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rtl8188eu/core/rtw_xmit.c
Larry Finger d2c90ee304 rtl8188eu: Change C90 comments to kernel form for files in core/ 
This commit also includes some sparse fixes for endian issues.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2013-07-09 17:38:46 -05:00

3796 lines
93 KiB
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/******************************************************************************
*
* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
#define _RTW_XMIT_C_
#include <drv_conf.h>
#include <osdep_service.h>
#include <drv_types.h>
#include <wifi.h>
#include <osdep_intf.h>
#include <circ_buf.h>
#include <ip.h>
#include <usb_ops.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)
{
_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;
u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ;
u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
_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_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;
/* Tx buf allocation may fail sometimes, so sleep and retry. */
if ((res=rtw_os_xmit_resource_alloc(padapter, pxmitbuf,(MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ))) == _FAIL) {
rtw_msleep_os(10);
res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf,(MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
if (res == _FAIL) {
goto exit;
}
}
#if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_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 xmit extension buff */
_rtw_init_queue(&pxmitpriv->free_xmit_extbuf_queue);
pxmitpriv->pallocated_xmit_extbuf = rtw_zvmalloc(num_xmit_extbuf * sizeof(struct xmit_buf) + 4);
if (pxmitpriv->pallocated_xmit_extbuf == NULL){
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("alloc xmit_extbuf fail!\n"));
res= _FAIL;
goto exit;
}
pxmitpriv->pxmit_extbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_xmit_extbuf), 4);
pxmitbuf = (struct xmit_buf*)pxmitpriv->pxmit_extbuf;
for (i = 0; i < num_xmit_extbuf; 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_size);
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_size + XMITBUF_ALIGN_SZ)) == _FAIL) {
res= _FAIL;
goto exit;
}
#if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
pxmitbuf->phead = pxmitbuf->pbuf;
pxmitbuf->pend = pxmitbuf->pbuf + max_xmit_extbuf_size;
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_EXT
pxmitbuf->no=i;
#endif
pxmitbuf++;
}
pxmitpriv->free_xmit_extbuf_cnt = num_xmit_extbuf;
rtw_alloc_hwxmits(padapter);
rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry);
for (i = 0; i < 4; i ++)
{
pxmitpriv->wmm_para_seq[i] = i;
}
#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;
u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ;
u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
#if defined(CONFIG_MP_INCLUDED) && defined(CONFIG_RTL8723A)
if (padapter->registrypriv.mp_mode) {
max_xmit_extbuf_size = 20000;
num_xmit_extbuf = 1;
}
#endif
_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 xmit extension buff */
_rtw_spinlock_free(&pxmitpriv->free_xmit_extbuf_queue.lock);
pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
for (i=0; i<num_xmit_extbuf; i++)
{
rtw_os_xmit_resource_free(padapter, pxmitbuf,(max_xmit_extbuf_size + XMITBUF_ALIGN_SZ));
/* if (pxmitbuf->pallocated_buf) */
/* rtw_mfree(pxmitbuf->pallocated_buf, max_xmit_extbuf_size); */
pxmitbuf++;
}
if (pxmitpriv->pallocated_xmit_extbuf) {
rtw_vmfree(pxmitpriv->pallocated_xmit_extbuf, num_xmit_extbuf * 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->nr_frags != 1)
{
sz = padapter->xmitpriv.frag_len;
}
else /* no frag */
{
sz = pattrib->last_txcmdsz;
}
/* (1) RTS_Threshold is compared to the MPDU, not MSDU. */
/* (2) If there are more than one frag in this MSDU, only the first frag uses protection frame. */
/* Other fragments are protected by previous fragment. */
/* So we only need to check the length of first fragment. */
if (pmlmeext->cur_wireless_mode < WIRELESS_11_24N || padapter->registrypriv.wifi_spec)
{
if (sz > padapter->registrypriv.rts_thresh)
{
pattrib->vcs_mode = RTS_CTS;
}
else
{
if (psta->rtsen)
pattrib->vcs_mode = RTS_CTS;
else if (psta->cts2self)
pattrib->vcs_mode = CTS_TO_SELF;
else
pattrib->vcs_mode = NONE_VCS;
}
}
else
{
while (true)
{
/* IOT action */
if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_ATHEROS) && (pattrib->ampdu_en==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->raid = psta->raid;
#ifdef CONFIG_80211N_HT
pattrib->ht_en = psta->htpriv.ht_option;
pattrib->bwmode = psta->htpriv.bwmode;
pattrib->ch_offset = psta->htpriv.ch_offset;
pattrib->sgi= psta->htpriv.sgi;
pattrib->ampdu_en = false;
#endif /* CONFIG_80211N_HT */
/* 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_88E("qos_acm(): invalid pattrib->priority: %d!!!\n", priority);
break;
}
return change_priority;
}
static void set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib)
{
struct ethhdr etherhdr;
struct iphdr ip_hdr;
s32 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) {
/* "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)
{
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);
_rtw_pktfile_read(&pktfile, (u8*)&etherhdr, ETH_HLEN);
pattrib->ether_type = ntohs(etherhdr.h_proto);
_rtw_memcpy(pattrib->dst, &etherhdr.h_dest, ETH_ALEN);
_rtw_memcpy(pattrib->src, &etherhdr.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, pattrib->src, ETH_ALEN);
}
else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
_rtw_memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN);
_rtw_memcpy(pattrib->ta, pattrib->src, 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. */
pattrib->dhcp_pkt = 1;
}
}
}
} else if (0x888e == pattrib->ether_type) {
DBG_88E_LEVEL(_drv_info_, "send eapol packet\n");
}
if ( (pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1) )
{
rtw_set_scan_deny(padapter, 3000);
}
#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
if ( (pattrib->ether_type == 0x0806) || (pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1) )
#endif
{
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: %pM\n", (pattrib->ra)));
#ifdef DBG_TX_DROP_FRAME
DBG_88E("DBG_TX_DROP_FRAME %s get sta_info fail, ra: %pM\n", __func__, (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;
/* DBG_88E("%s ==> mac_id(%d)\n",__func__,pattrib->mac_id ); */
pattrib->psta = psta;
}
else
{
/* if we cannot get psta => drop the pkt */
RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:%pM\n", (pattrib->ra)));
#ifdef DBG_TX_DROP_FRAME
DBG_88E("DBG_TX_DROP_FRAME %s get sta_info fail, ra:%pM\n", __func__, (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);
}
}
}
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_88E("DBG_TX_DROP_FRAME %s psta->ieee8021x_blocked == true, 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;
}
}
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_88E("DBG_TX_DROP_FRAME %s padapter->securitypriv.busetkipkey(%d)==_FAIL drop packet\n", __func__, padapter->securitypriv.busetkipkey);
#endif
res =_FAIL;
goto exit;
}
break;
case _AES_:
RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("pattrib->encrypt=%d (_AES_)\n",pattrib->encrypt));
pattrib->iv_len = 8;
pattrib->icv_len = 8;
break;
#ifdef CONFIG_WAPI_SUPPORT
case _SMS4_:
pattrib->iv_len = 18;
pattrib->icv_len = 16;
break;
#endif
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"));
}
#ifdef CONFIG_CONCURRENT_MODE
if ((pattrib->encrypt && bmcast) || (pattrib->encrypt ==_WEP40_) || (pattrib->encrypt ==_WEP104_))
{
pattrib->bswenc = true;/* force using sw enc. */
}
#endif
#ifdef CONFIG_WAPI_SUPPORT
if (pattrib->encrypt == _SMS4_)
pattrib->bswenc = false;
#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};
u8 hw_hdr_offset = 0;
sint bmcst = IS_MCAST(pattrib->ra);
if (pattrib->psta)
{
stainfo = pattrib->psta;
}
else
{
stainfo=rtw_get_stainfo(&padapter->stapriv ,&pattrib->ra[0]);
}
_func_enter_;
#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 (_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]);
}
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));
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("===curfragnum=%d, pframe= 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x,!!!\n",
curfragnum,*payload, *(payload+1),*(payload+2),*(payload+3),*(payload+4),*(payload+5),*(payload+6),*(payload+7)));
payload=payload+pattrib->hdrlen+pattrib->iv_len;
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("curfragnum=%d pattrib->hdrlen=%d pattrib->iv_len=%d",curfragnum,pattrib->hdrlen,pattrib->iv_len));
if ((curfragnum+1)==pattrib->nr_frags){
length=pattrib->last_txcmdsz-pattrib->hdrlen-pattrib->iv_len-( (pattrib->bswenc) ? pattrib->icv_len : 0);
rtw_secmicappend(&micdata, payload,length);
payload=payload+length;
}
else{
length=pxmitpriv->frag_len-pattrib->hdrlen-pattrib->iv_len-( (pattrib->bswenc) ? pattrib->icv_len : 0);
rtw_secmicappend(&micdata, payload, length);
payload=payload+length+pattrib->icv_len;
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("curfragnum=%d length=%d pattrib->icv_len=%d",curfragnum,length,pattrib->icv_len));
}
}
rtw_secgetmic(&micdata,&(mic[0]));
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("xmitframe_addmic: before add mic code!!!\n"));
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("xmitframe_addmic: pattrib->last_txcmdsz=%d!!!\n",pattrib->last_txcmdsz));
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("xmitframe_addmic: mic[0]=0x%.2x ,mic[1]=0x%.2x ,mic[2]=0x%.2x ,mic[3]=0x%.2x\n\
mic[4]=0x%.2x ,mic[5]=0x%.2x ,mic[6]=0x%.2x ,mic[7]=0x%.2x !!!!\n",
mic[0],mic[1],mic[2],mic[3],mic[4],mic[5],mic[6],mic[7]));
/* add mic code and add the mic code length in last_txcmdsz */
_rtw_memcpy(payload, &(mic[0]),8);
pattrib->last_txcmdsz+=8;
RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("\n ========last pkt========\n"));
payload=payload-pattrib->last_txcmdsz+8;
for (curfragnum=0;curfragnum<pattrib->last_txcmdsz;curfragnum=curfragnum+8)
RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,(" %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x ",
*(payload+curfragnum), *(payload+curfragnum+1), *(payload+curfragnum+2),*(payload+curfragnum+3),
*(payload+curfragnum+4),*(payload+curfragnum+5),*(payload+curfragnum+6),*(payload+curfragnum+7)));
}
else{
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("xmitframe_addmic: rtw_get_stainfo==NULL!!!\n"));
}
}
_func_exit_;
return _SUCCESS;
}
static s32 xmitframe_swencrypt(_adapter *padapter, struct xmit_frame *pxmitframe){
struct pkt_attrib *pattrib = &pxmitframe->attrib;
/* struct security_priv *psecuritypriv=&padapter->securitypriv; */
_func_enter_;
/* if ((psecuritypriv->sw_encrypt)||(pattrib->bswenc)) */
if (pattrib->bswenc)
{
/* DBG_88E("start xmitframe_swencrypt\n"); */
RT_TRACE(_module_rtl871x_xmit_c_,_drv_alert_,("### xmitframe_swencrypt\n"));
switch (pattrib->encrypt){
case _WEP40_:
case _WEP104_:
rtw_wep_encrypt(padapter, (u8 *)pxmitframe);
break;
case _TKIP_:
rtw_tkip_encrypt(padapter, (u8 *)pxmitframe);
break;
case _AES_:
rtw_aes_encrypt(padapter, (u8 * )pxmitframe);
break;
#ifdef CONFIG_WAPI_SUPPORT
case _SMS4_:
rtw_sms4_encrypt(padapter, (u8 * )pxmitframe);
#endif
default:
break;
}
} else {
RT_TRACE(_module_rtl871x_xmit_c_,_drv_notice_,("### xmitframe_hwencrypt\n"));
}
_func_exit_;
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;
#ifdef CONFIG_TDLS
struct tdls_info *ptdlsinfo = &padapter->tdlsinfo;
struct sta_priv *pstapriv = &padapter->stapriv;
struct sta_info *ptdls_sta=NULL, *psta_backup=NULL;
u8 direct_link=0;
#endif /* CONFIG_TDLS */
sint res = _SUCCESS;
u16 *fctrl = &pwlanhdr->frame_ctl;
struct sta_info *psta;
sint bmcst = IS_MCAST(pattrib->ra);
_func_enter_;
if (pattrib->psta) {
psta = pattrib->psta;
} else {
if (bmcst) {
psta = rtw_get_bcmc_stainfo(padapter);
} else {
psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
}
}
_rtw_memset(hdr, 0, WLANHDR_OFFSET);
SetFrameSubType(fctrl, pattrib->subtype);
if (pattrib->subtype & WIFI_DATA_TYPE) {
if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true)) {
/* to_ds = 1, fr_ds = 0; */
#ifdef CONFIG_TDLS
if ((ptdlsinfo->setup_state == TDLS_LINKED_STATE)){
ptdls_sta = rtw_get_stainfo(pstapriv, pattrib->dst);
if ((ptdls_sta!=NULL)&&(ptdls_sta->tdls_sta_state & TDLS_LINKED_STATE)&&(pattrib->ether_type!=0x0806)){
/* TDLS data transfer, ToDS=0, FrDs=0 */
_rtw_memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN);
direct_link=1;
}else{
/* 1.Data transfer to AP */
/* 2.Arp pkt will relayed by AP */
SetToDs(fctrl);
_rtw_memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN);
}
}else
#endif /* CONFIG_TDLS */
{
/* Data transfer to AP */
SetToDs(fctrl);
_rtw_memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN);
}
if (pqospriv->qos_option)
qos_option = true;
}
else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) ) {
/* to_ds = 0, fr_ds = 1; */
SetFrDs(fctrl);
_rtw_memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr2, get_bssid(pmlmepriv), ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr3, pattrib->src, ETH_ALEN);
if (psta->qos_option)
qos_option = true;
}
else if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) ||
(check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)) {
_rtw_memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN);
if (psta->qos_option)
qos_option = true;
}
else {
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("fw_state:%x is not allowed to xmit frame\n", get_fwstate(pmlmepriv)));
res = _FAIL;
goto exit;
}
if (pattrib->mdata)
SetMData(fctrl);
if (pattrib->encrypt)
SetPrivacy(fctrl);
if (qos_option)
{
qc = (unsigned short *)(hdr + pattrib->hdrlen - 2);
if (pattrib->priority)
SetPriority(qc, pattrib->priority);
SetEOSP(qc, pattrib->eosp);
SetAckpolicy(qc, pattrib->ack_policy);
}
/* TODO: fill HT Control Field */
/* Update Seq Num will be handled by f/w */
{
if (psta){
#ifdef CONFIG_TDLS
if (direct_link==1)
{
psta_backup = psta;
psta = ptdls_sta;
}
#endif /* CONFIG_TDLS */
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);
#ifdef CONFIG_80211N_HT
/* check if enable ampdu */
if (pattrib->ht_en && psta->htpriv.ampdu_enable)
{
if (psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority))
pattrib->ampdu_en = true;
}
/* re-check if enable ampdu by BA_starting_seqctrl */
if (pattrib->ampdu_en == true)
{
u16 tx_seq;
tx_seq = psta->BA_starting_seqctrl[pattrib->priority & 0x0f];
/* check BA_starting_seqctrl */
if (SN_LESS(pattrib->seqnum, tx_seq))
{
/* DBG_88E("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
{
/* DBG_88E("tx ampdu over run\n"); */
psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (pattrib->seqnum+1)&0xfff;
pattrib->ampdu_en = true;/* AGG EN */
}
}
#endif /* CONFIG_80211N_HT */
#ifdef CONFIG_TDLS
if (direct_link==1)
{
if (pattrib->encrypt){
pattrib->encrypt= _AES_;
pattrib->iv_len=8;
pattrib->icv_len=8;
}
/* qos_en, ht_en, init rate, ,bw, ch_offset, sgi */
/* pattrib->qos_en = ptdls_sta->qos_option; */
pattrib->raid = ptdls_sta->raid;
#ifdef CONFIG_80211N_HT
pattrib->bwmode = ptdls_sta->htpriv.bwmode;
pattrib->ht_en = ptdls_sta->htpriv.ht_option;
pattrib->ch_offset = ptdls_sta->htpriv.ch_offset;
pattrib->sgi= ptdls_sta->htpriv.sgi;
#endif /* CONFIG_80211N_HT */
pattrib->mac_id = ptdls_sta->mac_id;
psta = psta_backup;
}
#endif /* CONFIG_TDLS */
}
}
}
else
{
}
exit:
_func_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;
psta = pattrib->psta;
switch (priority)
{
case 1:
case 2:
ptxservq = &(psta->sta_xmitpriv.bk_q);
break;
case 4:
case 5:
ptxservq = &(psta->sta_xmitpriv.vi_q);
break;
case 6:
case 7:
ptxservq = &(psta->sta_xmitpriv.vo_q);
break;
case 0:
case 3:
default:
ptxservq = &(psta->sta_xmitpriv.be_q);
break;
}
return ptxservq->qcnt;
}
#ifdef CONFIG_TDLS
int rtw_build_tdls_ies(_adapter * padapter, struct xmit_frame * pxmitframe, u8 *pframe, u8 action)
{
int res=_SUCCESS;
switch (action){
case TDLS_SETUP_REQUEST:
rtw_build_tdls_setup_req_ies(padapter, pxmitframe, pframe);
break;
case TDLS_SETUP_RESPONSE:
rtw_build_tdls_setup_rsp_ies(padapter, pxmitframe, pframe);
break;
case TDLS_SETUP_CONFIRM:
rtw_build_tdls_setup_cfm_ies(padapter, pxmitframe, pframe);
break;
case TDLS_TEARDOWN:
rtw_build_tdls_teardown_ies(padapter, pxmitframe, pframe);
break;
case TDLS_DISCOVERY_REQUEST:
rtw_build_tdls_dis_req_ies(padapter, pxmitframe, pframe);
break;
case TDLS_PEER_TRAFFIC_INDICATION:
rtw_build_tdls_peer_traffic_indication_ies(padapter, pxmitframe, pframe);
break;
case TDLS_CHANNEL_SWITCH_REQUEST:
rtw_build_tdls_ch_switch_req_ies(padapter, pxmitframe, pframe);
break;
case TDLS_CHANNEL_SWITCH_RESPONSE:
rtw_build_tdls_ch_switch_rsp_ies(padapter, pxmitframe, pframe);
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, u8 action)
{
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;
_func_enter_;
_rtw_memset(hdr, 0, WLANHDR_OFFSET);
SetFrameSubType(fctrl, pattrib->subtype);
switch (action){
case TDLS_SETUP_REQUEST:
case TDLS_SETUP_RESPONSE:
case TDLS_SETUP_CONFIRM:
case TDLS_TEARDOWN: /* directly to peer STA or via AP */
case TDLS_PEER_TRAFFIC_INDICATION:
case TDLS_PEER_PSM_REQUEST: /* directly to peer STA or via AP */
case TUNNELED_PROBE_REQ:
case TUNNELED_PROBE_RSP:
SetToDs(fctrl);
_rtw_memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
_rtw_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:
_rtw_memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN);
tdls_seq=1;
break;
case TDLS_DISCOVERY_REQUEST: /* unicast: directly to peer sta, Bcast: via AP */
if (_rtw_memcmp(pattrib->dst, baddr, ETH_ALEN) )
{
SetToDs(fctrl);
_rtw_memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN);
}
else
{
_rtw_memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN);
tdls_seq=1;
}
break;
}
if (pattrib->encrypt)
SetPrivacy(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;
}
}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:
_func_exit_;
return res;
}
s32 rtw_xmit_tdls_coalesce(_adapter * padapter, struct xmit_frame * pxmitframe, u8 action)
{
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;
_func_enter_;
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)
return _FAIL;
if (pxmitframe->buf_addr == NULL)
return _FAIL;
pbuf_start = pxmitframe->buf_addr;
mem_start = pbuf_start + TXDESC_OFFSET;
if (rtw_make_tdls_wlanhdr(padapter, mem_start, pattrib, action) == _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;
}
}
_rtw_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, action);
if ((pattrib->icv_len >0 )&& (pattrib->bswenc)) {
pframe += pattrib->pktlen;
_rtw_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)
{
goto exit;
}
xmitframe_swencrypt(padapter, pxmitframe);
update_attrib_vcs_info(padapter, pxmitframe);
exit:
_func_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;
}
/*
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;
_func_enter_;
/* if (pattrib->psta) { */
/* psta = pattrib->psta; */
/* else */
{
psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
}
if (psta==NULL)
return _FAIL;
if (pxmitframe->buf_addr == NULL){
DBG_88E("==> %s buf_addr==NULL\n",__func__);
return _FAIL;
}
pbuf_start = pxmitframe->buf_addr;
#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) {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n"));
DBG_88E("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n");
res = _FAIL;
goto exit;
}
_rtw_open_pktfile(pkt, &pktfile);
_rtw_pktfile_read(&pktfile, NULL, pattrib->pkt_hdrlen);
frg_inx = 0;
frg_len = pxmitpriv->frag_len - 4;/* 2346-4 = 2342 */
while (1)
{
llc_sz = 0;
mpdu_len = frg_len;
pframe = mem_start;
SetMFrag(mem_start);
pframe += pattrib->hdrlen;
mpdu_len -= pattrib->hdrlen;
/* adding icv, if necessary... */
if (pattrib->iv_len)
{
/* if (check_fwstate(pmlmepriv, WIFI_MP_STATE)) */
/* psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv)); */
/* else */
/* psta = rtw_get_stainfo(pstapriv, pattrib->ra); */
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;
#ifdef CONFIG_WAPI_SUPPORT
case _SMS4_:
rtw_wapi_get_iv(padapter,pattrib->ra,pattrib->iv);
break;
#endif
}
}
_rtw_memcpy(pframe, pattrib->iv, pattrib->iv_len);
RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_,
("rtw_xmitframe_coalesce: keyid=%d pattrib->iv[3]=%.2x pframe=%.2x %.2x %.2x %.2x\n",
padapter->securitypriv.dot11PrivacyKeyIndex, pattrib->iv[3], *pframe, *(pframe+1), *(pframe+2), *(pframe+3)));
pframe += pattrib->iv_len;
mpdu_len -= pattrib->iv_len;
}
if (frg_inx == 0) {
llc_sz = rtw_put_snap(pframe, pattrib->ether_type);
pframe += llc_sz;
mpdu_len -= llc_sz;
}
if ((pattrib->icv_len >0) && (pattrib->bswenc)) {
mpdu_len -= pattrib->icv_len;
}
if (bmcst) {
/* don't do fragment to broadcat/multicast packets */
mem_sz = _rtw_pktfile_read(&pktfile, pframe, pattrib->pktlen);
} else {
mem_sz = _rtw_pktfile_read(&pktfile, pframe, mpdu_len);
}
pframe += mem_sz;
if ((pattrib->icv_len >0 )&& (pattrib->bswenc)) {
_rtw_memcpy(pframe, pattrib->icv, pattrib->icv_len);
pframe += pattrib->icv_len;
}
frg_inx++;
if (bmcst || (rtw_endofpktfile(&pktfile) == true))
{
pattrib->nr_frags = frg_inx;
pattrib->last_txcmdsz = pattrib->hdrlen + pattrib->iv_len + ((pattrib->nr_frags==1)? llc_sz:0) +
((pattrib->bswenc) ? pattrib->icv_len : 0) + mem_sz;
ClearMFrag(mem_start);
break;
} else {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: There're still something in packet!\n", __func__));
}
addr = (SIZE_PTR)(pframe);
mem_start = (unsigned char *)RND4(addr) + hw_hdr_offset;
_rtw_memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen);
}
if (xmitframe_addmic(padapter, pxmitframe) == _FAIL)
{
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic(padapter, pxmitframe)==_FAIL\n"));
DBG_88E("xmitframe_addmic(padapter, pxmitframe)==_FAIL\n");
res = _FAIL;
goto exit;
}
xmitframe_swencrypt(padapter, pxmitframe);
if (bmcst == false)
update_attrib_vcs_info(padapter, pxmitframe);
else
pattrib->vcs_mode = NONE_VCS;
exit:
_func_exit_;
return res;
}
/* Logical Link Control(LLC) SubNetwork Attachment Point(SNAP) header
* IEEE LLC/SNAP header contains 8 octets
* First 3 octets comprise the LLC portion
* SNAP portion, 5 octets, is divided into two fields:
* Organizationally Unique Identifier(OUI), 3 octets,
* type, defined by that organization, 2 octets.
*/
s32 rtw_put_snap(u8 *data, u16 h_proto)
{
struct ieee80211_snap_hdr *snap;
u8 *oui;
_func_enter_;
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);
_func_exit_;
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;
_func_enter_;
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;
}
_func_exit_;
}
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;
if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG)
{
pxmitpriv->tx_bytes += sz;
#if defined(CONFIG_USB_TX_AGGREGATION) || defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
pmlmepriv->LinkDetectInfo.NumTxOkInPeriod += pxmitframe->agg_num;
#else
pmlmepriv->LinkDetectInfo.NumTxOkInPeriod++;
#endif
psta = pxmitframe->attrib.psta;
if (psta)
{
pstats = &psta->sta_stats;
#if defined(CONFIG_USB_TX_AGGREGATION) || defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
pstats->tx_pkts += pxmitframe->agg_num;
#else
pstats->tx_pkts++;
#endif
pstats->tx_bytes += sz;
}
}
}
struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv)
{
_irqL irqL;
struct xmit_buf *pxmitbuf = NULL;
_list *plist, *phead;
_queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
_func_enter_;
_enter_critical(&pfree_queue->lock, &irqL);
if (_rtw_queue_empty(pfree_queue) == true) {
pxmitbuf = NULL;
} else {
phead = get_list_head(pfree_queue);
plist = get_next(phead);
pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
rtw_list_delete(&(pxmitbuf->list));
}
if (pxmitbuf != NULL)
{
pxmitpriv->free_xmit_extbuf_cnt--;
#ifdef DBG_XMIT_BUF_EXT
DBG_88E("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;
/* pxmitbuf->ext_tag = true; */
#if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
pxmitbuf->len = 0;
pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
#endif
#ifdef CONFIG_PCI_HCI
pxmitbuf->len = 0;
#endif
if (pxmitbuf->sctx) {
DBG_88E("%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);
_func_exit_;
return pxmitbuf;
}
s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
{
_irqL irqL;
_queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
_func_enter_;
if (pxmitbuf==NULL)
{
return _FAIL;
}
_enter_critical(&pfree_queue->lock, &irqL);
rtw_list_delete(&pxmitbuf->list);
rtw_list_insert_tail(&(pxmitbuf->list), get_list_head(pfree_queue));
pxmitpriv->free_xmit_extbuf_cnt++;
#ifdef DBG_XMIT_BUF_EXT
DBG_88E("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);
_func_exit_;
return _SUCCESS;
}
struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv)
{
_irqL irqL;
struct xmit_buf *pxmitbuf = NULL;
_list *plist, *phead;
_queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
_func_enter_;
/* DBG_88E("+rtw_alloc_xmitbuf\n"); */
_enter_critical(&pfree_xmitbuf_queue->lock, &irqL);
if (_rtw_queue_empty(pfree_xmitbuf_queue) == true) {
pxmitbuf = NULL;
} else {
phead = get_list_head(pfree_xmitbuf_queue);
plist = get_next(phead);
pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
rtw_list_delete(&(pxmitbuf->list));
}
if (pxmitbuf != NULL)
{
pxmitpriv->free_xmitbuf_cnt--;
#ifdef DBG_XMIT_BUF
DBG_88E("DBG_XMIT_BUF ALLOC no=%d, free_xmitbuf_cnt=%d\n",pxmitbuf->no, pxmitpriv->free_xmitbuf_cnt);
#endif
/* DBG_88E("alloc, free_xmitbuf_cnt=%d\n", pxmitpriv->free_xmitbuf_cnt); */
pxmitbuf->priv_data = NULL;
/* pxmitbuf->ext_tag = false; */
#if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
pxmitbuf->len = 0;
pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
pxmitbuf->agg_num = 0;
pxmitbuf->pg_num = 0;
#endif
#ifdef CONFIG_PCI_HCI
pxmitbuf->len = 0;
#endif
if (pxmitbuf->sctx) {
DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
}
}
#ifdef DBG_XMIT_BUF
else
{
DBG_88E("DBG_XMIT_BUF rtw_alloc_xmitbuf return NULL\n");
}
#endif
_exit_critical(&pfree_xmitbuf_queue->lock, &irqL);
_func_exit_;
return pxmitbuf;
}
s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
{
_irqL irqL;
_queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
_func_enter_;
/* DBG_88E("+rtw_free_xmitbuf\n"); */
if (pxmitbuf==NULL)
{
return _FAIL;
}
if (pxmitbuf->sctx) {
DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE);
}
if (pxmitbuf->ext_tag)
{
rtw_free_xmitbuf_ext(pxmitpriv, pxmitbuf);
}
else
{
_enter_critical(&pfree_xmitbuf_queue->lock, &irqL);
rtw_list_delete(&pxmitbuf->list);
rtw_list_insert_tail(&(pxmitbuf->list), get_list_head(pfree_xmitbuf_queue));
pxmitpriv->free_xmitbuf_cnt++;
/* DBG_88E("FREE, free_xmitbuf_cnt=%d\n", pxmitpriv->free_xmitbuf_cnt); */
#ifdef DBG_XMIT_BUF
DBG_88E("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);
}
_func_exit_;
return _SUCCESS;
}
/*
Calling context:
1. OS_TXENTRY
2. RXENTRY (rx_thread or RX_ISR/RX_CallBack)
If we turn on USE_RXTHREAD, then, no need for critical section.
Otherwise, we must use _enter/_exit critical to protect free_xmit_queue...
Must be very very cautious...
*/
struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv)/* _queue *pfree_xmit_queue) */
{
/*
Please remember to use all the osdep_service api,
and lock/unlock or _enter/_exit critical to protect
pfree_xmit_queue
*/
_irqL irqL;
struct xmit_frame *pxframe = NULL;
_list *plist, *phead;
_queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
#ifdef PLATFORM_LINUX
_adapter *padapter = pxmitpriv->adapter;
#endif /* PLATFORM_LINUX */
_func_enter_;
_enter_critical_bh(&pfree_xmit_queue->lock, &irqL);
if (_rtw_queue_empty(pfree_xmit_queue) == true) {
RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_alloc_xmitframe:%d\n", pxmitpriv->free_xmitframe_cnt));
pxframe = NULL;
} else {
phead = get_list_head(pfree_xmit_queue);
plist = get_next(phead);
pxframe = LIST_CONTAINOR(plist, struct xmit_frame, list);
rtw_list_delete(&(pxframe->list));
}
if (pxframe != NULL)/* default value setting */
{
pxmitpriv->free_xmitframe_cnt--;
RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt));
pxframe->buf_addr = NULL;
pxframe->pxmitbuf = NULL;
_rtw_memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib));
/* pxframe->attrib.psta = NULL; */
pxframe->frame_tag = DATA_FRAMETAG;
#ifdef CONFIG_USB_HCI
pxframe->pkt = NULL;
pxframe->pkt_offset = 1;/* default use pkt_offset to fill tx desc */
#ifdef CONFIG_USB_TX_AGGREGATION
pxframe->agg_num = 1;
#endif
#endif /* ifdef CONFIG_USB_HCI */
#if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
pxframe->pg_num = 1;
pxframe->agg_num = 1;
#endif
#ifdef CONFIG_XMIT_ACK
pxframe->ack_report = 0;
#endif
}
_exit_critical_bh(&pfree_xmit_queue->lock, &irqL);
_func_exit_;
return pxframe;
}
s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe)
{
_irqL irqL;
_queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
_adapter *padapter = pxmitpriv->adapter;
_pkt *pndis_pkt = NULL;
_func_enter_;
if (pxmitframe == NULL) {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("======rtw_free_xmitframe():pxmitframe==NULL!!!!!!!!!!\n"));
goto exit;
}
_enter_critical_bh(&pfree_xmit_queue->lock, &irqL);
rtw_list_delete(&pxmitframe->list);
if (pxmitframe->pkt){
pndis_pkt = pxmitframe->pkt;
pxmitframe->pkt = NULL;
}
rtw_list_insert_tail(&pxmitframe->list, get_list_head(pfree_xmit_queue));
pxmitpriv->free_xmitframe_cnt++;
RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt));
_exit_critical_bh(&pfree_xmit_queue->lock, &irqL);
if (pndis_pkt)
rtw_os_pkt_complete(padapter, pndis_pkt);
exit:
_func_exit_;
return _SUCCESS;
}
void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, _queue *pframequeue)
{
_irqL irqL;
_list *plist, *phead;
struct xmit_frame *pxmitframe;
_func_enter_;
_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);
_func_exit_;
}
s32 rtw_xmitframe_enqueue(_adapter *padapter, struct xmit_frame *pxmitframe)
{
if (rtw_xmit_classifier(padapter, pxmitframe) == _FAIL)
{
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
("rtw_xmitframe_enqueue: drop xmit pkt for classifier fail\n"));
/* pxmitframe->pkt = NULL; */
return _FAIL;
}
return _SUCCESS;
}
static struct xmit_frame *dequeue_one_xmitframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit, struct tx_servq *ptxservq, _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);
xmitframe_plist = get_next(xmitframe_plist);
/*#ifdef RTK_DMP_PLATFORM
#ifdef CONFIG_USB_TX_AGGREGATION
if ((ptxservq->qcnt>0) && (ptxservq->qcnt<=2))
{
pxmitframe = NULL;
tasklet_schedule(&pxmitpriv->xmit_tasklet);
break;
}
#endif
#endif*/
rtw_list_delete(&pxmitframe->list);
ptxservq->qcnt--;
/* rtw_list_insert_tail(&pxmitframe->list, &phwxmit->pending); */
/* ptxservq->qcnt--; */
break;
pxmitframe = NULL;
}
return pxmitframe;
}
struct xmit_frame* rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit_i, sint entry)
{
_irqL 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];
#ifdef CONFIG_USB_HCI
/* int j, tmp, acirp_cnt[4]; */
#endif
_func_enter_;
inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
if (pregpriv->wifi_spec==1)
{
int j, tmp, acirp_cnt[4];
#if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI)
for (j=0; j<4; j++)
inx[j] = pxmitpriv->wmm_para_seq[j];
#endif
}
_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 */
rtw_list_delete(&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);
_func_exit_;
return pxmitframe;
}
#if 1
struct tx_servq *rtw_get_sta_pending(_adapter *padapter, struct sta_info *psta, sint up, u8 *ac)
{
struct tx_servq *ptxservq;
_func_enter_;
switch (up)
{
case 1:
case 2:
ptxservq = &(psta->sta_xmitpriv.bk_q);
*(ac) = 3;
RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_get_sta_pending : BK\n"));
break;
case 4:
case 5:
ptxservq = &(psta->sta_xmitpriv.vi_q);
*(ac) = 1;
RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_get_sta_pending : VI\n"));
break;
case 6:
case 7:
ptxservq = &(psta->sta_xmitpriv.vo_q);
*(ac) = 0;
RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_get_sta_pending : VO\n"));
break;
case 0:
case 3:
default:
ptxservq = &(psta->sta_xmitpriv.be_q);
*(ac) = 2;
RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_get_sta_pending : BE\n"));
break;
}
_func_exit_;
return ptxservq;
}
#else
__inline static struct tx_servq *rtw_get_sta_pending
(_adapter *padapter, _queue **ppstapending, struct sta_info *psta, sint up)
{
struct tx_servq *ptxservq;
struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
_func_enter_;
#ifdef CONFIG_RTL8711
if (IS_MCAST(psta->hwaddr))
{
ptxservq = &(psta->sta_xmitpriv.be_q); /* we will use be_q to queue bc/mc frames in BCMC_stainfo */
*ppstapending = &padapter->xmitpriv.bm_pending;
}
else
#endif
{
switch (up)
{
case 1:
case 2:
ptxservq = &(psta->sta_xmitpriv.bk_q);
*ppstapending = &padapter->xmitpriv.bk_pending;
(phwxmits+3)->accnt++;
RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_get_sta_pending : BK\n"));
break;
case 4:
case 5:
ptxservq = &(psta->sta_xmitpriv.vi_q);
*ppstapending = &padapter->xmitpriv.vi_pending;
(phwxmits+1)->accnt++;
RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_get_sta_pending : VI\n"));
break;
case 6:
case 7:
ptxservq = &(psta->sta_xmitpriv.vo_q);
*ppstapending = &padapter->xmitpriv.vo_pending;
(phwxmits+0)->accnt++;
RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_get_sta_pending : VO\n"));
break;
case 0:
case 3:
default:
ptxservq = &(psta->sta_xmitpriv.be_q);
*ppstapending = &padapter->xmitpriv.be_pending;
(phwxmits+2)->accnt++;
RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_get_sta_pending : BE\n"));
break;
}
}
_func_exit_;
return ptxservq;
}
#endif
/*
* Will enqueue pxmitframe to the proper queue,
* and indicate it to xx_pending list.....
*/
s32 rtw_xmit_classifier(_adapter *padapter, struct xmit_frame *pxmitframe)
{
/* _irqL 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;
_func_enter_;
if (pattrib->psta) {
psta = pattrib->psta;
} else {
psta = rtw_get_stainfo(pstapriv, pattrib->ra);
}
if (psta == NULL) {
res = _FAIL;
DBG_88E("rtw_xmit_classifier: psta == NULL\n");
RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("rtw_xmit_classifier: psta == NULL\n"));
goto exit;
}
ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
/* _enter_critical(&pstapending->lock, &irqL0); */
if (rtw_is_list_empty(&ptxservq->tx_pending)) {
rtw_list_insert_tail(&ptxservq->tx_pending, get_list_head(phwxmits[ac_index].sta_queue));
}
/* _enter_critical(&ptxservq->sta_pending.lock, &irqL1); */
rtw_list_insert_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:
_func_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 = (struct hw_xmit *)rtw_zmalloc(sizeof (struct hw_xmit) * pxmitpriv->hwxmit_entry);
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;
_func_enter_;
for (i = 0; i < entry; i++, phwxmit++)
{
/* _rtw_spinlock_init(&phwxmit->xmit_lock); */
/* _rtw_init_listhead(&phwxmit->pending); */
/* phwxmit->txcmdcnt = 0; */
phwxmit->accnt = 0;
}
_func_exit_;
}
#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;
_irqL irqL;
/* if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE) == true) */
{
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 (*((__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 (!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)) {
if ((padapter->scdb_entry = (struct nat25_network_db_entry *)scdb_findEntry(padapter,
skb->data+MACADDRLEN, skb->data+WLAN_ETHHDR_LEN+12)) != 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 = skb_copy(skb, GFP_ATOMIC);
if (newskb == NULL) {
/* priv->ext_stats.tx_drops++; */
DEBUG_ERR("TX DROP: skb_copy fail!\n");
/* goto stop_proc; */
return -1;
}
dev_kfree_skb_any(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;
}
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 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;
RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("### do_queue_select priority=%d ,qsel = %d\n",pattrib->priority ,qsel));
pattrib->qsel = qsel;
}
/*
* The main transmit(tx) entry
*
* Return
* 1 enqueue
* 0 success, hardware will handle this xmit frame(packet)
* <0 fail
*/
s32 rtw_xmit(_adapter *padapter, _pkt **ppkt)
{
#ifdef CONFIG_AP_MODE
_irqL 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;
pxmitframe = rtw_alloc_xmitframe(pxmitpriv);
if (pxmitframe == NULL) {
RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: no more pxmitframe\n"));
/* ifdef DBG_TX_DROP_FRAME */
DBG_88E("DBG_TX_DROP_FRAME %s no more pxmitframe\n", __func__);
/* endif */
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) == true)
{
res = rtw_br_client_tx(padapter, ppkt);
if (res == -1)
{
rtw_free_xmitframe(pxmitpriv, pxmitframe);
return -1;
}
}
#endif /* CONFIG_BR_EXT */
res = update_attrib(padapter, *ppkt, &pxmitframe->attrib);
#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) {
RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: update attrib fail\n"));
#ifdef DBG_TX_DROP_FRAME
DBG_88E("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) == true)
{
_exit_critical_bh(&pxmitpriv->lock, &irqL0);
return 1;
}
_exit_critical_bh(&pxmitpriv->lock, &irqL0);
#endif
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;
_irqL 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)
{
rtw_list_delete(&pxmitframe->list);
/* _enter_critical_bh(&psta->sleep_q.lock, &irqL); */
rtw_list_insert_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 = ptdls_sta->uapsd_bk | BIT(1);
break;
case 4:
case 5:
ptdls_sta->uapsd_vi = ptdls_sta->uapsd_vi | BIT(1);
break;
case 6:
case 7:
ptdls_sta->uapsd_vo = ptdls_sta->uapsd_vo | BIT(1);
break;
case 0:
case 3:
default:
ptdls_sta->uapsd_be = ptdls_sta->uapsd_be | BIT(1);
break;
}
if (ptdls_sta->sleepq_len==1)
{
/* transmit TDLS PTI via AP */
rtw_tdls_cmd(padapter, ptdls_sta->hwaddr, TDLS_SD_PTI);
}
ret = true;
}
_exit_critical_bh(&ptdls_sta->sleep_q.lock, &irqL);
}
return ret;
}
#endif /* CONFIG_TDLS */
#if defined(CONFIG_AP_MODE) || defined(CONFIG_TDLS)
sint xmitframe_enqueue_for_sleeping_sta(_adapter *padapter, struct xmit_frame *pxmitframe)
{
_irqL 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);
#ifdef CONFIG_TDLS
struct tdls_info *ptdlsinfo = &padapter->tdlsinfo;
if ( ptdlsinfo->setup_state == TDLS_LINKED_STATE )
{
ret = xmitframe_enqueue_for_tdls_sleeping_sta(padapter, pxmitframe);
return ret;
}
#endif /* CONFIG_TDLS */
if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == false)
return ret;
if (pattrib->psta)
{
psta = pattrib->psta;
}
else
{
psta=rtw_get_stainfo(pstapriv, pattrib->ra);
}
if (psta==NULL)
return ret;
if (pattrib->triggered==1)
{
/* DBG_88E("directly xmit pspoll_triggered packet\n"); */
/* pattrib->triggered=0; */
if (bmcst)
pattrib->qsel = 0x11;/* 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 */
{
rtw_list_delete(&pxmitframe->list);
rtw_list_insert_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
psta->sleepq_len++;
pstapriv->tim_bitmap |= BIT(0);/* */
pstapriv->sta_dz_bitmap |= BIT(0);
update_beacon(padapter, _TIM_IE_, NULL, false);/* tx bc/mc packets after upate bcn */
ret = true;
}
_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))
{
rtw_list_delete(&pxmitframe->list);
/* _enter_critical_bh(&psta->sleep_q.lock, &irqL); */
rtw_list_insert_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
psta->sleepq_len++;
switch (pattrib->priority)
{
case 1:
case 2:
wmmps_ac = psta->uapsd_bk&BIT(0);
break;
case 4:
case 5:
wmmps_ac = psta->uapsd_vi&BIT(0);
break;
case 6:
case 7:
wmmps_ac = psta->uapsd_vo&BIT(0);
break;
case 0:
case 3:
default:
wmmps_ac = psta->uapsd_be&BIT(0);
break;
}
if (wmmps_ac)
psta->sleepq_ac_len++;
if (((psta->has_legacy_ac) && (!wmmps_ac)) ||((!psta->has_legacy_ac)&&(wmmps_ac)))
{
pstapriv->tim_bitmap |= BIT(psta->aid);
/* DBG_88E("enqueue, sq_len=%d, tim=%x\n", psta->sleepq_len, pstapriv->tim_bitmap); */
if (psta->sleepq_len==1)
{
/* DBG_88E("sleepq_len==1, update BCNTIM\n"); */
/* upate BCN for TIM IE */
update_beacon(padapter, _TIM_IE_, NULL, false);
}
}
/* _exit_critical_bh(&psta->sleep_q.lock, &irqL); */
/* if (psta->sleepq_len > (NR_XMITFRAME>>3)) */
/* */
/* wakeup_sta_to_xmit(padapter, psta); */
/* */
ret = true;
}
}
_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)
{
_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);
xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe);
pattrib = &pxmitframe->attrib;
ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
ptxservq->qcnt--;
phwxmits[ac_index].accnt--;
}
}
void stop_sta_xmit(_adapter *padapter, struct sta_info *psta)
{
_irqL 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);
rtw_list_delete(&(pstaxmitpriv->vo_q.tx_pending));
dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->vi_q.tx_pending));
dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->be_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending));
dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->bk_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->bk_q.tx_pending));
#ifdef CONFIG_TDLS
if ( !(psta->tdls_sta_state & TDLS_LINKED_STATE) )
{
if ( 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);
rtw_list_delete(&(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)
{
_irqL 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;
_enter_critical_bh(&psta->sleep_q.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);
rtw_list_delete(&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) == true)
{
rtw_os_xmit_complete(padapter, pxmitframe);
}
_enter_critical_bh(&psta->sleep_q.lock, &irqL);
}
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(&psta->sleep_q.lock, &irqL);
return;
}
#endif /* CONFIG_TDLS */
pstapriv->tim_bitmap &= ~BIT(psta->aid);
/* DBG_88E("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);
if (psta->state&WIFI_SLEEP_STATE)
psta->state ^= WIFI_SLEEP_STATE;
if (psta->state & WIFI_STA_ALIVE_CHK_STATE)
{
psta->expire_to = pstapriv->expire_to;
psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
}
pstapriv->sta_dz_bitmap &= ~BIT(psta->aid);
}
_exit_critical_bh(&psta->sleep_q.lock, &irqL);
/* for BC/MC Frames */
psta_bmc = rtw_get_bcmc_stainfo(padapter);
if (!psta_bmc)
return;
if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0)/* no any sta in ps mode */
{
_enter_critical_bh(&psta_bmc->sleep_q.lock, &irqL);
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);
rtw_list_delete(&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) == true)
{
rtw_os_xmit_complete(padapter, pxmitframe);
}
_enter_critical_bh(&psta_bmc->sleep_q.lock, &irqL);
}
if (psta_bmc->sleepq_len==0)
{
pstapriv->tim_bitmap &= ~BIT(0);
pstapriv->sta_dz_bitmap &= ~BIT(0);
/* DBG_88E("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);
}
_exit_critical_bh(&psta_bmc->sleep_q.lock, &irqL);
}
if (update_mask)
{
/* update_BCNTIM(padapter); */
update_beacon(padapter, _TIM_IE_, NULL, false);
}
}
void xmit_delivery_enabled_frames(_adapter *padapter, struct sta_info *psta)
{
_irqL irqL;
u8 wmmps_ac=0;
_list *xmitframe_plist, *xmitframe_phead;
struct xmit_frame *pxmitframe=NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
_enter_critical_bh(&psta->sleep_q.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;
rtw_list_delete(&pxmitframe->list);
psta->sleepq_len--;
psta->sleepq_ac_len--;
if (psta->sleepq_ac_len>0)
{
pxmitframe->attrib.mdata = 1;
pxmitframe->attrib.eosp = 0;
}
else
{
pxmitframe->attrib.mdata = 0;
pxmitframe->attrib.eosp = 1;
}
pxmitframe->attrib.triggered = 1;
if (rtw_hal_xmit(padapter, pxmitframe) == true)
{
rtw_os_xmit_complete(padapter, pxmitframe);
}
if ((psta->sleepq_ac_len==0) && (!psta->has_legacy_ac) && (wmmps_ac))
{
#ifdef CONFIG_TDLS
if (psta->tdls_sta_state & TDLS_LINKED_STATE )
{
_exit_critical_bh(&psta->sleep_q.lock, &irqL);
return;
}
#endif /* CONFIG_TDLS */
pstapriv->tim_bitmap &= ~BIT(psta->aid);
/* DBG_88E("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, false);
/* update_mask = BIT(0); */
}
}
_exit_critical_bh(&psta->sleep_q.lock, &irqL);
}
#endif
#ifdef CONFIG_XMIT_THREAD_MODE
void enqueue_pending_xmitbuf(
struct xmit_priv *pxmitpriv,
struct xmit_buf *pxmitbuf)
{
_irqL irql;
_queue *pqueue;
_adapter *pri_adapter = pxmitpriv->adapter;
pqueue = &pxmitpriv->pending_xmitbuf_queue;
_enter_critical_bh(&pqueue->lock, &irql);
rtw_list_delete(&pxmitbuf->list);
rtw_list_insert_tail(&pxmitbuf->list, get_list_head(pqueue));
_exit_critical_bh(&pqueue->lock, &irql);
#if defined(CONFIG_SDIO_HCI) && defined(CONFIG_CONCURRENT_MODE)
if (pri_adapter->adapter_type > PRIMARY_ADAPTER)
pri_adapter = pri_adapter->pbuddy_adapter;
#endif /* SDIO_HCI + CONCURRENT */
_rtw_up_sema(&(pri_adapter->xmitpriv.xmit_sema));
}
struct xmit_buf* dequeue_pending_xmitbuf(
struct xmit_priv *pxmitpriv)
{
_irqL 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);
rtw_list_delete(&pxmitbuf->list);
}
_exit_critical_bh(&pqueue->lock, &irql);
return pxmitbuf;
}
struct xmit_buf* dequeue_pending_xmitbuf_under_survey(
struct xmit_priv *pxmitpriv)
{
_irqL irql;
struct xmit_buf *pxmitbuf;
#ifdef CONFIG_USB_HCI
struct xmit_frame *pxmitframe;
#endif
_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;
phead = get_list_head(pqueue);
plist = phead;
do {
plist = get_next(plist);
if (plist == phead) break;
pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
#ifdef CONFIG_USB_HCI
pxmitframe = (struct xmit_frame*)pxmitbuf->priv_data;
if (pxmitframe)
{
type = GetFrameSubType(pxmitbuf->pbuf + TXDESC_SIZE + pxmitframe->pkt_offset * PACKET_OFFSET_SZ);
}
else
{
DBG_88E("%s, !!!ERROR!!! For USB, TODO ITEM\n", __func__);
}
#else
type = GetFrameSubType(pxmitbuf->pbuf + TXDESC_OFFSET);
#endif
if ((type == WIFI_PROBEREQ) ||
(type == WIFI_DATA_NULL) ||
(type == WIFI_QOS_DATA_NULL))
{
rtw_list_delete(&pxmitbuf->list);
break;
}
pxmitbuf = NULL;
} while (1);
}
_exit_critical_bh(&pqueue->lock, &irql);
return pxmitbuf;
}
sint check_pending_xmitbuf(
struct xmit_priv *pxmitpriv)
{
_queue *pqueue;
pqueue = &pxmitpriv->pending_xmitbuf_queue;
if (_rtw_queue_empty(pqueue) == false)
return true;
else
return false;
}
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);
_rtw_up_sema(&padapter->xmitpriv.terminate_xmitthread_sema);
thread_exit();
}
#endif
void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms)
{
sctx->timeout_ms = timeout_ms;
sctx->submit_time= rtw_get_current_time();
#ifdef PLATFORM_LINUX /* TODO: add condition wating interface for other os */
init_completion(&sctx->done);
#endif
sctx->status = RTW_SCTX_SUBMITTED;
}
int rtw_sctx_wait(struct submit_ctx *sctx)
{
int ret = _FAIL;
unsigned long expire;
int status = 0;
#ifdef PLATFORM_LINUX
expire= sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) : MAX_SCHEDULE_TIMEOUT;
if (!wait_for_completion_timeout(&sctx->done, expire)) {
/* timeout, do something?? */
status = RTW_SCTX_DONE_TIMEOUT;
DBG_88E("%s timeout\n", __func__);
} else {
status = sctx->status;
}
#endif
if (status == RTW_SCTX_DONE_SUCCESS) {
ret = _SUCCESS;
}
return ret;
}
static bool rtw_sctx_chk_waring_status(int status)
{
switch (status) {
case RTW_SCTX_DONE_UNKNOWN:
case RTW_SCTX_DONE_BUF_ALLOC:
case RTW_SCTX_DONE_BUF_FREE:
case RTW_SCTX_DONE_DRV_STOP:
case RTW_SCTX_DONE_DEV_REMOVE:
return true;
default:
return false;
}
}
void rtw_sctx_done_err(struct submit_ctx **sctx, int status)
{
if (*sctx) {
if (rtw_sctx_chk_waring_status(status))
DBG_88E("%s status:%d\n", __func__, status);
(*sctx)->status = status;
#ifdef PLATFORM_LINUX
complete(&((*sctx)->done));
#endif
*sctx = NULL;
}
}
void rtw_sctx_done(struct submit_ctx **sctx)
{
rtw_sctx_done_err(sctx, RTW_SCTX_DONE_SUCCESS);
}
#ifdef CONFIG_XMIT_ACK
#ifdef CONFIG_XMIT_ACK_POLLING
s32 c2h_evt_hdl(_adapter *adapter, struct c2h_evt_hdr *c2h_evt, c2h_id_filter filter);
/**
* rtw_ack_tx_polling -
* @pxmitpriv: xmit_priv to address ack_tx_ops
* @timeout_ms: timeout msec
*
* Init ack_tx_ops and then do c2h_evt_hdl() and polling ack_tx_ops repeatedly
* till tx report or timeout
* Returns: _SUCCESS if TX report ok, _FAIL for others
*/
int rtw_ack_tx_polling(struct xmit_priv *pxmitpriv, u32 timeout_ms)
{
int ret = _FAIL;
struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
_adapter *adapter = container_of(pxmitpriv, _adapter, xmitpriv);
pack_tx_ops->submit_time = rtw_get_current_time();
pack_tx_ops->timeout_ms = timeout_ms;
pack_tx_ops->status = RTW_SCTX_SUBMITTED;
do {
c2h_evt_hdl(adapter, NULL, rtw_hal_c2h_id_filter_ccx(adapter));
if (pack_tx_ops->status != RTW_SCTX_SUBMITTED)
break;
if (adapter->bDriverStopped) {
pack_tx_ops->status = RTW_SCTX_DONE_DRV_STOP;
break;
}
if (adapter->bSurpriseRemoved) {
pack_tx_ops->status = RTW_SCTX_DONE_DEV_REMOVE;
break;
}
rtw_msleep_os(10);
} while (rtw_get_passing_time_ms(pack_tx_ops->submit_time) < timeout_ms);
if (pack_tx_ops->status == RTW_SCTX_SUBMITTED) {
pack_tx_ops->status = RTW_SCTX_DONE_TIMEOUT;
DBG_88E("%s timeout\n", __func__);
}
if (pack_tx_ops->status == RTW_SCTX_DONE_SUCCESS)
ret = _SUCCESS;
return ret;
}
#endif
int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms)
{
#ifdef CONFIG_XMIT_ACK_POLLING
return rtw_ack_tx_polling(pxmitpriv, timeout_ms);
#else
struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
pack_tx_ops->submit_time = rtw_get_current_time();
pack_tx_ops->timeout_ms = timeout_ms;
pack_tx_ops->status = RTW_SCTX_SUBMITTED;
return rtw_sctx_wait(pack_tx_ops);
#endif
}
void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status)
{
struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
if (pxmitpriv->ack_tx) {
rtw_sctx_done_err(&pack_tx_ops, status);
} else {
DBG_88E("%s ack_tx not set\n", __func__);
}
}
#endif /* CONFIG_XMIT_ACK */
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