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realtek-rtl8188eus-dkms/core/rtw_recv.c

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/******************************************************************************
*
* Copyright(c) 2007 - 2017 Realtek Corporation.
*
* 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.
*
*****************************************************************************/
#define _RTW_RECV_C_
#include <drv_types.h>
#include <hal_data.h>
#if defined(PLATFORM_LINUX) && defined (PLATFORM_WINDOWS)
#error "Shall be Linux or Windows, but not both!\n"
#endif
#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
static void rtw_signal_stat_timer_hdl(void *ctx);
enum {
SIGNAL_STAT_CALC_PROFILE_0 = 0,
SIGNAL_STAT_CALC_PROFILE_1,
SIGNAL_STAT_CALC_PROFILE_MAX
};
u8 signal_stat_calc_profile[SIGNAL_STAT_CALC_PROFILE_MAX][2] = {
{4, 1}, /* Profile 0 => pre_stat : curr_stat = 4 : 1 */
{3, 7} /* Profile 1 => pre_stat : curr_stat = 3 : 7 */
};
#ifndef RTW_SIGNAL_STATE_CALC_PROFILE
#define RTW_SIGNAL_STATE_CALC_PROFILE SIGNAL_STAT_CALC_PROFILE_1
#endif
#endif /* CONFIG_NEW_SIGNAL_STAT_PROCESS */
void _rtw_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv)
{
_rtw_memset((u8 *)psta_recvpriv, 0, sizeof(struct sta_recv_priv));
_rtw_spinlock_init(&psta_recvpriv->lock);
/* for(i=0; i<MAX_RX_NUMBLKS; i++) */
/* _rtw_init_queue(&psta_recvpriv->blk_strms[i]); */
_rtw_init_queue(&psta_recvpriv->defrag_q);
}
sint _rtw_init_recv_priv(struct recv_priv *precvpriv, _adapter *padapter)
{
sint i;
union recv_frame *precvframe;
sint res = _SUCCESS;
/* We don't need to memset padapter->XXX to zero, because adapter is allocated by rtw_zvmalloc(). */
/* _rtw_memset((unsigned char *)precvpriv, 0, sizeof (struct recv_priv)); */
_rtw_spinlock_init(&precvpriv->lock);
#ifdef CONFIG_RECV_THREAD_MODE
_rtw_init_sema(&precvpriv->recv_sema, 0);
#endif
_rtw_init_queue(&precvpriv->free_recv_queue);
_rtw_init_queue(&precvpriv->recv_pending_queue);
_rtw_init_queue(&precvpriv->uc_swdec_pending_queue);
precvpriv->adapter = padapter;
precvpriv->free_recvframe_cnt = NR_RECVFRAME;
precvpriv->sink_udpport = 0;
precvpriv->pre_rtp_rxseq = 0;
precvpriv->cur_rtp_rxseq = 0;
#ifdef DBG_RX_SIGNAL_DISPLAY_RAW_DATA
precvpriv->store_law_data_flag = 1;
#else
precvpriv->store_law_data_flag = 0;
#endif
rtw_os_recv_resource_init(precvpriv, padapter);
precvpriv->pallocated_frame_buf = rtw_zvmalloc(NR_RECVFRAME * sizeof(union recv_frame) + RXFRAME_ALIGN_SZ);
if (precvpriv->pallocated_frame_buf == NULL) {
res = _FAIL;
goto exit;
}
/* _rtw_memset(precvpriv->pallocated_frame_buf, 0, NR_RECVFRAME * sizeof(union recv_frame) + RXFRAME_ALIGN_SZ); */
precvpriv->precv_frame_buf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(precvpriv->pallocated_frame_buf), RXFRAME_ALIGN_SZ);
/* precvpriv->precv_frame_buf = precvpriv->pallocated_frame_buf + RXFRAME_ALIGN_SZ - */
/* ((SIZE_PTR) (precvpriv->pallocated_frame_buf) &(RXFRAME_ALIGN_SZ-1)); */
precvframe = (union recv_frame *) precvpriv->precv_frame_buf;
for (i = 0; i < NR_RECVFRAME ; i++) {
_rtw_init_listhead(&(precvframe->u.list));
rtw_list_insert_tail(&(precvframe->u.list), &(precvpriv->free_recv_queue.queue));
res = rtw_os_recv_resource_alloc(padapter, precvframe);
precvframe->u.hdr.len = 0;
precvframe->u.hdr.adapter = padapter;
precvframe++;
}
#ifdef CONFIG_USB_HCI
ATOMIC_SET(&(precvpriv->rx_pending_cnt), 1);
_rtw_init_sema(&precvpriv->allrxreturnevt, 0);
#endif
res = rtw_hal_init_recv_priv(padapter);
#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
rtw_init_timer(&precvpriv->signal_stat_timer, padapter, rtw_signal_stat_timer_hdl, padapter);
precvpriv->signal_stat_sampling_interval = 2000; /* ms */
/* precvpriv->signal_stat_converging_constant = 5000; */ /* ms */
rtw_set_signal_stat_timer(precvpriv);
#endif /* CONFIG_NEW_SIGNAL_STAT_PROCESS */
exit:
return res;
}
void rtw_mfree_recv_priv_lock(struct recv_priv *precvpriv);
void rtw_mfree_recv_priv_lock(struct recv_priv *precvpriv)
{
#ifdef CONFIG_RECV_THREAD_MODE
_rtw_free_sema(&precvpriv->recv_sema);
#endif
}
void _rtw_free_recv_priv(struct recv_priv *precvpriv)
{
_adapter *padapter = precvpriv->adapter;
rtw_free_uc_swdec_pending_queue(padapter);
rtw_mfree_recv_priv_lock(precvpriv);
rtw_os_recv_resource_free(precvpriv);
if (precvpriv->pallocated_frame_buf)
rtw_vmfree(precvpriv->pallocated_frame_buf, NR_RECVFRAME * sizeof(union recv_frame) + RXFRAME_ALIGN_SZ);
rtw_hal_free_recv_priv(padapter);
}
bool rtw_rframe_del_wfd_ie(union recv_frame *rframe, u8 ies_offset)
{
#define DBG_RFRAME_DEL_WFD_IE 0
u8 *ies = rframe->u.hdr.rx_data + sizeof(struct rtw_ieee80211_hdr_3addr) + ies_offset;
uint ies_len_ori = rframe->u.hdr.len - (ies - rframe->u.hdr.rx_data);
uint ies_len;
ies_len = rtw_del_wfd_ie(ies, ies_len_ori, DBG_RFRAME_DEL_WFD_IE ? __func__ : NULL);
rframe->u.hdr.len -= ies_len_ori - ies_len;
return ies_len_ori != ies_len;
}
union recv_frame *_rtw_alloc_recvframe(_queue *pfree_recv_queue)
{
union recv_frame *precvframe;
_list *plist, *phead;
_adapter *padapter;
struct recv_priv *precvpriv;
if (_rtw_queue_empty(pfree_recv_queue) == _TRUE)
precvframe = NULL;
else {
phead = get_list_head(pfree_recv_queue);
plist = get_next(phead);
precvframe = LIST_CONTAINOR(plist, union recv_frame, u);
rtw_list_delete(&precvframe->u.hdr.list);
padapter = precvframe->u.hdr.adapter;
if (padapter != NULL) {
precvpriv = &padapter->recvpriv;
if (pfree_recv_queue == &precvpriv->free_recv_queue)
precvpriv->free_recvframe_cnt--;
}
}
return precvframe;
}
union recv_frame *rtw_alloc_recvframe(_queue *pfree_recv_queue)
{
_irqL irqL;
union recv_frame *precvframe;
_enter_critical_bh(&pfree_recv_queue->lock, &irqL);
precvframe = _rtw_alloc_recvframe(pfree_recv_queue);
_exit_critical_bh(&pfree_recv_queue->lock, &irqL);
return precvframe;
}
void rtw_init_recvframe(union recv_frame *precvframe, struct recv_priv *precvpriv)
{
/* Perry: This can be removed */
_rtw_init_listhead(&precvframe->u.hdr.list);
precvframe->u.hdr.len = 0;
}
int rtw_free_recvframe(union recv_frame *precvframe, _queue *pfree_recv_queue)
{
_irqL irqL;
_adapter *padapter = precvframe->u.hdr.adapter;
struct recv_priv *precvpriv = &padapter->recvpriv;
#ifdef CONFIG_CONCURRENT_MODE
padapter = GET_PRIMARY_ADAPTER(padapter);
precvpriv = &padapter->recvpriv;
pfree_recv_queue = &precvpriv->free_recv_queue;
precvframe->u.hdr.adapter = padapter;
#endif
rtw_os_free_recvframe(precvframe);
_enter_critical_bh(&pfree_recv_queue->lock, &irqL);
rtw_list_delete(&(precvframe->u.hdr.list));
precvframe->u.hdr.len = 0;
rtw_list_insert_tail(&(precvframe->u.hdr.list), get_list_head(pfree_recv_queue));
if (padapter != NULL) {
if (pfree_recv_queue == &precvpriv->free_recv_queue)
precvpriv->free_recvframe_cnt++;
}
_exit_critical_bh(&pfree_recv_queue->lock, &irqL);
return _SUCCESS;
}
sint _rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue)
{
_adapter *padapter = precvframe->u.hdr.adapter;
struct recv_priv *precvpriv = &padapter->recvpriv;
/* _rtw_init_listhead(&(precvframe->u.hdr.list)); */
rtw_list_delete(&(precvframe->u.hdr.list));
rtw_list_insert_tail(&(precvframe->u.hdr.list), get_list_head(queue));
if (padapter != NULL) {
if (queue == &precvpriv->free_recv_queue)
precvpriv->free_recvframe_cnt++;
}
return _SUCCESS;
}
sint rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue)
{
sint ret;
_irqL irqL;
/* _spinlock(&pfree_recv_queue->lock); */
_enter_critical_bh(&queue->lock, &irqL);
ret = _rtw_enqueue_recvframe(precvframe, queue);
/* _rtw_spinunlock(&pfree_recv_queue->lock); */
_exit_critical_bh(&queue->lock, &irqL);
return ret;
}
/*
sint rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue)
{
return rtw_free_recvframe(precvframe, queue);
}
*/
/*
caller : defrag ; recvframe_chk_defrag in recv_thread (passive)
pframequeue: defrag_queue : will be accessed in recv_thread (passive)
using spinlock to protect
*/
void rtw_free_recvframe_queue(_queue *pframequeue, _queue *pfree_recv_queue)
{
union recv_frame *precvframe;
_list *plist, *phead;
_rtw_spinlock(&pframequeue->lock);
phead = get_list_head(pframequeue);
plist = get_next(phead);
while (rtw_end_of_queue_search(phead, plist) == _FALSE) {
precvframe = LIST_CONTAINOR(plist, union recv_frame, u);
plist = get_next(plist);
/* rtw_list_delete(&precvframe->u.hdr.list); */ /* will do this in rtw_free_recvframe() */
rtw_free_recvframe(precvframe, pfree_recv_queue);
}
_rtw_spinunlock(&pframequeue->lock);
}
u32 rtw_free_uc_swdec_pending_queue(_adapter *adapter)
{
u32 cnt = 0;
union recv_frame *pending_frame;
while ((pending_frame = rtw_alloc_recvframe(&adapter->recvpriv.uc_swdec_pending_queue))) {
rtw_free_recvframe(pending_frame, &adapter->recvpriv.free_recv_queue);
cnt++;
}
if (cnt)
RTW_INFO(FUNC_ADPT_FMT" dequeue %d\n", FUNC_ADPT_ARG(adapter), cnt);
return cnt;
}
sint rtw_enqueue_recvbuf_to_head(struct recv_buf *precvbuf, _queue *queue)
{
_irqL irqL;
_enter_critical_bh(&queue->lock, &irqL);
rtw_list_delete(&precvbuf->list);
rtw_list_insert_head(&precvbuf->list, get_list_head(queue));
_exit_critical_bh(&queue->lock, &irqL);
return _SUCCESS;
}
sint rtw_enqueue_recvbuf(struct recv_buf *precvbuf, _queue *queue)
{
_irqL irqL;
#ifdef CONFIG_SDIO_HCI
_enter_critical_bh(&queue->lock, &irqL);
#else
_enter_critical_ex(&queue->lock, &irqL);
#endif/*#ifdef CONFIG_SDIO_HCI*/
rtw_list_delete(&precvbuf->list);
rtw_list_insert_tail(&precvbuf->list, get_list_head(queue));
#ifdef CONFIG_SDIO_HCI
_exit_critical_bh(&queue->lock, &irqL);
#else
_exit_critical_ex(&queue->lock, &irqL);
#endif/*#ifdef CONFIG_SDIO_HCI*/
return _SUCCESS;
}
struct recv_buf *rtw_dequeue_recvbuf(_queue *queue)
{
_irqL irqL;
struct recv_buf *precvbuf;
_list *plist, *phead;
#ifdef CONFIG_SDIO_HCI
_enter_critical_bh(&queue->lock, &irqL);
#else
_enter_critical_ex(&queue->lock, &irqL);
#endif/*#ifdef CONFIG_SDIO_HCI*/
if (_rtw_queue_empty(queue) == _TRUE)
precvbuf = NULL;
else {
phead = get_list_head(queue);
plist = get_next(phead);
precvbuf = LIST_CONTAINOR(plist, struct recv_buf, list);
rtw_list_delete(&precvbuf->list);
}
#ifdef CONFIG_SDIO_HCI
_exit_critical_bh(&queue->lock, &irqL);
#else
_exit_critical_ex(&queue->lock, &irqL);
#endif/*#ifdef CONFIG_SDIO_HCI*/
return precvbuf;
}
sint recvframe_chkmic(_adapter *adapter, union recv_frame *precvframe);
sint recvframe_chkmic(_adapter *adapter, union recv_frame *precvframe)
{
sint i, res = _SUCCESS;
u32 datalen;
u8 miccode[8];
u8 bmic_err = _FALSE, brpt_micerror = _TRUE;
u8 *pframe, *payload, *pframemic;
u8 *mickey;
/* u8 *iv,rxdata_key_idx=0; */
struct sta_info *stainfo;
struct rx_pkt_attrib *prxattrib = &precvframe->u.hdr.attrib;
struct security_priv *psecuritypriv = &adapter->securitypriv;
struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
stainfo = rtw_get_stainfo(&adapter->stapriv , &prxattrib->ta[0]);
if (prxattrib->encrypt == _TKIP_) {
/* calculate mic code */
if (stainfo != NULL) {
if (IS_MCAST(prxattrib->ra)) {
/* mickey=&psecuritypriv->dot118021XGrprxmickey.skey[0]; */
/* iv = precvframe->u.hdr.rx_data+prxattrib->hdrlen; */
/* rxdata_key_idx =( ((iv[3])>>6)&0x3) ; */
mickey = &psecuritypriv->dot118021XGrprxmickey[prxattrib->key_index].skey[0];
/* RTW_INFO("\n recvframe_chkmic: bcmc key psecuritypriv->dot118021XGrpKeyid(%d),pmlmeinfo->key_index(%d) ,recv key_id(%d)\n", */
/* psecuritypriv->dot118021XGrpKeyid,pmlmeinfo->key_index,rxdata_key_idx); */
if (psecuritypriv->binstallGrpkey == _FALSE) {
res = _FAIL;
RTW_INFO("\n recvframe_chkmic:didn't install group key!!!!!!!!!!\n");
goto exit;
}
} else {
mickey = &stainfo->dot11tkiprxmickey.skey[0];
}
datalen = precvframe->u.hdr.len - prxattrib->hdrlen - prxattrib->iv_len - prxattrib->icv_len - 8; /* icv_len included the mic code */
pframe = precvframe->u.hdr.rx_data;
payload = pframe + prxattrib->hdrlen + prxattrib->iv_len;
/* rtw_seccalctkipmic(&stainfo->dot11tkiprxmickey.skey[0],pframe,payload, datalen ,&miccode[0],(unsigned char)prxattrib->priority); */ /* care the length of the data */
rtw_seccalctkipmic(mickey, pframe, payload, datalen , &miccode[0], (unsigned char)prxattrib->priority); /* care the length of the data */
pframemic = payload + datalen;
bmic_err = _FALSE;
for (i = 0; i < 8; i++) {
if (miccode[i] != *(pframemic + i)) {
bmic_err = _TRUE;
}
}
if (bmic_err == _TRUE) {
/* double check key_index for some timing issue , */
/* cannot compare with psecuritypriv->dot118021XGrpKeyid also cause timing issue */
if ((IS_MCAST(prxattrib->ra) == _TRUE) && (prxattrib->key_index != pmlmeinfo->key_index))
brpt_micerror = _FALSE;
if ((prxattrib->bdecrypted == _TRUE) && (brpt_micerror == _TRUE)) {
rtw_handle_tkip_mic_err(adapter, stainfo, (u8)IS_MCAST(prxattrib->ra));
RTW_INFO(" mic error :prxattrib->bdecrypted=%d\n", prxattrib->bdecrypted);
} else {
RTW_INFO(" mic error :prxattrib->bdecrypted=%d\n", prxattrib->bdecrypted);
}
res = _FAIL;
} else {
/* mic checked ok */
if ((psecuritypriv->bcheck_grpkey == _FALSE) && (IS_MCAST(prxattrib->ra) == _TRUE)) {
psecuritypriv->bcheck_grpkey = _TRUE;
}
}
}
recvframe_pull_tail(precvframe, 8);
}
exit:
return res;
}
/*#define DBG_RX_SW_DECRYPTOR*/
/* decrypt and set the ivlen,icvlen of the recv_frame */
union recv_frame *decryptor(_adapter *padapter, union recv_frame *precv_frame);
union recv_frame *decryptor(_adapter *padapter, union recv_frame *precv_frame)
{
struct rx_pkt_attrib *prxattrib = &precv_frame->u.hdr.attrib;
struct security_priv *psecuritypriv = &padapter->securitypriv;
union recv_frame *return_packet = precv_frame;
u32 res = _SUCCESS;
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt);
if (prxattrib->encrypt > 0) {
u8 *iv = precv_frame->u.hdr.rx_data + prxattrib->hdrlen;
prxattrib->key_index = (((iv[3]) >> 6) & 0x3) ;
if (prxattrib->key_index > WEP_KEYS) {
RTW_INFO("prxattrib->key_index(%d) > WEP_KEYS\n", prxattrib->key_index);
switch (prxattrib->encrypt) {
case _WEP40_:
case _WEP104_:
prxattrib->key_index = psecuritypriv->dot11PrivacyKeyIndex;
break;
case _TKIP_:
case _AES_:
default:
prxattrib->key_index = psecuritypriv->dot118021XGrpKeyid;
break;
}
}
}
if (prxattrib->encrypt && !prxattrib->bdecrypted) {
if (GetFrameType(get_recvframe_data(precv_frame)) == WIFI_DATA
#ifdef CONFIG_CONCURRENT_MODE
&& !IS_MCAST(prxattrib->ra) /* bc/mc packets may use sw decryption for concurrent mode */
#endif
)
psecuritypriv->hw_decrypted = _FALSE;
#ifdef DBG_RX_SW_DECRYPTOR
RTW_INFO(ADPT_FMT" - sec_type:%s DO SW decryption\n",
ADPT_ARG(padapter), security_type_str(prxattrib->encrypt));
#endif
#ifdef DBG_RX_DECRYPTOR
RTW_INFO("[%s] %d:prxstat->bdecrypted:%d, prxattrib->encrypt:%d, Setting psecuritypriv->hw_decrypted = %d\n",
__FUNCTION__,
__LINE__,
prxattrib->bdecrypted,
prxattrib->encrypt,
psecuritypriv->hw_decrypted);
#endif
switch (prxattrib->encrypt) {
case _WEP40_:
case _WEP104_:
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_wep);
rtw_wep_decrypt(padapter, (u8 *)precv_frame);
break;
case _TKIP_:
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_tkip);
res = rtw_tkip_decrypt(padapter, (u8 *)precv_frame);
break;
case _AES_:
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_aes);
res = rtw_aes_decrypt(padapter, (u8 *)precv_frame);
break;
#ifdef CONFIG_WAPI_SUPPORT
case _SMS4_:
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_wapi);
rtw_sms4_decrypt(padapter, (u8 *)precv_frame);
break;
#endif
default:
break;
}
} else if (prxattrib->bdecrypted == 1
&& prxattrib->encrypt > 0
&& (psecuritypriv->busetkipkey == 1 || prxattrib->encrypt != _TKIP_)
) {
#if 0
if ((prxstat->icv == 1) && (prxattrib->encrypt != _AES_)) {
psecuritypriv->hw_decrypted = _FALSE;
rtw_free_recvframe(precv_frame, &padapter->recvpriv.free_recv_queue);
return_packet = NULL;
} else
#endif
{
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_hw);
psecuritypriv->hw_decrypted = _TRUE;
#ifdef DBG_RX_DECRYPTOR
RTW_INFO("[%s] %d:prxstat->bdecrypted:%d, prxattrib->encrypt:%d, Setting psecuritypriv->hw_decrypted = %d\n",
__FUNCTION__,
__LINE__,
prxattrib->bdecrypted,
prxattrib->encrypt,
psecuritypriv->hw_decrypted);
#endif
}
} else {
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_unknown);
#ifdef DBG_RX_DECRYPTOR
RTW_INFO("[%s] %d:prxstat->bdecrypted:%d, prxattrib->encrypt:%d, Setting psecuritypriv->hw_decrypted = %d\n",
__FUNCTION__,
__LINE__,
prxattrib->bdecrypted,
prxattrib->encrypt,
psecuritypriv->hw_decrypted);
#endif
}
#ifdef CONFIG_RTW_MESH
if (res != _FAIL
&& !prxattrib->amsdu
&& prxattrib->mesh_ctrl_present)
res = rtw_mesh_rx_validate_mctrl_non_amsdu(padapter, precv_frame);
#endif
if (res == _FAIL) {
rtw_free_recvframe(return_packet, &padapter->recvpriv.free_recv_queue);
return_packet = NULL;
} else
prxattrib->bdecrypted = _TRUE;
/* recvframe_chkmic(adapter, precv_frame); */ /* move to recvframme_defrag function */
return return_packet;
}
/* ###set the security information in the recv_frame */
union recv_frame *portctrl(_adapter *adapter, union recv_frame *precv_frame);
union recv_frame *portctrl(_adapter *adapter, union recv_frame *precv_frame)
{
u8 *psta_addr = NULL;
u8 *ptr;
uint auth_alg;
struct recv_frame_hdr *pfhdr;
struct sta_info *psta;
struct sta_priv *pstapriv ;
union recv_frame *prtnframe;
u16 ether_type = 0;
u16 eapol_type = 0x888e;/* for Funia BD's WPA issue */
struct rx_pkt_attrib *pattrib;
pstapriv = &adapter->stapriv;
auth_alg = adapter->securitypriv.dot11AuthAlgrthm;
ptr = get_recvframe_data(precv_frame);
pfhdr = &precv_frame->u.hdr;
pattrib = &pfhdr->attrib;
psta_addr = pattrib->ta;
prtnframe = NULL;
psta = rtw_get_stainfo(pstapriv, psta_addr);
if (auth_alg == dot11AuthAlgrthm_8021X) {
if ((psta != NULL) && (psta->ieee8021x_blocked)) {
/* blocked */
/* only accept EAPOL frame */
prtnframe = precv_frame;
/* get ether_type */
ptr = ptr + pfhdr->attrib.hdrlen + pfhdr->attrib.iv_len + LLC_HEADER_SIZE;
_rtw_memcpy(&ether_type, ptr, 2);
ether_type = ntohs((unsigned short)ether_type);
if (ether_type == eapol_type)
prtnframe = precv_frame;
else {
/* free this frame */
rtw_free_recvframe(precv_frame, &adapter->recvpriv.free_recv_queue);
prtnframe = NULL;
}
} else {
/* allowed */
/* check decryption status, and decrypt the frame if needed */
prtnframe = precv_frame;
/* check is the EAPOL frame or not (Rekey) */
/* if(ether_type == eapol_type){ */
/* check Rekey */
/* prtnframe=precv_frame; */
/* } */
}
} else
prtnframe = precv_frame;
return prtnframe;
}
sint recv_decache(union recv_frame *precv_frame, u16 *tid_rxseq)
{
struct sta_info *sta = precv_frame->u.hdr.psta;
sint tid = precv_frame->u.hdr.attrib.priority;
u16 seq_ctrl = ((precv_frame->u.hdr.attrib.seq_num & 0xffff) << 4) |
(precv_frame->u.hdr.attrib.frag_num & 0xf);
if (tid > 15)
return _FAIL;
if (seq_ctrl == tid_rxseq[tid]) {
/* for non-AMPDU case */
sta->sta_stats.duplicate_cnt++;
if (sta->sta_stats.duplicate_cnt % 100 == 0)
RTW_INFO("%s: tid=%u seq=%d frag=%d\n", __func__
, tid, precv_frame->u.hdr.attrib.seq_num
, precv_frame->u.hdr.attrib.frag_num);
return _FAIL;
}
tid_rxseq[tid] = seq_ctrl;
return _SUCCESS;
}
/* VALID_PN_CHK
* Return true when PN is legal, otherwise false.
* Legal PN:
* 1. If old PN is 0, any PN is legal
* 2. PN > old PN
*/
#define PN_LESS_CHK(a, b) (((a-b) & 0x800000000000) != 0)
#define VALID_PN_CHK(new, old) (((old) == 0) || PN_LESS_CHK(old, new))
#define CCMPH_2_KEYID(ch) (((ch) & 0x00000000c0000000) >> 30)
sint recv_ucast_pn_decache(union recv_frame *precv_frame);
sint recv_ucast_pn_decache(union recv_frame *precv_frame)
{
_adapter *padapter = precv_frame->u.hdr.adapter;
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
struct sta_info *sta = precv_frame->u.hdr.psta;
struct stainfo_rxcache *prxcache = &sta->sta_recvpriv.rxcache;
u8 *pdata = precv_frame->u.hdr.rx_data;
u32 data_len = precv_frame->u.hdr.len;
sint tid = precv_frame->u.hdr.attrib.priority;
u64 tmp_iv_hdr = 0;
u64 curr_pn = 0, pkt_pn = 0;
if (tid > 15)
return _FAIL;
if (pattrib->encrypt == _AES_) {
tmp_iv_hdr = le64_to_cpu(*(u64*)(pdata + pattrib->hdrlen));
pkt_pn = CCMPH_2_PN(tmp_iv_hdr);
tmp_iv_hdr = le64_to_cpu(*(u64*)prxcache->iv[tid]);
curr_pn = CCMPH_2_PN(tmp_iv_hdr);
if (!VALID_PN_CHK(pkt_pn, curr_pn)) {
/* return _FAIL; */
} else {
prxcache->last_tid = tid;
_rtw_memcpy(prxcache->iv[tid],
(pdata + pattrib->hdrlen),
sizeof(prxcache->iv[tid]));
}
}
return _SUCCESS;
}
sint recv_bcast_pn_decache(union recv_frame *precv_frame);
sint recv_bcast_pn_decache(union recv_frame *precv_frame)
{
_adapter *padapter = precv_frame->u.hdr.adapter;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
u8 *pdata = precv_frame->u.hdr.rx_data;
u32 data_len = precv_frame->u.hdr.len;
u64 tmp_iv_hdr = 0;
u64 curr_pn = 0, pkt_pn = 0;
u8 key_id;
if ((pattrib->encrypt == _AES_) &&
(check_fwstate(pmlmepriv, WIFI_STATION_STATE) == _TRUE)) {
tmp_iv_hdr = le64_to_cpu(*(u64*)(pdata + pattrib->hdrlen));
key_id = CCMPH_2_KEYID(tmp_iv_hdr);
pkt_pn = CCMPH_2_PN(tmp_iv_hdr);
curr_pn = le64_to_cpu(*(u64*)psecuritypriv->iv_seq[key_id]);
curr_pn &= 0x0000ffffffffffff;
if (!VALID_PN_CHK(pkt_pn, curr_pn))
return _FAIL;
*(u64*)psecuritypriv->iv_seq[key_id] = cpu_to_le64(pkt_pn);
}
return _SUCCESS;
}
void process_pwrbit_data(_adapter *padapter, union recv_frame *precv_frame, struct sta_info *psta)
{
#ifdef CONFIG_AP_MODE
unsigned char pwrbit;
u8 *ptr = precv_frame->u.hdr.rx_data;
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
struct sta_priv *pstapriv = &padapter->stapriv;
pwrbit = GetPwrMgt(ptr);
if (pwrbit) {
if (!(psta->state & WIFI_SLEEP_STATE)) {
/* psta->state |= WIFI_SLEEP_STATE; */
/* rtw_tim_map_set(padapter, pstapriv->sta_dz_bitmap, BIT(psta->cmn.aid)); */
stop_sta_xmit(padapter, psta);
/* RTW_INFO_DUMP("to sleep, sta_dz_bitmap=", pstapriv->sta_dz_bitmap, pstapriv->aid_bmp_len); */
}
} else {
if (psta->state & WIFI_SLEEP_STATE) {
/* psta->state ^= WIFI_SLEEP_STATE; */
/* rtw_tim_map_clear(padapter, pstapriv->sta_dz_bitmap, BIT(psta->cmn.aid)); */
wakeup_sta_to_xmit(padapter, psta);
/* RTW_INFO_DUMP("to wakeup, sta_dz_bitmap=", pstapriv->sta_dz_bitmap, pstapriv->aid_bmp_len); */
}
}
#endif
}
void process_wmmps_data(_adapter *padapter, union recv_frame *precv_frame, struct sta_info *psta)
{
#ifdef CONFIG_AP_MODE
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
struct sta_priv *pstapriv = &padapter->stapriv;
#ifdef CONFIG_TDLS
if (!(psta->tdls_sta_state & TDLS_LINKED_STATE)) {
#endif /* CONFIG_TDLS */
if (!psta->qos_option)
return;
if (!(psta->qos_info & 0xf))
return;
#ifdef CONFIG_TDLS
}
#endif /* CONFIG_TDLS */
if (psta->state & WIFI_SLEEP_STATE) {
u8 wmmps_ac = 0;
switch (pattrib->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) {
if (psta->sleepq_ac_len > 0) {
/* process received triggered frame */
xmit_delivery_enabled_frames(padapter, psta);
} else {
/* issue one qos null frame with More data bit = 0 and the EOSP bit set (=1) */
issue_qos_nulldata(padapter, psta->cmn.mac_addr, (u16)pattrib->priority, 0, 0, 0);
}
}
}
#endif
}
#ifdef CONFIG_TDLS
sint OnTDLS(_adapter *adapter, union recv_frame *precv_frame)
{
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
sint ret = _SUCCESS;
u8 *paction = get_recvframe_data(precv_frame);
u8 category_field = 1;
#ifdef CONFIG_WFD
u8 WFA_OUI[3] = { 0x50, 0x6f, 0x9a };
#endif /* CONFIG_WFD */
struct tdls_info *ptdlsinfo = &(adapter->tdlsinfo);
u8 *ptr = precv_frame->u.hdr.rx_data;
struct sta_priv *pstapriv = &(adapter->stapriv);
struct sta_info *ptdls_sta = NULL;
/* point to action field */
paction += pattrib->hdrlen
+ pattrib->iv_len
+ SNAP_SIZE
+ ETH_TYPE_LEN
+ PAYLOAD_TYPE_LEN
+ category_field;
RTW_INFO("[TDLS] Recv %s from "MAC_FMT" with SeqNum = %d\n", rtw_tdls_action_txt(*paction), MAC_ARG(pattrib->src), GetSequence(get_recvframe_data(precv_frame)));
if (hal_chk_wl_func(adapter, WL_FUNC_TDLS) == _FALSE) {
RTW_INFO("Ignore tdls frame since hal doesn't support tdls\n");
ret = _FAIL;
return ret;
}
if (rtw_is_tdls_enabled(adapter) == _FALSE) {
RTW_INFO("recv tdls frame, "
"but tdls haven't enabled\n");
ret = _FAIL;
return ret;
}
ptdls_sta = rtw_get_stainfo(pstapriv, get_sa(ptr));
if (ptdls_sta == NULL) {
switch (*paction) {
case TDLS_SETUP_REQUEST:
case TDLS_DISCOVERY_REQUEST:
break;
default:
RTW_INFO("[TDLS] %s - Direct Link Peer = "MAC_FMT" not found for action = %d\n", __func__, MAC_ARG(get_sa(ptr)), *paction);
ret = _FAIL;
goto exit;
}
}
switch (*paction) {
case TDLS_SETUP_REQUEST:
ret = On_TDLS_Setup_Req(adapter, precv_frame, ptdls_sta);
break;
case TDLS_SETUP_RESPONSE:
ret = On_TDLS_Setup_Rsp(adapter, precv_frame, ptdls_sta);
break;
case TDLS_SETUP_CONFIRM:
ret = On_TDLS_Setup_Cfm(adapter, precv_frame, ptdls_sta);
break;
case TDLS_TEARDOWN:
ret = On_TDLS_Teardown(adapter, precv_frame, ptdls_sta);
break;
case TDLS_DISCOVERY_REQUEST:
ret = On_TDLS_Dis_Req(adapter, precv_frame);
break;
case TDLS_PEER_TRAFFIC_INDICATION:
ret = On_TDLS_Peer_Traffic_Indication(adapter, precv_frame, ptdls_sta);
break;
case TDLS_PEER_TRAFFIC_RESPONSE:
ret = On_TDLS_Peer_Traffic_Rsp(adapter, precv_frame, ptdls_sta);
break;
#ifdef CONFIG_TDLS_CH_SW
case TDLS_CHANNEL_SWITCH_REQUEST:
ret = On_TDLS_Ch_Switch_Req(adapter, precv_frame, ptdls_sta);
break;
case TDLS_CHANNEL_SWITCH_RESPONSE:
ret = On_TDLS_Ch_Switch_Rsp(adapter, precv_frame, ptdls_sta);
break;
#endif
#ifdef CONFIG_WFD
/* First byte of WFA OUI */
case 0x50:
if (_rtw_memcmp(WFA_OUI, paction, 3)) {
/* Probe request frame */
if (*(paction + 3) == 0x04) {
/* WFDTDLS: for sigma test, do not setup direct link automatically */
ptdlsinfo->dev_discovered = _TRUE;
RTW_INFO("recv tunneled probe request frame\n");
issue_tunneled_probe_rsp(adapter, precv_frame);
}
/* Probe response frame */
if (*(paction + 3) == 0x05) {
/* WFDTDLS: for sigma test, do not setup direct link automatically */
ptdlsinfo->dev_discovered = _TRUE;
RTW_INFO("recv tunneled probe response frame\n");
}
}
break;
#endif /* CONFIG_WFD */
default:
RTW_INFO("receive TDLS frame %d but not support\n", *paction);
ret = _FAIL;
break;
}
exit:
return ret;
}
#endif /* CONFIG_TDLS */
void count_rx_stats(_adapter *padapter, union recv_frame *prframe, struct sta_info *sta)
{
int sz;
struct sta_info *psta = NULL;
struct stainfo_stats *pstats = NULL;
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
struct recv_priv *precvpriv = &padapter->recvpriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
sz = get_recvframe_len(prframe);
precvpriv->rx_bytes += sz;
padapter->mlmepriv.LinkDetectInfo.NumRxOkInPeriod++;
if ((!MacAddr_isBcst(pattrib->dst)) && (!IS_MCAST(pattrib->dst)))
padapter->mlmepriv.LinkDetectInfo.NumRxUnicastOkInPeriod++;
if (sta)
psta = sta;
else
psta = prframe->u.hdr.psta;
if (psta) {
u8 is_ra_bmc = IS_MCAST(pattrib->ra);
pstats = &psta->sta_stats;
pstats->last_rx_time = rtw_get_current_time();
pstats->rx_data_pkts++;
pstats->rx_bytes += sz;
if (is_broadcast_mac_addr(pattrib->ra)) {
pstats->rx_data_bc_pkts++;
pstats->rx_bc_bytes += sz;
} else if (is_ra_bmc) {
pstats->rx_data_mc_pkts++;
pstats->rx_mc_bytes += sz;
}
if (!is_ra_bmc) {
pstats->rxratecnt[pattrib->data_rate]++;
/*record rx packets for every tid*/
pstats->rx_data_qos_pkts[pattrib->priority]++;
}
#ifdef CONFIG_DYNAMIC_SOML
rtw_dyn_soml_byte_update(padapter, pattrib->data_rate, sz);
#endif
}
#ifdef CONFIG_CHECK_LEAVE_LPS
traffic_check_for_leave_lps(padapter, _FALSE, 0);
#endif /* CONFIG_LPS */
}
sint sta2sta_data_frame(
_adapter *adapter,
union recv_frame *precv_frame,
struct sta_info **psta
)
{
u8 *ptr = precv_frame->u.hdr.rx_data;
sint ret = _SUCCESS;
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
struct sta_priv *pstapriv = &adapter->stapriv;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
u8 *mybssid = get_bssid(pmlmepriv);
u8 *myhwaddr = adapter_mac_addr(adapter);
u8 *sta_addr = pattrib->ta;
sint bmcast = IS_MCAST(pattrib->dst);
#ifdef CONFIG_TDLS
struct tdls_info *ptdlsinfo = &adapter->tdlsinfo;
#ifdef CONFIG_TDLS_CH_SW
struct tdls_ch_switch *pchsw_info = &ptdlsinfo->chsw_info;
#endif
struct sta_info *ptdls_sta = NULL;
u8 *psnap_type = ptr + pattrib->hdrlen + pattrib->iv_len + SNAP_SIZE;
/* frame body located after [+2]: ether-type, [+1]: payload type */
u8 *pframe_body = psnap_type + 2 + 1;
#endif
/* RTW_INFO("[%s] %d, seqnum:%d\n", __FUNCTION__, __LINE__, pattrib->seq_num); */
if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == _TRUE) ||
(check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == _TRUE)) {
/* filter packets that SA is myself or multicast or broadcast */
if (_rtw_memcmp(myhwaddr, pattrib->src, ETH_ALEN)) {
ret = _FAIL;
goto exit;
}
if ((!_rtw_memcmp(myhwaddr, pattrib->dst, ETH_ALEN)) && (!bmcast)) {
ret = _FAIL;
goto exit;
}
if (_rtw_memcmp(pattrib->bssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) ||
_rtw_memcmp(mybssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) ||
(!_rtw_memcmp(pattrib->bssid, mybssid, ETH_ALEN))) {
ret = _FAIL;
goto exit;
}
} else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == _TRUE) {
#ifdef CONFIG_TDLS
/* direct link data transfer */
if (ptdlsinfo->link_established == _TRUE) {
*psta = ptdls_sta = rtw_get_stainfo(pstapriv, pattrib->ta);
if (ptdls_sta == NULL) {
ret = _FAIL;
goto exit;
} else if (ptdls_sta->tdls_sta_state & TDLS_LINKED_STATE) {
/* filter packets that SA is myself or multicast or broadcast */
if (_rtw_memcmp(myhwaddr, pattrib->src, ETH_ALEN)) {
ret = _FAIL;
goto exit;
}
/* da should be for me */
if ((!_rtw_memcmp(myhwaddr, pattrib->dst, ETH_ALEN)) && (!bmcast)) {
ret = _FAIL;
goto exit;
}
/* check BSSID */
if (_rtw_memcmp(pattrib->bssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) ||
_rtw_memcmp(mybssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) ||
(!_rtw_memcmp(pattrib->bssid, mybssid, ETH_ALEN))) {
ret = _FAIL;
goto exit;
}
#ifdef CONFIG_TDLS_CH_SW
if (ATOMIC_READ(&pchsw_info->chsw_on) == _TRUE) {
if (adapter->mlmeextpriv.cur_channel != rtw_get_oper_ch(adapter)) {
pchsw_info->ch_sw_state |= TDLS_PEER_AT_OFF_STATE;
if (!(pchsw_info->ch_sw_state & TDLS_CH_SW_INITIATOR_STATE))
_cancel_timer_ex(&ptdls_sta->ch_sw_timer);
/* On_TDLS_Peer_Traffic_Rsp(adapter, precv_frame); */
}
}
#endif
/* process UAPSD tdls sta */
process_pwrbit_data(adapter, precv_frame, ptdls_sta);
/* if NULL-frame, check pwrbit */
if ((get_frame_sub_type(ptr) & WIFI_DATA_NULL) == WIFI_DATA_NULL) {
/* NULL-frame with pwrbit=1, buffer_STA should buffer frames for sleep_STA */
if (GetPwrMgt(ptr)) {
/* it would be triggered when we are off channel and receiving NULL DATA */
/* we can confirm that peer STA is at off channel */
RTW_INFO("TDLS: recv peer null frame with pwr bit 1\n");
/* ptdls_sta->tdls_sta_state|=TDLS_PEER_SLEEP_STATE; */
}
/* TODO: Updated BSSID's seq. */
/* RTW_INFO("drop Null Data\n"); */
ptdls_sta->tdls_sta_state &= ~(TDLS_WAIT_PTR_STATE);
ret = _FAIL;
goto exit;
}
/* receive some of all TDLS management frames, process it at ON_TDLS */
if (_rtw_memcmp(psnap_type, SNAP_ETH_TYPE_TDLS, 2)) {
ret = OnTDLS(adapter, precv_frame);
goto exit;
}
if ((get_frame_sub_type(ptr) & WIFI_QOS_DATA_TYPE) == WIFI_QOS_DATA_TYPE)
process_wmmps_data(adapter, precv_frame, ptdls_sta);
ptdls_sta->tdls_sta_state &= ~(TDLS_WAIT_PTR_STATE);
}
} else
#endif /* CONFIG_TDLS */
{
/* For Station mode, sa and bssid should always be BSSID, and DA is my mac-address */
if (!_rtw_memcmp(pattrib->bssid, pattrib->src, ETH_ALEN)) {
ret = _FAIL;
goto exit;
}
}
} else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE) {
if (bmcast) {
/* For AP mode, if DA == MCAST, then BSSID should be also MCAST */
if (!IS_MCAST(pattrib->bssid)) {
ret = _FAIL;
goto exit;
}
} else { /* not mc-frame */
/* For AP mode, if DA is non-MCAST, then it must be BSSID, and bssid == BSSID */
if (!_rtw_memcmp(pattrib->bssid, pattrib->dst, ETH_ALEN)) {
ret = _FAIL;
goto exit;
}
}
} else if (check_fwstate(pmlmepriv, WIFI_MP_STATE) == _TRUE) {
_rtw_memcpy(pattrib->dst, GetAddr1Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->src, get_addr2_ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->bssid, GetAddr3Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
_rtw_memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
sta_addr = mybssid;
} else
ret = _FAIL;
#ifdef CONFIG_TDLS
if (ptdls_sta == NULL)
#endif
*psta = rtw_get_stainfo(pstapriv, sta_addr);
if (*psta == NULL) {
#ifdef CONFIG_MP_INCLUDED
if (adapter->registrypriv.mp_mode == 1) {
if (check_fwstate(pmlmepriv, WIFI_MP_STATE) == _TRUE)
adapter->mppriv.rx_pktloss++;
}
#endif
ret = _FAIL;
goto exit;
}
exit:
return ret;
}
sint ap2sta_data_frame(
_adapter *adapter,
union recv_frame *precv_frame,
struct sta_info **psta)
{
u8 *ptr = precv_frame->u.hdr.rx_data;
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
sint ret = _SUCCESS;
struct sta_priv *pstapriv = &adapter->stapriv;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
u8 *mybssid = get_bssid(pmlmepriv);
u8 *myhwaddr = adapter_mac_addr(adapter);
sint bmcast = IS_MCAST(pattrib->dst);
if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == _TRUE)
&& (check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE
|| check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == _TRUE)
) {
/* filter packets that SA is myself or multicast or broadcast */
if (_rtw_memcmp(myhwaddr, pattrib->src, ETH_ALEN)) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" SA="MAC_FMT", myhwaddr="MAC_FMT"\n"
, FUNC_ADPT_ARG(adapter), MAC_ARG(pattrib->src), MAC_ARG(myhwaddr));
#endif
ret = _FAIL;
goto exit;
}
/* da should be for me */
if ((!_rtw_memcmp(myhwaddr, pattrib->dst, ETH_ALEN)) && (!bmcast)) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" DA="MAC_FMT"\n"
, FUNC_ADPT_ARG(adapter), MAC_ARG(pattrib->dst));
#endif
ret = _FAIL;
goto exit;
}
/* check BSSID */
if (_rtw_memcmp(pattrib->bssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) ||
_rtw_memcmp(mybssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) ||
(!_rtw_memcmp(pattrib->bssid, mybssid, ETH_ALEN))) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" BSSID="MAC_FMT", mybssid="MAC_FMT"\n"
, FUNC_ADPT_ARG(adapter), MAC_ARG(pattrib->bssid), MAC_ARG(mybssid));
#endif
if (!bmcast) {
RTW_INFO(ADPT_FMT" -issue_deauth to the nonassociated ap=" MAC_FMT " for the reason(7)\n", ADPT_ARG(adapter), MAC_ARG(pattrib->bssid));
issue_deauth(adapter, pattrib->bssid, WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
}
ret = _FAIL;
goto exit;
}
*psta = rtw_get_stainfo(pstapriv, pattrib->ta);
if (*psta == NULL) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" can't get psta under STATION_MODE ; drop pkt\n"
, FUNC_ADPT_ARG(adapter));
#endif
ret = _FAIL;
goto exit;
}
/*if ((get_frame_sub_type(ptr) & WIFI_QOS_DATA_TYPE) == WIFI_QOS_DATA_TYPE) {
}
*/
if (get_frame_sub_type(ptr) & BIT(6)) {
/* No data, will not indicate to upper layer, temporily count it here */
count_rx_stats(adapter, precv_frame, *psta);
ret = RTW_RX_HANDLED;
goto exit;
}
} else if ((check_fwstate(pmlmepriv, WIFI_MP_STATE) == _TRUE) &&
(check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE)) {
_rtw_memcpy(pattrib->dst, GetAddr1Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->src, get_addr2_ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->bssid, GetAddr3Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
_rtw_memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
*psta = rtw_get_stainfo(pstapriv, pattrib->bssid); /* get sta_info */
if (*psta == NULL) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" can't get psta under WIFI_MP_STATE ; drop pkt\n"
, FUNC_ADPT_ARG(adapter));
#endif
ret = _FAIL;
goto exit;
}
} else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE) {
/* Special case */
ret = RTW_RX_HANDLED;
goto exit;
} else {
if (_rtw_memcmp(myhwaddr, pattrib->dst, ETH_ALEN) && (!bmcast)) {
*psta = rtw_get_stainfo(pstapriv, pattrib->ta);
if (*psta == NULL) {
/* for AP multicast issue , modify by yiwei */
static systime send_issue_deauth_time = 0;
/* RTW_INFO("After send deauth , %u ms has elapsed.\n", rtw_get_passing_time_ms(send_issue_deauth_time)); */
if (rtw_get_passing_time_ms(send_issue_deauth_time) > 10000 || send_issue_deauth_time == 0) {
send_issue_deauth_time = rtw_get_current_time();
RTW_INFO("issue_deauth to the ap=" MAC_FMT " for the reason(7)\n", MAC_ARG(pattrib->bssid));
issue_deauth(adapter, pattrib->bssid, WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
}
}
}
ret = _FAIL;
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" fw_state:0x%x\n"
, FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv));
#endif
}
exit:
return ret;
}
sint sta2ap_data_frame(
_adapter *adapter,
union recv_frame *precv_frame,
struct sta_info **psta)
{
u8 *ptr = precv_frame->u.hdr.rx_data;
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
struct sta_priv *pstapriv = &adapter->stapriv;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
unsigned char *mybssid = get_bssid(pmlmepriv);
sint ret = _SUCCESS;
if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE) {
/* For AP mode, RA=BSSID, TX=STA(SRC_ADDR), A3=DST_ADDR */
if (!_rtw_memcmp(pattrib->bssid, mybssid, ETH_ALEN)) {
ret = _FAIL;
goto exit;
}
*psta = rtw_get_stainfo(pstapriv, pattrib->ta);
if (*psta == NULL) {
#ifdef CONFIG_DFS_MASTER
struct rf_ctl_t *rfctl = adapter_to_rfctl(adapter);
/* prevent RX tasklet blocks cmd_thread */
if (rfctl->radar_detected == 1)
goto bypass_deauth7;
#endif
RTW_INFO("issue_deauth to sta=" MAC_FMT " for the reason(7)\n", MAC_ARG(pattrib->src));
issue_deauth(adapter, pattrib->src, WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
#ifdef CONFIG_DFS_MASTER
bypass_deauth7:
#endif
ret = RTW_RX_HANDLED;
goto exit;
}
process_pwrbit_data(adapter, precv_frame, *psta);
if ((get_frame_sub_type(ptr) & WIFI_QOS_DATA_TYPE) == WIFI_QOS_DATA_TYPE)
process_wmmps_data(adapter, precv_frame, *psta);
if (get_frame_sub_type(ptr) & BIT(6)) {
/* No data, will not indicate to upper layer, temporily count it here */
count_rx_stats(adapter, precv_frame, *psta);
ret = RTW_RX_HANDLED;
goto exit;
}
} else if ((check_fwstate(pmlmepriv, WIFI_MP_STATE) == _TRUE) &&
(check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE)) {
/* RTW_INFO("%s ,in WIFI_MP_STATE\n",__func__); */
_rtw_memcpy(pattrib->dst, GetAddr1Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->src, get_addr2_ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->bssid, GetAddr3Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
_rtw_memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
*psta = rtw_get_stainfo(pstapriv, pattrib->bssid); /* get sta_info */
if (*psta == NULL) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" can't get psta under WIFI_MP_STATE ; drop pkt\n"
, FUNC_ADPT_ARG(adapter));
#endif
ret = _FAIL;
goto exit;
}
} else {
u8 *myhwaddr = adapter_mac_addr(adapter);
if (!_rtw_memcmp(pattrib->ra, myhwaddr, ETH_ALEN)) {
ret = RTW_RX_HANDLED;
goto exit;
}
RTW_INFO("issue_deauth to sta=" MAC_FMT " for the reason(7)\n", MAC_ARG(pattrib->src));
issue_deauth(adapter, pattrib->src, WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
ret = RTW_RX_HANDLED;
goto exit;
}
exit:
return ret;
}
sint validate_recv_ctrl_frame(_adapter *padapter, union recv_frame *precv_frame);
sint validate_recv_ctrl_frame(_adapter *padapter, union recv_frame *precv_frame)
{
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
struct sta_priv *pstapriv = &padapter->stapriv;
u8 *pframe = precv_frame->u.hdr.rx_data;
struct sta_info *psta = NULL;
/* uint len = precv_frame->u.hdr.len; */
/* RTW_INFO("+validate_recv_ctrl_frame\n"); */
if (GetFrameType(pframe) != WIFI_CTRL_TYPE)
return _FAIL;
/* receive the frames that ra(a1) is my address */
if (!_rtw_memcmp(GetAddr1Ptr(pframe), adapter_mac_addr(padapter), ETH_ALEN))
return _FAIL;
psta = rtw_get_stainfo(pstapriv, get_addr2_ptr(pframe));
if (psta == NULL)
return _FAIL;
/* for rx pkt statistics */
psta->sta_stats.last_rx_time = rtw_get_current_time();
psta->sta_stats.rx_ctrl_pkts++;
/* only handle ps-poll */
if (get_frame_sub_type(pframe) == WIFI_PSPOLL) {
#ifdef CONFIG_AP_MODE
u16 aid;
u8 wmmps_ac = 0;
aid = GetAid(pframe);
if (psta->cmn.aid != aid)
return _FAIL;
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)
return _FAIL;
if (psta->state & WIFI_STA_ALIVE_CHK_STATE) {
RTW_INFO("%s alive check-rx ps-poll\n", __func__);
psta->expire_to = pstapriv->expire_to;
psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
}
if ((psta->state & WIFI_SLEEP_STATE) && (rtw_tim_map_is_set(padapter, pstapriv->sta_dz_bitmap, psta->cmn.aid))) {
_irqL irqL;
_list *xmitframe_plist, *xmitframe_phead;
struct xmit_frame *pxmitframe = NULL;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
/* _enter_critical_bh(&psta->sleep_q.lock, &irqL); */
_enter_critical_bh(&pxmitpriv->lock, &irqL);
xmitframe_phead = get_list_head(&psta->sleep_q);
xmitframe_plist = get_next(xmitframe_phead);
if ((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->sleepq_len--;
if (psta->sleepq_len > 0)
pxmitframe->attrib.mdata = 1;
else
pxmitframe->attrib.mdata = 0;
pxmitframe->attrib.triggered = 1;
/* RTW_INFO("handling ps-poll, q_len=%d\n", psta->sleepq_len); */
/* RTW_INFO_DUMP("handling, tim=", pstapriv->tim_bitmap, pstapriv->aid_bmp_len); */
#if 0
_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);
#endif
rtw_hal_xmitframe_enqueue(padapter, pxmitframe);
if (psta->sleepq_len == 0) {
rtw_tim_map_clear(padapter, pstapriv->tim_bitmap, psta->cmn.aid);
/* RTW_INFO("after handling ps-poll\n"); */
/* RTW_INFO_DUMP("after handling, tim=", pstapriv->tim_bitmap, pstapriv->aid_bmp_len); */
/* upate BCN for TIM IE */
/* update_BCNTIM(padapter); */
update_beacon(padapter, _TIM_IE_, NULL, _TRUE);
}
/* _exit_critical_bh(&psta->sleep_q.lock, &irqL); */
_exit_critical_bh(&pxmitpriv->lock, &irqL);
} else {
/* _exit_critical_bh(&psta->sleep_q.lock, &irqL); */
_exit_critical_bh(&pxmitpriv->lock, &irqL);
/* RTW_INFO("no buffered packets to xmit\n"); */
if (rtw_tim_map_is_set(padapter, pstapriv->tim_bitmap, psta->cmn.aid)) {
if (psta->sleepq_len == 0) {
RTW_INFO("no buffered packets to xmit\n");
/* issue nulldata with More data bit = 0 to indicate we have no buffered packets */
issue_nulldata(padapter, psta->cmn.mac_addr, 0, 0, 0);
} else {
RTW_INFO("error!psta->sleepq_len=%d\n", psta->sleepq_len);
psta->sleepq_len = 0;
}
rtw_tim_map_clear(padapter, pstapriv->tim_bitmap, psta->cmn.aid);
/* upate BCN for TIM IE */
/* update_BCNTIM(padapter); */
update_beacon(padapter, _TIM_IE_, NULL, _TRUE);
}
}
}
#endif /* CONFIG_AP_MODE */
} else if (get_frame_sub_type(pframe) == WIFI_NDPA) {
#ifdef CONFIG_BEAMFORMING
rtw_beamforming_get_ndpa_frame(padapter, precv_frame);
#endif/*CONFIG_BEAMFORMING*/
} else if (get_frame_sub_type(pframe) == WIFI_BAR) {
rtw_process_bar_frame(padapter, precv_frame);
}
return _FAIL;
}
#if defined(CONFIG_IEEE80211W) || defined(CONFIG_RTW_MESH)
static sint validate_mgmt_protect(_adapter *adapter, union recv_frame *precv_frame)
{
#define DBG_VALIDATE_MGMT_PROTECT 0
#define DBG_VALIDATE_MGMT_DEC 0
struct security_priv *sec = &adapter->securitypriv;
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
struct sta_info *psta = precv_frame->u.hdr.psta;
u8 *ptr;
u8 type;
u8 subtype;
u8 is_bmc;
u8 category = 0xFF;
#ifdef CONFIG_IEEE80211W
const u8 *igtk;
u16 igtk_id;
u64* ipn;
#endif
u8 *mgmt_DATA;
u32 data_len = 0;
sint ret;
#ifdef CONFIG_RTW_MESH
if (MLME_IS_MESH(adapter)) {
if (!adapter->mesh_info.mesh_auth_id)
return pattrib->privacy ? _FAIL : _SUCCESS;
} else
#endif
if (SEC_IS_BIP_KEY_INSTALLED(sec) == _FALSE)
return _SUCCESS;
ptr = precv_frame->u.hdr.rx_data;
type = GetFrameType(ptr);
subtype = get_frame_sub_type(ptr); /* bit(7)~bit(2) */
is_bmc = IS_MCAST(GetAddr1Ptr(ptr));
#if DBG_VALIDATE_MGMT_PROTECT
if (subtype == WIFI_DEAUTH) {
RTW_INFO(FUNC_ADPT_FMT" bmc:%u, deauth, privacy:%u, encrypt:%u, bdecrypted:%u\n"
, FUNC_ADPT_ARG(adapter)
, is_bmc, pattrib->privacy, pattrib->encrypt, pattrib->bdecrypted);
} else if (subtype == WIFI_DISASSOC) {
RTW_INFO(FUNC_ADPT_FMT" bmc:%u, disassoc, privacy:%u, encrypt:%u, bdecrypted:%u\n"
, FUNC_ADPT_ARG(adapter)
, is_bmc, pattrib->privacy, pattrib->encrypt, pattrib->bdecrypted);
} if (subtype == WIFI_ACTION) {
if (pattrib->privacy) {
RTW_INFO(FUNC_ADPT_FMT" bmc:%u, action(?), privacy:%u, encrypt:%u, bdecrypted:%u\n"
, FUNC_ADPT_ARG(adapter)
, is_bmc, pattrib->privacy, pattrib->encrypt, pattrib->bdecrypted);
} else {
RTW_INFO(FUNC_ADPT_FMT" bmc:%u, action(%u), privacy:%u, encrypt:%u, bdecrypted:%u\n"
, FUNC_ADPT_ARG(adapter), is_bmc
, *(ptr + sizeof(struct rtw_ieee80211_hdr_3addr))
, pattrib->privacy, pattrib->encrypt, pattrib->bdecrypted);
}
}
#endif
if (!pattrib->privacy) {
if (!psta || !(psta->flags & WLAN_STA_MFP)) {
/* peer is not MFP capable, no need to check */
goto exit;
}
if (subtype == WIFI_ACTION)
category = *(ptr + sizeof(struct rtw_ieee80211_hdr_3addr));
if (is_bmc) {
/* broadcast cases */
if (subtype == WIFI_ACTION) {
if (CATEGORY_IS_GROUP_PRIVACY(category)) {
/* drop broadcast group privacy action frame without encryption */
#if DBG_VALIDATE_MGMT_PROTECT
RTW_INFO(FUNC_ADPT_FMT" broadcast gp action(%u) w/o encrypt\n"
, FUNC_ADPT_ARG(adapter), category);
#endif
goto fail;
}
if (CATEGORY_IS_ROBUST(category)) {
/* broadcast robust action frame need BIP check */
goto bip_verify;
}
}
if (subtype == WIFI_DEAUTH || subtype == WIFI_DISASSOC) {
/* broadcast deauth or disassoc frame need BIP check */
goto bip_verify;
}
goto exit;
} else {
/* unicast cases */
#ifdef CONFIG_IEEE80211W
if (subtype == WIFI_DEAUTH || subtype == WIFI_DISASSOC) {
if (!MLME_IS_MESH(adapter)) {
unsigned short reason = le16_to_cpu(*(unsigned short *)(ptr + WLAN_HDR_A3_LEN));
#if DBG_VALIDATE_MGMT_PROTECT
RTW_INFO(FUNC_ADPT_FMT" unicast %s, reason=%d w/o encrypt\n"
, FUNC_ADPT_ARG(adapter), subtype == WIFI_DEAUTH ? "deauth" : "disassoc", reason);
#endif
if (reason == 6 || reason == 7) {
/* issue sa query request */
issue_action_SA_Query(adapter, psta->cmn.mac_addr, 0, 0, IEEE80211W_RIGHT_KEY);
}
}
goto fail;
}
#endif
if (subtype == WIFI_ACTION && CATEGORY_IS_ROBUST(category)) {
if (psta->bpairwise_key_installed == _TRUE) {
#if DBG_VALIDATE_MGMT_PROTECT
RTW_INFO(FUNC_ADPT_FMT" unicast robust action(%d) w/o encrypt\n"
, FUNC_ADPT_ARG(adapter), category);
#endif
goto fail;
}
}
goto exit;
}
bip_verify:
#ifdef CONFIG_IEEE80211W
#ifdef CONFIG_RTW_MESH
if (MLME_IS_MESH(adapter)) {
if (psta->igtk_bmp) {
igtk = psta->igtk.skey;
igtk_id = psta->igtk_id;
ipn = &psta->igtk_pn.val;
} else {
/* mesh MFP without IGTK */
goto exit;
}
} else
#endif
{
igtk = sec->dot11wBIPKey[sec->dot11wBIPKeyid].skey;
igtk_id = sec->dot11wBIPKeyid;
ipn = &sec->dot11wBIPrxpn.val;
}
/* verify BIP MME IE */
ret = rtw_BIP_verify(adapter
, get_recvframe_data(precv_frame)
, get_recvframe_len(precv_frame)
, igtk, igtk_id, ipn);
if (ret == _FAIL) {
/* RTW_INFO("802.11w BIP verify fail\n"); */
goto fail;
} else if (ret == RTW_RX_HANDLED) {
#if DBG_VALIDATE_MGMT_PROTECT
RTW_INFO(FUNC_ADPT_FMT" none protected packet\n", FUNC_ADPT_ARG(adapter));
#endif
goto fail;
}
#endif /* CONFIG_IEEE80211W */
goto exit;
}
/* cases to decrypt mgmt frame */
pattrib->bdecrypted = 0;
pattrib->encrypt = _AES_;
pattrib->hdrlen = sizeof(struct rtw_ieee80211_hdr_3addr);
/* set iv and icv length */
SET_ICE_IV_LEN(pattrib->iv_len, pattrib->icv_len, pattrib->encrypt);
_rtw_memcpy(pattrib->ra, GetAddr1Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->ta, get_addr2_ptr(ptr), ETH_ALEN);
/* actual management data frame body */
data_len = pattrib->pkt_len - pattrib->hdrlen - pattrib->iv_len - pattrib->icv_len;
mgmt_DATA = rtw_zmalloc(data_len);
if (mgmt_DATA == NULL) {
RTW_INFO(FUNC_ADPT_FMT" mgmt allocate fail !!!!!!!!!\n", FUNC_ADPT_ARG(adapter));
goto fail;
}
#if DBG_VALIDATE_MGMT_DEC
/* dump the packet content before decrypt */
{
int pp;
printk("pattrib->pktlen = %d =>", pattrib->pkt_len);
for (pp = 0; pp < pattrib->pkt_len; pp++)
printk(" %02x ", ptr[pp]);
printk("\n");
}
#endif
precv_frame = decryptor(adapter, precv_frame);
/* save actual management data frame body */
_rtw_memcpy(mgmt_DATA, ptr + pattrib->hdrlen + pattrib->iv_len, data_len);
/* overwrite the iv field */
_rtw_memcpy(ptr + pattrib->hdrlen, mgmt_DATA, data_len);
/* remove the iv and icv length */
pattrib->pkt_len = pattrib->pkt_len - pattrib->iv_len - pattrib->icv_len;
rtw_mfree(mgmt_DATA, data_len);
#if DBG_VALIDATE_MGMT_DEC
/* print packet content after decryption */
{
int pp;
printk("after decryption pattrib->pktlen = %d @@=>", pattrib->pkt_len);
for (pp = 0; pp < pattrib->pkt_len; pp++)
printk(" %02x ", ptr[pp]);
printk("\n");
}
#endif
if (!precv_frame) {
#if DBG_VALIDATE_MGMT_PROTECT
RTW_INFO(FUNC_ADPT_FMT" mgmt descrypt fail !!!!!!!!!\n", FUNC_ADPT_ARG(adapter));
#endif
goto fail;
}
exit:
return _SUCCESS;
fail:
return _FAIL;
}
#endif /* defined(CONFIG_IEEE80211W) || defined(CONFIG_RTW_MESH) */
union recv_frame *recvframe_chk_defrag(PADAPTER padapter, union recv_frame *precv_frame);
sint validate_recv_mgnt_frame(PADAPTER padapter, union recv_frame *precv_frame)
{
struct sta_info *psta = precv_frame->u.hdr.psta
= rtw_get_stainfo(&padapter->stapriv, get_addr2_ptr(precv_frame->u.hdr.rx_data));
#if defined(CONFIG_IEEE80211W) || defined(CONFIG_RTW_MESH)
if (validate_mgmt_protect(padapter, precv_frame) == _FAIL) {
DBG_COUNTER(padapter->rx_logs.core_rx_pre_mgmt_err_80211w);
goto exit;
}
#endif
precv_frame = recvframe_chk_defrag(padapter, precv_frame);
if (precv_frame == NULL)
return _SUCCESS;
/* for rx pkt statistics */
if (psta) {
psta->sta_stats.last_rx_time = rtw_get_current_time();
psta->sta_stats.rx_mgnt_pkts++;
if (get_frame_sub_type(precv_frame->u.hdr.rx_data) == WIFI_BEACON)
psta->sta_stats.rx_beacon_pkts++;
else if (get_frame_sub_type(precv_frame->u.hdr.rx_data) == WIFI_PROBEREQ)
psta->sta_stats.rx_probereq_pkts++;
else if (get_frame_sub_type(precv_frame->u.hdr.rx_data) == WIFI_PROBERSP) {
if (_rtw_memcmp(adapter_mac_addr(padapter), GetAddr1Ptr(precv_frame->u.hdr.rx_data), ETH_ALEN) == _TRUE)
psta->sta_stats.rx_probersp_pkts++;
else if (is_broadcast_mac_addr(GetAddr1Ptr(precv_frame->u.hdr.rx_data))
|| is_multicast_mac_addr(GetAddr1Ptr(precv_frame->u.hdr.rx_data)))
psta->sta_stats.rx_probersp_bm_pkts++;
else
psta->sta_stats.rx_probersp_uo_pkts++;
}
}
#ifdef CONFIG_INTEL_PROXIM
if (padapter->proximity.proxim_on == _TRUE) {
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
struct recv_stat *prxstat = (struct recv_stat *) precv_frame->u.hdr.rx_head ;
u8 *pda, *psa, *pbssid, *ptr;
ptr = precv_frame->u.hdr.rx_data;
pda = get_da(ptr);
psa = get_sa(ptr);
pbssid = get_hdr_bssid(ptr);
_rtw_memcpy(pattrib->dst, pda, ETH_ALEN);
_rtw_memcpy(pattrib->src, psa, ETH_ALEN);
_rtw_memcpy(pattrib->bssid, pbssid, ETH_ALEN);
switch (pattrib->to_fr_ds) {
case 0:
_rtw_memcpy(pattrib->ra, pda, ETH_ALEN);
_rtw_memcpy(pattrib->ta, psa, ETH_ALEN);
break;
case 1:
_rtw_memcpy(pattrib->ra, pda, ETH_ALEN);
_rtw_memcpy(pattrib->ta, pbssid, ETH_ALEN);
break;
case 2:
_rtw_memcpy(pattrib->ra, pbssid, ETH_ALEN);
_rtw_memcpy(pattrib->ta, psa, ETH_ALEN);
break;
case 3:
_rtw_memcpy(pattrib->ra, GetAddr1Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->ta, get_addr2_ptr(ptr), ETH_ALEN);
break;
default:
break;
}
pattrib->priority = 0;
pattrib->hdrlen = pattrib->to_fr_ds == 3 ? 30 : 24;
padapter->proximity.proxim_rx(padapter, precv_frame);
}
#endif
mgt_dispatcher(padapter, precv_frame);
exit:
return _SUCCESS;
}
sint validate_recv_data_frame(_adapter *adapter, union recv_frame *precv_frame)
{
u8 bretry, a4_shift;
struct sta_info *psta = NULL;
u8 *ptr = precv_frame->u.hdr.rx_data;
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
struct sta_priv *pstapriv = &adapter->stapriv;
struct security_priv *psecuritypriv = &adapter->securitypriv;
sint ret = _SUCCESS;
bretry = GetRetry(ptr);
a4_shift = (pattrib->to_fr_ds == 3) ? ETH_ALEN : 0;
/* some address fields are different when using AMSDU */
if (pattrib->qos)
pattrib->amsdu = GetAMsdu(ptr + WLAN_HDR_A3_LEN + a4_shift);
else
pattrib->amsdu = 0;
#ifdef CONFIG_RTW_MESH
if (MLME_IS_MESH(adapter)) {
ret = rtw_mesh_rx_data_validate_hdr(adapter, precv_frame, &psta);
goto pre_validate_status_chk;
}
#endif
switch (pattrib->to_fr_ds) {
case 0:
_rtw_memcpy(pattrib->ra, GetAddr1Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->ta, get_addr2_ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->dst, GetAddr1Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->src, get_addr2_ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->bssid, GetAddr3Ptr(ptr), ETH_ALEN);
ret = sta2sta_data_frame(adapter, precv_frame, &psta);
break;
case 1:
_rtw_memcpy(pattrib->ra, GetAddr1Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->ta, get_addr2_ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->dst, GetAddr1Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->src, GetAddr3Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->bssid, get_addr2_ptr(ptr), ETH_ALEN);
ret = ap2sta_data_frame(adapter, precv_frame, &psta);
break;
case 2:
_rtw_memcpy(pattrib->ra, GetAddr1Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->ta, get_addr2_ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->dst, GetAddr3Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->src, get_addr2_ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->bssid, GetAddr1Ptr(ptr), ETH_ALEN);
ret = sta2ap_data_frame(adapter, precv_frame, &psta);
break;
case 3:
default:
/* WDS is not supported */
ret = _FAIL;
break;
}
pre_validate_status_chk:
if (ret == _FAIL) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" case:%d, res:%d, ra="MAC_FMT", ta="MAC_FMT"\n"
, FUNC_ADPT_ARG(adapter), pattrib->to_fr_ds, ret, MAC_ARG(GetAddr1Ptr(ptr)), MAC_ARG(get_addr2_ptr(ptr)));
#endif
goto exit;
} else if (ret == RTW_RX_HANDLED)
goto exit;
if (psta == NULL) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" psta == NULL, ra="MAC_FMT", ta="MAC_FMT"\n"
, FUNC_ADPT_ARG(adapter), MAC_ARG(GetAddr1Ptr(ptr)), MAC_ARG(get_addr2_ptr(ptr)));
#endif
ret = _FAIL;
goto exit;
}
precv_frame->u.hdr.psta = psta;
pattrib->ack_policy = 0;
/* parsing QC field */
if (pattrib->qos == 1) {
pattrib->priority = GetPriority((ptr + WLAN_HDR_A3_LEN + a4_shift)); /* point to Qos field*/
pattrib->ack_policy = GetAckpolicy((ptr + WLAN_HDR_A3_LEN + a4_shift));
pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN + a4_shift;
if (pattrib->priority != 0 && pattrib->priority != 3)
adapter->recvpriv.is_any_non_be_pkts = _TRUE;
else
adapter->recvpriv.is_any_non_be_pkts = _FALSE;
} else {
pattrib->priority = 0;
pattrib->hdrlen = WLAN_HDR_A3_LEN + a4_shift;
}
if (pattrib->order) /* HT-CTRL 11n */
pattrib->hdrlen += 4;
/* decache, drop duplicate recv packets */
if (!IS_MCAST(pattrib->ra)) {
precv_frame->u.hdr.preorder_ctrl = &psta->recvreorder_ctrl[pattrib->priority];
if (recv_decache(precv_frame, psta->sta_recvpriv.rxcache.tid_rxseq) == _FAIL) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" recv_decache uc return _FAIL for sta="MAC_FMT"\n"
, FUNC_ADPT_ARG(adapter), MAC_ARG(psta->cmn.mac_addr));
#endif
ret = _FAIL;
goto exit;
}
if (recv_ucast_pn_decache(precv_frame) == _FAIL) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" recv_ucast_pn_decache return _FAIL for sta="MAC_FMT"\n"
, FUNC_ADPT_ARG(adapter), MAC_ARG(psta->cmn.mac_addr));
#endif
ret = _FAIL;
goto exit;
}
} else {
precv_frame->u.hdr.preorder_ctrl = NULL;
if (recv_decache(precv_frame, psta->sta_recvpriv.bmc_tid_rxseq) == _FAIL) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" recv_decache bmc return _FAIL for sta="MAC_FMT"\n"
, FUNC_ADPT_ARG(adapter), MAC_ARG(psta->cmn.mac_addr));
#endif
ret = _FAIL;
goto exit;
}
if (recv_bcast_pn_decache(precv_frame) == _FAIL) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" recv_bcast_pn_decache return _FAIL for sta="MAC_FMT"\n"
, FUNC_ADPT_ARG(adapter), MAC_ARG(psta->cmn.mac_addr));
#endif
ret = _FAIL;
goto exit;
}
}
if (pattrib->privacy) {
#ifdef CONFIG_TDLS
if ((psta->tdls_sta_state & TDLS_LINKED_STATE) && (psta->dot118021XPrivacy == _AES_))
pattrib->encrypt = psta->dot118021XPrivacy;
else
#endif /* CONFIG_TDLS */
GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, IS_MCAST(pattrib->ra));
SET_ICE_IV_LEN(pattrib->iv_len, pattrib->icv_len, pattrib->encrypt);
} else {
pattrib->encrypt = 0;
pattrib->iv_len = pattrib->icv_len = 0;
}
#ifdef CONFIG_RTW_MESH
if (!pattrib->amsdu
&& pattrib->mesh_ctrl_present
&& (!pattrib->encrypt || pattrib->bdecrypted))
ret = rtw_mesh_rx_validate_mctrl_non_amsdu(adapter, precv_frame);
#endif
exit:
return ret;
}
static inline void dump_rx_packet(u8 *ptr)
{
int i;
RTW_INFO("#############################\n");
for (i = 0; i < 64; i = i + 8)
RTW_INFO("%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:\n", *(ptr + i),
*(ptr + i + 1), *(ptr + i + 2) , *(ptr + i + 3) , *(ptr + i + 4), *(ptr + i + 5), *(ptr + i + 6), *(ptr + i + 7));
RTW_INFO("#############################\n");
}
sint validate_recv_frame(_adapter *adapter, union recv_frame *precv_frame);
sint validate_recv_frame(_adapter *adapter, union recv_frame *precv_frame)
{
/* shall check frame subtype, to / from ds, da, bssid */
/* then call check if rx seq/frag. duplicated. */
u8 type;
u8 subtype;
sint retval = _SUCCESS;
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
struct recv_priv *precvpriv = &adapter->recvpriv;
u8 *ptr = precv_frame->u.hdr.rx_data;
u8 ver = (unsigned char)(*ptr) & 0x3 ;
#ifdef CONFIG_FIND_BEST_CHANNEL
struct rf_ctl_t *rfctl = adapter_to_rfctl(adapter);
struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
#endif
#ifdef CONFIG_TDLS
struct tdls_info *ptdlsinfo = &adapter->tdlsinfo;
#endif /* CONFIG_TDLS */
#ifdef CONFIG_WAPI_SUPPORT
PRT_WAPI_T pWapiInfo = &adapter->wapiInfo;
struct recv_frame_hdr *phdr = &precv_frame->u.hdr;
u8 wai_pkt = 0;
u16 sc;
u8 external_len = 0;
#endif
#ifdef CONFIG_FIND_BEST_CHANNEL
if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) {
int ch_set_idx = rtw_chset_search_ch(rfctl->channel_set, rtw_get_oper_ch(adapter));
if (ch_set_idx >= 0)
rfctl->channel_set[ch_set_idx].rx_count++;
}
#endif
#ifdef CONFIG_TDLS
if (ptdlsinfo->ch_sensing == 1 && ptdlsinfo->cur_channel != 0)
ptdlsinfo->collect_pkt_num[ptdlsinfo->cur_channel - 1]++;
#endif /* CONFIG_TDLS */
#ifdef RTK_DMP_PLATFORM
if (0) {
RTW_INFO("++\n");
{
int i;
for (i = 0; i < 64; i = i + 8)
RTW_INFO("%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:", *(ptr + i),
*(ptr + i + 1), *(ptr + i + 2) , *(ptr + i + 3) , *(ptr + i + 4), *(ptr + i + 5), *(ptr + i + 6), *(ptr + i + 7));
}
RTW_INFO("--\n");
}
#endif /* RTK_DMP_PLATFORM */
/* add version chk */
if (ver != 0) {
retval = _FAIL;
DBG_COUNTER(adapter->rx_logs.core_rx_pre_ver_err);
goto exit;
}
type = GetFrameType(ptr);
subtype = get_frame_sub_type(ptr); /* bit(7)~bit(2) */
pattrib->to_fr_ds = get_tofr_ds(ptr);
pattrib->frag_num = GetFragNum(ptr);
pattrib->seq_num = GetSequence(ptr);
pattrib->pw_save = GetPwrMgt(ptr);
pattrib->mfrag = GetMFrag(ptr);
pattrib->mdata = GetMData(ptr);
pattrib->privacy = GetPrivacy(ptr);
pattrib->order = GetOrder(ptr);
#ifdef CONFIG_WAPI_SUPPORT
sc = (pattrib->seq_num << 4) | pattrib->frag_num;
#endif
#if 1 /* Dump rx packets */
{
u8 bDumpRxPkt = 0;
rtw_hal_get_def_var(adapter, HAL_DEF_DBG_DUMP_RXPKT, &(bDumpRxPkt));
if (bDumpRxPkt == 1) /* dump all rx packets */
dump_rx_packet(ptr);
else if ((bDumpRxPkt == 2) && (type == WIFI_MGT_TYPE))
dump_rx_packet(ptr);
else if ((bDumpRxPkt == 3) && (type == WIFI_DATA_TYPE))
dump_rx_packet(ptr);
}
#endif
switch (type) {
case WIFI_MGT_TYPE: /* mgnt */
DBG_COUNTER(adapter->rx_logs.core_rx_pre_mgmt);
retval = validate_recv_mgnt_frame(adapter, precv_frame);
if (retval == _FAIL) {
DBG_COUNTER(adapter->rx_logs.core_rx_pre_mgmt_err);
}
retval = _FAIL; /* only data frame return _SUCCESS */
break;
case WIFI_CTRL_TYPE: /* ctrl */
DBG_COUNTER(adapter->rx_logs.core_rx_pre_ctrl);
retval = validate_recv_ctrl_frame(adapter, precv_frame);
if (retval == _FAIL) {
DBG_COUNTER(adapter->rx_logs.core_rx_pre_ctrl_err);
}
retval = _FAIL; /* only data frame return _SUCCESS */
break;
case WIFI_DATA_TYPE: /* data */
DBG_COUNTER(adapter->rx_logs.core_rx_pre_data);
#ifdef CONFIG_WAPI_SUPPORT
if (pattrib->qos)
external_len = 2;
else
external_len = 0;
wai_pkt = rtw_wapi_is_wai_packet(adapter, ptr);
phdr->bIsWaiPacket = wai_pkt;
if (wai_pkt != 0) {
if (sc != adapter->wapiInfo.wapiSeqnumAndFragNum)
adapter->wapiInfo.wapiSeqnumAndFragNum = sc;
else {
retval = _FAIL;
DBG_COUNTER(adapter->rx_logs.core_rx_pre_data_wapi_seq_err);
break;
}
} else {
if (rtw_wapi_drop_for_key_absent(adapter, get_addr2_ptr(ptr))) {
retval = _FAIL;
WAPI_TRACE(WAPI_RX, "drop for key absent for rx\n");
DBG_COUNTER(adapter->rx_logs.core_rx_pre_data_wapi_key_err);
break;
}
}
#endif
pattrib->qos = (subtype & BIT(7)) ? 1 : 0;
retval = validate_recv_data_frame(adapter, precv_frame);
if (retval == _FAIL) {
precvpriv->dbg_rx_drop_count++;
DBG_COUNTER(adapter->rx_logs.core_rx_pre_data_err);
} else if (retval == _SUCCESS) {
#ifdef DBG_RX_DUMP_EAP
if (!pattrib->encrypt || pattrib->bdecrypted) {
u8 bDumpRxPkt;
u16 eth_type;
/* dump eapol */
rtw_hal_get_def_var(adapter, HAL_DEF_DBG_DUMP_RXPKT, &(bDumpRxPkt));
/* get ether_type */
_rtw_memcpy(&eth_type, ptr + pattrib->hdrlen + pattrib->iv_len + RATTRIB_GET_MCTRL_LEN(pattrib) + LLC_HEADER_SIZE, 2);
eth_type = ntohs((unsigned short) eth_type);
if ((bDumpRxPkt == 4) && (eth_type == 0x888e))
dump_rx_packet(ptr);
}
#endif
} else
DBG_COUNTER(adapter->rx_logs.core_rx_pre_data_handled);
break;
default:
DBG_COUNTER(adapter->rx_logs.core_rx_pre_unknown);
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" fail! type=0x%x\n"
, FUNC_ADPT_ARG(adapter), type);
#endif
retval = _FAIL;
break;
}
exit:
return retval;
}
/* remove the wlanhdr and add the eth_hdr */
#if 1
sint wlanhdr_to_ethhdr(union recv_frame *precvframe)
{
sint rmv_len;
u16 eth_type, len;
u8 bsnaphdr;
u8 *psnap_type;
struct ieee80211_snap_hdr *psnap;
sint ret = _SUCCESS;
_adapter *adapter = precvframe->u.hdr.adapter;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
u8 *ptr = get_recvframe_data(precvframe) ; /* point to frame_ctrl field */
struct rx_pkt_attrib *pattrib = &precvframe->u.hdr.attrib;
if (pattrib->encrypt)
recvframe_pull_tail(precvframe, pattrib->icv_len);
psnap = (struct ieee80211_snap_hdr *)(ptr + pattrib->hdrlen + pattrib->iv_len + RATTRIB_GET_MCTRL_LEN(pattrib));
psnap_type = ptr + pattrib->hdrlen + pattrib->iv_len + RATTRIB_GET_MCTRL_LEN(pattrib) + SNAP_SIZE;
/* convert hdr + possible LLC headers into Ethernet header */
/* eth_type = (psnap_type[0] << 8) | psnap_type[1]; */
if ((_rtw_memcmp(psnap, rtw_rfc1042_header, SNAP_SIZE) &&
(_rtw_memcmp(psnap_type, SNAP_ETH_TYPE_IPX, 2) == _FALSE) &&
(_rtw_memcmp(psnap_type, SNAP_ETH_TYPE_APPLETALK_AARP, 2) == _FALSE)) ||
/* eth_type != ETH_P_AARP && eth_type != ETH_P_IPX) || */
_rtw_memcmp(psnap, rtw_bridge_tunnel_header, SNAP_SIZE)) {
/* remove RFC1042 or Bridge-Tunnel encapsulation and replace EtherType */
bsnaphdr = _TRUE;
} else {
/* Leave Ethernet header part of hdr and full payload */
bsnaphdr = _FALSE;
}
rmv_len = pattrib->hdrlen + pattrib->iv_len + RATTRIB_GET_MCTRL_LEN(pattrib) + (bsnaphdr ? SNAP_SIZE : 0);
len = precvframe->u.hdr.len - rmv_len;
_rtw_memcpy(&eth_type, ptr + rmv_len, 2);
eth_type = ntohs((unsigned short)eth_type); /* pattrib->ether_type */
pattrib->eth_type = eth_type;
if ((check_fwstate(pmlmepriv, WIFI_MP_STATE) == _TRUE)) {
ptr += rmv_len ;
*ptr = 0x87;
*(ptr + 1) = 0x12;
eth_type = 0x8712;
/* append rx status for mp test packets */
ptr = recvframe_pull(precvframe, (rmv_len - sizeof(struct ethhdr) + 2) - 24);
if (!ptr) {
ret = _FAIL;
goto exiting;
}
_rtw_memcpy(ptr, get_rxmem(precvframe), 24);
ptr += 24;
} else {
ptr = recvframe_pull(precvframe, (rmv_len - sizeof(struct ethhdr) + (bsnaphdr ? 2 : 0)));
if (!ptr) {
ret = _FAIL;
goto exiting;
}
}
if (ptr) {
_rtw_memcpy(ptr, pattrib->dst, ETH_ALEN);
_rtw_memcpy(ptr + ETH_ALEN, pattrib->src, ETH_ALEN);
if (!bsnaphdr) {
len = htons(len);
_rtw_memcpy(ptr + 12, &len, 2);
}
rtw_rframe_set_os_pkt(precvframe);
}
exiting:
return ret;
}
#else
sint wlanhdr_to_ethhdr(union recv_frame *precvframe)
{
sint rmv_len;
u16 eth_type;
u8 bsnaphdr;
u8 *psnap_type;
struct ieee80211_snap_hdr *psnap;
sint ret = _SUCCESS;
_adapter *adapter = precvframe->u.hdr.adapter;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
u8 *ptr = get_recvframe_data(precvframe) ; /* point to frame_ctrl field */
struct rx_pkt_attrib *pattrib = &precvframe->u.hdr.attrib;
struct _vlan *pvlan = NULL;
psnap = (struct ieee80211_snap_hdr *)(ptr + pattrib->hdrlen + pattrib->iv_len);
psnap_type = ptr + pattrib->hdrlen + pattrib->iv_len + SNAP_SIZE;
if (psnap->dsap == 0xaa && psnap->ssap == 0xaa && psnap->ctrl == 0x03) {
if (_rtw_memcmp(psnap->oui, oui_rfc1042, WLAN_IEEE_OUI_LEN))
bsnaphdr = _TRUE; /* wlan_pkt_format = WLAN_PKT_FORMAT_SNAP_RFC1042; */
else if (_rtw_memcmp(psnap->oui, SNAP_HDR_APPLETALK_DDP, WLAN_IEEE_OUI_LEN) &&
_rtw_memcmp(psnap_type, SNAP_ETH_TYPE_APPLETALK_DDP, 2))
bsnaphdr = _TRUE; /* wlan_pkt_format = WLAN_PKT_FORMAT_APPLETALK; */
else if (_rtw_memcmp(psnap->oui, oui_8021h, WLAN_IEEE_OUI_LEN))
bsnaphdr = _TRUE; /* wlan_pkt_format = WLAN_PKT_FORMAT_SNAP_TUNNEL; */
else {
ret = _FAIL;
goto exit;
}
} else
bsnaphdr = _FALSE; /* wlan_pkt_format = WLAN_PKT_FORMAT_OTHERS; */
rmv_len = pattrib->hdrlen + pattrib->iv_len + (bsnaphdr ? SNAP_SIZE : 0);
if (check_fwstate(pmlmepriv, WIFI_MP_STATE) == _TRUE) {
ptr += rmv_len ;
*ptr = 0x87;
*(ptr + 1) = 0x12;
/* back to original pointer */
ptr -= rmv_len;
}
ptr += rmv_len ;
_rtw_memcpy(&eth_type, ptr, 2);
eth_type = ntohs((unsigned short)eth_type); /* pattrib->ether_type */
ptr += 2;
if (pattrib->encrypt)
recvframe_pull_tail(precvframe, pattrib->icv_len);
if (eth_type == 0x8100) { /* vlan */
pvlan = (struct _vlan *) ptr;
/* eth_type = get_vlan_encap_proto(pvlan); */
/* eth_type = pvlan->h_vlan_encapsulated_proto; */ /* ? */
rmv_len += 4;
ptr += 4;
}
if (eth_type == 0x0800) { /* ip */
/* struct iphdr* piphdr = (struct iphdr*) ptr; */
/* __u8 tos = (unsigned char)(pattrib->priority & 0xff); */
/* piphdr->tos = tos; */
} else if (eth_type == 0x8712) { /* append rx status for mp test packets */
/* ptr -= 16; */
/* _rtw_memcpy(ptr, get_rxmem(precvframe), 16); */
} else {
#ifdef PLATFORM_OS_XP
NDIS_PACKET_8021Q_INFO VlanPriInfo;
UINT32 UserPriority = precvframe->u.hdr.attrib.priority;
UINT32 VlanID = (pvlan != NULL ? get_vlan_id(pvlan) : 0);
VlanPriInfo.Value = /* Get current value. */
NDIS_PER_PACKET_INFO_FROM_PACKET(precvframe->u.hdr.pkt, Ieee8021QInfo);
VlanPriInfo.TagHeader.UserPriority = UserPriority;
VlanPriInfo.TagHeader.VlanId = VlanID ;
VlanPriInfo.TagHeader.CanonicalFormatId = 0; /* Should be zero. */
VlanPriInfo.TagHeader.Reserved = 0; /* Should be zero. */
NDIS_PER_PACKET_INFO_FROM_PACKET(precvframe->u.hdr.pkt, Ieee8021QInfo) = VlanPriInfo.Value;
#endif
}
if (eth_type == 0x8712) { /* append rx status for mp test packets */
ptr = recvframe_pull(precvframe, (rmv_len - sizeof(struct ethhdr) + 2) - 24);
_rtw_memcpy(ptr, get_rxmem(precvframe), 24);
ptr += 24;
} else
ptr = recvframe_pull(precvframe, (rmv_len - sizeof(struct ethhdr) + 2));
_rtw_memcpy(ptr, pattrib->dst, ETH_ALEN);
_rtw_memcpy(ptr + ETH_ALEN, pattrib->src, ETH_ALEN);
eth_type = htons((unsigned short)eth_type) ;
_rtw_memcpy(ptr + 12, &eth_type, 2);
exit:
return ret;
}
#endif
#if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
#ifdef PLATFORM_LINUX
static void recvframe_expand_pkt(
PADAPTER padapter,
union recv_frame *prframe)
{
struct recv_frame_hdr *pfhdr;
_pkt *ppkt;
u8 shift_sz;
u32 alloc_sz;
u8 *ptr;
pfhdr = &prframe->u.hdr;
/* 6 is for IP header 8 bytes alignment in QoS packet case. */
if (pfhdr->attrib.qos)
shift_sz = 6;
else
shift_sz = 0;
/* for first fragment packet, need to allocate */
/* (1536 + RXDESC_SIZE + drvinfo_sz) to reassemble packet */
/* 8 is for skb->data 8 bytes alignment.
* alloc_sz = _RND(1536 + RXDESC_SIZE + pfhdr->attrib.drvinfosize + shift_sz + 8, 128); */
alloc_sz = 1664; /* round (1536 + 24 + 32 + shift_sz + 8) to 128 bytes alignment */
/* 3 1. alloc new skb */
/* prepare extra space for 4 bytes alignment */
ppkt = rtw_skb_alloc(alloc_sz);
if (!ppkt)
return; /* no way to expand */
/* 3 2. Prepare new skb to replace & release old skb */
/* force ppkt->data at 8-byte alignment address */
skb_reserve(ppkt, 8 - ((SIZE_PTR)ppkt->data & 7));
/* force ip_hdr at 8-byte alignment address according to shift_sz */
skb_reserve(ppkt, shift_sz);
/* copy data to new pkt */
ptr = skb_put(ppkt, pfhdr->len);
if (ptr)
_rtw_memcpy(ptr, pfhdr->rx_data, pfhdr->len);
rtw_skb_free(pfhdr->pkt);
/* attach new pkt to recvframe */
pfhdr->pkt = ppkt;
pfhdr->rx_head = ppkt->head;
pfhdr->rx_data = ppkt->data;
pfhdr->rx_tail = skb_tail_pointer(ppkt);
pfhdr->rx_end = skb_end_pointer(ppkt);
}
#else
#warning "recvframe_expand_pkt not implement, defrag may crash system"
#endif
#endif
/* perform defrag */
union recv_frame *recvframe_defrag(_adapter *adapter, _queue *defrag_q);
union recv_frame *recvframe_defrag(_adapter *adapter, _queue *defrag_q)
{
_list *plist, *phead;
u8 *data, wlanhdr_offset;
u8 curfragnum;
struct recv_frame_hdr *pfhdr, *pnfhdr;
union recv_frame *prframe, *pnextrframe;
_queue *pfree_recv_queue;
curfragnum = 0;
pfree_recv_queue = &adapter->recvpriv.free_recv_queue;
phead = get_list_head(defrag_q);
plist = get_next(phead);
prframe = LIST_CONTAINOR(plist, union recv_frame, u);
pfhdr = &prframe->u.hdr;
if (!pfhdr) {
pr_err("pfhdr NULL in %s\n", __func__);
return NULL;
}
rtw_list_delete(&(prframe->u.list));
if (curfragnum != pfhdr->attrib.frag_num) {
/* the first fragment number must be 0 */
/* free the whole queue */
rtw_free_recvframe(prframe, pfree_recv_queue);
rtw_free_recvframe_queue(defrag_q, pfree_recv_queue);
return NULL;
}
#if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
#ifndef CONFIG_SDIO_RX_COPY
recvframe_expand_pkt(adapter, prframe);
#endif
#endif
curfragnum++;
plist = get_list_head(defrag_q);
plist = get_next(plist);
data = get_recvframe_data(prframe);
while (rtw_end_of_queue_search(phead, plist) == _FALSE) {
pnextrframe = LIST_CONTAINOR(plist, union recv_frame , u);
pnfhdr = &pnextrframe->u.hdr;
/* check the fragment sequence (2nd ~n fragment frame) */
if (curfragnum != pnfhdr->attrib.frag_num) {
/* the fragment number must be increasing (after decache) */
/* release the defrag_q & prframe */
rtw_free_recvframe(prframe, pfree_recv_queue);
rtw_free_recvframe_queue(defrag_q, pfree_recv_queue);
return NULL;
}
curfragnum++;
/* copy the 2nd~n fragment frame's payload to the first fragment */
/* get the 2nd~last fragment frame's payload */
wlanhdr_offset = pnfhdr->attrib.hdrlen + pnfhdr->attrib.iv_len;
recvframe_pull(pnextrframe, wlanhdr_offset);
/* append to first fragment frame's tail (if privacy frame, pull the ICV) */
recvframe_pull_tail(prframe, pfhdr->attrib.icv_len);
/* memcpy */
_rtw_memcpy(pfhdr->rx_tail, pnfhdr->rx_data, pnfhdr->len);
recvframe_put(prframe, pnfhdr->len);
pfhdr->attrib.icv_len = pnfhdr->attrib.icv_len;
plist = get_next(plist);
};
/* free the defrag_q queue and return the prframe */
rtw_free_recvframe_queue(defrag_q, pfree_recv_queue);
return prframe;
}
/* check if need to defrag, if needed queue the frame to defrag_q */
union recv_frame *recvframe_chk_defrag(PADAPTER padapter, union recv_frame *precv_frame)
{
u8 ismfrag;
u8 fragnum;
u8 *psta_addr;
struct recv_frame_hdr *pfhdr;
struct sta_info *psta;
struct sta_priv *pstapriv;
_list *phead;
union recv_frame *prtnframe = NULL;
_queue *pfree_recv_queue, *pdefrag_q = NULL;
pstapriv = &padapter->stapriv;
pfhdr = &precv_frame->u.hdr;
pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
/* need to define struct of wlan header frame ctrl */
ismfrag = pfhdr->attrib.mfrag;
fragnum = pfhdr->attrib.frag_num;
psta_addr = pfhdr->attrib.ta;
psta = rtw_get_stainfo(pstapriv, psta_addr);
if (psta == NULL) {
u8 type = GetFrameType(pfhdr->rx_data);
if (type != WIFI_DATA_TYPE) {
psta = rtw_get_bcmc_stainfo(padapter);
if (psta)
pdefrag_q = &psta->sta_recvpriv.defrag_q;
} else
pdefrag_q = NULL;
} else
pdefrag_q = &psta->sta_recvpriv.defrag_q;
if ((ismfrag == 0) && (fragnum == 0)) {
prtnframe = precv_frame;/* isn't a fragment frame */
}
if (ismfrag == 1) {
/* 0~(n-1) fragment frame */
/* enqueue to defraf_g */
if (pdefrag_q != NULL) {
if (fragnum == 0) {
/* the first fragment */
if (_rtw_queue_empty(pdefrag_q) == _FALSE) {
/* free current defrag_q */
rtw_free_recvframe_queue(pdefrag_q, pfree_recv_queue);
}
}
/* Then enqueue the 0~(n-1) fragment into the defrag_q */
/* _rtw_spinlock(&pdefrag_q->lock); */
phead = get_list_head(pdefrag_q);
rtw_list_insert_tail(&pfhdr->list, phead);
/* _rtw_spinunlock(&pdefrag_q->lock); */
prtnframe = NULL;
} else {
/* can't find this ta's defrag_queue, so free this recv_frame */
rtw_free_recvframe(precv_frame, pfree_recv_queue);
prtnframe = NULL;
}
}
if ((ismfrag == 0) && (fragnum != 0)) {
/* the last fragment frame */
/* enqueue the last fragment */
if (pdefrag_q != NULL) {
/* _rtw_spinlock(&pdefrag_q->lock); */
phead = get_list_head(pdefrag_q);
rtw_list_insert_tail(&pfhdr->list, phead);
/* _rtw_spinunlock(&pdefrag_q->lock); */
/* call recvframe_defrag to defrag */
precv_frame = recvframe_defrag(padapter, pdefrag_q);
prtnframe = precv_frame;
} else {
/* can't find this ta's defrag_queue, so free this recv_frame */
rtw_free_recvframe(precv_frame, pfree_recv_queue);
prtnframe = NULL;
}
}
if ((prtnframe != NULL) && (prtnframe->u.hdr.attrib.privacy)) {
/* after defrag we must check tkip mic code */
if (recvframe_chkmic(padapter, prtnframe) == _FAIL) {
rtw_free_recvframe(prtnframe, pfree_recv_queue);
prtnframe = NULL;
}
}
return prtnframe;
}
static int rtw_recv_indicatepkt_check(union recv_frame *rframe, u8 *ehdr_pos, u32 pkt_len)
{
_adapter *adapter = rframe->u.hdr.adapter;
struct recv_priv *recvpriv = &adapter->recvpriv;
struct ethhdr *ehdr = (struct ethhdr *)ehdr_pos;
int ret = _FAIL;
#ifdef CONFIG_WAPI_SUPPORT
if (rtw_wapi_check_for_drop(adapter, rframe, ehdr_pos)) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" rtw_wapi_check_for_drop\n"
, FUNC_ADPT_ARG(adapter));
#endif
goto exit;
}
#endif
if (rframe->u.hdr.psta)
rtw_st_ctl_rx(rframe->u.hdr.psta, ehdr_pos);
if (ntohs(ehdr->h_proto) == 0x888e)
RTW_PRINT("recv eapol packet\n");
if (recvpriv->sink_udpport > 0)
rtw_sink_rtp_seq_dbg(adapter, ehdr_pos);
#ifdef DBG_UDP_PKT_LOSE_11AC
#define PAYLOAD_LEN_LOC_OF_IP_HDR 0x10 /*ethernet payload length location of ip header (DA + SA+eth_type+(version&hdr_len)) */
if (ntohs(ehdr->h_proto) == ETH_P_ARP) {
/* ARP Payload length will be 42bytes or 42+18(tailer)=60bytes*/
if (pkt_len != 42 && pkt_len != 60)
RTW_INFO("Error !!%s,ARP Payload length %u not correct\n" , __func__ , pkt_len);
} else if (ntohs(ehdr->h_proto) == ETH_P_IP) {
if (be16_to_cpu(*((u16 *)(ehdr_pos + PAYLOAD_LEN_LOC_OF_IP_HDR))) != (pkt_len) - ETH_HLEN) {
RTW_INFO("Error !!%s,Payload length not correct\n" , __func__);
RTW_INFO("%s, IP header describe Total length=%u\n" , __func__ , be16_to_cpu(*((u16 *)(ehdr_pos + PAYLOAD_LEN_LOC_OF_IP_HDR))));
RTW_INFO("%s, Pkt real length=%u\n" , __func__ , (pkt_len) - ETH_HLEN);
}
}
#endif
#ifdef CONFIG_AUTO_AP_MODE
if (ntohs(ehdr->h_proto) == 0x8899)
rtw_auto_ap_rx_msg_dump(adapter, rframe, ehdr_pos);
#endif
ret = _SUCCESS;
exit:
return ret;
}
static void recv_free_fwd_resource(_adapter *adapter, struct xmit_frame *fwd_frame, _list *b2u_list)
{
struct xmit_priv *xmitpriv = &adapter->xmitpriv;
if (fwd_frame)
rtw_free_xmitframe(xmitpriv, fwd_frame);
#ifdef CONFIG_RTW_MESH
#if CONFIG_RTW_MESH_DATA_BMC_TO_UC
if (!rtw_is_list_empty(b2u_list)) {
struct xmit_frame *b2uframe;
_list *list;
list = get_next(b2u_list);
while (rtw_end_of_queue_search(b2u_list, list) == _FALSE) {
b2uframe = LIST_CONTAINOR(list, struct xmit_frame, list);
list = get_next(list);
rtw_list_delete(&b2uframe->list);
rtw_free_xmitframe(xmitpriv, b2uframe);
}
}
#endif
#endif /* CONFIG_RTW_MESH */
}
static void recv_fwd_pkt_hdl(_adapter *adapter, _pkt *pkt
, u8 act, struct xmit_frame *fwd_frame, _list *b2u_list)
{
struct xmit_priv *xmitpriv = &adapter->xmitpriv;
_pkt *fwd_pkt = pkt;
if (act & RTW_RX_MSDU_ACT_INDICATE) {
fwd_pkt = rtw_os_pkt_copy(pkt);
if (!fwd_pkt) {
#ifdef DBG_TX_DROP_FRAME
RTW_INFO("DBG_TX_DROP_FRAME %s rtw_os_pkt_copy fail\n", __func__);
#endif
recv_free_fwd_resource(adapter, fwd_frame, b2u_list);
goto exit;
}
}
#ifdef CONFIG_RTW_MESH
#if CONFIG_RTW_MESH_DATA_BMC_TO_UC
if (!rtw_is_list_empty(b2u_list)) {
_list *list = get_next(b2u_list);
struct xmit_frame *b2uframe;
while (rtw_end_of_queue_search(b2u_list, list) == _FALSE) {
b2uframe = LIST_CONTAINOR(list, struct xmit_frame, list);
list = get_next(list);
rtw_list_delete(&b2uframe->list);
if (!fwd_frame && rtw_is_list_empty(b2u_list)) /* the last fwd_pkt */
b2uframe->pkt = fwd_pkt;
else
b2uframe->pkt = rtw_os_pkt_copy(fwd_pkt);
if (!b2uframe->pkt) {
rtw_free_xmitframe(xmitpriv, b2uframe);
continue;
}
rtw_xmit_posthandle(adapter, b2uframe, b2uframe->pkt);
}
}
#endif
#endif /* CONFIG_RTW_MESH */
if (fwd_frame) {
fwd_frame->pkt = fwd_pkt;
if (rtw_xmit_posthandle(adapter, fwd_frame, fwd_pkt) < 0) {
#ifdef DBG_TX_DROP_FRAME
RTW_INFO("DBG_TX_DROP_FRAME %s rtw_xmit_posthandle fail\n", __func__);
#endif
xmitpriv->tx_drop++;
}
}
exit:
return;
}
int amsdu_to_msdu(_adapter *padapter, union recv_frame *prframe)
{
struct rx_pkt_attrib *rattrib = &prframe->u.hdr.attrib;
int a_len, padding_len;
u16 nSubframe_Length;
u8 nr_subframes, i;
u8 *pdata;
_pkt *sub_pkt, *subframes[MAX_SUBFRAME_COUNT];
struct recv_priv *precvpriv = &padapter->recvpriv;
_queue *pfree_recv_queue = &(precvpriv->free_recv_queue);
const u8 *da, *sa;
int act;
struct xmit_frame *fwd_frame;
_list b2u_list;
u8 mctrl_len = 0;
int ret = _SUCCESS;
nr_subframes = 0;
recvframe_pull(prframe, rattrib->hdrlen);
if (rattrib->iv_len > 0)
recvframe_pull(prframe, rattrib->iv_len);
a_len = prframe->u.hdr.len;
pdata = prframe->u.hdr.rx_data;
while (a_len > ETH_HLEN) {
/* Offset 12 denote 2 mac address */
nSubframe_Length = RTW_GET_BE16(pdata + 12);
if (a_len < (ETHERNET_HEADER_SIZE + nSubframe_Length)) {
RTW_INFO("nRemain_Length is %d and nSubframe_Length is : %d\n", a_len, nSubframe_Length);
break;
}
act = RTW_RX_MSDU_ACT_INDICATE;
fwd_frame = NULL;
#ifdef CONFIG_RTW_MESH
if (MLME_IS_MESH(padapter)) {
u8 *mda = pdata, *msa = pdata + ETH_ALEN;
struct rtw_ieee80211s_hdr *mctrl = (struct rtw_ieee80211s_hdr *)(pdata + ETH_HLEN);
int v_ret;
v_ret = rtw_mesh_rx_data_validate_mctrl(padapter, prframe
, mctrl, mda, msa, &mctrl_len, &da, &sa);
if (v_ret != _SUCCESS)
goto move_to_next;
act = rtw_mesh_rx_msdu_act_check(prframe
, mda, msa, da, sa, mctrl, &fwd_frame, &b2u_list);
} else
#endif
{
da = pdata;
sa = pdata + ETH_ALEN;
}
if (!act)
goto move_to_next;
rtw_led_rx_control(padapter, da);
sub_pkt = rtw_os_alloc_msdu_pkt(prframe, da, sa
, pdata + ETH_HLEN + mctrl_len, nSubframe_Length - mctrl_len);
if (sub_pkt == NULL) {
if (act & RTW_RX_MSDU_ACT_INDICATE) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME %s rtw_os_alloc_msdu_pkt fail\n", __func__);
#endif
}
if (act & RTW_RX_MSDU_ACT_FORWARD) {
#ifdef DBG_TX_DROP_FRAME
RTW_INFO("DBG_TX_DROP_FRAME %s rtw_os_alloc_msdu_pkt fail\n", __func__);
#endif
recv_free_fwd_resource(padapter, fwd_frame, &b2u_list);
}
break;
}
#ifdef CONFIG_RTW_MESH
if (act & RTW_RX_MSDU_ACT_FORWARD) {
recv_fwd_pkt_hdl(padapter, sub_pkt, act, fwd_frame, &b2u_list);
if (!(act & RTW_RX_MSDU_ACT_INDICATE))
goto move_to_next;
}
#endif
if (rtw_recv_indicatepkt_check(prframe, rtw_os_pkt_data(sub_pkt), rtw_os_pkt_len(sub_pkt)) == _SUCCESS)
subframes[nr_subframes++] = sub_pkt;
else
rtw_os_pkt_free(sub_pkt);
move_to_next:
/* move the data point to data content */
pdata += ETH_HLEN;
a_len -= ETH_HLEN;
if (nr_subframes >= MAX_SUBFRAME_COUNT) {
RTW_WARN("ParseSubframe(): Too many Subframes! Packets dropped!\n");
break;
}
pdata += nSubframe_Length;
a_len -= nSubframe_Length;
if (a_len != 0) {
padding_len = 4 - ((nSubframe_Length + ETH_HLEN) & (4 - 1));
if (padding_len == 4)
padding_len = 0;
if (a_len < padding_len) {
RTW_INFO("ParseSubframe(): a_len < padding_len !\n");
break;
}
pdata += padding_len;
a_len -= padding_len;
}
}
for (i = 0; i < nr_subframes; i++) {
sub_pkt = subframes[i];
/* Indicat the packets to upper layer */
if (sub_pkt)
rtw_os_recv_indicate_pkt(padapter, sub_pkt, prframe);
}
prframe->u.hdr.len = 0;
rtw_free_recvframe(prframe, pfree_recv_queue);/* free this recv_frame */
return ret;
}
static int recv_process_mpdu(_adapter *padapter, union recv_frame *prframe)
{
struct recv_priv *precvpriv = &padapter->recvpriv;
_queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
int ret;
if (pattrib->amsdu) {
ret = amsdu_to_msdu(padapter, prframe);
if (ret != _SUCCESS) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" amsdu_to_msdu fail\n"
, FUNC_ADPT_ARG(padapter));
#endif
rtw_free_recvframe(prframe, pfree_recv_queue);
goto exit;
}
} else {
int act = RTW_RX_MSDU_ACT_INDICATE;
struct xmit_frame *fwd_frame = NULL;
_list b2u_list;
#ifdef CONFIG_RTW_MESH
if (MLME_IS_MESH(padapter) && pattrib->mesh_ctrl_present) {
act = rtw_mesh_rx_msdu_act_check(prframe
, pattrib->mda, pattrib->msa
, pattrib->dst, pattrib->src
, (struct rtw_ieee80211s_hdr *)(get_recvframe_data(prframe) + pattrib->hdrlen + pattrib->iv_len)
, &fwd_frame, &b2u_list);
}
#endif
if (!act) {
rtw_free_recvframe(prframe, pfree_recv_queue);
ret = _FAIL;
goto exit;
}
rtw_led_rx_control(padapter, pattrib->dst);
ret = wlanhdr_to_ethhdr(prframe);
if (ret != _SUCCESS) {
if (act & RTW_RX_MSDU_ACT_INDICATE) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" wlanhdr_to_ethhdr: drop pkt\n"
, FUNC_ADPT_ARG(padapter));
#endif
}
if (act & RTW_RX_MSDU_ACT_FORWARD) {
#ifdef DBG_TX_DROP_FRAME
RTW_INFO("DBG_TX_DROP_FRAME %s wlanhdr_to_ethhdr fail\n", __func__);
#endif
recv_free_fwd_resource(padapter, fwd_frame, &b2u_list);
}
rtw_free_recvframe(prframe, pfree_recv_queue);
goto exit;
}
#ifdef CONFIG_RTW_MESH
if (act & RTW_RX_MSDU_ACT_FORWARD) {
recv_fwd_pkt_hdl(padapter, prframe->u.hdr.pkt, act, fwd_frame, &b2u_list);
if (!(act & RTW_RX_MSDU_ACT_INDICATE)) {
prframe->u.hdr.pkt = NULL;
rtw_free_recvframe(prframe, pfree_recv_queue);
goto exit;
}
}
#endif
if (!RTW_CANNOT_RUN(padapter)) {
ret = rtw_recv_indicatepkt_check(prframe
, get_recvframe_data(prframe), get_recvframe_len(prframe));
if (ret != _SUCCESS) {
rtw_free_recvframe(prframe, pfree_recv_queue);
goto exit;
}
/* indicate this recv_frame */
ret = rtw_recv_indicatepkt(padapter, prframe);
if (ret != _SUCCESS) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" rtw_recv_indicatepkt fail!\n"
, FUNC_ADPT_ARG(padapter));
#endif
goto exit;
}
} else {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" DS:%u SR:%u\n"
, FUNC_ADPT_ARG(padapter)
, rtw_is_drv_stopped(padapter)
, rtw_is_surprise_removed(padapter));
#endif
ret = _SUCCESS; /* don't count as packet drop */
rtw_free_recvframe(prframe, pfree_recv_queue);
}
}
exit:
return ret;
}
#if defined(CONFIG_80211N_HT) && defined(CONFIG_RECV_REORDERING_CTRL)
static int check_indicate_seq(struct recv_reorder_ctrl *preorder_ctrl, u16 seq_num)
{
PADAPTER padapter = preorder_ctrl->padapter;
struct recv_priv *precvpriv = &padapter->recvpriv;
u8 wsize = preorder_ctrl->wsize_b;
u16 wend = (preorder_ctrl->indicate_seq + wsize - 1) & 0xFFF; /* % 4096; */
/* Rx Reorder initialize condition. */
if (preorder_ctrl->indicate_seq == 0xFFFF) {
preorder_ctrl->indicate_seq = seq_num;
#ifdef DBG_RX_SEQ
RTW_INFO("DBG_RX_SEQ "FUNC_ADPT_FMT" tid:%u SN_INIT indicate_seq:%d, seq_num:%d\n"
, FUNC_ADPT_ARG(padapter), preorder_ctrl->tid, preorder_ctrl->indicate_seq, seq_num);
#endif
}
/* Drop out the packet which SeqNum is smaller than WinStart */
if (SN_LESS(seq_num, preorder_ctrl->indicate_seq)) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO(FUNC_ADPT_FMT" tid:%u indicate_seq:%d > seq_num:%d\n"
, FUNC_ADPT_ARG(padapter), preorder_ctrl->tid, preorder_ctrl->indicate_seq, seq_num);
#endif
return _FALSE;
}
/*
* Sliding window manipulation. Conditions includes:
* 1. Incoming SeqNum is equal to WinStart =>Window shift 1
* 2. Incoming SeqNum is larger than the WinEnd => Window shift N
*/
if (SN_EQUAL(seq_num, preorder_ctrl->indicate_seq)) {
preorder_ctrl->indicate_seq = (preorder_ctrl->indicate_seq + 1) & 0xFFF;
#ifdef DBG_RX_SEQ
RTW_INFO("DBG_RX_SEQ "FUNC_ADPT_FMT" tid:%u SN_EQUAL indicate_seq:%d, seq_num:%d\n"
, FUNC_ADPT_ARG(padapter), preorder_ctrl->tid, preorder_ctrl->indicate_seq, seq_num);
#endif
} else if (SN_LESS(wend, seq_num)) {
/* boundary situation, when seq_num cross 0xFFF */
if (seq_num >= (wsize - 1))
preorder_ctrl->indicate_seq = seq_num + 1 - wsize;
else
preorder_ctrl->indicate_seq = 0xFFF - (wsize - (seq_num + 1)) + 1;
precvpriv->dbg_rx_ampdu_window_shift_cnt++;
#ifdef DBG_RX_SEQ
RTW_INFO("DBG_RX_SEQ "FUNC_ADPT_FMT" tid:%u SN_LESS(wend, seq_num) indicate_seq:%d, seq_num:%d\n"
, FUNC_ADPT_ARG(padapter), preorder_ctrl->tid, preorder_ctrl->indicate_seq, seq_num);
#endif
}
return _TRUE;
}
static int enqueue_reorder_recvframe(struct recv_reorder_ctrl *preorder_ctrl, union recv_frame *prframe)
{
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
_queue *ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;
_list *phead, *plist;
union recv_frame *pnextrframe;
struct rx_pkt_attrib *pnextattrib;
/* DbgPrint("+enqueue_reorder_recvframe()\n"); */
/* _enter_critical_ex(&ppending_recvframe_queue->lock, &irql); */
/* _rtw_spinlock_ex(&ppending_recvframe_queue->lock); */
phead = get_list_head(ppending_recvframe_queue);
plist = get_next(phead);
while (rtw_end_of_queue_search(phead, plist) == _FALSE) {
pnextrframe = LIST_CONTAINOR(plist, union recv_frame, u);
pnextattrib = &pnextrframe->u.hdr.attrib;
if (SN_LESS(pnextattrib->seq_num, pattrib->seq_num))
plist = get_next(plist);
else if (SN_EQUAL(pnextattrib->seq_num, pattrib->seq_num)) {
/* Duplicate entry is found!! Do not insert current entry. */
/* _exit_critical_ex(&ppending_recvframe_queue->lock, &irql); */
return _FALSE;
} else
break;
/* DbgPrint("enqueue_reorder_recvframe():while\n"); */
}
/* _enter_critical_ex(&ppending_recvframe_queue->lock, &irql); */
/* _rtw_spinlock_ex(&ppending_recvframe_queue->lock); */
rtw_list_delete(&(prframe->u.hdr.list));
rtw_list_insert_tail(&(prframe->u.hdr.list), plist);
/* _rtw_spinunlock_ex(&ppending_recvframe_queue->lock); */
/* _exit_critical_ex(&ppending_recvframe_queue->lock, &irql); */
return _TRUE;
}
static void recv_indicatepkts_pkt_loss_cnt(_adapter *padapter, u64 prev_seq, u64 current_seq)
{
struct recv_priv *precvpriv = &padapter->recvpriv;
if (current_seq < prev_seq) {
precvpriv->dbg_rx_ampdu_loss_count += (4096 + current_seq - prev_seq);
precvpriv->rx_drop += (4096 + current_seq - prev_seq);
} else {
precvpriv->dbg_rx_ampdu_loss_count += (current_seq - prev_seq);
precvpriv->rx_drop += (current_seq - prev_seq);
}
}
static int recv_indicatepkts_in_order(_adapter *padapter, struct recv_reorder_ctrl *preorder_ctrl, int bforced)
{
/* _irqL irql; */
_list *phead, *plist;
union recv_frame *prframe;
struct rx_pkt_attrib *pattrib;
/* u8 index = 0; */
int bPktInBuf = _FALSE;
struct recv_priv *precvpriv = &padapter->recvpriv;
_queue *ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;
DBG_COUNTER(padapter->rx_logs.core_rx_post_indicate_in_oder);
/* DbgPrint("+recv_indicatepkts_in_order\n"); */
/* _enter_critical_ex(&ppending_recvframe_queue->lock, &irql); */
/* _rtw_spinlock_ex(&ppending_recvframe_queue->lock); */
phead = get_list_head(ppending_recvframe_queue);
plist = get_next(phead);
#if 0
/* Check if there is any other indication thread running. */
if (pTS->RxIndicateState == RXTS_INDICATE_PROCESSING)
return;
#endif
/* Handling some condition for forced indicate case. */
if (bforced == _TRUE) {
precvpriv->dbg_rx_ampdu_forced_indicate_count++;
if (rtw_is_list_empty(phead)) {
/* _exit_critical_ex(&ppending_recvframe_queue->lock, &irql); */
/* _rtw_spinunlock_ex(&ppending_recvframe_queue->lock); */
return _TRUE;
}
prframe = LIST_CONTAINOR(plist, union recv_frame, u);
pattrib = &prframe->u.hdr.attrib;
#ifdef DBG_RX_SEQ
RTW_INFO("DBG_RX_SEQ "FUNC_ADPT_FMT" tid:%u FORCE indicate_seq:%d, seq_num:%d\n"
, FUNC_ADPT_ARG(padapter), preorder_ctrl->tid, preorder_ctrl->indicate_seq, pattrib->seq_num);
#endif
recv_indicatepkts_pkt_loss_cnt(padapter, preorder_ctrl->indicate_seq, pattrib->seq_num);
preorder_ctrl->indicate_seq = pattrib->seq_num;
}
/* Prepare indication list and indication. */
/* Check if there is any packet need indicate. */
while (!rtw_is_list_empty(phead)) {
prframe = LIST_CONTAINOR(plist, union recv_frame, u);
pattrib = &prframe->u.hdr.attrib;
if (!SN_LESS(preorder_ctrl->indicate_seq, pattrib->seq_num)) {
#if 0
/* This protect buffer from overflow. */
if (index >= REORDER_WIN_SIZE) {
RT_ASSERT(FALSE, ("IndicateRxReorderList(): Buffer overflow!!\n"));
bPktInBuf = TRUE;
break;
}
#endif
plist = get_next(plist);
rtw_list_delete(&(prframe->u.hdr.list));
if (SN_EQUAL(preorder_ctrl->indicate_seq, pattrib->seq_num)) {
preorder_ctrl->indicate_seq = (preorder_ctrl->indicate_seq + 1) & 0xFFF;
#ifdef DBG_RX_SEQ
RTW_INFO("DBG_RX_SEQ "FUNC_ADPT_FMT" tid:%u SN_EQUAL indicate_seq:%d, seq_num:%d\n"
, FUNC_ADPT_ARG(padapter), preorder_ctrl->tid, preorder_ctrl->indicate_seq, pattrib->seq_num);
#endif
}
#if 0
index++;
if (index == 1) {
/* Cancel previous pending timer. */
/* PlatformCancelTimer(Adapter, &pTS->RxPktPendingTimer); */
if (bforced != _TRUE) {
/* RTW_INFO("_cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);\n"); */
_cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);
}
}
#endif
/* Set this as a lock to make sure that only one thread is indicating packet. */
/* pTS->RxIndicateState = RXTS_INDICATE_PROCESSING; */
/* Indicate packets */
/* RT_ASSERT((index<=REORDER_WIN_SIZE), ("RxReorderIndicatePacket(): Rx Reorder buffer full!!\n")); */
/* indicate this recv_frame */
/* DbgPrint("recv_indicatepkts_in_order, indicate_seq=%d, seq_num=%d\n", precvpriv->indicate_seq, pattrib->seq_num); */
if (recv_process_mpdu(padapter, prframe) != _SUCCESS)
precvpriv->dbg_rx_drop_count++;
/* Update local variables. */
bPktInBuf = _FALSE;
} else {
bPktInBuf = _TRUE;
break;
}
/* DbgPrint("recv_indicatepkts_in_order():while\n"); */
}
/* _rtw_spinunlock_ex(&ppending_recvframe_queue->lock); */
/* _exit_critical_ex(&ppending_recvframe_queue->lock, &irql); */
#if 0
/* Release the indication lock and set to new indication step. */
if (bPktInBuf) {
/* Set new pending timer. */
/* pTS->RxIndicateState = RXTS_INDICATE_REORDER; */
/* PlatformSetTimer(Adapter, &pTS->RxPktPendingTimer, pHTInfo->RxReorderPendingTime); */
_set_timer(&preorder_ctrl->reordering_ctrl_timer, REORDER_WAIT_TIME);
} else {
/* pTS->RxIndicateState = RXTS_INDICATE_IDLE; */
}
#endif
/* _exit_critical_ex(&ppending_recvframe_queue->lock, &irql); */
/* return _TRUE; */
return bPktInBuf;
}
static int recv_indicatepkt_reorder(_adapter *padapter, union recv_frame *prframe)
{
_irqL irql;
int retval = _SUCCESS;
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
struct recv_reorder_ctrl *preorder_ctrl = prframe->u.hdr.preorder_ctrl;
_queue *ppending_recvframe_queue = preorder_ctrl ? &preorder_ctrl->pending_recvframe_queue : NULL;
struct recv_priv *precvpriv = &padapter->recvpriv;
if (!pattrib->qos || !preorder_ctrl || preorder_ctrl->enable == _FALSE)
goto _success_exit;
DBG_COUNTER(padapter->rx_logs.core_rx_post_indicate_reoder);
_enter_critical_bh(&ppending_recvframe_queue->lock, &irql);
/* s2. check if winstart_b(indicate_seq) needs to been updated */
if (!check_indicate_seq(preorder_ctrl, pattrib->seq_num)) {
precvpriv->dbg_rx_ampdu_drop_count++;
/* pHTInfo->RxReorderDropCounter++; */
/* ReturnRFDList(Adapter, pRfd); */
/* _exit_critical_ex(&ppending_recvframe_queue->lock, &irql); */
/* return _FAIL; */
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" check_indicate_seq fail\n"
, FUNC_ADPT_ARG(padapter));
#endif
#if 0
rtw_recv_indicatepkt(padapter, prframe);
_exit_critical_bh(&ppending_recvframe_queue->lock, &irql);
goto _success_exit;
#else
goto _err_exit;
#endif
}
/* s3. Insert all packet into Reorder Queue to maintain its ordering. */
if (!enqueue_reorder_recvframe(preorder_ctrl, prframe)) {
/* DbgPrint("recv_indicatepkt_reorder, enqueue_reorder_recvframe fail!\n"); */
/* _exit_critical_ex(&ppending_recvframe_queue->lock, &irql); */
/* return _FAIL; */
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" enqueue_reorder_recvframe fail\n"
, FUNC_ADPT_ARG(padapter));
#endif
goto _err_exit;
}
/* s4. */
/* Indication process. */
/* After Packet dropping and Sliding Window shifting as above, we can now just indicate the packets */
/* with the SeqNum smaller than latest WinStart and buffer other packets. */
/* */
/* For Rx Reorder condition: */
/* 1. All packets with SeqNum smaller than WinStart => Indicate */
/* 2. All packets with SeqNum larger than or equal to WinStart => Buffer it. */
/* */
/* recv_indicatepkts_in_order(padapter, preorder_ctrl, _TRUE); */
if (recv_indicatepkts_in_order(padapter, preorder_ctrl, _FALSE) == _TRUE) {
if (!preorder_ctrl->bReorderWaiting) {
preorder_ctrl->bReorderWaiting = _TRUE;
_set_timer(&preorder_ctrl->reordering_ctrl_timer, REORDER_WAIT_TIME);
}
_exit_critical_bh(&ppending_recvframe_queue->lock, &irql);
} else {
preorder_ctrl->bReorderWaiting = _FALSE;
_exit_critical_bh(&ppending_recvframe_queue->lock, &irql);
_cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);
}
return RTW_RX_HANDLED;
_success_exit:
return _SUCCESS;
_err_exit:
_exit_critical_bh(&ppending_recvframe_queue->lock, &irql);
return _FAIL;
}
void rtw_reordering_ctrl_timeout_handler(void *pcontext)
{
_irqL irql;
struct recv_reorder_ctrl *preorder_ctrl = (struct recv_reorder_ctrl *)pcontext;
_adapter *padapter = preorder_ctrl->padapter;
_queue *ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;
if (RTW_CANNOT_RUN(padapter))
return;
/* RTW_INFO("+rtw_reordering_ctrl_timeout_handler()=>\n"); */
_enter_critical_bh(&ppending_recvframe_queue->lock, &irql);
if (preorder_ctrl)
preorder_ctrl->bReorderWaiting = _FALSE;
if (recv_indicatepkts_in_order(padapter, preorder_ctrl, _TRUE) == _TRUE)
_set_timer(&preorder_ctrl->reordering_ctrl_timer, REORDER_WAIT_TIME);
_exit_critical_bh(&ppending_recvframe_queue->lock, &irql);
}
#endif /* defined(CONFIG_80211N_HT) && defined(CONFIG_RECV_REORDERING_CTRL) */
static void recv_set_iseq_before_mpdu_process(union recv_frame *rframe, u16 seq_num, const char *caller)
{
#if defined(CONFIG_80211N_HT) && defined(CONFIG_RECV_REORDERING_CTRL)
struct recv_reorder_ctrl *reorder_ctrl = rframe->u.hdr.preorder_ctrl;
if (reorder_ctrl) {
reorder_ctrl->indicate_seq = seq_num;
#ifdef DBG_RX_SEQ
RTW_INFO("DBG_RX_SEQ %s("ADPT_FMT")-B tid:%u indicate_seq:%d, seq_num:%d\n"
, caller, ADPT_ARG(reorder_ctrl->padapter)
, reorder_ctrl->tid, reorder_ctrl->indicate_seq, seq_num);
#endif
}
#endif
}
static void recv_set_iseq_after_mpdu_process(union recv_frame *rframe, u16 seq_num, const char *caller)
{
#if defined(CONFIG_80211N_HT) && defined(CONFIG_RECV_REORDERING_CTRL)
struct recv_reorder_ctrl *reorder_ctrl = rframe->u.hdr.preorder_ctrl;
if (reorder_ctrl) {
reorder_ctrl->indicate_seq = (reorder_ctrl->indicate_seq + 1) % 4096;
#ifdef DBG_RX_SEQ
RTW_INFO("DBG_RX_SEQ %s("ADPT_FMT")-A tid:%u indicate_seq:%d, seq_num:%d\n"
, caller, ADPT_ARG(reorder_ctrl->padapter)
, reorder_ctrl->tid, reorder_ctrl->indicate_seq, seq_num);
#endif
}
#endif
}
#ifdef CONFIG_MP_INCLUDED
int validate_mp_recv_frame(_adapter *adapter, union recv_frame *precv_frame)
{
int ret = _SUCCESS;
u8 *ptr = precv_frame->u.hdr.rx_data;
u8 type, subtype;
struct mp_priv *pmppriv = &adapter->mppriv;
struct mp_tx *pmptx;
unsigned char *sa , *da, *bs;
pmptx = &pmppriv->tx;
#if 0
if (1) {
u8 bDumpRxPkt;
type = GetFrameType(ptr);
subtype = get_frame_sub_type(ptr); /* bit(7)~bit(2) */
rtw_hal_get_def_var(adapter, HAL_DEF_DBG_DUMP_RXPKT, &(bDumpRxPkt));
if (bDumpRxPkt == 1) { /* dump all rx packets */
int i;
RTW_INFO("############ type:0x%02x subtype:0x%02x #################\n", type, subtype);
for (i = 0; i < 64; i = i + 8)
RTW_INFO("%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:\n", *(ptr + i),
*(ptr + i + 1), *(ptr + i + 2) , *(ptr + i + 3) , *(ptr + i + 4), *(ptr + i + 5), *(ptr + i + 6), *(ptr + i + 7));
RTW_INFO("#############################\n");
}
}
#endif
if (pmppriv->bloopback) {
if (_rtw_memcmp(ptr + 24, pmptx->buf + 24, precv_frame->u.hdr.len - 24) == _FALSE) {
RTW_INFO("Compare payload content Fail !!!\n");
ret = _FAIL;
}
}
if (pmppriv->bSetRxBssid == _TRUE) {
sa = get_addr2_ptr(ptr);
da = GetAddr1Ptr(ptr);
bs = GetAddr3Ptr(ptr);
type = GetFrameType(ptr);
subtype = get_frame_sub_type(ptr); /* bit(7)~bit(2) */
if (_rtw_memcmp(bs, adapter->mppriv.network_macaddr, ETH_ALEN) == _FALSE)
ret = _FAIL;
RTW_DBG("############ type:0x%02x subtype:0x%02x #################\n", type, subtype);
RTW_DBG("A2 sa %02X:%02X:%02X:%02X:%02X:%02X \n", *(sa) , *(sa + 1), *(sa+ 2), *(sa + 3), *(sa + 4), *(sa + 5));
RTW_DBG("A1 da %02X:%02X:%02X:%02X:%02X:%02X \n", *(da) , *(da + 1), *(da+ 2), *(da + 3), *(da + 4), *(da + 5));
RTW_DBG("A3 bs %02X:%02X:%02X:%02X:%02X:%02X \n --------------------------\n", *(bs) , *(bs + 1), *(bs+ 2), *(bs + 3), *(bs + 4), *(bs + 5));
}
if (!adapter->mppriv.bmac_filter)
return ret;
if (_rtw_memcmp(get_addr2_ptr(ptr), adapter->mppriv.mac_filter, ETH_ALEN) == _FALSE)
ret = _FAIL;
return ret;
}
static sint MPwlanhdr_to_ethhdr(union recv_frame *precvframe)
{
sint rmv_len;
u16 eth_type, len;
u8 bsnaphdr;
u8 *psnap_type;
u8 mcastheadermac[] = {0x01, 0x00, 0x5e};
struct ieee80211_snap_hdr *psnap;
sint ret = _SUCCESS;
_adapter *adapter = precvframe->u.hdr.adapter;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
u8 *ptr = get_recvframe_data(precvframe) ; /* point to frame_ctrl field */
struct rx_pkt_attrib *pattrib = &precvframe->u.hdr.attrib;
if (pattrib->encrypt)
recvframe_pull_tail(precvframe, pattrib->icv_len);
psnap = (struct ieee80211_snap_hdr *)(ptr + pattrib->hdrlen + pattrib->iv_len);
psnap_type = ptr + pattrib->hdrlen + pattrib->iv_len + SNAP_SIZE;
/* convert hdr + possible LLC headers into Ethernet header */
/* eth_type = (psnap_type[0] << 8) | psnap_type[1]; */
if ((_rtw_memcmp(psnap, rtw_rfc1042_header, SNAP_SIZE) &&
(_rtw_memcmp(psnap_type, SNAP_ETH_TYPE_IPX, 2) == _FALSE) &&
(_rtw_memcmp(psnap_type, SNAP_ETH_TYPE_APPLETALK_AARP, 2) == _FALSE)) ||
/* eth_type != ETH_P_AARP && eth_type != ETH_P_IPX) || */
_rtw_memcmp(psnap, rtw_bridge_tunnel_header, SNAP_SIZE)) {
/* remove RFC1042 or Bridge-Tunnel encapsulation and replace EtherType */
bsnaphdr = _TRUE;
} else {
/* Leave Ethernet header part of hdr and full payload */
bsnaphdr = _FALSE;
}
rmv_len = pattrib->hdrlen + pattrib->iv_len + (bsnaphdr ? SNAP_SIZE : 0);
len = precvframe->u.hdr.len - rmv_len;
_rtw_memcpy(&eth_type, ptr + rmv_len, 2);
eth_type = ntohs((unsigned short)eth_type); /* pattrib->ether_type */
pattrib->eth_type = eth_type;
{
ptr = recvframe_pull(precvframe, (rmv_len - sizeof(struct ethhdr) + (bsnaphdr ? 2 : 0)));
}
_rtw_memcpy(ptr, pattrib->dst, ETH_ALEN);
_rtw_memcpy(ptr + ETH_ALEN, pattrib->src, ETH_ALEN);
if (!bsnaphdr) {
len = htons(len);
_rtw_memcpy(ptr + 12, &len, 2);
}
len = htons(pattrib->seq_num);
/* RTW_INFO("wlan seq = %d ,seq_num =%x\n",len,pattrib->seq_num); */
_rtw_memcpy(ptr + 12, &len, 2);
if (adapter->mppriv.bRTWSmbCfg == _TRUE) {
/* if(_rtw_memcmp(mcastheadermac, pattrib->dst, 3) == _TRUE) */ /* SimpleConfig Dest. */
/* _rtw_memcpy(ptr+ETH_ALEN, pattrib->bssid, ETH_ALEN); */
if (_rtw_memcmp(mcastheadermac, pattrib->bssid, 3) == _TRUE) /* SimpleConfig Dest. */
_rtw_memcpy(ptr, pattrib->bssid, ETH_ALEN);
}
return ret;
}
int mp_recv_frame(_adapter *padapter, union recv_frame *rframe)
{
int ret = _SUCCESS;
struct rx_pkt_attrib *pattrib = &rframe->u.hdr.attrib;
struct recv_priv *precvpriv = &padapter->recvpriv;
_queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
#ifdef CONFIG_MP_INCLUDED
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct mp_priv *pmppriv = &padapter->mppriv;
#endif /* CONFIG_MP_INCLUDED */
u8 type;
u8 *ptr = rframe->u.hdr.rx_data;
u8 *psa, *pda, *pbssid;
struct sta_info *psta = NULL;
DBG_COUNTER(padapter->rx_logs.core_rx_pre);
if ((check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE)) { /* &&(padapter->mppriv.check_mp_pkt == 0)) */
if (pattrib->crc_err == 1)
padapter->mppriv.rx_crcerrpktcount++;
else {
if (_SUCCESS == validate_mp_recv_frame(padapter, rframe))
padapter->mppriv.rx_pktcount++;
else
padapter->mppriv.rx_pktcount_filter_out++;
}
if (pmppriv->rx_bindicatePkt == _FALSE) {
ret = _FAIL;
rtw_free_recvframe(rframe, pfree_recv_queue);/* free this recv_frame */
goto exit;
} else {
type = GetFrameType(ptr);
pattrib->to_fr_ds = get_tofr_ds(ptr);
pattrib->frag_num = GetFragNum(ptr);
pattrib->seq_num = GetSequence(ptr);
pattrib->pw_save = GetPwrMgt(ptr);
pattrib->mfrag = GetMFrag(ptr);
pattrib->mdata = GetMData(ptr);
pattrib->privacy = GetPrivacy(ptr);
pattrib->order = GetOrder(ptr);
if (type == WIFI_DATA_TYPE) {
pda = get_da(ptr);
psa = get_sa(ptr);
pbssid = get_hdr_bssid(ptr);
_rtw_memcpy(pattrib->dst, pda, ETH_ALEN);
_rtw_memcpy(pattrib->src, psa, ETH_ALEN);
_rtw_memcpy(pattrib->bssid, pbssid, ETH_ALEN);
switch (pattrib->to_fr_ds) {
case 0:
_rtw_memcpy(pattrib->ra, pda, ETH_ALEN);
_rtw_memcpy(pattrib->ta, psa, ETH_ALEN);
ret = sta2sta_data_frame(padapter, rframe, &psta);
break;
case 1:
_rtw_memcpy(pattrib->ra, pda, ETH_ALEN);
_rtw_memcpy(pattrib->ta, pbssid, ETH_ALEN);
ret = ap2sta_data_frame(padapter, rframe, &psta);
break;
case 2:
_rtw_memcpy(pattrib->ra, pbssid, ETH_ALEN);
_rtw_memcpy(pattrib->ta, psa, ETH_ALEN);
ret = sta2ap_data_frame(padapter, rframe, &psta);
break;
case 3:
_rtw_memcpy(pattrib->ra, GetAddr1Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->ta, get_addr2_ptr(ptr), ETH_ALEN);
ret = _FAIL;
break;
default:
ret = _FAIL;
break;
}
ret = MPwlanhdr_to_ethhdr(rframe);
if (ret != _SUCCESS) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" wlanhdr_to_ethhdr: drop pkt\n"
, FUNC_ADPT_ARG(padapter));
#endif
rtw_free_recvframe(rframe, pfree_recv_queue);/* free this recv_frame */
ret = _FAIL;
goto exit;
}
if (!RTW_CANNOT_RUN(padapter)) {
/* indicate this recv_frame */
ret = rtw_recv_indicatepkt(padapter, rframe);
if (ret != _SUCCESS) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" rtw_recv_indicatepkt fail!\n"
, FUNC_ADPT_ARG(padapter));
#endif
rtw_free_recvframe(rframe, pfree_recv_queue);/* free this recv_frame */
ret = _FAIL;
goto exit;
}
} else {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" bDriverStopped(%s) OR bSurpriseRemoved(%s)\n"
, FUNC_ADPT_ARG(padapter)
, rtw_is_drv_stopped(padapter) ? "True" : "False"
, rtw_is_surprise_removed(padapter) ? "True" : "False");
#endif
ret = _FAIL;
rtw_free_recvframe(rframe, pfree_recv_queue);/* free this recv_frame */
goto exit;
}
}
}
}
rtw_free_recvframe(rframe, pfree_recv_queue);/* free this recv_frame */
ret = _FAIL;
exit:
return ret;
}
#endif
static sint fill_radiotap_hdr(_adapter *padapter, union recv_frame *precvframe, u8 *buf)
{
#define CHAN2FREQ(a) ((a < 14) ? (2407+5*a) : (5000+5*a))
#if 0
#define RTW_RX_RADIOTAP_PRESENT (\
(1 << IEEE80211_RADIOTAP_TSFT) | \
(1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
(0 << IEEE80211_RADIOTAP_FHSS) | \
(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \
(1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) | \
(0 << IEEE80211_RADIOTAP_LOCK_QUALITY) | \
(0 << IEEE80211_RADIOTAP_TX_ATTENUATION) | \
(0 << IEEE80211_RADIOTAP_DB_TX_ATTENUATION) | \
(0 << IEEE80211_RADIOTAP_DBM_TX_POWER) | \
(1 << IEEE80211_RADIOTAP_ANTENNA) | \
(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \
(0 << IEEE80211_RADIOTAP_DB_ANTNOISE) | \
(0 << IEEE80211_RADIOTAP_RX_FLAGS) | \
(0 << IEEE80211_RADIOTAP_TX_FLAGS) | \
(0 << IEEE80211_RADIOTAP_RTS_RETRIES) | \
(0 << IEEE80211_RADIOTAP_DATA_RETRIES) | \
(0 << IEEE80211_RADIOTAP_MCS) | \
(0 << IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE)| \
(0 << IEEE80211_RADIOTAP_VENDOR_NAMESPACE) | \
(0 << IEEE80211_RADIOTAP_EXT) | \
0)
/* (0 << IEEE80211_RADIOTAP_AMPDU_STATUS) | \ */
/* (0 << IEEE80211_RADIOTAP_VHT) | \ */
#endif
#ifndef IEEE80211_RADIOTAP_RX_FLAGS
#define IEEE80211_RADIOTAP_RX_FLAGS 14
#endif
#ifndef IEEE80211_RADIOTAP_MCS
#define IEEE80211_RADIOTAP_MCS 19
#endif
#ifndef IEEE80211_RADIOTAP_VHT
#define IEEE80211_RADIOTAP_VHT 21
#endif
#ifndef IEEE80211_RADIOTAP_F_BADFCS
#define IEEE80211_RADIOTAP_F_BADFCS 0x40 /* bad FCS */
#endif
sint ret = _SUCCESS;
_adapter *adapter = precvframe->u.hdr.adapter;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct rx_pkt_attrib *pattrib = &precvframe->u.hdr.attrib;
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
u16 tmp_16bit = 0;
u8 data_rate[] = {
2, 4, 11, 22, /* CCK */
12, 18, 24, 36, 48, 72, 93, 108, /* OFDM */
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, /* HT MCS index */
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, /* VHT Nss 1 */
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, /* VHT Nss 2 */
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, /* VHT Nss 3 */
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, /* VHT Nss 4 */
};
_pkt *pskb = NULL;
struct ieee80211_radiotap_header *rtap_hdr = NULL;
u8 *ptr = NULL;
u8 hdr_buf[64] = {0};
u16 rt_len = 8;
/* create header */
rtap_hdr = (struct ieee80211_radiotap_header *)&hdr_buf[0];
rtap_hdr->it_version = PKTHDR_RADIOTAP_VERSION;
/* tsft */
if (pattrib->tsfl) {
u64 tmp_64bit;
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_TSFT);
tmp_64bit = cpu_to_le64(pattrib->tsfl);
memcpy(&hdr_buf[rt_len], &tmp_64bit, 8);
rt_len += 8;
}
/* flags */
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_FLAGS);
if (0)
hdr_buf[rt_len] |= IEEE80211_RADIOTAP_F_CFP;
if (0)
hdr_buf[rt_len] |= IEEE80211_RADIOTAP_F_SHORTPRE;
if ((pattrib->encrypt == 1) || (pattrib->encrypt == 5))
hdr_buf[rt_len] |= IEEE80211_RADIOTAP_F_WEP;
if (pattrib->mfrag)
hdr_buf[rt_len] |= IEEE80211_RADIOTAP_F_FRAG;
/* always append FCS */
hdr_buf[rt_len] |= IEEE80211_RADIOTAP_F_FCS;
if (0)
hdr_buf[rt_len] |= IEEE80211_RADIOTAP_F_DATAPAD;
if (pattrib->crc_err)
hdr_buf[rt_len] |= IEEE80211_RADIOTAP_F_BADFCS;
if (pattrib->sgi) {
/* Currently unspecified but used */
hdr_buf[rt_len] |= 0x80;
}
rt_len += 1;
/* rate */
if (pattrib->data_rate < 12) {
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_RATE);
if (pattrib->data_rate < 4) {
/* CCK */
hdr_buf[rt_len] = data_rate[pattrib->data_rate];
} else {
/* OFDM */
hdr_buf[rt_len] = data_rate[pattrib->data_rate];
}
}
rt_len += 1; /* force padding 1 byte for aligned */
/* channel */
tmp_16bit = 0;
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_CHANNEL);
tmp_16bit = CHAN2FREQ(rtw_get_oper_ch(padapter));
/*tmp_16bit = CHAN2FREQ(pHalData->current_channel);*/
memcpy(&hdr_buf[rt_len], &tmp_16bit, 2);
rt_len += 2;
/* channel flags */
tmp_16bit = 0;
if (pHalData->current_band_type == 0)
tmp_16bit |= cpu_to_le16(IEEE80211_CHAN_2GHZ);
else
tmp_16bit |= cpu_to_le16(IEEE80211_CHAN_5GHZ);
if (pattrib->data_rate < 12) {
if (pattrib->data_rate < 4) {
/* CCK */
tmp_16bit |= cpu_to_le16(IEEE80211_CHAN_CCK);
} else {
/* OFDM */
tmp_16bit |= cpu_to_le16(IEEE80211_CHAN_OFDM);
}
} else
tmp_16bit |= cpu_to_le16(IEEE80211_CHAN_DYN);
memcpy(&hdr_buf[rt_len], &tmp_16bit, 2);
rt_len += 2;
/* dBm Antenna Signal */
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL);
hdr_buf[rt_len] = pattrib->phy_info.recv_signal_power;
rt_len += 1;
#if 0
/* dBm Antenna Noise */
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE);
hdr_buf[rt_len] = 0;
rt_len += 1;
/* Signal Quality */
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_LOCK_QUALITY);
hdr_buf[rt_len] = pattrib->phy_info.signal_quality;
rt_len += 1;
#endif
/* Antenna */
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_ANTENNA);
hdr_buf[rt_len] = 0; /* pHalData->rf_type; */
rt_len += 1;
/* RX flags */
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_RX_FLAGS);
#if 0
tmp_16bit = cpu_to_le16(0);
memcpy(ptr, &tmp_16bit, 1);
#endif
rt_len += 2;
/* MCS information */
if (pattrib->data_rate >= 12 && pattrib->data_rate < 44) {
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_MCS);
/* known, flag */
hdr_buf[rt_len] |= BIT1; /* MCS index known */
/* bandwidth */
hdr_buf[rt_len] |= BIT0;
hdr_buf[rt_len + 1] |= (pattrib->bw & 0x03);
/* guard interval */
hdr_buf[rt_len] |= BIT2;
hdr_buf[rt_len + 1] |= (pattrib->sgi & 0x01) << 2;
/* STBC */
hdr_buf[rt_len] |= BIT5;
hdr_buf[rt_len + 1] |= (pattrib->stbc & 0x03) << 5;
rt_len += 2;
/* MCS rate index */
hdr_buf[rt_len] = data_rate[pattrib->data_rate];
rt_len += 1;
}
/* VHT */
if (pattrib->data_rate >= 44 && pattrib->data_rate < 84) {
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_VHT);
/* known 16 bit, flag 8 bit */
tmp_16bit = 0;
/* Bandwidth */
tmp_16bit |= BIT6;
/* Group ID */
tmp_16bit |= BIT7;
/* Partial AID */
tmp_16bit |= BIT8;
/* STBC */
tmp_16bit |= BIT0;
hdr_buf[rt_len + 2] |= (pattrib->stbc & 0x01);
/* Guard interval */
tmp_16bit |= BIT2;
hdr_buf[rt_len + 2] |= (pattrib->sgi & 0x01) << 2;
/* LDPC extra OFDM symbol */
tmp_16bit |= BIT4;
hdr_buf[rt_len + 2] |= (pattrib->ldpc & 0x01) << 4;
memcpy(&hdr_buf[rt_len], &tmp_16bit, 2);
rt_len += 3;
/* bandwidth */
if (pattrib->bw == 0)
hdr_buf[rt_len] |= 0;
else if (pattrib->bw == 1)
hdr_buf[rt_len] |= 1;
else if (pattrib->bw == 2)
hdr_buf[rt_len] |= 4;
else if (pattrib->bw == 3)
hdr_buf[rt_len] |= 11;
rt_len += 1;
/* mcs_nss */
if (pattrib->data_rate >= 44 && pattrib->data_rate < 54) {
hdr_buf[rt_len] |= 1;
hdr_buf[rt_len] |= data_rate[pattrib->data_rate] << 4;
} else if (pattrib->data_rate >= 54 && pattrib->data_rate < 64) {
hdr_buf[rt_len + 1] |= 2;
hdr_buf[rt_len + 1] |= data_rate[pattrib->data_rate] << 4;
} else if (pattrib->data_rate >= 64 && pattrib->data_rate < 74) {
hdr_buf[rt_len + 2] |= 3;
hdr_buf[rt_len + 2] |= data_rate[pattrib->data_rate] << 4;
} else if (pattrib->data_rate >= 74 && pattrib->data_rate < 84) {
hdr_buf[rt_len + 3] |= 4;
hdr_buf[rt_len + 3] |= data_rate[pattrib->data_rate] << 4;
}
rt_len += 4;
/* coding */
hdr_buf[rt_len] = 0;
rt_len += 1;
/* group_id */
hdr_buf[rt_len] = 0;
rt_len += 1;
/* partial_aid */
tmp_16bit = 0;
memcpy(&hdr_buf[rt_len], &tmp_16bit, 2);
rt_len += 2;
}
/* push to skb */
pskb = (_pkt *)buf;
if (skb_headroom(pskb) < rt_len) {
RTW_INFO("%s:%d %s headroom is too small.\n", __FILE__, __LINE__, __func__);
ret = _FAIL;
return ret;
}
ptr = skb_push(pskb, rt_len);
if (ptr) {
rtap_hdr->it_len = cpu_to_le16(rt_len);
memcpy(ptr, rtap_hdr, rt_len);
} else
ret = _FAIL;
return ret;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24))
int recv_frame_monitor(_adapter *padapter, union recv_frame *rframe)
{
int ret = _SUCCESS;
struct rx_pkt_attrib *pattrib = &rframe->u.hdr.attrib;
struct recv_priv *precvpriv = &padapter->recvpriv;
_queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
_pkt *pskb = NULL;
/* read skb information from recv frame */
pskb = rframe->u.hdr.pkt;
pskb->len = rframe->u.hdr.len;
pskb->data = rframe->u.hdr.rx_data;
skb_set_tail_pointer(pskb, rframe->u.hdr.len);
/* fill radiotap header */
if (fill_radiotap_hdr(padapter, rframe, (u8 *)pskb) == _FAIL) {
ret = _FAIL;
rtw_free_recvframe(rframe, pfree_recv_queue); /* free this recv_frame */
goto exit;
}
/* write skb information to recv frame */
skb_reset_mac_header(pskb);
rframe->u.hdr.len = pskb->len;
rframe->u.hdr.rx_data = pskb->data;
rframe->u.hdr.rx_head = pskb->head;
rframe->u.hdr.rx_tail = skb_tail_pointer(pskb);
rframe->u.hdr.rx_end = skb_end_pointer(pskb);
if (!RTW_CANNOT_RUN(padapter)) {
/* indicate this recv_frame */
ret = rtw_recv_monitor(padapter, rframe);
if (ret != _SUCCESS) {
ret = _FAIL;
rtw_free_recvframe(rframe, pfree_recv_queue); /* free this recv_frame */
goto exit;
}
} else {
ret = _FAIL;
rtw_free_recvframe(rframe, pfree_recv_queue); /* free this recv_frame */
goto exit;
}
exit:
return ret;
}
#endif
int recv_func_prehandle(_adapter *padapter, union recv_frame *rframe)
{
int ret = _SUCCESS;
struct rx_pkt_attrib *pattrib = &rframe->u.hdr.attrib;
struct recv_priv *precvpriv = &padapter->recvpriv;
_queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
#ifdef DBG_RX_COUNTER_DUMP
if (padapter->dump_rx_cnt_mode & DUMP_DRV_RX_COUNTER) {
if (pattrib->crc_err == 1)
padapter->drv_rx_cnt_crcerror++;
else
padapter->drv_rx_cnt_ok++;
}
#endif
#ifdef CONFIG_MP_INCLUDED
if (padapter->registrypriv.mp_mode == 1 || padapter->mppriv.bRTWSmbCfg == _TRUE) {
mp_recv_frame(padapter, rframe);
ret = _FAIL;
goto exit;
} else
#endif
{
/* check the frame crtl field and decache */
ret = validate_recv_frame(padapter, rframe);
if (ret != _SUCCESS) {
rtw_free_recvframe(rframe, pfree_recv_queue);/* free this recv_frame */
goto exit;
}
}
exit:
return ret;
}
/*#define DBG_RX_BMC_FRAME*/
int recv_func_posthandle(_adapter *padapter, union recv_frame *prframe)
{
int ret = _SUCCESS;
union recv_frame *orig_prframe = prframe;
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
struct recv_priv *precvpriv = &padapter->recvpriv;
_queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
#ifdef CONFIG_TDLS
u8 *psnap_type, *pcategory;
#endif /* CONFIG_TDLS */
DBG_COUNTER(padapter->rx_logs.core_rx_post);
prframe = decryptor(padapter, prframe);
if (prframe == NULL) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" decryptor: drop pkt\n"
, FUNC_ADPT_ARG(padapter));
#endif
ret = _FAIL;
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_err);
goto _recv_data_drop;
}
#ifdef DBG_RX_BMC_FRAME
if (IS_MCAST(pattrib->ra))
RTW_INFO("%s =>"ADPT_FMT" Rx BC/MC from "MAC_FMT"\n", __func__, ADPT_ARG(padapter), MAC_ARG(pattrib->ta));
#endif
#if 0
if (is_primary_adapter(padapter)) {
RTW_INFO("+++\n");
{
int i;
u8 *ptr = get_recvframe_data(prframe);
for (i = 0; i < 140; i = i + 8)
RTW_INFO("%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:", *(ptr + i),
*(ptr + i + 1), *(ptr + i + 2) , *(ptr + i + 3) , *(ptr + i + 4), *(ptr + i + 5), *(ptr + i + 6), *(ptr + i + 7));
}
RTW_INFO("---\n");
}
#endif
#ifdef CONFIG_TDLS
/* check TDLS frame */
psnap_type = get_recvframe_data(orig_prframe) + pattrib->hdrlen + pattrib->iv_len + SNAP_SIZE;
pcategory = psnap_type + ETH_TYPE_LEN + PAYLOAD_TYPE_LEN;
if ((_rtw_memcmp(psnap_type, SNAP_ETH_TYPE_TDLS, ETH_TYPE_LEN)) &&
((*pcategory == RTW_WLAN_CATEGORY_TDLS) || (*pcategory == RTW_WLAN_CATEGORY_P2P))) {
ret = OnTDLS(padapter, prframe);
if (ret == _FAIL)
goto _exit_recv_func;
}
#endif /* CONFIG_TDLS */
prframe = recvframe_chk_defrag(padapter, prframe);
if (prframe == NULL) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" recvframe_chk_defrag: drop pkt\n"
, FUNC_ADPT_ARG(padapter));
#endif
DBG_COUNTER(padapter->rx_logs.core_rx_post_defrag_err);
goto _recv_data_drop;
}
prframe = portctrl(padapter, prframe);
if (prframe == NULL) {
#ifdef DBG_RX_DROP_FRAME
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" portctrl: drop pkt\n"
, FUNC_ADPT_ARG(padapter));
#endif
ret = _FAIL;
DBG_COUNTER(padapter->rx_logs.core_rx_post_portctrl_err);
goto _recv_data_drop;
}
count_rx_stats(padapter, prframe, NULL);
#ifdef CONFIG_WAPI_SUPPORT
rtw_wapi_update_info(padapter, prframe);
#endif
#if defined(CONFIG_80211N_HT) && defined(CONFIG_RECV_REORDERING_CTRL)
/* including perform A-MPDU Rx Ordering Buffer Control */
ret = recv_indicatepkt_reorder(padapter, prframe);
if (ret == _FAIL) {
rtw_free_recvframe(orig_prframe, pfree_recv_queue);
goto _recv_data_drop;
} else if (ret == RTW_RX_HANDLED) /* queued OR indicated in order */
goto _exit_recv_func;
#endif
recv_set_iseq_before_mpdu_process(prframe, pattrib->seq_num, __func__);
ret = recv_process_mpdu(padapter, prframe);
recv_set_iseq_after_mpdu_process(prframe, pattrib->seq_num, __func__);
if (ret == _FAIL)
goto _recv_data_drop;
_exit_recv_func:
return ret;
_recv_data_drop:
precvpriv->dbg_rx_drop_count++;
return ret;
}
int recv_func(_adapter *padapter, union recv_frame *rframe)
{
int ret;
struct rx_pkt_attrib *prxattrib = &rframe->u.hdr.attrib;
struct recv_priv *recvpriv = &padapter->recvpriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct mlme_priv *mlmepriv = &padapter->mlmepriv;
if (check_fwstate(mlmepriv, WIFI_MONITOR_STATE)) {
/* monitor mode */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24))
recv_frame_monitor(padapter, rframe);
#endif
ret = _SUCCESS;
goto exit;
} else
/* check if need to handle uc_swdec_pending_queue*/
if (check_fwstate(mlmepriv, WIFI_STATION_STATE) && psecuritypriv->busetkipkey) {
union recv_frame *pending_frame;
int cnt = 0;
while ((pending_frame = rtw_alloc_recvframe(&padapter->recvpriv.uc_swdec_pending_queue))) {
cnt++;
DBG_COUNTER(padapter->rx_logs.core_rx_dequeue);
recv_func_posthandle(padapter, pending_frame);
}
if (cnt)
RTW_INFO(FUNC_ADPT_FMT" dequeue %d from uc_swdec_pending_queue\n",
FUNC_ADPT_ARG(padapter), cnt);
}
DBG_COUNTER(padapter->rx_logs.core_rx);
ret = recv_func_prehandle(padapter, rframe);
if (ret == _SUCCESS) {
/* check if need to enqueue into uc_swdec_pending_queue*/
if (check_fwstate(mlmepriv, WIFI_STATION_STATE) &&
!IS_MCAST(prxattrib->ra) && prxattrib->encrypt > 0 &&
(prxattrib->bdecrypted == 0 || psecuritypriv->sw_decrypt == _TRUE) &&
psecuritypriv->ndisauthtype == Ndis802_11AuthModeWPAPSK &&
!psecuritypriv->busetkipkey) {
DBG_COUNTER(padapter->rx_logs.core_rx_enqueue);
rtw_enqueue_recvframe(rframe, &padapter->recvpriv.uc_swdec_pending_queue);
/* RTW_INFO("%s: no key, enqueue uc_swdec_pending_queue\n", __func__); */
if (recvpriv->free_recvframe_cnt < NR_RECVFRAME / 4) {
/* to prevent from recvframe starvation, get recvframe from uc_swdec_pending_queue to free_recvframe_cnt */
rframe = rtw_alloc_recvframe(&padapter->recvpriv.uc_swdec_pending_queue);
if (rframe)
goto do_posthandle;
}
goto exit;
}
do_posthandle:
ret = recv_func_posthandle(padapter, rframe);
}
exit:
return ret;
}
s32 rtw_recv_entry(union recv_frame *precvframe)
{
_adapter *padapter;
struct recv_priv *precvpriv;
s32 ret = _SUCCESS;
padapter = precvframe->u.hdr.adapter;
precvpriv = &padapter->recvpriv;
ret = recv_func(padapter, precvframe);
if (ret == _FAIL) {
goto _recv_entry_drop;
}
precvpriv->rx_pkts++;
return ret;
_recv_entry_drop:
#ifdef CONFIG_MP_INCLUDED
if (padapter->registrypriv.mp_mode == 1)
padapter->mppriv.rx_pktloss = precvpriv->rx_drop;
#endif
return ret;
}
#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
static void rtw_signal_stat_timer_hdl(void *ctx)
{
_adapter *adapter = (_adapter *)ctx;
struct recv_priv *recvpriv = &adapter->recvpriv;
u32 tmp_s, tmp_q;
u8 avg_signal_strength = 0;
u8 avg_signal_qual = 0;
u32 num_signal_strength = 0;
u32 num_signal_qual = 0;
u8 ratio_pre_stat = 0, ratio_curr_stat = 0, ratio_total = 0, ratio_profile = SIGNAL_STAT_CALC_PROFILE_0;
if (adapter->recvpriv.is_signal_dbg) {
/* update the user specific value, signal_strength_dbg, to signal_strength, rssi */
adapter->recvpriv.signal_strength = adapter->recvpriv.signal_strength_dbg;
adapter->recvpriv.rssi = (s8)translate_percentage_to_dbm((u8)adapter->recvpriv.signal_strength_dbg);
} else {
if (recvpriv->signal_strength_data.update_req == 0) { /* update_req is clear, means we got rx */
avg_signal_strength = recvpriv->signal_strength_data.avg_val;
num_signal_strength = recvpriv->signal_strength_data.total_num;
/* after avg_vals are accquired, we can re-stat the signal values */
recvpriv->signal_strength_data.update_req = 1;
}
if (recvpriv->signal_qual_data.update_req == 0) { /* update_req is clear, means we got rx */
avg_signal_qual = recvpriv->signal_qual_data.avg_val;
num_signal_qual = recvpriv->signal_qual_data.total_num;
/* after avg_vals are accquired, we can re-stat the signal values */
recvpriv->signal_qual_data.update_req = 1;
}
if (num_signal_strength == 0) {
if (rtw_get_on_cur_ch_time(adapter) == 0
|| rtw_get_passing_time_ms(rtw_get_on_cur_ch_time(adapter)) < 2 * adapter->mlmeextpriv.mlmext_info.bcn_interval
)
goto set_timer;
}
if (check_fwstate(&adapter->mlmepriv, _FW_UNDER_SURVEY) == _TRUE
|| check_fwstate(&adapter->mlmepriv, _FW_LINKED) == _FALSE
)
goto set_timer;
#ifdef CONFIG_CONCURRENT_MODE
if (rtw_mi_buddy_check_fwstate(adapter, _FW_UNDER_SURVEY) == _TRUE)
goto set_timer;
#endif
if (RTW_SIGNAL_STATE_CALC_PROFILE < SIGNAL_STAT_CALC_PROFILE_MAX)
ratio_profile = RTW_SIGNAL_STATE_CALC_PROFILE;
ratio_pre_stat = signal_stat_calc_profile[ratio_profile][0];
ratio_curr_stat = signal_stat_calc_profile[ratio_profile][1];
ratio_total = ratio_pre_stat + ratio_curr_stat;
/* update value of signal_strength, rssi, signal_qual */
tmp_s = (ratio_curr_stat * avg_signal_strength + ratio_pre_stat * recvpriv->signal_strength);
if (tmp_s % ratio_total)
tmp_s = tmp_s / ratio_total + 1;
else
tmp_s = tmp_s / ratio_total;
if (tmp_s > 100)
tmp_s = 100;
tmp_q = (ratio_curr_stat * avg_signal_qual + ratio_pre_stat * recvpriv->signal_qual);
if (tmp_q % ratio_total)
tmp_q = tmp_q / ratio_total + 1;
else
tmp_q = tmp_q / ratio_total;
if (tmp_q > 100)
tmp_q = 100;
recvpriv->signal_strength = tmp_s;
recvpriv->rssi = (s8)translate_percentage_to_dbm(tmp_s);
recvpriv->signal_qual = tmp_q;
#if defined(DBG_RX_SIGNAL_DISPLAY_PROCESSING) && 1
RTW_INFO(FUNC_ADPT_FMT" signal_strength:%3u, rssi:%3d, signal_qual:%3u"
", num_signal_strength:%u, num_signal_qual:%u"
", on_cur_ch_ms:%d"
"\n"
, FUNC_ADPT_ARG(adapter)
, recvpriv->signal_strength
, recvpriv->rssi
, recvpriv->signal_qual
, num_signal_strength, num_signal_qual
, rtw_get_on_cur_ch_time(adapter) ? rtw_get_passing_time_ms(rtw_get_on_cur_ch_time(adapter)) : 0
);
#endif
}
set_timer:
rtw_set_signal_stat_timer(recvpriv);
}
#endif /* CONFIG_NEW_SIGNAL_STAT_PROCESS */
static void rx_process_rssi(_adapter *padapter, union recv_frame *prframe)
{
u32 last_rssi, tmp_val;
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
struct signal_stat *signal_stat = &padapter->recvpriv.signal_strength_data;
#endif /* CONFIG_NEW_SIGNAL_STAT_PROCESS */
/* RTW_INFO("process_rssi=> pattrib->rssil(%d) signal_strength(%d)\n ",pattrib->recv_signal_power,pattrib->signal_strength); */
/* if(pRfd->Status.bPacketToSelf || pRfd->Status.bPacketBeacon) */
{
#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
if (signal_stat->update_req) {
signal_stat->total_num = 0;
signal_stat->total_val = 0;
signal_stat->update_req = 0;
}
signal_stat->total_num++;
signal_stat->total_val += pattrib->phy_info.signal_strength;
signal_stat->avg_val = signal_stat->total_val / signal_stat->total_num;
#else /* CONFIG_NEW_SIGNAL_STAT_PROCESS */
/* Adapter->RxStats.RssiCalculateCnt++; */ /* For antenna Test */
if (padapter->recvpriv.signal_strength_data.total_num++ >= PHY_RSSI_SLID_WIN_MAX) {
padapter->recvpriv.signal_strength_data.total_num = PHY_RSSI_SLID_WIN_MAX;
last_rssi = padapter->recvpriv.signal_strength_data.elements[padapter->recvpriv.signal_strength_data.index];
padapter->recvpriv.signal_strength_data.total_val -= last_rssi;
}
padapter->recvpriv.signal_strength_data.total_val += pattrib->phy_info.signal_strength;
padapter->recvpriv.signal_strength_data.elements[padapter->recvpriv.signal_strength_data.index++] = pattrib->phy_info.signal_strength;
if (padapter->recvpriv.signal_strength_data.index >= PHY_RSSI_SLID_WIN_MAX)
padapter->recvpriv.signal_strength_data.index = 0;
tmp_val = padapter->recvpriv.signal_strength_data.total_val / padapter->recvpriv.signal_strength_data.total_num;
if (padapter->recvpriv.is_signal_dbg) {
padapter->recvpriv.signal_strength = padapter->recvpriv.signal_strength_dbg;
padapter->recvpriv.rssi = (s8)translate_percentage_to_dbm(padapter->recvpriv.signal_strength_dbg);
} else {
padapter->recvpriv.signal_strength = tmp_val;
padapter->recvpriv.rssi = (s8)translate_percentage_to_dbm(tmp_val);
}
#endif /* CONFIG_NEW_SIGNAL_STAT_PROCESS */
}
}
static void rx_process_link_qual(_adapter *padapter, union recv_frame *prframe)
{
u32 last_evm = 0, tmpVal;
struct rx_pkt_attrib *pattrib;
#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
struct signal_stat *signal_stat;
#endif /* CONFIG_NEW_SIGNAL_STAT_PROCESS */
if (prframe == NULL || padapter == NULL)
return;
pattrib = &prframe->u.hdr.attrib;
#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
signal_stat = &padapter->recvpriv.signal_qual_data;
#endif /* CONFIG_NEW_SIGNAL_STAT_PROCESS */
/* RTW_INFO("process_link_qual=> pattrib->signal_qual(%d)\n ",pattrib->signal_qual); */
#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
if (signal_stat->update_req) {
signal_stat->total_num = 0;
signal_stat->total_val = 0;
signal_stat->update_req = 0;
}
signal_stat->total_num++;
signal_stat->total_val += pattrib->phy_info.signal_quality;
signal_stat->avg_val = signal_stat->total_val / signal_stat->total_num;
#else /* CONFIG_NEW_SIGNAL_STAT_PROCESS */
if (pattrib->phy_info.signal_quality != 0) {
/* */
/* 1. Record the general EVM to the sliding window. */
/* */
if (padapter->recvpriv.signal_qual_data.total_num++ >= PHY_LINKQUALITY_SLID_WIN_MAX) {
padapter->recvpriv.signal_qual_data.total_num = PHY_LINKQUALITY_SLID_WIN_MAX;
last_evm = padapter->recvpriv.signal_qual_data.elements[padapter->recvpriv.signal_qual_data.index];
padapter->recvpriv.signal_qual_data.total_val -= last_evm;
}
padapter->recvpriv.signal_qual_data.total_val += pattrib->phy_info.signal_quality;
padapter->recvpriv.signal_qual_data.elements[padapter->recvpriv.signal_qual_data.index++] = pattrib->phy_info.signal_quality;
if (padapter->recvpriv.signal_qual_data.index >= PHY_LINKQUALITY_SLID_WIN_MAX)
padapter->recvpriv.signal_qual_data.index = 0;
/* <1> Showed on UI for user, in percentage. */
tmpVal = padapter->recvpriv.signal_qual_data.total_val / padapter->recvpriv.signal_qual_data.total_num;
padapter->recvpriv.signal_qual = (u8)tmpVal;
}
#endif /* CONFIG_NEW_SIGNAL_STAT_PROCESS */
}
void rx_process_phy_info(_adapter *padapter, union recv_frame *rframe)
{
/* Check RSSI */
rx_process_rssi(padapter, rframe);
/* Check PWDB */
/* process_PWDB(padapter, rframe); */
/* UpdateRxSignalStatistics8192C(Adapter, pRfd); */
/* Check EVM */
rx_process_link_qual(padapter, rframe);
rtw_store_phy_info(padapter, rframe);
}
void rx_query_phy_status(
union recv_frame *precvframe,
u8 *pphy_status)
{
PADAPTER padapter = precvframe->u.hdr.adapter;
struct rx_pkt_attrib *pattrib = &precvframe->u.hdr.attrib;
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
struct phydm_phyinfo_struct *p_phy_info = &pattrib->phy_info;
u8 *wlanhdr;
struct phydm_perpkt_info_struct pkt_info;
u8 *ta, *ra;
u8 is_ra_bmc;
struct sta_priv *pstapriv;
struct sta_info *psta = NULL;
struct recv_priv *precvpriv = &padapter->recvpriv;
/* _irqL irqL; */
pkt_info.is_packet_match_bssid = _FALSE;
pkt_info.is_packet_to_self = _FALSE;
pkt_info.is_packet_beacon = _FALSE;
pkt_info.ppdu_cnt = pattrib->ppdu_cnt;
pkt_info.station_id = 0xFF;
wlanhdr = get_recvframe_data(precvframe);
ta = get_ta(wlanhdr);
ra = get_ra(wlanhdr);
is_ra_bmc = IS_MCAST(ra);
if (_rtw_memcmp(adapter_mac_addr(padapter), ta, ETH_ALEN) == _TRUE) {
static systime start_time = 0;
#if 0 /*For debug */
if (IsFrameTypeCtrl(wlanhdr)) {
RTW_INFO("-->Control frame: Y\n");
RTW_INFO("-->pkt_len: %d\n", pattrib->pkt_len);
RTW_INFO("-->Sub Type = 0x%X\n", get_frame_sub_type(wlanhdr));
}
/* Dump first 40 bytes of header */
int i = 0;
for (i = 0; i < 40; i++)
RTW_INFO("%d: %X\n", i, *((u8 *)wlanhdr + i));
RTW_INFO("\n");
#endif
if ((start_time == 0) || (rtw_get_passing_time_ms(start_time) > 5000)) {
RTW_PRINT("Warning!!! %s: Confilc mac addr!!\n", __func__);
start_time = rtw_get_current_time();
}
precvpriv->dbg_rx_conflic_mac_addr_cnt++;
} else {
pstapriv = &padapter->stapriv;
psta = rtw_get_stainfo(pstapriv, ta);
if (psta)
pkt_info.station_id = psta->cmn.mac_id;
}
pkt_info.is_packet_match_bssid = (!IsFrameTypeCtrl(wlanhdr))
&& (!pattrib->icv_err) && (!pattrib->crc_err)
&& ((!MLME_IS_MESH(padapter) && _rtw_memcmp(get_hdr_bssid(wlanhdr), get_bssid(&padapter->mlmepriv), ETH_ALEN))
|| (MLME_IS_MESH(padapter) && psta));
pkt_info.is_to_self = (!pattrib->icv_err) && (!pattrib->crc_err)
&& _rtw_memcmp(ra, adapter_mac_addr(padapter), ETH_ALEN);
pkt_info.is_packet_to_self = pkt_info.is_packet_match_bssid
&& _rtw_memcmp(ra, adapter_mac_addr(padapter), ETH_ALEN);
pkt_info.is_packet_beacon = pkt_info.is_packet_match_bssid
&& (get_frame_sub_type(wlanhdr) == WIFI_BEACON);
if (psta && IsFrameTypeData(wlanhdr)) {
if (is_ra_bmc)
psta->curr_rx_rate_bmc = pattrib->data_rate;
else
psta->curr_rx_rate = pattrib->data_rate;
}
pkt_info.data_rate = pattrib->data_rate;
odm_phy_status_query(&pHalData->odmpriv, p_phy_info, pphy_status, &pkt_info);
/* If bw is initial value, get from phy status */
if (pattrib->bw == CHANNEL_WIDTH_MAX)
pattrib->bw = p_phy_info->band_width;
{
precvframe->u.hdr.psta = NULL;
if ((!MLME_IS_MESH(padapter) && pkt_info.is_packet_match_bssid)
|| (MLME_IS_MESH(padapter) && psta)
|| padapter->registrypriv.mp_mode == 1
) {
if (psta) {
precvframe->u.hdr.psta = psta;
rx_process_phy_info(padapter, precvframe);
}
} else if (pkt_info.is_packet_to_self || pkt_info.is_packet_beacon) {
if (psta)
precvframe->u.hdr.psta = psta;
rx_process_phy_info(padapter, precvframe);
}
}
rtw_odm_parse_rx_phy_status_chinfo(precvframe, pphy_status);
}
/*
* Increase and check if the continual_no_rx_packet of this @param pmlmepriv is larger than MAX_CONTINUAL_NORXPACKET_COUNT
* @return _TRUE:
* @return _FALSE:
*/
int rtw_inc_and_chk_continual_no_rx_packet(struct sta_info *sta, int tid_index)
{
int ret = _FALSE;
int value = ATOMIC_INC_RETURN(&sta->continual_no_rx_packet[tid_index]);
if (value >= MAX_CONTINUAL_NORXPACKET_COUNT)
ret = _TRUE;
return ret;
}
/*
* Set the continual_no_rx_packet of this @param pmlmepriv to 0
*/
void rtw_reset_continual_no_rx_packet(struct sta_info *sta, int tid_index)
{
ATOMIC_SET(&sta->continual_no_rx_packet[tid_index], 0);
}
u8 adapter_allow_bmc_data_rx(_adapter *adapter)
{
if (check_fwstate(&adapter->mlmepriv, WIFI_MONITOR_STATE | WIFI_MP_STATE) == _TRUE)
return 1;
if (MLME_IS_AP(adapter))
return 0;
if (rtw_linked_check(adapter) == _FALSE)
return 0;
return 1;
}
s32 pre_recv_entry(union recv_frame *precvframe, u8 *pphy_status)
{
s32 ret = _SUCCESS;
u8 *pbuf = precvframe->u.hdr.rx_data;
u8 *pda = get_ra(pbuf);
u8 ra_is_bmc = IS_MCAST(pda);
#ifdef CONFIG_CONCURRENT_MODE
_adapter *iface = NULL;
_adapter *primary_padapter = precvframe->u.hdr.adapter;
#ifdef CONFIG_MP_INCLUDED
if (rtw_mp_mode_check(primary_padapter))
goto bypass_concurrent_hdl;
#endif
if (ra_is_bmc == _FALSE) { /*unicast packets*/
iface = rtw_get_iface_by_macddr(primary_padapter , pda);
if (NULL == iface) {
RTW_INFO("%s [WARN] Cannot find appropriate adapter - mac_addr : "MAC_FMT"\n", __func__, MAC_ARG(pda));
/*rtw_warn_on(1);*/
} else
precvframe->u.hdr.adapter = iface;
} else /* Handle BC/MC Packets */
rtw_mi_buddy_clone_bcmc_packet(primary_padapter, precvframe, pphy_status);
bypass_concurrent_hdl:
#endif /* CONFIG_CONCURRENT_MODE */
/* skip unnecessary bmc data frame for primary adapter */
if (ra_is_bmc == _TRUE && GetFrameType(pbuf) == WIFI_DATA_TYPE
&& !adapter_allow_bmc_data_rx(precvframe->u.hdr.adapter)
) {
rtw_free_recvframe(precvframe, &precvframe->u.hdr.adapter->recvpriv.free_recv_queue);
goto exit;
}
if (pphy_status)
rx_query_phy_status(precvframe, pphy_status);
ret = rtw_recv_entry(precvframe);
exit:
return ret;
}
#ifdef CONFIG_RECV_THREAD_MODE
thread_return rtw_recv_thread(thread_context context)
{
_adapter *adapter = (_adapter *)context;
struct recv_priv *recvpriv = &adapter->recvpriv;
s32 err = _SUCCESS;
#ifdef PLATFORM_LINUX
struct sched_param param = { .sched_priority = 1 };
sched_setscheduler(current, SCHED_FIFO, &param);
#endif /* PLATFORM_LINUX */
thread_enter("RTW_RECV_THREAD");
RTW_INFO(FUNC_ADPT_FMT" enter\n", FUNC_ADPT_ARG(adapter));
do {
err = _rtw_down_sema(&recvpriv->recv_sema);
if (_FAIL == err) {
RTW_ERR(FUNC_ADPT_FMT" down recv_sema fail!\n", FUNC_ADPT_ARG(adapter));
goto exit;
}
if (RTW_CANNOT_RUN(adapter)) {
RTW_DBG(FUNC_ADPT_FMT "- bDriverStopped(%s) bSurpriseRemoved(%s)\n",
FUNC_ADPT_ARG(adapter),
rtw_is_drv_stopped(adapter) ? "True" : "False",
rtw_is_surprise_removed(adapter) ? "True" : "False");
goto exit;
}
err = rtw_hal_recv_hdl(adapter);
if (err == RTW_RFRAME_UNAVAIL
|| err == RTW_RFRAME_PKT_UNAVAIL
) {
rtw_msleep_os(1);
_rtw_up_sema(&recvpriv->recv_sema);
}
flush_signals_thread();
} while (err != _FAIL);
exit:
RTW_INFO(FUNC_ADPT_FMT " Exit\n", FUNC_ADPT_ARG(adapter));
rtw_thread_wait_stop();
return 0;
}
#endif /* CONFIG_RECV_THREAD_MODE */
#if DBG_RX_BH_TRACKING
void rx_bh_tk_set_stage(struct recv_priv *recv, u32 s)
{
recv->rx_bh_stage = s;
}
void rx_bh_tk_set_buf(struct recv_priv *recv, void *buf, void *data, u32 dlen)
{
if (recv->rx_bh_cbuf)
recv->rx_bh_lbuf = recv->rx_bh_cbuf;
recv->rx_bh_cbuf = buf;
if (buf) {
recv->rx_bh_cbuf_data = data;
recv->rx_bh_cbuf_dlen = dlen;
recv->rx_bh_buf_dq_cnt++;
} else {
recv->rx_bh_cbuf_data = NULL;
recv->rx_bh_cbuf_dlen = 0;
}
}
void rx_bh_tk_set_buf_pos(struct recv_priv *recv, void *pos)
{
if (recv->rx_bh_cbuf) {
recv->rx_bh_cbuf_pos = pos - recv->rx_bh_cbuf_data;
} else {
rtw_warn_on(1);
recv->rx_bh_cbuf_pos = 0;
}
}
void rx_bh_tk_set_frame(struct recv_priv *recv, void *frame)
{
recv->rx_bh_cframe = frame;
}
void dump_rx_bh_tk(void *sel, struct recv_priv *recv)
{
RTW_PRINT_SEL(sel, "[RXBHTK]s:%u, buf_dqc:%u, lbuf:%p, cbuf:%p, dlen:%u, pos:%u, cframe:%p\n"
, recv->rx_bh_stage
, recv->rx_bh_buf_dq_cnt
, recv->rx_bh_lbuf
, recv->rx_bh_cbuf
, recv->rx_bh_cbuf_dlen
, recv->rx_bh_cbuf_pos
, recv->rx_bh_cframe
);
}
#endif /* DBG_RX_BH_TRACKING */
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