if_rum.c revision 187192
1/*- 2 * Copyright (c) 2005-2007 Damien Bergamini <damien.bergamini@free.fr> 3 * Copyright (c) 2006 Niall O'Higgins <niallo@openbsd.org> 4 * Copyright (c) 2007-2008 Hans Petter Selasky <hselasky@freebsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19/* 20 * NOTE: all function names beginning like "rum_cfg_" can only 21 * be called from within the config thread function ! 22 */ 23 24#include <sys/cdefs.h> 25__FBSDID("$FreeBSD: head/sys/dev/usb2/wlan/if_rum2.c 187192 2009-01-13 21:18:14Z thompsa $"); 26 27/*- 28 * Ralink Technology RT2501USB/RT2601USB chipset driver 29 * http://www.ralinktech.com.tw/ 30 */ 31 32#include <dev/usb2/include/usb2_devid.h> 33#include <dev/usb2/include/usb2_standard.h> 34#include <dev/usb2/include/usb2_mfunc.h> 35#include <dev/usb2/include/usb2_error.h> 36 37#define usb2_config_td_cc rum_config_copy 38#define usb2_config_td_softc rum_softc 39 40#define USB_DEBUG_VAR rum_debug 41 42#include <dev/usb2/core/usb2_core.h> 43#include <dev/usb2/core/usb2_lookup.h> 44#include <dev/usb2/core/usb2_process.h> 45#include <dev/usb2/core/usb2_config_td.h> 46#include <dev/usb2/core/usb2_debug.h> 47#include <dev/usb2/core/usb2_request.h> 48#include <dev/usb2/core/usb2_busdma.h> 49#include <dev/usb2/core/usb2_util.h> 50 51#include <dev/usb2/wlan/usb2_wlan.h> 52#include <dev/usb2/wlan/if_rumreg.h> 53#include <dev/usb2/wlan/if_rumvar.h> 54#include <dev/usb2/wlan/if_rumfw.h> 55 56#if USB_DEBUG 57static int rum_debug = 0; 58 59SYSCTL_NODE(_hw_usb2, OID_AUTO, rum, CTLFLAG_RW, 0, "USB rum"); 60SYSCTL_INT(_hw_usb2_rum, OID_AUTO, debug, CTLFLAG_RW, &rum_debug, 0, 61 "Debug level"); 62#endif 63 64/* prototypes */ 65 66static device_probe_t rum_probe; 67static device_attach_t rum_attach; 68static device_detach_t rum_detach; 69 70static usb2_callback_t rum_bulk_read_callback; 71static usb2_callback_t rum_bulk_read_clear_stall_callback; 72static usb2_callback_t rum_bulk_write_callback; 73static usb2_callback_t rum_bulk_write_clear_stall_callback; 74 75static usb2_config_td_command_t rum_cfg_first_time_setup; 76static usb2_config_td_command_t rum_config_copy; 77static usb2_config_td_command_t rum_cfg_scan_start; 78static usb2_config_td_command_t rum_cfg_scan_end; 79static usb2_config_td_command_t rum_cfg_select_band; 80static usb2_config_td_command_t rum_cfg_set_chan; 81static usb2_config_td_command_t rum_cfg_enable_tsf_sync; 82static usb2_config_td_command_t rum_cfg_enable_mrr; 83static usb2_config_td_command_t rum_cfg_update_slot; 84static usb2_config_td_command_t rum_cfg_select_antenna; 85static usb2_config_td_command_t rum_cfg_set_txpreamble; 86static usb2_config_td_command_t rum_cfg_update_promisc; 87static usb2_config_td_command_t rum_cfg_pre_init; 88static usb2_config_td_command_t rum_cfg_init; 89static usb2_config_td_command_t rum_cfg_pre_stop; 90static usb2_config_td_command_t rum_cfg_stop; 91static usb2_config_td_command_t rum_cfg_amrr_timeout; 92static usb2_config_td_command_t rum_cfg_prepare_beacon; 93static usb2_config_td_command_t rum_cfg_newstate; 94 95static const char *rum_get_rf(uint32_t); 96static int rum_ioctl_cb(struct ifnet *, u_long, caddr_t); 97static void rum_std_command(struct ieee80211com *, usb2_config_td_command_t *); 98static void rum_scan_start_cb(struct ieee80211com *); 99static void rum_scan_end_cb(struct ieee80211com *); 100static void rum_set_channel_cb(struct ieee80211com *); 101static uint16_t rum_cfg_eeprom_read_2(struct rum_softc *, uint16_t); 102static uint32_t rum_cfg_bbp_disbusy(struct rum_softc *); 103static uint32_t rum_cfg_read(struct rum_softc *, uint16_t); 104static uint8_t rum_cfg_bbp_init(struct rum_softc *); 105static uint8_t rum_cfg_bbp_read(struct rum_softc *, uint8_t); 106static void rum_cfg_amrr_start(struct rum_softc *); 107static void rum_cfg_bbp_write(struct rum_softc *, uint8_t, uint8_t); 108static void rum_cfg_do_request(struct rum_softc *, 109 struct usb2_device_request *, void *); 110static void rum_cfg_eeprom_read(struct rum_softc *, uint16_t, void *, 111 uint16_t); 112static void rum_cfg_load_microcode(struct rum_softc *, const uint8_t *, 113 uint16_t); 114static void rum_cfg_read_eeprom(struct rum_softc *); 115static void rum_cfg_read_multi(struct rum_softc *, uint16_t, void *, 116 uint16_t); 117static void rum_cfg_rf_write(struct rum_softc *, uint8_t, uint32_t); 118static void rum_cfg_set_bssid(struct rum_softc *, uint8_t *); 119static void rum_cfg_set_macaddr(struct rum_softc *, uint8_t *); 120static void rum_cfg_write(struct rum_softc *, uint16_t, uint32_t); 121static void rum_cfg_write_multi(struct rum_softc *, uint16_t, void *, 122 uint16_t); 123static void rum_end_of_commands(struct rum_softc *); 124static void rum_init_cb(void *); 125static void rum_start_cb(struct ifnet *); 126static void rum_watchdog(void *); 127static uint8_t rum_get_rssi(struct rum_softc *, uint8_t); 128static struct ieee80211vap *rum_vap_create(struct ieee80211com *, 129 const char[], int, int, int, const uint8_t[], 130 const uint8_t[]); 131static void rum_vap_delete(struct ieee80211vap *); 132static struct ieee80211_node *rum_node_alloc(struct ieee80211vap *, 133 const uint8_t[]); 134static void rum_newassoc(struct ieee80211_node *, int); 135static void rum_cfg_disable_tsf_sync(struct rum_softc *); 136static void rum_cfg_set_run(struct rum_softc *, struct rum_config_copy *); 137static void rum_fill_write_queue(struct rum_softc *); 138static void rum_tx_clean_queue(struct rum_softc *); 139static void rum_tx_freem(struct mbuf *); 140static void rum_tx_mgt(struct rum_softc *, struct mbuf *, 141 struct ieee80211_node *); 142static struct ieee80211vap *rum_get_vap(struct rum_softc *); 143static void rum_tx_data(struct rum_softc *, struct mbuf *, 144 struct ieee80211_node *); 145static void rum_tx_prot(struct rum_softc *, const struct mbuf *, 146 struct ieee80211_node *, uint8_t, uint16_t); 147static void rum_tx_raw(struct rum_softc *, struct mbuf *, 148 struct ieee80211_node *, 149 const struct ieee80211_bpf_params *); 150static int rum_raw_xmit_cb(struct ieee80211_node *, struct mbuf *, 151 const struct ieee80211_bpf_params *); 152static void rum_setup_desc_and_tx(struct rum_softc *, struct mbuf *, 153 uint32_t, uint16_t, uint16_t); 154static int rum_newstate_cb(struct ieee80211vap *, 155 enum ieee80211_state nstate, int arg); 156static void rum_update_mcast_cb(struct ifnet *); 157static void rum_update_promisc_cb(struct ifnet *); 158 159/* various supported device vendors/products */ 160static const struct usb2_device_id rum_devs[] = { 161 {USB_VPI(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_HWU54DM, 0)}, 162 {USB_VPI(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_RT2573_2, 0)}, 163 {USB_VPI(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_RT2573_3, 0)}, 164 {USB_VPI(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_RT2573_4, 0)}, 165 {USB_VPI(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_WUG2700, 0)}, 166 {USB_VPI(USB_VENDOR_AMIT, USB_PRODUCT_AMIT_CGWLUSB2GO, 0)}, 167 {USB_VPI(USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RT2573_1, 0)}, 168 {USB_VPI(USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RT2573_2, 0)}, 169 {USB_VPI(USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D7050A, 0)}, 170 {USB_VPI(USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D9050V3, 0)}, 171 {USB_VPI(USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_WUSB54GC, 0)}, 172 {USB_VPI(USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_WUSB54GR, 0)}, 173 {USB_VPI(USB_VENDOR_CONCEPTRONIC2, USB_PRODUCT_CONCEPTRONIC2_C54RU2, 0)}, 174 {USB_VPI(USB_VENDOR_COREGA, USB_PRODUCT_COREGA_CGWLUSB2GL, 0)}, 175 {USB_VPI(USB_VENDOR_COREGA, USB_PRODUCT_COREGA_CGWLUSB2GPX, 0)}, 176 {USB_VPI(USB_VENDOR_DICKSMITH, USB_PRODUCT_DICKSMITH_CWD854F, 0)}, 177 {USB_VPI(USB_VENDOR_DICKSMITH, USB_PRODUCT_DICKSMITH_RT2573, 0)}, 178 {USB_VPI(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWLG122C1, 0)}, 179 {USB_VPI(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_WUA1340, 0)}, 180 {USB_VPI(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA111, 0)}, 181 {USB_VPI(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA110, 0)}, 182 {USB_VPI(USB_VENDOR_GIGABYTE, USB_PRODUCT_GIGABYTE_GNWB01GS, 0)}, 183 {USB_VPI(USB_VENDOR_GIGABYTE, USB_PRODUCT_GIGABYTE_GNWI05GS, 0)}, 184 {USB_VPI(USB_VENDOR_GIGASET, USB_PRODUCT_GIGASET_RT2573, 0)}, 185 {USB_VPI(USB_VENDOR_GOODWAY, USB_PRODUCT_GOODWAY_RT2573, 0)}, 186 {USB_VPI(USB_VENDOR_GUILLEMOT, USB_PRODUCT_GUILLEMOT_HWGUSB254LB, 0)}, 187 {USB_VPI(USB_VENDOR_GUILLEMOT, USB_PRODUCT_GUILLEMOT_HWGUSB254V2AP, 0)}, 188 {USB_VPI(USB_VENDOR_HUAWEI3COM, USB_PRODUCT_HUAWEI3COM_WUB320G, 0)}, 189 {USB_VPI(USB_VENDOR_MELCO, USB_PRODUCT_MELCO_G54HP, 0)}, 190 {USB_VPI(USB_VENDOR_MELCO, USB_PRODUCT_MELCO_SG54HP, 0)}, 191 {USB_VPI(USB_VENDOR_MSI, USB_PRODUCT_MSI_RT2573_1, 0)}, 192 {USB_VPI(USB_VENDOR_MSI, USB_PRODUCT_MSI_RT2573_2, 0)}, 193 {USB_VPI(USB_VENDOR_MSI, USB_PRODUCT_MSI_RT2573_3, 0)}, 194 {USB_VPI(USB_VENDOR_MSI, USB_PRODUCT_MSI_RT2573_4, 0)}, 195 {USB_VPI(USB_VENDOR_NOVATECH, USB_PRODUCT_NOVATECH_RT2573, 0)}, 196 {USB_VPI(USB_VENDOR_PLANEX2, USB_PRODUCT_PLANEX2_GWUS54HP, 0)}, 197 {USB_VPI(USB_VENDOR_PLANEX2, USB_PRODUCT_PLANEX2_GWUS54MINI2, 0)}, 198 {USB_VPI(USB_VENDOR_PLANEX2, USB_PRODUCT_PLANEX2_GWUSMM, 0)}, 199 {USB_VPI(USB_VENDOR_QCOM, USB_PRODUCT_QCOM_RT2573, 0)}, 200 {USB_VPI(USB_VENDOR_QCOM, USB_PRODUCT_QCOM_RT2573_2, 0)}, 201 {USB_VPI(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2573, 0)}, 202 {USB_VPI(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2573_2, 0)}, 203 {USB_VPI(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2671, 0)}, 204 {USB_VPI(USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_WL113R2, 0)}, 205 {USB_VPI(USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_WL172, 0)}, 206 {USB_VPI(USB_VENDOR_SPARKLAN, USB_PRODUCT_SPARKLAN_RT2573, 0)}, 207 {USB_VPI(USB_VENDOR_SURECOM, USB_PRODUCT_SURECOM_RT2573, 0)}, 208}; 209 210struct rum_def_mac { 211 uint32_t reg; 212 uint32_t val; 213}; 214 215static const struct rum_def_mac rum_def_mac[] = { 216 {RT2573_TXRX_CSR0, 0x025fb032}, 217 {RT2573_TXRX_CSR1, 0x9eaa9eaf}, 218 {RT2573_TXRX_CSR2, 0x8a8b8c8d}, 219 {RT2573_TXRX_CSR3, 0x00858687}, 220 {RT2573_TXRX_CSR7, 0x2e31353b}, 221 {RT2573_TXRX_CSR8, 0x2a2a2a2c}, 222 {RT2573_TXRX_CSR15, 0x0000000f}, 223 {RT2573_MAC_CSR6, 0x00000fff}, 224 {RT2573_MAC_CSR8, 0x016c030a}, 225 {RT2573_MAC_CSR10, 0x00000718}, 226 {RT2573_MAC_CSR12, 0x00000004}, 227 {RT2573_MAC_CSR13, 0x00007f00}, 228 {RT2573_SEC_CSR0, 0x00000000}, 229 {RT2573_SEC_CSR1, 0x00000000}, 230 {RT2573_SEC_CSR5, 0x00000000}, 231 {RT2573_PHY_CSR1, 0x000023b0}, 232 {RT2573_PHY_CSR5, 0x00040a06}, 233 {RT2573_PHY_CSR6, 0x00080606}, 234 {RT2573_PHY_CSR7, 0x00000408}, 235 {RT2573_AIFSN_CSR, 0x00002273}, 236 {RT2573_CWMIN_CSR, 0x00002344}, 237 {RT2573_CWMAX_CSR, 0x000034aa} 238}; 239 240struct rum_def_bbp { 241 uint8_t reg; 242 uint8_t val; 243}; 244 245static const struct rum_def_bbp rum_def_bbp[] = { 246 {3, 0x80}, 247 {15, 0x30}, 248 {17, 0x20}, 249 {21, 0xc8}, 250 {22, 0x38}, 251 {23, 0x06}, 252 {24, 0xfe}, 253 {25, 0x0a}, 254 {26, 0x0d}, 255 {32, 0x0b}, 256 {34, 0x12}, 257 {37, 0x07}, 258 {39, 0xf8}, 259 {41, 0x60}, 260 {53, 0x10}, 261 {54, 0x18}, 262 {60, 0x10}, 263 {61, 0x04}, 264 {62, 0x04}, 265 {75, 0xfe}, 266 {86, 0xfe}, 267 {88, 0xfe}, 268 {90, 0x0f}, 269 {99, 0x00}, 270 {102, 0x16}, 271 {107, 0x04} 272}; 273 274struct rfprog { 275 uint8_t chan; 276 uint32_t r1, r2, r3, r4; 277}; 278 279static const struct rfprog rum_rf5226[] = { 280 {1, 0x00b03, 0x001e1, 0x1a014, 0x30282}, 281 {2, 0x00b03, 0x001e1, 0x1a014, 0x30287}, 282 {3, 0x00b03, 0x001e2, 0x1a014, 0x30282}, 283 {4, 0x00b03, 0x001e2, 0x1a014, 0x30287}, 284 {5, 0x00b03, 0x001e3, 0x1a014, 0x30282}, 285 {6, 0x00b03, 0x001e3, 0x1a014, 0x30287}, 286 {7, 0x00b03, 0x001e4, 0x1a014, 0x30282}, 287 {8, 0x00b03, 0x001e4, 0x1a014, 0x30287}, 288 {9, 0x00b03, 0x001e5, 0x1a014, 0x30282}, 289 {10, 0x00b03, 0x001e5, 0x1a014, 0x30287}, 290 {11, 0x00b03, 0x001e6, 0x1a014, 0x30282}, 291 {12, 0x00b03, 0x001e6, 0x1a014, 0x30287}, 292 {13, 0x00b03, 0x001e7, 0x1a014, 0x30282}, 293 {14, 0x00b03, 0x001e8, 0x1a014, 0x30284}, 294 295 {34, 0x00b03, 0x20266, 0x36014, 0x30282}, 296 {38, 0x00b03, 0x20267, 0x36014, 0x30284}, 297 {42, 0x00b03, 0x20268, 0x36014, 0x30286}, 298 {46, 0x00b03, 0x20269, 0x36014, 0x30288}, 299 300 {36, 0x00b03, 0x00266, 0x26014, 0x30288}, 301 {40, 0x00b03, 0x00268, 0x26014, 0x30280}, 302 {44, 0x00b03, 0x00269, 0x26014, 0x30282}, 303 {48, 0x00b03, 0x0026a, 0x26014, 0x30284}, 304 {52, 0x00b03, 0x0026b, 0x26014, 0x30286}, 305 {56, 0x00b03, 0x0026c, 0x26014, 0x30288}, 306 {60, 0x00b03, 0x0026e, 0x26014, 0x30280}, 307 {64, 0x00b03, 0x0026f, 0x26014, 0x30282}, 308 309 {100, 0x00b03, 0x0028a, 0x2e014, 0x30280}, 310 {104, 0x00b03, 0x0028b, 0x2e014, 0x30282}, 311 {108, 0x00b03, 0x0028c, 0x2e014, 0x30284}, 312 {112, 0x00b03, 0x0028d, 0x2e014, 0x30286}, 313 {116, 0x00b03, 0x0028e, 0x2e014, 0x30288}, 314 {120, 0x00b03, 0x002a0, 0x2e014, 0x30280}, 315 {124, 0x00b03, 0x002a1, 0x2e014, 0x30282}, 316 {128, 0x00b03, 0x002a2, 0x2e014, 0x30284}, 317 {132, 0x00b03, 0x002a3, 0x2e014, 0x30286}, 318 {136, 0x00b03, 0x002a4, 0x2e014, 0x30288}, 319 {140, 0x00b03, 0x002a6, 0x2e014, 0x30280}, 320 321 {149, 0x00b03, 0x002a8, 0x2e014, 0x30287}, 322 {153, 0x00b03, 0x002a9, 0x2e014, 0x30289}, 323 {157, 0x00b03, 0x002ab, 0x2e014, 0x30281}, 324 {161, 0x00b03, 0x002ac, 0x2e014, 0x30283}, 325 {165, 0x00b03, 0x002ad, 0x2e014, 0x30285} 326}; 327 328static const struct rfprog rum_rf5225[] = { 329 {1, 0x00b33, 0x011e1, 0x1a014, 0x30282}, 330 {2, 0x00b33, 0x011e1, 0x1a014, 0x30287}, 331 {3, 0x00b33, 0x011e2, 0x1a014, 0x30282}, 332 {4, 0x00b33, 0x011e2, 0x1a014, 0x30287}, 333 {5, 0x00b33, 0x011e3, 0x1a014, 0x30282}, 334 {6, 0x00b33, 0x011e3, 0x1a014, 0x30287}, 335 {7, 0x00b33, 0x011e4, 0x1a014, 0x30282}, 336 {8, 0x00b33, 0x011e4, 0x1a014, 0x30287}, 337 {9, 0x00b33, 0x011e5, 0x1a014, 0x30282}, 338 {10, 0x00b33, 0x011e5, 0x1a014, 0x30287}, 339 {11, 0x00b33, 0x011e6, 0x1a014, 0x30282}, 340 {12, 0x00b33, 0x011e6, 0x1a014, 0x30287}, 341 {13, 0x00b33, 0x011e7, 0x1a014, 0x30282}, 342 {14, 0x00b33, 0x011e8, 0x1a014, 0x30284}, 343 344 {34, 0x00b33, 0x01266, 0x26014, 0x30282}, 345 {38, 0x00b33, 0x01267, 0x26014, 0x30284}, 346 {42, 0x00b33, 0x01268, 0x26014, 0x30286}, 347 {46, 0x00b33, 0x01269, 0x26014, 0x30288}, 348 349 {36, 0x00b33, 0x01266, 0x26014, 0x30288}, 350 {40, 0x00b33, 0x01268, 0x26014, 0x30280}, 351 {44, 0x00b33, 0x01269, 0x26014, 0x30282}, 352 {48, 0x00b33, 0x0126a, 0x26014, 0x30284}, 353 {52, 0x00b33, 0x0126b, 0x26014, 0x30286}, 354 {56, 0x00b33, 0x0126c, 0x26014, 0x30288}, 355 {60, 0x00b33, 0x0126e, 0x26014, 0x30280}, 356 {64, 0x00b33, 0x0126f, 0x26014, 0x30282}, 357 358 {100, 0x00b33, 0x0128a, 0x2e014, 0x30280}, 359 {104, 0x00b33, 0x0128b, 0x2e014, 0x30282}, 360 {108, 0x00b33, 0x0128c, 0x2e014, 0x30284}, 361 {112, 0x00b33, 0x0128d, 0x2e014, 0x30286}, 362 {116, 0x00b33, 0x0128e, 0x2e014, 0x30288}, 363 {120, 0x00b33, 0x012a0, 0x2e014, 0x30280}, 364 {124, 0x00b33, 0x012a1, 0x2e014, 0x30282}, 365 {128, 0x00b33, 0x012a2, 0x2e014, 0x30284}, 366 {132, 0x00b33, 0x012a3, 0x2e014, 0x30286}, 367 {136, 0x00b33, 0x012a4, 0x2e014, 0x30288}, 368 {140, 0x00b33, 0x012a6, 0x2e014, 0x30280}, 369 370 {149, 0x00b33, 0x012a8, 0x2e014, 0x30287}, 371 {153, 0x00b33, 0x012a9, 0x2e014, 0x30289}, 372 {157, 0x00b33, 0x012ab, 0x2e014, 0x30281}, 373 {161, 0x00b33, 0x012ac, 0x2e014, 0x30283}, 374 {165, 0x00b33, 0x012ad, 0x2e014, 0x30285} 375}; 376 377static const struct usb2_config rum_config[RUM_N_TRANSFER] = { 378 [0] = { 379 .type = UE_BULK, 380 .endpoint = UE_ADDR_ANY, 381 .direction = UE_DIR_OUT, 382 .mh.bufsize = (MCLBYTES + RT2573_TX_DESC_SIZE + 8), 383 .mh.flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 384 .mh.callback = &rum_bulk_write_callback, 385 .mh.timeout = 5000, /* ms */ 386 }, 387 388 [1] = { 389 .type = UE_BULK, 390 .endpoint = UE_ADDR_ANY, 391 .direction = UE_DIR_IN, 392 .mh.bufsize = (MCLBYTES + RT2573_RX_DESC_SIZE), 393 .mh.flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 394 .mh.callback = &rum_bulk_read_callback, 395 }, 396 397 [2] = { 398 .type = UE_CONTROL, 399 .endpoint = 0x00, /* Control pipe */ 400 .direction = UE_DIR_ANY, 401 .mh.bufsize = sizeof(struct usb2_device_request), 402 .mh.callback = &rum_bulk_write_clear_stall_callback, 403 .mh.timeout = 1000, /* 1 second */ 404 .mh.interval = 50, /* 50ms */ 405 }, 406 407 [3] = { 408 .type = UE_CONTROL, 409 .endpoint = 0x00, /* Control pipe */ 410 .direction = UE_DIR_ANY, 411 .mh.bufsize = sizeof(struct usb2_device_request), 412 .mh.callback = &rum_bulk_read_clear_stall_callback, 413 .mh.timeout = 1000, /* 1 second */ 414 .mh.interval = 50, /* 50ms */ 415 }, 416}; 417 418static devclass_t rum_devclass; 419 420static device_method_t rum_methods[] = { 421 DEVMETHOD(device_probe, rum_probe), 422 DEVMETHOD(device_attach, rum_attach), 423 DEVMETHOD(device_detach, rum_detach), 424 {0, 0} 425}; 426 427static driver_t rum_driver = { 428 .name = "rum", 429 .methods = rum_methods, 430 .size = sizeof(struct rum_softc), 431}; 432 433DRIVER_MODULE(rum, ushub, rum_driver, rum_devclass, NULL, 0); 434MODULE_DEPEND(rum, usb2_wlan, 1, 1, 1); 435MODULE_DEPEND(rum, usb2_core, 1, 1, 1); 436MODULE_DEPEND(rum, wlan, 1, 1, 1); 437MODULE_DEPEND(rum, wlan_amrr, 1, 1, 1); 438 439static int 440rum_probe(device_t dev) 441{ 442 struct usb2_attach_arg *uaa = device_get_ivars(dev); 443 444 if (uaa->usb2_mode != USB_MODE_HOST) { 445 return (ENXIO); 446 } 447 if (uaa->info.bConfigIndex != 0) { 448 return (ENXIO); 449 } 450 if (uaa->info.bIfaceIndex != RT2573_IFACE_INDEX) { 451 return (ENXIO); 452 } 453 return (usb2_lookup_id_by_uaa(rum_devs, sizeof(rum_devs), uaa)); 454} 455 456static int 457rum_attach(device_t dev) 458{ 459 struct usb2_attach_arg *uaa = device_get_ivars(dev); 460 struct rum_softc *sc = device_get_softc(dev); 461 int error; 462 uint8_t iface_index; 463 464 if (sc == NULL) { 465 return (ENOMEM); 466 } 467 device_set_usb2_desc(dev); 468 469 mtx_init(&sc->sc_mtx, "rum lock", MTX_NETWORK_LOCK, 470 MTX_DEF | MTX_RECURSE); 471 472 snprintf(sc->sc_name, sizeof(sc->sc_name), "%s", 473 device_get_nameunit(dev)); 474 475 sc->sc_udev = uaa->device; 476 sc->sc_unit = device_get_unit(dev); 477 478 usb2_callout_init_mtx(&sc->sc_watchdog, &sc->sc_mtx, 0); 479 480 iface_index = RT2573_IFACE_INDEX; 481 error = usb2_transfer_setup(uaa->device, &iface_index, 482 sc->sc_xfer, rum_config, RUM_N_TRANSFER, sc, &sc->sc_mtx); 483 if (error) { 484 device_printf(dev, "could not allocate USB transfers, " 485 "err=%s\n", usb2_errstr(error)); 486 goto detach; 487 } 488 error = usb2_config_td_setup(&sc->sc_config_td, sc, &sc->sc_mtx, 489 &rum_end_of_commands, 490 sizeof(struct usb2_config_td_cc), 24); 491 if (error) { 492 device_printf(dev, "could not setup config " 493 "thread!\n"); 494 goto detach; 495 } 496 mtx_lock(&sc->sc_mtx); 497 498 /* start setup */ 499 500 usb2_config_td_queue_command 501 (&sc->sc_config_td, NULL, &rum_cfg_first_time_setup, 0, 0); 502 503 rum_watchdog(sc); 504 mtx_unlock(&sc->sc_mtx); 505 return (0); /* success */ 506 507detach: 508 rum_detach(dev); 509 return (ENXIO); /* failure */ 510} 511 512static int 513rum_detach(device_t dev) 514{ 515 struct rum_softc *sc = device_get_softc(dev); 516 struct ieee80211com *ic; 517 struct ifnet *ifp; 518 519 usb2_config_td_drain(&sc->sc_config_td); 520 521 mtx_lock(&sc->sc_mtx); 522 523 usb2_callout_stop(&sc->sc_watchdog); 524 525 rum_cfg_pre_stop(sc, NULL, 0); 526 527 ifp = sc->sc_ifp; 528 ic = ifp->if_l2com; 529 530 mtx_unlock(&sc->sc_mtx); 531 532 /* stop all USB transfers first */ 533 usb2_transfer_unsetup(sc->sc_xfer, RUM_N_TRANSFER); 534 535 /* get rid of any late children */ 536 bus_generic_detach(dev); 537 538 if (ifp) { 539 bpfdetach(ifp); 540 ieee80211_ifdetach(ic); 541 if_free(ifp); 542 } 543 usb2_config_td_unsetup(&sc->sc_config_td); 544 545 usb2_callout_drain(&sc->sc_watchdog); 546 547 mtx_destroy(&sc->sc_mtx); 548 549 return (0); 550} 551 552static void 553rum_cfg_do_request(struct rum_softc *sc, struct usb2_device_request *req, 554 void *data) 555{ 556 uint16_t length; 557 usb2_error_t err; 558 559repeat: 560 561 if (usb2_config_td_is_gone(&sc->sc_config_td)) { 562 goto error; 563 } 564 err = usb2_do_request_flags 565 (sc->sc_udev, &sc->sc_mtx, req, data, 0, NULL, 1000); 566 567 if (err) { 568 569 DPRINTF("device request failed, err=%s " 570 "(ignored)\n", usb2_errstr(err)); 571 572 /* wait a little before next try */ 573 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 4)) { 574 goto error; 575 } 576 /* try until we are detached */ 577 goto repeat; 578 579error: 580 /* the device has been detached */ 581 length = UGETW(req->wLength); 582 583 if ((req->bmRequestType & UT_READ) && length) { 584 bzero(data, length); 585 } 586 } 587} 588 589static void 590rum_cfg_eeprom_read(struct rum_softc *sc, uint16_t addr, void *buf, uint16_t len) 591{ 592 struct usb2_device_request req; 593 594 req.bmRequestType = UT_READ_VENDOR_DEVICE; 595 req.bRequest = RT2573_READ_EEPROM; 596 USETW(req.wValue, 0); 597 USETW(req.wIndex, addr); 598 USETW(req.wLength, len); 599 600 rum_cfg_do_request(sc, &req, buf); 601} 602 603static uint16_t 604rum_cfg_eeprom_read_2(struct rum_softc *sc, uint16_t addr) 605{ 606 uint16_t tmp; 607 608 rum_cfg_eeprom_read(sc, addr, &tmp, sizeof(tmp)); 609 return (le16toh(tmp)); 610} 611 612static uint32_t 613rum_cfg_read(struct rum_softc *sc, uint16_t reg) 614{ 615 uint32_t val; 616 617 rum_cfg_read_multi(sc, reg, &val, sizeof(val)); 618 return (le32toh(val)); 619} 620 621static void 622rum_cfg_read_multi(struct rum_softc *sc, uint16_t reg, void *buf, uint16_t len) 623{ 624 struct usb2_device_request req; 625 626 req.bmRequestType = UT_READ_VENDOR_DEVICE; 627 req.bRequest = RT2573_READ_MULTI_MAC; 628 USETW(req.wValue, 0); 629 USETW(req.wIndex, reg); 630 USETW(req.wLength, len); 631 632 rum_cfg_do_request(sc, &req, buf); 633} 634 635static void 636rum_cfg_write(struct rum_softc *sc, uint16_t reg, uint32_t val) 637{ 638 uint32_t tmp = htole32(val); 639 640 rum_cfg_write_multi(sc, reg, &tmp, sizeof(tmp)); 641} 642 643static void 644rum_cfg_write_multi(struct rum_softc *sc, uint16_t reg, void *buf, uint16_t len) 645{ 646 struct usb2_device_request req; 647 648 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 649 req.bRequest = RT2573_WRITE_MULTI_MAC; 650 USETW(req.wValue, 0); 651 USETW(req.wIndex, reg); 652 USETW(req.wLength, len); 653 654 rum_cfg_do_request(sc, &req, buf); 655} 656 657static uint32_t 658rum_cfg_bbp_disbusy(struct rum_softc *sc) 659{ 660 uint32_t tmp; 661 uint8_t to; 662 663 for (to = 0;; to++) { 664 if (to < 100) { 665 tmp = rum_cfg_read(sc, RT2573_PHY_CSR3); 666 667 if ((tmp & RT2573_BBP_BUSY) == 0) { 668 return (tmp); 669 } 670 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 671 break; 672 } 673 } else { 674 break; 675 } 676 } 677 DPRINTF("could not disbusy BBP\n"); 678 return (RT2573_BBP_BUSY); /* failure */ 679} 680 681static void 682rum_cfg_bbp_write(struct rum_softc *sc, uint8_t reg, uint8_t val) 683{ 684 uint32_t tmp; 685 686 if (rum_cfg_bbp_disbusy(sc) & RT2573_BBP_BUSY) { 687 return; 688 } 689 tmp = RT2573_BBP_BUSY | ((reg & 0x7f) << 8) | val; 690 rum_cfg_write(sc, RT2573_PHY_CSR3, tmp); 691} 692 693static uint8_t 694rum_cfg_bbp_read(struct rum_softc *sc, uint8_t reg) 695{ 696 uint32_t val; 697 698 if (rum_cfg_bbp_disbusy(sc) & RT2573_BBP_BUSY) { 699 return (0); 700 } 701 val = RT2573_BBP_BUSY | RT2573_BBP_READ | (reg << 8); 702 rum_cfg_write(sc, RT2573_PHY_CSR3, val); 703 704 val = rum_cfg_bbp_disbusy(sc); 705 return (val & 0xff); 706} 707 708static void 709rum_cfg_rf_write(struct rum_softc *sc, uint8_t reg, uint32_t val) 710{ 711 uint32_t tmp; 712 uint8_t to; 713 714 reg &= 3; 715 716 for (to = 0;; to++) { 717 if (to < 100) { 718 tmp = rum_cfg_read(sc, RT2573_PHY_CSR4); 719 if (!(tmp & RT2573_RF_BUSY)) { 720 break; 721 } 722 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 723 return; 724 } 725 } else { 726 DPRINTF("could not write to RF\n"); 727 return; 728 } 729 } 730 731 tmp = RT2573_RF_BUSY | RT2573_RF_20BIT | ((val & 0xfffff) << 2) | reg; 732 rum_cfg_write(sc, RT2573_PHY_CSR4, tmp); 733 734 DPRINTFN(16, "RF R[%u] <- 0x%05x\n", reg, val & 0xfffff); 735} 736 737static void 738rum_cfg_first_time_setup(struct rum_softc *sc, 739 struct usb2_config_td_cc *cc, uint16_t refcount) 740{ 741 struct ieee80211com *ic; 742 struct ifnet *ifp; 743 uint32_t tmp; 744 uint16_t i; 745 uint8_t bands; 746 747 /* setup RX tap header */ 748 sc->sc_rxtap_len = sizeof(sc->sc_rxtap); 749 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 750 sc->sc_rxtap.wr_ihdr.it_present = htole32(RT2573_RX_RADIOTAP_PRESENT); 751 752 /* setup TX tap header */ 753 sc->sc_txtap_len = sizeof(sc->sc_txtap); 754 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 755 sc->sc_txtap.wt_ihdr.it_present = htole32(RT2573_TX_RADIOTAP_PRESENT); 756 757 /* retrieve RT2573 rev. no */ 758 for (i = 0; i < 100; i++) { 759 760 tmp = rum_cfg_read(sc, RT2573_MAC_CSR0); 761 if (tmp != 0) { 762 break; 763 } 764 /* wait a little */ 765 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 766 /* device detached */ 767 goto done; 768 } 769 } 770 771 if (tmp == 0) { 772 DPRINTF("chip is maybe not ready\n"); 773 } 774 /* retrieve MAC address and various other things from EEPROM */ 775 rum_cfg_read_eeprom(sc); 776 777 printf("%s: MAC/BBP RT2573 (rev 0x%05x), RF %s\n", 778 sc->sc_name, tmp, rum_get_rf(sc->sc_rf_rev)); 779 780 rum_cfg_load_microcode(sc, rt2573_ucode, sizeof(rt2573_ucode)); 781 782 mtx_unlock(&sc->sc_mtx); 783 784 ifp = if_alloc(IFT_IEEE80211); 785 786 mtx_lock(&sc->sc_mtx); 787 788 if (ifp == NULL) { 789 DPRINTFN(0, "could not if_alloc()!\n"); 790 goto done; 791 } 792 sc->sc_evilhack = ifp; 793 sc->sc_ifp = ifp; 794 ic = ifp->if_l2com; 795 796 ifp->if_softc = sc; 797 if_initname(ifp, "rum", sc->sc_unit); 798 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 799 ifp->if_init = &rum_init_cb; 800 ifp->if_ioctl = &rum_ioctl_cb; 801 ifp->if_start = &rum_start_cb; 802 ifp->if_watchdog = NULL; 803 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 804 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN; 805 IFQ_SET_READY(&ifp->if_snd); 806 807 bcopy(sc->sc_myaddr, ic->ic_myaddr, sizeof(ic->ic_myaddr)); 808 809 ic->ic_ifp = ifp; 810 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 811 ic->ic_opmode = IEEE80211_M_STA; 812 813 /* set device capabilities */ 814 ic->ic_caps = 815 IEEE80211_C_STA /* station mode supported */ 816 | IEEE80211_C_IBSS /* IBSS mode supported */ 817 | IEEE80211_C_MONITOR /* monitor mode supported */ 818 | IEEE80211_C_HOSTAP /* HostAp mode supported */ 819 | IEEE80211_C_TXPMGT /* tx power management */ 820 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 821 | IEEE80211_C_SHSLOT /* short slot time supported */ 822 | IEEE80211_C_BGSCAN /* bg scanning supported */ 823 | IEEE80211_C_WPA /* 802.11i */ 824 ; 825 826 bands = 0; 827 setbit(&bands, IEEE80211_MODE_11B); 828 setbit(&bands, IEEE80211_MODE_11G); 829 ieee80211_init_channels(ic, NULL, &bands); 830 831 if ((sc->sc_rf_rev == RT2573_RF_5225) || 832 (sc->sc_rf_rev == RT2573_RF_5226)) { 833 834 struct ieee80211_channel *c; 835 836 /* set supported .11a channels */ 837 for (i = 34; i <= 46; i += 4) { 838 c = ic->ic_channels + (ic->ic_nchans++); 839 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 840 c->ic_flags = IEEE80211_CHAN_A; 841 c->ic_ieee = i; 842 } 843 for (i = 36; i <= 64; i += 4) { 844 c = ic->ic_channels + (ic->ic_nchans++); 845 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 846 c->ic_flags = IEEE80211_CHAN_A; 847 c->ic_ieee = i; 848 } 849 for (i = 100; i <= 140; i += 4) { 850 c = ic->ic_channels + (ic->ic_nchans++); 851 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 852 c->ic_flags = IEEE80211_CHAN_A; 853 c->ic_ieee = i; 854 } 855 for (i = 149; i <= 165; i += 4) { 856 c = ic->ic_channels + (ic->ic_nchans++); 857 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 858 c->ic_flags = IEEE80211_CHAN_A; 859 c->ic_ieee = i; 860 } 861 } 862 mtx_unlock(&sc->sc_mtx); 863 864 ieee80211_ifattach(ic); 865 866 mtx_lock(&sc->sc_mtx); 867 868 ic->ic_newassoc = &rum_newassoc; 869 ic->ic_raw_xmit = &rum_raw_xmit_cb; 870 ic->ic_node_alloc = &rum_node_alloc; 871 ic->ic_update_mcast = &rum_update_mcast_cb; 872 ic->ic_update_promisc = &rum_update_promisc_cb; 873 ic->ic_scan_start = &rum_scan_start_cb; 874 ic->ic_scan_end = &rum_scan_end_cb; 875 ic->ic_set_channel = &rum_set_channel_cb; 876 ic->ic_vap_create = &rum_vap_create; 877 ic->ic_vap_delete = &rum_vap_delete; 878 879 sc->sc_rates = ieee80211_get_ratetable(ic->ic_curchan); 880 881 mtx_unlock(&sc->sc_mtx); 882 883 bpfattach(ifp, DLT_IEEE802_11_RADIO, 884 sizeof(struct ieee80211_frame) + sizeof(sc->sc_txtap)); 885 886 if (bootverbose) { 887 ieee80211_announce(ic); 888 } 889 mtx_lock(&sc->sc_mtx); 890done: 891 return; 892} 893 894static void 895rum_end_of_commands(struct rum_softc *sc) 896{ 897 sc->sc_flags &= ~RUM_FLAG_WAIT_COMMAND; 898 899 /* start write transfer, if not started */ 900 usb2_transfer_start(sc->sc_xfer[0]); 901} 902 903static void 904rum_config_copy_chan(struct rum_config_copy_chan *cc, 905 struct ieee80211com *ic, struct ieee80211_channel *c) 906{ 907 if (!c) 908 return; 909 cc->chan_to_ieee = 910 ieee80211_chan2ieee(ic, c); 911 if (c != IEEE80211_CHAN_ANYC) { 912 cc->chan_to_mode = 913 ieee80211_chan2mode(c); 914 if (IEEE80211_IS_CHAN_B(c)) 915 cc->chan_is_b = 1; 916 if (IEEE80211_IS_CHAN_A(c)) 917 cc->chan_is_a = 1; 918 if (IEEE80211_IS_CHAN_2GHZ(c)) 919 cc->chan_is_2ghz = 1; 920 if (IEEE80211_IS_CHAN_5GHZ(c)) 921 cc->chan_is_5ghz = 1; 922 if (IEEE80211_IS_CHAN_ANYG(c)) 923 cc->chan_is_g = 1; 924 } 925} 926 927static void 928rum_config_copy(struct rum_softc *sc, 929 struct usb2_config_td_cc *cc, uint16_t refcount) 930{ 931 struct ifnet *ifp; 932 struct ieee80211com *ic; 933 struct ieee80211_node *ni; 934 struct ieee80211vap *vap; 935 const struct ieee80211_txparam *tp; 936 937 bzero(cc, sizeof(*cc)); 938 939 ifp = sc->sc_ifp; 940 if (ifp) { 941 cc->if_flags = ifp->if_flags; 942 bcopy(ifp->if_broadcastaddr, cc->if_broadcastaddr, 943 sizeof(cc->if_broadcastaddr)); 944 945 ic = ifp->if_l2com; 946 if (ic) { 947 rum_config_copy_chan(&cc->ic_curchan, ic, ic->ic_curchan); 948 rum_config_copy_chan(&cc->ic_bsschan, ic, ic->ic_bsschan); 949 vap = TAILQ_FIRST(&ic->ic_vaps); 950 if (vap) { 951 ni = vap->iv_bss; 952 if (ni) { 953 cc->iv_bss.ni_intval = ni->ni_intval; 954 bcopy(ni->ni_bssid, cc->iv_bss.ni_bssid, 955 sizeof(cc->iv_bss.ni_bssid)); 956 } 957 tp = vap->iv_txparms + cc->ic_bsschan.chan_to_mode; 958 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) { 959 cc->iv_bss.fixed_rate_none = 1; 960 } 961 } 962 cc->ic_opmode = ic->ic_opmode; 963 cc->ic_flags = ic->ic_flags; 964 cc->ic_txpowlimit = ic->ic_txpowlimit; 965 cc->ic_curmode = ic->ic_curmode; 966 967 bcopy(ic->ic_myaddr, cc->ic_myaddr, 968 sizeof(cc->ic_myaddr)); 969 } 970 } 971 sc->sc_flags |= RUM_FLAG_WAIT_COMMAND; 972} 973 974static const char * 975rum_get_rf(uint32_t rev) 976{ 977 ; /* indent fix */ 978 switch (rev) { 979 case RT2573_RF_2527: 980 return "RT2527 (MIMO XR)"; 981 case RT2573_RF_2528: 982 return "RT2528"; 983 case RT2573_RF_5225: 984 return "RT5225 (MIMO XR)"; 985 case RT2573_RF_5226: 986 return "RT5226"; 987 default: 988 return "unknown"; 989 } 990} 991 992static void 993rum_bulk_read_callback(struct usb2_xfer *xfer) 994{ 995 struct rum_softc *sc = xfer->priv_sc; 996 struct ifnet *ifp = sc->sc_ifp; 997 struct ieee80211com *ic = ifp->if_l2com; 998 struct ieee80211_node *ni; 999 1000 struct mbuf *m = NULL; 1001 uint32_t flags; 1002 uint32_t max_len; 1003 uint8_t rssi = 0; 1004 1005 switch (USB_GET_STATE(xfer)) { 1006 case USB_ST_TRANSFERRED: 1007 1008 DPRINTFN(15, "rx done, actlen=%d\n", xfer->actlen); 1009 1010 if (xfer->actlen < (RT2573_RX_DESC_SIZE + IEEE80211_MIN_LEN)) { 1011 DPRINTF("too short transfer, " 1012 "%d bytes\n", xfer->actlen); 1013 ifp->if_ierrors++; 1014 goto tr_setup; 1015 } 1016 usb2_copy_out(xfer->frbuffers, 0, 1017 &sc->sc_rx_desc, RT2573_RX_DESC_SIZE); 1018 1019 flags = le32toh(sc->sc_rx_desc.flags); 1020 1021 if (flags & RT2573_RX_CRC_ERROR) { 1022 /* 1023 * This should not happen since we did not 1024 * request to receive those frames when we 1025 * filled RAL_TXRX_CSR2: 1026 */ 1027 DPRINTFN(6, "PHY or CRC error\n"); 1028 ifp->if_ierrors++; 1029 goto tr_setup; 1030 } 1031 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1032 1033 if (m == NULL) { 1034 DPRINTF("could not allocate mbuf\n"); 1035 ifp->if_ierrors++; 1036 goto tr_setup; 1037 } 1038 max_len = (xfer->actlen - RT2573_RX_DESC_SIZE); 1039 1040 usb2_copy_out(xfer->frbuffers, RT2573_RX_DESC_SIZE, 1041 m->m_data, max_len); 1042 1043 /* finalize mbuf */ 1044 m->m_pkthdr.rcvif = ifp; 1045 m->m_pkthdr.len = m->m_len = (flags >> 16) & 0xfff; 1046 1047 if (m->m_len > max_len) { 1048 DPRINTF("invalid length in RX " 1049 "descriptor, %u bytes, received %u bytes\n", 1050 m->m_len, max_len); 1051 ifp->if_ierrors++; 1052 m_freem(m); 1053 m = NULL; 1054 goto tr_setup; 1055 } 1056 rssi = rum_get_rssi(sc, sc->sc_rx_desc.rssi); 1057 1058 DPRINTF("real length=%d bytes, rssi=%d\n", m->m_len, rssi); 1059 1060 if (bpf_peers_present(ifp->if_bpf)) { 1061 struct rum_rx_radiotap_header *tap = &sc->sc_rxtap; 1062 1063 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1064 tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate, 1065 (sc->sc_rx_desc.flags & htole32(RT2573_RX_OFDM)) ? 1066 IEEE80211_T_OFDM : IEEE80211_T_CCK); 1067 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1068 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1069 tap->wr_antenna = sc->sc_rx_ant; 1070 tap->wr_antsignal = rssi; 1071 1072 bpf_mtap2(ifp->if_bpf, tap, sc->sc_rxtap_len, m); 1073 } 1074 case USB_ST_SETUP: 1075tr_setup: 1076 1077 if (sc->sc_flags & RUM_FLAG_READ_STALL) { 1078 usb2_transfer_start(sc->sc_xfer[3]); 1079 } else { 1080 xfer->frlengths[0] = xfer->max_data_length; 1081 usb2_start_hardware(xfer); 1082 } 1083 1084 /* 1085 * At the end of a USB callback it is always safe to unlock 1086 * the private mutex of a device! That is why we do the 1087 * "ieee80211_input" here, and not some lines up! 1088 */ 1089 if (m) { 1090 mtx_unlock(&sc->sc_mtx); 1091 1092 ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *)); 1093 if (ni != NULL) { 1094 if (ieee80211_input(ni, m, rssi, RT2573_NOISE_FLOOR, 0)) { 1095 /* ignore */ 1096 } 1097 /* node is no longer needed */ 1098 ieee80211_free_node(ni); 1099 } else { 1100 if (ieee80211_input_all(ic, m, rssi, RT2573_NOISE_FLOOR, 0)) { 1101 /* ignore */ 1102 } 1103 } 1104 1105 mtx_lock(&sc->sc_mtx); 1106 } 1107 return; 1108 1109 default: /* Error */ 1110 if (xfer->error != USB_ERR_CANCELLED) { 1111 /* try to clear stall first */ 1112 sc->sc_flags |= RUM_FLAG_READ_STALL; 1113 usb2_transfer_start(sc->sc_xfer[3]); 1114 } 1115 return; 1116 1117 } 1118} 1119 1120static void 1121rum_bulk_read_clear_stall_callback(struct usb2_xfer *xfer) 1122{ 1123 struct rum_softc *sc = xfer->priv_sc; 1124 struct usb2_xfer *xfer_other = sc->sc_xfer[1]; 1125 1126 if (usb2_clear_stall_callback(xfer, xfer_other)) { 1127 DPRINTF("stall cleared\n"); 1128 sc->sc_flags &= ~RUM_FLAG_READ_STALL; 1129 usb2_transfer_start(xfer_other); 1130 } 1131} 1132 1133static uint8_t 1134rum_plcp_signal(uint16_t rate) 1135{ 1136 ; /* indent fix */ 1137 switch (rate) { 1138 /* CCK rates (NB: not IEEE std, device-specific) */ 1139 case 2: 1140 return (0x0); 1141 case 4: 1142 return (0x1); 1143 case 11: 1144 return (0x2); 1145 case 22: 1146 return (0x3); 1147 1148 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1149 case 12: 1150 return (0xb); 1151 case 18: 1152 return (0xf); 1153 case 24: 1154 return (0xa); 1155 case 36: 1156 return (0xe); 1157 case 48: 1158 return (0x9); 1159 case 72: 1160 return (0xd); 1161 case 96: 1162 return (0x8); 1163 case 108: 1164 return (0xc); 1165 1166 /* XXX unsupported/unknown rate */ 1167 default: 1168 return (0xff); 1169 } 1170} 1171 1172/* 1173 * We assume that "m->m_pkthdr.rcvif" is pointing to the "ni" that 1174 * should be freed, when "rum_setup_desc_and_tx" is called. 1175 */ 1176 1177static void 1178rum_setup_desc_and_tx(struct rum_softc *sc, struct mbuf *m, uint32_t flags, 1179 uint16_t xflags, uint16_t rate) 1180{ 1181 struct ifnet *ifp = sc->sc_ifp; 1182 struct ieee80211com *ic = ifp->if_l2com; 1183 struct mbuf *mm; 1184 enum ieee80211_phytype phytype; 1185 uint16_t plcp_length; 1186 uint16_t len; 1187 uint8_t remainder; 1188 uint8_t is_beacon; 1189 1190 if (xflags & RT2573_TX_BEACON) { 1191 xflags &= ~RT2573_TX_BEACON; 1192 is_beacon = 1; 1193 } else { 1194 is_beacon = 0; 1195 } 1196 1197 if (sc->sc_tx_queue.ifq_len >= IFQ_MAXLEN) { 1198 /* free packet */ 1199 rum_tx_freem(m); 1200 ifp->if_oerrors++; 1201 return; 1202 } 1203 if (!((sc->sc_flags & RUM_FLAG_LL_READY) && 1204 (sc->sc_flags & RUM_FLAG_HL_READY))) { 1205 /* free packet */ 1206 rum_tx_freem(m); 1207 ifp->if_oerrors++; 1208 return; 1209 } 1210 if (rate < 2) { 1211 DPRINTF("rate < 2!\n"); 1212 1213 /* avoid division by zero */ 1214 rate = 2; 1215 } 1216 ic->ic_lastdata = ticks; 1217 if (bpf_peers_present(ifp->if_bpf)) { 1218 struct rum_tx_radiotap_header *tap = &sc->sc_txtap; 1219 1220 tap->wt_flags = 0; 1221 tap->wt_rate = rate; 1222 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 1223 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 1224 tap->wt_antenna = sc->sc_tx_ant; 1225 1226 bpf_mtap2(ifp->if_bpf, tap, sc->sc_txtap_len, m); 1227 } 1228 len = m->m_pkthdr.len; 1229 1230 flags |= RT2573_TX_VALID; 1231 flags |= (len << 16); 1232 1233 sc->sc_tx_desc.flags = htole32(flags); 1234 sc->sc_tx_desc.xflags = htole16(xflags); 1235 1236 sc->sc_tx_desc.wme = htole16(RT2573_QID(0) | RT2573_AIFSN(2) | 1237 RT2573_LOGCWMIN(4) | RT2573_LOGCWMAX(10)); 1238 1239 /* setup PLCP fields */ 1240 sc->sc_tx_desc.plcp_signal = rum_plcp_signal(rate); 1241 sc->sc_tx_desc.plcp_service = 4; 1242 1243 len += IEEE80211_CRC_LEN; 1244 1245 phytype = ieee80211_rate2phytype(sc->sc_rates, rate); 1246 1247 if (phytype == IEEE80211_T_OFDM) { 1248 sc->sc_tx_desc.flags |= htole32(RT2573_TX_OFDM); 1249 1250 plcp_length = (len & 0xfff); 1251 sc->sc_tx_desc.plcp_length_hi = plcp_length >> 6; 1252 sc->sc_tx_desc.plcp_length_lo = plcp_length & 0x3f; 1253 } else { 1254 plcp_length = ((16 * len) + rate - 1) / rate; 1255 if (rate == 22) { 1256 remainder = (16 * len) % 22; 1257 if ((remainder != 0) && (remainder < 7)) { 1258 sc->sc_tx_desc.plcp_service |= 1259 RT2573_PLCP_LENGEXT; 1260 } 1261 } 1262 sc->sc_tx_desc.plcp_length_hi = plcp_length >> 8; 1263 sc->sc_tx_desc.plcp_length_lo = plcp_length & 0xff; 1264 1265 if ((rate != 2) && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) { 1266 sc->sc_tx_desc.plcp_signal |= 0x08; 1267 } 1268 } 1269 1270 if (sizeof(sc->sc_tx_desc) > MHLEN) { 1271 DPRINTF("No room for header structure!\n"); 1272 rum_tx_freem(m); 1273 return; 1274 } 1275 mm = m_gethdr(M_NOWAIT, MT_DATA); 1276 if (mm == NULL) { 1277 DPRINTF("Could not allocate header mbuf!\n"); 1278 rum_tx_freem(m); 1279 return; 1280 } 1281 bcopy(&sc->sc_tx_desc, mm->m_data, sizeof(sc->sc_tx_desc)); 1282 mm->m_len = sizeof(sc->sc_tx_desc); 1283 mm->m_next = m; 1284 mm->m_pkthdr.len = mm->m_len + m->m_pkthdr.len; 1285 mm->m_pkthdr.rcvif = NULL; 1286 1287 if (is_beacon) { 1288 1289 if (mm->m_pkthdr.len > sizeof(sc->sc_beacon_buf)) { 1290 DPRINTFN(0, "Truncating beacon" 1291 ", %u bytes!\n", mm->m_pkthdr.len); 1292 mm->m_pkthdr.len = sizeof(sc->sc_beacon_buf); 1293 } 1294 m_copydata(mm, 0, mm->m_pkthdr.len, sc->sc_beacon_buf); 1295 1296 /* copy the first 24 bytes of Tx descriptor into NIC memory */ 1297 rum_cfg_write_multi(sc, RT2573_HW_BEACON_BASE0, 1298 sc->sc_beacon_buf, mm->m_pkthdr.len); 1299 rum_tx_freem(mm); 1300 return; 1301 } 1302 /* start write transfer, if not started */ 1303 _IF_ENQUEUE(&sc->sc_tx_queue, mm); 1304 1305 usb2_transfer_start(sc->sc_xfer[0]); 1306} 1307 1308static void 1309rum_bulk_write_callback(struct usb2_xfer *xfer) 1310{ 1311 struct rum_softc *sc = xfer->priv_sc; 1312 struct ifnet *ifp = sc->sc_ifp; 1313 struct mbuf *m; 1314 uint16_t temp_len; 1315 uint8_t align; 1316 1317 switch (USB_GET_STATE(xfer)) { 1318 case USB_ST_TRANSFERRED: 1319 DPRINTFN(11, "transfer complete\n"); 1320 1321 ifp->if_opackets++; 1322 1323 case USB_ST_SETUP: 1324 if (sc->sc_flags & RUM_FLAG_WRITE_STALL) { 1325 usb2_transfer_start(sc->sc_xfer[2]); 1326 break; 1327 } 1328 if (sc->sc_flags & RUM_FLAG_WAIT_COMMAND) { 1329 /* 1330 * don't send anything while a command is pending ! 1331 */ 1332 break; 1333 } 1334 rum_fill_write_queue(sc); 1335 1336 _IF_DEQUEUE(&sc->sc_tx_queue, m); 1337 1338 if (m) { 1339 1340 if (m->m_pkthdr.len > (MCLBYTES + RT2573_TX_DESC_SIZE)) { 1341 DPRINTFN(0, "data overflow, %u bytes\n", 1342 m->m_pkthdr.len); 1343 m->m_pkthdr.len = (MCLBYTES + RT2573_TX_DESC_SIZE); 1344 } 1345 usb2_m_copy_in(xfer->frbuffers, 0, 1346 m, 0, m->m_pkthdr.len); 1347 1348 /* compute transfer length */ 1349 temp_len = m->m_pkthdr.len; 1350 1351 /* make transfer length 32-bit aligned */ 1352 align = (-(temp_len)) & 3; 1353 1354 /* check if we need to add four extra bytes */ 1355 if (((temp_len + align) % 64) == 0) { 1356 align += 4; 1357 } 1358 /* check if we need to align length */ 1359 if (align != 0) { 1360 /* zero the extra bytes */ 1361 usb2_bzero(xfer->frbuffers, temp_len, align); 1362 temp_len += align; 1363 } 1364 DPRINTFN(11, "sending frame len=%u ferlen=%u\n", 1365 m->m_pkthdr.len, temp_len); 1366 1367 xfer->frlengths[0] = temp_len; 1368 usb2_start_hardware(xfer); 1369 1370 /* free mbuf and node */ 1371 rum_tx_freem(m); 1372 1373 } 1374 break; 1375 1376 default: /* Error */ 1377 DPRINTFN(11, "transfer error, %s\n", 1378 usb2_errstr(xfer->error)); 1379 1380 if (xfer->error != USB_ERR_CANCELLED) { 1381 /* try to clear stall first */ 1382 sc->sc_flags |= RUM_FLAG_WRITE_STALL; 1383 usb2_transfer_start(sc->sc_xfer[2]); 1384 } 1385 ifp->if_oerrors++; 1386 break; 1387 } 1388} 1389 1390static void 1391rum_bulk_write_clear_stall_callback(struct usb2_xfer *xfer) 1392{ 1393 struct rum_softc *sc = xfer->priv_sc; 1394 struct usb2_xfer *xfer_other = sc->sc_xfer[0]; 1395 1396 if (usb2_clear_stall_callback(xfer, xfer_other)) { 1397 DPRINTF("stall cleared\n"); 1398 sc->sc_flags &= ~RUM_FLAG_WRITE_STALL; 1399 usb2_transfer_start(xfer_other); 1400 } 1401} 1402 1403static void 1404rum_watchdog(void *arg) 1405{ 1406 struct rum_softc *sc = arg; 1407 1408 mtx_assert(&sc->sc_mtx, MA_OWNED); 1409 1410 if (sc->sc_amrr_timer) { 1411 usb2_config_td_queue_command 1412 (&sc->sc_config_td, NULL, 1413 &rum_cfg_amrr_timeout, 0, 0); 1414 } 1415 usb2_callout_reset(&sc->sc_watchdog, 1416 hz, &rum_watchdog, sc); 1417} 1418 1419static void 1420rum_init_cb(void *arg) 1421{ 1422 struct rum_softc *sc = arg; 1423 1424 mtx_lock(&sc->sc_mtx); 1425 usb2_config_td_queue_command 1426 (&sc->sc_config_td, &rum_cfg_pre_init, 1427 &rum_cfg_init, 0, 0); 1428 mtx_unlock(&sc->sc_mtx); 1429} 1430 1431static int 1432rum_ioctl_cb(struct ifnet *ifp, u_long cmd, caddr_t data) 1433{ 1434 struct rum_softc *sc = ifp->if_softc; 1435 struct ieee80211com *ic = ifp->if_l2com; 1436 int error; 1437 1438 switch (cmd) { 1439 case SIOCSIFFLAGS: 1440 mtx_lock(&sc->sc_mtx); 1441 if (ifp->if_flags & IFF_UP) { 1442 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1443 usb2_config_td_queue_command 1444 (&sc->sc_config_td, &rum_cfg_pre_init, 1445 &rum_cfg_init, 0, 0); 1446 } 1447 } else { 1448 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1449 usb2_config_td_queue_command 1450 (&sc->sc_config_td, &rum_cfg_pre_stop, 1451 &rum_cfg_stop, 0, 0); 1452 } 1453 } 1454 mtx_unlock(&sc->sc_mtx); 1455 error = 0; 1456 break; 1457 1458 case SIOCGIFMEDIA: 1459 case SIOCSIFMEDIA: 1460 error = ifmedia_ioctl(ifp, (void *)data, &ic->ic_media, cmd); 1461 break; 1462 1463 default: 1464 error = ether_ioctl(ifp, cmd, data); 1465 } 1466 return (error); 1467} 1468 1469static void 1470rum_start_cb(struct ifnet *ifp) 1471{ 1472 struct rum_softc *sc = ifp->if_softc; 1473 1474 mtx_lock(&sc->sc_mtx); 1475 /* start write transfer, if not started */ 1476 usb2_transfer_start(sc->sc_xfer[0]); 1477 mtx_unlock(&sc->sc_mtx); 1478} 1479 1480static void 1481rum_cfg_newstate(struct rum_softc *sc, 1482 struct usb2_config_td_cc *cc, uint16_t refcount) 1483{ 1484 struct ifnet *ifp = sc->sc_ifp; 1485 struct ieee80211com *ic = ifp->if_l2com; 1486 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1487 struct rum_vap *uvp = RUM_VAP(vap); 1488 enum ieee80211_state ostate; 1489 enum ieee80211_state nstate; 1490 int arg; 1491 1492 ostate = vap->iv_state; 1493 nstate = sc->sc_ns_state; 1494 arg = sc->sc_ns_arg; 1495 1496 if (ostate == IEEE80211_S_INIT) { 1497 /* We are leaving INIT. TSF sync should be off. */ 1498 rum_cfg_disable_tsf_sync(sc); 1499 } 1500 switch (nstate) { 1501 case IEEE80211_S_INIT: 1502 break; 1503 1504 case IEEE80211_S_RUN: 1505 rum_cfg_set_run(sc, cc); 1506 break; 1507 1508 default: 1509 break; 1510 } 1511 1512 mtx_unlock(&sc->sc_mtx); 1513 IEEE80211_LOCK(ic); 1514 uvp->newstate(vap, nstate, arg); 1515 if (vap->iv_newstate_cb != NULL) 1516 vap->iv_newstate_cb(vap, nstate, arg); 1517 IEEE80211_UNLOCK(ic); 1518 mtx_lock(&sc->sc_mtx); 1519} 1520 1521static int 1522rum_newstate_cb(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1523{ 1524 struct rum_vap *uvp = RUM_VAP(vap); 1525 struct ieee80211com *ic = vap->iv_ic; 1526 struct rum_softc *sc = ic->ic_ifp->if_softc; 1527 1528 DPRINTF("setting new state: %d\n", nstate); 1529 1530 /* Special case - cannot defer this call and cannot block ! */ 1531 if (nstate == IEEE80211_S_INIT) { 1532 /* stop timers */ 1533 mtx_lock(&sc->sc_mtx); 1534 sc->sc_amrr_timer = 0; 1535 mtx_unlock(&sc->sc_mtx); 1536 return (uvp->newstate(vap, nstate, arg)); 1537 } 1538 mtx_lock(&sc->sc_mtx); 1539 if (usb2_config_td_is_gone(&sc->sc_config_td)) { 1540 mtx_unlock(&sc->sc_mtx); 1541 return (0); /* nothing to do */ 1542 } 1543 /* store next state */ 1544 sc->sc_ns_state = nstate; 1545 sc->sc_ns_arg = arg; 1546 1547 /* stop timers */ 1548 sc->sc_amrr_timer = 0; 1549 1550 /* 1551 * USB configuration can only be done from the USB configuration 1552 * thread: 1553 */ 1554 usb2_config_td_queue_command 1555 (&sc->sc_config_td, &rum_config_copy, 1556 &rum_cfg_newstate, 0, 0); 1557 1558 mtx_unlock(&sc->sc_mtx); 1559 1560 return (EINPROGRESS); 1561} 1562 1563static void 1564rum_std_command(struct ieee80211com *ic, usb2_config_td_command_t *func) 1565{ 1566 struct rum_softc *sc = ic->ic_ifp->if_softc; 1567 1568 mtx_lock(&sc->sc_mtx); 1569 1570 sc->sc_rates = ieee80211_get_ratetable(ic->ic_curchan); 1571 1572 usb2_config_td_queue_command 1573 (&sc->sc_config_td, &rum_config_copy, func, 0, 0); 1574 1575 mtx_unlock(&sc->sc_mtx); 1576} 1577 1578static void 1579rum_scan_start_cb(struct ieee80211com *ic) 1580{ 1581 rum_std_command(ic, &rum_cfg_scan_start); 1582} 1583 1584static void 1585rum_scan_end_cb(struct ieee80211com *ic) 1586{ 1587 rum_std_command(ic, &rum_cfg_scan_end); 1588} 1589 1590static void 1591rum_set_channel_cb(struct ieee80211com *ic) 1592{ 1593 rum_std_command(ic, &rum_cfg_set_chan); 1594} 1595 1596static void 1597rum_cfg_scan_start(struct rum_softc *sc, 1598 struct usb2_config_td_cc *cc, uint16_t refcount) 1599{ 1600 /* abort TSF synchronization */ 1601 rum_cfg_disable_tsf_sync(sc); 1602 rum_cfg_set_bssid(sc, cc->if_broadcastaddr); 1603} 1604 1605static void 1606rum_cfg_scan_end(struct rum_softc *sc, 1607 struct usb2_config_td_cc *cc, uint16_t refcount) 1608{ 1609 /* enable TSF synchronization */ 1610 rum_cfg_enable_tsf_sync(sc, cc, 0); 1611 rum_cfg_set_bssid(sc, cc->iv_bss.ni_bssid); 1612} 1613 1614/* 1615 * Reprogram MAC/BBP to switch to a new band. Values taken from the reference 1616 * driver. 1617 */ 1618static void 1619rum_cfg_select_band(struct rum_softc *sc, 1620 struct usb2_config_td_cc *cc, uint16_t refcount) 1621{ 1622 uint32_t tmp; 1623 uint8_t bbp17, bbp35, bbp96, bbp97, bbp98, bbp104; 1624 1625 /* update all BBP registers that depend on the band */ 1626 bbp17 = 0x20; 1627 bbp96 = 0x48; 1628 bbp104 = 0x2c; 1629 bbp35 = 0x50; 1630 bbp97 = 0x48; 1631 bbp98 = 0x48; 1632 1633 if (cc->ic_curchan.chan_is_5ghz) { 1634 bbp17 += 0x08; 1635 bbp96 += 0x10; 1636 bbp104 += 0x0c; 1637 bbp35 += 0x10; 1638 bbp97 += 0x10; 1639 bbp98 += 0x10; 1640 } 1641 if ((cc->ic_curchan.chan_is_2ghz && sc->sc_ext_2ghz_lna) || 1642 (cc->ic_curchan.chan_is_5ghz && sc->sc_ext_5ghz_lna)) { 1643 bbp17 += 0x10; 1644 bbp96 += 0x10; 1645 bbp104 += 0x10; 1646 } 1647 sc->sc_bbp17 = bbp17; 1648 rum_cfg_bbp_write(sc, 17, bbp17); 1649 rum_cfg_bbp_write(sc, 96, bbp96); 1650 rum_cfg_bbp_write(sc, 104, bbp104); 1651 1652 if ((cc->ic_curchan.chan_is_2ghz && sc->sc_ext_2ghz_lna) || 1653 (cc->ic_curchan.chan_is_5ghz && sc->sc_ext_5ghz_lna)) { 1654 rum_cfg_bbp_write(sc, 75, 0x80); 1655 rum_cfg_bbp_write(sc, 86, 0x80); 1656 rum_cfg_bbp_write(sc, 88, 0x80); 1657 } 1658 rum_cfg_bbp_write(sc, 35, bbp35); 1659 rum_cfg_bbp_write(sc, 97, bbp97); 1660 rum_cfg_bbp_write(sc, 98, bbp98); 1661 1662 tmp = rum_cfg_read(sc, RT2573_PHY_CSR0); 1663 tmp &= ~(RT2573_PA_PE_2GHZ | RT2573_PA_PE_5GHZ); 1664 if (cc->ic_curchan.chan_is_2ghz) 1665 tmp |= RT2573_PA_PE_2GHZ; 1666 else 1667 tmp |= RT2573_PA_PE_5GHZ; 1668 rum_cfg_write(sc, RT2573_PHY_CSR0, tmp); 1669 1670 /* 802.11a uses a 16 microseconds short interframe space */ 1671 sc->sc_sifs = cc->ic_curchan.chan_is_5ghz ? 16 : 10; 1672} 1673 1674static void 1675rum_cfg_set_chan(struct rum_softc *sc, 1676 struct usb2_config_td_cc *cc, uint16_t refcount) 1677{ 1678 enum { 1679 N_RF5225 = (sizeof(rum_rf5225) / sizeof(rum_rf5225[0]))}; 1680 const struct rfprog *rfprog; 1681 uint32_t chan; 1682 uint16_t i; 1683 uint8_t bbp3; 1684 uint8_t bbp94 = RT2573_BBPR94_DEFAULT; 1685 int8_t power; 1686 1687 chan = cc->ic_curchan.chan_to_ieee; 1688 1689 if ((chan == 0) || 1690 (chan == IEEE80211_CHAN_ANY)) { 1691 /* nothing to do */ 1692 return; 1693 } 1694 if (chan == sc->sc_last_chan) { 1695 return; 1696 } 1697 sc->sc_last_chan = chan; 1698 1699 /* select the appropriate RF settings based on what EEPROM says */ 1700 rfprog = ((sc->sc_rf_rev == RT2573_RF_5225) || 1701 (sc->sc_rf_rev == RT2573_RF_2527)) ? rum_rf5225 : rum_rf5226; 1702 1703 /* find the settings for this channel */ 1704 for (i = 0;; i++) { 1705 if (i == (N_RF5225 - 1)) 1706 break; 1707 if (rfprog[i].chan == chan) 1708 break; 1709 } 1710 1711 DPRINTF("chan=%d, i=%d\n", chan, i); 1712 1713 power = sc->sc_txpow[i]; 1714 if (power < 0) { 1715 bbp94 += power; 1716 power = 0; 1717 } else if (power > 31) { 1718 bbp94 += power - 31; 1719 power = 31; 1720 } 1721 /* 1722 * If we are switching from the 2GHz band to the 5GHz band or 1723 * vice-versa, BBP registers need to be reprogrammed. 1724 */ 1725 rum_cfg_select_band(sc, cc, 0); 1726 rum_cfg_select_antenna(sc, cc, 0); 1727 1728 rum_cfg_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1729 rum_cfg_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1730 rum_cfg_rf_write(sc, RT2573_RF3, rfprog[i].r3 | (power << 7)); 1731 rum_cfg_rf_write(sc, RT2573_RF4, rfprog[i].r4 | (sc->sc_rffreq << 10)); 1732 1733 rum_cfg_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1734 rum_cfg_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1735 rum_cfg_rf_write(sc, RT2573_RF3, rfprog[i].r3 | (power << 7) | 1); 1736 rum_cfg_rf_write(sc, RT2573_RF4, rfprog[i].r4 | (sc->sc_rffreq << 10)); 1737 1738 rum_cfg_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1739 rum_cfg_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1740 rum_cfg_rf_write(sc, RT2573_RF3, rfprog[i].r3 | (power << 7)); 1741 rum_cfg_rf_write(sc, RT2573_RF4, rfprog[i].r4 | (sc->sc_rffreq << 10)); 1742 1743 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 1744 return; 1745 } 1746 /* enable smart mode for MIMO-capable RFs */ 1747 bbp3 = rum_cfg_bbp_read(sc, 3); 1748 1749 if ((sc->sc_rf_rev == RT2573_RF_5225) || 1750 (sc->sc_rf_rev == RT2573_RF_2527)) 1751 bbp3 &= ~RT2573_SMART_MODE; 1752 else 1753 bbp3 |= RT2573_SMART_MODE; 1754 1755 rum_cfg_bbp_write(sc, 3, bbp3); 1756 1757 rum_cfg_bbp_write(sc, 94, bbp94); 1758 1759 /* update basic rate set */ 1760 1761 if (cc->ic_curchan.chan_is_b) { 1762 /* 11b basic rates: 1, 2Mbps */ 1763 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x3); 1764 } else if (cc->ic_curchan.chan_is_a) { 1765 /* 11a basic rates: 6, 12, 24Mbps */ 1766 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x150); 1767 } else { 1768 /* 11b/g basic rates: 1, 2, 5.5, 11Mbps */ 1769 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0xf); 1770 } 1771 1772 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 1773 return; 1774 } 1775} 1776 1777static void 1778rum_cfg_set_run(struct rum_softc *sc, 1779 struct usb2_config_td_cc *cc) 1780{ 1781 1782 if (cc->ic_opmode != IEEE80211_M_MONITOR) { 1783 rum_cfg_update_slot(sc, cc, 0); 1784 rum_cfg_enable_mrr(sc, cc, 0); 1785 rum_cfg_set_txpreamble(sc, cc, 0); 1786 1787 /* update basic rate set */ 1788 1789 if (cc->ic_bsschan.chan_is_5ghz) { 1790 /* 11a basic rates: 6, 12, 24Mbps */ 1791 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x150); 1792 } else if (cc->ic_bsschan.chan_is_g) { 1793 /* 11b/g basic rates: 1, 2, 5.5, 11Mbps */ 1794 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0xf); 1795 } else { 1796 /* 11b basic rates: 1, 2Mbps */ 1797 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x3); 1798 } 1799 rum_cfg_set_bssid(sc, cc->iv_bss.ni_bssid); 1800 } 1801 if ((cc->ic_opmode == IEEE80211_M_HOSTAP) || 1802 (cc->ic_opmode == IEEE80211_M_IBSS)) { 1803 rum_cfg_prepare_beacon(sc, cc, 0); 1804 } 1805 if (cc->ic_opmode != IEEE80211_M_MONITOR) { 1806 rum_cfg_enable_tsf_sync(sc, cc, 0); 1807 } 1808 if (cc->iv_bss.fixed_rate_none) { 1809 /* enable automatic rate adaptation */ 1810 rum_cfg_amrr_start(sc); 1811 } 1812} 1813 1814static void 1815rum_cfg_enable_tsf_sync(struct rum_softc *sc, 1816 struct usb2_config_td_cc *cc, uint16_t refcount) 1817{ 1818 uint32_t tmp; 1819 1820 if (cc->ic_opmode != IEEE80211_M_STA) { 1821 /* 1822 * Change default 16ms TBTT adjustment to 8ms. 1823 * Must be done before enabling beacon generation. 1824 */ 1825 rum_cfg_write(sc, RT2573_TXRX_CSR10, (1 << 12) | 8); 1826 } 1827 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR9) & 0xff000000; 1828 1829 /* set beacon interval (in 1/16ms unit) */ 1830 tmp |= cc->iv_bss.ni_intval * 16; 1831 1832 tmp |= RT2573_TSF_TICKING | RT2573_ENABLE_TBTT; 1833 if (cc->ic_opmode == IEEE80211_M_STA) 1834 tmp |= RT2573_TSF_MODE(1); 1835 else 1836 tmp |= RT2573_TSF_MODE(2) | RT2573_GENERATE_BEACON; 1837 1838 rum_cfg_write(sc, RT2573_TXRX_CSR9, tmp); 1839} 1840 1841static void 1842rum_cfg_disable_tsf_sync(struct rum_softc *sc) 1843{ 1844 uint32_t tmp; 1845 1846 /* abort TSF synchronization */ 1847 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR9); 1848 rum_cfg_write(sc, RT2573_TXRX_CSR9, tmp & ~0x00ffffff); 1849} 1850 1851/* 1852 * Enable multi-rate retries for frames sent at OFDM rates. 1853 * In 802.11b/g mode, allow fallback to CCK rates. 1854 */ 1855static void 1856rum_cfg_enable_mrr(struct rum_softc *sc, 1857 struct usb2_config_td_cc *cc, uint16_t refcount) 1858{ 1859 uint32_t tmp; 1860 1861 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR4); 1862 1863 if (cc->ic_curchan.chan_is_5ghz) 1864 tmp &= ~RT2573_MRR_CCK_FALLBACK; 1865 else 1866 tmp |= RT2573_MRR_CCK_FALLBACK; 1867 1868 tmp |= RT2573_MRR_ENABLED; 1869 1870 rum_cfg_write(sc, RT2573_TXRX_CSR4, tmp); 1871} 1872 1873static void 1874rum_cfg_update_slot(struct rum_softc *sc, 1875 struct usb2_config_td_cc *cc, uint16_t refcount) 1876{ 1877 uint32_t tmp; 1878 uint8_t slottime; 1879 1880 slottime = (cc->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20; 1881 1882 tmp = rum_cfg_read(sc, RT2573_MAC_CSR9); 1883 tmp = (tmp & ~0xff) | slottime; 1884 rum_cfg_write(sc, RT2573_MAC_CSR9, tmp); 1885 1886 DPRINTF("setting slot time to %u us\n", slottime); 1887} 1888 1889static void 1890rum_cfg_set_txpreamble(struct rum_softc *sc, 1891 struct usb2_config_td_cc *cc, uint16_t refcount) 1892{ 1893 uint32_t tmp; 1894 1895 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR4); 1896 1897 if (cc->ic_flags & IEEE80211_F_SHPREAMBLE) 1898 tmp |= RT2573_SHORT_PREAMBLE; 1899 else 1900 tmp &= ~RT2573_SHORT_PREAMBLE; 1901 1902 rum_cfg_write(sc, RT2573_TXRX_CSR4, tmp); 1903} 1904 1905static void 1906rum_cfg_set_bssid(struct rum_softc *sc, uint8_t *bssid) 1907{ 1908 uint32_t tmp; 1909 1910 tmp = bssid[0] | (bssid[1] << 8) | (bssid[2] << 16) | (bssid[3] << 24); 1911 rum_cfg_write(sc, RT2573_MAC_CSR4, tmp); 1912 1913 tmp = (bssid[4]) | (bssid[5] << 8) | (RT2573_ONE_BSSID << 16); 1914 rum_cfg_write(sc, RT2573_MAC_CSR5, tmp); 1915} 1916 1917static void 1918rum_cfg_set_macaddr(struct rum_softc *sc, uint8_t *addr) 1919{ 1920 uint32_t tmp; 1921 1922 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24); 1923 rum_cfg_write(sc, RT2573_MAC_CSR2, tmp); 1924 1925 tmp = addr[4] | (addr[5] << 8) | (0xff << 16); 1926 rum_cfg_write(sc, RT2573_MAC_CSR3, tmp); 1927} 1928 1929static void 1930rum_cfg_update_promisc(struct rum_softc *sc, 1931 struct usb2_config_td_cc *cc, uint16_t refcount) 1932{ 1933 uint32_t tmp; 1934 1935 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0); 1936 1937 if (cc->if_flags & IFF_PROMISC) 1938 tmp &= ~RT2573_DROP_NOT_TO_ME; 1939 else 1940 tmp |= RT2573_DROP_NOT_TO_ME; 1941 1942 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp); 1943 1944 DPRINTF("%s promiscuous mode\n", 1945 (cc->if_flags & IFF_PROMISC) ? 1946 "entering" : "leaving"); 1947} 1948 1949static void 1950rum_cfg_select_antenna(struct rum_softc *sc, 1951 struct usb2_config_td_cc *cc, uint16_t refcount) 1952{ 1953 uint32_t tmp; 1954 uint8_t bbp3; 1955 uint8_t bbp4; 1956 uint8_t bbp77; 1957 uint8_t rx_ant; 1958 uint8_t is_5ghz; 1959 1960 bbp3 = rum_cfg_bbp_read(sc, 3); 1961 bbp4 = rum_cfg_bbp_read(sc, 4); 1962 bbp77 = rum_cfg_bbp_read(sc, 77); 1963 1964 bbp3 &= ~0x01; 1965 bbp4 &= ~0x23; 1966 1967 rx_ant = sc->sc_rx_ant; 1968 is_5ghz = cc->ic_curchan.chan_is_5ghz; 1969 1970 switch (sc->sc_rf_rev) { 1971 case RT2573_RF_5226: 1972 case RT2573_RF_5225: 1973 if (rx_ant == 0) { 1974 /* Diversity */ 1975 bbp4 |= 0x02; 1976 if (is_5ghz == 0) 1977 bbp4 |= 0x20; 1978 } else if (rx_ant == 1) { 1979 /* RX: Antenna A */ 1980 bbp4 |= 0x01; 1981 if (is_5ghz) 1982 bbp77 &= ~0x03; 1983 else 1984 bbp77 |= 0x03; 1985 } else if (rx_ant == 2) { 1986 /* RX: Antenna B */ 1987 bbp4 |= 0x01; 1988 if (is_5ghz) 1989 bbp77 |= 0x03; 1990 else 1991 bbp77 &= ~0x03; 1992 } 1993 break; 1994 1995 case RT2573_RF_2528: 1996 case RT2573_RF_2527: 1997 if (rx_ant == 0) { 1998 /* Diversity */ 1999 bbp4 |= 0x22; 2000 } else if (rx_ant == 1) { 2001 /* RX: Antenna A */ 2002 bbp4 |= 0x21; 2003 bbp77 |= 0x03; 2004 } else if (rx_ant == 2) { 2005 /* RX: Antenna B */ 2006 bbp4 |= 0x21; 2007 bbp77 &= ~0x03; 2008 } 2009 break; 2010 default: 2011 break; 2012 } 2013 bbp4 &= ~(sc->sc_ftype << 5); 2014 2015 /* make sure Rx is disabled before switching antenna */ 2016 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0); 2017 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX); 2018 2019 rum_cfg_bbp_write(sc, 3, bbp3); 2020 rum_cfg_bbp_write(sc, 4, bbp4); 2021 rum_cfg_bbp_write(sc, 77, bbp77); 2022 2023 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp); 2024} 2025 2026static void 2027rum_cfg_read_eeprom(struct rum_softc *sc) 2028{ 2029 uint16_t val; 2030 2031 /* read MAC address */ 2032 rum_cfg_eeprom_read(sc, RT2573_EEPROM_ADDRESS, sc->sc_myaddr, 6); 2033 2034 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_ANTENNA); 2035 sc->sc_rf_rev = (val >> 11) & 0x1f; 2036 sc->sc_hw_radio = (val >> 10) & 0x1; 2037 sc->sc_ftype = (val >> 6) & 0x1; 2038 sc->sc_rx_ant = (val >> 4) & 0x3; 2039 sc->sc_tx_ant = (val >> 2) & 0x3; 2040 sc->sc_nb_ant = (val & 0x3); 2041 2042 DPRINTF("RF revision=%d\n", sc->sc_rf_rev); 2043 2044 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_CONFIG2); 2045 sc->sc_ext_5ghz_lna = (val >> 6) & 0x1; 2046 sc->sc_ext_2ghz_lna = (val >> 4) & 0x1; 2047 2048 DPRINTF("External 2GHz LNA=%d, External 5GHz LNA=%d\n", 2049 sc->sc_ext_2ghz_lna, sc->sc_ext_5ghz_lna); 2050 2051 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_RSSI_2GHZ_OFFSET); 2052 if ((val & 0xff) != 0xff) 2053 sc->sc_rssi_2ghz_corr = (int8_t)(val & 0xff); /* signed */ 2054 else 2055 sc->sc_rssi_2ghz_corr = 0; 2056 2057 /* range check */ 2058 if ((sc->sc_rssi_2ghz_corr < -10) || 2059 (sc->sc_rssi_2ghz_corr > 10)) { 2060 sc->sc_rssi_2ghz_corr = 0; 2061 } 2062 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_RSSI_5GHZ_OFFSET); 2063 if ((val & 0xff) != 0xff) 2064 sc->sc_rssi_5ghz_corr = (int8_t)(val & 0xff); /* signed */ 2065 else 2066 sc->sc_rssi_5ghz_corr = 0; 2067 2068 /* range check */ 2069 if ((sc->sc_rssi_5ghz_corr < -10) || 2070 (sc->sc_rssi_5ghz_corr > 10)) { 2071 sc->sc_rssi_5ghz_corr = 0; 2072 } 2073 if (sc->sc_ext_2ghz_lna) { 2074 sc->sc_rssi_2ghz_corr -= 14; 2075 } 2076 if (sc->sc_ext_5ghz_lna) { 2077 sc->sc_rssi_5ghz_corr -= 14; 2078 } 2079 DPRINTF("RSSI 2GHz corr=%d, RSSI 5GHz corr=%d\n", 2080 sc->sc_rssi_2ghz_corr, sc->sc_rssi_5ghz_corr); 2081 2082 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_FREQ_OFFSET); 2083 if ((val & 0xff) != 0xff) 2084 sc->sc_rffreq = (val & 0xff); 2085 else 2086 sc->sc_rffreq = 0; 2087 2088 DPRINTF("RF freq=%d\n", sc->sc_rffreq); 2089 2090 /* read Tx power for all a/b/g channels */ 2091 rum_cfg_eeprom_read(sc, RT2573_EEPROM_TXPOWER, sc->sc_txpow, 14); 2092 2093 /* XXX default Tx power for 802.11a channels */ 2094 memset(sc->sc_txpow + 14, 24, sizeof(sc->sc_txpow) - 14); 2095 2096 /* read default values for BBP registers */ 2097 rum_cfg_eeprom_read(sc, RT2573_EEPROM_BBP_BASE, sc->sc_bbp_prom, 2 * 16); 2098} 2099 2100static uint8_t 2101rum_cfg_bbp_init(struct rum_softc *sc) 2102{ 2103 enum { 2104 N_DEF_BBP = (sizeof(rum_def_bbp) / sizeof(rum_def_bbp[0])), 2105 }; 2106 uint16_t i; 2107 uint8_t to; 2108 uint8_t tmp; 2109 2110 /* wait for BBP to become ready */ 2111 for (to = 0;; to++) { 2112 if (to < 100) { 2113 tmp = rum_cfg_bbp_read(sc, 0); 2114 if ((tmp != 0x00) && 2115 (tmp != 0xff)) { 2116 break; 2117 } 2118 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 2119 return (1); /* failure */ 2120 } 2121 } else { 2122 DPRINTF("timeout waiting for BBP\n"); 2123 return (1); /* failure */ 2124 } 2125 } 2126 2127 /* initialize BBP registers to default values */ 2128 for (i = 0; i < N_DEF_BBP; i++) { 2129 rum_cfg_bbp_write(sc, rum_def_bbp[i].reg, rum_def_bbp[i].val); 2130 } 2131 2132 /* write vendor-specific BBP values (from EEPROM) */ 2133 for (i = 0; i < 16; i++) { 2134 if ((sc->sc_bbp_prom[i].reg == 0) || 2135 (sc->sc_bbp_prom[i].reg == 0xff)) { 2136 continue; 2137 } 2138 rum_cfg_bbp_write(sc, sc->sc_bbp_prom[i].reg, sc->sc_bbp_prom[i].val); 2139 } 2140 return (0); 2141} 2142 2143static void 2144rum_cfg_pre_init(struct rum_softc *sc, 2145 struct usb2_config_td_cc *cc, uint16_t refcount) 2146{ 2147 struct ifnet *ifp = sc->sc_ifp; 2148 struct ieee80211com *ic = ifp->if_l2com; 2149 2150 /* immediate configuration */ 2151 2152 rum_cfg_pre_stop(sc, cc, 0); 2153 2154 ifp->if_drv_flags |= IFF_DRV_RUNNING; 2155 2156 sc->sc_flags |= RUM_FLAG_HL_READY; 2157 2158 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp)); 2159} 2160 2161static void 2162rum_cfg_init(struct rum_softc *sc, 2163 struct usb2_config_td_cc *cc, uint16_t refcount) 2164{ 2165 enum { 2166 N_DEF_MAC = (sizeof(rum_def_mac) / sizeof(rum_def_mac[0])), 2167 }; 2168 2169 uint32_t tmp; 2170 uint16_t i; 2171 uint8_t to; 2172 2173 /* delayed configuration */ 2174 2175 rum_cfg_stop(sc, cc, 0); 2176 2177 /* initialize MAC registers to default values */ 2178 for (i = 0; i < N_DEF_MAC; i++) { 2179 rum_cfg_write(sc, rum_def_mac[i].reg, rum_def_mac[i].val); 2180 } 2181 2182 /* set host ready */ 2183 rum_cfg_write(sc, RT2573_MAC_CSR1, 3); 2184 rum_cfg_write(sc, RT2573_MAC_CSR1, 0); 2185 2186 /* wait for BBP/RF to wakeup */ 2187 for (to = 0;; to++) { 2188 if (to < 100) { 2189 if (rum_cfg_read(sc, RT2573_MAC_CSR12) & 8) { 2190 break; 2191 } 2192 rum_cfg_write(sc, RT2573_MAC_CSR12, 4); /* force wakeup */ 2193 2194 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 2195 goto fail; 2196 } 2197 } else { 2198 DPRINTF("timeout waiting for " 2199 "BBP/RF to wakeup\n"); 2200 goto fail; 2201 } 2202 } 2203 2204 if (rum_cfg_bbp_init(sc)) { 2205 goto fail; 2206 } 2207 /* select default channel */ 2208 2209 sc->sc_last_chan = 0; 2210 2211 rum_cfg_set_chan(sc, cc, 0); 2212 2213 /* clear STA registers */ 2214 rum_cfg_read_multi(sc, RT2573_STA_CSR0, sc->sc_sta, sizeof(sc->sc_sta)); 2215 /* set MAC address */ 2216 rum_cfg_set_macaddr(sc, cc->ic_myaddr); 2217 2218 /* initialize ASIC */ 2219 rum_cfg_write(sc, RT2573_MAC_CSR1, 4); 2220 2221 /* 2222 * make sure that the first transaction 2223 * clears the stall: 2224 */ 2225 sc->sc_flags |= (RUM_FLAG_READ_STALL | 2226 RUM_FLAG_WRITE_STALL | 2227 RUM_FLAG_LL_READY); 2228 2229 if ((sc->sc_flags & RUM_FLAG_LL_READY) && 2230 (sc->sc_flags & RUM_FLAG_HL_READY)) { 2231 struct ifnet *ifp = sc->sc_ifp; 2232 struct ieee80211com *ic = ifp->if_l2com; 2233 2234 /* 2235 * start the USB transfers, if not already started: 2236 */ 2237 usb2_transfer_start(sc->sc_xfer[1]); 2238 usb2_transfer_start(sc->sc_xfer[0]); 2239 2240 /* 2241 * start IEEE802.11 layer 2242 */ 2243 mtx_unlock(&sc->sc_mtx); 2244 ieee80211_start_all(ic); 2245 mtx_lock(&sc->sc_mtx); 2246 } 2247 /* update Rx filter */ 2248 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0) & 0xffff; 2249 2250 tmp |= RT2573_DROP_PHY_ERROR | RT2573_DROP_CRC_ERROR; 2251 2252 if (cc->ic_opmode != IEEE80211_M_MONITOR) { 2253 tmp |= RT2573_DROP_CTL | RT2573_DROP_VER_ERROR | 2254 RT2573_DROP_ACKCTS; 2255 if (cc->ic_opmode != IEEE80211_M_HOSTAP) { 2256 tmp |= RT2573_DROP_TODS; 2257 } 2258 if (!(cc->if_flags & IFF_PROMISC)) { 2259 tmp |= RT2573_DROP_NOT_TO_ME; 2260 } 2261 } 2262 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp); 2263 2264 return; 2265 2266fail: 2267 rum_cfg_pre_stop(sc, NULL, 0); 2268 2269 if (cc) { 2270 rum_cfg_stop(sc, cc, 0); 2271 } 2272} 2273 2274static void 2275rum_cfg_pre_stop(struct rum_softc *sc, 2276 struct usb2_config_td_cc *cc, uint16_t refcount) 2277{ 2278 struct ifnet *ifp = sc->sc_ifp; 2279 2280 if (cc) { 2281 /* copy the needed configuration */ 2282 rum_config_copy(sc, cc, refcount); 2283 } 2284 /* immediate configuration */ 2285 2286 if (ifp) { 2287 /* clear flags */ 2288 ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 2289 } 2290 sc->sc_flags &= ~(RUM_FLAG_HL_READY | 2291 RUM_FLAG_LL_READY); 2292 2293 /* 2294 * stop all the transfers, if not already stopped: 2295 */ 2296 usb2_transfer_stop(sc->sc_xfer[0]); 2297 usb2_transfer_stop(sc->sc_xfer[1]); 2298 usb2_transfer_stop(sc->sc_xfer[2]); 2299 usb2_transfer_stop(sc->sc_xfer[3]); 2300 2301 /* clean up transmission */ 2302 rum_tx_clean_queue(sc); 2303} 2304 2305static void 2306rum_cfg_stop(struct rum_softc *sc, 2307 struct usb2_config_td_cc *cc, uint16_t refcount) 2308{ 2309 uint32_t tmp; 2310 2311 /* disable Rx */ 2312 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0); 2313 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX); 2314 2315 /* reset ASIC */ 2316 rum_cfg_write(sc, RT2573_MAC_CSR1, 3); 2317 2318 /* wait a little */ 2319 usb2_config_td_sleep(&sc->sc_config_td, hz / 10); 2320 2321 rum_cfg_write(sc, RT2573_MAC_CSR1, 0); 2322 2323 /* wait a little */ 2324 usb2_config_td_sleep(&sc->sc_config_td, hz / 10); 2325} 2326 2327static void 2328rum_cfg_amrr_start(struct rum_softc *sc) 2329{ 2330 struct ieee80211vap *vap; 2331 struct ieee80211_node *ni; 2332 2333 vap = rum_get_vap(sc); 2334 2335 if (vap == NULL) { 2336 return; 2337 } 2338 ni = vap->iv_bss; 2339 if (ni == NULL) { 2340 return; 2341 } 2342 /* init AMRR */ 2343 2344 ieee80211_amrr_node_init(&RUM_VAP(vap)->amrr, &RUM_NODE(ni)->amn, ni); 2345 2346 /* enable AMRR timer */ 2347 2348 sc->sc_amrr_timer = 1; 2349} 2350 2351static void 2352rum_cfg_amrr_timeout(struct rum_softc *sc, 2353 struct usb2_config_td_cc *cc, uint16_t refcount) 2354{ 2355 struct ifnet *ifp = sc->sc_ifp; 2356 struct ieee80211vap *vap; 2357 struct ieee80211_node *ni; 2358 uint32_t ok; 2359 uint32_t fail; 2360 2361 /* clear statistic registers (STA_CSR0 to STA_CSR5) */ 2362 rum_cfg_read_multi(sc, RT2573_STA_CSR0, sc->sc_sta, sizeof(sc->sc_sta)); 2363 2364 vap = rum_get_vap(sc); 2365 if (vap == NULL) { 2366 return; 2367 } 2368 ni = vap->iv_bss; 2369 if (ni == NULL) { 2370 return; 2371 } 2372 if ((sc->sc_flags & RUM_FLAG_LL_READY) && 2373 (sc->sc_flags & RUM_FLAG_HL_READY)) { 2374 2375 ok = (le32toh(sc->sc_sta[4]) >> 16) + /* TX ok w/o retry */ 2376 (le32toh(sc->sc_sta[5]) & 0xffff); /* TX ok w/ retry */ 2377 fail = (le32toh(sc->sc_sta[5]) >> 16); /* TX retry-fail count */ 2378 2379 if (sc->sc_amrr_timer) { 2380 ieee80211_amrr_tx_update(&RUM_NODE(vap->iv_bss)->amn, 2381 ok + fail, ok, (le32toh(sc->sc_sta[5]) & 0xffff) + fail); 2382 2383 if (ieee80211_amrr_choose(ni, &RUM_NODE(ni)->amn)) { 2384 /* ignore */ 2385 } 2386 } 2387 ifp->if_oerrors += fail;/* count TX retry-fail as Tx errors */ 2388 } 2389} 2390 2391static void 2392rum_cfg_load_microcode(struct rum_softc *sc, const uint8_t *ucode, uint16_t size) 2393{ 2394 struct usb2_device_request req; 2395 uint16_t reg = RT2573_MCU_CODE_BASE; 2396 2397 /* copy firmware image into NIC */ 2398 while (size >= 4) { 2399 rum_cfg_write(sc, reg, UGETDW(ucode)); 2400 reg += 4; 2401 ucode += 4; 2402 size -= 4; 2403 } 2404 2405 if (size != 0) { 2406 DPRINTF("possibly invalid firmware\n"); 2407 } 2408 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2409 req.bRequest = RT2573_MCU_CNTL; 2410 USETW(req.wValue, RT2573_MCU_RUN); 2411 USETW(req.wIndex, 0); 2412 USETW(req.wLength, 0); 2413 2414 rum_cfg_do_request(sc, &req, NULL); 2415} 2416 2417static void 2418rum_cfg_prepare_beacon(struct rum_softc *sc, 2419 struct usb2_config_td_cc *cc, uint16_t refcount) 2420{ 2421 struct ieee80211_node *ni; 2422 struct ieee80211vap *vap; 2423 struct ieee80211com *ic; 2424 const struct ieee80211_txparam *tp; 2425 struct mbuf *m; 2426 2427 vap = rum_get_vap(sc); 2428 if (vap == NULL) { 2429 return; 2430 } 2431 ni = vap->iv_bss; 2432 if (ni == NULL) { 2433 return; 2434 } 2435 ic = vap->iv_ic; 2436 if (ic == NULL) { 2437 return; 2438 } 2439 DPRINTFN(11, "Sending beacon frame.\n"); 2440 2441 m = ieee80211_beacon_alloc(ni, &RUM_VAP(vap)->bo); 2442 if (m == NULL) { 2443 DPRINTFN(0, "could not allocate beacon\n"); 2444 return; 2445 } 2446 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)]; 2447 2448 m->m_pkthdr.rcvif = (void *)ieee80211_ref_node(ni); 2449 rum_setup_desc_and_tx(sc, m, RT2573_TX_TIMESTAMP, RT2573_TX_HWSEQ | RT2573_TX_BEACON, tp->mgmtrate); 2450} 2451 2452static uint8_t 2453rum_get_rssi(struct rum_softc *sc, uint8_t raw) 2454{ 2455 struct ifnet *ifp = sc->sc_ifp; 2456 struct ieee80211com *ic = ifp->if_l2com; 2457 int16_t rssi; 2458 uint8_t lna; 2459 uint8_t agc; 2460 2461 lna = (raw >> 5) & 0x3; 2462 agc = raw & 0x1f; 2463 2464 if (lna == 0) { 2465 /* 2466 * No RSSI mapping 2467 * 2468 * NB: Since RSSI is relative to noise floor, -1 is 2469 * adequate for caller to know error happened. 2470 */ 2471 return (0); 2472 } 2473 rssi = (2 * agc) - RT2573_NOISE_FLOOR; 2474 2475 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) { 2476 2477 rssi += sc->sc_rssi_2ghz_corr; 2478 2479 if (lna == 1) 2480 rssi -= 64; 2481 else if (lna == 2) 2482 rssi -= 74; 2483 else if (lna == 3) 2484 rssi -= 90; 2485 } else { 2486 2487 rssi += sc->sc_rssi_5ghz_corr; 2488 2489 if ((!sc->sc_ext_5ghz_lna) && (lna != 1)) 2490 rssi += 4; 2491 2492 if (lna == 1) 2493 rssi -= 64; 2494 else if (lna == 2) 2495 rssi -= 86; 2496 else if (lna == 3) 2497 rssi -= 100; 2498 } 2499 2500 /* range check */ 2501 2502 if (rssi < 0) 2503 rssi = 0; 2504 else if (rssi > 255) 2505 rssi = 255; 2506 2507 return (rssi); 2508} 2509 2510static struct ieee80211vap * 2511rum_vap_create(struct ieee80211com *ic, 2512 const char name[IFNAMSIZ], int unit, int opmode, int flags, 2513 const uint8_t bssid[IEEE80211_ADDR_LEN], 2514 const uint8_t mac[IEEE80211_ADDR_LEN]) 2515{ 2516 struct rum_vap *rvp; 2517 struct ieee80211vap *vap; 2518 struct rum_softc *sc = ic->ic_ifp->if_softc; 2519 2520 DPRINTF("\n"); 2521 2522 /* Need to sync with config thread: */ 2523 mtx_lock(&sc->sc_mtx); 2524 if (usb2_config_td_sync(&sc->sc_config_td)) { 2525 mtx_unlock(&sc->sc_mtx); 2526 /* config thread is gone */ 2527 return (NULL); 2528 } 2529 mtx_unlock(&sc->sc_mtx); 2530 2531 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 2532 return NULL; 2533 rvp = (struct rum_vap *)malloc(sizeof(struct rum_vap), 2534 M_80211_VAP, M_NOWAIT | M_ZERO); 2535 if (rvp == NULL) 2536 return NULL; 2537 vap = &rvp->vap; 2538 /* enable s/w bmiss handling for sta mode */ 2539 ieee80211_vap_setup(ic, vap, name, unit, opmode, 2540 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); 2541 2542 /* override state transition machine */ 2543 rvp->newstate = vap->iv_newstate; 2544 vap->iv_newstate = &rum_newstate_cb; 2545 2546 ieee80211_amrr_init(&rvp->amrr, vap, 2547 IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD, 2548 IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD, 2549 1000 /* 1 sec */ ); 2550 2551 /* complete setup */ 2552 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status); 2553 2554 /* store current operation mode */ 2555 ic->ic_opmode = opmode; 2556 2557 return (vap); 2558} 2559 2560static void 2561rum_vap_delete(struct ieee80211vap *vap) 2562{ 2563 struct rum_vap *rvp = RUM_VAP(vap); 2564 struct rum_softc *sc = vap->iv_ic->ic_ifp->if_softc; 2565 2566 DPRINTF("\n"); 2567 2568 /* Need to sync with config thread: */ 2569 mtx_lock(&sc->sc_mtx); 2570 if (usb2_config_td_sync(&sc->sc_config_td)) { 2571 /* ignore */ 2572 } 2573 mtx_unlock(&sc->sc_mtx); 2574 2575 ieee80211_amrr_cleanup(&rvp->amrr); 2576 ieee80211_vap_detach(vap); 2577 free(rvp, M_80211_VAP); 2578} 2579 2580/* ARGUSED */ 2581static struct ieee80211_node * 2582rum_node_alloc(struct ieee80211vap *vap __unused, 2583 const uint8_t mac[IEEE80211_ADDR_LEN] __unused) 2584{ 2585 struct rum_node *rn; 2586 2587 rn = malloc(sizeof(struct rum_node), M_80211_NODE, M_NOWAIT | M_ZERO); 2588 return ((rn != NULL) ? &rn->ni : NULL); 2589} 2590 2591static void 2592rum_newassoc(struct ieee80211_node *ni, int isnew) 2593{ 2594 struct ieee80211vap *vap = ni->ni_vap; 2595 2596 ieee80211_amrr_node_init(&RUM_VAP(vap)->amrr, &RUM_NODE(ni)->amn, ni); 2597} 2598 2599static void 2600rum_fill_write_queue(struct rum_softc *sc) 2601{ 2602 struct ifnet *ifp = sc->sc_ifp; 2603 struct ieee80211_node *ni; 2604 struct mbuf *m; 2605 2606 /* 2607 * We only fill up half of the queue with data frames. The rest is 2608 * reserved for other kinds of frames. 2609 */ 2610 2611 while (sc->sc_tx_queue.ifq_len < (IFQ_MAXLEN / 2)) { 2612 2613 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2614 if (m == NULL) 2615 break; 2616 2617 ni = (void *)(m->m_pkthdr.rcvif); 2618 m = ieee80211_encap(ni, m); 2619 if (m == NULL) { 2620 ieee80211_free_node(ni); 2621 continue; 2622 } 2623 rum_tx_data(sc, m, ni); 2624 } 2625} 2626 2627static void 2628rum_tx_clean_queue(struct rum_softc *sc) 2629{ 2630 struct mbuf *m; 2631 2632 for (;;) { 2633 _IF_DEQUEUE(&sc->sc_tx_queue, m); 2634 2635 if (!m) { 2636 break; 2637 } 2638 rum_tx_freem(m); 2639 } 2640} 2641 2642static void 2643rum_tx_freem(struct mbuf *m) 2644{ 2645 struct ieee80211_node *ni; 2646 2647 while (m) { 2648 ni = (void *)(m->m_pkthdr.rcvif); 2649 if (!ni) { 2650 m = m_free(m); 2651 continue; 2652 } 2653 if (m->m_flags & M_TXCB) { 2654 ieee80211_process_callback(ni, m, 0); 2655 } 2656 m_freem(m); 2657 ieee80211_free_node(ni); 2658 2659 break; 2660 } 2661} 2662 2663static void 2664rum_tx_mgt(struct rum_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2665{ 2666 struct ieee80211vap *vap = ni->ni_vap; 2667 struct ieee80211com *ic = ni->ni_ic; 2668 const struct ieee80211_txparam *tp; 2669 struct ieee80211_frame *wh; 2670 struct ieee80211_key *k; 2671 uint32_t flags; 2672 uint16_t dur; 2673 2674 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 2675 2676 wh = mtod(m, struct ieee80211_frame *); 2677 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2678 k = ieee80211_crypto_encap(ni, m); 2679 if (k == NULL) { 2680 m_freem(m); 2681 ieee80211_free_node(ni); 2682 return; 2683 } 2684 wh = mtod(m, struct ieee80211_frame *); 2685 } 2686 flags = 0; 2687 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2688 flags |= RT2573_TX_NEED_ACK; 2689 2690 dur = ieee80211_ack_duration(sc->sc_rates, tp->mgmtrate, 2691 ic->ic_flags & IEEE80211_F_SHPREAMBLE); 2692 USETW(wh->i_dur, dur); 2693 2694 /* tell hardware to add timestamp for probe responses */ 2695 if ((wh->i_fc[0] & 2696 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2697 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) 2698 flags |= RT2573_TX_TIMESTAMP; 2699 } 2700 m->m_pkthdr.rcvif = (void *)ni; 2701 rum_setup_desc_and_tx(sc, m, flags, 0, tp->mgmtrate); 2702} 2703 2704static struct ieee80211vap * 2705rum_get_vap(struct rum_softc *sc) 2706{ 2707 struct ifnet *ifp; 2708 struct ieee80211com *ic; 2709 2710 if (sc == NULL) { 2711 return NULL; 2712 } 2713 ifp = sc->sc_ifp; 2714 if (ifp == NULL) { 2715 return NULL; 2716 } 2717 ic = ifp->if_l2com; 2718 if (ic == NULL) { 2719 return NULL; 2720 } 2721 return TAILQ_FIRST(&ic->ic_vaps); 2722} 2723 2724static void 2725rum_tx_data(struct rum_softc *sc, struct mbuf *m, 2726 struct ieee80211_node *ni) 2727{ 2728 struct ieee80211vap *vap = ni->ni_vap; 2729 struct ieee80211com *ic = ni->ni_ic; 2730 const struct ieee80211_txparam *tp; 2731 struct ieee80211_frame *wh; 2732 struct ieee80211_key *k; 2733 uint32_t flags = 0; 2734 uint16_t dur; 2735 uint16_t rate; 2736 2737 DPRINTFN(11, "Sending data.\n"); 2738 2739 wh = mtod(m, struct ieee80211_frame *); 2740 2741 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; 2742 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 2743 rate = tp->mcastrate; 2744 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2745 rate = tp->ucastrate; 2746 else 2747 rate = ni->ni_txrate; 2748 2749 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2750 k = ieee80211_crypto_encap(ni, m); 2751 if (k == NULL) { 2752 m_freem(m); 2753 ieee80211_free_node(ni); 2754 return; 2755 } 2756 /* packet header may have moved, reset our local pointer */ 2757 wh = mtod(m, struct ieee80211_frame *); 2758 } 2759 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2760 uint8_t prot = IEEE80211_PROT_NONE; 2761 2762 if (m->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) 2763 prot = IEEE80211_PROT_RTSCTS; 2764 else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2765 ieee80211_rate2phytype(sc->sc_rates, rate) == IEEE80211_T_OFDM) 2766 prot = ic->ic_protmode; 2767 if (prot != IEEE80211_PROT_NONE) { 2768 rum_tx_prot(sc, m, ni, prot, rate); 2769 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS; 2770 } 2771 flags |= RT2573_TX_NEED_ACK; 2772 flags |= RT2573_TX_MORE_FRAG; 2773 2774 dur = ieee80211_ack_duration(sc->sc_rates, rate, 2775 ic->ic_flags & IEEE80211_F_SHPREAMBLE); 2776 USETW(wh->i_dur, dur); 2777 } 2778 m->m_pkthdr.rcvif = (void *)ni; 2779 rum_setup_desc_and_tx(sc, m, flags, 0, rate); 2780} 2781 2782static void 2783rum_tx_prot(struct rum_softc *sc, 2784 const struct mbuf *m, struct ieee80211_node *ni, 2785 uint8_t prot, uint16_t rate) 2786{ 2787 struct ieee80211com *ic = ni->ni_ic; 2788 const struct ieee80211_frame *wh; 2789 struct mbuf *mprot; 2790 uint32_t flags; 2791 uint16_t protrate; 2792 uint16_t ackrate; 2793 uint16_t pktlen; 2794 uint16_t dur; 2795 uint8_t isshort; 2796 2797 KASSERT((prot == IEEE80211_PROT_RTSCTS) || 2798 (prot == IEEE80211_PROT_CTSONLY), 2799 ("protection %u", prot)); 2800 2801 DPRINTFN(11, "Sending protection frame.\n"); 2802 2803 wh = mtod(m, const struct ieee80211_frame *); 2804 pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN; 2805 2806 protrate = ieee80211_ctl_rate(sc->sc_rates, rate); 2807 ackrate = ieee80211_ack_rate(sc->sc_rates, rate); 2808 2809 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0; 2810 dur = ieee80211_compute_duration(sc->sc_rates, pktlen, rate, isshort); 2811 +ieee80211_ack_duration(sc->sc_rates, rate, isshort); 2812 flags = RT2573_TX_MORE_FRAG; 2813 if (prot == IEEE80211_PROT_RTSCTS) { 2814 /* NB: CTS is the same size as an ACK */ 2815 dur += ieee80211_ack_duration(sc->sc_rates, rate, isshort); 2816 flags |= RT2573_TX_NEED_ACK; 2817 mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur); 2818 } else { 2819 mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur); 2820 } 2821 if (mprot == NULL) { 2822 return; 2823 } 2824 mprot->m_pkthdr.rcvif = (void *)ieee80211_ref_node(ni); 2825 rum_setup_desc_and_tx(sc, mprot, flags, 0, protrate); 2826} 2827 2828static void 2829rum_tx_raw(struct rum_softc *sc, struct mbuf *m, struct ieee80211_node *ni, 2830 const struct ieee80211_bpf_params *params) 2831{ 2832 uint32_t flags; 2833 uint16_t rate; 2834 2835 DPRINTFN(11, "Sending raw frame.\n"); 2836 2837 rate = params->ibp_rate0 & IEEE80211_RATE_VAL; 2838 2839 /* XXX validate */ 2840 if (rate == 0) { 2841 m_freem(m); 2842 ieee80211_free_node(ni); 2843 return; 2844 } 2845 flags = 0; 2846 if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2847 flags |= RT2573_TX_NEED_ACK; 2848 if (params->ibp_flags & (IEEE80211_BPF_RTS | IEEE80211_BPF_CTS)) { 2849 rum_tx_prot(sc, m, ni, 2850 params->ibp_flags & IEEE80211_BPF_RTS ? 2851 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY, 2852 rate); 2853 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS; 2854 } 2855 m->m_pkthdr.rcvif = (void *)ni; 2856 rum_setup_desc_and_tx(sc, m, flags, 0, rate); 2857} 2858 2859static int 2860rum_raw_xmit_cb(struct ieee80211_node *ni, struct mbuf *m, 2861 const struct ieee80211_bpf_params *params) 2862{ 2863 struct ieee80211com *ic = ni->ni_ic; 2864 struct ifnet *ifp = ic->ic_ifp; 2865 struct rum_softc *sc = ifp->if_softc; 2866 2867 mtx_lock(&sc->sc_mtx); 2868 if (params == NULL) { 2869 /* 2870 * Legacy path; interpret frame contents to decide 2871 * precisely how to send the frame. 2872 */ 2873 rum_tx_mgt(sc, m, ni); 2874 } else { 2875 /* 2876 * Caller supplied explicit parameters to use in 2877 * sending the frame. 2878 */ 2879 rum_tx_raw(sc, m, ni, params); 2880 } 2881 mtx_unlock(&sc->sc_mtx); 2882 return (0); 2883} 2884 2885static void 2886rum_update_mcast_cb(struct ifnet *ifp) 2887{ 2888 /* not supported */ 2889} 2890 2891static void 2892rum_update_promisc_cb(struct ifnet *ifp) 2893{ 2894 struct rum_softc *sc = ifp->if_softc; 2895 2896 mtx_lock(&sc->sc_mtx); 2897 usb2_config_td_queue_command 2898 (&sc->sc_config_td, &rum_config_copy, 2899 &rum_cfg_update_promisc, 0, 0); 2900 mtx_unlock(&sc->sc_mtx); 2901} 2902