if_rum.c revision 187378
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 187378 2009-01-18 05:35:58Z 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 if (sc == NULL) { 465 return (ENOMEM); 466 } 467 device_set_usb2_desc(dev); 468 469 mtx_init(&sc->sc_mtx, "rum lock", MTX_NETWORK_LOCK, 470 MTX_DEF | MTX_RECURSE); 471 472 snprintf(sc->sc_name, sizeof(sc->sc_name), "%s", 473 device_get_nameunit(dev)); 474 475 sc->sc_udev = uaa->device; 476 sc->sc_unit = device_get_unit(dev); 477 478 usb2_callout_init_mtx(&sc->sc_watchdog, &sc->sc_mtx, 0); 479 480 iface_index = RT2573_IFACE_INDEX; 481 error = usb2_transfer_setup(uaa->device, &iface_index, 482 sc->sc_xfer, rum_config, RUM_N_TRANSFER, sc, &sc->sc_mtx); 483 if (error) { 484 device_printf(dev, "could not allocate USB transfers, " 485 "err=%s\n", usb2_errstr(error)); 486 goto detach; 487 } 488 error = usb2_config_td_setup(&sc->sc_config_td, sc, &sc->sc_mtx, 489 &rum_end_of_commands, 490 sizeof(struct usb2_config_td_cc), 24); 491 if (error) { 492 device_printf(dev, "could not setup config " 493 "thread!\n"); 494 goto detach; 495 } 496 mtx_lock(&sc->sc_mtx); 497 498 /* start setup */ 499 500 usb2_config_td_queue_command 501 (&sc->sc_config_td, NULL, &rum_cfg_first_time_setup, 0, 0); 502 503 rum_watchdog(sc); 504 mtx_unlock(&sc->sc_mtx); 505 return (0); /* success */ 506 507detach: 508 rum_detach(dev); 509 return (ENXIO); /* failure */ 510} 511 512static int 513rum_detach(device_t dev) 514{ 515 struct rum_softc *sc = device_get_softc(dev); 516 struct ieee80211com *ic; 517 struct ifnet *ifp; 518 519 usb2_config_td_drain(&sc->sc_config_td); 520 521 mtx_lock(&sc->sc_mtx); 522 523 usb2_callout_stop(&sc->sc_watchdog); 524 525 rum_cfg_pre_stop(sc, NULL, 0); 526 527 ifp = sc->sc_ifp; 528 ic = ifp->if_l2com; 529 530 mtx_unlock(&sc->sc_mtx); 531 532 /* stop all USB transfers first */ 533 usb2_transfer_unsetup(sc->sc_xfer, RUM_N_TRANSFER); 534 535 /* get rid of any late children */ 536 bus_generic_detach(dev); 537 538 if (ifp) { 539 bpfdetach(ifp); 540 ieee80211_ifdetach(ic); 541 if_free(ifp); 542 } 543 usb2_config_td_unsetup(&sc->sc_config_td); 544 545 usb2_callout_drain(&sc->sc_watchdog); 546 547 mtx_destroy(&sc->sc_mtx); 548 549 return (0); 550} 551 552static void 553rum_cfg_do_request(struct rum_softc *sc, struct usb2_device_request *req, 554 void *data) 555{ 556 uint16_t length; 557 usb2_error_t err; 558 559repeat: 560 561 if (usb2_config_td_is_gone(&sc->sc_config_td)) { 562 goto error; 563 } 564 err = usb2_do_request_flags 565 (sc->sc_udev, &sc->sc_mtx, req, data, 0, NULL, 1000); 566 567 if (err) { 568 569 DPRINTF("device request failed, err=%s " 570 "(ignored)\n", usb2_errstr(err)); 571 572 /* wait a little before next try */ 573 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 4)) { 574 goto error; 575 } 576 /* try until we are detached */ 577 goto repeat; 578 579error: 580 /* the device has been detached */ 581 length = UGETW(req->wLength); 582 583 if ((req->bmRequestType & UT_READ) && length) { 584 bzero(data, length); 585 } 586 } 587} 588 589static void 590rum_cfg_eeprom_read(struct rum_softc *sc, uint16_t addr, void *buf, uint16_t len) 591{ 592 struct usb2_device_request req; 593 594 req.bmRequestType = UT_READ_VENDOR_DEVICE; 595 req.bRequest = RT2573_READ_EEPROM; 596 USETW(req.wValue, 0); 597 USETW(req.wIndex, addr); 598 USETW(req.wLength, len); 599 600 rum_cfg_do_request(sc, &req, buf); 601} 602 603static uint16_t 604rum_cfg_eeprom_read_2(struct rum_softc *sc, uint16_t addr) 605{ 606 uint16_t tmp; 607 608 rum_cfg_eeprom_read(sc, addr, &tmp, sizeof(tmp)); 609 return (le16toh(tmp)); 610} 611 612static uint32_t 613rum_cfg_read(struct rum_softc *sc, uint16_t reg) 614{ 615 uint32_t val; 616 617 rum_cfg_read_multi(sc, reg, &val, sizeof(val)); 618 return (le32toh(val)); 619} 620 621static void 622rum_cfg_read_multi(struct rum_softc *sc, uint16_t reg, void *buf, uint16_t len) 623{ 624 struct usb2_device_request req; 625 626 req.bmRequestType = UT_READ_VENDOR_DEVICE; 627 req.bRequest = RT2573_READ_MULTI_MAC; 628 USETW(req.wValue, 0); 629 USETW(req.wIndex, reg); 630 USETW(req.wLength, len); 631 632 rum_cfg_do_request(sc, &req, buf); 633} 634 635static void 636rum_cfg_write(struct rum_softc *sc, uint16_t reg, uint32_t val) 637{ 638 uint32_t tmp = htole32(val); 639 640 rum_cfg_write_multi(sc, reg, &tmp, sizeof(tmp)); 641} 642 643static void 644rum_cfg_write_multi(struct rum_softc *sc, uint16_t reg, void *buf, uint16_t len) 645{ 646 struct usb2_device_request req; 647 648 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 649 req.bRequest = RT2573_WRITE_MULTI_MAC; 650 USETW(req.wValue, 0); 651 USETW(req.wIndex, reg); 652 USETW(req.wLength, len); 653 654 rum_cfg_do_request(sc, &req, buf); 655} 656 657static uint32_t 658rum_cfg_bbp_disbusy(struct rum_softc *sc) 659{ 660 uint32_t tmp; 661 uint8_t to; 662 663 for (to = 0;; to++) { 664 if (to < 100) { 665 tmp = rum_cfg_read(sc, RT2573_PHY_CSR3); 666 667 if ((tmp & RT2573_BBP_BUSY) == 0) { 668 return (tmp); 669 } 670 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 671 break; 672 } 673 } else { 674 break; 675 } 676 } 677 DPRINTF("could not disbusy BBP\n"); 678 return (RT2573_BBP_BUSY); /* failure */ 679} 680 681static void 682rum_cfg_bbp_write(struct rum_softc *sc, uint8_t reg, uint8_t val) 683{ 684 uint32_t tmp; 685 686 if (rum_cfg_bbp_disbusy(sc) & RT2573_BBP_BUSY) { 687 return; 688 } 689 tmp = RT2573_BBP_BUSY | ((reg & 0x7f) << 8) | val; 690 rum_cfg_write(sc, RT2573_PHY_CSR3, tmp); 691} 692 693static uint8_t 694rum_cfg_bbp_read(struct rum_softc *sc, uint8_t reg) 695{ 696 uint32_t val; 697 698 if (rum_cfg_bbp_disbusy(sc) & RT2573_BBP_BUSY) { 699 return (0); 700 } 701 val = RT2573_BBP_BUSY | RT2573_BBP_READ | (reg << 8); 702 rum_cfg_write(sc, RT2573_PHY_CSR3, val); 703 704 val = rum_cfg_bbp_disbusy(sc); 705 return (val & 0xff); 706} 707 708static void 709rum_cfg_rf_write(struct rum_softc *sc, uint8_t reg, uint32_t val) 710{ 711 uint32_t tmp; 712 uint8_t to; 713 714 reg &= 3; 715 716 for (to = 0;; to++) { 717 if (to < 100) { 718 tmp = rum_cfg_read(sc, RT2573_PHY_CSR4); 719 if (!(tmp & RT2573_RF_BUSY)) { 720 break; 721 } 722 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 723 return; 724 } 725 } else { 726 DPRINTF("could not write to RF\n"); 727 return; 728 } 729 } 730 731 tmp = RT2573_RF_BUSY | RT2573_RF_20BIT | ((val & 0xfffff) << 2) | reg; 732 rum_cfg_write(sc, RT2573_PHY_CSR4, tmp); 733 734 DPRINTFN(16, "RF R[%u] <- 0x%05x\n", reg, val & 0xfffff); 735} 736 737static void 738rum_cfg_first_time_setup(struct rum_softc *sc, 739 struct usb2_config_td_cc *cc, uint16_t refcount) 740{ 741 struct ieee80211com *ic; 742 struct ifnet *ifp; 743 uint32_t tmp; 744 uint16_t i; 745 uint8_t bands; 746 747 /* setup RX tap header */ 748 sc->sc_rxtap_len = sizeof(sc->sc_rxtap); 749 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 750 sc->sc_rxtap.wr_ihdr.it_present = htole32(RT2573_RX_RADIOTAP_PRESENT); 751 752 /* setup TX tap header */ 753 sc->sc_txtap_len = sizeof(sc->sc_txtap); 754 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 755 sc->sc_txtap.wt_ihdr.it_present = htole32(RT2573_TX_RADIOTAP_PRESENT); 756 757 /* retrieve RT2573 rev. no */ 758 for (i = 0; i < 100; i++) { 759 760 tmp = rum_cfg_read(sc, RT2573_MAC_CSR0); 761 if (tmp != 0) { 762 break; 763 } 764 /* wait a little */ 765 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 766 /* device detached */ 767 goto done; 768 } 769 } 770 771 if (tmp == 0) { 772 DPRINTF("chip is maybe not ready\n"); 773 } 774 /* retrieve MAC address and various other things from EEPROM */ 775 rum_cfg_read_eeprom(sc); 776 777 printf("%s: MAC/BBP RT2573 (rev 0x%05x), RF %s\n", 778 sc->sc_name, tmp, rum_get_rf(sc->sc_rf_rev)); 779 780 rum_cfg_load_microcode(sc, rt2573_ucode, sizeof(rt2573_ucode)); 781 782 mtx_unlock(&sc->sc_mtx); 783 784 ifp = if_alloc(IFT_IEEE80211); 785 786 mtx_lock(&sc->sc_mtx); 787 788 if (ifp == NULL) { 789 DPRINTFN(0, "could not if_alloc()!\n"); 790 goto done; 791 } 792 sc->sc_ifp = ifp; 793 ic = ifp->if_l2com; 794 795 ifp->if_softc = sc; 796 if_initname(ifp, "rum", sc->sc_unit); 797 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 798 ifp->if_init = &rum_init_cb; 799 ifp->if_ioctl = &rum_ioctl_cb; 800 ifp->if_start = &rum_start_cb; 801 ifp->if_watchdog = NULL; 802 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 803 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN; 804 IFQ_SET_READY(&ifp->if_snd); 805 806 bcopy(sc->sc_myaddr, ic->ic_myaddr, sizeof(ic->ic_myaddr)); 807 808 ic->ic_ifp = ifp; 809 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 810 ic->ic_opmode = IEEE80211_M_STA; 811 812 /* set device capabilities */ 813 ic->ic_caps = 814 IEEE80211_C_STA /* station mode supported */ 815 | IEEE80211_C_IBSS /* IBSS mode supported */ 816 | IEEE80211_C_MONITOR /* monitor mode supported */ 817 | IEEE80211_C_HOSTAP /* HostAp mode supported */ 818 | IEEE80211_C_TXPMGT /* tx power management */ 819 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 820 | IEEE80211_C_SHSLOT /* short slot time supported */ 821 | IEEE80211_C_BGSCAN /* bg scanning supported */ 822 | IEEE80211_C_WPA /* 802.11i */ 823 ; 824 825 bands = 0; 826 setbit(&bands, IEEE80211_MODE_11B); 827 setbit(&bands, IEEE80211_MODE_11G); 828 ieee80211_init_channels(ic, NULL, &bands); 829 830 if ((sc->sc_rf_rev == RT2573_RF_5225) || 831 (sc->sc_rf_rev == RT2573_RF_5226)) { 832 833 struct ieee80211_channel *c; 834 835 /* set supported .11a channels */ 836 for (i = 34; i <= 46; i += 4) { 837 c = ic->ic_channels + (ic->ic_nchans++); 838 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 839 c->ic_flags = IEEE80211_CHAN_A; 840 c->ic_ieee = i; 841 } 842 for (i = 36; i <= 64; i += 4) { 843 c = ic->ic_channels + (ic->ic_nchans++); 844 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 845 c->ic_flags = IEEE80211_CHAN_A; 846 c->ic_ieee = i; 847 } 848 for (i = 100; i <= 140; i += 4) { 849 c = ic->ic_channels + (ic->ic_nchans++); 850 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 851 c->ic_flags = IEEE80211_CHAN_A; 852 c->ic_ieee = i; 853 } 854 for (i = 149; i <= 165; i += 4) { 855 c = ic->ic_channels + (ic->ic_nchans++); 856 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 857 c->ic_flags = IEEE80211_CHAN_A; 858 c->ic_ieee = i; 859 } 860 } 861 mtx_unlock(&sc->sc_mtx); 862 863 ieee80211_ifattach(ic); 864 865 mtx_lock(&sc->sc_mtx); 866 867 ic->ic_newassoc = &rum_newassoc; 868 ic->ic_raw_xmit = &rum_raw_xmit_cb; 869 ic->ic_node_alloc = &rum_node_alloc; 870 ic->ic_update_mcast = &rum_update_mcast_cb; 871 ic->ic_update_promisc = &rum_update_promisc_cb; 872 ic->ic_scan_start = &rum_scan_start_cb; 873 ic->ic_scan_end = &rum_scan_end_cb; 874 ic->ic_set_channel = &rum_set_channel_cb; 875 ic->ic_vap_create = &rum_vap_create; 876 ic->ic_vap_delete = &rum_vap_delete; 877 878 sc->sc_rates = ieee80211_get_ratetable(ic->ic_curchan); 879 880 mtx_unlock(&sc->sc_mtx); 881 882 bpfattach(ifp, DLT_IEEE802_11_RADIO, 883 sizeof(struct ieee80211_frame) + sizeof(sc->sc_txtap)); 884 885 if (bootverbose) { 886 ieee80211_announce(ic); 887 } 888 mtx_lock(&sc->sc_mtx); 889done: 890 return; 891} 892 893static void 894rum_end_of_commands(struct rum_softc *sc) 895{ 896 sc->sc_flags &= ~RUM_FLAG_WAIT_COMMAND; 897 898 /* start write transfer, if not started */ 899 usb2_transfer_start(sc->sc_xfer[RUM_BULK_DT_WR]); 900} 901 902static void 903rum_config_copy_chan(struct rum_config_copy_chan *cc, 904 struct ieee80211com *ic, struct ieee80211_channel *c) 905{ 906 if (!c) 907 return; 908 cc->chan_to_ieee = 909 ieee80211_chan2ieee(ic, c); 910 if (c != IEEE80211_CHAN_ANYC) { 911 cc->chan_to_mode = 912 ieee80211_chan2mode(c); 913 if (IEEE80211_IS_CHAN_B(c)) 914 cc->chan_is_b = 1; 915 if (IEEE80211_IS_CHAN_A(c)) 916 cc->chan_is_a = 1; 917 if (IEEE80211_IS_CHAN_2GHZ(c)) 918 cc->chan_is_2ghz = 1; 919 if (IEEE80211_IS_CHAN_5GHZ(c)) 920 cc->chan_is_5ghz = 1; 921 if (IEEE80211_IS_CHAN_ANYG(c)) 922 cc->chan_is_g = 1; 923 } 924} 925 926static void 927rum_config_copy(struct rum_softc *sc, 928 struct usb2_config_td_cc *cc, uint16_t refcount) 929{ 930 struct ifnet *ifp; 931 struct ieee80211com *ic; 932 struct ieee80211_node *ni; 933 struct ieee80211vap *vap; 934 const struct ieee80211_txparam *tp; 935 936 bzero(cc, sizeof(*cc)); 937 938 ifp = sc->sc_ifp; 939 if (ifp) { 940 cc->if_flags = ifp->if_flags; 941 bcopy(ifp->if_broadcastaddr, cc->if_broadcastaddr, 942 sizeof(cc->if_broadcastaddr)); 943 944 ic = ifp->if_l2com; 945 if (ic) { 946 rum_config_copy_chan(&cc->ic_curchan, ic, ic->ic_curchan); 947 rum_config_copy_chan(&cc->ic_bsschan, ic, ic->ic_bsschan); 948 vap = TAILQ_FIRST(&ic->ic_vaps); 949 if (vap) { 950 ni = vap->iv_bss; 951 if (ni) { 952 cc->iv_bss.ni_intval = ni->ni_intval; 953 bcopy(ni->ni_bssid, cc->iv_bss.ni_bssid, 954 sizeof(cc->iv_bss.ni_bssid)); 955 } 956 tp = vap->iv_txparms + cc->ic_bsschan.chan_to_mode; 957 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) { 958 cc->iv_bss.fixed_rate_none = 1; 959 } 960 } 961 cc->ic_opmode = ic->ic_opmode; 962 cc->ic_flags = ic->ic_flags; 963 cc->ic_txpowlimit = ic->ic_txpowlimit; 964 cc->ic_curmode = ic->ic_curmode; 965 966 bcopy(ic->ic_myaddr, cc->ic_myaddr, 967 sizeof(cc->ic_myaddr)); 968 } 969 } 970 sc->sc_flags |= RUM_FLAG_WAIT_COMMAND; 971} 972 973static const char * 974rum_get_rf(uint32_t rev) 975{ 976 ; /* indent fix */ 977 switch (rev) { 978 case RT2573_RF_2527: 979 return "RT2527 (MIMO XR)"; 980 case RT2573_RF_2528: 981 return "RT2528"; 982 case RT2573_RF_5225: 983 return "RT5225 (MIMO XR)"; 984 case RT2573_RF_5226: 985 return "RT5226"; 986 default: 987 return "unknown"; 988 } 989} 990 991static void 992rum_bulk_read_callback(struct usb2_xfer *xfer) 993{ 994 struct rum_softc *sc = xfer->priv_sc; 995 struct ifnet *ifp = sc->sc_ifp; 996 struct ieee80211com *ic = ifp->if_l2com; 997 struct ieee80211_node *ni; 998 999 struct mbuf *m = NULL; 1000 uint32_t flags; 1001 uint32_t max_len; 1002 uint8_t rssi = 0; 1003 1004 switch (USB_GET_STATE(xfer)) { 1005 case USB_ST_TRANSFERRED: 1006 1007 DPRINTFN(15, "rx done, actlen=%d\n", xfer->actlen); 1008 1009 if (xfer->actlen < (RT2573_RX_DESC_SIZE + IEEE80211_MIN_LEN)) { 1010 DPRINTF("too short transfer, " 1011 "%d bytes\n", xfer->actlen); 1012 ifp->if_ierrors++; 1013 goto tr_setup; 1014 } 1015 usb2_copy_out(xfer->frbuffers, 0, 1016 &sc->sc_rx_desc, RT2573_RX_DESC_SIZE); 1017 1018 flags = le32toh(sc->sc_rx_desc.flags); 1019 1020 if (flags & RT2573_RX_CRC_ERROR) { 1021 /* 1022 * This should not happen since we did not 1023 * request to receive those frames when we 1024 * filled RAL_TXRX_CSR2: 1025 */ 1026 DPRINTFN(6, "PHY or CRC error\n"); 1027 ifp->if_ierrors++; 1028 goto tr_setup; 1029 } 1030 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1031 1032 if (m == NULL) { 1033 DPRINTF("could not allocate mbuf\n"); 1034 ifp->if_ierrors++; 1035 goto tr_setup; 1036 } 1037 max_len = (xfer->actlen - RT2573_RX_DESC_SIZE); 1038 1039 usb2_copy_out(xfer->frbuffers, RT2573_RX_DESC_SIZE, 1040 m->m_data, max_len); 1041 1042 /* finalize mbuf */ 1043 m->m_pkthdr.rcvif = ifp; 1044 m->m_pkthdr.len = m->m_len = (flags >> 16) & 0xfff; 1045 1046 if (m->m_len > max_len) { 1047 DPRINTF("invalid length in RX " 1048 "descriptor, %u bytes, received %u bytes\n", 1049 m->m_len, max_len); 1050 ifp->if_ierrors++; 1051 m_freem(m); 1052 m = NULL; 1053 goto tr_setup; 1054 } 1055 rssi = rum_get_rssi(sc, sc->sc_rx_desc.rssi); 1056 1057 DPRINTF("real length=%d bytes, rssi=%d\n", m->m_len, rssi); 1058 1059 if (bpf_peers_present(ifp->if_bpf)) { 1060 struct rum_rx_radiotap_header *tap = &sc->sc_rxtap; 1061 1062 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1063 tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate, 1064 (sc->sc_rx_desc.flags & htole32(RT2573_RX_OFDM)) ? 1065 IEEE80211_T_OFDM : IEEE80211_T_CCK); 1066 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1067 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1068 tap->wr_antenna = sc->sc_rx_ant; 1069 tap->wr_antsignal = rssi; 1070 1071 bpf_mtap2(ifp->if_bpf, tap, sc->sc_rxtap_len, m); 1072 } 1073 case USB_ST_SETUP: 1074tr_setup: 1075 1076 if (sc->sc_flags & RUM_FLAG_READ_STALL) { 1077 usb2_transfer_start(sc->sc_xfer[RUM_BULK_CS_RD]); 1078 } else { 1079 xfer->frlengths[0] = xfer->max_data_length; 1080 usb2_start_hardware(xfer); 1081 } 1082 1083 /* 1084 * At the end of a USB callback it is always safe to unlock 1085 * the private mutex of a device! That is why we do the 1086 * "ieee80211_input" here, and not some lines up! 1087 */ 1088 if (m) { 1089 mtx_unlock(&sc->sc_mtx); 1090 1091 ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *)); 1092 if (ni != NULL) { 1093 if (ieee80211_input(ni, m, rssi, RT2573_NOISE_FLOOR, 0)) { 1094 /* ignore */ 1095 } 1096 /* node is no longer needed */ 1097 ieee80211_free_node(ni); 1098 } else { 1099 if (ieee80211_input_all(ic, m, rssi, RT2573_NOISE_FLOOR, 0)) { 1100 /* ignore */ 1101 } 1102 } 1103 1104 mtx_lock(&sc->sc_mtx); 1105 } 1106 return; 1107 1108 default: /* Error */ 1109 if (xfer->error != USB_ERR_CANCELLED) { 1110 /* try to clear stall first */ 1111 sc->sc_flags |= RUM_FLAG_READ_STALL; 1112 usb2_transfer_start(sc->sc_xfer[RUM_BULK_CS_RD]); 1113 } 1114 return; 1115 1116 } 1117} 1118 1119static void 1120rum_bulk_read_clear_stall_callback(struct usb2_xfer *xfer) 1121{ 1122 struct rum_softc *sc = xfer->priv_sc; 1123 struct usb2_xfer *xfer_other = sc->sc_xfer[RUM_BULK_DT_RD]; 1124 1125 if (usb2_clear_stall_callback(xfer, xfer_other)) { 1126 DPRINTF("stall cleared\n"); 1127 sc->sc_flags &= ~RUM_FLAG_READ_STALL; 1128 usb2_transfer_start(xfer_other); 1129 } 1130} 1131 1132static uint8_t 1133rum_plcp_signal(uint16_t rate) 1134{ 1135 ; /* indent fix */ 1136 switch (rate) { 1137 /* CCK rates (NB: not IEEE std, device-specific) */ 1138 case 2: 1139 return (0x0); 1140 case 4: 1141 return (0x1); 1142 case 11: 1143 return (0x2); 1144 case 22: 1145 return (0x3); 1146 1147 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1148 case 12: 1149 return (0xb); 1150 case 18: 1151 return (0xf); 1152 case 24: 1153 return (0xa); 1154 case 36: 1155 return (0xe); 1156 case 48: 1157 return (0x9); 1158 case 72: 1159 return (0xd); 1160 case 96: 1161 return (0x8); 1162 case 108: 1163 return (0xc); 1164 1165 /* XXX unsupported/unknown rate */ 1166 default: 1167 return (0xff); 1168 } 1169} 1170 1171/* 1172 * We assume that "m->m_pkthdr.rcvif" is pointing to the "ni" that 1173 * should be freed, when "rum_setup_desc_and_tx" is called. 1174 */ 1175 1176static void 1177rum_setup_desc_and_tx(struct rum_softc *sc, struct mbuf *m, uint32_t flags, 1178 uint16_t xflags, uint16_t rate) 1179{ 1180 struct ifnet *ifp = sc->sc_ifp; 1181 struct ieee80211com *ic = ifp->if_l2com; 1182 struct mbuf *mm; 1183 enum ieee80211_phytype phytype; 1184 uint16_t plcp_length; 1185 uint16_t len; 1186 uint8_t remainder; 1187 uint8_t is_beacon; 1188 1189 if (xflags & RT2573_TX_BEACON) { 1190 xflags &= ~RT2573_TX_BEACON; 1191 is_beacon = 1; 1192 } else { 1193 is_beacon = 0; 1194 } 1195 1196 if (sc->sc_tx_queue.ifq_len >= IFQ_MAXLEN) { 1197 /* free packet */ 1198 rum_tx_freem(m); 1199 ifp->if_oerrors++; 1200 return; 1201 } 1202 if (!((sc->sc_flags & RUM_FLAG_LL_READY) && 1203 (sc->sc_flags & RUM_FLAG_HL_READY))) { 1204 /* free packet */ 1205 rum_tx_freem(m); 1206 ifp->if_oerrors++; 1207 return; 1208 } 1209 if (rate < 2) { 1210 DPRINTF("rate < 2!\n"); 1211 1212 /* avoid division by zero */ 1213 rate = 2; 1214 } 1215 ic->ic_lastdata = ticks; 1216 if (bpf_peers_present(ifp->if_bpf)) { 1217 struct rum_tx_radiotap_header *tap = &sc->sc_txtap; 1218 1219 tap->wt_flags = 0; 1220 tap->wt_rate = rate; 1221 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 1222 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 1223 tap->wt_antenna = sc->sc_tx_ant; 1224 1225 bpf_mtap2(ifp->if_bpf, tap, sc->sc_txtap_len, m); 1226 } 1227 len = m->m_pkthdr.len; 1228 1229 flags |= RT2573_TX_VALID; 1230 flags |= (len << 16); 1231 1232 sc->sc_tx_desc.flags = htole32(flags); 1233 sc->sc_tx_desc.xflags = htole16(xflags); 1234 1235 sc->sc_tx_desc.wme = htole16(RT2573_QID(0) | RT2573_AIFSN(2) | 1236 RT2573_LOGCWMIN(4) | RT2573_LOGCWMAX(10)); 1237 1238 /* setup PLCP fields */ 1239 sc->sc_tx_desc.plcp_signal = rum_plcp_signal(rate); 1240 sc->sc_tx_desc.plcp_service = 4; 1241 1242 len += IEEE80211_CRC_LEN; 1243 1244 phytype = ieee80211_rate2phytype(sc->sc_rates, rate); 1245 1246 if (phytype == IEEE80211_T_OFDM) { 1247 sc->sc_tx_desc.flags |= htole32(RT2573_TX_OFDM); 1248 1249 plcp_length = (len & 0xfff); 1250 sc->sc_tx_desc.plcp_length_hi = plcp_length >> 6; 1251 sc->sc_tx_desc.plcp_length_lo = plcp_length & 0x3f; 1252 } else { 1253 plcp_length = ((16 * len) + rate - 1) / rate; 1254 if (rate == 22) { 1255 remainder = (16 * len) % 22; 1256 if ((remainder != 0) && (remainder < 7)) { 1257 sc->sc_tx_desc.plcp_service |= 1258 RT2573_PLCP_LENGEXT; 1259 } 1260 } 1261 sc->sc_tx_desc.plcp_length_hi = plcp_length >> 8; 1262 sc->sc_tx_desc.plcp_length_lo = plcp_length & 0xff; 1263 1264 if ((rate != 2) && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) { 1265 sc->sc_tx_desc.plcp_signal |= 0x08; 1266 } 1267 } 1268 1269 if (sizeof(sc->sc_tx_desc) > MHLEN) { 1270 DPRINTF("No room for header structure!\n"); 1271 rum_tx_freem(m); 1272 return; 1273 } 1274 mm = m_gethdr(M_NOWAIT, MT_DATA); 1275 if (mm == NULL) { 1276 DPRINTF("Could not allocate header mbuf!\n"); 1277 rum_tx_freem(m); 1278 return; 1279 } 1280 bcopy(&sc->sc_tx_desc, mm->m_data, sizeof(sc->sc_tx_desc)); 1281 mm->m_len = sizeof(sc->sc_tx_desc); 1282 mm->m_next = m; 1283 mm->m_pkthdr.len = mm->m_len + m->m_pkthdr.len; 1284 mm->m_pkthdr.rcvif = NULL; 1285 1286 if (is_beacon) { 1287 1288 if (mm->m_pkthdr.len > sizeof(sc->sc_beacon_buf)) { 1289 DPRINTFN(0, "Truncating beacon" 1290 ", %u bytes!\n", mm->m_pkthdr.len); 1291 mm->m_pkthdr.len = sizeof(sc->sc_beacon_buf); 1292 } 1293 m_copydata(mm, 0, mm->m_pkthdr.len, sc->sc_beacon_buf); 1294 1295 /* copy the first 24 bytes of Tx descriptor into NIC memory */ 1296 rum_cfg_write_multi(sc, RT2573_HW_BEACON_BASE0, 1297 sc->sc_beacon_buf, mm->m_pkthdr.len); 1298 rum_tx_freem(mm); 1299 return; 1300 } 1301 /* start write transfer, if not started */ 1302 _IF_ENQUEUE(&sc->sc_tx_queue, mm); 1303 1304 usb2_transfer_start(sc->sc_xfer[RUM_BULK_DT_WR]); 1305} 1306 1307static void 1308rum_bulk_write_callback(struct usb2_xfer *xfer) 1309{ 1310 struct rum_softc *sc = xfer->priv_sc; 1311 struct ifnet *ifp = sc->sc_ifp; 1312 struct mbuf *m; 1313 uint16_t temp_len; 1314 uint8_t align; 1315 1316 switch (USB_GET_STATE(xfer)) { 1317 case USB_ST_TRANSFERRED: 1318 DPRINTFN(11, "transfer complete\n"); 1319 1320 ifp->if_opackets++; 1321 1322 case USB_ST_SETUP: 1323 if (sc->sc_flags & RUM_FLAG_WRITE_STALL) { 1324 usb2_transfer_start(sc->sc_xfer[RUM_BULK_CS_WR]); 1325 break; 1326 } 1327 if (sc->sc_flags & RUM_FLAG_WAIT_COMMAND) { 1328 /* 1329 * don't send anything while a command is pending ! 1330 */ 1331 break; 1332 } 1333 rum_fill_write_queue(sc); 1334 1335 _IF_DEQUEUE(&sc->sc_tx_queue, m); 1336 1337 if (m) { 1338 1339 if (m->m_pkthdr.len > (MCLBYTES + RT2573_TX_DESC_SIZE)) { 1340 DPRINTFN(0, "data overflow, %u bytes\n", 1341 m->m_pkthdr.len); 1342 m->m_pkthdr.len = (MCLBYTES + RT2573_TX_DESC_SIZE); 1343 } 1344 usb2_m_copy_in(xfer->frbuffers, 0, 1345 m, 0, m->m_pkthdr.len); 1346 1347 /* compute transfer length */ 1348 temp_len = m->m_pkthdr.len; 1349 1350 /* make transfer length 32-bit aligned */ 1351 align = (-(temp_len)) & 3; 1352 1353 /* check if we need to add four extra bytes */ 1354 if (((temp_len + align) % 64) == 0) { 1355 align += 4; 1356 } 1357 /* check if we need to align length */ 1358 if (align != 0) { 1359 /* zero the extra bytes */ 1360 usb2_bzero(xfer->frbuffers, temp_len, align); 1361 temp_len += align; 1362 } 1363 DPRINTFN(11, "sending frame len=%u ferlen=%u\n", 1364 m->m_pkthdr.len, temp_len); 1365 1366 xfer->frlengths[0] = temp_len; 1367 usb2_start_hardware(xfer); 1368 1369 /* free mbuf and node */ 1370 rum_tx_freem(m); 1371 1372 } 1373 break; 1374 1375 default: /* Error */ 1376 DPRINTFN(11, "transfer error, %s\n", 1377 usb2_errstr(xfer->error)); 1378 1379 if (xfer->error != USB_ERR_CANCELLED) { 1380 /* try to clear stall first */ 1381 sc->sc_flags |= RUM_FLAG_WRITE_STALL; 1382 usb2_transfer_start(sc->sc_xfer[RUM_BULK_CS_WR]); 1383 } 1384 ifp->if_oerrors++; 1385 break; 1386 } 1387} 1388 1389static void 1390rum_bulk_write_clear_stall_callback(struct usb2_xfer *xfer) 1391{ 1392 struct rum_softc *sc = xfer->priv_sc; 1393 struct usb2_xfer *xfer_other = sc->sc_xfer[RUM_BULK_DT_WR]; 1394 1395 if (usb2_clear_stall_callback(xfer, xfer_other)) { 1396 DPRINTF("stall cleared\n"); 1397 sc->sc_flags &= ~RUM_FLAG_WRITE_STALL; 1398 usb2_transfer_start(xfer_other); 1399 } 1400} 1401 1402static void 1403rum_watchdog(void *arg) 1404{ 1405 struct rum_softc *sc = arg; 1406 1407 mtx_assert(&sc->sc_mtx, MA_OWNED); 1408 1409 if (sc->sc_amrr_timer) { 1410 usb2_config_td_queue_command 1411 (&sc->sc_config_td, NULL, 1412 &rum_cfg_amrr_timeout, 0, 0); 1413 } 1414 usb2_callout_reset(&sc->sc_watchdog, 1415 hz, &rum_watchdog, sc); 1416} 1417 1418static void 1419rum_init_cb(void *arg) 1420{ 1421 struct rum_softc *sc = arg; 1422 1423 mtx_lock(&sc->sc_mtx); 1424 usb2_config_td_queue_command 1425 (&sc->sc_config_td, &rum_cfg_pre_init, 1426 &rum_cfg_init, 0, 0); 1427 mtx_unlock(&sc->sc_mtx); 1428} 1429 1430static int 1431rum_ioctl_cb(struct ifnet *ifp, u_long cmd, caddr_t data) 1432{ 1433 struct rum_softc *sc = ifp->if_softc; 1434 struct ieee80211com *ic = ifp->if_l2com; 1435 int error; 1436 1437 switch (cmd) { 1438 case SIOCSIFFLAGS: 1439 mtx_lock(&sc->sc_mtx); 1440 if (ifp->if_flags & IFF_UP) { 1441 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1442 usb2_config_td_queue_command 1443 (&sc->sc_config_td, &rum_cfg_pre_init, 1444 &rum_cfg_init, 0, 0); 1445 } 1446 } else { 1447 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1448 usb2_config_td_queue_command 1449 (&sc->sc_config_td, &rum_cfg_pre_stop, 1450 &rum_cfg_stop, 0, 0); 1451 } 1452 } 1453 mtx_unlock(&sc->sc_mtx); 1454 error = 0; 1455 break; 1456 1457 case SIOCGIFMEDIA: 1458 case SIOCSIFMEDIA: 1459 error = ifmedia_ioctl(ifp, (void *)data, &ic->ic_media, cmd); 1460 break; 1461 1462 default: 1463 error = ether_ioctl(ifp, cmd, data); 1464 } 1465 return (error); 1466} 1467 1468static void 1469rum_start_cb(struct ifnet *ifp) 1470{ 1471 struct rum_softc *sc = ifp->if_softc; 1472 1473 mtx_lock(&sc->sc_mtx); 1474 /* start write transfer, if not started */ 1475 usb2_transfer_start(sc->sc_xfer[RUM_BULK_DT_WR]); 1476 mtx_unlock(&sc->sc_mtx); 1477} 1478 1479static void 1480rum_cfg_newstate(struct rum_softc *sc, 1481 struct usb2_config_td_cc *cc, uint16_t refcount) 1482{ 1483 struct ifnet *ifp = sc->sc_ifp; 1484 struct ieee80211com *ic = ifp->if_l2com; 1485 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1486 struct rum_vap *uvp = RUM_VAP(vap); 1487 enum ieee80211_state ostate; 1488 enum ieee80211_state nstate; 1489 int arg; 1490 1491 ostate = vap->iv_state; 1492 nstate = sc->sc_ns_state; 1493 arg = sc->sc_ns_arg; 1494 1495 if (ostate == IEEE80211_S_INIT) { 1496 /* We are leaving INIT. TSF sync should be off. */ 1497 rum_cfg_disable_tsf_sync(sc); 1498 } 1499 switch (nstate) { 1500 case IEEE80211_S_INIT: 1501 break; 1502 1503 case IEEE80211_S_RUN: 1504 rum_cfg_set_run(sc, cc); 1505 break; 1506 1507 default: 1508 break; 1509 } 1510 1511 mtx_unlock(&sc->sc_mtx); 1512 IEEE80211_LOCK(ic); 1513 uvp->newstate(vap, nstate, arg); 1514 if (vap->iv_newstate_cb != NULL) 1515 vap->iv_newstate_cb(vap, nstate, arg); 1516 IEEE80211_UNLOCK(ic); 1517 mtx_lock(&sc->sc_mtx); 1518} 1519 1520static int 1521rum_newstate_cb(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1522{ 1523 struct rum_vap *uvp = RUM_VAP(vap); 1524 struct ieee80211com *ic = vap->iv_ic; 1525 struct rum_softc *sc = ic->ic_ifp->if_softc; 1526 1527 DPRINTF("setting new state: %d\n", nstate); 1528 1529 /* Special case - cannot defer this call and cannot block ! */ 1530 if (nstate == IEEE80211_S_INIT) { 1531 /* stop timers */ 1532 mtx_lock(&sc->sc_mtx); 1533 sc->sc_amrr_timer = 0; 1534 mtx_unlock(&sc->sc_mtx); 1535 return (uvp->newstate(vap, nstate, arg)); 1536 } 1537 mtx_lock(&sc->sc_mtx); 1538 if (usb2_config_td_is_gone(&sc->sc_config_td)) { 1539 mtx_unlock(&sc->sc_mtx); 1540 return (0); /* nothing to do */ 1541 } 1542 /* store next state */ 1543 sc->sc_ns_state = nstate; 1544 sc->sc_ns_arg = arg; 1545 1546 /* stop timers */ 1547 sc->sc_amrr_timer = 0; 1548 1549 /* 1550 * USB configuration can only be done from the USB configuration 1551 * thread: 1552 */ 1553 usb2_config_td_queue_command 1554 (&sc->sc_config_td, &rum_config_copy, 1555 &rum_cfg_newstate, 0, 0); 1556 1557 mtx_unlock(&sc->sc_mtx); 1558 1559 return (EINPROGRESS); 1560} 1561 1562static void 1563rum_std_command(struct ieee80211com *ic, usb2_config_td_command_t *func) 1564{ 1565 struct rum_softc *sc = ic->ic_ifp->if_softc; 1566 1567 mtx_lock(&sc->sc_mtx); 1568 1569 sc->sc_rates = ieee80211_get_ratetable(ic->ic_curchan); 1570 1571 usb2_config_td_queue_command 1572 (&sc->sc_config_td, &rum_config_copy, func, 0, 0); 1573 1574 mtx_unlock(&sc->sc_mtx); 1575} 1576 1577static void 1578rum_scan_start_cb(struct ieee80211com *ic) 1579{ 1580 rum_std_command(ic, &rum_cfg_scan_start); 1581} 1582 1583static void 1584rum_scan_end_cb(struct ieee80211com *ic) 1585{ 1586 rum_std_command(ic, &rum_cfg_scan_end); 1587} 1588 1589static void 1590rum_set_channel_cb(struct ieee80211com *ic) 1591{ 1592 rum_std_command(ic, &rum_cfg_set_chan); 1593} 1594 1595static void 1596rum_cfg_scan_start(struct rum_softc *sc, 1597 struct usb2_config_td_cc *cc, uint16_t refcount) 1598{ 1599 /* abort TSF synchronization */ 1600 rum_cfg_disable_tsf_sync(sc); 1601 rum_cfg_set_bssid(sc, cc->if_broadcastaddr); 1602} 1603 1604static void 1605rum_cfg_scan_end(struct rum_softc *sc, 1606 struct usb2_config_td_cc *cc, uint16_t refcount) 1607{ 1608 /* enable TSF synchronization */ 1609 rum_cfg_enable_tsf_sync(sc, cc, 0); 1610 rum_cfg_set_bssid(sc, cc->iv_bss.ni_bssid); 1611} 1612 1613/* 1614 * Reprogram MAC/BBP to switch to a new band. Values taken from the reference 1615 * driver. 1616 */ 1617static void 1618rum_cfg_select_band(struct rum_softc *sc, 1619 struct usb2_config_td_cc *cc, uint16_t refcount) 1620{ 1621 uint32_t tmp; 1622 uint8_t bbp17, bbp35, bbp96, bbp97, bbp98, bbp104; 1623 1624 /* update all BBP registers that depend on the band */ 1625 bbp17 = 0x20; 1626 bbp96 = 0x48; 1627 bbp104 = 0x2c; 1628 bbp35 = 0x50; 1629 bbp97 = 0x48; 1630 bbp98 = 0x48; 1631 1632 if (cc->ic_curchan.chan_is_5ghz) { 1633 bbp17 += 0x08; 1634 bbp96 += 0x10; 1635 bbp104 += 0x0c; 1636 bbp35 += 0x10; 1637 bbp97 += 0x10; 1638 bbp98 += 0x10; 1639 } 1640 if ((cc->ic_curchan.chan_is_2ghz && sc->sc_ext_2ghz_lna) || 1641 (cc->ic_curchan.chan_is_5ghz && sc->sc_ext_5ghz_lna)) { 1642 bbp17 += 0x10; 1643 bbp96 += 0x10; 1644 bbp104 += 0x10; 1645 } 1646 sc->sc_bbp17 = bbp17; 1647 rum_cfg_bbp_write(sc, 17, bbp17); 1648 rum_cfg_bbp_write(sc, 96, bbp96); 1649 rum_cfg_bbp_write(sc, 104, bbp104); 1650 1651 if ((cc->ic_curchan.chan_is_2ghz && sc->sc_ext_2ghz_lna) || 1652 (cc->ic_curchan.chan_is_5ghz && sc->sc_ext_5ghz_lna)) { 1653 rum_cfg_bbp_write(sc, 75, 0x80); 1654 rum_cfg_bbp_write(sc, 86, 0x80); 1655 rum_cfg_bbp_write(sc, 88, 0x80); 1656 } 1657 rum_cfg_bbp_write(sc, 35, bbp35); 1658 rum_cfg_bbp_write(sc, 97, bbp97); 1659 rum_cfg_bbp_write(sc, 98, bbp98); 1660 1661 tmp = rum_cfg_read(sc, RT2573_PHY_CSR0); 1662 tmp &= ~(RT2573_PA_PE_2GHZ | RT2573_PA_PE_5GHZ); 1663 if (cc->ic_curchan.chan_is_2ghz) 1664 tmp |= RT2573_PA_PE_2GHZ; 1665 else 1666 tmp |= RT2573_PA_PE_5GHZ; 1667 rum_cfg_write(sc, RT2573_PHY_CSR0, tmp); 1668 1669 /* 802.11a uses a 16 microseconds short interframe space */ 1670 sc->sc_sifs = cc->ic_curchan.chan_is_5ghz ? 16 : 10; 1671} 1672 1673static void 1674rum_cfg_set_chan(struct rum_softc *sc, 1675 struct usb2_config_td_cc *cc, uint16_t refcount) 1676{ 1677 enum { 1678 N_RF5225 = (sizeof(rum_rf5225) / sizeof(rum_rf5225[0]))}; 1679 const struct rfprog *rfprog; 1680 uint32_t chan; 1681 uint16_t i; 1682 uint8_t bbp3; 1683 uint8_t bbp94 = RT2573_BBPR94_DEFAULT; 1684 int8_t power; 1685 1686 chan = cc->ic_curchan.chan_to_ieee; 1687 1688 if ((chan == 0) || 1689 (chan == IEEE80211_CHAN_ANY)) { 1690 /* nothing to do */ 1691 return; 1692 } 1693 if (chan == sc->sc_last_chan) { 1694 return; 1695 } 1696 sc->sc_last_chan = chan; 1697 1698 /* select the appropriate RF settings based on what EEPROM says */ 1699 rfprog = ((sc->sc_rf_rev == RT2573_RF_5225) || 1700 (sc->sc_rf_rev == RT2573_RF_2527)) ? rum_rf5225 : rum_rf5226; 1701 1702 /* find the settings for this channel */ 1703 for (i = 0;; i++) { 1704 if (i == (N_RF5225 - 1)) 1705 break; 1706 if (rfprog[i].chan == chan) 1707 break; 1708 } 1709 1710 DPRINTF("chan=%d, i=%d\n", chan, i); 1711 1712 power = sc->sc_txpow[i]; 1713 if (power < 0) { 1714 bbp94 += power; 1715 power = 0; 1716 } else if (power > 31) { 1717 bbp94 += power - 31; 1718 power = 31; 1719 } 1720 /* 1721 * If we are switching from the 2GHz band to the 5GHz band or 1722 * vice-versa, BBP registers need to be reprogrammed. 1723 */ 1724 rum_cfg_select_band(sc, cc, 0); 1725 rum_cfg_select_antenna(sc, cc, 0); 1726 1727 rum_cfg_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1728 rum_cfg_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1729 rum_cfg_rf_write(sc, RT2573_RF3, rfprog[i].r3 | (power << 7)); 1730 rum_cfg_rf_write(sc, RT2573_RF4, rfprog[i].r4 | (sc->sc_rffreq << 10)); 1731 1732 rum_cfg_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1733 rum_cfg_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1734 rum_cfg_rf_write(sc, RT2573_RF3, rfprog[i].r3 | (power << 7) | 1); 1735 rum_cfg_rf_write(sc, RT2573_RF4, rfprog[i].r4 | (sc->sc_rffreq << 10)); 1736 1737 rum_cfg_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1738 rum_cfg_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1739 rum_cfg_rf_write(sc, RT2573_RF3, rfprog[i].r3 | (power << 7)); 1740 rum_cfg_rf_write(sc, RT2573_RF4, rfprog[i].r4 | (sc->sc_rffreq << 10)); 1741 1742 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 1743 return; 1744 } 1745 /* enable smart mode for MIMO-capable RFs */ 1746 bbp3 = rum_cfg_bbp_read(sc, 3); 1747 1748 if ((sc->sc_rf_rev == RT2573_RF_5225) || 1749 (sc->sc_rf_rev == RT2573_RF_2527)) 1750 bbp3 &= ~RT2573_SMART_MODE; 1751 else 1752 bbp3 |= RT2573_SMART_MODE; 1753 1754 rum_cfg_bbp_write(sc, 3, bbp3); 1755 1756 rum_cfg_bbp_write(sc, 94, bbp94); 1757 1758 /* update basic rate set */ 1759 1760 if (cc->ic_curchan.chan_is_b) { 1761 /* 11b basic rates: 1, 2Mbps */ 1762 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x3); 1763 } else if (cc->ic_curchan.chan_is_a) { 1764 /* 11a basic rates: 6, 12, 24Mbps */ 1765 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x150); 1766 } else { 1767 /* 11b/g basic rates: 1, 2, 5.5, 11Mbps */ 1768 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0xf); 1769 } 1770 1771 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 1772 return; 1773 } 1774} 1775 1776static void 1777rum_cfg_set_run(struct rum_softc *sc, 1778 struct usb2_config_td_cc *cc) 1779{ 1780 1781 if (cc->ic_opmode != IEEE80211_M_MONITOR) { 1782 rum_cfg_update_slot(sc, cc, 0); 1783 rum_cfg_enable_mrr(sc, cc, 0); 1784 rum_cfg_set_txpreamble(sc, cc, 0); 1785 1786 /* update basic rate set */ 1787 1788 if (cc->ic_bsschan.chan_is_5ghz) { 1789 /* 11a basic rates: 6, 12, 24Mbps */ 1790 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x150); 1791 } else if (cc->ic_bsschan.chan_is_g) { 1792 /* 11b/g basic rates: 1, 2, 5.5, 11Mbps */ 1793 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0xf); 1794 } else { 1795 /* 11b basic rates: 1, 2Mbps */ 1796 rum_cfg_write(sc, RT2573_TXRX_CSR5, 0x3); 1797 } 1798 rum_cfg_set_bssid(sc, cc->iv_bss.ni_bssid); 1799 } 1800 if ((cc->ic_opmode == IEEE80211_M_HOSTAP) || 1801 (cc->ic_opmode == IEEE80211_M_IBSS)) { 1802 rum_cfg_prepare_beacon(sc, cc, 0); 1803 } 1804 if (cc->ic_opmode != IEEE80211_M_MONITOR) { 1805 rum_cfg_enable_tsf_sync(sc, cc, 0); 1806 } 1807 if (cc->iv_bss.fixed_rate_none) { 1808 /* enable automatic rate adaptation */ 1809 rum_cfg_amrr_start(sc); 1810 } 1811} 1812 1813static void 1814rum_cfg_enable_tsf_sync(struct rum_softc *sc, 1815 struct usb2_config_td_cc *cc, uint16_t refcount) 1816{ 1817 uint32_t tmp; 1818 1819 if (cc->ic_opmode != IEEE80211_M_STA) { 1820 /* 1821 * Change default 16ms TBTT adjustment to 8ms. 1822 * Must be done before enabling beacon generation. 1823 */ 1824 rum_cfg_write(sc, RT2573_TXRX_CSR10, (1 << 12) | 8); 1825 } 1826 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR9) & 0xff000000; 1827 1828 /* set beacon interval (in 1/16ms unit) */ 1829 tmp |= cc->iv_bss.ni_intval * 16; 1830 1831 tmp |= RT2573_TSF_TICKING | RT2573_ENABLE_TBTT; 1832 if (cc->ic_opmode == IEEE80211_M_STA) 1833 tmp |= RT2573_TSF_MODE(1); 1834 else 1835 tmp |= RT2573_TSF_MODE(2) | RT2573_GENERATE_BEACON; 1836 1837 rum_cfg_write(sc, RT2573_TXRX_CSR9, tmp); 1838} 1839 1840static void 1841rum_cfg_disable_tsf_sync(struct rum_softc *sc) 1842{ 1843 uint32_t tmp; 1844 1845 /* abort TSF synchronization */ 1846 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR9); 1847 rum_cfg_write(sc, RT2573_TXRX_CSR9, tmp & ~0x00ffffff); 1848} 1849 1850/* 1851 * Enable multi-rate retries for frames sent at OFDM rates. 1852 * In 802.11b/g mode, allow fallback to CCK rates. 1853 */ 1854static void 1855rum_cfg_enable_mrr(struct rum_softc *sc, 1856 struct usb2_config_td_cc *cc, uint16_t refcount) 1857{ 1858 uint32_t tmp; 1859 1860 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR4); 1861 1862 if (cc->ic_curchan.chan_is_5ghz) 1863 tmp &= ~RT2573_MRR_CCK_FALLBACK; 1864 else 1865 tmp |= RT2573_MRR_CCK_FALLBACK; 1866 1867 tmp |= RT2573_MRR_ENABLED; 1868 1869 rum_cfg_write(sc, RT2573_TXRX_CSR4, tmp); 1870} 1871 1872static void 1873rum_cfg_update_slot(struct rum_softc *sc, 1874 struct usb2_config_td_cc *cc, uint16_t refcount) 1875{ 1876 uint32_t tmp; 1877 uint8_t slottime; 1878 1879 slottime = (cc->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20; 1880 1881 tmp = rum_cfg_read(sc, RT2573_MAC_CSR9); 1882 tmp = (tmp & ~0xff) | slottime; 1883 rum_cfg_write(sc, RT2573_MAC_CSR9, tmp); 1884 1885 DPRINTF("setting slot time to %u us\n", slottime); 1886} 1887 1888static void 1889rum_cfg_set_txpreamble(struct rum_softc *sc, 1890 struct usb2_config_td_cc *cc, uint16_t refcount) 1891{ 1892 uint32_t tmp; 1893 1894 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR4); 1895 1896 if (cc->ic_flags & IEEE80211_F_SHPREAMBLE) 1897 tmp |= RT2573_SHORT_PREAMBLE; 1898 else 1899 tmp &= ~RT2573_SHORT_PREAMBLE; 1900 1901 rum_cfg_write(sc, RT2573_TXRX_CSR4, tmp); 1902} 1903 1904static void 1905rum_cfg_set_bssid(struct rum_softc *sc, uint8_t *bssid) 1906{ 1907 uint32_t tmp; 1908 1909 tmp = bssid[0] | (bssid[1] << 8) | (bssid[2] << 16) | (bssid[3] << 24); 1910 rum_cfg_write(sc, RT2573_MAC_CSR4, tmp); 1911 1912 tmp = (bssid[4]) | (bssid[5] << 8) | (RT2573_ONE_BSSID << 16); 1913 rum_cfg_write(sc, RT2573_MAC_CSR5, tmp); 1914} 1915 1916static void 1917rum_cfg_set_macaddr(struct rum_softc *sc, uint8_t *addr) 1918{ 1919 uint32_t tmp; 1920 1921 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24); 1922 rum_cfg_write(sc, RT2573_MAC_CSR2, tmp); 1923 1924 tmp = addr[4] | (addr[5] << 8) | (0xff << 16); 1925 rum_cfg_write(sc, RT2573_MAC_CSR3, tmp); 1926} 1927 1928static void 1929rum_cfg_update_promisc(struct rum_softc *sc, 1930 struct usb2_config_td_cc *cc, uint16_t refcount) 1931{ 1932 uint32_t tmp; 1933 1934 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0); 1935 1936 if (cc->if_flags & IFF_PROMISC) 1937 tmp &= ~RT2573_DROP_NOT_TO_ME; 1938 else 1939 tmp |= RT2573_DROP_NOT_TO_ME; 1940 1941 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp); 1942 1943 DPRINTF("%s promiscuous mode\n", 1944 (cc->if_flags & IFF_PROMISC) ? 1945 "entering" : "leaving"); 1946} 1947 1948static void 1949rum_cfg_select_antenna(struct rum_softc *sc, 1950 struct usb2_config_td_cc *cc, uint16_t refcount) 1951{ 1952 uint32_t tmp; 1953 uint8_t bbp3; 1954 uint8_t bbp4; 1955 uint8_t bbp77; 1956 uint8_t rx_ant; 1957 uint8_t is_5ghz; 1958 1959 bbp3 = rum_cfg_bbp_read(sc, 3); 1960 bbp4 = rum_cfg_bbp_read(sc, 4); 1961 bbp77 = rum_cfg_bbp_read(sc, 77); 1962 1963 bbp3 &= ~0x01; 1964 bbp4 &= ~0x23; 1965 1966 rx_ant = sc->sc_rx_ant; 1967 is_5ghz = cc->ic_curchan.chan_is_5ghz; 1968 1969 switch (sc->sc_rf_rev) { 1970 case RT2573_RF_5226: 1971 case RT2573_RF_5225: 1972 if (rx_ant == 0) { 1973 /* Diversity */ 1974 bbp4 |= 0x02; 1975 if (is_5ghz == 0) 1976 bbp4 |= 0x20; 1977 } else if (rx_ant == 1) { 1978 /* RX: Antenna A */ 1979 bbp4 |= 0x01; 1980 if (is_5ghz) 1981 bbp77 &= ~0x03; 1982 else 1983 bbp77 |= 0x03; 1984 } else if (rx_ant == 2) { 1985 /* RX: Antenna B */ 1986 bbp4 |= 0x01; 1987 if (is_5ghz) 1988 bbp77 |= 0x03; 1989 else 1990 bbp77 &= ~0x03; 1991 } 1992 break; 1993 1994 case RT2573_RF_2528: 1995 case RT2573_RF_2527: 1996 if (rx_ant == 0) { 1997 /* Diversity */ 1998 bbp4 |= 0x22; 1999 } else if (rx_ant == 1) { 2000 /* RX: Antenna A */ 2001 bbp4 |= 0x21; 2002 bbp77 |= 0x03; 2003 } else if (rx_ant == 2) { 2004 /* RX: Antenna B */ 2005 bbp4 |= 0x21; 2006 bbp77 &= ~0x03; 2007 } 2008 break; 2009 default: 2010 break; 2011 } 2012 bbp4 &= ~(sc->sc_ftype << 5); 2013 2014 /* make sure Rx is disabled before switching antenna */ 2015 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0); 2016 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX); 2017 2018 rum_cfg_bbp_write(sc, 3, bbp3); 2019 rum_cfg_bbp_write(sc, 4, bbp4); 2020 rum_cfg_bbp_write(sc, 77, bbp77); 2021 2022 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp); 2023} 2024 2025static void 2026rum_cfg_read_eeprom(struct rum_softc *sc) 2027{ 2028 uint16_t val; 2029 2030 /* read MAC address */ 2031 rum_cfg_eeprom_read(sc, RT2573_EEPROM_ADDRESS, sc->sc_myaddr, 6); 2032 2033 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_ANTENNA); 2034 sc->sc_rf_rev = (val >> 11) & 0x1f; 2035 sc->sc_hw_radio = (val >> 10) & 0x1; 2036 sc->sc_ftype = (val >> 6) & 0x1; 2037 sc->sc_rx_ant = (val >> 4) & 0x3; 2038 sc->sc_tx_ant = (val >> 2) & 0x3; 2039 sc->sc_nb_ant = (val & 0x3); 2040 2041 DPRINTF("RF revision=%d\n", sc->sc_rf_rev); 2042 2043 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_CONFIG2); 2044 sc->sc_ext_5ghz_lna = (val >> 6) & 0x1; 2045 sc->sc_ext_2ghz_lna = (val >> 4) & 0x1; 2046 2047 DPRINTF("External 2GHz LNA=%d, External 5GHz LNA=%d\n", 2048 sc->sc_ext_2ghz_lna, sc->sc_ext_5ghz_lna); 2049 2050 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_RSSI_2GHZ_OFFSET); 2051 if ((val & 0xff) != 0xff) 2052 sc->sc_rssi_2ghz_corr = (int8_t)(val & 0xff); /* signed */ 2053 else 2054 sc->sc_rssi_2ghz_corr = 0; 2055 2056 /* range check */ 2057 if ((sc->sc_rssi_2ghz_corr < -10) || 2058 (sc->sc_rssi_2ghz_corr > 10)) { 2059 sc->sc_rssi_2ghz_corr = 0; 2060 } 2061 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_RSSI_5GHZ_OFFSET); 2062 if ((val & 0xff) != 0xff) 2063 sc->sc_rssi_5ghz_corr = (int8_t)(val & 0xff); /* signed */ 2064 else 2065 sc->sc_rssi_5ghz_corr = 0; 2066 2067 /* range check */ 2068 if ((sc->sc_rssi_5ghz_corr < -10) || 2069 (sc->sc_rssi_5ghz_corr > 10)) { 2070 sc->sc_rssi_5ghz_corr = 0; 2071 } 2072 if (sc->sc_ext_2ghz_lna) { 2073 sc->sc_rssi_2ghz_corr -= 14; 2074 } 2075 if (sc->sc_ext_5ghz_lna) { 2076 sc->sc_rssi_5ghz_corr -= 14; 2077 } 2078 DPRINTF("RSSI 2GHz corr=%d, RSSI 5GHz corr=%d\n", 2079 sc->sc_rssi_2ghz_corr, sc->sc_rssi_5ghz_corr); 2080 2081 val = rum_cfg_eeprom_read_2(sc, RT2573_EEPROM_FREQ_OFFSET); 2082 if ((val & 0xff) != 0xff) 2083 sc->sc_rffreq = (val & 0xff); 2084 else 2085 sc->sc_rffreq = 0; 2086 2087 DPRINTF("RF freq=%d\n", sc->sc_rffreq); 2088 2089 /* read Tx power for all a/b/g channels */ 2090 rum_cfg_eeprom_read(sc, RT2573_EEPROM_TXPOWER, sc->sc_txpow, 14); 2091 2092 /* XXX default Tx power for 802.11a channels */ 2093 memset(sc->sc_txpow + 14, 24, sizeof(sc->sc_txpow) - 14); 2094 2095 /* read default values for BBP registers */ 2096 rum_cfg_eeprom_read(sc, RT2573_EEPROM_BBP_BASE, sc->sc_bbp_prom, 2 * 16); 2097} 2098 2099static uint8_t 2100rum_cfg_bbp_init(struct rum_softc *sc) 2101{ 2102 enum { 2103 N_DEF_BBP = (sizeof(rum_def_bbp) / sizeof(rum_def_bbp[0])), 2104 }; 2105 uint16_t i; 2106 uint8_t to; 2107 uint8_t tmp; 2108 2109 /* wait for BBP to become ready */ 2110 for (to = 0;; to++) { 2111 if (to < 100) { 2112 tmp = rum_cfg_bbp_read(sc, 0); 2113 if ((tmp != 0x00) && 2114 (tmp != 0xff)) { 2115 break; 2116 } 2117 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 2118 return (1); /* failure */ 2119 } 2120 } else { 2121 DPRINTF("timeout waiting for BBP\n"); 2122 return (1); /* failure */ 2123 } 2124 } 2125 2126 /* initialize BBP registers to default values */ 2127 for (i = 0; i < N_DEF_BBP; i++) { 2128 rum_cfg_bbp_write(sc, rum_def_bbp[i].reg, rum_def_bbp[i].val); 2129 } 2130 2131 /* write vendor-specific BBP values (from EEPROM) */ 2132 for (i = 0; i < 16; i++) { 2133 if ((sc->sc_bbp_prom[i].reg == 0) || 2134 (sc->sc_bbp_prom[i].reg == 0xff)) { 2135 continue; 2136 } 2137 rum_cfg_bbp_write(sc, sc->sc_bbp_prom[i].reg, sc->sc_bbp_prom[i].val); 2138 } 2139 return (0); 2140} 2141 2142static void 2143rum_cfg_pre_init(struct rum_softc *sc, 2144 struct usb2_config_td_cc *cc, uint16_t refcount) 2145{ 2146 struct ifnet *ifp = sc->sc_ifp; 2147 struct ieee80211com *ic = ifp->if_l2com; 2148 2149 /* immediate configuration */ 2150 2151 rum_cfg_pre_stop(sc, cc, 0); 2152 2153 ifp->if_drv_flags |= IFF_DRV_RUNNING; 2154 2155 sc->sc_flags |= RUM_FLAG_HL_READY; 2156 2157 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp)); 2158} 2159 2160static void 2161rum_cfg_init(struct rum_softc *sc, 2162 struct usb2_config_td_cc *cc, uint16_t refcount) 2163{ 2164 enum { 2165 N_DEF_MAC = (sizeof(rum_def_mac) / sizeof(rum_def_mac[0])), 2166 }; 2167 2168 uint32_t tmp; 2169 uint16_t i; 2170 uint8_t to; 2171 2172 /* delayed configuration */ 2173 2174 rum_cfg_stop(sc, cc, 0); 2175 2176 /* initialize MAC registers to default values */ 2177 for (i = 0; i < N_DEF_MAC; i++) { 2178 rum_cfg_write(sc, rum_def_mac[i].reg, rum_def_mac[i].val); 2179 } 2180 2181 /* set host ready */ 2182 rum_cfg_write(sc, RT2573_MAC_CSR1, 3); 2183 rum_cfg_write(sc, RT2573_MAC_CSR1, 0); 2184 2185 /* wait for BBP/RF to wakeup */ 2186 for (to = 0;; to++) { 2187 if (to < 100) { 2188 if (rum_cfg_read(sc, RT2573_MAC_CSR12) & 8) { 2189 break; 2190 } 2191 rum_cfg_write(sc, RT2573_MAC_CSR12, 4); /* force wakeup */ 2192 2193 if (usb2_config_td_sleep(&sc->sc_config_td, hz / 100)) { 2194 goto fail; 2195 } 2196 } else { 2197 DPRINTF("timeout waiting for " 2198 "BBP/RF to wakeup\n"); 2199 goto fail; 2200 } 2201 } 2202 2203 if (rum_cfg_bbp_init(sc)) { 2204 goto fail; 2205 } 2206 /* select default channel */ 2207 2208 sc->sc_last_chan = 0; 2209 2210 rum_cfg_set_chan(sc, cc, 0); 2211 2212 /* clear STA registers */ 2213 rum_cfg_read_multi(sc, RT2573_STA_CSR0, sc->sc_sta, sizeof(sc->sc_sta)); 2214 /* set MAC address */ 2215 rum_cfg_set_macaddr(sc, cc->ic_myaddr); 2216 2217 /* initialize ASIC */ 2218 rum_cfg_write(sc, RT2573_MAC_CSR1, 4); 2219 2220 /* 2221 * make sure that the first transaction 2222 * clears the stall: 2223 */ 2224 sc->sc_flags |= (RUM_FLAG_READ_STALL | 2225 RUM_FLAG_WRITE_STALL | 2226 RUM_FLAG_LL_READY); 2227 2228 if ((sc->sc_flags & RUM_FLAG_LL_READY) && 2229 (sc->sc_flags & RUM_FLAG_HL_READY)) { 2230 struct ifnet *ifp = sc->sc_ifp; 2231 struct ieee80211com *ic = ifp->if_l2com; 2232 2233 /* 2234 * start the USB transfers, if not already started: 2235 */ 2236 usb2_transfer_start(sc->sc_xfer[RUM_BULK_DT_RD]); 2237 usb2_transfer_start(sc->sc_xfer[RUM_BULK_DT_WR]); 2238 2239 /* 2240 * start IEEE802.11 layer 2241 */ 2242 mtx_unlock(&sc->sc_mtx); 2243 ieee80211_start_all(ic); 2244 mtx_lock(&sc->sc_mtx); 2245 } 2246 /* update Rx filter */ 2247 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0) & 0xffff; 2248 2249 tmp |= RT2573_DROP_PHY_ERROR | RT2573_DROP_CRC_ERROR; 2250 2251 if (cc->ic_opmode != IEEE80211_M_MONITOR) { 2252 tmp |= RT2573_DROP_CTL | RT2573_DROP_VER_ERROR | 2253 RT2573_DROP_ACKCTS; 2254 if (cc->ic_opmode != IEEE80211_M_HOSTAP) { 2255 tmp |= RT2573_DROP_TODS; 2256 } 2257 if (!(cc->if_flags & IFF_PROMISC)) { 2258 tmp |= RT2573_DROP_NOT_TO_ME; 2259 } 2260 } 2261 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp); 2262 2263 return; 2264 2265fail: 2266 rum_cfg_pre_stop(sc, NULL, 0); 2267 2268 if (cc) { 2269 rum_cfg_stop(sc, cc, 0); 2270 } 2271} 2272 2273static void 2274rum_cfg_pre_stop(struct rum_softc *sc, 2275 struct usb2_config_td_cc *cc, uint16_t refcount) 2276{ 2277 struct ifnet *ifp = sc->sc_ifp; 2278 2279 if (cc) { 2280 /* copy the needed configuration */ 2281 rum_config_copy(sc, cc, refcount); 2282 } 2283 /* immediate configuration */ 2284 2285 if (ifp) { 2286 /* clear flags */ 2287 ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 2288 } 2289 sc->sc_flags &= ~(RUM_FLAG_HL_READY | 2290 RUM_FLAG_LL_READY); 2291 2292 /* 2293 * stop all the transfers, if not already stopped: 2294 */ 2295 usb2_transfer_stop(sc->sc_xfer[RUM_BULK_DT_WR]); 2296 usb2_transfer_stop(sc->sc_xfer[RUM_BULK_DT_RD]); 2297 usb2_transfer_stop(sc->sc_xfer[RUM_BULK_CS_WR]); 2298 usb2_transfer_stop(sc->sc_xfer[RUM_BULK_CS_RD]); 2299 2300 /* clean up transmission */ 2301 rum_tx_clean_queue(sc); 2302} 2303 2304static void 2305rum_cfg_stop(struct rum_softc *sc, 2306 struct usb2_config_td_cc *cc, uint16_t refcount) 2307{ 2308 uint32_t tmp; 2309 2310 /* disable Rx */ 2311 tmp = rum_cfg_read(sc, RT2573_TXRX_CSR0); 2312 rum_cfg_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX); 2313 2314 /* reset ASIC */ 2315 rum_cfg_write(sc, RT2573_MAC_CSR1, 3); 2316 2317 /* wait a little */ 2318 usb2_config_td_sleep(&sc->sc_config_td, hz / 10); 2319 2320 rum_cfg_write(sc, RT2573_MAC_CSR1, 0); 2321 2322 /* wait a little */ 2323 usb2_config_td_sleep(&sc->sc_config_td, hz / 10); 2324} 2325 2326static void 2327rum_cfg_amrr_start(struct rum_softc *sc) 2328{ 2329 struct ieee80211vap *vap; 2330 struct ieee80211_node *ni; 2331 2332 vap = rum_get_vap(sc); 2333 2334 if (vap == NULL) { 2335 return; 2336 } 2337 ni = vap->iv_bss; 2338 if (ni == NULL) { 2339 return; 2340 } 2341 /* init AMRR */ 2342 2343 ieee80211_amrr_node_init(&RUM_VAP(vap)->amrr, &RUM_NODE(ni)->amn, ni); 2344 2345 /* enable AMRR timer */ 2346 2347 sc->sc_amrr_timer = 1; 2348} 2349 2350static void 2351rum_cfg_amrr_timeout(struct rum_softc *sc, 2352 struct usb2_config_td_cc *cc, uint16_t refcount) 2353{ 2354 struct ifnet *ifp = sc->sc_ifp; 2355 struct ieee80211vap *vap; 2356 struct ieee80211_node *ni; 2357 uint32_t ok; 2358 uint32_t fail; 2359 2360 /* clear statistic registers (STA_CSR0 to STA_CSR5) */ 2361 rum_cfg_read_multi(sc, RT2573_STA_CSR0, sc->sc_sta, sizeof(sc->sc_sta)); 2362 2363 vap = rum_get_vap(sc); 2364 if (vap == NULL) { 2365 return; 2366 } 2367 ni = vap->iv_bss; 2368 if (ni == NULL) { 2369 return; 2370 } 2371 if ((sc->sc_flags & RUM_FLAG_LL_READY) && 2372 (sc->sc_flags & RUM_FLAG_HL_READY)) { 2373 2374 ok = (le32toh(sc->sc_sta[4]) >> 16) + /* TX ok w/o retry */ 2375 (le32toh(sc->sc_sta[5]) & 0xffff); /* TX ok w/ retry */ 2376 fail = (le32toh(sc->sc_sta[5]) >> 16); /* TX retry-fail count */ 2377 2378 if (sc->sc_amrr_timer) { 2379 ieee80211_amrr_tx_update(&RUM_NODE(vap->iv_bss)->amn, 2380 ok + fail, ok, (le32toh(sc->sc_sta[5]) & 0xffff) + fail); 2381 2382 if (ieee80211_amrr_choose(ni, &RUM_NODE(ni)->amn)) { 2383 /* ignore */ 2384 } 2385 } 2386 ifp->if_oerrors += fail;/* count TX retry-fail as Tx errors */ 2387 } 2388} 2389 2390static void 2391rum_cfg_load_microcode(struct rum_softc *sc, const uint8_t *ucode, uint16_t size) 2392{ 2393 struct usb2_device_request req; 2394 uint16_t reg = RT2573_MCU_CODE_BASE; 2395 2396 /* copy firmware image into NIC */ 2397 while (size >= 4) { 2398 rum_cfg_write(sc, reg, UGETDW(ucode)); 2399 reg += 4; 2400 ucode += 4; 2401 size -= 4; 2402 } 2403 2404 if (size != 0) { 2405 DPRINTF("possibly invalid firmware\n"); 2406 } 2407 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2408 req.bRequest = RT2573_MCU_CNTL; 2409 USETW(req.wValue, RT2573_MCU_RUN); 2410 USETW(req.wIndex, 0); 2411 USETW(req.wLength, 0); 2412 2413 rum_cfg_do_request(sc, &req, NULL); 2414} 2415 2416static void 2417rum_cfg_prepare_beacon(struct rum_softc *sc, 2418 struct usb2_config_td_cc *cc, uint16_t refcount) 2419{ 2420 struct ieee80211_node *ni; 2421 struct ieee80211vap *vap; 2422 struct ieee80211com *ic; 2423 const struct ieee80211_txparam *tp; 2424 struct mbuf *m; 2425 2426 vap = rum_get_vap(sc); 2427 if (vap == NULL) { 2428 return; 2429 } 2430 ni = vap->iv_bss; 2431 if (ni == NULL) { 2432 return; 2433 } 2434 ic = vap->iv_ic; 2435 if (ic == NULL) { 2436 return; 2437 } 2438 DPRINTFN(11, "Sending beacon frame.\n"); 2439 2440 m = ieee80211_beacon_alloc(ni, &RUM_VAP(vap)->bo); 2441 if (m == NULL) { 2442 DPRINTFN(0, "could not allocate beacon\n"); 2443 return; 2444 } 2445 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)]; 2446 2447 m->m_pkthdr.rcvif = (void *)ieee80211_ref_node(ni); 2448 rum_setup_desc_and_tx(sc, m, RT2573_TX_TIMESTAMP, RT2573_TX_HWSEQ | RT2573_TX_BEACON, tp->mgmtrate); 2449} 2450 2451static uint8_t 2452rum_get_rssi(struct rum_softc *sc, uint8_t raw) 2453{ 2454 struct ifnet *ifp = sc->sc_ifp; 2455 struct ieee80211com *ic = ifp->if_l2com; 2456 int16_t rssi; 2457 uint8_t lna; 2458 uint8_t agc; 2459 2460 lna = (raw >> 5) & 0x3; 2461 agc = raw & 0x1f; 2462 2463 if (lna == 0) { 2464 /* 2465 * No RSSI mapping 2466 * 2467 * NB: Since RSSI is relative to noise floor, -1 is 2468 * adequate for caller to know error happened. 2469 */ 2470 return (0); 2471 } 2472 rssi = (2 * agc) - RT2573_NOISE_FLOOR; 2473 2474 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) { 2475 2476 rssi += sc->sc_rssi_2ghz_corr; 2477 2478 if (lna == 1) 2479 rssi -= 64; 2480 else if (lna == 2) 2481 rssi -= 74; 2482 else if (lna == 3) 2483 rssi -= 90; 2484 } else { 2485 2486 rssi += sc->sc_rssi_5ghz_corr; 2487 2488 if ((!sc->sc_ext_5ghz_lna) && (lna != 1)) 2489 rssi += 4; 2490 2491 if (lna == 1) 2492 rssi -= 64; 2493 else if (lna == 2) 2494 rssi -= 86; 2495 else if (lna == 3) 2496 rssi -= 100; 2497 } 2498 2499 /* range check */ 2500 2501 if (rssi < 0) 2502 rssi = 0; 2503 else if (rssi > 255) 2504 rssi = 255; 2505 2506 return (rssi); 2507} 2508 2509static struct ieee80211vap * 2510rum_vap_create(struct ieee80211com *ic, 2511 const char name[IFNAMSIZ], int unit, int opmode, int flags, 2512 const uint8_t bssid[IEEE80211_ADDR_LEN], 2513 const uint8_t mac[IEEE80211_ADDR_LEN]) 2514{ 2515 struct rum_vap *rvp; 2516 struct ieee80211vap *vap; 2517 struct rum_softc *sc = ic->ic_ifp->if_softc; 2518 2519 DPRINTF("\n"); 2520 2521 /* Need to sync with config thread: */ 2522 mtx_lock(&sc->sc_mtx); 2523 if (usb2_config_td_sync(&sc->sc_config_td)) { 2524 mtx_unlock(&sc->sc_mtx); 2525 /* config thread is gone */ 2526 return (NULL); 2527 } 2528 mtx_unlock(&sc->sc_mtx); 2529 2530 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 2531 return NULL; 2532 rvp = (struct rum_vap *)malloc(sizeof(struct rum_vap), 2533 M_80211_VAP, M_NOWAIT | M_ZERO); 2534 if (rvp == NULL) 2535 return NULL; 2536 vap = &rvp->vap; 2537 /* enable s/w bmiss handling for sta mode */ 2538 ieee80211_vap_setup(ic, vap, name, unit, opmode, 2539 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); 2540 2541 /* override state transition machine */ 2542 rvp->newstate = vap->iv_newstate; 2543 vap->iv_newstate = &rum_newstate_cb; 2544 2545 ieee80211_amrr_init(&rvp->amrr, vap, 2546 IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD, 2547 IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD, 2548 1000 /* 1 sec */ ); 2549 2550 /* complete setup */ 2551 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status); 2552 2553 /* store current operation mode */ 2554 ic->ic_opmode = opmode; 2555 2556 return (vap); 2557} 2558 2559static void 2560rum_vap_delete(struct ieee80211vap *vap) 2561{ 2562 struct rum_vap *rvp = RUM_VAP(vap); 2563 struct rum_softc *sc = vap->iv_ic->ic_ifp->if_softc; 2564 2565 DPRINTF("\n"); 2566 2567 /* Need to sync with config thread: */ 2568 mtx_lock(&sc->sc_mtx); 2569 if (usb2_config_td_sync(&sc->sc_config_td)) { 2570 /* ignore */ 2571 } 2572 mtx_unlock(&sc->sc_mtx); 2573 2574 ieee80211_amrr_cleanup(&rvp->amrr); 2575 ieee80211_vap_detach(vap); 2576 free(rvp, M_80211_VAP); 2577} 2578 2579/* ARGUSED */ 2580static struct ieee80211_node * 2581rum_node_alloc(struct ieee80211vap *vap __unused, 2582 const uint8_t mac[IEEE80211_ADDR_LEN] __unused) 2583{ 2584 struct rum_node *rn; 2585 2586 rn = malloc(sizeof(struct rum_node), M_80211_NODE, M_NOWAIT | M_ZERO); 2587 return ((rn != NULL) ? &rn->ni : NULL); 2588} 2589 2590static void 2591rum_newassoc(struct ieee80211_node *ni, int isnew) 2592{ 2593 struct ieee80211vap *vap = ni->ni_vap; 2594 2595 ieee80211_amrr_node_init(&RUM_VAP(vap)->amrr, &RUM_NODE(ni)->amn, ni); 2596} 2597 2598static void 2599rum_fill_write_queue(struct rum_softc *sc) 2600{ 2601 struct ifnet *ifp = sc->sc_ifp; 2602 struct ieee80211_node *ni; 2603 struct mbuf *m; 2604 2605 /* 2606 * We only fill up half of the queue with data frames. The rest is 2607 * reserved for other kinds of frames. 2608 */ 2609 2610 while (sc->sc_tx_queue.ifq_len < (IFQ_MAXLEN / 2)) { 2611 2612 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2613 if (m == NULL) 2614 break; 2615 2616 ni = (void *)(m->m_pkthdr.rcvif); 2617 m = ieee80211_encap(ni, m); 2618 if (m == NULL) { 2619 ieee80211_free_node(ni); 2620 continue; 2621 } 2622 rum_tx_data(sc, m, ni); 2623 } 2624} 2625 2626static void 2627rum_tx_clean_queue(struct rum_softc *sc) 2628{ 2629 struct mbuf *m; 2630 2631 for (;;) { 2632 _IF_DEQUEUE(&sc->sc_tx_queue, m); 2633 2634 if (!m) { 2635 break; 2636 } 2637 rum_tx_freem(m); 2638 } 2639} 2640 2641static void 2642rum_tx_freem(struct mbuf *m) 2643{ 2644 struct ieee80211_node *ni; 2645 2646 while (m) { 2647 ni = (void *)(m->m_pkthdr.rcvif); 2648 if (!ni) { 2649 m = m_free(m); 2650 continue; 2651 } 2652 if (m->m_flags & M_TXCB) { 2653 ieee80211_process_callback(ni, m, 0); 2654 } 2655 m_freem(m); 2656 ieee80211_free_node(ni); 2657 2658 break; 2659 } 2660} 2661 2662static void 2663rum_tx_mgt(struct rum_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2664{ 2665 struct ieee80211vap *vap = ni->ni_vap; 2666 struct ieee80211com *ic = ni->ni_ic; 2667 const struct ieee80211_txparam *tp; 2668 struct ieee80211_frame *wh; 2669 struct ieee80211_key *k; 2670 uint32_t flags; 2671 uint16_t dur; 2672 2673 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 2674 2675 wh = mtod(m, struct ieee80211_frame *); 2676 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2677 k = ieee80211_crypto_encap(ni, m); 2678 if (k == NULL) { 2679 m_freem(m); 2680 ieee80211_free_node(ni); 2681 return; 2682 } 2683 wh = mtod(m, struct ieee80211_frame *); 2684 } 2685 flags = 0; 2686 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2687 flags |= RT2573_TX_NEED_ACK; 2688 2689 dur = ieee80211_ack_duration(sc->sc_rates, tp->mgmtrate, 2690 ic->ic_flags & IEEE80211_F_SHPREAMBLE); 2691 USETW(wh->i_dur, dur); 2692 2693 /* tell hardware to add timestamp for probe responses */ 2694 if ((wh->i_fc[0] & 2695 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2696 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) 2697 flags |= RT2573_TX_TIMESTAMP; 2698 } 2699 m->m_pkthdr.rcvif = (void *)ni; 2700 rum_setup_desc_and_tx(sc, m, flags, 0, tp->mgmtrate); 2701} 2702 2703static struct ieee80211vap * 2704rum_get_vap(struct rum_softc *sc) 2705{ 2706 struct ifnet *ifp; 2707 struct ieee80211com *ic; 2708 2709 if (sc == NULL) { 2710 return NULL; 2711 } 2712 ifp = sc->sc_ifp; 2713 if (ifp == NULL) { 2714 return NULL; 2715 } 2716 ic = ifp->if_l2com; 2717 if (ic == NULL) { 2718 return NULL; 2719 } 2720 return TAILQ_FIRST(&ic->ic_vaps); 2721} 2722 2723static void 2724rum_tx_data(struct rum_softc *sc, struct mbuf *m, 2725 struct ieee80211_node *ni) 2726{ 2727 struct ieee80211vap *vap = ni->ni_vap; 2728 struct ieee80211com *ic = ni->ni_ic; 2729 const struct ieee80211_txparam *tp; 2730 struct ieee80211_frame *wh; 2731 struct ieee80211_key *k; 2732 uint32_t flags = 0; 2733 uint16_t dur; 2734 uint16_t rate; 2735 2736 DPRINTFN(11, "Sending data.\n"); 2737 2738 wh = mtod(m, struct ieee80211_frame *); 2739 2740 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; 2741 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 2742 rate = tp->mcastrate; 2743 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2744 rate = tp->ucastrate; 2745 else 2746 rate = ni->ni_txrate; 2747 2748 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2749 k = ieee80211_crypto_encap(ni, m); 2750 if (k == NULL) { 2751 m_freem(m); 2752 ieee80211_free_node(ni); 2753 return; 2754 } 2755 /* packet header may have moved, reset our local pointer */ 2756 wh = mtod(m, struct ieee80211_frame *); 2757 } 2758 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2759 uint8_t prot = IEEE80211_PROT_NONE; 2760 2761 if (m->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) 2762 prot = IEEE80211_PROT_RTSCTS; 2763 else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2764 ieee80211_rate2phytype(sc->sc_rates, rate) == IEEE80211_T_OFDM) 2765 prot = ic->ic_protmode; 2766 if (prot != IEEE80211_PROT_NONE) { 2767 rum_tx_prot(sc, m, ni, prot, rate); 2768 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS; 2769 } 2770 flags |= RT2573_TX_NEED_ACK; 2771 flags |= RT2573_TX_MORE_FRAG; 2772 2773 dur = ieee80211_ack_duration(sc->sc_rates, rate, 2774 ic->ic_flags & IEEE80211_F_SHPREAMBLE); 2775 USETW(wh->i_dur, dur); 2776 } 2777 m->m_pkthdr.rcvif = (void *)ni; 2778 rum_setup_desc_and_tx(sc, m, flags, 0, rate); 2779} 2780 2781static void 2782rum_tx_prot(struct rum_softc *sc, 2783 const struct mbuf *m, struct ieee80211_node *ni, 2784 uint8_t prot, uint16_t rate) 2785{ 2786 struct ieee80211com *ic = ni->ni_ic; 2787 const struct ieee80211_frame *wh; 2788 struct mbuf *mprot; 2789 uint32_t flags; 2790 uint16_t protrate; 2791 uint16_t ackrate; 2792 uint16_t pktlen; 2793 uint16_t dur; 2794 uint8_t isshort; 2795 2796 KASSERT((prot == IEEE80211_PROT_RTSCTS) || 2797 (prot == IEEE80211_PROT_CTSONLY), 2798 ("protection %u", prot)); 2799 2800 DPRINTFN(11, "Sending protection frame.\n"); 2801 2802 wh = mtod(m, const struct ieee80211_frame *); 2803 pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN; 2804 2805 protrate = ieee80211_ctl_rate(sc->sc_rates, rate); 2806 ackrate = ieee80211_ack_rate(sc->sc_rates, rate); 2807 2808 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0; 2809 dur = ieee80211_compute_duration(sc->sc_rates, pktlen, rate, isshort); 2810 +ieee80211_ack_duration(sc->sc_rates, rate, isshort); 2811 flags = RT2573_TX_MORE_FRAG; 2812 if (prot == IEEE80211_PROT_RTSCTS) { 2813 /* NB: CTS is the same size as an ACK */ 2814 dur += ieee80211_ack_duration(sc->sc_rates, rate, isshort); 2815 flags |= RT2573_TX_NEED_ACK; 2816 mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur); 2817 } else { 2818 mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur); 2819 } 2820 if (mprot == NULL) { 2821 return; 2822 } 2823 mprot->m_pkthdr.rcvif = (void *)ieee80211_ref_node(ni); 2824 rum_setup_desc_and_tx(sc, mprot, flags, 0, protrate); 2825} 2826 2827static void 2828rum_tx_raw(struct rum_softc *sc, struct mbuf *m, struct ieee80211_node *ni, 2829 const struct ieee80211_bpf_params *params) 2830{ 2831 uint32_t flags; 2832 uint16_t rate; 2833 2834 DPRINTFN(11, "Sending raw frame.\n"); 2835 2836 rate = params->ibp_rate0 & IEEE80211_RATE_VAL; 2837 2838 /* XXX validate */ 2839 if (rate == 0) { 2840 m_freem(m); 2841 ieee80211_free_node(ni); 2842 return; 2843 } 2844 flags = 0; 2845 if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2846 flags |= RT2573_TX_NEED_ACK; 2847 if (params->ibp_flags & (IEEE80211_BPF_RTS | IEEE80211_BPF_CTS)) { 2848 rum_tx_prot(sc, m, ni, 2849 params->ibp_flags & IEEE80211_BPF_RTS ? 2850 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY, 2851 rate); 2852 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS; 2853 } 2854 m->m_pkthdr.rcvif = (void *)ni; 2855 rum_setup_desc_and_tx(sc, m, flags, 0, rate); 2856} 2857 2858static int 2859rum_raw_xmit_cb(struct ieee80211_node *ni, struct mbuf *m, 2860 const struct ieee80211_bpf_params *params) 2861{ 2862 struct ieee80211com *ic = ni->ni_ic; 2863 struct ifnet *ifp = ic->ic_ifp; 2864 struct rum_softc *sc = ifp->if_softc; 2865 2866 mtx_lock(&sc->sc_mtx); 2867 if (params == NULL) { 2868 /* 2869 * Legacy path; interpret frame contents to decide 2870 * precisely how to send the frame. 2871 */ 2872 rum_tx_mgt(sc, m, ni); 2873 } else { 2874 /* 2875 * Caller supplied explicit parameters to use in 2876 * sending the frame. 2877 */ 2878 rum_tx_raw(sc, m, ni, params); 2879 } 2880 mtx_unlock(&sc->sc_mtx); 2881 return (0); 2882} 2883 2884static void 2885rum_update_mcast_cb(struct ifnet *ifp) 2886{ 2887 /* not supported */ 2888} 2889 2890static void 2891rum_update_promisc_cb(struct ifnet *ifp) 2892{ 2893 struct rum_softc *sc = ifp->if_softc; 2894 2895 mtx_lock(&sc->sc_mtx); 2896 usb2_config_td_queue_command 2897 (&sc->sc_config_td, &rum_config_copy, 2898 &rum_cfg_update_promisc, 0, 0); 2899 mtx_unlock(&sc->sc_mtx); 2900} 2901