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