if_rum.c revision 185948
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 185948 2008-12-11 23:13:02Z 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 return; 591} 592 593static void 594rum_cfg_eeprom_read(struct rum_softc *sc, uint16_t addr, void *buf, uint16_t len) 595{ 596 struct usb2_device_request req; 597 598 req.bmRequestType = UT_READ_VENDOR_DEVICE; 599 req.bRequest = RT2573_READ_EEPROM; 600 USETW(req.wValue, 0); 601 USETW(req.wIndex, addr); 602 USETW(req.wLength, len); 603 604 rum_cfg_do_request(sc, &req, buf); 605 return; 606} 607 608static uint16_t 609rum_cfg_eeprom_read_2(struct rum_softc *sc, uint16_t addr) 610{ 611 uint16_t tmp; 612 613 rum_cfg_eeprom_read(sc, addr, &tmp, sizeof(tmp)); 614 return (le16toh(tmp)); 615} 616 617static uint32_t 618rum_cfg_read(struct rum_softc *sc, uint16_t reg) 619{ 620 uint32_t val; 621 622 rum_cfg_read_multi(sc, reg, &val, sizeof(val)); 623 return (le32toh(val)); 624} 625 626static void 627rum_cfg_read_multi(struct rum_softc *sc, uint16_t reg, void *buf, uint16_t len) 628{ 629 struct usb2_device_request req; 630 631 req.bmRequestType = UT_READ_VENDOR_DEVICE; 632 req.bRequest = RT2573_READ_MULTI_MAC; 633 USETW(req.wValue, 0); 634 USETW(req.wIndex, reg); 635 USETW(req.wLength, len); 636 637 rum_cfg_do_request(sc, &req, buf); 638 return; 639} 640 641static void 642rum_cfg_write(struct rum_softc *sc, uint16_t reg, uint32_t val) 643{ 644 uint32_t tmp = htole32(val); 645 646 rum_cfg_write_multi(sc, reg, &tmp, sizeof(tmp)); 647 return; 648} 649 650static void 651rum_cfg_write_multi(struct rum_softc *sc, uint16_t reg, void *buf, uint16_t len) 652{ 653 struct usb2_device_request req; 654 655 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 656 req.bRequest = RT2573_WRITE_MULTI_MAC; 657 USETW(req.wValue, 0); 658 USETW(req.wIndex, reg); 659 USETW(req.wLength, len); 660 661 rum_cfg_do_request(sc, &req, buf); 662 return; 663} 664 665static uint32_t 666rum_cfg_bbp_disbusy(struct rum_softc *sc) 667{ 668 uint32_t tmp; 669 uint8_t to; 670 671 for (to = 0;; to++) { 672 if (to < 100) { 673 tmp = rum_cfg_read(sc, RT2573_PHY_CSR3); 674 675 if ((tmp & RT2573_BBP_BUSY) == 0) { 676 return (tmp); 677 } 678 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 679 break; 680 } 681 } else { 682 break; 683 } 684 } 685 DPRINTF("could not disbusy BBP\n"); 686 return (RT2573_BBP_BUSY); /* failure */ 687} 688 689static void 690rum_cfg_bbp_write(struct rum_softc *sc, uint8_t reg, uint8_t val) 691{ 692 uint32_t tmp; 693 694 if (rum_cfg_bbp_disbusy(sc) & RT2573_BBP_BUSY) { 695 return; 696 } 697 tmp = RT2573_BBP_BUSY | ((reg & 0x7f) << 8) | val; 698 rum_cfg_write(sc, RT2573_PHY_CSR3, tmp); 699 return; 700} 701 702static uint8_t 703rum_cfg_bbp_read(struct rum_softc *sc, uint8_t reg) 704{ 705 uint32_t val; 706 707 if (rum_cfg_bbp_disbusy(sc) & RT2573_BBP_BUSY) { 708 return (0); 709 } 710 val = RT2573_BBP_BUSY | RT2573_BBP_READ | (reg << 8); 711 rum_cfg_write(sc, RT2573_PHY_CSR3, val); 712 713 val = rum_cfg_bbp_disbusy(sc); 714 return (val & 0xff); 715} 716 717static void 718rum_cfg_rf_write(struct rum_softc *sc, uint8_t reg, uint32_t val) 719{ 720 uint32_t tmp; 721 uint8_t to; 722 723 reg &= 3; 724 725 for (to = 0;; to++) { 726 if (to < 100) { 727 tmp = rum_cfg_read(sc, RT2573_PHY_CSR4); 728 if (!(tmp & RT2573_RF_BUSY)) { 729 break; 730 } 731 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 732 return; 733 } 734 } else { 735 DPRINTF("could not write to RF\n"); 736 return; 737 } 738 } 739 740 tmp = RT2573_RF_BUSY | RT2573_RF_20BIT | ((val & 0xfffff) << 2) | reg; 741 rum_cfg_write(sc, RT2573_PHY_CSR4, tmp); 742 743 DPRINTFN(16, "RF R[%u] <- 0x%05x\n", reg, val & 0xfffff); 744 return; 745} 746 747static void 748rum_cfg_first_time_setup(struct rum_softc *sc, 749 struct usb2_config_td_cc *cc, uint16_t refcount) 750{ 751 struct ieee80211com *ic; 752 struct ifnet *ifp; 753 uint32_t tmp; 754 uint16_t i; 755 uint8_t bands; 756 757 /* setup RX tap header */ 758 sc->sc_rxtap_len = sizeof(sc->sc_rxtap); 759 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 760 sc->sc_rxtap.wr_ihdr.it_present = htole32(RT2573_RX_RADIOTAP_PRESENT); 761 762 /* setup TX tap header */ 763 sc->sc_txtap_len = sizeof(sc->sc_txtap); 764 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 765 sc->sc_txtap.wt_ihdr.it_present = htole32(RT2573_TX_RADIOTAP_PRESENT); 766 767 /* retrieve RT2573 rev. no */ 768 for (i = 0; i < 100; i++) { 769 770 tmp = rum_cfg_read(sc, RT2573_MAC_CSR0); 771 if (tmp != 0) { 772 break; 773 } 774 /* wait a little */ 775 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 776 /* device detached */ 777 goto done; 778 } 779 } 780 781 if (tmp == 0) { 782 DPRINTF("chip is maybe not ready\n"); 783 } 784 /* retrieve MAC address and various other things from EEPROM */ 785 rum_cfg_read_eeprom(sc); 786 787 printf("%s: MAC/BBP RT2573 (rev 0x%05x), RF %s\n", 788 sc->sc_name, tmp, rum_get_rf(sc->sc_rf_rev)); 789 790 rum_cfg_load_microcode(sc, rt2573_ucode, sizeof(rt2573_ucode)); 791 792 mtx_unlock(&sc->sc_mtx); 793 794 ifp = if_alloc(IFT_IEEE80211); 795 796 mtx_lock(&sc->sc_mtx); 797 798 if (ifp == NULL) { 799 DPRINTFN(0, "could not if_alloc()!\n"); 800 goto done; 801 } 802 sc->sc_evilhack = ifp; 803 sc->sc_ifp = ifp; 804 ic = ifp->if_l2com; 805 806 ifp->if_softc = sc; 807 if_initname(ifp, "rum", sc->sc_unit); 808 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 809 ifp->if_init = &rum_init_cb; 810 ifp->if_ioctl = &rum_ioctl_cb; 811 ifp->if_start = &rum_start_cb; 812 ifp->if_watchdog = NULL; 813 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 814 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN; 815 IFQ_SET_READY(&ifp->if_snd); 816 817 bcopy(sc->sc_myaddr, ic->ic_myaddr, sizeof(ic->ic_myaddr)); 818 819 ic->ic_ifp = ifp; 820 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 821 ic->ic_opmode = IEEE80211_M_STA; 822 823 /* set device capabilities */ 824 ic->ic_caps = 825 IEEE80211_C_STA /* station mode supported */ 826 | IEEE80211_C_IBSS /* IBSS mode supported */ 827 | IEEE80211_C_MONITOR /* monitor mode supported */ 828 | IEEE80211_C_HOSTAP /* HostAp mode supported */ 829 | IEEE80211_C_TXPMGT /* tx power management */ 830 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 831 | IEEE80211_C_SHSLOT /* short slot time supported */ 832 | IEEE80211_C_BGSCAN /* bg scanning supported */ 833 | IEEE80211_C_WPA /* 802.11i */ 834 ; 835 836 bands = 0; 837 setbit(&bands, IEEE80211_MODE_11B); 838 setbit(&bands, IEEE80211_MODE_11G); 839 ieee80211_init_channels(ic, NULL, &bands); 840 841 if ((sc->sc_rf_rev == RT2573_RF_5225) || 842 (sc->sc_rf_rev == RT2573_RF_5226)) { 843 844 struct ieee80211_channel *c; 845 846 /* set supported .11a channels */ 847 for (i = 34; i <= 46; i += 4) { 848 c = ic->ic_channels + (ic->ic_nchans++); 849 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 850 c->ic_flags = IEEE80211_CHAN_A; 851 c->ic_ieee = i; 852 } 853 for (i = 36; i <= 64; i += 4) { 854 c = ic->ic_channels + (ic->ic_nchans++); 855 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 856 c->ic_flags = IEEE80211_CHAN_A; 857 c->ic_ieee = i; 858 } 859 for (i = 100; i <= 140; i += 4) { 860 c = ic->ic_channels + (ic->ic_nchans++); 861 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 862 c->ic_flags = IEEE80211_CHAN_A; 863 c->ic_ieee = i; 864 } 865 for (i = 149; i <= 165; i += 4) { 866 c = ic->ic_channels + (ic->ic_nchans++); 867 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 868 c->ic_flags = IEEE80211_CHAN_A; 869 c->ic_ieee = i; 870 } 871 } 872 mtx_unlock(&sc->sc_mtx); 873 874 ieee80211_ifattach(ic); 875 876 mtx_lock(&sc->sc_mtx); 877 878 ic->ic_newassoc = &rum_newassoc; 879 ic->ic_raw_xmit = &rum_raw_xmit_cb; 880 ic->ic_node_alloc = &rum_node_alloc; 881 ic->ic_update_mcast = &rum_update_mcast_cb; 882 ic->ic_update_promisc = &rum_update_promisc_cb; 883 ic->ic_scan_start = &rum_scan_start_cb; 884 ic->ic_scan_end = &rum_scan_end_cb; 885 ic->ic_set_channel = &rum_set_channel_cb; 886 ic->ic_vap_create = &rum_vap_create; 887 ic->ic_vap_delete = &rum_vap_delete; 888 889 sc->sc_rates = ieee80211_get_ratetable(ic->ic_curchan); 890 891 mtx_unlock(&sc->sc_mtx); 892 893 bpfattach(ifp, DLT_IEEE802_11_RADIO, 894 sizeof(struct ieee80211_frame) + sizeof(sc->sc_txtap)); 895 896 if (bootverbose) { 897 ieee80211_announce(ic); 898 } 899 mtx_lock(&sc->sc_mtx); 900done: 901 return; 902} 903 904static void 905rum_end_of_commands(struct rum_softc *sc) 906{ 907 sc->sc_flags &= ~RUM_FLAG_WAIT_COMMAND; 908 909 /* start write transfer, if not started */ 910 usb2_transfer_start(sc->sc_xfer[0]); 911 return; 912} 913 914static void 915rum_config_copy_chan(struct rum_config_copy_chan *cc, 916 struct ieee80211com *ic, struct ieee80211_channel *c) 917{ 918 if (!c) 919 return; 920 cc->chan_to_ieee = 921 ieee80211_chan2ieee(ic, c); 922 if (c != IEEE80211_CHAN_ANYC) { 923 cc->chan_to_mode = 924 ieee80211_chan2mode(c); 925 if (IEEE80211_IS_CHAN_B(c)) 926 cc->chan_is_b = 1; 927 if (IEEE80211_IS_CHAN_A(c)) 928 cc->chan_is_a = 1; 929 if (IEEE80211_IS_CHAN_2GHZ(c)) 930 cc->chan_is_2ghz = 1; 931 if (IEEE80211_IS_CHAN_5GHZ(c)) 932 cc->chan_is_5ghz = 1; 933 if (IEEE80211_IS_CHAN_ANYG(c)) 934 cc->chan_is_g = 1; 935 } 936 return; 937} 938 939static void 940rum_config_copy(struct rum_softc *sc, 941 struct usb2_config_td_cc *cc, uint16_t refcount) 942{ 943 struct ifnet *ifp; 944 struct ieee80211com *ic; 945 struct ieee80211_node *ni; 946 struct ieee80211vap *vap; 947 const struct ieee80211_txparam *tp; 948 949 bzero(cc, sizeof(*cc)); 950 951 ifp = sc->sc_ifp; 952 if (ifp) { 953 cc->if_flags = ifp->if_flags; 954 bcopy(ifp->if_broadcastaddr, cc->if_broadcastaddr, 955 sizeof(cc->if_broadcastaddr)); 956 957 ic = ifp->if_l2com; 958 if (ic) { 959 rum_config_copy_chan(&cc->ic_curchan, ic, ic->ic_curchan); 960 rum_config_copy_chan(&cc->ic_bsschan, ic, ic->ic_bsschan); 961 vap = TAILQ_FIRST(&ic->ic_vaps); 962 if (vap) { 963 ni = vap->iv_bss; 964 if (ni) { 965 cc->iv_bss.ni_intval = ni->ni_intval; 966 bcopy(ni->ni_bssid, cc->iv_bss.ni_bssid, 967 sizeof(cc->iv_bss.ni_bssid)); 968 } 969 tp = vap->iv_txparms + cc->ic_bsschan.chan_to_mode; 970 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) { 971 cc->iv_bss.fixed_rate_none = 1; 972 } 973 } 974 cc->ic_opmode = ic->ic_opmode; 975 cc->ic_flags = ic->ic_flags; 976 cc->ic_txpowlimit = ic->ic_txpowlimit; 977 cc->ic_curmode = ic->ic_curmode; 978 979 bcopy(ic->ic_myaddr, cc->ic_myaddr, 980 sizeof(cc->ic_myaddr)); 981 } 982 } 983 sc->sc_flags |= RUM_FLAG_WAIT_COMMAND; 984 return; 985} 986 987static const char * 988rum_get_rf(uint32_t rev) 989{ 990 ; /* indent fix */ 991 switch (rev) { 992 case RT2573_RF_2527: 993 return "RT2527 (MIMO XR)"; 994 case RT2573_RF_2528: 995 return "RT2528"; 996 case RT2573_RF_5225: 997 return "RT5225 (MIMO XR)"; 998 case RT2573_RF_5226: 999 return "RT5226"; 1000 default: 1001 return "unknown"; 1002 } 1003} 1004 1005static void 1006rum_bulk_read_callback(struct usb2_xfer *xfer) 1007{ 1008 struct rum_softc *sc = xfer->priv_sc; 1009 struct ifnet *ifp = sc->sc_ifp; 1010 struct ieee80211com *ic = ifp->if_l2com; 1011 struct ieee80211_node *ni; 1012 1013 struct mbuf *m = NULL; 1014 uint32_t flags; 1015 uint32_t max_len; 1016 uint8_t rssi = 0; 1017 1018 switch (USB_GET_STATE(xfer)) { 1019 case USB_ST_TRANSFERRED: 1020 1021 DPRINTFN(15, "rx done, actlen=%d\n", xfer->actlen); 1022 1023 if (xfer->actlen < (RT2573_RX_DESC_SIZE + IEEE80211_MIN_LEN)) { 1024 DPRINTF("too short transfer, " 1025 "%d bytes\n", xfer->actlen); 1026 ifp->if_ierrors++; 1027 goto tr_setup; 1028 } 1029 usb2_copy_out(xfer->frbuffers, 0, 1030 &sc->sc_rx_desc, RT2573_RX_DESC_SIZE); 1031 1032 flags = le32toh(sc->sc_rx_desc.flags); 1033 1034 if (flags & RT2573_RX_CRC_ERROR) { 1035 /* 1036 * This should not happen since we did not 1037 * request to receive those frames when we 1038 * filled RAL_TXRX_CSR2: 1039 */ 1040 DPRINTFN(6, "PHY or CRC error\n"); 1041 ifp->if_ierrors++; 1042 goto tr_setup; 1043 } 1044 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1045 1046 if (m == NULL) { 1047 DPRINTF("could not allocate mbuf\n"); 1048 ifp->if_ierrors++; 1049 goto tr_setup; 1050 } 1051 max_len = (xfer->actlen - RT2573_RX_DESC_SIZE); 1052 1053 usb2_copy_out(xfer->frbuffers, RT2573_RX_DESC_SIZE, 1054 m->m_data, max_len); 1055 1056 /* finalize mbuf */ 1057 m->m_pkthdr.rcvif = ifp; 1058 m->m_pkthdr.len = m->m_len = (flags >> 16) & 0xfff; 1059 1060 if (m->m_len > max_len) { 1061 DPRINTF("invalid length in RX " 1062 "descriptor, %u bytes, received %u bytes\n", 1063 m->m_len, max_len); 1064 ifp->if_ierrors++; 1065 m_freem(m); 1066 m = NULL; 1067 goto tr_setup; 1068 } 1069 rssi = rum_get_rssi(sc, sc->sc_rx_desc.rssi); 1070 1071 DPRINTF("real length=%d bytes, rssi=%d\n", m->m_len, rssi); 1072 1073 if (bpf_peers_present(ifp->if_bpf)) { 1074 struct rum_rx_radiotap_header *tap = &sc->sc_rxtap; 1075 1076 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1077 tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate, 1078 (sc->sc_rx_desc.flags & htole32(RT2573_RX_OFDM)) ? 1079 IEEE80211_T_OFDM : IEEE80211_T_CCK); 1080 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1081 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1082 tap->wr_antenna = sc->sc_rx_ant; 1083 tap->wr_antsignal = rssi; 1084 1085 bpf_mtap2(ifp->if_bpf, tap, sc->sc_rxtap_len, m); 1086 } 1087 case USB_ST_SETUP: 1088tr_setup: 1089 1090 if (sc->sc_flags & RUM_FLAG_READ_STALL) { 1091 usb2_transfer_start(sc->sc_xfer[3]); 1092 } else { 1093 xfer->frlengths[0] = xfer->max_data_length; 1094 usb2_start_hardware(xfer); 1095 } 1096 1097 /* 1098 * At the end of a USB callback it is always safe to unlock 1099 * the private mutex of a device! That is why we do the 1100 * "ieee80211_input" here, and not some lines up! 1101 */ 1102 if (m) { 1103 mtx_unlock(&sc->sc_mtx); 1104 1105 ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *)); 1106 if (ni != NULL) { 1107 if (ieee80211_input(ni, m, rssi, RT2573_NOISE_FLOOR, 0)) { 1108 /* ignore */ 1109 } 1110 /* node is no longer needed */ 1111 ieee80211_free_node(ni); 1112 } else { 1113 if (ieee80211_input_all(ic, m, rssi, RT2573_NOISE_FLOOR, 0)) { 1114 /* ignore */ 1115 } 1116 } 1117 1118 mtx_lock(&sc->sc_mtx); 1119 } 1120 return; 1121 1122 default: /* Error */ 1123 if (xfer->error != USB_ERR_CANCELLED) { 1124 /* try to clear stall first */ 1125 sc->sc_flags |= RUM_FLAG_READ_STALL; 1126 usb2_transfer_start(sc->sc_xfer[3]); 1127 } 1128 return; 1129 1130 } 1131} 1132 1133static void 1134rum_bulk_read_clear_stall_callback(struct usb2_xfer *xfer) 1135{ 1136 struct rum_softc *sc = xfer->priv_sc; 1137 struct usb2_xfer *xfer_other = sc->sc_xfer[1]; 1138 1139 if (usb2_clear_stall_callback(xfer, xfer_other)) { 1140 DPRINTF("stall cleared\n"); 1141 sc->sc_flags &= ~RUM_FLAG_READ_STALL; 1142 usb2_transfer_start(xfer_other); 1143 } 1144 return; 1145} 1146 1147static uint8_t 1148rum_plcp_signal(uint16_t rate) 1149{ 1150 ; /* indent fix */ 1151 switch (rate) { 1152 /* CCK rates (NB: not IEEE std, device-specific) */ 1153 case 2: 1154 return (0x0); 1155 case 4: 1156 return (0x1); 1157 case 11: 1158 return (0x2); 1159 case 22: 1160 return (0x3); 1161 1162 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1163 case 12: 1164 return (0xb); 1165 case 18: 1166 return (0xf); 1167 case 24: 1168 return (0xa); 1169 case 36: 1170 return (0xe); 1171 case 48: 1172 return (0x9); 1173 case 72: 1174 return (0xd); 1175 case 96: 1176 return (0x8); 1177 case 108: 1178 return (0xc); 1179 1180 /* XXX unsupported/unknown rate */ 1181 default: 1182 return (0xff); 1183 } 1184} 1185 1186/* 1187 * We assume that "m->m_pkthdr.rcvif" is pointing to the "ni" that 1188 * should be freed, when "rum_setup_desc_and_tx" is called. 1189 */ 1190 1191static void 1192rum_setup_desc_and_tx(struct rum_softc *sc, struct mbuf *m, uint32_t flags, 1193 uint16_t xflags, uint16_t rate) 1194{ 1195 struct ifnet *ifp = sc->sc_ifp; 1196 struct ieee80211com *ic = ifp->if_l2com; 1197 struct mbuf *mm; 1198 enum ieee80211_phytype phytype; 1199 uint16_t plcp_length; 1200 uint16_t len; 1201 uint8_t remainder; 1202 uint8_t is_beacon; 1203 1204 if (xflags & RT2573_TX_BEACON) { 1205 xflags &= ~RT2573_TX_BEACON; 1206 is_beacon = 1; 1207 } else { 1208 is_beacon = 0; 1209 } 1210 1211 if (sc->sc_tx_queue.ifq_len >= IFQ_MAXLEN) { 1212 /* free packet */ 1213 rum_tx_freem(m); 1214 ifp->if_oerrors++; 1215 return; 1216 } 1217 if (!((sc->sc_flags & RUM_FLAG_LL_READY) && 1218 (sc->sc_flags & RUM_FLAG_HL_READY))) { 1219 /* free packet */ 1220 rum_tx_freem(m); 1221 ifp->if_oerrors++; 1222 return; 1223 } 1224 if (rate < 2) { 1225 DPRINTF("rate < 2!\n"); 1226 1227 /* avoid division by zero */ 1228 rate = 2; 1229 } 1230 ic->ic_lastdata = ticks; 1231 if (bpf_peers_present(ifp->if_bpf)) { 1232 struct rum_tx_radiotap_header *tap = &sc->sc_txtap; 1233 1234 tap->wt_flags = 0; 1235 tap->wt_rate = rate; 1236 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 1237 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 1238 tap->wt_antenna = sc->sc_tx_ant; 1239 1240 bpf_mtap2(ifp->if_bpf, tap, sc->sc_txtap_len, m); 1241 } 1242 len = m->m_pkthdr.len; 1243 1244 flags |= RT2573_TX_VALID; 1245 flags |= (len << 16); 1246 1247 sc->sc_tx_desc.flags = htole32(flags); 1248 sc->sc_tx_desc.xflags = htole16(xflags); 1249 1250 sc->sc_tx_desc.wme = htole16(RT2573_QID(0) | RT2573_AIFSN(2) | 1251 RT2573_LOGCWMIN(4) | RT2573_LOGCWMAX(10)); 1252 1253 /* setup PLCP fields */ 1254 sc->sc_tx_desc.plcp_signal = rum_plcp_signal(rate); 1255 sc->sc_tx_desc.plcp_service = 4; 1256 1257 len += IEEE80211_CRC_LEN; 1258 1259 phytype = ieee80211_rate2phytype(sc->sc_rates, rate); 1260 1261 if (phytype == IEEE80211_T_OFDM) { 1262 sc->sc_tx_desc.flags |= htole32(RT2573_TX_OFDM); 1263 1264 plcp_length = (len & 0xfff); 1265 sc->sc_tx_desc.plcp_length_hi = plcp_length >> 6; 1266 sc->sc_tx_desc.plcp_length_lo = plcp_length & 0x3f; 1267 } else { 1268 plcp_length = ((16 * len) + rate - 1) / rate; 1269 if (rate == 22) { 1270 remainder = (16 * len) % 22; 1271 if ((remainder != 0) && (remainder < 7)) { 1272 sc->sc_tx_desc.plcp_service |= 1273 RT2573_PLCP_LENGEXT; 1274 } 1275 } 1276 sc->sc_tx_desc.plcp_length_hi = plcp_length >> 8; 1277 sc->sc_tx_desc.plcp_length_lo = plcp_length & 0xff; 1278 1279 if ((rate != 2) && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) { 1280 sc->sc_tx_desc.plcp_signal |= 0x08; 1281 } 1282 } 1283 1284 if (sizeof(sc->sc_tx_desc) > MHLEN) { 1285 DPRINTF("No room for header structure!\n"); 1286 rum_tx_freem(m); 1287 return; 1288 } 1289 mm = m_gethdr(M_NOWAIT, MT_DATA); 1290 if (mm == NULL) { 1291 DPRINTF("Could not allocate header mbuf!\n"); 1292 rum_tx_freem(m); 1293 return; 1294 } 1295 bcopy(&sc->sc_tx_desc, mm->m_data, sizeof(sc->sc_tx_desc)); 1296 mm->m_len = sizeof(sc->sc_tx_desc); 1297 mm->m_next = m; 1298 mm->m_pkthdr.len = mm->m_len + m->m_pkthdr.len; 1299 mm->m_pkthdr.rcvif = NULL; 1300 1301 if (is_beacon) { 1302 1303 if (mm->m_pkthdr.len > sizeof(sc->sc_beacon_buf)) { 1304 DPRINTFN(0, "Truncating beacon" 1305 ", %u bytes!\n", mm->m_pkthdr.len); 1306 mm->m_pkthdr.len = sizeof(sc->sc_beacon_buf); 1307 } 1308 m_copydata(mm, 0, mm->m_pkthdr.len, sc->sc_beacon_buf); 1309 1310 /* copy the first 24 bytes of Tx descriptor into NIC memory */ 1311 rum_cfg_write_multi(sc, RT2573_HW_BEACON_BASE0, 1312 sc->sc_beacon_buf, mm->m_pkthdr.len); 1313 rum_tx_freem(mm); 1314 return; 1315 } 1316 /* start write transfer, if not started */ 1317 _IF_ENQUEUE(&sc->sc_tx_queue, mm); 1318 1319 usb2_transfer_start(sc->sc_xfer[0]); 1320 return; 1321} 1322 1323static void 1324rum_bulk_write_callback(struct usb2_xfer *xfer) 1325{ 1326 struct rum_softc *sc = xfer->priv_sc; 1327 struct ifnet *ifp = sc->sc_ifp; 1328 struct mbuf *m; 1329 uint16_t temp_len; 1330 uint8_t align; 1331 1332 switch (USB_GET_STATE(xfer)) { 1333 case USB_ST_TRANSFERRED: 1334 DPRINTFN(11, "transfer complete\n"); 1335 1336 ifp->if_opackets++; 1337 1338 case USB_ST_SETUP: 1339 if (sc->sc_flags & RUM_FLAG_WRITE_STALL) { 1340 usb2_transfer_start(sc->sc_xfer[2]); 1341 break; 1342 } 1343 if (sc->sc_flags & RUM_FLAG_WAIT_COMMAND) { 1344 /* 1345 * don't send anything while a command is pending ! 1346 */ 1347 break; 1348 } 1349 rum_fill_write_queue(sc); 1350 1351 _IF_DEQUEUE(&sc->sc_tx_queue, m); 1352 1353 if (m) { 1354 1355 if (m->m_pkthdr.len > (MCLBYTES + RT2573_TX_DESC_SIZE)) { 1356 DPRINTFN(0, "data overflow, %u bytes\n", 1357 m->m_pkthdr.len); 1358 m->m_pkthdr.len = (MCLBYTES + RT2573_TX_DESC_SIZE); 1359 } 1360 usb2_m_copy_in(xfer->frbuffers, 0, 1361 m, 0, m->m_pkthdr.len); 1362 1363 /* compute transfer length */ 1364 temp_len = m->m_pkthdr.len; 1365 1366 /* make transfer length 32-bit aligned */ 1367 align = (-(temp_len)) & 3; 1368 1369 /* check if we need to add four extra bytes */ 1370 if (((temp_len + align) % 64) == 0) { 1371 align += 4; 1372 } 1373 /* check if we need to align length */ 1374 if (align != 0) { 1375 /* zero the extra bytes */ 1376 usb2_bzero(xfer->frbuffers, temp_len, align); 1377 temp_len += align; 1378 } 1379 DPRINTFN(11, "sending frame len=%u ferlen=%u\n", 1380 m->m_pkthdr.len, temp_len); 1381 1382 xfer->frlengths[0] = temp_len; 1383 usb2_start_hardware(xfer); 1384 1385 /* free mbuf and node */ 1386 rum_tx_freem(m); 1387 1388 } 1389 break; 1390 1391 default: /* Error */ 1392 DPRINTFN(11, "transfer error, %s\n", 1393 usb2_errstr(xfer->error)); 1394 1395 if (xfer->error != USB_ERR_CANCELLED) { 1396 /* try to clear stall first */ 1397 sc->sc_flags |= RUM_FLAG_WRITE_STALL; 1398 usb2_transfer_start(sc->sc_xfer[2]); 1399 } 1400 ifp->if_oerrors++; 1401 break; 1402 } 1403 return; 1404} 1405 1406static void 1407rum_bulk_write_clear_stall_callback(struct usb2_xfer *xfer) 1408{ 1409 struct rum_softc *sc = xfer->priv_sc; 1410 struct usb2_xfer *xfer_other = sc->sc_xfer[0]; 1411 1412 if (usb2_clear_stall_callback(xfer, xfer_other)) { 1413 DPRINTF("stall cleared\n"); 1414 sc->sc_flags &= ~RUM_FLAG_WRITE_STALL; 1415 usb2_transfer_start(xfer_other); 1416 } 1417 return; 1418} 1419 1420static void 1421rum_watchdog(void *arg) 1422{ 1423 struct rum_softc *sc = arg; 1424 1425 mtx_assert(&sc->sc_mtx, MA_OWNED); 1426 1427 if (sc->sc_amrr_timer) { 1428 usb2_config_td_queue_command 1429 (&sc->sc_config_td, NULL, 1430 &rum_cfg_amrr_timeout, 0, 0); 1431 } 1432 usb2_callout_reset(&sc->sc_watchdog, 1433 hz, &rum_watchdog, sc); 1434 1435 mtx_unlock(&sc->sc_mtx); 1436 1437 return; 1438} 1439 1440static void 1441rum_init_cb(void *arg) 1442{ 1443 struct rum_softc *sc = arg; 1444 1445 mtx_lock(&sc->sc_mtx); 1446 usb2_config_td_queue_command 1447 (&sc->sc_config_td, &rum_cfg_pre_init, 1448 &rum_cfg_init, 0, 0); 1449 mtx_unlock(&sc->sc_mtx); 1450 1451 return; 1452} 1453 1454static int 1455rum_ioctl_cb(struct ifnet *ifp, u_long cmd, caddr_t data) 1456{ 1457 struct rum_softc *sc = ifp->if_softc; 1458 struct ieee80211com *ic = ifp->if_l2com; 1459 int error; 1460 1461 switch (cmd) { 1462 case SIOCSIFFLAGS: 1463 mtx_lock(&sc->sc_mtx); 1464 if (ifp->if_flags & IFF_UP) { 1465 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1466 usb2_config_td_queue_command 1467 (&sc->sc_config_td, &rum_cfg_pre_init, 1468 &rum_cfg_init, 0, 0); 1469 } 1470 } else { 1471 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1472 usb2_config_td_queue_command 1473 (&sc->sc_config_td, &rum_cfg_pre_stop, 1474 &rum_cfg_stop, 0, 0); 1475 } 1476 } 1477 mtx_unlock(&sc->sc_mtx); 1478 error = 0; 1479 break; 1480 1481 case SIOCGIFMEDIA: 1482 case SIOCSIFMEDIA: 1483 error = ifmedia_ioctl(ifp, (void *)data, &ic->ic_media, cmd); 1484 break; 1485 1486 default: 1487 error = ether_ioctl(ifp, cmd, data); 1488 } 1489 return (error); 1490} 1491 1492static void 1493rum_start_cb(struct ifnet *ifp) 1494{ 1495 struct rum_softc *sc = ifp->if_softc; 1496 1497 mtx_lock(&sc->sc_mtx); 1498 /* start write transfer, if not started */ 1499 usb2_transfer_start(sc->sc_xfer[0]); 1500 mtx_unlock(&sc->sc_mtx); 1501 1502 return; 1503} 1504 1505static void 1506rum_cfg_newstate(struct rum_softc *sc, 1507 struct usb2_config_td_cc *cc, uint16_t refcount) 1508{ 1509 struct ifnet *ifp = sc->sc_ifp; 1510 struct ieee80211com *ic = ifp->if_l2com; 1511 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1512 struct rum_vap *uvp = RUM_VAP(vap); 1513 enum ieee80211_state ostate; 1514 enum ieee80211_state nstate; 1515 int arg; 1516 1517 ostate = vap->iv_state; 1518 nstate = sc->sc_ns_state; 1519 arg = sc->sc_ns_arg; 1520 1521 if (ostate == IEEE80211_S_INIT) { 1522 /* We are leaving INIT. TSF sync should be off. */ 1523 rum_cfg_disable_tsf_sync(sc); 1524 } 1525 switch (nstate) { 1526 case IEEE80211_S_INIT: 1527 break; 1528 1529 case IEEE80211_S_RUN: 1530 rum_cfg_set_run(sc, cc); 1531 break; 1532 1533 default: 1534 break; 1535 } 1536 1537 mtx_unlock(&sc->sc_mtx); 1538 IEEE80211_LOCK(ic); 1539 uvp->newstate(vap, nstate, arg); 1540 if (vap->iv_newstate_cb != NULL) 1541 vap->iv_newstate_cb(vap, nstate, arg); 1542 IEEE80211_UNLOCK(ic); 1543 mtx_lock(&sc->sc_mtx); 1544 return; 1545} 1546 1547static int 1548rum_newstate_cb(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1549{ 1550 struct rum_vap *uvp = RUM_VAP(vap); 1551 struct ieee80211com *ic = vap->iv_ic; 1552 struct rum_softc *sc = ic->ic_ifp->if_softc; 1553 1554 DPRINTF("setting new state: %d\n", nstate); 1555 1556 /* Special case - cannot defer this call and cannot block ! */ 1557 if (nstate == IEEE80211_S_INIT) { 1558 /* stop timers */ 1559 mtx_lock(&sc->sc_mtx); 1560 sc->sc_amrr_timer = 0; 1561 mtx_unlock(&sc->sc_mtx); 1562 return (uvp->newstate(vap, nstate, arg)); 1563 } 1564 mtx_lock(&sc->sc_mtx); 1565 if (usb2_config_td_is_gone(&sc->sc_config_td)) { 1566 mtx_unlock(&sc->sc_mtx); 1567 return (0); /* nothing to do */ 1568 } 1569 /* store next state */ 1570 sc->sc_ns_state = nstate; 1571 sc->sc_ns_arg = arg; 1572 1573 /* stop timers */ 1574 sc->sc_amrr_timer = 0; 1575 1576 /* 1577 * USB configuration can only be done from the USB configuration 1578 * thread: 1579 */ 1580 usb2_config_td_queue_command 1581 (&sc->sc_config_td, &rum_config_copy, 1582 &rum_cfg_newstate, 0, 0); 1583 1584 mtx_unlock(&sc->sc_mtx); 1585 1586 return (EINPROGRESS); 1587} 1588 1589static void 1590rum_std_command(struct ieee80211com *ic, usb2_config_td_command_t *func) 1591{ 1592 struct rum_softc *sc = ic->ic_ifp->if_softc; 1593 1594 mtx_lock(&sc->sc_mtx); 1595 1596 sc->sc_rates = ieee80211_get_ratetable(ic->ic_curchan); 1597 1598 usb2_config_td_queue_command 1599 (&sc->sc_config_td, &rum_config_copy, func, 0, 0); 1600 1601 mtx_unlock(&sc->sc_mtx); 1602 1603 return; 1604} 1605 1606static void 1607rum_scan_start_cb(struct ieee80211com *ic) 1608{ 1609 rum_std_command(ic, &rum_cfg_scan_start); 1610 return; 1611} 1612 1613static void 1614rum_scan_end_cb(struct ieee80211com *ic) 1615{ 1616 rum_std_command(ic, &rum_cfg_scan_end); 1617 return; 1618} 1619 1620static void 1621rum_set_channel_cb(struct ieee80211com *ic) 1622{ 1623 rum_std_command(ic, &rum_cfg_set_chan); 1624 return; 1625} 1626 1627static void 1628rum_cfg_scan_start(struct rum_softc *sc, 1629 struct usb2_config_td_cc *cc, uint16_t refcount) 1630{ 1631 /* abort TSF synchronization */ 1632 rum_cfg_disable_tsf_sync(sc); 1633 rum_cfg_set_bssid(sc, cc->if_broadcastaddr); 1634 return; 1635} 1636 1637static void 1638rum_cfg_scan_end(struct rum_softc *sc, 1639 struct usb2_config_td_cc *cc, uint16_t refcount) 1640{ 1641 /* enable TSF synchronization */ 1642 rum_cfg_enable_tsf_sync(sc, cc, 0); 1643 rum_cfg_set_bssid(sc, cc->iv_bss.ni_bssid); 1644 return; 1645} 1646 1647/* 1648 * Reprogram MAC/BBP to switch to a new band. Values taken from the reference 1649 * driver. 1650 */ 1651static void 1652rum_cfg_select_band(struct rum_softc *sc, 1653 struct usb2_config_td_cc *cc, uint16_t refcount) 1654{ 1655 uint32_t tmp; 1656 uint8_t bbp17, bbp35, bbp96, bbp97, bbp98, bbp104; 1657 1658 /* update all BBP registers that depend on the band */ 1659 bbp17 = 0x20; 1660 bbp96 = 0x48; 1661 bbp104 = 0x2c; 1662 bbp35 = 0x50; 1663 bbp97 = 0x48; 1664 bbp98 = 0x48; 1665 1666 if (cc->ic_curchan.chan_is_5ghz) { 1667 bbp17 += 0x08; 1668 bbp96 += 0x10; 1669 bbp104 += 0x0c; 1670 bbp35 += 0x10; 1671 bbp97 += 0x10; 1672 bbp98 += 0x10; 1673 } 1674 if ((cc->ic_curchan.chan_is_2ghz && sc->sc_ext_2ghz_lna) || 1675 (cc->ic_curchan.chan_is_5ghz && sc->sc_ext_5ghz_lna)) { 1676 bbp17 += 0x10; 1677 bbp96 += 0x10; 1678 bbp104 += 0x10; 1679 } 1680 sc->sc_bbp17 = bbp17; 1681 rum_cfg_bbp_write(sc, 17, bbp17); 1682 rum_cfg_bbp_write(sc, 96, bbp96); 1683 rum_cfg_bbp_write(sc, 104, bbp104); 1684 1685 if ((cc->ic_curchan.chan_is_2ghz && sc->sc_ext_2ghz_lna) || 1686 (cc->ic_curchan.chan_is_5ghz && sc->sc_ext_5ghz_lna)) { 1687 rum_cfg_bbp_write(sc, 75, 0x80); 1688 rum_cfg_bbp_write(sc, 86, 0x80); 1689 rum_cfg_bbp_write(sc, 88, 0x80); 1690 } 1691 rum_cfg_bbp_write(sc, 35, bbp35); 1692 rum_cfg_bbp_write(sc, 97, bbp97); 1693 rum_cfg_bbp_write(sc, 98, bbp98); 1694 1695 tmp = rum_cfg_read(sc, RT2573_PHY_CSR0); 1696 tmp &= ~(RT2573_PA_PE_2GHZ | RT2573_PA_PE_5GHZ); 1697 if (cc->ic_curchan.chan_is_2ghz) 1698 tmp |= RT2573_PA_PE_2GHZ; 1699 else 1700 tmp |= RT2573_PA_PE_5GHZ; 1701 rum_cfg_write(sc, RT2573_PHY_CSR0, tmp); 1702 1703 /* 802.11a uses a 16 microseconds short interframe space */ 1704 sc->sc_sifs = cc->ic_curchan.chan_is_5ghz ? 16 : 10; 1705 1706 return; 1707} 1708 1709static void 1710rum_cfg_set_chan(struct rum_softc *sc, 1711 struct usb2_config_td_cc *cc, uint16_t refcount) 1712{ 1713 enum { 1714 N_RF5225 = (sizeof(rum_rf5225) / sizeof(rum_rf5225[0]))}; 1715 const struct rfprog *rfprog; 1716 uint32_t chan; 1717 uint16_t i; 1718 uint8_t bbp3; 1719 uint8_t bbp94 = RT2573_BBPR94_DEFAULT; 1720 int8_t power; 1721 1722 chan = cc->ic_curchan.chan_to_ieee; 1723 1724 if ((chan == 0) || 1725 (chan == IEEE80211_CHAN_ANY)) { 1726 /* nothing to do */ 1727 return; 1728 } 1729 if (chan == sc->sc_last_chan) { 1730 return; 1731 } 1732 sc->sc_last_chan = chan; 1733 1734 /* select the appropriate RF settings based on what EEPROM says */ 1735 rfprog = ((sc->sc_rf_rev == RT2573_RF_5225) || 1736 (sc->sc_rf_rev == RT2573_RF_2527)) ? rum_rf5225 : rum_rf5226; 1737 1738 /* find the settings for this channel */ 1739 for (i = 0;; i++) { 1740 if (i == (N_RF5225 - 1)) 1741 break; 1742 if (rfprog[i].chan == chan) 1743 break; 1744 } 1745 1746 DPRINTF("chan=%d, i=%d\n", chan, i); 1747 1748 power = sc->sc_txpow[i]; 1749 if (power < 0) { 1750 bbp94 += power; 1751 power = 0; 1752 } else if (power > 31) { 1753 bbp94 += power - 31; 1754 power = 31; 1755 } 1756 /* 1757 * If we are switching from the 2GHz band to the 5GHz band or 1758 * vice-versa, BBP registers need to be reprogrammed. 1759 */ 1760 rum_cfg_select_band(sc, cc, 0); 1761 rum_cfg_select_antenna(sc, cc, 0); 1762 1763 rum_cfg_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1764 rum_cfg_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1765 rum_cfg_rf_write(sc, RT2573_RF3, rfprog[i].r3 | (power << 7)); 1766 rum_cfg_rf_write(sc, RT2573_RF4, rfprog[i].r4 | (sc->sc_rffreq << 10)); 1767 1768 rum_cfg_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1769 rum_cfg_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1770 rum_cfg_rf_write(sc, RT2573_RF3, rfprog[i].r3 | (power << 7) | 1); 1771 rum_cfg_rf_write(sc, RT2573_RF4, rfprog[i].r4 | (sc->sc_rffreq << 10)); 1772 1773 rum_cfg_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1774 rum_cfg_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1775 rum_cfg_rf_write(sc, RT2573_RF3, rfprog[i].r3 | (power << 7)); 1776 rum_cfg_rf_write(sc, RT2573_RF4, rfprog[i].r4 | (sc->sc_rffreq << 10)); 1777 1778 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 1779 return; 1780 } 1781 /* enable smart mode for MIMO-capable RFs */ 1782 bbp3 = rum_cfg_bbp_read(sc, 3); 1783 1784 if ((sc->sc_rf_rev == RT2573_RF_5225) || 1785 (sc->sc_rf_rev == RT2573_RF_2527)) 1786 bbp3 &= ~RT2573_SMART_MODE; 1787 else 1788 bbp3 |= RT2573_SMART_MODE; 1789 1790 rum_cfg_bbp_write(sc, 3, bbp3); 1791 1792 rum_cfg_bbp_write(sc, 94, bbp94); 1793 1794 /* update basic rate set */ 1795 1796 if (cc->ic_curchan.chan_is_b) { 1797 /* 11b basic rates: 1, 2Mbps */ 1798 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x3); 1799 } else if (cc->ic_curchan.chan_is_a) { 1800 /* 11a basic rates: 6, 12, 24Mbps */ 1801 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x150); 1802 } else { 1803 /* 11b/g basic rates: 1, 2, 5.5, 11Mbps */ 1804 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0xf); 1805 } 1806 1807 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 1808 return; 1809 } 1810 return; 1811} 1812 1813static void 1814rum_cfg_set_run(struct rum_softc *sc, 1815 struct usb2_config_td_cc *cc) 1816{ 1817 1818 if (cc->ic_opmode != IEEE80211_M_MONITOR) { 1819 rum_cfg_update_slot(sc, cc, 0); 1820 rum_cfg_enable_mrr(sc, cc, 0); 1821 rum_cfg_set_txpreamble(sc, cc, 0); 1822 1823 /* update basic rate set */ 1824 1825 if (cc->ic_bsschan.chan_is_5ghz) { 1826 /* 11a basic rates: 6, 12, 24Mbps */ 1827 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x150); 1828 } else if (cc->ic_bsschan.chan_is_g) { 1829 /* 11b/g basic rates: 1, 2, 5.5, 11Mbps */ 1830 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0xf); 1831 } else { 1832 /* 11b basic rates: 1, 2Mbps */ 1833 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x3); 1834 } 1835 rum_cfg_set_bssid(sc, cc->iv_bss.ni_bssid); 1836 } 1837 if ((cc->ic_opmode == IEEE80211_M_HOSTAP) || 1838 (cc->ic_opmode == IEEE80211_M_IBSS)) { 1839 rum_cfg_prepare_beacon(sc, cc, 0); 1840 } 1841 if (cc->ic_opmode != IEEE80211_M_MONITOR) { 1842 rum_cfg_enable_tsf_sync(sc, cc, 0); 1843 } 1844 if (cc->iv_bss.fixed_rate_none) { 1845 /* enable automatic rate adaptation */ 1846 rum_cfg_amrr_start(sc); 1847 } 1848 return; 1849} 1850 1851static void 1852rum_cfg_enable_tsf_sync(struct rum_softc *sc, 1853 struct usb2_config_td_cc *cc, uint16_t refcount) 1854{ 1855 uint32_t tmp; 1856 1857 if (cc->ic_opmode != IEEE80211_M_STA) { 1858 /* 1859 * Change default 16ms TBTT adjustment to 8ms. 1860 * Must be done before enabling beacon generation. 1861 */ 1862 rum_cfg_write(sc, RT2573_TXRX_CSR10, (1 << 12) | 8); 1863 } 1864 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR9) & 0xff000000; 1865 1866 /* set beacon interval (in 1/16ms unit) */ 1867 tmp |= cc->iv_bss.ni_intval * 16; 1868 1869 tmp |= RT2573_TSF_TICKING | RT2573_ENABLE_TBTT; 1870 if (cc->ic_opmode == IEEE80211_M_STA) 1871 tmp |= RT2573_TSF_MODE(1); 1872 else 1873 tmp |= RT2573_TSF_MODE(2) | RT2573_GENERATE_BEACON; 1874 1875 rum_cfg_write(sc, RT2573_TXRX_CSR9, tmp); 1876 1877 return; 1878} 1879 1880static void 1881rum_cfg_disable_tsf_sync(struct rum_softc *sc) 1882{ 1883 uint32_t tmp; 1884 1885 /* abort TSF synchronization */ 1886 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR9); 1887 rum_cfg_write(sc, RT2573_TXRX_CSR9, tmp & ~0x00ffffff); 1888 return; 1889} 1890 1891/* 1892 * Enable multi-rate retries for frames sent at OFDM rates. 1893 * In 802.11b/g mode, allow fallback to CCK rates. 1894 */ 1895static void 1896rum_cfg_enable_mrr(struct rum_softc *sc, 1897 struct usb2_config_td_cc *cc, uint16_t refcount) 1898{ 1899 uint32_t tmp; 1900 1901 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR4); 1902 1903 if (cc->ic_curchan.chan_is_5ghz) 1904 tmp &= ~RT2573_MRR_CCK_FALLBACK; 1905 else 1906 tmp |= RT2573_MRR_CCK_FALLBACK; 1907 1908 tmp |= RT2573_MRR_ENABLED; 1909 1910 rum_cfg_write(sc, RT2573_TXRX_CSR4, tmp); 1911 1912 return; 1913} 1914 1915static void 1916rum_cfg_update_slot(struct rum_softc *sc, 1917 struct usb2_config_td_cc *cc, uint16_t refcount) 1918{ 1919 uint32_t tmp; 1920 uint8_t slottime; 1921 1922 slottime = (cc->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20; 1923 1924 tmp = rum_cfg_read(sc, RT2573_MAC_CSR9); 1925 tmp = (tmp & ~0xff) | slottime; 1926 rum_cfg_write(sc, RT2573_MAC_CSR9, tmp); 1927 1928 DPRINTF("setting slot time to %u us\n", slottime); 1929 1930 return; 1931} 1932 1933static void 1934rum_cfg_set_txpreamble(struct rum_softc *sc, 1935 struct usb2_config_td_cc *cc, uint16_t refcount) 1936{ 1937 uint32_t tmp; 1938 1939 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR4); 1940 1941 if (cc->ic_flags & IEEE80211_F_SHPREAMBLE) 1942 tmp |= RT2573_SHORT_PREAMBLE; 1943 else 1944 tmp &= ~RT2573_SHORT_PREAMBLE; 1945 1946 rum_cfg_write(sc, RT2573_TXRX_CSR4, tmp); 1947 1948 return; 1949} 1950 1951static void 1952rum_cfg_set_bssid(struct rum_softc *sc, uint8_t *bssid) 1953{ 1954 uint32_t tmp; 1955 1956 tmp = bssid[0] | (bssid[1] << 8) | (bssid[2] << 16) | (bssid[3] << 24); 1957 rum_cfg_write(sc, RT2573_MAC_CSR4, tmp); 1958 1959 tmp = (bssid[4]) | (bssid[5] << 8) | (RT2573_ONE_BSSID << 16); 1960 rum_cfg_write(sc, RT2573_MAC_CSR5, tmp); 1961 1962 return; 1963} 1964 1965static void 1966rum_cfg_set_macaddr(struct rum_softc *sc, uint8_t *addr) 1967{ 1968 uint32_t tmp; 1969 1970 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24); 1971 rum_cfg_write(sc, RT2573_MAC_CSR2, tmp); 1972 1973 tmp = addr[4] | (addr[5] << 8) | (0xff << 16); 1974 rum_cfg_write(sc, RT2573_MAC_CSR3, tmp); 1975 1976 return; 1977} 1978 1979static void 1980rum_cfg_update_promisc(struct rum_softc *sc, 1981 struct usb2_config_td_cc *cc, uint16_t refcount) 1982{ 1983 uint32_t tmp; 1984 1985 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0); 1986 1987 if (cc->if_flags & IFF_PROMISC) 1988 tmp &= ~RT2573_DROP_NOT_TO_ME; 1989 else 1990 tmp |= RT2573_DROP_NOT_TO_ME; 1991 1992 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp); 1993 1994 DPRINTF("%s promiscuous mode\n", 1995 (cc->if_flags & IFF_PROMISC) ? 1996 "entering" : "leaving"); 1997 return; 1998} 1999 2000static void 2001rum_cfg_select_antenna(struct rum_softc *sc, 2002 struct usb2_config_td_cc *cc, uint16_t refcount) 2003{ 2004 uint32_t tmp; 2005 uint8_t bbp3; 2006 uint8_t bbp4; 2007 uint8_t bbp77; 2008 uint8_t rx_ant; 2009 uint8_t is_5ghz; 2010 2011 bbp3 = rum_cfg_bbp_read(sc, 3); 2012 bbp4 = rum_cfg_bbp_read(sc, 4); 2013 bbp77 = rum_cfg_bbp_read(sc, 77); 2014 2015 bbp3 &= ~0x01; 2016 bbp4 &= ~0x23; 2017 2018 rx_ant = sc->sc_rx_ant; 2019 is_5ghz = cc->ic_curchan.chan_is_5ghz; 2020 2021 switch (sc->sc_rf_rev) { 2022 case RT2573_RF_5226: 2023 case RT2573_RF_5225: 2024 if (rx_ant == 0) { 2025 /* Diversity */ 2026 bbp4 |= 0x02; 2027 if (is_5ghz == 0) 2028 bbp4 |= 0x20; 2029 } else if (rx_ant == 1) { 2030 /* RX: Antenna A */ 2031 bbp4 |= 0x01; 2032 if (is_5ghz) 2033 bbp77 &= ~0x03; 2034 else 2035 bbp77 |= 0x03; 2036 } else if (rx_ant == 2) { 2037 /* RX: Antenna B */ 2038 bbp4 |= 0x01; 2039 if (is_5ghz) 2040 bbp77 |= 0x03; 2041 else 2042 bbp77 &= ~0x03; 2043 } 2044 break; 2045 2046 case RT2573_RF_2528: 2047 case RT2573_RF_2527: 2048 if (rx_ant == 0) { 2049 /* Diversity */ 2050 bbp4 |= 0x22; 2051 } else if (rx_ant == 1) { 2052 /* RX: Antenna A */ 2053 bbp4 |= 0x21; 2054 bbp77 |= 0x03; 2055 } else if (rx_ant == 2) { 2056 /* RX: Antenna B */ 2057 bbp4 |= 0x21; 2058 bbp77 &= ~0x03; 2059 } 2060 break; 2061 default: 2062 break; 2063 } 2064 bbp4 &= ~(sc->sc_ftype << 5); 2065 2066 /* make sure Rx is disabled before switching antenna */ 2067 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0); 2068 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX); 2069 2070 rum_cfg_bbp_write(sc, 3, bbp3); 2071 rum_cfg_bbp_write(sc, 4, bbp4); 2072 rum_cfg_bbp_write(sc, 77, bbp77); 2073 2074 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp); 2075 2076 return; 2077} 2078 2079static void 2080rum_cfg_read_eeprom(struct rum_softc *sc) 2081{ 2082 uint16_t val; 2083 2084 /* read MAC address */ 2085 rum_cfg_eeprom_read(sc, RT2573_EEPROM_ADDRESS, sc->sc_myaddr, 6); 2086 2087 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_ANTENNA); 2088 sc->sc_rf_rev = (val >> 11) & 0x1f; 2089 sc->sc_hw_radio = (val >> 10) & 0x1; 2090 sc->sc_ftype = (val >> 6) & 0x1; 2091 sc->sc_rx_ant = (val >> 4) & 0x3; 2092 sc->sc_tx_ant = (val >> 2) & 0x3; 2093 sc->sc_nb_ant = (val & 0x3); 2094 2095 DPRINTF("RF revision=%d\n", sc->sc_rf_rev); 2096 2097 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_CONFIG2); 2098 sc->sc_ext_5ghz_lna = (val >> 6) & 0x1; 2099 sc->sc_ext_2ghz_lna = (val >> 4) & 0x1; 2100 2101 DPRINTF("External 2GHz LNA=%d, External 5GHz LNA=%d\n", 2102 sc->sc_ext_2ghz_lna, sc->sc_ext_5ghz_lna); 2103 2104 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_RSSI_2GHZ_OFFSET); 2105 if ((val & 0xff) != 0xff) 2106 sc->sc_rssi_2ghz_corr = (int8_t)(val & 0xff); /* signed */ 2107 else 2108 sc->sc_rssi_2ghz_corr = 0; 2109 2110 /* range check */ 2111 if ((sc->sc_rssi_2ghz_corr < -10) || 2112 (sc->sc_rssi_2ghz_corr > 10)) { 2113 sc->sc_rssi_2ghz_corr = 0; 2114 } 2115 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_RSSI_5GHZ_OFFSET); 2116 if ((val & 0xff) != 0xff) 2117 sc->sc_rssi_5ghz_corr = (int8_t)(val & 0xff); /* signed */ 2118 else 2119 sc->sc_rssi_5ghz_corr = 0; 2120 2121 /* range check */ 2122 if ((sc->sc_rssi_5ghz_corr < -10) || 2123 (sc->sc_rssi_5ghz_corr > 10)) { 2124 sc->sc_rssi_5ghz_corr = 0; 2125 } 2126 if (sc->sc_ext_2ghz_lna) { 2127 sc->sc_rssi_2ghz_corr -= 14; 2128 } 2129 if (sc->sc_ext_5ghz_lna) { 2130 sc->sc_rssi_5ghz_corr -= 14; 2131 } 2132 DPRINTF("RSSI 2GHz corr=%d, RSSI 5GHz corr=%d\n", 2133 sc->sc_rssi_2ghz_corr, sc->sc_rssi_5ghz_corr); 2134 2135 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_FREQ_OFFSET); 2136 if ((val & 0xff) != 0xff) 2137 sc->sc_rffreq = (val & 0xff); 2138 else 2139 sc->sc_rffreq = 0; 2140 2141 DPRINTF("RF freq=%d\n", sc->sc_rffreq); 2142 2143 /* read Tx power for all a/b/g channels */ 2144 rum_cfg_eeprom_read(sc, RT2573_EEPROM_TXPOWER, sc->sc_txpow, 14); 2145 2146 /* XXX default Tx power for 802.11a channels */ 2147 memset(sc->sc_txpow + 14, 24, sizeof(sc->sc_txpow) - 14); 2148 2149 /* read default values for BBP registers */ 2150 rum_cfg_eeprom_read(sc, RT2573_EEPROM_BBP_BASE, sc->sc_bbp_prom, 2 * 16); 2151 2152 return; 2153} 2154 2155static uint8_t 2156rum_cfg_bbp_init(struct rum_softc *sc) 2157{ 2158 enum { 2159 N_DEF_BBP = (sizeof(rum_def_bbp) / sizeof(rum_def_bbp[0])), 2160 }; 2161 uint16_t i; 2162 uint8_t to; 2163 uint8_t tmp; 2164 2165 /* wait for BBP to become ready */ 2166 for (to = 0;; to++) { 2167 if (to < 100) { 2168 tmp = rum_cfg_bbp_read(sc, 0); 2169 if ((tmp != 0x00) && 2170 (tmp != 0xff)) { 2171 break; 2172 } 2173 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 2174 return (1); /* failure */ 2175 } 2176 } else { 2177 DPRINTF("timeout waiting for BBP\n"); 2178 return (1); /* failure */ 2179 } 2180 } 2181 2182 /* initialize BBP registers to default values */ 2183 for (i = 0; i < N_DEF_BBP; i++) { 2184 rum_cfg_bbp_write(sc, rum_def_bbp[i].reg, rum_def_bbp[i].val); 2185 } 2186 2187 /* write vendor-specific BBP values (from EEPROM) */ 2188 for (i = 0; i < 16; i++) { 2189 if ((sc->sc_bbp_prom[i].reg == 0) || 2190 (sc->sc_bbp_prom[i].reg == 0xff)) { 2191 continue; 2192 } 2193 rum_cfg_bbp_write(sc, sc->sc_bbp_prom[i].reg, sc->sc_bbp_prom[i].val); 2194 } 2195 return (0); 2196} 2197 2198static void 2199rum_cfg_pre_init(struct rum_softc *sc, 2200 struct usb2_config_td_cc *cc, uint16_t refcount) 2201{ 2202 struct ifnet *ifp = sc->sc_ifp; 2203 struct ieee80211com *ic = ifp->if_l2com; 2204 2205 /* immediate configuration */ 2206 2207 rum_cfg_pre_stop(sc, cc, 0); 2208 2209 ifp->if_drv_flags |= IFF_DRV_RUNNING; 2210 2211 sc->sc_flags |= RUM_FLAG_HL_READY; 2212 2213 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp)); 2214 return; 2215} 2216 2217static void 2218rum_cfg_init(struct rum_softc *sc, 2219 struct usb2_config_td_cc *cc, uint16_t refcount) 2220{ 2221 enum { 2222 N_DEF_MAC = (sizeof(rum_def_mac) / sizeof(rum_def_mac[0])), 2223 }; 2224 2225 uint32_t tmp; 2226 uint16_t i; 2227 uint8_t to; 2228 2229 /* delayed configuration */ 2230 2231 rum_cfg_stop(sc, cc, 0); 2232 2233 /* initialize MAC registers to default values */ 2234 for (i = 0; i < N_DEF_MAC; i++) { 2235 rum_cfg_write(sc, rum_def_mac[i].reg, rum_def_mac[i].val); 2236 } 2237 2238 /* set host ready */ 2239 rum_cfg_write(sc, RT2573_MAC_CSR1, 3); 2240 rum_cfg_write(sc, RT2573_MAC_CSR1, 0); 2241 2242 /* wait for BBP/RF to wakeup */ 2243 for (to = 0;; to++) { 2244 if (to < 100) { 2245 if (rum_cfg_read(sc, RT2573_MAC_CSR12) & 8) { 2246 break; 2247 } 2248 rum_cfg_write(sc, RT2573_MAC_CSR12, 4); /* force wakeup */ 2249 2250 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 2251 goto fail; 2252 } 2253 } else { 2254 DPRINTF("timeout waiting for " 2255 "BBP/RF to wakeup\n"); 2256 goto fail; 2257 } 2258 } 2259 2260 if (rum_cfg_bbp_init(sc)) { 2261 goto fail; 2262 } 2263 /* select default channel */ 2264 2265 sc->sc_last_chan = 0; 2266 2267 rum_cfg_set_chan(sc, cc, 0); 2268 2269 /* clear STA registers */ 2270 rum_cfg_read_multi(sc, RT2573_STA_CSR0, sc->sc_sta, sizeof(sc->sc_sta)); 2271 /* set MAC address */ 2272 rum_cfg_set_macaddr(sc, cc->ic_myaddr); 2273 2274 /* initialize ASIC */ 2275 rum_cfg_write(sc, RT2573_MAC_CSR1, 4); 2276 2277 /* 2278 * make sure that the first transaction 2279 * clears the stall: 2280 */ 2281 sc->sc_flags |= (RUM_FLAG_READ_STALL | 2282 RUM_FLAG_WRITE_STALL | 2283 RUM_FLAG_LL_READY); 2284 2285 if ((sc->sc_flags & RUM_FLAG_LL_READY) && 2286 (sc->sc_flags & RUM_FLAG_HL_READY)) { 2287 struct ifnet *ifp = sc->sc_ifp; 2288 struct ieee80211com *ic = ifp->if_l2com; 2289 2290 /* 2291 * start the USB transfers, if not already started: 2292 */ 2293 usb2_transfer_start(sc->sc_xfer[1]); 2294 usb2_transfer_start(sc->sc_xfer[0]); 2295 2296 /* 2297 * start IEEE802.11 layer 2298 */ 2299 mtx_unlock(&sc->sc_mtx); 2300 ieee80211_start_all(ic); 2301 mtx_lock(&sc->sc_mtx); 2302 } 2303 /* update Rx filter */ 2304 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0) & 0xffff; 2305 2306 tmp |= RT2573_DROP_PHY_ERROR | RT2573_DROP_CRC_ERROR; 2307 2308 if (cc->ic_opmode != IEEE80211_M_MONITOR) { 2309 tmp |= RT2573_DROP_CTL | RT2573_DROP_VER_ERROR | 2310 RT2573_DROP_ACKCTS; 2311 if (cc->ic_opmode != IEEE80211_M_HOSTAP) { 2312 tmp |= RT2573_DROP_TODS; 2313 } 2314 if (!(cc->if_flags & IFF_PROMISC)) { 2315 tmp |= RT2573_DROP_NOT_TO_ME; 2316 } 2317 } 2318 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp); 2319 2320 return; 2321 2322fail: 2323 rum_cfg_pre_stop(sc, NULL, 0); 2324 2325 if (cc) { 2326 rum_cfg_stop(sc, cc, 0); 2327 } 2328 return; 2329} 2330 2331static void 2332rum_cfg_pre_stop(struct rum_softc *sc, 2333 struct usb2_config_td_cc *cc, uint16_t refcount) 2334{ 2335 struct ifnet *ifp = sc->sc_ifp; 2336 2337 if (cc) { 2338 /* copy the needed configuration */ 2339 rum_config_copy(sc, cc, refcount); 2340 } 2341 /* immediate configuration */ 2342 2343 if (ifp) { 2344 /* clear flags */ 2345 ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 2346 } 2347 sc->sc_flags &= ~(RUM_FLAG_HL_READY | 2348 RUM_FLAG_LL_READY); 2349 2350 /* 2351 * stop all the transfers, if not already stopped: 2352 */ 2353 usb2_transfer_stop(sc->sc_xfer[0]); 2354 usb2_transfer_stop(sc->sc_xfer[1]); 2355 usb2_transfer_stop(sc->sc_xfer[2]); 2356 usb2_transfer_stop(sc->sc_xfer[3]); 2357 2358 /* clean up transmission */ 2359 rum_tx_clean_queue(sc); 2360 return; 2361} 2362 2363static void 2364rum_cfg_stop(struct rum_softc *sc, 2365 struct usb2_config_td_cc *cc, uint16_t refcount) 2366{ 2367 uint32_t tmp; 2368 2369 /* disable Rx */ 2370 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0); 2371 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX); 2372 2373 /* reset ASIC */ 2374 rum_cfg_write(sc, RT2573_MAC_CSR1, 3); 2375 2376 /* wait a little */ 2377 usb2_config_td_sleep(&sc->sc_config_td, hz / 10); 2378 2379 rum_cfg_write(sc, RT2573_MAC_CSR1, 0); 2380 2381 /* wait a little */ 2382 usb2_config_td_sleep(&sc->sc_config_td, hz / 10); 2383 2384 return; 2385} 2386 2387static void 2388rum_cfg_amrr_start(struct rum_softc *sc) 2389{ 2390 struct ieee80211vap *vap; 2391 struct ieee80211_node *ni; 2392 2393 vap = rum_get_vap(sc); 2394 2395 if (vap == NULL) { 2396 return; 2397 } 2398 ni = vap->iv_bss; 2399 if (ni == NULL) { 2400 return; 2401 } 2402 /* init AMRR */ 2403 2404 ieee80211_amrr_node_init(&RUM_VAP(vap)->amrr, &RUM_NODE(ni)->amn, ni); 2405 2406 /* enable AMRR timer */ 2407 2408 sc->sc_amrr_timer = 1; 2409 return; 2410} 2411 2412static void 2413rum_cfg_amrr_timeout(struct rum_softc *sc, 2414 struct usb2_config_td_cc *cc, uint16_t refcount) 2415{ 2416 struct ifnet *ifp = sc->sc_ifp; 2417 struct ieee80211vap *vap; 2418 struct ieee80211_node *ni; 2419 uint32_t ok; 2420 uint32_t fail; 2421 2422 /* clear statistic registers (STA_CSR0 to STA_CSR5) */ 2423 rum_cfg_read_multi(sc, RT2573_STA_CSR0, sc->sc_sta, sizeof(sc->sc_sta)); 2424 2425 vap = rum_get_vap(sc); 2426 if (vap == NULL) { 2427 return; 2428 } 2429 ni = vap->iv_bss; 2430 if (ni == NULL) { 2431 return; 2432 } 2433 if ((sc->sc_flags & RUM_FLAG_LL_READY) && 2434 (sc->sc_flags & RUM_FLAG_HL_READY)) { 2435 2436 ok = (le32toh(sc->sc_sta[4]) >> 16) + /* TX ok w/o retry */ 2437 (le32toh(sc->sc_sta[5]) & 0xffff); /* TX ok w/ retry */ 2438 fail = (le32toh(sc->sc_sta[5]) >> 16); /* TX retry-fail count */ 2439 2440 if (sc->sc_amrr_timer) { 2441 ieee80211_amrr_tx_update(&RUM_NODE(vap->iv_bss)->amn, 2442 ok + fail, ok, (le32toh(sc->sc_sta[5]) & 0xffff) + fail); 2443 2444 if (ieee80211_amrr_choose(ni, &RUM_NODE(ni)->amn)) { 2445 /* ignore */ 2446 } 2447 } 2448 ifp->if_oerrors += fail;/* count TX retry-fail as Tx errors */ 2449 } 2450 return; 2451} 2452 2453static void 2454rum_cfg_load_microcode(struct rum_softc *sc, const uint8_t *ucode, uint16_t size) 2455{ 2456 struct usb2_device_request req; 2457 uint16_t reg = RT2573_MCU_CODE_BASE; 2458 2459 /* copy firmware image into NIC */ 2460 while (size >= 4) { 2461 rum_cfg_write(sc, reg, UGETDW(ucode)); 2462 reg += 4; 2463 ucode += 4; 2464 size -= 4; 2465 } 2466 2467 if (size != 0) { 2468 DPRINTF("possibly invalid firmware\n"); 2469 } 2470 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2471 req.bRequest = RT2573_MCU_CNTL; 2472 USETW(req.wValue, RT2573_MCU_RUN); 2473 USETW(req.wIndex, 0); 2474 USETW(req.wLength, 0); 2475 2476 rum_cfg_do_request(sc, &req, NULL); 2477 2478 return; 2479} 2480 2481static void 2482rum_cfg_prepare_beacon(struct rum_softc *sc, 2483 struct usb2_config_td_cc *cc, uint16_t refcount) 2484{ 2485 struct ieee80211_node *ni; 2486 struct ieee80211vap *vap; 2487 struct ieee80211com *ic; 2488 const struct ieee80211_txparam *tp; 2489 struct mbuf *m; 2490 2491 vap = rum_get_vap(sc); 2492 if (vap == NULL) { 2493 return; 2494 } 2495 ni = vap->iv_bss; 2496 if (ni == NULL) { 2497 return; 2498 } 2499 ic = vap->iv_ic; 2500 if (ic == NULL) { 2501 return; 2502 } 2503 DPRINTFN(11, "Sending beacon frame.\n"); 2504 2505 m = ieee80211_beacon_alloc(ni, &RUM_VAP(vap)->bo); 2506 if (m == NULL) { 2507 DPRINTFN(0, "could not allocate beacon\n"); 2508 return; 2509 } 2510 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)]; 2511 2512 m->m_pkthdr.rcvif = (void *)ieee80211_ref_node(ni); 2513 rum_setup_desc_and_tx(sc, m, RT2573_TX_TIMESTAMP, RT2573_TX_HWSEQ | RT2573_TX_BEACON, tp->mgmtrate); 2514 return; 2515} 2516 2517static uint8_t 2518rum_get_rssi(struct rum_softc *sc, uint8_t raw) 2519{ 2520 struct ifnet *ifp = sc->sc_ifp; 2521 struct ieee80211com *ic = ifp->if_l2com; 2522 int16_t rssi; 2523 uint8_t lna; 2524 uint8_t agc; 2525 2526 lna = (raw >> 5) & 0x3; 2527 agc = raw & 0x1f; 2528 2529 if (lna == 0) { 2530 /* 2531 * No RSSI mapping 2532 * 2533 * NB: Since RSSI is relative to noise floor, -1 is 2534 * adequate for caller to know error happened. 2535 */ 2536 return (0); 2537 } 2538 rssi = (2 * agc) - RT2573_NOISE_FLOOR; 2539 2540 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) { 2541 2542 rssi += sc->sc_rssi_2ghz_corr; 2543 2544 if (lna == 1) 2545 rssi -= 64; 2546 else if (lna == 2) 2547 rssi -= 74; 2548 else if (lna == 3) 2549 rssi -= 90; 2550 } else { 2551 2552 rssi += sc->sc_rssi_5ghz_corr; 2553 2554 if ((!sc->sc_ext_5ghz_lna) && (lna != 1)) 2555 rssi += 4; 2556 2557 if (lna == 1) 2558 rssi -= 64; 2559 else if (lna == 2) 2560 rssi -= 86; 2561 else if (lna == 3) 2562 rssi -= 100; 2563 } 2564 2565 /* range check */ 2566 2567 if (rssi < 0) 2568 rssi = 0; 2569 else if (rssi > 255) 2570 rssi = 255; 2571 2572 return (rssi); 2573} 2574 2575static struct ieee80211vap * 2576rum_vap_create(struct ieee80211com *ic, 2577 const char name[IFNAMSIZ], int unit, int opmode, int flags, 2578 const uint8_t bssid[IEEE80211_ADDR_LEN], 2579 const uint8_t mac[IEEE80211_ADDR_LEN]) 2580{ 2581 struct rum_vap *rvp; 2582 struct ieee80211vap *vap; 2583 struct rum_softc *sc = ic->ic_ifp->if_softc; 2584 2585 DPRINTF("\n"); 2586 2587 /* Need to sync with config thread: */ 2588 mtx_lock(&sc->sc_mtx); 2589 if (usb2_config_td_sync(&sc->sc_config_td)) { 2590 mtx_unlock(&sc->sc_mtx); 2591 /* config thread is gone */ 2592 return (NULL); 2593 } 2594 mtx_unlock(&sc->sc_mtx); 2595 2596 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 2597 return NULL; 2598 rvp = (struct rum_vap *)malloc(sizeof(struct rum_vap), 2599 M_80211_VAP, M_NOWAIT | M_ZERO); 2600 if (rvp == NULL) 2601 return NULL; 2602 vap = &rvp->vap; 2603 /* enable s/w bmiss handling for sta mode */ 2604 ieee80211_vap_setup(ic, vap, name, unit, opmode, 2605 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); 2606 2607 /* override state transition machine */ 2608 rvp->newstate = vap->iv_newstate; 2609 vap->iv_newstate = &rum_newstate_cb; 2610 2611 ieee80211_amrr_init(&rvp->amrr, vap, 2612 IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD, 2613 IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD, 2614 1000 /* 1 sec */ ); 2615 2616 /* complete setup */ 2617 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status); 2618 2619 /* store current operation mode */ 2620 ic->ic_opmode = opmode; 2621 2622 return (vap); 2623} 2624 2625static void 2626rum_vap_delete(struct ieee80211vap *vap) 2627{ 2628 struct rum_vap *rvp = RUM_VAP(vap); 2629 struct rum_softc *sc = vap->iv_ic->ic_ifp->if_softc; 2630 2631 DPRINTF("\n"); 2632 2633 /* Need to sync with config thread: */ 2634 mtx_lock(&sc->sc_mtx); 2635 if (usb2_config_td_sync(&sc->sc_config_td)) { 2636 /* ignore */ 2637 } 2638 mtx_unlock(&sc->sc_mtx); 2639 2640 ieee80211_amrr_cleanup(&rvp->amrr); 2641 ieee80211_vap_detach(vap); 2642 free(rvp, M_80211_VAP); 2643 return; 2644} 2645 2646/* ARGUSED */ 2647static struct ieee80211_node * 2648rum_node_alloc(struct ieee80211vap *vap __unused, 2649 const uint8_t mac[IEEE80211_ADDR_LEN] __unused) 2650{ 2651 struct rum_node *rn; 2652 2653 rn = malloc(sizeof(struct rum_node), M_80211_NODE, M_NOWAIT | M_ZERO); 2654 return ((rn != NULL) ? &rn->ni : NULL); 2655} 2656 2657static void 2658rum_newassoc(struct ieee80211_node *ni, int isnew) 2659{ 2660 struct ieee80211vap *vap = ni->ni_vap; 2661 2662 ieee80211_amrr_node_init(&RUM_VAP(vap)->amrr, &RUM_NODE(ni)->amn, ni); 2663 return; 2664} 2665 2666static void 2667rum_fill_write_queue(struct rum_softc *sc) 2668{ 2669 struct ifnet *ifp = sc->sc_ifp; 2670 struct ieee80211_node *ni; 2671 struct mbuf *m; 2672 2673 /* 2674 * We only fill up half of the queue with data frames. The rest is 2675 * reserved for other kinds of frames. 2676 */ 2677 2678 while (sc->sc_tx_queue.ifq_len < (IFQ_MAXLEN / 2)) { 2679 2680 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2681 if (m == NULL) 2682 break; 2683 2684 ni = (void *)(m->m_pkthdr.rcvif); 2685 m = ieee80211_encap(ni, m); 2686 if (m == NULL) { 2687 ieee80211_free_node(ni); 2688 continue; 2689 } 2690 rum_tx_data(sc, m, ni); 2691 } 2692 return; 2693} 2694 2695static void 2696rum_tx_clean_queue(struct rum_softc *sc) 2697{ 2698 struct mbuf *m; 2699 2700 for (;;) { 2701 _IF_DEQUEUE(&sc->sc_tx_queue, m); 2702 2703 if (!m) { 2704 break; 2705 } 2706 rum_tx_freem(m); 2707 } 2708 return; 2709} 2710 2711static void 2712rum_tx_freem(struct mbuf *m) 2713{ 2714 struct ieee80211_node *ni; 2715 2716 while (m) { 2717 ni = (void *)(m->m_pkthdr.rcvif); 2718 if (!ni) { 2719 m = m_free(m); 2720 continue; 2721 } 2722 if (m->m_flags & M_TXCB) { 2723 ieee80211_process_callback(ni, m, 0); 2724 } 2725 m_freem(m); 2726 ieee80211_free_node(ni); 2727 2728 break; 2729 } 2730 return; 2731} 2732 2733static void 2734rum_tx_mgt(struct rum_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2735{ 2736 struct ieee80211vap *vap = ni->ni_vap; 2737 struct ieee80211com *ic = ni->ni_ic; 2738 const struct ieee80211_txparam *tp; 2739 struct ieee80211_frame *wh; 2740 struct ieee80211_key *k; 2741 uint32_t flags; 2742 uint16_t dur; 2743 2744 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 2745 2746 wh = mtod(m, struct ieee80211_frame *); 2747 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2748 k = ieee80211_crypto_encap(ni, m); 2749 if (k == NULL) { 2750 m_freem(m); 2751 ieee80211_free_node(ni); 2752 return; 2753 } 2754 wh = mtod(m, struct ieee80211_frame *); 2755 } 2756 flags = 0; 2757 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2758 flags |= RT2573_TX_NEED_ACK; 2759 2760 dur = ieee80211_ack_duration(sc->sc_rates, tp->mgmtrate, 2761 ic->ic_flags & IEEE80211_F_SHPREAMBLE); 2762 USETW(wh->i_dur, dur); 2763 2764 /* tell hardware to add timestamp for probe responses */ 2765 if ((wh->i_fc[0] & 2766 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2767 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) 2768 flags |= RT2573_TX_TIMESTAMP; 2769 } 2770 m->m_pkthdr.rcvif = (void *)ni; 2771 rum_setup_desc_and_tx(sc, m, flags, 0, tp->mgmtrate); 2772 return; 2773} 2774 2775static struct ieee80211vap * 2776rum_get_vap(struct rum_softc *sc) 2777{ 2778 struct ifnet *ifp; 2779 struct ieee80211com *ic; 2780 2781 if (sc == NULL) { 2782 return NULL; 2783 } 2784 ifp = sc->sc_ifp; 2785 if (ifp == NULL) { 2786 return NULL; 2787 } 2788 ic = ifp->if_l2com; 2789 if (ic == NULL) { 2790 return NULL; 2791 } 2792 return TAILQ_FIRST(&ic->ic_vaps); 2793} 2794 2795static void 2796rum_tx_data(struct rum_softc *sc, struct mbuf *m, 2797 struct ieee80211_node *ni) 2798{ 2799 struct ieee80211vap *vap = ni->ni_vap; 2800 struct ieee80211com *ic = ni->ni_ic; 2801 const struct ieee80211_txparam *tp; 2802 struct ieee80211_frame *wh; 2803 struct ieee80211_key *k; 2804 uint32_t flags = 0; 2805 uint16_t dur; 2806 uint16_t rate; 2807 2808 DPRINTFN(11, "Sending data.\n"); 2809 2810 wh = mtod(m, struct ieee80211_frame *); 2811 2812 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; 2813 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 2814 rate = tp->mcastrate; 2815 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2816 rate = tp->ucastrate; 2817 else 2818 rate = ni->ni_txrate; 2819 2820 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2821 k = ieee80211_crypto_encap(ni, m); 2822 if (k == NULL) { 2823 m_freem(m); 2824 ieee80211_free_node(ni); 2825 return; 2826 } 2827 /* packet header may have moved, reset our local pointer */ 2828 wh = mtod(m, struct ieee80211_frame *); 2829 } 2830 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2831 uint8_t prot = IEEE80211_PROT_NONE; 2832 2833 if (m->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) 2834 prot = IEEE80211_PROT_RTSCTS; 2835 else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2836 ieee80211_rate2phytype(sc->sc_rates, rate) == IEEE80211_T_OFDM) 2837 prot = ic->ic_protmode; 2838 if (prot != IEEE80211_PROT_NONE) { 2839 rum_tx_prot(sc, m, ni, prot, rate); 2840 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS; 2841 } 2842 flags |= RT2573_TX_NEED_ACK; 2843 flags |= RT2573_TX_MORE_FRAG; 2844 2845 dur = ieee80211_ack_duration(sc->sc_rates, rate, 2846 ic->ic_flags & IEEE80211_F_SHPREAMBLE); 2847 USETW(wh->i_dur, dur); 2848 } 2849 m->m_pkthdr.rcvif = (void *)ni; 2850 rum_setup_desc_and_tx(sc, m, flags, 0, rate); 2851 return; 2852} 2853 2854static void 2855rum_tx_prot(struct rum_softc *sc, 2856 const struct mbuf *m, struct ieee80211_node *ni, 2857 uint8_t prot, uint16_t rate) 2858{ 2859 struct ieee80211com *ic = ni->ni_ic; 2860 const struct ieee80211_frame *wh; 2861 struct mbuf *mprot; 2862 uint32_t flags; 2863 uint16_t protrate; 2864 uint16_t ackrate; 2865 uint16_t pktlen; 2866 uint16_t dur; 2867 uint8_t isshort; 2868 2869 KASSERT((prot == IEEE80211_PROT_RTSCTS) || 2870 (prot == IEEE80211_PROT_CTSONLY), 2871 ("protection %u", prot)); 2872 2873 DPRINTFN(11, "Sending protection frame.\n"); 2874 2875 wh = mtod(m, const struct ieee80211_frame *); 2876 pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN; 2877 2878 protrate = ieee80211_ctl_rate(sc->sc_rates, rate); 2879 ackrate = ieee80211_ack_rate(sc->sc_rates, rate); 2880 2881 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0; 2882 dur = ieee80211_compute_duration(sc->sc_rates, pktlen, rate, isshort); 2883 +ieee80211_ack_duration(sc->sc_rates, rate, isshort); 2884 flags = RT2573_TX_MORE_FRAG; 2885 if (prot == IEEE80211_PROT_RTSCTS) { 2886 /* NB: CTS is the same size as an ACK */ 2887 dur += ieee80211_ack_duration(sc->sc_rates, rate, isshort); 2888 flags |= RT2573_TX_NEED_ACK; 2889 mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur); 2890 } else { 2891 mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur); 2892 } 2893 if (mprot == NULL) { 2894 return; 2895 } 2896 mprot->m_pkthdr.rcvif = (void *)ieee80211_ref_node(ni); 2897 rum_setup_desc_and_tx(sc, mprot, flags, 0, protrate); 2898 return; 2899} 2900 2901static void 2902rum_tx_raw(struct rum_softc *sc, struct mbuf *m, struct ieee80211_node *ni, 2903 const struct ieee80211_bpf_params *params) 2904{ 2905 uint32_t flags; 2906 uint16_t rate; 2907 2908 DPRINTFN(11, "Sending raw frame.\n"); 2909 2910 rate = params->ibp_rate0 & IEEE80211_RATE_VAL; 2911 2912 /* XXX validate */ 2913 if (rate == 0) { 2914 m_freem(m); 2915 ieee80211_free_node(ni); 2916 return; 2917 } 2918 flags = 0; 2919 if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2920 flags |= RT2573_TX_NEED_ACK; 2921 if (params->ibp_flags & (IEEE80211_BPF_RTS | IEEE80211_BPF_CTS)) { 2922 rum_tx_prot(sc, m, ni, 2923 params->ibp_flags & IEEE80211_BPF_RTS ? 2924 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY, 2925 rate); 2926 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS; 2927 } 2928 m->m_pkthdr.rcvif = (void *)ni; 2929 rum_setup_desc_and_tx(sc, m, flags, 0, rate); 2930 return; 2931} 2932 2933static int 2934rum_raw_xmit_cb(struct ieee80211_node *ni, struct mbuf *m, 2935 const struct ieee80211_bpf_params *params) 2936{ 2937 struct ieee80211com *ic = ni->ni_ic; 2938 struct ifnet *ifp = ic->ic_ifp; 2939 struct rum_softc *sc = ifp->if_softc; 2940 2941 mtx_lock(&sc->sc_mtx); 2942 if (params == NULL) { 2943 /* 2944 * Legacy path; interpret frame contents to decide 2945 * precisely how to send the frame. 2946 */ 2947 rum_tx_mgt(sc, m, ni); 2948 } else { 2949 /* 2950 * Caller supplied explicit parameters to use in 2951 * sending the frame. 2952 */ 2953 rum_tx_raw(sc, m, ni, params); 2954 } 2955 mtx_unlock(&sc->sc_mtx); 2956 return (0); 2957} 2958 2959static void 2960rum_update_mcast_cb(struct ifnet *ifp) 2961{ 2962 /* not supported */ 2963 return; 2964} 2965 2966static void 2967rum_update_promisc_cb(struct ifnet *ifp) 2968{ 2969 struct rum_softc *sc = ifp->if_softc; 2970 2971 mtx_lock(&sc->sc_mtx); 2972 usb2_config_td_queue_command 2973 (&sc->sc_config_td, &rum_config_copy, 2974 &rum_cfg_update_promisc, 0, 0); 2975 mtx_unlock(&sc->sc_mtx); 2976 return; 2977} 2978