--- /dev/null
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ *
+ ******************************************************************************/
+#define _RTW_XMIT_C_
+
+#include <osdep_service.h>
+#include <drv_types.h>
+#include <wifi.h>
+#include <osdep_intf.h>
+#include <linux/vmalloc.h>
+
+static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 };
+static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 };
+
+static void _init_txservq(struct tx_servq *ptxservq)
+{
+ INIT_LIST_HEAD(&ptxservq->tx_pending);
+ _rtw_init_queue(&ptxservq->sta_pending);
+ ptxservq->qcnt = 0;
+}
+
+void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv)
+{
+ memset((unsigned char *)psta_xmitpriv, 0, sizeof(struct sta_xmit_priv));
+ spin_lock_init(&psta_xmitpriv->lock);
+ _init_txservq(&psta_xmitpriv->be_q);
+ _init_txservq(&psta_xmitpriv->bk_q);
+ _init_txservq(&psta_xmitpriv->vi_q);
+ _init_txservq(&psta_xmitpriv->vo_q);
+ INIT_LIST_HEAD(&psta_xmitpriv->legacy_dz);
+ INIT_LIST_HEAD(&psta_xmitpriv->apsd);
+
+}
+
+s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
+{
+ int i;
+ struct xmit_buf *pxmitbuf;
+ struct xmit_frame *pxframe;
+ int res = _SUCCESS;
+ u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ;
+ u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
+
+
+ /* We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */
+
+ spin_lock_init(&pxmitpriv->lock);
+ sema_init(&pxmitpriv->xmit_sema, 0);
+ sema_init(&pxmitpriv->terminate_xmitthread_sema, 0);
+
+ /*
+ Please insert all the queue initializaiton using _rtw_init_queue below
+ */
+
+ pxmitpriv->adapter = padapter;
+
+ _rtw_init_queue(&pxmitpriv->be_pending);
+ _rtw_init_queue(&pxmitpriv->bk_pending);
+ _rtw_init_queue(&pxmitpriv->vi_pending);
+ _rtw_init_queue(&pxmitpriv->vo_pending);
+ _rtw_init_queue(&pxmitpriv->bm_pending);
+
+ _rtw_init_queue(&pxmitpriv->free_xmit_queue);
+
+ /*
+ Please allocate memory with the sz = (struct xmit_frame) * NR_XMITFRAME,
+ and initialize free_xmit_frame below.
+ Please also apply free_txobj to link_up all the xmit_frames...
+ */
+
+ pxmitpriv->pallocated_frame_buf = vzalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4);
+
+ if (pxmitpriv->pallocated_frame_buf == NULL) {
+ pxmitpriv->pxmit_frame_buf = NULL;
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_frame fail!\n"));
+ res = _FAIL;
+ goto exit;
+ }
+ pxmitpriv->pxmit_frame_buf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitpriv->pallocated_frame_buf), 4);
+ /* pxmitpriv->pxmit_frame_buf = pxmitpriv->pallocated_frame_buf + 4 - */
+ /* ((size_t) (pxmitpriv->pallocated_frame_buf) &3); */
+
+ pxframe = (struct xmit_frame *)pxmitpriv->pxmit_frame_buf;
+
+ for (i = 0; i < NR_XMITFRAME; i++) {
+ INIT_LIST_HEAD(&(pxframe->list));
+
+ pxframe->padapter = padapter;
+ pxframe->frame_tag = NULL_FRAMETAG;
+
+ pxframe->pkt = NULL;
+
+ pxframe->buf_addr = NULL;
+ pxframe->pxmitbuf = NULL;
+
+ list_add_tail(&(pxframe->list), &(pxmitpriv->free_xmit_queue.queue));
+
+ pxframe++;
+ }
+
+ pxmitpriv->free_xmitframe_cnt = NR_XMITFRAME;
+
+ pxmitpriv->frag_len = MAX_FRAG_THRESHOLD;
+
+ /* init xmit_buf */
+ _rtw_init_queue(&pxmitpriv->free_xmitbuf_queue);
+ _rtw_init_queue(&pxmitpriv->pending_xmitbuf_queue);
+
+ pxmitpriv->pallocated_xmitbuf = vzalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4);
+
+ if (pxmitpriv->pallocated_xmitbuf == NULL) {
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_buf fail!\n"));
+ res = _FAIL;
+ goto exit;
+ }
+
+ pxmitpriv->pxmitbuf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitpriv->pallocated_xmitbuf), 4);
+ /* pxmitpriv->pxmitbuf = pxmitpriv->pallocated_xmitbuf + 4 - */
+ /* ((size_t) (pxmitpriv->pallocated_xmitbuf) &3); */
+
+ pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf;
+
+ for (i = 0; i < NR_XMITBUFF; i++) {
+ INIT_LIST_HEAD(&pxmitbuf->list);
+
+ pxmitbuf->priv_data = NULL;
+ pxmitbuf->padapter = padapter;
+ pxmitbuf->ext_tag = false;
+
+ /* Tx buf allocation may fail sometimes, so sleep and retry. */
+ res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
+ if (res == _FAIL) {
+ msleep(10);
+ res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
+ if (res == _FAIL) {
+ goto exit;
+ }
+ }
+
+ pxmitbuf->flags = XMIT_VO_QUEUE;
+
+ list_add_tail(&pxmitbuf->list, &(pxmitpriv->free_xmitbuf_queue.queue));
+ pxmitbuf++;
+ }
+
+ pxmitpriv->free_xmitbuf_cnt = NR_XMITBUFF;
+
+ /* Init xmit extension buff */
+ _rtw_init_queue(&pxmitpriv->free_xmit_extbuf_queue);
+
+ pxmitpriv->pallocated_xmit_extbuf = vzalloc(num_xmit_extbuf * sizeof(struct xmit_buf) + 4);
+
+ if (pxmitpriv->pallocated_xmit_extbuf == NULL) {
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_extbuf fail!\n"));
+ res = _FAIL;
+ goto exit;
+ }
+
+ pxmitpriv->pxmit_extbuf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitpriv->pallocated_xmit_extbuf), 4);
+
+ pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
+
+ for (i = 0; i < num_xmit_extbuf; i++) {
+ INIT_LIST_HEAD(&pxmitbuf->list);
+
+ pxmitbuf->priv_data = NULL;
+ pxmitbuf->padapter = padapter;
+ pxmitbuf->ext_tag = true;
+
+ res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, max_xmit_extbuf_size + XMITBUF_ALIGN_SZ);
+ if (res == _FAIL) {
+ res = _FAIL;
+ goto exit;
+ }
+
+ list_add_tail(&pxmitbuf->list, &(pxmitpriv->free_xmit_extbuf_queue.queue));
+ pxmitbuf++;
+ }
+
+ pxmitpriv->free_xmit_extbuf_cnt = num_xmit_extbuf;
+
+ rtw_alloc_hwxmits(padapter);
+ rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry);
+
+ for (i = 0; i < 4; i++)
+ pxmitpriv->wmm_para_seq[i] = i;
+
+ pxmitpriv->txirp_cnt = 1;
+
+ sema_init(&(pxmitpriv->tx_retevt), 0);
+
+ /* per AC pending irp */
+ pxmitpriv->beq_cnt = 0;
+ pxmitpriv->bkq_cnt = 0;
+ pxmitpriv->viq_cnt = 0;
+ pxmitpriv->voq_cnt = 0;
+
+ pxmitpriv->ack_tx = false;
+ mutex_init(&pxmitpriv->ack_tx_mutex);
+ rtw_sctx_init(&pxmitpriv->ack_tx_ops, 0);
+
+ rtw_hal_init_xmit_priv(padapter);
+
+exit:
+
+
+ return res;
+}
+
+void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv)
+{
+ int i;
+ struct adapter *padapter = pxmitpriv->adapter;
+ struct xmit_frame *pxmitframe = (struct xmit_frame *)pxmitpriv->pxmit_frame_buf;
+ struct xmit_buf *pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf;
+ u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ;
+ u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
+
+ if (pxmitpriv->pxmit_frame_buf == NULL)
+ return;
+
+ for (i = 0; i < NR_XMITFRAME; i++) {
+ rtw_os_xmit_complete(padapter, pxmitframe);
+
+ pxmitframe++;
+ }
+
+ for (i = 0; i < NR_XMITBUFF; i++) {
+ rtw_os_xmit_resource_free(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
+ pxmitbuf++;
+ }
+
+ if (pxmitpriv->pallocated_frame_buf)
+ vfree(pxmitpriv->pallocated_frame_buf);
+
+ if (pxmitpriv->pallocated_xmitbuf)
+ vfree(pxmitpriv->pallocated_xmitbuf);
+
+ /* free xmit extension buff */
+ pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
+ for (i = 0; i < num_xmit_extbuf; i++) {
+ rtw_os_xmit_resource_free(padapter, pxmitbuf, (max_xmit_extbuf_size + XMITBUF_ALIGN_SZ));
+ pxmitbuf++;
+ }
+
+ if (pxmitpriv->pallocated_xmit_extbuf) {
+ vfree(pxmitpriv->pallocated_xmit_extbuf);
+ }
+
+ rtw_free_hwxmits(padapter);
+
+ mutex_destroy(&pxmitpriv->ack_tx_mutex);
+}
+
+static void update_attrib_vcs_info(struct adapter *padapter, struct xmit_frame *pxmitframe)
+{
+ u32 sz;
+ struct pkt_attrib *pattrib = &pxmitframe->attrib;
+ struct sta_info *psta = pattrib->psta;
+ struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+
+ if (pattrib->nr_frags != 1)
+ sz = padapter->xmitpriv.frag_len;
+ else /* no frag */
+ sz = pattrib->last_txcmdsz;
+
+ /* (1) RTS_Threshold is compared to the MPDU, not MSDU. */
+ /* (2) If there are more than one frag in this MSDU, only the first frag uses protection frame. */
+ /* Other fragments are protected by previous fragment. */
+ /* So we only need to check the length of first fragment. */
+ if (pmlmeext->cur_wireless_mode < WIRELESS_11_24N || padapter->registrypriv.wifi_spec) {
+ if (sz > padapter->registrypriv.rts_thresh) {
+ pattrib->vcs_mode = RTS_CTS;
+ } else {
+ if (psta->rtsen)
+ pattrib->vcs_mode = RTS_CTS;
+ else if (psta->cts2self)
+ pattrib->vcs_mode = CTS_TO_SELF;
+ else
+ pattrib->vcs_mode = NONE_VCS;
+ }
+ } else {
+ while (true) {
+ /* IOT action */
+ if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_ATHEROS) && pattrib->ampdu_en &&
+ (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) {
+ pattrib->vcs_mode = CTS_TO_SELF;
+ break;
+ }
+
+ /* check ERP protection */
+ if (psta->rtsen || psta->cts2self) {
+ if (psta->rtsen)
+ pattrib->vcs_mode = RTS_CTS;
+ else if (psta->cts2self)
+ pattrib->vcs_mode = CTS_TO_SELF;
+
+ break;
+ }
+
+ /* check HT op mode */
+ if (pattrib->ht_en) {
+ u8 htopmode = pmlmeinfo->HT_protection;
+ if ((pmlmeext->cur_bwmode && (htopmode == 2 || htopmode == 3)) ||
+ (!pmlmeext->cur_bwmode && htopmode == 3)) {
+ pattrib->vcs_mode = RTS_CTS;
+ break;
+ }
+ }
+
+ /* check rts */
+ if (sz > padapter->registrypriv.rts_thresh) {
+ pattrib->vcs_mode = RTS_CTS;
+ break;
+ }
+
+ /* to do list: check MIMO power save condition. */
+
+ /* check AMPDU aggregation for TXOP */
+ if (pattrib->ampdu_en) {
+ pattrib->vcs_mode = RTS_CTS;
+ break;
+ }
+
+ pattrib->vcs_mode = NONE_VCS;
+ break;
+ }
+ }
+}
+
+static void update_attrib_phy_info(struct pkt_attrib *pattrib, struct sta_info *psta)
+{
+ /*if (psta->rtsen)
+ pattrib->vcs_mode = RTS_CTS;
+ else if (psta->cts2self)
+ pattrib->vcs_mode = CTS_TO_SELF;
+ else
+ pattrib->vcs_mode = NONE_VCS;*/
+
+ pattrib->mdata = 0;
+ pattrib->eosp = 0;
+ pattrib->triggered = 0;
+
+ /* qos_en, ht_en, init rate, , bw, ch_offset, sgi */
+ pattrib->qos_en = psta->qos_option;
+
+ pattrib->raid = psta->raid;
+ pattrib->ht_en = psta->htpriv.ht_option;
+ pattrib->bwmode = psta->htpriv.bwmode;
+ pattrib->ch_offset = psta->htpriv.ch_offset;
+ pattrib->sgi = psta->htpriv.sgi;
+ pattrib->ampdu_en = false;
+ pattrib->retry_ctrl = false;
+}
+
+u8 qos_acm(u8 acm_mask, u8 priority)
+{
+ u8 change_priority = priority;
+
+ switch (priority) {
+ case 0:
+ case 3:
+ if (acm_mask & BIT(1))
+ change_priority = 1;
+ break;
+ case 1:
+ case 2:
+ break;
+ case 4:
+ case 5:
+ if (acm_mask & BIT(2))
+ change_priority = 0;
+ break;
+ case 6:
+ case 7:
+ if (acm_mask & BIT(3))
+ change_priority = 5;
+ break;
+ default:
+ DBG_88E("qos_acm(): invalid pattrib->priority: %d!!!\n", priority);
+ break;
+ }
+
+ return change_priority;
+}
+
+static void set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib)
+{
+ struct ethhdr etherhdr;
+ struct iphdr ip_hdr;
+ s32 user_prio = 0;
+
+ _rtw_open_pktfile(ppktfile->pkt, ppktfile);
+ _rtw_pktfile_read(ppktfile, (unsigned char *)ðerhdr, ETH_HLEN);
+
+ /* get user_prio from IP hdr */
+ if (pattrib->ether_type == 0x0800) {
+ _rtw_pktfile_read(ppktfile, (u8 *)&ip_hdr, sizeof(ip_hdr));
+/* user_prio = (ntohs(ip_hdr.tos) >> 5) & 0x3; */
+ user_prio = ip_hdr.tos >> 5;
+ } else if (pattrib->ether_type == 0x888e) {
+ /* "When priority processing of data frames is supported, */
+ /* a STA's SME should send EAPOL-Key frames at the highest priority." */
+ user_prio = 7;
+ }
+
+ pattrib->priority = user_prio;
+ pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN;
+ pattrib->subtype = WIFI_QOS_DATA_TYPE;
+}
+
+static s32 update_attrib(struct adapter *padapter, struct sk_buff *pkt, struct pkt_attrib *pattrib)
+{
+ struct pkt_file pktfile;
+ struct sta_info *psta = NULL;
+ struct ethhdr etherhdr;
+
+ int bmcast;
+ struct sta_priv *pstapriv = &padapter->stapriv;
+ struct security_priv *psecuritypriv = &padapter->securitypriv;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ struct qos_priv *pqospriv = &pmlmepriv->qospriv;
+ int res = _SUCCESS;
+
+
+ _rtw_open_pktfile(pkt, &pktfile);
+ _rtw_pktfile_read(&pktfile, (u8 *)ðerhdr, ETH_HLEN);
+
+ pattrib->ether_type = ntohs(etherhdr.h_proto);
+
+ memcpy(pattrib->dst, ðerhdr.h_dest, ETH_ALEN);
+ memcpy(pattrib->src, ðerhdr.h_source, ETH_ALEN);
+
+ pattrib->pctrl = 0;
+
+ if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
+ check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
+ memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
+ memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
+ } else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
+ memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN);
+ memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
+ } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
+ memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
+ memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN);
+ }
+
+ pattrib->pktlen = pktfile.pkt_len;
+
+ if (ETH_P_IP == pattrib->ether_type) {
+ /* The following is for DHCP and ARP packet, we use cck1M to tx these packets and let LPS awake some time */
+ /* to prevent DHCP protocol fail */
+ u8 tmp[24];
+ _rtw_pktfile_read(&pktfile, &tmp[0], 24);
+ pattrib->dhcp_pkt = 0;
+ if (pktfile.pkt_len > 282) {/* MINIMUM_DHCP_PACKET_SIZE) { */
+ if (ETH_P_IP == pattrib->ether_type) {/* IP header */
+ if (((tmp[21] == 68) && (tmp[23] == 67)) ||
+ ((tmp[21] == 67) && (tmp[23] == 68))) {
+ /* 68 : UDP BOOTP client */
+ /* 67 : UDP BOOTP server */
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====================== update_attrib: get DHCP Packet\n"));
+ /* Use low rate to send DHCP packet. */
+ pattrib->dhcp_pkt = 1;
+ }
+ }
+ }
+ } else if (0x888e == pattrib->ether_type) {
+ DBG_88E_LEVEL(_drv_info_, "send eapol packet\n");
+ }
+
+ if ((pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1))
+ rtw_set_scan_deny(padapter, 3000);
+
+ /* If EAPOL , ARP , OR DHCP packet, driver must be in active mode. */
+ if ((pattrib->ether_type == 0x0806) || (pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1))
+ rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SPECIAL_PACKET, 1);
+
+ bmcast = IS_MCAST(pattrib->ra);
+
+ /* get sta_info */
+ if (bmcast) {
+ psta = rtw_get_bcmc_stainfo(padapter);
+ } else {
+ psta = rtw_get_stainfo(pstapriv, pattrib->ra);
+ if (psta == NULL) { /* if we cannot get psta => drrp the pkt */
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra: %pM\n", (pattrib->ra)));
+ res = _FAIL;
+ goto exit;
+ } else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) && (!(psta->state & _FW_LINKED))) {
+ res = _FAIL;
+ goto exit;
+ }
+ }
+
+ if (psta) {
+ pattrib->mac_id = psta->mac_id;
+ /* DBG_88E("%s ==> mac_id(%d)\n", __func__, pattrib->mac_id); */
+ pattrib->psta = psta;
+ } else {
+ /* if we cannot get psta => drop the pkt */
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:%pM\n", (pattrib->ra)));
+ res = _FAIL;
+ goto exit;
+ }
+
+ pattrib->ack_policy = 0;
+ /* get ether_hdr_len */
+ pattrib->pkt_hdrlen = ETH_HLEN;/* pattrib->ether_type == 0x8100) ? (14 + 4): 14; vlan tag */
+
+ pattrib->hdrlen = WLAN_HDR_A3_LEN;
+ pattrib->subtype = WIFI_DATA_TYPE;
+ pattrib->priority = 0;
+
+ if (check_fwstate(pmlmepriv, WIFI_AP_STATE|WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE)) {
+ if (psta->qos_option)
+ set_qos(&pktfile, pattrib);
+ } else {
+ if (pqospriv->qos_option) {
+ set_qos(&pktfile, pattrib);
+
+ if (pmlmepriv->acm_mask != 0)
+ pattrib->priority = qos_acm(pmlmepriv->acm_mask, pattrib->priority);
+ }
+ }
+
+ if (psta->ieee8021x_blocked) {
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\n psta->ieee8021x_blocked == true\n"));
+
+ pattrib->encrypt = 0;
+
+ if ((pattrib->ether_type != 0x888e) && !check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\npsta->ieee8021x_blocked == true, pattrib->ether_type(%.4x) != 0x888e\n", pattrib->ether_type));
+ res = _FAIL;
+ goto exit;
+ }
+ } else {
+ GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast);
+
+ switch (psecuritypriv->dot11AuthAlgrthm) {
+ case dot11AuthAlgrthm_Open:
+ case dot11AuthAlgrthm_Shared:
+ case dot11AuthAlgrthm_Auto:
+ pattrib->key_idx = (u8)psecuritypriv->dot11PrivacyKeyIndex;
+ break;
+ case dot11AuthAlgrthm_8021X:
+ if (bmcast)
+ pattrib->key_idx = (u8)psecuritypriv->dot118021XGrpKeyid;
+ else
+ pattrib->key_idx = 0;
+ break;
+ default:
+ pattrib->key_idx = 0;
+ break;
+ }
+ }
+
+ switch (pattrib->encrypt) {
+ case _WEP40_:
+ case _WEP104_:
+ pattrib->iv_len = 4;
+ pattrib->icv_len = 4;
+ break;
+ case _TKIP_:
+ pattrib->iv_len = 8;
+ pattrib->icv_len = 4;
+
+ if (padapter->securitypriv.busetkipkey == _FAIL) {
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
+ ("\npadapter->securitypriv.busetkipkey(%d) == _FAIL drop packet\n",
+ padapter->securitypriv.busetkipkey));
+ res = _FAIL;
+ goto exit;
+ }
+ break;
+ case _AES_:
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("pattrib->encrypt=%d (_AES_)\n", pattrib->encrypt));
+ pattrib->iv_len = 8;
+ pattrib->icv_len = 8;
+ break;
+ default:
+ pattrib->iv_len = 0;
+ pattrib->icv_len = 0;
+ break;
+ }
+
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
+ ("update_attrib: encrypt=%d securitypriv.sw_encrypt=%d\n",
+ pattrib->encrypt, padapter->securitypriv.sw_encrypt));
+
+ if (pattrib->encrypt &&
+ (padapter->securitypriv.sw_encrypt || !psecuritypriv->hw_decrypted)) {
+ pattrib->bswenc = true;
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
+ ("update_attrib: encrypt=%d securitypriv.hw_decrypted=%d bswenc = true\n",
+ pattrib->encrypt, padapter->securitypriv.sw_encrypt));
+ } else {
+ pattrib->bswenc = false;
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("update_attrib: bswenc = false\n"));
+ }
+
+ update_attrib_phy_info(pattrib, psta);
+
+exit:
+
+
+ return res;
+}
+
+static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitframe)
+{
+ int curfragnum, length;
+ u8 *pframe, *payload, mic[8];
+ struct mic_data micdata;
+ struct sta_info *stainfo;
+ struct pkt_attrib *pattrib = &pxmitframe->attrib;
+ struct security_priv *psecuritypriv = &padapter->securitypriv;
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+ u8 priority[4] = {0x0, 0x0, 0x0, 0x0};
+ u8 hw_hdr_offset = 0;
+ int bmcst = IS_MCAST(pattrib->ra);
+
+ if (pattrib->psta)
+ stainfo = pattrib->psta;
+ else
+ stainfo = rtw_get_stainfo(&padapter->stapriv , &pattrib->ra[0]);
+
+
+ hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);
+
+ if (pattrib->encrypt == _TKIP_) {/* if (psecuritypriv->dot11PrivacyAlgrthm == _TKIP_PRIVACY_) */
+ /* encode mic code */
+ if (stainfo != NULL) {
+ u8 null_key[16] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+ 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+ 0x0, 0x0};
+
+ pframe = pxmitframe->buf_addr + hw_hdr_offset;
+
+ if (bmcst) {
+ if (!memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16))
+ return _FAIL;
+ /* start to calculate the mic code */
+ rtw_secmicsetkey(&micdata, psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey);
+ } else {
+ if (!memcmp(&stainfo->dot11tkiptxmickey.skey[0], null_key, 16)) {
+ /* DbgPrint("\nxmitframe_addmic:stainfo->dot11tkiptxmickey == 0\n"); */
+ /* msleep(10); */
+ return _FAIL;
+ }
+ /* start to calculate the mic code */
+ rtw_secmicsetkey(&micdata, &stainfo->dot11tkiptxmickey.skey[0]);
+ }
+
+ if (pframe[1]&1) { /* ToDS == 1 */
+ rtw_secmicappend(&micdata, &pframe[16], 6); /* DA */
+ if (pframe[1]&2) /* From Ds == 1 */
+ rtw_secmicappend(&micdata, &pframe[24], 6);
+ else
+ rtw_secmicappend(&micdata, &pframe[10], 6);
+ } else { /* ToDS == 0 */
+ rtw_secmicappend(&micdata, &pframe[4], 6); /* DA */
+ if (pframe[1]&2) /* From Ds == 1 */
+ rtw_secmicappend(&micdata, &pframe[16], 6);
+ else
+ rtw_secmicappend(&micdata, &pframe[10], 6);
+ }
+
+ if (pattrib->qos_en)
+ priority[0] = (u8)pxmitframe->attrib.priority;
+
+ rtw_secmicappend(&micdata, &priority[0], 4);
+
+ payload = pframe;
+
+ for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) {
+ payload = (u8 *)round_up((size_t)(payload), 4);
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
+ ("=== curfragnum=%d, pframe = 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x,!!!\n",
+ curfragnum, *payload, *(payload+1),
+ *(payload+2), *(payload+3),
+ *(payload+4), *(payload+5),
+ *(payload+6), *(payload+7)));
+
+ payload = payload+pattrib->hdrlen+pattrib->iv_len;
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
+ ("curfragnum=%d pattrib->hdrlen=%d pattrib->iv_len=%d",
+ curfragnum, pattrib->hdrlen, pattrib->iv_len));
+ if ((curfragnum+1) == pattrib->nr_frags) {
+ length = pattrib->last_txcmdsz-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0);
+ rtw_secmicappend(&micdata, payload, length);
+ payload = payload+length;
+ } else {
+ length = pxmitpriv->frag_len-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0);
+ rtw_secmicappend(&micdata, payload, length);
+ payload = payload+length+pattrib->icv_len;
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("curfragnum=%d length=%d pattrib->icv_len=%d", curfragnum, length, pattrib->icv_len));
+ }
+ }
+ rtw_secgetmic(&micdata, &(mic[0]));
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: before add mic code!!!\n"));
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: pattrib->last_txcmdsz=%d!!!\n", pattrib->last_txcmdsz));
+ 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\
+ mic[4]= 0x%.2x , mic[5]= 0x%.2x , mic[6]= 0x%.2x , mic[7]= 0x%.2x !!!!\n",
+ mic[0], mic[1], mic[2], mic[3], mic[4], mic[5], mic[6], mic[7]));
+ /* add mic code and add the mic code length in last_txcmdsz */
+
+ memcpy(payload, &(mic[0]), 8);
+ pattrib->last_txcmdsz += 8;
+
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("\n ======== last pkt ========\n"));
+ payload = payload-pattrib->last_txcmdsz+8;
+ for (curfragnum = 0; curfragnum < pattrib->last_txcmdsz; curfragnum = curfragnum+8)
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
+ (" %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x ",
+ *(payload+curfragnum), *(payload+curfragnum+1),
+ *(payload+curfragnum+2), *(payload+curfragnum+3),
+ *(payload+curfragnum+4), *(payload+curfragnum+5),
+ *(payload+curfragnum+6), *(payload+curfragnum+7)));
+ } else {
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: rtw_get_stainfo==NULL!!!\n"));
+ }
+ }
+
+
+ return _SUCCESS;
+}
+
+static s32 xmitframe_swencrypt(struct adapter *padapter, struct xmit_frame *pxmitframe)
+{
+ struct pkt_attrib *pattrib = &pxmitframe->attrib;
+
+
+ if (pattrib->bswenc) {
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("### xmitframe_swencrypt\n"));
+ switch (pattrib->encrypt) {
+ case _WEP40_:
+ case _WEP104_:
+ rtw_wep_encrypt(padapter, (u8 *)pxmitframe);
+ break;
+ case _TKIP_:
+ rtw_tkip_encrypt(padapter, (u8 *)pxmitframe);
+ break;
+ case _AES_:
+ rtw_aes_encrypt(padapter, (u8 *)pxmitframe);
+ break;
+ default:
+ break;
+ }
+ } else {
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, ("### xmitframe_hwencrypt\n"));
+ }
+
+
+ return _SUCCESS;
+}
+
+s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr, struct pkt_attrib *pattrib)
+{
+ u16 *qc;
+
+ struct rtw_ieee80211_hdr *pwlanhdr = (struct rtw_ieee80211_hdr *)hdr;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ struct qos_priv *pqospriv = &pmlmepriv->qospriv;
+ u8 qos_option = false;
+
+ int res = _SUCCESS;
+ __le16 *fctrl = &pwlanhdr->frame_ctl;
+
+ struct sta_info *psta;
+
+ int bmcst = IS_MCAST(pattrib->ra);
+
+
+ if (pattrib->psta) {
+ psta = pattrib->psta;
+ } else {
+ if (bmcst) {
+ psta = rtw_get_bcmc_stainfo(padapter);
+ } else {
+ psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
+ }
+ }
+
+ memset(hdr, 0, WLANHDR_OFFSET);
+
+ SetFrameSubType(fctrl, pattrib->subtype);
+
+ if (pattrib->subtype & WIFI_DATA_TYPE) {
+ if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true)) {
+ /* to_ds = 1, fr_ds = 0; */
+ /* Data transfer to AP */
+ SetToDs(fctrl);
+ memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN);
+ memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
+ memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN);
+
+ if (pqospriv->qos_option)
+ qos_option = true;
+ } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
+ /* to_ds = 0, fr_ds = 1; */
+ SetFrDs(fctrl);
+ memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
+ memcpy(pwlanhdr->addr2, get_bssid(pmlmepriv), ETH_ALEN);
+ memcpy(pwlanhdr->addr3, pattrib->src, ETH_ALEN);
+
+ if (psta->qos_option)
+ qos_option = true;
+ } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
+ check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
+ memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
+ memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
+ memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN);
+
+ if (psta->qos_option)
+ qos_option = true;
+ } else {
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("fw_state:%x is not allowed to xmit frame\n", get_fwstate(pmlmepriv)));
+ res = _FAIL;
+ goto exit;
+ }
+
+ if (pattrib->mdata)
+ SetMData(fctrl);
+
+ if (pattrib->encrypt)
+ SetPrivacy(fctrl);
+
+ if (qos_option) {
+ qc = (unsigned short *)(hdr + pattrib->hdrlen - 2);
+
+ if (pattrib->priority)
+ SetPriority(qc, pattrib->priority);
+
+ SetEOSP(qc, pattrib->eosp);
+
+ SetAckpolicy(qc, pattrib->ack_policy);
+ }
+
+ /* TODO: fill HT Control Field */
+
+ /* Update Seq Num will be handled by f/w */
+ if (psta) {
+ psta->sta_xmitpriv.txseq_tid[pattrib->priority]++;
+ psta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF;
+
+ pattrib->seqnum = psta->sta_xmitpriv.txseq_tid[pattrib->priority];
+
+ SetSeqNum(hdr, pattrib->seqnum);
+
+ /* check if enable ampdu */
+ if (pattrib->ht_en && psta->htpriv.ampdu_enable) {
+ if (psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority))
+ pattrib->ampdu_en = true;
+ }
+
+ /* re-check if enable ampdu by BA_starting_seqctrl */
+ if (pattrib->ampdu_en) {
+ u16 tx_seq;
+
+ tx_seq = psta->BA_starting_seqctrl[pattrib->priority & 0x0f];
+
+ /* check BA_starting_seqctrl */
+ if (SN_LESS(pattrib->seqnum, tx_seq)) {
+ pattrib->ampdu_en = false;/* AGG BK */
+ } else if (SN_EQUAL(pattrib->seqnum, tx_seq)) {
+ psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (tx_seq+1)&0xfff;
+
+ pattrib->ampdu_en = true;/* AGG EN */
+ } else {
+ psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (pattrib->seqnum+1)&0xfff;
+ pattrib->ampdu_en = true;/* AGG EN */
+ }
+ }
+ }
+ }
+exit:
+
+ return res;
+}
+
+s32 rtw_txframes_pending(struct adapter *padapter)
+{
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+
+ return (!list_empty(&pxmitpriv->be_pending.queue) ||
+ !list_empty(&pxmitpriv->bk_pending.queue) ||
+ !list_empty(&pxmitpriv->vi_pending.queue) ||
+ !list_empty(&pxmitpriv->vo_pending.queue));
+}
+
+s32 rtw_txframes_sta_ac_pending(struct adapter *padapter, struct pkt_attrib *pattrib)
+{
+ struct sta_info *psta;
+ struct tx_servq *ptxservq;
+ int priority = pattrib->priority;
+
+ psta = pattrib->psta;
+
+ switch (priority) {
+ case 1:
+ case 2:
+ ptxservq = &(psta->sta_xmitpriv.bk_q);
+ break;
+ case 4:
+ case 5:
+ ptxservq = &(psta->sta_xmitpriv.vi_q);
+ break;
+ case 6:
+ case 7:
+ ptxservq = &(psta->sta_xmitpriv.vo_q);
+ break;
+ case 0:
+ case 3:
+ default:
+ ptxservq = &(psta->sta_xmitpriv.be_q);
+ break;
+ }
+
+ return ptxservq->qcnt;
+}
+
+/*
+ * Calculate wlan 802.11 packet MAX size from pkt_attrib
+ * This function doesn't consider fragment case
+ */
+u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib)
+{
+ u32 len = 0;
+
+ len = pattrib->hdrlen + pattrib->iv_len; /* WLAN Header and IV */
+ len += SNAP_SIZE + sizeof(u16); /* LLC */
+ len += pattrib->pktlen;
+ if (pattrib->encrypt == _TKIP_)
+ len += 8; /* MIC */
+ len += ((pattrib->bswenc) ? pattrib->icv_len : 0); /* ICV */
+
+ return len;
+}
+
+/*
+
+This sub-routine will perform all the following:
+
+1. remove 802.3 header.
+2. create wlan_header, based on the info in pxmitframe
+3. append sta's iv/ext-iv
+4. append LLC
+5. move frag chunk from pframe to pxmitframe->mem
+6. apply sw-encrypt, if necessary.
+
+*/
+s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, struct xmit_frame *pxmitframe)
+{
+ struct pkt_file pktfile;
+ s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz;
+ size_t addr;
+ u8 *pframe, *mem_start;
+ u8 hw_hdr_offset;
+ struct sta_info *psta;
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+ struct pkt_attrib *pattrib = &pxmitframe->attrib;
+ u8 *pbuf_start;
+ s32 bmcst = IS_MCAST(pattrib->ra);
+ s32 res = _SUCCESS;
+
+
+ psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
+
+ if (psta == NULL)
+ return _FAIL;
+
+ if (pxmitframe->buf_addr == NULL) {
+ DBG_88E("==> %s buf_addr == NULL\n", __func__);
+ return _FAIL;
+ }
+
+ pbuf_start = pxmitframe->buf_addr;
+
+ hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);
+
+ mem_start = pbuf_start + hw_hdr_offset;
+
+ if (rtw_make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) {
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n"));
+ DBG_88E("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n");
+ res = _FAIL;
+ goto exit;
+ }
+
+ _rtw_open_pktfile(pkt, &pktfile);
+ _rtw_pktfile_read(&pktfile, NULL, pattrib->pkt_hdrlen);
+
+ frg_inx = 0;
+ frg_len = pxmitpriv->frag_len - 4;/* 2346-4 = 2342 */
+
+ while (1) {
+ llc_sz = 0;
+
+ mpdu_len = frg_len;
+
+ pframe = mem_start;
+
+ SetMFrag(mem_start);
+
+ pframe += pattrib->hdrlen;
+ mpdu_len -= pattrib->hdrlen;
+
+ /* adding icv, if necessary... */
+ if (pattrib->iv_len) {
+ switch (pattrib->encrypt) {
+ case _WEP40_:
+ case _WEP104_:
+ WEP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
+ break;
+ case _TKIP_:
+ if (bmcst)
+ TKIP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
+ else
+ TKIP_IV(pattrib->iv, psta->dot11txpn, 0);
+ break;
+ case _AES_:
+ if (bmcst)
+ AES_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
+ else
+ AES_IV(pattrib->iv, psta->dot11txpn, 0);
+ break;
+ }
+
+ memcpy(pframe, pattrib->iv, pattrib->iv_len);
+
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_,
+ ("rtw_xmitframe_coalesce: keyid=%d pattrib->iv[3]=%.2x pframe=%.2x %.2x %.2x %.2x\n",
+ padapter->securitypriv.dot11PrivacyKeyIndex, pattrib->iv[3], *pframe, *(pframe+1), *(pframe+2), *(pframe+3)));
+
+ pframe += pattrib->iv_len;
+
+ mpdu_len -= pattrib->iv_len;
+ }
+
+ if (frg_inx == 0) {
+ llc_sz = rtw_put_snap(pframe, pattrib->ether_type);
+ pframe += llc_sz;
+ mpdu_len -= llc_sz;
+ }
+
+ if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
+ mpdu_len -= pattrib->icv_len;
+ }
+
+ if (bmcst) {
+ /* don't do fragment to broadcat/multicast packets */
+ mem_sz = _rtw_pktfile_read(&pktfile, pframe, pattrib->pktlen);
+ } else {
+ mem_sz = _rtw_pktfile_read(&pktfile, pframe, mpdu_len);
+ }
+
+ pframe += mem_sz;
+
+ if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
+ memcpy(pframe, pattrib->icv, pattrib->icv_len);
+ pframe += pattrib->icv_len;
+ }
+
+ frg_inx++;
+
+ if (bmcst || rtw_endofpktfile(&pktfile)) {
+ pattrib->nr_frags = frg_inx;
+
+ pattrib->last_txcmdsz = pattrib->hdrlen + pattrib->iv_len + ((pattrib->nr_frags == 1) ? llc_sz : 0) +
+ ((pattrib->bswenc) ? pattrib->icv_len : 0) + mem_sz;
+
+ ClearMFrag(mem_start);
+
+ break;
+ } else {
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: There're still something in packet!\n", __func__));
+ }
+
+ addr = (size_t)(pframe);
+
+ mem_start = (unsigned char *)round_up(addr, 4) + hw_hdr_offset;
+ memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen);
+ }
+
+ if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) {
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n"));
+ DBG_88E("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n");
+ res = _FAIL;
+ goto exit;
+ }
+
+ xmitframe_swencrypt(padapter, pxmitframe);
+
+ if (!bmcst)
+ update_attrib_vcs_info(padapter, pxmitframe);
+ else
+ pattrib->vcs_mode = NONE_VCS;
+
+exit:
+
+
+ return res;
+}
+
+/* Logical Link Control(LLC) SubNetwork Attachment Point(SNAP) header
+ * IEEE LLC/SNAP header contains 8 octets
+ * First 3 octets comprise the LLC portion
+ * SNAP portion, 5 octets, is divided into two fields:
+ * Organizationally Unique Identifier(OUI), 3 octets,
+ * type, defined by that organization, 2 octets.
+ */
+s32 rtw_put_snap(u8 *data, u16 h_proto)
+{
+ struct ieee80211_snap_hdr *snap;
+ u8 *oui;
+
+
+ snap = (struct ieee80211_snap_hdr *)data;
+ snap->dsap = 0xaa;
+ snap->ssap = 0xaa;
+ snap->ctrl = 0x03;
+
+ if (h_proto == 0x8137 || h_proto == 0x80f3)
+ oui = P802_1H_OUI;
+ else
+ oui = RFC1042_OUI;
+
+ snap->oui[0] = oui[0];
+ snap->oui[1] = oui[1];
+ snap->oui[2] = oui[2];
+
+ *(__be16 *)(data + SNAP_SIZE) = htons(h_proto);
+
+
+ return SNAP_SIZE + sizeof(u16);
+}
+
+void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len)
+{
+ uint protection;
+ u8 *perp;
+ int erp_len;
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+ struct registry_priv *pregistrypriv = &padapter->registrypriv;
+
+
+ switch (pxmitpriv->vcs_setting) {
+ case DISABLE_VCS:
+ pxmitpriv->vcs = NONE_VCS;
+ break;
+ case ENABLE_VCS:
+ break;
+ case AUTO_VCS:
+ default:
+ perp = rtw_get_ie(ie, _ERPINFO_IE_, &erp_len, ie_len);
+ if (perp == NULL) {
+ pxmitpriv->vcs = NONE_VCS;
+ } else {
+ protection = (*(perp + 2)) & BIT(1);
+ if (protection) {
+ if (pregistrypriv->vcs_type == RTS_CTS)
+ pxmitpriv->vcs = RTS_CTS;
+ else
+ pxmitpriv->vcs = CTS_TO_SELF;
+ } else {
+ pxmitpriv->vcs = NONE_VCS;
+ }
+ }
+ break;
+ }
+
+}
+
+void rtw_count_tx_stats(struct adapter *padapter, struct xmit_frame *pxmitframe, int sz)
+{
+ struct sta_info *psta = NULL;
+ struct stainfo_stats *pstats = NULL;
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+
+ if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) {
+ pxmitpriv->tx_bytes += sz;
+ pmlmepriv->LinkDetectInfo.NumTxOkInPeriod += pxmitframe->agg_num;
+
+ psta = pxmitframe->attrib.psta;
+ if (psta) {
+ pstats = &psta->sta_stats;
+ pstats->tx_pkts += pxmitframe->agg_num;
+ pstats->tx_bytes += sz;
+ }
+ }
+}
+
+struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv)
+{
+ unsigned long irql;
+ struct xmit_buf *pxmitbuf = NULL;
+ struct list_head *plist, *phead;
+ struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
+
+
+ spin_lock_irqsave(&pfree_queue->lock, irql);
+
+ if (list_empty(&pfree_queue->queue)) {
+ pxmitbuf = NULL;
+ } else {
+ phead = get_list_head(pfree_queue);
+
+ plist = phead->next;
+
+ pxmitbuf = container_of(plist, struct xmit_buf, list);
+
+ list_del_init(&(pxmitbuf->list));
+ }
+
+ if (pxmitbuf != NULL) {
+ pxmitpriv->free_xmit_extbuf_cnt--;
+
+ pxmitbuf->priv_data = NULL;
+ /* pxmitbuf->ext_tag = true; */
+
+ if (pxmitbuf->sctx) {
+ DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
+ rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
+ }
+ }
+
+ spin_unlock_irqrestore(&pfree_queue->lock, irql);
+
+
+ return pxmitbuf;
+}
+
+s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
+{
+ unsigned long irql;
+ struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
+
+
+ if (pxmitbuf == NULL)
+ return _FAIL;
+
+ spin_lock_irqsave(&pfree_queue->lock, irql);
+
+ list_del_init(&pxmitbuf->list);
+
+ list_add_tail(&(pxmitbuf->list), get_list_head(pfree_queue));
+ pxmitpriv->free_xmit_extbuf_cnt++;
+
+ spin_unlock_irqrestore(&pfree_queue->lock, irql);
+
+
+ return _SUCCESS;
+}
+
+struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv)
+{
+ unsigned long irql;
+ struct xmit_buf *pxmitbuf = NULL;
+ struct list_head *plist, *phead;
+ struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
+
+
+ /* DBG_88E("+rtw_alloc_xmitbuf\n"); */
+
+ spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irql);
+
+ if (list_empty(&pfree_xmitbuf_queue->queue)) {
+ pxmitbuf = NULL;
+ } else {
+ phead = get_list_head(pfree_xmitbuf_queue);
+
+ plist = phead->next;
+
+ pxmitbuf = container_of(plist, struct xmit_buf, list);
+
+ list_del_init(&(pxmitbuf->list));
+ }
+
+ if (pxmitbuf != NULL) {
+ pxmitpriv->free_xmitbuf_cnt--;
+ pxmitbuf->priv_data = NULL;
+ if (pxmitbuf->sctx) {
+ DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
+ rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
+ }
+ }
+ spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irql);
+
+
+ return pxmitbuf;
+}
+
+s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
+{
+ unsigned long irql;
+ struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
+
+ if (pxmitbuf == NULL)
+ return _FAIL;
+
+ if (pxmitbuf->sctx) {
+ DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
+ rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE);
+ }
+
+ if (pxmitbuf->ext_tag) {
+ rtw_free_xmitbuf_ext(pxmitpriv, pxmitbuf);
+ } else {
+ spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irql);
+
+ list_del_init(&pxmitbuf->list);
+
+ list_add_tail(&(pxmitbuf->list), get_list_head(pfree_xmitbuf_queue));
+
+ pxmitpriv->free_xmitbuf_cnt++;
+ spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irql);
+ }
+
+
+ return _SUCCESS;
+}
+
+/*
+Calling context:
+1. OS_TXENTRY
+2. RXENTRY (rx_thread or RX_ISR/RX_CallBack)
+
+If we turn on USE_RXTHREAD, then, no need for critical section.
+Otherwise, we must use _enter/_exit critical to protect free_xmit_queue...
+
+Must be very very cautious...
+
+*/
+
+struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv)/* _queue *pfree_xmit_queue) */
+{
+ /*
+ Please remember to use all the osdep_service api,
+ and lock/unlock or _enter/_exit critical to protect
+ pfree_xmit_queue
+ */
+
+ struct xmit_frame *pxframe = NULL;
+ struct list_head *plist, *phead;
+ struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
+
+
+ spin_lock_bh(&pfree_xmit_queue->lock);
+
+ if (list_empty(&pfree_xmit_queue->queue)) {
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe:%d\n", pxmitpriv->free_xmitframe_cnt));
+ pxframe = NULL;
+ } else {
+ phead = get_list_head(pfree_xmit_queue);
+
+ plist = phead->next;
+
+ pxframe = container_of(plist, struct xmit_frame, list);
+
+ list_del_init(&(pxframe->list));
+ }
+
+ if (pxframe != NULL) { /* default value setting */
+ pxmitpriv->free_xmitframe_cnt--;
+
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt));
+
+ pxframe->buf_addr = NULL;
+ pxframe->pxmitbuf = NULL;
+
+ memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib));
+ /* pxframe->attrib.psta = NULL; */
+
+ pxframe->frame_tag = DATA_FRAMETAG;
+
+ pxframe->pkt = NULL;
+ pxframe->pkt_offset = 1;/* default use pkt_offset to fill tx desc */
+
+ pxframe->agg_num = 1;
+ pxframe->ack_report = 0;
+ }
+
+ spin_unlock_bh(&pfree_xmit_queue->lock);
+
+
+ return pxframe;
+}
+
+s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe)
+{
+ struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
+ struct adapter *padapter = pxmitpriv->adapter;
+ struct sk_buff *pndis_pkt = NULL;
+
+
+ if (pxmitframe == NULL) {
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====== rtw_free_xmitframe():pxmitframe == NULL!!!!!!!!!!\n"));
+ goto exit;
+ }
+
+ spin_lock_bh(&pfree_xmit_queue->lock);
+
+ list_del_init(&pxmitframe->list);
+
+ if (pxmitframe->pkt) {
+ pndis_pkt = pxmitframe->pkt;
+ pxmitframe->pkt = NULL;
+ }
+
+ list_add_tail(&pxmitframe->list, get_list_head(pfree_xmit_queue));
+
+ pxmitpriv->free_xmitframe_cnt++;
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt));
+
+ spin_unlock_bh(&pfree_xmit_queue->lock);
+
+ if (pndis_pkt)
+ rtw_os_pkt_complete(padapter, pndis_pkt);
+
+exit:
+
+
+ return _SUCCESS;
+}
+
+void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pframequeue)
+{
+ struct list_head *plist, *phead;
+ struct xmit_frame *pxmitframe;
+
+
+ spin_lock_bh(&(pframequeue->lock));
+
+ phead = get_list_head(pframequeue);
+ plist = phead->next;
+
+ while (phead != plist) {
+ pxmitframe = container_of(plist, struct xmit_frame, list);
+
+ plist = plist->next;
+
+ rtw_free_xmitframe(pxmitpriv, pxmitframe);
+ }
+ spin_unlock_bh(&(pframequeue->lock));
+
+}
+
+s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitframe)
+{
+ if (rtw_xmit_classifier(padapter, pxmitframe) == _FAIL) {
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
+ ("rtw_xmitframe_enqueue: drop xmit pkt for classifier fail\n"));
+/* pxmitframe->pkt = NULL; */
+ return _FAIL;
+ }
+
+ return _SUCCESS;
+}
+
+static struct xmit_frame *dequeue_one_xmitframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit, struct tx_servq *ptxservq, struct __queue *pframe_queue)
+{
+ struct list_head *xmitframe_plist, *xmitframe_phead;
+ struct xmit_frame *pxmitframe = NULL;
+
+ xmitframe_phead = get_list_head(pframe_queue);
+ xmitframe_plist = xmitframe_phead->next;
+
+ if (xmitframe_phead != xmitframe_plist) {
+ pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
+
+ xmitframe_plist = xmitframe_plist->next;
+
+ list_del_init(&pxmitframe->list);
+
+ ptxservq->qcnt--;
+ }
+ return pxmitframe;
+}
+
+struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit_i, int entry)
+{
+ struct list_head *sta_plist, *sta_phead;
+ struct hw_xmit *phwxmit;
+ struct tx_servq *ptxservq = NULL;
+ struct __queue *pframe_queue = NULL;
+ struct xmit_frame *pxmitframe = NULL;
+ struct adapter *padapter = pxmitpriv->adapter;
+ struct registry_priv *pregpriv = &padapter->registrypriv;
+ int i, inx[4];
+
+
+ inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
+
+ if (pregpriv->wifi_spec == 1) {
+ int j;
+
+ for (j = 0; j < 4; j++)
+ inx[j] = pxmitpriv->wmm_para_seq[j];
+ }
+
+ spin_lock_bh(&pxmitpriv->lock);
+
+ for (i = 0; i < entry; i++) {
+ phwxmit = phwxmit_i + inx[i];
+
+ sta_phead = get_list_head(phwxmit->sta_queue);
+ sta_plist = sta_phead->next;
+
+ while (sta_phead != sta_plist) {
+ ptxservq = container_of(sta_plist, struct tx_servq, tx_pending);
+
+ pframe_queue = &ptxservq->sta_pending;
+
+ pxmitframe = dequeue_one_xmitframe(pxmitpriv, phwxmit, ptxservq, pframe_queue);
+
+ if (pxmitframe) {
+ phwxmit->accnt--;
+
+ /* Remove sta node when there are no pending packets. */
+ if (list_empty(&pframe_queue->queue)) /* must be done after get_next and before break */
+ list_del_init(&ptxservq->tx_pending);
+ goto exit;
+ }
+
+ sta_plist = sta_plist->next;
+ }
+ }
+exit:
+ spin_unlock_bh(&pxmitpriv->lock);
+ return pxmitframe;
+}
+
+struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *psta, int up, u8 *ac)
+{
+ struct tx_servq *ptxservq;
+
+ switch (up) {
+ case 1:
+ case 2:
+ ptxservq = &(psta->sta_xmitpriv.bk_q);
+ *(ac) = 3;
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BK\n"));
+ break;
+ case 4:
+ case 5:
+ ptxservq = &(psta->sta_xmitpriv.vi_q);
+ *(ac) = 1;
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VI\n"));
+ break;
+ case 6:
+ case 7:
+ ptxservq = &(psta->sta_xmitpriv.vo_q);
+ *(ac) = 0;
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VO\n"));
+ break;
+ case 0:
+ case 3:
+ default:
+ ptxservq = &(psta->sta_xmitpriv.be_q);
+ *(ac) = 2;
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BE\n"));
+ break;
+ }
+
+
+ return ptxservq;
+}
+
+/*
+ * Will enqueue pxmitframe to the proper queue,
+ * and indicate it to xx_pending list.....
+ */
+s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe)
+{
+ u8 ac_index;
+ struct sta_info *psta;
+ struct tx_servq *ptxservq;
+ struct pkt_attrib *pattrib = &pxmitframe->attrib;
+ struct sta_priv *pstapriv = &padapter->stapriv;
+ struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
+ int res = _SUCCESS;
+
+
+ if (pattrib->psta) {
+ psta = pattrib->psta;
+ } else {
+ psta = rtw_get_stainfo(pstapriv, pattrib->ra);
+ }
+
+ if (psta == NULL) {
+ res = _FAIL;
+ DBG_88E("rtw_xmit_classifier: psta == NULL\n");
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmit_classifier: psta == NULL\n"));
+ goto exit;
+ }
+
+ ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
+
+ if (list_empty(&ptxservq->tx_pending))
+ list_add_tail(&ptxservq->tx_pending, get_list_head(phwxmits[ac_index].sta_queue));
+
+ list_add_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending));
+ ptxservq->qcnt++;
+ phwxmits[ac_index].accnt++;
+exit:
+
+
+ return res;
+}
+
+void rtw_alloc_hwxmits(struct adapter *padapter)
+{
+ struct hw_xmit *hwxmits;
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+
+ pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;
+
+ pxmitpriv->hwxmits = kcalloc(pxmitpriv->hwxmit_entry,
+ sizeof(struct hw_xmit), GFP_KERNEL);
+
+ hwxmits = pxmitpriv->hwxmits;
+
+ hwxmits[0] .sta_queue = &pxmitpriv->vo_pending;
+ hwxmits[1] .sta_queue = &pxmitpriv->vi_pending;
+ hwxmits[2] .sta_queue = &pxmitpriv->be_pending;
+ hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
+}
+
+void rtw_free_hwxmits(struct adapter *padapter)
+{
+ struct hw_xmit *hwxmits;
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+
+ hwxmits = pxmitpriv->hwxmits;
+ kfree(hwxmits);
+}
+
+void rtw_init_hwxmits(struct hw_xmit *phwxmit, int entry)
+{
+ int i;
+ for (i = 0; i < entry; i++, phwxmit++)
+ phwxmit->accnt = 0;
+}
+
+u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe)
+{
+ u32 addr;
+ struct pkt_attrib *pattrib = &pxmitframe->attrib;
+
+ switch (pattrib->qsel) {
+ case 0:
+ case 3:
+ addr = BE_QUEUE_INX;
+ break;
+ case 1:
+ case 2:
+ addr = BK_QUEUE_INX;
+ break;
+ case 4:
+ case 5:
+ addr = VI_QUEUE_INX;
+ break;
+ case 6:
+ case 7:
+ addr = VO_QUEUE_INX;
+ break;
+ case 0x10:
+ addr = BCN_QUEUE_INX;
+ break;
+ case 0x11:/* BC/MC in PS (HIQ) */
+ addr = HIGH_QUEUE_INX;
+ break;
+ case 0x12:
+ default:
+ addr = MGT_QUEUE_INX;
+ break;
+ }
+
+ return addr;
+}
+
+static void do_queue_select(struct adapter *padapter, struct pkt_attrib *pattrib)
+{
+ u8 qsel;
+
+ qsel = pattrib->priority;
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("### do_queue_select priority=%d , qsel = %d\n", pattrib->priority , qsel));
+
+ pattrib->qsel = qsel;
+}
+
+/*
+ * The main transmit(tx) entry
+ *
+ * Return
+ * 1 enqueue
+ * 0 success, hardware will handle this xmit frame(packet)
+ * <0 fail
+ */
+s32 rtw_xmit(struct adapter *padapter, struct sk_buff **ppkt)
+{
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+ struct xmit_frame *pxmitframe = NULL;
+ s32 res;
+
+ pxmitframe = rtw_alloc_xmitframe(pxmitpriv);
+ if (pxmitframe == NULL) {
+ RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: no more pxmitframe\n"));
+ DBG_88E("DBG_TX_DROP_FRAME %s no more pxmitframe\n", __func__);
+ return -1;
+ }
+
+ res = update_attrib(padapter, *ppkt, &pxmitframe->attrib);
+
+ if (res == _FAIL) {
+ RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: update attrib fail\n"));
+ rtw_free_xmitframe(pxmitpriv, pxmitframe);
+ return -1;
+ }
+ pxmitframe->pkt = *ppkt;
+
+ rtw_led_control(padapter, LED_CTL_TX);
+
+ do_queue_select(padapter, &pxmitframe->attrib);
+
+#ifdef CONFIG_88EU_AP_MODE
+ spin_lock_bh(&pxmitpriv->lock);
+ if (xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe)) {
+ spin_unlock_bh(&pxmitpriv->lock);
+ return 1;
+ }
+ spin_unlock_bh(&pxmitpriv->lock);
+#endif
+
+ if (rtw_hal_xmit(padapter, pxmitframe) == false)
+ return 1;
+
+ return 0;
+}
+
+#if defined(CONFIG_88EU_AP_MODE)
+
+int xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe)
+{
+ int ret = false;
+ struct sta_info *psta = NULL;
+ struct sta_priv *pstapriv = &padapter->stapriv;
+ struct pkt_attrib *pattrib = &pxmitframe->attrib;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ int bmcst = IS_MCAST(pattrib->ra);
+
+ if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == false)
+ return ret;
+
+ if (pattrib->psta)
+ psta = pattrib->psta;
+ else
+ psta = rtw_get_stainfo(pstapriv, pattrib->ra);
+
+ if (psta == NULL)
+ return ret;
+
+ if (pattrib->triggered == 1) {
+ if (bmcst)
+ pattrib->qsel = 0x11;/* HIQ */
+ return ret;
+ }
+
+ if (bmcst) {
+ spin_lock_bh(&psta->sleep_q.lock);
+
+ if (pstapriv->sta_dz_bitmap) {/* if any one sta is in ps mode */
+ list_del_init(&pxmitframe->list);
+
+ list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
+
+ psta->sleepq_len++;
+
+ pstapriv->tim_bitmap |= BIT(0);/* */
+ pstapriv->sta_dz_bitmap |= BIT(0);
+
+ update_beacon(padapter, _TIM_IE_, NULL, false);/* tx bc/mc packets after update bcn */
+
+ ret = true;
+ }
+
+ spin_unlock_bh(&psta->sleep_q.lock);
+
+ return ret;
+ }
+
+ spin_lock_bh(&psta->sleep_q.lock);
+
+ if (psta->state&WIFI_SLEEP_STATE) {
+ u8 wmmps_ac = 0;
+
+ if (pstapriv->sta_dz_bitmap&BIT(psta->aid)) {
+ list_del_init(&pxmitframe->list);
+
+ list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
+
+ psta->sleepq_len++;
+
+ switch (pattrib->priority) {
+ case 1:
+ case 2:
+ wmmps_ac = psta->uapsd_bk&BIT(0);
+ break;
+ case 4:
+ case 5:
+ wmmps_ac = psta->uapsd_vi&BIT(0);
+ break;
+ case 6:
+ case 7:
+ wmmps_ac = psta->uapsd_vo&BIT(0);
+ break;
+ case 0:
+ case 3:
+ default:
+ wmmps_ac = psta->uapsd_be&BIT(0);
+ break;
+ }
+
+ if (wmmps_ac)
+ psta->sleepq_ac_len++;
+
+ if (((psta->has_legacy_ac) && (!wmmps_ac)) ||
+ ((!psta->has_legacy_ac) && (wmmps_ac))) {
+ pstapriv->tim_bitmap |= BIT(psta->aid);
+
+ if (psta->sleepq_len == 1) {
+ /* update BCN for TIM IE */
+ update_beacon(padapter, _TIM_IE_, NULL, false);
+ }
+ }
+ ret = true;
+ }
+ }
+
+ spin_unlock_bh(&psta->sleep_q.lock);
+
+ return ret;
+}
+
+static void dequeue_xmitframes_to_sleeping_queue(struct adapter *padapter, struct sta_info *psta, struct __queue *pframequeue)
+{
+ struct list_head *plist, *phead;
+ u8 ac_index;
+ struct tx_servq *ptxservq;
+ struct pkt_attrib *pattrib;
+ struct xmit_frame *pxmitframe;
+ struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
+
+ phead = get_list_head(pframequeue);
+ plist = phead->next;
+
+ while (phead != plist) {
+ pxmitframe = container_of(plist, struct xmit_frame, list);
+
+ plist = plist->next;
+
+ xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe);
+
+ pattrib = &pxmitframe->attrib;
+
+ ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
+
+ ptxservq->qcnt--;
+ phwxmits[ac_index].accnt--;
+ }
+}
+
+void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta)
+{
+ struct sta_info *psta_bmc;
+ struct sta_xmit_priv *pstaxmitpriv;
+ struct sta_priv *pstapriv = &padapter->stapriv;
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+
+ pstaxmitpriv = &psta->sta_xmitpriv;
+
+ /* for BC/MC Frames */
+ psta_bmc = rtw_get_bcmc_stainfo(padapter);
+
+ spin_lock_bh(&pxmitpriv->lock);
+
+ psta->state |= WIFI_SLEEP_STATE;
+
+ pstapriv->sta_dz_bitmap |= BIT(psta->aid);
+
+ dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vo_q.sta_pending);
+ list_del_init(&(pstaxmitpriv->vo_q.tx_pending));
+
+ dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending);
+ list_del_init(&(pstaxmitpriv->vi_q.tx_pending));
+
+ dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->be_q.sta_pending);
+ list_del_init(&(pstaxmitpriv->be_q.tx_pending));
+
+ dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->bk_q.sta_pending);
+ list_del_init(&(pstaxmitpriv->bk_q.tx_pending));
+
+ /* for BC/MC Frames */
+ pstaxmitpriv = &psta_bmc->sta_xmitpriv;
+ dequeue_xmitframes_to_sleeping_queue(padapter, psta_bmc, &pstaxmitpriv->be_q.sta_pending);
+ list_del_init(&(pstaxmitpriv->be_q.tx_pending));
+
+ spin_unlock_bh(&pxmitpriv->lock);
+}
+
+void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta)
+{
+ u8 update_mask = 0, wmmps_ac = 0;
+ struct sta_info *psta_bmc;
+ struct list_head *xmitframe_plist, *xmitframe_phead;
+ struct xmit_frame *pxmitframe = NULL;
+ struct sta_priv *pstapriv = &padapter->stapriv;
+
+ spin_lock_bh(&psta->sleep_q.lock);
+
+ xmitframe_phead = get_list_head(&psta->sleep_q);
+ xmitframe_plist = xmitframe_phead->next;
+
+ while (xmitframe_phead != xmitframe_plist) {
+ pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
+
+ xmitframe_plist = xmitframe_plist->next;
+
+ list_del_init(&pxmitframe->list);
+
+ switch (pxmitframe->attrib.priority) {
+ case 1:
+ case 2:
+ wmmps_ac = psta->uapsd_bk&BIT(1);
+ break;
+ case 4:
+ case 5:
+ wmmps_ac = psta->uapsd_vi&BIT(1);
+ break;
+ case 6:
+ case 7:
+ wmmps_ac = psta->uapsd_vo&BIT(1);
+ break;
+ case 0:
+ case 3:
+ default:
+ wmmps_ac = psta->uapsd_be&BIT(1);
+ break;
+ }
+
+ psta->sleepq_len--;
+ if (psta->sleepq_len > 0)
+ pxmitframe->attrib.mdata = 1;
+ else
+ pxmitframe->attrib.mdata = 0;
+
+ if (wmmps_ac) {
+ psta->sleepq_ac_len--;
+ if (psta->sleepq_ac_len > 0) {
+ pxmitframe->attrib.mdata = 1;
+ pxmitframe->attrib.eosp = 0;
+ } else {
+ pxmitframe->attrib.mdata = 0;
+ pxmitframe->attrib.eosp = 1;
+ }
+ }
+
+ pxmitframe->attrib.triggered = 1;
+
+ spin_unlock_bh(&psta->sleep_q.lock);
+ if (rtw_hal_xmit(padapter, pxmitframe))
+ rtw_os_xmit_complete(padapter, pxmitframe);
+ spin_lock_bh(&psta->sleep_q.lock);
+ }
+
+ if (psta->sleepq_len == 0) {
+ pstapriv->tim_bitmap &= ~BIT(psta->aid);
+
+ update_mask = BIT(0);
+
+ if (psta->state&WIFI_SLEEP_STATE)
+ psta->state ^= WIFI_SLEEP_STATE;
+
+ if (psta->state & WIFI_STA_ALIVE_CHK_STATE) {
+ psta->expire_to = pstapriv->expire_to;
+ psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
+ }
+
+ pstapriv->sta_dz_bitmap &= ~BIT(psta->aid);
+ }
+
+ spin_unlock_bh(&psta->sleep_q.lock);
+
+ /* for BC/MC Frames */
+ psta_bmc = rtw_get_bcmc_stainfo(padapter);
+ if (!psta_bmc)
+ return;
+
+ if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0) { /* no any sta in ps mode */
+ spin_lock_bh(&psta_bmc->sleep_q.lock);
+
+ xmitframe_phead = get_list_head(&psta_bmc->sleep_q);
+ xmitframe_plist = xmitframe_phead->next;
+
+ while (xmitframe_phead != xmitframe_plist) {
+ pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
+
+ xmitframe_plist = xmitframe_plist->next;
+
+ list_del_init(&pxmitframe->list);
+
+ psta_bmc->sleepq_len--;
+ if (psta_bmc->sleepq_len > 0)
+ pxmitframe->attrib.mdata = 1;
+ else
+ pxmitframe->attrib.mdata = 0;
+
+ pxmitframe->attrib.triggered = 1;
+
+ spin_unlock_bh(&psta_bmc->sleep_q.lock);
+ if (rtw_hal_xmit(padapter, pxmitframe))
+ rtw_os_xmit_complete(padapter, pxmitframe);
+ spin_lock_bh(&psta_bmc->sleep_q.lock);
+ }
+
+ if (psta_bmc->sleepq_len == 0) {
+ pstapriv->tim_bitmap &= ~BIT(0);
+ pstapriv->sta_dz_bitmap &= ~BIT(0);
+
+ update_mask |= BIT(1);
+ }
+
+ spin_unlock_bh(&psta_bmc->sleep_q.lock);
+ }
+
+ if (update_mask)
+ update_beacon(padapter, _TIM_IE_, NULL, false);
+}
+
+void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta)
+{
+ u8 wmmps_ac = 0;
+ struct list_head *xmitframe_plist, *xmitframe_phead;
+ struct xmit_frame *pxmitframe = NULL;
+ struct sta_priv *pstapriv = &padapter->stapriv;
+
+ spin_lock_bh(&psta->sleep_q.lock);
+
+ xmitframe_phead = get_list_head(&psta->sleep_q);
+ xmitframe_plist = xmitframe_phead->next;
+
+ while (xmitframe_phead != xmitframe_plist) {
+ pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
+
+ xmitframe_plist = xmitframe_plist->next;
+
+ switch (pxmitframe->attrib.priority) {
+ case 1:
+ case 2:
+ wmmps_ac = psta->uapsd_bk&BIT(1);
+ break;
+ case 4:
+ case 5:
+ wmmps_ac = psta->uapsd_vi&BIT(1);
+ break;
+ case 6:
+ case 7:
+ wmmps_ac = psta->uapsd_vo&BIT(1);
+ break;
+ case 0:
+ case 3:
+ default:
+ wmmps_ac = psta->uapsd_be&BIT(1);
+ break;
+ }
+
+ if (!wmmps_ac)
+ continue;
+
+ list_del_init(&pxmitframe->list);
+
+ psta->sleepq_len--;
+ psta->sleepq_ac_len--;
+
+ if (psta->sleepq_ac_len > 0) {
+ pxmitframe->attrib.mdata = 1;
+ pxmitframe->attrib.eosp = 0;
+ } else {
+ pxmitframe->attrib.mdata = 0;
+ pxmitframe->attrib.eosp = 1;
+ }
+
+ pxmitframe->attrib.triggered = 1;
+
+ if (rtw_hal_xmit(padapter, pxmitframe) == true)
+ rtw_os_xmit_complete(padapter, pxmitframe);
+
+ if ((psta->sleepq_ac_len == 0) && (!psta->has_legacy_ac) && (wmmps_ac)) {
+ pstapriv->tim_bitmap &= ~BIT(psta->aid);
+
+ /* update BCN for TIM IE */
+ update_beacon(padapter, _TIM_IE_, NULL, false);
+ }
+ }
+
+ spin_unlock_bh(&psta->sleep_q.lock);
+}
+
+#endif
+
+void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms)
+{
+ sctx->timeout_ms = timeout_ms;
+ sctx->submit_time = jiffies;
+ init_completion(&sctx->done);
+ sctx->status = RTW_SCTX_SUBMITTED;
+}
+
+int rtw_sctx_wait(struct submit_ctx *sctx)
+{
+ int ret = _FAIL;
+ unsigned long expire;
+ int status = 0;
+
+ expire = sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) : MAX_SCHEDULE_TIMEOUT;
+ if (!wait_for_completion_timeout(&sctx->done, expire)) {
+ /* timeout, do something?? */
+ status = RTW_SCTX_DONE_TIMEOUT;
+ DBG_88E("%s timeout\n", __func__);
+ } else {
+ status = sctx->status;
+ }
+
+ if (status == RTW_SCTX_DONE_SUCCESS)
+ ret = _SUCCESS;
+
+ return ret;
+}
+
+static bool rtw_sctx_chk_waring_status(int status)
+{
+ switch (status) {
+ case RTW_SCTX_DONE_UNKNOWN:
+ case RTW_SCTX_DONE_BUF_ALLOC:
+ case RTW_SCTX_DONE_BUF_FREE:
+
+ case RTW_SCTX_DONE_DRV_STOP:
+ case RTW_SCTX_DONE_DEV_REMOVE:
+ return true;
+ default:
+ return false;
+ }
+}
+
+void rtw_sctx_done_err(struct submit_ctx **sctx, int status)
+{
+ if (*sctx) {
+ if (rtw_sctx_chk_waring_status(status))
+ DBG_88E("%s status:%d\n", __func__, status);
+ (*sctx)->status = status;
+ complete(&((*sctx)->done));
+ *sctx = NULL;
+ }
+}
+
+void rtw_sctx_done(struct submit_ctx **sctx)
+{
+ rtw_sctx_done_err(sctx, RTW_SCTX_DONE_SUCCESS);
+}
+
+int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms)
+{
+ struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
+
+ pack_tx_ops->submit_time = jiffies;
+ pack_tx_ops->timeout_ms = timeout_ms;
+ pack_tx_ops->status = RTW_SCTX_SUBMITTED;
+
+ return rtw_sctx_wait(pack_tx_ops);
+}
+
+void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status)
+{
+ struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
+
+ if (pxmitpriv->ack_tx)
+ rtw_sctx_done_err(&pack_tx_ops, status);
+ else
+ DBG_88E("%s ack_tx not set\n", __func__);
+}
Code Review / kvmfornfv.git / blobdiff