forked from mschiu77/rtl8188cus_vendor
/
rtw_xmit.c
4224 lines (3367 loc) · 105 KB
/
rtw_xmit.c
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/******************************************************************************
*
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
#define _RTW_XMIT_C_
#include <drv_conf.h>
#include <osdep_service.h>
#include <drv_types.h>
#include <rtw_byteorder.h>
#include <wifi.h>
#include <osdep_intf.h>
#include <circ_buf.h>
#include <ip.h>
#if defined (PLATFORM_LINUX) && defined (PLATFORM_WINDOWS)
#error "Shall be Linux or Windows, but not both!\n"
#endif
#ifdef PLATFORM_WINDOWS
#include <if_ether.h>
#endif
#ifdef CONFIG_USB_HCI
#include <usb_ops.h>
#endif
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)
{
_func_enter_;
_rtw_init_listhead(&ptxservq->tx_pending);
_rtw_init_queue(&ptxservq->sta_pending);
ptxservq->qcnt = 0;
_func_exit_;
}
void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv)
{
_func_enter_;
_rtw_memset((unsigned char *)psta_xmitpriv, 0, sizeof (struct sta_xmit_priv));
_rtw_spinlock_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);
_rtw_init_listhead(&psta_xmitpriv->legacy_dz);
_rtw_init_listhead(&psta_xmitpriv->apsd);
_func_exit_;
}
s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, _adapter *padapter)
{
int i;
struct xmit_buf *pxmitbuf;
struct xmit_frame *pxframe;
sint res=_SUCCESS;
_func_enter_;
// We don't need to memset padapter->XXX to zero, because adapter is allocated by rtw_zvmalloc().
//_rtw_memset((unsigned char *)pxmitpriv, 0, sizeof(struct xmit_priv));
_rtw_spinlock_init(&pxmitpriv->lock);
_rtw_spinlock_init(&pxmitpriv->lock_sctx);
_rtw_init_sema(&pxmitpriv->xmit_sema, 0);
_rtw_init_sema(&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;
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("alloc xmit_frame fail!\n"));
res= _FAIL;
goto exit;
}
pxmitpriv->pxmit_frame_buf = (u8 *)N_BYTE_ALIGMENT((SIZE_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++)
{
_rtw_init_listhead(&(pxframe->list));
pxframe->padapter = padapter;
pxframe->frame_tag = NULL_FRAMETAG;
pxframe->pkt = NULL;
pxframe->buf_addr = NULL;
pxframe->pxmitbuf = NULL;
rtw_list_insert_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){
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("alloc xmit_buf fail!\n"));
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++)
{
_rtw_init_listhead(&pxmitbuf->list);
pxmitbuf->priv_data = NULL;
pxmitbuf->padapter = padapter;
pxmitbuf->ext_tag = _FALSE;
/*
pxmitbuf->pallocated_buf = rtw_zmalloc(MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ);
if (pxmitbuf->pallocated_buf == NULL)
{
res = _FAIL;
goto exit;
}
pxmitbuf->pbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitbuf->pallocated_buf), XMITBUF_ALIGN_SZ);
//pxmitbuf->pbuf = pxmitbuf->pallocated_buf + XMITBUF_ALIGN_SZ -((SIZE_PTR) (pxmitbuf->pallocated_buf) &(XMITBUF_ALIGN_SZ-1));
*/
if((res=rtw_os_xmit_resource_alloc(padapter, pxmitbuf,(MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ))) == _FAIL) {
res= _FAIL;
goto exit;
}
#ifdef CONFIG_SDIO_HCI
pxmitbuf->phead = pxmitbuf->pbuf;
pxmitbuf->pend = pxmitbuf->pbuf + MAX_XMITBUF_SZ;
pxmitbuf->len = 0;
pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
#endif
pxmitbuf->flags = XMIT_VO_QUEUE;
rtw_list_insert_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;
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("alloc xframe_ext fail!\n"));
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++) {
_rtw_init_listhead(&(pxframe->list));
pxframe->padapter = padapter;
pxframe->frame_tag = NULL_FRAMETAG;
pxframe->pkt = NULL;
pxframe->buf_addr = NULL;
pxframe->pxmitbuf = NULL;
pxframe->ext_tag = 1;
rtw_list_insert_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){
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("alloc xmit_extbuf fail!\n"));
res= _FAIL;
goto exit;
}
pxmitpriv->pxmit_extbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_xmit_extbuf), 4);
pxmitbuf = (struct xmit_buf*)pxmitpriv->pxmit_extbuf;
for (i = 0; i < NR_XMIT_EXTBUFF; i++)
{
_rtw_init_listhead(&pxmitbuf->list);
pxmitbuf->priv_data = NULL;
pxmitbuf->padapter = padapter;
pxmitbuf->ext_tag = _TRUE;
/*
pxmitbuf->pallocated_buf = rtw_zmalloc(MAX_XMIT_EXTBUF_SZ);
if (pxmitbuf->pallocated_buf == NULL)
{
res = _FAIL;
goto exit;
}
pxmitbuf->pbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitbuf->pallocated_buf), 4);
*/
if((res=rtw_os_xmit_resource_alloc(padapter, pxmitbuf,MAX_XMIT_EXTBUF_SZ + XMITBUF_ALIGN_SZ)) == _FAIL) {
res= _FAIL;
goto exit;
}
#ifdef CONFIG_SDIO_HCI
pxmitbuf->phead = pxmitbuf->pbuf;
pxmitbuf->pend = pxmitbuf->pbuf + MAX_XMIT_EXTBUF_SZ;
pxmitbuf->len = 0;
pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
#endif
rtw_list_insert_tail(&pxmitbuf->list, &(pxmitpriv->free_xmit_extbuf_queue.queue));
#ifdef DBG_XMIT_BUF
pxmitbuf->no=i;
#endif
pxmitbuf++;
}
pxmitpriv->free_xmit_extbuf_cnt = NR_XMIT_EXTBUFF;
rtw_alloc_hwxmits(padapter);
rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry);
#ifdef CONFIG_USB_HCI
pxmitpriv->txirp_cnt=1;
_rtw_init_sema(&(pxmitpriv->tx_retevt), 0);
//per AC pending irp
pxmitpriv->beq_cnt = 0;
pxmitpriv->bkq_cnt = 0;
pxmitpriv->viq_cnt = 0;
pxmitpriv->voq_cnt = 0;
#endif
#ifdef CONFIG_XMIT_ACK
pxmitpriv->ack_tx = _FALSE;
_rtw_mutex_init(&pxmitpriv->ack_tx_mutex);
rtw_sctx_init(&pxmitpriv->ack_tx_ops, 0);
#endif
rtw_hal_init_xmit_priv(padapter);
exit:
_func_exit_;
return res;
}
void rtw_mfree_xmit_priv_lock (struct xmit_priv *pxmitpriv);
void rtw_mfree_xmit_priv_lock (struct xmit_priv *pxmitpriv)
{
_rtw_spinlock_free(&pxmitpriv->lock);
_rtw_free_sema(&pxmitpriv->xmit_sema);
_rtw_free_sema(&pxmitpriv->terminate_xmitthread_sema);
_rtw_spinlock_free(&pxmitpriv->be_pending.lock);
_rtw_spinlock_free(&pxmitpriv->bk_pending.lock);
_rtw_spinlock_free(&pxmitpriv->vi_pending.lock);
_rtw_spinlock_free(&pxmitpriv->vo_pending.lock);
_rtw_spinlock_free(&pxmitpriv->bm_pending.lock);
//_rtw_spinlock_free(&pxmitpriv->legacy_dz_queue.lock);
//_rtw_spinlock_free(&pxmitpriv->apsd_queue.lock);
_rtw_spinlock_free(&pxmitpriv->free_xmit_queue.lock);
_rtw_spinlock_free(&pxmitpriv->free_xmitbuf_queue.lock);
_rtw_spinlock_free(&pxmitpriv->pending_xmitbuf_queue.lock);
}
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;
_func_enter_;
rtw_hal_free_xmit_priv(padapter);
rtw_mfree_xmit_priv_lock(pxmitpriv);
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));
//if(pxmitbuf->pallocated_buf)
// rtw_mfree(pxmitbuf->pallocated_buf, MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ);
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);
_rtw_spinlock_free(&pxmitpriv->free_xframe_ext_queue.lock);
// free xmit extension buff
_rtw_spinlock_free(&pxmitpriv->free_xmit_extbuf_queue.lock);
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));
//if(pxmitbuf->pallocated_buf)
// rtw_mfree(pxmitbuf->pallocated_buf, MAX_XMIT_EXTBUF_SZ);
pxmitbuf++;
}
if(pxmitpriv->pallocated_xmit_extbuf) {
rtw_vmfree(pxmitpriv->pallocated_xmit_extbuf, NR_XMIT_EXTBUFF * sizeof(struct xmit_buf) + 4);
}
rtw_free_hwxmits(padapter);
#ifdef CONFIG_XMIT_ACK
_rtw_mutex_free(&pxmitpriv->ack_tx_mutex);
#endif
out:
_func_exit_;
}
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
{
DBG_871X("%s, call rtw_get_stainfo()\n", __func__);
psta=rtw_get_stainfo(&padapter->stapriv ,&pattrib->ra[0] );
}
if(psta==NULL)
{
DBG_871X("%s, psta==NUL\n", __func__);
return;
}
if(!(psta->state &_FW_LINKED))
{
DBG_871X("%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(psta->rtsen)
pattrib->vcs_mode = RTS_CTS;
else if(psta->cts2self)
pattrib->vcs_mode = CTS_TO_SELF;
else
pattrib->vcs_mode = NONE_VCS;
}
}
else
{
while (_TRUE)
{
#if 0 //Todo
//check IOT action
if(pHTInfo->IOTAction & HT_IOT_ACT_FORCED_CTS2SELF)
{
pattrib->vcs_mode = CTS_TO_SELF;
pattrib->rts_rate = MGN_24M;
break;
}
else if(pHTInfo->IOTAction & (HT_IOT_ACT_FORCED_RTS|HT_IOT_ACT_PURE_N_MODE))
{
pattrib->vcs_mode = RTS_CTS;
pattrib->rts_rate = MGN_24M;
break;
}
#endif
//IOT action
if((pmlmeinfo->assoc_AP_vendor == atherosAP) && (pattrib->ampdu_en==_TRUE) &&
(padapter->securitypriv.dot11PrivacyAlgrthm == _AES_ ))
{
pattrib->vcs_mode = CTS_TO_SELF;
break;
}
//check ERP protection
if(psta->rtsen || psta->cts2self)
{
if(psta->rtsen)
pattrib->vcs_mode = RTS_CTS;
else if(psta->cts2self)
pattrib->vcs_mode = CTS_TO_SELF;
break;
}
//check HT op mode
if(pattrib->ht_en)
{
u8 HTOpMode = pmlmeinfo->HT_protection;
if((pmlmeext->cur_bwmode && (HTOpMode == 2 || HTOpMode == 3)) ||
(!pmlmeext->cur_bwmode && HTOpMode == 3) )
{
pattrib->vcs_mode = RTS_CTS;
break;
}
}
//check rts
if(sz > padapter->registrypriv.rts_thresh)
{
pattrib->vcs_mode = RTS_CTS;
break;
}
//to do list: check MIMO power save condition.
//check AMPDU aggregation for TXOP
if(pattrib->ampdu_en==_TRUE)
{
pattrib->vcs_mode = RTS_CTS;
break;
}
pattrib->vcs_mode = NONE_VCS;
break;
}
}
}
static void update_attrib_phy_info(struct pkt_attrib *pattrib, struct sta_info *psta)
{
/*if(psta->rtsen)
pattrib->vcs_mode = RTS_CTS;
else if(psta->cts2self)
pattrib->vcs_mode = CTS_TO_SELF;
else
pattrib->vcs_mode = NONE_VCS;*/
pattrib->mdata = 0;
pattrib->eosp = 0;
pattrib->triggered=0;
//qos_en, ht_en, init rate, ,bw, ch_offset, sgi
pattrib->qos_en = psta->qos_option;
pattrib->ht_en = psta->htpriv.ht_option;
pattrib->raid = psta->raid;
pattrib->bwmode = psta->htpriv.bwmode;
pattrib->ch_offset = psta->htpriv.ch_offset;
pattrib->sgi= psta->htpriv.sgi;
pattrib->ampdu_en = _FALSE;
//if(pattrib->ht_en && psta->htpriv.ampdu_enable)
//{
// if(psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority))
// pattrib->ampdu_en = _TRUE;
//}
pattrib->retry_ctrl = _FALSE;
}
u8 qos_acm(u8 acm_mask, u8 priority)
{
u8 change_priority = priority;
switch (priority)
{
case 0:
case 3:
if(acm_mask & BIT(1))
change_priority = 1;
break;
case 1:
case 2:
break;
case 4:
case 5:
if(acm_mask & BIT(2))
change_priority = 0;
break;
case 6:
case 7:
if(acm_mask & BIT(3))
change_priority = 5;
break;
default:
DBG_871X("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*)ðerhdr, 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) {
// "When priority processing of data frames is supported,
// a STA's SME should send EAPOL-Key frames at the highest priority."
UserPriority = 7;
}
pattrib->priority = UserPriority;
pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN;
pattrib->subtype = WIFI_QOS_DATA_TYPE;
}
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;
sint res = _SUCCESS;
_func_enter_;
_rtw_open_pktfile(pkt, &pktfile);
i = _rtw_pktfile_read(&pktfile, (u8*)ðerhdr, ETH_HLEN);
pattrib->ether_type = ntohs(etherhdr.h_proto);
_rtw_memcpy(pattrib->dst, ðerhdr.h_dest, ETH_ALEN);
_rtw_memcpy(pattrib->src, ðerhdr.h_source, ETH_ALEN);
pattrib->pctrl = 0;
if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == _TRUE) ||
(check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == _TRUE)) {
_rtw_memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
_rtw_memcpy(pattrib->ta, myid(&padapter->eeprompriv), ETH_ALEN);
}
else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
_rtw_memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN);
_rtw_memcpy(pattrib->ta, myid(&padapter->eeprompriv), ETH_ALEN);
}
else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
_rtw_memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
_rtw_memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN);
}
pattrib->pktlen = pktfile.pkt_len;
if (ETH_P_IP == pattrib->ether_type)
{
// The following is for DHCP and ARP packet, we use cck1M to tx these packets and let LPS awake some time
// to prevent DHCP protocol fail
u8 tmp[24];
_rtw_pktfile_read(&pktfile, &tmp[0], 24);
pattrib->dhcp_pkt = 0;
if (pktfile.pkt_len > 282) {//MINIMUM_DHCP_PACKET_SIZE) {
if (ETH_P_IP == pattrib->ether_type) {// IP header
if (((tmp[21] == 68) && (tmp[23] == 67)) ||
((tmp[21] == 67) && (tmp[23] == 68))) {
// 68 : UDP BOOTP client
// 67 : UDP BOOTP server
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("======================update_attrib: get DHCP Packet \n"));
// Use low rate to send DHCP packet.
//if(pMgntInfo->IOTAction & HT_IOT_ACT_WA_IOT_Broadcom)
//{
// tcb_desc->DataRate = MgntQuery_TxRateExcludeCCKRates(ieee);//0xc;//ofdm 6m
// tcb_desc->bTxDisableRateFallBack = false;
//}
//else
// pTcb->DataRate = Adapter->MgntInfo.LowestBasicRate;
//RTPRINT(FDM, WA_IOT, ("DHCP TranslateHeader(), pTcb->DataRate = 0x%x\n", pTcb->DataRate));
pattrib->dhcp_pkt = 1;
}
}
}
}
if ( (pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1) )
{
rtw_set_scan_deny(padapter, 3000);
}
#ifdef CONFIG_LPS
// If EAPOL , ARP , OR DHCP packet, driver must be in active mode.
if ( (pattrib->ether_type == 0x0806) || (pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1) )
{
rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SPECIAL_PACKET, 1);
}
#endif
bmcast = IS_MCAST(pattrib->ra);
// get sta_info
if (bmcast) {
psta = rtw_get_bcmc_stainfo(padapter);
} else {
psta = rtw_get_stainfo(pstapriv, pattrib->ra);
if (psta == NULL) { // if we cannot get psta => drrp the pkt
RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:" MAC_FMT"\n", MAC_ARG(pattrib->ra)));
#ifdef DBG_TX_DROP_FRAME
DBG_871X("DBG_TX_DROP_FRAME %s get sta_info fail, ra:" MAC_FMT"\n", __FUNCTION__, MAC_ARG(pattrib->ra));
#endif
res =_FAIL;
goto exit;
}
else if((check_fwstate(pmlmepriv, WIFI_AP_STATE)==_TRUE)&&(!(psta->state & _FW_LINKED)))
{
res =_FAIL;
goto exit;
}
}
if (psta)
{
pattrib->mac_id = psta->mac_id;
pattrib->psta = psta;
}
else
{
// if we cannot get psta => drop the pkt
RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:" MAC_FMT "\n", MAC_ARG(pattrib->ra)));
#ifdef DBG_TX_DROP_FRAME
DBG_871X("DBG_TX_DROP_FRAME %s get sta_info fail, ra:" MAC_FMT"\n", __FUNCTION__, MAC_ARG(pattrib->ra));
#endif
res = _FAIL;
goto exit;
}
pattrib->ack_policy = 0;
// get ether_hdr_len
pattrib->pkt_hdrlen = ETH_HLEN;//(pattrib->ether_type == 0x8100) ? (14 + 4 ): 14; //vlan tag
pattrib->hdrlen = WLAN_HDR_A3_LEN;
pattrib->subtype = WIFI_DATA_TYPE;
pattrib->priority = 0;
if (check_fwstate(pmlmepriv, WIFI_AP_STATE|WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE))
{
if(psta->qos_option)
set_qos(&pktfile, pattrib);
}
else
{
if(pqospriv->qos_option)
{
set_qos(&pktfile, pattrib);
if(pmlmepriv->acm_mask != 0)
{
pattrib->priority = qos_acm(pmlmepriv->acm_mask, pattrib->priority);
}
}
}
//pattrib->priority = 5; //force to used VI queue, for testing
if (psta->ieee8021x_blocked == _TRUE)
{
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("\n psta->ieee8021x_blocked == _TRUE \n"));
pattrib->encrypt = 0;
if((pattrib->ether_type != 0x888e) && (check_fwstate(pmlmepriv, WIFI_MP_STATE) == _FALSE))
{
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("\npsta->ieee8021x_blocked == _TRUE, pattrib->ether_type(%.4x) != 0x888e\n",pattrib->ether_type));
#ifdef DBG_TX_DROP_FRAME
DBG_871X("DBG_TX_DROP_FRAME %s psta->ieee8021x_blocked == _TRUE, pattrib->ether_type(%.4x) != 0x888e\n", __FUNCTION__,pattrib->ether_type);
#endif
res = _FAIL;
goto exit;
}
}
else
{
GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast);
switch(psecuritypriv->dot11AuthAlgrthm)
{
case dot11AuthAlgrthm_Open:
case dot11AuthAlgrthm_Shared:
case dot11AuthAlgrthm_Auto:
pattrib->key_idx = (u8)psecuritypriv->dot11PrivacyKeyIndex;
break;
case dot11AuthAlgrthm_8021X:
if(bmcast)
pattrib->key_idx = (u8)psecuritypriv->dot118021XGrpKeyid;
else
pattrib->key_idx = 0;
break;
default:
pattrib->key_idx = 0;
break;
}
}
switch (pattrib->encrypt)
{
case _WEP40_:
case _WEP104_:
pattrib->iv_len = 4;
pattrib->icv_len = 4;
break;
case _TKIP_:
pattrib->iv_len = 8;
pattrib->icv_len = 4;
if(padapter->securitypriv.busetkipkey==_FAIL)
{
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("\npadapter->securitypriv.busetkipkey(%d)==_FAIL drop packet\n", padapter->securitypriv.busetkipkey));
#ifdef DBG_TX_DROP_FRAME
DBG_871X("DBG_TX_DROP_FRAME %s padapter->securitypriv.busetkipkey(%d)==_FAIL drop packet\n", __FUNCTION__, padapter->securitypriv.busetkipkey);
#endif
res =_FAIL;
goto exit;
}
break;
case _AES_:
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("\n pattrib->encrypt=%d (_AES_)\n",pattrib->encrypt));
pattrib->iv_len = 8;
pattrib->icv_len = 8;
break;
default:
pattrib->iv_len = 0;
pattrib->icv_len = 0;
break;
}
RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
("update_attrib: encrypt=%d securitypriv.sw_encrypt=%d\n",
pattrib->encrypt, padapter->securitypriv.sw_encrypt));
if (pattrib->encrypt &&
((padapter->securitypriv.sw_encrypt == _TRUE) || (psecuritypriv->hw_decrypted == _FALSE)))
{
pattrib->bswenc = _TRUE;
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,
("update_attrib: encrypt=%d securitypriv.hw_decrypted=%d bswenc=_TRUE\n",
pattrib->encrypt, padapter->securitypriv.sw_encrypt));
} else {
pattrib->bswenc = _FALSE;
RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("update_attrib: bswenc=_FALSE\n"));
}
#if defined(CONFIG_CONCURRENT_MODE) && !defined(DYNAMIC_CAMID_ALLOC)
if((pattrib->encrypt && bmcast) || (pattrib->encrypt ==_WEP40_) || (pattrib->encrypt ==_WEP104_))
{
pattrib->bswenc = _TRUE;//force using sw enc.
}
#endif
rtw_set_tx_chksum_offload(pkt, pattrib);
update_attrib_phy_info(pattrib, psta);
exit:
_func_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};
sint bmcst = IS_MCAST(pattrib->ra);
if(pattrib->psta)
{
stainfo = pattrib->psta;
}
else
{
DBG_871X("%s, call rtw_get_stainfo()\n", __func__);
stainfo=rtw_get_stainfo(&padapter->stapriv ,&pattrib->ra[0]);
}
if(stainfo==NULL)
{
DBG_871X("%s, psta==NUL\n", __func__);
return _FAIL;
}
if(!(stainfo->state &_FW_LINKED))
{
DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, stainfo->state);
return _FAIL;
}
_func_enter_;
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};
#ifdef CONFIG_USB_TX_AGGREGATION
pframe = pxmitframe->buf_addr + TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);
#else
pframe = pxmitframe->buf_addr + TXDESC_OFFSET;
#endif
if(bmcst)
{
if(_rtw_memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16)==_TRUE){
//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(_rtw_memcmp(&stainfo->dot11tkiptxmickey.skey[0],null_key, 16)==_TRUE){
//DbgPrint("\nxmitframe_addmic:stainfo->dot11tkiptxmickey==0\n");
//rtw_msleep_os(10);
return _FAIL;
}
//start to calculate the mic code
rtw_secmicsetkey(&micdata, &stainfo->dot11tkiptxmickey.skey[0]);
}