/**
* @brief This function processes received packet and forwards it
* to kernel/upper layer
*
* @param adapter 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_ops_uap_process_rx_packet(IN t_void *adapter, IN pmlan_buffer pmbuf)
{
pmlan_adapter pmadapter = (pmlan_adapter)adapter;
mlan_status ret = MLAN_STATUS_SUCCESS;
UapRxPD *prx_pd;
wlan_mgmt_pkt *puap_pkt_hdr = MNULL;
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;
sta_node *sta_ptr = MNULL;
t_u8 adj_rx_rate = 0;
ENTER();
prx_pd = (UapRxPD *)(pmbuf->pbuf + pmbuf->data_offset);
/* Endian conversion */
uap_endian_convert_RxPD(prx_pd);
priv->rxpd_rate = prx_pd->rx_rate;
priv->rxpd_rate_info = prx_pd->rate_info;
if (!priv->adapter->psdio_device->v15_fw_api)
priv->rxpd_rate_info =
wlan_convert_v14_rate_ht_info(priv->rxpd_rate_info);
if (priv->bss_type == MLAN_BSS_TYPE_UAP) {
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,
prx_pd->antenna);
}
rx_pkt_type = prx_pd->rx_pkt_type;
prx_pkt = (RxPacketHdr_t *)((t_u8 *)prx_pd + prx_pd->rx_pkt_offset);
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);
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 */
puap_pkt_hdr =
(wlan_mgmt_pkt *)((t_u8 *)prx_pd +
prx_pd->rx_pkt_offset);
puap_pkt_hdr->frm_len = wlan_le16_to_cpu(puap_pkt_hdr->frm_len);
if ((puap_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 *)&puap_pkt_hdr->
wlan_header,
puap_pkt_hdr->frm_len +
sizeof(wlan_mgmt_pkt) -
sizeof(puap_pkt_hdr->
frm_len),
(RxPD *)prx_pd);
wlan_free_mlan_buffer(pmadapter, pmbuf);
goto done;
}
pmbuf->priority = prx_pd->priority;
memcpy(pmadapter, ta, prx_pkt->eth803_hdr.src_addr,
MLAN_MAC_ADDR_LENGTH);
if ((rx_pkt_type != PKT_TYPE_BAR) && (prx_pd->priority < MAX_NUM_TID)) {
sta_ptr = wlan_get_station_entry(priv, ta);
if (sta_ptr)
sta_ptr->rx_seq[prx_pd->priority] = prx_pd->seq_num;
}
/* check if UAP enable 11n */
if (!priv->is_11n_enabled ||
(!wlan_11n_get_rxreorder_tbl
((mlan_private *)priv, prx_pd->priority, ta)
&& (prx_pd->rx_pkt_type != PKT_TYPE_AMSDU)
)) {
if (priv->pkt_fwd)
wlan_process_uap_rx_packet(priv, pmbuf);
else
wlan_upload_uap_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;
}
/**
* @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; */
ENTER();
prx_pd = (RxPD *) (pmbuf->pbuf + pmbuf->data_offset);
/* Endian conversion */
endian_convert_RxPD(prx_pd);
rx_pkt_type = prx_pd->rx_pkt_type;
/* Note: We do not have data @ some offset of pbuf. pbuf only has RxPD */
/* prx_pkt = (RxPacketHdr_t *) ((t_u8 *) prx_pd + prx_pd->rx_pkt_offset); */
prx_pkt = (RxPacketHdr_t *) pmbuf->pdesc;
/* wmprintf("%p + %d: O: %d PL: %d DL: %d\n\r", */
/* pmbuf->pbuf, pmbuf->data_offset, */
/* prx_pd->rx_pkt_offset, prx_pd->rx_pkt_length, pmbuf->data_len); */
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 */
/* fixme */
wmprintf("Is a management packet expected here?\n\r");
os_enter_critical_section();
while(1){}
#ifndef CONFIG_MLAN_WMSDK
/* Note: We do not have data @ some offset of pbuf. pbuf only has RxPD */
/* pmgmt_pkt_hdr = */
/* (wlan_mgmt_pkt *) ((t_u8 *) prx_pd + prx_pd->rx_pkt_offset); */
pmgmt_pkt_hdr = (wlan_mgmt_pkt *)pmbuf->pdesc;
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));
wlan_free_mlan_buffer(pmadapter, pmbuf);
goto done;
#endif /* CONFIG_MLAN_WMSDK */
}
#ifdef DUMP_PACKET_MAC
dump_mac_addr("Own: ", priv->curr_addr);
dump_mac_addr("Dest: ", prx_pkt->eth803_hdr.dest_addr);
#endif /* DUMP_PACKET_MAC */
/*
* 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) ||
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)) {
memcpy(pmadapter, ta, prx_pkt->eth803_hdr.src_addr,
MLAN_MAC_ADDR_LENGTH);
} 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);
}
/* Reorder and send to OS */
if ((ret = mlan_11n_rxreorder_pkt(priv, prx_pd->seq_num,
prx_pd->priority, ta,
(t_u8) prx_pd->rx_pkt_type,
(void *) pmbuf)) ||
(rx_pkt_type == PKT_TYPE_BAR)
) {
wlan_free_mlan_buffer(pmadapter, pmbuf);
}
done:
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;
ENTER();
prx_pd = (RxPD *) (pmbuf->pbuf + pmbuf->data_offset);
/* Endian conversion */
endian_convert_RxPD(prx_pd);
rx_pkt_type = prx_pd->rx_pkt_type;
prx_pkt = (RxPacketHdr_t *) ((t_u8 *) prx_pd + prx_pd->rx_pkt_offset);
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));
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) ||
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)) {
memcpy(pmadapter, ta, prx_pkt->eth803_hdr.src_addr,
MLAN_MAC_ADDR_LENGTH);
} 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);
}
/* Reorder and send to OS */
if ((ret = mlan_11n_rxreorder_pkt(priv, prx_pd->seq_num,
prx_pd->priority, ta,
(t_u8) prx_pd->rx_pkt_type,
(void *)pmbuf)) ||
(rx_pkt_type == PKT_TYPE_BAR)
) {
wlan_free_mlan_buffer(pmadapter, pmbuf);
}
done:
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;
ENTER();
prx_pd = (RxPD *) (pmbuf->pbuf + pmbuf->data_offset);
/* Endian conversion */
endian_convert_RxPD(prx_pd);
rx_pkt_type = prx_pd->rx_pkt_type;
prx_pkt = (RxPacketHdr_t *) ((t_u8 *) prx_pd + prx_pd->rx_pkt_offset);
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 (prx_pd->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);
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) ||
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)) {
memcpy(pmadapter, ta, prx_pkt->eth803_hdr.src_addr,
MLAN_MAC_ADDR_LENGTH);
} 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);
}
/* Reorder and send to OS */
if ((ret = mlan_11n_rxreorder_pkt(priv, prx_pd->seq_num,
prx_pd->priority, ta,
(t_u8) prx_pd->rx_pkt_type,
(void *) pmbuf)) ||
(rx_pkt_type == PKT_TYPE_BAR)
) {
wlan_free_mlan_buffer(pmadapter, pmbuf);
}
done:
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;
ENTER();
prx_pd = (RxPD *)(pmbuf->pbuf + pmbuf->data_offset);
/* Endian conversion */
endian_convert_RxPD(prx_pd);
rx_pkt_type = prx_pd->rx_pkt_type;
prx_pkt = (RxPacketHdr_t *)((t_u8 *)prx_pd + prx_pd->rx_pkt_offset);
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_sta_check_mgmt_frame(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) &&
!(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->flags & RXPD_FLAG_PKT_DIRECT_LINK) &&
(prx_pd->priority < MAX_NUM_TID)) {
PRINTM(MDATA, "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;
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);
}
}
} 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);
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;
}
/**
* @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
mlan_process_sta_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_num];
t_u8 ta[MLAN_MAC_ADDR_LENGTH];
ENTER();
prx_pd = (RxPD *) (pmbuf->pbuf + pmbuf->data_offset);
/* Endian conversion */
endian_convert_RxPD(prx_pd);
prx_pkt = (RxPacketHdr_t *) ((t_u8 *) prx_pd + prx_pd->rx_pkt_offset);
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);
ret = MLAN_STATUS_FAILURE;
pmadapter->callbacks.moal_recv_complete(pmadapter->pmoal_handle,
pmbuf, 0, ret);
goto done;
}
pmbuf->data_len = prx_pd->rx_pkt_offset + prx_pd->rx_pkt_length;
if (prx_pd->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);
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) ||
memcmp(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)) {
memcpy(ta, prx_pkt->eth803_hdr.src_addr, MLAN_MAC_ADDR_LENGTH);
} else {
memcpy(ta,
priv->curr_bss_params.bss_descriptor.mac_address,
MLAN_MAC_ADDR_LENGTH);
}
/* Reorder and send to OS */
if ((ret = mlan_11n_rxreorder_pkt(priv, prx_pd->seq_num,
prx_pd->priority, ta,
(t_u8) prx_pd->rx_pkt_type,
(void *) pmbuf)) ||
(prx_pd->rx_pkt_type == PKT_TYPE_BAR)
) {
if ((ret =
pmadapter->callbacks.moal_recv_complete(pmadapter->pmoal_handle,
pmbuf, 0, ret)))
PRINTM(MERROR, "RX Error: moal_recv_complete returns" " failure\n");
}
done:
LEAVE();
return (ret);
}
/**
* @brief This function processes received packet and forwards it
* to kernel/upper layer
*
* @param adapter 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_ops_uap_process_rx_packet(IN t_void * adapter, IN pmlan_buffer pmbuf)
{
pmlan_adapter pmadapter = (pmlan_adapter) adapter;
mlan_status ret = MLAN_STATUS_SUCCESS;
UapRxPD *prx_pd;
wlan_mgmt_pkt *puap_pkt_hdr = MNULL;
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;
sta_node *sta_ptr = MNULL;
ENTER();
prx_pd = (UapRxPD *) (pmbuf->pbuf + pmbuf->data_offset);
/* Endian conversion */
uap_endian_convert_RxPD(prx_pd);
rx_pkt_type = prx_pd->rx_pkt_type;
prx_pkt = (RxPacketHdr_t *) ((t_u8 *) prx_pd + prx_pd->rx_pkt_offset);
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);
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;
pmadapter->callbacks.moal_recv_complete(pmadapter->pmoal_handle,
pmbuf, MLAN_USB_EP_DATA, ret);
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 */
puap_pkt_hdr =
(wlan_mgmt_pkt *) ((t_u8 *) prx_pd + prx_pd->rx_pkt_offset);
puap_pkt_hdr->frm_len = wlan_le16_to_cpu(puap_pkt_hdr->frm_len);
if ((puap_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 *) & puap_pkt_hdr->wlan_header,
puap_pkt_hdr->frm_len +
sizeof(wlan_mgmt_pkt) -
sizeof(puap_pkt_hdr->frm_len));
}
pmbuf->priority = prx_pd->priority;
if (prx_pd->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);
goto done;
}
memcpy(pmadapter, ta, prx_pkt->eth803_hdr.src_addr, MLAN_MAC_ADDR_LENGTH);
if ((rx_pkt_type != PKT_TYPE_BAR) && (prx_pd->priority < MAX_NUM_TID)) {
if ((sta_ptr = wlan_get_station_entry(priv, ta)))
sta_ptr->rx_seq[prx_pd->priority] = prx_pd->seq_num;
}
/* check if UAP enable 11n */
if (!priv->is_11n_enabled ||
!wlan_11n_get_rxreorder_tbl((mlan_private *) priv, prx_pd->priority,
ta)) {
if (priv->pkt_fwd)
wlan_process_uap_rx_packet(priv, pmbuf);
else
wlan_upload_uap_rx_packet(pmadapter, pmbuf);
goto done;
}
/* Reorder and send to OS */
if ((ret = mlan_11n_rxreorder_pkt(priv, prx_pd->seq_num,
prx_pd->priority, ta,
(t_u8) prx_pd->rx_pkt_type,
(void *) pmbuf))
|| (rx_pkt_type == PKT_TYPE_BAR)) {
if ((ret =
pmadapter->callbacks.moal_recv_complete(pmadapter->pmoal_handle,
pmbuf, MLAN_USB_EP_DATA,
ret)))
PRINTM(MERROR, "uAP Rx Error: moal_recv_complete returned error\n");
}
done:
if (priv->is_11n_enabled &&
(pmadapter->pending_bridge_pkts >= RX_MED_THRESHOLD))
wlan_send_delba_to_all_in_reorder_tbl(priv);
LEAVE();
return ret;
}
