| /****************************************************************************** |
| * |
| * 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) |
| { |
| _rtw_spinlock_free(&precvpriv->lock); |
| #ifdef CONFIG_RECV_THREAD_MODE |
| _rtw_free_sema(&precvpriv->recv_sema); |
| #endif |
| |
| _rtw_spinlock_free(&precvpriv->free_recv_queue.lock); |
| _rtw_spinlock_free(&precvpriv->recv_pending_queue.lock); |
| |
| _rtw_spinlock_free(&precvpriv->free_recv_buf_queue.lock); |
| |
| #ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX |
| _rtw_spinlock_free(&precvpriv->recv_buf_pending_queue.lock); |
| #endif /* CONFIG_USE_USB_BUFFER_ALLOC_RX */ |
| } |
| |
| 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) { |
| |
| #ifdef CONFIG_CONCURRENT_MODE |
| if (!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 |
| } |
| |
| 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(ðer_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, u8 bretry) |
| { |
| struct sta_info *sta = precv_frame->u.hdr.psta; |
| struct stainfo_rxcache *prxcache = &sta->sta_recvpriv.rxcache; |
| |
| 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 (1) { /* if(bretry) */ |
| if (seq_ctrl == prxcache->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; |
| } |
| } |
| |
| prxcache->tid_rxseq[tid] = seq_ctrl; |
| |
| |
| return _SUCCESS; |
| |
| } |
| |
| #define PN_LESS_CHK(a, b) (((a-b) & 0x800000000000) != 0) |
| #define PN_EQUAL_CHK(a, b) (a == b) |
| 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_) { |
| _rtw_memcpy(&tmp_iv_hdr, (pdata + pattrib->hdrlen), 8); |
| tmp_iv_hdr = le64_to_cpu(tmp_iv_hdr); |
| pkt_pn = (tmp_iv_hdr & 0x000000000000ffff) | |
| ((tmp_iv_hdr & 0xffffffff00000000) >> 16); |
| |
| _rtw_memcpy(&tmp_iv_hdr, prxcache->iv[tid], 8); |
| tmp_iv_hdr = le64_to_cpu(tmp_iv_hdr); |
| curr_pn = (tmp_iv_hdr & 0x000000000000ffff) | |
| ((tmp_iv_hdr & 0xffffffff00000000) >> 16); |
| |
| if (curr_pn == 0) { |
| _rtw_memcpy(prxcache->iv[tid], (pdata + pattrib->hdrlen), sizeof(prxcache->iv[tid])); |
| goto exit; |
| } |
| |
| if (PN_LESS_CHK(pkt_pn, curr_pn) || PN_EQUAL_CHK(pkt_pn, curr_pn)) { |
| /* return _FAIL; */ |
| } else |
| _rtw_memcpy(prxcache->iv[tid], (pdata + pattrib->hdrlen), sizeof(prxcache->iv[tid])); |
| } |
| |
| exit: |
| 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)) { |
| _rtw_memcpy(&tmp_iv_hdr, (pdata + pattrib->hdrlen), 8); |
| tmp_iv_hdr = le64_to_cpu(tmp_iv_hdr); |
| key_id = ((tmp_iv_hdr & 0x00000000c0000000) >> 30); |
| pkt_pn = (tmp_iv_hdr & 0x000000000000ffff) | |
| ((tmp_iv_hdr & 0xffffffff00000000) >> 16); |
| |
| if (key_id >= 4 ) |
| return _FAIL; |
| |
| _rtw_memcpy(&tmp_iv_hdr, psecuritypriv->iv_seq[key_id], 8); |
| tmp_iv_hdr = le64_to_cpu(tmp_iv_hdr); |
| curr_pn = (tmp_iv_hdr & 0x0000ffffffffffff); |
| |
| if ((curr_pn == 0) && (pkt_pn >= 0)) { |
| _rtw_memcpy(psecuritypriv->iv_seq[key_id], &pkt_pn, 8); |
| goto exit; |
| } |
| |
| if (PN_LESS_CHK(pkt_pn, curr_pn) || PN_EQUAL_CHK(pkt_pn, curr_pn)) { |
| return _FAIL; |
| } else { |
| pkt_pn = cpu_to_le64(pkt_pn); |
| _rtw_memcpy(psecuritypriv->iv_seq[key_id], &pkt_pn, 8); |
| } |
| } |
| |
| exit: |
| return _SUCCESS; |
| } |
| |
| void process_pwrbit_data(_adapter *padapter, union recv_frame *precv_frame); |
| void process_pwrbit_data(_adapter *padapter, union recv_frame *precv_frame) |
| { |
| #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; |
| struct sta_info *psta = NULL; |
| |
| psta = rtw_get_stainfo(pstapriv, pattrib->src); |
| |
| pwrbit = GetPwrMgt(ptr); |
| |
| if (psta) { |
| if (pwrbit) { |
| if (!(psta->state & WIFI_SLEEP_STATE)) { |
| /* psta->state |= WIFI_SLEEP_STATE; */ |
| /* pstapriv->sta_dz_bitmap |= BIT(psta->cmn.aid); */ |
| |
| stop_sta_xmit(padapter, psta); |
| |
| /* RTW_INFO("to sleep, sta_dz_bitmap=%x\n", pstapriv->sta_dz_bitmap); */ |
| } |
| } else { |
| if (psta->state & WIFI_SLEEP_STATE) { |
| /* psta->state ^= WIFI_SLEEP_STATE; */ |
| /* pstapriv->sta_dz_bitmap &= ~BIT(psta->cmn.aid); */ |
| |
| wakeup_sta_to_xmit(padapter, psta); |
| |
| /* RTW_INFO("to wakeup, sta_dz_bitmap=%x\n", pstapriv->sta_dz_bitmap); */ |
| } |
| } |
| |
| } |
| |
| #endif |
| } |
| |
| void process_wmmps_data(_adapter *padapter, union recv_frame *precv_frame); |
| void process_wmmps_data(_adapter *padapter, union recv_frame *precv_frame) |
| { |
| #ifdef CONFIG_AP_MODE |
| struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib; |
| struct sta_priv *pstapriv = &padapter->stapriv; |
| struct sta_info *psta = NULL; |
| |
| psta = rtw_get_stainfo(pstapriv, pattrib->src); |
| |
| if (!psta) |
| return; |
| |
| #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); |
| } |
| } |
| |
| } |
| |
| |
| #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); |
| 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->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 |
| ); |
| 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 = NULL; |
| 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; |
| } |
| |
| sta_addr = pattrib->src; |
| |
| } else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == _TRUE) { |
| #ifdef CONFIG_TDLS |
| |
| /* direct link data transfer */ |
| if (ptdlsinfo->link_established == _TRUE) { |
| ptdls_sta = rtw_get_stainfo(pstapriv, pattrib->src); |
| 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); |
| |
| /* 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->tdls_sta_state &= ~(TDLS_WAIT_PTR_STATE); |
| |
| } |
| |
| sta_addr = pattrib->src; |
| |
| } 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; |
| } |
| |
| sta_addr = pattrib->bssid; |
| } |
| |
| } 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; |
| } |
| |
| sta_addr = pattrib->src; |
| } |
| |
| } 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; |
| |
| *psta = rtw_get_stainfo(pstapriv, sta_addr); /* get ap_info */ |
| #ifdef CONFIG_TDLS |
| if (ptdls_sta != NULL) |
| *psta = ptdls_sta; |
| #endif |
| |
| 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); |
| 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->bssid); /* get ap_info */ |
| 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->bssid); /* get sta_info */ |
| 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); |
| 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->src); |
| 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); |
| |
| if ((get_frame_sub_type(ptr) & WIFI_QOS_DATA_TYPE) == WIFI_QOS_DATA_TYPE) |
| process_wmmps_data(adapter, precv_frame); |
| |
| 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.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) && (pstapriv->sta_dz_bitmap & BIT(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, tim=%x\n", psta->sleepq_len, pstapriv->tim_bitmap); */ |
| |
| #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) { |
| pstapriv->tim_bitmap &= ~BIT(psta->cmn.aid); |
| |
| /* RTW_INFO("after handling ps-poll, tim=%x\n", pstapriv->tim_bitmap); */ |
| |
| /* 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 (pstapriv->tim_bitmap & BIT(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_in_interrupt(padapter, psta->cmn.mac_addr, 0); |
| } else { |
| RTW_INFO("error!psta->sleepq_len=%d\n", psta->sleepq_len); |
| psta->sleepq_len = 0; |
| } |
| |
| pstapriv->tim_bitmap &= ~BIT(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; |
| |
| } |
| |
| 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); |
| sint validate_recv_mgnt_frame(PADAPTER padapter, union recv_frame *precv_frame) |
| { |
| /* struct mlme_priv *pmlmepriv = &adapter->mlmepriv; */ |
| |
| precv_frame = recvframe_chk_defrag(padapter, precv_frame); |
| if (precv_frame == NULL) { |
| return _SUCCESS; |
| } |
| |
| { |
| /* for rx pkt statistics */ |
| struct sta_info *psta = rtw_get_stainfo(&padapter->stapriv, get_addr2_ptr(precv_frame->u.hdr.rx_data)); |
| if (psta) { |
| 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); |
| |
| return _SUCCESS; |
| |
| } |
| |
| sint validate_recv_data_frame(_adapter *adapter, union recv_frame *precv_frame) |
| { |
| u8 bretry; |
| 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); |
| |
| 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; |
| } |
| |
| if (ret == _FAIL) { |
| #ifdef DBG_RX_DROP_FRAME |
| RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" case:%d, res:%d\n" |
| , FUNC_ADPT_ARG(adapter), pattrib->to_fr_ds, ret); |
| #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(pattrib->ra), MAC_ARG(pattrib->ta)); |
| #endif |
| ret = _FAIL; |
| goto exit; |
| } |
| |
| precv_frame->u.hdr.psta = psta; |
| |
| |
| pattrib->amsdu = 0; |
| pattrib->ack_policy = 0; |
| /* parsing QC field */ |
| if (pattrib->qos == 1) { |
| pattrib->priority = GetPriority((ptr + 24)); |
| pattrib->ack_policy = GetAckpolicy((ptr + 24)); |
| pattrib->amsdu = GetAMsdu((ptr + 24)); |
| pattrib->hdrlen = pattrib->to_fr_ds == 3 ? 32 : 26; |
| |
| 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 = pattrib->to_fr_ds == 3 ? 30 : 24; |
| } |
| |
| |
| if (pattrib->order) /* HT-CTRL 11n */ |
| pattrib->hdrlen += 4; |
| |
| if (!IS_MCAST(pattrib->ra)) { |
| precv_frame->u.hdr.preorder_ctrl = &psta->recvreorder_ctrl[pattrib->priority]; |
| |
| /* decache, drop duplicate recv packets */ |
| if ((recv_decache(precv_frame, bretry) == _FAIL) || |
| (recv_ucast_pn_decache(precv_frame) == _FAIL)) { |
| #ifdef DBG_RX_DROP_FRAME |
| RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" recv_decache return _FAIL for sta="MAC_FMT"\n" |
| , FUNC_ADPT_ARG(adapter), MAC_ARG(psta->cmn.mac_addr)); |
| #endif |
| ret = _FAIL; |
| goto exit; |
| } |
| } else { |
| 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 _FAIL for invalid PN!\n" |
| , FUNC_ADPT_ARG(adapter)); |
| #endif |
| ret = _FAIL; |
| goto exit; |
| } |
| |
| precv_frame->u.hdr.preorder_ctrl = NULL; |
| } |
| |
| 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; |
| } |
| |
| exit: |
| |
| |
| return ret; |
| } |
| |
| #ifdef CONFIG_IEEE80211W |
| static sint validate_80211w_mgmt(_adapter *adapter, union recv_frame *precv_frame) |
| { |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib; |
| u8 *ptr = precv_frame->u.hdr.rx_data; |
| struct sta_info *psta; |
| struct sta_priv *pstapriv = &adapter->stapriv; |
| u8 type; |
| u8 subtype; |
| |
| type = GetFrameType(ptr); |
| subtype = get_frame_sub_type(ptr); /* bit(7)~bit(2) */ |
| |
| if (adapter->securitypriv.binstallBIPkey == _TRUE) { |
| /* unicast management frame decrypt */ |
| if (pattrib->privacy && !(IS_MCAST(GetAddr1Ptr(ptr))) && |
| (subtype == WIFI_DEAUTH || subtype == WIFI_DISASSOC || subtype == WIFI_ACTION)) { |
| u8 *ppp, *mgmt_DATA; |
| u32 data_len = 0; |
| ppp = get_addr2_ptr(ptr); |
| |
| 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("%s mgmt allocate fail !!!!!!!!!\n", __FUNCTION__); |
| goto validate_80211w_fail; |
| } |
| #if 0 |
| /* 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 0 |
| /* 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) { |
| RTW_INFO("%s mgmt descrypt fail !!!!!!!!!\n", __FUNCTION__); |
| goto validate_80211w_fail; |
| } |
| } else if (IS_MCAST(GetAddr1Ptr(ptr)) && |
| (subtype == WIFI_DEAUTH || subtype == WIFI_DISASSOC)) { |
| sint BIP_ret = _SUCCESS; |
| /* verify BIP MME IE of broadcast/multicast de-auth/disassoc packet */ |
| BIP_ret = rtw_BIP_verify(adapter, (u8 *)precv_frame); |
| if (BIP_ret == _FAIL) { |
| /* RTW_INFO("802.11w BIP verify fail\n"); */ |
| goto validate_80211w_fail; |
| } else if (BIP_ret == RTW_RX_HANDLED) { |
| RTW_INFO("802.11w recv none protected packet\n"); |
| /* drop pkt, don't issue sa query request */ |
| /* issue_action_SA_Query(adapter, NULL, 0, 0, 0); */ |
| goto validate_80211w_fail; |
| } |
| } /* 802.11w protect */ |
| else { |
| psta = rtw_get_stainfo(pstapriv, get_addr2_ptr(ptr)); |
| |
| if (subtype == WIFI_ACTION && psta && psta->bpairwise_key_installed == _TRUE) { |
| /* according 802.11-2012 standard, these five types are not robust types */ |
| if (ptr[WLAN_HDR_A3_LEN] != RTW_WLAN_CATEGORY_PUBLIC && |
| ptr[WLAN_HDR_A3_LEN] != RTW_WLAN_CATEGORY_HT && |
| ptr[WLAN_HDR_A3_LEN] != RTW_WLAN_CATEGORY_UNPROTECTED_WNM && |
| ptr[WLAN_HDR_A3_LEN] != RTW_WLAN_CATEGORY_SELF_PROTECTED && |
| ptr[WLAN_HDR_A3_LEN] != RTW_WLAN_CATEGORY_P2P) { |
| RTW_INFO("action frame category=%d should robust\n", ptr[WLAN_HDR_A3_LEN]); |
| goto validate_80211w_fail; |
| } |
| } else if (subtype == WIFI_DEAUTH || subtype == WIFI_DISASSOC) { |
| unsigned short reason; |
| reason = le16_to_cpu(*(unsigned short *)(ptr + WLAN_HDR_A3_LEN)); |
| RTW_INFO("802.11w recv none protected packet, reason=%d\n", reason); |
| if (reason == 6 || reason == 7) { |
| /* issue sa query request */ |
| issue_action_SA_Query(adapter, NULL, 0, 0, IEEE80211W_RIGHT_KEY); |
| } |
| goto validate_80211w_fail; |
| } |
| } |
| } |
| return _SUCCESS; |
| |
| validate_80211w_fail: |
| return _FAIL; |
| |
| } |
| #endif /* CONFIG_IEEE80211W */ |
| |
| 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); |
| #ifdef CONFIG_IEEE80211W |
| if (validate_80211w_mgmt(adapter, precv_frame) == _FAIL) { |
| retval = _FAIL; |
| DBG_COUNTER(adapter->rx_logs.core_rx_pre_mgmt_err_80211w); |
| break; |
| } |
| #endif /* CONFIG_IEEE80211W */ |
| |
| 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(ð_type, ptr + pattrib->hdrlen + pattrib->iv_len + 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); |
| 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(ð_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); |
| } |
| } |
| |
| 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(ð_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, ð_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; |
| 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; |
| |
| |
| 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); |
| 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 DBG_IP_R_Monitor |
| int i; |
| struct rx_pkt_attrib *pattrib = &rframe->u.hdr.attrib; |
| struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv; |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| struct wlan_network *cur_network = &(pmlmepriv->cur_network); |
| #endif/*DBG_IP_R_Monitor*/ |
| |
| #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 DBG_IP_R_Monitor |
| #define LEN_ARP_OP_HDR 7 /*ARP OERATION */ |
| if (ntohs(ehdr->h_proto) == ETH_P_ARP) { |
| |
| if(check_fwstate(pmlmepriv, WIFI_ASOC_STATE) == _TRUE){ |
| if(_rtw_memcmp(pattrib->src, cur_network->network.MacAddress, ETH_ALEN)){ |
| if(ehdr_pos[ETHERNET_HEADER_SIZE+LEN_ARP_OP_HDR] == 2) { |
| RTW_INFO("%s,[DBG_ARP] Rx ARP RSP Packet with Dst= "MAC_FMT" ;SeqNum = %d !\n", |
| __FUNCTION__, MAC_ARG(pattrib->dst), pattrib->seq_num); |
| for(i=0;i<(pkt_len -ETHERNET_HEADER_SIZE);i++) |
| RTW_INFO("0x%x ",ehdr_pos[i+ETHERNET_HEADER_SIZE]); |
| RTW_INFO("\n"); |
| } |
| |
| } |
| } |
| } |
| #endif/*DBG_IP_R_Monitor*/ |
| |
| #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; |
| } |
| |
| 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); |
| 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; |
| } |
| |
| sub_pkt = rtw_os_alloc_msdu_pkt(prframe, nSubframe_Length, pdata); |
| if (sub_pkt == NULL) { |
| RTW_INFO("%s(): allocate sub packet fail !!!\n", __FUNCTION__); |
| break; |
| } |
| |
| 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 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 { |
| ret = wlanhdr_to_ethhdr(prframe); |
| 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(prframe, pfree_recv_queue); |
| goto exit; |
| } |
| |
| 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(ð_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); |
| |
| /* DATA FRAME */ |
| rtw_led_control(padapter, LED_CTL_RX); |
| |
| 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) |
| && _rtw_memcmp(get_hdr_bssid(wlanhdr), get_bssid(&padapter->mlmepriv), ETH_ALEN); |
| |
| 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) |
| || 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, ¶m); |
| #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 */ |
| |