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Diffstat (limited to 'drivers/staging/rtl8723bs/core/rtw_xmit.c')
-rw-r--r--drivers/staging/rtl8723bs/core/rtw_xmit.c2563
1 files changed, 2563 insertions, 0 deletions
diff --git a/drivers/staging/rtl8723bs/core/rtw_xmit.c b/drivers/staging/rtl8723bs/core/rtw_xmit.c
new file mode 100644
index 000000000..a22512633
--- /dev/null
+++ b/drivers/staging/rtl8723bs/core/rtw_xmit.c
@@ -0,0 +1,2563 @@
+// SPDX-License-Identifier: GPL-2.0
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
+ *
+ ******************************************************************************/
+#include <drv_types.h>
+#include <rtw_debug.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);
+ INIT_LIST_HEAD(&ptxservq->sta_pending.queue);
+ spin_lock_init(&ptxservq->sta_pending.lock);
+ 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;
+ signed int res = _SUCCESS;
+
+ spin_lock_init(&pxmitpriv->lock);
+ spin_lock_init(&pxmitpriv->lock_sctx);
+ init_completion(&pxmitpriv->xmit_comp);
+ init_completion(&pxmitpriv->terminate_xmitthread_comp);
+
+ /*
+ * Please insert all the queue initializaiton using _rtw_init_queue below
+ */
+
+ pxmitpriv->adapter = padapter;
+
+ INIT_LIST_HEAD(&pxmitpriv->be_pending.queue);
+ spin_lock_init(&pxmitpriv->be_pending.lock);
+ INIT_LIST_HEAD(&pxmitpriv->bk_pending.queue);
+ spin_lock_init(&pxmitpriv->bk_pending.lock);
+ INIT_LIST_HEAD(&pxmitpriv->vi_pending.queue);
+ spin_lock_init(&pxmitpriv->vi_pending.lock);
+ INIT_LIST_HEAD(&pxmitpriv->vo_pending.queue);
+ spin_lock_init(&pxmitpriv->vo_pending.lock);
+ INIT_LIST_HEAD(&pxmitpriv->bm_pending.queue);
+ spin_lock_init(&pxmitpriv->bm_pending.lock);
+
+ INIT_LIST_HEAD(&pxmitpriv->free_xmit_queue.queue);
+ spin_lock_init(&pxmitpriv->free_xmit_queue.lock);
+
+ /*
+ * 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) {
+ pxmitpriv->pxmit_frame_buf = NULL;
+ res = _FAIL;
+ goto exit;
+ }
+ pxmitpriv->pxmit_frame_buf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_frame_buf), 4);
+
+ 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 */
+ INIT_LIST_HEAD(&pxmitpriv->free_xmitbuf_queue.queue);
+ spin_lock_init(&pxmitpriv->free_xmitbuf_queue.lock);
+ INIT_LIST_HEAD(&pxmitpriv->pending_xmitbuf_queue.queue);
+ spin_lock_init(&pxmitpriv->pending_xmitbuf_queue.lock);
+
+ pxmitpriv->pallocated_xmitbuf = vzalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4);
+
+ if (!pxmitpriv->pallocated_xmitbuf) {
+ res = _FAIL;
+ goto exit;
+ }
+
+ pxmitpriv->pxmitbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_xmitbuf), 4);
+
+ 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->buf_tag = XMITBUF_DATA;
+
+ /* Tx buf allocation may fail sometimes, so sleep and retry. */
+ res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ), true);
+ if (res == _FAIL) {
+ msleep(10);
+ res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ), true);
+ if (res == _FAIL)
+ goto exit;
+ }
+
+ pxmitbuf->phead = pxmitbuf->pbuf;
+ pxmitbuf->pend = pxmitbuf->pbuf + MAX_XMITBUF_SZ;
+ pxmitbuf->len = 0;
+ pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
+
+ pxmitbuf->flags = XMIT_VO_QUEUE;
+
+ list_add_tail(&pxmitbuf->list,
+ &pxmitpriv->free_xmitbuf_queue.queue);
+ #ifdef DBG_XMIT_BUF
+ pxmitbuf->no = i;
+ #endif
+
+ pxmitbuf++;
+ }
+
+ pxmitpriv->free_xmitbuf_cnt = NR_XMITBUFF;
+
+ /* init xframe_ext queue, the same count as extbuf */
+ INIT_LIST_HEAD(&pxmitpriv->free_xframe_ext_queue.queue);
+ spin_lock_init(&pxmitpriv->free_xframe_ext_queue.lock);
+
+ pxmitpriv->xframe_ext_alloc_addr = vzalloc(NR_XMIT_EXTBUFF * sizeof(struct xmit_frame) + 4);
+
+ if (!pxmitpriv->xframe_ext_alloc_addr) {
+ pxmitpriv->xframe_ext = NULL;
+ res = _FAIL;
+ goto exit;
+ }
+ pxmitpriv->xframe_ext = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->xframe_ext_alloc_addr), 4);
+ pxframe = (struct xmit_frame *)pxmitpriv->xframe_ext;
+
+ for (i = 0; i < NR_XMIT_EXTBUFF; i++) {
+ INIT_LIST_HEAD(&pxframe->list);
+
+ pxframe->padapter = padapter;
+ pxframe->frame_tag = NULL_FRAMETAG;
+
+ pxframe->pkt = NULL;
+
+ pxframe->buf_addr = NULL;
+ pxframe->pxmitbuf = NULL;
+
+ pxframe->ext_tag = 1;
+
+ list_add_tail(&pxframe->list,
+ &pxmitpriv->free_xframe_ext_queue.queue);
+
+ pxframe++;
+ }
+ pxmitpriv->free_xframe_ext_cnt = NR_XMIT_EXTBUFF;
+
+ /* Init xmit extension buff */
+ INIT_LIST_HEAD(&pxmitpriv->free_xmit_extbuf_queue.queue);
+ spin_lock_init(&pxmitpriv->free_xmit_extbuf_queue.lock);
+
+ pxmitpriv->pallocated_xmit_extbuf = vzalloc(NR_XMIT_EXTBUFF * sizeof(struct xmit_buf) + 4);
+
+ if (!pxmitpriv->pallocated_xmit_extbuf) {
+ res = _FAIL;
+ goto exit;
+ }
+
+ pxmitpriv->pxmit_extbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_xmit_extbuf), 4);
+
+ pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
+
+ for (i = 0; i < NR_XMIT_EXTBUFF; i++) {
+ INIT_LIST_HEAD(&pxmitbuf->list);
+
+ pxmitbuf->priv_data = NULL;
+ pxmitbuf->padapter = padapter;
+ pxmitbuf->buf_tag = XMITBUF_MGNT;
+
+ res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, MAX_XMIT_EXTBUF_SZ + XMITBUF_ALIGN_SZ, true);
+ if (res == _FAIL) {
+ res = _FAIL;
+ goto exit;
+ }
+
+ pxmitbuf->phead = pxmitbuf->pbuf;
+ pxmitbuf->pend = pxmitbuf->pbuf + MAX_XMIT_EXTBUF_SZ;
+ pxmitbuf->len = 0;
+ pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
+
+ list_add_tail(&pxmitbuf->list,
+ &pxmitpriv->free_xmit_extbuf_queue.queue);
+ #ifdef DBG_XMIT_BUF_EXT
+ pxmitbuf->no = i;
+ #endif
+ pxmitbuf++;
+ }
+
+ pxmitpriv->free_xmit_extbuf_cnt = NR_XMIT_EXTBUFF;
+
+ for (i = 0; i < CMDBUF_MAX; i++) {
+ pxmitbuf = &pxmitpriv->pcmd_xmitbuf[i];
+ if (pxmitbuf) {
+ INIT_LIST_HEAD(&pxmitbuf->list);
+
+ pxmitbuf->priv_data = NULL;
+ pxmitbuf->padapter = padapter;
+ pxmitbuf->buf_tag = XMITBUF_CMD;
+
+ res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, MAX_CMDBUF_SZ+XMITBUF_ALIGN_SZ, true);
+ if (res == _FAIL) {
+ res = _FAIL;
+ goto exit;
+ }
+
+ pxmitbuf->phead = pxmitbuf->pbuf;
+ pxmitbuf->pend = pxmitbuf->pbuf + MAX_CMDBUF_SZ;
+ pxmitbuf->len = 0;
+ pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
+ pxmitbuf->alloc_sz = MAX_CMDBUF_SZ+XMITBUF_ALIGN_SZ;
+ }
+ }
+
+ res = rtw_alloc_hwxmits(padapter);
+ if (res == _FAIL)
+ goto exit;
+ rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry);
+
+ for (i = 0; i < 4; i++)
+ pxmitpriv->wmm_para_seq[i] = i;
+
+ 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;
+
+ rtw_hal_free_xmit_priv(padapter);
+
+ if (!pxmitpriv->pxmit_frame_buf)
+ 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), true);
+
+ pxmitbuf++;
+ }
+
+ vfree(pxmitpriv->pallocated_frame_buf);
+ vfree(pxmitpriv->pallocated_xmitbuf);
+
+ /* free xframe_ext queue, the same count as extbuf */
+ pxmitframe = (struct xmit_frame *)pxmitpriv->xframe_ext;
+ if (pxmitframe) {
+ for (i = 0; i < NR_XMIT_EXTBUFF; i++) {
+ rtw_os_xmit_complete(padapter, pxmitframe);
+ pxmitframe++;
+ }
+ }
+
+ vfree(pxmitpriv->xframe_ext_alloc_addr);
+
+ /* free xmit extension buff */
+ pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
+ for (i = 0; i < NR_XMIT_EXTBUFF; i++) {
+ rtw_os_xmit_resource_free(padapter, pxmitbuf, (MAX_XMIT_EXTBUF_SZ + XMITBUF_ALIGN_SZ), true);
+
+ pxmitbuf++;
+ }
+
+ vfree(pxmitpriv->pallocated_xmit_extbuf);
+
+ for (i = 0; i < CMDBUF_MAX; i++) {
+ pxmitbuf = &pxmitpriv->pcmd_xmitbuf[i];
+ if (pxmitbuf)
+ rtw_os_xmit_resource_free(padapter, pxmitbuf, MAX_CMDBUF_SZ+XMITBUF_ALIGN_SZ, true);
+ }
+
+ rtw_free_hwxmits(padapter);
+
+ mutex_destroy(&pxmitpriv->ack_tx_mutex);
+}
+
+u8 query_ra_short_GI(struct sta_info *psta)
+{
+ u8 sgi = false, sgi_20m = false, sgi_40m = false;
+
+ sgi_20m = psta->htpriv.sgi_20m;
+ sgi_40m = psta->htpriv.sgi_40m;
+
+ switch (psta->bw_mode) {
+ case CHANNEL_WIDTH_40:
+ sgi = sgi_40m;
+ break;
+ case CHANNEL_WIDTH_20:
+ default:
+ sgi = sgi_20m;
+ break;
+ }
+
+ return sgi;
+}
+
+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 (pattrib->rtsen)
+ pattrib->vcs_mode = RTS_CTS;
+ else if (pattrib->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 == true) &&
+ (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) {
+ pattrib->vcs_mode = CTS_TO_SELF;
+ break;
+ }
+
+ /* check ERP protection */
+ if (pattrib->rtsen || pattrib->cts2self) {
+ if (pattrib->rtsen)
+ pattrib->vcs_mode = RTS_CTS;
+ else if (pattrib->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 == true) {
+ pattrib->vcs_mode = RTS_CTS;
+ break;
+ }
+
+ pattrib->vcs_mode = NONE_VCS;
+ break;
+ }
+ }
+
+ /* for debug : force driver control vrtl_carrier_sense. */
+ if (padapter->driver_vcs_en == 1)
+ pattrib->vcs_mode = padapter->driver_vcs_type;
+}
+
+static void update_attrib_phy_info(struct adapter *padapter, struct pkt_attrib *pattrib, struct sta_info *psta)
+{
+ struct mlme_ext_priv *mlmeext = &padapter->mlmeextpriv;
+
+ pattrib->rtsen = psta->rtsen;
+ pattrib->cts2self = psta->cts2self;
+
+ pattrib->mdata = 0;
+ pattrib->eosp = 0;
+ pattrib->triggered = 0;
+ pattrib->ampdu_spacing = 0;
+
+ /* qos_en, ht_en, init rate, , bw, ch_offset, sgi */
+ pattrib->qos_en = psta->qos_option;
+
+ pattrib->raid = psta->raid;
+
+ pattrib->bwmode = min(mlmeext->cur_bwmode, psta->bw_mode);
+
+ pattrib->sgi = query_ra_short_GI(psta);
+
+ pattrib->ldpc = psta->ldpc;
+ pattrib->stbc = psta->stbc;
+
+ pattrib->ht_en = psta->htpriv.ht_option;
+ pattrib->ch_offset = psta->htpriv.ch_offset;
+ pattrib->ampdu_en = false;
+
+ if (padapter->driver_ampdu_spacing != 0xFF) /* driver control AMPDU Density for peer sta's rx */
+ pattrib->ampdu_spacing = padapter->driver_ampdu_spacing;
+ else
+ pattrib->ampdu_spacing = psta->htpriv.rx_ampdu_min_spacing;
+
+ pattrib->retry_ctrl = false;
+}
+
+static s32 update_attrib_sec_info(struct adapter *padapter, struct pkt_attrib *pattrib, struct sta_info *psta)
+{
+ signed int res = _SUCCESS;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ struct security_priv *psecuritypriv = &padapter->securitypriv;
+ signed int bmcast = IS_MCAST(pattrib->ra);
+
+ memset(pattrib->dot118021x_UncstKey.skey, 0, 16);
+ memset(pattrib->dot11tkiptxmickey.skey, 0, 16);
+ pattrib->mac_id = psta->mac_id;
+
+ if (psta->ieee8021x_blocked == true) {
+ pattrib->encrypt = 0;
+
+ if ((pattrib->ether_type != 0x888e) && (check_fwstate(pmlmepriv, WIFI_MP_STATE) == false)) {
+ 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;
+ }
+
+ /* For WPS 1.0 WEP, driver should not encrypt EAPOL Packet for WPS handshake. */
+ if (((pattrib->encrypt == _WEP40_) || (pattrib->encrypt == _WEP104_)) && (pattrib->ether_type == 0x888e))
+ pattrib->encrypt = _NO_PRIVACY_;
+ }
+
+ switch (pattrib->encrypt) {
+ case _WEP40_:
+ case _WEP104_:
+ pattrib->iv_len = 4;
+ pattrib->icv_len = 4;
+ WEP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
+ break;
+
+ case _TKIP_:
+ pattrib->iv_len = 8;
+ pattrib->icv_len = 4;
+
+ if (psecuritypriv->busetkipkey == _FAIL) {
+ res = _FAIL;
+ goto exit;
+ }
+
+ if (bmcast)
+ TKIP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
+ else
+ TKIP_IV(pattrib->iv, psta->dot11txpn, 0);
+
+ memcpy(pattrib->dot11tkiptxmickey.skey, psta->dot11tkiptxmickey.skey, 16);
+
+ break;
+
+ case _AES_:
+
+ pattrib->iv_len = 8;
+ pattrib->icv_len = 8;
+
+ if (bmcast)
+ AES_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
+ else
+ AES_IV(pattrib->iv, psta->dot11txpn, 0);
+
+ break;
+
+ default:
+ pattrib->iv_len = 0;
+ pattrib->icv_len = 0;
+ break;
+ }
+
+ if (pattrib->encrypt > 0)
+ memcpy(pattrib->dot118021x_UncstKey.skey, psta->dot118021x_UncstKey.skey, 16);
+
+ if (pattrib->encrypt &&
+ ((padapter->securitypriv.sw_encrypt) || (!psecuritypriv->hw_decrypted)))
+ pattrib->bswenc = true;
+ else
+ pattrib->bswenc = false;
+
+exit:
+
+ return res;
+}
+
+u8 qos_acm(u8 acm_mask, u8 priority)
+{
+ switch (priority) {
+ case 0:
+ case 3:
+ if (acm_mask & BIT(1))
+ priority = 1;
+ break;
+ case 1:
+ case 2:
+ break;
+ case 4:
+ case 5:
+ if (acm_mask & BIT(2))
+ priority = 0;
+ break;
+ case 6:
+ case 7:
+ if (acm_mask & BIT(3))
+ priority = 5;
+ break;
+ default:
+ break;
+ }
+
+ return priority;
+}
+
+static void set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib)
+{
+ struct ethhdr etherhdr;
+ struct iphdr ip_hdr;
+ s32 UserPriority = 0;
+
+ _rtw_open_pktfile(ppktfile->pkt, ppktfile);
+ _rtw_pktfile_read(ppktfile, (unsigned char *)&etherhdr, ETH_HLEN);
+
+ /* get UserPriority from IP hdr */
+ if (pattrib->ether_type == 0x0800) {
+ _rtw_pktfile_read(ppktfile, (u8 *)&ip_hdr, sizeof(ip_hdr));
+ UserPriority = ip_hdr.tos >> 5;
+ }
+ pattrib->priority = UserPriority;
+ 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;
+
+ signed int bmcast;
+ struct sta_priv *pstapriv = &padapter->stapriv;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ struct qos_priv *pqospriv = &pmlmepriv->qospriv;
+ signed int res = _SUCCESS;
+
+ _rtw_open_pktfile(pkt, &pktfile);
+ _rtw_pktfile_read(&pktfile, (u8 *)&etherhdr, ETH_HLEN);
+
+ pattrib->ether_type = ntohs(etherhdr.h_proto);
+
+ memcpy(pattrib->dst, &etherhdr.h_dest, ETH_ALEN);
+ memcpy(pattrib->src, &etherhdr.h_source, ETH_ALEN);
+
+ if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) ||
+ (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)) {
+ 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 (pattrib->ether_type == ETH_P_IP) {
+ /* 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 (pattrib->ether_type == ETH_P_IP) {/* IP header */
+ if (((tmp[21] == 68) && (tmp[23] == 67)) ||
+ ((tmp[21] == 67) && (tmp[23] == 68))) {
+ /* 68 : UDP BOOTP client */
+ /* 67 : UDP BOOTP server */
+ pattrib->dhcp_pkt = 1;
+ }
+ }
+ }
+
+ /* for parsing ICMP pakcets */
+ {
+ struct iphdr *piphdr = (struct iphdr *)tmp;
+
+ pattrib->icmp_pkt = 0;
+ if (piphdr->protocol == 0x1) /* protocol type in ip header 0x1 is ICMP */
+ pattrib->icmp_pkt = 1;
+ }
+ } else if (pattrib->ether_type == 0x888e) {
+ netdev_dbg(padapter->pnetdev, "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->icmp_pkt == 1)
+ rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1);
+ else if (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) { /* if we cannot get psta => drop the pkt */
+ res = _FAIL;
+ goto exit;
+ } else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) && (!(psta->state & _FW_LINKED))) {
+ res = _FAIL;
+ goto exit;
+ }
+ }
+
+ if (!psta) {
+ /* if we cannot get psta => drop the pkt */
+ res = _FAIL;
+ goto exit;
+ }
+
+ if (!(psta->state & _FW_LINKED))
+ return _FAIL;
+
+ /* TODO:_lock */
+ if (update_attrib_sec_info(padapter, pattrib, psta) == _FAIL) {
+ res = _FAIL;
+ goto exit;
+ }
+
+ update_attrib_phy_info(padapter, pattrib, psta);
+
+ pattrib->psta = psta;
+ /* TODO:_unlock */
+
+ pattrib->pctrl = 0;
+
+ 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 (pattrib->qos_en)
+ 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);
+ }
+ }
+
+ /* pattrib->priority = 5; force to used VI queue, for testing */
+
+exit:
+ return res;
+}
+
+static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitframe)
+{
+ signed int curfragnum, length;
+ u8 *pframe, *payload, mic[8];
+ struct mic_data micdata;
+ 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;
+ signed int bmcst = IS_MCAST(pattrib->ra);
+
+ hw_hdr_offset = TXDESC_OFFSET;
+
+ if (pattrib->encrypt == _TKIP_) {
+ /* encode mic code */
+ {
+ 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(&pattrib->dot11tkiptxmickey.skey[0], null_key, 16))
+ return _FAIL;
+ /* start to calculate the mic code */
+ rtw_secmicsetkey(&micdata, &pattrib->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_PTR)(payload), 4);
+ payload = payload+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;
+ }
+ }
+ rtw_secgetmic(&micdata, &mic[0]);
+ /* add mic code and add the mic code length in last_txcmdsz */
+
+ memcpy(payload, &mic[0], 8);
+ pattrib->last_txcmdsz += 8;
+ }
+ }
+ return _SUCCESS;
+}
+
+static s32 xmitframe_swencrypt(struct adapter *padapter, struct xmit_frame *pxmitframe)
+{
+ struct pkt_attrib *pattrib = &pxmitframe->attrib;
+
+ if (pattrib->bswenc) {
+ 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;
+ }
+ }
+
+ return _SUCCESS;
+}
+
+s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr, struct pkt_attrib *pattrib)
+{
+ u16 *qc;
+
+ struct ieee80211_hdr *pwlanhdr = (struct ieee80211_hdr *)hdr;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ struct qos_priv *pqospriv = &pmlmepriv->qospriv;
+ u8 qos_option = false;
+ signed int res = _SUCCESS;
+ __le16 *fctrl = &pwlanhdr->frame_control;
+
+ 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; */
+
+ {
+ /* 1.Data transfer to AP */
+ /* 2.Arp pkt will relayed by 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) == true) {
+ /* 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 (pattrib->qos_en)
+ qos_option = true;
+ } else if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) ||
+ (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)) {
+ memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
+ memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
+ memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN);
+
+ if (pattrib->qos_en)
+ qos_option = true;
+ } else {
+ 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 */
+ {
+ struct sta_info *psta;
+
+ psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
+ if (pattrib->psta != psta)
+ return _FAIL;
+
+ if (!psta)
+ return _FAIL;
+
+ if (!(psta->state & _FW_LINKED))
+ return _FAIL;
+
+ 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 == true) {
+ 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 */
+ }
+ }
+ }
+ }
+ } else {
+ }
+
+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)));
+}
+
+/*
+ * 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_PTR addr;
+
+ u8 *pframe, *mem_start;
+ u8 hw_hdr_offset;
+
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+
+ struct pkt_attrib *pattrib = &pxmitframe->attrib;
+
+ u8 *pbuf_start;
+
+ s32 bmcst = IS_MCAST(pattrib->ra);
+ s32 res = _SUCCESS;
+
+ if (!pxmitframe->buf_addr)
+ return _FAIL;
+
+ pbuf_start = pxmitframe->buf_addr;
+
+ hw_hdr_offset = TXDESC_OFFSET;
+ mem_start = pbuf_start + hw_hdr_offset;
+
+ if (rtw_make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) {
+ 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) {
+ memcpy(pframe, pattrib->iv, pattrib->iv_len);
+
+ 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 broadcast/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) == true)) {
+ 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;
+ }
+
+ addr = (SIZE_PTR)(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) {
+ res = _FAIL;
+ goto exit;
+ }
+
+ xmitframe_swencrypt(padapter, pxmitframe);
+
+ if (bmcst == false)
+ update_attrib_vcs_info(padapter, pxmitframe);
+ else
+ pattrib->vcs_mode = NONE_VCS;
+
+exit:
+ return res;
+}
+
+/* broadcast or multicast management pkt use BIP, unicast management pkt use CCMP encryption */
+s32 rtw_mgmt_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, struct xmit_frame *pxmitframe)
+{
+ u8 *pframe, *mem_start = NULL, *tmp_buf = NULL;
+ u8 subtype;
+ struct sta_info *psta = NULL;
+ struct pkt_attrib *pattrib = &pxmitframe->attrib;
+ s32 bmcst = IS_MCAST(pattrib->ra);
+ u8 *BIP_AAD = NULL;
+ u8 *MGMT_body = NULL;
+
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ struct ieee80211_hdr *pwlanhdr;
+ u8 MME[_MME_IE_LENGTH_];
+ u32 ori_len;
+
+ mem_start = pframe = (u8 *)(pxmitframe->buf_addr) + TXDESC_OFFSET;
+ pwlanhdr = (struct ieee80211_hdr *)pframe;
+
+ ori_len = BIP_AAD_SIZE+pattrib->pktlen;
+ tmp_buf = BIP_AAD = rtw_zmalloc(ori_len);
+ subtype = GetFrameSubType(pframe); /* bit(7)~bit(2) */
+
+ if (!BIP_AAD)
+ return _FAIL;
+
+ spin_lock_bh(&padapter->security_key_mutex);
+
+ /* only support station mode */
+ if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE) || !check_fwstate(pmlmepriv, _FW_LINKED))
+ goto xmitframe_coalesce_success;
+
+ /* IGTK key is not install, it may not support 802.11w */
+ if (!padapter->securitypriv.binstallBIPkey)
+ goto xmitframe_coalesce_success;
+
+ /* station mode doesn't need TX BIP, just ready the code */
+ if (bmcst) {
+ int frame_body_len;
+ u8 mic[16];
+
+ memset(MME, 0, 18);
+
+ /* other types doesn't need the BIP */
+ if (GetFrameSubType(pframe) != WIFI_DEAUTH && GetFrameSubType(pframe) != WIFI_DISASSOC)
+ goto xmitframe_coalesce_fail;
+
+ MGMT_body = pframe + sizeof(struct ieee80211_hdr_3addr);
+ pframe += pattrib->pktlen;
+
+ /* octent 0 and 1 is key index , BIP keyid is 4 or 5, LSB only need octent 0 */
+ MME[0] = padapter->securitypriv.dot11wBIPKeyid;
+ /* copy packet number */
+ memcpy(&MME[2], &pmlmeext->mgnt_80211w_IPN, 6);
+ /* increase the packet number */
+ pmlmeext->mgnt_80211w_IPN++;
+
+ /* add MME IE with MIC all zero, MME string doesn't include element id and length */
+ pframe = rtw_set_ie(pframe, WLAN_EID_MMIE, 16,
+ MME, &pattrib->pktlen);
+ pattrib->last_txcmdsz = pattrib->pktlen;
+ /* total frame length - header length */
+ frame_body_len = pattrib->pktlen - sizeof(struct ieee80211_hdr_3addr);
+
+ /* conscruct AAD, copy frame control field */
+ memcpy(BIP_AAD, &pwlanhdr->frame_control, 2);
+ ClearRetry(BIP_AAD);
+ ClearPwrMgt(BIP_AAD);
+ ClearMData(BIP_AAD);
+ /* conscruct AAD, copy address 1 to address 3 */
+ memcpy(BIP_AAD+2, pwlanhdr->addr1, 18);
+ /* copy management fram body */
+ memcpy(BIP_AAD+BIP_AAD_SIZE, MGMT_body, frame_body_len);
+ /* calculate mic */
+ if (omac1_aes_128(padapter->securitypriv.dot11wBIPKey[padapter->securitypriv.dot11wBIPKeyid].skey
+ , BIP_AAD, BIP_AAD_SIZE+frame_body_len, mic))
+ goto xmitframe_coalesce_fail;
+
+ /* copy right BIP mic value, total is 128bits, we use the 0~63 bits */
+ memcpy(pframe-8, mic, 8);
+ } else { /* unicast mgmt frame TX */
+ /* start to encrypt mgmt frame */
+ if (subtype == WIFI_DEAUTH || subtype == WIFI_DISASSOC ||
+ subtype == WIFI_REASSOCREQ || subtype == WIFI_ACTION) {
+ if (pattrib->psta)
+ psta = pattrib->psta;
+ else
+ psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
+
+ if (!psta)
+ goto xmitframe_coalesce_fail;
+
+ if (!(psta->state & _FW_LINKED) || !pxmitframe->buf_addr)
+ goto xmitframe_coalesce_fail;
+
+ /* according 802.11-2012 standard, these five types are not robust types */
+ if (subtype == WIFI_ACTION &&
+ (pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_PUBLIC ||
+ pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_HT ||
+ pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_UNPROTECTED_WNM ||
+ pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_SELF_PROTECTED ||
+ pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_P2P))
+ goto xmitframe_coalesce_fail;
+ /* before encrypt dump the management packet content */
+ if (pattrib->encrypt > 0)
+ memcpy(pattrib->dot118021x_UncstKey.skey, psta->dot118021x_UncstKey.skey, 16);
+ /* bakeup original management packet */
+ memcpy(tmp_buf, pframe, pattrib->pktlen);
+ /* move to data portion */
+ pframe += pattrib->hdrlen;
+
+ /* 802.11w unicast management packet must be _AES_ */
+ pattrib->iv_len = 8;
+ /* it's MIC of AES */
+ pattrib->icv_len = 8;
+
+ switch (pattrib->encrypt) {
+ case _AES_:
+ /* set AES IV header */
+ AES_IV(pattrib->iv, psta->dot11wtxpn, 0);
+ break;
+ default:
+ goto xmitframe_coalesce_fail;
+ }
+ /* insert iv header into management frame */
+ memcpy(pframe, pattrib->iv, pattrib->iv_len);
+ pframe += pattrib->iv_len;
+ /* copy mgmt data portion after CCMP header */
+ memcpy(pframe, tmp_buf+pattrib->hdrlen, pattrib->pktlen-pattrib->hdrlen);
+ /* move pframe to end of mgmt pkt */
+ pframe += pattrib->pktlen-pattrib->hdrlen;
+ /* add 8 bytes CCMP IV header to length */
+ pattrib->pktlen += pattrib->iv_len;
+ if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
+ memcpy(pframe, pattrib->icv, pattrib->icv_len);
+ pframe += pattrib->icv_len;
+ }
+ /* add 8 bytes MIC */
+ pattrib->pktlen += pattrib->icv_len;
+ /* set final tx command size */
+ pattrib->last_txcmdsz = pattrib->pktlen;
+
+ /* set protected bit must be beofre SW encrypt */
+ SetPrivacy(mem_start);
+ /* software encrypt */
+ xmitframe_swencrypt(padapter, pxmitframe);
+ }
+ }
+
+xmitframe_coalesce_success:
+ spin_unlock_bh(&padapter->security_key_mutex);
+ kfree(BIP_AAD);
+ return _SUCCESS;
+
+xmitframe_coalesce_fail:
+ spin_unlock_bh(&padapter->security_key_mutex);
+ kfree(BIP_AAD);
+ return _FAIL;
+}
+
+/* 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;
+ signed 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, WLAN_EID_ERP_INFO, &erp_len, ie_len);
+ if (!perp) {
+ 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;
+ u8 pkt_num = 1;
+
+ if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) {
+ pkt_num = pxmitframe->agg_num;
+
+ pmlmepriv->LinkDetectInfo.NumTxOkInPeriod += pkt_num;
+
+ pxmitpriv->tx_pkts += pkt_num;
+
+ pxmitpriv->tx_bytes += sz;
+
+ psta = pxmitframe->attrib.psta;
+ if (psta) {
+ pstats = &psta->sta_stats;
+
+ pstats->tx_pkts += pkt_num;
+
+ pstats->tx_bytes += sz;
+ }
+ }
+}
+
+static struct xmit_buf *__rtw_alloc_cmd_xmitbuf(struct xmit_priv *pxmitpriv,
+ enum cmdbuf_type buf_type)
+{
+ struct xmit_buf *pxmitbuf = NULL;
+
+ pxmitbuf = &pxmitpriv->pcmd_xmitbuf[buf_type];
+ if (pxmitbuf) {
+ pxmitbuf->priv_data = NULL;
+
+ pxmitbuf->len = 0;
+ pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
+ pxmitbuf->agg_num = 0;
+ pxmitbuf->pg_num = 0;
+
+ if (pxmitbuf->sctx)
+ rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
+ }
+
+ return pxmitbuf;
+}
+
+struct xmit_frame *__rtw_alloc_cmdxmitframe(struct xmit_priv *pxmitpriv,
+ enum cmdbuf_type buf_type)
+{
+ struct xmit_frame *pcmdframe;
+ struct xmit_buf *pxmitbuf;
+
+ pcmdframe = rtw_alloc_xmitframe(pxmitpriv);
+ if (!pcmdframe)
+ return NULL;
+
+ pxmitbuf = __rtw_alloc_cmd_xmitbuf(pxmitpriv, buf_type);
+ if (!pxmitbuf) {
+ rtw_free_xmitframe(pxmitpriv, pcmdframe);
+ return NULL;
+ }
+
+ pcmdframe->frame_tag = MGNT_FRAMETAG;
+
+ pcmdframe->pxmitbuf = pxmitbuf;
+
+ pcmdframe->buf_addr = pxmitbuf->pbuf;
+
+ pxmitbuf->priv_data = pcmdframe;
+
+ return pcmdframe;
+}
+
+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 = get_next(phead);
+
+ pxmitbuf = container_of(plist, struct xmit_buf, list);
+
+ list_del_init(&pxmitbuf->list);
+ }
+
+ if (pxmitbuf) {
+ pxmitpriv->free_xmit_extbuf_cnt--;
+
+ pxmitbuf->priv_data = NULL;
+
+ pxmitbuf->len = 0;
+ pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
+ pxmitbuf->agg_num = 1;
+
+ if (pxmitbuf->sctx)
+ 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)
+ 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;
+
+ 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 = get_next(phead);
+
+ pxmitbuf = container_of(plist, struct xmit_buf, list);
+
+ list_del_init(&pxmitbuf->list);
+ }
+
+ if (pxmitbuf) {
+ pxmitpriv->free_xmitbuf_cnt--;
+
+ pxmitbuf->priv_data = NULL;
+
+ pxmitbuf->len = 0;
+ pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
+ pxmitbuf->agg_num = 0;
+ pxmitbuf->pg_num = 0;
+
+ if (pxmitbuf->sctx)
+ 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)
+ return _FAIL;
+
+ if (pxmitbuf->sctx)
+ rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE);
+
+ if (pxmitbuf->buf_tag == XMITBUF_CMD) {
+ } else if (pxmitbuf->buf_tag == XMITBUF_MGNT) {
+ 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;
+}
+
+static void rtw_init_xmitframe(struct xmit_frame *pxframe)
+{
+ if (pxframe) { /* default value setting */
+ pxframe->buf_addr = NULL;
+ pxframe->pxmitbuf = NULL;
+
+ memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib));
+
+ pxframe->frame_tag = DATA_FRAMETAG;
+
+ pxframe->pg_num = 1;
+ pxframe->agg_num = 1;
+ pxframe->ack_report = 0;
+ }
+}
+
+/*
+ * 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)) {
+ pxframe = NULL;
+ } else {
+ phead = get_list_head(pfree_xmit_queue);
+
+ plist = get_next(phead);
+
+ pxframe = container_of(plist, struct xmit_frame, list);
+
+ list_del_init(&pxframe->list);
+ pxmitpriv->free_xmitframe_cnt--;
+ }
+
+ spin_unlock_bh(&pfree_xmit_queue->lock);
+
+ rtw_init_xmitframe(pxframe);
+ return pxframe;
+}
+
+struct xmit_frame *rtw_alloc_xmitframe_ext(struct xmit_priv *pxmitpriv)
+{
+ struct xmit_frame *pxframe = NULL;
+ struct list_head *plist, *phead;
+ struct __queue *queue = &pxmitpriv->free_xframe_ext_queue;
+
+ spin_lock_bh(&queue->lock);
+
+ if (list_empty(&queue->queue)) {
+ pxframe = NULL;
+ } else {
+ phead = get_list_head(queue);
+ plist = get_next(phead);
+ pxframe = container_of(plist, struct xmit_frame, list);
+
+ list_del_init(&pxframe->list);
+ pxmitpriv->free_xframe_ext_cnt--;
+ }
+
+ spin_unlock_bh(&queue->lock);
+
+ rtw_init_xmitframe(pxframe);
+
+ return pxframe;
+}
+
+struct xmit_frame *rtw_alloc_xmitframe_once(struct xmit_priv *pxmitpriv)
+{
+ struct xmit_frame *pxframe = NULL;
+ u8 *alloc_addr;
+
+ alloc_addr = rtw_zmalloc(sizeof(struct xmit_frame) + 4);
+
+ if (!alloc_addr)
+ goto exit;
+
+ pxframe = (struct xmit_frame *)N_BYTE_ALIGMENT((SIZE_PTR)(alloc_addr), 4);
+ pxframe->alloc_addr = alloc_addr;
+
+ pxframe->padapter = pxmitpriv->adapter;
+ pxframe->frame_tag = NULL_FRAMETAG;
+
+ pxframe->pkt = NULL;
+
+ pxframe->buf_addr = NULL;
+ pxframe->pxmitbuf = NULL;
+
+ rtw_init_xmitframe(pxframe);
+
+exit:
+ return pxframe;
+}
+
+s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe)
+{
+ struct __queue *queue = NULL;
+ struct adapter *padapter = pxmitpriv->adapter;
+ struct sk_buff *pndis_pkt = NULL;
+
+ if (!pxmitframe)
+ goto exit;
+
+ if (pxmitframe->pkt) {
+ pndis_pkt = pxmitframe->pkt;
+ pxmitframe->pkt = NULL;
+ }
+
+ if (pxmitframe->alloc_addr) {
+ kfree(pxmitframe->alloc_addr);
+ goto check_pkt_complete;
+ }
+
+ if (pxmitframe->ext_tag == 0)
+ queue = &pxmitpriv->free_xmit_queue;
+ else if (pxmitframe->ext_tag == 1)
+ queue = &pxmitpriv->free_xframe_ext_queue;
+ else {
+ }
+
+ spin_lock_bh(&queue->lock);
+
+ list_del_init(&pxmitframe->list);
+ list_add_tail(&pxmitframe->list, get_list_head(queue));
+ if (pxmitframe->ext_tag == 0)
+ pxmitpriv->free_xmitframe_cnt++;
+ else if (pxmitframe->ext_tag == 1)
+ pxmitpriv->free_xframe_ext_cnt++;
+
+ spin_unlock_bh(&queue->lock);
+
+check_pkt_complete:
+
+ 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, *tmp;
+ struct xmit_frame *pxmitframe;
+
+ spin_lock_bh(&pframequeue->lock);
+
+ phead = get_list_head(pframequeue);
+ list_for_each_safe(plist, tmp, phead) {
+ pxmitframe = list_entry(plist, struct xmit_frame, list);
+
+ 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)
+ return _FAIL;
+
+ return _SUCCESS;
+}
+
+struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *psta, signed int up, u8 *ac)
+{
+ struct tx_servq *ptxservq = NULL;
+
+ switch (up) {
+ case 1:
+ case 2:
+ ptxservq = &psta->sta_xmitpriv.bk_q;
+ *(ac) = 3;
+ break;
+
+ case 4:
+ case 5:
+ ptxservq = &psta->sta_xmitpriv.vi_q;
+ *(ac) = 1;
+ break;
+
+ case 6:
+ case 7:
+ ptxservq = &psta->sta_xmitpriv.vo_q;
+ *(ac) = 0;
+ break;
+
+ case 0:
+ case 3:
+ default:
+ ptxservq = &psta->sta_xmitpriv.be_q;
+ *(ac) = 2;
+ 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 hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
+ signed int res = _SUCCESS;
+
+ psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
+ if (pattrib->psta != psta)
+ return _FAIL;
+
+ if (!psta) {
+ res = _FAIL;
+ goto exit;
+ }
+
+ if (!(psta->state & _FW_LINKED))
+ return _FAIL;
+
+ 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;
+}
+
+s32 rtw_alloc_hwxmits(struct adapter *padapter)
+{
+ struct hw_xmit *hwxmits;
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+
+ pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;
+
+ pxmitpriv->hwxmits = NULL;
+
+ pxmitpriv->hwxmits = rtw_zmalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry);
+
+ if (!pxmitpriv->hwxmits)
+ return _FAIL;
+
+ hwxmits = pxmitpriv->hwxmits;
+
+ if (pxmitpriv->hwxmit_entry == 5) {
+ hwxmits[0] .sta_queue = &pxmitpriv->bm_pending;
+
+ hwxmits[1] .sta_queue = &pxmitpriv->vo_pending;
+
+ hwxmits[2] .sta_queue = &pxmitpriv->vi_pending;
+
+ hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
+
+ hwxmits[4] .sta_queue = &pxmitpriv->be_pending;
+ } else if (pxmitpriv->hwxmit_entry == 4) {
+ 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;
+ } else {
+ }
+
+ return _SUCCESS;
+}
+
+void rtw_free_hwxmits(struct adapter *padapter)
+{
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+
+ kfree(pxmitpriv->hwxmits);
+}
+
+void rtw_init_hwxmits(struct hw_xmit *phwxmit, signed int entry)
+{
+ signed 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;
+
+ 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)
+{
+ static unsigned long start;
+ static u32 drop_cnt;
+
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+ struct xmit_frame *pxmitframe = NULL;
+
+ s32 res;
+
+ if (start == 0)
+ start = jiffies;
+
+ pxmitframe = rtw_alloc_xmitframe(pxmitpriv);
+
+ if (jiffies_to_msecs(jiffies - start) > 2000) {
+ start = jiffies;
+ drop_cnt = 0;
+ }
+
+ if (!pxmitframe) {
+ drop_cnt++;
+ return -1;
+ }
+
+ res = update_attrib(padapter, *ppkt, &pxmitframe->attrib);
+
+ if (res == _FAIL) {
+ rtw_free_xmitframe(pxmitpriv, pxmitframe);
+ return -1;
+ }
+ pxmitframe->pkt = *ppkt;
+
+ do_queue_select(padapter, &pxmitframe->attrib);
+
+ spin_lock_bh(&pxmitpriv->lock);
+ if (xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe) == true) {
+ spin_unlock_bh(&pxmitpriv->lock);
+ return 1;
+ }
+ spin_unlock_bh(&pxmitpriv->lock);
+
+ /* pre_xmitframe */
+ if (rtw_hal_xmit(padapter, pxmitframe) == false)
+ return 1;
+
+ return 0;
+}
+
+#define RTW_HIQ_FILTER_ALLOW_ALL 0
+#define RTW_HIQ_FILTER_ALLOW_SPECIAL 1
+#define RTW_HIQ_FILTER_DENY_ALL 2
+
+inline bool xmitframe_hiq_filter(struct xmit_frame *xmitframe)
+{
+ bool allow = false;
+ struct adapter *adapter = xmitframe->padapter;
+ struct registry_priv *registry = &adapter->registrypriv;
+
+ if (registry->hiq_filter == RTW_HIQ_FILTER_ALLOW_SPECIAL) {
+ struct pkt_attrib *attrib = &xmitframe->attrib;
+
+ if (attrib->ether_type == 0x0806 ||
+ attrib->ether_type == 0x888e ||
+ attrib->dhcp_pkt
+ )
+ allow = true;
+
+ } else if (registry->hiq_filter == RTW_HIQ_FILTER_ALLOW_ALL)
+ allow = true;
+ else if (registry->hiq_filter == RTW_HIQ_FILTER_DENY_ALL) {
+ } else
+ rtw_warn_on(1);
+
+ return allow;
+}
+
+signed int xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe)
+{
+ signed 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;
+ signed int bmcst = IS_MCAST(pattrib->ra);
+ bool update_tim = false;
+
+ if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == false)
+ return ret;
+ psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
+ if (pattrib->psta != psta)
+ return false;
+
+ if (!psta)
+ return false;
+
+ if (!(psta->state & _FW_LINKED))
+ return false;
+
+ if (pattrib->triggered == 1) {
+ if (bmcst && xmitframe_hiq_filter(pxmitframe))
+ pattrib->qsel = 0x11;/* HIQ */
+
+ return ret;
+ }
+
+ if (bmcst) {
+ spin_lock_bh(&psta->sleep_q.lock);
+
+ if (pstapriv->sta_dz_bitmap) { /* if anyone sta is in ps mode */
+ /* pattrib->qsel = 0x11;HIQ */
+
+ list_del_init(&pxmitframe->list);
+
+ list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
+
+ psta->sleepq_len++;
+
+ if (!(pstapriv->tim_bitmap & BIT(0)))
+ update_tim = true;
+
+ pstapriv->tim_bitmap |= BIT(0);
+ pstapriv->sta_dz_bitmap |= BIT(0);
+
+ if (update_tim)
+ update_beacon(padapter, WLAN_EID_TIM, NULL, true);
+ else
+ chk_bmc_sleepq_cmd(padapter);
+
+ 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))) {
+ if (!(pstapriv->tim_bitmap & BIT(psta->aid)))
+ update_tim = true;
+
+ pstapriv->tim_bitmap |= BIT(psta->aid);
+
+ if (update_tim)
+ /* update BCN for TIM IE */
+ update_beacon(padapter, WLAN_EID_TIM, NULL, true);
+ }
+
+ 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)
+{
+ signed int ret;
+ struct list_head *plist, *phead, *tmp;
+ 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);
+ list_for_each_safe(plist, tmp, phead) {
+ pxmitframe = list_entry(plist, struct xmit_frame, list);
+
+ pattrib = &pxmitframe->attrib;
+
+ pattrib->triggered = 0;
+
+ ret = xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe);
+
+ if (true == ret) {
+ ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
+
+ ptxservq->qcnt--;
+ phwxmits[ac_index].accnt--;
+ } else {
+ }
+ }
+}
+
+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, *tmp;
+ struct xmit_frame *pxmitframe = NULL;
+ struct sta_priv *pstapriv = &padapter->stapriv;
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+
+ psta_bmc = rtw_get_bcmc_stainfo(padapter);
+
+ spin_lock_bh(&pxmitpriv->lock);
+
+ xmitframe_phead = get_list_head(&psta->sleep_q);
+ list_for_each_safe(xmitframe_plist, tmp, xmitframe_phead) {
+ pxmitframe = list_entry(xmitframe_plist, struct xmit_frame,
+ list);
+
+ 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;
+
+ rtw_hal_xmitframe_enqueue(padapter, pxmitframe);
+ }
+
+ if (psta->sleepq_len == 0) {
+ if (pstapriv->tim_bitmap & BIT(psta->aid))
+ update_mask = BIT(0);
+
+ pstapriv->tim_bitmap &= ~BIT(psta->aid);
+
+ 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);
+ }
+
+ /* for BC/MC Frames */
+ if (!psta_bmc)
+ goto _exit;
+
+ if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0) { /* no any sta in ps mode */
+ xmitframe_phead = get_list_head(&psta_bmc->sleep_q);
+ list_for_each_safe(xmitframe_plist, tmp, xmitframe_phead) {
+ pxmitframe = list_entry(xmitframe_plist,
+ struct xmit_frame, list);
+
+ 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;
+ rtw_hal_xmitframe_enqueue(padapter, pxmitframe);
+ }
+
+ if (psta_bmc->sleepq_len == 0) {
+ if (pstapriv->tim_bitmap & BIT(0))
+ update_mask |= BIT(1);
+
+ pstapriv->tim_bitmap &= ~BIT(0);
+ pstapriv->sta_dz_bitmap &= ~BIT(0);
+ }
+ }
+
+_exit:
+
+ spin_unlock_bh(&pxmitpriv->lock);
+
+ if (update_mask)
+ update_beacon(padapter, WLAN_EID_TIM, NULL, true);
+}
+
+void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta)
+{
+ u8 wmmps_ac = 0;
+ struct list_head *xmitframe_plist, *xmitframe_phead, *tmp;
+ struct xmit_frame *pxmitframe = NULL;
+ struct sta_priv *pstapriv = &padapter->stapriv;
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+
+ spin_lock_bh(&pxmitpriv->lock);
+
+ xmitframe_phead = get_list_head(&psta->sleep_q);
+ list_for_each_safe(xmitframe_plist, tmp, xmitframe_phead) {
+ pxmitframe = list_entry(xmitframe_plist, struct xmit_frame,
+ 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;
+ }
+
+ 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;
+ rtw_hal_xmitframe_enqueue(padapter, pxmitframe);
+
+ if ((psta->sleepq_ac_len == 0) && (!psta->has_legacy_ac) && (wmmps_ac)) {
+ pstapriv->tim_bitmap &= ~BIT(psta->aid);
+
+ update_beacon(padapter, WLAN_EID_TIM, NULL, true);
+ }
+ }
+
+ spin_unlock_bh(&pxmitpriv->lock);
+}
+
+void enqueue_pending_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
+{
+ struct __queue *pqueue;
+ struct adapter *pri_adapter = pxmitpriv->adapter;
+
+ pqueue = &pxmitpriv->pending_xmitbuf_queue;
+
+ spin_lock_bh(&pqueue->lock);
+ list_del_init(&pxmitbuf->list);
+ list_add_tail(&pxmitbuf->list, get_list_head(pqueue));
+ spin_unlock_bh(&pqueue->lock);
+
+ complete(&pri_adapter->xmitpriv.xmit_comp);
+}
+
+void enqueue_pending_xmitbuf_to_head(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
+{
+ struct __queue *pqueue;
+
+ pqueue = &pxmitpriv->pending_xmitbuf_queue;
+
+ spin_lock_bh(&pqueue->lock);
+ list_del_init(&pxmitbuf->list);
+ list_add(&pxmitbuf->list, get_list_head(pqueue));
+ spin_unlock_bh(&pqueue->lock);
+}
+
+struct xmit_buf *dequeue_pending_xmitbuf(struct xmit_priv *pxmitpriv)
+{
+ struct xmit_buf *pxmitbuf;
+ struct __queue *pqueue;
+
+ pxmitbuf = NULL;
+ pqueue = &pxmitpriv->pending_xmitbuf_queue;
+
+ spin_lock_bh(&pqueue->lock);
+
+ if (!list_empty(&pqueue->queue)) {
+ struct list_head *plist, *phead;
+
+ phead = get_list_head(pqueue);
+ plist = get_next(phead);
+ pxmitbuf = container_of(plist, struct xmit_buf, list);
+ list_del_init(&pxmitbuf->list);
+ }
+
+ spin_unlock_bh(&pqueue->lock);
+
+ return pxmitbuf;
+}
+
+struct xmit_buf *dequeue_pending_xmitbuf_under_survey(struct xmit_priv *pxmitpriv)
+{
+ struct xmit_buf *pxmitbuf;
+ struct __queue *pqueue;
+
+ pxmitbuf = NULL;
+ pqueue = &pxmitpriv->pending_xmitbuf_queue;
+
+ spin_lock_bh(&pqueue->lock);
+
+ if (!list_empty(&pqueue->queue)) {
+ struct list_head *plist, *phead;
+ u8 type;
+
+ phead = get_list_head(pqueue);
+ plist = phead;
+ do {
+ plist = get_next(plist);
+ if (plist == phead)
+ break;
+
+ pxmitbuf = container_of(plist, struct xmit_buf, list);
+
+ type = GetFrameSubType(pxmitbuf->pbuf + TXDESC_OFFSET);
+
+ if ((type == WIFI_PROBEREQ) ||
+ (type == WIFI_DATA_NULL) ||
+ (type == WIFI_QOS_DATA_NULL)) {
+ list_del_init(&pxmitbuf->list);
+ break;
+ }
+ pxmitbuf = NULL;
+ } while (1);
+ }
+
+ spin_unlock_bh(&pqueue->lock);
+
+ return pxmitbuf;
+}
+
+signed int check_pending_xmitbuf(struct xmit_priv *pxmitpriv)
+{
+ struct __queue *pqueue;
+ signed int ret = false;
+
+ pqueue = &pxmitpriv->pending_xmitbuf_queue;
+
+ spin_lock_bh(&pqueue->lock);
+
+ if (!list_empty(&pqueue->queue))
+ ret = true;
+
+ spin_unlock_bh(&pqueue->lock);
+
+ return ret;
+}
+
+int rtw_xmit_thread(void *context)
+{
+ s32 err;
+ struct adapter *padapter;
+
+ err = _SUCCESS;
+ padapter = context;
+
+ thread_enter("RTW_XMIT_THREAD");
+
+ do {
+ err = rtw_hal_xmit_thread_handler(padapter);
+ flush_signals_thread();
+ } while (err == _SUCCESS);
+
+ complete(&padapter->xmitpriv.terminate_xmitthread_comp);
+
+ return 0;
+}
+
+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;
+ else
+ status = sctx->status;
+
+ if (status == RTW_SCTX_DONE_SUCCESS)
+ ret = _SUCCESS;
+
+ return ret;
+}
+
+void rtw_sctx_done_err(struct submit_ctx **sctx, int status)
+{
+ if (*sctx) {
+ (*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);
+}