1 /******************************************************************************
3 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
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.
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
14 ******************************************************************************/
17 #include <osdep_service.h>
18 #include <drv_types.h>
21 #include <osdep_intf.h>
22 #include <linux/vmalloc.h>
24 static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 };
25 static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 };
27 static void _init_txservq(struct tx_servq *ptxservq)
29 INIT_LIST_HEAD(&ptxservq->tx_pending);
30 _rtw_init_queue(&ptxservq->sta_pending);
34 void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv)
36 memset((unsigned char *)psta_xmitpriv, 0, sizeof(struct sta_xmit_priv));
37 spin_lock_init(&psta_xmitpriv->lock);
38 _init_txservq(&psta_xmitpriv->be_q);
39 _init_txservq(&psta_xmitpriv->bk_q);
40 _init_txservq(&psta_xmitpriv->vi_q);
41 _init_txservq(&psta_xmitpriv->vo_q);
42 INIT_LIST_HEAD(&psta_xmitpriv->legacy_dz);
43 INIT_LIST_HEAD(&psta_xmitpriv->apsd);
47 s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
50 struct xmit_buf *pxmitbuf;
51 struct xmit_frame *pxframe;
53 u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ;
54 u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
57 /* We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */
59 spin_lock_init(&pxmitpriv->lock);
62 Please insert all the queue initializaiton using _rtw_init_queue below
65 pxmitpriv->adapter = padapter;
67 _rtw_init_queue(&pxmitpriv->be_pending);
68 _rtw_init_queue(&pxmitpriv->bk_pending);
69 _rtw_init_queue(&pxmitpriv->vi_pending);
70 _rtw_init_queue(&pxmitpriv->vo_pending);
71 _rtw_init_queue(&pxmitpriv->bm_pending);
73 _rtw_init_queue(&pxmitpriv->free_xmit_queue);
76 Please allocate memory with the sz = (struct xmit_frame) * NR_XMITFRAME,
77 and initialize free_xmit_frame below.
78 Please also apply free_txobj to link_up all the xmit_frames...
81 pxmitpriv->pallocated_frame_buf = vzalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4);
83 if (pxmitpriv->pallocated_frame_buf == NULL) {
84 pxmitpriv->pxmit_frame_buf = NULL;
85 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_frame fail!\n"));
89 pxmitpriv->pxmit_frame_buf = PTR_ALIGN(pxmitpriv->pallocated_frame_buf, 4);
90 /* pxmitpriv->pxmit_frame_buf = pxmitpriv->pallocated_frame_buf + 4 - */
91 /* ((size_t) (pxmitpriv->pallocated_frame_buf) &3); */
93 pxframe = (struct xmit_frame *)pxmitpriv->pxmit_frame_buf;
95 for (i = 0; i < NR_XMITFRAME; i++) {
96 INIT_LIST_HEAD(&(pxframe->list));
98 pxframe->padapter = padapter;
99 pxframe->frame_tag = NULL_FRAMETAG;
103 pxframe->buf_addr = NULL;
104 pxframe->pxmitbuf = NULL;
106 list_add_tail(&(pxframe->list), &(pxmitpriv->free_xmit_queue.queue));
111 pxmitpriv->free_xmitframe_cnt = NR_XMITFRAME;
113 pxmitpriv->frag_len = MAX_FRAG_THRESHOLD;
116 _rtw_init_queue(&pxmitpriv->free_xmitbuf_queue);
117 _rtw_init_queue(&pxmitpriv->pending_xmitbuf_queue);
119 pxmitpriv->pallocated_xmitbuf = vzalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4);
121 if (pxmitpriv->pallocated_xmitbuf == NULL) {
122 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_buf fail!\n"));
127 pxmitpriv->pxmitbuf = PTR_ALIGN(pxmitpriv->pallocated_xmitbuf, 4);
128 /* pxmitpriv->pxmitbuf = pxmitpriv->pallocated_xmitbuf + 4 - */
129 /* ((size_t) (pxmitpriv->pallocated_xmitbuf) &3); */
131 pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf;
133 for (i = 0; i < NR_XMITBUFF; i++) {
134 INIT_LIST_HEAD(&pxmitbuf->list);
136 pxmitbuf->priv_data = NULL;
137 pxmitbuf->padapter = padapter;
138 pxmitbuf->ext_tag = false;
140 /* Tx buf allocation may fail sometimes, so sleep and retry. */
141 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
144 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
149 pxmitbuf->flags = XMIT_VO_QUEUE;
151 list_add_tail(&pxmitbuf->list, &(pxmitpriv->free_xmitbuf_queue.queue));
155 pxmitpriv->free_xmitbuf_cnt = NR_XMITBUFF;
157 /* Init xmit extension buff */
158 _rtw_init_queue(&pxmitpriv->free_xmit_extbuf_queue);
160 pxmitpriv->pallocated_xmit_extbuf = vzalloc(num_xmit_extbuf * sizeof(struct xmit_buf) + 4);
162 if (pxmitpriv->pallocated_xmit_extbuf == NULL) {
163 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_extbuf fail!\n"));
168 pxmitpriv->pxmit_extbuf = PTR_ALIGN(pxmitpriv->pallocated_xmit_extbuf, 4);
170 pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
172 for (i = 0; i < num_xmit_extbuf; i++) {
173 INIT_LIST_HEAD(&pxmitbuf->list);
175 pxmitbuf->priv_data = NULL;
176 pxmitbuf->padapter = padapter;
177 pxmitbuf->ext_tag = true;
179 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, max_xmit_extbuf_size + XMITBUF_ALIGN_SZ);
185 list_add_tail(&pxmitbuf->list, &(pxmitpriv->free_xmit_extbuf_queue.queue));
189 pxmitpriv->free_xmit_extbuf_cnt = num_xmit_extbuf;
191 res = rtw_alloc_hwxmits(padapter);
194 rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry);
196 for (i = 0; i < 4; i++)
197 pxmitpriv->wmm_para_seq[i] = i;
199 pxmitpriv->txirp_cnt = 1;
201 /* per AC pending irp */
202 pxmitpriv->beq_cnt = 0;
203 pxmitpriv->bkq_cnt = 0;
204 pxmitpriv->viq_cnt = 0;
205 pxmitpriv->voq_cnt = 0;
207 pxmitpriv->ack_tx = false;
208 mutex_init(&pxmitpriv->ack_tx_mutex);
209 rtw_sctx_init(&pxmitpriv->ack_tx_ops, 0);
211 rtw_hal_init_xmit_priv(padapter);
219 void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv)
222 struct adapter *padapter = pxmitpriv->adapter;
223 struct xmit_frame *pxmitframe = (struct xmit_frame *)pxmitpriv->pxmit_frame_buf;
224 struct xmit_buf *pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf;
225 u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
227 if (pxmitpriv->pxmit_frame_buf == NULL)
230 for (i = 0; i < NR_XMITFRAME; i++) {
231 rtw_os_xmit_complete(padapter, pxmitframe);
236 for (i = 0; i < NR_XMITBUFF; i++) {
237 rtw_os_xmit_resource_free(pxmitbuf);
241 vfree(pxmitpriv->pallocated_frame_buf);
242 vfree(pxmitpriv->pallocated_xmitbuf);
244 /* free xmit extension buff */
245 pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
246 for (i = 0; i < num_xmit_extbuf; i++) {
247 rtw_os_xmit_resource_free(pxmitbuf);
251 vfree(pxmitpriv->pallocated_xmit_extbuf);
253 rtw_free_hwxmits(padapter);
255 mutex_destroy(&pxmitpriv->ack_tx_mutex);
258 static void update_attrib_vcs_info(struct adapter *padapter, struct xmit_frame *pxmitframe)
261 struct pkt_attrib *pattrib = &pxmitframe->attrib;
262 struct sta_info *psta = pattrib->psta;
263 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
264 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
266 if (pattrib->nr_frags != 1)
267 sz = padapter->xmitpriv.frag_len;
269 sz = pattrib->last_txcmdsz;
271 /* (1) RTS_Threshold is compared to the MPDU, not MSDU. */
272 /* (2) If there are more than one frag in this MSDU, only the first frag uses protection frame. */
273 /* Other fragments are protected by previous fragment. */
274 /* So we only need to check the length of first fragment. */
275 if (pmlmeext->cur_wireless_mode < WIRELESS_11_24N || padapter->registrypriv.wifi_spec) {
276 if (sz > padapter->registrypriv.rts_thresh) {
277 pattrib->vcs_mode = RTS_CTS;
280 pattrib->vcs_mode = RTS_CTS;
281 else if (psta->cts2self)
282 pattrib->vcs_mode = CTS_TO_SELF;
284 pattrib->vcs_mode = NONE_VCS;
289 if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_ATHEROS) && pattrib->ampdu_en &&
290 (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) {
291 pattrib->vcs_mode = CTS_TO_SELF;
295 /* check ERP protection */
296 if (psta->rtsen || psta->cts2self) {
298 pattrib->vcs_mode = RTS_CTS;
299 else if (psta->cts2self)
300 pattrib->vcs_mode = CTS_TO_SELF;
305 /* check HT op mode */
306 if (pattrib->ht_en) {
307 u8 htopmode = pmlmeinfo->HT_protection;
309 if ((pmlmeext->cur_bwmode && (htopmode == 2 || htopmode == 3)) ||
310 (!pmlmeext->cur_bwmode && htopmode == 3)) {
311 pattrib->vcs_mode = RTS_CTS;
317 if (sz > padapter->registrypriv.rts_thresh) {
318 pattrib->vcs_mode = RTS_CTS;
322 /* to do list: check MIMO power save condition. */
324 /* check AMPDU aggregation for TXOP */
325 if (pattrib->ampdu_en) {
326 pattrib->vcs_mode = RTS_CTS;
330 pattrib->vcs_mode = NONE_VCS;
336 static void update_attrib_phy_info(struct pkt_attrib *pattrib, struct sta_info *psta)
339 pattrib->vcs_mode = RTS_CTS;
340 else if (psta->cts2self)
341 pattrib->vcs_mode = CTS_TO_SELF;
343 pattrib->vcs_mode = NONE_VCS;*/
347 pattrib->triggered = 0;
349 /* qos_en, ht_en, init rate, , bw, ch_offset, sgi */
350 pattrib->qos_en = psta->qos_option;
352 pattrib->raid = psta->raid;
353 pattrib->ht_en = psta->htpriv.ht_option;
354 pattrib->bwmode = psta->htpriv.bwmode;
355 pattrib->ch_offset = psta->htpriv.ch_offset;
356 pattrib->sgi = psta->htpriv.sgi;
357 pattrib->ampdu_en = false;
358 pattrib->retry_ctrl = false;
361 u8 qos_acm(u8 acm_mask, u8 priority)
363 u8 change_priority = priority;
368 if (acm_mask & BIT(1))
376 if (acm_mask & BIT(2))
381 if (acm_mask & BIT(3))
385 DBG_88E("qos_acm(): invalid pattrib->priority: %d!!!\n", priority);
389 return change_priority;
392 static void set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib)
394 struct ethhdr etherhdr;
398 _rtw_open_pktfile(ppktfile->pkt, ppktfile);
399 _rtw_pktfile_read(ppktfile, (unsigned char *)ðerhdr, ETH_HLEN);
401 /* get user_prio from IP hdr */
402 if (pattrib->ether_type == 0x0800) {
403 _rtw_pktfile_read(ppktfile, (u8 *)&ip_hdr, sizeof(ip_hdr));
404 /* user_prio = (ntohs(ip_hdr.tos) >> 5) & 0x3; */
405 user_prio = ip_hdr.tos >> 5;
406 } else if (pattrib->ether_type == ETH_P_PAE) {
407 /* "When priority processing of data frames is supported, */
408 /* a STA's SME should send EAPOL-Key frames at the highest priority." */
412 pattrib->priority = user_prio;
413 pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN;
414 pattrib->subtype = WIFI_QOS_DATA_TYPE;
417 static s32 update_attrib(struct adapter *padapter, struct sk_buff *pkt, struct pkt_attrib *pattrib)
419 struct pkt_file pktfile;
420 struct sta_info *psta = NULL;
421 struct ethhdr etherhdr;
424 struct sta_priv *pstapriv = &padapter->stapriv;
425 struct security_priv *psecuritypriv = &padapter->securitypriv;
426 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
427 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
431 _rtw_open_pktfile(pkt, &pktfile);
432 _rtw_pktfile_read(&pktfile, (u8 *)ðerhdr, ETH_HLEN);
434 pattrib->ether_type = ntohs(etherhdr.h_proto);
436 memcpy(pattrib->dst, ðerhdr.h_dest, ETH_ALEN);
437 memcpy(pattrib->src, ðerhdr.h_source, ETH_ALEN);
441 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
442 check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
443 memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
444 memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
445 } else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
446 memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN);
447 memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
448 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
449 memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
450 memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN);
453 pattrib->pktlen = pktfile.pkt_len;
455 if (pattrib->ether_type == ETH_P_IP) {
456 /* The following is for DHCP and ARP packet, we use cck1M to tx these packets and let LPS awake some time */
457 /* to prevent DHCP protocol fail */
460 _rtw_pktfile_read(&pktfile, &tmp[0], 24);
461 pattrib->dhcp_pkt = 0;
462 if (pktfile.pkt_len > 282) {/* MINIMUM_DHCP_PACKET_SIZE) { */
463 if (pattrib->ether_type == ETH_P_IP) {/* IP header */
464 if (((tmp[21] == 68) && (tmp[23] == 67)) ||
465 ((tmp[21] == 67) && (tmp[23] == 68))) {
466 /* 68 : UDP BOOTP client */
467 /* 67 : UDP BOOTP server */
468 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====================== update_attrib: get DHCP Packet\n"));
469 /* Use low rate to send DHCP packet. */
470 pattrib->dhcp_pkt = 1;
474 } else if (pattrib->ether_type == ETH_P_PAE) {
475 DBG_88E_LEVEL(_drv_info_, "send eapol packet\n");
478 if ((pattrib->ether_type == ETH_P_PAE) || (pattrib->dhcp_pkt == 1))
479 rtw_set_scan_deny(padapter, 3000);
481 /* If EAPOL , ARP , OR DHCP packet, driver must be in active mode. */
482 if ((pattrib->ether_type == ETH_P_ARP) || (pattrib->ether_type == ETH_P_PAE) || (pattrib->dhcp_pkt == 1))
483 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SPECIAL_PACKET, 1);
485 bmcast = IS_MCAST(pattrib->ra);
489 psta = rtw_get_bcmc_stainfo(padapter);
491 psta = rtw_get_stainfo(pstapriv, pattrib->ra);
492 if (psta == NULL) { /* if we cannot get psta => drrp the pkt */
493 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra: %pM\n", (pattrib->ra)));
496 } else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) && (!(psta->state & _FW_LINKED))) {
503 pattrib->mac_id = psta->mac_id;
504 /* DBG_88E("%s ==> mac_id(%d)\n", __func__, pattrib->mac_id); */
505 pattrib->psta = psta;
507 /* if we cannot get psta => drop the pkt */
508 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:%pM\n", (pattrib->ra)));
513 pattrib->ack_policy = 0;
515 pattrib->hdrlen = WLAN_HDR_A3_LEN;
516 pattrib->subtype = WIFI_DATA_TYPE;
517 pattrib->priority = 0;
519 if (check_fwstate(pmlmepriv, WIFI_AP_STATE|WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE)) {
520 if (psta->qos_option)
521 set_qos(&pktfile, pattrib);
523 if (pqospriv->qos_option) {
524 set_qos(&pktfile, pattrib);
526 if (pmlmepriv->acm_mask != 0)
527 pattrib->priority = qos_acm(pmlmepriv->acm_mask, pattrib->priority);
531 if (psta->ieee8021x_blocked) {
532 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\n psta->ieee8021x_blocked == true\n"));
534 pattrib->encrypt = 0;
536 if (pattrib->ether_type != ETH_P_PAE) {
537 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\npsta->ieee8021x_blocked == true, pattrib->ether_type(%.4x) != ETH_P_PAE\n", pattrib->ether_type));
542 GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast);
544 switch (psecuritypriv->dot11AuthAlgrthm) {
545 case dot11AuthAlgrthm_Open:
546 case dot11AuthAlgrthm_Shared:
547 case dot11AuthAlgrthm_Auto:
548 pattrib->key_idx = (u8)psecuritypriv->dot11PrivacyKeyIndex;
550 case dot11AuthAlgrthm_8021X:
552 pattrib->key_idx = (u8)psecuritypriv->dot118021XGrpKeyid;
554 pattrib->key_idx = 0;
557 pattrib->key_idx = 0;
562 switch (pattrib->encrypt) {
566 pattrib->icv_len = 4;
570 pattrib->icv_len = 4;
572 if (padapter->securitypriv.busetkipkey == _FAIL) {
573 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
574 ("\npadapter->securitypriv.busetkipkey(%d) == _FAIL drop packet\n",
575 padapter->securitypriv.busetkipkey));
581 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("pattrib->encrypt=%d (_AES_)\n", pattrib->encrypt));
583 pattrib->icv_len = 8;
587 pattrib->icv_len = 0;
591 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
592 ("update_attrib: encrypt=%d\n", pattrib->encrypt));
594 if (pattrib->encrypt && !psecuritypriv->hw_decrypted) {
595 pattrib->bswenc = true;
596 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
597 ("update_attrib: encrypt=%d bswenc = true\n",
600 pattrib->bswenc = false;
601 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("update_attrib: bswenc = false\n"));
604 update_attrib_phy_info(pattrib, psta);
612 static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitframe)
614 int curfragnum, length;
615 u8 *pframe, *payload, mic[8];
616 struct mic_data micdata;
617 struct sta_info *stainfo;
618 struct pkt_attrib *pattrib = &pxmitframe->attrib;
619 struct security_priv *psecuritypriv = &padapter->securitypriv;
620 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
621 u8 priority[4] = {0x0, 0x0, 0x0, 0x0};
622 u8 hw_hdr_offset = 0;
623 int bmcst = IS_MCAST(pattrib->ra);
626 stainfo = pattrib->psta;
628 stainfo = rtw_get_stainfo(&padapter->stapriv, &pattrib->ra[0]);
631 hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);
633 if (pattrib->encrypt == _TKIP_) {/* if (psecuritypriv->dot11PrivacyAlgrthm == _TKIP_PRIVACY_) */
634 /* encode mic code */
635 if (stainfo != NULL) {
636 u8 null_key[16] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
637 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
640 pframe = pxmitframe->buf_addr + hw_hdr_offset;
643 if (!memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16))
645 /* start to calculate the mic code */
646 rtw_secmicsetkey(&micdata, psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey);
648 if (!memcmp(&stainfo->dot11tkiptxmickey.skey[0], null_key, 16)) {
649 /* DbgPrint("\nxmitframe_addmic:stainfo->dot11tkiptxmickey == 0\n"); */
653 /* start to calculate the mic code */
654 rtw_secmicsetkey(&micdata, &stainfo->dot11tkiptxmickey.skey[0]);
657 if (pframe[1]&1) { /* ToDS == 1 */
658 rtw_secmicappend(&micdata, &pframe[16], 6); /* DA */
659 if (pframe[1]&2) /* From Ds == 1 */
660 rtw_secmicappend(&micdata, &pframe[24], 6);
662 rtw_secmicappend(&micdata, &pframe[10], 6);
663 } else { /* ToDS == 0 */
664 rtw_secmicappend(&micdata, &pframe[4], 6); /* DA */
665 if (pframe[1]&2) /* From Ds == 1 */
666 rtw_secmicappend(&micdata, &pframe[16], 6);
668 rtw_secmicappend(&micdata, &pframe[10], 6);
672 priority[0] = (u8)pxmitframe->attrib.priority;
674 rtw_secmicappend(&micdata, &priority[0], 4);
678 for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) {
679 payload = (u8 *)round_up((size_t)(payload), 4);
680 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
681 ("=== curfragnum=%d, pframe = 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x,!!!\n",
682 curfragnum, *payload, *(payload+1),
683 *(payload+2), *(payload+3),
684 *(payload+4), *(payload+5),
685 *(payload+6), *(payload+7)));
687 payload = payload+pattrib->hdrlen+pattrib->iv_len;
688 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
689 ("curfragnum=%d pattrib->hdrlen=%d pattrib->iv_len=%d",
690 curfragnum, pattrib->hdrlen, pattrib->iv_len));
691 if ((curfragnum+1) == pattrib->nr_frags) {
692 length = pattrib->last_txcmdsz-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0);
693 rtw_secmicappend(&micdata, payload, length);
694 payload = payload+length;
696 length = pxmitpriv->frag_len-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0);
697 rtw_secmicappend(&micdata, payload, length);
698 payload = payload+length+pattrib->icv_len;
699 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("curfragnum=%d length=%d pattrib->icv_len=%d", curfragnum, length, pattrib->icv_len));
702 rtw_secgetmic(&micdata, &(mic[0]));
703 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: before add mic code!!!\n"));
704 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: pattrib->last_txcmdsz=%d!!!\n", pattrib->last_txcmdsz));
705 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: mic[0]=0x%.2x , mic[1]=0x%.2x , mic[2]= 0x%.2x, mic[3]=0x%.2x\n\
706 mic[4]= 0x%.2x , mic[5]= 0x%.2x , mic[6]= 0x%.2x , mic[7]= 0x%.2x !!!!\n",
707 mic[0], mic[1], mic[2], mic[3], mic[4], mic[5], mic[6], mic[7]));
708 /* add mic code and add the mic code length in last_txcmdsz */
710 memcpy(payload, &(mic[0]), 8);
711 pattrib->last_txcmdsz += 8;
713 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("\n ======== last pkt ========\n"));
714 payload = payload-pattrib->last_txcmdsz+8;
715 for (curfragnum = 0; curfragnum < pattrib->last_txcmdsz; curfragnum = curfragnum+8)
716 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
717 (" %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x ",
718 *(payload+curfragnum), *(payload+curfragnum+1),
719 *(payload+curfragnum+2), *(payload+curfragnum+3),
720 *(payload+curfragnum+4), *(payload+curfragnum+5),
721 *(payload+curfragnum+6), *(payload+curfragnum+7)));
723 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: rtw_get_stainfo==NULL!!!\n"));
731 static s32 xmitframe_swencrypt(struct adapter *padapter, struct xmit_frame *pxmitframe)
733 struct pkt_attrib *pattrib = &pxmitframe->attrib;
736 if (pattrib->bswenc) {
737 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("### xmitframe_swencrypt\n"));
738 switch (pattrib->encrypt) {
741 rtw_wep_encrypt(padapter, (u8 *)pxmitframe);
744 rtw_tkip_encrypt(padapter, (u8 *)pxmitframe);
747 rtw_aes_encrypt(padapter, (u8 *)pxmitframe);
753 RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, ("### xmitframe_hwencrypt\n"));
760 s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr, struct pkt_attrib *pattrib)
764 struct ieee80211_hdr *pwlanhdr = (struct ieee80211_hdr *)hdr;
765 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
766 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
767 u8 qos_option = false;
770 __le16 *fctrl = &pwlanhdr->frame_control;
772 struct sta_info *psta;
774 int bmcst = IS_MCAST(pattrib->ra);
778 psta = pattrib->psta;
781 psta = rtw_get_bcmc_stainfo(padapter);
783 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
786 memset(hdr, 0, WLANHDR_OFFSET);
788 SetFrameSubType(fctrl, pattrib->subtype);
790 if (pattrib->subtype & WIFI_DATA_TYPE) {
791 if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true)) {
792 /* to_ds = 1, fr_ds = 0; */
793 /* Data transfer to AP */
795 memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN);
796 memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
797 memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN);
799 if (pqospriv->qos_option)
801 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
802 /* to_ds = 0, fr_ds = 1; */
804 memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
805 memcpy(pwlanhdr->addr2, get_bssid(pmlmepriv), ETH_ALEN);
806 memcpy(pwlanhdr->addr3, pattrib->src, ETH_ALEN);
808 if (psta && psta->qos_option)
810 } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
811 check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
812 memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
813 memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
814 memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN);
816 if (psta && psta->qos_option)
819 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("fw_state:%x is not allowed to xmit frame\n", get_fwstate(pmlmepriv)));
827 if (pattrib->encrypt)
831 qc = (unsigned short *)(hdr + pattrib->hdrlen - 2);
833 if (pattrib->priority)
834 SetPriority(qc, pattrib->priority);
836 SetEOSP(qc, pattrib->eosp);
838 SetAckpolicy(qc, pattrib->ack_policy);
841 /* TODO: fill HT Control Field */
843 /* Update Seq Num will be handled by f/w */
845 psta->sta_xmitpriv.txseq_tid[pattrib->priority]++;
846 psta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF;
848 pattrib->seqnum = psta->sta_xmitpriv.txseq_tid[pattrib->priority];
850 SetSeqNum(hdr, pattrib->seqnum);
852 /* check if enable ampdu */
853 if (pattrib->ht_en && psta->htpriv.ampdu_enable) {
854 if (psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority))
855 pattrib->ampdu_en = true;
858 /* re-check if enable ampdu by BA_starting_seqctrl */
859 if (pattrib->ampdu_en) {
862 tx_seq = psta->BA_starting_seqctrl[pattrib->priority & 0x0f];
864 /* check BA_starting_seqctrl */
865 if (SN_LESS(pattrib->seqnum, tx_seq)) {
866 pattrib->ampdu_en = false;/* AGG BK */
867 } else if (SN_EQUAL(pattrib->seqnum, tx_seq)) {
868 psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (tx_seq+1)&0xfff;
870 pattrib->ampdu_en = true;/* AGG EN */
872 psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (pattrib->seqnum+1)&0xfff;
873 pattrib->ampdu_en = true;/* AGG EN */
883 s32 rtw_txframes_pending(struct adapter *padapter)
885 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
887 return (!list_empty(&pxmitpriv->be_pending.queue) ||
888 !list_empty(&pxmitpriv->bk_pending.queue) ||
889 !list_empty(&pxmitpriv->vi_pending.queue) ||
890 !list_empty(&pxmitpriv->vo_pending.queue));
893 s32 rtw_txframes_sta_ac_pending(struct adapter *padapter, struct pkt_attrib *pattrib)
895 struct sta_info *psta;
896 struct tx_servq *ptxservq;
897 int priority = pattrib->priority;
899 psta = pattrib->psta;
904 ptxservq = &(psta->sta_xmitpriv.bk_q);
908 ptxservq = &(psta->sta_xmitpriv.vi_q);
912 ptxservq = &(psta->sta_xmitpriv.vo_q);
917 ptxservq = &(psta->sta_xmitpriv.be_q);
921 return ptxservq->qcnt;
925 * Calculate wlan 802.11 packet MAX size from pkt_attrib
926 * This function doesn't consider fragment case
928 u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib)
932 len = pattrib->hdrlen + pattrib->iv_len; /* WLAN Header and IV */
933 len += SNAP_SIZE + sizeof(u16); /* LLC */
934 len += pattrib->pktlen;
935 if (pattrib->encrypt == _TKIP_)
937 len += ((pattrib->bswenc) ? pattrib->icv_len : 0); /* ICV */
944 This sub-routine will perform all the following:
946 1. remove 802.3 header.
947 2. create wlan_header, based on the info in pxmitframe
948 3. append sta's iv/ext-iv
950 5. move frag chunk from pframe to pxmitframe->mem
951 6. apply sw-encrypt, if necessary.
954 s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, struct xmit_frame *pxmitframe)
956 struct pkt_file pktfile;
957 s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz;
959 u8 *pframe, *mem_start;
961 struct sta_info *psta;
962 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
963 struct pkt_attrib *pattrib = &pxmitframe->attrib;
965 s32 bmcst = IS_MCAST(pattrib->ra);
969 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
974 if (pxmitframe->buf_addr == NULL) {
975 DBG_88E("==> %s buf_addr == NULL\n", __func__);
979 pbuf_start = pxmitframe->buf_addr;
981 hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);
983 mem_start = pbuf_start + hw_hdr_offset;
985 if (rtw_make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) {
986 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n"));
987 DBG_88E("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n");
992 _rtw_open_pktfile(pkt, &pktfile);
993 _rtw_pktfile_read(&pktfile, NULL, ETH_HLEN);
996 frg_len = pxmitpriv->frag_len - 4;/* 2346-4 = 2342 */
1005 SetMFrag(mem_start);
1007 pframe += pattrib->hdrlen;
1008 mpdu_len -= pattrib->hdrlen;
1010 /* adding icv, if necessary... */
1011 if (pattrib->iv_len) {
1012 switch (pattrib->encrypt) {
1015 WEP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
1019 TKIP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
1021 TKIP_IV(pattrib->iv, psta->dot11txpn, 0);
1025 AES_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
1027 AES_IV(pattrib->iv, psta->dot11txpn, 0);
1031 memcpy(pframe, pattrib->iv, pattrib->iv_len);
1033 RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_,
1034 ("rtw_xmitframe_coalesce: keyid=%d pattrib->iv[3]=%.2x pframe=%.2x %.2x %.2x %.2x\n",
1035 padapter->securitypriv.dot11PrivacyKeyIndex, pattrib->iv[3], *pframe, *(pframe+1), *(pframe+2), *(pframe+3)));
1037 pframe += pattrib->iv_len;
1039 mpdu_len -= pattrib->iv_len;
1043 llc_sz = rtw_put_snap(pframe, pattrib->ether_type);
1048 if ((pattrib->icv_len > 0) && (pattrib->bswenc))
1049 mpdu_len -= pattrib->icv_len;
1052 /* don't do fragment to broadcat/multicast packets */
1053 mem_sz = _rtw_pktfile_read(&pktfile, pframe, pattrib->pktlen);
1055 mem_sz = _rtw_pktfile_read(&pktfile, pframe, mpdu_len);
1060 if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
1061 memcpy(pframe, pattrib->icv, pattrib->icv_len);
1062 pframe += pattrib->icv_len;
1067 if (bmcst || pktfile.pkt_len == 0) {
1068 pattrib->nr_frags = frg_inx;
1070 pattrib->last_txcmdsz = pattrib->hdrlen + pattrib->iv_len + ((pattrib->nr_frags == 1) ? llc_sz : 0) +
1071 ((pattrib->bswenc) ? pattrib->icv_len : 0) + mem_sz;
1073 ClearMFrag(mem_start);
1077 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: There're still something in packet!\n", __func__));
1080 addr = (size_t)(pframe);
1082 mem_start = (unsigned char *)round_up(addr, 4) + hw_hdr_offset;
1083 memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen);
1086 /* Frame is about to be encrypted. Forward it to the monitor first. */
1087 rtl88eu_mon_xmit_hook(padapter->pmondev, pxmitframe, frg_len);
1089 if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) {
1090 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n"));
1091 DBG_88E("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n");
1096 xmitframe_swencrypt(padapter, pxmitframe);
1099 update_attrib_vcs_info(padapter, pxmitframe);
1101 pattrib->vcs_mode = NONE_VCS;
1109 /* Logical Link Control(LLC) SubNetwork Attachment Point(SNAP) header
1110 * IEEE LLC/SNAP header contains 8 octets
1111 * First 3 octets comprise the LLC portion
1112 * SNAP portion, 5 octets, is divided into two fields:
1113 * Organizationally Unique Identifier(OUI), 3 octets,
1114 * type, defined by that organization, 2 octets.
1116 s32 rtw_put_snap(u8 *data, u16 h_proto)
1118 struct ieee80211_snap_hdr *snap;
1122 snap = (struct ieee80211_snap_hdr *)data;
1127 if (h_proto == 0x8137 || h_proto == 0x80f3)
1132 snap->oui[0] = oui[0];
1133 snap->oui[1] = oui[1];
1134 snap->oui[2] = oui[2];
1136 *(__be16 *)(data + SNAP_SIZE) = htons(h_proto);
1139 return SNAP_SIZE + sizeof(u16);
1142 void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len)
1144 uint protection, erp_len;
1146 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1147 struct registry_priv *pregistrypriv = &padapter->registrypriv;
1150 switch (pxmitpriv->vcs_setting) {
1152 pxmitpriv->vcs = NONE_VCS;
1158 perp = rtw_get_ie(ie, _ERPINFO_IE_, &erp_len, ie_len);
1160 pxmitpriv->vcs = NONE_VCS;
1162 protection = (*(perp + 2)) & BIT(1);
1164 if (pregistrypriv->vcs_type == RTS_CTS)
1165 pxmitpriv->vcs = RTS_CTS;
1167 pxmitpriv->vcs = CTS_TO_SELF;
1169 pxmitpriv->vcs = NONE_VCS;
1177 void rtw_count_tx_stats(struct adapter *padapter, struct xmit_frame *pxmitframe, int sz)
1179 struct sta_info *psta = NULL;
1180 struct stainfo_stats *pstats = NULL;
1181 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1182 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1184 if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) {
1185 pxmitpriv->tx_bytes += sz;
1186 pmlmepriv->LinkDetectInfo.NumTxOkInPeriod += pxmitframe->agg_num;
1188 psta = pxmitframe->attrib.psta;
1190 pstats = &psta->sta_stats;
1191 pstats->tx_pkts += pxmitframe->agg_num;
1192 pstats->tx_bytes += sz;
1197 struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv)
1200 struct xmit_buf *pxmitbuf;
1201 struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
1203 spin_lock_irqsave(&pfree_queue->lock, irql);
1204 pxmitbuf = list_first_entry_or_null(&pfree_queue->queue,
1205 struct xmit_buf, list);
1207 list_del_init(&pxmitbuf->list);
1208 pxmitpriv->free_xmit_extbuf_cnt--;
1209 pxmitbuf->priv_data = NULL;
1210 /* pxmitbuf->ext_tag = true; */
1211 if (pxmitbuf->sctx) {
1212 DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
1213 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1216 spin_unlock_irqrestore(&pfree_queue->lock, irql);
1221 s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
1224 struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
1227 if (pxmitbuf == NULL)
1230 spin_lock_irqsave(&pfree_queue->lock, irql);
1232 list_del_init(&pxmitbuf->list);
1234 list_add_tail(&(pxmitbuf->list), get_list_head(pfree_queue));
1235 pxmitpriv->free_xmit_extbuf_cnt++;
1237 spin_unlock_irqrestore(&pfree_queue->lock, irql);
1243 struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv)
1246 struct xmit_buf *pxmitbuf;
1247 struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
1249 /* DBG_88E("+rtw_alloc_xmitbuf\n"); */
1251 spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irql);
1252 pxmitbuf = list_first_entry_or_null(&pfree_xmitbuf_queue->queue,
1253 struct xmit_buf, list);
1255 list_del_init(&pxmitbuf->list);
1256 pxmitpriv->free_xmitbuf_cnt--;
1257 pxmitbuf->priv_data = NULL;
1258 if (pxmitbuf->sctx) {
1259 DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
1260 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1263 spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irql);
1268 s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
1271 struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
1273 if (pxmitbuf == NULL)
1276 if (pxmitbuf->sctx) {
1277 DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
1278 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE);
1281 if (pxmitbuf->ext_tag) {
1282 rtw_free_xmitbuf_ext(pxmitpriv, pxmitbuf);
1284 spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irql);
1286 list_del_init(&pxmitbuf->list);
1288 list_add_tail(&(pxmitbuf->list), get_list_head(pfree_xmitbuf_queue));
1290 pxmitpriv->free_xmitbuf_cnt++;
1291 spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irql);
1301 2. RXENTRY (rx_thread or RX_ISR/RX_CallBack)
1303 If we turn on USE_RXTHREAD, then, no need for critical section.
1304 Otherwise, we must use _enter/_exit critical to protect free_xmit_queue...
1306 Must be very very cautious...
1310 struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv)
1311 /* _queue *pfree_xmit_queue) */
1314 Please remember to use all the osdep_service api,
1315 and lock/unlock or _enter/_exit critical to protect
1318 struct xmit_frame *pxframe;
1319 struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
1321 spin_lock_bh(&pfree_xmit_queue->lock);
1322 pxframe = list_first_entry_or_null(&pfree_xmit_queue->queue,
1323 struct xmit_frame, list);
1325 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1326 ("rtw_alloc_xmitframe:%d\n",
1327 pxmitpriv->free_xmitframe_cnt));
1329 list_del_init(&pxframe->list);
1331 /* default value setting */
1332 pxmitpriv->free_xmitframe_cnt--;
1334 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1335 ("rtw_alloc_xmitframe():free_xmitframe_cnt=%d\n",
1336 pxmitpriv->free_xmitframe_cnt));
1338 pxframe->buf_addr = NULL;
1339 pxframe->pxmitbuf = NULL;
1341 memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib));
1342 /* pxframe->attrib.psta = NULL; */
1344 pxframe->frame_tag = DATA_FRAMETAG;
1346 pxframe->pkt = NULL;
1347 pxframe->pkt_offset = 1;/* default use pkt_offset to fill tx desc */
1349 pxframe->agg_num = 1;
1350 pxframe->ack_report = 0;
1352 spin_unlock_bh(&pfree_xmit_queue->lock);
1357 s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe)
1359 struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
1360 struct adapter *padapter = pxmitpriv->adapter;
1361 struct sk_buff *pndis_pkt = NULL;
1364 if (pxmitframe == NULL) {
1365 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====== rtw_free_xmitframe():pxmitframe == NULL!!!!!!!!!!\n"));
1369 spin_lock_bh(&pfree_xmit_queue->lock);
1371 list_del_init(&pxmitframe->list);
1373 if (pxmitframe->pkt) {
1374 pndis_pkt = pxmitframe->pkt;
1375 pxmitframe->pkt = NULL;
1378 list_add_tail(&pxmitframe->list, get_list_head(pfree_xmit_queue));
1380 pxmitpriv->free_xmitframe_cnt++;
1381 RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt));
1383 spin_unlock_bh(&pfree_xmit_queue->lock);
1386 rtw_os_pkt_complete(padapter, pndis_pkt);
1394 void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pframequeue)
1396 struct list_head *plist, *phead;
1397 struct xmit_frame *pxmitframe;
1400 spin_lock_bh(&(pframequeue->lock));
1402 phead = get_list_head(pframequeue);
1403 plist = phead->next;
1405 while (phead != plist) {
1406 pxmitframe = container_of(plist, struct xmit_frame, list);
1408 plist = plist->next;
1410 rtw_free_xmitframe(pxmitpriv, pxmitframe);
1412 spin_unlock_bh(&(pframequeue->lock));
1416 s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitframe)
1418 if (rtw_xmit_classifier(padapter, pxmitframe) == _FAIL) {
1419 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1420 ("rtw_xmitframe_enqueue: drop xmit pkt for classifier fail\n"));
1421 /* pxmitframe->pkt = NULL; */
1428 static struct xmit_frame *dequeue_one_xmitframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit, struct tx_servq *ptxservq, struct __queue *pframe_queue)
1430 struct list_head *xmitframe_plist, *xmitframe_phead;
1431 struct xmit_frame *pxmitframe = NULL;
1433 xmitframe_phead = get_list_head(pframe_queue);
1434 xmitframe_plist = xmitframe_phead->next;
1436 if (xmitframe_phead != xmitframe_plist) {
1437 pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
1439 xmitframe_plist = xmitframe_plist->next;
1441 list_del_init(&pxmitframe->list);
1448 struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit_i, int entry)
1450 struct list_head *sta_plist, *sta_phead;
1451 struct hw_xmit *phwxmit;
1452 struct tx_servq *ptxservq = NULL;
1453 struct __queue *pframe_queue = NULL;
1454 struct xmit_frame *pxmitframe = NULL;
1455 struct adapter *padapter = pxmitpriv->adapter;
1456 struct registry_priv *pregpriv = &padapter->registrypriv;
1460 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
1462 if (pregpriv->wifi_spec == 1) {
1465 for (j = 0; j < 4; j++)
1466 inx[j] = pxmitpriv->wmm_para_seq[j];
1469 spin_lock_bh(&pxmitpriv->lock);
1471 for (i = 0; i < entry; i++) {
1472 phwxmit = phwxmit_i + inx[i];
1474 sta_phead = get_list_head(phwxmit->sta_queue);
1475 sta_plist = sta_phead->next;
1477 while (sta_phead != sta_plist) {
1478 ptxservq = container_of(sta_plist, struct tx_servq, tx_pending);
1480 pframe_queue = &ptxservq->sta_pending;
1482 pxmitframe = dequeue_one_xmitframe(pxmitpriv, phwxmit, ptxservq, pframe_queue);
1487 /* Remove sta node when there are no pending packets. */
1488 if (list_empty(&pframe_queue->queue)) /* must be done after get_next and before break */
1489 list_del_init(&ptxservq->tx_pending);
1493 sta_plist = sta_plist->next;
1497 spin_unlock_bh(&pxmitpriv->lock);
1501 struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *psta, int up, u8 *ac)
1503 struct tx_servq *ptxservq;
1508 ptxservq = &(psta->sta_xmitpriv.bk_q);
1510 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BK\n"));
1514 ptxservq = &(psta->sta_xmitpriv.vi_q);
1516 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VI\n"));
1520 ptxservq = &(psta->sta_xmitpriv.vo_q);
1522 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VO\n"));
1527 ptxservq = &(psta->sta_xmitpriv.be_q);
1529 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BE\n"));
1538 * Will enqueue pxmitframe to the proper queue,
1539 * and indicate it to xx_pending list.....
1541 s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe)
1544 struct sta_info *psta;
1545 struct tx_servq *ptxservq;
1546 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1547 struct sta_priv *pstapriv = &padapter->stapriv;
1548 struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
1553 psta = pattrib->psta;
1555 psta = rtw_get_stainfo(pstapriv, pattrib->ra);
1559 DBG_88E("rtw_xmit_classifier: psta == NULL\n");
1560 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmit_classifier: psta == NULL\n"));
1564 ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
1566 if (list_empty(&ptxservq->tx_pending))
1567 list_add_tail(&ptxservq->tx_pending, get_list_head(phwxmits[ac_index].sta_queue));
1569 list_add_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending));
1571 phwxmits[ac_index].accnt++;
1578 s32 rtw_alloc_hwxmits(struct adapter *padapter)
1580 struct hw_xmit *hwxmits;
1581 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1583 pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;
1585 pxmitpriv->hwxmits = kcalloc(pxmitpriv->hwxmit_entry,
1586 sizeof(struct hw_xmit), GFP_KERNEL);
1587 if (!pxmitpriv->hwxmits)
1590 hwxmits = pxmitpriv->hwxmits;
1592 hwxmits[0] .sta_queue = &pxmitpriv->vo_pending;
1593 hwxmits[1] .sta_queue = &pxmitpriv->vi_pending;
1594 hwxmits[2] .sta_queue = &pxmitpriv->be_pending;
1595 hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
1599 void rtw_free_hwxmits(struct adapter *padapter)
1601 struct hw_xmit *hwxmits;
1602 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1604 hwxmits = pxmitpriv->hwxmits;
1608 void rtw_init_hwxmits(struct hw_xmit *phwxmit, int entry)
1612 for (i = 0; i < entry; i++, phwxmit++)
1616 u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe)
1619 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1621 switch (pattrib->qsel) {
1624 addr = BE_QUEUE_INX;
1628 addr = BK_QUEUE_INX;
1632 addr = VI_QUEUE_INX;
1636 addr = VO_QUEUE_INX;
1639 addr = BCN_QUEUE_INX;
1641 case 0x11:/* BC/MC in PS (HIQ) */
1642 addr = HIGH_QUEUE_INX;
1646 addr = MGT_QUEUE_INX;
1654 * The main transmit(tx) entry
1658 * 0 success, hardware will handle this xmit frame(packet)
1661 s32 rtw_xmit(struct adapter *padapter, struct sk_buff **ppkt)
1663 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1664 struct xmit_frame *pxmitframe = NULL;
1667 pxmitframe = rtw_alloc_xmitframe(pxmitpriv);
1668 if (pxmitframe == NULL) {
1669 RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: no more pxmitframe\n"));
1670 DBG_88E("DBG_TX_DROP_FRAME %s no more pxmitframe\n", __func__);
1674 res = update_attrib(padapter, *ppkt, &pxmitframe->attrib);
1677 RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: update attrib fail\n"));
1678 rtw_free_xmitframe(pxmitpriv, pxmitframe);
1681 pxmitframe->pkt = *ppkt;
1683 LedControl8188eu(padapter, LED_CTL_TX);
1685 pxmitframe->attrib.qsel = pxmitframe->attrib.priority;
1687 #ifdef CONFIG_88EU_AP_MODE
1688 spin_lock_bh(&pxmitpriv->lock);
1689 if (xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe)) {
1690 spin_unlock_bh(&pxmitpriv->lock);
1693 spin_unlock_bh(&pxmitpriv->lock);
1696 if (rtw_hal_xmit(padapter, pxmitframe) == false)
1702 #if defined(CONFIG_88EU_AP_MODE)
1704 int xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe)
1707 struct sta_info *psta = NULL;
1708 struct sta_priv *pstapriv = &padapter->stapriv;
1709 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1710 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1711 int bmcst = IS_MCAST(pattrib->ra);
1713 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == false)
1717 psta = pattrib->psta;
1719 psta = rtw_get_stainfo(pstapriv, pattrib->ra);
1724 if (pattrib->triggered == 1) {
1726 pattrib->qsel = 0x11;/* HIQ */
1731 spin_lock_bh(&psta->sleep_q.lock);
1733 if (pstapriv->sta_dz_bitmap) {/* if any one sta is in ps mode */
1734 list_del_init(&pxmitframe->list);
1736 list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
1740 pstapriv->tim_bitmap |= BIT(0);/* */
1741 pstapriv->sta_dz_bitmap |= BIT(0);
1743 update_beacon(padapter, _TIM_IE_, NULL, false);/* tx bc/mc packets after update bcn */
1748 spin_unlock_bh(&psta->sleep_q.lock);
1753 spin_lock_bh(&psta->sleep_q.lock);
1755 if (psta->state&WIFI_SLEEP_STATE) {
1758 if (pstapriv->sta_dz_bitmap&BIT(psta->aid)) {
1759 list_del_init(&pxmitframe->list);
1761 list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
1765 switch (pattrib->priority) {
1768 wmmps_ac = psta->uapsd_bk & BIT(0);
1772 wmmps_ac = psta->uapsd_vi & BIT(0);
1776 wmmps_ac = psta->uapsd_vo & BIT(0);
1781 wmmps_ac = psta->uapsd_be & BIT(0);
1786 psta->sleepq_ac_len++;
1788 if (((psta->has_legacy_ac) && (!wmmps_ac)) ||
1789 ((!psta->has_legacy_ac) && (wmmps_ac))) {
1790 pstapriv->tim_bitmap |= BIT(psta->aid);
1792 if (psta->sleepq_len == 1) {
1793 /* update BCN for TIM IE */
1794 update_beacon(padapter, _TIM_IE_, NULL, false);
1801 spin_unlock_bh(&psta->sleep_q.lock);
1806 static void dequeue_xmitframes_to_sleeping_queue(struct adapter *padapter, struct sta_info *psta, struct __queue *pframequeue)
1808 struct list_head *plist, *phead;
1810 struct tx_servq *ptxservq;
1811 struct pkt_attrib *pattrib;
1812 struct xmit_frame *pxmitframe;
1813 struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
1815 phead = get_list_head(pframequeue);
1816 plist = phead->next;
1818 while (phead != plist) {
1819 pxmitframe = container_of(plist, struct xmit_frame, list);
1821 plist = plist->next;
1823 xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe);
1825 pattrib = &pxmitframe->attrib;
1827 ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
1830 phwxmits[ac_index].accnt--;
1834 void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta)
1836 struct sta_info *psta_bmc;
1837 struct sta_xmit_priv *pstaxmitpriv;
1838 struct sta_priv *pstapriv = &padapter->stapriv;
1839 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1841 pstaxmitpriv = &psta->sta_xmitpriv;
1843 /* for BC/MC Frames */
1844 psta_bmc = rtw_get_bcmc_stainfo(padapter);
1846 spin_lock_bh(&pxmitpriv->lock);
1848 psta->state |= WIFI_SLEEP_STATE;
1850 pstapriv->sta_dz_bitmap |= BIT(psta->aid);
1852 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vo_q.sta_pending);
1853 list_del_init(&(pstaxmitpriv->vo_q.tx_pending));
1855 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending);
1856 list_del_init(&(pstaxmitpriv->vi_q.tx_pending));
1858 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->be_q.sta_pending);
1859 list_del_init(&(pstaxmitpriv->be_q.tx_pending));
1861 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->bk_q.sta_pending);
1862 list_del_init(&(pstaxmitpriv->bk_q.tx_pending));
1864 /* for BC/MC Frames */
1865 pstaxmitpriv = &psta_bmc->sta_xmitpriv;
1866 dequeue_xmitframes_to_sleeping_queue(padapter, psta_bmc, &pstaxmitpriv->be_q.sta_pending);
1867 list_del_init(&(pstaxmitpriv->be_q.tx_pending));
1869 spin_unlock_bh(&pxmitpriv->lock);
1872 void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta)
1874 u8 update_mask = 0, wmmps_ac = 0;
1875 struct sta_info *psta_bmc;
1876 struct list_head *xmitframe_plist, *xmitframe_phead;
1877 struct xmit_frame *pxmitframe = NULL;
1878 struct sta_priv *pstapriv = &padapter->stapriv;
1880 spin_lock_bh(&psta->sleep_q.lock);
1882 xmitframe_phead = get_list_head(&psta->sleep_q);
1883 xmitframe_plist = xmitframe_phead->next;
1885 while (xmitframe_phead != xmitframe_plist) {
1886 pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
1888 xmitframe_plist = xmitframe_plist->next;
1890 list_del_init(&pxmitframe->list);
1892 switch (pxmitframe->attrib.priority) {
1895 wmmps_ac = psta->uapsd_bk & BIT(1);
1899 wmmps_ac = psta->uapsd_vi & BIT(1);
1903 wmmps_ac = psta->uapsd_vo & BIT(1);
1908 wmmps_ac = psta->uapsd_be & BIT(1);
1913 if (psta->sleepq_len > 0)
1914 pxmitframe->attrib.mdata = 1;
1916 pxmitframe->attrib.mdata = 0;
1919 psta->sleepq_ac_len--;
1920 if (psta->sleepq_ac_len > 0) {
1921 pxmitframe->attrib.mdata = 1;
1922 pxmitframe->attrib.eosp = 0;
1924 pxmitframe->attrib.mdata = 0;
1925 pxmitframe->attrib.eosp = 1;
1929 pxmitframe->attrib.triggered = 1;
1931 spin_unlock_bh(&psta->sleep_q.lock);
1932 if (rtw_hal_xmit(padapter, pxmitframe))
1933 rtw_os_xmit_complete(padapter, pxmitframe);
1934 spin_lock_bh(&psta->sleep_q.lock);
1937 if (psta->sleepq_len == 0) {
1938 pstapriv->tim_bitmap &= ~BIT(psta->aid);
1940 update_mask = BIT(0);
1942 if (psta->state&WIFI_SLEEP_STATE)
1943 psta->state ^= WIFI_SLEEP_STATE;
1945 if (psta->state & WIFI_STA_ALIVE_CHK_STATE) {
1946 psta->expire_to = pstapriv->expire_to;
1947 psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
1950 pstapriv->sta_dz_bitmap &= ~BIT(psta->aid);
1953 spin_unlock_bh(&psta->sleep_q.lock);
1955 /* for BC/MC Frames */
1956 psta_bmc = rtw_get_bcmc_stainfo(padapter);
1960 if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0) { /* no any sta in ps mode */
1961 spin_lock_bh(&psta_bmc->sleep_q.lock);
1963 xmitframe_phead = get_list_head(&psta_bmc->sleep_q);
1964 xmitframe_plist = xmitframe_phead->next;
1966 while (xmitframe_phead != xmitframe_plist) {
1967 pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
1969 xmitframe_plist = xmitframe_plist->next;
1971 list_del_init(&pxmitframe->list);
1973 psta_bmc->sleepq_len--;
1974 if (psta_bmc->sleepq_len > 0)
1975 pxmitframe->attrib.mdata = 1;
1977 pxmitframe->attrib.mdata = 0;
1979 pxmitframe->attrib.triggered = 1;
1981 spin_unlock_bh(&psta_bmc->sleep_q.lock);
1982 if (rtw_hal_xmit(padapter, pxmitframe))
1983 rtw_os_xmit_complete(padapter, pxmitframe);
1984 spin_lock_bh(&psta_bmc->sleep_q.lock);
1987 if (psta_bmc->sleepq_len == 0) {
1988 pstapriv->tim_bitmap &= ~BIT(0);
1989 pstapriv->sta_dz_bitmap &= ~BIT(0);
1991 update_mask |= BIT(1);
1994 spin_unlock_bh(&psta_bmc->sleep_q.lock);
1998 update_beacon(padapter, _TIM_IE_, NULL, false);
2001 void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta)
2004 struct list_head *xmitframe_plist, *xmitframe_phead;
2005 struct xmit_frame *pxmitframe = NULL;
2006 struct sta_priv *pstapriv = &padapter->stapriv;
2008 spin_lock_bh(&psta->sleep_q.lock);
2010 xmitframe_phead = get_list_head(&psta->sleep_q);
2011 xmitframe_plist = xmitframe_phead->next;
2013 while (xmitframe_phead != xmitframe_plist) {
2014 pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
2016 xmitframe_plist = xmitframe_plist->next;
2018 switch (pxmitframe->attrib.priority) {
2021 wmmps_ac = psta->uapsd_bk & BIT(1);
2025 wmmps_ac = psta->uapsd_vi & BIT(1);
2029 wmmps_ac = psta->uapsd_vo & BIT(1);
2034 wmmps_ac = psta->uapsd_be & BIT(1);
2041 list_del_init(&pxmitframe->list);
2044 psta->sleepq_ac_len--;
2046 if (psta->sleepq_ac_len > 0) {
2047 pxmitframe->attrib.mdata = 1;
2048 pxmitframe->attrib.eosp = 0;
2050 pxmitframe->attrib.mdata = 0;
2051 pxmitframe->attrib.eosp = 1;
2054 pxmitframe->attrib.triggered = 1;
2056 if (rtw_hal_xmit(padapter, pxmitframe) == true)
2057 rtw_os_xmit_complete(padapter, pxmitframe);
2059 if ((psta->sleepq_ac_len == 0) && (!psta->has_legacy_ac) && (wmmps_ac)) {
2060 pstapriv->tim_bitmap &= ~BIT(psta->aid);
2062 /* update BCN for TIM IE */
2063 update_beacon(padapter, _TIM_IE_, NULL, false);
2067 spin_unlock_bh(&psta->sleep_q.lock);
2072 void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms)
2074 sctx->timeout_ms = timeout_ms;
2075 sctx->submit_time = jiffies;
2076 init_completion(&sctx->done);
2077 sctx->status = RTW_SCTX_SUBMITTED;
2080 int rtw_sctx_wait(struct submit_ctx *sctx)
2083 unsigned long expire;
2086 expire = sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) : MAX_SCHEDULE_TIMEOUT;
2087 if (!wait_for_completion_timeout(&sctx->done, expire)) {
2088 /* timeout, do something?? */
2089 status = RTW_SCTX_DONE_TIMEOUT;
2090 DBG_88E("%s timeout\n", __func__);
2092 status = sctx->status;
2095 if (status == RTW_SCTX_DONE_SUCCESS)
2101 static bool rtw_sctx_chk_waring_status(int status)
2104 case RTW_SCTX_DONE_UNKNOWN:
2105 case RTW_SCTX_DONE_BUF_ALLOC:
2106 case RTW_SCTX_DONE_BUF_FREE:
2108 case RTW_SCTX_DONE_DRV_STOP:
2109 case RTW_SCTX_DONE_DEV_REMOVE:
2116 void rtw_sctx_done_err(struct submit_ctx **sctx, int status)
2119 if (rtw_sctx_chk_waring_status(status))
2120 DBG_88E("%s status:%d\n", __func__, status);
2121 (*sctx)->status = status;
2122 complete(&((*sctx)->done));
2127 int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms)
2129 struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
2131 pack_tx_ops->submit_time = jiffies;
2132 pack_tx_ops->timeout_ms = timeout_ms;
2133 pack_tx_ops->status = RTW_SCTX_SUBMITTED;
2135 return rtw_sctx_wait(pack_tx_ops);
2138 void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status)
2140 struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
2142 if (pxmitpriv->ack_tx)
2143 rtw_sctx_done_err(&pack_tx_ops, status);
2145 DBG_88E("%s ack_tx not set\n", __func__);