drivers/staging/rtl8723bs/core/rtw_xmit.c

   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 *)&etherhdr, 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 *)&etherhdr, ETH_HLEN);
 695
 696         pattrib->ether_type = ntohs(etherhdr.h_proto);
 697
 698
 699         memcpy(pattrib->dst, &etherhdr.h_dest, ETH_ALEN);
 700         memcpy(pattrib->src, &etherhdr.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         return;
2866 }
2867
2868 void enqueue_pending_xmitbuf(
2869         struct xmit_priv *pxmitpriv,
2870         struct xmit_buf *pxmitbuf)
2871 {
2872         struct __queue *pqueue;
2873         struct adapter *pri_adapter = pxmitpriv->adapter;
2874
2875         pqueue = &pxmitpriv->pending_xmitbuf_queue;
2876
2877         spin_lock_bh(&pqueue->lock);
2878         list_del_init(&pxmitbuf->list);
2879         list_add_tail(&pxmitbuf->list, get_list_head(pqueue));
2880         spin_unlock_bh(&pqueue->lock);
2881
2882         complete(&(pri_adapter->xmitpriv.xmit_comp));
2883 }
2884
2885 void enqueue_pending_xmitbuf_to_head(
2886         struct xmit_priv *pxmitpriv,
2887         struct xmit_buf *pxmitbuf)
2888 {
2889         struct __queue *pqueue;
2890
2891         pqueue = &pxmitpriv->pending_xmitbuf_queue;
2892
2893         spin_lock_bh(&pqueue->lock);
2894         list_del_init(&pxmitbuf->list);
2895         list_add(&pxmitbuf->list, get_list_head(pqueue));
2896         spin_unlock_bh(&pqueue->lock);
2897 }
2898
2899 struct xmit_buf *dequeue_pending_xmitbuf(
2900         struct xmit_priv *pxmitpriv)
2901 {
2902         struct xmit_buf *pxmitbuf;
2903         struct __queue *pqueue;
2904
2905
2906         pxmitbuf = NULL;
2907         pqueue = &pxmitpriv->pending_xmitbuf_queue;
2908
2909         spin_lock_bh(&pqueue->lock);
2910
2911         if (!list_empty(&pqueue->queue)) {
2912                 struct list_head *plist, *phead;
2913
2914                 phead = get_list_head(pqueue);
2915                 plist = get_next(phead);
2916                 pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
2917                 list_del_init(&pxmitbuf->list);
2918         }
2919
2920         spin_unlock_bh(&pqueue->lock);
2921
2922         return pxmitbuf;
2923 }
2924
2925 struct xmit_buf *dequeue_pending_xmitbuf_under_survey(
2926         struct xmit_priv *pxmitpriv)
2927 {
2928         struct xmit_buf *pxmitbuf;
2929         struct __queue *pqueue;
2930
2931
2932         pxmitbuf = NULL;
2933         pqueue = &pxmitpriv->pending_xmitbuf_queue;
2934
2935         spin_lock_bh(&pqueue->lock);
2936
2937         if (!list_empty(&pqueue->queue)) {
2938                 struct list_head *plist, *phead;
2939                 u8 type;
2940
2941                 phead = get_list_head(pqueue);
2942                 plist = phead;
2943                 do {
2944                         plist = get_next(plist);
2945                         if (plist == phead)
2946                                 break;
2947
2948                         pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
2949
2950                         type = GetFrameSubType(pxmitbuf->pbuf + TXDESC_OFFSET);
2951
2952                         if ((type == WIFI_PROBEREQ) ||
2953                                 (type == WIFI_DATA_NULL) ||
2954                                 (type == WIFI_QOS_DATA_NULL)) {
2955                                 list_del_init(&pxmitbuf->list);
2956                                 break;
2957                         }
2958                         pxmitbuf = NULL;
2959                 } while (1);
2960         }
2961
2962         spin_unlock_bh(&pqueue->lock);
2963
2964         return pxmitbuf;
2965 }
2966
2967 sint check_pending_xmitbuf(
2968         struct xmit_priv *pxmitpriv)
2969 {
2970         struct __queue *pqueue;
2971         sint    ret = false;
2972
2973         pqueue = &pxmitpriv->pending_xmitbuf_queue;
2974
2975         spin_lock_bh(&pqueue->lock);
2976
2977         if (!list_empty(&pqueue->queue))
2978                 ret = true;
2979
2980         spin_unlock_bh(&pqueue->lock);
2981
2982         return ret;
2983 }
2984
2985 int rtw_xmit_thread(void *context)
2986 {
2987         s32 err;
2988         struct adapter *padapter;
2989
2990
2991         err = _SUCCESS;
2992         padapter = context;
2993
2994         thread_enter("RTW_XMIT_THREAD");
2995
2996         do {
2997                 err = rtw_hal_xmit_thread_handler(padapter);
2998                 flush_signals_thread();
2999         } while (_SUCCESS == err);
3000
3001         complete(&padapter->xmitpriv.terminate_xmitthread_comp);
3002
3003         thread_exit();
3004 }
3005
3006 void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms)
3007 {
3008         sctx->timeout_ms = timeout_ms;
3009         sctx->submit_time = jiffies;
3010         init_completion(&sctx->done);
3011         sctx->status = RTW_SCTX_SUBMITTED;
3012 }
3013
3014 int rtw_sctx_wait(struct submit_ctx *sctx, const char *msg)
3015 {
3016         int ret = _FAIL;
3017         unsigned long expire;
3018         int status = 0;
3019
3020         expire = sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) : MAX_SCHEDULE_TIMEOUT;
3021         if (!wait_for_completion_timeout(&sctx->done, expire)) {
3022                 /* timeout, do something?? */
3023                 status = RTW_SCTX_DONE_TIMEOUT;
3024                 DBG_871X("%s timeout: %s\n", __func__, msg);
3025         } else {
3026                 status = sctx->status;
3027         }
3028
3029         if (status == RTW_SCTX_DONE_SUCCESS) {
3030                 ret = _SUCCESS;
3031         }
3032
3033         return ret;
3034 }
3035
3036 static bool rtw_sctx_chk_warning_status(int status)
3037 {
3038         switch (status) {
3039         case RTW_SCTX_DONE_UNKNOWN:
3040         case RTW_SCTX_DONE_BUF_ALLOC:
3041         case RTW_SCTX_DONE_BUF_FREE:
3042
3043         case RTW_SCTX_DONE_DRV_STOP:
3044         case RTW_SCTX_DONE_DEV_REMOVE:
3045                 return true;
3046         default:
3047                 return false;
3048         }
3049 }
3050
3051 void rtw_sctx_done_err(struct submit_ctx **sctx, int status)
3052 {
3053         if (*sctx) {
3054                 if (rtw_sctx_chk_warning_status(status))
3055                         DBG_871X("%s status:%d\n", __func__, status);
3056                 (*sctx)->status = status;
3057                 complete(&((*sctx)->done));
3058                 *sctx = NULL;
3059         }
3060 }
3061
3062 void rtw_sctx_done(struct submit_ctx **sctx)
3063 {
3064         rtw_sctx_done_err(sctx, RTW_SCTX_DONE_SUCCESS);
3065 }
3066
3067 int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms)
3068 {
3069         struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
3070
3071         pack_tx_ops->submit_time = jiffies;
3072         pack_tx_ops->timeout_ms = timeout_ms;
3073         pack_tx_ops->status = RTW_SCTX_SUBMITTED;
3074
3075         return rtw_sctx_wait(pack_tx_ops, __func__);
3076 }
3077
3078 void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status)
3079 {
3080         struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
3081
3082         if (pxmitpriv->ack_tx) {
3083                 rtw_sctx_done_err(&pack_tx_ops, status);
3084         } else {
3085                 DBG_871X("%s ack_tx not set\n", __func__);
3086         }
3087 }