if_rum.c revision 185950
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 185950 2008-12-11 23:17:48Z 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_rum2_reg.h> 53#include <dev/usb2/wlan/if_rum2_var.h> 54#include <dev/usb2/wlan/if_rum2_fw.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, 479 &sc->sc_mtx, CALLOUT_RETURNUNLOCKED); 480 481 iface_index = RT2573_IFACE_INDEX; 482 error = usb2_transfer_setup(uaa->device, &iface_index, 483 sc->sc_xfer, rum_config, RUM_N_TRANSFER, sc, &sc->sc_mtx); 484 if (error) { 485 device_printf(dev, "could not allocate USB transfers, " 486 "err=%s\n", usb2_errstr(error)); 487 goto detach; 488 } 489 error = usb2_config_td_setup(&sc->sc_config_td, sc, &sc->sc_mtx, 490 &rum_end_of_commands, 491 sizeof(struct usb2_config_td_cc), 24); 492 if (error) { 493 device_printf(dev, "could not setup config " 494 "thread!\n"); 495 goto detach; 496 } 497 mtx_lock(&sc->sc_mtx); 498 499 /* start setup */ 500 501 usb2_config_td_queue_command 502 (&sc->sc_config_td, NULL, &rum_cfg_first_time_setup, 0, 0); 503 504 /* start watchdog (will exit mutex) */ 505 506 rum_watchdog(sc); 507 508 return (0); /* success */ 509 510detach: 511 rum_detach(dev); 512 return (ENXIO); /* failure */ 513} 514 515static int 516rum_detach(device_t dev) 517{ 518 struct rum_softc *sc = device_get_softc(dev); 519 struct ieee80211com *ic; 520 struct ifnet *ifp; 521 522 usb2_config_td_drain(&sc->sc_config_td); 523 524 mtx_lock(&sc->sc_mtx); 525 526 usb2_callout_stop(&sc->sc_watchdog); 527 528 rum_cfg_pre_stop(sc, NULL, 0); 529 530 ifp = sc->sc_ifp; 531 ic = ifp->if_l2com; 532 533 mtx_unlock(&sc->sc_mtx); 534 535 /* stop all USB transfers first */ 536 usb2_transfer_unsetup(sc->sc_xfer, RUM_N_TRANSFER); 537 538 /* get rid of any late children */ 539 bus_generic_detach(dev); 540 541 if (ifp) { 542 bpfdetach(ifp); 543 ieee80211_ifdetach(ic); 544 if_free(ifp); 545 } 546 usb2_config_td_unsetup(&sc->sc_config_td); 547 548 usb2_callout_drain(&sc->sc_watchdog); 549 550 mtx_destroy(&sc->sc_mtx); 551 552 return (0); 553} 554 555static void 556rum_cfg_do_request(struct rum_softc *sc, struct usb2_device_request *req, 557 void *data) 558{ 559 uint16_t length; 560 usb2_error_t err; 561 562repeat: 563 564 if (usb2_config_td_is_gone(&sc->sc_config_td)) { 565 goto error; 566 } 567 err = usb2_do_request_flags 568 (sc->sc_udev, &sc->sc_mtx, req, data, 0, NULL, 1000); 569 570 if (err) { 571 572 DPRINTF("device request failed, err=%s " 573 "(ignored)\n", usb2_errstr(err)); 574 575 /* wait a little before next try */ 576 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 4)) { 577 goto error; 578 } 579 /* try until we are detached */ 580 goto repeat; 581 582error: 583 /* the device has been detached */ 584 length = UGETW(req->wLength); 585 586 if ((req->bmRequestType & UT_READ) && length) { 587 bzero(data, length); 588 } 589 } 590} 591 592static void 593rum_cfg_eeprom_read(struct rum_softc *sc, uint16_t addr, void *buf, uint16_t len) 594{ 595 struct usb2_device_request req; 596 597 req.bmRequestType = UT_READ_VENDOR_DEVICE; 598 req.bRequest = RT2573_READ_EEPROM; 599 USETW(req.wValue, 0); 600 USETW(req.wIndex, addr); 601 USETW(req.wLength, len); 602 603 rum_cfg_do_request(sc, &req, buf); 604} 605 606static uint16_t 607rum_cfg_eeprom_read_2(struct rum_softc *sc, uint16_t addr) 608{ 609 uint16_t tmp; 610 611 rum_cfg_eeprom_read(sc, addr, &tmp, sizeof(tmp)); 612 return (le16toh(tmp)); 613} 614 615static uint32_t 616rum_cfg_read(struct rum_softc *sc, uint16_t reg) 617{ 618 uint32_t val; 619 620 rum_cfg_read_multi(sc, reg, &val, sizeof(val)); 621 return (le32toh(val)); 622} 623 624static void 625rum_cfg_read_multi(struct rum_softc *sc, uint16_t reg, void *buf, uint16_t len) 626{ 627 struct usb2_device_request req; 628 629 req.bmRequestType = UT_READ_VENDOR_DEVICE; 630 req.bRequest = RT2573_READ_MULTI_MAC; 631 USETW(req.wValue, 0); 632 USETW(req.wIndex, reg); 633 USETW(req.wLength, len); 634 635 rum_cfg_do_request(sc, &req, buf); 636} 637 638static void 639rum_cfg_write(struct rum_softc *sc, uint16_t reg, uint32_t val) 640{ 641 uint32_t tmp = htole32(val); 642 643 rum_cfg_write_multi(sc, reg, &tmp, sizeof(tmp)); 644} 645 646static void 647rum_cfg_write_multi(struct rum_softc *sc, uint16_t reg, void *buf, uint16_t len) 648{ 649 struct usb2_device_request req; 650 651 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 652 req.bRequest = RT2573_WRITE_MULTI_MAC; 653 USETW(req.wValue, 0); 654 USETW(req.wIndex, reg); 655 USETW(req.wLength, len); 656 657 rum_cfg_do_request(sc, &req, buf); 658} 659 660static uint32_t 661rum_cfg_bbp_disbusy(struct rum_softc *sc) 662{ 663 uint32_t tmp; 664 uint8_t to; 665 666 for (to = 0;; to++) { 667 if (to < 100) { 668 tmp = rum_cfg_read(sc, RT2573_PHY_CSR3); 669 670 if ((tmp & RT2573_BBP_BUSY) == 0) { 671 return (tmp); 672 } 673 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 674 break; 675 } 676 } else { 677 break; 678 } 679 } 680 DPRINTF("could not disbusy BBP\n"); 681 return (RT2573_BBP_BUSY); /* failure */ 682} 683 684static void 685rum_cfg_bbp_write(struct rum_softc *sc, uint8_t reg, uint8_t val) 686{ 687 uint32_t tmp; 688 689 if (rum_cfg_bbp_disbusy(sc) & RT2573_BBP_BUSY) { 690 return; 691 } 692 tmp = RT2573_BBP_BUSY | ((reg & 0x7f) << 8) | val; 693 rum_cfg_write(sc, RT2573_PHY_CSR3, tmp); 694} 695 696static uint8_t 697rum_cfg_bbp_read(struct rum_softc *sc, uint8_t reg) 698{ 699 uint32_t val; 700 701 if (rum_cfg_bbp_disbusy(sc) & RT2573_BBP_BUSY) { 702 return (0); 703 } 704 val = RT2573_BBP_BUSY | RT2573_BBP_READ | (reg << 8); 705 rum_cfg_write(sc, RT2573_PHY_CSR3, val); 706 707 val = rum_cfg_bbp_disbusy(sc); 708 return (val & 0xff); 709} 710 711static void 712rum_cfg_rf_write(struct rum_softc *sc, uint8_t reg, uint32_t val) 713{ 714 uint32_t tmp; 715 uint8_t to; 716 717 reg &= 3; 718 719 for (to = 0;; to++) { 720 if (to < 100) { 721 tmp = rum_cfg_read(sc, RT2573_PHY_CSR4); 722 if (!(tmp & RT2573_RF_BUSY)) { 723 break; 724 } 725 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 726 return; 727 } 728 } else { 729 DPRINTF("could not write to RF\n"); 730 return; 731 } 732 } 733 734 tmp = RT2573_RF_BUSY | RT2573_RF_20BIT | ((val & 0xfffff) << 2) | reg; 735 rum_cfg_write(sc, RT2573_PHY_CSR4, tmp); 736 737 DPRINTFN(16, "RF R[%u] <- 0x%05x\n", reg, val & 0xfffff); 738} 739 740static void 741rum_cfg_first_time_setup(struct rum_softc *sc, 742 struct usb2_config_td_cc *cc, uint16_t refcount) 743{ 744 struct ieee80211com *ic; 745 struct ifnet *ifp; 746 uint32_t tmp; 747 uint16_t i; 748 uint8_t bands; 749 750 /* setup RX tap header */ 751 sc->sc_rxtap_len = sizeof(sc->sc_rxtap); 752 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 753 sc->sc_rxtap.wr_ihdr.it_present = htole32(RT2573_RX_RADIOTAP_PRESENT); 754 755 /* setup TX tap header */ 756 sc->sc_txtap_len = sizeof(sc->sc_txtap); 757 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 758 sc->sc_txtap.wt_ihdr.it_present = htole32(RT2573_TX_RADIOTAP_PRESENT); 759 760 /* retrieve RT2573 rev. no */ 761 for (i = 0; i < 100; i++) { 762 763 tmp = rum_cfg_read(sc, RT2573_MAC_CSR0); 764 if (tmp != 0) { 765 break; 766 } 767 /* wait a little */ 768 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 769 /* device detached */ 770 goto done; 771 } 772 } 773 774 if (tmp == 0) { 775 DPRINTF("chip is maybe not ready\n"); 776 } 777 /* retrieve MAC address and various other things from EEPROM */ 778 rum_cfg_read_eeprom(sc); 779 780 printf("%s: MAC/BBP RT2573 (rev 0x%05x), RF %s\n", 781 sc->sc_name, tmp, rum_get_rf(sc->sc_rf_rev)); 782 783 rum_cfg_load_microcode(sc, rt2573_ucode, sizeof(rt2573_ucode)); 784 785 mtx_unlock(&sc->sc_mtx); 786 787 ifp = if_alloc(IFT_IEEE80211); 788 789 mtx_lock(&sc->sc_mtx); 790 791 if (ifp == NULL) { 792 DPRINTFN(0, "could not if_alloc()!\n"); 793 goto done; 794 } 795 sc->sc_evilhack = ifp; 796 sc->sc_ifp = ifp; 797 ic = ifp->if_l2com; 798 799 ifp->if_softc = sc; 800 if_initname(ifp, "rum", sc->sc_unit); 801 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 802 ifp->if_init = &rum_init_cb; 803 ifp->if_ioctl = &rum_ioctl_cb; 804 ifp->if_start = &rum_start_cb; 805 ifp->if_watchdog = NULL; 806 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 807 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN; 808 IFQ_SET_READY(&ifp->if_snd); 809 810 bcopy(sc->sc_myaddr, ic->ic_myaddr, sizeof(ic->ic_myaddr)); 811 812 ic->ic_ifp = ifp; 813 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 814 ic->ic_opmode = IEEE80211_M_STA; 815 816 /* set device capabilities */ 817 ic->ic_caps = 818 IEEE80211_C_STA /* station mode supported */ 819 | IEEE80211_C_IBSS /* IBSS mode supported */ 820 | IEEE80211_C_MONITOR /* monitor mode supported */ 821 | IEEE80211_C_HOSTAP /* HostAp mode supported */ 822 | IEEE80211_C_TXPMGT /* tx power management */ 823 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 824 | IEEE80211_C_SHSLOT /* short slot time supported */ 825 | IEEE80211_C_BGSCAN /* bg scanning supported */ 826 | IEEE80211_C_WPA /* 802.11i */ 827 ; 828 829 bands = 0; 830 setbit(&bands, IEEE80211_MODE_11B); 831 setbit(&bands, IEEE80211_MODE_11G); 832 ieee80211_init_channels(ic, NULL, &bands); 833 834 if ((sc->sc_rf_rev == RT2573_RF_5225) || 835 (sc->sc_rf_rev == RT2573_RF_5226)) { 836 837 struct ieee80211_channel *c; 838 839 /* set supported .11a channels */ 840 for (i = 34; i <= 46; i += 4) { 841 c = ic->ic_channels + (ic->ic_nchans++); 842 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 843 c->ic_flags = IEEE80211_CHAN_A; 844 c->ic_ieee = i; 845 } 846 for (i = 36; i <= 64; i += 4) { 847 c = ic->ic_channels + (ic->ic_nchans++); 848 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 849 c->ic_flags = IEEE80211_CHAN_A; 850 c->ic_ieee = i; 851 } 852 for (i = 100; i <= 140; i += 4) { 853 c = ic->ic_channels + (ic->ic_nchans++); 854 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 855 c->ic_flags = IEEE80211_CHAN_A; 856 c->ic_ieee = i; 857 } 858 for (i = 149; i <= 165; i += 4) { 859 c = ic->ic_channels + (ic->ic_nchans++); 860 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 861 c->ic_flags = IEEE80211_CHAN_A; 862 c->ic_ieee = i; 863 } 864 } 865 mtx_unlock(&sc->sc_mtx); 866 867 ieee80211_ifattach(ic); 868 869 mtx_lock(&sc->sc_mtx); 870 871 ic->ic_newassoc = &rum_newassoc; 872 ic->ic_raw_xmit = &rum_raw_xmit_cb; 873 ic->ic_node_alloc = &rum_node_alloc; 874 ic->ic_update_mcast = &rum_update_mcast_cb; 875 ic->ic_update_promisc = &rum_update_promisc_cb; 876 ic->ic_scan_start = &rum_scan_start_cb; 877 ic->ic_scan_end = &rum_scan_end_cb; 878 ic->ic_set_channel = &rum_set_channel_cb; 879 ic->ic_vap_create = &rum_vap_create; 880 ic->ic_vap_delete = &rum_vap_delete; 881 882 sc->sc_rates = ieee80211_get_ratetable(ic->ic_curchan); 883 884 mtx_unlock(&sc->sc_mtx); 885 886 bpfattach(ifp, DLT_IEEE802_11_RADIO, 887 sizeof(struct ieee80211_frame) + sizeof(sc->sc_txtap)); 888 889 if (bootverbose) { 890 ieee80211_announce(ic); 891 } 892 mtx_lock(&sc->sc_mtx); 893done: 894 return; 895} 896 897static void 898rum_end_of_commands(struct rum_softc *sc) 899{ 900 sc->sc_flags &= ~RUM_FLAG_WAIT_COMMAND; 901 902 /* start write transfer, if not started */ 903 usb2_transfer_start(sc->sc_xfer[0]); 904} 905 906static void 907rum_config_copy_chan(struct rum_config_copy_chan *cc, 908 struct ieee80211com *ic, struct ieee80211_channel *c) 909{ 910 if (!c) 911 return; 912 cc->chan_to_ieee = 913 ieee80211_chan2ieee(ic, c); 914 if (c != IEEE80211_CHAN_ANYC) { 915 cc->chan_to_mode = 916 ieee80211_chan2mode(c); 917 if (IEEE80211_IS_CHAN_B(c)) 918 cc->chan_is_b = 1; 919 if (IEEE80211_IS_CHAN_A(c)) 920 cc->chan_is_a = 1; 921 if (IEEE80211_IS_CHAN_2GHZ(c)) 922 cc->chan_is_2ghz = 1; 923 if (IEEE80211_IS_CHAN_5GHZ(c)) 924 cc->chan_is_5ghz = 1; 925 if (IEEE80211_IS_CHAN_ANYG(c)) 926 cc->chan_is_g = 1; 927 } 928} 929 930static void 931rum_config_copy(struct rum_softc *sc, 932 struct usb2_config_td_cc *cc, uint16_t refcount) 933{ 934 struct ifnet *ifp; 935 struct ieee80211com *ic; 936 struct ieee80211_node *ni; 937 struct ieee80211vap *vap; 938 const struct ieee80211_txparam *tp; 939 940 bzero(cc, sizeof(*cc)); 941 942 ifp = sc->sc_ifp; 943 if (ifp) { 944 cc->if_flags = ifp->if_flags; 945 bcopy(ifp->if_broadcastaddr, cc->if_broadcastaddr, 946 sizeof(cc->if_broadcastaddr)); 947 948 ic = ifp->if_l2com; 949 if (ic) { 950 rum_config_copy_chan(&cc->ic_curchan, ic, ic->ic_curchan); 951 rum_config_copy_chan(&cc->ic_bsschan, ic, ic->ic_bsschan); 952 vap = TAILQ_FIRST(&ic->ic_vaps); 953 if (vap) { 954 ni = vap->iv_bss; 955 if (ni) { 956 cc->iv_bss.ni_intval = ni->ni_intval; 957 bcopy(ni->ni_bssid, cc->iv_bss.ni_bssid, 958 sizeof(cc->iv_bss.ni_bssid)); 959 } 960 tp = vap->iv_txparms + cc->ic_bsschan.chan_to_mode; 961 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) { 962 cc->iv_bss.fixed_rate_none = 1; 963 } 964 } 965 cc->ic_opmode = ic->ic_opmode; 966 cc->ic_flags = ic->ic_flags; 967 cc->ic_txpowlimit = ic->ic_txpowlimit; 968 cc->ic_curmode = ic->ic_curmode; 969 970 bcopy(ic->ic_myaddr, cc->ic_myaddr, 971 sizeof(cc->ic_myaddr)); 972 } 973 } 974 sc->sc_flags |= RUM_FLAG_WAIT_COMMAND; 975} 976 977static const char * 978rum_get_rf(uint32_t rev) 979{ 980 ; /* indent fix */ 981 switch (rev) { 982 case RT2573_RF_2527: 983 return "RT2527 (MIMO XR)"; 984 case RT2573_RF_2528: 985 return "RT2528"; 986 case RT2573_RF_5225: 987 return "RT5225 (MIMO XR)"; 988 case RT2573_RF_5226: 989 return "RT5226"; 990 default: 991 return "unknown"; 992 } 993} 994 995static void 996rum_bulk_read_callback(struct usb2_xfer *xfer) 997{ 998 struct rum_softc *sc = xfer->priv_sc; 999 struct ifnet *ifp = sc->sc_ifp; 1000 struct ieee80211com *ic = ifp->if_l2com; 1001 struct ieee80211_node *ni; 1002 1003 struct mbuf *m = NULL; 1004 uint32_t flags; 1005 uint32_t max_len; 1006 uint8_t rssi = 0; 1007 1008 switch (USB_GET_STATE(xfer)) { 1009 case USB_ST_TRANSFERRED: 1010 1011 DPRINTFN(15, "rx done, actlen=%d\n", xfer->actlen); 1012 1013 if (xfer->actlen < (RT2573_RX_DESC_SIZE + IEEE80211_MIN_LEN)) { 1014 DPRINTF("too short transfer, " 1015 "%d bytes\n", xfer->actlen); 1016 ifp->if_ierrors++; 1017 goto tr_setup; 1018 } 1019 usb2_copy_out(xfer->frbuffers, 0, 1020 &sc->sc_rx_desc, RT2573_RX_DESC_SIZE); 1021 1022 flags = le32toh(sc->sc_rx_desc.flags); 1023 1024 if (flags & RT2573_RX_CRC_ERROR) { 1025 /* 1026 * This should not happen since we did not 1027 * request to receive those frames when we 1028 * filled RAL_TXRX_CSR2: 1029 */ 1030 DPRINTFN(6, "PHY or CRC error\n"); 1031 ifp->if_ierrors++; 1032 goto tr_setup; 1033 } 1034 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1035 1036 if (m == NULL) { 1037 DPRINTF("could not allocate mbuf\n"); 1038 ifp->if_ierrors++; 1039 goto tr_setup; 1040 } 1041 max_len = (xfer->actlen - RT2573_RX_DESC_SIZE); 1042 1043 usb2_copy_out(xfer->frbuffers, RT2573_RX_DESC_SIZE, 1044 m->m_data, max_len); 1045 1046 /* finalize mbuf */ 1047 m->m_pkthdr.rcvif = ifp; 1048 m->m_pkthdr.len = m->m_len = (flags >> 16) & 0xfff; 1049 1050 if (m->m_len > max_len) { 1051 DPRINTF("invalid length in RX " 1052 "descriptor, %u bytes, received %u bytes\n", 1053 m->m_len, max_len); 1054 ifp->if_ierrors++; 1055 m_freem(m); 1056 m = NULL; 1057 goto tr_setup; 1058 } 1059 rssi = rum_get_rssi(sc, sc->sc_rx_desc.rssi); 1060 1061 DPRINTF("real length=%d bytes, rssi=%d\n", m->m_len, rssi); 1062 1063 if (bpf_peers_present(ifp->if_bpf)) { 1064 struct rum_rx_radiotap_header *tap = &sc->sc_rxtap; 1065 1066 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1067 tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate, 1068 (sc->sc_rx_desc.flags & htole32(RT2573_RX_OFDM)) ? 1069 IEEE80211_T_OFDM : IEEE80211_T_CCK); 1070 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1071 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1072 tap->wr_antenna = sc->sc_rx_ant; 1073 tap->wr_antsignal = rssi; 1074 1075 bpf_mtap2(ifp->if_bpf, tap, sc->sc_rxtap_len, m); 1076 } 1077 case USB_ST_SETUP: 1078tr_setup: 1079 1080 if (sc->sc_flags & RUM_FLAG_READ_STALL) { 1081 usb2_transfer_start(sc->sc_xfer[3]); 1082 } else { 1083 xfer->frlengths[0] = xfer->max_data_length; 1084 usb2_start_hardware(xfer); 1085 } 1086 1087 /* 1088 * At the end of a USB callback it is always safe to unlock 1089 * the private mutex of a device! That is why we do the 1090 * "ieee80211_input" here, and not some lines up! 1091 */ 1092 if (m) { 1093 mtx_unlock(&sc->sc_mtx); 1094 1095 ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *)); 1096 if (ni != NULL) { 1097 if (ieee80211_input(ni, m, rssi, RT2573_NOISE_FLOOR, 0)) { 1098 /* ignore */ 1099 } 1100 /* node is no longer needed */ 1101 ieee80211_free_node(ni); 1102 } else { 1103 if (ieee80211_input_all(ic, m, rssi, RT2573_NOISE_FLOOR, 0)) { 1104 /* ignore */ 1105 } 1106 } 1107 1108 mtx_lock(&sc->sc_mtx); 1109 } 1110 return; 1111 1112 default: /* Error */ 1113 if (xfer->error != USB_ERR_CANCELLED) { 1114 /* try to clear stall first */ 1115 sc->sc_flags |= RUM_FLAG_READ_STALL; 1116 usb2_transfer_start(sc->sc_xfer[3]); 1117 } 1118 return; 1119 1120 } 1121} 1122 1123static void 1124rum_bulk_read_clear_stall_callback(struct usb2_xfer *xfer) 1125{ 1126 struct rum_softc *sc = xfer->priv_sc; 1127 struct usb2_xfer *xfer_other = sc->sc_xfer[1]; 1128 1129 if (usb2_clear_stall_callback(xfer, xfer_other)) { 1130 DPRINTF("stall cleared\n"); 1131 sc->sc_flags &= ~RUM_FLAG_READ_STALL; 1132 usb2_transfer_start(xfer_other); 1133 } 1134} 1135 1136static uint8_t 1137rum_plcp_signal(uint16_t rate) 1138{ 1139 ; /* indent fix */ 1140 switch (rate) { 1141 /* CCK rates (NB: not IEEE std, device-specific) */ 1142 case 2: 1143 return (0x0); 1144 case 4: 1145 return (0x1); 1146 case 11: 1147 return (0x2); 1148 case 22: 1149 return (0x3); 1150 1151 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1152 case 12: 1153 return (0xb); 1154 case 18: 1155 return (0xf); 1156 case 24: 1157 return (0xa); 1158 case 36: 1159 return (0xe); 1160 case 48: 1161 return (0x9); 1162 case 72: 1163 return (0xd); 1164 case 96: 1165 return (0x8); 1166 case 108: 1167 return (0xc); 1168 1169 /* XXX unsupported/unknown rate */ 1170 default: 1171 return (0xff); 1172 } 1173} 1174 1175/* 1176 * We assume that "m->m_pkthdr.rcvif" is pointing to the "ni" that 1177 * should be freed, when "rum_setup_desc_and_tx" is called. 1178 */ 1179 1180static void 1181rum_setup_desc_and_tx(struct rum_softc *sc, struct mbuf *m, uint32_t flags, 1182 uint16_t xflags, uint16_t rate) 1183{ 1184 struct ifnet *ifp = sc->sc_ifp; 1185 struct ieee80211com *ic = ifp->if_l2com; 1186 struct mbuf *mm; 1187 enum ieee80211_phytype phytype; 1188 uint16_t plcp_length; 1189 uint16_t len; 1190 uint8_t remainder; 1191 uint8_t is_beacon; 1192 1193 if (xflags & RT2573_TX_BEACON) { 1194 xflags &= ~RT2573_TX_BEACON; 1195 is_beacon = 1; 1196 } else { 1197 is_beacon = 0; 1198 } 1199 1200 if (sc->sc_tx_queue.ifq_len >= IFQ_MAXLEN) { 1201 /* free packet */ 1202 rum_tx_freem(m); 1203 ifp->if_oerrors++; 1204 return; 1205 } 1206 if (!((sc->sc_flags & RUM_FLAG_LL_READY) && 1207 (sc->sc_flags & RUM_FLAG_HL_READY))) { 1208 /* free packet */ 1209 rum_tx_freem(m); 1210 ifp->if_oerrors++; 1211 return; 1212 } 1213 if (rate < 2) { 1214 DPRINTF("rate < 2!\n"); 1215 1216 /* avoid division by zero */ 1217 rate = 2; 1218 } 1219 ic->ic_lastdata = ticks; 1220 if (bpf_peers_present(ifp->if_bpf)) { 1221 struct rum_tx_radiotap_header *tap = &sc->sc_txtap; 1222 1223 tap->wt_flags = 0; 1224 tap->wt_rate = rate; 1225 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 1226 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 1227 tap->wt_antenna = sc->sc_tx_ant; 1228 1229 bpf_mtap2(ifp->if_bpf, tap, sc->sc_txtap_len, m); 1230 } 1231 len = m->m_pkthdr.len; 1232 1233 flags |= RT2573_TX_VALID; 1234 flags |= (len << 16); 1235 1236 sc->sc_tx_desc.flags = htole32(flags); 1237 sc->sc_tx_desc.xflags = htole16(xflags); 1238 1239 sc->sc_tx_desc.wme = htole16(RT2573_QID(0) | RT2573_AIFSN(2) | 1240 RT2573_LOGCWMIN(4) | RT2573_LOGCWMAX(10)); 1241 1242 /* setup PLCP fields */ 1243 sc->sc_tx_desc.plcp_signal = rum_plcp_signal(rate); 1244 sc->sc_tx_desc.plcp_service = 4; 1245 1246 len += IEEE80211_CRC_LEN; 1247 1248 phytype = ieee80211_rate2phytype(sc->sc_rates, rate); 1249 1250 if (phytype == IEEE80211_T_OFDM) { 1251 sc->sc_tx_desc.flags |= htole32(RT2573_TX_OFDM); 1252 1253 plcp_length = (len & 0xfff); 1254 sc->sc_tx_desc.plcp_length_hi = plcp_length >> 6; 1255 sc->sc_tx_desc.plcp_length_lo = plcp_length & 0x3f; 1256 } else { 1257 plcp_length = ((16 * len) + rate - 1) / rate; 1258 if (rate == 22) { 1259 remainder = (16 * len) % 22; 1260 if ((remainder != 0) && (remainder < 7)) { 1261 sc->sc_tx_desc.plcp_service |= 1262 RT2573_PLCP_LENGEXT; 1263 } 1264 } 1265 sc->sc_tx_desc.plcp_length_hi = plcp_length >> 8; 1266 sc->sc_tx_desc.plcp_length_lo = plcp_length & 0xff; 1267 1268 if ((rate != 2) && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) { 1269 sc->sc_tx_desc.plcp_signal |= 0x08; 1270 } 1271 } 1272 1273 if (sizeof(sc->sc_tx_desc) > MHLEN) { 1274 DPRINTF("No room for header structure!\n"); 1275 rum_tx_freem(m); 1276 return; 1277 } 1278 mm = m_gethdr(M_NOWAIT, MT_DATA); 1279 if (mm == NULL) { 1280 DPRINTF("Could not allocate header mbuf!\n"); 1281 rum_tx_freem(m); 1282 return; 1283 } 1284 bcopy(&sc->sc_tx_desc, mm->m_data, sizeof(sc->sc_tx_desc)); 1285 mm->m_len = sizeof(sc->sc_tx_desc); 1286 mm->m_next = m; 1287 mm->m_pkthdr.len = mm->m_len + m->m_pkthdr.len; 1288 mm->m_pkthdr.rcvif = NULL; 1289 1290 if (is_beacon) { 1291 1292 if (mm->m_pkthdr.len > sizeof(sc->sc_beacon_buf)) { 1293 DPRINTFN(0, "Truncating beacon" 1294 ", %u bytes!\n", mm->m_pkthdr.len); 1295 mm->m_pkthdr.len = sizeof(sc->sc_beacon_buf); 1296 } 1297 m_copydata(mm, 0, mm->m_pkthdr.len, sc->sc_beacon_buf); 1298 1299 /* copy the first 24 bytes of Tx descriptor into NIC memory */ 1300 rum_cfg_write_multi(sc, RT2573_HW_BEACON_BASE0, 1301 sc->sc_beacon_buf, mm->m_pkthdr.len); 1302 rum_tx_freem(mm); 1303 return; 1304 } 1305 /* start write transfer, if not started */ 1306 _IF_ENQUEUE(&sc->sc_tx_queue, mm); 1307 1308 usb2_transfer_start(sc->sc_xfer[0]); 1309} 1310 1311static void 1312rum_bulk_write_callback(struct usb2_xfer *xfer) 1313{ 1314 struct rum_softc *sc = xfer->priv_sc; 1315 struct ifnet *ifp = sc->sc_ifp; 1316 struct mbuf *m; 1317 uint16_t temp_len; 1318 uint8_t align; 1319 1320 switch (USB_GET_STATE(xfer)) { 1321 case USB_ST_TRANSFERRED: 1322 DPRINTFN(11, "transfer complete\n"); 1323 1324 ifp->if_opackets++; 1325 1326 case USB_ST_SETUP: 1327 if (sc->sc_flags & RUM_FLAG_WRITE_STALL) { 1328 usb2_transfer_start(sc->sc_xfer[2]); 1329 break; 1330 } 1331 if (sc->sc_flags & RUM_FLAG_WAIT_COMMAND) { 1332 /* 1333 * don't send anything while a command is pending ! 1334 */ 1335 break; 1336 } 1337 rum_fill_write_queue(sc); 1338 1339 _IF_DEQUEUE(&sc->sc_tx_queue, m); 1340 1341 if (m) { 1342 1343 if (m->m_pkthdr.len > (MCLBYTES + RT2573_TX_DESC_SIZE)) { 1344 DPRINTFN(0, "data overflow, %u bytes\n", 1345 m->m_pkthdr.len); 1346 m->m_pkthdr.len = (MCLBYTES + RT2573_TX_DESC_SIZE); 1347 } 1348 usb2_m_copy_in(xfer->frbuffers, 0, 1349 m, 0, m->m_pkthdr.len); 1350 1351 /* compute transfer length */ 1352 temp_len = m->m_pkthdr.len; 1353 1354 /* make transfer length 32-bit aligned */ 1355 align = (-(temp_len)) & 3; 1356 1357 /* check if we need to add four extra bytes */ 1358 if (((temp_len + align) % 64) == 0) { 1359 align += 4; 1360 } 1361 /* check if we need to align length */ 1362 if (align != 0) { 1363 /* zero the extra bytes */ 1364 usb2_bzero(xfer->frbuffers, temp_len, align); 1365 temp_len += align; 1366 } 1367 DPRINTFN(11, "sending frame len=%u ferlen=%u\n", 1368 m->m_pkthdr.len, temp_len); 1369 1370 xfer->frlengths[0] = temp_len; 1371 usb2_start_hardware(xfer); 1372 1373 /* free mbuf and node */ 1374 rum_tx_freem(m); 1375 1376 } 1377 break; 1378 1379 default: /* Error */ 1380 DPRINTFN(11, "transfer error, %s\n", 1381 usb2_errstr(xfer->error)); 1382 1383 if (xfer->error != USB_ERR_CANCELLED) { 1384 /* try to clear stall first */ 1385 sc->sc_flags |= RUM_FLAG_WRITE_STALL; 1386 usb2_transfer_start(sc->sc_xfer[2]); 1387 } 1388 ifp->if_oerrors++; 1389 break; 1390 } 1391} 1392 1393static void 1394rum_bulk_write_clear_stall_callback(struct usb2_xfer *xfer) 1395{ 1396 struct rum_softc *sc = xfer->priv_sc; 1397 struct usb2_xfer *xfer_other = sc->sc_xfer[0]; 1398 1399 if (usb2_clear_stall_callback(xfer, xfer_other)) { 1400 DPRINTF("stall cleared\n"); 1401 sc->sc_flags &= ~RUM_FLAG_WRITE_STALL; 1402 usb2_transfer_start(xfer_other); 1403 } 1404} 1405 1406static void 1407rum_watchdog(void *arg) 1408{ 1409 struct rum_softc *sc = arg; 1410 1411 mtx_assert(&sc->sc_mtx, MA_OWNED); 1412 1413 if (sc->sc_amrr_timer) { 1414 usb2_config_td_queue_command 1415 (&sc->sc_config_td, NULL, 1416 &rum_cfg_amrr_timeout, 0, 0); 1417 } 1418 usb2_callout_reset(&sc->sc_watchdog, 1419 hz, &rum_watchdog, sc); 1420 1421 mtx_unlock(&sc->sc_mtx); 1422} 1423 1424static void 1425rum_init_cb(void *arg) 1426{ 1427 struct rum_softc *sc = arg; 1428 1429 mtx_lock(&sc->sc_mtx); 1430 usb2_config_td_queue_command 1431 (&sc->sc_config_td, &rum_cfg_pre_init, 1432 &rum_cfg_init, 0, 0); 1433 mtx_unlock(&sc->sc_mtx); 1434} 1435 1436static int 1437rum_ioctl_cb(struct ifnet *ifp, u_long cmd, caddr_t data) 1438{ 1439 struct rum_softc *sc = ifp->if_softc; 1440 struct ieee80211com *ic = ifp->if_l2com; 1441 int error; 1442 1443 switch (cmd) { 1444 case SIOCSIFFLAGS: 1445 mtx_lock(&sc->sc_mtx); 1446 if (ifp->if_flags & IFF_UP) { 1447 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1448 usb2_config_td_queue_command 1449 (&sc->sc_config_td, &rum_cfg_pre_init, 1450 &rum_cfg_init, 0, 0); 1451 } 1452 } else { 1453 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1454 usb2_config_td_queue_command 1455 (&sc->sc_config_td, &rum_cfg_pre_stop, 1456 &rum_cfg_stop, 0, 0); 1457 } 1458 } 1459 mtx_unlock(&sc->sc_mtx); 1460 error = 0; 1461 break; 1462 1463 case SIOCGIFMEDIA: 1464 case SIOCSIFMEDIA: 1465 error = ifmedia_ioctl(ifp, (void *)data, &ic->ic_media, cmd); 1466 break; 1467 1468 default: 1469 error = ether_ioctl(ifp, cmd, data); 1470 } 1471 return (error); 1472} 1473 1474static void 1475rum_start_cb(struct ifnet *ifp) 1476{ 1477 struct rum_softc *sc = ifp->if_softc; 1478 1479 mtx_lock(&sc->sc_mtx); 1480 /* start write transfer, if not started */ 1481 usb2_transfer_start(sc->sc_xfer[0]); 1482 mtx_unlock(&sc->sc_mtx); 1483} 1484 1485static void 1486rum_cfg_newstate(struct rum_softc *sc, 1487 struct usb2_config_td_cc *cc, uint16_t refcount) 1488{ 1489 struct ifnet *ifp = sc->sc_ifp; 1490 struct ieee80211com *ic = ifp->if_l2com; 1491 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1492 struct rum_vap *uvp = RUM_VAP(vap); 1493 enum ieee80211_state ostate; 1494 enum ieee80211_state nstate; 1495 int arg; 1496 1497 ostate = vap->iv_state; 1498 nstate = sc->sc_ns_state; 1499 arg = sc->sc_ns_arg; 1500 1501 if (ostate == IEEE80211_S_INIT) { 1502 /* We are leaving INIT. TSF sync should be off. */ 1503 rum_cfg_disable_tsf_sync(sc); 1504 } 1505 switch (nstate) { 1506 case IEEE80211_S_INIT: 1507 break; 1508 1509 case IEEE80211_S_RUN: 1510 rum_cfg_set_run(sc, cc); 1511 break; 1512 1513 default: 1514 break; 1515 } 1516 1517 mtx_unlock(&sc->sc_mtx); 1518 IEEE80211_LOCK(ic); 1519 uvp->newstate(vap, nstate, arg); 1520 if (vap->iv_newstate_cb != NULL) 1521 vap->iv_newstate_cb(vap, nstate, arg); 1522 IEEE80211_UNLOCK(ic); 1523 mtx_lock(&sc->sc_mtx); 1524} 1525 1526static int 1527rum_newstate_cb(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1528{ 1529 struct rum_vap *uvp = RUM_VAP(vap); 1530 struct ieee80211com *ic = vap->iv_ic; 1531 struct rum_softc *sc = ic->ic_ifp->if_softc; 1532 1533 DPRINTF("setting new state: %d\n", nstate); 1534 1535 /* Special case - cannot defer this call and cannot block ! */ 1536 if (nstate == IEEE80211_S_INIT) { 1537 /* stop timers */ 1538 mtx_lock(&sc->sc_mtx); 1539 sc->sc_amrr_timer = 0; 1540 mtx_unlock(&sc->sc_mtx); 1541 return (uvp->newstate(vap, nstate, arg)); 1542 } 1543 mtx_lock(&sc->sc_mtx); 1544 if (usb2_config_td_is_gone(&sc->sc_config_td)) { 1545 mtx_unlock(&sc->sc_mtx); 1546 return (0); /* nothing to do */ 1547 } 1548 /* store next state */ 1549 sc->sc_ns_state = nstate; 1550 sc->sc_ns_arg = arg; 1551 1552 /* stop timers */ 1553 sc->sc_amrr_timer = 0; 1554 1555 /* 1556 * USB configuration can only be done from the USB configuration 1557 * thread: 1558 */ 1559 usb2_config_td_queue_command 1560 (&sc->sc_config_td, &rum_config_copy, 1561 &rum_cfg_newstate, 0, 0); 1562 1563 mtx_unlock(&sc->sc_mtx); 1564 1565 return (EINPROGRESS); 1566} 1567 1568static void 1569rum_std_command(struct ieee80211com *ic, usb2_config_td_command_t *func) 1570{ 1571 struct rum_softc *sc = ic->ic_ifp->if_softc; 1572 1573 mtx_lock(&sc->sc_mtx); 1574 1575 sc->sc_rates = ieee80211_get_ratetable(ic->ic_curchan); 1576 1577 usb2_config_td_queue_command 1578 (&sc->sc_config_td, &rum_config_copy, func, 0, 0); 1579 1580 mtx_unlock(&sc->sc_mtx); 1581} 1582 1583static void 1584rum_scan_start_cb(struct ieee80211com *ic) 1585{ 1586 rum_std_command(ic, &rum_cfg_scan_start); 1587} 1588 1589static void 1590rum_scan_end_cb(struct ieee80211com *ic) 1591{ 1592 rum_std_command(ic, &rum_cfg_scan_end); 1593} 1594 1595static void 1596rum_set_channel_cb(struct ieee80211com *ic) 1597{ 1598 rum_std_command(ic, &rum_cfg_set_chan); 1599} 1600 1601static void 1602rum_cfg_scan_start(struct rum_softc *sc, 1603 struct usb2_config_td_cc *cc, uint16_t refcount) 1604{ 1605 /* abort TSF synchronization */ 1606 rum_cfg_disable_tsf_sync(sc); 1607 rum_cfg_set_bssid(sc, cc->if_broadcastaddr); 1608} 1609 1610static void 1611rum_cfg_scan_end(struct rum_softc *sc, 1612 struct usb2_config_td_cc *cc, uint16_t refcount) 1613{ 1614 /* enable TSF synchronization */ 1615 rum_cfg_enable_tsf_sync(sc, cc, 0); 1616 rum_cfg_set_bssid(sc, cc->iv_bss.ni_bssid); 1617} 1618 1619/* 1620 * Reprogram MAC/BBP to switch to a new band. Values taken from the reference 1621 * driver. 1622 */ 1623static void 1624rum_cfg_select_band(struct rum_softc *sc, 1625 struct usb2_config_td_cc *cc, uint16_t refcount) 1626{ 1627 uint32_t tmp; 1628 uint8_t bbp17, bbp35, bbp96, bbp97, bbp98, bbp104; 1629 1630 /* update all BBP registers that depend on the band */ 1631 bbp17 = 0x20; 1632 bbp96 = 0x48; 1633 bbp104 = 0x2c; 1634 bbp35 = 0x50; 1635 bbp97 = 0x48; 1636 bbp98 = 0x48; 1637 1638 if (cc->ic_curchan.chan_is_5ghz) { 1639 bbp17 += 0x08; 1640 bbp96 += 0x10; 1641 bbp104 += 0x0c; 1642 bbp35 += 0x10; 1643 bbp97 += 0x10; 1644 bbp98 += 0x10; 1645 } 1646 if ((cc->ic_curchan.chan_is_2ghz && sc->sc_ext_2ghz_lna) || 1647 (cc->ic_curchan.chan_is_5ghz && sc->sc_ext_5ghz_lna)) { 1648 bbp17 += 0x10; 1649 bbp96 += 0x10; 1650 bbp104 += 0x10; 1651 } 1652 sc->sc_bbp17 = bbp17; 1653 rum_cfg_bbp_write(sc, 17, bbp17); 1654 rum_cfg_bbp_write(sc, 96, bbp96); 1655 rum_cfg_bbp_write(sc, 104, bbp104); 1656 1657 if ((cc->ic_curchan.chan_is_2ghz && sc->sc_ext_2ghz_lna) || 1658 (cc->ic_curchan.chan_is_5ghz && sc->sc_ext_5ghz_lna)) { 1659 rum_cfg_bbp_write(sc, 75, 0x80); 1660 rum_cfg_bbp_write(sc, 86, 0x80); 1661 rum_cfg_bbp_write(sc, 88, 0x80); 1662 } 1663 rum_cfg_bbp_write(sc, 35, bbp35); 1664 rum_cfg_bbp_write(sc, 97, bbp97); 1665 rum_cfg_bbp_write(sc, 98, bbp98); 1666 1667 tmp = rum_cfg_read(sc, RT2573_PHY_CSR0); 1668 tmp &= ~(RT2573_PA_PE_2GHZ | RT2573_PA_PE_5GHZ); 1669 if (cc->ic_curchan.chan_is_2ghz) 1670 tmp |= RT2573_PA_PE_2GHZ; 1671 else 1672 tmp |= RT2573_PA_PE_5GHZ; 1673 rum_cfg_write(sc, RT2573_PHY_CSR0, tmp); 1674 1675 /* 802.11a uses a 16 microseconds short interframe space */ 1676 sc->sc_sifs = cc->ic_curchan.chan_is_5ghz ? 16 : 10; 1677} 1678 1679static void 1680rum_cfg_set_chan(struct rum_softc *sc, 1681 struct usb2_config_td_cc *cc, uint16_t refcount) 1682{ 1683 enum { 1684 N_RF5225 = (sizeof(rum_rf5225) / sizeof(rum_rf5225[0]))}; 1685 const struct rfprog *rfprog; 1686 uint32_t chan; 1687 uint16_t i; 1688 uint8_t bbp3; 1689 uint8_t bbp94 = RT2573_BBPR94_DEFAULT; 1690 int8_t power; 1691 1692 chan = cc->ic_curchan.chan_to_ieee; 1693 1694 if ((chan == 0) || 1695 (chan == IEEE80211_CHAN_ANY)) { 1696 /* nothing to do */ 1697 return; 1698 } 1699 if (chan == sc->sc_last_chan) { 1700 return; 1701 } 1702 sc->sc_last_chan = chan; 1703 1704 /* select the appropriate RF settings based on what EEPROM says */ 1705 rfprog = ((sc->sc_rf_rev == RT2573_RF_5225) || 1706 (sc->sc_rf_rev == RT2573_RF_2527)) ? rum_rf5225 : rum_rf5226; 1707 1708 /* find the settings for this channel */ 1709 for (i = 0;; i++) { 1710 if (i == (N_RF5225 - 1)) 1711 break; 1712 if (rfprog[i].chan == chan) 1713 break; 1714 } 1715 1716 DPRINTF("chan=%d, i=%d\n", chan, i); 1717 1718 power = sc->sc_txpow[i]; 1719 if (power < 0) { 1720 bbp94 += power; 1721 power = 0; 1722 } else if (power > 31) { 1723 bbp94 += power - 31; 1724 power = 31; 1725 } 1726 /* 1727 * If we are switching from the 2GHz band to the 5GHz band or 1728 * vice-versa, BBP registers need to be reprogrammed. 1729 */ 1730 rum_cfg_select_band(sc, cc, 0); 1731 rum_cfg_select_antenna(sc, cc, 0); 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)); 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) | 1); 1741 rum_cfg_rf_write(sc, RT2573_RF4, rfprog[i].r4 | (sc->sc_rffreq << 10)); 1742 1743 rum_cfg_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1744 rum_cfg_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1745 rum_cfg_rf_write(sc, RT2573_RF3, rfprog[i].r3 | (power << 7)); 1746 rum_cfg_rf_write(sc, RT2573_RF4, rfprog[i].r4 | (sc->sc_rffreq << 10)); 1747 1748 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 1749 return; 1750 } 1751 /* enable smart mode for MIMO-capable RFs */ 1752 bbp3 = rum_cfg_bbp_read(sc, 3); 1753 1754 if ((sc->sc_rf_rev == RT2573_RF_5225) || 1755 (sc->sc_rf_rev == RT2573_RF_2527)) 1756 bbp3 &= ~RT2573_SMART_MODE; 1757 else 1758 bbp3 |= RT2573_SMART_MODE; 1759 1760 rum_cfg_bbp_write(sc, 3, bbp3); 1761 1762 rum_cfg_bbp_write(sc, 94, bbp94); 1763 1764 /* update basic rate set */ 1765 1766 if (cc->ic_curchan.chan_is_b) { 1767 /* 11b basic rates: 1, 2Mbps */ 1768 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x3); 1769 } else if (cc->ic_curchan.chan_is_a) { 1770 /* 11a basic rates: 6, 12, 24Mbps */ 1771 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x150); 1772 } else { 1773 /* 11b/g basic rates: 1, 2, 5.5, 11Mbps */ 1774 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0xf); 1775 } 1776 1777 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 1778 return; 1779 } 1780} 1781 1782static void 1783rum_cfg_set_run(struct rum_softc *sc, 1784 struct usb2_config_td_cc *cc) 1785{ 1786 1787 if (cc->ic_opmode != IEEE80211_M_MONITOR) { 1788 rum_cfg_update_slot(sc, cc, 0); 1789 rum_cfg_enable_mrr(sc, cc, 0); 1790 rum_cfg_set_txpreamble(sc, cc, 0); 1791 1792 /* update basic rate set */ 1793 1794 if (cc->ic_bsschan.chan_is_5ghz) { 1795 /* 11a basic rates: 6, 12, 24Mbps */ 1796 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x150); 1797 } else if (cc->ic_bsschan.chan_is_g) { 1798 /* 11b/g basic rates: 1, 2, 5.5, 11Mbps */ 1799 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0xf); 1800 } else { 1801 /* 11b basic rates: 1, 2Mbps */ 1802 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x3); 1803 } 1804 rum_cfg_set_bssid(sc, cc->iv_bss.ni_bssid); 1805 } 1806 if ((cc->ic_opmode == IEEE80211_M_HOSTAP) || 1807 (cc->ic_opmode == IEEE80211_M_IBSS)) { 1808 rum_cfg_prepare_beacon(sc, cc, 0); 1809 } 1810 if (cc->ic_opmode != IEEE80211_M_MONITOR) { 1811 rum_cfg_enable_tsf_sync(sc, cc, 0); 1812 } 1813 if (cc->iv_bss.fixed_rate_none) { 1814 /* enable automatic rate adaptation */ 1815 rum_cfg_amrr_start(sc); 1816 } 1817} 1818 1819static void 1820rum_cfg_enable_tsf_sync(struct rum_softc *sc, 1821 struct usb2_config_td_cc *cc, uint16_t refcount) 1822{ 1823 uint32_t tmp; 1824 1825 if (cc->ic_opmode != IEEE80211_M_STA) { 1826 /* 1827 * Change default 16ms TBTT adjustment to 8ms. 1828 * Must be done before enabling beacon generation. 1829 */ 1830 rum_cfg_write(sc, RT2573_TXRX_CSR10, (1 << 12) | 8); 1831 } 1832 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR9) & 0xff000000; 1833 1834 /* set beacon interval (in 1/16ms unit) */ 1835 tmp |= cc->iv_bss.ni_intval * 16; 1836 1837 tmp |= RT2573_TSF_TICKING | RT2573_ENABLE_TBTT; 1838 if (cc->ic_opmode == IEEE80211_M_STA) 1839 tmp |= RT2573_TSF_MODE(1); 1840 else 1841 tmp |= RT2573_TSF_MODE(2) | RT2573_GENERATE_BEACON; 1842 1843 rum_cfg_write(sc, RT2573_TXRX_CSR9, tmp); 1844} 1845 1846static void 1847rum_cfg_disable_tsf_sync(struct rum_softc *sc) 1848{ 1849 uint32_t tmp; 1850 1851 /* abort TSF synchronization */ 1852 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR9); 1853 rum_cfg_write(sc, RT2573_TXRX_CSR9, tmp & ~0x00ffffff); 1854} 1855 1856/* 1857 * Enable multi-rate retries for frames sent at OFDM rates. 1858 * In 802.11b/g mode, allow fallback to CCK rates. 1859 */ 1860static void 1861rum_cfg_enable_mrr(struct rum_softc *sc, 1862 struct usb2_config_td_cc *cc, uint16_t refcount) 1863{ 1864 uint32_t tmp; 1865 1866 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR4); 1867 1868 if (cc->ic_curchan.chan_is_5ghz) 1869 tmp &= ~RT2573_MRR_CCK_FALLBACK; 1870 else 1871 tmp |= RT2573_MRR_CCK_FALLBACK; 1872 1873 tmp |= RT2573_MRR_ENABLED; 1874 1875 rum_cfg_write(sc, RT2573_TXRX_CSR4, tmp); 1876} 1877 1878static void 1879rum_cfg_update_slot(struct rum_softc *sc, 1880 struct usb2_config_td_cc *cc, uint16_t refcount) 1881{ 1882 uint32_t tmp; 1883 uint8_t slottime; 1884 1885 slottime = (cc->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20; 1886 1887 tmp = rum_cfg_read(sc, RT2573_MAC_CSR9); 1888 tmp = (tmp & ~0xff) | slottime; 1889 rum_cfg_write(sc, RT2573_MAC_CSR9, tmp); 1890 1891 DPRINTF("setting slot time to %u us\n", slottime); 1892} 1893 1894static void 1895rum_cfg_set_txpreamble(struct rum_softc *sc, 1896 struct usb2_config_td_cc *cc, uint16_t refcount) 1897{ 1898 uint32_t tmp; 1899 1900 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR4); 1901 1902 if (cc->ic_flags & IEEE80211_F_SHPREAMBLE) 1903 tmp |= RT2573_SHORT_PREAMBLE; 1904 else 1905 tmp &= ~RT2573_SHORT_PREAMBLE; 1906 1907 rum_cfg_write(sc, RT2573_TXRX_CSR4, tmp); 1908} 1909 1910static void 1911rum_cfg_set_bssid(struct rum_softc *sc, uint8_t *bssid) 1912{ 1913 uint32_t tmp; 1914 1915 tmp = bssid[0] | (bssid[1] << 8) | (bssid[2] << 16) | (bssid[3] << 24); 1916 rum_cfg_write(sc, RT2573_MAC_CSR4, tmp); 1917 1918 tmp = (bssid[4]) | (bssid[5] << 8) | (RT2573_ONE_BSSID << 16); 1919 rum_cfg_write(sc, RT2573_MAC_CSR5, tmp); 1920} 1921 1922static void 1923rum_cfg_set_macaddr(struct rum_softc *sc, uint8_t *addr) 1924{ 1925 uint32_t tmp; 1926 1927 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24); 1928 rum_cfg_write(sc, RT2573_MAC_CSR2, tmp); 1929 1930 tmp = addr[4] | (addr[5] << 8) | (0xff << 16); 1931 rum_cfg_write(sc, RT2573_MAC_CSR3, tmp); 1932} 1933 1934static void 1935rum_cfg_update_promisc(struct rum_softc *sc, 1936 struct usb2_config_td_cc *cc, uint16_t refcount) 1937{ 1938 uint32_t tmp; 1939 1940 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0); 1941 1942 if (cc->if_flags & IFF_PROMISC) 1943 tmp &= ~RT2573_DROP_NOT_TO_ME; 1944 else 1945 tmp |= RT2573_DROP_NOT_TO_ME; 1946 1947 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp); 1948 1949 DPRINTF("%s promiscuous mode\n", 1950 (cc->if_flags & IFF_PROMISC) ? 1951 "entering" : "leaving"); 1952} 1953 1954static void 1955rum_cfg_select_antenna(struct rum_softc *sc, 1956 struct usb2_config_td_cc *cc, uint16_t refcount) 1957{ 1958 uint32_t tmp; 1959 uint8_t bbp3; 1960 uint8_t bbp4; 1961 uint8_t bbp77; 1962 uint8_t rx_ant; 1963 uint8_t is_5ghz; 1964 1965 bbp3 = rum_cfg_bbp_read(sc, 3); 1966 bbp4 = rum_cfg_bbp_read(sc, 4); 1967 bbp77 = rum_cfg_bbp_read(sc, 77); 1968 1969 bbp3 &= ~0x01; 1970 bbp4 &= ~0x23; 1971 1972 rx_ant = sc->sc_rx_ant; 1973 is_5ghz = cc->ic_curchan.chan_is_5ghz; 1974 1975 switch (sc->sc_rf_rev) { 1976 case RT2573_RF_5226: 1977 case RT2573_RF_5225: 1978 if (rx_ant == 0) { 1979 /* Diversity */ 1980 bbp4 |= 0x02; 1981 if (is_5ghz == 0) 1982 bbp4 |= 0x20; 1983 } else if (rx_ant == 1) { 1984 /* RX: Antenna A */ 1985 bbp4 |= 0x01; 1986 if (is_5ghz) 1987 bbp77 &= ~0x03; 1988 else 1989 bbp77 |= 0x03; 1990 } else if (rx_ant == 2) { 1991 /* RX: Antenna B */ 1992 bbp4 |= 0x01; 1993 if (is_5ghz) 1994 bbp77 |= 0x03; 1995 else 1996 bbp77 &= ~0x03; 1997 } 1998 break; 1999 2000 case RT2573_RF_2528: 2001 case RT2573_RF_2527: 2002 if (rx_ant == 0) { 2003 /* Diversity */ 2004 bbp4 |= 0x22; 2005 } else if (rx_ant == 1) { 2006 /* RX: Antenna A */ 2007 bbp4 |= 0x21; 2008 bbp77 |= 0x03; 2009 } else if (rx_ant == 2) { 2010 /* RX: Antenna B */ 2011 bbp4 |= 0x21; 2012 bbp77 &= ~0x03; 2013 } 2014 break; 2015 default: 2016 break; 2017 } 2018 bbp4 &= ~(sc->sc_ftype << 5); 2019 2020 /* make sure Rx is disabled before switching antenna */ 2021 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0); 2022 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX); 2023 2024 rum_cfg_bbp_write(sc, 3, bbp3); 2025 rum_cfg_bbp_write(sc, 4, bbp4); 2026 rum_cfg_bbp_write(sc, 77, bbp77); 2027 2028 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp); 2029} 2030 2031static void 2032rum_cfg_read_eeprom(struct rum_softc *sc) 2033{ 2034 uint16_t val; 2035 2036 /* read MAC address */ 2037 rum_cfg_eeprom_read(sc, RT2573_EEPROM_ADDRESS, sc->sc_myaddr, 6); 2038 2039 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_ANTENNA); 2040 sc->sc_rf_rev = (val >> 11) & 0x1f; 2041 sc->sc_hw_radio = (val >> 10) & 0x1; 2042 sc->sc_ftype = (val >> 6) & 0x1; 2043 sc->sc_rx_ant = (val >> 4) & 0x3; 2044 sc->sc_tx_ant = (val >> 2) & 0x3; 2045 sc->sc_nb_ant = (val & 0x3); 2046 2047 DPRINTF("RF revision=%d\n", sc->sc_rf_rev); 2048 2049 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_CONFIG2); 2050 sc->sc_ext_5ghz_lna = (val >> 6) & 0x1; 2051 sc->sc_ext_2ghz_lna = (val >> 4) & 0x1; 2052 2053 DPRINTF("External 2GHz LNA=%d, External 5GHz LNA=%d\n", 2054 sc->sc_ext_2ghz_lna, sc->sc_ext_5ghz_lna); 2055 2056 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_RSSI_2GHZ_OFFSET); 2057 if ((val & 0xff) != 0xff) 2058 sc->sc_rssi_2ghz_corr = (int8_t)(val & 0xff); /* signed */ 2059 else 2060 sc->sc_rssi_2ghz_corr = 0; 2061 2062 /* range check */ 2063 if ((sc->sc_rssi_2ghz_corr < -10) || 2064 (sc->sc_rssi_2ghz_corr > 10)) { 2065 sc->sc_rssi_2ghz_corr = 0; 2066 } 2067 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_RSSI_5GHZ_OFFSET); 2068 if ((val & 0xff) != 0xff) 2069 sc->sc_rssi_5ghz_corr = (int8_t)(val & 0xff); /* signed */ 2070 else 2071 sc->sc_rssi_5ghz_corr = 0; 2072 2073 /* range check */ 2074 if ((sc->sc_rssi_5ghz_corr < -10) || 2075 (sc->sc_rssi_5ghz_corr > 10)) { 2076 sc->sc_rssi_5ghz_corr = 0; 2077 } 2078 if (sc->sc_ext_2ghz_lna) { 2079 sc->sc_rssi_2ghz_corr -= 14; 2080 } 2081 if (sc->sc_ext_5ghz_lna) { 2082 sc->sc_rssi_5ghz_corr -= 14; 2083 } 2084 DPRINTF("RSSI 2GHz corr=%d, RSSI 5GHz corr=%d\n", 2085 sc->sc_rssi_2ghz_corr, sc->sc_rssi_5ghz_corr); 2086 2087 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_FREQ_OFFSET); 2088 if ((val & 0xff) != 0xff) 2089 sc->sc_rffreq = (val & 0xff); 2090 else 2091 sc->sc_rffreq = 0; 2092 2093 DPRINTF("RF freq=%d\n", sc->sc_rffreq); 2094 2095 /* read Tx power for all a/b/g channels */ 2096 rum_cfg_eeprom_read(sc, RT2573_EEPROM_TXPOWER, sc->sc_txpow, 14); 2097 2098 /* XXX default Tx power for 802.11a channels */ 2099 memset(sc->sc_txpow + 14, 24, sizeof(sc->sc_txpow) - 14); 2100 2101 /* read default values for BBP registers */ 2102 rum_cfg_eeprom_read(sc, RT2573_EEPROM_BBP_BASE, sc->sc_bbp_prom, 2 * 16); 2103} 2104 2105static uint8_t 2106rum_cfg_bbp_init(struct rum_softc *sc) 2107{ 2108 enum { 2109 N_DEF_BBP = (sizeof(rum_def_bbp) / sizeof(rum_def_bbp[0])), 2110 }; 2111 uint16_t i; 2112 uint8_t to; 2113 uint8_t tmp; 2114 2115 /* wait for BBP to become ready */ 2116 for (to = 0;; to++) { 2117 if (to < 100) { 2118 tmp = rum_cfg_bbp_read(sc, 0); 2119 if ((tmp != 0x00) && 2120 (tmp != 0xff)) { 2121 break; 2122 } 2123 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 2124 return (1); /* failure */ 2125 } 2126 } else { 2127 DPRINTF("timeout waiting for BBP\n"); 2128 return (1); /* failure */ 2129 } 2130 } 2131 2132 /* initialize BBP registers to default values */ 2133 for (i = 0; i < N_DEF_BBP; i++) { 2134 rum_cfg_bbp_write(sc, rum_def_bbp[i].reg, rum_def_bbp[i].val); 2135 } 2136 2137 /* write vendor-specific BBP values (from EEPROM) */ 2138 for (i = 0; i < 16; i++) { 2139 if ((sc->sc_bbp_prom[i].reg == 0) || 2140 (sc->sc_bbp_prom[i].reg == 0xff)) { 2141 continue; 2142 } 2143 rum_cfg_bbp_write(sc, sc->sc_bbp_prom[i].reg, sc->sc_bbp_prom[i].val); 2144 } 2145 return (0); 2146} 2147 2148static void 2149rum_cfg_pre_init(struct rum_softc *sc, 2150 struct usb2_config_td_cc *cc, uint16_t refcount) 2151{ 2152 struct ifnet *ifp = sc->sc_ifp; 2153 struct ieee80211com *ic = ifp->if_l2com; 2154 2155 /* immediate configuration */ 2156 2157 rum_cfg_pre_stop(sc, cc, 0); 2158 2159 ifp->if_drv_flags |= IFF_DRV_RUNNING; 2160 2161 sc->sc_flags |= RUM_FLAG_HL_READY; 2162 2163 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp)); 2164} 2165 2166static void 2167rum_cfg_init(struct rum_softc *sc, 2168 struct usb2_config_td_cc *cc, uint16_t refcount) 2169{ 2170 enum { 2171 N_DEF_MAC = (sizeof(rum_def_mac) / sizeof(rum_def_mac[0])), 2172 }; 2173 2174 uint32_t tmp; 2175 uint16_t i; 2176 uint8_t to; 2177 2178 /* delayed configuration */ 2179 2180 rum_cfg_stop(sc, cc, 0); 2181 2182 /* initialize MAC registers to default values */ 2183 for (i = 0; i < N_DEF_MAC; i++) { 2184 rum_cfg_write(sc, rum_def_mac[i].reg, rum_def_mac[i].val); 2185 } 2186 2187 /* set host ready */ 2188 rum_cfg_write(sc, RT2573_MAC_CSR1, 3); 2189 rum_cfg_write(sc, RT2573_MAC_CSR1, 0); 2190 2191 /* wait for BBP/RF to wakeup */ 2192 for (to = 0;; to++) { 2193 if (to < 100) { 2194 if (rum_cfg_read(sc, RT2573_MAC_CSR12) & 8) { 2195 break; 2196 } 2197 rum_cfg_write(sc, RT2573_MAC_CSR12, 4); /* force wakeup */ 2198 2199 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 2200 goto fail; 2201 } 2202 } else { 2203 DPRINTF("timeout waiting for " 2204 "BBP/RF to wakeup\n"); 2205 goto fail; 2206 } 2207 } 2208 2209 if (rum_cfg_bbp_init(sc)) { 2210 goto fail; 2211 } 2212 /* select default channel */ 2213 2214 sc->sc_last_chan = 0; 2215 2216 rum_cfg_set_chan(sc, cc, 0); 2217 2218 /* clear STA registers */ 2219 rum_cfg_read_multi(sc, RT2573_STA_CSR0, sc->sc_sta, sizeof(sc->sc_sta)); 2220 /* set MAC address */ 2221 rum_cfg_set_macaddr(sc, cc->ic_myaddr); 2222 2223 /* initialize ASIC */ 2224 rum_cfg_write(sc, RT2573_MAC_CSR1, 4); 2225 2226 /* 2227 * make sure that the first transaction 2228 * clears the stall: 2229 */ 2230 sc->sc_flags |= (RUM_FLAG_READ_STALL | 2231 RUM_FLAG_WRITE_STALL | 2232 RUM_FLAG_LL_READY); 2233 2234 if ((sc->sc_flags & RUM_FLAG_LL_READY) && 2235 (sc->sc_flags & RUM_FLAG_HL_READY)) { 2236 struct ifnet *ifp = sc->sc_ifp; 2237 struct ieee80211com *ic = ifp->if_l2com; 2238 2239 /* 2240 * start the USB transfers, if not already started: 2241 */ 2242 usb2_transfer_start(sc->sc_xfer[1]); 2243 usb2_transfer_start(sc->sc_xfer[0]); 2244 2245 /* 2246 * start IEEE802.11 layer 2247 */ 2248 mtx_unlock(&sc->sc_mtx); 2249 ieee80211_start_all(ic); 2250 mtx_lock(&sc->sc_mtx); 2251 } 2252 /* update Rx filter */ 2253 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0) & 0xffff; 2254 2255 tmp |= RT2573_DROP_PHY_ERROR | RT2573_DROP_CRC_ERROR; 2256 2257 if (cc->ic_opmode != IEEE80211_M_MONITOR) { 2258 tmp |= RT2573_DROP_CTL | RT2573_DROP_VER_ERROR | 2259 RT2573_DROP_ACKCTS; 2260 if (cc->ic_opmode != IEEE80211_M_HOSTAP) { 2261 tmp |= RT2573_DROP_TODS; 2262 } 2263 if (!(cc->if_flags & IFF_PROMISC)) { 2264 tmp |= RT2573_DROP_NOT_TO_ME; 2265 } 2266 } 2267 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp); 2268 2269 return; 2270 2271fail: 2272 rum_cfg_pre_stop(sc, NULL, 0); 2273 2274 if (cc) { 2275 rum_cfg_stop(sc, cc, 0); 2276 } 2277} 2278 2279static void 2280rum_cfg_pre_stop(struct rum_softc *sc, 2281 struct usb2_config_td_cc *cc, uint16_t refcount) 2282{ 2283 struct ifnet *ifp = sc->sc_ifp; 2284 2285 if (cc) { 2286 /* copy the needed configuration */ 2287 rum_config_copy(sc, cc, refcount); 2288 } 2289 /* immediate configuration */ 2290 2291 if (ifp) { 2292 /* clear flags */ 2293 ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 2294 } 2295 sc->sc_flags &= ~(RUM_FLAG_HL_READY | 2296 RUM_FLAG_LL_READY); 2297 2298 /* 2299 * stop all the transfers, if not already stopped: 2300 */ 2301 usb2_transfer_stop(sc->sc_xfer[0]); 2302 usb2_transfer_stop(sc->sc_xfer[1]); 2303 usb2_transfer_stop(sc->sc_xfer[2]); 2304 usb2_transfer_stop(sc->sc_xfer[3]); 2305 2306 /* clean up transmission */ 2307 rum_tx_clean_queue(sc); 2308} 2309 2310static void 2311rum_cfg_stop(struct rum_softc *sc, 2312 struct usb2_config_td_cc *cc, uint16_t refcount) 2313{ 2314 uint32_t tmp; 2315 2316 /* disable Rx */ 2317 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0); 2318 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX); 2319 2320 /* reset ASIC */ 2321 rum_cfg_write(sc, RT2573_MAC_CSR1, 3); 2322 2323 /* wait a little */ 2324 usb2_config_td_sleep(&sc->sc_config_td, hz / 10); 2325 2326 rum_cfg_write(sc, RT2573_MAC_CSR1, 0); 2327 2328 /* wait a little */ 2329 usb2_config_td_sleep(&sc->sc_config_td, hz / 10); 2330} 2331 2332static void 2333rum_cfg_amrr_start(struct rum_softc *sc) 2334{ 2335 struct ieee80211vap *vap; 2336 struct ieee80211_node *ni; 2337 2338 vap = rum_get_vap(sc); 2339 2340 if (vap == NULL) { 2341 return; 2342 } 2343 ni = vap->iv_bss; 2344 if (ni == NULL) { 2345 return; 2346 } 2347 /* init AMRR */ 2348 2349 ieee80211_amrr_node_init(&RUM_VAP(vap)->amrr, &RUM_NODE(ni)->amn, ni); 2350 2351 /* enable AMRR timer */ 2352 2353 sc->sc_amrr_timer = 1; 2354} 2355 2356static void 2357rum_cfg_amrr_timeout(struct rum_softc *sc, 2358 struct usb2_config_td_cc *cc, uint16_t refcount) 2359{ 2360 struct ifnet *ifp = sc->sc_ifp; 2361 struct ieee80211vap *vap; 2362 struct ieee80211_node *ni; 2363 uint32_t ok; 2364 uint32_t fail; 2365 2366 /* clear statistic registers (STA_CSR0 to STA_CSR5) */ 2367 rum_cfg_read_multi(sc, RT2573_STA_CSR0, sc->sc_sta, sizeof(sc->sc_sta)); 2368 2369 vap = rum_get_vap(sc); 2370 if (vap == NULL) { 2371 return; 2372 } 2373 ni = vap->iv_bss; 2374 if (ni == NULL) { 2375 return; 2376 } 2377 if ((sc->sc_flags & RUM_FLAG_LL_READY) && 2378 (sc->sc_flags & RUM_FLAG_HL_READY)) { 2379 2380 ok = (le32toh(sc->sc_sta[4]) >> 16) + /* TX ok w/o retry */ 2381 (le32toh(sc->sc_sta[5]) & 0xffff); /* TX ok w/ retry */ 2382 fail = (le32toh(sc->sc_sta[5]) >> 16); /* TX retry-fail count */ 2383 2384 if (sc->sc_amrr_timer) { 2385 ieee80211_amrr_tx_update(&RUM_NODE(vap->iv_bss)->amn, 2386 ok + fail, ok, (le32toh(sc->sc_sta[5]) & 0xffff) + fail); 2387 2388 if (ieee80211_amrr_choose(ni, &RUM_NODE(ni)->amn)) { 2389 /* ignore */ 2390 } 2391 } 2392 ifp->if_oerrors += fail;/* count TX retry-fail as Tx errors */ 2393 } 2394} 2395 2396static void 2397rum_cfg_load_microcode(struct rum_softc *sc, const uint8_t *ucode, uint16_t size) 2398{ 2399 struct usb2_device_request req; 2400 uint16_t reg = RT2573_MCU_CODE_BASE; 2401 2402 /* copy firmware image into NIC */ 2403 while (size >= 4) { 2404 rum_cfg_write(sc, reg, UGETDW(ucode)); 2405 reg += 4; 2406 ucode += 4; 2407 size -= 4; 2408 } 2409 2410 if (size != 0) { 2411 DPRINTF("possibly invalid firmware\n"); 2412 } 2413 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2414 req.bRequest = RT2573_MCU_CNTL; 2415 USETW(req.wValue, RT2573_MCU_RUN); 2416 USETW(req.wIndex, 0); 2417 USETW(req.wLength, 0); 2418 2419 rum_cfg_do_request(sc, &req, NULL); 2420} 2421 2422static void 2423rum_cfg_prepare_beacon(struct rum_softc *sc, 2424 struct usb2_config_td_cc *cc, uint16_t refcount) 2425{ 2426 struct ieee80211_node *ni; 2427 struct ieee80211vap *vap; 2428 struct ieee80211com *ic; 2429 const struct ieee80211_txparam *tp; 2430 struct mbuf *m; 2431 2432 vap = rum_get_vap(sc); 2433 if (vap == NULL) { 2434 return; 2435 } 2436 ni = vap->iv_bss; 2437 if (ni == NULL) { 2438 return; 2439 } 2440 ic = vap->iv_ic; 2441 if (ic == NULL) { 2442 return; 2443 } 2444 DPRINTFN(11, "Sending beacon frame.\n"); 2445 2446 m = ieee80211_beacon_alloc(ni, &RUM_VAP(vap)->bo); 2447 if (m == NULL) { 2448 DPRINTFN(0, "could not allocate beacon\n"); 2449 return; 2450 } 2451 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)]; 2452 2453 m->m_pkthdr.rcvif = (void *)ieee80211_ref_node(ni); 2454 rum_setup_desc_and_tx(sc, m, RT2573_TX_TIMESTAMP, RT2573_TX_HWSEQ | RT2573_TX_BEACON, tp->mgmtrate); 2455} 2456 2457static uint8_t 2458rum_get_rssi(struct rum_softc *sc, uint8_t raw) 2459{ 2460 struct ifnet *ifp = sc->sc_ifp; 2461 struct ieee80211com *ic = ifp->if_l2com; 2462 int16_t rssi; 2463 uint8_t lna; 2464 uint8_t agc; 2465 2466 lna = (raw >> 5) & 0x3; 2467 agc = raw & 0x1f; 2468 2469 if (lna == 0) { 2470 /* 2471 * No RSSI mapping 2472 * 2473 * NB: Since RSSI is relative to noise floor, -1 is 2474 * adequate for caller to know error happened. 2475 */ 2476 return (0); 2477 } 2478 rssi = (2 * agc) - RT2573_NOISE_FLOOR; 2479 2480 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) { 2481 2482 rssi += sc->sc_rssi_2ghz_corr; 2483 2484 if (lna == 1) 2485 rssi -= 64; 2486 else if (lna == 2) 2487 rssi -= 74; 2488 else if (lna == 3) 2489 rssi -= 90; 2490 } else { 2491 2492 rssi += sc->sc_rssi_5ghz_corr; 2493 2494 if ((!sc->sc_ext_5ghz_lna) && (lna != 1)) 2495 rssi += 4; 2496 2497 if (lna == 1) 2498 rssi -= 64; 2499 else if (lna == 2) 2500 rssi -= 86; 2501 else if (lna == 3) 2502 rssi -= 100; 2503 } 2504 2505 /* range check */ 2506 2507 if (rssi < 0) 2508 rssi = 0; 2509 else if (rssi > 255) 2510 rssi = 255; 2511 2512 return (rssi); 2513} 2514 2515static struct ieee80211vap * 2516rum_vap_create(struct ieee80211com *ic, 2517 const char name[IFNAMSIZ], int unit, int opmode, int flags, 2518 const uint8_t bssid[IEEE80211_ADDR_LEN], 2519 const uint8_t mac[IEEE80211_ADDR_LEN]) 2520{ 2521 struct rum_vap *rvp; 2522 struct ieee80211vap *vap; 2523 struct rum_softc *sc = ic->ic_ifp->if_softc; 2524 2525 DPRINTF("\n"); 2526 2527 /* Need to sync with config thread: */ 2528 mtx_lock(&sc->sc_mtx); 2529 if (usb2_config_td_sync(&sc->sc_config_td)) { 2530 mtx_unlock(&sc->sc_mtx); 2531 /* config thread is gone */ 2532 return (NULL); 2533 } 2534 mtx_unlock(&sc->sc_mtx); 2535 2536 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 2537 return NULL; 2538 rvp = (struct rum_vap *)malloc(sizeof(struct rum_vap), 2539 M_80211_VAP, M_NOWAIT | M_ZERO); 2540 if (rvp == NULL) 2541 return NULL; 2542 vap = &rvp->vap; 2543 /* enable s/w bmiss handling for sta mode */ 2544 ieee80211_vap_setup(ic, vap, name, unit, opmode, 2545 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); 2546 2547 /* override state transition machine */ 2548 rvp->newstate = vap->iv_newstate; 2549 vap->iv_newstate = &rum_newstate_cb; 2550 2551 ieee80211_amrr_init(&rvp->amrr, vap, 2552 IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD, 2553 IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD, 2554 1000 /* 1 sec */ ); 2555 2556 /* complete setup */ 2557 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status); 2558 2559 /* store current operation mode */ 2560 ic->ic_opmode = opmode; 2561 2562 return (vap); 2563} 2564 2565static void 2566rum_vap_delete(struct ieee80211vap *vap) 2567{ 2568 struct rum_vap *rvp = RUM_VAP(vap); 2569 struct rum_softc *sc = vap->iv_ic->ic_ifp->if_softc; 2570 2571 DPRINTF("\n"); 2572 2573 /* Need to sync with config thread: */ 2574 mtx_lock(&sc->sc_mtx); 2575 if (usb2_config_td_sync(&sc->sc_config_td)) { 2576 /* ignore */ 2577 } 2578 mtx_unlock(&sc->sc_mtx); 2579 2580 ieee80211_amrr_cleanup(&rvp->amrr); 2581 ieee80211_vap_detach(vap); 2582 free(rvp, M_80211_VAP); 2583} 2584 2585/* ARGUSED */ 2586static struct ieee80211_node * 2587rum_node_alloc(struct ieee80211vap *vap __unused, 2588 const uint8_t mac[IEEE80211_ADDR_LEN] __unused) 2589{ 2590 struct rum_node *rn; 2591 2592 rn = malloc(sizeof(struct rum_node), M_80211_NODE, M_NOWAIT | M_ZERO); 2593 return ((rn != NULL) ? &rn->ni : NULL); 2594} 2595 2596static void 2597rum_newassoc(struct ieee80211_node *ni, int isnew) 2598{ 2599 struct ieee80211vap *vap = ni->ni_vap; 2600 2601 ieee80211_amrr_node_init(&RUM_VAP(vap)->amrr, &RUM_NODE(ni)->amn, ni); 2602} 2603 2604static void 2605rum_fill_write_queue(struct rum_softc *sc) 2606{ 2607 struct ifnet *ifp = sc->sc_ifp; 2608 struct ieee80211_node *ni; 2609 struct mbuf *m; 2610 2611 /* 2612 * We only fill up half of the queue with data frames. The rest is 2613 * reserved for other kinds of frames. 2614 */ 2615 2616 while (sc->sc_tx_queue.ifq_len < (IFQ_MAXLEN / 2)) { 2617 2618 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2619 if (m == NULL) 2620 break; 2621 2622 ni = (void *)(m->m_pkthdr.rcvif); 2623 m = ieee80211_encap(ni, m); 2624 if (m == NULL) { 2625 ieee80211_free_node(ni); 2626 continue; 2627 } 2628 rum_tx_data(sc, m, ni); 2629 } 2630} 2631 2632static void 2633rum_tx_clean_queue(struct rum_softc *sc) 2634{ 2635 struct mbuf *m; 2636 2637 for (;;) { 2638 _IF_DEQUEUE(&sc->sc_tx_queue, m); 2639 2640 if (!m) { 2641 break; 2642 } 2643 rum_tx_freem(m); 2644 } 2645} 2646 2647static void 2648rum_tx_freem(struct mbuf *m) 2649{ 2650 struct ieee80211_node *ni; 2651 2652 while (m) { 2653 ni = (void *)(m->m_pkthdr.rcvif); 2654 if (!ni) { 2655 m = m_free(m); 2656 continue; 2657 } 2658 if (m->m_flags & M_TXCB) { 2659 ieee80211_process_callback(ni, m, 0); 2660 } 2661 m_freem(m); 2662 ieee80211_free_node(ni); 2663 2664 break; 2665 } 2666} 2667 2668static void 2669rum_tx_mgt(struct rum_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2670{ 2671 struct ieee80211vap *vap = ni->ni_vap; 2672 struct ieee80211com *ic = ni->ni_ic; 2673 const struct ieee80211_txparam *tp; 2674 struct ieee80211_frame *wh; 2675 struct ieee80211_key *k; 2676 uint32_t flags; 2677 uint16_t dur; 2678 2679 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 2680 2681 wh = mtod(m, struct ieee80211_frame *); 2682 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2683 k = ieee80211_crypto_encap(ni, m); 2684 if (k == NULL) { 2685 m_freem(m); 2686 ieee80211_free_node(ni); 2687 return; 2688 } 2689 wh = mtod(m, struct ieee80211_frame *); 2690 } 2691 flags = 0; 2692 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2693 flags |= RT2573_TX_NEED_ACK; 2694 2695 dur = ieee80211_ack_duration(sc->sc_rates, tp->mgmtrate, 2696 ic->ic_flags & IEEE80211_F_SHPREAMBLE); 2697 USETW(wh->i_dur, dur); 2698 2699 /* tell hardware to add timestamp for probe responses */ 2700 if ((wh->i_fc[0] & 2701 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2702 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) 2703 flags |= RT2573_TX_TIMESTAMP; 2704 } 2705 m->m_pkthdr.rcvif = (void *)ni; 2706 rum_setup_desc_and_tx(sc, m, flags, 0, tp->mgmtrate); 2707} 2708 2709static struct ieee80211vap * 2710rum_get_vap(struct rum_softc *sc) 2711{ 2712 struct ifnet *ifp; 2713 struct ieee80211com *ic; 2714 2715 if (sc == NULL) { 2716 return NULL; 2717 } 2718 ifp = sc->sc_ifp; 2719 if (ifp == NULL) { 2720 return NULL; 2721 } 2722 ic = ifp->if_l2com; 2723 if (ic == NULL) { 2724 return NULL; 2725 } 2726 return TAILQ_FIRST(&ic->ic_vaps); 2727} 2728 2729static void 2730rum_tx_data(struct rum_softc *sc, struct mbuf *m, 2731 struct ieee80211_node *ni) 2732{ 2733 struct ieee80211vap *vap = ni->ni_vap; 2734 struct ieee80211com *ic = ni->ni_ic; 2735 const struct ieee80211_txparam *tp; 2736 struct ieee80211_frame *wh; 2737 struct ieee80211_key *k; 2738 uint32_t flags = 0; 2739 uint16_t dur; 2740 uint16_t rate; 2741 2742 DPRINTFN(11, "Sending data.\n"); 2743 2744 wh = mtod(m, struct ieee80211_frame *); 2745 2746 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; 2747 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 2748 rate = tp->mcastrate; 2749 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2750 rate = tp->ucastrate; 2751 else 2752 rate = ni->ni_txrate; 2753 2754 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2755 k = ieee80211_crypto_encap(ni, m); 2756 if (k == NULL) { 2757 m_freem(m); 2758 ieee80211_free_node(ni); 2759 return; 2760 } 2761 /* packet header may have moved, reset our local pointer */ 2762 wh = mtod(m, struct ieee80211_frame *); 2763 } 2764 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2765 uint8_t prot = IEEE80211_PROT_NONE; 2766 2767 if (m->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) 2768 prot = IEEE80211_PROT_RTSCTS; 2769 else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2770 ieee80211_rate2phytype(sc->sc_rates, rate) == IEEE80211_T_OFDM) 2771 prot = ic->ic_protmode; 2772 if (prot != IEEE80211_PROT_NONE) { 2773 rum_tx_prot(sc, m, ni, prot, rate); 2774 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS; 2775 } 2776 flags |= RT2573_TX_NEED_ACK; 2777 flags |= RT2573_TX_MORE_FRAG; 2778 2779 dur = ieee80211_ack_duration(sc->sc_rates, rate, 2780 ic->ic_flags & IEEE80211_F_SHPREAMBLE); 2781 USETW(wh->i_dur, dur); 2782 } 2783 m->m_pkthdr.rcvif = (void *)ni; 2784 rum_setup_desc_and_tx(sc, m, flags, 0, rate); 2785} 2786 2787static void 2788rum_tx_prot(struct rum_softc *sc, 2789 const struct mbuf *m, struct ieee80211_node *ni, 2790 uint8_t prot, uint16_t rate) 2791{ 2792 struct ieee80211com *ic = ni->ni_ic; 2793 const struct ieee80211_frame *wh; 2794 struct mbuf *mprot; 2795 uint32_t flags; 2796 uint16_t protrate; 2797 uint16_t ackrate; 2798 uint16_t pktlen; 2799 uint16_t dur; 2800 uint8_t isshort; 2801 2802 KASSERT((prot == IEEE80211_PROT_RTSCTS) || 2803 (prot == IEEE80211_PROT_CTSONLY), 2804 ("protection %u", prot)); 2805 2806 DPRINTFN(11, "Sending protection frame.\n"); 2807 2808 wh = mtod(m, const struct ieee80211_frame *); 2809 pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN; 2810 2811 protrate = ieee80211_ctl_rate(sc->sc_rates, rate); 2812 ackrate = ieee80211_ack_rate(sc->sc_rates, rate); 2813 2814 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0; 2815 dur = ieee80211_compute_duration(sc->sc_rates, pktlen, rate, isshort); 2816 +ieee80211_ack_duration(sc->sc_rates, rate, isshort); 2817 flags = RT2573_TX_MORE_FRAG; 2818 if (prot == IEEE80211_PROT_RTSCTS) { 2819 /* NB: CTS is the same size as an ACK */ 2820 dur += ieee80211_ack_duration(sc->sc_rates, rate, isshort); 2821 flags |= RT2573_TX_NEED_ACK; 2822 mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur); 2823 } else { 2824 mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur); 2825 } 2826 if (mprot == NULL) { 2827 return; 2828 } 2829 mprot->m_pkthdr.rcvif = (void *)ieee80211_ref_node(ni); 2830 rum_setup_desc_and_tx(sc, mprot, flags, 0, protrate); 2831} 2832 2833static void 2834rum_tx_raw(struct rum_softc *sc, struct mbuf *m, struct ieee80211_node *ni, 2835 const struct ieee80211_bpf_params *params) 2836{ 2837 uint32_t flags; 2838 uint16_t rate; 2839 2840 DPRINTFN(11, "Sending raw frame.\n"); 2841 2842 rate = params->ibp_rate0 & IEEE80211_RATE_VAL; 2843 2844 /* XXX validate */ 2845 if (rate == 0) { 2846 m_freem(m); 2847 ieee80211_free_node(ni); 2848 return; 2849 } 2850 flags = 0; 2851 if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2852 flags |= RT2573_TX_NEED_ACK; 2853 if (params->ibp_flags & (IEEE80211_BPF_RTS | IEEE80211_BPF_CTS)) { 2854 rum_tx_prot(sc, m, ni, 2855 params->ibp_flags & IEEE80211_BPF_RTS ? 2856 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY, 2857 rate); 2858 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS; 2859 } 2860 m->m_pkthdr.rcvif = (void *)ni; 2861 rum_setup_desc_and_tx(sc, m, flags, 0, rate); 2862} 2863 2864static int 2865rum_raw_xmit_cb(struct ieee80211_node *ni, struct mbuf *m, 2866 const struct ieee80211_bpf_params *params) 2867{ 2868 struct ieee80211com *ic = ni->ni_ic; 2869 struct ifnet *ifp = ic->ic_ifp; 2870 struct rum_softc *sc = ifp->if_softc; 2871 2872 mtx_lock(&sc->sc_mtx); 2873 if (params == NULL) { 2874 /* 2875 * Legacy path; interpret frame contents to decide 2876 * precisely how to send the frame. 2877 */ 2878 rum_tx_mgt(sc, m, ni); 2879 } else { 2880 /* 2881 * Caller supplied explicit parameters to use in 2882 * sending the frame. 2883 */ 2884 rum_tx_raw(sc, m, ni, params); 2885 } 2886 mtx_unlock(&sc->sc_mtx); 2887 return (0); 2888} 2889 2890static void 2891rum_update_mcast_cb(struct ifnet *ifp) 2892{ 2893 /* not supported */ 2894} 2895 2896static void 2897rum_update_promisc_cb(struct ifnet *ifp) 2898{ 2899 struct rum_softc *sc = ifp->if_softc; 2900 2901 mtx_lock(&sc->sc_mtx); 2902 usb2_config_td_queue_command 2903 (&sc->sc_config_td, &rum_config_copy, 2904 &rum_cfg_update_promisc, 0, 0); 2905 mtx_unlock(&sc->sc_mtx); 2906} 2907