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rtl8188eu/core/rtw_xmit.c
Roman Petrovski ed3d903e50 Copyright headers updated to match
2019-04-22 12:31:01 +01:00

5070 lines
128 KiB
C
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// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2007 - 2016 Realtek Corporation. All rights reserved. */
#define _RTW_XMIT_C_
#include <drv_types.h>
#include <hal_data.h>
#include <usb_osintf.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);
/* for(i = 0 ; i < MAX_NUMBLKS; i++) */
/* _init_txservq(&(psta_xmitpriv->blk_q[i])); */
_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, _adapter *padapter)
{
int i;
struct xmit_buf *pxmitbuf;
struct xmit_frame *pxframe;
sint res = _SUCCESS;
/* We don't need to memset padapter->XXX to zero, because adapter is allocated by rtw_zvmalloc(). */
/* memset((unsigned char *)pxmitpriv, 0, sizeof(struct xmit_priv)); */
spin_lock_init(&pxmitpriv->lock);
spin_lock_init(&pxmitpriv->lock_sctx);
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;
/* for(i = 0 ; i < MAX_NUMBLKS; i++) */
/* _rtw_init_queue(&pxmitpriv->blk_strms[i]); */
_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->legacy_dz_queue); */
/* _rtw_init_queue(&pxmitpriv->apsd_queue); */
_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 = rtw_zvmalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4);
if (pxmitpriv->pallocated_frame_buf == NULL) {
pxmitpriv->pxmit_frame_buf = NULL;
res = _FAIL;
goto exit;
}
pxmitpriv->pxmit_frame_buf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_frame_buf), 4);
/* pxmitpriv->pxmit_frame_buf = pxmitpriv->pallocated_frame_buf + 4 - */
/* ((SIZE_PTR) (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 = rtw_zvmalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4);
if (pxmitpriv->pallocated_xmitbuf == NULL) {
res = _FAIL;
goto exit;
}
pxmitpriv->pxmitbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_xmitbuf), 4);
/* pxmitpriv->pxmitbuf = pxmitpriv->pallocated_xmitbuf + 4 - */
/* ((SIZE_PTR) (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->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) {
rtw_msleep_os(10);
res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ), true);
if (res == _FAIL)
goto exit;
}
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 */
_rtw_init_queue(&pxmitpriv->free_xframe_ext_queue);
pxmitpriv->xframe_ext_alloc_addr = rtw_zvmalloc(NR_XMIT_EXTBUFF * sizeof(struct xmit_frame) + 4);
if (pxmitpriv->xframe_ext_alloc_addr == NULL) {
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 */
_rtw_init_queue(&pxmitpriv->free_xmit_extbuf_queue);
pxmitpriv->pallocated_xmit_extbuf = rtw_zvmalloc(NR_XMIT_EXTBUFF * sizeof(struct xmit_buf) + 4);
if (pxmitpriv->pallocated_xmit_extbuf == NULL) {
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;
}
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->alloc_sz = MAX_CMDBUF_SZ + XMITBUF_ALIGN_SZ;
}
}
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;
#ifdef CONFIG_XMIT_ACK
pxmitpriv->ack_tx = false;
_rtw_mutex_init(&pxmitpriv->ack_tx_mutex);
rtw_sctx_init(&pxmitpriv->ack_tx_ops, 0);
#endif
#ifdef CONFIG_TX_AMSDU
_init_timer(&(pxmitpriv->amsdu_vo_timer), padapter->pnetdev,
rtw_amsdu_vo_timeout_handler, padapter);
pxmitpriv->amsdu_vo_timeout = RTW_AMSDU_TIMER_UNSET;
_init_timer(&(pxmitpriv->amsdu_vi_timer), padapter->pnetdev,
rtw_amsdu_vi_timeout_handler, padapter);
pxmitpriv->amsdu_vi_timeout = RTW_AMSDU_TIMER_UNSET;
_init_timer(&(pxmitpriv->amsdu_be_timer), padapter->pnetdev,
rtw_amsdu_be_timeout_handler, padapter);
pxmitpriv->amsdu_be_timeout = RTW_AMSDU_TIMER_UNSET;
_init_timer(&(pxmitpriv->amsdu_bk_timer), padapter->pnetdev,
rtw_amsdu_bk_timeout_handler, padapter);
pxmitpriv->amsdu_bk_timeout = RTW_AMSDU_TIMER_UNSET;
pxmitpriv->amsdu_debug_set_timer = 0;
pxmitpriv->amsdu_debug_timeout = 0;
pxmitpriv->amsdu_debug_coalesce_one = 0;
pxmitpriv->amsdu_debug_coalesce_two = 0;
#endif
rtw_hal_init_xmit_priv(padapter);
exit:
return res;
}
void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv)
{
int i;
_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 == NULL)
goto out;
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++;
}
if (pxmitpriv->pallocated_frame_buf)
rtw_vmfree(pxmitpriv->pallocated_frame_buf, NR_XMITFRAME * sizeof(struct xmit_frame) + 4);
if (pxmitpriv->pallocated_xmitbuf)
rtw_vmfree(pxmitpriv->pallocated_xmitbuf, NR_XMITBUFF * sizeof(struct xmit_buf) + 4);
/* free xframe_ext queue, the same count as extbuf */
if ((pxmitframe = (struct xmit_frame *)pxmitpriv->xframe_ext)) {
for (i = 0; i < NR_XMIT_EXTBUFF; i++) {
rtw_os_xmit_complete(padapter, pxmitframe);
pxmitframe++;
}
}
if (pxmitpriv->xframe_ext_alloc_addr)
rtw_vmfree(pxmitpriv->xframe_ext_alloc_addr, NR_XMIT_EXTBUFF * sizeof(struct xmit_frame) + 4);
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++;
}
if (pxmitpriv->pallocated_xmit_extbuf)
rtw_vmfree(pxmitpriv->pallocated_xmit_extbuf, NR_XMIT_EXTBUFF * sizeof(struct xmit_buf) + 4);
for (i = 0; i < CMDBUF_MAX; i++) {
pxmitbuf = &pxmitpriv->pcmd_xmitbuf[i];
if (pxmitbuf != NULL)
rtw_os_xmit_resource_free(padapter, pxmitbuf, MAX_CMDBUF_SZ + XMITBUF_ALIGN_SZ , true);
}
rtw_free_hwxmits(padapter);
#ifdef CONFIG_XMIT_ACK
_rtw_mutex_free(&pxmitpriv->ack_tx_mutex);
#endif
out:
return;
}
u8 rtw_get_tx_bw_mode(_adapter *adapter, struct sta_info *sta)
{
u8 bw;
bw = sta->bw_mode;
if (MLME_STATE(adapter) & WIFI_ASOC_STATE) {
if (adapter->mlmeextpriv.cur_channel <= 14)
bw = rtw_min(bw, ADAPTER_TX_BW_2G(adapter));
else
bw = rtw_min(bw, ADAPTER_TX_BW_5G(adapter));
}
return bw;
}
void rtw_get_adapter_tx_rate_bmp_by_bw(_adapter *adapter, u8 bw, u16 *r_bmp_cck_ofdm, u32 *r_bmp_ht, u32 *r_bmp_vht)
{
struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
struct macid_ctl_t *macid_ctl = dvobj_to_macidctl(dvobj);
struct mlme_ext_priv *mlmeext = &adapter->mlmeextpriv;
u8 fix_bw = 0xFF;
u16 bmp_cck_ofdm = 0;
u32 bmp_ht = 0;
u32 bmp_vht = 0;
int i;
if (adapter->fix_rate != 0xFF && adapter->fix_bw != 0xFF)
fix_bw = adapter->fix_bw;
/* TODO: adapter->fix_rate */
for (i = 0; i < macid_ctl->num; i++) {
if (!rtw_macid_is_used(macid_ctl, i))
continue;
if (rtw_macid_get_if_g(macid_ctl, i) != adapter->iface_id)
continue;
if (bw == CHANNEL_WIDTH_20) /* CCK, OFDM always 20MHz */
bmp_cck_ofdm |= macid_ctl->rate_bmp0[i] & 0x00000FFF;
/* bypass mismatch bandwidth for HT, VHT */
if ((fix_bw != 0xFF && fix_bw != bw) || (fix_bw == 0xFF && macid_ctl->bw[i] != bw))
continue;
if (macid_ctl->vht_en[i])
bmp_vht |= (macid_ctl->rate_bmp0[i] >> 12) | (macid_ctl->rate_bmp1[i] << 20);
else
bmp_ht |= (macid_ctl->rate_bmp0[i] >> 12) | (macid_ctl->rate_bmp1[i] << 20);
}
/* TODO: mlmeext->tx_rate*/
exit:
if (r_bmp_cck_ofdm)
*r_bmp_cck_ofdm = bmp_cck_ofdm;
if (r_bmp_ht)
*r_bmp_ht = bmp_ht;
if (r_bmp_vht)
*r_bmp_vht = bmp_vht;
}
static void rtw_get_shared_macid_tx_rate_bmp_by_bw(struct dvobj_priv *dvobj, u8 bw, u16 *r_bmp_cck_ofdm, u32 *r_bmp_ht, u32 *r_bmp_vht)
{
struct macid_ctl_t *macid_ctl = dvobj_to_macidctl(dvobj);
u16 bmp_cck_ofdm = 0;
u32 bmp_ht = 0;
u32 bmp_vht = 0;
int i;
for (i = 0; i < macid_ctl->num; i++) {
if (!rtw_macid_is_used(macid_ctl, i))
continue;
if (rtw_macid_get_if_g(macid_ctl, i) != -1)
continue;
if (bw == CHANNEL_WIDTH_20) /* CCK, OFDM always 20MHz */
bmp_cck_ofdm |= macid_ctl->rate_bmp0[i] & 0x00000FFF;
/* bypass mismatch bandwidth for HT, VHT */
if (macid_ctl->bw[i] != bw)
continue;
if (macid_ctl->vht_en[i])
bmp_vht |= (macid_ctl->rate_bmp0[i] >> 12) | (macid_ctl->rate_bmp1[i] << 20);
else
bmp_ht |= (macid_ctl->rate_bmp0[i] >> 12) | (macid_ctl->rate_bmp1[i] << 20);
}
if (r_bmp_cck_ofdm)
*r_bmp_cck_ofdm = bmp_cck_ofdm;
if (r_bmp_ht)
*r_bmp_ht = bmp_ht;
if (r_bmp_vht)
*r_bmp_vht = bmp_vht;
}
void rtw_update_tx_rate_bmp(struct dvobj_priv *dvobj)
{
struct rf_ctl_t *rf_ctl = dvobj_to_rfctl(dvobj);
_adapter *adapter = dvobj_get_primary_adapter(dvobj);
HAL_DATA_TYPE *hal_data = GET_HAL_DATA(adapter);
u8 bw;
u16 bmp_cck_ofdm, tmp_cck_ofdm;
u32 bmp_ht, tmp_ht, ori_bmp_ht[2];
u8 ori_highest_ht_rate_bw_bmp;
u32 bmp_vht, tmp_vht, ori_bmp_vht[4];
u8 ori_highest_vht_rate_bw_bmp;
int i;
/* backup the original ht & vht highest bw bmp */
ori_highest_ht_rate_bw_bmp = rf_ctl->highest_ht_rate_bw_bmp;
ori_highest_vht_rate_bw_bmp = rf_ctl->highest_vht_rate_bw_bmp;
for (bw = CHANNEL_WIDTH_20; bw <= CHANNEL_WIDTH_160; bw++) {
/* backup the original ht & vht bmp */
if (bw <= CHANNEL_WIDTH_40)
ori_bmp_ht[bw] = rf_ctl->rate_bmp_ht_by_bw[bw];
if (bw <= CHANNEL_WIDTH_160)
ori_bmp_vht[bw] = rf_ctl->rate_bmp_vht_by_bw[bw];
bmp_cck_ofdm = bmp_ht = bmp_vht = 0;
if (hal_is_bw_support(dvobj_get_primary_adapter(dvobj), bw)) {
for (i = 0; i < dvobj->iface_nums; i++) {
if (!dvobj->padapters[i])
continue;
rtw_get_adapter_tx_rate_bmp_by_bw(dvobj->padapters[i], bw, &tmp_cck_ofdm, &tmp_ht, &tmp_vht);
bmp_cck_ofdm |= tmp_cck_ofdm;
bmp_ht |= tmp_ht;
bmp_vht |= tmp_vht;
}
rtw_get_shared_macid_tx_rate_bmp_by_bw(dvobj, bw, &tmp_cck_ofdm, &tmp_ht, &tmp_vht);
bmp_cck_ofdm |= tmp_cck_ofdm;
bmp_ht |= tmp_ht;
bmp_vht |= tmp_vht;
}
if (bw == CHANNEL_WIDTH_20)
rf_ctl->rate_bmp_cck_ofdm = bmp_cck_ofdm;
if (bw <= CHANNEL_WIDTH_40)
rf_ctl->rate_bmp_ht_by_bw[bw] = bmp_ht;
if (bw <= CHANNEL_WIDTH_160)
rf_ctl->rate_bmp_vht_by_bw[bw] = bmp_vht;
}
#ifndef DBG_HIGHEST_RATE_BMP_BW_CHANGE
#define DBG_HIGHEST_RATE_BMP_BW_CHANGE 0
#endif
{
u8 highest_rate_bw;
u8 highest_rate_bw_bmp;
u8 update_ht_rs = false;
u8 update_vht_rs = false;
highest_rate_bw_bmp = BW_CAP_20M;
highest_rate_bw = CHANNEL_WIDTH_20;
for (bw = CHANNEL_WIDTH_20; bw <= CHANNEL_WIDTH_40; bw++) {
if (rf_ctl->rate_bmp_ht_by_bw[highest_rate_bw] < rf_ctl->rate_bmp_ht_by_bw[bw]) {
highest_rate_bw_bmp = ch_width_to_bw_cap(bw);
highest_rate_bw = bw;
} else if (rf_ctl->rate_bmp_ht_by_bw[highest_rate_bw] == rf_ctl->rate_bmp_ht_by_bw[bw])
highest_rate_bw_bmp |= ch_width_to_bw_cap(bw);
}
rf_ctl->highest_ht_rate_bw_bmp = highest_rate_bw_bmp;
if (ori_highest_ht_rate_bw_bmp != rf_ctl->highest_ht_rate_bw_bmp
|| largest_bit(ori_bmp_ht[highest_rate_bw]) != largest_bit(rf_ctl->rate_bmp_ht_by_bw[highest_rate_bw])
) {
if (DBG_HIGHEST_RATE_BMP_BW_CHANGE) {
RTW_INFO("highest_ht_rate_bw_bmp:0x%02x=>0x%02x\n", ori_highest_ht_rate_bw_bmp, rf_ctl->highest_ht_rate_bw_bmp);
RTW_INFO("rate_bmp_ht_by_bw[%u]:0x%08x=>0x%08x\n", highest_rate_bw, ori_bmp_ht[highest_rate_bw], rf_ctl->rate_bmp_ht_by_bw[highest_rate_bw]);
}
update_ht_rs = true;
}
highest_rate_bw_bmp = BW_CAP_20M;
highest_rate_bw = CHANNEL_WIDTH_20;
for (bw = CHANNEL_WIDTH_20; bw <= CHANNEL_WIDTH_160; bw++) {
if (rf_ctl->rate_bmp_vht_by_bw[highest_rate_bw] < rf_ctl->rate_bmp_vht_by_bw[bw]) {
highest_rate_bw_bmp = ch_width_to_bw_cap(bw);
highest_rate_bw = bw;
} else if (rf_ctl->rate_bmp_vht_by_bw[highest_rate_bw] == rf_ctl->rate_bmp_vht_by_bw[bw])
highest_rate_bw_bmp |= ch_width_to_bw_cap(bw);
}
rf_ctl->highest_vht_rate_bw_bmp = highest_rate_bw_bmp;
if (ori_highest_vht_rate_bw_bmp != rf_ctl->highest_vht_rate_bw_bmp
|| largest_bit(ori_bmp_vht[highest_rate_bw]) != largest_bit(rf_ctl->rate_bmp_vht_by_bw[highest_rate_bw])
) {
if (DBG_HIGHEST_RATE_BMP_BW_CHANGE) {
RTW_INFO("highest_vht_rate_bw_bmp:0x%02x=>0x%02x\n", ori_highest_vht_rate_bw_bmp, rf_ctl->highest_vht_rate_bw_bmp);
RTW_INFO("rate_bmp_vht_by_bw[%u]:0x%08x=>0x%08x\n", highest_rate_bw, ori_bmp_vht[highest_rate_bw], rf_ctl->rate_bmp_vht_by_bw[highest_rate_bw]);
}
update_vht_rs = true;
}
/* TODO: per rfpath and rate section handling? */
if (update_ht_rs || update_vht_rs == true)
rtw_hal_set_tx_power_level(dvobj_get_primary_adapter(dvobj), hal_data->current_channel);
}
}
inline u16 rtw_get_tx_rate_bmp_cck_ofdm(struct dvobj_priv *dvobj)
{
struct rf_ctl_t *rf_ctl = dvobj_to_rfctl(dvobj);
return rf_ctl->rate_bmp_cck_ofdm;
}
inline u32 rtw_get_tx_rate_bmp_ht_by_bw(struct dvobj_priv *dvobj, u8 bw)
{
struct rf_ctl_t *rf_ctl = dvobj_to_rfctl(dvobj);
return rf_ctl->rate_bmp_ht_by_bw[bw];
}
inline u32 rtw_get_tx_rate_bmp_vht_by_bw(struct dvobj_priv *dvobj, u8 bw)
{
struct rf_ctl_t *rf_ctl = dvobj_to_rfctl(dvobj);
return rf_ctl->rate_bmp_vht_by_bw[bw];
}
u8 rtw_get_tx_bw_bmp_of_ht_rate(struct dvobj_priv *dvobj, u8 rate, u8 max_bw)
{
struct rf_ctl_t *rf_ctl = dvobj_to_rfctl(dvobj);
u8 bw;
u8 bw_bmp = 0;
u32 rate_bmp;
if (!IS_HT_RATE(rate)) {
rtw_warn_on(1);
goto exit;
}
rate_bmp = 1 << (rate - MGN_MCS0);
if (max_bw > CHANNEL_WIDTH_40)
max_bw = CHANNEL_WIDTH_40;
for (bw = CHANNEL_WIDTH_20; bw <= max_bw; bw++) {
/* RA may use lower rate for retry */
if (rf_ctl->rate_bmp_ht_by_bw[bw] >= rate_bmp)
bw_bmp |= ch_width_to_bw_cap(bw);
}
exit:
return bw_bmp;
}
u8 rtw_get_tx_bw_bmp_of_vht_rate(struct dvobj_priv *dvobj, u8 rate, u8 max_bw)
{
struct rf_ctl_t *rf_ctl = dvobj_to_rfctl(dvobj);
u8 bw;
u8 bw_bmp = 0;
u32 rate_bmp;
if (!IS_VHT_RATE(rate)) {
rtw_warn_on(1);
goto exit;
}
rate_bmp = 1 << (rate - MGN_VHT1SS_MCS0);
if (max_bw > CHANNEL_WIDTH_160)
max_bw = CHANNEL_WIDTH_160;
for (bw = CHANNEL_WIDTH_20; bw <= max_bw; bw++) {
/* RA may use lower rate for retry */
if (rf_ctl->rate_bmp_vht_by_bw[bw] >= rate_bmp)
bw_bmp |= ch_width_to_bw_cap(bw);
}
exit:
return bw_bmp;
}
u8 query_ra_short_GI(struct sta_info *psta, u8 bw)
{
u8 sgi = false, sgi_20m = false, sgi_40m = false, sgi_80m = false;
sgi_20m = psta->htpriv.sgi_20m;
sgi_40m = psta->htpriv.sgi_40m;
switch (bw) {
case CHANNEL_WIDTH_80:
sgi = sgi_80m;
break;
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(_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->psta)
{
psta = pattrib->psta;
}
else
{
RTW_INFO("%s, call rtw_get_stainfo()\n", __func__);
psta=rtw_get_stainfo(&padapter->stapriv ,&pattrib->ra[0] );
}
if(psta==NULL)
{
RTW_INFO("%s, psta==NUL\n", __func__);
return;
}
if(!(psta->state &_FW_LINKED))
{
RTW_INFO("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
return;
}
*/
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) &&
(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)) {
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) {
/* u8 driver_vcs_en; */ /* Enable=1, Disable=0 driver control vrtl_carrier_sense. */
/* u8 driver_vcs_type; */ /* force 0:disable VCS, 1:RTS-CTS, 2:CTS-to-self when vcs_en=1. */
pattrib->vcs_mode = padapter->driver_vcs_type;
}
}
static void update_attrib_phy_info(_adapter *padapter, struct pkt_attrib *pattrib, struct sta_info *psta)
{
struct mlme_ext_priv *mlmeext = &padapter->mlmeextpriv;
u8 bw;
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;
bw = rtw_get_tx_bw_mode(padapter, psta);
pattrib->bwmode = rtw_min(bw, mlmeext->cur_bwmode);
pattrib->sgi = query_ra_short_GI(psta, pattrib->bwmode);
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;
/* 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;
if (psta->htpriv.tx_amsdu_enable)
pattrib->amsdu_ampdu_en = true;
else
pattrib->amsdu_ampdu_en = false;
}
}
/* if(pattrib->ht_en && psta->htpriv.ampdu_enable) */
/* { */
/* if(psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority)) */
/* pattrib->ampdu_en = true; */
/* } */
#ifdef CONFIG_TDLS
if (pattrib->direct_link) {
psta = pattrib->ptdls_sta;
pattrib->raid = psta->raid;
pattrib->bwmode = rtw_get_tx_bw_mode(padapter, psta);
pattrib->ht_en = psta->htpriv.ht_option;
pattrib->ch_offset = psta->htpriv.ch_offset;
pattrib->sgi = query_ra_short_GI(psta, pattrib->bwmode);
}
#endif /* CONFIG_TDLS */
pattrib->retry_ctrl = false;
#ifdef CONFIG_AUTO_AP_MODE
if (psta->isrc && psta->pid > 0)
pattrib->pctrl = true;
#endif
}
static s32 update_attrib_sec_info(_adapter *padapter, struct pkt_attrib *pattrib, struct sta_info *psta)
{
sint res = _SUCCESS;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
sint 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) {
pattrib->encrypt = 0;
if ((pattrib->ether_type != 0x888e) && (check_fwstate(pmlmepriv, WIFI_MP_STATE) == false)) {
#ifdef DBG_TX_DROP_FRAME
RTW_INFO("DBG_TX_DROP_FRAME %s psta->ieee8021x_blocked, pattrib->ether_type(%04x) != 0x888e\n", __func__, pattrib->ether_type);
#endif
res = _FAIL;
goto exit;
}
} else {
GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast);
#ifdef CONFIG_WAPI_SUPPORT
if (pattrib->ether_type == 0x88B4)
pattrib->encrypt = _NO_PRIVACY_;
#endif
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_;
}
#ifdef CONFIG_TDLS
if (pattrib->direct_link) {
if (pattrib->encrypt > 0)
pattrib->encrypt = _AES_;
}
#endif
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) {
#ifdef DBG_TX_DROP_FRAME
RTW_INFO("DBG_TX_DROP_FRAME %s psecuritypriv->busetkipkey(%d)==_FAIL drop packet\n", __func__, psecuritypriv->busetkipkey);
#endif
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;
#ifdef CONFIG_WAPI_SUPPORT
case _SMS4_:
pattrib->iv_len = 18;
pattrib->icv_len = 16;
rtw_wapi_get_iv(padapter, pattrib->ra, pattrib->iv);
break;
#endif
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 == false))) {
pattrib->bswenc = true;
} else {
pattrib->bswenc = false;
}
#if defined(CONFIG_CONCURRENT_MODE)
pattrib->bmc_camid = padapter->securitypriv.dot118021x_bmc_cam_id;
#endif
if (pattrib->encrypt && bmcast && _rtw_camctl_chk_flags(padapter, SEC_STATUS_STA_PK_GK_CONFLICT_DIS_BMC_SEARCH))
pattrib->bswenc = true;
#ifdef CONFIG_WAPI_SUPPORT
if (pattrib->encrypt == _SMS4_)
pattrib->bswenc = false;
#endif
exit:
return res;
}
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:
RTW_INFO("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 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 = (ntohs(ip_hdr.tos) >> 5) & 0x3; */
UserPriority = ip_hdr.tos >> 5;
}
/*
else if (pattrib->ether_type == 0x888e) {
UserPriority = 7;
}
*/
pattrib->priority = UserPriority;
pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN;
pattrib->subtype = WIFI_QOS_DATA_TYPE;
}
#ifdef CONFIG_TDLS
u8 rtw_check_tdls_established(_adapter *padapter, struct pkt_attrib *pattrib)
{
pattrib->ptdls_sta = NULL;
pattrib->direct_link = false;
if (padapter->tdlsinfo.link_established) {
pattrib->ptdls_sta = rtw_get_stainfo(&padapter->stapriv, pattrib->dst);
if ((pattrib->ptdls_sta != NULL) &&
(pattrib->ptdls_sta->tdls_sta_state & TDLS_LINKED_STATE) &&
(pattrib->ether_type != 0x0806)) {
pattrib->direct_link = true;
}
}
return pattrib->direct_link;
}
s32 update_tdls_attrib(_adapter *padapter, struct pkt_attrib *pattrib)
{
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct qos_priv *pqospriv = &pmlmepriv->qospriv;
s32 res = _SUCCESS;
psta = rtw_get_stainfo(pstapriv, pattrib->ra);
if (psta == NULL) {
res = _FAIL;
goto exit;
}
pattrib->mac_id = psta->mac_id;
pattrib->psta = psta;
pattrib->ack_policy = 0;
/* get ether_hdr_len */
pattrib->pkt_hdrlen = ETH_HLEN;
/* [TDLS] TODO: setup req/rsp should be AC_BK */
if (pqospriv->qos_option && psta->qos_option) {
pattrib->priority = 4; /* tdls management frame should be AC_VI */
pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN;
pattrib->subtype = WIFI_QOS_DATA_TYPE;
} else {
pattrib->priority = 0;
pattrib->hdrlen = WLAN_HDR_A3_LEN;
pattrib->subtype = WIFI_DATA_TYPE;
}
/* TODO:_lock */
if (update_attrib_sec_info(padapter, pattrib, psta) == _FAIL) {
res = _FAIL;
goto exit;
}
update_attrib_phy_info(padapter, pattrib, psta);
exit:
return res;
}
#endif /* CONFIG_TDLS */
/*get non-qos hw_ssn control register,mapping to REG_HW_SEQ0,1,2,3*/
inline u8 rtw_get_hwseq_no(_adapter *padapter)
{
u8 hwseq_num = 0;
#ifdef CONFIG_CONCURRENT_MODE
if (padapter->adapter_type != PRIMARY_ADAPTER)
hwseq_num = 1;
/* else */
/* hwseq_num = 2; */
#endif /* CONFIG_CONCURRENT_MODE */
return hwseq_num;
}
static s32 update_attrib(_adapter *padapter, _pkt *pkt, struct pkt_attrib *pattrib)
{
uint i;
struct pkt_file pktfile;
struct sta_info *psta = NULL;
struct ethhdr etherhdr;
sint 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;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
sint res = _SUCCESS;
DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib);
_rtw_open_pktfile(pkt, &pktfile);
i = _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)) ||
(check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE))) {
memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
memcpy(pattrib->ta, adapter_mac_addr(padapter), ETH_ALEN);
DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_adhoc);
} else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
#ifdef CONFIG_TDLS
if (rtw_check_tdls_established(padapter, pattrib))
memcpy(pattrib->ra, pattrib->dst, ETH_ALEN); /* For TDLS direct link Tx, set ra to be same to dst */
else
#endif
memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN);
memcpy(pattrib->ta, adapter_mac_addr(padapter), ETH_ALEN);
DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_sta);
} else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN);
DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_ap);
} else
DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_unknown);
bmcast = IS_MCAST(pattrib->ra);
if (bmcast) {
psta = rtw_get_bcmc_stainfo(padapter);
if (psta == NULL) { /* if we cannot get psta => drop the pkt */
DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_sta);
#ifdef DBG_TX_DROP_FRAME
RTW_INFO("DBG_TX_DROP_FRAME %s get sta_info fail, ra:" MAC_FMT"\n", __func__, MAC_ARG(pattrib->ra));
#endif
res = _FAIL;
goto exit;
}
} else {
psta = rtw_get_stainfo(pstapriv, pattrib->ra);
if (psta == NULL) { /* if we cannot get psta => drop the pkt */
DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_ucast_sta);
#ifdef DBG_TX_DROP_FRAME
RTW_INFO("DBG_TX_DROP_FRAME %s get sta_info fail, ra:" MAC_FMT"\n", __func__, MAC_ARG(pattrib->ra));
#endif
res = _FAIL;
goto exit;
} else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) && !(psta->state & _FW_LINKED)) {
DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_ucast_ap_link);
res = _FAIL;
goto exit;
}
}
if (!(psta->state & _FW_LINKED)) {
DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_link);
RTW_INFO("%s-"ADPT_FMT" psta("MAC_FMT")->state(0x%x) != _FW_LINKED\n", __func__, ADPT_ARG(padapter), MAC_ARG(psta->hwaddr), psta->state);
res = _FAIL;
goto exit;
}
pattrib->pktlen = pktfile.pkt_len;
/* TODO: 802.1Q VLAN header */
/* TODO: IPV6 */
if (ETH_P_IP == pattrib->ether_type) {
u8 ip[20];
_rtw_pktfile_read(&pktfile, ip, 20);
if (GET_IPV4_IHL(ip) * 4 > 20)
_rtw_pktfile_read(&pktfile, NULL, GET_IPV4_IHL(ip) - 20);
pattrib->icmp_pkt = 0;
pattrib->dhcp_pkt = 0;
if (GET_IPV4_PROTOCOL(ip) == 0x01) { /* ICMP */
pattrib->icmp_pkt = 1;
DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_icmp);
} else if (GET_IPV4_PROTOCOL(ip) == 0x11) { /* UDP */
u8 udp[8];
_rtw_pktfile_read(&pktfile, udp, 8);
if ((GET_UDP_SRC(udp) == 68 && GET_UDP_DST(udp) == 67)
|| (GET_UDP_SRC(udp) == 67 && GET_UDP_DST(udp) == 68)
) {
/* 67 : UDP BOOTP server, 68 : UDP BOOTP client */
if (pattrib->pktlen > 282) { /* MINIMUM_DHCP_PACKET_SIZE */
pattrib->dhcp_pkt = 1;
DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_dhcp);
if (0)
RTW_INFO("send DHCP packet\n");
}
}
} else if (GET_IPV4_PROTOCOL(ip) == 0x06 /* TCP */
&& rtw_st_ctl_chk_reg_s_proto(&psta->st_ctl, 0x06)
) {
u8 tcp[20];
_rtw_pktfile_read(&pktfile, tcp, 20);
if (rtw_st_ctl_chk_reg_rule(&psta->st_ctl, padapter, IPV4_SRC(ip), TCP_SRC(tcp), IPV4_DST(ip), TCP_DST(tcp))) {
if (GET_TCP_SYN(tcp) && GET_TCP_ACK(tcp)) {
session_tracker_add_cmd(padapter, psta
, IPV4_SRC(ip), TCP_SRC(tcp)
, IPV4_SRC(ip), TCP_DST(tcp));
if (DBG_SESSION_TRACKER)
RTW_INFO(FUNC_ADPT_FMT" local:"IP_FMT":"PORT_FMT", remote:"IP_FMT":"PORT_FMT" SYN-ACK\n"
, FUNC_ADPT_ARG(padapter)
, IP_ARG(IPV4_SRC(ip)), PORT_ARG(TCP_SRC(tcp))
, IP_ARG(IPV4_DST(ip)), PORT_ARG(TCP_DST(tcp)));
}
if (GET_TCP_FIN(tcp)) {
session_tracker_del_cmd(padapter, psta
, IPV4_SRC(ip), TCP_SRC(tcp)
, IPV4_SRC(ip), TCP_DST(tcp));
if (DBG_SESSION_TRACKER)
RTW_INFO(FUNC_ADPT_FMT" local:"IP_FMT":"PORT_FMT", remote:"IP_FMT":"PORT_FMT" FIN\n"
, FUNC_ADPT_ARG(padapter)
, IP_ARG(IPV4_SRC(ip)), PORT_ARG(TCP_SRC(tcp))
, IP_ARG(IPV4_DST(ip)), PORT_ARG(TCP_DST(tcp)));
}
}
}
} else if (0x888e == pattrib->ether_type)
RTW_PRINT("send eapol packet\n");
if ((pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1))
rtw_mi_set_scan_deny(padapter, 3000);
#ifdef CONFIG_LPS
/* If EAPOL , ARP , OR DHCP packet, driver must be in active mode. */
#ifdef CONFIG_WAPI_SUPPORT
if ((pattrib->ether_type == 0x88B4) || (pattrib->ether_type == 0x0806) || (pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1))
#else /* !CONFIG_WAPI_SUPPORT */
if (pattrib->icmp_pkt == 1)
rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1);
else if (pattrib->dhcp_pkt == 1)
#endif
{
DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_active);
rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SPECIAL_PACKET, 1);
}
#endif /* CONFIG_LPS */
#ifdef CONFIG_BEAMFORMING
update_attrib_txbf_info(padapter, pattrib, psta);
#endif
/* TODO:_lock */
if (update_attrib_sec_info(padapter, pattrib, psta) == _FAIL) {
DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_sec);
res = _FAIL;
goto exit;
}
update_attrib_phy_info(padapter, pattrib, psta);
/* RTW_INFO("%s ==> mac_id(%d)\n",__func__,pattrib->mac_id ); */
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 {
#ifdef CONFIG_TDLS
if (pattrib->direct_link) {
if (pattrib->qos_en)
set_qos(&pktfile, pattrib);
} else
#endif
{
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 */
pattrib->hw_ssn_sel = pxmitpriv->hw_ssn_seq_no;
rtw_set_tx_chksum_offload(pkt, pattrib);
exit:
return res;
}
static s32 xmitframe_addmic(_adapter *padapter, struct xmit_frame *pxmitframe)
{
sint curfragnum, length;
u8 *pframe, *payload, mic[8];
struct mic_data micdata;
/* struct sta_info *stainfo; */
struct qos_priv *pqospriv = &(padapter->mlmepriv.qospriv);
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;
sint bmcst = IS_MCAST(pattrib->ra);
/*
if(pattrib->psta)
{
stainfo = pattrib->psta;
}
else
{
RTW_INFO("%s, call rtw_get_stainfo()\n", __func__);
stainfo=rtw_get_stainfo(&padapter->stapriv ,&pattrib->ra[0]);
}
if(stainfo==NULL)
{
RTW_INFO("%s, psta==NUL\n", __func__);
return _FAIL;
}
if(!(stainfo->state &_FW_LINKED))
{
RTW_INFO("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, stainfo->state);
return _FAIL;
}
*/
#ifdef CONFIG_USB_TX_AGGREGATION
hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);;
#else
#ifdef CONFIG_TX_EARLY_MODE
hw_hdr_offset = TXDESC_OFFSET + EARLY_MODE_INFO_SIZE;
#else
hw_hdr_offset = TXDESC_OFFSET;
#endif
#endif
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)) {
/* DbgPrint("\nxmitframe_addmic:stainfo->dot11tkiptxmickey==0\n"); */
/* rtw_msleep_os(10); */
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)) {
/* DbgPrint("\nxmitframe_addmic:stainfo->dot11tkiptxmickey==0\n"); */
/* rtw_msleep_os(10); */
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(pqospriv->qos_option==1) */
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 *)RND4((SIZE_PTR)(payload));
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;
payload = payload - pattrib->last_txcmdsz + 8;
}
}
return _SUCCESS;
}
/*#define DBG_TX_SW_ENCRYPTOR*/
static s32 xmitframe_swencrypt(_adapter *padapter, struct xmit_frame *pxmitframe)
{
struct pkt_attrib *pattrib = &pxmitframe->attrib;
/* struct security_priv *psecuritypriv=&padapter->securitypriv; */
/* if((psecuritypriv->sw_encrypt)||(pattrib->bswenc)) */
if (pattrib->bswenc) {
#ifdef DBG_TX_SW_ENCRYPTOR
RTW_INFO(ADPT_FMT" - sec_type:%s DO SW encryption\n",
ADPT_ARG(padapter), security_type_str(pattrib->encrypt));
#endif
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;
#ifdef CONFIG_WAPI_SUPPORT
case _SMS4_:
rtw_sms4_encrypt(padapter, (u8 *)pxmitframe);
#endif
default:
break;
}
}
return _SUCCESS;
}
s32 rtw_make_wlanhdr(_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;
sint res = _SUCCESS;
__le16 *fctrl = &pwlanhdr->frame_ctl;
/* struct sta_info *psta; */
/* sint bmcst = IS_MCAST(pattrib->ra); */
/*
psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
if(pattrib->psta != psta)
{
RTW_INFO("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta);
return;
}
if(psta==NULL)
{
RTW_INFO("%s, psta==NUL\n", __func__);
return _FAIL;
}
if(!(psta->state &_FW_LINKED))
{
RTW_INFO("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
return _FAIL;
}
*/
memset(hdr, 0, WLANHDR_OFFSET);
set_frame_sub_type(fctrl, pattrib->subtype);
if (pattrib->subtype & WIFI_DATA_TYPE) {
if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE))) {
#ifdef CONFIG_TDLS
if (pattrib->direct_link) {
/* TDLS data transfer, ToDS=0, FrDs=0 */
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
#endif /* CONFIG_TDLS */
{
/* 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->ta, 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 (pattrib->qos_en)
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->ta, 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);
if(pattrib->amsdu)
SetAMsdu(qc, pattrib->amsdu);
}
/* 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) {
RTW_INFO("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta);
return _FAIL;
}
if (psta == NULL) {
RTW_INFO("%s, psta==NUL\n", __func__);
return _FAIL;
}
if (!(psta->state & _FW_LINKED)) {
RTW_INFO("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
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);
/* 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)) {
/* RTW_INFO("tx ampdu seqnum(%d) < tx_seq(%d)\n", 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 {
/* RTW_INFO("tx ampdu over run\n"); */
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(_adapter *padapter)
{
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
return ((_rtw_queue_empty(&pxmitpriv->be_pending) == false) ||
(_rtw_queue_empty(&pxmitpriv->bk_pending) == false) ||
(_rtw_queue_empty(&pxmitpriv->vi_pending) == false) ||
(_rtw_queue_empty(&pxmitpriv->vo_pending) == false));
}
s32 rtw_txframes_sta_ac_pending(_adapter *padapter, struct pkt_attrib *pattrib)
{
struct sta_info *psta;
struct tx_servq *ptxservq;
int priority = pattrib->priority;
/*
if(pattrib->psta)
{
psta = pattrib->psta;
}
else
{
RTW_INFO("%s, call rtw_get_stainfo()\n", __func__);
psta=rtw_get_stainfo(&padapter->stapriv ,&pattrib->ra[0]);
}
*/
psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
if (pattrib->psta != psta) {
RTW_INFO("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta);
return 0;
}
if (psta == NULL) {
RTW_INFO("%s, psta==NUL\n", __func__);
return 0;
}
if (!(psta->state & _FW_LINKED)) {
RTW_INFO("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
return 0;
}
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;
}
#ifdef CONFIG_TDLS
int rtw_build_tdls_ies(_adapter *padapter, struct xmit_frame *pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt)
{
int res = _SUCCESS;
switch (ptxmgmt->action_code) {
case TDLS_SETUP_REQUEST:
rtw_build_tdls_setup_req_ies(padapter, pxmitframe, pframe, ptxmgmt);
break;
case TDLS_SETUP_RESPONSE:
rtw_build_tdls_setup_rsp_ies(padapter, pxmitframe, pframe, ptxmgmt);
break;
case TDLS_SETUP_CONFIRM:
rtw_build_tdls_setup_cfm_ies(padapter, pxmitframe, pframe, ptxmgmt);
break;
case TDLS_TEARDOWN:
rtw_build_tdls_teardown_ies(padapter, pxmitframe, pframe, ptxmgmt);
break;
case TDLS_DISCOVERY_REQUEST:
rtw_build_tdls_dis_req_ies(padapter, pxmitframe, pframe, ptxmgmt);
break;
case TDLS_PEER_TRAFFIC_INDICATION:
rtw_build_tdls_peer_traffic_indication_ies(padapter, pxmitframe, pframe, ptxmgmt);
break;
#ifdef CONFIG_TDLS_CH_SW
case TDLS_CHANNEL_SWITCH_REQUEST:
rtw_build_tdls_ch_switch_req_ies(padapter, pxmitframe, pframe, ptxmgmt);
break;
case TDLS_CHANNEL_SWITCH_RESPONSE:
rtw_build_tdls_ch_switch_rsp_ies(padapter, pxmitframe, pframe, ptxmgmt);
break;
#endif
case TDLS_PEER_TRAFFIC_RESPONSE:
rtw_build_tdls_peer_traffic_rsp_ies(padapter, pxmitframe, pframe, ptxmgmt);
break;
#ifdef CONFIG_WFD
case TUNNELED_PROBE_REQ:
rtw_build_tunneled_probe_req_ies(padapter, pxmitframe, pframe);
break;
case TUNNELED_PROBE_RSP:
rtw_build_tunneled_probe_rsp_ies(padapter, pxmitframe, pframe);
break;
#endif /* CONFIG_WFD */
default:
res = _FAIL;
break;
}
return res;
}
s32 rtw_make_tdls_wlanhdr(_adapter *padapter , u8 *hdr, struct pkt_attrib *pattrib, struct tdls_txmgmt *ptxmgmt)
{
u16 *qc;
struct rtw_ieee80211_hdr *pwlanhdr = (struct rtw_ieee80211_hdr *)hdr;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct qos_priv *pqospriv = &pmlmepriv->qospriv;
struct sta_priv *pstapriv = &padapter->stapriv;
struct sta_info *psta = NULL, *ptdls_sta = NULL;
u8 tdls_seq = 0, baddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
sint res = _SUCCESS;
u16 *fctrl = &pwlanhdr->frame_ctl;
memset(hdr, 0, WLANHDR_OFFSET);
set_frame_sub_type(fctrl, pattrib->subtype);
switch (ptxmgmt->action_code) {
case TDLS_SETUP_REQUEST:
case TDLS_SETUP_RESPONSE:
case TDLS_SETUP_CONFIRM:
case TDLS_PEER_TRAFFIC_INDICATION:
case TDLS_PEER_PSM_REQUEST:
case TUNNELED_PROBE_REQ:
case TUNNELED_PROBE_RSP:
case TDLS_DISCOVERY_REQUEST:
SetToDs(fctrl);
memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN);
memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN);
break;
case TDLS_CHANNEL_SWITCH_REQUEST:
case TDLS_CHANNEL_SWITCH_RESPONSE:
case TDLS_PEER_PSM_RESPONSE:
case TDLS_PEER_TRAFFIC_RESPONSE:
memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN);
tdls_seq = 1;
break;
case TDLS_TEARDOWN:
if (ptxmgmt->status_code == _RSON_TDLS_TEAR_UN_RSN_) {
memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN);
tdls_seq = 1;
} else {
SetToDs(fctrl);
memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN);
memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN);
}
break;
}
if (pattrib->encrypt)
SetPrivacy(fctrl);
if (ptxmgmt->action_code == TDLS_PEER_TRAFFIC_RESPONSE)
SetPwrMgt(fctrl);
if (pqospriv->qos_option) {
qc = (unsigned short *)(hdr + pattrib->hdrlen - 2);
if (pattrib->priority)
SetPriority(qc, pattrib->priority);
SetAckpolicy(qc, pattrib->ack_policy);
}
psta = pattrib->psta;
/* 1. update seq_num per link by sta_info */
/* 2. rewrite encrypt to _AES_, also rewrite iv_len, icv_len */
if (tdls_seq == 1) {
ptdls_sta = rtw_get_stainfo(pstapriv, pattrib->dst);
if (ptdls_sta) {
ptdls_sta->sta_xmitpriv.txseq_tid[pattrib->priority]++;
ptdls_sta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF;
pattrib->seqnum = ptdls_sta->sta_xmitpriv.txseq_tid[pattrib->priority];
SetSeqNum(hdr, pattrib->seqnum);
if (pattrib->encrypt) {
pattrib->encrypt = _AES_;
pattrib->iv_len = 8;
pattrib->icv_len = 8;
pattrib->bswenc = false;
}
pattrib->mac_id = ptdls_sta->mac_id;
} else {
res = _FAIL;
goto exit;
}
} else 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);
}
exit:
return res;
}
s32 rtw_xmit_tdls_coalesce(_adapter *padapter, struct xmit_frame *pxmitframe, struct tdls_txmgmt *ptxmgmt)
{
s32 llc_sz;
u8 *pframe, *mem_start;
struct sta_info *psta;
struct sta_priv *pstapriv = &padapter->stapriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
u8 *pbuf_start;
s32 bmcst = IS_MCAST(pattrib->ra);
s32 res = _SUCCESS;
if (pattrib->psta)
psta = pattrib->psta;
else {
if (bmcst)
psta = rtw_get_bcmc_stainfo(padapter);
else
psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
}
if (psta == NULL) {
res = _FAIL;
goto exit;
}
if (pxmitframe->buf_addr == NULL) {
res = _FAIL;
goto exit;
}
pbuf_start = pxmitframe->buf_addr;
mem_start = pbuf_start + TXDESC_OFFSET;
if (rtw_make_tdls_wlanhdr(padapter, mem_start, pattrib, ptxmgmt) == _FAIL) {
res = _FAIL;
goto exit;
}
pframe = mem_start;
pframe += pattrib->hdrlen;
/* adding icv, if necessary... */
if (pattrib->iv_len) {
if (psta != NULL) {
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);
pframe += pattrib->iv_len;
}
llc_sz = rtw_put_snap(pframe, pattrib->ether_type);
pframe += llc_sz;
/* pattrib->pktlen will be counted in rtw_build_tdls_ies */
pattrib->pktlen = 0;
rtw_build_tdls_ies(padapter, pxmitframe, pframe, ptxmgmt);
if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
pframe += pattrib->pktlen;
memcpy(pframe, pattrib->icv, pattrib->icv_len);
pframe += pattrib->icv_len;
}
pattrib->nr_frags = 1;
pattrib->last_txcmdsz = pattrib->hdrlen + pattrib->iv_len + llc_sz +
((pattrib->bswenc) ? pattrib->icv_len : 0) + pattrib->pktlen;
if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) {
res = _FAIL;
goto exit;
}
xmitframe_swencrypt(padapter, pxmitframe);
update_attrib_vcs_info(padapter, pxmitframe);
exit:
return res;
}
#endif /* CONFIG_TDLS */
/*
* 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;
}
#ifdef CONFIG_TX_AMSDU
s32 check_amsdu(struct xmit_frame *pxmitframe)
{
struct pkt_attrib *pattrib;
s32 ret = true;
if (!pxmitframe)
ret = false;
pattrib = &pxmitframe->attrib;
if (IS_MCAST(pattrib->ra))
ret = false;
if ((pattrib->ether_type == 0x888e) ||
(pattrib->ether_type == 0x0806) ||
(pattrib->ether_type == 0x88b4) ||
(pattrib->dhcp_pkt == 1))
ret = false;
if ((pattrib->encrypt == _WEP40_) ||
(pattrib->encrypt == _WEP104_) ||
(pattrib->encrypt == _TKIP_))
ret = false;
if (!pattrib->qos_en)
ret = false;
return ret;
}
s32 check_amsdu_tx_support(_adapter *padapter)
{
struct dvobj_priv *pdvobjpriv;
int tx_amsdu;
int tx_amsdu_rate;
int current_tx_rate;
s32 ret = false;
pdvobjpriv = adapter_to_dvobj(padapter);
tx_amsdu = padapter->tx_amsdu;
tx_amsdu_rate = padapter->tx_amsdu_rate;
current_tx_rate = pdvobjpriv->traffic_stat.cur_tx_tp;
if (tx_amsdu == 1)
ret = true;
else if (tx_amsdu == 2 && (tx_amsdu_rate == 0 || current_tx_rate > tx_amsdu_rate))
ret = true;
else
ret = false;
return ret;
}
s32 rtw_xmitframe_coalesce_amsdu(_adapter *padapter, struct xmit_frame *pxmitframe, struct xmit_frame *pxmitframe_queue)
{
struct pkt_file pktfile;
struct pkt_attrib *pattrib;
_pkt *pkt;
struct pkt_file pktfile_queue;
struct pkt_attrib *pattrib_queue;
_pkt *pkt_queue;
s32 llc_sz, mem_sz;
s32 padding = 0;
u8 *pframe, *mem_start;
u8 hw_hdr_offset;
u16* len;
u8 *pbuf_start;
s32 res = _SUCCESS;
if (pxmitframe->buf_addr == NULL) {
RTW_INFO("==> %s buf_addr==NULL\n", __func__);
return _FAIL;
}
pbuf_start = pxmitframe->buf_addr;
#ifdef CONFIG_USB_TX_AGGREGATION
hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);
#else
#ifdef CONFIG_TX_EARLY_MODE /* for SDIO && Tx Agg */
hw_hdr_offset = TXDESC_OFFSET + EARLY_MODE_INFO_SIZE;
#else
hw_hdr_offset = TXDESC_OFFSET;
#endif
#endif
mem_start = pbuf_start + hw_hdr_offset; //for DMA
pattrib = &pxmitframe->attrib;
pattrib->amsdu = 1;
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"));
RTW_INFO("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n");
res = _FAIL;
goto exit;
}
llc_sz = 0;
pframe = mem_start;
//SetMFrag(mem_start);
ClearMFrag(mem_start);
pframe += pattrib->hdrlen;
/* adding icv, if necessary... */
if (pattrib->iv_len) {
memcpy(pframe, pattrib->iv, pattrib->iv_len); // queue or new?
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;
}
pattrib->last_txcmdsz = pattrib->hdrlen + pattrib->iv_len;
if(pxmitframe_queue)
{
pattrib_queue = &pxmitframe_queue->attrib;
pkt_queue = pxmitframe_queue->pkt;
_rtw_open_pktfile(pkt_queue, &pktfile_queue);
_rtw_pktfile_read(&pktfile_queue, NULL, pattrib_queue->pkt_hdrlen);
/* 802.3 MAC Header DA(6) SA(6) Len(2)*/
memcpy(pframe, pattrib_queue->dst, ETH_ALEN);
pframe += ETH_ALEN;
memcpy(pframe, pattrib_queue->src, ETH_ALEN);
pframe += ETH_ALEN;
len = (u16*) pframe;
pframe += 2;
llc_sz = rtw_put_snap(pframe, pattrib_queue->ether_type);
pframe += llc_sz;
mem_sz = _rtw_pktfile_read(&pktfile_queue, pframe, pattrib_queue->pktlen);
pframe += mem_sz;
*len = htons(llc_sz + mem_sz);
//calc padding
padding = 4 - ((ETH_HLEN + llc_sz + mem_sz) & (4-1));
if(padding == 4)
padding = 0;
//memset(pframe,0xaa, padding);
pframe += padding;
pattrib->last_txcmdsz += ETH_HLEN + llc_sz + mem_sz + padding ;
}
//2nd mpdu
pkt = pxmitframe->pkt;
_rtw_open_pktfile(pkt, &pktfile);
_rtw_pktfile_read(&pktfile, NULL, pattrib->pkt_hdrlen);
/* 802.3 MAC Header DA(6) SA(6) Len(2) */
memcpy(pframe, pattrib->dst, ETH_ALEN);
pframe += ETH_ALEN;
memcpy(pframe, pattrib->src, ETH_ALEN);
pframe += ETH_ALEN;
len = (u16*) pframe;
pframe += 2;
llc_sz = rtw_put_snap(pframe, pattrib->ether_type);
pframe += llc_sz;
mem_sz = _rtw_pktfile_read(&pktfile, pframe, pattrib->pktlen);
pframe += mem_sz;
*len = htons(llc_sz + mem_sz);
//the last ampdu has no padding
padding = 0;
pattrib->nr_frags = 1;
pattrib->last_txcmdsz += ETH_HLEN + llc_sz + mem_sz + padding +
((pattrib->bswenc) ? pattrib->icv_len : 0) ;
if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
memcpy(pframe, pattrib->icv, pattrib->icv_len);
pframe += pattrib->icv_len;
}
if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic(padapter, pxmitframe)==_FAIL\n"));
RTW_INFO("xmitframe_addmic(padapter, pxmitframe)==_FAIL\n");
res = _FAIL;
goto exit;
}
xmitframe_swencrypt(padapter, pxmitframe);
pattrib->vcs_mode = NONE_VCS;
exit:
return res;
}
#endif /* CONFIG_TX_AMSDU */
/*
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(_adapter *padapter, _pkt *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 sta_info *psta; */
/* struct sta_priv *pstapriv = &padapter->stapriv; */
/* struct mlme_priv *pmlmepriv = &padapter->mlmepriv; */
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 (pattrib->psta)
{
psta = pattrib->psta;
} else
{
RTW_INFO("%s, call rtw_get_stainfo()\n", __func__);
psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
}
if(psta==NULL)
{
RTW_INFO("%s, psta==NUL\n", __func__);
return _FAIL;
}
if(!(psta->state &_FW_LINKED))
{
RTW_INFO("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
return _FAIL;
}
*/
if (pxmitframe->buf_addr == NULL) {
RTW_INFO("==> %s buf_addr==NULL\n", __func__);
return _FAIL;
}
pbuf_start = pxmitframe->buf_addr;
#ifdef CONFIG_USB_TX_AGGREGATION
hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);
#else
#ifdef CONFIG_TX_EARLY_MODE /* for SDIO && Tx Agg */
hw_hdr_offset = TXDESC_OFFSET + EARLY_MODE_INFO_SIZE;
#else
hw_hdr_offset = TXDESC_OFFSET;
#endif
#endif
mem_start = pbuf_start + hw_hdr_offset;
if (rtw_make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) {
RTW_INFO("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) {
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 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;
}
addr = (SIZE_PTR)(pframe);
mem_start = (unsigned char *)RND4(addr) + hw_hdr_offset;
memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen);
}
if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) {
RTW_INFO("xmitframe_addmic(padapter, pxmitframe)==_FAIL\n");
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;
}
#ifdef CONFIG_IEEE80211W
/* broadcast or multicast management pkt use BIP, unicast management pkt use CCMP encryption */
s32 rtw_mgmt_xmitframe_coalesce(_adapter *padapter, _pkt *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 = NULL, *tmp_buf = NULL;
u8 hw_hdr_offset, subtype ;
struct sta_info *psta = NULL;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
u8 *pbuf_start;
s32 bmcst = IS_MCAST(pattrib->ra);
s32 res = _FAIL;
u8 *BIP_AAD = NULL;
u8 *MGMT_body = NULL;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct rtw_ieee80211_hdr *pwlanhdr;
u8 MME[_MME_IE_LENGTH_];
unsigned long irqL;
u32 ori_len;
mem_start = pframe = (u8 *)(pxmitframe->buf_addr) + TXDESC_OFFSET;
pwlanhdr = (struct rtw_ieee80211_hdr *)pframe;
ori_len = BIP_AAD_SIZE + pattrib->pktlen;
tmp_buf = BIP_AAD = rtw_zmalloc(ori_len);
subtype = get_frame_sub_type(pframe); /* bit(7)~bit(2) */
if (BIP_AAD == NULL)
return _FAIL;
_enter_critical_bh(&padapter->security_key_mutex, &irqL);
/* IGTK key is not install, it may not support 802.11w */
if (padapter->securitypriv.binstallBIPkey != true) {
RTW_INFO("no instll BIP key\n");
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, _MME_IE_LENGTH_);
/* other types doesn't need the BIP */
if (get_frame_sub_type(pframe) != WIFI_DEAUTH && get_frame_sub_type(pframe) != WIFI_DISASSOC)
goto xmitframe_coalesce_fail;
MGMT_body = pframe + sizeof(struct rtw_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, _MME_IE_ , 16 , MME, &(pattrib->pktlen));
pattrib->last_txcmdsz = pattrib->pktlen;
/* total frame length - header length */
frame_body_len = pattrib->pktlen - sizeof(struct rtw_ieee80211_hdr_3addr);
/* conscruct AAD, copy frame control field */
memcpy(BIP_AAD, &pwlanhdr->frame_ctl, 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 == NULL) {
RTW_INFO("%s, psta==NUL\n", __func__);
goto xmitframe_coalesce_fail;
}
if (pxmitframe->buf_addr == NULL) {
RTW_INFO("%s, pxmitframe->buf_addr\n", __func__);
goto xmitframe_coalesce_fail;
}
/* RTW_INFO("%s, action frame category=%d\n", __func__, pframe[WLAN_HDR_A3_LEN]); */
/* 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 */
/*{
int i;
RTW_INFO("Management pkt: ");
for(i=0; i<pattrib->pktlen; i++)
RTW_INFO(" %02x ", pframe[i]);
RTW_INFO("=======\n");
}*/
if (pattrib->encrypt > 0)
memcpy(pattrib->dot118021x_UncstKey.skey, psta->dot118021x_UncstKey.skey, 16);
/* To use wrong key */
if (pattrib->key_type == IEEE80211W_WRONG_KEY) {
RTW_INFO("use wrong key\n");
pattrib->dot118021x_UncstKey.skey[0] = 0xff;
}
/* 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:
_exit_critical_bh(&padapter->security_key_mutex, &irqL);
rtw_mfree(BIP_AAD, ori_len);
return _SUCCESS;
xmitframe_coalesce_fail:
_exit_critical_bh(&padapter->security_key_mutex, &irqL);
rtw_mfree(BIP_AAD, ori_len);
return _FAIL;
}
#endif /* CONFIG_IEEE80211W */
/* 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(_adapter *padapter, u8 *ie, uint ie_len)
{
uint protection;
u8 *perp;
sint 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(PADAPTER 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) {
#if defined(CONFIG_USB_TX_AGGREGATION)
pkt_num = pxmitframe->agg_num;
#endif
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;
#ifdef CONFIG_TDLS
if (pxmitframe->attrib.ptdls_sta != NULL) {
pstats = &(pxmitframe->attrib.ptdls_sta->sta_stats);
pstats->tx_pkts += pkt_num;
pstats->tx_bytes += sz;
}
#endif /* CONFIG_TDLS */
}
#ifdef CONFIG_CHECK_LEAVE_LPS
/* traffic_check_for_leave_lps(padapter, true); */
#endif /* CONFIG_LPS */
}
}
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 != NULL) {
pxmitbuf->priv_data = NULL;
if (pxmitbuf->sctx) {
RTW_INFO("%s pxmitbuf->sctx is not NULL\n", __func__);
rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
}
} else
RTW_INFO("%s fail, no xmitbuf available !!!\n", __func__);
exit:
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 == NULL) {
RTW_INFO("%s, alloc xmitframe fail\n", __func__);
return NULL;
}
pxmitbuf = __rtw_alloc_cmd_xmitbuf(pxmitpriv, buf_type);
if (pxmitbuf == NULL) {
RTW_INFO("%s, alloc xmitbuf fail\n", __func__);
rtw_free_xmitframe(pxmitpriv, pcmdframe);
return NULL;
}
pcmdframe->frame_tag = MGNT_FRAMETAG;
pcmdframe->pxmitbuf = pxmitbuf;
pcmdframe->buf_addr = pxmitbuf->pbuf;
/* initial memory to zero */
memset(pcmdframe->buf_addr, 0, pxmitbuf->alloc_sz);
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;
_list *plist, *phead;
_queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
_enter_critical(&pfree_queue->lock, &irqL);
if (_rtw_queue_empty(pfree_queue))
pxmitbuf = NULL;
else {
phead = get_list_head(pfree_queue);
plist = get_next(phead);
pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
list_del_init(&(pxmitbuf->list));
}
if (pxmitbuf != NULL) {
pxmitpriv->free_xmit_extbuf_cnt--;
#ifdef DBG_XMIT_BUF_EXT
RTW_INFO("DBG_XMIT_BUF_EXT ALLOC no=%d, free_xmit_extbuf_cnt=%d\n", pxmitbuf->no, pxmitpriv->free_xmit_extbuf_cnt);
#endif
pxmitbuf->priv_data = NULL;
if (pxmitbuf->sctx) {
RTW_INFO("%s pxmitbuf->sctx is not NULL\n", __func__);
rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
}
}
_exit_critical(&pfree_queue->lock, &irqL);
return pxmitbuf;
}
s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
{
unsigned long irqL;
_queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
if (pxmitbuf == NULL)
return _FAIL;
_enter_critical(&pfree_queue->lock, &irqL);
list_del_init(&pxmitbuf->list);
list_add_tail(&(pxmitbuf->list), get_list_head(pfree_queue));
pxmitpriv->free_xmit_extbuf_cnt++;
#ifdef DBG_XMIT_BUF_EXT
RTW_INFO("DBG_XMIT_BUF_EXT FREE no=%d, free_xmit_extbuf_cnt=%d\n", pxmitbuf->no , pxmitpriv->free_xmit_extbuf_cnt);
#endif
_exit_critical(&pfree_queue->lock, &irqL);
return _SUCCESS;
}
struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv)
{
unsigned long irqL;
struct xmit_buf *pxmitbuf = NULL;
_list *plist, *phead;
_queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
/* RTW_INFO("+rtw_alloc_xmitbuf\n"); */
_enter_critical(&pfree_xmitbuf_queue->lock, &irqL);
if (_rtw_queue_empty(pfree_xmitbuf_queue))
pxmitbuf = NULL;
else {
phead = get_list_head(pfree_xmitbuf_queue);
plist = get_next(phead);
pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
list_del_init(&(pxmitbuf->list));
}
if (pxmitbuf != NULL) {
pxmitpriv->free_xmitbuf_cnt--;
#ifdef DBG_XMIT_BUF
RTW_INFO("DBG_XMIT_BUF ALLOC no=%d, free_xmitbuf_cnt=%d\n", pxmitbuf->no, pxmitpriv->free_xmitbuf_cnt);
#endif
/* RTW_INFO("alloc, free_xmitbuf_cnt=%d\n", pxmitpriv->free_xmitbuf_cnt); */
pxmitbuf->priv_data = NULL;
if (pxmitbuf->sctx) {
RTW_INFO("%s pxmitbuf->sctx is not NULL\n", __func__);
rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
}
}
#ifdef DBG_XMIT_BUF
else
RTW_INFO("DBG_XMIT_BUF rtw_alloc_xmitbuf return NULL\n");
#endif
_exit_critical(&pfree_xmitbuf_queue->lock, &irqL);
return pxmitbuf;
}
s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
{
unsigned long irqL;
_queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
/* RTW_INFO("+rtw_free_xmitbuf\n"); */
if (pxmitbuf == NULL)
return _FAIL;
if (pxmitbuf->sctx) {
RTW_INFO("%s pxmitbuf->sctx is not NULL\n", __func__);
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 {
_enter_critical(&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++;
/* RTW_INFO("FREE, free_xmitbuf_cnt=%d\n", pxmitpriv->free_xmitbuf_cnt); */
#ifdef DBG_XMIT_BUF
RTW_INFO("DBG_XMIT_BUF FREE no=%d, free_xmitbuf_cnt=%d\n", pxmitbuf->no , pxmitpriv->free_xmitbuf_cnt);
#endif
_exit_critical(&pfree_xmitbuf_queue->lock, &irqL);
}
return _SUCCESS;
}
static void rtw_init_xmitframe(struct xmit_frame *pxframe)
{
if (pxframe != NULL) { /* default value setting */
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;
#ifdef USB_PACKET_OFFSET_SZ
pxframe->pkt_offset = (PACKET_OFFSET_SZ / 8);
#else
pxframe->pkt_offset = 1;/* default use pkt_offset to fill tx desc */
#endif
#ifdef CONFIG_USB_TX_AGGREGATION
pxframe->agg_num = 1;
#endif
#ifdef CONFIG_XMIT_ACK
pxframe->ack_report = 0;
#endif
}
}
/*
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
*/
unsigned long irqL;
struct xmit_frame *pxframe = NULL;
_list *plist, *phead;
_queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
_enter_critical_bh(&pfree_xmit_queue->lock, &irqL);
if (_rtw_queue_empty(pfree_xmit_queue)) {
pxframe = NULL;
} else {
phead = get_list_head(pfree_xmit_queue);
plist = get_next(phead);
pxframe = LIST_CONTAINOR(plist, struct xmit_frame, list);
list_del_init(&(pxframe->list));
pxmitpriv->free_xmitframe_cnt--;
}
_exit_critical_bh(&pfree_xmit_queue->lock, &irqL);
rtw_init_xmitframe(pxframe);
return pxframe;
}
struct xmit_frame *rtw_alloc_xmitframe_ext(struct xmit_priv *pxmitpriv)
{
unsigned long irqL;
struct xmit_frame *pxframe = NULL;
_list *plist, *phead;
_queue *queue = &pxmitpriv->free_xframe_ext_queue;
_enter_critical_bh(&queue->lock, &irqL);
if (_rtw_queue_empty(queue)) {
pxframe = NULL;
} else {
phead = get_list_head(queue);
plist = get_next(phead);
pxframe = LIST_CONTAINOR(plist, struct xmit_frame, list);
list_del_init(&(pxframe->list));
pxmitpriv->free_xframe_ext_cnt--;
}
_exit_critical_bh(&queue->lock, &irqL);
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 == NULL)
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);
RTW_INFO("################## %s ##################\n", __func__);
exit:
return pxframe;
}
s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe)
{
unsigned long irqL;
_queue *queue = NULL;
_adapter *padapter = pxmitpriv->adapter;
_pkt *pndis_pkt = NULL;
if (pxmitframe == NULL) {
goto exit;
}
if (pxmitframe->pkt) {
pndis_pkt = pxmitframe->pkt;
pxmitframe->pkt = NULL;
}
if (pxmitframe->alloc_addr) {
RTW_INFO("################## %s with alloc_addr ##################\n", __func__);
rtw_mfree(pxmitframe->alloc_addr, sizeof(struct xmit_frame) + 4);
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
rtw_warn_on(1);
_enter_critical_bh(&queue->lock, &irqL);
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++;
} else {
}
_exit_critical_bh(&queue->lock, &irqL);
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, _queue *pframequeue)
{
unsigned long irqL;
_list *plist, *phead;
struct xmit_frame *pxmitframe;
_enter_critical_bh(&(pframequeue->lock), &irqL);
phead = get_list_head(pframequeue);
plist = get_next(phead);
while (rtw_end_of_queue_search(phead, plist) == false) {
pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list);
plist = get_next(plist);
rtw_free_xmitframe(pxmitpriv, pxmitframe);
}
_exit_critical_bh(&(pframequeue->lock), &irqL);
}
s32 rtw_xmitframe_enqueue(_adapter *padapter, struct xmit_frame *pxmitframe)
{
DBG_COUNTER(padapter->tx_logs.core_tx_enqueue);
if (rtw_xmit_classifier(padapter, pxmitframe) == _FAIL) {
/* 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, _queue *pframe_queue)
{
_list *xmitframe_plist, *xmitframe_phead;
struct xmit_frame *pxmitframe = NULL;
xmitframe_phead = get_list_head(pframe_queue);
xmitframe_plist = get_next(xmitframe_phead);
while ((rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) == false) {
pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
list_del_init(&pxmitframe->list);
ptxservq->qcnt--;
break;
}
return pxmitframe;
}
static struct xmit_frame *get_one_xmitframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit, struct tx_servq *ptxservq, _queue *pframe_queue)
{
_list *xmitframe_plist, *xmitframe_phead;
struct xmit_frame *pxmitframe = NULL;
xmitframe_phead = get_list_head(pframe_queue);
xmitframe_plist = get_next(xmitframe_phead);
while ((rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) == false) {
pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
break;
}
return pxmitframe;
}
static struct xmit_frame *rtw_get_xframe(struct xmit_priv *pxmitpriv, int *num_frame)
{
unsigned long irqL0;
_list *sta_plist, *sta_phead;
struct hw_xmit *phwxmit_i = pxmitpriv->hwxmits;
sint entry = pxmitpriv->hwxmit_entry;
struct hw_xmit *phwxmit;
struct tx_servq *ptxservq = NULL;
_queue *pframe_queue = NULL;
struct xmit_frame *pxmitframe = NULL;
_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;
*num_frame = 0;
/*No amsdu when wifi_spec on*/
if (pregpriv->wifi_spec == 1) {
return NULL;
}
_enter_critical_bh(&pxmitpriv->lock, &irqL0);
for (i = 0; i < entry; i++) {
phwxmit = phwxmit_i + inx[i];
sta_phead = get_list_head(phwxmit->sta_queue);
sta_plist = get_next(sta_phead);
while ((rtw_end_of_queue_search(sta_phead, sta_plist)) == false) {
ptxservq = LIST_CONTAINOR(sta_plist, struct tx_servq, tx_pending);
pframe_queue = &ptxservq->sta_pending;
if(ptxservq->qcnt)
{
*num_frame = ptxservq->qcnt;
pxmitframe = get_one_xmitframe(pxmitpriv, phwxmit, ptxservq, pframe_queue);
goto exit;
}
sta_plist = get_next(sta_plist);
}
}
exit:
_exit_critical_bh(&pxmitpriv->lock, &irqL0);
return pxmitframe;
}
struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit_i, sint entry)
{
unsigned long irqL0;
_list *sta_plist, *sta_phead;
struct hw_xmit *phwxmit;
struct tx_servq *ptxservq = NULL;
_queue *pframe_queue = NULL;
struct xmit_frame *pxmitframe = NULL;
_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, tmp, acirp_cnt[4];
for (j = 0; j < 4; j++)
inx[j] = pxmitpriv->wmm_para_seq[j];
}
_enter_critical_bh(&pxmitpriv->lock, &irqL0);
for (i = 0; i < entry; i++) {
phwxmit = phwxmit_i + inx[i];
/* _enter_critical_ex(&phwxmit->sta_queue->lock, &irqL0); */
sta_phead = get_list_head(phwxmit->sta_queue);
sta_plist = get_next(sta_phead);
while ((rtw_end_of_queue_search(sta_phead, sta_plist)) == false) {
ptxservq = LIST_CONTAINOR(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 is no pending packets. */
if (_rtw_queue_empty(pframe_queue)) /* must be done after get_next and before break */
list_del_init(&ptxservq->tx_pending);
/* _exit_critical_ex(&phwxmit->sta_queue->lock, &irqL0); */
goto exit;
}
sta_plist = get_next(sta_plist);
}
/* _exit_critical_ex(&phwxmit->sta_queue->lock, &irqL0); */
}
exit:
_exit_critical_bh(&pxmitpriv->lock, &irqL0);
return pxmitframe;
}
struct tx_servq *rtw_get_sta_pending(_adapter *padapter, struct sta_info *psta, sint 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(_adapter *padapter, struct xmit_frame *pxmitframe)
{
/* unsigned long irqL0; */
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;
sint res = _SUCCESS;
DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class);
/*
if (pattrib->psta) {
psta = pattrib->psta;
} else {
RTW_INFO("%s, call rtw_get_stainfo()\n", __func__);
psta = rtw_get_stainfo(pstapriv, pattrib->ra);
}
*/
psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
if (pattrib->psta != psta) {
DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class_err_sta);
RTW_INFO("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta);
return _FAIL;
}
if (psta == NULL) {
DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class_err_nosta);
res = _FAIL;
RTW_INFO("rtw_xmit_classifier: psta == NULL\n");
goto exit;
}
if (!(psta->state & _FW_LINKED)) {
DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class_err_fwlink);
RTW_INFO("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
return _FAIL;
}
ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
/* _enter_critical(&pstapending->lock, &irqL0); */
if (list_empty(&ptxservq->tx_pending))
list_add_tail(&ptxservq->tx_pending, get_list_head(phwxmits[ac_index].sta_queue));
/* _enter_critical(&ptxservq->sta_pending.lock, &irqL1); */
list_add_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending));
ptxservq->qcnt++;
phwxmits[ac_index].accnt++;
/* _exit_critical(&ptxservq->sta_pending.lock, &irqL1); */
/* _exit_critical(&pstapending->lock, &irqL0); */
exit:
return res;
}
void rtw_alloc_hwxmits(_adapter *padapter)
{
struct hw_xmit *hwxmits;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;
pxmitpriv->hwxmits = NULL;
pxmitpriv->hwxmits = (struct hw_xmit *)rtw_zmalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry);
if (pxmitpriv->hwxmits == NULL) {
RTW_INFO("alloc hwxmits fail!...\n");
return;
}
hwxmits = pxmitpriv->hwxmits;
if (pxmitpriv->hwxmit_entry == 5) {
/* pxmitpriv->bmc_txqueue.head = 0; */
/* hwxmits[0] .phwtxqueue = &pxmitpriv->bmc_txqueue; */
hwxmits[0] .sta_queue = &pxmitpriv->bm_pending;
/* pxmitpriv->vo_txqueue.head = 0; */
/* hwxmits[1] .phwtxqueue = &pxmitpriv->vo_txqueue; */
hwxmits[1] .sta_queue = &pxmitpriv->vo_pending;
/* pxmitpriv->vi_txqueue.head = 0; */
/* hwxmits[2] .phwtxqueue = &pxmitpriv->vi_txqueue; */
hwxmits[2] .sta_queue = &pxmitpriv->vi_pending;
/* pxmitpriv->bk_txqueue.head = 0; */
/* hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue; */
hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
/* pxmitpriv->be_txqueue.head = 0; */
/* hwxmits[4] .phwtxqueue = &pxmitpriv->be_txqueue; */
hwxmits[4] .sta_queue = &pxmitpriv->be_pending;
} else if (pxmitpriv->hwxmit_entry == 4) {
/* pxmitpriv->vo_txqueue.head = 0; */
/* hwxmits[0] .phwtxqueue = &pxmitpriv->vo_txqueue; */
hwxmits[0] .sta_queue = &pxmitpriv->vo_pending;
/* pxmitpriv->vi_txqueue.head = 0; */
/* hwxmits[1] .phwtxqueue = &pxmitpriv->vi_txqueue; */
hwxmits[1] .sta_queue = &pxmitpriv->vi_pending;
/* pxmitpriv->be_txqueue.head = 0; */
/* hwxmits[2] .phwtxqueue = &pxmitpriv->be_txqueue; */
hwxmits[2] .sta_queue = &pxmitpriv->be_pending;
/* pxmitpriv->bk_txqueue.head = 0; */
/* hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue; */
hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
} else {
}
}
void rtw_free_hwxmits(_adapter *padapter)
{
struct hw_xmit *hwxmits;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
hwxmits = pxmitpriv->hwxmits;
if (hwxmits)
rtw_mfree((u8 *)hwxmits, (sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry));
}
void rtw_init_hwxmits(struct hw_xmit *phwxmit, sint entry)
{
sint i;
for (i = 0; i < entry; i++, phwxmit++) {
/* spin_lock_init(&phwxmit->xmit_lock); */
/* INIT_LIST_HEAD(&phwxmit->pending); */
/* phwxmit->txcmdcnt = 0; */
phwxmit->accnt = 0;
}
}
#ifdef CONFIG_BR_EXT
static int rtw_br_client_tx(_adapter *padapter, struct sk_buff **pskb)
{
struct sk_buff *skb = *pskb;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
unsigned long irqL;
/* if(check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE)) */
{
int res, is_vlan_tag = 0, i, do_nat25 = 1;
unsigned short vlan_hdr = 0;
void *br_port = NULL;
/* mac_clone_handle_frame(priv, skb); */
#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
br_port = padapter->pnetdev->br_port;
#else /* (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35)) */
rcu_read_lock();
br_port = rcu_dereference(padapter->pnetdev->rx_handler_data);
rcu_read_unlock();
#endif /* (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35)) */
_enter_critical_bh(&padapter->br_ext_lock, &irqL);
if (!(skb->data[0] & 1) &&
br_port &&
memcmp(skb->data + MACADDRLEN, padapter->br_mac, MACADDRLEN) &&
*((__be16 *)(skb->data + MACADDRLEN * 2)) != __constant_htons(ETH_P_8021Q) &&
*((__be16 *)(skb->data + MACADDRLEN * 2)) == __constant_htons(ETH_P_IP) &&
!memcmp(padapter->scdb_mac, skb->data + MACADDRLEN, MACADDRLEN) && padapter->scdb_entry) {
memcpy(skb->data + MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN);
padapter->scdb_entry->ageing_timer = jiffies;
_exit_critical_bh(&padapter->br_ext_lock, &irqL);
} else
/* if (!priv->pmib->ethBrExtInfo.nat25_disable) */
{
/* if (priv->dev->br_port &&
* !memcmp(skb->data+MACADDRLEN, priv->br_mac, MACADDRLEN)) { */
if (*((__be16 *)(skb->data + MACADDRLEN * 2)) == __constant_htons(ETH_P_8021Q)) {
is_vlan_tag = 1;
vlan_hdr = *((unsigned short *)(skb->data + MACADDRLEN * 2 + 2));
for (i = 0; i < 6; i++)
*((unsigned short *)(skb->data + MACADDRLEN * 2 + 2 - i * 2)) = *((unsigned short *)(skb->data + MACADDRLEN * 2 - 2 - i * 2));
skb_pull(skb, 4);
}
/* if SA == br_mac && skb== IP => copy SIP to br_ip ?? why */
if (!memcmp(skb->data + MACADDRLEN, padapter->br_mac, MACADDRLEN) &&
(*((__be16 *)(skb->data + MACADDRLEN * 2)) == __constant_htons(ETH_P_IP)))
memcpy(padapter->br_ip, skb->data + WLAN_ETHHDR_LEN + 12, 4);
if (*((__be16 *)(skb->data + MACADDRLEN * 2)) == __constant_htons(ETH_P_IP)) {
if (memcmp(padapter->scdb_mac, skb->data + MACADDRLEN, MACADDRLEN)) {
padapter->scdb_entry = (struct nat25_network_db_entry *)scdb_findEntry(padapter,
skb->data + MACADDRLEN, skb->data + WLAN_ETHHDR_LEN + 12);
if (padapter->scdb_entry != NULL) {
memcpy(padapter->scdb_mac, skb->data + MACADDRLEN, MACADDRLEN);
memcpy(padapter->scdb_ip, skb->data + WLAN_ETHHDR_LEN + 12, 4);
padapter->scdb_entry->ageing_timer = jiffies;
do_nat25 = 0;
}
} else {
if (padapter->scdb_entry) {
padapter->scdb_entry->ageing_timer = jiffies;
do_nat25 = 0;
} else {
memset(padapter->scdb_mac, 0, MACADDRLEN);
memset(padapter->scdb_ip, 0, 4);
}
}
}
_exit_critical_bh(&padapter->br_ext_lock, &irqL);
if (do_nat25) {
if (nat25_db_handle(padapter, skb, NAT25_CHECK) == 0) {
struct sk_buff *newskb;
if (is_vlan_tag) {
skb_push(skb, 4);
for (i = 0; i < 6; i++)
*((unsigned short *)(skb->data + i * 2)) = *((unsigned short *)(skb->data + 4 + i * 2));
*((__be16 *)(skb->data + MACADDRLEN * 2)) = __constant_htons(ETH_P_8021Q);
*((unsigned short *)(skb->data + MACADDRLEN * 2 + 2)) = vlan_hdr;
}
newskb = rtw_skb_copy(skb);
if (newskb == NULL) {
/* priv->ext_stats.tx_drops++; */
DEBUG_ERR("TX DROP: rtw_skb_copy fail!\n");
/* goto stop_proc; */
return -1;
}
rtw_skb_free(skb);
*pskb = skb = newskb;
if (is_vlan_tag) {
vlan_hdr = *((unsigned short *)(skb->data + MACADDRLEN * 2 + 2));
for (i = 0; i < 6; i++)
*((unsigned short *)(skb->data + MACADDRLEN * 2 + 2 - i * 2)) = *((unsigned short *)(skb->data + MACADDRLEN * 2 - 2 - i * 2));
skb_pull(skb, 4);
}
}
if (skb_is_nonlinear(skb))
DEBUG_ERR("%s(): skb_is_nonlinear!!\n", __func__);
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18))
res = skb_linearize(skb, GFP_ATOMIC);
#else /* (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18)) */
res = skb_linearize(skb);
#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18)) */
if (res < 0) {
DEBUG_ERR("TX DROP: skb_linearize fail!\n");
/* goto free_and_stop; */
return -1;
}
res = nat25_db_handle(padapter, skb, NAT25_INSERT);
if (res < 0) {
if (res == -2) {
/* priv->ext_stats.tx_drops++; */
DEBUG_ERR("TX DROP: nat25_db_handle fail!\n");
/* goto free_and_stop; */
return -1;
}
/* we just print warning message and let it go */
/* DEBUG_WARN("%s()-%d: nat25_db_handle INSERT Warning!\n", __func__, __LINE__); */
/* return -1; */ /* return -1 will cause system crash on 2011/08/30! */
return 0;
}
}
memcpy(skb->data + MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN);
dhcp_flag_bcast(padapter, skb);
if (is_vlan_tag) {
skb_push(skb, 4);
for (i = 0; i < 6; i++)
*((unsigned short *)(skb->data + i * 2)) = *((unsigned short *)(skb->data + 4 + i * 2));
*((__be16 *)(skb->data + MACADDRLEN * 2)) = __constant_htons(ETH_P_8021Q);
*((unsigned short *)(skb->data + MACADDRLEN * 2 + 2)) = vlan_hdr;
}
}
/* check if SA is equal to our MAC */
if (memcmp(skb->data + MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN)) {
/* priv->ext_stats.tx_drops++; */
DEBUG_ERR("TX DROP: untransformed frame SA:%02X%02X%02X%02X%02X%02X!\n",
skb->data[6], skb->data[7], skb->data[8], skb->data[9], skb->data[10], skb->data[11]);
/* goto free_and_stop; */
return -1;
}
}
return 0;
}
#endif /* CONFIG_BR_EXT */
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 0x13:
addr = TXCMD_QUEUE_INX;
break;
case 0x12:
default:
addr = MGT_QUEUE_INX;
break;
}
return addr;
}
static void do_queue_select(_adapter *padapter, struct pkt_attrib *pattrib)
{
u8 qsel;
qsel = pattrib->priority;
#ifdef CONFIG_CONCURRENT_MODE
/* if (check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE))
* qsel = 7; */
#endif
#ifdef CONFIG_MCC_MODE
if (MCC_EN(padapter)) {
/* Under MCC */
if (rtw_hal_check_mcc_status(padapter, MCC_STATUS_NEED_MCC)) {
if (padapter->mcc_adapterpriv.role == MCC_ROLE_GO
|| padapter->mcc_adapterpriv.role == MCC_ROLE_AP) {
pattrib->qsel = QSLT_VO; /* AP interface VO queue */
} else {
pattrib->qsel = QSLT_BE; /* STA interface BE queue */
}
} else
/* Not Under MCC */
pattrib->qsel = qsel;
} else
/* Not enable MCC */
pattrib->qsel = qsel;
#else /* !CONFIG_MCC_MODE */
pattrib->qsel = qsel;
#endif /* CONFIG_MCC_MODE */
}
/*
* The main transmit(tx) entry
*
* Return
* 1 enqueue
* 0 success, hardware will handle this xmit frame(packet)
* <0 fail
*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24))
s32 rtw_monitor_xmit_entry(struct sk_buff *skb, struct net_device *ndev)
{
int ret = 0;
int rtap_len;
int qos_len = 0;
int dot11_hdr_len = 24;
int snap_len = 6;
unsigned char *pdata;
u16 frame_ctl;
unsigned char src_mac_addr[6];
unsigned char dst_mac_addr[6];
struct rtw_ieee80211_hdr *dot11_hdr;
struct ieee80211_radiotap_header *rtap_hdr;
_adapter *padapter = (_adapter *)rtw_netdev_priv(ndev);
if (skb)
rtw_mstat_update(MSTAT_TYPE_SKB, MSTAT_ALLOC_SUCCESS, skb->truesize);
if (unlikely(skb->len < sizeof(struct ieee80211_radiotap_header)))
goto fail;
rtap_hdr = (struct ieee80211_radiotap_header *)skb->data;
if (unlikely(rtap_hdr->it_version))
goto fail;
rtap_len = ieee80211_get_radiotap_len(skb->data);
if (unlikely(skb->len < rtap_len))
goto fail;
if (rtap_len != 12) {
RTW_INFO("radiotap len (should be 14): %d\n", rtap_len);
goto fail;
}
/* Skip the ratio tap header */
skb_pull(skb, rtap_len);
dot11_hdr = (struct rtw_ieee80211_hdr *)skb->data;
frame_ctl = le16_to_cpu(dot11_hdr->frame_ctl);
/* Check if the QoS bit is set */
if ((frame_ctl & RTW_IEEE80211_FCTL_FTYPE) == RTW_IEEE80211_FTYPE_DATA) {
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe;
struct rtw_ieee80211_hdr *pwlanhdr;
struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
u8 *buf = skb->data;
u32 len = skb->len;
u8 category, action;
int type = -1;
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (pmgntframe == NULL) {
rtw_udelay_os(500);
goto fail;
}
pattrib = &pmgntframe->attrib;
update_monitor_frame_attrib(padapter, pattrib);
pattrib->retry_ctrl = false;
memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
memcpy(pframe, (void *)buf, len);
pattrib->pktlen = len;
pwlanhdr = (struct rtw_ieee80211_hdr *)pframe;
if (is_broadcast_mac_addr(pwlanhdr->addr3) || is_broadcast_mac_addr(pwlanhdr->addr1))
pattrib->rate = MGN_24M;
pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
pattrib->seqnum = pmlmeext->mgnt_seq;
pmlmeext->mgnt_seq++;
pattrib->last_txcmdsz = pattrib->pktlen;
dump_mgntframe(padapter, pmgntframe);
} else {
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe;
struct rtw_ieee80211_hdr *pwlanhdr;
struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
u8 *buf = skb->data;
u32 len = skb->len;
u8 category, action;
int type = -1;
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (pmgntframe == NULL)
goto fail;
pattrib = &pmgntframe->attrib;
update_mgntframe_attrib(padapter, pattrib);
pattrib->retry_ctrl = false;
memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
memcpy(pframe, (void *)buf, len);
pattrib->pktlen = len;
pwlanhdr = (struct rtw_ieee80211_hdr *)pframe;
pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
pattrib->seqnum = pmlmeext->mgnt_seq;
pmlmeext->mgnt_seq++;
pattrib->last_txcmdsz = pattrib->pktlen;
dump_mgntframe(padapter, pmgntframe);
}
fail:
rtw_skb_free(skb);
return 0;
}
#endif
/*
* The main transmit(tx) entry
*
* Return
* 1 enqueue
* 0 success, hardware will handle this xmit frame(packet)
* <0 fail
*/
s32 rtw_xmit(_adapter *padapter, _pkt **ppkt)
{
static u32 start = 0;
static u32 drop_cnt = 0;
#ifdef CONFIG_AP_MODE
unsigned long irqL0;
#endif
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct xmit_frame *pxmitframe = NULL;
#ifdef CONFIG_BR_EXT
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
void *br_port = NULL;
#endif /* CONFIG_BR_EXT */
s32 res;
DBG_COUNTER(padapter->tx_logs.core_tx);
if (start == 0)
start = jiffies;
pxmitframe = rtw_alloc_xmitframe(pxmitpriv);
if (rtw_get_passing_time_ms(start) > 2000) {
if (drop_cnt)
RTW_INFO("DBG_TX_DROP_FRAME %s no more pxmitframe, drop_cnt:%u\n", __func__, drop_cnt);
start = jiffies;
drop_cnt = 0;
}
if (pxmitframe == NULL) {
drop_cnt++;
/*RTW_INFO("%s-"ADPT_FMT" no more xmitframe\n", __func__, ADPT_ARG(padapter));*/
DBG_COUNTER(padapter->tx_logs.core_tx_err_pxmitframe);
return -1;
}
#ifdef CONFIG_BR_EXT
#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
br_port = padapter->pnetdev->br_port;
#else /* (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35)) */
rcu_read_lock();
br_port = rcu_dereference(padapter->pnetdev->rx_handler_data);
rcu_read_unlock();
#endif /* (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35)) */
if (br_port && check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_ADHOC_STATE)) {
res = rtw_br_client_tx(padapter, ppkt);
if (res == -1) {
rtw_free_xmitframe(pxmitpriv, pxmitframe);
DBG_COUNTER(padapter->tx_logs.core_tx_err_brtx);
return -1;
}
}
#endif /* CONFIG_BR_EXT */
res = update_attrib(padapter, *ppkt, &pxmitframe->attrib);
#ifdef CONFIG_MCC_MODE
/* record data kernel TX to driver to check MCC concurrent TX */
rtw_hal_mcc_calc_tx_bytes_from_kernel(padapter, pxmitframe->attrib.pktlen);
#endif /* CONFIG_MCC_MODE */
#ifdef CONFIG_WAPI_SUPPORT
if (pxmitframe->attrib.ether_type != 0x88B4) {
if (rtw_wapi_drop_for_key_absent(padapter, pxmitframe->attrib.ra)) {
WAPI_TRACE(WAPI_RX, "drop for key absend when tx\n");
res = _FAIL;
}
}
#endif
if (res == _FAIL) {
/*RTW_INFO("%s-"ADPT_FMT" update attrib fail\n", __func__, ADPT_ARG(padapter));*/
#ifdef DBG_TX_DROP_FRAME
RTW_INFO("DBG_TX_DROP_FRAME %s update attrib fail\n", __func__);
#endif
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_AP_MODE
_enter_critical_bh(&pxmitpriv->lock, &irqL0);
if (xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe)) {
_exit_critical_bh(&pxmitpriv->lock, &irqL0);
DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue);
return 1;
}
_exit_critical_bh(&pxmitpriv->lock, &irqL0);
#endif
/* pre_xmitframe */
if (rtw_hal_xmit(padapter, pxmitframe) == false)
return 1;
return 0;
}
#ifdef CONFIG_TDLS
sint xmitframe_enqueue_for_tdls_sleeping_sta(_adapter *padapter, struct xmit_frame *pxmitframe)
{
sint ret = false;
unsigned long irqL;
struct sta_info *ptdls_sta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
int i;
ptdls_sta = rtw_get_stainfo(pstapriv, pattrib->dst);
if (ptdls_sta == NULL)
return ret;
else if (ptdls_sta->tdls_sta_state & TDLS_LINKED_STATE) {
if (pattrib->triggered == 1) {
ret = true;
return ret;
}
_enter_critical_bh(&ptdls_sta->sleep_q.lock, &irqL);
if (ptdls_sta->state & WIFI_SLEEP_STATE) {
list_del_init(&pxmitframe->list);
/* _enter_critical_bh(&psta->sleep_q.lock, &irqL); */
list_add_tail(&pxmitframe->list, get_list_head(&ptdls_sta->sleep_q));
ptdls_sta->sleepq_len++;
ptdls_sta->sleepq_ac_len++;
/* indicate 4-AC queue bit in TDLS peer traffic indication */
switch (pattrib->priority) {
case 1:
case 2:
ptdls_sta->uapsd_bk |= BIT(1);
break;
case 4:
case 5:
ptdls_sta->uapsd_vi |= BIT(1);
break;
case 6:
case 7:
ptdls_sta->uapsd_vo |= BIT(1);
break;
case 0:
case 3:
default:
ptdls_sta->uapsd_be |= BIT(1);
break;
}
/* Transmit TDLS PTI via AP */
if (ptdls_sta->sleepq_len == 1)
rtw_tdls_cmd(padapter, ptdls_sta->hwaddr, TDLS_ISSUE_PTI);
ret = true;
}
_exit_critical_bh(&ptdls_sta->sleep_q.lock, &irqL);
}
return ret;
}
#endif /* CONFIG_TDLS */
#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;
_adapter *adapter = xmitframe->padapter;
struct registry_priv *registry = &adapter->registrypriv;
if (rtw_get_intf_type(adapter) != RTW_PCIE) {
if (adapter->registrypriv.wifi_spec == 1)
allow = true;
else if (registry->hiq_filter == RTW_HIQ_FILTER_ALLOW_SPECIAL) {
struct pkt_attrib *attrib = &xmitframe->attrib;
if (attrib->ether_type == 0x0806
|| attrib->ether_type == 0x888e
#ifdef CONFIG_WAPI_SUPPORT
|| attrib->ether_type == 0x88B4
#endif
|| attrib->dhcp_pkt
) {
if (0)
RTW_INFO(FUNC_ADPT_FMT" ether_type:0x%04x%s\n", FUNC_ADPT_ARG(xmitframe->padapter)
, attrib->ether_type, attrib->dhcp_pkt ? " DHCP" : "");
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;
}
#if defined(CONFIG_AP_MODE) || defined(CONFIG_TDLS)
sint xmitframe_enqueue_for_sleeping_sta(_adapter *padapter, struct xmit_frame *pxmitframe)
{
unsigned long irqL;
sint 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;
sint bmcst = IS_MCAST(pattrib->ra);
bool update_tim = false;
#ifdef CONFIG_TDLS
if (padapter->tdlsinfo.link_established)
ret = xmitframe_enqueue_for_tdls_sleeping_sta(padapter, pxmitframe);
#endif /* CONFIG_TDLS */
if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == false) {
DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_fwstate);
return ret;
}
/*
if(pattrib->psta)
{
psta = pattrib->psta;
}
else
{
RTW_INFO("%s, call rtw_get_stainfo()\n", __func__);
psta=rtw_get_stainfo(pstapriv, pattrib->ra);
}
*/
psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
if (pattrib->psta != psta) {
DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_sta);
RTW_INFO("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta);
return false;
}
if (psta == NULL) {
DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_nosta);
RTW_INFO("%s, psta==NUL\n", __func__);
return false;
}
if (!(psta->state & _FW_LINKED)) {
DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_link);
RTW_INFO("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
return false;
}
if (pattrib->triggered == 1) {
DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_trigger);
/* RTW_INFO("directly xmit pspoll_triggered packet\n"); */
/* pattrib->triggered=0; */
if (bmcst && xmitframe_hiq_filter(pxmitframe))
pattrib->qsel = QSLT_HIGH;/* HIQ */
return ret;
}
if (bmcst) {
_enter_critical_bh(&psta->sleep_q.lock, &irqL);
if (pstapriv->sta_dz_bitmap) { /* if anyone sta is in ps mode */
/* pattrib->qsel = QSLT_HIGH; */ /* HIQ */
list_del_init(&pxmitframe->list);
/*_enter_critical_bh(&psta->sleep_q.lock, &irqL);*/
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);
/* RTW_INFO("enqueue, sq_len=%d, tim=%x\n", psta->sleepq_len, pstapriv->tim_bitmap); */
if (update_tim) {
if (is_broadcast_mac_addr(pattrib->ra))
_update_beacon(padapter, _TIM_IE_, NULL, true, "buffer BC");
else
_update_beacon(padapter, _TIM_IE_, NULL, true, "buffer MC");
} else
chk_bmc_sleepq_cmd(padapter);
/*_exit_critical_bh(&psta->sleep_q.lock, &irqL);*/
ret = true;
DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_mcast);
}
_exit_critical_bh(&psta->sleep_q.lock, &irqL);
return ret;
}
_enter_critical_bh(&psta->sleep_q.lock, &irqL);
if (psta->state & WIFI_SLEEP_STATE) {
u8 wmmps_ac = 0;
if (pstapriv->sta_dz_bitmap & BIT(psta->aid)) {
list_del_init(&pxmitframe->list);
/* _enter_critical_bh(&psta->sleep_q.lock, &irqL); */
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);
/* RTW_INFO("enqueue, sq_len=%d, tim=%x\n", psta->sleepq_len, pstapriv->tim_bitmap); */
if (update_tim) {
/* RTW_INFO("sleepq_len==1, update BCNTIM\n"); */
/* upate BCN for TIM IE */
_update_beacon(padapter, _TIM_IE_, NULL, true, "buffer UC");
}
}
/* _exit_critical_bh(&psta->sleep_q.lock, &irqL); */
/* if(psta->sleepq_len > (NR_XMITFRAME>>3)) */
/* { */
/* wakeup_sta_to_xmit(padapter, psta); */
/* } */
ret = true;
DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_ucast);
}
}
_exit_critical_bh(&psta->sleep_q.lock, &irqL);
return ret;
}
static void dequeue_xmitframes_to_sleeping_queue(_adapter *padapter, struct sta_info *psta, _queue *pframequeue)
{
sint ret;
_list *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 = get_next(phead);
while (rtw_end_of_queue_search(phead, plist) == false) {
pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list);
plist = get_next(plist);
pattrib = &pxmitframe->attrib;
pattrib->triggered = 0;
ret = xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe);
if (ret) {
ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
ptxservq->qcnt--;
phwxmits[ac_index].accnt--;
} else {
/* RTW_INFO("xmitframe_enqueue_for_sleeping_sta return false\n"); */
}
}
}
void stop_sta_xmit(_adapter *padapter, struct sta_info *psta)
{
unsigned long irqL0;
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);
_enter_critical_bh(&pxmitpriv->lock, &irqL0);
psta->state |= WIFI_SLEEP_STATE;
#ifdef CONFIG_TDLS
if (!(psta->tdls_sta_state & TDLS_LINKED_STATE))
#endif /* CONFIG_TDLS */
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));
#ifdef CONFIG_TDLS
if (!(psta->tdls_sta_state & TDLS_LINKED_STATE) && (psta_bmc != NULL)) {
#endif /* CONFIG_TDLS */
/* 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));
#ifdef CONFIG_TDLS
}
#endif /* CONFIG_TDLS */
_exit_critical_bh(&pxmitpriv->lock, &irqL0);
}
void wakeup_sta_to_xmit(_adapter *padapter, struct sta_info *psta)
{
unsigned long irqL;
u8 update_mask = 0, wmmps_ac = 0;
struct sta_info *psta_bmc;
_list *xmitframe_plist, *xmitframe_phead;
struct xmit_frame *pxmitframe = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
psta_bmc = rtw_get_bcmc_stainfo(padapter);
/* _enter_critical_bh(&psta->sleep_q.lock, &irqL); */
_enter_critical_bh(&pxmitpriv->lock, &irqL);
xmitframe_phead = get_list_head(&psta->sleep_q);
xmitframe_plist = get_next(xmitframe_phead);
while ((rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) == false) {
pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
xmitframe_plist = get_next(xmitframe_plist);
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;
/*
_exit_critical_bh(&psta->sleep_q.lock, &irqL);
if(rtw_hal_xmit(padapter, pxmitframe))
{
rtw_os_xmit_complete(padapter, pxmitframe);
}
_enter_critical_bh(&psta->sleep_q.lock, &irqL);
*/
rtw_hal_xmitframe_enqueue(padapter, pxmitframe);
}
if (psta->sleepq_len == 0) {
#ifdef CONFIG_TDLS
if (psta->tdls_sta_state & TDLS_LINKED_STATE) {
if (psta->state & WIFI_SLEEP_STATE)
psta->state ^= WIFI_SLEEP_STATE;
_exit_critical_bh(&pxmitpriv->lock, &irqL);
return;
}
#endif /* CONFIG_TDLS */
if (pstapriv->tim_bitmap & BIT(psta->aid)) {
/* RTW_INFO("wakeup to xmit, qlen==0, update_BCNTIM, tim=%x\n", pstapriv->tim_bitmap); */
/* upate BCN for TIM IE */
/* update_BCNTIM(padapter); */
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) {
RTW_INFO("%s alive check\n", __func__);
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);
xmitframe_plist = get_next(xmitframe_phead);
while ((rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) == false) {
pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
xmitframe_plist = get_next(xmitframe_plist);
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;
/*
_exit_critical_bh(&psta_bmc->sleep_q.lock, &irqL);
if(rtw_hal_xmit(padapter, pxmitframe))
{
rtw_os_xmit_complete(padapter, pxmitframe);
}
_enter_critical_bh(&psta_bmc->sleep_q.lock, &irqL);
*/
rtw_hal_xmitframe_enqueue(padapter, pxmitframe);
}
if (psta_bmc->sleepq_len == 0) {
if (pstapriv->tim_bitmap & BIT(0)) {
/* RTW_INFO("wakeup to xmit, qlen==0, update_BCNTIM, tim=%x\n", pstapriv->tim_bitmap); */
/* upate BCN for TIM IE */
/* update_BCNTIM(padapter); */
update_mask |= BIT(1);
}
pstapriv->tim_bitmap &= ~BIT(0);
pstapriv->sta_dz_bitmap &= ~BIT(0);
}
}
_exit:
/* _exit_critical_bh(&psta_bmc->sleep_q.lock, &irqL); */
_exit_critical_bh(&pxmitpriv->lock, &irqL);
if (update_mask) {
/* update_BCNTIM(padapter); */
if ((update_mask & (BIT(0) | BIT(1))) == (BIT(0) | BIT(1)))
_update_beacon(padapter, _TIM_IE_, NULL, true, "clear UC&BMC");
else if ((update_mask & BIT(1)) == BIT(1))
_update_beacon(padapter, _TIM_IE_, NULL, true, "clear BMC");
else
_update_beacon(padapter, _TIM_IE_, NULL, true, "clear UC");
}
}
void xmit_delivery_enabled_frames(_adapter *padapter, struct sta_info *psta)
{
unsigned long irqL;
u8 wmmps_ac = 0;
_list *xmitframe_plist, *xmitframe_phead;
struct xmit_frame *pxmitframe = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
/* _enter_critical_bh(&psta->sleep_q.lock, &irqL); */
_enter_critical_bh(&pxmitpriv->lock, &irqL);
xmitframe_phead = get_list_head(&psta->sleep_q);
xmitframe_plist = get_next(xmitframe_phead);
while ((rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) == false) {
pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
xmitframe_plist = get_next(xmitframe_plist);
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)) {
#ifdef CONFIG_TDLS
if (psta->tdls_sta_state & TDLS_LINKED_STATE) {
/* _exit_critical_bh(&psta->sleep_q.lock, &irqL); */
goto exit;
}
#endif /* CONFIG_TDLS */
pstapriv->tim_bitmap &= ~BIT(psta->aid);
/* RTW_INFO("wakeup to xmit, qlen==0, update_BCNTIM, tim=%x\n", pstapriv->tim_bitmap); */
/* upate BCN for TIM IE */
/* update_BCNTIM(padapter); */
update_beacon(padapter, _TIM_IE_, NULL, true);
/* update_mask = BIT(0); */
}
}
exit:
/* _exit_critical_bh(&psta->sleep_q.lock, &irqL); */
_exit_critical_bh(&pxmitpriv->lock, &irqL);
return;
}
#endif /* defined(CONFIG_AP_MODE) || defined(CONFIG_TDLS) */
#ifdef CONFIG_XMIT_THREAD_MODE
void enqueue_pending_xmitbuf(
struct xmit_priv *pxmitpriv,
struct xmit_buf *pxmitbuf)
{
unsigned long irql;
_queue *pqueue;
_adapter *pri_adapter = pxmitpriv->adapter;
pqueue = &pxmitpriv->pending_xmitbuf_queue;
_enter_critical_bh(&pqueue->lock, &irql);
list_del_init(&pxmitbuf->list);
list_add_tail(&pxmitbuf->list, get_list_head(pqueue));
_exit_critical_bh(&pqueue->lock, &irql);
up(&(pri_adapter->xmitpriv.xmit_sema));
}
void enqueue_pending_xmitbuf_to_head(
struct xmit_priv *pxmitpriv,
struct xmit_buf *pxmitbuf)
{
unsigned long irql;
_queue *pqueue = &pxmitpriv->pending_xmitbuf_queue;
_enter_critical_bh(&pqueue->lock, &irql);
list_del_init(&pxmitbuf->list);
list_add(&pxmitbuf->list, get_list_head(pqueue));
_exit_critical_bh(&pqueue->lock, &irql);
}
struct xmit_buf *dequeue_pending_xmitbuf(
struct xmit_priv *pxmitpriv)
{
unsigned long irql;
struct xmit_buf *pxmitbuf;
_queue *pqueue;
pxmitbuf = NULL;
pqueue = &pxmitpriv->pending_xmitbuf_queue;
_enter_critical_bh(&pqueue->lock, &irql);
if (_rtw_queue_empty(pqueue) == false) {
_list *plist, *phead;
phead = get_list_head(pqueue);
plist = get_next(phead);
pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
list_del_init(&pxmitbuf->list);
}
_exit_critical_bh(&pqueue->lock, &irql);
return pxmitbuf;
}
static struct xmit_buf *dequeue_pending_xmitbuf_under_survey(
struct xmit_priv *pxmitpriv)
{
unsigned long irql;
struct xmit_buf *pxmitbuf;
struct xmit_frame *pxmitframe;
_queue *pqueue;
pxmitbuf = NULL;
pqueue = &pxmitpriv->pending_xmitbuf_queue;
_enter_critical_bh(&pqueue->lock, &irql);
if (_rtw_queue_empty(pqueue) == false) {
_list *plist, *phead;
u8 type = 0;
phead = get_list_head(pqueue);
plist = phead;
do {
plist = get_next(plist);
if (plist == phead)
break;
pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
pxmitframe = (struct xmit_frame *)pxmitbuf->priv_data;
if (pxmitframe)
type = get_frame_sub_type(pxmitbuf->pbuf + TXDESC_SIZE + pxmitframe->pkt_offset * PACKET_OFFSET_SZ);
else
RTW_INFO("%s, !!!ERROR!!! For USB, TODO ITEM\n", __func__);
if ((type == WIFI_PROBEREQ) ||
(type == WIFI_DATA_NULL) ||
(type == WIFI_QOS_DATA_NULL)) {
list_del_init(&pxmitbuf->list);
break;
}
pxmitbuf = NULL;
} while (1);
}
_exit_critical_bh(&pqueue->lock, &irql);
return pxmitbuf;
}
static struct xmit_buf *dequeue_pending_xmitbuf_ext(
struct xmit_priv *pxmitpriv)
{
unsigned long irql;
struct xmit_buf *pxmitbuf;
_queue *pqueue;
pxmitbuf = NULL;
pqueue = &pxmitpriv->pending_xmitbuf_queue;
_enter_critical_bh(&pqueue->lock, &irql);
if (_rtw_queue_empty(pqueue) == false) {
_list *plist, *phead;
u8 type = 0;
phead = get_list_head(pqueue);
plist = phead;
do {
plist = get_next(plist);
if (plist == phead)
break;
pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
if (pxmitbuf->buf_tag == XMITBUF_MGNT) {
list_del_init(&pxmitbuf->list);
break;
}
pxmitbuf = NULL;
} while (1);
}
_exit_critical_bh(&pqueue->lock, &irql);
return pxmitbuf;
}
struct xmit_buf *select_and_dequeue_pending_xmitbuf(_adapter *padapter)
{
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct xmit_buf *pxmitbuf = NULL;
if (rtw_xmit_ac_blocked(padapter))
pxmitbuf = dequeue_pending_xmitbuf_under_survey(pxmitpriv);
else {
pxmitbuf = dequeue_pending_xmitbuf_ext(pxmitpriv);
if (pxmitbuf == NULL)
pxmitbuf = dequeue_pending_xmitbuf(pxmitpriv);
}
return pxmitbuf;
}
sint check_pending_xmitbuf(
struct xmit_priv *pxmitpriv)
{
unsigned long irql;
_queue *pqueue;
sint ret = false;
pqueue = &pxmitpriv->pending_xmitbuf_queue;
_enter_critical_bh(&pqueue->lock, &irql);
if (_rtw_queue_empty(pqueue) == false)
ret = true;
_exit_critical_bh(&pqueue->lock, &irql);
return ret;
}
thread_return rtw_xmit_thread(thread_context context)
{
s32 err;
PADAPTER padapter;
err = _SUCCESS;
padapter = (PADAPTER)context;
thread_enter("RTW_XMIT_THREAD");
do {
err = rtw_hal_xmit_thread_handler(padapter);
flush_signals_thread();
} while (_SUCCESS == err);
up(&padapter->xmitpriv.terminate_xmitthread_sema);
thread_exit();
}
#endif
bool rtw_xmit_ac_blocked(_adapter *adapter)
{
struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
_adapter *iface;
struct mlme_ext_priv *mlmeext;
struct mlme_ext_info *mlmeextinfo;
bool blocked = false;
int i;
for (i = 0; i < dvobj->iface_nums; i++) {
iface = dvobj->padapters[i];
mlmeext = &iface->mlmeextpriv;
/* check scan state */
if (mlmeext_scan_state(mlmeext) != SCAN_DISABLE
&& mlmeext_scan_state(mlmeext) != SCAN_BACK_OP
) {
blocked = true;
goto exit;
}
if (mlmeext_scan_state(mlmeext) == SCAN_BACK_OP
&& !mlmeext_chk_scan_backop_flags(mlmeext, SS_BACKOP_TX_RESUME)
) {
blocked = true;
goto exit;
}
}
#ifdef CONFIG_MCC_MODE
if (MCC_EN(adapter)) {
if (rtw_hal_check_mcc_status(adapter, MCC_STATUS_DOING_MCC)) {
if (MCC_STOP(adapter)) {
blocked = true;
goto exit;
}
}
}
#endif /* CONFIG_MCC_MODE */
exit:
return blocked;
}
#ifdef CONFIG_TX_AMSDU
void rtw_amsdu_vo_timeout_handler(void *FunctionContext)
{
_adapter *adapter = (_adapter *)FunctionContext;
adapter->xmitpriv.amsdu_vo_timeout = RTW_AMSDU_TIMER_TIMEOUT;
tasklet_hi_schedule(&adapter->xmitpriv.xmit_tasklet);
}
void rtw_amsdu_vi_timeout_handler(void *FunctionContext)
{
_adapter *adapter = (_adapter *)FunctionContext;
adapter->xmitpriv.amsdu_vi_timeout = RTW_AMSDU_TIMER_TIMEOUT;
tasklet_hi_schedule(&adapter->xmitpriv.xmit_tasklet);
}
void rtw_amsdu_be_timeout_handler(void *FunctionContext)
{
_adapter *adapter = (_adapter *)FunctionContext;
adapter->xmitpriv.amsdu_be_timeout = RTW_AMSDU_TIMER_TIMEOUT;
if (printk_ratelimit())
RTW_INFO("%s Timeout!\n",__func__);
tasklet_hi_schedule(&adapter->xmitpriv.xmit_tasklet);
}
void rtw_amsdu_bk_timeout_handler(void *FunctionContext)
{
_adapter *adapter = (_adapter *)FunctionContext;
adapter->xmitpriv.amsdu_bk_timeout = RTW_AMSDU_TIMER_TIMEOUT;
tasklet_hi_schedule(&adapter->xmitpriv.xmit_tasklet);
}
u8 rtw_amsdu_get_timer_status(_adapter *padapter, u8 priority)
{
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
u8 status = RTW_AMSDU_TIMER_UNSET;
switch(priority)
{
case 1:
case 2:
status = pxmitpriv->amsdu_bk_timeout;
break;
case 4:
case 5:
status = pxmitpriv->amsdu_vi_timeout;
break;
case 6:
case 7:
status = pxmitpriv->amsdu_vo_timeout;
break;
case 0:
case 3:
default:
status = pxmitpriv->amsdu_be_timeout;
break;
}
return status;
}
void rtw_amsdu_set_timer_status(_adapter *padapter, u8 priority, u8 status)
{
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
switch(priority)
{
case 1:
case 2:
pxmitpriv->amsdu_bk_timeout = status;
break;
case 4:
case 5:
pxmitpriv->amsdu_vi_timeout = status;
break;
case 6:
case 7:
pxmitpriv->amsdu_vo_timeout = status;
break;
case 0:
case 3:
default:
pxmitpriv->amsdu_be_timeout = status;
break;
}
}
void rtw_amsdu_set_timer(_adapter *padapter, u8 priority)
{
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
_timer* amsdu_timer = NULL;
switch(priority)
{
case 1:
case 2:
amsdu_timer = &pxmitpriv->amsdu_bk_timer;
break;
case 4:
case 5:
amsdu_timer = &pxmitpriv->amsdu_vi_timer;
break;
case 6:
case 7:
amsdu_timer = &pxmitpriv->amsdu_vo_timer;
break;
case 0:
case 3:
default:
amsdu_timer = &pxmitpriv->amsdu_be_timer;
break;
}
_set_timer(amsdu_timer, 1);
}
void rtw_amsdu_cancel_timer(_adapter *padapter, u8 priority)
{
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
_timer* amsdu_timer = NULL;
u8 cancel;
switch(priority)
{
case 1:
case 2:
amsdu_timer = &pxmitpriv->amsdu_bk_timer;
break;
case 4:
case 5:
amsdu_timer = &pxmitpriv->amsdu_vi_timer;
break;
case 6:
case 7:
amsdu_timer = &pxmitpriv->amsdu_vo_timer;
break;
case 0:
case 3:
default:
amsdu_timer = &pxmitpriv->amsdu_be_timer;
break;
}
_cancel_timer(amsdu_timer, &cancel);
}
#endif /* CONFIG_TX_AMSDU */
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, const char *msg)
{
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;
RTW_INFO("%s timeout: %s\n", __func__, msg);
} 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))
RTW_INFO("%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);
}
#ifdef CONFIG_XMIT_ACK
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, __func__);
}
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
RTW_INFO("%s ack_tx not set\n", __func__);
}
#endif /* CONFIG_XMIT_ACK */
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