ZERO); 584190688Sweongyo if (uvp == NULL) 585190688Sweongyo return NULL; 586190688Sweongyo vap = &uvp->vap; 587190688Sweongyo /* enable s/w bmiss handling for sta mode */ 588190688Sweongyo ieee80211_vap_setup(ic, vap, name, unit, opmode, 589190688Sweongyo flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); 590190688Sweongyo 591190688Sweongyo /* override state transition machine */ 592190688Sweongyo uvp->newstate = vap->iv_newstate; 593190688Sweongyo vap->iv_newstate = ural_newstate; 594190688Sweongyo 595190688Sweongyo usb_callout_init_mtx(&uvp->ratectl_ch, &sc->sc_mtx, 0); 596190688Sweongyo TASK_INIT(&uvp->ratectl_task, 0, ural_ratectl_task, uvp); 597190688Sweongyo ieee80211_ratectl_init(vap); 598190688Sweongyo ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */); 599190688Sweongyo 600190688Sweongyo /* complete setup */ 601190688Sweongyo ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status); 602190688Sweongyo ic->ic_opmode = opmode; 603190688Sweongyo return vap; 604190688Sweongyo} 605190688Sweongyo 606190688Sweongyostatic void 607190688Sweongyoural_vap_delete(struct ieee80211vap *vap) 608190688Sweongyo{ 609190688Sweongyo struct ural_vap *uvp = URAL_VAP(vap); 610190688Sweongyo struct ieee80211com *ic = vap->iv_ic; 611190688Sweongyo 612190688Sweongyo usb_callout_drain(&uvp->ratectl_ch); 613190688Sweongyo ieee80211_draintask(ic, &uvp->ratectl_task); 614190688Sweongyo ieee80211_ratectl_deinit(vap); 615190688Sweongyo ieee80211_vap_detach(vap); 616190688Sweongyo free(uvp, M_80211_VAP); 617190688Sweongyo} 618190688Sweongyo 619190688Sweongyostatic void 620190688Sweongyoural_tx_free(struct ural_tx_data *data, int txerr) 621190688Sweongyo{ 622190688Sweongyo struct ural_softc *sc = data->sc; 623190688Sweongyo 624190688Sweongyo if (data->m != NULL) { 625190688Sweongyo if (data->m->m_flags & M_TXCB) 626190688Sweongyo ieee80211_process_callback(data->ni, data->m, 627190688Sweongyo txerr ? ETIMEDOUT : 0); 628190688Sweongyo m_freem(data->m); 629190688Sweongyo data->m = NULL; 630190688Sweongyo 631190688Sweongyo ieee80211_free_node(data->ni); 632190688Sweongyo data->ni = NULL; 633190688Sweongyo } 634190688Sweongyo STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 635190688Sweongyo sc->tx_nfree++; 636190688Sweongyo} 637190688Sweongyo 638190688Sweongyostatic void 639190688Sweongyoural_setup_tx_list(struct ural_softc *sc) 640190688Sweongyo{ 641190688Sweongyo struct ural_tx_data *data; 642190688Sweongyo int i; 643190688Sweongyo 644190688Sweongyo sc->tx_nfree = 0; 645190688Sweongyo STAILQ_INIT(&sc->tx_q); 646190688Sweongyo STAILQ_INIT(&sc->tx_free); 647190688Sweongyo 648190688Sweongyo for (i = 0; i < RAL_TX_LIST_COUNT; i++) { 649190688Sweongyo data = &sc->tx_data[i]; 650190688Sweongyo 651190688Sweongyo data->sc = sc; 652190688Sweongyo STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 653190688Sweongyo sc->tx_nfree++; 654190688Sweongyo } 655190688Sweongyo} 656190688Sweongyo 657190688Sweongyostatic void 658190688Sweongyoural_unsetup_tx_list(struct ural_softc *sc) 659190688Sweongyo{ 660190688Sweongyo struct ural_tx_data *data; 661190688Sweongyo int i; 662190688Sweongyo 663190688Sweongyo /* make sure any subsequent use of the queues will fail */ 664190688Sweongyo sc->tx_nfree = 0; 665190688Sweongyo STAILQ_INIT(&sc->tx_q); 666190688Sweongyo STAILQ_INIT(&sc->tx_free); 667190688Sweongyo 668190688Sweongyo /* free up all node references and mbufs */ 669190688Sweongyo for (i = 0; i < RAL_TX_LIST_COUNT; i++) { 670190688Sweongyo data = &sc->tx_data[i]; 671190688Sweongyo 672190688Sweongyo if (data->m != NULL) { 673190688Sweongyo m_freem(data->m); 674190688Sweongyo data->m = NULL; 675190688Sweongyo } 676190688Sweongyo if (data->ni != NULL) { 677190688Sweongyo ieee80211_free_node(data->ni); 678190688Sweongyo data->ni = NULL; 679190688Sweongyo } 680190688Sweongyo } 681190688Sweongyo} 682190688Sweongyo 683190688Sweongyostatic int 684190688Sweongyoural_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 685190688Sweongyo{ 686190688Sweongyo struct ural_vap *uvp = URAL_VAP(vap); 687190688Sweongyo struct ieee80211com *ic = vap->iv_ic; 688190688Sweongyo struct ural_softc *sc = ic->ic_ifp->if_softc; 689190688Sweongyo const struct ieee80211_txparam *tp; 690190688Sweongyo struct ieee80211_node *ni; 691190688Sweongyo struct mbuf *m; 692190688Sweongyo 693190688Sweongyo DPRINTF("%s -> %s\n", 694190688Sweongyo ieee80211_state_name[vap->iv_state], 695190688Sweongyo ieee80211_state_name[nstate]); 696190688Sweongyo 697190688Sweongyo IEEE80211_UNLOCK(ic); 698190688Sweongyo RAL_LOCK(sc); 699190688Sweongyo usb_callout_stop(&uvp->ratectl_ch); 700190688Sweongyo 701190688Sweongyo switch (nstate) { 702190688Sweongyo case IEEE80211_S_INIT: 703190688Sweongyo if (vap->iv_state == IEEE80211_S_RUN) { 704190688Sweongyo /* abort TSF synchronization */ 705190688Sweongyo ural_write(sc, RAL_TXRX_CSR19, 0); 706190688Sweongyo 707190688Sweongyo /* force tx led to stop blinking */ 708190688Sweongyo ural_write(sc, RAL_MAC_CSR20, 0); 709190688Sweongyo } 710190688Sweongyo break; 711190688Sweongyo 712190688Sweongyo case IEEE80211_S_RUN: 713190688Sweongyo ni = ieee80211_ref_node(vap->iv_bss); 714190688Sweongyo 715190688Sweongyo if (vap->iv_opmode != IEEE80211_M_MONITOR) { 716190688Sweongyo ural_update_slot(ic->ic_ifp); 717190688Sweongyo ural_set_txpreamble(sc); 718190688Sweongyo ural_set_basicrates(sc, ic->ic_bsschan); 719190688Sweongyo IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid); 720190688Sweongyo ural_set_bssid(sc, sc->sc_bssid); 721190688Sweongyo } 722190688Sweongyo 723190688Sweongyo if (vap->iv_opmode == IEEE80211_M_HOSTAP || 724190688Sweongyo vap->iv_opmode == IEEE80211_M_IBSS) { 725190688Sweongyo m = ieee80211_beacon_alloc(ni, &uvp->bo); 726190688Sweongyo if (m == NULL) { 727190688Sweongyo device_printf(sc->sc_dev, 728190688Sweongyo "could not allocate beacon\n"); 729190688Sweongyo RAL_UNLOCK(sc); 730190688Sweongyo IEEE80211_LOCK(ic); 731190688Sweongyo ieee80211_free_node(ni); 732190688Sweongyo return (-1); 733190688Sweongyo } 734190688Sweongyo ieee80211_ref_node(ni); 735190688Sweongyo if (ural_tx_bcn(sc, m, ni) != 0) { 736190688Sweongyo device_printf(sc->sc_dev, 737194228Sthompsa "could not send beacon\n"); 738190688Sweongyo RAL_UNLOCK(sc); 739190688Sweongyo IEEE80211_LOCK(ic); 740194228Sthompsa ieee80211_free_node(ni); 741190688Sweongyo return (-1); 742190688Sweongyo } 743190688Sweongyo } 744190688Sweongyo 745190688Sweongyo /* make tx led blink on tx (controlled by ASIC) */ 746190688Sweongyo ural_write(sc, RAL_MAC_CSR20, 1); 747190688Sweongyo 748190688Sweongyo if (vap->iv_opmode != IEEE80211_M_MONITOR) 749190688Sweongyo ural_enable_tsf_sync(sc); 750190688Sweongyo else 751190688Sweongyo ural_enable_tsf(sc); 752190688Sweongyo 753190688Sweongyo /* enable automatic rate adaptation */ 754190688Sweongyo /* XXX should use ic_bsschan but not valid until after newstate call below */ 755190688Sweongyo tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 756190688Sweongyo if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) 757190688Sweongyo ural_ratectl_start(sc, ni); 758190688Sweongyo ieee80211_free_node(ni); 759190688Sweongyo break; 760190688Sweongyo 761190688Sweongyo default: 762190688Sweongyo break; 763190688Sweongyo } 764190688Sweongyo RAL_UNLOCK(sc); 765190688Sweongyo IEEE80211_LOCK(ic); 766190688Sweongyo return (uvp->newstate(vap, nstate, arg)); 767190688Sweongyo} 768190688Sweongyo 769190688Sweongyo 770190688Sweongyostatic void 771190688Sweongyoural_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 772190688Sweongyo{ 773190688Sweongyo struct ural_softc *sc = usbd_xfer_softc(xfer); 774190688Sweongyo struct ifnet *ifp = sc->sc_ifp; 775190688Sweongyo struct ieee80211vap *vap; 776190688Sweongyo struct ural_tx_data *data; 777190688Sweongyo struct mbuf *m; 778190688Sweongyo struct usb_page_cache *pc; 779190688Sweongyo int len; 780190688Sweongyo 781190688Sweongyo usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 782190688Sweongyo 783190688Sweongyo switch (USB_GET_STATE(xfer)) { 784190688Sweongyo case USB_ST_TRANSFERRED: 785190688Sweongyo DPRINTFN(11, "transfer complete, %d bytes\n", len); 786190688Sweongyo 787190688Sweongyo /* free resources */ 788190688Sweongyo data = usbd_xfer_get_priv(xfer); 789190688Sweongyo ural_tx_free(data, 0); 790190688Sweongyo usbd_xfer_set_priv(xfer, NULL); 791190688Sweongyo 792190688Sweongyo ifp->if_opackets++; 793190688Sweongyo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 794190688Sweongyo 795190688Sweongyo /* FALLTHROUGH */ 796190688Sweongyo case USB_ST_SETUP: 797190688Sweongyotr_setup: 798190688Sweongyo data = STAILQ_FIRST(&sc->tx_q); 799190688Sweongyo if (data) { 800190688Sweongyo STAILQ_REMOVE_HEAD(&sc->tx_q, next); 801190688Sweongyo m = data->m; 802190688Sweongyo 803190688Sweongyo if (m->m_pkthdr.len > (int)(RAL_FRAME_SIZE + RAL_TX_DESC_SIZE)) { 804190688Sweongyo DPRINTFN(0, "data overflow, %u bytes\n", 805190688Sweongyo m->m_pkthdr.len); 806190688Sweongyo m->m_pkthdr.len = (RAL_FRAME_SIZE + RAL_TX_DESC_SIZE); 807190688Sweongyo } 808190688Sweongyo pc = usbd_xfer_get_frame(xfer, 0); 809190688Sweongyo usbd_copy_in(pc, 0, &data->desc, RAL_TX_DESC_SIZE); 810190688Sweongyo usbd_m_copy_in(pc, RAL_TX_DESC_SIZE, m, 0, 811190688Sweongyo m->m_pkthdr.len); 812190688Sweongyo 813190688Sweongyo vap = data->ni->ni_vap; 814190688Sweongyo if (ieee80211_radiotap_active_vap(vap)) { 815190688Sweongyo struct ural_tx_radiotap_header *tap = &sc->sc_txtap; 816190688Sweongyo 817190688Sweongyo tap->wt_flags = 0; 818190688Sweongyo tap->wt_rate = data->rate; 819190688Sweongyo tap->wt_antenna = sc->tx_ant; 820190688Sweongyo 821190688Sweongyo ieee80211_radiotap_tx(vap, m); 822190688Sweongyo } 823190688Sweongyo 824190688Sweongyo /* xfer length needs to be a multiple of two! */ 825190688Sweongyo len = (RAL_TX_DESC_SIZE + m->m_pkthdr.len + 1) & ~1; 826190688Sweongyo if ((len % 64) == 0) 827190688Sweongyo len += 2; 828190688Sweongyo 829190688Sweongyo DPRINTFN(11, "sending frame len=%u xferlen=%u\n", 830190688Sweongyo m->m_pkthdr.len, len); 831190688Sweongyo 832190688Sweongyo usbd_xfer_set_frame_len(xfer, 0, len); 833190688Sweongyo usbd_xfer_set_priv(xfer, data); 834190688Sweongyo 835190688Sweongyo usbd_transfer_submit(xfer); 836190688Sweongyo } 837190688Sweongyo RAL_UNLOCK(sc); 838190688Sweongyo ural_start(ifp); 839190688Sweongyo RAL_LOCK(sc); 840190688Sweongyo break; 841190688Sweongyo 842190688Sweongyo default: /* Error */ 843190688Sweongyo DPRINTFN(11, "transfer error, %s\n", 844190688Sweongyo usbd_errstr(error)); 845190688Sweongyo 846190688Sweongyo ifp->if_oerrors++; 847190688Sweongyo data = usbd_xfer_get_priv(xfer); 848190688Sweongyo if (data != NULL) { 849190688Sweongyo ural_tx_free(data, error); 850190688Sweongyo usbd_xfer_set_priv(xfer, NULL); 851190688Sweongyo } 852190688Sweongyo 853190688Sweongyo if (error == USB_ERR_STALLED) { 854190688Sweongyo /* try to clear stall first */ 855190688Sweongyo usbd_xfer_set_stall(xfer); 856190688Sweongyo goto tr_setup; 857190688Sweongyo } 858190688Sweongyo if (error == USB_ERR_TIMEOUT) 859190688Sweongyo device_printf(sc->sc_dev, "device timeout\n"); 860190688Sweongyo break; 861190688Sweongyo } 862190688Sweongyo} 863190688Sweongyo 864190688Sweongyostatic void 865190688Sweongyoural_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 866190688Sweongyo{ 867190688Sweongyo struct ural_softc *sc = usbd_xfer_softc(xfer); 868190688Sweongyo struct ifnet *ifp = sc->sc_ifp; 869190688Sweongyo struct ieee80211com *ic = ifp->if_l2com; 870190688Sweongyo struct ieee80211_node *ni; 871190688Sweongyo struct mbuf *m = NULL; 872190688Sweongyo struct usb_page_cache *pc; 873190688Sweongyo uint32_t flags; 874190688Sweongyo int8_t rssi = 0, nf = 0; 875190688Sweongyo int len; 876190688Sweongyo 877190688Sweongyo usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 878190688Sweongyo 879190688Sweongyo switch (USB_GET_STATE(xfer)) { 880190688Sweongyo case USB_ST_TRANSFERRED: 881190688Sweongyo 882190688Sweongyo DPRINTFN(15, "rx done, actlen=%d\n", len); 883190688Sweongyo 884190688Sweongyo if (len < (int)(RAL_RX_DESC_SIZE + IEEE80211_MIN_LEN)) { 885190688Sweongyo DPRINTF("%s: xfer too short %d\n", 886190688Sweongyo device_get_nameunit(sc->sc_dev), len); 887190688Sweongyo ifp->if_ierrors++; 888190688Sweongyo goto tr_setup; 889190688Sweongyo } 890190688Sweongyo 891190688Sweongyo len -= RAL_RX_DESC_SIZE; 892190688Sweongyo /* rx descriptor is located at the end */ 893190688Sweongyo pc = usbd_xfer_get_frame(xfer, 0); 894190688Sweongyo usbd_copy_out(pc, len, &sc->sc_rx_desc, RAL_RX_DESC_SIZE); 895190688Sweongyo 896190688Sweongyo rssi = URAL_RSSI(sc->sc_rx_desc.rssi); 897190688Sweongyo nf = RAL_NOISE_FLOOR; 898190688Sweongyo flags = le32toh(sc->sc_rx_desc.flags); 899190688Sweongyo if (flags & (RAL_RX_PHY_ERROR | RAL_RX_CRC_ERROR)) { 900190688Sweongyo /* 901190688Sweongyo * This should not happen since we did not 902190688Sweongyo * request to receive those frames when we 903190688Sweongyo * filled RAL_TXRX_CSR2: 904190688Sweongyo */ 905190688Sweongyo DPRINTFN(5, "PHY or CRC error\n"); 906190688Sweongyo ifp->if_ierrors++; 907190688Sweongyo goto tr_setup; 908190688Sweongyo } 909190688Sweongyo 910190688Sweongyo m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 911190688Sweongyo if (m == NULL) { 912190688Sweongyo DPRINTF("could not allocate mbuf\n"); 913190688Sweongyo ifp->if_ierrors++; 914190688Sweongyo goto tr_setup; 915190688Sweongyo } 916190688Sweongyo usbd_copy_out(pc, 0, mtod(m, uint8_t *), len); 917190688Sweongyo 918190688Sweongyo /* finalize mbuf */ 919190688Sweongyo m->m_pkthdr.rcvif = ifp; 920190688Sweongyo m->m_pkthdr.len = m->m_len = (flags >> 16) & 0xfff; 921190688Sweongyo 922190688Sweongyo if (ieee80211_radiotap_active(ic)) { 923190688Sweongyo struct ural_rx_radiotap_header *tap = &sc->sc_rxtap; 924190688Sweongyo 925190688Sweongyo /* XXX set once */ 926190688Sweongyo tap->wr_flags = 0; 927190688Sweongyo tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate, 928190688Sweongyo (flags & RAL_RX_OFDM) ? 929190688Sweongyo IEEE80211_T_OFDM : IEEE80211_T_CCK); 930190688Sweongyo tap->wr_antenna = sc->rx_ant; 931190688Sweongyo tap->wr_antsignal = nf + rssi; 932190688Sweongyo tap->wr_antnoise = nf; 933190688Sweongyo } 934190688Sweongyo /* Strip trailing 802.11 MAC FCS. */ 935190688Sweongyo m_adj(m, -IEEE80211_CRC_LEN); 936190688Sweongyo 937190688Sweongyo /* FALLTHROUGH */ 938190688Sweongyo case USB_ST_SETUP: 939190688Sweongyotr_setup: 940190688Sweongyo usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 941190688Sweongyo usbd_transfer_submit(xfer); 942190688Sweongyo 943190688Sweongyo /* 944190688Sweongyo * At the end of a USB callback it is always safe to unlock 945190688Sweongyo * the private mutex of a device! That is why we do the 946190688Sweongyo * "ieee80211_input" here, and not some lines up! 947190688Sweongyo */ 948190688Sweongyo RAL_UNLOCK(sc); 949190688Sweongyo if (m) { 950190688Sweongyo ni = ieee80211_find_rxnode(ic, 951190688Sweongyo mtod(m, struct ieee80211_frame_min *)); 952190688Sweongyo if (ni != NULL) { 953190688Sweongyo (void) ieee80211_input(ni, m, rssi, nf); 954190688Sweongyo ieee80211_free_node(ni); 955190688Sweongyo } else 956190688Sweongyo (void) ieee80211_input_all(ic, m, rssi, nf); 957190688Sweongyo } 958190688Sweongyo if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 && 959190688Sweongyo !IFQ_IS_EMPTY(&ifp->if_snd)) 960190688Sweongyo ural_start(ifp); 961190688Sweongyo RAL_LOCK(sc); 962190688Sweongyo return; 963190688Sweongyo 964190688Sweongyo default: /* Error */ 965190688Sweongyo if (error != USB_ERR_CANCELLED) { 966190688Sweongyo /* try to clear stall first */ 967190688Sweongyo usbd_xfer_set_stall(xfer); 968190688Sweongyo goto tr_setup; 969190688Sweongyo } 970190688Sweongyo return; 971190688Sweongyo } 972190688Sweongyo} 973190688Sweongyo 974190688Sweongyostatic uint8_t 975190688Sweongyoural_plcp_signal(int rate) 976190688Sweongyo{ 977190688Sweongyo switch (rate) { 978190688Sweongyo /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 979190688Sweongyo case 12: return 0xb; 980190688Sweongyo case 18: return 0xf; 981190688Sweongyo case 24: return 0xa; 982190688Sweongyo case 36: return 0xe; 983190688Sweongyo case 48: return 0x9; 984190688Sweongyo case 72: return 0xd; 985190688Sweongyo case 96: return 0x8; 986190688Sweongyo case 108: return 0xc; 987190688Sweongyo 988190688Sweongyo /* CCK rates (NB: not IEEE std, device-specific) */ 989190688Sweongyo case 2: return 0x0; 990190688Sweongyo case 4: return 0x1; 991190688Sweongyo case 11: return 0x2; 992190688Sweongyo case 22: return 0x3; 993190688Sweongyo } 994190688Sweongyo return 0xff; /* XXX unsupported/unknown rate */ 995190688Sweongyo} 996190688Sweongyo 997190688Sweongyostatic void 998190688Sweongyoural_setup_tx_desc(struct ural_softc *sc, struct ural_tx_desc *desc, 999190688Sweongyo uint32_t flags, int len, int rate) 1000190688Sweongyo{ 1001190688Sweongyo struct ifnet *ifp = sc->sc_ifp; 1002190688Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1003190688Sweongyo uint16_t plcp_length; 1004190688Sweongyo int remainder; 1005190688Sweongyo 1006190688Sweongyo desc->flags = htole32(flags); 1007190688Sweongyo desc->flags |= htole32(RAL_TX_NEWSEQ); 1008190688Sweongyo desc->flags |= htole32(len << 16); 1009190688Sweongyo 1010190688Sweongyo desc->wme = htole16(RAL_AIFSN(2) | RAL_LOGCWMIN(3) | RAL_LOGCWMAX(5)); 1011190688Sweongyo desc->wme |= htole16(RAL_IVOFFSET(sizeof (struct ieee80211_frame))); 1012190688Sweongyo 1013190688Sweongyo /* setup PLCP fields */ 1014190688Sweongyo desc->plcp_signal = ural_plcp_signal(rate); 1015190688Sweongyo desc->plcp_service = 4; 1016190688Sweongyo 1017190688Sweongyo len += IEEE80211_CRC_LEN; 1018190688Sweongyo if (ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) { 1019190688Sweongyo desc->flags |= htole32(RAL_TX_OFDM); 1020190688Sweongyo 1021190688Sweongyo plcp_length = len & 0xfff; 1022190688Sweongyo desc->plcp_length_hi = plcp_length >> 6; 1023190688Sweongyo desc->plcp_length_lo = plcp_length & 0x3f; 1024190688Sweongyo } else { 1025190688Sweongyo plcp_length = (16 * len + rate - 1) / rate; 1026190688Sweongyo if (rate == 22) { 1027190688Sweongyo remainder = (16 * len) % 22; 1028190688Sweongyo if (remainder != 0 && remainder < 7) 1029190688Sweongyo desc->plcp_service |= RAL_PLCP_LENGEXT; 1030190688Sweongyo } 1031190688Sweongyo desc->plcp_length_hi = plcp_length >> 8; 1032190688Sweongyo desc->plcp_length_lo = plcp_length & 0xff; 1033190688Sweongyo 1034190688Sweongyo if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 1035190688Sweongyo desc->plcp_signal |= 0x08; 1036190688Sweongyo } 1037190688Sweongyo 1038190688Sweongyo desc->iv = 0; 1039190688Sweongyo desc->eiv = 0; 1040190688Sweongyo} 1041190688Sweongyo 1042190688Sweongyo#define RAL_TX_TIMEOUT 5000 1043190688Sweongyo 1044190688Sweongyostatic int 1045190688Sweongyoural_tx_bcn(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 1046190688Sweongyo{ 1047190688Sweongyo struct ieee80211vap *vap = ni->ni_vap; 1048190688Sweongyo struct ieee80211com *ic = ni->ni_ic; 1049190688Sweongyo struct ifnet *ifp = sc->sc_ifp; 1050190688Sweongyo const struct ieee80211_txparam *tp; 1051190688Sweongyo struct ural_tx_data *data; 1052190688Sweongyo 1053190688Sweongyo if (sc->tx_nfree == 0) { 1054190688Sweongyo ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1055190688Sweongyo m_freem(m0); 1056190688Sweongyo ieee80211_free_node(ni); 1057190688Sweongyo return EIO; 1058190688Sweongyo } 1059190688Sweongyo data = STAILQ_FIRST(&sc->tx_free); 1060190688Sweongyo STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1061190688Sweongyo sc->tx_nfree--; 1062190688Sweongyo tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)]; 1063190688Sweongyo 1064190688Sweongyo data->m = m0; 1065190688Sweongyo data->ni = ni; 1066190688Sweongyo data->rate = tp->mgmtrate; 1067190688Sweongyo 1068190688Sweongyo ural_setup_tx_desc(sc, &data->desc, 1069190688Sweongyo RAL_TX_IFS_NEWBACKOFF | RAL_TX_TIMESTAMP, m0->m_pkthdr.len, 1070190688Sweongyo tp->mgmtrate); 1071190688Sweongyo 1072190688Sweongyo DPRINTFN(10, "sending beacon frame len=%u rate=%u\n", 1073190688Sweongyo m0->m_pkthdr.len, tp->mgmtrate); 1074190688Sweongyo 1075190688Sweongyo STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1076190688Sweongyo usbd_transfer_start(sc->sc_xfer[URAL_BULK_WR]); 1077190688Sweongyo 1078190688Sweongyo return (0); 1079190688Sweongyo} 1080190688Sweongyo 1081190688Sweongyostatic int 1082190688Sweongyoural_tx_mgt(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 1083190688Sweongyo{ 1084190688Sweongyo struct ieee80211vap *vap = ni->ni_vap; 1085190688Sweongyo struct ieee80211com *ic = ni->ni_ic; 1086190688Sweongyo const struct ieee80211_txparam *tp; 1087190688Sweongyo struct ural_tx_data *data; 1088190688Sweongyo struct ieee80211_frame *wh; 1089190688Sweongyo struct ieee80211_key *k; 1090190688Sweongyo uint32_t flags; 1091190688Sweongyo uint16_t dur; 1092190688Sweongyo 1093190688Sweongyo RAL_LOCK_ASSERT(sc, MA_OWNED); 1094190688Sweongyo 1095190688Sweongyo data = STAILQ_FIRST(&sc->tx_free); 1096190688Sweongyo STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1097190688Sweongyo sc->tx_nfree--; 1098190688Sweongyo 1099190688Sweongyo tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 1100190688Sweongyo 1101190688Sweongyo wh = mtod(m0, struct ieee80211_frame *); 1102190688Sweongyo if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1103190688Sweongyo k = ieee80211_crypto_encap(ni, m0); 1104190688Sweongyo if (k == NULL) { 1105190688Sweongyo m_freem(m0); 1106190688Sweongyo return ENOBUFS; 1107190688Sweongyo } 1108190688Sweongyo wh = mtod(m0, struct ieee80211_frame *); 1109190688Sweongyo } 1110190688Sweongyo 1111190688Sweongyo data->m = m0; 1112190688Sweongyo data->ni = ni; 1113190688Sweongyo data->rate = tp->mgmtrate; 1114190688Sweongyo 1115190688Sweongyo flags = 0; 1116190688Sweongyo if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 1117190688Sweongyo flags |= RAL_TX_ACK; 1118190688Sweongyo 1119190688Sweongyo dur = ieee80211_ack_duration(ic->ic_rt, tp->mgmtrate, 1120190688Sweongyo ic->ic_flags & IEEE80211_F_SHPREAMBLE); 1121190688Sweongyo *(uint16_t *)wh->i_dur = htole16(dur); 1122190688Sweongyo 1123190688Sweongyo /* tell hardware to add timestamp for probe responses */ 1124190688Sweongyo if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == 1125190688Sweongyo IEEE80211_FC0_TYPE_MGT && 1126190688Sweongyo (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == 1127190688Sweongyo IEEE80211_FC0_SUBTYPE_PROBE_RESP) 1128190688Sweongyo flags |= RAL_TX_TIMESTAMP; 1129190688Sweongyo } 1130190688Sweongyo 1131190688Sweongyo ural_setup_tx_desc(sc, &data->desc, flags, m0->m_pkthdr.len, tp->mgmtrate); 1132190688Sweongyo 1133190688Sweongyo DPRINTFN(10, "sending mgt frame len=%u rate=%u\n", 1134190688Sweongyo m0->m_pkthdr.len, tp->mgmtrate); 1135190688Sweongyo 1136190688Sweongyo STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1137190688Sweongyo usbd_transfer_start(sc->sc_xfer[URAL_BULK_WR]); 1138190688Sweongyo 1139190688Sweongyo return 0; 1140190688Sweongyo} 1141190688Sweongyo 1142190688Sweongyostatic int 1143190688Sweongyoural_sendprot(struct ural_softc *sc, 1144190688Sweongyo const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate) 1145190688Sweongyo{ 1146190688Sweongyo struct ieee80211com *ic = ni->ni_ic; 1147190688Sweongyo const struct ieee80211_frame *wh; 1148190688Sweongyo struct ural_tx_data *data; 1149190688Sweongyo struct mbuf *mprot; 1150190688Sweongyo int protrate, ackrate, pktlen, flags, isshort; 1151190688Sweongyo uint16_t dur; 1152190688Sweongyo 1153190688Sweongyo KASSERT(prot == IEEE80211_PROT_RTSCTS || prot == IEEE80211_PROT_CTSONLY, 1154190688Sweongyo ("protection %d", prot)); 1155190688Sweongyo 1156190688Sweongyo wh = mtod(m, const struct ieee80211_frame *); 1157190688Sweongyo pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN; 1158190688Sweongyo 1159190688Sweongyo protrate = ieee80211_ctl_rate(ic->ic_rt, rate); 1160190688Sweongyo ackrate = ieee80211_ack_rate(ic->ic_rt, rate); 1161190688Sweongyo 1162190688Sweongyo isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0; 1163190688Sweongyo dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort) 1164190688Sweongyo + ieee80211_ack_duration(ic->ic_rt, rate, isshort); 1165190688Sweongyo flags = RAL_TX_RETRY(7); 1166190688Sweongyo if (prot == IEEE80211_PROT_RTSCTS) { 1167190688Sweongyo /* NB: CTS is the same size as an ACK */ 1168190688Sweongyo dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort); 1169190688Sweongyo flags |= RAL_TX_ACK; 1170194228Sthompsa mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur); 1171190688Sweongyo } else { 1172190688Sweongyo mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur); 1173190688Sweongyo } 1174190688Sweongyo if (mprot == NULL) { 1175190688Sweongyo /* XXX stat + msg */ 1176190688Sweongyo return ENOBUFS; 1177190688Sweongyo } 1178190688Sweongyo data = STAILQ_FIRST(&sc->tx_free); 1179190688Sweongyo STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1180190688Sweongyo sc->tx_nfree--; 1181190688Sweongyo 1182190688Sweongyo data->m = mprot; 1183190688Sweongyo data->ni = ieee80211_ref_node(ni); 1184190688Sweongyo data->rate = protrate; 1185190688Sweongyo ural_setup_tx_desc(sc, &data->desc, flags, mprot->m_pkthdr.len, protrate); 1186190688Sweongyo 1187190688Sweongyo STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1188190688Sweongyo usbd_transfer_start(sc->sc_xfer[URAL_BULK_WR]); 1189190688Sweongyo 1190190688Sweongyo return 0; 1191190688Sweongyo} 1192190688Sweongyo 1193190688Sweongyostatic int 1194190688Sweongyoural_tx_raw(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni, 1195190688Sweongyo const struct ieee80211_bpf_params *params) 1196190688Sweongyo{ 1197190688Sweongyo struct ieee80211com *ic = ni->ni_ic; 1198190688Sweongyo struct ural_tx_data *data; 1199190688Sweongyo uint32_t flags; 1200190688Sweongyo int error; 1201190688Sweongyo int rate; 1202190688Sweongyo 1203190688Sweongyo RAL_LOCK_ASSERT(sc, MA_OWNED); 1204190688Sweongyo KASSERT(params != NULL, ("no raw xmit params")); 1205190688Sweongyo 1206190688Sweongyo rate = params->ibp_rate0; 1207190688Sweongyo if (!ieee80211_isratevalid(ic->ic_rt, rate)) { 1208190688Sweongyo m_freem(m0); 1209190688Sweongyo return EINVAL; 1210190688Sweongyo } 1211190688Sweongyo flags = 0; 1212190688Sweongyo if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 1213190688Sweongyo flags |= RAL_TX_ACK; 1214190688Sweongyo if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) { 1215190688Sweongyo error = ural_sendprot(sc, m0, ni, 1216190688Sweongyo params->ibp_flags & IEEE80211_BPF_RTS ? 1217190688Sweongyo IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY, 1218190688Sweongyo rate); 1219190688Sweongyo if (error || sc->tx_nfree == 0) { 1220190688Sweongyo m_freem(m0); 1221190688Sweongyo return ENOBUFS; 1222190688Sweongyo } 1223190688Sweongyo flags |= RAL_TX_IFS_SIFS; 1224190688Sweongyo } 1225190688Sweongyo 1226190688Sweongyo data = STAILQ_FIRST(&sc->tx_free); 1227190688Sweongyo STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1228190688Sweongyo sc->tx_nfree--; 1229190688Sweongyo 1230190688Sweongyo data->m = m0; 1231190688Sweongyo data->ni = ni; 1232190688Sweongyo data->rate = rate; 1233190688Sweongyo 1234190688Sweongyo /* XXX need to setup descriptor ourself */ 1235190688Sweongyo ural_setup_tx_desc(sc, &data->desc, flags, m0->m_pkthdr.len, rate); 1236190688Sweongyo 1237190688Sweongyo DPRINTFN(10, "sending raw frame len=%u rate=%u\n", 1238190688Sweongyo m0->m_pkthdr.len, rate); 1239190688Sweongyo 1240190688Sweongyo STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1241190688Sweongyo usbd_transfer_start(sc->sc_xfer[URAL_BULK_WR]); 1242190688Sweongyo 1243190688Sweongyo return 0; 1244190688Sweongyo} 1245190688Sweongyo 1246190688Sweongyostatic int 1247190688Sweongyoural_tx_data(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 1248190688Sweongyo{ 1249190688Sweongyo struct ieee80211vap *vap = ni->ni_vap; 1250190688Sweongyo struct ieee80211com *ic = ni->ni_ic; 1251190688Sweongyo struct ural_tx_data *data; 1252190688Sweongyo struct ieee80211_frame *wh; 1253190688Sweongyo const struct ieee80211_txparam *tp; 1254190688Sweongyo struct ieee80211_key *k; 1255190688Sweongyo uint32_t flags = 0; 1256190688Sweongyo uint16_t dur; 1257190688Sweongyo int error, rate; 1258190688Sweongyo 1259190688Sweongyo RAL_LOCK_ASSERT(sc, MA_OWNED); 1260190688Sweongyo 1261190688Sweongyo wh = mtod(m0, struct ieee80211_frame *); 1262190688Sweongyo 1263190688Sweongyo tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; 1264190688Sweongyo if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 1265190688Sweongyo rate = tp->mcastrate; 1266190688Sweongyo else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 1267190688Sweongyo rate = tp->ucastrate; 1268190688Sweongyo else 1269190688Sweongyo rate = ni->ni_txrate; 1270190688Sweongyo 1271190688Sweongyo if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1272190688Sweongyo k = ieee80211_crypto_encap(ni, m0); 1273190688Sweongyo if (k == NULL) { 1274190688Sweongyo m_freem(m0); 1275190688Sweongyo return ENOBUFS; 1276190688Sweongyo } 1277190688Sweongyo /* packet header may have moved, reset our local pointer */ 1278190688Sweongyo wh = mtod(m0, struct ieee80211_frame *); 1279190688Sweongyo } 1280190688Sweongyo 1281190688Sweongyo if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 1282190688Sweongyo int prot = IEEE80211_PROT_NONE; 1283190688Sweongyo if (m0->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) 1284190688Sweongyo prot = IEEE80211_PROT_RTSCTS; 1285190688Sweongyo else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 1286190688Sweongyo ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) 1287190688Sweongyo prot = ic->ic_protmode; 1288190688Sweongyo if (prot != IEEE80211_PROT_NONE) { 1289190688Sweongyo error = ural_sendprot(sc, m0, ni, prot, rate); 1290190688Sweongyo if (error || sc->tx_nfree == 0) { 1291190688Sweongyo m_freem(m0); 1292190688Sweongyo return ENOBUFS; 1293190688Sweongyo } 1294190688Sweongyo flags |= RAL_TX_IFS_SIFS; 1295190688Sweongyo } 1296190688Sweongyo } 1297190688Sweongyo 1298190688Sweongyo data = STAILQ_FIRST(&sc->tx_free); 1299190688Sweongyo STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1300190688Sweongyo sc->tx_nfree--; 1301190688Sweongyo 1302190688Sweongyo data->m = m0; 1303190688Sweongyo data->ni = ni; 1304190688Sweongyo data->rate = rate; 1305190688Sweongyo 1306190688Sweongyo if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 1307190688Sweongyo flags |= RAL_TX_ACK; 1308190688Sweongyo flags |= RAL_TX_RETRY(7); 1309190688Sweongyo 1310190688Sweongyo dur = ieee80211_ack_duration(ic->ic_rt, rate, 1311190688Sweongyo ic->ic_flags & IEEE80211_F_SHPREAMBLE); 1312190688Sweongyo *(uint16_t *)wh->i_dur = htole16(dur); 1313190688Sweongyo } 1314190688Sweongyo 1315190688Sweongyo ural_setup_tx_desc(sc, &data->desc, flags, m0->m_pkthdr.len, rate); 1316190688Sweongyo 1317190688Sweongyo DPRINTFN(10, "sending data frame len=%u rate=%u\n", 1318190688Sweongyo m0->m_pkthdr.len, rate); 1319190688Sweongyo 1320190688Sweongyo STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1321190688Sweongyo usbd_transfer_start(sc->sc_xfer[URAL_BULK_WR]); 1322190688Sweongyo 1323190688Sweongyo return 0; 1324190688Sweongyo} 1325190688Sweongyo 1326190688Sweongyostatic void 1327190688Sweongyoural_start(struct ifnet *ifp) 1328190688Sweongyo{ 1329190688Sweongyo struct ural_softc *sc = ifp->if_softc; 1330190688Sweongyo struct ieee80211_node *ni; 1331190688Sweongyo struct mbuf *m; 1332190688Sweongyo 1333190688Sweongyo RAL_LOCK(sc); 1334190688Sweongyo if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 1335190688Sweongyo RAL_UNLOCK(sc); 1336190688Sweongyo return; 1337190688Sweongyo } 1338190688Sweongyo for (;;) { 1339190688Sweongyo IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 1340190688Sweongyo if (m == NULL) 1341190688Sweongyo break; 1342190688Sweongyo if (sc->tx_nfree < RAL_TX_MINFREE) { 1343190688Sweongyo IFQ_DRV_PREPEND(&ifp->if_snd, m); 1344190688Sweongyo ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1345190688Sweongyo break; 1346190688Sweongyo } 1347190688Sweongyo ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; 1348190688Sweongyo if (ural_tx_data(sc, m, ni) != 0) { 1349190688Sweongyo ieee80211_free_node(ni); 1350190688Sweongyo ifp->if_oerrors++; 1351190688Sweongyo break; 1352190688Sweongyo } 1353190688Sweongyo } 1354190688Sweongyo RAL_UNLOCK(sc); 1355190688Sweongyo} 1356190688Sweongyo 1357194228Sthompsastatic int 1358190688Sweongyoural_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1359190688Sweongyo{ 1360190688Sweongyo struct ural_softc *sc = ifp->if_softc; 1361190688Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1362190688Sweongyo struct ifreq *ifr = (struct ifreq *) data; 1363190688Sweongyo int error = 0, startall = 0; 1364190688Sweongyo 1365190688Sweongyo switch (cmd) { 1366190688Sweongyo case SIOCSIFFLAGS: 1367190688Sweongyo RAL_LOCK(sc); 1368190688Sweongyo if (ifp->if_flags & IFF_UP) { 1369190688Sweongyo if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 1370190688Sweongyo ural_init_locked(sc); 1371190688Sweongyo startall = 1; 1372190688Sweongyo } else 1373190688Sweongyo ural_setpromisc(sc); 1374190688Sweongyo } else { 1375190688Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1376190688Sweongyo ural_stop(sc); 1377190688Sweongyo } 1378190688Sweongyo RAL_UNLOCK(sc); 1379190688Sweongyo if (startall) 1380190688Sweongyo ieee80211_start_all(ic); 1381190688Sweongyo break; 1382190688Sweongyo case SIOCGIFMEDIA: 1383190688Sweongyo case SIOCSIFMEDIA: 1384190688Sweongyo error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 1385190688Sweongyo break; 1386190688Sweongyo default: 1387190688Sweongyo error = ether_ioctl(ifp, cmd, data); 1388190688Sweongyo break; 1389190688Sweongyo } 1390190688Sweongyo return error; 1391190688Sweongyo} 1392190688Sweongyo 1393190688Sweongyostatic void 1394190688Sweongyoural_set_testmode(struct ural_softc *sc) 1395190688Sweongyo{ 1396190688Sweongyo struct usb_device_request req; 1397190688Sweongyo usb_error_t error; 1398190688Sweongyo 1399190688Sweongyo req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1400190688Sweongyo req.bRequest = RAL_VENDOR_REQUEST; 1401190688Sweongyo USETW(req.wValue, 4); 1402190688Sweongyo USETW(req.wIndex, 1); 1403190688Sweongyo USETW(req.wLength, 0); 1404190688Sweongyo 1405190688Sweongyo error = ural_do_request(sc, &req, NULL); 1406190688Sweongyo if (error != 0) { 1407190688Sweongyo device_printf(sc->sc_dev, "could not set test mode: %s\n", 1408190688Sweongyo usbd_errstr(error)); 1409190688Sweongyo } 1410190688Sweongyo} 1411190688Sweongyo 1412190688Sweongyostatic void 1413190688Sweongyoural_eeprom_read(struct ural_softc *sc, uint16_t addr, void *buf, int len) 1414190688Sweongyo{ 1415190688Sweongyo struct usb_device_request req; 1416190688Sweongyo usb_error_t error; 1417190688Sweongyo 1418190688Sweongyo req.bmRequestType = UT_READ_VENDOR_DEVICE; 1419190688Sweongyo req.bRequest = RAL_READ_EEPROM; 1420190688Sweongyo USETW(req.wValue, 0); 1421190688Sweongyo USETW(req.wIndex, addr); 1422190688Sweongyo USETW(req.wLength, len); 1423190688Sweongyo 1424190688Sweongyo error = ural_do_request(sc, &req, buf); 1425190688Sweongyo if (error != 0) { 1426190688Sweongyo device_printf(sc->sc_dev, "could not read EEPROM: %s\n", 1427194228Sthompsa usbd_errstr(error)); 1428190688Sweongyo } 1429190688Sweongyo} 1430190688Sweongyo 1431190688Sweongyostatic uint16_t 1432190688Sweongyoural_read(struct ural_softc *sc, uint16_t reg) 1433190688Sweongyo{ 1434190688Sweongyo struct usb_device_request req; 1435190688Sweongyo usb_error_t error; 1436190688Sweongyo uint16_t val; 1437190688Sweongyo 1438190688Sweongyo req.bmRequestType = UT_READ_VENDOR_DEVICE; 1439190688Sweongyo req.bRequest = RAL_READ_MAC; 1440190688Sweongyo USETW(req.wValue, 0); 1441190688Sweongyo USETW(req.wIndex, reg); 1442190688Sweongyo USETW(req.wLength, sizeof (uint16_t)); 1443190688Sweongyo 1444190688Sweongyo error = ural_do_request(sc, &req, &val); 1445190688Sweongyo if (error != 0) { 1446190688Sweongyo device_printf(sc->sc_dev, "could not read MAC register: %s\n", 1447190688Sweongyo usbd_errstr(error)); 1448190688Sweongyo return 0; 1449190688Sweongyo } 1450190688Sweongyo 1451190688Sweongyo return le16toh(val); 1452190688Sweongyo} 1453190688Sweongyo 1454190688Sweongyostatic void 1455190688Sweongyoural_read_multi(struct ural_softc *sc, uint16_t reg, void *buf, int len) 1456190688Sweongyo{ 1457190688Sweongyo struct usb_device_request req; 1458190688Sweongyo usb_error_t error; 1459190688Sweongyo 1460190688Sweongyo req.bmRequestType = UT_READ_VENDOR_DEVICE; 1461190688Sweongyo req.bRequest = RAL_READ_MULTI_MAC; 1462190688Sweongyo USETW(req.wValue, 0); 1463190688Sweongyo USETW(req.wIndex, reg); 1464190688Sweongyo USETW(req.wLength, len); 1465190688Sweongyo 1466190688Sweongyo error = ural_do_request(sc, &req, buf); 1467190688Sweongyo if (error != 0) { 1468190688Sweongyo device_printf(sc->sc_dev, "could not read MAC register: %s\n", 1469190688Sweongyo usbd_errstr(error)); 1470190688Sweongyo } 1471190688Sweongyo} 1472190688Sweongyo 1473190688Sweongyostatic void 1474190688Sweongyoural_write(struct ural_softc *sc, uint16_t reg, uint16_t val) 1475190688Sweongyo{ 1476190688Sweongyo struct usb_device_request req; 1477190688Sweongyo usb_error_t error; 1478190688Sweongyo 1479190688Sweongyo req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1480190688Sweongyo req.bRequest = RAL_WRITE_MAC; 1481190688Sweongyo USETW(req.wValue, val); 1482190688Sweongyo USETW(req.wIndex, reg); 1483190688Sweongyo USETW(req.wLength, 0); 1484190688Sweongyo 1485190688Sweongyo error = ural_do_request(sc, &req, NULL); 1486190688Sweongyo if (error != 0) { 1487190688Sweongyo device_printf(sc->sc_dev, "could not write MAC register: %s\n", 1488190688Sweongyo usbd_errstr(error)); 1489190688Sweongyo } 1490190688Sweongyo} 1491190688Sweongyo 1492192257Ssamstatic void 1493190688Sweongyoural_write_multi(struct ural_softc *sc, uint16_t reg, void *buf, int len) 1494192257Ssam{ 1495190688Sweongyo struct usb_device_request req; 1496190688Sweongyo usb_error_t error; 1497190688Sweongyo 1498190688Sweongyo req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1499190688Sweongyo req.bRequest = RAL_WRITE_MULTI_MAC; 1500190688Sweongyo USETW(req.wValue, 0); 1501190688Sweongyo USETW(req.wIndex, reg); 1502190688Sweongyo USETW(req.wLength, len); 1503190688Sweongyo 1504190688Sweongyo error = ural_do_request(sc, &req, buf); 1505190688Sweongyo if (error != 0) { 1506190688Sweongyo device_printf(sc->sc_dev, "could not write MAC register: %s\n", 1507190688Sweongyo usbd_errstr(error)); 1508190688Sweongyo } 1509190688Sweongyo} 1510190688Sweongyo 1511190688Sweongyostatic void 1512190688Sweongyoural_bbp_write(struct ural_softc *sc, uint8_t reg, uint8_t val) 1513190688Sweongyo{ 1514190688Sweongyo uint16_t tmp; 1515190688Sweongyo int ntries; 1516190688Sweongyo 1517190688Sweongyo for (ntries = 0; ntries < 100; ntries++) { 1518190688Sweongyo if (!(ural_read(sc, RAL_PHY_CSR8) & RAL_BBP_BUSY)) 1519190688Sweongyo break; 1520190688Sweongyo if (ural_pause(sc, hz / 100)) 1521190688Sweongyo break; 1522190688Sweongyo } 1523190688Sweongyo if (ntries == 100) { 1524190688Sweongyo device_printf(sc->sc_dev, "could not write to BBP\n"); 1525190688Sweongyo return; 1526190688Sweongyo } 1527190688Sweongyo 1528190688Sweongyo tmp = reg << 8 | val; 1529190688Sweongyo ural_write(sc, RAL_PHY_CSR7, tmp); 1530190688Sweongyo} 1531190688Sweongyo 1532190688Sweongyostatic uint8_t 1533190688Sweongyoural_bbp_read(struct ural_softc *sc, uint8_t reg) 1534190688Sweongyo{ 1535190688Sweongyo uint16_t val; 1536190688Sweongyo int ntries; 1537190688Sweongyo 1538190688Sweongyo val = RAL_BBP_WRITE | reg << 8; 1539190688Sweongyo ural_write(sc, RAL_PHY_CSR7, val); 1540190688Sweongyo 1541190688Sweongyo for (ntries = 0; ntries < 100; ntries++) { 1542190688Sweongyo if (!(ural_read(sc, RAL_PHY_CSR8) & RAL_BBP_BUSY)) 1543190688Sweongyo break; 1544190688Sweongyo if (ural_pause(sc, hz / 100)) 1545190688Sweongyo break; 1546190688Sweongyo } 1547190688Sweongyo if (ntries == 100) { 1548190688Sweongyo device_printf(sc->sc_dev, "could not read BBP\n"); 1549190688Sweongyo return 0; 1550190688Sweongyo } 1551190688Sweongyo 1552190688Sweongyo return ural_read(sc, RAL_PHY_CSR7) & 0xff; 1553190688Sweongyo} 1554190688Sweongyo 1555190688Sweongyostatic void 1556190688Sweongyoural_rf_write(struct ural_softc *sc, uint8_t reg, uint32_t val) 1557190688Sweongyo{ 1558190688Sweongyo uint32_t tmp; 1559190688Sweongyo int ntries; 1560190688Sweongyo 1561190688Sweongyo for (ntries = 0; ntries < 100; ntries++) { 1562190688Sweongyo if (!(ural_read(sc, RAL_PHY_CSR10) & RAL_RF_LOBUSY)) 1563190688Sweongyo break; 1564190688Sweongyo if (ural_pause(sc, hz / 100)) 1565190688Sweongyo break; 1566190688Sweongyo } 1567190688Sweongyo if (ntries == 100) { 1568190688Sweongyo device_printf(sc->sc_dev, "could not write to RF\n"); 1569190688Sweongyo return; 1570190688Sweongyo } 1571190688Sweongyo 1572190688Sweongyo tmp = RAL_RF_BUSY | RAL_RF_20BIT | (val & 0xfffff) << 2 | (reg & 0x3); 1573190688Sweongyo ural_write(sc, RAL_PHY_CSR9, tmp & 0xffff); 1574190688Sweongyo ural_write(sc, RAL_PHY_CSR10, tmp >> 16); 1575190688Sweongyo 1576190688Sweongyo /* remember last written value in sc */ 1577190688Sweongyo sc->rf_regs[reg] = val; 1578190688Sweongyo 1579190688Sweongyo DPRINTFN(15, "RF R[%u] <- 0x%05x\n", reg & 0x3, val & 0xfffff); 1580190688Sweongyo} 1581190688Sweongyo 1582190688Sweongyostatic void 1583190688Sweongyoural_scan_start(struct ieee80211com *ic) 1584190688Sweongyo{ 1585190688Sweongyo struct ifnet *ifp = ic->ic_ifp; 1586190688Sweongyo struct ural_softc *sc = ifp->if_softc; 1587190688Sweongyo 1588190688Sweongyo RAL_LOCK(sc); 1589190688Sweongyo ural_write(sc, RAL_TXRX_CSR19, 0); 1590190688Sweongyo ural_set_bssid(sc, ifp->if_broadcastaddr); 1591190688Sweongyo RAL_UNLOCK(sc); 1592190688Sweongyo} 1593190688Sweongyo 1594190688Sweongyostatic void 1595190688Sweongyoural_scan_end(struct ieee80211com *ic) 1596190688Sweongyo{ 1597190688Sweongyo struct ural_softc *sc = ic->ic_ifp->if_softc; 1598190688Sweongyo 1599190688Sweongyo RAL_LOCK(sc); 1600191746Sthompsa ural_enable_tsf_sync(sc); 1601190688Sweongyo ural_set_bssid(sc, sc->sc_bssid); 1602190688Sweongyo RAL_UNLOCK(sc); 1603190688Sweongyo 1604190688Sweongyo} 1605190688Sweongyo 1606190688Sweongyostatic void 1607190688Sweongyoural_set_channel(struct ieee80211com *ic) 1608190688Sweongyo{ 1609190688Sweongyo struct ural_softc *sc = ic->ic_ifp->if_softc; 1610190688Sweongyo 1611190688Sweongyo RAL_LOCK(sc); 1612190688Sweongyo ural_set_chan(sc, ic->ic_curchan); 1613190688Sweongyo RAL_UNLOCK(sc); 1614192468Ssam} 1615190688Sweongyo 1616190688Sweongyostatic void 1617190688Sweongyoural_set_chan(struct ural_softc *sc, struct ieee80211_channel *c) 1618190688Sweongyo{ 1619190688Sweongyo struct ifnet *ifp = sc->sc_ifp; 1620190688Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1621192468Ssam uint8_t power, tmp; 1622190688Sweongyo int i, chan; 1623190688Sweongyo 1624190688Sweongyo chan = ieee80211_chan2ieee(ic, c); 1625190688Sweongyo if (chan == 0 || chan == IEEE80211_CHAN_ANY) 1626190688Sweongyo return; 1627190688Sweongyo 1628190688Sweongyo if (IEEE80211_IS_CHAN_2GHZ(c)) 1629190688Sweongyo power = min(sc->txpow[chan - 1], 31); 1630190688Sweongyo else 1631190688Sweongyo power = 31; 1632190688Sweongyo 1633190688Sweongyo /* adjust txpower using ifconfig settings */ 1634190688Sweongyo power -= (100 - ic->ic_txpowlimit) / 8; 1635190688Sweongyo 1636190688Sweongyo DPRINTFN(2, "setting channel to %u, txpower to %u\n", chan, power); 1637190688Sweongyo 1638190688Sweongyo switch (sc->rf_rev) { 1639190688Sweongyo case RAL_RF_2522: 1640190688Sweongyo ural_rf_write(sc, RAL_RF1, 0x00814); 1641190688Sweongyo ural_rf_write(sc, RAL_RF2, ural_rf2522_r2[chan - 1]); 1642190688Sweongyo ural_rf_write(sc, RAL_RF3, power << 7 | 0x00040); 1643190688Sweongyo break; 1644190688Sweongyo 1645190688Sweongyo case RAL_RF_2523: 1646190688Sweongyo ural_rf_write(sc, RAL_RF1, 0x08804); 1647190688Sweongyo ural_rf_write(sc, RAL_RF2, ural_rf2523_r2[chan - 1]); 1648190688Sweongyo ural_rf_write(sc, RAL_RF3, power << 7 | 0x38044); 1649190688Sweongyo ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286); 1650190688Sweongyo break; 1651190688Sweongyo 1652190688Sweongyo case RAL_RF_2524: 1653190688Sweongyo ural_rf_write(sc, RAL_RF1, 0x0c808); 1654190688Sweongyo ural_rf_write(sc, RAL_RF2, ural_rf2524_r2[chan - 1]); 1655190688Sweongyo ural_rf_write(sc, RAL_RF3, power << 7 | 0x00040); 1656190688Sweongyo ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286); 1657190688Sweongyo break; 1658190688Sweongyo 1659190688Sweongyo case RAL_RF_2525: 1660190688Sweongyo ural_rf_write(sc, RAL_RF1, 0x08808); 1661190688Sweongyo ural_rf_write(sc, RAL_RF2, ural_rf2525_hi_r2[chan - 1]); 1662190688Sweongyo ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044); 1663190688Sweongyo ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286); 1664190688Sweongyo 1665190688Sweongyo ural_rf_write(sc, RAL_RF1, 0x08808); 1666190688Sweongyo ural_rf_write(sc, RAL_RF2, ural_rf2525_r2[chan - 1]); 1667190688Sweongyo ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044); 1668190688Sweongyo ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286); 1669190688Sweongyo break; 1670190688Sweongyo 1671190688Sweongyo case RAL_RF_2525E: 1672190688Sweongyo ural_rf_write(sc, RAL_RF1, 0x08808); 1673190688Sweongyo ural_rf_write(sc, RAL_RF2, ural_rf2525e_r2[chan - 1]); 1674191746Sthompsa ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044); 1675191746Sthompsa ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00286 : 0x00282); 1676191746Sthompsa break; 1677190688Sweongyo 1678190688Sweongyo case RAL_RF_2526: 1679190688Sweongyo ural_rf_write(sc, RAL_RF2, ural_rf2526_hi_r2[chan - 1]); 1680190688Sweongyo ural_rf_write(sc, RAL_RF4, (chan & 1) ? 0x00386 : 0x00381); 1681190688Sweongyo ural_rf_write(sc, RAL_RF1, 0x08804); 1682190688Sweongyo 1683190688Sweongyo ural_rf_write(sc, RAL_RF2, ural_rf2526_r2[chan - 1]); 1684190688Sweongyo ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044); 1685190688Sweongyo ural_rf_write(sc, RAL_RF4, (chan & 1) ? 0x00386 : 0x00381); 1686190688Sweongyo break; 1687190688Sweongyo 1688190688Sweongyo /* dual-band RF */ 1689190688Sweongyo case RAL_RF_5222: 1690190688Sweongyo for (i = 0; ural_rf5222[i].chan != chan; i++); 1691190688Sweongyo 1692190688Sweongyo ural_rf_write(sc, RAL_RF1, ural_rf5222[i].r1); 1693190688Sweongyo ural_rf_write(sc, RAL_RF2, ural_rf5222[i].r2); 1694194228Sthompsa ural_rf_write(sc, RAL_RF3, power << 7 | 0x00040); 1695190688Sweongyo ural_rf_write(sc, RAL_RF4, ural_rf5222[i].r4); 1696190688Sweongyo break; 1697190688Sweongyo } 1698190688Sweongyo 1699190688Sweongyo if (ic->ic_opmode != IEEE80211_M_MONITOR && 1700190688Sweongyo (ic->ic_flags & IEEE80211_F_SCAN) == 0) { 1701190688Sweongyo /* set Japan filter bit for channel 14 */ 1702190688Sweongyo tmp = ural_bbp_read(sc, 70); 1703190688Sweongyo 1704190688Sweongyo tmp &= ~RAL_JAPAN_FILTER; 1705190688Sweongyo if (chan == 14) 1706190688Sweongyo tmp |= RAL_JAPAN_FILTER; 1707190688Sweongyo 1708190688Sweongyo ural_bbp_write(sc, 70, tmp); 1709190688Sweongyo 1710190688Sweongyo /* clear CRC errors */ 1711190688Sweongyo ural_read(sc, RAL_STA_CSR0); 1712190688Sweongyo 1713190688Sweongyo ural_pause(sc, hz / 100); 1714190688Sweongyo ural_disable_rf_tune(sc); 1715190688Sweongyo } 1716190688Sweongyo 1717190688Sweongyo /* XXX doesn't belong here */ 1718190688Sweongyo /* update basic rate set */ 1719190688Sweongyo ural_set_basicrates(sc, c); 1720190688Sweongyo 1721190688Sweongyo /* give the hardware some time to do the switchover */ 1722190688Sweongyo ural_pause(sc, hz / 100); 1723190688Sweongyo} 1724190688Sweongyo 1725190688Sweongyo/* 1726190688Sweongyo * Disable RF auto-tuning. 1727190688Sweongyo */ 1728190688Sweongyostatic void 1729190688Sweongyoural_disable_rf_tune(struct ural_softc *sc) 1730190688Sweongyo{ 1731190688Sweongyo uint32_t tmp; 1732190688Sweongyo 1733190688Sweongyo if (sc->rf_rev != RAL_RF_2523) { 1734190688Sweongyo tmp = sc->rf_regs[RAL_RF1] & ~RAL_RF1_AUTOTUNE; 1735190688Sweongyo ural_rf_write(sc, RAL_RF1, tmp); 1736190688Sweongyo } 1737190688Sweongyo 1738190688Sweongyo tmp = sc->rf_regs[RAL_RF3] & ~RAL_RF3_AUTOTUNE; 1739190688Sweongyo ural_rf_write(sc, RAL_RF3, tmp); 1740190688Sweongyo 1741190688Sweongyo DPRINTFN(2, "disabling RF autotune\n"); 1742190688Sweongyo} 1743190688Sweongyo 1744190688Sweongyo/* 1745190688Sweongyo * Refer to IEEE Std 802.11-1999 pp. 123 for more information on TSF 1746190688Sweongyo * synchronization. 1747190688Sweongyo */ 1748190688Sweongyostatic void 1749190688Sweongyoural_enable_tsf_sync(struct ural_softc *sc) 1750190688Sweongyo{ 1751190688Sweongyo struct ifnet *ifp = sc->sc_ifp; 1752190688Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1753190688Sweongyo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1754190688Sweongyo uint16_t logcwmin, preload, tmp; 1755190688Sweongyo 1756190688Sweongyo /* first, disable TSF synchronization */ 1757190688Sweongyo ural_write(sc, RAL_TXRX_CSR19, 0); 1758190688Sweongyo 1759190688Sweongyo tmp = (16 * vap->iv_bss->ni_intval) << 4; 1760190688Sweongyo ural_write(sc, RAL_TXRX_CSR18, tmp); 1761190688Sweongyo 1762190688Sweongyo logcwmin = (ic->ic_opmode == IEEE80211_M_IBSS) ? 2 : 0; 1763190688Sweongyo preload = (ic->ic_opmode == IEEE80211_M_IBSS) ? 320 : 6; 1764190688Sweongyo tmp = logcwmin << 12 | preload; 1765190688Sweongyo ural_write(sc, RAL_TXRX_CSR20, tmp); 1766190688Sweongyo 1767190688Sweongyo /* finally, enable TSF synchronization */ 1768190688Sweongyo tmp = RAL_ENABLE_TSF | RAL_ENABLE_TBCN; 1769190688Sweongyo if (ic->ic_opmode == IEEE80211_M_STA) 1770190688Sweongyo tmp |= RAL_ENABLE_TSF_SYNC(1); 1771190688Sweongyo else 1772190688Sweongyo tmp |= RAL_ENABLE_TSF_SYNC(2) | RAL_ENABLE_BEACON_GENERATOR; 1773190688Sweongyo ural_write(sc, RAL_TXRX_CSR19, tmp); 1774190688Sweongyo 1775190688Sweongyo DPRINTF("enabling TSF synchronization\n"); 1776190688Sweongyo} 1777190688Sweongyo 1778190688Sweongyostatic void 1779190688Sweongyoural_enable_tsf(struct ural_softc *sc) 1780190688Sweongyo{ 1781190688Sweongyo /* first, disable TSF synchronization */ 1782190688Sweongyo ural_write(sc, RAL_TXRX_CSR19, 0); 1783190688Sweongyo ural_write(sc, RAL_TXRX_CSR19, RAL_ENABLE_TSF | RAL_ENABLE_TSF_SYNC(2)); 1784190688Sweongyo} 1785190688Sweongyo 1786190688Sweongyo#define RAL_RXTX_TURNAROUND 5 /* us */ 1787190688Sweongyostatic void 1788190688Sweongyoural_update_slot(struct ifnet *ifp) 1789190688Sweongyo{ 1790190688Sweongyo struct ural_softc *sc = ifp->if_softc; 1791190688Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1792190688Sweongyo uint16_t slottime, sifs, eifs; 1793190688Sweongyo 1794190688Sweongyo slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20; 1795190688Sweongyo 1796190688Sweongyo /* 1797190688Sweongyo * These settings may sound a bit inconsistent but this is what the 1798190688Sweongyo * reference driver does. 1799190688Sweongyo */ 1800190688Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11B) { 1801190688Sweongyo sifs = 16 - RAL_RXTX_TURNAROUND; 1802190688Sweongyo eifs = 364; 1803190688Sweongyo } else { 1804190688Sweongyo sifs = 10 - RAL_RXTX_TURNAROUND; 1805190688Sweongyo eifs = 64; 1806190688Sweongyo } 1807190688Sweongyo 1808190688Sweongyo ural_write(sc, RAL_MAC_CSR10, slottime); 1809190688Sweongyo ural_write(sc, RAL_MAC_CSR11, sifs); 1810190688Sweongyo ural_write(sc, RAL_MAC_CSR12, eifs); 1811190688Sweongyo} 1812190688Sweongyo 1813190688Sweongyostatic void 1814190688Sweongyoural_set_txpreamble(struct ural_softc *sc) 1815190688Sweongyo{ 1816190688Sweongyo struct ifnet *ifp = sc->sc_ifp; 1817190688Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1818190688Sweongyo uint16_t tmp; 1819190688Sweongyo 1820190688Sweongyo tmp = ural_read(sc, RAL_TXRX_CSR10); 1821190688Sweongyo 1822190688Sweongyo tmp &= ~RAL_SHORT_PREAMBLE; 1823190688Sweongyo if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 1824190688Sweongyo tmp |= RAL_SHORT_PREAMBLE; 1825190688Sweongyo 1826190688Sweongyo ural_write(sc, RAL_TXRX_CSR10, tmp); 1827190688Sweongyo} 1828190688Sweongyo 1829190688Sweongyostatic void 1830190688Sweongyoural_set_basicrates(struct ural_softc *sc, const struct ieee80211_channel *c) 1831190688Sweongyo{ 1832190688Sweongyo /* XXX wrong, take from rate set */ 1833190688Sweongyo /* update basic rate set */ 1834190688Sweongyo if (IEEE80211_IS_CHAN_5GHZ(c)) { 1835190688Sweongyo /* 11a basic rates: 6, 12, 24Mbps */ 1836190688Sweongyo ural_write(sc, RAL_TXRX_CSR11, 0x150); 1837190688Sweongyo } else if (IEEE80211_IS_CHAN_ANYG(c)) { 1838190688Sweongyo /* 11g basic rates: 1, 2, 5.5, 11, 6, 12, 24Mbps */ 1839190688Sweongyo ural_write(sc, RAL_TXRX_CSR11, 0x15f); 1840190688Sweongyo } else { 1841190688Sweongyo /* 11b basic rates: 1, 2Mbps */ 1842190688Sweongyo ural_write(sc, RAL_TXRX_CSR11, 0x3); 1843190688Sweongyo } 1844190688Sweongyo} 1845190688Sweongyo 1846190688Sweongyostatic void 1847190688Sweongyoural_set_bssid(struct ural_softc *sc, const uint8_t *bssid) 1848190688Sweongyo{ 1849190688Sweongyo uint16_t tmp; 1850190688Sweongyo 1851190688Sweongyo tmp = bssid[0] | bssid[1] << 8; 1852190688Sweongyo ural_write(sc, RAL_MAC_CSR5, tmp); 1853190688Sweongyo 1854190688Sweongyo tmp = bssid[2] | bssid[3] << 8; 1855190688Sweongyo ural_write(sc, RAL_MAC_CSR6, tmp); 1856190688Sweongyo 1857190688Sweongyo tmp = bssid[4] | bssid[5] << 8; 1858190688Sweongyo ural_write(sc, RAL_MAC_CSR7, tmp); 1859194329Sweongyo 1860194329Sweongyo DPRINTF("setting BSSID to %6D\n", bssid, ":"); 1861190688Sweongyo} 1862190688Sweongyo 1863190688Sweongyostatic void 1864190688Sweongyoural_set_macaddr(struct ural_softc *sc, uint8_t *addr) 1865190688Sweongyo{ 1866190688Sweongyo uint16_t tmp; 1867190688Sweongyo 1868190688Sweongyo tmp = addr[0] | addr[1] << 8; 1869190688Sweongyo ural_write(sc, RAL_MAC_CSR2, tmp); 1870190688Sweongyo 1871190688Sweongyo tmp = addr[2] | addr[3] << 8; 1872190688Sweongyo ural_write(sc, RAL_MAC_CSR3, tmp); 1873190688Sweongyo 1874190688Sweongyo tmp = addr[4] | addr[5] << 8; 1875190688Sweongyo ural_write(sc, RAL_MAC_CSR4, tmp); 1876190688Sweongyo 1877190688Sweongyo DPRINTF("setting MAC address to %6D\n", addr, ":"); 1878190688Sweongyo} 1879190688Sweongyo 1880190688Sweongyostatic void 1881190688Sweongyoural_setpromisc(struct ural_softc *sc) 1882190688Sweongyo{ 1883190688Sweongyo struct ifnet *ifp = sc->sc_ifp; 1884190688Sweongyo uint32_t tmp; 1885190688Sweongyo 1886190688Sweongyo tmp = ural_read(sc, RAL_TXRX_CSR2); 1887190688Sweongyo 1888190688Sweongyo tmp &= ~RAL_DROP_NOT_TO_ME; 1889190688Sweongyo if (!(ifp->if_flags & IFF_PROMISC)) 1890190688Sweongyo tmp |= RAL_DROP_NOT_TO_ME; 1891190688Sweongyo 1892190688Sweongyo ural_write(sc, RAL_TXRX_CSR2, tmp); 1893190688Sweongyo 1894190688Sweongyo DPRINTF("%s promiscuous mode\n", (ifp->if_flags & IFF_PROMISC) ? 1895190688Sweongyo "entering" : "leaving"); 1896190688Sweongyo} 1897190688Sweongyo 1898190688Sweongyostatic void 1899190688Sweongyoural_update_promisc(struct ifnet *ifp) 1900190688Sweongyo{ 1901190688Sweongyo struct ural_softc *sc = ifp->if_softc; 1902190688Sweongyo 1903190688Sweongyo if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 1904190688Sweongyo return; 1905190688Sweongyo 1906190688Sweongyo RAL_LOCK(sc); 1907190688Sweongyo ural_setpromisc(sc); 1908190688Sweongyo RAL_UNLOCK(sc); 1909190688Sweongyo} 1910194329Sweongyo 1911194329Sweongyostatic const char * 1912194329Sweongyoural_get_rf(int rev) 1913194329Sweongyo{ 1914194329Sweongyo switch (rev) { 1915190688Sweongyo case RAL_RF_2522: return "RT2522"; 1916190688Sweongyo case RAL_RF_2523: return "RT2523"; 1917190688Sweongyo case RAL_RF_2524: return "RT2524"; 1918190688Sweongyo case RAL_RF_2525: return "RT2525"; 1919190688Sweongyo case RAL_RF_2525E: return "RT2525e"; 1920190688Sweongyo case RAL_RF_2526: return "RT2526"; 1921190688Sweongyo case RAL_RF_5222: return "RT5222"; 1922192468Ssam default: return "unknown"; 1923190688Sweongyo } 1924190688Sweongyo} 1925190688Sweongyo 1926190688Sweongyostatic void 1927190688Sweongyoural_read_eeprom(struct ural_softc *sc) 1928190688Sweongyo{ 1929190688Sweongyo uint16_t val; 1930192468Ssam 1931194329Sweongyo ural_eeprom_read(sc, RAL_EEPROM_CONFIG0, &val, 2); 1932194329Sweongyo val = le16toh(val); 1933194329Sweongyo sc->rf_rev = (val >> 11) & 0x7; 1934194329Sweongyo sc->hw_radio = (val >> 10) & 0x1; 1935194329Sweongyo sc->led_mode = (val >> 6) & 0x7; 1936190688Sweongyo sc->rx_ant = (val >> 4) & 0x3; 1937190688Sweongyo sc->tx_ant = (val >> 2) & 0x3; 1938190688Sweongyo sc->nb_ant = val & 0x3; 1939190688Sweongyo 1940192468Ssam /* read MAC address */ 1941192468Ssam ural_eeprom_read(sc, RAL_EEPROM_ADDRESS, sc->sc_bssid, 6); 1942192468Ssam 1943190688Sweongyo /* read default values for BBP registers */ 1944190688Sweongyo ural_eeprom_read(sc, RAL_EEPROM_BBP_BASE, sc->bbp_prom, 2 * 16); 1945190688Sweongyo 1946190688Sweongyo /* read Tx power for all b/g channels */ 1947190688Sweongyo ural_eeprom_read(sc, RAL_EEPROM_TXPOWER, sc->txpow, 14); 1948190688Sweongyo} 1949190688Sweongyo 1950192468Ssamstatic int 1951194329Sweongyoural_bbp_init(struct ural_softc *sc) 1952194329Sweongyo{ 1953194329Sweongyo#define N(a) ((int)(sizeof (a) / sizeof ((a)[0]))) 1954194329Sweongyo int i, ntries; 1955194329Sweongyo 1956192468Ssam /* wait for BBP to be ready */ 1957192468Ssam for (ntries = 0; ntries < 100; ntries++) { 1958192468Ssam if (ural_bbp_read(sc, RAL_BBP_VERSION) != 0) 1959192468Ssam break; 1960192468Ssam if (ural_pause(sc, hz / 100)) 1961192468Ssam break; 1962192468Ssam } 1963190688Sweongyo if (ntries == 100) { 1964190688Sweongyo device_printf(sc->sc_dev, "timeout waiting for BBP\n"); 1965190688Sweongyo return EIO; 1966190688Sweongyo } 1967190688Sweongyo 1968190688Sweongyo /* initialize BBP registers to default values */ 1969190688Sweongyo for (i = 0; i < N(ural_def_bbp); i++) 1970190688Sweongyo ural_bbp_write(sc, ural_def_bbp[i].reg, ural_def_bbp[i].val); 1971190688Sweongyo 1972190688Sweongyo#if 0 1973190688Sweongyo /* initialize BBP registers to values stored in EEPROM */ 1974190688Sweongyo for (i = 0; i < 16; i++) { 1975190688Sweongyo if (sc->bbp_prom[i].reg == 0xff) 1976190688Sweongyo continue; 1977190688Sweongyo ural_bbp_write(sc, sc->bbp_prom[i].reg, sc->bbp_prom[i].val); 1978190688Sweongyo } 1979190688Sweongyo#endif 1980190688Sweongyo 1981190688Sweongyo return 0; 1982190688Sweongyo#undef N 1983190688Sweongyo} 1984190688Sweongyo 1985190688Sweongyostatic void 1986190688Sweongyoural_set_txantenna(struct ural_softc *sc, int antenna) 1987190688Sweongyo{ 1988190688Sweongyo uint16_t tmp; 1989190688Sweongyo uint8_t tx; 1990190688Sweongyo 1991190688Sweongyo tx = ural_bbp_read(sc, RAL_BBP_TX) & ~RAL_BBP_ANTMASK; 1992190688Sweongyo if (antenna == 1) 1993190688Sweongyo tx |= RAL_BBP_ANTA; 1994190688Sweongyo else if (antenna == 2) 1995190688Sweongyo tx |= RAL_BBP_ANTB; 1996190688Sweongyo else 1997190688Sweongyo tx |= RAL_BBP_DIVERSITY; 1998190688Sweongyo 1999190688Sweongyo /* need to force I/Q flip for RF 2525e, 2526 and 5222 */ 2000190688Sweongyo if (sc->rf_rev == RAL_RF_2525E || sc->rf_rev == RAL_RF_2526 || 2001190688Sweongyo sc->rf_rev == RAL_RF_5222) 2002190688Sweongyo tx |= RAL_BBP_FLIPIQ; 2003190688Sweongyo 2004190688Sweongyo ural_bbp_write(sc, RAL_BBP_TX, tx); 2005190688Sweongyo 2006190688Sweongyo /* update values in PHY_CSR5 and PHY_CSR6 */ 2007190688Sweongyo tmp = ural_read(sc, RAL_PHY_CSR5) & ~0x7; 2008190688Sweongyo ural_write(sc, RAL_PHY_CSR5, tmp | (tx & 0x7)); 2009190688Sweongyo 2010190688Sweongyo tmp = ural_read(sc, RAL_PHY_CSR6) & ~0x7; 2011190688Sweongyo ural_write(sc, RAL_PHY_CSR6, tmp | (tx & 0x7)); 2012190688Sweongyo} 2013190688Sweongyo 2014190688Sweongyostatic void 2015190688Sweongyoural_set_rxantenna(struct ural_softc *sc, int antenna) 2016190688Sweongyo{ 2017190688Sweongyo uint8_t rx; 2018190688Sweongyo 2019190688Sweongyo rx = ural_bbp_read(sc, RAL_BBP_RX) & ~RAL_BBP_ANTMASK; 2020190688Sweongyo if (antenna == 1) 2021190688Sweongyo rx |= RAL_BBP_ANTA; 2022190688Sweongyo else if (antenna == 2) 2023190688Sweongyo rx |= RAL_BBP_ANTB; 2024190688Sweongyo else 2025190688Sweongyo rx |= RAL_BBP_DIVERSITY; 2026190688Sweongyo 2027190688Sweongyo /* need to force no I/Q flip for RF 2525e and 2526 */ 2028190688Sweongyo if (sc->rf_rev == RAL_RF_2525E || sc->rf_rev == RAL_RF_2526) 2029190688Sweongyo rx &= ~RAL_BBP_FLIPIQ; 2030190688Sweongyo 2031190688Sweongyo ural_bbp_write(sc, RAL_BBP_RX, rx); 2032190688Sweongyo} 2033190688Sweongyo 2034190688Sweongyostatic void 2035190688Sweongyoural_init_locked(struct ural_softc *sc) 2036190688Sweongyo{ 2037190688Sweongyo#define N(a) ((int)(sizeof (a) / sizeof ((a)[0]))) 2038190688Sweongyo struct ifnet *ifp = sc->sc_ifp; 2039190688Sweongyo struct ieee80211com *ic = ifp->if_l2com; 2040190688Sweongyo uint16_t tmp; 2041190688Sweongyo int i, ntries; 2042190688Sweongyo 2043190688Sweongyo RAL_LOCK_ASSERT(sc, MA_OWNED); 2044190688Sweongyo 2045190688Sweongyo ural_set_testmode(sc); 2046190688Sweongyo ural_write(sc, 0x308, 0x00f0); /* XXX magic */ 2047190688Sweongyo 2048190688Sweongyo ural_stop(sc); 2049190688Sweongyo 2050190688Sweongyo /* initialize MAC registers to default values */ 2051190688Sweongyo for (i = 0; i < N(ural_def_mac); i++) 2052190688Sweongyo ural_write(sc, ural_def_mac[i].reg, ural_def_mac[i].val); 2053190688Sweongyo 2054190688Sweongyo /* wait for BBP and RF to wake up (this can take a long time!) */ 2055190688Sweongyo for (ntries = 0; ntries < 100; ntries++) { 2056190688Sweongyo tmp = ural_read(sc, RAL_MAC_CSR17); 2057190688Sweongyo if ((tmp & (RAL_BBP_AWAKE | RAL_RF_AWAKE)) == 2058190688Sweongyo (RAL_BBP_AWAKE | RAL_RF_AWAKE)) 2059190688Sweongyo break; 2060190688Sweongyo if (ural_pause(sc, hz / 100)) 2061190688Sweongyo break; 2062190688Sweongyo } 2063190688Sweongyo if (ntries == 100) { 2064190688Sweongyo device_printf(sc->sc_dev, 2065190688Sweongyo "timeout waiting for BBP/RF to wakeup\n"); 2066190688Sweongyo goto fail; 2067190688Sweongyo } 2068190688Sweongyo 2069190688Sweongyo /* we're ready! */ 2070190688Sweongyo ural_write(sc, RAL_MAC_CSR1, RAL_HOST_READY); 2071190688Sweongyo 2072190688Sweongyo /* set basic rate set (will be updated later) */ 2073190688Sweongyo ural_write(sc, RAL_TXRX_CSR11, 0x15f); 2074190688Sweongyo 2075190688Sweongyo if (ural_bbp_init(sc) != 0) 2076190688Sweongyo goto fail; 2077191746Sthompsa 2078190688Sweongyo ural_set_chan(sc, ic->ic_curchan); 2079190688Sweongyo 2080190688Sweongyo /* clear statistic registers (STA_CSR0 to STA_CSR10) */ 2081190688Sweongyo ural_read_multi(sc, RAL_STA_CSR0, sc->sta, sizeof sc->sta); 2082190688Sweongyo 2083190688Sweongyo ural_set_txantenna(sc, sc->tx_ant); 2084190688Sweongyo ural_set_rxantenna(sc, sc->rx_ant); 2085190688Sweongyo 2086190688Sweongyo ural_set_macaddr(sc, IF_LLADDR(ifp)); 2087190688Sweongyo 2088190688Sweongyo /* 2089190688Sweongyo * Allocate Tx and Rx xfer queues. 2090190688Sweongyo */ 2091190688Sweongyo ural_setup_tx_list(sc); 2092190688Sweongyo 2093190688Sweongyo /* kick Rx */ 2094190688Sweongyo tmp = RAL_DROP_PHY | RAL_DROP_CRC; 2095190688Sweongyo if (ic->ic_opmode != IEEE80211_M_MONITOR) { 2096190688Sweongyo tmp |= RAL_DROP_CTL | RAL_DROP_BAD_VERSION; 2097190688Sweongyo if (ic->ic_opmode != IEEE80211_M_HOSTAP) 2098190688Sweongyo tmp |= RAL_DROP_TODS; 2099190688Sweongyo if (!(ifp->if_flags & IFF_PROMISC)) 2100190688Sweongyo tmp |= RAL_DROP_NOT_TO_ME; 2101190688Sweongyo } 2102190688Sweongyo ural_write(sc, RAL_TXRX_CSR2, tmp); 2103190688Sweongyo 2104190688Sweongyo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2105190688Sweongyo ifp->if_drv_flags |= IFF_DRV_RUNNING; 2106190688Sweongyo usbd_xfer_set_stall(sc->sc_xfer[URAL_BULK_WR]); 2107190688Sweongyo usbd_transfer_start(sc->sc_xfer[URAL_BULK_RD]); 2108190688Sweongyo return; 2109190688Sweongyo 2110190688Sweongyofail: ural_stop(sc); 2111190688Sweongyo#undef N 2112190688Sweongyo} 2113190688Sweongyo 2114190688Sweongyostatic void 2115190688Sweongyoural_init(void *priv) 2116190688Sweongyo{ 2117190688Sweongyo struct ural_softc *sc = priv; 2118190688Sweongyo struct ifnet *ifp = sc->sc_ifp; 2119190688Sweongyo struct ieee80211com *ic = ifp->if_l2com; 2120190688Sweongyo 2121190688Sweongyo RAL_LOCK(sc); 2122190688Sweongyo ural_init_locked(sc); 2123190688Sweongyo RAL_UNLOCK(sc); 2124190688Sweongyo 2125190688Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2126190688Sweongyo ieee80211_start_all(ic); /* start all vap's */ 2127190688Sweongyo} 2128190688Sweongyo 2129190688Sweongyostatic void 2130190688Sweongyoural_stop(struct ural_softc *sc) 2131190688Sweongyo{ 2132190688Sweongyo struct ifnet *ifp = sc->sc_ifp; 2133190688Sweongyo 2134190688Sweongyo RAL_LOCK_ASSERT(sc, MA_OWNED); 2135190688Sweongyo 2136190688Sweongyo ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 2137190688Sweongyo 2138190688Sweongyo /* 2139190688Sweongyo * Drain all the transfers, if not already drained: 2140190688Sweongyo */ 2141190688Sweongyo RAL_UNLOCK(sc); 2142190688Sweongyo usbd_transfer_drain(sc->sc_xfer[URAL_BULK_WR]); 2143190688Sweongyo usbd_transfer_drain(sc->sc_xfer[URAL_BULK_RD]); 2144190688Sweongyo RAL_LOCK(sc); 2145190688Sweongyo 2146190688Sweongyo ural_unsetup_tx_list(sc); 2147190688Sweongyo 2148190688Sweongyo /* disable Rx */ 2149190688Sweongyo ural_write(sc, RAL_TXRX_CSR2, RAL_DISABLE_RX); 2150190688Sweongyo /* reset ASIC and BBP (but won't reset MAC registers!) */ 2151190688Sweongyo ural_write(sc, RAL_MAC_CSR1, RAL_RESET_ASIC | RAL_RESET_BBP); 2152190688Sweongyo /* wait a little */ 2153190688Sweongyo ural_pause(sc, hz / 10); 2154190688Sweongyo ural_write(sc, RAL_MAC_CSR1, 0); 2155191746Sthompsa /* wait a little */ 2156190688Sweongyo ural_pause(sc, hz / 10); 2157190688Sweongyo} 2158190688Sweongyo 2159190688Sweongyostatic int 2160190688Sweongyoural_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2161190688Sweongyo const struct ieee80211_bpf_params *params) 2162190688Sweongyo{ 2163190688Sweongyo struct ieee80211com *ic = ni->ni_ic; 2164190688Sweongyo struct ifnet *ifp = ic->ic_ifp; 2165190688Sweongyo struct ural_softc *sc = ifp->if_softc; 2166190688Sweongyo 2167190688Sweongyo RAL_LOCK(sc); 2168190688Sweongyo /* prevent management frames from being sent if we're not ready */ 2169190688Sweongyo if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2170190688Sweongyo RAL_UNLOCK(sc); 2171190688Sweongyo m_freem(m); 2172190688Sweongyo ieee80211_free_node(ni); 2173190688Sweongyo return ENETDOWN; 2174190688Sweongyo } 2175190688Sweongyo if (sc->tx_nfree < RAL_TX_MINFREE) { 2176190688Sweongyo ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2177190688Sweongyo RAL_UNLOCK(sc); 2178190688Sweongyo m_freem(m); 2179190688Sweongyo ieee80211_free_node(ni); 2180190688Sweongyo return EIO; 2181190688Sweongyo } 2182190688Sweongyo 2183190688Sweongyo ifp->if_opackets++; 2184190688Sweongyo 2185190688Sweongyo if (params == NULL) { 2186190688Sweongyo /* 2187190688Sweongyo * Legacy path; interpret frame contents to decide 2188190688Sweongyo * precisely how to send the frame. 2189190688Sweongyo */ 2190190688Sweongyo if (ural_tx_mgt(sc, m, ni) != 0) 2191190688Sweongyo goto bad; 2192190688Sweongyo } else { 2193190688Sweongyo /* 2194190688Sweongyo * Caller supplied explicit parameters to use in 2195190688Sweongyo * sending the frame. 2196190688Sweongyo */ 2197190688Sweongyo if (ural_tx_raw(sc, m, ni, params) != 0) 2198190688Sweongyo goto bad; 2199190688Sweongyo } 2200190688Sweongyo RAL_UNLOCK(sc); 2201190688Sweongyo return 0; 2202190688Sweongyobad: 2203190688Sweongyo ifp->if_oerrors++; 2204190688Sweongyo RAL_UNLOCK(sc); 2205190688Sweongyo ieee80211_free_node(ni); 2206190688Sweongyo return EIO; /* XXX */ 2207190688Sweongyo} 2208190688Sweongyo 2209190688Sweongyostatic void 2210190688Sweongyoural_ratectl_start(struct ural_softc *sc, struct ieee80211_node *ni) 2211190688Sweongyo{ 2212190688Sweongyo struct ieee80211vap *vap = ni->ni_vap; 2213190688Sweongyo struct ural_vap *uvp = URAL_VAP(vap); 2214190688Sweongyo 2215190688Sweongyo /* clear statistic registers (STA_CSR0 to STA_CSR10) */ 2216190688Sweongyo ural_read_multi(sc, RAL_STA_CSR0, sc->sta, sizeof sc->sta); 2217190688Sweongyo 2218190688Sweongyo usb_callout_reset(&uvp->ratectl_ch, hz, ural_ratectl_timeout, uvp); 2219190688Sweongyo} 2220190688Sweongyo 2221190688Sweongyostatic void 2222190688Sweongyoural_ratectl_timeout(void *arg) 2223190688Sweongyo{ 2224190688Sweongyo struct ural_vap *uvp = arg; 2225190688Sweongyo struct ieee80211vap *vap = &uvp->vap; 2226190688Sweongyo struct ieee80211com *ic = vap->iv_ic; 2227190688Sweongyo 2228190688Sweongyo ieee80211_runtask(ic, &uvp->ratectl_task); 2229190688Sweongyo} 2230190688Sweongyo 2231190688Sweongyostatic void 2232190688Sweongyoural_ratectl_task(void *arg, int pending) 2233190688Sweongyo{ 2234190688Sweongyo struct ural_vap *uvp = arg; 2235190688Sweongyo struct ieee80211vap *vap = &uvp->vap; 2236190688Sweongyo struct ieee80211com *ic = vap->iv_ic; 2237190688Sweongyo struct ifnet *ifp = ic->ic_ifp; 2238190688Sweongyo struct ural_softc *sc = ifp->if_softc; 2239190688Sweongyo struct ieee80211_node *ni; 2240190688Sweongyo int ok, fail; 2241190688Sweongyo int sum, retrycnt; 2242190688Sweongyo 2243190688Sweongyo ni = ieee80211_ref_node(vap->iv_bss); 2244190688Sweongyo RAL_LOCK(sc); 2245190688Sweongyo /* read and clear statistic registers (STA_CSR0 to STA_CSR10) */ 2246190688Sweongyo ural_read_multi(sc, RAL_STA_CSR0, sc->sta, sizeof(sc->sta)); 2247190688Sweongyo 2248190688Sweongyo ok = sc->sta[7] + /* TX ok w/o retry */ 2249190688Sweongyo sc->sta[8]; /* TX ok w/ retry */ 2250190688Sweongyo fail = sc->sta[9]; /* TX retry-fail count */ 2251190688Sweongyo sum = ok+fail; 2252190688Sweongyo retrycnt = sc->sta[8] + fail; 2253190688Sweongyo 2254190688Sweongyo ieee80211_ratectl_tx_update(vap, ni, &sum, &ok, &retrycnt); 2255190688Sweongyo (void) ieee80211_ratectl_rate(ni, NULL, 0); 2256190688Sweongyo 2257190688Sweongyo ifp->if_oerrors += fail; /* count TX retry-fail as Tx errors */ 2258190688Sweongyo 2259190688Sweongyo usb_callout_reset(&uvp->ratectl_ch, hz, ural_ratectl_timeout, uvp); 2260190688Sweongyo RAL_UNLOCK(sc); 2261190688Sweongyo ieee80211_free_node(ni); 2262190688Sweongyo} 2263190688Sweongyo 2264190688Sweongyostatic int 2265190688Sweongyoural_pause(struct ural_softc *sc, int timeout) 2266190688Sweongyo{ 2267190688Sweongyo 2268190688Sweongyo usb_pause_mtx(&sc->sc_mtx, timeout); 2269190688Sweongyo return (0); 2270190688Sweongyo} 2271190688Sweongyo