if_rum.c revision 187970
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 187970 2009-02-01 00:51:25Z 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 [RUM_BULK_DT_WR] = { 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 [RUM_BULK_DT_RD] = { 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 [RUM_BULK_CS_WR] = { 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 [RUM_BULK_CS_RD] = { 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 device_set_usb2_desc(dev); 465 466 mtx_init(&sc->sc_mtx, "rum lock", MTX_NETWORK_LOCK, 467 MTX_DEF | MTX_RECURSE); 468 469 snprintf(sc->sc_name, sizeof(sc->sc_name), "%s", 470 device_get_nameunit(dev)); 471 472 sc->sc_udev = uaa->device; 473 sc->sc_unit = device_get_unit(dev); 474 475 usb2_callout_init_mtx(&sc->sc_watchdog, &sc->sc_mtx, 0); 476 477 iface_index = RT2573_IFACE_INDEX; 478 error = usb2_transfer_setup(uaa->device, &iface_index, 479 sc->sc_xfer, rum_config, RUM_N_TRANSFER, sc, &sc->sc_mtx); 480 if (error) { 481 device_printf(dev, "could not allocate USB transfers, " 482 "err=%s\n", usb2_errstr(error)); 483 goto detach; 484 } 485 error = usb2_config_td_setup(&sc->sc_config_td, sc, &sc->sc_mtx, 486 &rum_end_of_commands, 487 sizeof(struct usb2_config_td_cc), 24); 488 if (error) { 489 device_printf(dev, "could not setup config " 490 "thread!\n"); 491 goto detach; 492 } 493 mtx_lock(&sc->sc_mtx); 494 495 /* start setup */ 496 497 usb2_config_td_queue_command 498 (&sc->sc_config_td, NULL, &rum_cfg_first_time_setup, 0, 0); 499 500 rum_watchdog(sc); 501 mtx_unlock(&sc->sc_mtx); 502 return (0); /* success */ 503 504detach: 505 rum_detach(dev); 506 return (ENXIO); /* failure */ 507} 508 509static int 510rum_detach(device_t dev) 511{ 512 struct rum_softc *sc = device_get_softc(dev); 513 struct ieee80211com *ic; 514 struct ifnet *ifp; 515 516 usb2_config_td_drain(&sc->sc_config_td); 517 518 mtx_lock(&sc->sc_mtx); 519 520 usb2_callout_stop(&sc->sc_watchdog); 521 522 rum_cfg_pre_stop(sc, NULL, 0); 523 524 ifp = sc->sc_ifp; 525 ic = ifp->if_l2com; 526 527 mtx_unlock(&sc->sc_mtx); 528 529 /* stop all USB transfers first */ 530 usb2_transfer_unsetup(sc->sc_xfer, RUM_N_TRANSFER); 531 532 /* get rid of any late children */ 533 bus_generic_detach(dev); 534 535 if (ifp) { 536 bpfdetach(ifp); 537 ieee80211_ifdetach(ic); 538 if_free(ifp); 539 } 540 usb2_config_td_unsetup(&sc->sc_config_td); 541 542 usb2_callout_drain(&sc->sc_watchdog); 543 544 mtx_destroy(&sc->sc_mtx); 545 546 return (0); 547} 548 549static void 550rum_cfg_do_request(struct rum_softc *sc, struct usb2_device_request *req, 551 void *data) 552{ 553 uint16_t length; 554 usb2_error_t err; 555 556repeat: 557 558 if (usb2_config_td_is_gone(&sc->sc_config_td)) { 559 goto error; 560 } 561 err = usb2_do_request_flags 562 (sc->sc_udev, &sc->sc_mtx, req, data, 0, NULL, 1000); 563 564 if (err) { 565 566 DPRINTF("device request failed, err=%s " 567 "(ignored)\n", usb2_errstr(err)); 568 569 /* wait a little before next try */ 570 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 4)) { 571 goto error; 572 } 573 /* try until we are detached */ 574 goto repeat; 575 576error: 577 /* the device has been detached */ 578 length = UGETW(req->wLength); 579 580 if ((req->bmRequestType & UT_READ) && length) { 581 bzero(data, length); 582 } 583 } 584} 585 586static void 587rum_cfg_eeprom_read(struct rum_softc *sc, uint16_t addr, void *buf, uint16_t len) 588{ 589 struct usb2_device_request req; 590 591 req.bmRequestType = UT_READ_VENDOR_DEVICE; 592 req.bRequest = RT2573_READ_EEPROM; 593 USETW(req.wValue, 0); 594 USETW(req.wIndex, addr); 595 USETW(req.wLength, len); 596 597 rum_cfg_do_request(sc, &req, buf); 598} 599 600static uint16_t 601rum_cfg_eeprom_read_2(struct rum_softc *sc, uint16_t addr) 602{ 603 uint16_t tmp; 604 605 rum_cfg_eeprom_read(sc, addr, &tmp, sizeof(tmp)); 606 return (le16toh(tmp)); 607} 608 609static uint32_t 610rum_cfg_read(struct rum_softc *sc, uint16_t reg) 611{ 612 uint32_t val; 613 614 rum_cfg_read_multi(sc, reg, &val, sizeof(val)); 615 return (le32toh(val)); 616} 617 618static void 619rum_cfg_read_multi(struct rum_softc *sc, uint16_t reg, void *buf, uint16_t len) 620{ 621 struct usb2_device_request req; 622 623 req.bmRequestType = UT_READ_VENDOR_DEVICE; 624 req.bRequest = RT2573_READ_MULTI_MAC; 625 USETW(req.wValue, 0); 626 USETW(req.wIndex, reg); 627 USETW(req.wLength, len); 628 629 rum_cfg_do_request(sc, &req, buf); 630} 631 632static void 633rum_cfg_write(struct rum_softc *sc, uint16_t reg, uint32_t val) 634{ 635 uint32_t tmp = htole32(val); 636 637 rum_cfg_write_multi(sc, reg, &tmp, sizeof(tmp)); 638} 639 640static void 641rum_cfg_write_multi(struct rum_softc *sc, uint16_t reg, void *buf, uint16_t len) 642{ 643 struct usb2_device_request req; 644 645 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 646 req.bRequest = RT2573_WRITE_MULTI_MAC; 647 USETW(req.wValue, 0); 648 USETW(req.wIndex, reg); 649 USETW(req.wLength, len); 650 651 rum_cfg_do_request(sc, &req, buf); 652} 653 654static uint32_t 655rum_cfg_bbp_disbusy(struct rum_softc *sc) 656{ 657 uint32_t tmp; 658 uint8_t to; 659 660 for (to = 0;; to++) { 661 if (to < 100) { 662 tmp = rum_cfg_read(sc, RT2573_PHY_CSR3); 663 664 if ((tmp & RT2573_BBP_BUSY) == 0) { 665 return (tmp); 666 } 667 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 668 break; 669 } 670 } else { 671 break; 672 } 673 } 674 DPRINTF("could not disbusy BBP\n"); 675 return (RT2573_BBP_BUSY); /* failure */ 676} 677 678static void 679rum_cfg_bbp_write(struct rum_softc *sc, uint8_t reg, uint8_t val) 680{ 681 uint32_t tmp; 682 683 if (rum_cfg_bbp_disbusy(sc) & RT2573_BBP_BUSY) { 684 return; 685 } 686 tmp = RT2573_BBP_BUSY | ((reg & 0x7f) << 8) | val; 687 rum_cfg_write(sc, RT2573_PHY_CSR3, tmp); 688} 689 690static uint8_t 691rum_cfg_bbp_read(struct rum_softc *sc, uint8_t reg) 692{ 693 uint32_t val; 694 695 if (rum_cfg_bbp_disbusy(sc) & RT2573_BBP_BUSY) { 696 return (0); 697 } 698 val = RT2573_BBP_BUSY | RT2573_BBP_READ | (reg << 8); 699 rum_cfg_write(sc, RT2573_PHY_CSR3, val); 700 701 val = rum_cfg_bbp_disbusy(sc); 702 return (val & 0xff); 703} 704 705static void 706rum_cfg_rf_write(struct rum_softc *sc, uint8_t reg, uint32_t val) 707{ 708 uint32_t tmp; 709 uint8_t to; 710 711 reg &= 3; 712 713 for (to = 0;; to++) { 714 if (to < 100) { 715 tmp = rum_cfg_read(sc, RT2573_PHY_CSR4); 716 if (!(tmp & RT2573_RF_BUSY)) { 717 break; 718 } 719 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 720 return; 721 } 722 } else { 723 DPRINTF("could not write to RF\n"); 724 return; 725 } 726 } 727 728 tmp = RT2573_RF_BUSY | RT2573_RF_20BIT | ((val & 0xfffff) << 2) | reg; 729 rum_cfg_write(sc, RT2573_PHY_CSR4, tmp); 730 731 DPRINTFN(16, "RF R[%u] <- 0x%05x\n", reg, val & 0xfffff); 732} 733 734static void 735rum_cfg_first_time_setup(struct rum_softc *sc, 736 struct usb2_config_td_cc *cc, uint16_t refcount) 737{ 738 struct ieee80211com *ic; 739 struct ifnet *ifp; 740 uint32_t tmp; 741 uint16_t i; 742 uint8_t bands; 743 744 /* setup RX tap header */ 745 sc->sc_rxtap_len = sizeof(sc->sc_rxtap); 746 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 747 sc->sc_rxtap.wr_ihdr.it_present = htole32(RT2573_RX_RADIOTAP_PRESENT); 748 749 /* setup TX tap header */ 750 sc->sc_txtap_len = sizeof(sc->sc_txtap); 751 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 752 sc->sc_txtap.wt_ihdr.it_present = htole32(RT2573_TX_RADIOTAP_PRESENT); 753 754 /* retrieve RT2573 rev. no */ 755 for (i = 0; i < 100; i++) { 756 757 tmp = rum_cfg_read(sc, RT2573_MAC_CSR0); 758 if (tmp != 0) { 759 break; 760 } 761 /* wait a little */ 762 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 763 /* device detached */ 764 goto done; 765 } 766 } 767 768 if (tmp == 0) { 769 DPRINTF("chip is maybe not ready\n"); 770 } 771 /* retrieve MAC address and various other things from EEPROM */ 772 rum_cfg_read_eeprom(sc); 773 774 printf("%s: MAC/BBP RT2573 (rev 0x%05x), RF %s\n", 775 sc->sc_name, tmp, rum_get_rf(sc->sc_rf_rev)); 776 777 rum_cfg_load_microcode(sc, rt2573_ucode, sizeof(rt2573_ucode)); 778 779 mtx_unlock(&sc->sc_mtx); 780 781 ifp = if_alloc(IFT_IEEE80211); 782 783 mtx_lock(&sc->sc_mtx); 784 785 if (ifp == NULL) { 786 DPRINTFN(0, "could not if_alloc()!\n"); 787 goto done; 788 } 789 sc->sc_ifp = ifp; 790 ic = ifp->if_l2com; 791 792 ifp->if_softc = sc; 793 if_initname(ifp, "rum", sc->sc_unit); 794 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 795 ifp->if_init = &rum_init_cb; 796 ifp->if_ioctl = &rum_ioctl_cb; 797 ifp->if_start = &rum_start_cb; 798 ifp->if_watchdog = NULL; 799 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 800 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN; 801 IFQ_SET_READY(&ifp->if_snd); 802 803 bcopy(sc->sc_myaddr, ic->ic_myaddr, sizeof(ic->ic_myaddr)); 804 805 ic->ic_ifp = ifp; 806 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 807 ic->ic_opmode = IEEE80211_M_STA; 808 809 /* set device capabilities */ 810 ic->ic_caps = 811 IEEE80211_C_STA /* station mode supported */ 812 | IEEE80211_C_IBSS /* IBSS mode supported */ 813 | IEEE80211_C_MONITOR /* monitor mode supported */ 814 | IEEE80211_C_HOSTAP /* HostAp mode supported */ 815 | IEEE80211_C_TXPMGT /* tx power management */ 816 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 817 | IEEE80211_C_SHSLOT /* short slot time supported */ 818 | IEEE80211_C_BGSCAN /* bg scanning supported */ 819 | IEEE80211_C_WPA /* 802.11i */ 820 ; 821 822 bands = 0; 823 setbit(&bands, IEEE80211_MODE_11B); 824 setbit(&bands, IEEE80211_MODE_11G); 825 ieee80211_init_channels(ic, NULL, &bands); 826 827 if ((sc->sc_rf_rev == RT2573_RF_5225) || 828 (sc->sc_rf_rev == RT2573_RF_5226)) { 829 830 struct ieee80211_channel *c; 831 832 /* set supported .11a channels */ 833 for (i = 34; i <= 46; i += 4) { 834 c = ic->ic_channels + (ic->ic_nchans++); 835 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 836 c->ic_flags = IEEE80211_CHAN_A; 837 c->ic_ieee = i; 838 } 839 for (i = 36; i <= 64; i += 4) { 840 c = ic->ic_channels + (ic->ic_nchans++); 841 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 842 c->ic_flags = IEEE80211_CHAN_A; 843 c->ic_ieee = i; 844 } 845 for (i = 100; i <= 140; i += 4) { 846 c = ic->ic_channels + (ic->ic_nchans++); 847 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 848 c->ic_flags = IEEE80211_CHAN_A; 849 c->ic_ieee = i; 850 } 851 for (i = 149; i <= 165; i += 4) { 852 c = ic->ic_channels + (ic->ic_nchans++); 853 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 854 c->ic_flags = IEEE80211_CHAN_A; 855 c->ic_ieee = i; 856 } 857 } 858 mtx_unlock(&sc->sc_mtx); 859 860 ieee80211_ifattach(ic); 861 862 mtx_lock(&sc->sc_mtx); 863 864 ic->ic_newassoc = &rum_newassoc; 865 ic->ic_raw_xmit = &rum_raw_xmit_cb; 866 ic->ic_node_alloc = &rum_node_alloc; 867 ic->ic_update_mcast = &rum_update_mcast_cb; 868 ic->ic_update_promisc = &rum_update_promisc_cb; 869 ic->ic_scan_start = &rum_scan_start_cb; 870 ic->ic_scan_end = &rum_scan_end_cb; 871 ic->ic_set_channel = &rum_set_channel_cb; 872 ic->ic_vap_create = &rum_vap_create; 873 ic->ic_vap_delete = &rum_vap_delete; 874 875 sc->sc_rates = ieee80211_get_ratetable(ic->ic_curchan); 876 877 mtx_unlock(&sc->sc_mtx); 878 879 bpfattach(ifp, DLT_IEEE802_11_RADIO, 880 sizeof(struct ieee80211_frame) + sizeof(sc->sc_txtap)); 881 882 if (bootverbose) { 883 ieee80211_announce(ic); 884 } 885 mtx_lock(&sc->sc_mtx); 886done: 887 return; 888} 889 890static void 891rum_end_of_commands(struct rum_softc *sc) 892{ 893 sc->sc_flags &= ~RUM_FLAG_WAIT_COMMAND; 894 895 /* start write transfer, if not started */ 896 usb2_transfer_start(sc->sc_xfer[RUM_BULK_DT_WR]); 897} 898 899static void 900rum_config_copy_chan(struct rum_config_copy_chan *cc, 901 struct ieee80211com *ic, struct ieee80211_channel *c) 902{ 903 if (!c) 904 return; 905 cc->chan_to_ieee = 906 ieee80211_chan2ieee(ic, c); 907 if (c != IEEE80211_CHAN_ANYC) { 908 cc->chan_to_mode = 909 ieee80211_chan2mode(c); 910 if (IEEE80211_IS_CHAN_B(c)) 911 cc->chan_is_b = 1; 912 if (IEEE80211_IS_CHAN_A(c)) 913 cc->chan_is_a = 1; 914 if (IEEE80211_IS_CHAN_2GHZ(c)) 915 cc->chan_is_2ghz = 1; 916 if (IEEE80211_IS_CHAN_5GHZ(c)) 917 cc->chan_is_5ghz = 1; 918 if (IEEE80211_IS_CHAN_ANYG(c)) 919 cc->chan_is_g = 1; 920 } 921} 922 923static void 924rum_config_copy(struct rum_softc *sc, 925 struct usb2_config_td_cc *cc, uint16_t refcount) 926{ 927 struct ifnet *ifp; 928 struct ieee80211com *ic; 929 struct ieee80211_node *ni; 930 struct ieee80211vap *vap; 931 const struct ieee80211_txparam *tp; 932 933 bzero(cc, sizeof(*cc)); 934 935 ifp = sc->sc_ifp; 936 if (ifp) { 937 cc->if_flags = ifp->if_flags; 938 bcopy(ifp->if_broadcastaddr, cc->if_broadcastaddr, 939 sizeof(cc->if_broadcastaddr)); 940 941 ic = ifp->if_l2com; 942 if (ic) { 943 rum_config_copy_chan(&cc->ic_curchan, ic, ic->ic_curchan); 944 rum_config_copy_chan(&cc->ic_bsschan, ic, ic->ic_bsschan); 945 vap = TAILQ_FIRST(&ic->ic_vaps); 946 if (vap) { 947 ni = vap->iv_bss; 948 if (ni) { 949 cc->iv_bss.ni_intval = ni->ni_intval; 950 bcopy(ni->ni_bssid, cc->iv_bss.ni_bssid, 951 sizeof(cc->iv_bss.ni_bssid)); 952 } 953 tp = vap->iv_txparms + cc->ic_bsschan.chan_to_mode; 954 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) { 955 cc->iv_bss.fixed_rate_none = 1; 956 } 957 } 958 cc->ic_opmode = ic->ic_opmode; 959 cc->ic_flags = ic->ic_flags; 960 cc->ic_txpowlimit = ic->ic_txpowlimit; 961 cc->ic_curmode = ic->ic_curmode; 962 963 bcopy(ic->ic_myaddr, cc->ic_myaddr, 964 sizeof(cc->ic_myaddr)); 965 } 966 } 967 sc->sc_flags |= RUM_FLAG_WAIT_COMMAND; 968} 969 970static const char * 971rum_get_rf(uint32_t rev) 972{ 973 ; /* indent fix */ 974 switch (rev) { 975 case RT2573_RF_2527: 976 return "RT2527 (MIMO XR)"; 977 case RT2573_RF_2528: 978 return "RT2528"; 979 case RT2573_RF_5225: 980 return "RT5225 (MIMO XR)"; 981 case RT2573_RF_5226: 982 return "RT5226"; 983 default: 984 return "unknown"; 985 } 986} 987 988static void 989rum_bulk_read_callback(struct usb2_xfer *xfer) 990{ 991 struct rum_softc *sc = xfer->priv_sc; 992 struct ifnet *ifp = sc->sc_ifp; 993 struct ieee80211com *ic = ifp->if_l2com; 994 struct ieee80211_node *ni; 995 996 struct mbuf *m = NULL; 997 uint32_t flags; 998 uint32_t max_len; 999 uint8_t rssi = 0; 1000 1001 switch (USB_GET_STATE(xfer)) { 1002 case USB_ST_TRANSFERRED: 1003 1004 DPRINTFN(15, "rx done, actlen=%d\n", xfer->actlen); 1005 1006 if (xfer->actlen < (RT2573_RX_DESC_SIZE + IEEE80211_MIN_LEN)) { 1007 DPRINTF("too short transfer, " 1008 "%d bytes\n", xfer->actlen); 1009 ifp->if_ierrors++; 1010 goto tr_setup; 1011 } 1012 usb2_copy_out(xfer->frbuffers, 0, 1013 &sc->sc_rx_desc, RT2573_RX_DESC_SIZE); 1014 1015 flags = le32toh(sc->sc_rx_desc.flags); 1016 1017 if (flags & RT2573_RX_CRC_ERROR) { 1018 /* 1019 * This should not happen since we did not 1020 * request to receive those frames when we 1021 * filled RAL_TXRX_CSR2: 1022 */ 1023 DPRINTFN(6, "PHY or CRC error\n"); 1024 ifp->if_ierrors++; 1025 goto tr_setup; 1026 } 1027 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1028 1029 if (m == NULL) { 1030 DPRINTF("could not allocate mbuf\n"); 1031 ifp->if_ierrors++; 1032 goto tr_setup; 1033 } 1034 max_len = (xfer->actlen - RT2573_RX_DESC_SIZE); 1035 1036 usb2_copy_out(xfer->frbuffers, RT2573_RX_DESC_SIZE, 1037 m->m_data, max_len); 1038 1039 /* finalize mbuf */ 1040 m->m_pkthdr.rcvif = ifp; 1041 m->m_pkthdr.len = m->m_len = (flags >> 16) & 0xfff; 1042 1043 if (m->m_len > max_len) { 1044 DPRINTF("invalid length in RX " 1045 "descriptor, %u bytes, received %u bytes\n", 1046 m->m_len, max_len); 1047 ifp->if_ierrors++; 1048 m_freem(m); 1049 m = NULL; 1050 goto tr_setup; 1051 } 1052 rssi = rum_get_rssi(sc, sc->sc_rx_desc.rssi); 1053 1054 DPRINTF("real length=%d bytes, rssi=%d\n", m->m_len, rssi); 1055 1056 if (bpf_peers_present(ifp->if_bpf)) { 1057 struct rum_rx_radiotap_header *tap = &sc->sc_rxtap; 1058 1059 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1060 tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate, 1061 (sc->sc_rx_desc.flags & htole32(RT2573_RX_OFDM)) ? 1062 IEEE80211_T_OFDM : IEEE80211_T_CCK); 1063 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1064 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1065 tap->wr_antenna = sc->sc_rx_ant; 1066 tap->wr_antsignal = rssi; 1067 1068 bpf_mtap2(ifp->if_bpf, tap, sc->sc_rxtap_len, m); 1069 } 1070 case USB_ST_SETUP: 1071tr_setup: 1072 1073 if (sc->sc_flags & RUM_FLAG_READ_STALL) { 1074 usb2_transfer_start(sc->sc_xfer[RUM_BULK_CS_RD]); 1075 } else { 1076 xfer->frlengths[0] = xfer->max_data_length; 1077 usb2_start_hardware(xfer); 1078 } 1079 1080 /* 1081 * At the end of a USB callback it is always safe to unlock 1082 * the private mutex of a device! That is why we do the 1083 * "ieee80211_input" here, and not some lines up! 1084 */ 1085 if (m) { 1086 mtx_unlock(&sc->sc_mtx); 1087 1088 ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *)); 1089 if (ni != NULL) { 1090 if (ieee80211_input(ni, m, rssi, RT2573_NOISE_FLOOR, 0)) { 1091 /* ignore */ 1092 } 1093 /* node is no longer needed */ 1094 ieee80211_free_node(ni); 1095 } else { 1096 if (ieee80211_input_all(ic, m, rssi, RT2573_NOISE_FLOOR, 0)) { 1097 /* ignore */ 1098 } 1099 } 1100 1101 mtx_lock(&sc->sc_mtx); 1102 } 1103 return; 1104 1105 default: /* Error */ 1106 if (xfer->error != USB_ERR_CANCELLED) { 1107 /* try to clear stall first */ 1108 sc->sc_flags |= RUM_FLAG_READ_STALL; 1109 usb2_transfer_start(sc->sc_xfer[RUM_BULK_CS_RD]); 1110 } 1111 return; 1112 1113 } 1114} 1115 1116static void 1117rum_bulk_read_clear_stall_callback(struct usb2_xfer *xfer) 1118{ 1119 struct rum_softc *sc = xfer->priv_sc; 1120 struct usb2_xfer *xfer_other = sc->sc_xfer[RUM_BULK_DT_RD]; 1121 1122 if (usb2_clear_stall_callback(xfer, xfer_other)) { 1123 DPRINTF("stall cleared\n"); 1124 sc->sc_flags &= ~RUM_FLAG_READ_STALL; 1125 usb2_transfer_start(xfer_other); 1126 } 1127} 1128 1129static uint8_t 1130rum_plcp_signal(uint16_t rate) 1131{ 1132 ; /* indent fix */ 1133 switch (rate) { 1134 /* CCK rates (NB: not IEEE std, device-specific) */ 1135 case 2: 1136 return (0x0); 1137 case 4: 1138 return (0x1); 1139 case 11: 1140 return (0x2); 1141 case 22: 1142 return (0x3); 1143 1144 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1145 case 12: 1146 return (0xb); 1147 case 18: 1148 return (0xf); 1149 case 24: 1150 return (0xa); 1151 case 36: 1152 return (0xe); 1153 case 48: 1154 return (0x9); 1155 case 72: 1156 return (0xd); 1157 case 96: 1158 return (0x8); 1159 case 108: 1160 return (0xc); 1161 1162 /* XXX unsupported/unknown rate */ 1163 default: 1164 return (0xff); 1165 } 1166} 1167 1168/* 1169 * We assume that "m->m_pkthdr.rcvif" is pointing to the "ni" that 1170 * should be freed, when "rum_setup_desc_and_tx" is called. 1171 */ 1172 1173static void 1174rum_setup_desc_and_tx(struct rum_softc *sc, struct mbuf *m, uint32_t flags, 1175 uint16_t xflags, uint16_t rate) 1176{ 1177 struct ifnet *ifp = sc->sc_ifp; 1178 struct ieee80211com *ic = ifp->if_l2com; 1179 struct mbuf *mm; 1180 enum ieee80211_phytype phytype; 1181 uint16_t plcp_length; 1182 uint16_t len; 1183 uint8_t remainder; 1184 uint8_t is_beacon; 1185 1186 if (xflags & RT2573_TX_BEACON) { 1187 xflags &= ~RT2573_TX_BEACON; 1188 is_beacon = 1; 1189 } else { 1190 is_beacon = 0; 1191 } 1192 1193 if (sc->sc_tx_queue.ifq_len >= IFQ_MAXLEN) { 1194 /* free packet */ 1195 rum_tx_freem(m); 1196 ifp->if_oerrors++; 1197 return; 1198 } 1199 if (!((sc->sc_flags & RUM_FLAG_LL_READY) && 1200 (sc->sc_flags & RUM_FLAG_HL_READY))) { 1201 /* free packet */ 1202 rum_tx_freem(m); 1203 ifp->if_oerrors++; 1204 return; 1205 } 1206 if (rate < 2) { 1207 DPRINTF("rate < 2!\n"); 1208 1209 /* avoid division by zero */ 1210 rate = 2; 1211 } 1212 ic->ic_lastdata = ticks; 1213 if (bpf_peers_present(ifp->if_bpf)) { 1214 struct rum_tx_radiotap_header *tap = &sc->sc_txtap; 1215 1216 tap->wt_flags = 0; 1217 tap->wt_rate = rate; 1218 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 1219 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 1220 tap->wt_antenna = sc->sc_tx_ant; 1221 1222 bpf_mtap2(ifp->if_bpf, tap, sc->sc_txtap_len, m); 1223 } 1224 len = m->m_pkthdr.len; 1225 1226 flags |= RT2573_TX_VALID; 1227 flags |= (len << 16); 1228 1229 sc->sc_tx_desc.flags = htole32(flags); 1230 sc->sc_tx_desc.xflags = htole16(xflags); 1231 1232 sc->sc_tx_desc.wme = htole16(RT2573_QID(0) | RT2573_AIFSN(2) | 1233 RT2573_LOGCWMIN(4) | RT2573_LOGCWMAX(10)); 1234 1235 /* setup PLCP fields */ 1236 sc->sc_tx_desc.plcp_signal = rum_plcp_signal(rate); 1237 sc->sc_tx_desc.plcp_service = 4; 1238 1239 len += IEEE80211_CRC_LEN; 1240 1241 phytype = ieee80211_rate2phytype(sc->sc_rates, rate); 1242 1243 if (phytype == IEEE80211_T_OFDM) { 1244 sc->sc_tx_desc.flags |= htole32(RT2573_TX_OFDM); 1245 1246 plcp_length = (len & 0xfff); 1247 sc->sc_tx_desc.plcp_length_hi = plcp_length >> 6; 1248 sc->sc_tx_desc.plcp_length_lo = plcp_length & 0x3f; 1249 } else { 1250 plcp_length = ((16 * len) + rate - 1) / rate; 1251 if (rate == 22) { 1252 remainder = (16 * len) % 22; 1253 if ((remainder != 0) && (remainder < 7)) { 1254 sc->sc_tx_desc.plcp_service |= 1255 RT2573_PLCP_LENGEXT; 1256 } 1257 } 1258 sc->sc_tx_desc.plcp_length_hi = plcp_length >> 8; 1259 sc->sc_tx_desc.plcp_length_lo = plcp_length & 0xff; 1260 1261 if ((rate != 2) && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) { 1262 sc->sc_tx_desc.plcp_signal |= 0x08; 1263 } 1264 } 1265 1266 if (sizeof(sc->sc_tx_desc) > MHLEN) { 1267 DPRINTF("No room for header structure!\n"); 1268 rum_tx_freem(m); 1269 return; 1270 } 1271 mm = m_gethdr(M_NOWAIT, MT_DATA); 1272 if (mm == NULL) { 1273 DPRINTF("Could not allocate header mbuf!\n"); 1274 rum_tx_freem(m); 1275 return; 1276 } 1277 bcopy(&sc->sc_tx_desc, mm->m_data, sizeof(sc->sc_tx_desc)); 1278 mm->m_len = sizeof(sc->sc_tx_desc); 1279 mm->m_next = m; 1280 mm->m_pkthdr.len = mm->m_len + m->m_pkthdr.len; 1281 mm->m_pkthdr.rcvif = NULL; 1282 1283 if (is_beacon) { 1284 1285 if (mm->m_pkthdr.len > sizeof(sc->sc_beacon_buf)) { 1286 DPRINTFN(0, "Truncating beacon" 1287 ", %u bytes!\n", mm->m_pkthdr.len); 1288 mm->m_pkthdr.len = sizeof(sc->sc_beacon_buf); 1289 } 1290 m_copydata(mm, 0, mm->m_pkthdr.len, sc->sc_beacon_buf); 1291 1292 /* copy the first 24 bytes of Tx descriptor into NIC memory */ 1293 rum_cfg_write_multi(sc, RT2573_HW_BEACON_BASE0, 1294 sc->sc_beacon_buf, mm->m_pkthdr.len); 1295 rum_tx_freem(mm); 1296 return; 1297 } 1298 /* start write transfer, if not started */ 1299 _IF_ENQUEUE(&sc->sc_tx_queue, mm); 1300 1301 usb2_transfer_start(sc->sc_xfer[RUM_BULK_DT_WR]); 1302} 1303 1304static void 1305rum_bulk_write_callback(struct usb2_xfer *xfer) 1306{ 1307 struct rum_softc *sc = xfer->priv_sc; 1308 struct ifnet *ifp = sc->sc_ifp; 1309 struct mbuf *m; 1310 uint16_t temp_len; 1311 uint8_t align; 1312 1313 switch (USB_GET_STATE(xfer)) { 1314 case USB_ST_TRANSFERRED: 1315 DPRINTFN(11, "transfer complete\n"); 1316 1317 ifp->if_opackets++; 1318 1319 case USB_ST_SETUP: 1320 if (sc->sc_flags & RUM_FLAG_WRITE_STALL) { 1321 usb2_transfer_start(sc->sc_xfer[RUM_BULK_CS_WR]); 1322 break; 1323 } 1324 if (sc->sc_flags & RUM_FLAG_WAIT_COMMAND) { 1325 /* 1326 * don't send anything while a command is pending ! 1327 */ 1328 break; 1329 } 1330 rum_fill_write_queue(sc); 1331 1332 _IF_DEQUEUE(&sc->sc_tx_queue, m); 1333 1334 if (m) { 1335 1336 if (m->m_pkthdr.len > (MCLBYTES + RT2573_TX_DESC_SIZE)) { 1337 DPRINTFN(0, "data overflow, %u bytes\n", 1338 m->m_pkthdr.len); 1339 m->m_pkthdr.len = (MCLBYTES + RT2573_TX_DESC_SIZE); 1340 } 1341 usb2_m_copy_in(xfer->frbuffers, 0, 1342 m, 0, m->m_pkthdr.len); 1343 1344 /* compute transfer length */ 1345 temp_len = m->m_pkthdr.len; 1346 1347 /* make transfer length 32-bit aligned */ 1348 align = (-(temp_len)) & 3; 1349 1350 /* check if we need to add four extra bytes */ 1351 if (((temp_len + align) % 64) == 0) { 1352 align += 4; 1353 } 1354 /* check if we need to align length */ 1355 if (align != 0) { 1356 /* zero the extra bytes */ 1357 usb2_bzero(xfer->frbuffers, temp_len, align); 1358 temp_len += align; 1359 } 1360 DPRINTFN(11, "sending frame len=%u ferlen=%u\n", 1361 m->m_pkthdr.len, temp_len); 1362 1363 xfer->frlengths[0] = temp_len; 1364 usb2_start_hardware(xfer); 1365 1366 /* free mbuf and node */ 1367 rum_tx_freem(m); 1368 1369 } 1370 break; 1371 1372 default: /* Error */ 1373 DPRINTFN(11, "transfer error, %s\n", 1374 usb2_errstr(xfer->error)); 1375 1376 if (xfer->error != USB_ERR_CANCELLED) { 1377 /* try to clear stall first */ 1378 sc->sc_flags |= RUM_FLAG_WRITE_STALL; 1379 usb2_transfer_start(sc->sc_xfer[RUM_BULK_CS_WR]); 1380 } 1381 ifp->if_oerrors++; 1382 break; 1383 } 1384} 1385 1386static void 1387rum_bulk_write_clear_stall_callback(struct usb2_xfer *xfer) 1388{ 1389 struct rum_softc *sc = xfer->priv_sc; 1390 struct usb2_xfer *xfer_other = sc->sc_xfer[RUM_BULK_DT_WR]; 1391 1392 if (usb2_clear_stall_callback(xfer, xfer_other)) { 1393 DPRINTF("stall cleared\n"); 1394 sc->sc_flags &= ~RUM_FLAG_WRITE_STALL; 1395 usb2_transfer_start(xfer_other); 1396 } 1397} 1398 1399static void 1400rum_watchdog(void *arg) 1401{ 1402 struct rum_softc *sc = arg; 1403 1404 mtx_assert(&sc->sc_mtx, MA_OWNED); 1405 1406 if (sc->sc_amrr_timer) { 1407 usb2_config_td_queue_command 1408 (&sc->sc_config_td, NULL, 1409 &rum_cfg_amrr_timeout, 0, 0); 1410 } 1411 usb2_callout_reset(&sc->sc_watchdog, 1412 hz, &rum_watchdog, sc); 1413} 1414 1415static void 1416rum_init_cb(void *arg) 1417{ 1418 struct rum_softc *sc = arg; 1419 1420 mtx_lock(&sc->sc_mtx); 1421 usb2_config_td_queue_command 1422 (&sc->sc_config_td, &rum_cfg_pre_init, 1423 &rum_cfg_init, 0, 0); 1424 mtx_unlock(&sc->sc_mtx); 1425} 1426 1427static int 1428rum_ioctl_cb(struct ifnet *ifp, u_long cmd, caddr_t data) 1429{ 1430 struct rum_softc *sc = ifp->if_softc; 1431 struct ieee80211com *ic = ifp->if_l2com; 1432 int error; 1433 1434 switch (cmd) { 1435 case SIOCSIFFLAGS: 1436 mtx_lock(&sc->sc_mtx); 1437 if (ifp->if_flags & IFF_UP) { 1438 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1439 usb2_config_td_queue_command 1440 (&sc->sc_config_td, &rum_cfg_pre_init, 1441 &rum_cfg_init, 0, 0); 1442 } 1443 } else { 1444 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1445 usb2_config_td_queue_command 1446 (&sc->sc_config_td, &rum_cfg_pre_stop, 1447 &rum_cfg_stop, 0, 0); 1448 } 1449 } 1450 mtx_unlock(&sc->sc_mtx); 1451 error = 0; 1452 break; 1453 1454 case SIOCGIFMEDIA: 1455 case SIOCSIFMEDIA: 1456 error = ifmedia_ioctl(ifp, (void *)data, &ic->ic_media, cmd); 1457 break; 1458 1459 default: 1460 error = ether_ioctl(ifp, cmd, data); 1461 } 1462 return (error); 1463} 1464 1465static void 1466rum_start_cb(struct ifnet *ifp) 1467{ 1468 struct rum_softc *sc = ifp->if_softc; 1469 1470 mtx_lock(&sc->sc_mtx); 1471 /* start write transfer, if not started */ 1472 usb2_transfer_start(sc->sc_xfer[RUM_BULK_DT_WR]); 1473 mtx_unlock(&sc->sc_mtx); 1474} 1475 1476static void 1477rum_cfg_newstate(struct rum_softc *sc, 1478 struct usb2_config_td_cc *cc, uint16_t refcount) 1479{ 1480 struct ifnet *ifp = sc->sc_ifp; 1481 struct ieee80211com *ic = ifp->if_l2com; 1482 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1483 struct rum_vap *uvp = RUM_VAP(vap); 1484 enum ieee80211_state ostate; 1485 enum ieee80211_state nstate; 1486 int arg; 1487 1488 ostate = vap->iv_state; 1489 nstate = sc->sc_ns_state; 1490 arg = sc->sc_ns_arg; 1491 1492 if (ostate == IEEE80211_S_INIT) { 1493 /* We are leaving INIT. TSF sync should be off. */ 1494 rum_cfg_disable_tsf_sync(sc); 1495 } 1496 switch (nstate) { 1497 case IEEE80211_S_INIT: 1498 break; 1499 1500 case IEEE80211_S_RUN: 1501 rum_cfg_set_run(sc, cc); 1502 break; 1503 1504 default: 1505 break; 1506 } 1507 1508 mtx_unlock(&sc->sc_mtx); 1509 IEEE80211_LOCK(ic); 1510 uvp->newstate(vap, nstate, arg); 1511 if (vap->iv_newstate_cb != NULL) 1512 vap->iv_newstate_cb(vap, nstate, arg); 1513 IEEE80211_UNLOCK(ic); 1514 mtx_lock(&sc->sc_mtx); 1515} 1516 1517static int 1518rum_newstate_cb(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1519{ 1520 struct rum_vap *uvp = RUM_VAP(vap); 1521 struct ieee80211com *ic = vap->iv_ic; 1522 struct rum_softc *sc = ic->ic_ifp->if_softc; 1523 1524 DPRINTF("setting new state: %d\n", nstate); 1525 1526 /* Special case - cannot defer this call and cannot block ! */ 1527 if (nstate == IEEE80211_S_INIT) { 1528 /* stop timers */ 1529 mtx_lock(&sc->sc_mtx); 1530 sc->sc_amrr_timer = 0; 1531 mtx_unlock(&sc->sc_mtx); 1532 return (uvp->newstate(vap, nstate, arg)); 1533 } 1534 mtx_lock(&sc->sc_mtx); 1535 if (usb2_config_td_is_gone(&sc->sc_config_td)) { 1536 mtx_unlock(&sc->sc_mtx); 1537 return (0); /* nothing to do */ 1538 } 1539 /* store next state */ 1540 sc->sc_ns_state = nstate; 1541 sc->sc_ns_arg = arg; 1542 1543 /* stop timers */ 1544 sc->sc_amrr_timer = 0; 1545 1546 /* 1547 * USB configuration can only be done from the USB configuration 1548 * thread: 1549 */ 1550 usb2_config_td_queue_command 1551 (&sc->sc_config_td, &rum_config_copy, 1552 &rum_cfg_newstate, 0, 0); 1553 1554 mtx_unlock(&sc->sc_mtx); 1555 1556 return (EINPROGRESS); 1557} 1558 1559static void 1560rum_std_command(struct ieee80211com *ic, usb2_config_td_command_t *func) 1561{ 1562 struct rum_softc *sc = ic->ic_ifp->if_softc; 1563 1564 mtx_lock(&sc->sc_mtx); 1565 1566 sc->sc_rates = ieee80211_get_ratetable(ic->ic_curchan); 1567 1568 usb2_config_td_queue_command 1569 (&sc->sc_config_td, &rum_config_copy, func, 0, 0); 1570 1571 mtx_unlock(&sc->sc_mtx); 1572} 1573 1574static void 1575rum_scan_start_cb(struct ieee80211com *ic) 1576{ 1577 rum_std_command(ic, &rum_cfg_scan_start); 1578} 1579 1580static void 1581rum_scan_end_cb(struct ieee80211com *ic) 1582{ 1583 rum_std_command(ic, &rum_cfg_scan_end); 1584} 1585 1586static void 1587rum_set_channel_cb(struct ieee80211com *ic) 1588{ 1589 rum_std_command(ic, &rum_cfg_set_chan); 1590} 1591 1592static void 1593rum_cfg_scan_start(struct rum_softc *sc, 1594 struct usb2_config_td_cc *cc, uint16_t refcount) 1595{ 1596 /* abort TSF synchronization */ 1597 rum_cfg_disable_tsf_sync(sc); 1598 rum_cfg_set_bssid(sc, cc->if_broadcastaddr); 1599} 1600 1601static void 1602rum_cfg_scan_end(struct rum_softc *sc, 1603 struct usb2_config_td_cc *cc, uint16_t refcount) 1604{ 1605 /* enable TSF synchronization */ 1606 rum_cfg_enable_tsf_sync(sc, cc, 0); 1607 rum_cfg_set_bssid(sc, cc->iv_bss.ni_bssid); 1608} 1609 1610/* 1611 * Reprogram MAC/BBP to switch to a new band. Values taken from the reference 1612 * driver. 1613 */ 1614static void 1615rum_cfg_select_band(struct rum_softc *sc, 1616 struct usb2_config_td_cc *cc, uint16_t refcount) 1617{ 1618 uint32_t tmp; 1619 uint8_t bbp17, bbp35, bbp96, bbp97, bbp98, bbp104; 1620 1621 /* update all BBP registers that depend on the band */ 1622 bbp17 = 0x20; 1623 bbp96 = 0x48; 1624 bbp104 = 0x2c; 1625 bbp35 = 0x50; 1626 bbp97 = 0x48; 1627 bbp98 = 0x48; 1628 1629 if (cc->ic_curchan.chan_is_5ghz) { 1630 bbp17 += 0x08; 1631 bbp96 += 0x10; 1632 bbp104 += 0x0c; 1633 bbp35 += 0x10; 1634 bbp97 += 0x10; 1635 bbp98 += 0x10; 1636 } 1637 if ((cc->ic_curchan.chan_is_2ghz && sc->sc_ext_2ghz_lna) || 1638 (cc->ic_curchan.chan_is_5ghz && sc->sc_ext_5ghz_lna)) { 1639 bbp17 += 0x10; 1640 bbp96 += 0x10; 1641 bbp104 += 0x10; 1642 } 1643 sc->sc_bbp17 = bbp17; 1644 rum_cfg_bbp_write(sc, 17, bbp17); 1645 rum_cfg_bbp_write(sc, 96, bbp96); 1646 rum_cfg_bbp_write(sc, 104, bbp104); 1647 1648 if ((cc->ic_curchan.chan_is_2ghz && sc->sc_ext_2ghz_lna) || 1649 (cc->ic_curchan.chan_is_5ghz && sc->sc_ext_5ghz_lna)) { 1650 rum_cfg_bbp_write(sc, 75, 0x80); 1651 rum_cfg_bbp_write(sc, 86, 0x80); 1652 rum_cfg_bbp_write(sc, 88, 0x80); 1653 } 1654 rum_cfg_bbp_write(sc, 35, bbp35); 1655 rum_cfg_bbp_write(sc, 97, bbp97); 1656 rum_cfg_bbp_write(sc, 98, bbp98); 1657 1658 tmp = rum_cfg_read(sc, RT2573_PHY_CSR0); 1659 tmp &= ~(RT2573_PA_PE_2GHZ | RT2573_PA_PE_5GHZ); 1660 if (cc->ic_curchan.chan_is_2ghz) 1661 tmp |= RT2573_PA_PE_2GHZ; 1662 else 1663 tmp |= RT2573_PA_PE_5GHZ; 1664 rum_cfg_write(sc, RT2573_PHY_CSR0, tmp); 1665 1666 /* 802.11a uses a 16 microseconds short interframe space */ 1667 sc->sc_sifs = cc->ic_curchan.chan_is_5ghz ? 16 : 10; 1668} 1669 1670static void 1671rum_cfg_set_chan(struct rum_softc *sc, 1672 struct usb2_config_td_cc *cc, uint16_t refcount) 1673{ 1674 enum { 1675 N_RF5225 = (sizeof(rum_rf5225) / sizeof(rum_rf5225[0]))}; 1676 const struct rfprog *rfprog; 1677 uint32_t chan; 1678 uint16_t i; 1679 uint8_t bbp3; 1680 uint8_t bbp94 = RT2573_BBPR94_DEFAULT; 1681 int8_t power; 1682 1683 chan = cc->ic_curchan.chan_to_ieee; 1684 1685 if ((chan == 0) || 1686 (chan == IEEE80211_CHAN_ANY)) { 1687 /* nothing to do */ 1688 return; 1689 } 1690 if (chan == sc->sc_last_chan) { 1691 return; 1692 } 1693 sc->sc_last_chan = chan; 1694 1695 /* select the appropriate RF settings based on what EEPROM says */ 1696 rfprog = ((sc->sc_rf_rev == RT2573_RF_5225) || 1697 (sc->sc_rf_rev == RT2573_RF_2527)) ? rum_rf5225 : rum_rf5226; 1698 1699 /* find the settings for this channel */ 1700 for (i = 0;; i++) { 1701 if (i == (N_RF5225 - 1)) 1702 break; 1703 if (rfprog[i].chan == chan) 1704 break; 1705 } 1706 1707 DPRINTF("chan=%d, i=%d\n", chan, i); 1708 1709 power = sc->sc_txpow[i]; 1710 if (power < 0) { 1711 bbp94 += power; 1712 power = 0; 1713 } else if (power > 31) { 1714 bbp94 += power - 31; 1715 power = 31; 1716 } 1717 /* 1718 * If we are switching from the 2GHz band to the 5GHz band or 1719 * vice-versa, BBP registers need to be reprogrammed. 1720 */ 1721 rum_cfg_select_band(sc, cc, 0); 1722 rum_cfg_select_antenna(sc, cc, 0); 1723 1724 rum_cfg_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1725 rum_cfg_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1726 rum_cfg_rf_write(sc, RT2573_RF3, rfprog[i].r3 | (power << 7)); 1727 rum_cfg_rf_write(sc, RT2573_RF4, rfprog[i].r4 | (sc->sc_rffreq << 10)); 1728 1729 rum_cfg_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1730 rum_cfg_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1731 rum_cfg_rf_write(sc, RT2573_RF3, rfprog[i].r3 | (power << 7) | 1); 1732 rum_cfg_rf_write(sc, RT2573_RF4, rfprog[i].r4 | (sc->sc_rffreq << 10)); 1733 1734 rum_cfg_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1735 rum_cfg_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1736 rum_cfg_rf_write(sc, RT2573_RF3, rfprog[i].r3 | (power << 7)); 1737 rum_cfg_rf_write(sc, RT2573_RF4, rfprog[i].r4 | (sc->sc_rffreq << 10)); 1738 1739 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 1740 return; 1741 } 1742 /* enable smart mode for MIMO-capable RFs */ 1743 bbp3 = rum_cfg_bbp_read(sc, 3); 1744 1745 if ((sc->sc_rf_rev == RT2573_RF_5225) || 1746 (sc->sc_rf_rev == RT2573_RF_2527)) 1747 bbp3 &= ~RT2573_SMART_MODE; 1748 else 1749 bbp3 |= RT2573_SMART_MODE; 1750 1751 rum_cfg_bbp_write(sc, 3, bbp3); 1752 1753 rum_cfg_bbp_write(sc, 94, bbp94); 1754 1755 /* update basic rate set */ 1756 1757 if (cc->ic_curchan.chan_is_b) { 1758 /* 11b basic rates: 1, 2Mbps */ 1759 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x3); 1760 } else if (cc->ic_curchan.chan_is_a) { 1761 /* 11a basic rates: 6, 12, 24Mbps */ 1762 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x150); 1763 } else { 1764 /* 11b/g basic rates: 1, 2, 5.5, 11Mbps */ 1765 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0xf); 1766 } 1767 1768 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 1769 return; 1770 } 1771} 1772 1773static void 1774rum_cfg_set_run(struct rum_softc *sc, 1775 struct usb2_config_td_cc *cc) 1776{ 1777 1778 if (cc->ic_opmode != IEEE80211_M_MONITOR) { 1779 rum_cfg_update_slot(sc, cc, 0); 1780 rum_cfg_enable_mrr(sc, cc, 0); 1781 rum_cfg_set_txpreamble(sc, cc, 0); 1782 1783 /* update basic rate set */ 1784 1785 if (cc->ic_bsschan.chan_is_5ghz) { 1786 /* 11a basic rates: 6, 12, 24Mbps */ 1787 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x150); 1788 } else if (cc->ic_bsschan.chan_is_g) { 1789 /* 11b/g basic rates: 1, 2, 5.5, 11Mbps */ 1790 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0xf); 1791 } else { 1792 /* 11b basic rates: 1, 2Mbps */ 1793 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x3); 1794 } 1795 rum_cfg_set_bssid(sc, cc->iv_bss.ni_bssid); 1796 } 1797 if ((cc->ic_opmode == IEEE80211_M_HOSTAP) || 1798 (cc->ic_opmode == IEEE80211_M_IBSS)) { 1799 rum_cfg_prepare_beacon(sc, cc, 0); 1800 } 1801 if (cc->ic_opmode != IEEE80211_M_MONITOR) { 1802 rum_cfg_enable_tsf_sync(sc, cc, 0); 1803 } 1804 if (cc->iv_bss.fixed_rate_none) { 1805 /* enable automatic rate adaptation */ 1806 rum_cfg_amrr_start(sc); 1807 } 1808} 1809 1810static void 1811rum_cfg_enable_tsf_sync(struct rum_softc *sc, 1812 struct usb2_config_td_cc *cc, uint16_t refcount) 1813{ 1814 uint32_t tmp; 1815 1816 if (cc->ic_opmode != IEEE80211_M_STA) { 1817 /* 1818 * Change default 16ms TBTT adjustment to 8ms. 1819 * Must be done before enabling beacon generation. 1820 */ 1821 rum_cfg_write(sc, RT2573_TXRX_CSR10, (1 << 12) | 8); 1822 } 1823 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR9) & 0xff000000; 1824 1825 /* set beacon interval (in 1/16ms unit) */ 1826 tmp |= cc->iv_bss.ni_intval * 16; 1827 1828 tmp |= RT2573_TSF_TICKING | RT2573_ENABLE_TBTT; 1829 if (cc->ic_opmode == IEEE80211_M_STA) 1830 tmp |= RT2573_TSF_MODE(1); 1831 else 1832 tmp |= RT2573_TSF_MODE(2) | RT2573_GENERATE_BEACON; 1833 1834 rum_cfg_write(sc, RT2573_TXRX_CSR9, tmp); 1835} 1836 1837static void 1838rum_cfg_disable_tsf_sync(struct rum_softc *sc) 1839{ 1840 uint32_t tmp; 1841 1842 /* abort TSF synchronization */ 1843 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR9); 1844 rum_cfg_write(sc, RT2573_TXRX_CSR9, tmp & ~0x00ffffff); 1845} 1846 1847/* 1848 * Enable multi-rate retries for frames sent at OFDM rates. 1849 * In 802.11b/g mode, allow fallback to CCK rates. 1850 */ 1851static void 1852rum_cfg_enable_mrr(struct rum_softc *sc, 1853 struct usb2_config_td_cc *cc, uint16_t refcount) 1854{ 1855 uint32_t tmp; 1856 1857 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR4); 1858 1859 if (cc->ic_curchan.chan_is_5ghz) 1860 tmp &= ~RT2573_MRR_CCK_FALLBACK; 1861 else 1862 tmp |= RT2573_MRR_CCK_FALLBACK; 1863 1864 tmp |= RT2573_MRR_ENABLED; 1865 1866 rum_cfg_write(sc, RT2573_TXRX_CSR4, tmp); 1867} 1868 1869static void 1870rum_cfg_update_slot(struct rum_softc *sc, 1871 struct usb2_config_td_cc *cc, uint16_t refcount) 1872{ 1873 uint32_t tmp; 1874 uint8_t slottime; 1875 1876 slottime = (cc->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20; 1877 1878 tmp = rum_cfg_read(sc, RT2573_MAC_CSR9); 1879 tmp = (tmp & ~0xff) | slottime; 1880 rum_cfg_write(sc, RT2573_MAC_CSR9, tmp); 1881 1882 DPRINTF("setting slot time to %u us\n", slottime); 1883} 1884 1885static void 1886rum_cfg_set_txpreamble(struct rum_softc *sc, 1887 struct usb2_config_td_cc *cc, uint16_t refcount) 1888{ 1889 uint32_t tmp; 1890 1891 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR4); 1892 1893 if (cc->ic_flags & IEEE80211_F_SHPREAMBLE) 1894 tmp |= RT2573_SHORT_PREAMBLE; 1895 else 1896 tmp &= ~RT2573_SHORT_PREAMBLE; 1897 1898 rum_cfg_write(sc, RT2573_TXRX_CSR4, tmp); 1899} 1900 1901static void 1902rum_cfg_set_bssid(struct rum_softc *sc, uint8_t *bssid) 1903{ 1904 uint32_t tmp; 1905 1906 tmp = bssid[0] | (bssid[1] << 8) | (bssid[2] << 16) | (bssid[3] << 24); 1907 rum_cfg_write(sc, RT2573_MAC_CSR4, tmp); 1908 1909 tmp = (bssid[4]) | (bssid[5] << 8) | (RT2573_ONE_BSSID << 16); 1910 rum_cfg_write(sc, RT2573_MAC_CSR5, tmp); 1911} 1912 1913static void 1914rum_cfg_set_macaddr(struct rum_softc *sc, uint8_t *addr) 1915{ 1916 uint32_t tmp; 1917 1918 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24); 1919 rum_cfg_write(sc, RT2573_MAC_CSR2, tmp); 1920 1921 tmp = addr[4] | (addr[5] << 8) | (0xff << 16); 1922 rum_cfg_write(sc, RT2573_MAC_CSR3, tmp); 1923} 1924 1925static void 1926rum_cfg_update_promisc(struct rum_softc *sc, 1927 struct usb2_config_td_cc *cc, uint16_t refcount) 1928{ 1929 uint32_t tmp; 1930 1931 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0); 1932 1933 if (cc->if_flags & IFF_PROMISC) 1934 tmp &= ~RT2573_DROP_NOT_TO_ME; 1935 else 1936 tmp |= RT2573_DROP_NOT_TO_ME; 1937 1938 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp); 1939 1940 DPRINTF("%s promiscuous mode\n", 1941 (cc->if_flags & IFF_PROMISC) ? 1942 "entering" : "leaving"); 1943} 1944 1945static void 1946rum_cfg_select_antenna(struct rum_softc *sc, 1947 struct usb2_config_td_cc *cc, uint16_t refcount) 1948{ 1949 uint32_t tmp; 1950 uint8_t bbp3; 1951 uint8_t bbp4; 1952 uint8_t bbp77; 1953 uint8_t rx_ant; 1954 uint8_t is_5ghz; 1955 1956 bbp3 = rum_cfg_bbp_read(sc, 3); 1957 bbp4 = rum_cfg_bbp_read(sc, 4); 1958 bbp77 = rum_cfg_bbp_read(sc, 77); 1959 1960 bbp3 &= ~0x01; 1961 bbp4 &= ~0x23; 1962 1963 rx_ant = sc->sc_rx_ant; 1964 is_5ghz = cc->ic_curchan.chan_is_5ghz; 1965 1966 switch (sc->sc_rf_rev) { 1967 case RT2573_RF_5226: 1968 case RT2573_RF_5225: 1969 if (rx_ant == 0) { 1970 /* Diversity */ 1971 bbp4 |= 0x02; 1972 if (is_5ghz == 0) 1973 bbp4 |= 0x20; 1974 } else if (rx_ant == 1) { 1975 /* RX: Antenna A */ 1976 bbp4 |= 0x01; 1977 if (is_5ghz) 1978 bbp77 &= ~0x03; 1979 else 1980 bbp77 |= 0x03; 1981 } else if (rx_ant == 2) { 1982 /* RX: Antenna B */ 1983 bbp4 |= 0x01; 1984 if (is_5ghz) 1985 bbp77 |= 0x03; 1986 else 1987 bbp77 &= ~0x03; 1988 } 1989 break; 1990 1991 case RT2573_RF_2528: 1992 case RT2573_RF_2527: 1993 if (rx_ant == 0) { 1994 /* Diversity */ 1995 bbp4 |= 0x22; 1996 } else if (rx_ant == 1) { 1997 /* RX: Antenna A */ 1998 bbp4 |= 0x21; 1999 bbp77 |= 0x03; 2000 } else if (rx_ant == 2) { 2001 /* RX: Antenna B */ 2002 bbp4 |= 0x21; 2003 bbp77 &= ~0x03; 2004 } 2005 break; 2006 default: 2007 break; 2008 } 2009 bbp4 &= ~(sc->sc_ftype << 5); 2010 2011 /* make sure Rx is disabled before switching antenna */ 2012 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0); 2013 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX); 2014 2015 rum_cfg_bbp_write(sc, 3, bbp3); 2016 rum_cfg_bbp_write(sc, 4, bbp4); 2017 rum_cfg_bbp_write(sc, 77, bbp77); 2018 2019 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp); 2020} 2021 2022static void 2023rum_cfg_read_eeprom(struct rum_softc *sc) 2024{ 2025 uint16_t val; 2026 2027 /* read MAC address */ 2028 rum_cfg_eeprom_read(sc, RT2573_EEPROM_ADDRESS, sc->sc_myaddr, 6); 2029 2030 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_ANTENNA); 2031 sc->sc_rf_rev = (val >> 11) & 0x1f; 2032 sc->sc_hw_radio = (val >> 10) & 0x1; 2033 sc->sc_ftype = (val >> 6) & 0x1; 2034 sc->sc_rx_ant = (val >> 4) & 0x3; 2035 sc->sc_tx_ant = (val >> 2) & 0x3; 2036 sc->sc_nb_ant = (val & 0x3); 2037 2038 DPRINTF("RF revision=%d\n", sc->sc_rf_rev); 2039 2040 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_CONFIG2); 2041 sc->sc_ext_5ghz_lna = (val >> 6) & 0x1; 2042 sc->sc_ext_2ghz_lna = (val >> 4) & 0x1; 2043 2044 DPRINTF("External 2GHz LNA=%d, External 5GHz LNA=%d\n", 2045 sc->sc_ext_2ghz_lna, sc->sc_ext_5ghz_lna); 2046 2047 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_RSSI_2GHZ_OFFSET); 2048 if ((val & 0xff) != 0xff) 2049 sc->sc_rssi_2ghz_corr = (int8_t)(val & 0xff); /* signed */ 2050 else 2051 sc->sc_rssi_2ghz_corr = 0; 2052 2053 /* range check */ 2054 if ((sc->sc_rssi_2ghz_corr < -10) || 2055 (sc->sc_rssi_2ghz_corr > 10)) { 2056 sc->sc_rssi_2ghz_corr = 0; 2057 } 2058 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_RSSI_5GHZ_OFFSET); 2059 if ((val & 0xff) != 0xff) 2060 sc->sc_rssi_5ghz_corr = (int8_t)(val & 0xff); /* signed */ 2061 else 2062 sc->sc_rssi_5ghz_corr = 0; 2063 2064 /* range check */ 2065 if ((sc->sc_rssi_5ghz_corr < -10) || 2066 (sc->sc_rssi_5ghz_corr > 10)) { 2067 sc->sc_rssi_5ghz_corr = 0; 2068 } 2069 if (sc->sc_ext_2ghz_lna) { 2070 sc->sc_rssi_2ghz_corr -= 14; 2071 } 2072 if (sc->sc_ext_5ghz_lna) { 2073 sc->sc_rssi_5ghz_corr -= 14; 2074 } 2075 DPRINTF("RSSI 2GHz corr=%d, RSSI 5GHz corr=%d\n", 2076 sc->sc_rssi_2ghz_corr, sc->sc_rssi_5ghz_corr); 2077 2078 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_FREQ_OFFSET); 2079 if ((val & 0xff) != 0xff) 2080 sc->sc_rffreq = (val & 0xff); 2081 else 2082 sc->sc_rffreq = 0; 2083 2084 DPRINTF("RF freq=%d\n", sc->sc_rffreq); 2085 2086 /* read Tx power for all a/b/g channels */ 2087 rum_cfg_eeprom_read(sc, RT2573_EEPROM_TXPOWER, sc->sc_txpow, 14); 2088 2089 /* XXX default Tx power for 802.11a channels */ 2090 memset(sc->sc_txpow + 14, 24, sizeof(sc->sc_txpow) - 14); 2091 2092 /* read default values for BBP registers */ 2093 rum_cfg_eeprom_read(sc, RT2573_EEPROM_BBP_BASE, sc->sc_bbp_prom, 2 * 16); 2094} 2095 2096static uint8_t 2097rum_cfg_bbp_init(struct rum_softc *sc) 2098{ 2099 enum { 2100 N_DEF_BBP = (sizeof(rum_def_bbp) / sizeof(rum_def_bbp[0])), 2101 }; 2102 uint16_t i; 2103 uint8_t to; 2104 uint8_t tmp; 2105 2106 /* wait for BBP to become ready */ 2107 for (to = 0;; to++) { 2108 if (to < 100) { 2109 tmp = rum_cfg_bbp_read(sc, 0); 2110 if ((tmp != 0x00) && 2111 (tmp != 0xff)) { 2112 break; 2113 } 2114 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 2115 return (1); /* failure */ 2116 } 2117 } else { 2118 DPRINTF("timeout waiting for BBP\n"); 2119 return (1); /* failure */ 2120 } 2121 } 2122 2123 /* initialize BBP registers to default values */ 2124 for (i = 0; i < N_DEF_BBP; i++) { 2125 rum_cfg_bbp_write(sc, rum_def_bbp[i].reg, rum_def_bbp[i].val); 2126 } 2127 2128 /* write vendor-specific BBP values (from EEPROM) */ 2129 for (i = 0; i < 16; i++) { 2130 if ((sc->sc_bbp_prom[i].reg == 0) || 2131 (sc->sc_bbp_prom[i].reg == 0xff)) { 2132 continue; 2133 } 2134 rum_cfg_bbp_write(sc, sc->sc_bbp_prom[i].reg, sc->sc_bbp_prom[i].val); 2135 } 2136 return (0); 2137} 2138 2139static void 2140rum_cfg_pre_init(struct rum_softc *sc, 2141 struct usb2_config_td_cc *cc, uint16_t refcount) 2142{ 2143 struct ifnet *ifp = sc->sc_ifp; 2144 struct ieee80211com *ic = ifp->if_l2com; 2145 2146 /* immediate configuration */ 2147 2148 rum_cfg_pre_stop(sc, cc, 0); 2149 2150 ifp->if_drv_flags |= IFF_DRV_RUNNING; 2151 2152 sc->sc_flags |= RUM_FLAG_HL_READY; 2153 2154 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp)); 2155} 2156 2157static void 2158rum_cfg_init(struct rum_softc *sc, 2159 struct usb2_config_td_cc *cc, uint16_t refcount) 2160{ 2161 enum { 2162 N_DEF_MAC = (sizeof(rum_def_mac) / sizeof(rum_def_mac[0])), 2163 }; 2164 2165 uint32_t tmp; 2166 uint16_t i; 2167 uint8_t to; 2168 2169 /* delayed configuration */ 2170 2171 rum_cfg_stop(sc, cc, 0); 2172 2173 /* initialize MAC registers to default values */ 2174 for (i = 0; i < N_DEF_MAC; i++) { 2175 rum_cfg_write(sc, rum_def_mac[i].reg, rum_def_mac[i].val); 2176 } 2177 2178 /* set host ready */ 2179 rum_cfg_write(sc, RT2573_MAC_CSR1, 3); 2180 rum_cfg_write(sc, RT2573_MAC_CSR1, 0); 2181 2182 /* wait for BBP/RF to wakeup */ 2183 for (to = 0;; to++) { 2184 if (to < 100) { 2185 if (rum_cfg_read(sc, RT2573_MAC_CSR12) & 8) { 2186 break; 2187 } 2188 rum_cfg_write(sc, RT2573_MAC_CSR12, 4); /* force wakeup */ 2189 2190 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 2191 goto fail; 2192 } 2193 } else { 2194 DPRINTF("timeout waiting for " 2195 "BBP/RF to wakeup\n"); 2196 goto fail; 2197 } 2198 } 2199 2200 if (rum_cfg_bbp_init(sc)) { 2201 goto fail; 2202 } 2203 /* select default channel */ 2204 2205 sc->sc_last_chan = 0; 2206 2207 rum_cfg_set_chan(sc, cc, 0); 2208 2209 /* clear STA registers */ 2210 rum_cfg_read_multi(sc, RT2573_STA_CSR0, sc->sc_sta, sizeof(sc->sc_sta)); 2211 /* set MAC address */ 2212 rum_cfg_set_macaddr(sc, cc->ic_myaddr); 2213 2214 /* initialize ASIC */ 2215 rum_cfg_write(sc, RT2573_MAC_CSR1, 4); 2216 2217 /* 2218 * make sure that the first transaction 2219 * clears the stall: 2220 */ 2221 sc->sc_flags |= (RUM_FLAG_READ_STALL | 2222 RUM_FLAG_WRITE_STALL | 2223 RUM_FLAG_LL_READY); 2224 2225 if ((sc->sc_flags & RUM_FLAG_LL_READY) && 2226 (sc->sc_flags & RUM_FLAG_HL_READY)) { 2227 struct ifnet *ifp = sc->sc_ifp; 2228 struct ieee80211com *ic = ifp->if_l2com; 2229 2230 /* 2231 * start the USB transfers, if not already started: 2232 */ 2233 usb2_transfer_start(sc->sc_xfer[RUM_BULK_DT_RD]); 2234 usb2_transfer_start(sc->sc_xfer[RUM_BULK_DT_WR]); 2235 2236 /* 2237 * start IEEE802.11 layer 2238 */ 2239 mtx_unlock(&sc->sc_mtx); 2240 ieee80211_start_all(ic); 2241 mtx_lock(&sc->sc_mtx); 2242 } 2243 /* update Rx filter */ 2244 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0) & 0xffff; 2245 2246 tmp |= RT2573_DROP_PHY_ERROR | RT2573_DROP_CRC_ERROR; 2247 2248 if (cc->ic_opmode != IEEE80211_M_MONITOR) { 2249 tmp |= RT2573_DROP_CTL | RT2573_DROP_VER_ERROR | 2250 RT2573_DROP_ACKCTS; 2251 if (cc->ic_opmode != IEEE80211_M_HOSTAP) { 2252 tmp |= RT2573_DROP_TODS; 2253 } 2254 if (!(cc->if_flags & IFF_PROMISC)) { 2255 tmp |= RT2573_DROP_NOT_TO_ME; 2256 } 2257 } 2258 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp); 2259 2260 return; 2261 2262fail: 2263 rum_cfg_pre_stop(sc, NULL, 0); 2264 2265 if (cc) { 2266 rum_cfg_stop(sc, cc, 0); 2267 } 2268} 2269 2270static void 2271rum_cfg_pre_stop(struct rum_softc *sc, 2272 struct usb2_config_td_cc *cc, uint16_t refcount) 2273{ 2274 struct ifnet *ifp = sc->sc_ifp; 2275 2276 if (cc) { 2277 /* copy the needed configuration */ 2278 rum_config_copy(sc, cc, refcount); 2279 } 2280 /* immediate configuration */ 2281 2282 if (ifp) { 2283 /* clear flags */ 2284 ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 2285 } 2286 sc->sc_flags &= ~(RUM_FLAG_HL_READY | 2287 RUM_FLAG_LL_READY); 2288 2289 /* 2290 * stop all the transfers, if not already stopped: 2291 */ 2292 usb2_transfer_stop(sc->sc_xfer[RUM_BULK_DT_WR]); 2293 usb2_transfer_stop(sc->sc_xfer[RUM_BULK_DT_RD]); 2294 usb2_transfer_stop(sc->sc_xfer[RUM_BULK_CS_WR]); 2295 usb2_transfer_stop(sc->sc_xfer[RUM_BULK_CS_RD]); 2296 2297 /* clean up transmission */ 2298 rum_tx_clean_queue(sc); 2299} 2300 2301static void 2302rum_cfg_stop(struct rum_softc *sc, 2303 struct usb2_config_td_cc *cc, uint16_t refcount) 2304{ 2305 uint32_t tmp; 2306 2307 /* disable Rx */ 2308 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0); 2309 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX); 2310 2311 /* reset ASIC */ 2312 rum_cfg_write(sc, RT2573_MAC_CSR1, 3); 2313 2314 /* wait a little */ 2315 usb2_config_td_sleep(&sc->sc_config_td, hz / 10); 2316 2317 rum_cfg_write(sc, RT2573_MAC_CSR1, 0); 2318 2319 /* wait a little */ 2320 usb2_config_td_sleep(&sc->sc_config_td, hz / 10); 2321} 2322 2323static void 2324rum_cfg_amrr_start(struct rum_softc *sc) 2325{ 2326 struct ieee80211vap *vap; 2327 struct ieee80211_node *ni; 2328 2329 vap = rum_get_vap(sc); 2330 2331 if (vap == NULL) { 2332 return; 2333 } 2334 ni = vap->iv_bss; 2335 if (ni == NULL) { 2336 return; 2337 } 2338 /* init AMRR */ 2339 2340 ieee80211_amrr_node_init(&RUM_VAP(vap)->amrr, &RUM_NODE(ni)->amn, ni); 2341 2342 /* enable AMRR timer */ 2343 2344 sc->sc_amrr_timer = 1; 2345} 2346 2347static void 2348rum_cfg_amrr_timeout(struct rum_softc *sc, 2349 struct usb2_config_td_cc *cc, uint16_t refcount) 2350{ 2351 struct ifnet *ifp = sc->sc_ifp; 2352 struct ieee80211vap *vap; 2353 struct ieee80211_node *ni; 2354 uint32_t ok; 2355 uint32_t fail; 2356 2357 /* clear statistic registers (STA_CSR0 to STA_CSR5) */ 2358 rum_cfg_read_multi(sc, RT2573_STA_CSR0, sc->sc_sta, sizeof(sc->sc_sta)); 2359 2360 vap = rum_get_vap(sc); 2361 if (vap == NULL) { 2362 return; 2363 } 2364 ni = vap->iv_bss; 2365 if (ni == NULL) { 2366 return; 2367 } 2368 if ((sc->sc_flags & RUM_FLAG_LL_READY) && 2369 (sc->sc_flags & RUM_FLAG_HL_READY)) { 2370 2371 ok = (le32toh(sc->sc_sta[4]) >> 16) + /* TX ok w/o retry */ 2372 (le32toh(sc->sc_sta[5]) & 0xffff); /* TX ok w/ retry */ 2373 fail = (le32toh(sc->sc_sta[5]) >> 16); /* TX retry-fail count */ 2374 2375 if (sc->sc_amrr_timer) { 2376 ieee80211_amrr_tx_update(&RUM_NODE(vap->iv_bss)->amn, 2377 ok + fail, ok, (le32toh(sc->sc_sta[5]) & 0xffff) + fail); 2378 2379 if (ieee80211_amrr_choose(ni, &RUM_NODE(ni)->amn)) { 2380 /* ignore */ 2381 } 2382 } 2383 ifp->if_oerrors += fail;/* count TX retry-fail as Tx errors */ 2384 } 2385} 2386 2387static void 2388rum_cfg_load_microcode(struct rum_softc *sc, const uint8_t *ucode, uint16_t size) 2389{ 2390 struct usb2_device_request req; 2391 uint16_t reg = RT2573_MCU_CODE_BASE; 2392 2393 /* copy firmware image into NIC */ 2394 while (size >= 4) { 2395 rum_cfg_write(sc, reg, UGETDW(ucode)); 2396 reg += 4; 2397 ucode += 4; 2398 size -= 4; 2399 } 2400 2401 if (size != 0) { 2402 DPRINTF("possibly invalid firmware\n"); 2403 } 2404 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2405 req.bRequest = RT2573_MCU_CNTL; 2406 USETW(req.wValue, RT2573_MCU_RUN); 2407 USETW(req.wIndex, 0); 2408 USETW(req.wLength, 0); 2409 2410 rum_cfg_do_request(sc, &req, NULL); 2411} 2412 2413static void 2414rum_cfg_prepare_beacon(struct rum_softc *sc, 2415 struct usb2_config_td_cc *cc, uint16_t refcount) 2416{ 2417 struct ieee80211_node *ni; 2418 struct ieee80211vap *vap; 2419 struct ieee80211com *ic; 2420 const struct ieee80211_txparam *tp; 2421 struct mbuf *m; 2422 2423 vap = rum_get_vap(sc); 2424 if (vap == NULL) { 2425 return; 2426 } 2427 ni = vap->iv_bss; 2428 if (ni == NULL) { 2429 return; 2430 } 2431 ic = vap->iv_ic; 2432 if (ic == NULL) { 2433 return; 2434 } 2435 DPRINTFN(11, "Sending beacon frame.\n"); 2436 2437 m = ieee80211_beacon_alloc(ni, &RUM_VAP(vap)->bo); 2438 if (m == NULL) { 2439 DPRINTFN(0, "could not allocate beacon\n"); 2440 return; 2441 } 2442 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)]; 2443 2444 m->m_pkthdr.rcvif = (void *)ieee80211_ref_node(ni); 2445 rum_setup_desc_and_tx(sc, m, RT2573_TX_TIMESTAMP, RT2573_TX_HWSEQ | RT2573_TX_BEACON, tp->mgmtrate); 2446} 2447 2448static uint8_t 2449rum_get_rssi(struct rum_softc *sc, uint8_t raw) 2450{ 2451 struct ifnet *ifp = sc->sc_ifp; 2452 struct ieee80211com *ic = ifp->if_l2com; 2453 int16_t rssi; 2454 uint8_t lna; 2455 uint8_t agc; 2456 2457 lna = (raw >> 5) & 0x3; 2458 agc = raw & 0x1f; 2459 2460 if (lna == 0) { 2461 /* 2462 * No RSSI mapping 2463 * 2464 * NB: Since RSSI is relative to noise floor, -1 is 2465 * adequate for caller to know error happened. 2466 */ 2467 return (0); 2468 } 2469 rssi = (2 * agc) - RT2573_NOISE_FLOOR; 2470 2471 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) { 2472 2473 rssi += sc->sc_rssi_2ghz_corr; 2474 2475 if (lna == 1) 2476 rssi -= 64; 2477 else if (lna == 2) 2478 rssi -= 74; 2479 else if (lna == 3) 2480 rssi -= 90; 2481 } else { 2482 2483 rssi += sc->sc_rssi_5ghz_corr; 2484 2485 if ((!sc->sc_ext_5ghz_lna) && (lna != 1)) 2486 rssi += 4; 2487 2488 if (lna == 1) 2489 rssi -= 64; 2490 else if (lna == 2) 2491 rssi -= 86; 2492 else if (lna == 3) 2493 rssi -= 100; 2494 } 2495 2496 /* range check */ 2497 2498 if (rssi < 0) 2499 rssi = 0; 2500 else if (rssi > 255) 2501 rssi = 255; 2502 2503 return (rssi); 2504} 2505 2506static struct ieee80211vap * 2507rum_vap_create(struct ieee80211com *ic, 2508 const char name[IFNAMSIZ], int unit, int opmode, int flags, 2509 const uint8_t bssid[IEEE80211_ADDR_LEN], 2510 const uint8_t mac[IEEE80211_ADDR_LEN]) 2511{ 2512 struct rum_vap *rvp; 2513 struct ieee80211vap *vap; 2514 struct rum_softc *sc = ic->ic_ifp->if_softc; 2515 2516 DPRINTF("\n"); 2517 2518 /* Need to sync with config thread: */ 2519 mtx_lock(&sc->sc_mtx); 2520 if (usb2_config_td_sync(&sc->sc_config_td)) { 2521 mtx_unlock(&sc->sc_mtx); 2522 /* config thread is gone */ 2523 return (NULL); 2524 } 2525 mtx_unlock(&sc->sc_mtx); 2526 2527 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 2528 return NULL; 2529 rvp = (struct rum_vap *)malloc(sizeof(struct rum_vap), 2530 M_80211_VAP, M_NOWAIT | M_ZERO); 2531 if (rvp == NULL) 2532 return NULL; 2533 vap = &rvp->vap; 2534 /* enable s/w bmiss handling for sta mode */ 2535 ieee80211_vap_setup(ic, vap, name, unit, opmode, 2536 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); 2537 2538 /* override state transition machine */ 2539 rvp->newstate = vap->iv_newstate; 2540 vap->iv_newstate = &rum_newstate_cb; 2541 2542 ieee80211_amrr_init(&rvp->amrr, vap, 2543 IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD, 2544 IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD, 2545 1000 /* 1 sec */ ); 2546 2547 /* complete setup */ 2548 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status); 2549 2550 /* store current operation mode */ 2551 ic->ic_opmode = opmode; 2552 2553 return (vap); 2554} 2555 2556static void 2557rum_vap_delete(struct ieee80211vap *vap) 2558{ 2559 struct rum_vap *rvp = RUM_VAP(vap); 2560 struct rum_softc *sc = vap->iv_ic->ic_ifp->if_softc; 2561 2562 DPRINTF("\n"); 2563 2564 /* Need to sync with config thread: */ 2565 mtx_lock(&sc->sc_mtx); 2566 if (usb2_config_td_sync(&sc->sc_config_td)) { 2567 /* ignore */ 2568 } 2569 mtx_unlock(&sc->sc_mtx); 2570 2571 ieee80211_amrr_cleanup(&rvp->amrr); 2572 ieee80211_vap_detach(vap); 2573 free(rvp, M_80211_VAP); 2574} 2575 2576/* ARGUSED */ 2577static struct ieee80211_node * 2578rum_node_alloc(struct ieee80211vap *vap __unused, 2579 const uint8_t mac[IEEE80211_ADDR_LEN] __unused) 2580{ 2581 struct rum_node *rn; 2582 2583 rn = malloc(sizeof(struct rum_node), M_80211_NODE, M_NOWAIT | M_ZERO); 2584 return ((rn != NULL) ? &rn->ni : NULL); 2585} 2586 2587static void 2588rum_newassoc(struct ieee80211_node *ni, int isnew) 2589{ 2590 struct ieee80211vap *vap = ni->ni_vap; 2591 2592 ieee80211_amrr_node_init(&RUM_VAP(vap)->amrr, &RUM_NODE(ni)->amn, ni); 2593} 2594 2595static void 2596rum_fill_write_queue(struct rum_softc *sc) 2597{ 2598 struct ifnet *ifp = sc->sc_ifp; 2599 struct ieee80211_node *ni; 2600 struct mbuf *m; 2601 2602 /* 2603 * We only fill up half of the queue with data frames. The rest is 2604 * reserved for other kinds of frames. 2605 */ 2606 2607 while (sc->sc_tx_queue.ifq_len < (IFQ_MAXLEN / 2)) { 2608 2609 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2610 if (m == NULL) 2611 break; 2612 2613 ni = (void *)(m->m_pkthdr.rcvif); 2614 m = ieee80211_encap(ni, m); 2615 if (m == NULL) { 2616 ieee80211_free_node(ni); 2617 continue; 2618 } 2619 rum_tx_data(sc, m, ni); 2620 } 2621} 2622 2623static void 2624rum_tx_clean_queue(struct rum_softc *sc) 2625{ 2626 struct mbuf *m; 2627 2628 for (;;) { 2629 _IF_DEQUEUE(&sc->sc_tx_queue, m); 2630 2631 if (!m) { 2632 break; 2633 } 2634 rum_tx_freem(m); 2635 } 2636} 2637 2638static void 2639rum_tx_freem(struct mbuf *m) 2640{ 2641 struct ieee80211_node *ni; 2642 2643 while (m) { 2644 ni = (void *)(m->m_pkthdr.rcvif); 2645 if (!ni) { 2646 m = m_free(m); 2647 continue; 2648 } 2649 if (m->m_flags & M_TXCB) { 2650 ieee80211_process_callback(ni, m, 0); 2651 } 2652 m_freem(m); 2653 ieee80211_free_node(ni); 2654 2655 break; 2656 } 2657} 2658 2659static void 2660rum_tx_mgt(struct rum_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2661{ 2662 struct ieee80211vap *vap = ni->ni_vap; 2663 struct ieee80211com *ic = ni->ni_ic; 2664 const struct ieee80211_txparam *tp; 2665 struct ieee80211_frame *wh; 2666 struct ieee80211_key *k; 2667 uint32_t flags; 2668 uint16_t dur; 2669 2670 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 2671 2672 wh = mtod(m, struct ieee80211_frame *); 2673 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2674 k = ieee80211_crypto_encap(ni, m); 2675 if (k == NULL) { 2676 m_freem(m); 2677 ieee80211_free_node(ni); 2678 return; 2679 } 2680 wh = mtod(m, struct ieee80211_frame *); 2681 } 2682 flags = 0; 2683 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2684 flags |= RT2573_TX_NEED_ACK; 2685 2686 dur = ieee80211_ack_duration(sc->sc_rates, tp->mgmtrate, 2687 ic->ic_flags & IEEE80211_F_SHPREAMBLE); 2688 USETW(wh->i_dur, dur); 2689 2690 /* tell hardware to add timestamp for probe responses */ 2691 if ((wh->i_fc[0] & 2692 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2693 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) 2694 flags |= RT2573_TX_TIMESTAMP; 2695 } 2696 m->m_pkthdr.rcvif = (void *)ni; 2697 rum_setup_desc_and_tx(sc, m, flags, 0, tp->mgmtrate); 2698} 2699 2700static struct ieee80211vap * 2701rum_get_vap(struct rum_softc *sc) 2702{ 2703 struct ifnet *ifp; 2704 struct ieee80211com *ic; 2705 2706 if (sc == NULL) { 2707 return NULL; 2708 } 2709 ifp = sc->sc_ifp; 2710 if (ifp == NULL) { 2711 return NULL; 2712 } 2713 ic = ifp->if_l2com; 2714 if (ic == NULL) { 2715 return NULL; 2716 } 2717 return TAILQ_FIRST(&ic->ic_vaps); 2718} 2719 2720static void 2721rum_tx_data(struct rum_softc *sc, struct mbuf *m, 2722 struct ieee80211_node *ni) 2723{ 2724 struct ieee80211vap *vap = ni->ni_vap; 2725 struct ieee80211com *ic = ni->ni_ic; 2726 const struct ieee80211_txparam *tp; 2727 struct ieee80211_frame *wh; 2728 struct ieee80211_key *k; 2729 uint32_t flags = 0; 2730 uint16_t dur; 2731 uint16_t rate; 2732 2733 DPRINTFN(11, "Sending data.\n"); 2734 2735 wh = mtod(m, struct ieee80211_frame *); 2736 2737 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; 2738 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 2739 rate = tp->mcastrate; 2740 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2741 rate = tp->ucastrate; 2742 else 2743 rate = ni->ni_txrate; 2744 2745 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2746 k = ieee80211_crypto_encap(ni, m); 2747 if (k == NULL) { 2748 m_freem(m); 2749 ieee80211_free_node(ni); 2750 return; 2751 } 2752 /* packet header may have moved, reset our local pointer */ 2753 wh = mtod(m, struct ieee80211_frame *); 2754 } 2755 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2756 uint8_t prot = IEEE80211_PROT_NONE; 2757 2758 if (m->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) 2759 prot = IEEE80211_PROT_RTSCTS; 2760 else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2761 ieee80211_rate2phytype(sc->sc_rates, rate) == IEEE80211_T_OFDM) 2762 prot = ic->ic_protmode; 2763 if (prot != IEEE80211_PROT_NONE) { 2764 rum_tx_prot(sc, m, ni, prot, rate); 2765 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS; 2766 } 2767 flags |= RT2573_TX_NEED_ACK; 2768 flags |= RT2573_TX_MORE_FRAG; 2769 2770 dur = ieee80211_ack_duration(sc->sc_rates, rate, 2771 ic->ic_flags & IEEE80211_F_SHPREAMBLE); 2772 USETW(wh->i_dur, dur); 2773 } 2774 m->m_pkthdr.rcvif = (void *)ni; 2775 rum_setup_desc_and_tx(sc, m, flags, 0, rate); 2776} 2777 2778static void 2779rum_tx_prot(struct rum_softc *sc, 2780 const struct mbuf *m, struct ieee80211_node *ni, 2781 uint8_t prot, uint16_t rate) 2782{ 2783 struct ieee80211com *ic = ni->ni_ic; 2784 const struct ieee80211_frame *wh; 2785 struct mbuf *mprot; 2786 uint32_t flags; 2787 uint16_t protrate; 2788 uint16_t ackrate; 2789 uint16_t pktlen; 2790 uint16_t dur; 2791 uint8_t isshort; 2792 2793 KASSERT((prot == IEEE80211_PROT_RTSCTS) || 2794 (prot == IEEE80211_PROT_CTSONLY), 2795 ("protection %u", prot)); 2796 2797 DPRINTFN(11, "Sending protection frame.\n"); 2798 2799 wh = mtod(m, const struct ieee80211_frame *); 2800 pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN; 2801 2802 protrate = ieee80211_ctl_rate(sc->sc_rates, rate); 2803 ackrate = ieee80211_ack_rate(sc->sc_rates, rate); 2804 2805 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0; 2806 dur = ieee80211_compute_duration(sc->sc_rates, pktlen, rate, isshort); 2807 +ieee80211_ack_duration(sc->sc_rates, rate, isshort); 2808 flags = RT2573_TX_MORE_FRAG; 2809 if (prot == IEEE80211_PROT_RTSCTS) { 2810 /* NB: CTS is the same size as an ACK */ 2811 dur += ieee80211_ack_duration(sc->sc_rates, rate, isshort); 2812 flags |= RT2573_TX_NEED_ACK; 2813 mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur); 2814 } else { 2815 mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur); 2816 } 2817 if (mprot == NULL) { 2818 return; 2819 } 2820 mprot->m_pkthdr.rcvif = (void *)ieee80211_ref_node(ni); 2821 rum_setup_desc_and_tx(sc, mprot, flags, 0, protrate); 2822} 2823 2824static void 2825rum_tx_raw(struct rum_softc *sc, struct mbuf *m, struct ieee80211_node *ni, 2826 const struct ieee80211_bpf_params *params) 2827{ 2828 uint32_t flags; 2829 uint16_t rate; 2830 2831 DPRINTFN(11, "Sending raw frame.\n"); 2832 2833 rate = params->ibp_rate0 & IEEE80211_RATE_VAL; 2834 2835 /* XXX validate */ 2836 if (rate == 0) { 2837 m_freem(m); 2838 ieee80211_free_node(ni); 2839 return; 2840 } 2841 flags = 0; 2842 if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2843 flags |= RT2573_TX_NEED_ACK; 2844 if (params->ibp_flags & (IEEE80211_BPF_RTS | IEEE80211_BPF_CTS)) { 2845 rum_tx_prot(sc, m, ni, 2846 params->ibp_flags & IEEE80211_BPF_RTS ? 2847 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY, 2848 rate); 2849 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS; 2850 } 2851 m->m_pkthdr.rcvif = (void *)ni; 2852 rum_setup_desc_and_tx(sc, m, flags, 0, rate); 2853} 2854 2855static int 2856rum_raw_xmit_cb(struct ieee80211_node *ni, struct mbuf *m, 2857 const struct ieee80211_bpf_params *params) 2858{ 2859 struct ieee80211com *ic = ni->ni_ic; 2860 struct ifnet *ifp = ic->ic_ifp; 2861 struct rum_softc *sc = ifp->if_softc; 2862 2863 mtx_lock(&sc->sc_mtx); 2864 if (params == NULL) { 2865 /* 2866 * Legacy path; interpret frame contents to decide 2867 * precisely how to send the frame. 2868 */ 2869 rum_tx_mgt(sc, m, ni); 2870 } else { 2871 /* 2872 * Caller supplied explicit parameters to use in 2873 * sending the frame. 2874 */ 2875 rum_tx_raw(sc, m, ni, params); 2876 } 2877 mtx_unlock(&sc->sc_mtx); 2878 return (0); 2879} 2880 2881static void 2882rum_update_mcast_cb(struct ifnet *ifp) 2883{ 2884 /* not supported */ 2885} 2886 2887static void 2888rum_update_promisc_cb(struct ifnet *ifp) 2889{ 2890 struct rum_softc *sc = ifp->if_softc; 2891 2892 mtx_lock(&sc->sc_mtx); 2893 usb2_config_td_queue_command 2894 (&sc->sc_config_td, &rum_config_copy, 2895 &rum_cfg_update_promisc, 0, 0); 2896 mtx_unlock(&sc->sc_mtx); 2897} 2898