linux/drivers/staging/rtl8723au/core/rtw_xmit.c
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   1/******************************************************************************
   2 *
   3 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
   4 *
   5 * This program is free software; you can redistribute it and/or modify it
   6 * under the terms of version 2 of the GNU General Public License as
   7 * published by the Free Software Foundation.
   8 *
   9 * This program is distributed in the hope that it will be useful, but WITHOUT
  10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  12 * more details.
  13 *
  14 ******************************************************************************/
  15#define _RTW_XMIT_C_
  16
  17#include <osdep_service.h>
  18#include <drv_types.h>
  19#include <wifi.h>
  20#include <osdep_intf.h>
  21#include <linux/ip.h>
  22#include <usb_ops.h>
  23
  24static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 };
  25static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 };
  26
  27static void _init_txservq(struct tx_servq *ptxservq)
  28{
  29
  30        INIT_LIST_HEAD(&ptxservq->tx_pending);
  31        _rtw_init_queue23a(&ptxservq->sta_pending);
  32        ptxservq->qcnt = 0;
  33
  34}
  35
  36void    _rtw_init_sta_xmit_priv23a(struct sta_xmit_priv *psta_xmitpriv)
  37{
  38
  39        spin_lock_init(&psta_xmitpriv->lock);
  40
  41        /* for (i = 0 ; i < MAX_NUMBLKS; i++) */
  42        /*      _init_txservq(&psta_xmitpriv->blk_q[i]); */
  43
  44        _init_txservq(&psta_xmitpriv->be_q);
  45        _init_txservq(&psta_xmitpriv->bk_q);
  46        _init_txservq(&psta_xmitpriv->vi_q);
  47        _init_txservq(&psta_xmitpriv->vo_q);
  48        INIT_LIST_HEAD(&psta_xmitpriv->legacy_dz);
  49        INIT_LIST_HEAD(&psta_xmitpriv->apsd);
  50
  51}
  52
  53s32     _rtw_init_xmit_priv23a(struct xmit_priv *pxmitpriv, struct rtw_adapter *padapter)
  54{
  55        int i;
  56        struct xmit_buf *pxmitbuf;
  57        struct xmit_frame *pxframe;
  58        int     res = _SUCCESS;
  59        u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ;
  60        u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
  61
  62        /*  We don't need to memset padapter->XXX to zero, because adapter is allocated by rtw_zvmalloc(). */
  63        /* memset((unsigned char *)pxmitpriv, 0, sizeof(struct xmit_priv)); */
  64
  65        spin_lock_init(&pxmitpriv->lock);
  66        spin_lock_init(&pxmitpriv->lock_sctx);
  67        sema_init(&pxmitpriv->xmit_sema, 0);
  68        sema_init(&pxmitpriv->terminate_xmitthread_sema, 0);
  69
  70        /*
  71        Please insert all the queue initializaiton using _rtw_init_queue23a below
  72        */
  73
  74        pxmitpriv->adapter = padapter;
  75
  76        _rtw_init_queue23a(&pxmitpriv->be_pending);
  77        _rtw_init_queue23a(&pxmitpriv->bk_pending);
  78        _rtw_init_queue23a(&pxmitpriv->vi_pending);
  79        _rtw_init_queue23a(&pxmitpriv->vo_pending);
  80        _rtw_init_queue23a(&pxmitpriv->bm_pending);
  81
  82        _rtw_init_queue23a(&pxmitpriv->free_xmit_queue);
  83
  84        /*
  85        Please allocate memory with the sz = (struct xmit_frame) * NR_XMITFRAME,
  86        and initialize free_xmit_frame below.
  87        Please also apply  free_txobj to link_up all the xmit_frames...
  88        */
  89
  90        pxmitpriv->pallocated_frame_buf = rtw_zvmalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4);
  91
  92        if (pxmitpriv->pallocated_frame_buf  == NULL) {
  93                pxmitpriv->pxmit_frame_buf = NULL;
  94                RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_frame fail!\n"));
  95                res = _FAIL;
  96                goto exit;
  97        }
  98        pxmitpriv->pxmit_frame_buf = PTR_ALIGN(pxmitpriv->pallocated_frame_buf, 4);
  99
 100        pxframe = (struct xmit_frame*) pxmitpriv->pxmit_frame_buf;
 101
 102        for (i = 0; i < NR_XMITFRAME; i++) {
 103                INIT_LIST_HEAD(&pxframe->list);
 104
 105                pxframe->padapter = padapter;
 106                pxframe->frame_tag = NULL_FRAMETAG;
 107
 108                pxframe->pkt = NULL;
 109
 110                pxframe->buf_addr = NULL;
 111                pxframe->pxmitbuf = NULL;
 112
 113                list_add_tail(&pxframe->list,
 114                              &pxmitpriv->free_xmit_queue.queue);
 115
 116                pxframe++;
 117        }
 118
 119        pxmitpriv->free_xmitframe_cnt = NR_XMITFRAME;
 120
 121        pxmitpriv->frag_len = MAX_FRAG_THRESHOLD;
 122
 123        /* init xmit_buf */
 124        _rtw_init_queue23a(&pxmitpriv->free_xmitbuf_queue);
 125        INIT_LIST_HEAD(&pxmitpriv->xmitbuf_list);
 126        _rtw_init_queue23a(&pxmitpriv->pending_xmitbuf_queue);
 127
 128        for (i = 0; i < NR_XMITBUFF; i++) {
 129                pxmitbuf = kzalloc(sizeof(struct xmit_buf), GFP_KERNEL);
 130                if (!pxmitbuf)
 131                        goto fail;
 132                INIT_LIST_HEAD(&pxmitbuf->list);
 133                INIT_LIST_HEAD(&pxmitbuf->list2);
 134
 135                pxmitbuf->padapter = padapter;
 136
 137                /* Tx buf allocation may fail sometimes, so sleep and retry. */
 138                res = rtw_os_xmit_resource_alloc23a(padapter, pxmitbuf,
 139                                                 (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
 140                if (res == _FAIL) {
 141                        goto fail;
 142                }
 143
 144                list_add_tail(&pxmitbuf->list,
 145                              &pxmitpriv->free_xmitbuf_queue.queue);
 146                list_add_tail(&pxmitbuf->list2,
 147                              &pxmitpriv->xmitbuf_list);
 148        }
 149
 150        pxmitpriv->free_xmitbuf_cnt = NR_XMITBUFF;
 151
 152        /* init xframe_ext queue,  the same count as extbuf  */
 153        _rtw_init_queue23a(&pxmitpriv->free_xframe_ext_queue);
 154
 155        pxmitpriv->xframe_ext_alloc_addr = rtw_zvmalloc(num_xmit_extbuf * sizeof(struct xmit_frame) + 4);
 156
 157        if (pxmitpriv->xframe_ext_alloc_addr  == NULL) {
 158                pxmitpriv->xframe_ext = NULL;
 159                RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xframe_ext fail!\n"));
 160                res = _FAIL;
 161                goto exit;
 162        }
 163        pxmitpriv->xframe_ext = PTR_ALIGN(pxmitpriv->xframe_ext_alloc_addr, 4);
 164        pxframe = (struct xmit_frame*)pxmitpriv->xframe_ext;
 165
 166        for (i = 0; i < num_xmit_extbuf; i++) {
 167                INIT_LIST_HEAD(&pxframe->list);
 168
 169                pxframe->padapter = padapter;
 170                pxframe->frame_tag = NULL_FRAMETAG;
 171
 172                pxframe->pkt = NULL;
 173
 174                pxframe->buf_addr = NULL;
 175                pxframe->pxmitbuf = NULL;
 176
 177                pxframe->ext_tag = 1;
 178
 179                list_add_tail(&pxframe->list,
 180                              &pxmitpriv->free_xframe_ext_queue.queue);
 181
 182                pxframe++;
 183        }
 184        pxmitpriv->free_xframe_ext_cnt = num_xmit_extbuf;
 185
 186        /*  Init xmit extension buff */
 187        _rtw_init_queue23a(&pxmitpriv->free_xmit_extbuf_queue);
 188        INIT_LIST_HEAD(&pxmitpriv->xmitextbuf_list);
 189
 190        for (i = 0; i < num_xmit_extbuf; i++) {
 191                pxmitbuf = kzalloc(sizeof(struct xmit_buf), GFP_KERNEL);
 192                if (!pxmitbuf)
 193                        goto fail;
 194                INIT_LIST_HEAD(&pxmitbuf->list);
 195                INIT_LIST_HEAD(&pxmitbuf->list2);
 196
 197                pxmitbuf->padapter = padapter;
 198
 199                /* Tx buf allocation may fail sometimes, so sleep and retry. */
 200                res = rtw_os_xmit_resource_alloc23a(padapter, pxmitbuf,
 201                                                 max_xmit_extbuf_size + XMITBUF_ALIGN_SZ);
 202                if (res == _FAIL) {
 203                        goto exit;
 204                }
 205
 206                list_add_tail(&pxmitbuf->list,
 207                              &pxmitpriv->free_xmit_extbuf_queue.queue);
 208                list_add_tail(&pxmitbuf->list2,
 209                              &pxmitpriv->xmitextbuf_list);
 210        }
 211
 212        pxmitpriv->free_xmit_extbuf_cnt = num_xmit_extbuf;
 213
 214        rtw_alloc_hwxmits23a(padapter);
 215        rtw_init_hwxmits23a(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry);
 216
 217        for (i = 0; i < 4; i ++)
 218                pxmitpriv->wmm_para_seq[i] = i;
 219
 220        pxmitpriv->txirp_cnt = 1;
 221
 222        sema_init(&pxmitpriv->tx_retevt, 0);
 223
 224        /* per AC pending irp */
 225        pxmitpriv->beq_cnt = 0;
 226        pxmitpriv->bkq_cnt = 0;
 227        pxmitpriv->viq_cnt = 0;
 228        pxmitpriv->voq_cnt = 0;
 229
 230        pxmitpriv->ack_tx = false;
 231        mutex_init(&pxmitpriv->ack_tx_mutex);
 232        rtw_sctx_init23a(&pxmitpriv->ack_tx_ops, 0);
 233        rtw_hal_init23a_xmit_priv(padapter);
 234
 235exit:
 236
 237        return res;
 238fail:
 239        goto exit;
 240}
 241
 242void _rtw_free_xmit_priv23a (struct xmit_priv *pxmitpriv)
 243{
 244        struct rtw_adapter *padapter = pxmitpriv->adapter;
 245        struct xmit_frame *pxmitframe = (struct xmit_frame*) pxmitpriv->pxmit_frame_buf;
 246        struct xmit_buf *pxmitbuf;
 247        struct list_head *plist, *ptmp;
 248        u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
 249        int i;
 250
 251        rtw_hal_free_xmit_priv23a(padapter);
 252
 253        if (pxmitpriv->pxmit_frame_buf == NULL)
 254                return;
 255        for (i = 0; i < NR_XMITFRAME; i++) {
 256                rtw_os_xmit_complete23a(padapter, pxmitframe);
 257                pxmitframe++;
 258        }
 259
 260        list_for_each_safe(plist, ptmp, &pxmitpriv->xmitbuf_list) {
 261                pxmitbuf = container_of(plist, struct xmit_buf, list2);
 262                list_del_init(&pxmitbuf->list2);
 263                rtw_os_xmit_resource_free23a(padapter, pxmitbuf);
 264                kfree(pxmitbuf);
 265        }
 266
 267        if (pxmitpriv->pallocated_frame_buf) {
 268                rtw_vmfree(pxmitpriv->pallocated_frame_buf, NR_XMITFRAME * sizeof(struct xmit_frame) + 4);
 269        }
 270
 271        /* free xframe_ext queue,  the same count as extbuf  */
 272        if ((pxmitframe = (struct xmit_frame*)pxmitpriv->xframe_ext)) {
 273                for (i = 0; i<num_xmit_extbuf; i++) {
 274                        rtw_os_xmit_complete23a(padapter, pxmitframe);
 275                        pxmitframe++;
 276                }
 277        }
 278        if (pxmitpriv->xframe_ext_alloc_addr)
 279                rtw_vmfree(pxmitpriv->xframe_ext_alloc_addr, num_xmit_extbuf * sizeof(struct xmit_frame) + 4);
 280
 281        /*  free xmit extension buff */
 282        list_for_each_safe(plist, ptmp, &pxmitpriv->xmitextbuf_list) {
 283                pxmitbuf = container_of(plist, struct xmit_buf, list2);
 284                list_del_init(&pxmitbuf->list2);
 285                rtw_os_xmit_resource_free23a(padapter, pxmitbuf);
 286                kfree(pxmitbuf);
 287        }
 288
 289        rtw_free_hwxmits23a(padapter);
 290        mutex_destroy(&pxmitpriv->ack_tx_mutex);
 291}
 292
 293static void update_attrib_vcs_info(struct rtw_adapter *padapter, struct xmit_frame *pxmitframe)
 294{
 295        u32     sz;
 296        struct pkt_attrib       *pattrib = &pxmitframe->attrib;
 297        struct sta_info *psta = pattrib->psta;
 298        struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 299        struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
 300
 301        if (pattrib->psta) {
 302                psta = pattrib->psta;
 303        } else {
 304                DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
 305                psta = rtw_get_stainfo23a(&padapter->stapriv, &pattrib->ra[0]);
 306        }
 307
 308        if (psta == NULL) {
 309                DBG_8723A("%s, psta == NUL\n", __func__);
 310                return;
 311        }
 312
 313        if (!(psta->state &_FW_LINKED)) {
 314                DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
 315                return;
 316        }
 317
 318        if (pattrib->nr_frags != 1)
 319                sz = padapter->xmitpriv.frag_len;
 320        else /* no frag */
 321                sz = pattrib->last_txcmdsz;
 322
 323        /*  (1) RTS_Threshold is compared to the MPDU, not MSDU. */
 324        /*  (2) If there are more than one frag in  this MSDU, only the first frag uses protection frame. */
 325        /*              Other fragments are protected by previous fragment. */
 326        /*              So we only need to check the length of first fragment. */
 327        if (pmlmeext->cur_wireless_mode < WIRELESS_11_24N  || padapter->registrypriv.wifi_spec) {
 328                if (sz > padapter->registrypriv.rts_thresh) {
 329                        pattrib->vcs_mode = RTS_CTS;
 330                } else {
 331                        if (psta->rtsen)
 332                                pattrib->vcs_mode = RTS_CTS;
 333                        else if (psta->cts2self)
 334                                pattrib->vcs_mode = CTS_TO_SELF;
 335                        else
 336                                pattrib->vcs_mode = NONE_VCS;
 337                }
 338        } else {
 339                while (true) {
 340                        /* IOT action */
 341                        if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_ATHEROS) &&
 342                            (pattrib->ampdu_en) &&
 343                            (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) {
 344                                pattrib->vcs_mode = CTS_TO_SELF;
 345                                break;
 346                        }
 347
 348                        /* check ERP protection */
 349                        if (psta->rtsen || psta->cts2self) {
 350                                if (psta->rtsen)
 351                                        pattrib->vcs_mode = RTS_CTS;
 352                                else if (psta->cts2self)
 353                                        pattrib->vcs_mode = CTS_TO_SELF;
 354
 355                                break;
 356                        }
 357
 358                        /* check HT op mode */
 359                        if (pattrib->ht_en) {
 360                                u8 HTOpMode = pmlmeinfo->HT_protection;
 361                                if ((pmlmeext->cur_bwmode && (HTOpMode == 2 || HTOpMode == 3)) ||
 362                                    (!pmlmeext->cur_bwmode && HTOpMode == 3)) {
 363                                        pattrib->vcs_mode = RTS_CTS;
 364                                        break;
 365                                }
 366                        }
 367
 368                        /* check rts */
 369                        if (sz > padapter->registrypriv.rts_thresh) {
 370                                pattrib->vcs_mode = RTS_CTS;
 371                                break;
 372                        }
 373
 374                        /* to do list: check MIMO power save condition. */
 375
 376                        /* check AMPDU aggregation for TXOP */
 377                        if (pattrib->ampdu_en) {
 378                                pattrib->vcs_mode = RTS_CTS;
 379                                break;
 380                        }
 381
 382                        pattrib->vcs_mode = NONE_VCS;
 383                        break;
 384                }
 385        }
 386}
 387
 388static void update_attrib_phy_info(struct pkt_attrib *pattrib, struct sta_info *psta)
 389{
 390        /*if (psta->rtsen)
 391                pattrib->vcs_mode = RTS_CTS;
 392        else if (psta->cts2self)
 393                pattrib->vcs_mode = CTS_TO_SELF;
 394        else
 395                pattrib->vcs_mode = NONE_VCS;*/
 396
 397        pattrib->mdata = 0;
 398        pattrib->eosp = 0;
 399        pattrib->triggered = 0;
 400
 401        /* qos_en, ht_en, init rate, , bw, ch_offset, sgi */
 402        pattrib->qos_en = psta->qos_option;
 403
 404        pattrib->raid = psta->raid;
 405        pattrib->ht_en = psta->htpriv.ht_option;
 406        pattrib->bwmode = psta->htpriv.bwmode;
 407        pattrib->ch_offset = psta->htpriv.ch_offset;
 408        pattrib->sgi = psta->htpriv.sgi;
 409        pattrib->ampdu_en = false;
 410
 411        pattrib->retry_ctrl = false;
 412}
 413
 414u8 qos_acm23a(u8 acm_mask, u8 priority)
 415{
 416        u8 change_priority = priority;
 417
 418        switch (priority) {
 419        case 0:
 420        case 3:
 421                if (acm_mask & BIT(1))
 422                        change_priority = 1;
 423                break;
 424        case 1:
 425        case 2:
 426                break;
 427        case 4:
 428        case 5:
 429                if (acm_mask & BIT(2))
 430                        change_priority = 0;
 431                break;
 432        case 6:
 433        case 7:
 434                if (acm_mask & BIT(3))
 435                        change_priority = 5;
 436                break;
 437        default:
 438                DBG_8723A("qos_acm23a(): invalid pattrib->priority: %d!!!\n",
 439                          priority);
 440                break;
 441        }
 442
 443        return change_priority;
 444}
 445
 446static void set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib)
 447{
 448        struct ethhdr etherhdr;
 449        struct iphdr ip_hdr;
 450        s32 UserPriority = 0;
 451
 452        _rtw_open_pktfile23a(ppktfile->pkt, ppktfile);
 453        _rtw_pktfile_read23a(ppktfile, (unsigned char*)&etherhdr, ETH_HLEN);
 454
 455        /*  get UserPriority from IP hdr */
 456        if (pattrib->ether_type == 0x0800) {
 457                _rtw_pktfile_read23a(ppktfile, (u8*)&ip_hdr, sizeof(ip_hdr));
 458/*              UserPriority = (ntohs(ip_hdr.tos) >> 5) & 0x3; */
 459                UserPriority = ip_hdr.tos >> 5;
 460        } else if (pattrib->ether_type == 0x888e) {
 461                /*  "When priority processing of data frames is supported, */
 462                /*  a STA's SME should send EAPOL-Key frames at the highest
 463                    priority." */
 464                UserPriority = 7;
 465        }
 466
 467        pattrib->priority = UserPriority;
 468        pattrib->hdrlen = sizeof(struct ieee80211_qos_hdr);
 469        pattrib->subtype = WIFI_QOS_DATA_TYPE;
 470}
 471
 472static s32 update_attrib(struct rtw_adapter *padapter,
 473                         struct sk_buff *pkt, struct pkt_attrib *pattrib)
 474{
 475        uint i;
 476        struct pkt_file pktfile;
 477        struct sta_info *psta = NULL;
 478        struct ethhdr etherhdr;
 479
 480        int bmcast;
 481        struct sta_priv *pstapriv = &padapter->stapriv;
 482        struct security_priv *psecuritypriv = &padapter->securitypriv;
 483        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 484        struct qos_priv *pqospriv = &pmlmepriv->qospriv;
 485        int res = _SUCCESS;
 486
 487        _rtw_open_pktfile23a(pkt, &pktfile);
 488        i = _rtw_pktfile_read23a(&pktfile, (u8*)&etherhdr, ETH_HLEN);
 489
 490        pattrib->ether_type = ntohs(etherhdr.h_proto);
 491
 492        memcpy(pattrib->dst, &etherhdr.h_dest, ETH_ALEN);
 493        memcpy(pattrib->src, &etherhdr.h_source, ETH_ALEN);
 494
 495        pattrib->pctrl = 0;
 496
 497        if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) ||
 498                (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)) {
 499                memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
 500                memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
 501        }
 502        else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
 503                memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN);
 504                memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
 505        }
 506        else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
 507                memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
 508                memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN);
 509        }
 510
 511        pattrib->pktlen = pktfile.pkt_len;
 512
 513        if (pattrib->ether_type == ETH_P_IP) {
 514                /*  The following is for DHCP and ARP packet, we use cck1M
 515                    to tx these packets and let LPS awake some time */
 516                /*  to prevent DHCP protocol fail */
 517                u8 tmp[24];
 518                _rtw_pktfile_read23a(&pktfile, &tmp[0], 24);
 519                pattrib->dhcp_pkt = 0;
 520                if (pktfile.pkt_len > 282) {/* MINIMUM_DHCP_PACKET_SIZE) { */
 521                        if (ETH_P_IP == pattrib->ether_type) {/*  IP header */
 522                                if (((tmp[21] == 68) && (tmp[23] == 67)) ||
 523                                    ((tmp[21] == 67) && (tmp[23] == 68))) {
 524                                        /*  68 : UDP BOOTP client */
 525                                        /*  67 : UDP BOOTP server */
 526                                        RT_TRACE(_module_rtl871x_xmit_c_,
 527                                                 _drv_err_,
 528                                                 ("======================"
 529                                                  "update_attrib: get DHCP "
 530                                                  "Packet\n"));
 531                                        pattrib->dhcp_pkt = 1;
 532                                }
 533                        }
 534                }
 535        } else if (0x888e == pattrib->ether_type) {
 536                DBG_8723A_LEVEL(_drv_always_, "send eapol packet\n");
 537        }
 538
 539        if ((pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1)) {
 540                rtw_set_scan_deny(padapter, 3000);
 541        }
 542
 543        /*  If EAPOL , ARP , OR DHCP packet, driver must be in active mode. */
 544        if ((pattrib->ether_type == 0x0806) ||
 545            (pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1)) {
 546                rtw_lps_ctrl_wk_cmd23a(padapter, LPS_CTRL_SPECIAL_PACKET, 1);
 547        }
 548
 549        bmcast = is_multicast_ether_addr(pattrib->ra);
 550
 551        /*  get sta_info */
 552        if (bmcast) {
 553                psta = rtw_get_bcmc_stainfo23a(padapter);
 554        } else {
 555                psta = rtw_get_stainfo23a(pstapriv, pattrib->ra);
 556                if (psta == NULL) { /*  if we cannot get psta => drrp the pkt */
 557                        RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_,
 558                                 ("\nupdate_attrib => get sta_info fail, ra:"
 559                                  MAC_FMT"\n", MAC_ARG(pattrib->ra)));
 560                        res = _FAIL;
 561                        goto exit;
 562                } else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) &&
 563                           (!(psta->state & _FW_LINKED))) {
 564                        res = _FAIL;
 565                        goto exit;
 566                }
 567        }
 568
 569        if (psta) {
 570                pattrib->mac_id = psta->mac_id;
 571                /* DBG_8723A("%s ==> mac_id(%d)\n", __func__, pattrib->mac_id); */
 572                pattrib->psta = psta;
 573        } else {
 574                /*  if we cannot get psta => drop the pkt */
 575                RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_,
 576                         ("\nupdate_attrib => get sta_info fail, ra:" MAC_FMT
 577                          "\n", MAC_ARG(pattrib->ra)));
 578                res = _FAIL;
 579                goto exit;
 580        }
 581
 582        pattrib->ack_policy = 0;
 583        /*  get ether_hdr_len */
 584
 585        /* pattrib->ether_type == 0x8100) ? (14 + 4): 14; vlan tag */
 586        pattrib->pkt_hdrlen = ETH_HLEN;
 587
 588        pattrib->hdrlen = sizeof(struct ieee80211_hdr_3addr);
 589        pattrib->subtype = WIFI_DATA_TYPE;
 590        pattrib->priority = 0;
 591
 592        if (check_fwstate(pmlmepriv, WIFI_AP_STATE | WIFI_ADHOC_STATE |
 593                          WIFI_ADHOC_MASTER_STATE)) {
 594                if (psta->qos_option)
 595                        set_qos(&pktfile, pattrib);
 596        } else {
 597                if (pqospriv->qos_option) {
 598                        set_qos(&pktfile, pattrib);
 599
 600                        if (pmlmepriv->acm_mask != 0) {
 601                                pattrib->priority = qos_acm23a(pmlmepriv->acm_mask,
 602                                                            pattrib->priority);
 603                        }
 604                }
 605        }
 606
 607        if (psta->ieee8021x_blocked == true) {
 608                RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
 609                         ("\n psta->ieee8021x_blocked == true\n"));
 610
 611                pattrib->encrypt = 0;
 612
 613                if ((pattrib->ether_type != 0x888e) &&
 614                    (check_fwstate(pmlmepriv, WIFI_MP_STATE) == false)) {
 615                        RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
 616                                 ("\npsta->ieee8021x_blocked == true,  "
 617                                  "pattrib->ether_type(%.4x) != 0x888e\n",
 618                                  pattrib->ether_type));
 619                        res = _FAIL;
 620                        goto exit;
 621                }
 622        } else {
 623                GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast);
 624
 625                switch (psecuritypriv->dot11AuthAlgrthm) {
 626                case dot11AuthAlgrthm_Open:
 627                case dot11AuthAlgrthm_Shared:
 628                case dot11AuthAlgrthm_Auto:
 629                        pattrib->key_idx =
 630                                (u8)psecuritypriv->dot11PrivacyKeyIndex;
 631                        break;
 632                case dot11AuthAlgrthm_8021X:
 633                        if (bmcast)
 634                                pattrib->key_idx =
 635                                        (u8)psecuritypriv->dot118021XGrpKeyid;
 636                        else
 637                                pattrib->key_idx = 0;
 638                        break;
 639                default:
 640                        pattrib->key_idx = 0;
 641                        break;
 642                }
 643
 644        }
 645
 646        switch (pattrib->encrypt) {
 647        case _WEP40_:
 648        case _WEP104_:
 649                pattrib->iv_len = 4;
 650                pattrib->icv_len = 4;
 651                break;
 652
 653        case _TKIP_:
 654                pattrib->iv_len = 8;
 655                pattrib->icv_len = 4;
 656
 657                if (padapter->securitypriv.busetkipkey == _FAIL) {
 658                        RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
 659                                 ("\npadapter->securitypriv.busetkip"
 660                                  "key(%d) == _FAIL drop packet\n",
 661                                  padapter->securitypriv.busetkipkey));
 662                        res = _FAIL;
 663                        goto exit;
 664                }
 665
 666                break;
 667        case _AES_:
 668                RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
 669                         ("pattrib->encrypt =%d (_AES_)\n", pattrib->encrypt));
 670                pattrib->iv_len = 8;
 671                pattrib->icv_len = 8;
 672                break;
 673
 674        default:
 675                pattrib->iv_len = 0;
 676                pattrib->icv_len = 0;
 677                break;
 678        }
 679
 680        RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
 681                 ("update_attrib: encrypt =%d\n", pattrib->encrypt));
 682
 683        if (pattrib->encrypt && psecuritypriv->hw_decrypted == false) {
 684                pattrib->bswenc = true;
 685                RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
 686                         ("update_attrib: encrypt =%d bswenc = true\n",
 687                          pattrib->encrypt));
 688        } else {
 689                pattrib->bswenc = false;
 690                RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
 691                         ("update_attrib: bswenc = false\n"));
 692        }
 693        update_attrib_phy_info(pattrib, psta);
 694
 695exit:
 696
 697        return res;
 698}
 699
 700static s32 xmitframe_addmic(struct rtw_adapter *padapter,
 701                            struct xmit_frame *pxmitframe) {
 702        struct mic_data micdata;
 703        struct sta_info *stainfo;
 704        struct pkt_attrib *pattrib = &pxmitframe->attrib;
 705        struct security_priv *psecuritypriv = &padapter->securitypriv;
 706        struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
 707        int curfragnum, length;
 708        u8 *pframe, *payload, mic[8];
 709        u8 priority[4]= {0x0, 0x0, 0x0, 0x0};
 710        u8 hw_hdr_offset = 0;
 711        int bmcst = is_multicast_ether_addr(pattrib->ra);
 712
 713        if (pattrib->psta) {
 714                stainfo = pattrib->psta;
 715        } else {
 716                DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
 717                stainfo = rtw_get_stainfo23a(&padapter->stapriv, &pattrib->ra[0]);
 718        }
 719
 720        if (!stainfo) {
 721                DBG_8723A("%s, psta == NUL\n", __func__);
 722                return _FAIL;
 723        }
 724
 725        if (!(stainfo->state &_FW_LINKED)) {
 726                DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n",
 727                          __func__, stainfo->state);
 728                return _FAIL;
 729        }
 730
 731        hw_hdr_offset = TXDESC_OFFSET;
 732
 733        if (pattrib->encrypt == _TKIP_) {
 734                /* encode mic code */
 735                if (stainfo) {
 736                        u8 null_key[16]={0x0, 0x0, 0x0, 0x0,
 737                                         0x0, 0x0, 0x0, 0x0,
 738                                         0x0, 0x0, 0x0, 0x0,
 739                                         0x0, 0x0, 0x0, 0x0};
 740
 741                        pframe = pxmitframe->buf_addr + hw_hdr_offset;
 742
 743                        if (bmcst) {
 744                                if (!memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16)) {
 745                                        return _FAIL;
 746                                }
 747                                /* start to calculate the mic code */
 748                                rtw_secmicsetkey23a(&micdata, psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey);
 749                        } else {
 750                                if (!memcmp(&stainfo->dot11tkiptxmickey.skey[0],
 751                                            null_key, 16)) {
 752                                        return _FAIL;
 753                                }
 754                                /* start to calculate the mic code */
 755                                rtw_secmicsetkey23a(&micdata, &stainfo->dot11tkiptxmickey.skey[0]);
 756                        }
 757
 758                        if (pframe[1] & 1) {   /* ToDS == 1 */
 759                                /* DA */
 760                                rtw_secmicappend23a(&micdata, &pframe[16], 6);
 761                                if (pframe[1] & 2)  /* From Ds == 1 */
 762                                        rtw_secmicappend23a(&micdata,
 763                                                         &pframe[24], 6);
 764                                else
 765                                        rtw_secmicappend23a(&micdata,
 766                                                         &pframe[10], 6);
 767                        } else {        /* ToDS == 0 */
 768                                /* DA */
 769                                rtw_secmicappend23a(&micdata, &pframe[4], 6);
 770                                if (pframe[1] & 2)  /* From Ds == 1 */
 771                                        rtw_secmicappend23a(&micdata,
 772                                                         &pframe[16], 6);
 773                                else
 774                                        rtw_secmicappend23a(&micdata,
 775                                                         &pframe[10], 6);
 776                        }
 777
 778                        /* if (pqospriv->qos_option == 1) */
 779                        if (pattrib->qos_en)
 780                                priority[0] = (u8)pxmitframe->attrib.priority;
 781
 782                        rtw_secmicappend23a(&micdata, &priority[0], 4);
 783
 784                        payload = pframe;
 785
 786                        for (curfragnum = 0; curfragnum < pattrib->nr_frags;
 787                             curfragnum++) {
 788                                payload = PTR_ALIGN(payload, 4);
 789                                RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
 790                                         ("=== curfragnum =%d, pframe = 0x%.2x, "
 791                                          "0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x"
 792                                          "%.2x, 0x%.2x, 0x%.2x,!!!\n",
 793                                          curfragnum, *payload, *(payload + 1),
 794                                          *(payload + 2), *(payload + 3),
 795                                          *(payload + 4), *(payload + 5),
 796                                          *(payload + 6), *(payload + 7)));
 797
 798                                payload = payload + pattrib->hdrlen +
 799                                        pattrib->iv_len;
 800                                RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
 801                                         ("curfragnum =%d pattrib->hdrlen =%d "
 802                                          "pattrib->iv_len =%d", curfragnum,
 803                                          pattrib->hdrlen, pattrib->iv_len));
 804                                if ((curfragnum + 1) == pattrib->nr_frags) {
 805                                        length = pattrib->last_txcmdsz -
 806                                                pattrib->hdrlen -
 807                                                pattrib->iv_len -
 808                                                ((pattrib->bswenc) ?
 809                                                 pattrib->icv_len : 0);
 810                                        rtw_secmicappend23a(&micdata, payload,
 811                                                         length);
 812                                        payload = payload + length;
 813                                } else {
 814                                        length = pxmitpriv->frag_len -
 815                                                pattrib->hdrlen -
 816                                                pattrib->iv_len -
 817                                                ((pattrib->bswenc) ?
 818                                                 pattrib->icv_len : 0);
 819                                        rtw_secmicappend23a(&micdata, payload,
 820                                                         length);
 821                                        payload = payload + length +
 822                                                pattrib->icv_len;
 823                                        RT_TRACE(_module_rtl871x_xmit_c_,
 824                                                 _drv_err_,
 825                                                 ("curfragnum =%d length =%d "
 826                                                  "pattrib->icv_len =%d",
 827                                                  curfragnum, length,
 828                                                  pattrib->icv_len));
 829                                }
 830                        }
 831                        rtw_secgetmic23a(&micdata, &mic[0]);
 832                        RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
 833                                 ("xmitframe_addmic: before add mic code!!\n"));
 834                        RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
 835                                 ("xmitframe_addmic: pattrib->last_txcmdsz ="
 836                                  "%d!!!\n", pattrib->last_txcmdsz));
 837                        RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
 838                                 ("xmitframe_addmic: mic[0]= 0x%.2x , mic[1]="
 839                                  "0x%.2x , mic[2]= 0x%.2x , mic[3]= 0x%.2x\n"
 840                                  "mic[4]= 0x%.2x , mic[5]= 0x%.2x , mic[6]= 0x%.2x "
 841                                  ", mic[7]= 0x%.2x !!!!\n", mic[0], mic[1],
 842                                  mic[2], mic[3], mic[4], mic[5], mic[6],
 843                                  mic[7]));
 844                        /* add mic code  and add the mic code length
 845                           in last_txcmdsz */
 846
 847                        memcpy(payload, &mic[0], 8);
 848                        pattrib->last_txcmdsz += 8;
 849
 850                        RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
 851                                 ("\n ======== last pkt ========\n"));
 852                        payload = payload - pattrib->last_txcmdsz + 8;
 853                        for (curfragnum = 0; curfragnum < pattrib->last_txcmdsz;
 854                             curfragnum = curfragnum + 8)
 855                                RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
 856                                         (" %.2x,  %.2x,  %.2x,  %.2x,  %.2x, "
 857                                          " %.2x,  %.2x,  %.2x ",
 858                                          *(payload + curfragnum),
 859                                          *(payload + curfragnum + 1),
 860                                          *(payload + curfragnum + 2),
 861                                          *(payload + curfragnum + 3),
 862                                          *(payload + curfragnum + 4),
 863                                          *(payload + curfragnum + 5),
 864                                          *(payload + curfragnum + 6),
 865                                          *(payload + curfragnum + 7)));
 866                        } else {
 867                                RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
 868                                         ("xmitframe_addmic: rtw_get_stainfo23a =="
 869                                          "NULL!!!\n"));
 870                }
 871        }
 872
 873        return _SUCCESS;
 874}
 875
 876static s32 xmitframe_swencrypt(struct rtw_adapter *padapter,
 877                               struct xmit_frame *pxmitframe)
 878{
 879        struct pkt_attrib *pattrib = &pxmitframe->attrib;
 880
 881        /* if ((psecuritypriv->sw_encrypt)||(pattrib->bswenc)) */
 882        if (pattrib->bswenc) {
 883                /* DBG_8723A("start xmitframe_swencrypt\n"); */
 884                RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_,
 885                         ("### xmitframe_swencrypt\n"));
 886                switch (pattrib->encrypt) {
 887                case _WEP40_:
 888                case _WEP104_:
 889                        rtw_wep_encrypt23a(padapter, pxmitframe);
 890                        break;
 891                case _TKIP_:
 892                        rtw_tkip_encrypt23a(padapter, pxmitframe);
 893                        break;
 894                case _AES_:
 895                        rtw_aes_encrypt23a(padapter, pxmitframe);
 896                        break;
 897                default:
 898                                break;
 899                }
 900
 901        } else {
 902                RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_,
 903                         ("### xmitframe_hwencrypt\n"));
 904        }
 905
 906        return _SUCCESS;
 907}
 908
 909s32 rtw_make_wlanhdr23a(struct rtw_adapter *padapter, u8 *hdr,
 910                        struct pkt_attrib *pattrib)
 911{
 912        u16 *qc;
 913
 914        struct ieee80211_hdr *pwlanhdr = (struct ieee80211_hdr *)hdr;
 915        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 916        struct qos_priv *pqospriv = &pmlmepriv->qospriv;
 917        u8 qos_option = false;
 918        int res = _SUCCESS;
 919        u16 *fctrl = &pwlanhdr->frame_control;
 920
 921        struct sta_info *psta;
 922
 923        int bmcst = is_multicast_ether_addr(pattrib->ra);
 924
 925        if (pattrib->psta) {
 926                psta = pattrib->psta;
 927        } else {
 928                DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
 929                if (bmcst) {
 930                        psta = rtw_get_bcmc_stainfo23a(padapter);
 931                } else {
 932                        psta = rtw_get_stainfo23a(&padapter->stapriv, pattrib->ra);
 933                }
 934        }
 935
 936        if (psta == NULL) {
 937                DBG_8723A("%s, psta == NUL\n", __func__);
 938                return _FAIL;
 939        }
 940
 941        if (!(psta->state &_FW_LINKED)) {
 942                DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
 943                return _FAIL;
 944        }
 945
 946        memset(hdr, 0, WLANHDR_OFFSET);
 947
 948        SetFrameSubType(fctrl, pattrib->subtype);
 949
 950        if (pattrib->subtype & WIFI_DATA_TYPE) {
 951                if ((check_fwstate(pmlmepriv,  WIFI_STATION_STATE) == true)) {
 952                        /* to_ds = 1, fr_ds = 0; */
 953                        /* Data transfer to AP */
 954                        SetToDs(fctrl);
 955                        memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN);
 956                        memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
 957                        memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN);
 958
 959                        if (pqospriv->qos_option)
 960                                qos_option = true;
 961
 962                }
 963                else if ((check_fwstate(pmlmepriv,  WIFI_AP_STATE) == true)) {
 964                        /* to_ds = 0, fr_ds = 1; */
 965                        SetFrDs(fctrl);
 966                        memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
 967                        memcpy(pwlanhdr->addr2, get_bssid(pmlmepriv), ETH_ALEN);
 968                        memcpy(pwlanhdr->addr3, pattrib->src, ETH_ALEN);
 969
 970                        if (psta->qos_option)
 971                                qos_option = true;
 972                }
 973                else if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) ||
 974                (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)) {
 975                        memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
 976                        memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
 977                        memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN);
 978
 979                        if (psta->qos_option)
 980                                qos_option = true;
 981                }
 982                else {
 983                        RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("fw_state:%x is not allowed to xmit frame\n", get_fwstate(pmlmepriv)));
 984                        res = _FAIL;
 985                        goto exit;
 986                }
 987                if (pattrib->mdata)
 988                        SetMData(fctrl);
 989                if (pattrib->encrypt)
 990                        SetPrivacy(fctrl);
 991                if (qos_option) {
 992                        qc = (unsigned short *)(hdr + pattrib->hdrlen - 2);
 993                        if (pattrib->priority)
 994                                SetPriority(qc, pattrib->priority);
 995                        SetEOSP(qc, pattrib->eosp);
 996                        SetAckpolicy(qc, pattrib->ack_policy);
 997                }
 998                /* TODO: fill HT Control Field */
 999
1000                /* Update Seq Num will be handled by f/w */
1001                if (psta) {
1002                        psta->sta_xmitpriv.txseq_tid[pattrib->priority]++;
1003                        psta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF;
1004                        pattrib->seqnum = psta->sta_xmitpriv.txseq_tid[pattrib->priority];
1005                        SetSeqNum(hdr, pattrib->seqnum);
1006                        /* check if enable ampdu */
1007                        if (pattrib->ht_en && psta->htpriv.ampdu_enable) {
1008                                if (psta->htpriv.agg_enable_bitmap & CHKBIT(pattrib->priority))
1009                                pattrib->ampdu_en = true;
1010                        }
1011                        /* re-check if enable ampdu by BA_starting_seqctrl */
1012                        if (pattrib->ampdu_en) {
1013                                u16 tx_seq;
1014
1015                                tx_seq = psta->BA_starting_seqctrl[pattrib->priority & 0x0f];
1016
1017                                /* check BA_starting_seqctrl */
1018                                if (SN_LESS(pattrib->seqnum, tx_seq)) {
1019                                        /* DBG_8723A("tx ampdu seqnum(%d) < tx_seq(%d)\n", pattrib->seqnum, tx_seq); */
1020                                        pattrib->ampdu_en = false;/* AGG BK */
1021                                } else if (SN_EQUAL(pattrib->seqnum, tx_seq)) {
1022                                        psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (tx_seq+1)&0xfff;
1023                                        pattrib->ampdu_en = true;/* AGG EN */
1024                                } else {
1025                                        /* DBG_8723A("tx ampdu over run\n"); */
1026                                        psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (pattrib->seqnum+1)&0xfff;
1027                                        pattrib->ampdu_en = true;/* AGG EN */
1028                                }
1029                        }
1030                }
1031        }
1032exit:
1033        return res;
1034}
1035
1036s32 rtw_txframes_pending23a(struct rtw_adapter *padapter)
1037{
1038        struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1039
1040        return (!_rtw_queue_empty23a(&pxmitpriv->be_pending)) ||
1041               (!_rtw_queue_empty23a(&pxmitpriv->bk_pending)) ||
1042               (!_rtw_queue_empty23a(&pxmitpriv->vi_pending)) ||
1043               (!_rtw_queue_empty23a(&pxmitpriv->vo_pending));
1044}
1045
1046s32 rtw_txframes_sta_ac_pending23a(struct rtw_adapter *padapter,
1047                                struct pkt_attrib *pattrib)
1048{
1049        struct sta_info *psta;
1050        struct tx_servq *ptxservq;
1051        int priority = pattrib->priority;
1052
1053        if (pattrib->psta) {
1054                psta = pattrib->psta;
1055        } else {
1056                DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
1057                psta = rtw_get_stainfo23a(&padapter->stapriv, &pattrib->ra[0]);
1058        }
1059        if (psta == NULL) {
1060                DBG_8723A("%s, psta == NUL\n", __func__);
1061                return 0;
1062        }
1063        if (!(psta->state &_FW_LINKED)) {
1064                DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__,
1065                          psta->state);
1066                return 0;
1067        }
1068        switch (priority) {
1069        case 1:
1070        case 2:
1071                ptxservq = &psta->sta_xmitpriv.bk_q;
1072                break;
1073        case 4:
1074        case 5:
1075                ptxservq = &psta->sta_xmitpriv.vi_q;
1076                break;
1077        case 6:
1078        case 7:
1079                ptxservq = &psta->sta_xmitpriv.vo_q;
1080                break;
1081        case 0:
1082        case 3:
1083        default:
1084                ptxservq = &psta->sta_xmitpriv.be_q;
1085                break;
1086        }
1087        return ptxservq->qcnt;
1088}
1089
1090/*
1091 * Calculate wlan 802.11 packet MAX size from pkt_attrib
1092 * This function doesn't consider fragment case
1093 */
1094u32 rtw_calculate_wlan_pkt_size_by_attribue23a(struct pkt_attrib *pattrib)
1095{
1096        u32     len = 0;
1097
1098        len = pattrib->hdrlen + pattrib->iv_len; /*  WLAN Header and IV */
1099        len += SNAP_SIZE + sizeof(u16); /*  LLC */
1100        len += pattrib->pktlen;
1101        if (pattrib->encrypt == _TKIP_) len += 8; /*  MIC */
1102        len += ((pattrib->bswenc) ? pattrib->icv_len : 0); /*  ICV */
1103
1104        return len;
1105}
1106
1107/*
1108
1109This sub-routine will perform all the following:
1110
11111. remove 802.3 header.
11122. create wlan_header, based on the info in pxmitframe
11133. append sta's iv/ext-iv
11144. append LLC
11155. move frag chunk from pframe to pxmitframe->mem
11166. apply sw-encrypt, if necessary.
1117
1118*/
1119s32 rtw_xmitframe_coalesce23a(struct rtw_adapter *padapter, struct sk_buff *pkt,
1120                              struct xmit_frame *pxmitframe)
1121{
1122        struct pkt_file pktfile;
1123        struct sta_info         *psta;
1124        struct xmit_priv        *pxmitpriv = &padapter->xmitpriv;
1125        struct pkt_attrib       *pattrib = &pxmitframe->attrib;
1126        s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz;
1127        u8 *pframe, *mem_start;
1128        u8 hw_hdr_offset;
1129        u8 *pbuf_start;
1130
1131        s32 bmcst = is_multicast_ether_addr(pattrib->ra);
1132        s32 res = _SUCCESS;
1133
1134        if (pattrib->psta) {
1135                psta = pattrib->psta;
1136        } else {
1137                DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
1138                psta = rtw_get_stainfo23a(&padapter->stapriv, pattrib->ra);
1139        }
1140
1141        if (psta == NULL) {
1142                DBG_8723A("%s, psta == NUL\n", __func__);
1143                return _FAIL;
1144        }
1145
1146        if (!(psta->state &_FW_LINKED)) {
1147                DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
1148                return _FAIL;
1149        }
1150
1151        if (pxmitframe->buf_addr == NULL) {
1152                DBG_8723A("==> %s buf_addr == NULL\n", __func__);
1153                return _FAIL;
1154        }
1155
1156        pbuf_start = pxmitframe->buf_addr;
1157
1158        hw_hdr_offset = TXDESC_OFFSET;
1159
1160        mem_start = pbuf_start +        hw_hdr_offset;
1161
1162        if (rtw_make_wlanhdr23a(padapter, mem_start, pattrib) == _FAIL) {
1163                RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1164                         ("rtw_xmitframe_coalesce23a: rtw_make_wlanhdr23a "
1165                          "fail; drop pkt\n"));
1166                res = _FAIL;
1167                goto exit;
1168        }
1169
1170        _rtw_open_pktfile23a(pkt, &pktfile);
1171        _rtw_pktfile_read23a(&pktfile, NULL, pattrib->pkt_hdrlen);
1172
1173        frg_inx = 0;
1174        frg_len = pxmitpriv->frag_len - 4;/* 2346-4 = 2342 */
1175
1176        while (1) {
1177                llc_sz = 0;
1178
1179                mpdu_len = frg_len;
1180
1181                pframe = mem_start;
1182
1183                SetMFrag(mem_start);
1184
1185                pframe += pattrib->hdrlen;
1186                mpdu_len -= pattrib->hdrlen;
1187
1188                /* adding icv, if necessary... */
1189                if (pattrib->iv_len) {
1190                        if (psta != NULL) {
1191                                switch (pattrib->encrypt) {
1192                                case _WEP40_:
1193                                case _WEP104_:
1194                                        WEP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
1195                                        break;
1196                                case _TKIP_:
1197                                        if (bmcst)
1198                                                TKIP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
1199                                        else
1200                                                TKIP_IV(pattrib->iv, psta->dot11txpn, 0);
1201                                        break;
1202                                case _AES_:
1203                                        if (bmcst)
1204                                                AES_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
1205                                        else
1206                                                AES_IV(pattrib->iv, psta->dot11txpn, 0);
1207                                        break;
1208                                }
1209                        }
1210
1211                        memcpy(pframe, pattrib->iv, pattrib->iv_len);
1212
1213                        RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_,
1214                                 ("rtw_xmiaframe_coalesce23a: keyid =%d pattrib"
1215                                  "->iv[3]=%.2x pframe =%.2x %.2x %.2x %.2x\n",
1216                                  padapter->securitypriv.dot11PrivacyKeyIndex,
1217                                  pattrib->iv[3], *pframe, *(pframe+1),
1218                                  *(pframe+2), *(pframe+3)));
1219                        pframe += pattrib->iv_len;
1220                        mpdu_len -= pattrib->iv_len;
1221                }
1222                if (frg_inx == 0) {
1223                        llc_sz = rtw_put_snap23a(pframe, pattrib->ether_type);
1224                        pframe += llc_sz;
1225                        mpdu_len -= llc_sz;
1226                }
1227
1228                if ((pattrib->icv_len >0) && (pattrib->bswenc))
1229                        mpdu_len -= pattrib->icv_len;
1230
1231                if (bmcst) {
1232                        /*  don't do fragment to broadcat/multicast packets */
1233                        mem_sz = _rtw_pktfile_read23a(&pktfile, pframe, pattrib->pktlen);
1234                } else {
1235                        mem_sz = _rtw_pktfile_read23a(&pktfile, pframe, mpdu_len);
1236                }
1237                pframe += mem_sz;
1238
1239                if ((pattrib->icv_len >0) && (pattrib->bswenc)) {
1240                        memcpy(pframe, pattrib->icv, pattrib->icv_len);
1241                        pframe += pattrib->icv_len;
1242                }
1243
1244                frg_inx++;
1245
1246                if (bmcst || (rtw_endofpktfile23a(&pktfile))) {
1247                        pattrib->nr_frags = frg_inx;
1248
1249                        pattrib->last_txcmdsz = pattrib->hdrlen +
1250                                                pattrib->iv_len +
1251                                                ((pattrib->nr_frags == 1) ?
1252                                                llc_sz : 0) +
1253                                                ((pattrib->bswenc) ?
1254                                                pattrib->icv_len : 0) + mem_sz;
1255
1256                        ClearMFrag(mem_start);
1257
1258                        break;
1259                } else {
1260                        RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: There're still something in packet!\n", __func__));
1261                }
1262
1263                mem_start = PTR_ALIGN(pframe, 4) + hw_hdr_offset;
1264                memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen);
1265
1266        }
1267
1268        if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) {
1269                RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n"));
1270                DBG_8723A("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n");
1271                res = _FAIL;
1272                goto exit;
1273        }
1274
1275        xmitframe_swencrypt(padapter, pxmitframe);
1276
1277        if (bmcst == false)
1278                update_attrib_vcs_info(padapter, pxmitframe);
1279        else
1280                pattrib->vcs_mode = NONE_VCS;
1281
1282exit:
1283        return res;
1284}
1285
1286/* Logical Link Control(LLC) SubNetwork Attachment Point(SNAP) header
1287 * IEEE LLC/SNAP header contains 8 octets
1288 * First 3 octets comprise the LLC portion
1289 * SNAP portion, 5 octets, is divided into two fields:
1290 *      Organizationally Unique Identifier(OUI), 3 octets,
1291 *      type, defined by that organization, 2 octets.
1292 */
1293s32 rtw_put_snap23a(u8 *data, u16 h_proto)
1294{
1295        struct ieee80211_snap_hdr *snap;
1296        u8 *oui;
1297
1298        snap = (struct ieee80211_snap_hdr *)data;
1299        snap->dsap = 0xaa;
1300        snap->ssap = 0xaa;
1301        snap->ctrl = 0x03;
1302
1303        if (h_proto == 0x8137 || h_proto == 0x80f3)
1304                oui = P802_1H_OUI;
1305        else
1306                oui = RFC1042_OUI;
1307        snap->oui[0] = oui[0];
1308        snap->oui[1] = oui[1];
1309        snap->oui[2] = oui[2];
1310        *(u16 *)(data + SNAP_SIZE) = htons(h_proto);
1311        return SNAP_SIZE + sizeof(u16);
1312}
1313
1314void rtw_update_protection23a(struct rtw_adapter *padapter, u8 *ie, uint ie_len)
1315{
1316        struct  xmit_priv *pxmitpriv = &padapter->xmitpriv;
1317        struct  registry_priv *pregistrypriv = &padapter->registrypriv;
1318        uint    protection;
1319        u8      *perp;
1320        int      erp_len;
1321
1322        switch (pxmitpriv->vcs_setting) {
1323        case DISABLE_VCS:
1324                pxmitpriv->vcs = NONE_VCS;
1325                break;
1326        case ENABLE_VCS:
1327                break;
1328        case AUTO_VCS:
1329        default:
1330                perp = rtw_get_ie23a(ie, _ERPINFO_IE_, &erp_len, ie_len);
1331                if (perp == NULL) {
1332                        pxmitpriv->vcs = NONE_VCS;
1333                } else {
1334                        protection = (*(perp + 2)) & BIT(1);
1335                        if (protection) {
1336                                if (pregistrypriv->vcs_type == RTS_CTS)
1337                                        pxmitpriv->vcs = RTS_CTS;
1338                                else
1339                                        pxmitpriv->vcs = CTS_TO_SELF;
1340                        } else {
1341                                pxmitpriv->vcs = NONE_VCS;
1342                        }
1343                }
1344                break;
1345        }
1346}
1347
1348void rtw_count_tx_stats23a(struct rtw_adapter *padapter, struct xmit_frame *pxmitframe, int sz)
1349{
1350        struct sta_info *psta = NULL;
1351        struct stainfo_stats *pstats = NULL;
1352        struct xmit_priv        *pxmitpriv = &padapter->xmitpriv;
1353        struct mlme_priv        *pmlmepriv = &padapter->mlmepriv;
1354
1355        if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) {
1356                pxmitpriv->tx_bytes += sz;
1357                pmlmepriv->LinkDetectInfo.NumTxOkInPeriod++;
1358
1359                psta = pxmitframe->attrib.psta;
1360                if (psta) {
1361                        pstats = &psta->sta_stats;
1362                        pstats->tx_pkts++;
1363                        pstats->tx_bytes += sz;
1364                }
1365        }
1366}
1367
1368struct xmit_buf *rtw_alloc_xmitbuf23a_ext(struct xmit_priv *pxmitpriv)
1369{
1370        unsigned long irqL;
1371        struct xmit_buf *pxmitbuf =  NULL;
1372        struct list_head *phead;
1373        struct rtw_queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
1374
1375        spin_lock_irqsave(&pfree_queue->lock, irqL);
1376
1377        phead = get_list_head(pfree_queue);
1378
1379        if (!list_empty(phead)) {
1380                pxmitbuf = list_first_entry(phead, struct xmit_buf, list);
1381
1382                list_del_init(&pxmitbuf->list);
1383
1384                pxmitpriv->free_xmit_extbuf_cnt--;
1385                pxmitbuf->priv_data = NULL;
1386                pxmitbuf->ext_tag = true;
1387
1388                if (pxmitbuf->sctx) {
1389                        DBG_8723A("%s pxmitbuf->sctx is not NULL\n", __func__);
1390                        rtw23a_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1391                }
1392        }
1393
1394        spin_unlock_irqrestore(&pfree_queue->lock, irqL);
1395
1396        return pxmitbuf;
1397}
1398
1399s32 rtw_free_xmitbuf_ext23a(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
1400{
1401        unsigned long irqL;
1402        struct rtw_queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
1403
1404        if (pxmitbuf == NULL)
1405                return _FAIL;
1406
1407        spin_lock_irqsave(&pfree_queue->lock, irqL);
1408
1409        list_del_init(&pxmitbuf->list);
1410
1411        list_add_tail(&pxmitbuf->list, get_list_head(pfree_queue));
1412        pxmitpriv->free_xmit_extbuf_cnt++;
1413
1414        spin_unlock_irqrestore(&pfree_queue->lock, irqL);
1415
1416        return _SUCCESS;
1417}
1418
1419struct xmit_buf *rtw_alloc_xmitbuf23a(struct xmit_priv *pxmitpriv)
1420{
1421        unsigned long irqL;
1422        struct xmit_buf *pxmitbuf =  NULL;
1423        struct list_head *phead;
1424        struct rtw_queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
1425
1426        /* DBG_8723A("+rtw_alloc_xmitbuf23a\n"); */
1427
1428        spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL);
1429
1430        phead = get_list_head(pfree_xmitbuf_queue);
1431
1432        if (!list_empty(phead)) {
1433                pxmitbuf = list_first_entry(phead, struct xmit_buf, list);
1434
1435                list_del_init(&pxmitbuf->list);
1436
1437                pxmitpriv->free_xmitbuf_cnt--;
1438                pxmitbuf->priv_data = NULL;
1439                pxmitbuf->ext_tag = false;
1440                pxmitbuf->flags = XMIT_VO_QUEUE;
1441
1442                if (pxmitbuf->sctx) {
1443                        DBG_8723A("%s pxmitbuf->sctx is not NULL\n", __func__);
1444                        rtw23a_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1445                }
1446        }
1447
1448        spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irqL);
1449
1450        return pxmitbuf;
1451}
1452
1453s32 rtw_free_xmitbuf23a(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
1454{
1455        unsigned long irqL;
1456        struct rtw_queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
1457
1458        /* DBG_8723A("+rtw_free_xmitbuf23a\n"); */
1459
1460        if (pxmitbuf == NULL)
1461                return _FAIL;
1462
1463        if (pxmitbuf->sctx) {
1464                DBG_8723A("%s pxmitbuf->sctx is not NULL\n", __func__);
1465                rtw23a_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE);
1466        }
1467
1468        if (pxmitbuf->ext_tag) {
1469                rtw_free_xmitbuf_ext23a(pxmitpriv, pxmitbuf);
1470        } else {
1471                spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL);
1472
1473                list_del_init(&pxmitbuf->list);
1474
1475                list_add_tail(&pxmitbuf->list,
1476                              get_list_head(pfree_xmitbuf_queue));
1477
1478                pxmitpriv->free_xmitbuf_cnt++;
1479                spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irqL);
1480        }
1481
1482        return _SUCCESS;
1483}
1484
1485static void rtw_init_xmitframe(struct xmit_frame *pxframe)
1486{
1487        if (pxframe !=  NULL) {
1488                /* default value setting */
1489                pxframe->buf_addr = NULL;
1490                pxframe->pxmitbuf = NULL;
1491
1492                memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib));
1493                /* pxframe->attrib.psta = NULL; */
1494
1495                pxframe->frame_tag = DATA_FRAMETAG;
1496
1497                pxframe->pkt = NULL;
1498                pxframe->pkt_offset = 1;/* default use pkt_offset to fill tx desc */
1499
1500                pxframe->ack_report = 0;
1501        }
1502}
1503
1504/*
1505Calling context:
15061. OS_TXENTRY
15072. RXENTRY (rx_thread or RX_ISR/RX_CallBack)
1508
1509If we turn on USE_RXTHREAD, then, no need for critical section.
1510Otherwise, we must use _enter/_exit critical to protect free_xmit_queue...
1511
1512Must be very very cautious...
1513
1514*/
1515struct xmit_frame *rtw_alloc_xmitframe23a(struct xmit_priv *pxmitpriv)/* _queue *pfree_xmit_queue) */
1516{
1517        /*
1518                Please remember to use all the osdep_service api,
1519                and lock/unlock or _enter/_exit critical to protect
1520                pfree_xmit_queue
1521        */
1522
1523        struct xmit_frame *pxframe = NULL;
1524        struct list_head *plist, *phead;
1525        struct rtw_queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
1526
1527        spin_lock_bh(&pfree_xmit_queue->lock);
1528
1529        if (_rtw_queue_empty23a(pfree_xmit_queue) == true) {
1530                RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe23a:%d\n", pxmitpriv->free_xmitframe_cnt));
1531                pxframe =  NULL;
1532        } else {
1533                phead = get_list_head(pfree_xmit_queue);
1534
1535                plist = phead->next;
1536
1537                pxframe = container_of(plist, struct xmit_frame, list);
1538
1539                list_del_init(&pxframe->list);
1540                pxmitpriv->free_xmitframe_cnt--;
1541                RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe23a():free_xmitframe_cnt =%d\n", pxmitpriv->free_xmitframe_cnt));
1542        }
1543
1544        spin_unlock_bh(&pfree_xmit_queue->lock);
1545
1546        rtw_init_xmitframe(pxframe);
1547
1548        return pxframe;
1549}
1550
1551struct xmit_frame *rtw_alloc_xmitframe23a_ext(struct xmit_priv *pxmitpriv)
1552{
1553        struct xmit_frame *pxframe = NULL;
1554        struct list_head *plist, *phead;
1555        struct rtw_queue *queue = &pxmitpriv->free_xframe_ext_queue;
1556
1557        spin_lock_bh(&queue->lock);
1558
1559        if (_rtw_queue_empty23a(queue) == true) {
1560                RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe23a_ext:%d\n", pxmitpriv->free_xframe_ext_cnt));
1561                pxframe =  NULL;
1562        } else {
1563                phead = get_list_head(queue);
1564                plist = phead->next;
1565                pxframe = container_of(plist, struct xmit_frame, list);
1566
1567                list_del_init(&pxframe->list);
1568                pxmitpriv->free_xframe_ext_cnt--;
1569                RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe23a_ext():free_xmitframe_cnt =%d\n", pxmitpriv->free_xframe_ext_cnt));
1570        }
1571
1572        spin_unlock_bh(&queue->lock);
1573
1574        rtw_init_xmitframe(pxframe);
1575
1576        return pxframe;
1577}
1578
1579s32 rtw_free_xmitframe23a(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe)
1580{
1581        struct rtw_queue *queue = NULL;
1582        struct rtw_adapter *padapter = pxmitpriv->adapter;
1583        struct sk_buff *pndis_pkt = NULL;
1584
1585        if (pxmitframe == NULL) {
1586                RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====== rtw_free_xmitframe23a():pxmitframe == NULL!!!!!!!!!!\n"));
1587                goto exit;
1588        }
1589
1590        if (pxmitframe->pkt) {
1591                pndis_pkt = pxmitframe->pkt;
1592                pxmitframe->pkt = NULL;
1593        }
1594
1595        if (pxmitframe->ext_tag == 0)
1596                queue = &pxmitpriv->free_xmit_queue;
1597        else if (pxmitframe->ext_tag == 1)
1598                queue = &pxmitpriv->free_xframe_ext_queue;
1599
1600        if (!queue)
1601                goto check_pkt_complete;
1602        spin_lock_bh(&queue->lock);
1603
1604        list_del_init(&pxmitframe->list);
1605        list_add_tail(&pxmitframe->list, get_list_head(queue));
1606        if (pxmitframe->ext_tag == 0) {
1607                pxmitpriv->free_xmitframe_cnt++;
1608                RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe23a():free_xmitframe_cnt =%d\n", pxmitpriv->free_xmitframe_cnt));
1609        } else if (pxmitframe->ext_tag == 1) {
1610                pxmitpriv->free_xframe_ext_cnt++;
1611                RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe23a():free_xframe_ext_cnt =%d\n", pxmitpriv->free_xframe_ext_cnt));
1612        }
1613
1614        spin_unlock_bh(&queue->lock);
1615
1616check_pkt_complete:
1617
1618        if (pndis_pkt)
1619                rtw_os_pkt_complete23a(padapter, pndis_pkt);
1620
1621exit:
1622
1623        return _SUCCESS;
1624}
1625
1626void rtw_free_xmitframe_queue23a(struct xmit_priv *pxmitpriv,
1627                                 struct rtw_queue *pframequeue)
1628{
1629        struct list_head *plist, *phead, *ptmp;
1630        struct  xmit_frame *pxmitframe;
1631
1632        spin_lock_bh(&pframequeue->lock);
1633
1634        phead = get_list_head(pframequeue);
1635
1636        list_for_each_safe(plist, ptmp, phead) {
1637                pxmitframe = container_of(plist, struct xmit_frame, list);
1638
1639                rtw_free_xmitframe23a(pxmitpriv, pxmitframe);
1640        }
1641        spin_unlock_bh(&pframequeue->lock);
1642
1643}
1644
1645s32 rtw_xmitframe_enqueue23a(struct rtw_adapter *padapter,
1646                             struct xmit_frame *pxmitframe)
1647{
1648        if (rtw_xmit23a_classifier(padapter, pxmitframe) == _FAIL) {
1649                RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1650                         ("rtw_xmitframe_enqueue23a: drop xmit pkt for "
1651                          "classifier fail\n"));
1652                return _FAIL;
1653        }
1654
1655        return _SUCCESS;
1656}
1657
1658static struct xmit_frame *
1659dequeue_one_xmitframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit,
1660                      struct tx_servq *ptxservq, struct rtw_queue *pframe_queue)
1661{
1662        struct list_head *phead;
1663        struct xmit_frame *pxmitframe = NULL;
1664
1665        phead = get_list_head(pframe_queue);
1666
1667        if (!list_empty(phead)) {
1668                pxmitframe = list_first_entry(phead, struct xmit_frame, list);
1669                list_del_init(&pxmitframe->list);
1670                ptxservq->qcnt--;
1671        }
1672        return pxmitframe;
1673}
1674
1675struct xmit_frame *
1676rtw_dequeue_xframe23a(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit_i,
1677                   int entry)
1678{
1679        struct list_head *sta_plist, *sta_phead, *ptmp;
1680        struct hw_xmit *phwxmit;
1681        struct tx_servq *ptxservq = NULL;
1682        struct rtw_queue *pframe_queue = NULL;
1683        struct xmit_frame *pxmitframe = NULL;
1684        struct rtw_adapter *padapter = pxmitpriv->adapter;
1685        struct registry_priv    *pregpriv = &padapter->registrypriv;
1686        int i, inx[4];
1687
1688        inx[0] = 0;
1689        inx[1] = 1;
1690        inx[2] = 2;
1691        inx[3] = 3;
1692        if (pregpriv->wifi_spec == 1) {
1693                int j;
1694
1695                for (j = 0; j < 4; j++)
1696                        inx[j] = pxmitpriv->wmm_para_seq[j];
1697        }
1698
1699        spin_lock_bh(&pxmitpriv->lock);
1700
1701        for (i = 0; i < entry; i++) {
1702                phwxmit = phwxmit_i + inx[i];
1703
1704                sta_phead = get_list_head(phwxmit->sta_queue);
1705
1706                list_for_each_safe(sta_plist, ptmp, sta_phead) {
1707                        ptxservq = container_of(sta_plist, struct tx_servq,
1708                                                tx_pending);
1709
1710                        pframe_queue = &ptxservq->sta_pending;
1711
1712                        pxmitframe = dequeue_one_xmitframe(pxmitpriv, phwxmit, ptxservq, pframe_queue);
1713
1714                        if (pxmitframe) {
1715                                phwxmit->accnt--;
1716
1717                                /* Remove sta node when there is no pending packets. */
1718                                if (_rtw_queue_empty23a(pframe_queue)) /* must be done after get_next and before break */
1719                                        list_del_init(&ptxservq->tx_pending);
1720                                goto exit;
1721                        }
1722                }
1723        }
1724exit:
1725        spin_unlock_bh(&pxmitpriv->lock);
1726        return pxmitframe;
1727}
1728
1729struct tx_servq *rtw_get_sta_pending23a(struct rtw_adapter *padapter, struct sta_info *psta, int up, u8 *ac)
1730{
1731        struct tx_servq *ptxservq = NULL;
1732
1733        switch (up) {
1734        case 1:
1735        case 2:
1736                ptxservq = &psta->sta_xmitpriv.bk_q;
1737                *(ac) = 3;
1738                RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending23a : BK\n"));
1739                break;
1740        case 4:
1741        case 5:
1742                ptxservq = &psta->sta_xmitpriv.vi_q;
1743                *(ac) = 1;
1744                RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending23a : VI\n"));
1745                break;
1746        case 6:
1747        case 7:
1748                ptxservq = &psta->sta_xmitpriv.vo_q;
1749                *(ac) = 0;
1750                RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending23a : VO\n"));
1751                break;
1752        case 0:
1753        case 3:
1754        default:
1755                ptxservq = &psta->sta_xmitpriv.be_q;
1756                *(ac) = 2;
1757                RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending23a : BE\n"));
1758                break;
1759        }
1760        return ptxservq;
1761}
1762
1763/*
1764 * Will enqueue pxmitframe to the proper queue,
1765 * and indicate it to xx_pending list.....
1766 */
1767s32 rtw_xmit23a_classifier(struct rtw_adapter *padapter,
1768                        struct xmit_frame *pxmitframe)
1769{
1770        struct sta_info *psta;
1771        struct tx_servq *ptxservq;
1772        struct pkt_attrib       *pattrib = &pxmitframe->attrib;
1773        struct sta_priv *pstapriv = &padapter->stapriv;
1774        struct hw_xmit  *phwxmits =  padapter->xmitpriv.hwxmits;
1775        u8      ac_index;
1776        int res = _SUCCESS;
1777
1778        if (pattrib->psta) {
1779                psta = pattrib->psta;
1780        } else {
1781                DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
1782                psta = rtw_get_stainfo23a(pstapriv, pattrib->ra);
1783        }
1784        if (psta == NULL) {
1785                res = _FAIL;
1786                DBG_8723A("rtw_xmit23a_classifier: psta == NULL\n");
1787                RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1788                         ("rtw_xmit23a_classifier: psta == NULL\n"));
1789                goto exit;
1790        }
1791        if (!(psta->state & _FW_LINKED)) {
1792                DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__,
1793                          psta->state);
1794                return _FAIL;
1795        }
1796        ptxservq = rtw_get_sta_pending23a(padapter, psta, pattrib->priority,
1797                                       (u8 *)(&ac_index));
1798
1799        if (list_empty(&ptxservq->tx_pending)) {
1800                list_add_tail(&ptxservq->tx_pending,
1801                              get_list_head(phwxmits[ac_index].sta_queue));
1802        }
1803
1804        list_add_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending));
1805        ptxservq->qcnt++;
1806        phwxmits[ac_index].accnt++;
1807exit:
1808        return res;
1809}
1810
1811void rtw_alloc_hwxmits23a(struct rtw_adapter *padapter)
1812{
1813        struct hw_xmit *hwxmits;
1814        struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1815        int size;
1816
1817        pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;
1818
1819        size = sizeof(struct hw_xmit) * (pxmitpriv->hwxmit_entry + 1);
1820        pxmitpriv->hwxmits = kzalloc(size, GFP_KERNEL);
1821
1822        hwxmits = pxmitpriv->hwxmits;
1823
1824        if (pxmitpriv->hwxmit_entry == 5) {
1825                /* pxmitpriv->bmc_txqueue.head = 0; */
1826                /* hwxmits[0] .phwtxqueue = &pxmitpriv->bmc_txqueue; */
1827                hwxmits[0] .sta_queue = &pxmitpriv->bm_pending;
1828
1829                /* pxmitpriv->vo_txqueue.head = 0; */
1830                /* hwxmits[1] .phwtxqueue = &pxmitpriv->vo_txqueue; */
1831                hwxmits[1] .sta_queue = &pxmitpriv->vo_pending;
1832
1833                /* pxmitpriv->vi_txqueue.head = 0; */
1834                /* hwxmits[2] .phwtxqueue = &pxmitpriv->vi_txqueue; */
1835                hwxmits[2] .sta_queue = &pxmitpriv->vi_pending;
1836
1837                /* pxmitpriv->bk_txqueue.head = 0; */
1838                /* hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue; */
1839                hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
1840
1841                /* pxmitpriv->be_txqueue.head = 0; */
1842                /* hwxmits[4] .phwtxqueue = &pxmitpriv->be_txqueue; */
1843                hwxmits[4] .sta_queue = &pxmitpriv->be_pending;
1844
1845        } else if (pxmitpriv->hwxmit_entry == 4) {
1846
1847                /* pxmitpriv->vo_txqueue.head = 0; */
1848                /* hwxmits[0] .phwtxqueue = &pxmitpriv->vo_txqueue; */
1849                hwxmits[0] .sta_queue = &pxmitpriv->vo_pending;
1850
1851                /* pxmitpriv->vi_txqueue.head = 0; */
1852                /* hwxmits[1] .phwtxqueue = &pxmitpriv->vi_txqueue; */
1853                hwxmits[1] .sta_queue = &pxmitpriv->vi_pending;
1854
1855                /* pxmitpriv->be_txqueue.head = 0; */
1856                /* hwxmits[2] .phwtxqueue = &pxmitpriv->be_txqueue; */
1857                hwxmits[2] .sta_queue = &pxmitpriv->be_pending;
1858
1859                /* pxmitpriv->bk_txqueue.head = 0; */
1860                /* hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue; */
1861                hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
1862        } else {
1863
1864        }
1865}
1866
1867void rtw_free_hwxmits23a(struct rtw_adapter *padapter)
1868{
1869        struct hw_xmit *hwxmits;
1870        struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1871
1872        hwxmits = pxmitpriv->hwxmits;
1873        kfree(hwxmits);
1874}
1875
1876void rtw_init_hwxmits23a(struct hw_xmit *phwxmit, int entry)
1877{
1878        int i;
1879
1880        for (i = 0; i < entry; i++, phwxmit++)
1881                phwxmit->accnt = 0;
1882}
1883
1884u32 rtw_get_ff_hwaddr23a(struct xmit_frame *pxmitframe)
1885{
1886        u32 addr;
1887        struct pkt_attrib *pattrib = &pxmitframe->attrib;
1888
1889        switch (pattrib->qsel) {
1890        case 0:
1891        case 3:
1892                addr = BE_QUEUE_INX;
1893                break;
1894        case 1:
1895        case 2:
1896                addr = BK_QUEUE_INX;
1897                break;
1898        case 4:
1899        case 5:
1900                addr = VI_QUEUE_INX;
1901                break;
1902        case 6:
1903        case 7:
1904                addr = VO_QUEUE_INX;
1905                break;
1906        case 0x10:
1907                addr = BCN_QUEUE_INX;
1908                break;
1909        case 0x11:/* BC/MC in PS (HIQ) */
1910                addr = HIGH_QUEUE_INX;
1911                break;
1912        case 0x12:
1913        default:
1914                addr = MGT_QUEUE_INX;
1915                break;
1916        }
1917
1918        return addr;
1919}
1920
1921static void do_queue_select(struct rtw_adapter  *padapter, struct pkt_attrib *pattrib)
1922{
1923        u8 qsel;
1924
1925        qsel = pattrib->priority;
1926        RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1927                 ("### do_queue_select priority =%d , qsel = %d\n",
1928                  pattrib->priority, qsel));
1929
1930        pattrib->qsel = qsel;
1931}
1932
1933/*
1934 * The main transmit(tx) entry
1935 *
1936 * Return
1937 *      1       enqueue
1938 *      0       success, hardware will handle this xmit frame(packet)
1939 *      <0      fail
1940 */
1941int rtw_xmit23a(struct rtw_adapter *padapter, struct sk_buff *skb)
1942{
1943        struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1944        struct xmit_frame *pxmitframe = NULL;
1945        s32 res;
1946
1947        pxmitframe = rtw_alloc_xmitframe23a(pxmitpriv);
1948
1949        if (pxmitframe == NULL) {
1950                RT_TRACE(_module_xmit_osdep_c_, _drv_err_,
1951                         ("rtw_xmit23a: no more pxmitframe\n"));
1952                return -1;
1953        }
1954
1955        res = update_attrib(padapter, skb, &pxmitframe->attrib);
1956
1957        if (res == _FAIL) {
1958                RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit23a: update attrib fail\n"));
1959                rtw_free_xmitframe23a(pxmitpriv, pxmitframe);
1960                return -1;
1961        }
1962        pxmitframe->pkt = skb;
1963
1964        rtw_led_control(padapter, LED_CTL_TX);
1965
1966        do_queue_select(padapter, &pxmitframe->attrib);
1967
1968#ifdef CONFIG_8723AU_AP_MODE
1969        spin_lock_bh(&pxmitpriv->lock);
1970        if (xmitframe_enqueue_for_sleeping_sta23a(padapter, pxmitframe)) {
1971                spin_unlock_bh(&pxmitpriv->lock);
1972                return 1;
1973        }
1974        spin_unlock_bh(&pxmitpriv->lock);
1975#endif
1976
1977        if (rtw_hal_xmit23a(padapter, pxmitframe) == false)
1978                return 1;
1979
1980        return 0;
1981}
1982
1983#if defined(CONFIG_8723AU_AP_MODE)
1984
1985int xmitframe_enqueue_for_sleeping_sta23a(struct rtw_adapter *padapter, struct xmit_frame *pxmitframe)
1986{
1987        int ret = false;
1988        struct sta_info *psta = NULL;
1989        struct sta_priv *pstapriv = &padapter->stapriv;
1990        struct pkt_attrib *pattrib = &pxmitframe->attrib;
1991        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1992        int bmcst = is_multicast_ether_addr(pattrib->ra);
1993
1994        if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == false)
1995            return ret;
1996
1997        if (pattrib->psta) {
1998                psta = pattrib->psta;
1999        } else {
2000                DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
2001                psta = rtw_get_stainfo23a(pstapriv, pattrib->ra);
2002        }
2003
2004        if (psta == NULL) {
2005                DBG_8723A("%s, psta == NUL\n", __func__);
2006                return false;
2007        }
2008
2009        if (!(psta->state & _FW_LINKED)) {
2010                DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__,
2011                          psta->state);
2012                return false;
2013        }
2014
2015        if (pattrib->triggered == 1) {
2016                if (bmcst)
2017                        pattrib->qsel = 0x11;/* HIQ */
2018                return ret;
2019        }
2020
2021        if (bmcst) {
2022                spin_lock_bh(&psta->sleep_q.lock);
2023
2024                if (pstapriv->sta_dz_bitmap) {
2025                        /* if anyone sta is in ps mode */
2026                        list_del_init(&pxmitframe->list);
2027
2028                        /* spin_lock_bh(&psta->sleep_q.lock); */
2029
2030                        list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
2031
2032                        psta->sleepq_len++;
2033
2034                        pstapriv->tim_bitmap |= BIT(0);/*  */
2035                        pstapriv->sta_dz_bitmap |= BIT(0);
2036
2037                        /* DBG_8723A("enqueue, sq_len =%d, tim =%x\n", psta->sleepq_len, pstapriv->tim_bitmap); */
2038
2039                        update_beacon23a(padapter, _TIM_IE_, NULL, false);/* tx bc/mc packets after upate bcn */
2040
2041                        /* spin_unlock_bh(&psta->sleep_q.lock); */
2042
2043                        ret = true;
2044
2045                }
2046
2047                spin_unlock_bh(&psta->sleep_q.lock);
2048
2049                return ret;
2050
2051        }
2052
2053        spin_lock_bh(&psta->sleep_q.lock);
2054
2055        if (psta->state&WIFI_SLEEP_STATE) {
2056                u8 wmmps_ac = 0;
2057
2058                if (pstapriv->sta_dz_bitmap & CHKBIT(psta->aid)) {
2059                        list_del_init(&pxmitframe->list);
2060
2061                        /* spin_lock_bh(&psta->sleep_q.lock); */
2062
2063                        list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
2064
2065                        psta->sleepq_len++;
2066
2067                        switch (pattrib->priority) {
2068                        case 1:
2069                        case 2:
2070                                wmmps_ac = psta->uapsd_bk & BIT(0);
2071                                break;
2072                        case 4:
2073                        case 5:
2074                                wmmps_ac = psta->uapsd_vi & BIT(0);
2075                                break;
2076                        case 6:
2077                        case 7:
2078                                wmmps_ac = psta->uapsd_vo & BIT(0);
2079                                break;
2080                        case 0:
2081                        case 3:
2082                        default:
2083                                wmmps_ac = psta->uapsd_be & BIT(0);
2084                                break;
2085                        }
2086
2087                        if (wmmps_ac)
2088                                psta->sleepq_ac_len++;
2089
2090                        if (((psta->has_legacy_ac) && (!wmmps_ac)) ||
2091                           ((!psta->has_legacy_ac) && (wmmps_ac))) {
2092                                pstapriv->tim_bitmap |= CHKBIT(psta->aid);
2093
2094                                if (psta->sleepq_len == 1) {
2095                                        /* upate BCN for TIM IE */
2096                                        update_beacon23a(padapter, _TIM_IE_, NULL, false);
2097                                }
2098                        }
2099
2100                        /* spin_unlock_bh(&psta->sleep_q.lock); */
2101
2102                        /* if (psta->sleepq_len > (NR_XMITFRAME>>3)) */
2103                        /*  */
2104                        /*      wakeup_sta_to_xmit23a(padapter, psta); */
2105                        /*  */
2106
2107                        ret = true;
2108
2109                }
2110
2111        }
2112
2113        spin_unlock_bh(&psta->sleep_q.lock);
2114
2115        return ret;
2116}
2117
2118static void
2119dequeue_xmitframes_to_sleeping_queue(struct rtw_adapter *padapter,
2120                                     struct sta_info *psta,
2121                                     struct rtw_queue *pframequeue)
2122{
2123        int ret;
2124        struct list_head *plist, *phead, *ptmp;
2125        u8      ac_index;
2126        struct tx_servq *ptxservq;
2127        struct pkt_attrib       *pattrib;
2128        struct xmit_frame       *pxmitframe;
2129        struct hw_xmit *phwxmits =  padapter->xmitpriv.hwxmits;
2130
2131        phead = get_list_head(pframequeue);
2132
2133        list_for_each_safe(plist, ptmp, phead) {
2134                pxmitframe = container_of(plist, struct xmit_frame, list);
2135
2136                ret = xmitframe_enqueue_for_sleeping_sta23a(padapter, pxmitframe);
2137
2138                if (ret == true) {
2139                        pattrib = &pxmitframe->attrib;
2140
2141                        ptxservq = rtw_get_sta_pending23a(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
2142
2143                        ptxservq->qcnt--;
2144                        phwxmits[ac_index].accnt--;
2145                } else {
2146                        /* DBG_8723A("xmitframe_enqueue_for_sleeping_sta23a return false\n"); */
2147                }
2148        }
2149}
2150
2151void stop_sta_xmit23a(struct rtw_adapter *padapter, struct sta_info *psta)
2152{
2153        struct sta_info *psta_bmc;
2154        struct sta_xmit_priv *pstaxmitpriv;
2155        struct sta_priv *pstapriv = &padapter->stapriv;
2156        struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2157
2158        pstaxmitpriv = &psta->sta_xmitpriv;
2159
2160        /* for BC/MC Frames */
2161        psta_bmc = rtw_get_bcmc_stainfo23a(padapter);
2162
2163        spin_lock_bh(&pxmitpriv->lock);
2164
2165        psta->state |= WIFI_SLEEP_STATE;
2166
2167        pstapriv->sta_dz_bitmap |= CHKBIT(psta->aid);
2168
2169        dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vo_q.sta_pending);
2170        list_del_init(&pstaxmitpriv->vo_q.tx_pending);
2171
2172        dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending);
2173        list_del_init(&pstaxmitpriv->vi_q.tx_pending);
2174
2175        dequeue_xmitframes_to_sleeping_queue(padapter, psta,
2176                                             &pstaxmitpriv->be_q.sta_pending);
2177        list_del_init(&pstaxmitpriv->be_q.tx_pending);
2178
2179        dequeue_xmitframes_to_sleeping_queue(padapter, psta,
2180                                             &pstaxmitpriv->bk_q.sta_pending);
2181        list_del_init(&pstaxmitpriv->bk_q.tx_pending);
2182
2183        /* for BC/MC Frames */
2184        pstaxmitpriv = &psta_bmc->sta_xmitpriv;
2185        dequeue_xmitframes_to_sleeping_queue(padapter, psta_bmc,
2186                                             &pstaxmitpriv->be_q.sta_pending);
2187        list_del_init(&pstaxmitpriv->be_q.tx_pending);
2188
2189        spin_unlock_bh(&pxmitpriv->lock);
2190}
2191
2192void wakeup_sta_to_xmit23a(struct rtw_adapter *padapter, struct sta_info *psta)
2193{
2194        u8 update_mask = 0, wmmps_ac = 0;
2195        struct sta_info *psta_bmc;
2196        struct list_head *plist, *phead, *ptmp;
2197        struct xmit_frame *pxmitframe = NULL;
2198        struct sta_priv *pstapriv = &padapter->stapriv;
2199        struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2200
2201        spin_lock_bh(&pxmitpriv->lock);
2202
2203        phead = get_list_head(&psta->sleep_q);
2204
2205        list_for_each_safe(plist, ptmp, phead) {
2206                pxmitframe = container_of(plist, struct xmit_frame, list);
2207                list_del_init(&pxmitframe->list);
2208
2209                switch (pxmitframe->attrib.priority) {
2210                case 1:
2211                case 2:
2212                        wmmps_ac = psta->uapsd_bk & BIT(1);
2213                        break;
2214                case 4:
2215                case 5:
2216                        wmmps_ac = psta->uapsd_vi & BIT(1);
2217                        break;
2218                case 6:
2219                case 7:
2220                        wmmps_ac = psta->uapsd_vo & BIT(1);
2221                        break;
2222                case 0:
2223                case 3:
2224                default:
2225                        wmmps_ac = psta->uapsd_be & BIT(1);
2226                        break;
2227                }
2228
2229                psta->sleepq_len--;
2230                if (psta->sleepq_len > 0)
2231                        pxmitframe->attrib.mdata = 1;
2232                else
2233                        pxmitframe->attrib.mdata = 0;
2234
2235                if (wmmps_ac) {
2236                        psta->sleepq_ac_len--;
2237                        if (psta->sleepq_ac_len > 0) {
2238                                pxmitframe->attrib.mdata = 1;
2239                                pxmitframe->attrib.eosp = 0;
2240                        } else {
2241                                pxmitframe->attrib.mdata = 0;
2242                                pxmitframe->attrib.eosp = 1;
2243                        }
2244                }
2245
2246                pxmitframe->attrib.triggered = 1;
2247                rtw_hal_xmit23aframe_enqueue(padapter, pxmitframe);
2248        }
2249
2250        if (psta->sleepq_len == 0) {
2251                pstapriv->tim_bitmap &= ~CHKBIT(psta->aid);
2252
2253                /* upate BCN for TIM IE */
2254                update_mask = BIT(0);
2255
2256                if (psta->state&WIFI_SLEEP_STATE)
2257                        psta->state ^= WIFI_SLEEP_STATE;
2258
2259                if (psta->state & WIFI_STA_ALIVE_CHK_STATE) {
2260                        psta->expire_to = pstapriv->expire_to;
2261                        psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
2262                }
2263
2264                pstapriv->sta_dz_bitmap &= ~CHKBIT(psta->aid);
2265        }
2266
2267        /* spin_unlock_bh(&psta->sleep_q.lock); */
2268        spin_unlock_bh(&pxmitpriv->lock);
2269
2270        /* for BC/MC Frames */
2271        psta_bmc = rtw_get_bcmc_stainfo23a(padapter);
2272        if (!psta_bmc)
2273                return;
2274
2275        if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0) {
2276                /* no any sta in ps mode */
2277                spin_lock_bh(&pxmitpriv->lock);
2278
2279                phead = get_list_head(&psta_bmc->sleep_q);
2280
2281                list_for_each_safe(plist, ptmp, phead) {
2282                        pxmitframe = container_of(plist, struct xmit_frame,
2283                                                  list);
2284
2285                        list_del_init(&pxmitframe->list);
2286
2287                        psta_bmc->sleepq_len--;
2288                        if (psta_bmc->sleepq_len > 0)
2289                                pxmitframe->attrib.mdata = 1;
2290                        else
2291                                pxmitframe->attrib.mdata = 0;
2292
2293                        pxmitframe->attrib.triggered = 1;
2294                        rtw_hal_xmit23aframe_enqueue(padapter, pxmitframe);
2295                }
2296                if (psta_bmc->sleepq_len == 0) {
2297                        pstapriv->tim_bitmap &= ~BIT(0);
2298                        pstapriv->sta_dz_bitmap &= ~BIT(0);
2299
2300                        /* upate BCN for TIM IE */
2301                        /* update_BCNTIM(padapter); */
2302                        update_mask |= BIT(1);
2303                }
2304
2305                /* spin_unlock_bh(&psta_bmc->sleep_q.lock); */
2306                spin_unlock_bh(&pxmitpriv->lock);
2307        }
2308
2309        if (update_mask)
2310                update_beacon23a(padapter, _TIM_IE_, NULL, false);
2311}
2312
2313void xmit_delivery_enabled_frames23a(struct rtw_adapter *padapter,
2314                                  struct sta_info *psta)
2315{
2316        u8 wmmps_ac = 0;
2317        struct list_head *plist, *phead, *ptmp;
2318        struct xmit_frame *pxmitframe;
2319        struct sta_priv *pstapriv = &padapter->stapriv;
2320        struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2321
2322        /* spin_lock_bh(&psta->sleep_q.lock); */
2323        spin_lock_bh(&pxmitpriv->lock);
2324
2325        phead = get_list_head(&psta->sleep_q);
2326
2327        list_for_each_safe(plist, ptmp, phead) {
2328                pxmitframe = container_of(plist, struct xmit_frame, list);
2329
2330                switch (pxmitframe->attrib.priority) {
2331                case 1:
2332                case 2:
2333                        wmmps_ac = psta->uapsd_bk & BIT(1);
2334                        break;
2335                case 4:
2336                case 5:
2337                        wmmps_ac = psta->uapsd_vi & BIT(1);
2338                        break;
2339                case 6:
2340                case 7:
2341                        wmmps_ac = psta->uapsd_vo & BIT(1);
2342                        break;
2343                case 0:
2344                case 3:
2345                default:
2346                        wmmps_ac = psta->uapsd_be & BIT(1);
2347                        break;
2348                }
2349
2350                if (!wmmps_ac)
2351                        continue;
2352
2353                list_del_init(&pxmitframe->list);
2354
2355                psta->sleepq_len--;
2356                psta->sleepq_ac_len--;
2357
2358                if (psta->sleepq_ac_len > 0) {
2359                        pxmitframe->attrib.mdata = 1;
2360                        pxmitframe->attrib.eosp = 0;
2361                } else {
2362                        pxmitframe->attrib.mdata = 0;
2363                        pxmitframe->attrib.eosp = 1;
2364                }
2365
2366                pxmitframe->attrib.triggered = 1;
2367
2368                rtw_hal_xmit23aframe_enqueue(padapter, pxmitframe);
2369
2370                if ((psta->sleepq_ac_len == 0) && (!psta->has_legacy_ac) &&
2371                    (wmmps_ac)) {
2372                        pstapriv->tim_bitmap &= ~CHKBIT(psta->aid);
2373
2374                        /* upate BCN for TIM IE */
2375                        update_beacon23a(padapter, _TIM_IE_, NULL, false);
2376                }
2377        }
2378        spin_unlock_bh(&pxmitpriv->lock);
2379}
2380
2381#endif
2382
2383void rtw_sctx_init23a(struct submit_ctx *sctx, int timeout_ms)
2384{
2385        sctx->timeout_ms = timeout_ms;
2386        init_completion(&sctx->done);
2387        sctx->status = RTW_SCTX_SUBMITTED;
2388}
2389
2390int rtw_sctx_wait23a(struct submit_ctx *sctx)
2391{
2392        int ret = _FAIL;
2393        unsigned long expire;
2394        int status = 0;
2395
2396        expire = sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) :
2397                 MAX_SCHEDULE_TIMEOUT;
2398        if (!wait_for_completion_timeout(&sctx->done, expire)) {
2399                /* timeout, do something?? */
2400                status = RTW_SCTX_DONE_TIMEOUT;
2401                DBG_8723A("%s timeout\n", __func__);
2402        } else {
2403                status = sctx->status;
2404        }
2405
2406        if (status == RTW_SCTX_DONE_SUCCESS)
2407                ret = _SUCCESS;
2408
2409        return ret;
2410}
2411
2412static bool rtw_sctx_chk_waring_status(int status)
2413{
2414        switch (status) {
2415        case RTW_SCTX_DONE_UNKNOWN:
2416        case RTW_SCTX_DONE_BUF_ALLOC:
2417        case RTW_SCTX_DONE_BUF_FREE:
2418        case RTW_SCTX_DONE_DRV_STOP:
2419        case RTW_SCTX_DONE_DEV_REMOVE:
2420                return true;
2421        default:
2422                return false;
2423        }
2424}
2425
2426void rtw23a_sctx_done_err(struct submit_ctx **sctx, int status)
2427{
2428        if (*sctx) {
2429                if (rtw_sctx_chk_waring_status(status))
2430                        DBG_8723A("%s status:%d\n", __func__, status);
2431                (*sctx)->status = status;
2432                complete(&(*sctx)->done);
2433                *sctx = NULL;
2434        }
2435}
2436
2437void rtw_sctx_done23a(struct submit_ctx **sctx)
2438{
2439        rtw23a_sctx_done_err(sctx, RTW_SCTX_DONE_SUCCESS);
2440}
2441
2442int rtw_ack_tx_wait23a(struct xmit_priv *pxmitpriv, u32 timeout_ms)
2443{
2444        struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
2445
2446        pack_tx_ops->timeout_ms = timeout_ms;
2447        pack_tx_ops->status = RTW_SCTX_SUBMITTED;
2448
2449        return rtw_sctx_wait23a(pack_tx_ops);
2450}
2451
2452void rtw_ack_tx_done23a(struct xmit_priv *pxmitpriv, int status)
2453{
2454        struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
2455
2456        if (pxmitpriv->ack_tx)
2457                rtw23a_sctx_done_err(&pack_tx_ops, status);
2458        else
2459                DBG_8723A("%s ack_tx not set\n", __func__);
2460}
2461