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nest-open-source / manifest_repos / drivers / a9df533bba35fc666a1a567337fc22acc463732d / . / wlan_sd8997 / mlan / mlan_sta_rx.c
blob: b5c44e2256589dc0456676a763896c459eda059b [file] [log] [blame]
/** @file mlan_sta_rx.c
*
* @brief This file contains the handling of RX in MLAN
* module.
*
* (C) Copyright 2008-2018 Marvell International Ltd. All Rights Reserved
*
* MARVELL CONFIDENTIAL
* The source code contained or described herein and all documents related to
* the source code ("Material") are owned by Marvell International Ltd or its
* suppliers or licensors. Title to the Material remains with Marvell
* International Ltd or its suppliers and licensors. The Material contains
* trade secrets and proprietary and confidential information of Marvell or its
* suppliers and licensors. The Material is protected by worldwide copyright
* and trade secret laws and treaty provisions. No part of the Material may be
* used, copied, reproduced, modified, published, uploaded, posted,
* transmitted, distributed, or disclosed in any way without Marvell's prior
* express written permission.
*
* No license under any patent, copyright, trade secret or other intellectual
* property right is granted to or conferred upon you by disclosure or delivery
* of the Materials, either expressly, by implication, inducement, estoppel or
* otherwise. Any license under such intellectual property rights must be
* express and approved by Marvell in writing.
*
*/
/********************************************************
Change log:
10/27/2008: initial version
********************************************************/
#include "mlan.h"
#include "mlan_join.h"
#include "mlan_util.h"
#include "mlan_fw.h"
#include "mlan_main.h"
#include "mlan_11n_aggr.h"
#include "mlan_11n_rxreorder.h"
#ifdef DRV_EMBEDDED_SUPPLICANT
#include "authenticator_api.h"
#endif
/********************************************************
Local Variables
********************************************************/
/** Ethernet II header */
typedef struct {
/** Ethernet II header destination address */
t_u8 dest_addr[MLAN_MAC_ADDR_LENGTH];
/** Ethernet II header source address */
t_u8 src_addr[MLAN_MAC_ADDR_LENGTH];
/** Ethernet II header length */
t_u16 ethertype;
} EthII_Hdr_t;
/********************************************************
Global Variables
********************************************************/
/********************************************************
Local Functions
********************************************************/
/********************************************************
Global functions
********************************************************/
/**
* @brief This function process tdls action frame
*
* @param priv A pointer to mlan_private structure
* @param pbuf A pointer to tdls action frame buffer
* @param len len of tdls action frame buffer
* @return N/A
*/
void
wlan_process_tdls_action_frame(pmlan_private priv, t_u8 *pbuf, t_u32 len)
{
sta_node *sta_ptr = MNULL;
IEEEtypes_VendorHeader_t *pvendor_ie = MNULL;
const t_u8 wmm_oui[] = { 0x00, 0x50, 0xf2, 0x02 };
t_u8 *peer;
t_u8 *pos, *end;
t_u8 action;
int ie_len = 0;
t_u8 i;
#define TDLS_PAYLOAD_TYPE 2
#define TDLS_CATEGORY 0x0c
#define TDLS_REQ_FIX_LEN 6
#define TDLS_RESP_FIX_LEN 8
#define TDLS_CONFIRM_FIX_LEN 6
if (len < (sizeof(EthII_Hdr_t) + 3))
return;
if (*(t_u8 *)(pbuf + sizeof(EthII_Hdr_t)) != TDLS_PAYLOAD_TYPE)
/*TDLS payload type = 2 */
return;
if (*(t_u8 *)(pbuf + sizeof(EthII_Hdr_t) + 1) != TDLS_CATEGORY)
/*TDLS category = 0xc */
return;
peer = pbuf + MLAN_MAC_ADDR_LENGTH;
action = *(t_u8 *)(pbuf + sizeof(EthII_Hdr_t) + 2);
/*2= payload type + category */
if (action > TDLS_SETUP_CONFIRM) {
/*just handle TDLS setup request/response/confirm */
PRINTM(MMSG, "Recv TDLS Action: peer=" MACSTR ", action=%d\n",
MAC2STR(peer), action);
return;
}
sta_ptr = wlan_add_station_entry(priv, peer);
if (!sta_ptr)
return;
if (action == TDLS_SETUP_REQUEST) { /*setup request */
sta_ptr->status = TDLS_NOT_SETUP;
PRINTM(MMSG, "Recv TDLS SETUP Request: peer=" MACSTR "\n",
MAC2STR(peer));
wlan_hold_tdls_packets(priv, peer);
if (len < (sizeof(EthII_Hdr_t) + TDLS_REQ_FIX_LEN))
return;
pos = pbuf + sizeof(EthII_Hdr_t) + 4;
/*payload 1+ category 1 + action 1 +dialog 1 */
sta_ptr->capability = mlan_ntohs(*(t_u16 *)pos);
ie_len = len - sizeof(EthII_Hdr_t) - TDLS_REQ_FIX_LEN;
pos += 2;
} else if (action == 1) { /*setup respons */
PRINTM(MMSG, "Recv TDLS SETUP Response: peer=" MACSTR "\n",
MAC2STR(peer));
if (len < (sizeof(EthII_Hdr_t) + TDLS_RESP_FIX_LEN))
return;
pos = pbuf + sizeof(EthII_Hdr_t) + 6;
/*payload 1+ category 1 + action 1 +dialog 1 +status 2 */
sta_ptr->capability = mlan_ntohs(*(t_u16 *)pos);
ie_len = len - sizeof(EthII_Hdr_t) - TDLS_RESP_FIX_LEN;
pos += 2;
} else { /*setup confirm */
PRINTM(MMSG, "Recv TDLS SETUP Confirm: peer=" MACSTR "\n",
MAC2STR(peer));
if (len < (sizeof(EthII_Hdr_t) + TDLS_CONFIRM_FIX_LEN))
return;
pos = pbuf + sizeof(EthII_Hdr_t) + TDLS_CONFIRM_FIX_LEN;
/*payload 1+ category 1 + action 1 +dialog 1 + status 2 */
ie_len = len - sizeof(EthII_Hdr_t) - TDLS_CONFIRM_FIX_LEN;
}
for (end = pos + ie_len; pos + 1 < end; pos += 2 + pos[1]) {
if (pos + 2 + pos[1] > end)
break;
switch (*pos) {
case SUPPORTED_RATES:
sta_ptr->rate_len = pos[1];
for (i = 0; i < pos[1]; i++)
sta_ptr->support_rate[i] = pos[2 + i];
break;
case EXTENDED_SUPPORTED_RATES:
for (i = 0; i < pos[1]; i++)
sta_ptr->support_rate[sta_ptr->rate_len + i] =
pos[2 + i];
sta_ptr->rate_len += pos[1];
break;
case HT_CAPABILITY:
memcpy(priv->adapter, (t_u8 *)&sta_ptr->HTcap, pos,
sizeof(IEEEtypes_HTCap_t));
sta_ptr->is_11n_enabled = 1;
DBG_HEXDUMP(MDAT_D, "TDLS HT capability",
(t_u8 *)(&sta_ptr->HTcap),
MIN(sizeof(IEEEtypes_HTCap_t),
MAX_DATA_DUMP_LEN));
break;
case HT_OPERATION:
memcpy(priv->adapter, &sta_ptr->HTInfo, pos,
sizeof(IEEEtypes_HTInfo_t));
DBG_HEXDUMP(MDAT_D, "TDLS HT info",
(t_u8 *)(&sta_ptr->HTInfo),
MIN(sizeof(IEEEtypes_HTInfo_t),
MAX_DATA_DUMP_LEN));
break;
case BSSCO_2040:
memcpy(priv->adapter, (t_u8 *)&sta_ptr->BSSCO_20_40,
pos, sizeof(IEEEtypes_2040BSSCo_t));
break;
case EXT_CAPABILITY:
memcpy(priv->adapter, (t_u8 *)&sta_ptr->ExtCap, pos,
pos[1] + sizeof(IEEEtypes_Header_t));
DBG_HEXDUMP(MDAT_D, "TDLS Extended capability",
(t_u8 *)(&sta_ptr->ExtCap),
sta_ptr->ExtCap.ieee_hdr.len + 2);
break;
case RSN_IE:
memcpy(priv->adapter, (t_u8 *)&sta_ptr->rsn_ie, pos,
pos[1] + sizeof(IEEEtypes_Header_t));
DBG_HEXDUMP(MDAT_D, "TDLS Rsn ie ",
(t_u8 *)(&sta_ptr->rsn_ie),
pos[1] + sizeof(IEEEtypes_Header_t));
break;
case QOS_INFO:
sta_ptr->qos_info = pos[2];
PRINTM(MDAT_D, "TDLS qos info %x\n", sta_ptr->qos_info);
break;
case VENDOR_SPECIFIC_221:
pvendor_ie = (IEEEtypes_VendorHeader_t *)pos;
if (!memcmp
(priv->adapter, pvendor_ie->oui, wmm_oui,
sizeof(wmm_oui))) {
sta_ptr->qos_info = pos[8]; /** qos info in wmm parameters in response and confirm */
PRINTM(MDAT_D, "TDLS qos info %x\n",
sta_ptr->qos_info);
}
break;
case LINK_ID:
memcpy(priv->adapter, (t_u8 *)&sta_ptr->link_ie, pos,
sizeof(IEEEtypes_LinkIDElement_t));
break;
case VHT_CAPABILITY:
memcpy(priv->adapter, (t_u8 *)&sta_ptr->vht_cap, pos,
sizeof(IEEEtypes_VHTCap_t));
sta_ptr->is_11ac_enabled = 1;
DBG_HEXDUMP(MDAT_D, "TDLS VHT capability",
(t_u8 *)(&sta_ptr->vht_cap),
MIN(sizeof(IEEEtypes_VHTCap_t),
MAX_DATA_DUMP_LEN));
break;
case VHT_OPERATION:
memcpy(priv->adapter, (t_u8 *)&sta_ptr->vht_oprat, pos,
sizeof(IEEEtypes_VHTOprat_t));
DBG_HEXDUMP(MDAT_D, "TDLS VHT Operation",
(t_u8 *)(&sta_ptr->vht_oprat),
MIN(sizeof(IEEEtypes_VHTOprat_t),
MAX_DATA_DUMP_LEN));
break;
case AID_INFO:
memcpy(priv->adapter, (t_u8 *)&sta_ptr->aid_info, pos,
sizeof(IEEEtypes_AID_t));
DBG_HEXDUMP(MDAT_D, "TDLS AID Info",
(t_u8 *)(&sta_ptr->aid_info),
MIN(sizeof(IEEEtypes_AID_t),
MAX_DATA_DUMP_LEN));
break;
default:
break;
}
}
return;
}
/**
* @brief This function get pxpd info for radiotap info
*
* @param priv A pointer to pmlan_private
* @param prx_pd A pointer to RxPD
* @param prt_info A pointer to radiotap_info
*
* @return N/A
*/
void
wlan_rxpdinfo_to_radiotapinfo(pmlan_private priv, RxPD *prx_pd,
radiotap_info * prt_info)
{
radiotap_info rt_info_tmp;
t_u8 rx_rate_info = 0;
t_u8 mcs_index = 0;
t_u8 format = 0;
t_u8 bw = 0;
t_u8 gi = 0;
t_u8 ldpc = 0;
memset(priv->adapter, &rt_info_tmp, 0x00, sizeof(rt_info_tmp));
rt_info_tmp.snr = prx_pd->snr;
rt_info_tmp.nf = prx_pd->nf;
rt_info_tmp.band_config = (prx_pd->rx_info & 0xf);
rt_info_tmp.chan_num = (prx_pd->rx_info & RXPD_CHAN_MASK) >> 5;
rt_info_tmp.antenna = prx_pd->antenna;
rx_rate_info = prx_pd->rate_info;
if ((rx_rate_info & 0x3) == MLAN_RATE_FORMAT_VHT) {
/* VHT rate */
format = MLAN_RATE_FORMAT_VHT;
mcs_index = MIN(prx_pd->rx_rate & 0xF, 9);
/* 20M: bw=0, 40M: bw=1, 80M: bw=2, 160M: bw=3 */
bw = (rx_rate_info & 0xC) >> 2;
/* LGI: gi =0, SGI: gi = 1 */
gi = (rx_rate_info & 0x10) >> 4;
} else if ((rx_rate_info & 0x3) == MLAN_RATE_FORMAT_HT) {
/* HT rate */
format = MLAN_RATE_FORMAT_HT;
mcs_index = prx_pd->rx_rate;
/* 20M: bw=0, 40M: bw=1 */
bw = (rx_rate_info & 0xC) >> 2;
/* LGI: gi =0, SGI: gi = 1 */
gi = (rx_rate_info & 0x10) >> 4;
} else {
/* LG rate */
format = MLAN_RATE_FORMAT_LG;
mcs_index = (prx_pd->rx_rate > MLAN_RATE_INDEX_OFDM0) ?
prx_pd->rx_rate - 1 : prx_pd->rx_rate;
}
ldpc = rx_rate_info & 0x40;
rt_info_tmp.rate_info.mcs_index = mcs_index;
rt_info_tmp.rate_info.rate_info =
(ldpc << 5) | (format << 3) | (bw << 1) | gi;
rt_info_tmp.rate_info.bitrate =
wlan_index_to_data_rate(priv->adapter, prx_pd->rx_rate,
prx_pd->rate_info);
if (prx_pd->flags & RXPD_FLAG_EXTRA_HEADER)
memcpy(priv->adapter, &rt_info_tmp.extra_info,
(t_u8 *)prx_pd + sizeof(*prx_pd),
sizeof(rt_info_tmp.extra_info));
memset(priv->adapter, prt_info, 0x00, sizeof(*prt_info));
memcpy(priv->adapter, prt_info, &rt_info_tmp, sizeof(*prt_info));
return;
}
/**
* @brief This function processes received packet and forwards it
* to kernel/upper layer
*
* @param pmadapter A pointer to mlan_adapter
* @param pmbuf A pointer to mlan_buffer which includes the received packet
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_process_rx_packet(pmlan_adapter pmadapter, pmlan_buffer pmbuf)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
pmlan_private priv = pmadapter->priv[pmbuf->bss_index];
RxPacketHdr_t *prx_pkt;
RxPD *prx_pd;
int hdr_chop;
EthII_Hdr_t *peth_hdr;
t_u8 rfc1042_eth_hdr[MLAN_MAC_ADDR_LENGTH] = {
0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00
};
t_u8 snap_oui_802_h[MLAN_MAC_ADDR_LENGTH] = {
0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8
};
t_u8 appletalk_aarp_type[2] = { 0x80, 0xf3 };
t_u8 ipx_snap_type[2] = { 0x81, 0x37 };
t_u8 tdls_action_type[2] = { 0x89, 0x0d };
#ifdef DRV_EMBEDDED_SUPPLICANT
t_u8 eapol_type[2] = { 0x88, 0x8e };
#endif
ENTER();
prx_pd = (RxPD *)(pmbuf->pbuf + pmbuf->data_offset);
prx_pkt = (RxPacketHdr_t *)((t_u8 *)prx_pd + prx_pd->rx_pkt_offset);
/** Small debug type */
#define DBG_TYPE_SMALL 2
/** Size of debugging structure */
#define SIZE_OF_DBG_STRUCT 4
if (prx_pd->rx_pkt_type == PKT_TYPE_DEBUG) {
t_u8 dbg_type;
dbg_type = *(t_u8 *)&prx_pkt->eth803_hdr;
if (dbg_type == DBG_TYPE_SMALL) {
PRINTM(MFW_D, "\n");
DBG_HEXDUMP(MFW_D, "FWDBG",
(char *)((t_u8 *)&prx_pkt->eth803_hdr +
SIZE_OF_DBG_STRUCT),
prx_pd->rx_pkt_length);
PRINTM(MFW_D, "FWDBG::\n");
}
goto done;
}
PRINTM(MINFO,
"RX Data: data_len - prx_pd->rx_pkt_offset = %d - %d = %d\n",
pmbuf->data_len, prx_pd->rx_pkt_offset,
pmbuf->data_len - prx_pd->rx_pkt_offset);
HEXDUMP("RX Data: Dest", prx_pkt->eth803_hdr.dest_addr,
sizeof(prx_pkt->eth803_hdr.dest_addr));
HEXDUMP("RX Data: Src", prx_pkt->eth803_hdr.src_addr,
sizeof(prx_pkt->eth803_hdr.src_addr));
if ((memcmp(pmadapter, &prx_pkt->rfc1042_hdr,
snap_oui_802_h, sizeof(snap_oui_802_h)) == 0) ||
((memcmp(pmadapter, &prx_pkt->rfc1042_hdr,
rfc1042_eth_hdr, sizeof(rfc1042_eth_hdr)) == 0) &&
memcmp(pmadapter, &prx_pkt->rfc1042_hdr.snap_type,
appletalk_aarp_type, sizeof(appletalk_aarp_type)) &&
memcmp(pmadapter, &prx_pkt->rfc1042_hdr.snap_type,
ipx_snap_type, sizeof(ipx_snap_type)))) {
/*
* Replace the 803 header and rfc1042 header (llc/snap) with an
* EthernetII header, keep the src/dst and snap_type (ethertype).
* The firmware only passes up SNAP frames converting
* all RX Data from 802.11 to 802.2/LLC/SNAP frames.
* To create the Ethernet II, just move the src, dst address
* right before the snap_type.
*/
peth_hdr = (EthII_Hdr_t *)
((t_u8 *)&prx_pkt->eth803_hdr
+ sizeof(prx_pkt->eth803_hdr) +
sizeof(prx_pkt->rfc1042_hdr)
- sizeof(prx_pkt->eth803_hdr.dest_addr)
- sizeof(prx_pkt->eth803_hdr.src_addr)
- sizeof(prx_pkt->rfc1042_hdr.snap_type));
memcpy(pmadapter, peth_hdr->src_addr,
prx_pkt->eth803_hdr.src_addr,
sizeof(peth_hdr->src_addr));
memcpy(pmadapter, peth_hdr->dest_addr,
prx_pkt->eth803_hdr.dest_addr,
sizeof(peth_hdr->dest_addr));
/* Chop off the RxPD + the excess memory from the 802.2/llc/snap
* header that was removed.
*/
hdr_chop = (t_u32)((t_ptr)peth_hdr - (t_ptr)prx_pd);
} else {
HEXDUMP("RX Data: LLC/SNAP",
(t_u8 *)&prx_pkt->rfc1042_hdr,
sizeof(prx_pkt->rfc1042_hdr));
if (!memcmp
(pmadapter, &prx_pkt->eth803_hdr.h803_len, tdls_action_type,
sizeof(tdls_action_type))) {
wlan_process_tdls_action_frame(priv,
((t_u8 *)prx_pd +
prx_pd->rx_pkt_offset),
prx_pd->rx_pkt_length);
}
/* Chop off the RxPD */
hdr_chop = (t_u32)((t_ptr)&prx_pkt->eth803_hdr - (t_ptr)prx_pd);
}
/* Chop off the leading header bytes so the it points to the start of
* either the reconstructed EthII frame or the 802.2/llc/snap frame
*/
pmbuf->data_len -= hdr_chop;
pmbuf->data_offset += hdr_chop;
pmbuf->pparent = MNULL;
DBG_HEXDUMP(MDAT_D, "RxPD", (t_u8 *)prx_pd,
MIN(sizeof(RxPD), MAX_DATA_DUMP_LEN));
DBG_HEXDUMP(MDAT_D, "Rx Payload",
((t_u8 *)prx_pd + prx_pd->rx_pkt_offset),
MIN(prx_pd->rx_pkt_length, MAX_DATA_DUMP_LEN));
priv->rxpd_rate = prx_pd->rx_rate;
pmadapter->callbacks.moal_get_system_time(pmadapter->pmoal_handle,
&pmbuf->out_ts_sec,
&pmbuf->out_ts_usec);
PRINTM_NETINTF(MDATA, priv);
PRINTM(MDATA, "%lu.%06lu : Data => kernel seq_num=%d tid=%d\n",
pmbuf->out_ts_sec, pmbuf->out_ts_usec, prx_pd->seq_num,
prx_pd->priority);
if (pmadapter->enable_net_mon) {
/* set netmon flag only for a sniffed pkt */
if (prx_pd->rx_pkt_type == PKT_TYPE_802DOT11) {
pmbuf->flags |= MLAN_BUF_FLAG_NET_MONITOR;
goto mon_process;
}
}
#ifdef DRV_EMBEDDED_SUPPLICANT
if (supplicantIsEnabled(priv->psapriv) &&
(!memcmp
(pmadapter, &prx_pkt->eth803_hdr.h803_len, eapol_type,
sizeof(eapol_type)))) {
//BML_SET_OFFSET(bufDesc, offset);
if (ProcessEAPoLPkt(priv->psapriv, pmbuf)) {
wlan_free_mlan_buffer(pmadapter, pmbuf);
ret = MLAN_STATUS_SUCCESS;
PRINTM(MMSG,
"host supplicant eapol pkt process done.\n");
LEAVE();
return ret;
}
}
#endif
mon_process:
if (pmbuf->flags & MLAN_BUF_FLAG_NET_MONITOR) {
//Use some rxpd space to save rxpd info for radiotap header
//We should insure radiotap_info is not bigger than RxPD
wlan_rxpdinfo_to_radiotapinfo(priv, prx_pd,
(radiotap_info *) (pmbuf->pbuf +
pmbuf->
data_offset -
sizeof
(radiotap_info)));
}
if (MFALSE || priv->rx_pkt_info) {
pmbuf->u.rx_info.data_rate =
wlan_index_to_data_rate(priv->adapter, prx_pd->rx_rate,
prx_pd->rate_info);
pmbuf->u.rx_info.channel =
(prx_pd->rx_info & RXPD_CHAN_MASK) >> 5;
pmbuf->u.rx_info.antenna = prx_pd->antenna;
pmbuf->u.rx_info.rssi = prx_pd->snr - prx_pd->nf;
}
ret = pmadapter->callbacks.moal_recv_packet(pmadapter->pmoal_handle,
pmbuf);
if (ret == MLAN_STATUS_FAILURE) {
pmbuf->status_code = MLAN_ERROR_PKT_INVALID;
PRINTM(MERROR,
"STA Rx Error: moal_recv_packet returned error\n");
}
done:
if (ret != MLAN_STATUS_PENDING)
wlan_free_mlan_buffer(pmadapter, pmbuf);
LEAVE();
return ret;
}
/**
* @brief This function processes the received buffer
*
* @param adapter A pointer to mlan_adapter
* @param pmbuf A pointer to the received buffer
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_ops_sta_process_rx_packet(IN t_void *adapter, IN pmlan_buffer pmbuf)
{
pmlan_adapter pmadapter = (pmlan_adapter)adapter;
mlan_status ret = MLAN_STATUS_SUCCESS;
RxPD *prx_pd;
RxPacketHdr_t *prx_pkt;
pmlan_private priv = pmadapter->priv[pmbuf->bss_index];
t_u8 ta[MLAN_MAC_ADDR_LENGTH];
t_u16 rx_pkt_type = 0;
wlan_mgmt_pkt *pmgmt_pkt_hdr = MNULL;
sta_node *sta_ptr = MNULL;
t_u8 adj_rx_rate = 0;
t_u8 antenna = 0;
rxpd_extra_info *pextra_info = MNULL;
ENTER();
prx_pd = (RxPD *)(pmbuf->pbuf + pmbuf->data_offset);
/* Endian conversion */
endian_convert_RxPD(prx_pd);
if (prx_pd->flags & RXPD_FLAG_EXTRA_HEADER) {
pextra_info =
(rxpd_extra_info *) ((t_u8 *)prx_pd + sizeof(*prx_pd));
endian_convert_RxPD_extra_header(pextra_info);
}
rx_pkt_type = prx_pd->rx_pkt_type;
prx_pkt = (RxPacketHdr_t *)((t_u8 *)prx_pd + prx_pd->rx_pkt_offset);
priv->rxpd_rate_info = prx_pd->rate_info;
if (priv->bss_type == MLAN_BSS_TYPE_STA) {
antenna = wlan_adjust_antenna(priv, prx_pd);
adj_rx_rate =
wlan_adjust_data_rate(priv, priv->rxpd_rate,
priv->rxpd_rate_info);
pmadapter->callbacks.moal_hist_data_add(pmadapter->pmoal_handle,
pmbuf->bss_index,
adj_rx_rate,
prx_pd->snr, prx_pd->nf,
antenna);
}
if ((prx_pd->rx_pkt_offset + prx_pd->rx_pkt_length) !=
(t_u16)pmbuf->data_len) {
PRINTM(MERROR,
"Wrong rx packet: len=%d,rx_pkt_offset=%d,"
" rx_pkt_length=%d\n", pmbuf->data_len,
prx_pd->rx_pkt_offset, prx_pd->rx_pkt_length);
pmbuf->status_code = MLAN_ERROR_PKT_SIZE_INVALID;
ret = MLAN_STATUS_FAILURE;
wlan_free_mlan_buffer(pmadapter, pmbuf);
goto done;
}
pmbuf->data_len = prx_pd->rx_pkt_offset + prx_pd->rx_pkt_length;
if (pmadapter->priv[pmbuf->bss_index]->mgmt_frame_passthru_mask &&
prx_pd->rx_pkt_type == PKT_TYPE_MGMT_FRAME) {
/* Check if this is mgmt packet and needs to
* forwarded to app as an event
*/
pmgmt_pkt_hdr =
(wlan_mgmt_pkt *)((t_u8 *)prx_pd +
prx_pd->rx_pkt_offset);
pmgmt_pkt_hdr->frm_len =
wlan_le16_to_cpu(pmgmt_pkt_hdr->frm_len);
if ((pmgmt_pkt_hdr->wlan_header.frm_ctl
& IEEE80211_FC_MGMT_FRAME_TYPE_MASK) == 0)
wlan_process_802dot11_mgmt_pkt(pmadapter->
priv[pmbuf->bss_index],
(t_u8 *)&pmgmt_pkt_hdr->
wlan_header,
pmgmt_pkt_hdr->frm_len +
sizeof(wlan_mgmt_pkt)
-
sizeof(pmgmt_pkt_hdr->
frm_len), prx_pd);
wlan_free_mlan_buffer(pmadapter, pmbuf);
goto done;
}
/*
* If the packet is not an unicast packet then send the packet
* directly to os. Don't pass thru rx reordering
*/
if ((!IS_11N_ENABLED(priv)
&& !IS_11N_ADHOC_ENABLED(priv)
&& !(prx_pd->flags & RXPD_FLAG_PKT_DIRECT_LINK)
) ||
memcmp(priv->adapter, priv->curr_addr,
prx_pkt->eth803_hdr.dest_addr, MLAN_MAC_ADDR_LENGTH)) {
wlan_process_rx_packet(pmadapter, pmbuf);
goto done;
}
if (queuing_ra_based(priv) ||
(prx_pd->flags & RXPD_FLAG_PKT_DIRECT_LINK)) {
memcpy(pmadapter, ta, prx_pkt->eth803_hdr.src_addr,
MLAN_MAC_ADDR_LENGTH);
if (prx_pd->priority < MAX_NUM_TID) {
PRINTM(MDATA, "adhoc/tdls packet %p " MACSTR "\n",
pmbuf, MAC2STR(ta));
sta_ptr = wlan_get_station_entry(priv, ta);
if (sta_ptr) {
sta_ptr->rx_seq[prx_pd->priority] =
prx_pd->seq_num;
if (prx_pd->flags & RXPD_FLAG_PKT_DIRECT_LINK) {
sta_ptr->snr = prx_pd->snr;
sta_ptr->nf = prx_pd->nf;
pmadapter->callbacks.
moal_updata_peer_signal
(pmadapter->pmoal_handle,
pmbuf->bss_index, ta,
prx_pd->snr, prx_pd->nf);
}
}
if (!sta_ptr || !sta_ptr->is_11n_enabled) {
wlan_process_rx_packet(pmadapter, pmbuf);
goto done;
}
}
} else {
if ((rx_pkt_type != PKT_TYPE_BAR) &&
(prx_pd->priority < MAX_NUM_TID))
priv->rx_seq[prx_pd->priority] = prx_pd->seq_num;
memcpy(pmadapter, ta,
priv->curr_bss_params.bss_descriptor.mac_address,
MLAN_MAC_ADDR_LENGTH);
}
if ((priv->port_ctrl_mode == MTRUE && priv->port_open == MFALSE) &&
(rx_pkt_type != PKT_TYPE_BAR)) {
mlan_11n_rxreorder_pkt(priv, prx_pd->seq_num, prx_pd->priority,
ta, (t_u8)prx_pd->rx_pkt_type,
(t_void *)RX_PKT_DROPPED_IN_FW);
if (rx_pkt_type == PKT_TYPE_AMSDU) {
pmbuf->data_len = prx_pd->rx_pkt_length;
pmbuf->data_offset += prx_pd->rx_pkt_offset;
wlan_11n_deaggregate_pkt(priv, pmbuf);
} else {
wlan_process_rx_packet(pmadapter, pmbuf);
}
goto done;
}
/* Reorder and send to OS */
ret = mlan_11n_rxreorder_pkt(priv, prx_pd->seq_num,
prx_pd->priority, ta,
(t_u8)prx_pd->rx_pkt_type, (void *)pmbuf);
if (ret || (rx_pkt_type == PKT_TYPE_BAR)
) {
wlan_free_mlan_buffer(pmadapter, pmbuf);
}
done:
LEAVE();
return ret;
}