/**
* @brief This function processes received packet and forwards it
* to kernel/upper layer or send back to firmware
*
* @param priv A pointer to mlan_private
* @param pmbuf A pointer to mlan_buffer which includes the received packet
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_process_uap_rx_packet(IN mlan_private *priv, IN pmlan_buffer pmbuf)
{
pmlan_adapter pmadapter = priv->adapter;
mlan_status ret = MLAN_STATUS_SUCCESS;
UapRxPD *prx_pd;
RxPacketHdr_t *prx_pkt;
pmlan_buffer newbuf = MNULL;
ENTER();
prx_pd = (UapRxPD *)(pmbuf->pbuf + pmbuf->data_offset);
prx_pkt = (RxPacketHdr_t *)((t_u8 *)prx_pd + prx_pd->rx_pkt_offset);
DBG_HEXDUMP(MDAT_D, "uAP RxPD", prx_pd,
MIN(sizeof(UapRxPD), MAX_DATA_DUMP_LEN));
DBG_HEXDUMP(MDAT_D, "uAP Rx Payload",
((t_u8 *)prx_pd + prx_pd->rx_pkt_offset),
MIN(prx_pd->rx_pkt_length, MAX_DATA_DUMP_LEN));
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);
PRINTM(MDATA, "Rx dest " MACSTR "\n",
MAC2STR(prx_pkt->eth803_hdr.dest_addr));
/* don't do packet forwarding in disconnected state */
/* don't do packet forwarding when packet > 1514 */
if ((priv->media_connected == MFALSE) ||
((pmbuf->data_len - prx_pd->rx_pkt_offset) > MV_ETH_FRAME_LEN))
goto upload;
if (prx_pkt->eth803_hdr.dest_addr[0] & 0x01) {
if (!(priv->pkt_fwd & PKT_FWD_INTRA_BCAST)) {
/* Multicast pkt */
newbuf = wlan_alloc_mlan_buffer(pmadapter,
MLAN_TX_DATA_BUF_SIZE_2K,
0, MOAL_MALLOC_BUFFER);
if (newbuf) {
newbuf->bss_index = pmbuf->bss_index;
newbuf->buf_type = pmbuf->buf_type;
newbuf->priority = pmbuf->priority;
newbuf->in_ts_sec = pmbuf->in_ts_sec;
newbuf->in_ts_usec = pmbuf->in_ts_usec;
newbuf->data_offset =
(sizeof(UapTxPD) + INTF_HEADER_LEN +
DMA_ALIGNMENT);
util_scalar_increment(pmadapter->pmoal_handle,
&pmadapter->
pending_bridge_pkts,
pmadapter->callbacks.
moal_spin_lock,
pmadapter->callbacks.
moal_spin_unlock);
newbuf->flags |= MLAN_BUF_FLAG_BRIDGE_BUF;
/* copy the data, skip rxpd */
memcpy(pmadapter,
(t_u8 *)newbuf->pbuf +
newbuf->data_offset,
pmbuf->pbuf + pmbuf->data_offset +
prx_pd->rx_pkt_offset,
pmbuf->data_len - prx_pd->rx_pkt_offset);
newbuf->data_len =
pmbuf->data_len - prx_pd->rx_pkt_offset;
wlan_wmm_add_buf_txqueue(pmadapter, newbuf);
if (util_scalar_read(pmadapter->pmoal_handle,
&pmadapter->
pending_bridge_pkts,
pmadapter->callbacks.
moal_spin_lock,
pmadapter->callbacks.
moal_spin_unlock) >
RX_HIGH_THRESHOLD)
wlan_drop_tx_pkts(priv);
wlan_recv_event(priv,
MLAN_EVENT_ID_DRV_DEFER_HANDLING,
MNULL);
}
}
} else {
if ((!(priv->pkt_fwd & PKT_FWD_INTRA_UCAST)) &&
(wlan_get_station_entry
(priv, prx_pkt->eth803_hdr.dest_addr))) {
/* Forwarding Intra-BSS packet */
pmbuf->data_len -= prx_pd->rx_pkt_offset;
pmbuf->data_offset += prx_pd->rx_pkt_offset;
pmbuf->flags |= MLAN_BUF_FLAG_BRIDGE_BUF;
util_scalar_increment(pmadapter->pmoal_handle,
&pmadapter->pending_bridge_pkts,
pmadapter->callbacks.
moal_spin_lock,
pmadapter->callbacks.
moal_spin_unlock);
wlan_wmm_add_buf_txqueue(pmadapter, pmbuf);
if (util_scalar_read(pmadapter->pmoal_handle,
&pmadapter->pending_bridge_pkts,
pmadapter->callbacks.
moal_spin_lock,
pmadapter->callbacks.
moal_spin_unlock) >
RX_HIGH_THRESHOLD)
wlan_drop_tx_pkts(priv);
wlan_recv_event(priv, MLAN_EVENT_ID_DRV_DEFER_HANDLING,
MNULL);
goto done;
} else if (MLAN_STATUS_FAILURE ==
wlan_check_unicast_packet(priv,
prx_pkt->eth803_hdr.
dest_addr)) {
PRINTM(MDATA, "Drop Pkts: Rx dest " MACSTR "\n",
MAC2STR(prx_pkt->eth803_hdr.dest_addr));
pmbuf->status_code = MLAN_ERROR_PKT_INVALID;
wlan_free_mlan_buffer(pmadapter, pmbuf);
goto done;
}
}
upload:
/* Chop off RxPD */
pmbuf->data_len -= prx_pd->rx_pkt_offset;
pmbuf->data_offset += prx_pd->rx_pkt_offset;
pmbuf->pparent = MNULL;
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);
ret = pmadapter->callbacks.moal_recv_packet(pmadapter->pmoal_handle,
pmbuf);
if (ret == MLAN_STATUS_FAILURE) {
PRINTM(MERROR,
"uAP Rx Error: moal_recv_packet returned error\n");
pmbuf->status_code = MLAN_ERROR_PKT_INVALID;
}
if (ret != MLAN_STATUS_PENDING)
wlan_free_mlan_buffer(pmadapter, pmbuf);
done:
LEAVE();
return ret;
}
/**
* @brief This function processes received packet and forwards it
* to kernel/upper layer or send back to firmware
*
* @param priv A pointer to mlan_private
* @param pmbuf A pointer to mlan_buffer which includes the received packet
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_process_uap_rx_packet(IN mlan_private * priv, IN pmlan_buffer pmbuf)
{
pmlan_adapter pmadapter = priv->adapter;
mlan_status ret = MLAN_STATUS_SUCCESS;
UapRxPD *prx_pd;
RxPacketHdr_t *prx_pkt;
pmlan_buffer newbuf = MNULL;
ENTER();
prx_pd = (UapRxPD *) (pmbuf->pbuf + pmbuf->data_offset);
prx_pkt = (RxPacketHdr_t *) ((t_u8 *) prx_pd + prx_pd->rx_pkt_offset);
DBG_HEXDUMP(MDAT_D, "uAP RxPD", prx_pd,
MIN(sizeof(UapRxPD), MAX_DATA_DUMP_LEN));
DBG_HEXDUMP(MDAT_D, "uAP Rx Payload",
((t_u8 *) prx_pd + prx_pd->rx_pkt_offset),
MIN(prx_pd->rx_pkt_length, MAX_DATA_DUMP_LEN));
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);
PRINTM(MDATA, "Rx dest %02x:%02x:%02x:%02x:%02x:%02x\n",
prx_pkt->eth803_hdr.dest_addr[0], prx_pkt->eth803_hdr.dest_addr[1],
prx_pkt->eth803_hdr.dest_addr[2], prx_pkt->eth803_hdr.dest_addr[3],
prx_pkt->eth803_hdr.dest_addr[4], prx_pkt->eth803_hdr.dest_addr[5]);
/* don't do packet forwarding in disconnected state */
/* don't do packet forwarding when packet > 1514 */
if ((priv->media_connected == MFALSE) ||
((pmbuf->data_len - prx_pd->rx_pkt_offset) > MV_ETH_FRAME_LEN))
goto upload;
if (prx_pkt->eth803_hdr.dest_addr[0] & 0x01) {
/* Multicast pkt */
if ((newbuf =
wlan_alloc_mlan_buffer(pmadapter, MLAN_TX_DATA_BUF_SIZE_2K, 0,
MTRUE))) {
newbuf->bss_index = pmbuf->bss_index;
newbuf->buf_type = pmbuf->buf_type;
newbuf->priority = pmbuf->priority;
newbuf->in_ts_sec = pmbuf->in_ts_sec;
newbuf->in_ts_usec = pmbuf->in_ts_usec;
newbuf->data_offset =
(sizeof(UapTxPD) + INTF_HEADER_LEN + DMA_ALIGNMENT);
pmadapter->pending_bridge_pkts++;
newbuf->flags |= MLAN_BUF_FLAG_BRIDGE_BUF;
/* copy the data, skip rxpd */
memcpy(pmadapter, (t_u8 *) newbuf->pbuf + newbuf->data_offset,
pmbuf->pbuf + pmbuf->data_offset + prx_pd->rx_pkt_offset,
pmbuf->data_len - prx_pd->rx_pkt_offset);
newbuf->data_len = pmbuf->data_len - prx_pd->rx_pkt_offset;
wlan_wmm_add_buf_txqueue(pmadapter, newbuf);
if (pmadapter->pending_bridge_pkts > RX_HIGH_THRESHOLD)
wlan_drop_tx_pkts(priv);
}
} else {
if (wlan_get_station_entry(priv, prx_pkt->eth803_hdr.dest_addr)) {
/* Forwarding Intra-BSS packet */
pmbuf->data_len -= prx_pd->rx_pkt_offset;
pmbuf->data_offset += prx_pd->rx_pkt_offset;
pmbuf->flags |= MLAN_BUF_FLAG_BRIDGE_BUF;
pmadapter->pending_bridge_pkts++;
wlan_wmm_add_buf_txqueue(pmadapter, pmbuf);
if (pmadapter->pending_bridge_pkts > RX_HIGH_THRESHOLD)
wlan_drop_tx_pkts(priv);
pmadapter->callbacks.moal_recv_complete(pmadapter->pmoal_handle,
MNULL,
MLAN_USB_EP_DATA, ret);
goto done;
}
}
upload:
/* Chop off RxPD */
pmbuf->data_len -= prx_pd->rx_pkt_offset;
pmbuf->data_offset += prx_pd->rx_pkt_offset;
pmbuf->pparent = MNULL;
pmadapter->callbacks.moal_get_system_time(pmadapter->pmoal_handle,
&pmbuf->out_ts_sec,
&pmbuf->out_ts_usec);
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);
ret = pmadapter->callbacks.moal_recv_packet(pmadapter->pmoal_handle, pmbuf);
if (ret == MLAN_STATUS_FAILURE) {
PRINTM(MERROR, "uAP Rx Error: moal_recv_packet returned error\n");
pmbuf->status_code = MLAN_ERROR_PKT_INVALID;
}
if (ret != MLAN_STATUS_PENDING) {
pmadapter->callbacks.moal_recv_complete(pmadapter->pmoal_handle, pmbuf,
MLAN_USB_EP_DATA, ret);
}
done:
LEAVE();
return ret;
}
/**
* @brief This function processes received packet and forwards it
* to kernel/upper layer or send back to firmware
*
* @param priv A pointer to mlan_private
* @param pmbuf A pointer to mlan_buffer which includes the received packet
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_uap_recv_packet(IN mlan_private *priv, IN pmlan_buffer pmbuf)
{
pmlan_adapter pmadapter = priv->adapter;
mlan_status ret = MLAN_STATUS_SUCCESS;
RxPacketHdr_t *prx_pkt;
pmlan_buffer newbuf = MNULL;
ENTER();
prx_pkt = (RxPacketHdr_t *)((t_u8 *)pmbuf->pbuf + pmbuf->data_offset);
DBG_HEXDUMP(MDAT_D, "uap_recv_packet", pmbuf->pbuf + pmbuf->data_offset,
MIN(pmbuf->data_len, MAX_DATA_DUMP_LEN));
PRINTM(MDATA, "AMSDU dest " MACSTR "\n",
MAC2STR(prx_pkt->eth803_hdr.dest_addr));
/* don't do packet forwarding in disconnected state */
if ((priv->media_connected == MFALSE) ||
(pmbuf->data_len > MV_ETH_FRAME_LEN))
goto upload;
if (prx_pkt->eth803_hdr.dest_addr[0] & 0x01) {
if (!(priv->pkt_fwd & PKT_FWD_INTRA_BCAST)) {
/* Multicast pkt */
newbuf = wlan_alloc_mlan_buffer(pmadapter,
MLAN_TX_DATA_BUF_SIZE_2K,
0, MOAL_MALLOC_BUFFER);
if (newbuf) {
newbuf->bss_index = pmbuf->bss_index;
newbuf->buf_type = pmbuf->buf_type;
newbuf->priority = pmbuf->priority;
newbuf->in_ts_sec = pmbuf->in_ts_sec;
newbuf->in_ts_usec = pmbuf->in_ts_usec;
newbuf->data_offset =
(sizeof(UapTxPD) + INTF_HEADER_LEN +
DMA_ALIGNMENT);
util_scalar_increment(pmadapter->pmoal_handle,
&pmadapter->
pending_bridge_pkts,
pmadapter->callbacks.
moal_spin_lock,
pmadapter->callbacks.
moal_spin_unlock);
newbuf->flags |= MLAN_BUF_FLAG_BRIDGE_BUF;
/* copy the data */
memcpy(pmadapter,
(t_u8 *)newbuf->pbuf +
newbuf->data_offset,
pmbuf->pbuf + pmbuf->data_offset,
pmbuf->data_len);
newbuf->data_len = pmbuf->data_len;
wlan_wmm_add_buf_txqueue(pmadapter, newbuf);
if (util_scalar_read(pmadapter->pmoal_handle,
&pmadapter->
pending_bridge_pkts,
pmadapter->callbacks.
moal_spin_lock,
pmadapter->callbacks.
moal_spin_unlock) >
RX_HIGH_THRESHOLD)
wlan_drop_tx_pkts(priv);
wlan_recv_event(priv,
MLAN_EVENT_ID_DRV_DEFER_HANDLING,
MNULL);
}
}
} else {
if ((!(priv->pkt_fwd & PKT_FWD_INTRA_UCAST)) &&
(wlan_get_station_entry
(priv, prx_pkt->eth803_hdr.dest_addr))) {
/* Intra BSS packet */
newbuf = wlan_alloc_mlan_buffer(pmadapter,
MLAN_TX_DATA_BUF_SIZE_2K,
0, MOAL_MALLOC_BUFFER);
if (newbuf) {
newbuf->bss_index = pmbuf->bss_index;
newbuf->buf_type = pmbuf->buf_type;
newbuf->priority = pmbuf->priority;
newbuf->in_ts_sec = pmbuf->in_ts_sec;
newbuf->in_ts_usec = pmbuf->in_ts_usec;
newbuf->data_offset =
(sizeof(UapTxPD) + INTF_HEADER_LEN +
DMA_ALIGNMENT);
util_scalar_increment(pmadapter->pmoal_handle,
&pmadapter->
pending_bridge_pkts,
pmadapter->callbacks.
moal_spin_lock,
pmadapter->callbacks.
moal_spin_unlock);
newbuf->flags |= MLAN_BUF_FLAG_BRIDGE_BUF;
/* copy the data */
memcpy(pmadapter,
(t_u8 *)newbuf->pbuf +
newbuf->data_offset,
pmbuf->pbuf + pmbuf->data_offset,
pmbuf->data_len);
newbuf->data_len = pmbuf->data_len;
wlan_wmm_add_buf_txqueue(pmadapter, newbuf);
if (util_scalar_read(pmadapter->pmoal_handle,
&pmadapter->
pending_bridge_pkts,
pmadapter->callbacks.
moal_spin_lock,
pmadapter->callbacks.
moal_spin_unlock) >
RX_HIGH_THRESHOLD)
wlan_drop_tx_pkts(priv);
wlan_recv_event(priv,
MLAN_EVENT_ID_DRV_DEFER_HANDLING,
MNULL);
}
goto done;
} else if (MLAN_STATUS_FAILURE ==
wlan_check_unicast_packet(priv,
prx_pkt->eth803_hdr.
dest_addr)) {
/* drop packet */
PRINTM(MDATA, "Drop AMSDU dest " MACSTR "\n",
MAC2STR(prx_pkt->eth803_hdr.dest_addr));
goto done;
}
}
upload:
/** send packet to moal */
ret = pmadapter->callbacks.moal_recv_packet(pmadapter->pmoal_handle,
pmbuf);
done:
LEAVE();
return ret;
}
/**
* @brief This function processes received packet and forwards it
* to kernel/upper layer or send back to firmware
*
* @param priv A pointer to mlan_private
* @param pmbuf A pointer to mlan_buffer which includes the received packet
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_uap_recv_packet(IN mlan_private * priv, IN pmlan_buffer pmbuf)
{
pmlan_adapter pmadapter = priv->adapter;
mlan_status ret = MLAN_STATUS_SUCCESS;
RxPacketHdr_t *prx_pkt;
pmlan_buffer newbuf = MNULL;
ENTER();
prx_pkt = (RxPacketHdr_t *) ((t_u8 *) pmbuf->pbuf + pmbuf->data_offset);
DBG_HEXDUMP(MDAT_D, "uap_recv_packet", pmbuf->pbuf + pmbuf->data_offset,
MIN(pmbuf->data_len, MAX_DATA_DUMP_LEN));
PRINTM(MDATA, "AMSDU dest %02x:%02x:%02x:%02x:%02x:%02x\n",
prx_pkt->eth803_hdr.dest_addr[0], prx_pkt->eth803_hdr.dest_addr[1],
prx_pkt->eth803_hdr.dest_addr[2], prx_pkt->eth803_hdr.dest_addr[3],
prx_pkt->eth803_hdr.dest_addr[4], prx_pkt->eth803_hdr.dest_addr[5]);
/* don't do packet forwarding in disconnected state */
if ((priv->media_connected == MFALSE) ||
(pmbuf->data_len > MV_ETH_FRAME_LEN))
goto upload;
if (prx_pkt->eth803_hdr.dest_addr[0] & 0x01) {
/* Multicast pkt */
if ((newbuf =
wlan_alloc_mlan_buffer(pmadapter, MLAN_TX_DATA_BUF_SIZE_2K, 0,
MTRUE))) {
newbuf->bss_index = pmbuf->bss_index;
newbuf->buf_type = pmbuf->buf_type;
newbuf->priority = pmbuf->priority;
newbuf->in_ts_sec = pmbuf->in_ts_sec;
newbuf->in_ts_usec = pmbuf->in_ts_usec;
newbuf->data_offset =
(sizeof(UapTxPD) + INTF_HEADER_LEN + DMA_ALIGNMENT);
pmadapter->pending_bridge_pkts++;
newbuf->flags |= MLAN_BUF_FLAG_BRIDGE_BUF;
/* copy the data */
memcpy(pmadapter, (t_u8 *) newbuf->pbuf + newbuf->data_offset,
pmbuf->pbuf + pmbuf->data_offset, pmbuf->data_len);
newbuf->data_len = pmbuf->data_len;
wlan_wmm_add_buf_txqueue(pmadapter, newbuf);
if (pmadapter->pending_bridge_pkts > RX_HIGH_THRESHOLD)
wlan_drop_tx_pkts(priv);
}
} else {
if (wlan_get_station_entry(priv, prx_pkt->eth803_hdr.dest_addr)) {
/* Intra BSS packet */
if ((newbuf =
wlan_alloc_mlan_buffer(pmadapter, MLAN_TX_DATA_BUF_SIZE_2K, 0,
MTRUE))) {
newbuf->bss_index = pmbuf->bss_index;
newbuf->buf_type = pmbuf->buf_type;
newbuf->priority = pmbuf->priority;
newbuf->in_ts_sec = pmbuf->in_ts_sec;
newbuf->in_ts_usec = pmbuf->in_ts_usec;
newbuf->data_offset =
(sizeof(UapTxPD) + INTF_HEADER_LEN + DMA_ALIGNMENT);
pmadapter->pending_bridge_pkts++;
newbuf->flags |= MLAN_BUF_FLAG_BRIDGE_BUF;
/* copy the data */
memcpy(pmadapter, (t_u8 *) newbuf->pbuf + newbuf->data_offset,
pmbuf->pbuf + pmbuf->data_offset, pmbuf->data_len);
newbuf->data_len = pmbuf->data_len;
wlan_wmm_add_buf_txqueue(pmadapter, newbuf);
if (pmadapter->pending_bridge_pkts > RX_HIGH_THRESHOLD)
wlan_drop_tx_pkts(priv);
}
goto done;
}
}
upload:
/** send packet to moal */
ret = pmadapter->callbacks.moal_recv_packet(pmadapter->pmoal_handle, pmbuf);
done:
LEAVE();
return ret;
}
