1 // SPDX-License-Identifier: GPL-2.0 2 /****************************************************************************** 3 * 4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. 5 * 6 ******************************************************************************/ 7 #define _RTW_XMIT_C_ 8 9 #include <drv_types.h> 10 #include <rtw_debug.h> 11 12 static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 }; 13 static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 }; 14 15 static void _init_txservq(struct tx_servq *ptxservq) 16 { 17 INIT_LIST_HEAD(&ptxservq->tx_pending); 18 _rtw_init_queue(&ptxservq->sta_pending); 19 ptxservq->qcnt = 0; 20 } 21 22 void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv) 23 { 24 memset((unsigned char *)psta_xmitpriv, 0, sizeof(struct sta_xmit_priv)); 25 26 spin_lock_init(&psta_xmitpriv->lock); 27 28 /* for (i = 0 ; i < MAX_NUMBLKS; i++) */ 29 /* _init_txservq(&(psta_xmitpriv->blk_q[i])); */ 30 31 _init_txservq(&psta_xmitpriv->be_q); 32 _init_txservq(&psta_xmitpriv->bk_q); 33 _init_txservq(&psta_xmitpriv->vi_q); 34 _init_txservq(&psta_xmitpriv->vo_q); 35 INIT_LIST_HEAD(&psta_xmitpriv->legacy_dz); 36 INIT_LIST_HEAD(&psta_xmitpriv->apsd); 37 } 38 39 s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter) 40 { 41 int i; 42 struct xmit_buf *pxmitbuf; 43 struct xmit_frame *pxframe; 44 sint res = _SUCCESS; 45 46 spin_lock_init(&pxmitpriv->lock); 47 spin_lock_init(&pxmitpriv->lock_sctx); 48 init_completion(&pxmitpriv->xmit_comp); 49 init_completion(&pxmitpriv->terminate_xmitthread_comp); 50 51 /* 52 Please insert all the queue initializaiton using _rtw_init_queue below 53 */ 54 55 pxmitpriv->adapter = padapter; 56 57 /* for (i = 0 ; i < MAX_NUMBLKS; i++) */ 58 /* _rtw_init_queue(&pxmitpriv->blk_strms[i]); */ 59 60 _rtw_init_queue(&pxmitpriv->be_pending); 61 _rtw_init_queue(&pxmitpriv->bk_pending); 62 _rtw_init_queue(&pxmitpriv->vi_pending); 63 _rtw_init_queue(&pxmitpriv->vo_pending); 64 _rtw_init_queue(&pxmitpriv->bm_pending); 65 66 /* _rtw_init_queue(&pxmitpriv->legacy_dz_queue); */ 67 /* _rtw_init_queue(&pxmitpriv->apsd_queue); */ 68 69 _rtw_init_queue(&pxmitpriv->free_xmit_queue); 70 71 /* 72 Please allocate memory with the sz = (struct xmit_frame) * NR_XMITFRAME, 73 and initialize free_xmit_frame below. 74 Please also apply free_txobj to link_up all the xmit_frames... 75 */ 76 77 pxmitpriv->pallocated_frame_buf = vzalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4); 78 79 if (pxmitpriv->pallocated_frame_buf == NULL) { 80 pxmitpriv->pxmit_frame_buf = NULL; 81 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_frame fail!\n")); 82 res = _FAIL; 83 goto exit; 84 } 85 pxmitpriv->pxmit_frame_buf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_frame_buf), 4); 86 /* pxmitpriv->pxmit_frame_buf = pxmitpriv->pallocated_frame_buf + 4 - */ 87 /* ((SIZE_PTR) (pxmitpriv->pallocated_frame_buf) &3); */ 88 89 pxframe = (struct xmit_frame *) pxmitpriv->pxmit_frame_buf; 90 91 for (i = 0; i < NR_XMITFRAME; i++) { 92 INIT_LIST_HEAD(&(pxframe->list)); 93 94 pxframe->padapter = padapter; 95 pxframe->frame_tag = NULL_FRAMETAG; 96 97 pxframe->pkt = NULL; 98 99 pxframe->buf_addr = NULL; 100 pxframe->pxmitbuf = NULL; 101 102 list_add_tail(&(pxframe->list), &(pxmitpriv->free_xmit_queue.queue)); 103 104 pxframe++; 105 } 106 107 pxmitpriv->free_xmitframe_cnt = NR_XMITFRAME; 108 109 pxmitpriv->frag_len = MAX_FRAG_THRESHOLD; 110 111 112 /* init xmit_buf */ 113 _rtw_init_queue(&pxmitpriv->free_xmitbuf_queue); 114 _rtw_init_queue(&pxmitpriv->pending_xmitbuf_queue); 115 116 pxmitpriv->pallocated_xmitbuf = vzalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4); 117 118 if (pxmitpriv->pallocated_xmitbuf == NULL) { 119 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_buf fail!\n")); 120 res = _FAIL; 121 goto exit; 122 } 123 124 pxmitpriv->pxmitbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_xmitbuf), 4); 125 /* pxmitpriv->pxmitbuf = pxmitpriv->pallocated_xmitbuf + 4 - */ 126 /* ((SIZE_PTR) (pxmitpriv->pallocated_xmitbuf) &3); */ 127 128 pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf; 129 130 for (i = 0; i < NR_XMITBUFF; i++) { 131 INIT_LIST_HEAD(&pxmitbuf->list); 132 133 pxmitbuf->priv_data = NULL; 134 pxmitbuf->padapter = padapter; 135 pxmitbuf->buf_tag = XMITBUF_DATA; 136 137 /* Tx buf allocation may fail sometimes, so sleep and retry. */ 138 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ), true); 139 if (res == _FAIL) { 140 msleep(10); 141 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ), true); 142 if (res == _FAIL) 143 goto exit; 144 } 145 146 pxmitbuf->phead = pxmitbuf->pbuf; 147 pxmitbuf->pend = pxmitbuf->pbuf + MAX_XMITBUF_SZ; 148 pxmitbuf->len = 0; 149 pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead; 150 151 pxmitbuf->flags = XMIT_VO_QUEUE; 152 153 list_add_tail(&pxmitbuf->list, &(pxmitpriv->free_xmitbuf_queue.queue)); 154 #ifdef DBG_XMIT_BUF 155 pxmitbuf->no = i; 156 #endif 157 158 pxmitbuf++; 159 160 } 161 162 pxmitpriv->free_xmitbuf_cnt = NR_XMITBUFF; 163 164 /* init xframe_ext queue, the same count as extbuf */ 165 _rtw_init_queue(&pxmitpriv->free_xframe_ext_queue); 166 167 pxmitpriv->xframe_ext_alloc_addr = vzalloc(NR_XMIT_EXTBUFF * sizeof(struct xmit_frame) + 4); 168 169 if (pxmitpriv->xframe_ext_alloc_addr == NULL) { 170 pxmitpriv->xframe_ext = NULL; 171 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xframe_ext fail!\n")); 172 res = _FAIL; 173 goto exit; 174 } 175 pxmitpriv->xframe_ext = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->xframe_ext_alloc_addr), 4); 176 pxframe = (struct xmit_frame *)pxmitpriv->xframe_ext; 177 178 for (i = 0; i < NR_XMIT_EXTBUFF; i++) { 179 INIT_LIST_HEAD(&(pxframe->list)); 180 181 pxframe->padapter = padapter; 182 pxframe->frame_tag = NULL_FRAMETAG; 183 184 pxframe->pkt = NULL; 185 186 pxframe->buf_addr = NULL; 187 pxframe->pxmitbuf = NULL; 188 189 pxframe->ext_tag = 1; 190 191 list_add_tail(&(pxframe->list), &(pxmitpriv->free_xframe_ext_queue.queue)); 192 193 pxframe++; 194 } 195 pxmitpriv->free_xframe_ext_cnt = NR_XMIT_EXTBUFF; 196 197 /* Init xmit extension buff */ 198 _rtw_init_queue(&pxmitpriv->free_xmit_extbuf_queue); 199 200 pxmitpriv->pallocated_xmit_extbuf = vzalloc(NR_XMIT_EXTBUFF * sizeof(struct xmit_buf) + 4); 201 202 if (pxmitpriv->pallocated_xmit_extbuf == NULL) { 203 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_extbuf fail!\n")); 204 res = _FAIL; 205 goto exit; 206 } 207 208 pxmitpriv->pxmit_extbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_xmit_extbuf), 4); 209 210 pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf; 211 212 for (i = 0; i < NR_XMIT_EXTBUFF; i++) { 213 INIT_LIST_HEAD(&pxmitbuf->list); 214 215 pxmitbuf->priv_data = NULL; 216 pxmitbuf->padapter = padapter; 217 pxmitbuf->buf_tag = XMITBUF_MGNT; 218 219 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, MAX_XMIT_EXTBUF_SZ + XMITBUF_ALIGN_SZ, true); 220 if (res == _FAIL) { 221 res = _FAIL; 222 goto exit; 223 } 224 225 pxmitbuf->phead = pxmitbuf->pbuf; 226 pxmitbuf->pend = pxmitbuf->pbuf + MAX_XMIT_EXTBUF_SZ; 227 pxmitbuf->len = 0; 228 pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead; 229 230 list_add_tail(&pxmitbuf->list, &(pxmitpriv->free_xmit_extbuf_queue.queue)); 231 #ifdef DBG_XMIT_BUF_EXT 232 pxmitbuf->no = i; 233 #endif 234 pxmitbuf++; 235 236 } 237 238 pxmitpriv->free_xmit_extbuf_cnt = NR_XMIT_EXTBUFF; 239 240 for (i = 0; i < CMDBUF_MAX; i++) { 241 pxmitbuf = &pxmitpriv->pcmd_xmitbuf[i]; 242 if (pxmitbuf) { 243 INIT_LIST_HEAD(&pxmitbuf->list); 244 245 pxmitbuf->priv_data = NULL; 246 pxmitbuf->padapter = padapter; 247 pxmitbuf->buf_tag = XMITBUF_CMD; 248 249 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, MAX_CMDBUF_SZ+XMITBUF_ALIGN_SZ, true); 250 if (res == _FAIL) { 251 res = _FAIL; 252 goto exit; 253 } 254 255 pxmitbuf->phead = pxmitbuf->pbuf; 256 pxmitbuf->pend = pxmitbuf->pbuf + MAX_CMDBUF_SZ; 257 pxmitbuf->len = 0; 258 pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead; 259 pxmitbuf->alloc_sz = MAX_CMDBUF_SZ+XMITBUF_ALIGN_SZ; 260 } 261 } 262 263 res = rtw_alloc_hwxmits(padapter); 264 if (res == _FAIL) 265 goto exit; 266 rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry); 267 268 for (i = 0; i < 4; i++) { 269 pxmitpriv->wmm_para_seq[i] = i; 270 } 271 272 pxmitpriv->ack_tx = false; 273 mutex_init(&pxmitpriv->ack_tx_mutex); 274 rtw_sctx_init(&pxmitpriv->ack_tx_ops, 0); 275 276 rtw_hal_init_xmit_priv(padapter); 277 278 exit: 279 return res; 280 } 281 282 void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv) 283 { 284 int i; 285 struct adapter *padapter = pxmitpriv->adapter; 286 struct xmit_frame *pxmitframe = (struct xmit_frame *) pxmitpriv->pxmit_frame_buf; 287 struct xmit_buf *pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf; 288 289 rtw_hal_free_xmit_priv(padapter); 290 291 if (pxmitpriv->pxmit_frame_buf == NULL) 292 return; 293 294 for (i = 0; i < NR_XMITFRAME; i++) { 295 rtw_os_xmit_complete(padapter, pxmitframe); 296 297 pxmitframe++; 298 } 299 300 for (i = 0; i < NR_XMITBUFF; i++) { 301 rtw_os_xmit_resource_free(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ), true); 302 303 pxmitbuf++; 304 } 305 306 if (pxmitpriv->pallocated_frame_buf) 307 vfree(pxmitpriv->pallocated_frame_buf); 308 309 310 if (pxmitpriv->pallocated_xmitbuf) 311 vfree(pxmitpriv->pallocated_xmitbuf); 312 313 /* free xframe_ext queue, the same count as extbuf */ 314 pxmitframe = (struct xmit_frame *)pxmitpriv->xframe_ext; 315 if (pxmitframe) { 316 for (i = 0; i < NR_XMIT_EXTBUFF; i++) { 317 rtw_os_xmit_complete(padapter, pxmitframe); 318 pxmitframe++; 319 } 320 } 321 if (pxmitpriv->xframe_ext_alloc_addr) 322 vfree(pxmitpriv->xframe_ext_alloc_addr); 323 324 /* free xmit extension buff */ 325 pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf; 326 for (i = 0; i < NR_XMIT_EXTBUFF; i++) { 327 rtw_os_xmit_resource_free(padapter, pxmitbuf, (MAX_XMIT_EXTBUF_SZ + XMITBUF_ALIGN_SZ), true); 328 329 pxmitbuf++; 330 } 331 332 if (pxmitpriv->pallocated_xmit_extbuf) { 333 vfree(pxmitpriv->pallocated_xmit_extbuf); 334 } 335 336 for (i = 0; i < CMDBUF_MAX; i++) { 337 pxmitbuf = &pxmitpriv->pcmd_xmitbuf[i]; 338 if (pxmitbuf != NULL) 339 rtw_os_xmit_resource_free(padapter, pxmitbuf, MAX_CMDBUF_SZ+XMITBUF_ALIGN_SZ, true); 340 } 341 342 rtw_free_hwxmits(padapter); 343 344 mutex_destroy(&pxmitpriv->ack_tx_mutex); 345 } 346 347 u8 query_ra_short_GI(struct sta_info *psta) 348 { 349 u8 sgi = false, sgi_20m = false, sgi_40m = false, sgi_80m = false; 350 351 sgi_20m = psta->htpriv.sgi_20m; 352 sgi_40m = psta->htpriv.sgi_40m; 353 354 switch (psta->bw_mode) { 355 case CHANNEL_WIDTH_80: 356 sgi = sgi_80m; 357 break; 358 case CHANNEL_WIDTH_40: 359 sgi = sgi_40m; 360 break; 361 case CHANNEL_WIDTH_20: 362 default: 363 sgi = sgi_20m; 364 break; 365 } 366 367 return sgi; 368 } 369 370 static void update_attrib_vcs_info(struct adapter *padapter, struct xmit_frame *pxmitframe) 371 { 372 u32 sz; 373 struct pkt_attrib *pattrib = &pxmitframe->attrib; 374 /* struct sta_info *psta = pattrib->psta; */ 375 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); 376 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 377 378 if (pattrib->nr_frags != 1) 379 sz = padapter->xmitpriv.frag_len; 380 else /* no frag */ 381 sz = pattrib->last_txcmdsz; 382 383 /* (1) RTS_Threshold is compared to the MPDU, not MSDU. */ 384 /* (2) If there are more than one frag in this MSDU, only the first frag uses protection frame. */ 385 /* Other fragments are protected by previous fragment. */ 386 /* So we only need to check the length of first fragment. */ 387 if (pmlmeext->cur_wireless_mode < WIRELESS_11_24N || padapter->registrypriv.wifi_spec) { 388 if (sz > padapter->registrypriv.rts_thresh) 389 pattrib->vcs_mode = RTS_CTS; 390 else { 391 if (pattrib->rtsen) 392 pattrib->vcs_mode = RTS_CTS; 393 else if (pattrib->cts2self) 394 pattrib->vcs_mode = CTS_TO_SELF; 395 else 396 pattrib->vcs_mode = NONE_VCS; 397 } 398 } else { 399 while (true) { 400 /* IOT action */ 401 if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_ATHEROS) && (pattrib->ampdu_en == true) && 402 (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) { 403 pattrib->vcs_mode = CTS_TO_SELF; 404 break; 405 } 406 407 408 /* check ERP protection */ 409 if (pattrib->rtsen || pattrib->cts2self) { 410 if (pattrib->rtsen) 411 pattrib->vcs_mode = RTS_CTS; 412 else if (pattrib->cts2self) 413 pattrib->vcs_mode = CTS_TO_SELF; 414 415 break; 416 } 417 418 /* check HT op mode */ 419 if (pattrib->ht_en) { 420 u8 HTOpMode = pmlmeinfo->HT_protection; 421 if ((pmlmeext->cur_bwmode && (HTOpMode == 2 || HTOpMode == 3)) || 422 (!pmlmeext->cur_bwmode && HTOpMode == 3)) { 423 pattrib->vcs_mode = RTS_CTS; 424 break; 425 } 426 } 427 428 /* check rts */ 429 if (sz > padapter->registrypriv.rts_thresh) { 430 pattrib->vcs_mode = RTS_CTS; 431 break; 432 } 433 434 /* to do list: check MIMO power save condition. */ 435 436 /* check AMPDU aggregation for TXOP */ 437 if (pattrib->ampdu_en == true) { 438 pattrib->vcs_mode = RTS_CTS; 439 break; 440 } 441 442 pattrib->vcs_mode = NONE_VCS; 443 break; 444 } 445 } 446 447 /* for debug : force driver control vrtl_carrier_sense. */ 448 if (padapter->driver_vcs_en == 1) 449 pattrib->vcs_mode = padapter->driver_vcs_type; 450 } 451 452 static void update_attrib_phy_info(struct adapter *padapter, struct pkt_attrib *pattrib, struct sta_info *psta) 453 { 454 struct mlme_ext_priv *mlmeext = &padapter->mlmeextpriv; 455 456 pattrib->rtsen = psta->rtsen; 457 pattrib->cts2self = psta->cts2self; 458 459 pattrib->mdata = 0; 460 pattrib->eosp = 0; 461 pattrib->triggered = 0; 462 pattrib->ampdu_spacing = 0; 463 464 /* qos_en, ht_en, init rate, , bw, ch_offset, sgi */ 465 pattrib->qos_en = psta->qos_option; 466 467 pattrib->raid = psta->raid; 468 469 if (mlmeext->cur_bwmode < psta->bw_mode) 470 pattrib->bwmode = mlmeext->cur_bwmode; 471 else 472 pattrib->bwmode = psta->bw_mode; 473 474 pattrib->sgi = query_ra_short_GI(psta); 475 476 pattrib->ldpc = psta->ldpc; 477 pattrib->stbc = psta->stbc; 478 479 pattrib->ht_en = psta->htpriv.ht_option; 480 pattrib->ch_offset = psta->htpriv.ch_offset; 481 pattrib->ampdu_en = false; 482 483 if (padapter->driver_ampdu_spacing != 0xFF) /* driver control AMPDU Density for peer sta's rx */ 484 pattrib->ampdu_spacing = padapter->driver_ampdu_spacing; 485 else 486 pattrib->ampdu_spacing = psta->htpriv.rx_ampdu_min_spacing; 487 488 /* if (pattrib->ht_en && psta->htpriv.ampdu_enable) */ 489 /* */ 490 /* if (psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority)) */ 491 /* pattrib->ampdu_en = true; */ 492 /* */ 493 494 495 pattrib->retry_ctrl = false; 496 497 #ifdef CONFIG_AUTO_AP_MODE 498 if (psta->isrc && psta->pid > 0) 499 pattrib->pctrl = true; 500 #endif 501 502 } 503 504 static s32 update_attrib_sec_info(struct adapter *padapter, struct pkt_attrib *pattrib, struct sta_info *psta) 505 { 506 sint res = _SUCCESS; 507 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 508 struct security_priv *psecuritypriv = &padapter->securitypriv; 509 sint bmcast = IS_MCAST(pattrib->ra); 510 511 memset(pattrib->dot118021x_UncstKey.skey, 0, 16); 512 memset(pattrib->dot11tkiptxmickey.skey, 0, 16); 513 pattrib->mac_id = psta->mac_id; 514 515 if (psta->ieee8021x_blocked == true) { 516 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\n psta->ieee8021x_blocked == true\n")); 517 518 pattrib->encrypt = 0; 519 520 if ((pattrib->ether_type != 0x888e) && (check_fwstate(pmlmepriv, WIFI_MP_STATE) == false)) { 521 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\npsta->ieee8021x_blocked == true, pattrib->ether_type(%.4x) != 0x888e\n", pattrib->ether_type)); 522 #ifdef DBG_TX_DROP_FRAME 523 DBG_871X("DBG_TX_DROP_FRAME %s psta->ieee8021x_blocked == true, pattrib->ether_type(%04x) != 0x888e\n", __func__, pattrib->ether_type); 524 #endif 525 res = _FAIL; 526 goto exit; 527 } 528 } else { 529 GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast); 530 531 switch (psecuritypriv->dot11AuthAlgrthm) { 532 case dot11AuthAlgrthm_Open: 533 case dot11AuthAlgrthm_Shared: 534 case dot11AuthAlgrthm_Auto: 535 pattrib->key_idx = (u8)psecuritypriv->dot11PrivacyKeyIndex; 536 break; 537 case dot11AuthAlgrthm_8021X: 538 if (bmcast) 539 pattrib->key_idx = (u8)psecuritypriv->dot118021XGrpKeyid; 540 else 541 pattrib->key_idx = 0; 542 break; 543 default: 544 pattrib->key_idx = 0; 545 break; 546 } 547 548 /* For WPS 1.0 WEP, driver should not encrypt EAPOL Packet for WPS handshake. */ 549 if (((pattrib->encrypt == _WEP40_) || (pattrib->encrypt == _WEP104_)) && (pattrib->ether_type == 0x888e)) 550 pattrib->encrypt = _NO_PRIVACY_; 551 552 } 553 554 switch (pattrib->encrypt) { 555 case _WEP40_: 556 case _WEP104_: 557 pattrib->iv_len = 4; 558 pattrib->icv_len = 4; 559 WEP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); 560 break; 561 562 case _TKIP_: 563 pattrib->iv_len = 8; 564 pattrib->icv_len = 4; 565 566 if (psecuritypriv->busetkipkey == _FAIL) { 567 #ifdef DBG_TX_DROP_FRAME 568 DBG_871X("DBG_TX_DROP_FRAME %s psecuritypriv->busetkipkey(%d) == _FAIL drop packet\n", __func__, psecuritypriv->busetkipkey); 569 #endif 570 res = _FAIL; 571 goto exit; 572 } 573 574 if (bmcast) 575 TKIP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); 576 else 577 TKIP_IV(pattrib->iv, psta->dot11txpn, 0); 578 579 580 memcpy(pattrib->dot11tkiptxmickey.skey, psta->dot11tkiptxmickey.skey, 16); 581 582 break; 583 584 case _AES_: 585 586 pattrib->iv_len = 8; 587 pattrib->icv_len = 8; 588 589 if (bmcast) 590 AES_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); 591 else 592 AES_IV(pattrib->iv, psta->dot11txpn, 0); 593 594 break; 595 596 default: 597 pattrib->iv_len = 0; 598 pattrib->icv_len = 0; 599 break; 600 } 601 602 if (pattrib->encrypt > 0) 603 memcpy(pattrib->dot118021x_UncstKey.skey, psta->dot118021x_UncstKey.skey, 16); 604 605 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, 606 ("update_attrib: encrypt =%d securitypriv.sw_encrypt =%d\n", 607 pattrib->encrypt, padapter->securitypriv.sw_encrypt)); 608 609 if (pattrib->encrypt && 610 ((padapter->securitypriv.sw_encrypt == true) || (psecuritypriv->hw_decrypted == false))) { 611 pattrib->bswenc = true; 612 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, 613 ("update_attrib: encrypt =%d securitypriv.hw_decrypted =%d bswenc =true\n", 614 pattrib->encrypt, padapter->securitypriv.sw_encrypt)); 615 } else { 616 pattrib->bswenc = false; 617 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("update_attrib: bswenc =false\n")); 618 } 619 620 exit: 621 622 return res; 623 624 } 625 626 u8 qos_acm(u8 acm_mask, u8 priority) 627 { 628 u8 change_priority = priority; 629 630 switch (priority) { 631 case 0: 632 case 3: 633 if (acm_mask & BIT(1)) 634 change_priority = 1; 635 break; 636 case 1: 637 case 2: 638 break; 639 case 4: 640 case 5: 641 if (acm_mask & BIT(2)) 642 change_priority = 0; 643 break; 644 case 6: 645 case 7: 646 if (acm_mask & BIT(3)) 647 change_priority = 5; 648 break; 649 default: 650 DBG_871X("qos_acm(): invalid pattrib->priority: %d!!!\n", priority); 651 break; 652 } 653 654 return change_priority; 655 } 656 657 static void set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib) 658 { 659 struct ethhdr etherhdr; 660 struct iphdr ip_hdr; 661 s32 UserPriority = 0; 662 663 664 _rtw_open_pktfile(ppktfile->pkt, ppktfile); 665 _rtw_pktfile_read(ppktfile, (unsigned char *)ðerhdr, ETH_HLEN); 666 667 /* get UserPriority from IP hdr */ 668 if (pattrib->ether_type == 0x0800) { 669 _rtw_pktfile_read(ppktfile, (u8 *)&ip_hdr, sizeof(ip_hdr)); 670 /* UserPriority = (ntohs(ip_hdr.tos) >> 5) & 0x3; */ 671 UserPriority = ip_hdr.tos >> 5; 672 } 673 pattrib->priority = UserPriority; 674 pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN; 675 pattrib->subtype = WIFI_QOS_DATA_TYPE; 676 } 677 678 static s32 update_attrib(struct adapter *padapter, _pkt *pkt, struct pkt_attrib *pattrib) 679 { 680 uint i; 681 struct pkt_file pktfile; 682 struct sta_info *psta = NULL; 683 struct ethhdr etherhdr; 684 685 sint bmcast; 686 struct sta_priv *pstapriv = &padapter->stapriv; 687 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 688 struct qos_priv *pqospriv = &pmlmepriv->qospriv; 689 sint res = _SUCCESS; 690 691 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib); 692 693 _rtw_open_pktfile(pkt, &pktfile); 694 i = _rtw_pktfile_read(&pktfile, (u8 *)ðerhdr, ETH_HLEN); 695 696 pattrib->ether_type = ntohs(etherhdr.h_proto); 697 698 699 memcpy(pattrib->dst, ðerhdr.h_dest, ETH_ALEN); 700 memcpy(pattrib->src, ðerhdr.h_source, ETH_ALEN); 701 702 703 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) || 704 (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)) { 705 memcpy(pattrib->ra, pattrib->dst, ETH_ALEN); 706 memcpy(pattrib->ta, pattrib->src, ETH_ALEN); 707 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_adhoc); 708 } else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { 709 memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN); 710 memcpy(pattrib->ta, pattrib->src, ETH_ALEN); 711 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_sta); 712 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { 713 memcpy(pattrib->ra, pattrib->dst, ETH_ALEN); 714 memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN); 715 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_ap); 716 } else 717 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_unknown); 718 719 pattrib->pktlen = pktfile.pkt_len; 720 721 if (ETH_P_IP == pattrib->ether_type) { 722 /* The following is for DHCP and ARP packet, we use cck1M to tx these packets and let LPS awake some time */ 723 /* to prevent DHCP protocol fail */ 724 725 u8 tmp[24]; 726 727 _rtw_pktfile_read(&pktfile, &tmp[0], 24); 728 729 pattrib->dhcp_pkt = 0; 730 if (pktfile.pkt_len > 282) {/* MINIMUM_DHCP_PACKET_SIZE) { */ 731 if (ETH_P_IP == pattrib->ether_type) {/* IP header */ 732 if (((tmp[21] == 68) && (tmp[23] == 67)) || 733 ((tmp[21] == 67) && (tmp[23] == 68))) { 734 /* 68 : UDP BOOTP client */ 735 /* 67 : UDP BOOTP server */ 736 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("======================update_attrib: get DHCP Packet\n")); 737 pattrib->dhcp_pkt = 1; 738 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_dhcp); 739 } 740 } 741 } 742 743 /* for parsing ICMP pakcets */ 744 { 745 struct iphdr *piphdr = (struct iphdr *)tmp; 746 747 pattrib->icmp_pkt = 0; 748 if (piphdr->protocol == 0x1) { /* protocol type in ip header 0x1 is ICMP */ 749 pattrib->icmp_pkt = 1; 750 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_icmp); 751 } 752 } 753 754 755 } else if (0x888e == pattrib->ether_type) { 756 DBG_871X_LEVEL(_drv_always_, "send eapol packet\n"); 757 } 758 759 if ((pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1)) 760 rtw_set_scan_deny(padapter, 3000); 761 762 /* If EAPOL , ARP , OR DHCP packet, driver must be in active mode. */ 763 if (pattrib->icmp_pkt == 1) 764 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1); 765 else if (pattrib->dhcp_pkt == 1) { 766 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_active); 767 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SPECIAL_PACKET, 1); 768 } 769 770 bmcast = IS_MCAST(pattrib->ra); 771 772 /* get sta_info */ 773 if (bmcast) { 774 psta = rtw_get_bcmc_stainfo(padapter); 775 } else { 776 psta = rtw_get_stainfo(pstapriv, pattrib->ra); 777 if (psta == NULL) { /* if we cannot get psta => drop the pkt */ 778 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_ucast_sta); 779 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:" MAC_FMT"\n", MAC_ARG(pattrib->ra))); 780 #ifdef DBG_TX_DROP_FRAME 781 DBG_871X("DBG_TX_DROP_FRAME %s get sta_info fail, ra:" MAC_FMT"\n", __func__, MAC_ARG(pattrib->ra)); 782 #endif 783 res = _FAIL; 784 goto exit; 785 } else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) && (!(psta->state & _FW_LINKED))) { 786 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_ucast_ap_link); 787 res = _FAIL; 788 goto exit; 789 } 790 } 791 792 if (psta == NULL) { 793 /* if we cannot get psta => drop the pkt */ 794 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_sta); 795 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:" MAC_FMT "\n", MAC_ARG(pattrib->ra))); 796 #ifdef DBG_TX_DROP_FRAME 797 DBG_871X("DBG_TX_DROP_FRAME %s get sta_info fail, ra:" MAC_FMT"\n", __func__, MAC_ARG(pattrib->ra)); 798 #endif 799 res = _FAIL; 800 goto exit; 801 } 802 803 if (!(psta->state & _FW_LINKED)) { 804 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_link); 805 DBG_871X("%s, psta("MAC_FMT")->state(0x%x) != _FW_LINKED\n", __func__, MAC_ARG(psta->hwaddr), psta->state); 806 return _FAIL; 807 } 808 809 810 811 /* TODO:_lock */ 812 if (update_attrib_sec_info(padapter, pattrib, psta) == _FAIL) { 813 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_sec); 814 res = _FAIL; 815 goto exit; 816 } 817 818 update_attrib_phy_info(padapter, pattrib, psta); 819 820 /* DBG_8192C("%s ==> mac_id(%d)\n", __func__, pattrib->mac_id); */ 821 822 pattrib->psta = psta; 823 /* TODO:_unlock */ 824 825 pattrib->pctrl = 0; 826 827 pattrib->ack_policy = 0; 828 /* get ether_hdr_len */ 829 pattrib->pkt_hdrlen = ETH_HLEN;/* pattrib->ether_type == 0x8100) ? (14 + 4): 14; vlan tag */ 830 831 pattrib->hdrlen = WLAN_HDR_A3_LEN; 832 pattrib->subtype = WIFI_DATA_TYPE; 833 pattrib->priority = 0; 834 835 if (check_fwstate(pmlmepriv, WIFI_AP_STATE|WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE)) { 836 if (pattrib->qos_en) 837 set_qos(&pktfile, pattrib); 838 } else { 839 if (pqospriv->qos_option) { 840 set_qos(&pktfile, pattrib); 841 842 if (pmlmepriv->acm_mask != 0) 843 pattrib->priority = qos_acm(pmlmepriv->acm_mask, pattrib->priority); 844 845 } 846 } 847 848 /* pattrib->priority = 5; force to used VI queue, for testing */ 849 850 exit: 851 return res; 852 } 853 854 static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitframe) 855 { 856 sint curfragnum, length; 857 u8 *pframe, *payload, mic[8]; 858 struct mic_data micdata; 859 /* struct sta_info *stainfo; */ 860 struct pkt_attrib *pattrib = &pxmitframe->attrib; 861 struct security_priv *psecuritypriv = &padapter->securitypriv; 862 struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 863 u8 priority[4] = {0x0, 0x0, 0x0, 0x0}; 864 u8 hw_hdr_offset = 0; 865 sint bmcst = IS_MCAST(pattrib->ra); 866 867 /* 868 if (pattrib->psta) 869 { 870 stainfo = pattrib->psta; 871 } 872 else 873 { 874 DBG_871X("%s, call rtw_get_stainfo()\n", __func__); 875 stainfo =rtw_get_stainfo(&padapter->stapriv ,&pattrib->ra[0]); 876 } 877 878 if (stainfo == NULL) 879 { 880 DBG_871X("%s, psta ==NUL\n", __func__); 881 return _FAIL; 882 } 883 884 if (!(stainfo->state &_FW_LINKED)) 885 { 886 DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, stainfo->state); 887 return _FAIL; 888 } 889 */ 890 891 hw_hdr_offset = TXDESC_OFFSET; 892 893 if (pattrib->encrypt == _TKIP_) { /* if (psecuritypriv->dot11PrivacyAlgrthm == _TKIP_PRIVACY_) */ 894 /* encode mic code */ 895 /* if (stainfo!= NULL) */ 896 { 897 u8 null_key[16] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; 898 899 pframe = pxmitframe->buf_addr + hw_hdr_offset; 900 901 if (bmcst) { 902 if (!memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16)) { 903 /* DbgPrint("\nxmitframe_addmic:stainfo->dot11tkiptxmickey == 0\n"); */ 904 /* msleep(10); */ 905 return _FAIL; 906 } 907 /* start to calculate the mic code */ 908 rtw_secmicsetkey(&micdata, psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey); 909 } else { 910 if (!memcmp(&pattrib->dot11tkiptxmickey.skey[0], null_key, 16)) { 911 /* DbgPrint("\nxmitframe_addmic:stainfo->dot11tkiptxmickey == 0\n"); */ 912 /* msleep(10); */ 913 return _FAIL; 914 } 915 /* start to calculate the mic code */ 916 rtw_secmicsetkey(&micdata, &pattrib->dot11tkiptxmickey.skey[0]); 917 } 918 919 if (pframe[1]&1) { /* ToDS == 1 */ 920 rtw_secmicappend(&micdata, &pframe[16], 6); /* DA */ 921 if (pframe[1]&2) /* From Ds == 1 */ 922 rtw_secmicappend(&micdata, &pframe[24], 6); 923 else 924 rtw_secmicappend(&micdata, &pframe[10], 6); 925 } else { /* ToDS == 0 */ 926 rtw_secmicappend(&micdata, &pframe[4], 6); /* DA */ 927 if (pframe[1]&2) /* From Ds == 1 */ 928 rtw_secmicappend(&micdata, &pframe[16], 6); 929 else 930 rtw_secmicappend(&micdata, &pframe[10], 6); 931 932 } 933 934 /* if (pqospriv->qos_option == 1) */ 935 if (pattrib->qos_en) 936 priority[0] = (u8)pxmitframe->attrib.priority; 937 938 939 rtw_secmicappend(&micdata, &priority[0], 4); 940 941 payload = pframe; 942 943 for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) { 944 payload = (u8 *)RND4((SIZE_PTR)(payload)); 945 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("===curfragnum =%d, pframe = 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x,!!!\n", 946 curfragnum, *payload, *(payload+1), *(payload+2), *(payload+3), *(payload+4), *(payload+5), *(payload+6), *(payload+7))); 947 948 payload = payload+pattrib->hdrlen+pattrib->iv_len; 949 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("curfragnum =%d pattrib->hdrlen =%d pattrib->iv_len =%d", curfragnum, pattrib->hdrlen, pattrib->iv_len)); 950 if ((curfragnum+1) == pattrib->nr_frags) { 951 length = pattrib->last_txcmdsz-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0); 952 rtw_secmicappend(&micdata, payload, length); 953 payload = payload+length; 954 } else { 955 length = pxmitpriv->frag_len-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0); 956 rtw_secmicappend(&micdata, payload, length); 957 payload = payload+length+pattrib->icv_len; 958 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("curfragnum =%d length =%d pattrib->icv_len =%d", curfragnum, length, pattrib->icv_len)); 959 } 960 } 961 rtw_secgetmic(&micdata, &(mic[0])); 962 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: before add mic code!!!\n")); 963 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: pattrib->last_txcmdsz =%d!!!\n", pattrib->last_txcmdsz)); 964 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: mic[0]= 0x%.2x , mic[1]= 0x%.2x , mic[2]= 0x%.2x , mic[3]= 0x%.2x\n\ 965 mic[4]= 0x%.2x , mic[5]= 0x%.2x , mic[6]= 0x%.2x , mic[7]= 0x%.2x !!!!\n", 966 mic[0], mic[1], mic[2], mic[3], mic[4], mic[5], mic[6], mic[7])); 967 /* add mic code and add the mic code length in last_txcmdsz */ 968 969 memcpy(payload, &(mic[0]), 8); 970 pattrib->last_txcmdsz += 8; 971 972 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("\n ========last pkt ========\n")); 973 payload = payload-pattrib->last_txcmdsz+8; 974 for (curfragnum = 0; curfragnum < pattrib->last_txcmdsz; curfragnum = curfragnum+8) 975 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, (" %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x ", 976 *(payload+curfragnum), *(payload+curfragnum+1), *(payload+curfragnum+2), *(payload+curfragnum+3), 977 *(payload+curfragnum+4), *(payload+curfragnum+5), *(payload+curfragnum+6), *(payload+curfragnum+7))); 978 } 979 /* 980 else { 981 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: rtw_get_stainfo == NULL!!!\n")); 982 } 983 */ 984 } 985 return _SUCCESS; 986 } 987 988 static s32 xmitframe_swencrypt(struct adapter *padapter, struct xmit_frame *pxmitframe) 989 { 990 991 struct pkt_attrib *pattrib = &pxmitframe->attrib; 992 /* struct security_priv *psecuritypriv =&padapter->securitypriv; */ 993 994 /* if ((psecuritypriv->sw_encrypt)||(pattrib->bswenc)) */ 995 if (pattrib->bswenc) { 996 /* DBG_871X("start xmitframe_swencrypt\n"); */ 997 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("### xmitframe_swencrypt\n")); 998 switch (pattrib->encrypt) { 999 case _WEP40_: 1000 case _WEP104_: 1001 rtw_wep_encrypt(padapter, (u8 *)pxmitframe); 1002 break; 1003 case _TKIP_: 1004 rtw_tkip_encrypt(padapter, (u8 *)pxmitframe); 1005 break; 1006 case _AES_: 1007 rtw_aes_encrypt(padapter, (u8 *)pxmitframe); 1008 break; 1009 default: 1010 break; 1011 } 1012 1013 } else 1014 RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, ("### xmitframe_hwencrypt\n")); 1015 1016 return _SUCCESS; 1017 } 1018 1019 s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr, struct pkt_attrib *pattrib) 1020 { 1021 u16 *qc; 1022 1023 struct ieee80211_hdr *pwlanhdr = (struct ieee80211_hdr *)hdr; 1024 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 1025 struct qos_priv *pqospriv = &pmlmepriv->qospriv; 1026 u8 qos_option = false; 1027 sint res = _SUCCESS; 1028 __le16 *fctrl = &pwlanhdr->frame_control; 1029 1030 memset(hdr, 0, WLANHDR_OFFSET); 1031 1032 SetFrameSubType(fctrl, pattrib->subtype); 1033 1034 if (pattrib->subtype & WIFI_DATA_TYPE) { 1035 if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true)) { 1036 /* to_ds = 1, fr_ds = 0; */ 1037 1038 { 1039 /* 1.Data transfer to AP */ 1040 /* 2.Arp pkt will relayed by AP */ 1041 SetToDs(fctrl); 1042 memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN); 1043 memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN); 1044 memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN); 1045 } 1046 1047 if (pqospriv->qos_option) 1048 qos_option = true; 1049 1050 } else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)) { 1051 /* to_ds = 0, fr_ds = 1; */ 1052 SetFrDs(fctrl); 1053 memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN); 1054 memcpy(pwlanhdr->addr2, get_bssid(pmlmepriv), ETH_ALEN); 1055 memcpy(pwlanhdr->addr3, pattrib->src, ETH_ALEN); 1056 1057 if (pattrib->qos_en) 1058 qos_option = true; 1059 } else if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) || 1060 (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)) { 1061 memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN); 1062 memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN); 1063 memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN); 1064 1065 if (pattrib->qos_en) 1066 qos_option = true; 1067 } else { 1068 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("fw_state:%x is not allowed to xmit frame\n", get_fwstate(pmlmepriv))); 1069 res = _FAIL; 1070 goto exit; 1071 } 1072 1073 if (pattrib->mdata) 1074 SetMData(fctrl); 1075 1076 if (pattrib->encrypt) 1077 SetPrivacy(fctrl); 1078 1079 if (qos_option) { 1080 qc = (unsigned short *)(hdr + pattrib->hdrlen - 2); 1081 1082 if (pattrib->priority) 1083 SetPriority(qc, pattrib->priority); 1084 1085 SetEOSP(qc, pattrib->eosp); 1086 1087 SetAckpolicy(qc, pattrib->ack_policy); 1088 } 1089 1090 /* TODO: fill HT Control Field */ 1091 1092 /* Update Seq Num will be handled by f/w */ 1093 { 1094 struct sta_info *psta; 1095 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); 1096 if (pattrib->psta != psta) { 1097 DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta); 1098 return _FAIL; 1099 } 1100 1101 if (psta == NULL) { 1102 DBG_871X("%s, psta ==NUL\n", __func__); 1103 return _FAIL; 1104 } 1105 1106 if (!(psta->state & _FW_LINKED)) { 1107 DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state); 1108 return _FAIL; 1109 } 1110 1111 1112 if (psta) { 1113 psta->sta_xmitpriv.txseq_tid[pattrib->priority]++; 1114 psta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF; 1115 pattrib->seqnum = psta->sta_xmitpriv.txseq_tid[pattrib->priority]; 1116 1117 SetSeqNum(hdr, pattrib->seqnum); 1118 1119 /* check if enable ampdu */ 1120 if (pattrib->ht_en && psta->htpriv.ampdu_enable) 1121 if (psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority)) 1122 pattrib->ampdu_en = true; 1123 1124 1125 /* re-check if enable ampdu by BA_starting_seqctrl */ 1126 if (pattrib->ampdu_en == true) { 1127 u16 tx_seq; 1128 1129 tx_seq = psta->BA_starting_seqctrl[pattrib->priority & 0x0f]; 1130 1131 /* check BA_starting_seqctrl */ 1132 if (SN_LESS(pattrib->seqnum, tx_seq)) { 1133 /* DBG_871X("tx ampdu seqnum(%d) < tx_seq(%d)\n", pattrib->seqnum, tx_seq); */ 1134 pattrib->ampdu_en = false;/* AGG BK */ 1135 } else if (SN_EQUAL(pattrib->seqnum, tx_seq)) { 1136 psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (tx_seq+1)&0xfff; 1137 1138 pattrib->ampdu_en = true;/* AGG EN */ 1139 } else { 1140 /* DBG_871X("tx ampdu over run\n"); */ 1141 psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (pattrib->seqnum+1)&0xfff; 1142 pattrib->ampdu_en = true;/* AGG EN */ 1143 } 1144 1145 } 1146 } 1147 } 1148 1149 } else { 1150 1151 } 1152 1153 exit: 1154 return res; 1155 } 1156 1157 s32 rtw_txframes_pending(struct adapter *padapter) 1158 { 1159 struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 1160 1161 return ((!list_empty(&pxmitpriv->be_pending.queue)) || 1162 (!list_empty(&pxmitpriv->bk_pending.queue)) || 1163 (!list_empty(&pxmitpriv->vi_pending.queue)) || 1164 (!list_empty(&pxmitpriv->vo_pending.queue))); 1165 } 1166 1167 /* 1168 * Calculate wlan 802.11 packet MAX size from pkt_attrib 1169 * This function doesn't consider fragment case 1170 */ 1171 u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib) 1172 { 1173 u32 len = 0; 1174 1175 len = pattrib->hdrlen + pattrib->iv_len; /* WLAN Header and IV */ 1176 len += SNAP_SIZE + sizeof(u16); /* LLC */ 1177 len += pattrib->pktlen; 1178 if (pattrib->encrypt == _TKIP_) 1179 len += 8; /* MIC */ 1180 len += ((pattrib->bswenc) ? pattrib->icv_len : 0); /* ICV */ 1181 1182 return len; 1183 } 1184 1185 /* 1186 1187 This sub-routine will perform all the following: 1188 1189 1. remove 802.3 header. 1190 2. create wlan_header, based on the info in pxmitframe 1191 3. append sta's iv/ext-iv 1192 4. append LLC 1193 5. move frag chunk from pframe to pxmitframe->mem 1194 6. apply sw-encrypt, if necessary. 1195 1196 */ 1197 s32 rtw_xmitframe_coalesce(struct adapter *padapter, _pkt *pkt, struct xmit_frame *pxmitframe) 1198 { 1199 struct pkt_file pktfile; 1200 1201 s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz; 1202 1203 SIZE_PTR addr; 1204 1205 u8 *pframe, *mem_start; 1206 u8 hw_hdr_offset; 1207 1208 /* struct sta_info *psta; */ 1209 /* struct sta_priv *pstapriv = &padapter->stapriv; */ 1210 /* struct mlme_priv *pmlmepriv = &padapter->mlmepriv; */ 1211 struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 1212 1213 struct pkt_attrib *pattrib = &pxmitframe->attrib; 1214 1215 u8 *pbuf_start; 1216 1217 s32 bmcst = IS_MCAST(pattrib->ra); 1218 s32 res = _SUCCESS; 1219 1220 /* 1221 if (pattrib->psta) 1222 { 1223 psta = pattrib->psta; 1224 } else 1225 { 1226 DBG_871X("%s, call rtw_get_stainfo()\n", __func__); 1227 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); 1228 } 1229 1230 if (psta == NULL) 1231 { 1232 1233 DBG_871X("%s, psta ==NUL\n", __func__); 1234 return _FAIL; 1235 } 1236 1237 1238 if (!(psta->state &_FW_LINKED)) 1239 { 1240 DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state); 1241 return _FAIL; 1242 } 1243 */ 1244 if (pxmitframe->buf_addr == NULL) { 1245 DBG_8192C("==> %s buf_addr == NULL\n", __func__); 1246 return _FAIL; 1247 } 1248 1249 pbuf_start = pxmitframe->buf_addr; 1250 1251 hw_hdr_offset = TXDESC_OFFSET; 1252 mem_start = pbuf_start + hw_hdr_offset; 1253 1254 if (rtw_make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) { 1255 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n")); 1256 DBG_8192C("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n"); 1257 res = _FAIL; 1258 goto exit; 1259 } 1260 1261 _rtw_open_pktfile(pkt, &pktfile); 1262 _rtw_pktfile_read(&pktfile, NULL, pattrib->pkt_hdrlen); 1263 1264 frg_inx = 0; 1265 frg_len = pxmitpriv->frag_len - 4;/* 2346-4 = 2342 */ 1266 1267 while (1) { 1268 llc_sz = 0; 1269 1270 mpdu_len = frg_len; 1271 1272 pframe = mem_start; 1273 1274 SetMFrag(mem_start); 1275 1276 pframe += pattrib->hdrlen; 1277 mpdu_len -= pattrib->hdrlen; 1278 1279 /* adding icv, if necessary... */ 1280 if (pattrib->iv_len) { 1281 memcpy(pframe, pattrib->iv, pattrib->iv_len); 1282 1283 RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, 1284 ("rtw_xmitframe_coalesce: keyid =%d pattrib->iv[3]=%.2x pframe =%.2x %.2x %.2x %.2x\n", 1285 padapter->securitypriv.dot11PrivacyKeyIndex, pattrib->iv[3], *pframe, *(pframe+1), *(pframe+2), *(pframe+3))); 1286 1287 pframe += pattrib->iv_len; 1288 1289 mpdu_len -= pattrib->iv_len; 1290 } 1291 1292 if (frg_inx == 0) { 1293 llc_sz = rtw_put_snap(pframe, pattrib->ether_type); 1294 pframe += llc_sz; 1295 mpdu_len -= llc_sz; 1296 } 1297 1298 if ((pattrib->icv_len > 0) && (pattrib->bswenc)) { 1299 mpdu_len -= pattrib->icv_len; 1300 } 1301 1302 1303 if (bmcst) { 1304 /* don't do fragment to broadcat/multicast packets */ 1305 mem_sz = _rtw_pktfile_read(&pktfile, pframe, pattrib->pktlen); 1306 } else { 1307 mem_sz = _rtw_pktfile_read(&pktfile, pframe, mpdu_len); 1308 } 1309 1310 pframe += mem_sz; 1311 1312 if ((pattrib->icv_len > 0) && (pattrib->bswenc)) { 1313 memcpy(pframe, pattrib->icv, pattrib->icv_len); 1314 pframe += pattrib->icv_len; 1315 } 1316 1317 frg_inx++; 1318 1319 if (bmcst || (rtw_endofpktfile(&pktfile) == true)) { 1320 pattrib->nr_frags = frg_inx; 1321 1322 pattrib->last_txcmdsz = pattrib->hdrlen + pattrib->iv_len + ((pattrib->nr_frags == 1) ? llc_sz:0) + 1323 ((pattrib->bswenc) ? pattrib->icv_len : 0) + mem_sz; 1324 1325 ClearMFrag(mem_start); 1326 1327 break; 1328 } else 1329 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: There're still something in packet!\n", __func__)); 1330 1331 addr = (SIZE_PTR)(pframe); 1332 1333 mem_start = (unsigned char *)RND4(addr) + hw_hdr_offset; 1334 memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen); 1335 1336 } 1337 1338 if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) { 1339 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n")); 1340 DBG_8192C("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n"); 1341 res = _FAIL; 1342 goto exit; 1343 } 1344 1345 xmitframe_swencrypt(padapter, pxmitframe); 1346 1347 if (bmcst == false) 1348 update_attrib_vcs_info(padapter, pxmitframe); 1349 else 1350 pattrib->vcs_mode = NONE_VCS; 1351 1352 exit: 1353 return res; 1354 } 1355 1356 /* broadcast or multicast management pkt use BIP, unicast management pkt use CCMP encryption */ 1357 s32 rtw_mgmt_xmitframe_coalesce(struct adapter *padapter, _pkt *pkt, struct xmit_frame *pxmitframe) 1358 { 1359 u8 *pframe, *mem_start = NULL, *tmp_buf = NULL; 1360 u8 subtype; 1361 struct sta_info *psta = NULL; 1362 struct pkt_attrib *pattrib = &pxmitframe->attrib; 1363 s32 bmcst = IS_MCAST(pattrib->ra); 1364 u8 *BIP_AAD = NULL; 1365 u8 *MGMT_body = NULL; 1366 1367 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1368 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 1369 struct ieee80211_hdr *pwlanhdr; 1370 u8 MME[_MME_IE_LENGTH_]; 1371 u32 ori_len; 1372 mem_start = pframe = (u8 *)(pxmitframe->buf_addr) + TXDESC_OFFSET; 1373 pwlanhdr = (struct ieee80211_hdr *)pframe; 1374 1375 ori_len = BIP_AAD_SIZE+pattrib->pktlen; 1376 tmp_buf = BIP_AAD = rtw_zmalloc(ori_len); 1377 subtype = GetFrameSubType(pframe); /* bit(7)~bit(2) */ 1378 1379 if (BIP_AAD == NULL) 1380 return _FAIL; 1381 1382 spin_lock_bh(&padapter->security_key_mutex); 1383 1384 /* only support station mode */ 1385 if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE) || !check_fwstate(pmlmepriv, _FW_LINKED)) 1386 goto xmitframe_coalesce_success; 1387 1388 /* IGTK key is not install, it may not support 802.11w */ 1389 if (padapter->securitypriv.binstallBIPkey != true) { 1390 DBG_871X("no instll BIP key\n"); 1391 goto xmitframe_coalesce_success; 1392 } 1393 /* station mode doesn't need TX BIP, just ready the code */ 1394 if (bmcst) { 1395 int frame_body_len; 1396 u8 mic[16]; 1397 1398 memset(MME, 0, 18); 1399 1400 /* other types doesn't need the BIP */ 1401 if (GetFrameSubType(pframe) != WIFI_DEAUTH && GetFrameSubType(pframe) != WIFI_DISASSOC) 1402 goto xmitframe_coalesce_fail; 1403 1404 MGMT_body = pframe + sizeof(struct ieee80211_hdr_3addr); 1405 pframe += pattrib->pktlen; 1406 1407 /* octent 0 and 1 is key index , BIP keyid is 4 or 5, LSB only need octent 0 */ 1408 MME[0] = padapter->securitypriv.dot11wBIPKeyid; 1409 /* copy packet number */ 1410 memcpy(&MME[2], &pmlmeext->mgnt_80211w_IPN, 6); 1411 /* increase the packet number */ 1412 pmlmeext->mgnt_80211w_IPN++; 1413 1414 /* add MME IE with MIC all zero, MME string doesn't include element id and length */ 1415 pframe = rtw_set_ie(pframe, _MME_IE_, 16, MME, &(pattrib->pktlen)); 1416 pattrib->last_txcmdsz = pattrib->pktlen; 1417 /* total frame length - header length */ 1418 frame_body_len = pattrib->pktlen - sizeof(struct ieee80211_hdr_3addr); 1419 1420 /* conscruct AAD, copy frame control field */ 1421 memcpy(BIP_AAD, &pwlanhdr->frame_control, 2); 1422 ClearRetry(BIP_AAD); 1423 ClearPwrMgt(BIP_AAD); 1424 ClearMData(BIP_AAD); 1425 /* conscruct AAD, copy address 1 to address 3 */ 1426 memcpy(BIP_AAD+2, pwlanhdr->addr1, 18); 1427 /* copy management fram body */ 1428 memcpy(BIP_AAD+BIP_AAD_SIZE, MGMT_body, frame_body_len); 1429 /* calculate mic */ 1430 if (omac1_aes_128(padapter->securitypriv.dot11wBIPKey[padapter->securitypriv.dot11wBIPKeyid].skey 1431 , BIP_AAD, BIP_AAD_SIZE+frame_body_len, mic)) 1432 goto xmitframe_coalesce_fail; 1433 1434 /* copy right BIP mic value, total is 128bits, we use the 0~63 bits */ 1435 memcpy(pframe-8, mic, 8); 1436 } else { /* unicast mgmt frame TX */ 1437 /* start to encrypt mgmt frame */ 1438 if (subtype == WIFI_DEAUTH || subtype == WIFI_DISASSOC || 1439 subtype == WIFI_REASSOCREQ || subtype == WIFI_ACTION) { 1440 if (pattrib->psta) 1441 psta = pattrib->psta; 1442 else 1443 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); 1444 1445 if (psta == NULL) { 1446 1447 DBG_871X("%s, psta ==NUL\n", __func__); 1448 goto xmitframe_coalesce_fail; 1449 } 1450 1451 if (!(psta->state & _FW_LINKED) || pxmitframe->buf_addr == NULL) { 1452 DBG_871X("%s, not _FW_LINKED or addr null\n", __func__); 1453 goto xmitframe_coalesce_fail; 1454 } 1455 1456 /* DBG_871X("%s, action frame category =%d\n", __func__, pframe[WLAN_HDR_A3_LEN]); */ 1457 /* according 802.11-2012 standard, these five types are not robust types */ 1458 if (subtype == WIFI_ACTION && 1459 (pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_PUBLIC || 1460 pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_HT || 1461 pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_UNPROTECTED_WNM || 1462 pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_SELF_PROTECTED || 1463 pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_P2P)) 1464 goto xmitframe_coalesce_fail; 1465 /* before encrypt dump the management packet content */ 1466 if (pattrib->encrypt > 0) 1467 memcpy(pattrib->dot118021x_UncstKey.skey, psta->dot118021x_UncstKey.skey, 16); 1468 /* bakeup original management packet */ 1469 memcpy(tmp_buf, pframe, pattrib->pktlen); 1470 /* move to data portion */ 1471 pframe += pattrib->hdrlen; 1472 1473 /* 802.11w unicast management packet must be _AES_ */ 1474 pattrib->iv_len = 8; 1475 /* it's MIC of AES */ 1476 pattrib->icv_len = 8; 1477 1478 switch (pattrib->encrypt) { 1479 case _AES_: 1480 /* set AES IV header */ 1481 AES_IV(pattrib->iv, psta->dot11wtxpn, 0); 1482 break; 1483 default: 1484 goto xmitframe_coalesce_fail; 1485 } 1486 /* insert iv header into management frame */ 1487 memcpy(pframe, pattrib->iv, pattrib->iv_len); 1488 pframe += pattrib->iv_len; 1489 /* copy mgmt data portion after CCMP header */ 1490 memcpy(pframe, tmp_buf+pattrib->hdrlen, pattrib->pktlen-pattrib->hdrlen); 1491 /* move pframe to end of mgmt pkt */ 1492 pframe += pattrib->pktlen-pattrib->hdrlen; 1493 /* add 8 bytes CCMP IV header to length */ 1494 pattrib->pktlen += pattrib->iv_len; 1495 if ((pattrib->icv_len > 0) && (pattrib->bswenc)) { 1496 memcpy(pframe, pattrib->icv, pattrib->icv_len); 1497 pframe += pattrib->icv_len; 1498 } 1499 /* add 8 bytes MIC */ 1500 pattrib->pktlen += pattrib->icv_len; 1501 /* set final tx command size */ 1502 pattrib->last_txcmdsz = pattrib->pktlen; 1503 1504 /* set protected bit must be beofre SW encrypt */ 1505 SetPrivacy(mem_start); 1506 /* software encrypt */ 1507 xmitframe_swencrypt(padapter, pxmitframe); 1508 } 1509 } 1510 1511 xmitframe_coalesce_success: 1512 spin_unlock_bh(&padapter->security_key_mutex); 1513 kfree(BIP_AAD); 1514 return _SUCCESS; 1515 1516 xmitframe_coalesce_fail: 1517 spin_unlock_bh(&padapter->security_key_mutex); 1518 kfree(BIP_AAD); 1519 return _FAIL; 1520 } 1521 1522 /* Logical Link Control(LLC) SubNetwork Attachment Point(SNAP) header 1523 * IEEE LLC/SNAP header contains 8 octets 1524 * First 3 octets comprise the LLC portion 1525 * SNAP portion, 5 octets, is divided into two fields: 1526 *Organizationally Unique Identifier(OUI), 3 octets, 1527 *type, defined by that organization, 2 octets. 1528 */ 1529 s32 rtw_put_snap(u8 *data, u16 h_proto) 1530 { 1531 struct ieee80211_snap_hdr *snap; 1532 u8 *oui; 1533 1534 snap = (struct ieee80211_snap_hdr *)data; 1535 snap->dsap = 0xaa; 1536 snap->ssap = 0xaa; 1537 snap->ctrl = 0x03; 1538 1539 if (h_proto == 0x8137 || h_proto == 0x80f3) 1540 oui = P802_1H_OUI; 1541 else 1542 oui = RFC1042_OUI; 1543 1544 snap->oui[0] = oui[0]; 1545 snap->oui[1] = oui[1]; 1546 snap->oui[2] = oui[2]; 1547 1548 *(__be16 *)(data + SNAP_SIZE) = htons(h_proto); 1549 1550 return SNAP_SIZE + sizeof(u16); 1551 } 1552 1553 void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len) 1554 { 1555 1556 uint protection; 1557 u8 *perp; 1558 sint erp_len; 1559 struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 1560 struct registry_priv *pregistrypriv = &padapter->registrypriv; 1561 1562 switch (pxmitpriv->vcs_setting) { 1563 case DISABLE_VCS: 1564 pxmitpriv->vcs = NONE_VCS; 1565 break; 1566 1567 case ENABLE_VCS: 1568 break; 1569 1570 case AUTO_VCS: 1571 default: 1572 perp = rtw_get_ie(ie, _ERPINFO_IE_, &erp_len, ie_len); 1573 if (perp == NULL) 1574 pxmitpriv->vcs = NONE_VCS; 1575 else { 1576 protection = (*(perp + 2)) & BIT(1); 1577 if (protection) { 1578 if (pregistrypriv->vcs_type == RTS_CTS) 1579 pxmitpriv->vcs = RTS_CTS; 1580 else 1581 pxmitpriv->vcs = CTS_TO_SELF; 1582 } else 1583 pxmitpriv->vcs = NONE_VCS; 1584 } 1585 1586 break; 1587 1588 } 1589 } 1590 1591 void rtw_count_tx_stats(struct adapter *padapter, struct xmit_frame *pxmitframe, int sz) 1592 { 1593 struct sta_info *psta = NULL; 1594 struct stainfo_stats *pstats = NULL; 1595 struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 1596 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 1597 u8 pkt_num = 1; 1598 1599 if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) { 1600 pkt_num = pxmitframe->agg_num; 1601 1602 pmlmepriv->LinkDetectInfo.NumTxOkInPeriod += pkt_num; 1603 1604 pxmitpriv->tx_pkts += pkt_num; 1605 1606 pxmitpriv->tx_bytes += sz; 1607 1608 psta = pxmitframe->attrib.psta; 1609 if (psta) { 1610 pstats = &psta->sta_stats; 1611 1612 pstats->tx_pkts += pkt_num; 1613 1614 pstats->tx_bytes += sz; 1615 } 1616 } 1617 } 1618 1619 static struct xmit_buf *__rtw_alloc_cmd_xmitbuf(struct xmit_priv *pxmitpriv, 1620 enum cmdbuf_type buf_type) 1621 { 1622 struct xmit_buf *pxmitbuf = NULL; 1623 1624 pxmitbuf = &pxmitpriv->pcmd_xmitbuf[buf_type]; 1625 if (pxmitbuf != NULL) { 1626 pxmitbuf->priv_data = NULL; 1627 1628 pxmitbuf->len = 0; 1629 pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead; 1630 pxmitbuf->agg_num = 0; 1631 pxmitbuf->pg_num = 0; 1632 1633 if (pxmitbuf->sctx) { 1634 DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__); 1635 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC); 1636 } 1637 } else 1638 DBG_871X("%s fail, no xmitbuf available !!!\n", __func__); 1639 1640 return pxmitbuf; 1641 } 1642 1643 struct xmit_frame *__rtw_alloc_cmdxmitframe(struct xmit_priv *pxmitpriv, 1644 enum cmdbuf_type buf_type) 1645 { 1646 struct xmit_frame *pcmdframe; 1647 struct xmit_buf *pxmitbuf; 1648 1649 pcmdframe = rtw_alloc_xmitframe(pxmitpriv); 1650 if (pcmdframe == NULL) { 1651 DBG_871X("%s, alloc xmitframe fail\n", __func__); 1652 return NULL; 1653 } 1654 1655 pxmitbuf = __rtw_alloc_cmd_xmitbuf(pxmitpriv, buf_type); 1656 if (pxmitbuf == NULL) { 1657 DBG_871X("%s, alloc xmitbuf fail\n", __func__); 1658 rtw_free_xmitframe(pxmitpriv, pcmdframe); 1659 return NULL; 1660 } 1661 1662 pcmdframe->frame_tag = MGNT_FRAMETAG; 1663 1664 pcmdframe->pxmitbuf = pxmitbuf; 1665 1666 pcmdframe->buf_addr = pxmitbuf->pbuf; 1667 1668 pxmitbuf->priv_data = pcmdframe; 1669 1670 return pcmdframe; 1671 1672 } 1673 1674 struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv) 1675 { 1676 _irqL irqL; 1677 struct xmit_buf *pxmitbuf = NULL; 1678 struct list_head *plist, *phead; 1679 struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue; 1680 1681 spin_lock_irqsave(&pfree_queue->lock, irqL); 1682 1683 if (list_empty(&pfree_queue->queue)) { 1684 pxmitbuf = NULL; 1685 } else { 1686 1687 phead = get_list_head(pfree_queue); 1688 1689 plist = get_next(phead); 1690 1691 pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list); 1692 1693 list_del_init(&(pxmitbuf->list)); 1694 } 1695 1696 if (pxmitbuf != NULL) { 1697 pxmitpriv->free_xmit_extbuf_cnt--; 1698 #ifdef DBG_XMIT_BUF_EXT 1699 DBG_871X("DBG_XMIT_BUF_EXT ALLOC no =%d, free_xmit_extbuf_cnt =%d\n", pxmitbuf->no, pxmitpriv->free_xmit_extbuf_cnt); 1700 #endif 1701 1702 1703 pxmitbuf->priv_data = NULL; 1704 1705 pxmitbuf->len = 0; 1706 pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead; 1707 pxmitbuf->agg_num = 1; 1708 1709 if (pxmitbuf->sctx) { 1710 DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__); 1711 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC); 1712 } 1713 1714 } 1715 1716 spin_unlock_irqrestore(&pfree_queue->lock, irqL); 1717 1718 return pxmitbuf; 1719 } 1720 1721 s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) 1722 { 1723 _irqL irqL; 1724 struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue; 1725 1726 if (pxmitbuf == NULL) 1727 return _FAIL; 1728 1729 spin_lock_irqsave(&pfree_queue->lock, irqL); 1730 1731 list_del_init(&pxmitbuf->list); 1732 1733 list_add_tail(&(pxmitbuf->list), get_list_head(pfree_queue)); 1734 pxmitpriv->free_xmit_extbuf_cnt++; 1735 #ifdef DBG_XMIT_BUF_EXT 1736 DBG_871X("DBG_XMIT_BUF_EXT FREE no =%d, free_xmit_extbuf_cnt =%d\n", pxmitbuf->no, pxmitpriv->free_xmit_extbuf_cnt); 1737 #endif 1738 1739 spin_unlock_irqrestore(&pfree_queue->lock, irqL); 1740 1741 return _SUCCESS; 1742 } 1743 1744 struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv) 1745 { 1746 _irqL irqL; 1747 struct xmit_buf *pxmitbuf = NULL; 1748 struct list_head *plist, *phead; 1749 struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue; 1750 1751 /* DBG_871X("+rtw_alloc_xmitbuf\n"); */ 1752 1753 spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL); 1754 1755 if (list_empty(&pfree_xmitbuf_queue->queue)) { 1756 pxmitbuf = NULL; 1757 } else { 1758 1759 phead = get_list_head(pfree_xmitbuf_queue); 1760 1761 plist = get_next(phead); 1762 1763 pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list); 1764 1765 list_del_init(&(pxmitbuf->list)); 1766 } 1767 1768 if (pxmitbuf != NULL) { 1769 pxmitpriv->free_xmitbuf_cnt--; 1770 #ifdef DBG_XMIT_BUF 1771 DBG_871X("DBG_XMIT_BUF ALLOC no =%d, free_xmitbuf_cnt =%d\n", pxmitbuf->no, pxmitpriv->free_xmitbuf_cnt); 1772 #endif 1773 /* DBG_871X("alloc, free_xmitbuf_cnt =%d\n", pxmitpriv->free_xmitbuf_cnt); */ 1774 1775 pxmitbuf->priv_data = NULL; 1776 1777 pxmitbuf->len = 0; 1778 pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead; 1779 pxmitbuf->agg_num = 0; 1780 pxmitbuf->pg_num = 0; 1781 1782 if (pxmitbuf->sctx) { 1783 DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__); 1784 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC); 1785 } 1786 } 1787 #ifdef DBG_XMIT_BUF 1788 else 1789 DBG_871X("DBG_XMIT_BUF rtw_alloc_xmitbuf return NULL\n"); 1790 #endif 1791 1792 spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irqL); 1793 1794 return pxmitbuf; 1795 } 1796 1797 s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) 1798 { 1799 _irqL irqL; 1800 struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue; 1801 1802 /* DBG_871X("+rtw_free_xmitbuf\n"); */ 1803 1804 if (pxmitbuf == NULL) 1805 return _FAIL; 1806 1807 if (pxmitbuf->sctx) { 1808 DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__); 1809 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE); 1810 } 1811 1812 if (pxmitbuf->buf_tag == XMITBUF_CMD) { 1813 } else if (pxmitbuf->buf_tag == XMITBUF_MGNT) { 1814 rtw_free_xmitbuf_ext(pxmitpriv, pxmitbuf); 1815 } else { 1816 spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL); 1817 1818 list_del_init(&pxmitbuf->list); 1819 1820 list_add_tail(&(pxmitbuf->list), get_list_head(pfree_xmitbuf_queue)); 1821 1822 pxmitpriv->free_xmitbuf_cnt++; 1823 /* DBG_871X("FREE, free_xmitbuf_cnt =%d\n", pxmitpriv->free_xmitbuf_cnt); */ 1824 #ifdef DBG_XMIT_BUF 1825 DBG_871X("DBG_XMIT_BUF FREE no =%d, free_xmitbuf_cnt =%d\n", pxmitbuf->no, pxmitpriv->free_xmitbuf_cnt); 1826 #endif 1827 spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irqL); 1828 } 1829 return _SUCCESS; 1830 } 1831 1832 static void rtw_init_xmitframe(struct xmit_frame *pxframe) 1833 { 1834 if (pxframe != NULL) { /* default value setting */ 1835 pxframe->buf_addr = NULL; 1836 pxframe->pxmitbuf = NULL; 1837 1838 memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib)); 1839 /* pxframe->attrib.psta = NULL; */ 1840 1841 pxframe->frame_tag = DATA_FRAMETAG; 1842 1843 pxframe->pg_num = 1; 1844 pxframe->agg_num = 1; 1845 pxframe->ack_report = 0; 1846 } 1847 } 1848 1849 /* 1850 Calling context: 1851 1. OS_TXENTRY 1852 2. RXENTRY (rx_thread or RX_ISR/RX_CallBack) 1853 1854 If we turn on USE_RXTHREAD, then, no need for critical section. 1855 Otherwise, we must use _enter/_exit critical to protect free_xmit_queue... 1856 1857 Must be very very cautious... 1858 1859 */ 1860 struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv)/* _queue *pfree_xmit_queue) */ 1861 { 1862 /* 1863 Please remember to use all the osdep_service api, 1864 and lock/unlock or _enter/_exit critical to protect 1865 pfree_xmit_queue 1866 */ 1867 1868 struct xmit_frame *pxframe = NULL; 1869 struct list_head *plist, *phead; 1870 struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue; 1871 1872 spin_lock_bh(&pfree_xmit_queue->lock); 1873 1874 if (list_empty(&pfree_xmit_queue->queue)) { 1875 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe:%d\n", pxmitpriv->free_xmitframe_cnt)); 1876 pxframe = NULL; 1877 } else { 1878 phead = get_list_head(pfree_xmit_queue); 1879 1880 plist = get_next(phead); 1881 1882 pxframe = LIST_CONTAINOR(plist, struct xmit_frame, list); 1883 1884 list_del_init(&(pxframe->list)); 1885 pxmitpriv->free_xmitframe_cnt--; 1886 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe():free_xmitframe_cnt =%d\n", pxmitpriv->free_xmitframe_cnt)); 1887 } 1888 1889 spin_unlock_bh(&pfree_xmit_queue->lock); 1890 1891 rtw_init_xmitframe(pxframe); 1892 return pxframe; 1893 } 1894 1895 struct xmit_frame *rtw_alloc_xmitframe_ext(struct xmit_priv *pxmitpriv) 1896 { 1897 struct xmit_frame *pxframe = NULL; 1898 struct list_head *plist, *phead; 1899 struct __queue *queue = &pxmitpriv->free_xframe_ext_queue; 1900 1901 spin_lock_bh(&queue->lock); 1902 1903 if (list_empty(&queue->queue)) { 1904 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe_ext:%d\n", pxmitpriv->free_xframe_ext_cnt)); 1905 pxframe = NULL; 1906 } else { 1907 phead = get_list_head(queue); 1908 plist = get_next(phead); 1909 pxframe = LIST_CONTAINOR(plist, struct xmit_frame, list); 1910 1911 list_del_init(&(pxframe->list)); 1912 pxmitpriv->free_xframe_ext_cnt--; 1913 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe_ext():free_xmitframe_cnt =%d\n", pxmitpriv->free_xframe_ext_cnt)); 1914 } 1915 1916 spin_unlock_bh(&queue->lock); 1917 1918 rtw_init_xmitframe(pxframe); 1919 1920 return pxframe; 1921 } 1922 1923 struct xmit_frame *rtw_alloc_xmitframe_once(struct xmit_priv *pxmitpriv) 1924 { 1925 struct xmit_frame *pxframe = NULL; 1926 u8 *alloc_addr; 1927 1928 alloc_addr = rtw_zmalloc(sizeof(struct xmit_frame) + 4); 1929 1930 if (alloc_addr == NULL) 1931 goto exit; 1932 1933 pxframe = (struct xmit_frame *)N_BYTE_ALIGMENT((SIZE_PTR)(alloc_addr), 4); 1934 pxframe->alloc_addr = alloc_addr; 1935 1936 pxframe->padapter = pxmitpriv->adapter; 1937 pxframe->frame_tag = NULL_FRAMETAG; 1938 1939 pxframe->pkt = NULL; 1940 1941 pxframe->buf_addr = NULL; 1942 pxframe->pxmitbuf = NULL; 1943 1944 rtw_init_xmitframe(pxframe); 1945 1946 DBG_871X("################## %s ##################\n", __func__); 1947 1948 exit: 1949 return pxframe; 1950 } 1951 1952 s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe) 1953 { 1954 struct __queue *queue = NULL; 1955 struct adapter *padapter = pxmitpriv->adapter; 1956 _pkt *pndis_pkt = NULL; 1957 1958 if (pxmitframe == NULL) { 1959 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("======rtw_free_xmitframe():pxmitframe == NULL!!!!!!!!!!\n")); 1960 goto exit; 1961 } 1962 1963 if (pxmitframe->pkt) { 1964 pndis_pkt = pxmitframe->pkt; 1965 pxmitframe->pkt = NULL; 1966 } 1967 1968 if (pxmitframe->alloc_addr) { 1969 DBG_871X("################## %s with alloc_addr ##################\n", __func__); 1970 kfree(pxmitframe->alloc_addr); 1971 goto check_pkt_complete; 1972 } 1973 1974 if (pxmitframe->ext_tag == 0) 1975 queue = &pxmitpriv->free_xmit_queue; 1976 else if (pxmitframe->ext_tag == 1) 1977 queue = &pxmitpriv->free_xframe_ext_queue; 1978 else { 1979 1980 } 1981 1982 spin_lock_bh(&queue->lock); 1983 1984 list_del_init(&pxmitframe->list); 1985 list_add_tail(&pxmitframe->list, get_list_head(queue)); 1986 if (pxmitframe->ext_tag == 0) { 1987 pxmitpriv->free_xmitframe_cnt++; 1988 RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe():free_xmitframe_cnt =%d\n", pxmitpriv->free_xmitframe_cnt)); 1989 } else if (pxmitframe->ext_tag == 1) { 1990 pxmitpriv->free_xframe_ext_cnt++; 1991 RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe():free_xframe_ext_cnt =%d\n", pxmitpriv->free_xframe_ext_cnt)); 1992 } else { 1993 } 1994 1995 spin_unlock_bh(&queue->lock); 1996 1997 check_pkt_complete: 1998 1999 if (pndis_pkt) 2000 rtw_os_pkt_complete(padapter, pndis_pkt); 2001 2002 exit: 2003 return _SUCCESS; 2004 } 2005 2006 void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pframequeue) 2007 { 2008 struct list_head *plist, *phead; 2009 struct xmit_frame *pxmitframe; 2010 2011 spin_lock_bh(&(pframequeue->lock)); 2012 2013 phead = get_list_head(pframequeue); 2014 plist = get_next(phead); 2015 2016 while (phead != plist) { 2017 2018 pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list); 2019 2020 plist = get_next(plist); 2021 2022 rtw_free_xmitframe(pxmitpriv, pxmitframe); 2023 2024 } 2025 spin_unlock_bh(&(pframequeue->lock)); 2026 } 2027 2028 s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitframe) 2029 { 2030 DBG_COUNTER(padapter->tx_logs.core_tx_enqueue); 2031 if (rtw_xmit_classifier(padapter, pxmitframe) == _FAIL) { 2032 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, 2033 ("rtw_xmitframe_enqueue: drop xmit pkt for classifier fail\n")); 2034 /* pxmitframe->pkt = NULL; */ 2035 return _FAIL; 2036 } 2037 2038 return _SUCCESS; 2039 } 2040 2041 struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *psta, sint up, u8 *ac) 2042 { 2043 struct tx_servq *ptxservq = NULL; 2044 2045 switch (up) { 2046 case 1: 2047 case 2: 2048 ptxservq = &(psta->sta_xmitpriv.bk_q); 2049 *(ac) = 3; 2050 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BK\n")); 2051 break; 2052 2053 case 4: 2054 case 5: 2055 ptxservq = &(psta->sta_xmitpriv.vi_q); 2056 *(ac) = 1; 2057 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VI\n")); 2058 break; 2059 2060 case 6: 2061 case 7: 2062 ptxservq = &(psta->sta_xmitpriv.vo_q); 2063 *(ac) = 0; 2064 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VO\n")); 2065 break; 2066 2067 case 0: 2068 case 3: 2069 default: 2070 ptxservq = &(psta->sta_xmitpriv.be_q); 2071 *(ac) = 2; 2072 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BE\n")); 2073 break; 2074 2075 } 2076 2077 return ptxservq; 2078 } 2079 2080 /* 2081 * Will enqueue pxmitframe to the proper queue, 2082 * and indicate it to xx_pending list..... 2083 */ 2084 s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe) 2085 { 2086 /* _irqL irqL0; */ 2087 u8 ac_index; 2088 struct sta_info *psta; 2089 struct tx_servq *ptxservq; 2090 struct pkt_attrib *pattrib = &pxmitframe->attrib; 2091 struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits; 2092 sint res = _SUCCESS; 2093 2094 DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class); 2095 2096 /* 2097 if (pattrib->psta) { 2098 psta = pattrib->psta; 2099 } else { 2100 DBG_871X("%s, call rtw_get_stainfo()\n", __func__); 2101 psta = rtw_get_stainfo(pstapriv, pattrib->ra); 2102 } 2103 */ 2104 2105 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); 2106 if (pattrib->psta != psta) { 2107 DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class_err_sta); 2108 DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta); 2109 return _FAIL; 2110 } 2111 2112 if (psta == NULL) { 2113 DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class_err_nosta); 2114 res = _FAIL; 2115 DBG_8192C("rtw_xmit_classifier: psta == NULL\n"); 2116 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmit_classifier: psta == NULL\n")); 2117 goto exit; 2118 } 2119 2120 if (!(psta->state & _FW_LINKED)) { 2121 DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class_err_fwlink); 2122 DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state); 2123 return _FAIL; 2124 } 2125 2126 ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index)); 2127 2128 /* spin_lock_irqsave(&pstapending->lock, irqL0); */ 2129 2130 if (list_empty(&ptxservq->tx_pending)) { 2131 list_add_tail(&ptxservq->tx_pending, get_list_head(phwxmits[ac_index].sta_queue)); 2132 } 2133 2134 /* spin_lock_irqsave(&ptxservq->sta_pending.lock, irqL1); */ 2135 2136 list_add_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending)); 2137 ptxservq->qcnt++; 2138 phwxmits[ac_index].accnt++; 2139 2140 /* spin_unlock_irqrestore(&ptxservq->sta_pending.lock, irqL1); */ 2141 2142 /* spin_unlock_irqrestore(&pstapending->lock, irqL0); */ 2143 2144 exit: 2145 2146 return res; 2147 } 2148 2149 s32 rtw_alloc_hwxmits(struct adapter *padapter) 2150 { 2151 struct hw_xmit *hwxmits; 2152 struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 2153 2154 pxmitpriv->hwxmit_entry = HWXMIT_ENTRY; 2155 2156 pxmitpriv->hwxmits = NULL; 2157 2158 pxmitpriv->hwxmits = rtw_zmalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry); 2159 2160 if (!pxmitpriv->hwxmits) 2161 return _FAIL; 2162 2163 hwxmits = pxmitpriv->hwxmits; 2164 2165 if (pxmitpriv->hwxmit_entry == 5) { 2166 /* pxmitpriv->bmc_txqueue.head = 0; */ 2167 /* hwxmits[0] .phwtxqueue = &pxmitpriv->bmc_txqueue; */ 2168 hwxmits[0] .sta_queue = &pxmitpriv->bm_pending; 2169 2170 /* pxmitpriv->vo_txqueue.head = 0; */ 2171 /* hwxmits[1] .phwtxqueue = &pxmitpriv->vo_txqueue; */ 2172 hwxmits[1] .sta_queue = &pxmitpriv->vo_pending; 2173 2174 /* pxmitpriv->vi_txqueue.head = 0; */ 2175 /* hwxmits[2] .phwtxqueue = &pxmitpriv->vi_txqueue; */ 2176 hwxmits[2] .sta_queue = &pxmitpriv->vi_pending; 2177 2178 /* pxmitpriv->bk_txqueue.head = 0; */ 2179 /* hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue; */ 2180 hwxmits[3] .sta_queue = &pxmitpriv->bk_pending; 2181 2182 /* pxmitpriv->be_txqueue.head = 0; */ 2183 /* hwxmits[4] .phwtxqueue = &pxmitpriv->be_txqueue; */ 2184 hwxmits[4] .sta_queue = &pxmitpriv->be_pending; 2185 2186 } else if (pxmitpriv->hwxmit_entry == 4) { 2187 2188 /* pxmitpriv->vo_txqueue.head = 0; */ 2189 /* hwxmits[0] .phwtxqueue = &pxmitpriv->vo_txqueue; */ 2190 hwxmits[0] .sta_queue = &pxmitpriv->vo_pending; 2191 2192 /* pxmitpriv->vi_txqueue.head = 0; */ 2193 /* hwxmits[1] .phwtxqueue = &pxmitpriv->vi_txqueue; */ 2194 hwxmits[1] .sta_queue = &pxmitpriv->vi_pending; 2195 2196 /* pxmitpriv->be_txqueue.head = 0; */ 2197 /* hwxmits[2] .phwtxqueue = &pxmitpriv->be_txqueue; */ 2198 hwxmits[2] .sta_queue = &pxmitpriv->be_pending; 2199 2200 /* pxmitpriv->bk_txqueue.head = 0; */ 2201 /* hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue; */ 2202 hwxmits[3] .sta_queue = &pxmitpriv->bk_pending; 2203 } else { 2204 2205 } 2206 2207 return _SUCCESS; 2208 } 2209 2210 void rtw_free_hwxmits(struct adapter *padapter) 2211 { 2212 struct hw_xmit *hwxmits; 2213 struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 2214 2215 hwxmits = pxmitpriv->hwxmits; 2216 if (hwxmits) 2217 kfree((u8 *)hwxmits); 2218 } 2219 2220 void rtw_init_hwxmits(struct hw_xmit *phwxmit, sint entry) 2221 { 2222 sint i; 2223 2224 for (i = 0; i < entry; i++, phwxmit++) { 2225 /* spin_lock_init(&phwxmit->xmit_lock); */ 2226 /* INIT_LIST_HEAD(&phwxmit->pending); */ 2227 /* phwxmit->txcmdcnt = 0; */ 2228 phwxmit->accnt = 0; 2229 } 2230 } 2231 2232 u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe) 2233 { 2234 u32 addr; 2235 struct pkt_attrib *pattrib = &pxmitframe->attrib; 2236 2237 switch (pattrib->qsel) { 2238 case 0: 2239 case 3: 2240 addr = BE_QUEUE_INX; 2241 break; 2242 case 1: 2243 case 2: 2244 addr = BK_QUEUE_INX; 2245 break; 2246 case 4: 2247 case 5: 2248 addr = VI_QUEUE_INX; 2249 break; 2250 case 6: 2251 case 7: 2252 addr = VO_QUEUE_INX; 2253 break; 2254 case 0x10: 2255 addr = BCN_QUEUE_INX; 2256 break; 2257 case 0x11:/* BC/MC in PS (HIQ) */ 2258 addr = HIGH_QUEUE_INX; 2259 break; 2260 case 0x12: 2261 default: 2262 addr = MGT_QUEUE_INX; 2263 break; 2264 2265 } 2266 2267 return addr; 2268 2269 } 2270 2271 static void do_queue_select(struct adapter *padapter, struct pkt_attrib *pattrib) 2272 { 2273 u8 qsel; 2274 2275 qsel = pattrib->priority; 2276 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("### do_queue_select priority =%d , qsel = %d\n", pattrib->priority, qsel)); 2277 2278 pattrib->qsel = qsel; 2279 } 2280 2281 /* 2282 * The main transmit(tx) entry 2283 * 2284 * Return 2285 *1 enqueue 2286 *0 success, hardware will handle this xmit frame(packet) 2287 *<0 fail 2288 */ 2289 s32 rtw_xmit(struct adapter *padapter, _pkt **ppkt) 2290 { 2291 static unsigned long start; 2292 static u32 drop_cnt; 2293 2294 struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 2295 struct xmit_frame *pxmitframe = NULL; 2296 2297 s32 res; 2298 2299 DBG_COUNTER(padapter->tx_logs.core_tx); 2300 2301 if (start == 0) 2302 start = jiffies; 2303 2304 pxmitframe = rtw_alloc_xmitframe(pxmitpriv); 2305 2306 if (jiffies_to_msecs(jiffies - start) > 2000) { 2307 if (drop_cnt) 2308 DBG_871X("DBG_TX_DROP_FRAME %s no more pxmitframe, drop_cnt:%u\n", __func__, drop_cnt); 2309 start = jiffies; 2310 drop_cnt = 0; 2311 } 2312 2313 if (pxmitframe == NULL) { 2314 drop_cnt++; 2315 RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: no more pxmitframe\n")); 2316 DBG_COUNTER(padapter->tx_logs.core_tx_err_pxmitframe); 2317 return -1; 2318 } 2319 2320 res = update_attrib(padapter, *ppkt, &pxmitframe->attrib); 2321 2322 if (res == _FAIL) { 2323 RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: update attrib fail\n")); 2324 #ifdef DBG_TX_DROP_FRAME 2325 DBG_871X("DBG_TX_DROP_FRAME %s update attrib fail\n", __func__); 2326 #endif 2327 rtw_free_xmitframe(pxmitpriv, pxmitframe); 2328 return -1; 2329 } 2330 pxmitframe->pkt = *ppkt; 2331 2332 do_queue_select(padapter, &pxmitframe->attrib); 2333 2334 spin_lock_bh(&pxmitpriv->lock); 2335 if (xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe) == true) { 2336 spin_unlock_bh(&pxmitpriv->lock); 2337 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue); 2338 return 1; 2339 } 2340 spin_unlock_bh(&pxmitpriv->lock); 2341 2342 /* pre_xmitframe */ 2343 if (rtw_hal_xmit(padapter, pxmitframe) == false) 2344 return 1; 2345 2346 return 0; 2347 } 2348 2349 #define RTW_HIQ_FILTER_ALLOW_ALL 0 2350 #define RTW_HIQ_FILTER_ALLOW_SPECIAL 1 2351 #define RTW_HIQ_FILTER_DENY_ALL 2 2352 2353 inline bool xmitframe_hiq_filter(struct xmit_frame *xmitframe) 2354 { 2355 bool allow = false; 2356 struct adapter *adapter = xmitframe->padapter; 2357 struct registry_priv *registry = &adapter->registrypriv; 2358 2359 if (registry->hiq_filter == RTW_HIQ_FILTER_ALLOW_SPECIAL) { 2360 2361 struct pkt_attrib *attrib = &xmitframe->attrib; 2362 2363 if (attrib->ether_type == 0x0806 2364 || attrib->ether_type == 0x888e 2365 || attrib->dhcp_pkt 2366 ) { 2367 DBG_871X(FUNC_ADPT_FMT" ether_type:0x%04x%s\n", FUNC_ADPT_ARG(xmitframe->padapter) 2368 , attrib->ether_type, attrib->dhcp_pkt?" DHCP":""); 2369 allow = true; 2370 } 2371 } else if (registry->hiq_filter == RTW_HIQ_FILTER_ALLOW_ALL) 2372 allow = true; 2373 else if (registry->hiq_filter == RTW_HIQ_FILTER_DENY_ALL) { 2374 } else 2375 rtw_warn_on(1); 2376 2377 return allow; 2378 } 2379 2380 sint xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe) 2381 { 2382 sint ret = false; 2383 struct sta_info *psta = NULL; 2384 struct sta_priv *pstapriv = &padapter->stapriv; 2385 struct pkt_attrib *pattrib = &pxmitframe->attrib; 2386 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 2387 sint bmcst = IS_MCAST(pattrib->ra); 2388 bool update_tim = false; 2389 2390 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == false) { 2391 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_fwstate); 2392 return ret; 2393 } 2394 /* 2395 if (pattrib->psta) 2396 { 2397 psta = pattrib->psta; 2398 } 2399 else 2400 { 2401 DBG_871X("%s, call rtw_get_stainfo()\n", __func__); 2402 psta =rtw_get_stainfo(pstapriv, pattrib->ra); 2403 } 2404 */ 2405 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); 2406 if (pattrib->psta != psta) { 2407 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_sta); 2408 DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta); 2409 return false; 2410 } 2411 2412 if (psta == NULL) { 2413 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_nosta); 2414 DBG_871X("%s, psta ==NUL\n", __func__); 2415 return false; 2416 } 2417 2418 if (!(psta->state & _FW_LINKED)) { 2419 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_link); 2420 DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state); 2421 return false; 2422 } 2423 2424 if (pattrib->triggered == 1) { 2425 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_trigger); 2426 /* DBG_871X("directly xmit pspoll_triggered packet\n"); */ 2427 2428 /* pattrib->triggered = 0; */ 2429 if (bmcst && xmitframe_hiq_filter(pxmitframe) == true) 2430 pattrib->qsel = 0x11;/* HIQ */ 2431 2432 return ret; 2433 } 2434 2435 2436 if (bmcst) { 2437 spin_lock_bh(&psta->sleep_q.lock); 2438 2439 if (pstapriv->sta_dz_bitmap) { /* if anyone sta is in ps mode */ 2440 /* pattrib->qsel = 0x11;HIQ */ 2441 2442 list_del_init(&pxmitframe->list); 2443 2444 /* spin_lock_bh(&psta->sleep_q.lock); */ 2445 2446 list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q)); 2447 2448 psta->sleepq_len++; 2449 2450 if (!(pstapriv->tim_bitmap & BIT(0))) 2451 update_tim = true; 2452 2453 pstapriv->tim_bitmap |= BIT(0);/* */ 2454 pstapriv->sta_dz_bitmap |= BIT(0); 2455 2456 /* DBG_871X("enqueue, sq_len =%d, tim =%x\n", psta->sleepq_len, pstapriv->tim_bitmap); */ 2457 2458 if (update_tim == true) { 2459 update_beacon(padapter, _TIM_IE_, NULL, true); 2460 } else { 2461 chk_bmc_sleepq_cmd(padapter); 2462 } 2463 2464 /* spin_unlock_bh(&psta->sleep_q.lock); */ 2465 2466 ret = true; 2467 2468 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_mcast); 2469 2470 } 2471 2472 spin_unlock_bh(&psta->sleep_q.lock); 2473 2474 return ret; 2475 2476 } 2477 2478 2479 spin_lock_bh(&psta->sleep_q.lock); 2480 2481 if (psta->state&WIFI_SLEEP_STATE) { 2482 u8 wmmps_ac = 0; 2483 2484 if (pstapriv->sta_dz_bitmap & BIT(psta->aid)) { 2485 list_del_init(&pxmitframe->list); 2486 2487 /* spin_lock_bh(&psta->sleep_q.lock); */ 2488 2489 list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q)); 2490 2491 psta->sleepq_len++; 2492 2493 switch (pattrib->priority) { 2494 case 1: 2495 case 2: 2496 wmmps_ac = psta->uapsd_bk&BIT(0); 2497 break; 2498 case 4: 2499 case 5: 2500 wmmps_ac = psta->uapsd_vi&BIT(0); 2501 break; 2502 case 6: 2503 case 7: 2504 wmmps_ac = psta->uapsd_vo&BIT(0); 2505 break; 2506 case 0: 2507 case 3: 2508 default: 2509 wmmps_ac = psta->uapsd_be&BIT(0); 2510 break; 2511 } 2512 2513 if (wmmps_ac) 2514 psta->sleepq_ac_len++; 2515 2516 if (((psta->has_legacy_ac) && (!wmmps_ac)) || ((!psta->has_legacy_ac) && (wmmps_ac))) { 2517 if (!(pstapriv->tim_bitmap & BIT(psta->aid))) 2518 update_tim = true; 2519 2520 pstapriv->tim_bitmap |= BIT(psta->aid); 2521 2522 /* DBG_871X("enqueue, sq_len =%d, tim =%x\n", psta->sleepq_len, pstapriv->tim_bitmap); */ 2523 2524 if (update_tim == true) 2525 /* DBG_871X("sleepq_len == 1, update BCNTIM\n"); */ 2526 /* upate BCN for TIM IE */ 2527 update_beacon(padapter, _TIM_IE_, NULL, true); 2528 } 2529 2530 /* spin_unlock_bh(&psta->sleep_q.lock); */ 2531 2532 /* if (psta->sleepq_len > (NR_XMITFRAME>>3)) */ 2533 /* */ 2534 /* wakeup_sta_to_xmit(padapter, psta); */ 2535 /* */ 2536 2537 ret = true; 2538 2539 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_ucast); 2540 } 2541 2542 } 2543 2544 spin_unlock_bh(&psta->sleep_q.lock); 2545 2546 return ret; 2547 2548 } 2549 2550 static void dequeue_xmitframes_to_sleeping_queue(struct adapter *padapter, struct sta_info *psta, struct __queue *pframequeue) 2551 { 2552 sint ret; 2553 struct list_head *plist, *phead; 2554 u8 ac_index; 2555 struct tx_servq *ptxservq; 2556 struct pkt_attrib *pattrib; 2557 struct xmit_frame *pxmitframe; 2558 struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits; 2559 2560 phead = get_list_head(pframequeue); 2561 plist = get_next(phead); 2562 2563 while (phead != plist) { 2564 pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list); 2565 2566 plist = get_next(plist); 2567 2568 pattrib = &pxmitframe->attrib; 2569 2570 pattrib->triggered = 0; 2571 2572 ret = xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe); 2573 2574 if (true == ret) { 2575 ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index)); 2576 2577 ptxservq->qcnt--; 2578 phwxmits[ac_index].accnt--; 2579 } else { 2580 /* DBG_871X("xmitframe_enqueue_for_sleeping_sta return false\n"); */ 2581 } 2582 2583 } 2584 2585 } 2586 2587 void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta) 2588 { 2589 struct sta_info *psta_bmc; 2590 struct sta_xmit_priv *pstaxmitpriv; 2591 struct sta_priv *pstapriv = &padapter->stapriv; 2592 struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 2593 2594 pstaxmitpriv = &psta->sta_xmitpriv; 2595 2596 /* for BC/MC Frames */ 2597 psta_bmc = rtw_get_bcmc_stainfo(padapter); 2598 2599 2600 spin_lock_bh(&pxmitpriv->lock); 2601 2602 psta->state |= WIFI_SLEEP_STATE; 2603 2604 pstapriv->sta_dz_bitmap |= BIT(psta->aid); 2605 2606 2607 2608 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vo_q.sta_pending); 2609 list_del_init(&(pstaxmitpriv->vo_q.tx_pending)); 2610 2611 2612 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending); 2613 list_del_init(&(pstaxmitpriv->vi_q.tx_pending)); 2614 2615 2616 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->be_q.sta_pending); 2617 list_del_init(&(pstaxmitpriv->be_q.tx_pending)); 2618 2619 2620 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->bk_q.sta_pending); 2621 list_del_init(&(pstaxmitpriv->bk_q.tx_pending)); 2622 2623 /* for BC/MC Frames */ 2624 pstaxmitpriv = &psta_bmc->sta_xmitpriv; 2625 dequeue_xmitframes_to_sleeping_queue(padapter, psta_bmc, &pstaxmitpriv->be_q.sta_pending); 2626 list_del_init(&(pstaxmitpriv->be_q.tx_pending)); 2627 2628 spin_unlock_bh(&pxmitpriv->lock); 2629 } 2630 2631 void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta) 2632 { 2633 u8 update_mask = 0, wmmps_ac = 0; 2634 struct sta_info *psta_bmc; 2635 struct list_head *xmitframe_plist, *xmitframe_phead; 2636 struct xmit_frame *pxmitframe = NULL; 2637 struct sta_priv *pstapriv = &padapter->stapriv; 2638 struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 2639 2640 psta_bmc = rtw_get_bcmc_stainfo(padapter); 2641 2642 2643 /* spin_lock_bh(&psta->sleep_q.lock); */ 2644 spin_lock_bh(&pxmitpriv->lock); 2645 2646 xmitframe_phead = get_list_head(&psta->sleep_q); 2647 xmitframe_plist = get_next(xmitframe_phead); 2648 2649 while (xmitframe_phead != xmitframe_plist) { 2650 pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); 2651 2652 xmitframe_plist = get_next(xmitframe_plist); 2653 2654 list_del_init(&pxmitframe->list); 2655 2656 switch (pxmitframe->attrib.priority) { 2657 case 1: 2658 case 2: 2659 wmmps_ac = psta->uapsd_bk&BIT(1); 2660 break; 2661 case 4: 2662 case 5: 2663 wmmps_ac = psta->uapsd_vi&BIT(1); 2664 break; 2665 case 6: 2666 case 7: 2667 wmmps_ac = psta->uapsd_vo&BIT(1); 2668 break; 2669 case 0: 2670 case 3: 2671 default: 2672 wmmps_ac = psta->uapsd_be&BIT(1); 2673 break; 2674 } 2675 2676 psta->sleepq_len--; 2677 if (psta->sleepq_len > 0) 2678 pxmitframe->attrib.mdata = 1; 2679 else 2680 pxmitframe->attrib.mdata = 0; 2681 2682 if (wmmps_ac) { 2683 psta->sleepq_ac_len--; 2684 if (psta->sleepq_ac_len > 0) { 2685 pxmitframe->attrib.mdata = 1; 2686 pxmitframe->attrib.eosp = 0; 2687 } else { 2688 pxmitframe->attrib.mdata = 0; 2689 pxmitframe->attrib.eosp = 1; 2690 } 2691 } 2692 2693 pxmitframe->attrib.triggered = 1; 2694 2695 /* 2696 spin_unlock_bh(&psta->sleep_q.lock); 2697 if (rtw_hal_xmit(padapter, pxmitframe) == true) 2698 { 2699 rtw_os_xmit_complete(padapter, pxmitframe); 2700 } 2701 spin_lock_bh(&psta->sleep_q.lock); 2702 */ 2703 rtw_hal_xmitframe_enqueue(padapter, pxmitframe); 2704 2705 2706 } 2707 2708 if (psta->sleepq_len == 0) { 2709 if (pstapriv->tim_bitmap & BIT(psta->aid)) { 2710 /* DBG_871X("wakeup to xmit, qlen == 0, update_BCNTIM, tim =%x\n", pstapriv->tim_bitmap); */ 2711 /* upate BCN for TIM IE */ 2712 /* update_BCNTIM(padapter); */ 2713 update_mask = BIT(0); 2714 } 2715 2716 pstapriv->tim_bitmap &= ~BIT(psta->aid); 2717 2718 if (psta->state&WIFI_SLEEP_STATE) 2719 psta->state ^= WIFI_SLEEP_STATE; 2720 2721 if (psta->state & WIFI_STA_ALIVE_CHK_STATE) { 2722 DBG_871X("%s alive check\n", __func__); 2723 psta->expire_to = pstapriv->expire_to; 2724 psta->state ^= WIFI_STA_ALIVE_CHK_STATE; 2725 } 2726 2727 pstapriv->sta_dz_bitmap &= ~BIT(psta->aid); 2728 } 2729 2730 /* for BC/MC Frames */ 2731 if (!psta_bmc) 2732 goto _exit; 2733 2734 if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0) { /* no any sta in ps mode */ 2735 xmitframe_phead = get_list_head(&psta_bmc->sleep_q); 2736 xmitframe_plist = get_next(xmitframe_phead); 2737 2738 while (xmitframe_phead != xmitframe_plist) { 2739 pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); 2740 2741 xmitframe_plist = get_next(xmitframe_plist); 2742 2743 list_del_init(&pxmitframe->list); 2744 2745 psta_bmc->sleepq_len--; 2746 if (psta_bmc->sleepq_len > 0) 2747 pxmitframe->attrib.mdata = 1; 2748 else 2749 pxmitframe->attrib.mdata = 0; 2750 2751 2752 pxmitframe->attrib.triggered = 1; 2753 /* 2754 spin_unlock_bh(&psta_bmc->sleep_q.lock); 2755 if (rtw_hal_xmit(padapter, pxmitframe) == true) 2756 { 2757 rtw_os_xmit_complete(padapter, pxmitframe); 2758 } 2759 spin_lock_bh(&psta_bmc->sleep_q.lock); 2760 2761 */ 2762 rtw_hal_xmitframe_enqueue(padapter, pxmitframe); 2763 2764 } 2765 2766 if (psta_bmc->sleepq_len == 0) { 2767 if (pstapriv->tim_bitmap & BIT(0)) { 2768 /* DBG_871X("wakeup to xmit, qlen == 0, update_BCNTIM, tim =%x\n", pstapriv->tim_bitmap); */ 2769 /* upate BCN for TIM IE */ 2770 /* update_BCNTIM(padapter); */ 2771 update_mask |= BIT(1); 2772 } 2773 pstapriv->tim_bitmap &= ~BIT(0); 2774 pstapriv->sta_dz_bitmap &= ~BIT(0); 2775 } 2776 2777 } 2778 2779 _exit: 2780 2781 /* spin_unlock_bh(&psta_bmc->sleep_q.lock); */ 2782 spin_unlock_bh(&pxmitpriv->lock); 2783 2784 if (update_mask) 2785 /* update_BCNTIM(padapter); */ 2786 /* printk("%s => call update_beacon\n", __func__); */ 2787 update_beacon(padapter, _TIM_IE_, NULL, true); 2788 2789 } 2790 2791 void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta) 2792 { 2793 u8 wmmps_ac = 0; 2794 struct list_head *xmitframe_plist, *xmitframe_phead; 2795 struct xmit_frame *pxmitframe = NULL; 2796 struct sta_priv *pstapriv = &padapter->stapriv; 2797 struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 2798 2799 2800 /* spin_lock_bh(&psta->sleep_q.lock); */ 2801 spin_lock_bh(&pxmitpriv->lock); 2802 2803 xmitframe_phead = get_list_head(&psta->sleep_q); 2804 xmitframe_plist = get_next(xmitframe_phead); 2805 2806 while (xmitframe_phead != xmitframe_plist) { 2807 pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); 2808 2809 xmitframe_plist = get_next(xmitframe_plist); 2810 2811 switch (pxmitframe->attrib.priority) { 2812 case 1: 2813 case 2: 2814 wmmps_ac = psta->uapsd_bk&BIT(1); 2815 break; 2816 case 4: 2817 case 5: 2818 wmmps_ac = psta->uapsd_vi&BIT(1); 2819 break; 2820 case 6: 2821 case 7: 2822 wmmps_ac = psta->uapsd_vo&BIT(1); 2823 break; 2824 case 0: 2825 case 3: 2826 default: 2827 wmmps_ac = psta->uapsd_be&BIT(1); 2828 break; 2829 } 2830 2831 if (!wmmps_ac) 2832 continue; 2833 2834 list_del_init(&pxmitframe->list); 2835 2836 psta->sleepq_len--; 2837 psta->sleepq_ac_len--; 2838 2839 if (psta->sleepq_ac_len > 0) { 2840 pxmitframe->attrib.mdata = 1; 2841 pxmitframe->attrib.eosp = 0; 2842 } else { 2843 pxmitframe->attrib.mdata = 0; 2844 pxmitframe->attrib.eosp = 1; 2845 } 2846 2847 pxmitframe->attrib.triggered = 1; 2848 rtw_hal_xmitframe_enqueue(padapter, pxmitframe); 2849 2850 if ((psta->sleepq_ac_len == 0) && (!psta->has_legacy_ac) && (wmmps_ac)) { 2851 pstapriv->tim_bitmap &= ~BIT(psta->aid); 2852 2853 /* DBG_871X("wakeup to xmit, qlen == 0, update_BCNTIM, tim =%x\n", pstapriv->tim_bitmap); */ 2854 /* upate BCN for TIM IE */ 2855 /* update_BCNTIM(padapter); */ 2856 update_beacon(padapter, _TIM_IE_, NULL, true); 2857 /* update_mask = BIT(0); */ 2858 } 2859 2860 } 2861 2862 /* spin_unlock_bh(&psta->sleep_q.lock); */ 2863 spin_unlock_bh(&pxmitpriv->lock); 2864 } 2865 2866 void enqueue_pending_xmitbuf( 2867 struct xmit_priv *pxmitpriv, 2868 struct xmit_buf *pxmitbuf) 2869 { 2870 struct __queue *pqueue; 2871 struct adapter *pri_adapter = pxmitpriv->adapter; 2872 2873 pqueue = &pxmitpriv->pending_xmitbuf_queue; 2874 2875 spin_lock_bh(&pqueue->lock); 2876 list_del_init(&pxmitbuf->list); 2877 list_add_tail(&pxmitbuf->list, get_list_head(pqueue)); 2878 spin_unlock_bh(&pqueue->lock); 2879 2880 complete(&(pri_adapter->xmitpriv.xmit_comp)); 2881 } 2882 2883 void enqueue_pending_xmitbuf_to_head( 2884 struct xmit_priv *pxmitpriv, 2885 struct xmit_buf *pxmitbuf) 2886 { 2887 struct __queue *pqueue; 2888 2889 pqueue = &pxmitpriv->pending_xmitbuf_queue; 2890 2891 spin_lock_bh(&pqueue->lock); 2892 list_del_init(&pxmitbuf->list); 2893 list_add(&pxmitbuf->list, get_list_head(pqueue)); 2894 spin_unlock_bh(&pqueue->lock); 2895 } 2896 2897 struct xmit_buf *dequeue_pending_xmitbuf( 2898 struct xmit_priv *pxmitpriv) 2899 { 2900 struct xmit_buf *pxmitbuf; 2901 struct __queue *pqueue; 2902 2903 2904 pxmitbuf = NULL; 2905 pqueue = &pxmitpriv->pending_xmitbuf_queue; 2906 2907 spin_lock_bh(&pqueue->lock); 2908 2909 if (!list_empty(&pqueue->queue)) { 2910 struct list_head *plist, *phead; 2911 2912 phead = get_list_head(pqueue); 2913 plist = get_next(phead); 2914 pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list); 2915 list_del_init(&pxmitbuf->list); 2916 } 2917 2918 spin_unlock_bh(&pqueue->lock); 2919 2920 return pxmitbuf; 2921 } 2922 2923 struct xmit_buf *dequeue_pending_xmitbuf_under_survey( 2924 struct xmit_priv *pxmitpriv) 2925 { 2926 struct xmit_buf *pxmitbuf; 2927 struct __queue *pqueue; 2928 2929 2930 pxmitbuf = NULL; 2931 pqueue = &pxmitpriv->pending_xmitbuf_queue; 2932 2933 spin_lock_bh(&pqueue->lock); 2934 2935 if (!list_empty(&pqueue->queue)) { 2936 struct list_head *plist, *phead; 2937 u8 type; 2938 2939 phead = get_list_head(pqueue); 2940 plist = phead; 2941 do { 2942 plist = get_next(plist); 2943 if (plist == phead) 2944 break; 2945 2946 pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list); 2947 2948 type = GetFrameSubType(pxmitbuf->pbuf + TXDESC_OFFSET); 2949 2950 if ((type == WIFI_PROBEREQ) || 2951 (type == WIFI_DATA_NULL) || 2952 (type == WIFI_QOS_DATA_NULL)) { 2953 list_del_init(&pxmitbuf->list); 2954 break; 2955 } 2956 pxmitbuf = NULL; 2957 } while (1); 2958 } 2959 2960 spin_unlock_bh(&pqueue->lock); 2961 2962 return pxmitbuf; 2963 } 2964 2965 sint check_pending_xmitbuf( 2966 struct xmit_priv *pxmitpriv) 2967 { 2968 struct __queue *pqueue; 2969 sint ret = false; 2970 2971 pqueue = &pxmitpriv->pending_xmitbuf_queue; 2972 2973 spin_lock_bh(&pqueue->lock); 2974 2975 if (!list_empty(&pqueue->queue)) 2976 ret = true; 2977 2978 spin_unlock_bh(&pqueue->lock); 2979 2980 return ret; 2981 } 2982 2983 int rtw_xmit_thread(void *context) 2984 { 2985 s32 err; 2986 struct adapter *padapter; 2987 2988 2989 err = _SUCCESS; 2990 padapter = context; 2991 2992 thread_enter("RTW_XMIT_THREAD"); 2993 2994 do { 2995 err = rtw_hal_xmit_thread_handler(padapter); 2996 flush_signals_thread(); 2997 } while (_SUCCESS == err); 2998 2999 complete(&padapter->xmitpriv.terminate_xmitthread_comp); 3000 3001 thread_exit(); 3002 } 3003 3004 void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms) 3005 { 3006 sctx->timeout_ms = timeout_ms; 3007 sctx->submit_time = jiffies; 3008 init_completion(&sctx->done); 3009 sctx->status = RTW_SCTX_SUBMITTED; 3010 } 3011 3012 int rtw_sctx_wait(struct submit_ctx *sctx, const char *msg) 3013 { 3014 int ret = _FAIL; 3015 unsigned long expire; 3016 int status = 0; 3017 3018 expire = sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) : MAX_SCHEDULE_TIMEOUT; 3019 if (!wait_for_completion_timeout(&sctx->done, expire)) { 3020 /* timeout, do something?? */ 3021 status = RTW_SCTX_DONE_TIMEOUT; 3022 DBG_871X("%s timeout: %s\n", __func__, msg); 3023 } else { 3024 status = sctx->status; 3025 } 3026 3027 if (status == RTW_SCTX_DONE_SUCCESS) { 3028 ret = _SUCCESS; 3029 } 3030 3031 return ret; 3032 } 3033 3034 static bool rtw_sctx_chk_warning_status(int status) 3035 { 3036 switch (status) { 3037 case RTW_SCTX_DONE_UNKNOWN: 3038 case RTW_SCTX_DONE_BUF_ALLOC: 3039 case RTW_SCTX_DONE_BUF_FREE: 3040 3041 case RTW_SCTX_DONE_DRV_STOP: 3042 case RTW_SCTX_DONE_DEV_REMOVE: 3043 return true; 3044 default: 3045 return false; 3046 } 3047 } 3048 3049 void rtw_sctx_done_err(struct submit_ctx **sctx, int status) 3050 { 3051 if (*sctx) { 3052 if (rtw_sctx_chk_warning_status(status)) 3053 DBG_871X("%s status:%d\n", __func__, status); 3054 (*sctx)->status = status; 3055 complete(&((*sctx)->done)); 3056 *sctx = NULL; 3057 } 3058 } 3059 3060 void rtw_sctx_done(struct submit_ctx **sctx) 3061 { 3062 rtw_sctx_done_err(sctx, RTW_SCTX_DONE_SUCCESS); 3063 } 3064 3065 int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms) 3066 { 3067 struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops; 3068 3069 pack_tx_ops->submit_time = jiffies; 3070 pack_tx_ops->timeout_ms = timeout_ms; 3071 pack_tx_ops->status = RTW_SCTX_SUBMITTED; 3072 3073 return rtw_sctx_wait(pack_tx_ops, __func__); 3074 } 3075 3076 void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status) 3077 { 3078 struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops; 3079 3080 if (pxmitpriv->ack_tx) { 3081 rtw_sctx_done_err(&pack_tx_ops, status); 3082 } else { 3083 DBG_871X("%s ack_tx not set\n", __func__); 3084 } 3085 } 3086