mwifiex/mxm_wifiex/wlan_src/mlan/mlan_11n_aggr.c

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/** @file mlan_11n_aggr.c
*
* @brief This file contains functions for 11n Aggregation.
*
*
* Copyright 2008-2021 NXP
*
* This software file (the File) is distributed by NXP
* under the terms of the GNU General Public License Version 2, June 1991
* (the License). You may use, redistribute and/or modify the File in
* accordance with the terms and conditions of the License, a copy of which
* is available by writing to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
*
* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
* this warranty disclaimer.
*
*/
/********************************************************
Change log:
11/10/2008: initial version
********************************************************/
#include "mlan.h"
#include "mlan_join.h"
#include "mlan_util.h"
#include "mlan_fw.h"
#include "mlan_main.h"
#include "mlan_wmm.h"
#include "mlan_11n.h"
#include "mlan_11n_aggr.h"
/********************************************************
Local Variables
********************************************************/
/********************************************************
Global Variables
********************************************************/
/********************************************************
Local Functions
********************************************************/
/**
* @brief Aggregate individual packets into one AMSDU packet
*
* @param pmadapter A pointer to mlan_adapter structure
* @param amsdu_buf A pointer to packet buffer
* @param data A pointer to aggregated data packet being formed
* @param pkt_len Length of current packet to aggregate
* @param pad Pad
*
* @return Final packet size
*/
static int wlan_11n_form_amsdu_pkt(pmlan_adapter pmadapter, t_u8 *amsdu_buf,
t_u8 *data, int pkt_len, int *pad)
{
int dt_offset, amsdu_buf_offset;
Rfc1042Hdr_t snap = {
0xaa, /* LLC DSAP */
0xaa, /* LLC SSAP */
0x03, /* LLC CTRL */
{0x00, 0x00, 0x00}, /* SNAP OUI */
0x0000 /* SNAP type */
/*
* This field will be overwritten
* later with ethertype
*/
};
ENTER();
memcpy_ext(pmadapter, amsdu_buf, data, (MLAN_MAC_ADDR_LENGTH)*2,
(MLAN_MAC_ADDR_LENGTH)*2);
dt_offset = amsdu_buf_offset = (MLAN_MAC_ADDR_LENGTH)*2;
snap.snap_type = *(t_u16 *)(data + dt_offset);
dt_offset += sizeof(t_u16);
*(t_u16 *)(amsdu_buf + amsdu_buf_offset) =
mlan_htons(pkt_len + LLC_SNAP_LEN -
((2 * MLAN_MAC_ADDR_LENGTH) + sizeof(t_u16)));
amsdu_buf_offset += sizeof(t_u16);
memcpy_ext(pmadapter, amsdu_buf + amsdu_buf_offset, &snap, LLC_SNAP_LEN,
LLC_SNAP_LEN);
amsdu_buf_offset += LLC_SNAP_LEN;
memcpy_ext(pmadapter, amsdu_buf + amsdu_buf_offset, data + dt_offset,
pkt_len - dt_offset, pkt_len - dt_offset);
*pad = (((pkt_len + LLC_SNAP_LEN) & 3)) ?
(4 - (((pkt_len + LLC_SNAP_LEN)) & 3)) :
0;
LEAVE();
return pkt_len + LLC_SNAP_LEN + *pad;
}
/**
* @brief Add TxPD to AMSDU header
*
* @param priv A pointer to mlan_private structure
* @param mbuf Pointer to buffer where the TxPD will be formed
*
* @return N/A
*/
static void wlan_11n_form_amsdu_txpd(mlan_private *priv, mlan_buffer *mbuf)
{
TxPD *ptx_pd;
mlan_adapter *pmadapter = priv->adapter;
ENTER();
ptx_pd = (TxPD *)mbuf->pbuf;
memset(pmadapter, ptx_pd, 0, sizeof(TxPD));
/*
* Original priority has been overwritten
*/
ptx_pd->priority = (t_u8)mbuf->priority;
ptx_pd->pkt_delay_2ms =
wlan_wmm_compute_driver_packet_delay(priv, mbuf);
ptx_pd->bss_num = GET_BSS_NUM(priv);
ptx_pd->bss_type = priv->bss_type;
/* Always zero as the data is followed by TxPD */
ptx_pd->tx_pkt_offset = sizeof(TxPD);
ptx_pd->tx_pkt_type = PKT_TYPE_AMSDU;
if (mbuf->flags & MLAN_BUF_FLAG_TDLS)
ptx_pd->flags = MRVDRV_TxPD_FLAGS_TDLS_PACKET;
if (ptx_pd->tx_control == 0)
/* TxCtrl set by user or default */
ptx_pd->tx_control = priv->pkt_tx_ctrl;
endian_convert_TxPD(ptx_pd);
LEAVE();
}
/**
* @brief Update the TxPktLength field in TxPD after the complete AMSDU
* packet is formed
*
* @param priv A pointer to mlan_private structure
* @param mbuf TxPD buffer
*
* @return N/A
*/
static INLINE void wlan_11n_update_pktlen_amsdu_txpd(mlan_private *priv,
pmlan_buffer mbuf)
{
TxPD *ptx_pd;
ENTER();
ptx_pd = (TxPD *)mbuf->pbuf;
ptx_pd->tx_pkt_length =
(t_u16)wlan_cpu_to_le16(mbuf->data_len - sizeof(TxPD));
#ifdef STA_SUPPORT
if ((GET_BSS_ROLE(priv) == MLAN_BSS_ROLE_STA) &&
(priv->adapter->pps_uapsd_mode)) {
if (MTRUE == wlan_check_last_packet_indication(priv)) {
priv->adapter->tx_lock_flag = MTRUE;
ptx_pd->flags |= MRVDRV_TxPD_POWER_MGMT_LAST_PACKET;
}
}
#endif /* STA_SUPPORT */
LEAVE();
}
/**
* @brief Get number of aggregated packets
*
* @param data A pointer to packet data
* @param total_pkt_len Total packet length
*
* @return Number of packets
*/
static int wlan_11n_get_num_aggrpkts(t_u8 *data, int total_pkt_len)
{
int pkt_count = 0, pkt_len, pad;
t_u8 hdr_len = sizeof(Eth803Hdr_t);
ENTER();
while (total_pkt_len >= hdr_len) {
/* Length will be in network format, change it to host */
pkt_len = mlan_ntohs(
(*(t_u16 *)(data + (2 * MLAN_MAC_ADDR_LENGTH))));
if (pkt_len > total_pkt_len) {
PRINTM(MERROR, "Error in packet length.\n");
break;
}
pad = (((pkt_len + sizeof(Eth803Hdr_t)) & 3)) ?
(4 - ((pkt_len + sizeof(Eth803Hdr_t)) & 3)) :
0;
data += pkt_len + pad + sizeof(Eth803Hdr_t);
total_pkt_len -= pkt_len + pad + sizeof(Eth803Hdr_t);
++pkt_count;
}
LEAVE();
return pkt_count;
}
/********************************************************
Global Functions
********************************************************/
/**
* @brief Deaggregate the received AMSDU packet
*
* @param priv A pointer to mlan_private structure
* @param pmbuf A pointer to aggregated data packet
*
* @return MLAN_STATUS_SUCCESS --success, otherwise fail
*/
mlan_status wlan_11n_deaggregate_pkt(mlan_private *priv, pmlan_buffer pmbuf)
{
t_u16 pkt_len;
int total_pkt_len;
t_u8 *data;
mlan_adapter *pmadapter = priv->adapter;
t_u32 max_rx_data_size = MLAN_RX_DATA_BUF_SIZE;
int pad;
mlan_status ret = MLAN_STATUS_FAILURE;
RxPacketHdr_t *prx_pkt;
mlan_buffer *daggr_mbuf = MNULL;
t_u8 rfc1042_eth_hdr[MLAN_MAC_ADDR_LENGTH] = {0xaa, 0xaa, 0x03,
0x00, 0x00, 0x00};
t_u8 hdr_len = sizeof(Eth803Hdr_t);
t_u8 eapol_type[2] = {0x88, 0x8e};
t_u8 tdls_action_type[2] = {0x89, 0x0d};
t_u32 in_ts_sec, in_ts_usec;
t_u32 out_ts_sec, out_ts_usec;
t_u32 in_copy_ts_sec, in_copy_ts_usec;
t_u32 out_copy_ts_sec, out_copy_ts_usec;
t_u32 copy_delay = 0;
t_u32 delay = 0;
ENTER();
data = (t_u8 *)(pmbuf->pbuf + pmbuf->data_offset);
total_pkt_len = pmbuf->data_len;
/* Sanity test */
#if defined(USB)
if (IS_USB(pmadapter->card_type) &&
pmadapter->pcard_usb->usb_rx_deaggr.aggr_ctrl.enable) {
max_rx_data_size =
pmadapter->pcard_usb->usb_rx_deaggr.aggr_ctrl.aggr_max;
if (pmadapter->pcard_usb->usb_rx_deaggr.aggr_ctrl.aggr_mode ==
MLAN_USB_AGGR_MODE_NUM) {
max_rx_data_size *=
MAX(MLAN_USB_MAX_PKT_SIZE,
pmadapter->pcard_usb->usb_rx_deaggr
.aggr_ctrl.aggr_align);
max_rx_data_size =
MAX(max_rx_data_size, MLAN_RX_DATA_BUF_SIZE);
}
}
#endif
if (total_pkt_len > (int)max_rx_data_size) {
PRINTM(MERROR,
"Total packet length greater than tx buffer"
" size %d\n",
total_pkt_len);
goto done;
}
if (pmadapter->tp_state_on)
pmadapter->callbacks.moal_get_system_time(
pmadapter->pmoal_handle, &in_ts_sec, &in_ts_usec);
pmbuf->use_count = wlan_11n_get_num_aggrpkts(data, total_pkt_len);
// rx_trace 7
if (pmadapter->tp_state_on) {
pmadapter->callbacks.moal_tp_accounting(
pmadapter->pmoal_handle, pmbuf, 7 /*RX_DROP_P3*/);
pmadapter->callbacks.moal_tp_accounting_rx_param(
pmadapter->pmoal_handle, 4, pmbuf->use_count);
}
if (pmadapter->tp_state_drop_point == 7 /*RX_DROP_P3*/)
goto done;
prx_pkt = (RxPacketHdr_t *)data;
if (pmbuf->pdesc && !memcmp(pmadapter, prx_pkt->eth803_hdr.dest_addr,
priv->curr_addr, MLAN_MAC_ADDR_LENGTH)) {
if (pmadapter->callbacks.moal_recv_amsdu_packet) {
ret = pmadapter->callbacks.moal_recv_amsdu_packet(
pmadapter->pmoal_handle, pmbuf);
if (ret == MLAN_STATUS_PENDING) {
priv->msdu_in_rx_amsdu_cnt += pmbuf->use_count;
priv->amsdu_rx_cnt++;
return ret;
}
goto done;
}
}
while (total_pkt_len >= hdr_len) {
prx_pkt = (RxPacketHdr_t *)data;
/* Length will be in network format, change it to host */
pkt_len = mlan_ntohs(
(*(t_u16 *)(data + (2 * MLAN_MAC_ADDR_LENGTH))));
if (pkt_len > total_pkt_len) {
PRINTM(MERROR,
"Error in packet length: total_pkt_len = %d, pkt_len = %d\n",
total_pkt_len, pkt_len);
ret = MLAN_STATUS_FAILURE;
break;
}
pad = (((pkt_len + sizeof(Eth803Hdr_t)) & 3)) ?
(4 - ((pkt_len + sizeof(Eth803Hdr_t)) & 3)) :
0;
total_pkt_len -= pkt_len + pad + sizeof(Eth803Hdr_t);
if (memcmp(pmadapter, &prx_pkt->rfc1042_hdr, rfc1042_eth_hdr,
sizeof(rfc1042_eth_hdr)) == 0) {
memmove(pmadapter, data + LLC_SNAP_LEN, data,
(2 * MLAN_MAC_ADDR_LENGTH));
data += LLC_SNAP_LEN;
pkt_len += sizeof(Eth803Hdr_t) - LLC_SNAP_LEN;
} else {
*(t_u16 *)(data + (2 * MLAN_MAC_ADDR_LENGTH)) =
(t_u16)0;
pkt_len += sizeof(Eth803Hdr_t);
}
daggr_mbuf = wlan_alloc_mlan_buffer(pmadapter,
pkt_len + MLAN_NET_IP_ALIGN,
0, MOAL_ALLOC_MLAN_BUFFER);
if (daggr_mbuf == MNULL) {
PRINTM(MERROR, "Error allocating daggr mlan_buffer\n");
ret = MLAN_STATUS_FAILURE;
break;
}
daggr_mbuf->data_offset += MLAN_NET_IP_ALIGN;
daggr_mbuf->bss_index = pmbuf->bss_index;
daggr_mbuf->buf_type = pmbuf->buf_type;
daggr_mbuf->data_len = pkt_len;
daggr_mbuf->in_ts_sec = pmbuf->in_ts_sec;
daggr_mbuf->in_ts_usec = pmbuf->in_ts_usec;
daggr_mbuf->extra_ts_sec = pmbuf->extra_ts_sec;
daggr_mbuf->extra_ts_usec = pmbuf->extra_ts_usec;
daggr_mbuf->pparent = pmbuf;
daggr_mbuf->priority = pmbuf->priority;
if (pmadapter->tp_state_on)
pmadapter->callbacks.moal_get_system_time(
pmadapter->pmoal_handle, &in_copy_ts_sec,
&in_copy_ts_usec);
memcpy_ext(pmadapter,
daggr_mbuf->pbuf + daggr_mbuf->data_offset, data,
pkt_len, daggr_mbuf->data_len);
if (pmadapter->tp_state_on) {
pmadapter->callbacks.moal_get_system_time(
pmadapter->pmoal_handle, &out_copy_ts_sec,
&out_copy_ts_usec);
copy_delay +=
(t_s32)(out_copy_ts_sec - in_copy_ts_sec) *
1000000;
copy_delay +=
(t_s32)(out_copy_ts_usec - in_copy_ts_usec);
}
#ifdef UAP_SUPPORT
if (GET_BSS_ROLE(priv) == MLAN_BSS_ROLE_UAP) {
ret = wlan_uap_recv_packet(priv, daggr_mbuf);
} else {
#endif /* UAP_SUPPORT */
/** send EAPOL from AMSDU pkt to firmware */
if (priv->sec_info.ewpa_enabled &&
(!memcmp(pmadapter,
daggr_mbuf->pbuf +
daggr_mbuf->data_offset +
MLAN_ETHER_PKT_TYPE_OFFSET,
eapol_type, sizeof(eapol_type)))) {
ret = wlan_prepare_cmd(
priv, HostCmd_CMD_802_11_EAPOL_PKT, 0,
0, MNULL, daggr_mbuf);
if (ret == MLAN_STATUS_SUCCESS)
wlan_recv_event(
priv,
MLAN_EVENT_ID_DRV_DEFER_HANDLING,
MNULL);
wlan_free_mlan_buffer(pmadapter, daggr_mbuf);
data += pkt_len + pad;
continue;
}
/**process tdls packet*/
if (!memcmp(pmadapter,
daggr_mbuf->pbuf + daggr_mbuf->data_offset +
MLAN_ETHER_PKT_TYPE_OFFSET,
tdls_action_type,
sizeof(tdls_action_type))) {
PRINTM(MEVENT,
"Recevie AMSDU TDLS action frame\n");
wlan_process_tdls_action_frame(
priv,
daggr_mbuf->pbuf +
daggr_mbuf->data_offset,
daggr_mbuf->data_len);
}
ret = pmadapter->callbacks.moal_recv_packet(
pmadapter->pmoal_handle, daggr_mbuf);
#ifdef UAP_SUPPORT
}
#endif /* UAP_SUPPORT */
switch (ret) {
case MLAN_STATUS_PENDING:
break;
case MLAN_STATUS_FAILURE:
PRINTM(MERROR, "Deaggr, send to moal failed\n");
daggr_mbuf->status_code = MLAN_ERROR_PKT_INVALID;
/* fall through */
case MLAN_STATUS_SUCCESS:
wlan_recv_packet_complete(pmadapter, daggr_mbuf, ret);
break;
default:
break;
}
data += pkt_len + pad;
}
if (pmadapter->tp_state_on) {
pmadapter->callbacks.moal_get_system_time(
pmadapter->pmoal_handle, &out_ts_sec, &out_ts_usec);
delay += (t_s32)(out_ts_sec - in_ts_sec) * 1000000;
delay += (t_s32)(out_ts_usec - in_ts_usec);
pmadapter->callbacks.moal_amsdu_tp_accounting(
pmadapter->pmoal_handle, delay, copy_delay);
}
done:
priv->msdu_in_rx_amsdu_cnt += pmbuf->use_count;
priv->amsdu_rx_cnt++;
/** we should free the aggr buffer after deaggr */
pmadapter->ops.data_complete(pmadapter, pmbuf, ret);
LEAVE();
return ret;
}
/**
* @brief Aggregate multiple packets into one single AMSDU packet
*
* @param priv A pointer to mlan_private structure
* @param pra_list Pointer to the RA List table containing the pointers
* to packets.
* @param headroom Any interface specific headroom that may be need. TxPD
* will be formed leaving this headroom.
* @param ptrindex Pointer index
*
* @return Final packet size or MLAN_STATUS_FAILURE
*/
int wlan_11n_aggregate_pkt(mlan_private *priv, raListTbl *pra_list,
int headroom, int ptrindex)
{
int pkt_size = 0;
pmlan_adapter pmadapter = priv->adapter;
mlan_buffer *pmbuf_aggr, *pmbuf_src;
t_u8 *data;
int pad = 0;
mlan_status ret = MLAN_STATUS_SUCCESS;
#ifdef DEBUG_LEVEL1
t_u32 sec = 0, usec = 0;
#endif
mlan_tx_param tx_param;
#ifdef STA_SUPPORT
TxPD *ptx_pd = MNULL;
#endif
t_u32 max_amsdu_size = MIN(pra_list->max_amsdu, pmadapter->tx_buf_size);
t_u32 msdu_in_tx_amsdu_cnt = 0;
ENTER();
PRINTM(MDAT_D, "Handling Aggr packet\n");
pmbuf_src = (pmlan_buffer)util_peek_list(
pmadapter->pmoal_handle, &pra_list->buf_head, MNULL, MNULL);
if (pmbuf_src) {
pmbuf_aggr = wlan_alloc_mlan_buffer(
pmadapter, pmadapter->tx_buf_size, 0,
MOAL_MALLOC_BUFFER | MOAL_MEM_FLAG_ATOMIC);
if (!pmbuf_aggr) {
PRINTM(MERROR, "Error allocating mlan_buffer\n");
pmadapter->callbacks.moal_spin_unlock(
pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
LEAVE();
return MLAN_STATUS_FAILURE;
}
data = pmbuf_aggr->pbuf + headroom;
pmbuf_aggr->bss_index = pmbuf_src->bss_index;
pmbuf_aggr->buf_type = pmbuf_src->buf_type;
pmbuf_aggr->priority = pmbuf_src->priority;
pmbuf_aggr->pbuf = data;
pmbuf_aggr->data_offset = 0;
pmbuf_aggr->in_ts_sec = pmbuf_src->in_ts_sec;
pmbuf_aggr->in_ts_usec = pmbuf_src->in_ts_usec;
if (pmbuf_src->flags & MLAN_BUF_FLAG_TDLS)
pmbuf_aggr->flags |= MLAN_BUF_FLAG_TDLS;
if (pmbuf_src->flags & MLAN_BUF_FLAG_TCP_ACK)
pmbuf_aggr->flags |= MLAN_BUF_FLAG_TCP_ACK;
/* Form AMSDU */
wlan_11n_form_amsdu_txpd(priv, pmbuf_aggr);
pkt_size = sizeof(TxPD);
#ifdef STA_SUPPORT
if (GET_BSS_ROLE(priv) == MLAN_BSS_ROLE_STA)
ptx_pd = (TxPD *)pmbuf_aggr->pbuf;
#endif
priv->msdu_in_tx_amsdu_cnt++;
} else {
pmadapter->callbacks.moal_spin_unlock(
pmadapter->pmoal_handle, priv->wmm.ra_list_spinlock);
goto exit;
}
while (pmbuf_src && ((pkt_size + (pmbuf_src->data_len + LLC_SNAP_LEN) +
headroom) <= max_amsdu_size)) {
pmbuf_src =
(pmlan_buffer)util_dequeue_list(pmadapter->pmoal_handle,
&pra_list->buf_head,
MNULL, MNULL);
/* Collects TP statistics */
if (pmadapter->tp_state_on && (pkt_size > sizeof(TxPD)))
pmadapter->callbacks.moal_tp_accounting(
pmadapter->pmoal_handle, pmbuf_src->pdesc, 3);
pra_list->total_pkts--;
/* decrement for every PDU taken from the list */
priv->wmm.pkts_queued[ptrindex]--;
util_scalar_decrement(pmadapter->pmoal_handle,
&priv->wmm.tx_pkts_queued, MNULL, MNULL);
pmadapter->callbacks.moal_spin_unlock(
pmadapter->pmoal_handle, priv->wmm.ra_list_spinlock);
if (pmbuf_src) {
pkt_size += wlan_11n_form_amsdu_pkt(
pmadapter, (data + pkt_size),
pmbuf_src->pbuf + pmbuf_src->data_offset,
pmbuf_src->data_len, &pad);
DBG_HEXDUMP(MDAT_D, "pmbuf_src", pmbuf_src,
sizeof(mlan_buffer));
wlan_write_data_complete(pmadapter, pmbuf_src,
MLAN_STATUS_SUCCESS);
}
pmadapter->callbacks.moal_spin_lock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
if (!wlan_is_ralist_valid(priv, pra_list, ptrindex)) {
pmadapter->callbacks.moal_spin_unlock(
pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
LEAVE();
return MLAN_STATUS_FAILURE;
}
pmbuf_src =
(pmlan_buffer)util_peek_list(pmadapter->pmoal_handle,
&pra_list->buf_head, MNULL,
MNULL);
priv->msdu_in_tx_amsdu_cnt++;
msdu_in_tx_amsdu_cnt++;
}
pmadapter->callbacks.moal_spin_unlock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
/* Last AMSDU packet does not need padding */
pkt_size -= pad;
pmbuf_aggr->data_len = pkt_size;
wlan_11n_update_pktlen_amsdu_txpd(priv, pmbuf_aggr);
pmbuf_aggr->data_len += headroom;
pmbuf_aggr->pbuf = data - headroom;
tx_param.next_pkt_len =
((pmbuf_src) ? pmbuf_src->data_len + sizeof(TxPD) : 0);
/* Collects TP statistics */
if (pmadapter->tp_state_on) {
pmadapter->callbacks.moal_tp_accounting(pmadapter->pmoal_handle,
pmbuf_aggr, 4);
pmadapter->callbacks.moal_tp_accounting_rx_param(
pmadapter->pmoal_handle, 5, msdu_in_tx_amsdu_cnt);
}
/* Drop Tx packets at drop point 4 */
if (pmadapter->tp_state_drop_point == 4) {
wlan_write_data_complete(pmadapter, pmbuf_aggr, ret);
goto exit;
} else
ret = pmadapter->ops.host_to_card(priv, MLAN_TYPE_DATA,
pmbuf_aggr, &tx_param);
switch (ret) {
#ifdef USB
case MLAN_STATUS_PRESOURCE:
PRINTM(MINFO, "MLAN_STATUS_PRESOURCE is returned\n");
break;
#endif
case MLAN_STATUS_RESOURCE:
pmadapter->callbacks.moal_spin_lock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
if (!wlan_is_ralist_valid(priv, pra_list, ptrindex)) {
pmadapter->callbacks.moal_spin_unlock(
pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
pmbuf_aggr->status_code = MLAN_ERROR_PKT_INVALID;
wlan_write_data_complete(pmadapter, pmbuf_aggr,
MLAN_STATUS_FAILURE);
LEAVE();
return MLAN_STATUS_FAILURE;
}
#ifdef STA_SUPPORT
/* reset tx_lock_flag */
if ((GET_BSS_ROLE(priv) == MLAN_BSS_ROLE_STA) &&
pmadapter->pps_uapsd_mode &&
(pmadapter->tx_lock_flag == MTRUE)) {
pmadapter->tx_lock_flag = MFALSE;
if (ptx_pd != MNULL)
ptx_pd->flags = 0;
}
#endif
util_enqueue_list_head(pmadapter->pmoal_handle,
&pra_list->buf_head,
(pmlan_linked_list)pmbuf_aggr, MNULL,
MNULL);
pra_list->total_pkts++;
/* add back only one: aggregated packet is requeued as one */
priv->wmm.pkts_queued[ptrindex]++;
util_scalar_increment(pmadapter->pmoal_handle,
&priv->wmm.tx_pkts_queued, MNULL, MNULL);
pmbuf_aggr->flags |= MLAN_BUF_FLAG_REQUEUED_PKT;
pmadapter->callbacks.moal_spin_unlock(
pmadapter->pmoal_handle, priv->wmm.ra_list_spinlock);
PRINTM(MINFO, "MLAN_STATUS_RESOURCE is returned\n");
pmbuf_aggr->status_code = MLAN_ERROR_PKT_INVALID;
break;
case MLAN_STATUS_FAILURE:
pmbuf_aggr->status_code = MLAN_ERROR_DATA_TX_FAIL;
pmadapter->dbg.num_tx_host_to_card_failure++;
wlan_write_data_complete(pmadapter, pmbuf_aggr, ret);
goto exit;
case MLAN_STATUS_PENDING:
break;
case MLAN_STATUS_SUCCESS:
wlan_write_data_complete(pmadapter, pmbuf_aggr, ret);
break;
default:
break;
}
if (ret != MLAN_STATUS_RESOURCE) {
pmadapter->callbacks.moal_spin_lock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
if (wlan_is_ralist_valid(priv, pra_list, ptrindex)) {
priv->wmm.packets_out[ptrindex]++;
priv->wmm.tid_tbl_ptr[ptrindex].ra_list_curr = pra_list;
}
pmadapter->bssprio_tbl[priv->bss_priority].bssprio_cur =
pmadapter->bssprio_tbl[priv->bss_priority]
.bssprio_cur->pnext;
pmadapter->callbacks.moal_spin_unlock(
pmadapter->pmoal_handle, priv->wmm.ra_list_spinlock);
}
PRINTM_GET_SYS_TIME(MDATA, &sec, &usec);
PRINTM_NETINTF(MDATA, priv);
PRINTM(MDATA, "%lu.%06lu : Data => FW\n", sec, usec);
priv->amsdu_tx_cnt++;
exit:
LEAVE();
return pkt_size + headroom;
}