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mwifiex/mxm_wifiex/wlan_src/mlan/mlan_wmm.c
Sherry Sun 26246bf60a mxm_wifiex: update to mxm6x17408.p2 release 
Corresponding firmware version:
SDIO-UART W8987 Firmware version 16.92.21.p99.2
PCIE-UART W8997 Firmware version 16.92.21.p84.4
SDIO-UART W8997 Firmware version 16.92.21.p84.4
SDIO-UART IW416 Firmware version 16.92.21.p84.3
SDIO_UART IW612 Firmware version 18.99.2.p19.15
SDIO-UART W8801 Firmware version 14.92.36.p182
SDIO-UART W9098 Firmware version 17.92.1.p136.131
PCIE-UART W9098 Firmware version 17.92.1.p136.131

Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
2023-08-26 15:35:06 +08:00

3728 lines
103 KiB
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/** @file mlan_wmm.c
*
* @brief This file contains functions for WMM.
*
*
* 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:
10/24/2008: initial version
********************************************************/
#include "mlan.h"
#ifdef STA_SUPPORT
#include "mlan_join.h"
#endif
#include "mlan_util.h"
#include "mlan_fw.h"
#include "mlan_main.h"
#include "mlan_wmm.h"
#include "mlan_11n.h"
#include "mlan_11ax.h"
#ifdef SDIO
#include "mlan_sdio.h"
#endif /* SDIO */
#ifdef PCIE
#include "mlan_pcie.h"
#endif /* PCIE */
/********************************************************
Local Variables
********************************************************/
/** WMM information IE */
static const t_u8 wmm_info_ie[] = {WMM_IE, 0x07, 0x00, 0x50, 0xf2,
0x02, 0x00, 0x01, 0x00};
/** Type enumeration of WMM AC_QUEUES */
typedef MLAN_PACK_START enum _wmm_ac_e {
AC_BE,
AC_BK,
AC_VI,
AC_VO
} MLAN_PACK_END wmm_ac_e;
/**
* AC Priorities go from AC_BK to AC_VO. The ACI enumeration for AC_BK (1)
* is higher than the enumeration for AC_BE (0); hence the needed
* mapping conversion for wmm AC to priority Queue Index
*/
static const t_u8 wmm_aci_to_qidx_map[] = {WMM_AC_BE, WMM_AC_BK, WMM_AC_VI,
WMM_AC_VO};
/**
* This table will be used to store the tid values based on ACs.
* It is initialized to default values per TID.
*/
static t_u8 tos_to_tid[] = {
/* TID DSCP_P2 DSCP_P1 DSCP_P0 WMM_AC */
0x01, /* 0 1 0 AC_BK */
0x02, /* 0 0 0 AC_BK */
0x00, /* 0 0 1 AC_BE */
0x03, /* 0 1 1 AC_BE */
0x04, /* 1 0 0 AC_VI */
0x05, /* 1 0 1 AC_VI */
0x06, /* 1 1 0 AC_VO */
0x07 /* 1 1 1 AC_VO */
};
/**
* This table inverses the tos_to_tid operation to get a priority
* which is in sequential order, and can be compared.
* Use this to compare the priority of two different TIDs.
*/
t_u8 tos_to_tid_inv[] = {0x02, /* from tos_to_tid[2] = 0 */
0x00, /* from tos_to_tid[0] = 1 */
0x01, /* from tos_to_tid[1] = 2 */
0x03, 0x04, 0x05, 0x06, 0x07};
/**
* This table will provide the tid value for given ac. This table does not
* change and will be used to copy back the default values to tos_to_tid in
* case of disconnect.
*/
t_u8 ac_to_tid[4][2] = {{1, 2}, {0, 3}, {4, 5}, {6, 7}};
/* Map of TOS UP values to WMM AC */
static const mlan_wmm_ac_e tos_to_ac[] = {WMM_AC_BE, WMM_AC_BK, WMM_AC_BK,
WMM_AC_BE, WMM_AC_VI, WMM_AC_VI,
WMM_AC_VO, WMM_AC_VO};
raListTbl *wlan_wmm_get_ralist_node(pmlan_private priv, t_u8 tid,
t_u8 *ra_addr);
/********************************************************
Local Functions
********************************************************/
#ifdef DEBUG_LEVEL2
/**
* @brief Debug print function to display the priority parameters for a WMM AC
*
* @param pac_param Pointer to the AC parameters to display
*
* @return N/A
*/
static void
wlan_wmm_ac_debug_print(const IEEEtypes_WmmAcParameters_t *pac_param)
{
const char *ac_str[] = {"BK", "BE", "VI", "VO"};
ENTER();
PRINTM(MINFO,
"WMM AC_%s: ACI=%d, ACM=%d, Aifsn=%d, "
"EcwMin=%d, EcwMax=%d, TxopLimit=%d\n",
ac_str[wmm_aci_to_qidx_map[pac_param->aci_aifsn.aci]],
pac_param->aci_aifsn.aci, pac_param->aci_aifsn.acm,
pac_param->aci_aifsn.aifsn, pac_param->ecw.ecw_min,
pac_param->ecw.ecw_max,
wlan_le16_to_cpu(pac_param->tx_op_limit));
LEAVE();
}
/** Print the WMM AC for debug purpose */
#define PRINTM_AC(pac_param) wlan_wmm_ac_debug_print(pac_param)
#else
/** Print the WMM AC for debug purpose */
#define PRINTM_AC(pac_param)
#endif
/**
* @brief Allocate route address
*
* @param pmadapter Pointer to the mlan_adapter structure
* @param ra Pointer to the route address
*
* @return ra_list
*/
static raListTbl *wlan_wmm_allocate_ralist_node(pmlan_adapter pmadapter,
t_u8 *ra)
{
raListTbl *ra_list = MNULL;
ENTER();
if (pmadapter->callbacks.moal_malloc(pmadapter->pmoal_handle,
sizeof(raListTbl), MLAN_MEM_DEF,
(t_u8 **)&ra_list)) {
PRINTM(MERROR, "Fail to allocate ra_list\n");
goto done;
}
util_init_list((pmlan_linked_list)ra_list);
util_init_list_head((t_void *)pmadapter->pmoal_handle,
&ra_list->buf_head, MFALSE,
pmadapter->callbacks.moal_init_lock);
memcpy_ext(pmadapter, ra_list->ra, ra, MLAN_MAC_ADDR_LENGTH,
MLAN_MAC_ADDR_LENGTH);
ra_list->del_ba_count = 0;
ra_list->total_pkts = 0;
ra_list->tx_pause = 0;
PRINTM(MINFO, "RAList: Allocating buffers for TID %p\n", ra_list);
done:
LEAVE();
return ra_list;
}
/**
* @brief Add packet to TDLS pending TX queue
*
* @param priv A pointer to mlan_private
* @param pmbuf Pointer to the mlan_buffer data struct
*
* @return N/A
*/
static t_void wlan_add_buf_tdls_txqueue(pmlan_private priv, pmlan_buffer pmbuf)
{
mlan_adapter *pmadapter = priv->adapter;
ENTER();
util_enqueue_list_tail(pmadapter->pmoal_handle, &priv->tdls_pending_txq,
(pmlan_linked_list)pmbuf,
pmadapter->callbacks.moal_spin_lock,
pmadapter->callbacks.moal_spin_unlock);
LEAVE();
}
/**
* @brief Clean up the tdls pending TX queue
*
* @param priv A pointer to mlan_private
*
* @return N/A
*/
static t_void wlan_cleanup_tdls_txq(pmlan_private priv)
{
pmlan_buffer pmbuf;
mlan_adapter *pmadapter = priv->adapter;
ENTER();
pmadapter->callbacks.moal_spin_lock(pmadapter->pmoal_handle,
priv->tdls_pending_txq.plock);
while ((pmbuf = (pmlan_buffer)util_peek_list(pmadapter->pmoal_handle,
&priv->tdls_pending_txq,
MNULL, MNULL))) {
util_unlink_list(pmadapter->pmoal_handle,
&priv->tdls_pending_txq,
(pmlan_linked_list)pmbuf, MNULL, MNULL);
wlan_write_data_complete(pmadapter, pmbuf, MLAN_STATUS_FAILURE);
}
pmadapter->callbacks.moal_spin_unlock(pmadapter->pmoal_handle,
priv->tdls_pending_txq.plock);
LEAVE();
}
/**
* @brief Map ACs to TID
*
* @param priv Pointer to the mlan_private driver data struct
* @param queue_priority Queue_priority structure
*
* @return N/A
*/
static void wlan_wmm_queue_priorities_tid(pmlan_private priv,
t_u8 queue_priority[])
{
int i;
ENTER();
for (i = 0; i < 4; ++i) {
tos_to_tid[7 - (i * 2)] = ac_to_tid[queue_priority[i]][1];
tos_to_tid[6 - (i * 2)] = ac_to_tid[queue_priority[i]][0];
}
for (i = 0; i < MAX_NUM_TID; i++)
tos_to_tid_inv[tos_to_tid[i]] = (t_u8)i;
/* in case priorities have changed, force highest priority so
* next packet will check from top to re-establish the highest
*/
util_scalar_write(priv->adapter->pmoal_handle,
&priv->wmm.highest_queued_prio, HIGH_PRIO_TID,
priv->adapter->callbacks.moal_spin_lock,
priv->adapter->callbacks.moal_spin_unlock);
LEAVE();
}
/**
* @brief Evaluate whether or not an AC is to be downgraded
*
* @param priv Pointer to the mlan_private driver data struct
* @param eval_ac AC to evaluate for downgrading
*
* @return WMM AC The eval_ac traffic is to be sent on.
*/
static mlan_wmm_ac_e wlan_wmm_eval_downgrade_ac(pmlan_private priv,
mlan_wmm_ac_e eval_ac)
{
int down_ac;
mlan_wmm_ac_e ret_ac;
WmmAcStatus_t *pac_status;
ENTER();
pac_status = &priv->wmm.ac_status[eval_ac];
if (pac_status->disabled == MFALSE) {
LEAVE();
/* Okay to use this AC, its enabled */
return eval_ac;
}
/* Setup a default return value of the lowest priority */
ret_ac = WMM_AC_BK;
/*
* Find the highest AC that is enabled and does not require admission
* control. The spec disallows downgrading to an AC, which is enabled
* due to a completed admission control. Unadmitted traffic is not
* to be sent on an AC with admitted traffic.
*/
for (down_ac = WMM_AC_BK; down_ac < eval_ac; down_ac++) {
pac_status = &priv->wmm.ac_status[down_ac];
if ((pac_status->disabled == MFALSE) &&
(pac_status->flow_required == MFALSE))
/* AC is enabled and does not require admission control
*/
ret_ac = (mlan_wmm_ac_e)down_ac;
}
LEAVE();
return ret_ac;
}
/**
* @brief Convert the IP TOS field to an WMM AC Queue assignment
*
* @param pmadapter A pointer to mlan_adapter structure
* @param tos IP TOS field
*
* @return WMM AC Queue mapping of the IP TOS field
*/
mlan_wmm_ac_e wlan_wmm_convert_tos_to_ac(pmlan_adapter pmadapter, t_u32 tos)
{
ENTER();
if (tos >= NELEMENTS(tos_to_ac)) {
LEAVE();
return WMM_AC_BE;
}
LEAVE();
return tos_to_ac[tos];
}
/**
* @brief Evaluate a given TID and downgrade it to a lower TID if the
* WMM Parameter IE received from the AP indicates that the AP
* is disabled (due to call admission control (ACM bit). Mapping
* of TID to AC is taken care internally
*
* @param priv Pointer to the mlan_private data struct
* @param tid tid to evaluate for downgrading
*
* @return Same tid as input if downgrading not required or
* the tid the traffic for the given tid should be downgraded to
*/
static INLINE t_u8 wlan_wmm_downgrade_tid(pmlan_private priv, t_u32 tid)
{
mlan_wmm_ac_e ac_down;
pmlan_adapter pmadapter = priv->adapter;
ENTER();
ac_down = priv->wmm.ac_down_graded_vals[wlan_wmm_convert_tos_to_ac(
pmadapter, tid)];
LEAVE();
/*
* Send the index to tid array, picking from the array will be
* taken care by dequeuing function
*/
if (tid == 1 || tid == 2)
return ac_to_tid[ac_down][(tid + 1) % 2];
else if (tid >= MAX_NUM_TID)
return ac_to_tid[ac_down][0];
else
return ac_to_tid[ac_down][tid % 2];
}
/**
* @brief Delete packets in RA node
*
* @param priv Pointer to the mlan_private driver data struct
* @param ra_list Pointer to raListTbl
*
* @return N/A
*/
static INLINE void wlan_wmm_del_pkts_in_ralist_node(pmlan_private priv,
raListTbl *ra_list)
{
pmlan_buffer pmbuf;
pmlan_adapter pmadapter = priv->adapter;
ENTER();
while ((pmbuf = (pmlan_buffer)util_peek_list(pmadapter->pmoal_handle,
&ra_list->buf_head, MNULL,
MNULL))) {
util_unlink_list(pmadapter->pmoal_handle, &ra_list->buf_head,
(pmlan_linked_list)pmbuf, MNULL, MNULL);
wlan_write_data_complete(pmadapter, pmbuf, MLAN_STATUS_FAILURE);
}
util_free_list_head((t_void *)pmadapter->pmoal_handle,
&ra_list->buf_head,
pmadapter->callbacks.moal_free_lock);
LEAVE();
}
/**
* @brief Delete packets in RA list
*
* @param priv Pointer to the mlan_private driver data struct
* @param ra_list_head ra list header
*
* @return N/A
*/
static INLINE void wlan_wmm_del_pkts_in_ralist(pmlan_private priv,
mlan_list_head *ra_list_head)
{
raListTbl *ra_list;
ENTER();
ra_list = (raListTbl *)util_peek_list(priv->adapter->pmoal_handle,
ra_list_head, MNULL, MNULL);
while (ra_list && ra_list != (raListTbl *)ra_list_head) {
wlan_wmm_del_pkts_in_ralist_node(priv, ra_list);
ra_list = ra_list->pnext;
}
LEAVE();
}
/**
* @brief Clean up the wmm queue
*
* @param priv Pointer to the mlan_private driver data struct
*
* @return N/A
*/
static void wlan_wmm_cleanup_queues(pmlan_private priv)
{
int i;
ENTER();
for (i = 0; i < MAX_NUM_TID; i++) {
wlan_wmm_del_pkts_in_ralist(priv,
&priv->wmm.tid_tbl_ptr[i].ra_list);
priv->wmm.pkts_queued[i] = 0;
priv->wmm.pkts_paused[i] = 0;
}
util_scalar_write(priv->adapter->pmoal_handle,
&priv->wmm.tx_pkts_queued, 0, MNULL, MNULL);
util_scalar_write(priv->adapter->pmoal_handle,
&priv->wmm.highest_queued_prio, HIGH_PRIO_TID, MNULL,
MNULL);
LEAVE();
}
/**
* @brief Delete all route address from RA list
*
* @param priv Pointer to the mlan_private driver data struct
*
* @return N/A
*/
static void wlan_wmm_delete_all_ralist(pmlan_private priv)
{
raListTbl *ra_list;
int i;
pmlan_adapter pmadapter = priv->adapter;
ENTER();
for (i = 0; i < MAX_NUM_TID; ++i) {
PRINTM(MINFO, "RAList: Freeing buffers for TID %d\n", i);
while ((ra_list = (raListTbl *)util_peek_list(
pmadapter->pmoal_handle,
&priv->wmm.tid_tbl_ptr[i].ra_list, MNULL,
MNULL))) {
util_unlink_list(pmadapter->pmoal_handle,
&priv->wmm.tid_tbl_ptr[i].ra_list,
(pmlan_linked_list)ra_list, MNULL,
MNULL);
pmadapter->callbacks.moal_mfree(pmadapter->pmoal_handle,
(t_u8 *)ra_list);
}
util_init_list(
(pmlan_linked_list)&priv->wmm.tid_tbl_ptr[i].ra_list);
priv->wmm.tid_tbl_ptr[i].ra_list_curr = MNULL;
}
LEAVE();
}
/**
* @brief Get queue RA pointer
*
* @param priv Pointer to the mlan_private driver data struct
* @param tid TID
* @param ra_addr Pointer to the route address
*
* @return ra_list
*/
static raListTbl *wlan_wmm_get_queue_raptr(pmlan_private priv, t_u8 tid,
t_u8 *ra_addr)
{
raListTbl *ra_list;
#ifdef UAP_SUPPORT
t_u8 bcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
#endif
ENTER();
ra_list = wlan_wmm_get_ralist_node(priv, tid, ra_addr);
if (ra_list) {
LEAVE();
return ra_list;
}
#ifdef UAP_SUPPORT
if ((GET_BSS_ROLE(priv) == MLAN_BSS_ROLE_UAP) &&
(0 !=
memcmp(priv->adapter, ra_addr, bcast_addr, sizeof(bcast_addr)))) {
if (MNULL == wlan_get_station_entry(priv, ra_addr)) {
PRINTM_NETINTF(MERROR, priv);
PRINTM(MERROR,
"Drop packets to unknow station " MACSTR "\n",
MAC2STR(ra_addr));
LEAVE();
return MNULL;
}
}
#endif
wlan_ralist_add(priv, ra_addr);
ra_list = wlan_wmm_get_ralist_node(priv, tid, ra_addr);
LEAVE();
return ra_list;
}
#ifdef STA_SUPPORT
/**
* @brief Sends wmmac host event
*
* @param priv Pointer to the mlan_private driver data struct
* @param type_str Type of host event
* @param src_addr Pointer to the source Address
* @param tid TID
* @param up User priority
* @param status Status code or Reason code
*
* @return N/A
*/
static void wlan_send_wmmac_host_event(pmlan_private priv, char *type_str,
t_u8 *src_addr, t_u8 tid, t_u8 up,
t_u8 status)
{
t_u8 event_buf[100];
mlan_event *pevent;
t_u8 *pout_buf;
ENTER();
/* Format one of the following two output strings:
** - TSPEC:ADDTS_RSP:[<status code>]:TID=X:UP=Y
** - TSPEC:DELTS_RX:[<reason code>]:TID=X:UP=Y
*/
pevent = (mlan_event *)event_buf;
pout_buf = pevent->event_buf;
memcpy_ext(priv->adapter, pout_buf, (t_u8 *)"TSPEC:", 6, 6);
pout_buf += 6;
memcpy_ext(priv->adapter, pout_buf, (t_u8 *)type_str,
wlan_strlen(type_str), wlan_strlen(type_str));
pout_buf += wlan_strlen(type_str);
*pout_buf++ = ':';
*pout_buf++ = '[';
if (status >= 100) {
*pout_buf++ = (status / 100) + '0';
status = (status % 100);
}
if (status >= 10) {
*pout_buf++ = (status / 10) + '0';
status = (status % 10);
}
*pout_buf++ = status + '0';
memcpy_ext(priv->adapter, pout_buf, (t_u8 *)"]:TID", 5, 5);
pout_buf += 5;
*pout_buf++ = tid + '0';
memcpy_ext(priv->adapter, pout_buf, (t_u8 *)":UP", 3, 3);
pout_buf += 3;
*pout_buf++ = up + '0';
*pout_buf = '\0';
pevent->bss_index = priv->bss_index;
pevent->event_id = MLAN_EVENT_ID_DRV_REPORT_STRING;
pevent->event_len = wlan_strlen((const char *)(pevent->event_buf));
wlan_recv_event(priv, MLAN_EVENT_ID_DRV_REPORT_STRING, pevent);
LEAVE();
}
#endif /* STA_SUPPORT */
/**
* @brief This function gets the highest priority list pointer
*
* @param pmadapter A pointer to mlan_adapter
* @param priv A pointer to mlan_private
* @param tid A pointer to return tid
*
* @return raListTbl
*/
static raListTbl *wlan_wmm_get_highest_priolist_ptr(pmlan_adapter pmadapter,
pmlan_private *priv,
int *tid)
{
pmlan_private priv_tmp;
raListTbl *ptr, *head;
mlan_bssprio_node *bssprio_node, *bssprio_head;
tid_tbl_t *tid_ptr;
int i, j;
int next_prio = 0;
int next_tid = 0;
ENTER();
PRINTM(MDAT_D, "POP\n");
for (j = pmadapter->priv_num - 1; j >= 0; --j) {
if (!(util_peek_list(pmadapter->pmoal_handle,
&pmadapter->bssprio_tbl[j].bssprio_head,
MNULL, MNULL)))
continue;
if (pmadapter->bssprio_tbl[j].bssprio_cur ==
(mlan_bssprio_node *)&pmadapter->bssprio_tbl[j]
.bssprio_head) {
pmadapter->bssprio_tbl[j].bssprio_cur =
pmadapter->bssprio_tbl[j].bssprio_cur->pnext;
}
bssprio_head = bssprio_node =
pmadapter->bssprio_tbl[j].bssprio_cur;
do {
priv_tmp = bssprio_node->priv;
if ((priv_tmp->port_ctrl_mode == MTRUE) &&
(priv_tmp->port_open == MFALSE)) {
PRINTM(MINFO,
"get_highest_prio_ptr(): "
"PORT_CLOSED Ignore pkts from BSS%d\n",
priv_tmp->bss_index);
/* Ignore data pkts from a BSS if port is closed
*/
goto next_intf;
}
if (priv_tmp->tx_pause == MTRUE) {
PRINTM(MINFO,
"get_highest_prio_ptr(): "
"TX PASUE Ignore pkts from BSS%d\n",
priv_tmp->bss_index);
/* Ignore data pkts from a BSS if tx pause */
goto next_intf;
}
#if defined(USB)
if (!wlan_is_port_ready(pmadapter,
priv_tmp->port_index)) {
PRINTM(MINFO,
"get_highest_prio_ptr(): "
"usb port is busy,Ignore pkts from BSS%d\n",
priv_tmp->bss_index);
/* Ignore data pkts from a BSS if usb port is
* busy */
goto next_intf;
}
#endif
pmadapter->callbacks.moal_spin_lock(
pmadapter->pmoal_handle,
priv_tmp->wmm.ra_list_spinlock);
for (i = util_scalar_read(
pmadapter->pmoal_handle,
&priv_tmp->wmm.highest_queued_prio, MNULL,
MNULL);
i >= LOW_PRIO_TID; --i) {
tid_ptr = &(priv_tmp)
->wmm
.tid_tbl_ptr[tos_to_tid[i]];
if (!util_peek_list(pmadapter->pmoal_handle,
&tid_ptr->ra_list, MNULL,
MNULL))
continue;
/*
* Always choose the next ra we transmitted
* last time, this way we pick the ra's in
* round robin fashion.
*/
head = ptr = tid_ptr->ra_list_curr->pnext;
if (ptr == (raListTbl *)&tid_ptr->ra_list)
head = ptr = ptr->pnext;
do {
if (!ptr->tx_pause &&
util_peek_list(
pmadapter->pmoal_handle,
&ptr->buf_head, MNULL,
MNULL)) {
/* Because WMM only support
* BK/BE/VI/VO, we have 8 tid
* We should balance the traffic
* of the same AC */
if (i % 2)
next_prio = i - 1;
else
next_prio = i + 1;
next_tid =
tos_to_tid[next_prio];
if (priv_tmp->wmm.pkts_queued
[next_tid] &&
(priv_tmp->wmm.pkts_queued
[next_tid] >
priv_tmp->wmm.pkts_paused
[next_tid]))
util_scalar_write(
pmadapter->pmoal_handle,
&priv_tmp->wmm
.highest_queued_prio,
next_prio,
MNULL, MNULL);
else
/* if
* highest_queued_prio >
* i, set it to i */
util_scalar_conditional_write(
pmadapter->pmoal_handle,
&priv_tmp->wmm
.highest_queued_prio,
MLAN_SCALAR_COND_GREATER_THAN,
i, i, MNULL,
MNULL);
*priv = priv_tmp;
*tid = tos_to_tid[i];
/* hold priv->ra_list_spinlock
* to maintain ptr */
PRINTM(MDAT_D,
"get highest prio ptr %p, tid %d\n",
ptr, *tid);
LEAVE();
return ptr;
}
ptr = ptr->pnext;
if (ptr ==
(raListTbl *)&tid_ptr->ra_list)
ptr = ptr->pnext;
} while (ptr != head);
}
/* If priv still has packets queued, reset to
* HIGH_PRIO_TID */
if (util_scalar_read(pmadapter->pmoal_handle,
&priv_tmp->wmm.tx_pkts_queued,
MNULL, MNULL))
util_scalar_write(
pmadapter->pmoal_handle,
&priv_tmp->wmm.highest_queued_prio,
HIGH_PRIO_TID, MNULL, MNULL);
else
/* No packet at any TID for this priv. Mark as
* such to skip checking TIDs for this priv
* (until pkt is added). */
util_scalar_write(
pmadapter->pmoal_handle,
&priv_tmp->wmm.highest_queued_prio,
NO_PKT_PRIO_TID, MNULL, MNULL);
pmadapter->callbacks.moal_spin_unlock(
pmadapter->pmoal_handle,
priv_tmp->wmm.ra_list_spinlock);
next_intf:
bssprio_node = bssprio_node->pnext;
if (bssprio_node ==
(mlan_bssprio_node *)&pmadapter->bssprio_tbl[j]
.bssprio_head)
bssprio_node = bssprio_node->pnext;
pmadapter->bssprio_tbl[j].bssprio_cur = bssprio_node;
} while (bssprio_node != bssprio_head);
}
LEAVE();
return MNULL;
}
/**
* @brief This function gets the number of packets in the Tx queue
*
* @param priv A pointer to mlan_private
* @param ptr A pointer to RA list table
* @param max_buf_size Maximum buffer size
*
* @return Packet count
*/
static int wlan_num_pkts_in_txq(mlan_private *priv, raListTbl *ptr,
int max_buf_size)
{
int count = 0, total_size = 0;
pmlan_buffer pmbuf;
ENTER();
for (pmbuf = (pmlan_buffer)ptr->buf_head.pnext;
pmbuf != (pmlan_buffer)(&ptr->buf_head); pmbuf = pmbuf->pnext) {
total_size += pmbuf->data_len;
if (total_size < max_buf_size)
++count;
else
break;
}
LEAVE();
return count;
}
/**
* @brief This function sends a single packet
*
* @param priv A pointer to mlan_private
* @param ptr A pointer to RA list table
* @param ptrindex ptr's TID index
*
* @return N/A
*/
static INLINE void wlan_send_single_packet(pmlan_private priv, raListTbl *ptr,
int ptrindex)
{
pmlan_buffer pmbuf;
pmlan_buffer pmbuf_next;
mlan_tx_param tx_param;
pmlan_adapter pmadapter = priv->adapter;
mlan_status status = MLAN_STATUS_SUCCESS;
ENTER();
pmbuf = (pmlan_buffer)util_dequeue_list(pmadapter->pmoal_handle,
&ptr->buf_head, MNULL, MNULL);
if (pmbuf) {
PRINTM(MINFO, "Dequeuing the packet %p %p\n", ptr, pmbuf);
priv->wmm.pkts_queued[ptrindex]--;
util_scalar_decrement(pmadapter->pmoal_handle,
&priv->wmm.tx_pkts_queued, MNULL, MNULL);
ptr->total_pkts--;
pmbuf_next = (pmlan_buffer)util_peek_list(
pmadapter->pmoal_handle, &ptr->buf_head, MNULL, MNULL);
pmadapter->callbacks.moal_spin_unlock(
pmadapter->pmoal_handle, priv->wmm.ra_list_spinlock);
tx_param.next_pkt_len =
((pmbuf_next) ? pmbuf_next->data_len + sizeof(TxPD) :
0);
status = wlan_process_tx(priv, pmbuf, &tx_param);
if (status == MLAN_STATUS_RESOURCE) {
/** Queue the packet back at the head */
PRINTM(MDAT_D, "Queuing pkt back to raList %p %p\n",
ptr, pmbuf);
pmadapter->callbacks.moal_spin_lock(
pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
if (!wlan_is_ralist_valid(priv, ptr, ptrindex)) {
pmadapter->callbacks.moal_spin_unlock(
pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
wlan_write_data_complete(pmadapter, pmbuf,
MLAN_STATUS_FAILURE);
LEAVE();
return;
}
priv->wmm.pkts_queued[ptrindex]++;
util_scalar_increment(pmadapter->pmoal_handle,
&priv->wmm.tx_pkts_queued, MNULL,
MNULL);
util_enqueue_list_head(pmadapter->pmoal_handle,
&ptr->buf_head,
(pmlan_linked_list)pmbuf, MNULL,
MNULL);
ptr->total_pkts++;
pmbuf->flags |= MLAN_BUF_FLAG_REQUEUED_PKT;
pmadapter->callbacks.moal_spin_unlock(
pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
} else {
pmadapter->callbacks.moal_spin_lock(
pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
if (wlan_is_ralist_valid(priv, ptr, ptrindex)) {
priv->wmm.packets_out[ptrindex]++;
priv->wmm.tid_tbl_ptr[ptrindex].ra_list_curr =
ptr;
}
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);
}
} else {
pmadapter->callbacks.moal_spin_unlock(
pmadapter->pmoal_handle, priv->wmm.ra_list_spinlock);
PRINTM(MINFO, "Nothing to send\n");
}
LEAVE();
}
/**
* @brief This function checks if this mlan_buffer is already processed.
*
* @param priv A pointer to mlan_private
* @param ptr A pointer to RA list table
*
* @return MTRUE or MFALSE
*/
static INLINE int wlan_is_ptr_processed(mlan_private *priv, raListTbl *ptr)
{
pmlan_buffer pmbuf;
pmbuf = (pmlan_buffer)util_peek_list(priv->adapter->pmoal_handle,
&ptr->buf_head, MNULL, MNULL);
if (pmbuf && (pmbuf->flags & MLAN_BUF_FLAG_REQUEUED_PKT))
return MTRUE;
return MFALSE;
}
/**
* @brief This function sends a single packet that has been processed
*
* @param priv A pointer to mlan_private
* @param ptr A pointer to RA list table
* @param ptrindex ptr's TID index
*
* @return N/A
*/
static INLINE void wlan_send_processed_packet(pmlan_private priv,
raListTbl *ptr, int ptrindex)
{
pmlan_buffer pmbuf_next = MNULL;
mlan_tx_param tx_param;
pmlan_buffer pmbuf;
pmlan_adapter pmadapter = priv->adapter;
mlan_status ret = MLAN_STATUS_FAILURE;
pmbuf = (pmlan_buffer)util_dequeue_list(pmadapter->pmoal_handle,
&ptr->buf_head, MNULL, MNULL);
if (pmbuf) {
pmbuf_next = (pmlan_buffer)util_peek_list(
pmadapter->pmoal_handle, &ptr->buf_head, MNULL, MNULL);
pmadapter->callbacks.moal_spin_unlock(
pmadapter->pmoal_handle, priv->wmm.ra_list_spinlock);
tx_param.next_pkt_len =
((pmbuf_next) ? pmbuf_next->data_len + sizeof(TxPD) :
0);
ret = pmadapter->ops.host_to_card(priv, MLAN_TYPE_DATA, pmbuf,
&tx_param);
switch (ret) {
#ifdef USB
case MLAN_STATUS_PRESOURCE:
PRINTM(MINFO, "MLAN_STATUS_PRESOURCE is returned\n");
break;
#endif
case MLAN_STATUS_RESOURCE:
PRINTM(MINFO, "MLAN_STATUS_RESOURCE is returned\n");
pmadapter->callbacks.moal_spin_lock(
pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
if (!wlan_is_ralist_valid(priv, ptr, ptrindex)) {
pmadapter->callbacks.moal_spin_unlock(
pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
wlan_write_data_complete(pmadapter, pmbuf,
MLAN_STATUS_FAILURE);
LEAVE();
return;
}
util_enqueue_list_head(pmadapter->pmoal_handle,
&ptr->buf_head,
(pmlan_linked_list)pmbuf, MNULL,
MNULL);
pmbuf->flags |= MLAN_BUF_FLAG_REQUEUED_PKT;
pmadapter->callbacks.moal_spin_unlock(
pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
break;
case MLAN_STATUS_FAILURE:
PRINTM(MERROR, "Error: Failed to write data\n");
pmadapter->dbg.num_tx_host_to_card_failure++;
pmbuf->status_code = MLAN_ERROR_DATA_TX_FAIL;
wlan_write_data_complete(pmadapter, pmbuf, ret);
break;
case MLAN_STATUS_PENDING:
break;
case MLAN_STATUS_SUCCESS:
DBG_HEXDUMP(MDAT_D, "Tx",
pmbuf->pbuf + pmbuf->data_offset,
MIN(pmbuf->data_len + sizeof(TxPD),
MAX_DATA_DUMP_LEN));
wlan_write_data_complete(pmadapter, pmbuf, 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, ptr, ptrindex)) {
priv->wmm.packets_out[ptrindex]++;
priv->wmm.tid_tbl_ptr[ptrindex].ra_list_curr =
ptr;
ptr->total_pkts--;
}
pmadapter->bssprio_tbl[priv->bss_priority].bssprio_cur =
pmadapter->bssprio_tbl[priv->bss_priority]
.bssprio_cur->pnext;
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);
}
} else {
pmadapter->callbacks.moal_spin_unlock(
pmadapter->pmoal_handle, priv->wmm.ra_list_spinlock);
}
}
/**
* @brief This function dequeues a packet
*
* @param pmadapter A pointer to mlan_adapter
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
static int wlan_dequeue_tx_packet(pmlan_adapter pmadapter)
{
raListTbl *ptr;
pmlan_private priv = MNULL;
int ptrindex = 0;
t_u8 ra[MLAN_MAC_ADDR_LENGTH];
int tid_del = 0;
int tid = 0;
mlan_buffer *pmbuf = MNULL;
ENTER();
ptr = wlan_wmm_get_highest_priolist_ptr(pmadapter, &priv, &ptrindex);
if (!ptr) {
LEAVE();
return MLAN_STATUS_FAILURE;
}
/* Note:- Spinlock is locked in wlan_wmm_get_highest_priolist_ptr
* when it returns a pointer (for the priv it returns),
* and is unlocked in wlan_send_processed_packet,
* wlan_send_single_packet or wlan_11n_aggregate_pkt.
* The spinlock would be required for some parts of both of function.
* But, the the bulk of these function will execute w/o spinlock.
* Unlocking the spinlock inside these function will help us avoid
* taking the spinlock again, check to see if the ptr is still
* valid and then proceed. This is done purely to increase
* execution time. */
/* Note:- Also, anybody adding code which does not get into
* wlan_send_processed_packet, wlan_send_single_packet, or
* wlan_11n_aggregate_pkt should make sure ra_list_spinlock
* is freed. Otherwise there would be a lock up. */
tid = wlan_get_tid(priv->adapter, ptr);
if (tid >= MAX_NUM_TID)
tid = wlan_wmm_downgrade_tid(priv, tid);
if (wlan_is_ptr_processed(priv, ptr)) {
wlan_send_processed_packet(priv, ptr, ptrindex);
LEAVE();
return MLAN_STATUS_SUCCESS;
}
if (ptr->del_ba_count >= DEL_BA_THRESHOLD)
wlan_update_del_ba_count(priv, ptr);
if (pmadapter->tp_state_on) {
pmbuf = (pmlan_buffer)util_peek_list(
pmadapter->pmoal_handle, &ptr->buf_head, MNULL, MNULL);
if (pmbuf) {
pmadapter->callbacks.moal_tp_accounting(
pmadapter->pmoal_handle, pmbuf, 3);
if (pmadapter->tp_state_drop_point == 3) {
pmbuf = (pmlan_buffer)util_dequeue_list(
pmadapter->pmoal_handle, &ptr->buf_head,
MNULL, MNULL);
PRINTM(MERROR, "Dequeuing the packet %p %p\n",
ptr, pmbuf);
priv->wmm.pkts_queued[ptrindex]--;
util_scalar_decrement(pmadapter->pmoal_handle,
&priv->wmm.tx_pkts_queued,
MNULL, MNULL);
ptr->total_pkts--;
pmadapter->callbacks.moal_spin_unlock(
pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
wlan_write_data_complete(pmadapter, pmbuf,
MLAN_STATUS_SUCCESS);
LEAVE();
return MLAN_STATUS_SUCCESS;
}
}
}
if (!ptr->is_wmm_enabled || priv->adapter->remain_on_channel ||
(ptr->ba_status || ptr->del_ba_count >= DEL_BA_THRESHOLD)
#ifdef STA_SUPPORT
|| priv->wps.session_enable
#endif /* STA_SUPPORT */
) {
if (ptr->is_wmm_enabled && ptr->ba_status &&
ptr->amsdu_in_ampdu &&
wlan_is_amsdu_allowed(priv, ptr, tid) &&
(wlan_num_pkts_in_txq(priv, ptr, pmadapter->tx_buf_size) >=
MIN_NUM_AMSDU)) {
wlan_11n_aggregate_pkt(priv, ptr, priv->intf_hr_len,
ptrindex);
} else
wlan_send_single_packet(priv, ptr, ptrindex);
} else {
if (wlan_is_ampdu_allowed(priv, ptr, tid) &&
(ptr->packet_count > ptr->ba_packet_threshold)) {
if (wlan_is_bastream_avail(priv)) {
PRINTM(MINFO,
"BA setup threshold %d reached. tid=%d\n",
ptr->packet_count, tid);
if (!wlan_11n_get_txbastream_tbl(
priv, tid, ptr->ra, MFALSE)) {
wlan_11n_create_txbastream_tbl(
priv, ptr->ra, tid,
BA_STREAM_SETUP_SENT_ADDBA);
wlan_send_addba(priv, tid, ptr->ra);
}
} else if (wlan_find_stream_to_delete(priv, ptr, tid,
&tid_del, ra)) {
PRINTM(MDAT_D, "tid_del=%d tid=%d\n", tid_del,
tid);
if (!wlan_11n_get_txbastream_tbl(
priv, tid, ptr->ra, MFALSE)) {
wlan_11n_create_txbastream_tbl(
priv, ptr->ra, tid,
BA_STREAM_SETUP_INPROGRESS);
wlan_11n_set_txbastream_status(
priv, tid_del, ra,
BA_STREAM_SENT_DELBA, MFALSE);
wlan_send_delba(priv, MNULL, tid_del,
ra, 1);
}
}
}
if (wlan_is_amsdu_allowed(priv, ptr, tid) &&
(wlan_num_pkts_in_txq(priv, ptr, pmadapter->tx_buf_size) >=
MIN_NUM_AMSDU)) {
wlan_11n_aggregate_pkt(priv, ptr, priv->intf_hr_len,
ptrindex);
} else {
wlan_send_single_packet(priv, ptr, ptrindex);
}
}
LEAVE();
return MLAN_STATUS_SUCCESS;
}
/**
* @brief update tx_pause flag in ra_list
*
* @param priv A pointer to mlan_private
* @param mac peer mac address
* @param tx_pause tx_pause flag (0/1)
*
*
* @return packets queued for this mac
*/
t_u16 wlan_update_ralist_tx_pause(pmlan_private priv, t_u8 *mac, t_u8 tx_pause)
{
raListTbl *ra_list;
int i;
pmlan_adapter pmadapter = priv->adapter;
t_u32 pkt_cnt = 0;
t_u32 tx_pkts_queued = 0;
ENTER();
pmadapter->callbacks.moal_spin_lock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
for (i = 0; i < MAX_NUM_TID; ++i) {
ra_list = wlan_wmm_get_ralist_node(priv, i, mac);
if (ra_list && ra_list->tx_pause != tx_pause) {
pkt_cnt += ra_list->total_pkts;
ra_list->tx_pause = tx_pause;
if (tx_pause)
priv->wmm.pkts_paused[i] += ra_list->total_pkts;
else
priv->wmm.pkts_paused[i] -= ra_list->total_pkts;
}
}
if (pkt_cnt) {
tx_pkts_queued = util_scalar_read(pmadapter->pmoal_handle,
&priv->wmm.tx_pkts_queued,
MNULL, MNULL);
if (tx_pause)
tx_pkts_queued -= pkt_cnt;
else
tx_pkts_queued += pkt_cnt;
util_scalar_write(priv->adapter->pmoal_handle,
&priv->wmm.tx_pkts_queued, tx_pkts_queued,
MNULL, MNULL);
util_scalar_write(priv->adapter->pmoal_handle,
&priv->wmm.highest_queued_prio, HIGH_PRIO_TID,
MNULL, MNULL);
}
pmadapter->callbacks.moal_spin_unlock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
LEAVE();
return pkt_cnt;
}
#ifdef STA_SUPPORT
/**
* @brief update tx_pause flag in none tdls ra_list
*
* @param priv A pointer to mlan_private
* @param mac peer mac address
* @param tx_pause tx_pause flag (0/1)
*
* @return N/A
*/
t_void wlan_update_non_tdls_ralist(mlan_private *priv, t_u8 *mac, t_u8 tx_pause)
{
raListTbl *ra_list;
int i;
pmlan_adapter pmadapter = priv->adapter;
t_u32 pkt_cnt = 0;
t_u32 tx_pkts_queued = 0;
ENTER();
pmadapter->callbacks.moal_spin_lock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
for (i = 0; i < MAX_NUM_TID; ++i) {
ra_list = (raListTbl *)util_peek_list(
priv->adapter->pmoal_handle,
&priv->wmm.tid_tbl_ptr[i].ra_list, MNULL, MNULL);
while (ra_list &&
(ra_list !=
(raListTbl *)&priv->wmm.tid_tbl_ptr[i].ra_list)) {
if (memcmp(priv->adapter, ra_list->ra, mac,
MLAN_MAC_ADDR_LENGTH) &&
ra_list->tx_pause != tx_pause) {
pkt_cnt += ra_list->total_pkts;
ra_list->tx_pause = tx_pause;
if (tx_pause)
priv->wmm.pkts_paused[i] +=
ra_list->total_pkts;
else
priv->wmm.pkts_paused[i] -=
ra_list->total_pkts;
}
ra_list = ra_list->pnext;
}
}
if (pkt_cnt) {
tx_pkts_queued = util_scalar_read(pmadapter->pmoal_handle,
&priv->wmm.tx_pkts_queued,
MNULL, MNULL);
if (tx_pause)
tx_pkts_queued -= pkt_cnt;
else
tx_pkts_queued += pkt_cnt;
util_scalar_write(priv->adapter->pmoal_handle,
&priv->wmm.tx_pkts_queued, tx_pkts_queued,
MNULL, MNULL);
util_scalar_write(priv->adapter->pmoal_handle,
&priv->wmm.highest_queued_prio, HIGH_PRIO_TID,
MNULL, MNULL);
}
pmadapter->callbacks.moal_spin_unlock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
LEAVE();
return;
}
/**
* @brief find tdls buffer from ralist
*
* @param priv A pointer to mlan_private
* @param ralist A pointer to ralistTbl
* @param mac TDLS peer mac address
*
* @return pmlan_buffer or MNULL
*/
static pmlan_buffer wlan_find_tdls_packets(mlan_private *priv,
raListTbl *ra_list, t_u8 *mac)
{
pmlan_buffer pmbuf = MNULL;
mlan_adapter *pmadapter = priv->adapter;
t_u8 ra[MLAN_MAC_ADDR_LENGTH];
ENTER();
pmbuf = (pmlan_buffer)util_peek_list(priv->adapter->pmoal_handle,
&ra_list->buf_head, MNULL, MNULL);
if (!pmbuf) {
LEAVE();
return MNULL;
}
while (pmbuf != (pmlan_buffer)&ra_list->buf_head) {
memcpy_ext(pmadapter, ra, pmbuf->pbuf + pmbuf->data_offset,
MLAN_MAC_ADDR_LENGTH, MLAN_MAC_ADDR_LENGTH);
if (!memcmp(priv->adapter, ra, mac, MLAN_MAC_ADDR_LENGTH)) {
LEAVE();
return pmbuf;
}
pmbuf = pmbuf->pnext;
}
LEAVE();
return MNULL;
}
/**
* @brief find tdls buffer from tdls pending queue
*
* @param priv A pointer to mlan_private
* @param mac TDLS peer mac address
*
* @return pmlan_buffer or MNULL
*/
static pmlan_buffer wlan_find_packets_tdls_txq(mlan_private *priv, t_u8 *mac)
{
pmlan_buffer pmbuf = MNULL;
mlan_adapter *pmadapter = priv->adapter;
t_u8 ra[MLAN_MAC_ADDR_LENGTH];
ENTER();
pmbuf = (pmlan_buffer)util_peek_list(priv->adapter->pmoal_handle,
&priv->tdls_pending_txq, MNULL,
MNULL);
if (!pmbuf) {
LEAVE();
return MNULL;
}
while (pmbuf != (pmlan_buffer)&priv->tdls_pending_txq) {
memcpy_ext(pmadapter, ra, pmbuf->pbuf + pmbuf->data_offset,
MLAN_MAC_ADDR_LENGTH, MLAN_MAC_ADDR_LENGTH);
if (!memcmp(priv->adapter, ra, mac, MLAN_MAC_ADDR_LENGTH)) {
LEAVE();
return pmbuf;
}
pmbuf = pmbuf->pnext;
}
LEAVE();
return MNULL;
}
/**
* @brief Remove TDLS ralist and move packets to AP's ralist
*
* @param priv A pointer to mlan_private
* @param mac TDLS peer mac address
*
* @return N/A
*/
static t_void wlan_wmm_delete_tdls_ralist(pmlan_private priv, t_u8 *mac)
{
raListTbl *ra_list;
raListTbl *ra_list_ap = MNULL;
int i;
pmlan_adapter pmadapter = priv->adapter;
pmlan_buffer pmbuf;
ENTER();
for (i = 0; i < MAX_NUM_TID; ++i) {
ra_list = wlan_wmm_get_ralist_node(priv, i, mac);
if (ra_list) {
PRINTM(MDATA, "delete TDLS ralist %p\n", ra_list);
ra_list_ap = (raListTbl *)util_peek_list(
pmadapter->pmoal_handle,
&priv->wmm.tid_tbl_ptr[i].ra_list, MNULL,
MNULL);
if (!ra_list_ap) {
LEAVE();
return;
}
while ((pmbuf = (pmlan_buffer)util_peek_list(
pmadapter->pmoal_handle,
&ra_list->buf_head, MNULL, MNULL))) {
util_unlink_list(pmadapter->pmoal_handle,
&ra_list->buf_head,
(pmlan_linked_list)pmbuf,
MNULL, MNULL);
util_enqueue_list_tail(pmadapter->pmoal_handle,
&ra_list_ap->buf_head,
(pmlan_linked_list)pmbuf,
MNULL, MNULL);
ra_list_ap->total_pkts++;
ra_list_ap->packet_count++;
}
util_free_list_head(
(t_void *)pmadapter->pmoal_handle,
&ra_list->buf_head,
pmadapter->callbacks.moal_free_lock);
util_unlink_list(pmadapter->pmoal_handle,
&priv->wmm.tid_tbl_ptr[i].ra_list,
(pmlan_linked_list)ra_list, MNULL,
MNULL);
pmadapter->callbacks.moal_mfree(pmadapter->pmoal_handle,
(t_u8 *)ra_list);
if (priv->wmm.tid_tbl_ptr[i].ra_list_curr == ra_list)
priv->wmm.tid_tbl_ptr[i].ra_list_curr =
ra_list_ap;
}
}
LEAVE();
}
#endif /* STA_SUPPORT */
/********************************************************
Global Functions
********************************************************/
/**
* @brief Get the threshold value for BA setup using system time.
*
* @param pmadapter Pointer to the mlan_adapter structure
*
* @return threshold value.
*/
t_u8 wlan_get_random_ba_threshold(pmlan_adapter pmadapter)
{
t_u32 sec, usec;
t_u8 ba_threshold = 0;
ENTER();
/* setup ba_packet_threshold here random number between
[BA_SETUP_PACKET_OFFSET,
BA_SETUP_PACKET_OFFSET+BA_SETUP_MAX_PACKET_THRESHOLD-1] */
#define BA_SETUP_MAX_PACKET_THRESHOLD 16
pmadapter->callbacks.moal_get_system_time(pmadapter->pmoal_handle, &sec,
&usec);
sec = (sec & 0xFFFF) + (sec >> 16);
usec = (usec & 0xFFFF) + (usec >> 16);
ba_threshold =
(t_u8)((((sec << 16) + usec) % BA_SETUP_MAX_PACKET_THRESHOLD) +
pmadapter->min_ba_threshold);
PRINTM(MINFO, "pmadapter->min_ba_threshold = %d\n",
pmadapter->min_ba_threshold);
PRINTM(MINFO, "setup BA after %d packets\n", ba_threshold);
LEAVE();
return ba_threshold;
}
/**
* @brief This function cleans Tx/Rx queues
*
* @param priv A pointer to mlan_private
*
* @return N/A
*/
t_void wlan_clean_txrx(pmlan_private priv)
{
mlan_adapter *pmadapter = priv->adapter;
t_u8 i = 0;
ENTER();
wlan_cleanup_bypass_txq(priv);
if (GET_BSS_ROLE(priv) == MLAN_BSS_ROLE_STA) {
wlan_cleanup_tdls_txq(priv);
}
wlan_11n_cleanup_reorder_tbl(priv);
wlan_11n_deleteall_txbastream_tbl(priv);
#if defined(USB)
if (IS_USB(pmadapter->card_type))
wlan_reset_usb_tx_aggr(priv->adapter);
#endif
#ifdef PCIE
if (IS_PCIE(pmadapter->card_type))
wlan_clean_pcie_ring_buf(priv->adapter);
#endif
pmadapter->callbacks.moal_spin_lock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
wlan_wmm_cleanup_queues(priv);
wlan_wmm_delete_all_ralist(priv);
memcpy_ext(pmadapter, tos_to_tid, ac_to_tid, sizeof(tos_to_tid),
sizeof(tos_to_tid));
for (i = 0; i < MAX_NUM_TID; i++)
tos_to_tid_inv[tos_to_tid[i]] = (t_u8)i;
#ifdef UAP_SUPPORT
priv->num_drop_pkts = 0;
#endif
#ifdef SDIO
if (IS_SD(pmadapter->card_type)) {
memset(pmadapter, pmadapter->pcard_sd->mpa_tx_count, 0,
sizeof(pmadapter->pcard_sd->mpa_tx_count));
pmadapter->pcard_sd->mpa_sent_no_ports = 0;
pmadapter->pcard_sd->mpa_sent_last_pkt = 0;
memset(pmadapter, pmadapter->pcard_sd->mpa_rx_count, 0,
sizeof(pmadapter->pcard_sd->mpa_rx_count));
}
#endif
pmadapter->callbacks.moal_spin_unlock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
LEAVE();
}
/**
* @brief Set the WMM queue priorities to their default values
*
* @param priv Pointer to the mlan_private driver data struct
*
* @return N/A
*/
void wlan_wmm_default_queue_priorities(pmlan_private priv)
{
ENTER();
/* Default queue priorities: VO->VI->BE->BK */
priv->wmm.queue_priority[0] = WMM_AC_VO;
priv->wmm.queue_priority[1] = WMM_AC_VI;
priv->wmm.queue_priority[2] = WMM_AC_BE;
priv->wmm.queue_priority[3] = WMM_AC_BK;
LEAVE();
}
/**
* @brief Initialize WMM priority queues
*
* @param priv Pointer to the mlan_private driver data struct
* @param pwmm_ie Pointer to the IEEEtypes_WmmParameter_t data struct
*
* @return N/A
*/
void wlan_wmm_setup_queue_priorities(pmlan_private priv,
IEEEtypes_WmmParameter_t *pwmm_ie)
{
t_u16 cw_min, avg_back_off, tmp[4];
t_u32 i, j, num_ac;
t_u8 ac_idx;
ENTER();
if (!pwmm_ie || priv->wmm_enabled == MFALSE) {
/* WMM is not enabled, just set the defaults and return */
wlan_wmm_default_queue_priorities(priv);
LEAVE();
return;
}
memset(priv->adapter, tmp, 0, sizeof(tmp));
HEXDUMP("WMM: setup_queue_priorities: param IE", (t_u8 *)pwmm_ie,
sizeof(IEEEtypes_WmmParameter_t));
PRINTM(MINFO,
"WMM Parameter IE: version=%d, "
"qos_info Parameter Set Count=%d, Reserved=%#x\n",
pwmm_ie->vend_hdr.version, pwmm_ie->qos_info.para_set_count,
pwmm_ie->reserved);
for (num_ac = 0; num_ac < NELEMENTS(pwmm_ie->ac_params); num_ac++) {
cw_min = (1 << pwmm_ie->ac_params[num_ac].ecw.ecw_min) - 1;
avg_back_off = (cw_min >> 1) +
pwmm_ie->ac_params[num_ac].aci_aifsn.aifsn;
ac_idx = wmm_aci_to_qidx_map[pwmm_ie->ac_params[num_ac]
.aci_aifsn.aci];
priv->wmm.queue_priority[ac_idx] = ac_idx;
tmp[ac_idx] = avg_back_off;
PRINTM(MCMND, "WMM: CWmax=%d CWmin=%d Avg Back-off=%d\n",
(1 << pwmm_ie->ac_params[num_ac].ecw.ecw_max) - 1,
cw_min, avg_back_off);
PRINTM_AC(&pwmm_ie->ac_params[num_ac]);
}
HEXDUMP("WMM: avg_back_off", (t_u8 *)tmp, sizeof(tmp));
HEXDUMP("WMM: queue_priority", priv->wmm.queue_priority,
sizeof(priv->wmm.queue_priority));
/* Bubble sort */
for (i = 0; i < num_ac; i++) {
for (j = 1; j < num_ac - i; j++) {
if (tmp[j - 1] > tmp[j]) {
SWAP_U16(tmp[j - 1], tmp[j]);
SWAP_U8(priv->wmm.queue_priority[j - 1],
priv->wmm.queue_priority[j]);
} else if (tmp[j - 1] == tmp[j]) {
if (priv->wmm.queue_priority[j - 1] <
priv->wmm.queue_priority[j]) {
SWAP_U8(priv->wmm.queue_priority[j - 1],
priv->wmm.queue_priority[j]);
}
}
}
}
wlan_wmm_queue_priorities_tid(priv, priv->wmm.queue_priority);
HEXDUMP("WMM: avg_back_off, sort", (t_u8 *)tmp, sizeof(tmp));
DBG_HEXDUMP(MCMD_D, "WMM: queue_priority, sort",
priv->wmm.queue_priority, sizeof(priv->wmm.queue_priority));
LEAVE();
}
/**
* @brief Downgrade WMM priority queue
*
* @param priv Pointer to the mlan_private driver data struct
*
* @return N/A
*/
void wlan_wmm_setup_ac_downgrade(pmlan_private priv)
{
int ac_val;
ENTER();
PRINTM(MINFO, "WMM: AC Priorities: BK(0), BE(1), VI(2), VO(3)\n");
if (priv->wmm_enabled == MFALSE) {
/* WMM is not enabled, default priorities */
for (ac_val = WMM_AC_BK; ac_val <= WMM_AC_VO; ac_val++) {
priv->wmm.ac_down_graded_vals[ac_val] =
(mlan_wmm_ac_e)ac_val;
}
} else {
for (ac_val = WMM_AC_BK; ac_val <= WMM_AC_VO; ac_val++) {
priv->wmm.ac_down_graded_vals[ac_val] =
wlan_wmm_eval_downgrade_ac(
priv, (mlan_wmm_ac_e)ac_val);
PRINTM(MINFO, "WMM: AC PRIO %d maps to %d\n", ac_val,
priv->wmm.ac_down_graded_vals[ac_val]);
}
}
LEAVE();
}
/**
* @brief This function checks whether a station has WMM enabled or not
*
* @param priv A pointer to mlan_private
* @param mac station mac address
* @return MTRUE or MFALSE
*/
static t_u8 is_station_wmm_enabled(mlan_private *priv, t_u8 *mac)
{
sta_node *sta_ptr = MNULL;
sta_ptr = wlan_get_station_entry(priv, mac);
if (sta_ptr) {
if (sta_ptr->is_11n_enabled || sta_ptr->is_11ax_enabled)
return MTRUE;
}
return MFALSE;
}
/**
* @brief This function checks whether wmm is supported
*
* @param priv A pointer to mlan_private
* @param ra Address of the receiver STA
*
* @return MTRUE or MFALSE
*/
static int wlan_is_wmm_enabled(mlan_private *priv, t_u8 *ra)
{
int ret = MFALSE;
ENTER();
#ifdef UAP_SUPPORT
if (GET_BSS_ROLE(priv) == MLAN_BSS_ROLE_UAP) {
if ((!(ra[0] & 0x01)) &&
(priv->is_11n_enabled || priv->is_11ax_enabled))
ret = is_station_wmm_enabled(priv, ra);
}
#endif /* UAP_SUPPORT */
LEAVE();
return ret;
}
/**
* @brief Allocate and add a RA list for all TIDs with the given RA
*
* @param priv Pointer to the mlan_private driver data struct
* @param ra Address of the receiver STA (AP in case of infra)
*
* @return N/A
*/
void wlan_ralist_add(mlan_private *priv, t_u8 *ra)
{
int i;
raListTbl *ra_list;
pmlan_adapter pmadapter = priv->adapter;
tdlsStatus_e status;
ENTER();
for (i = 0; i < MAX_NUM_TID; ++i) {
ra_list = wlan_wmm_allocate_ralist_node(pmadapter, ra);
PRINTM(MINFO, "Creating RA List %p for tid %d\n", ra_list, i);
if (!ra_list)
break;
ra_list->max_amsdu = 0;
ra_list->ba_status = BA_STREAM_NOT_SETUP;
ra_list->amsdu_in_ampdu = MFALSE;
if (queuing_ra_based(priv)) {
ra_list->is_wmm_enabled = wlan_is_wmm_enabled(priv, ra);
if (ra_list->is_wmm_enabled)
ra_list->max_amsdu =
get_station_max_amsdu_size(priv, ra);
ra_list->tx_pause = wlan_is_tx_pause(priv, ra);
} else {
ra_list->is_tdls_link = MFALSE;
ra_list->tx_pause = MFALSE;
status = wlan_get_tdls_link_status(priv, ra);
if (MTRUE == wlan_is_tdls_link_setup(status)) {
ra_list->is_wmm_enabled =
is_station_wmm_enabled(priv, ra);
if (ra_list->is_wmm_enabled)
ra_list->max_amsdu =
get_station_max_amsdu_size(priv,
ra);
ra_list->is_tdls_link = MTRUE;
} else {
ra_list->is_wmm_enabled = IS_11N_ENABLED(priv);
if (ra_list->is_wmm_enabled)
ra_list->max_amsdu = priv->max_amsdu;
}
}
PRINTM_NETINTF(MDATA, priv);
PRINTM(MDATA, "ralist %p: is_wmm_enabled=%d max_amsdu=%d\n",
ra_list, ra_list->is_wmm_enabled, ra_list->max_amsdu);
if (ra_list->is_wmm_enabled) {
ra_list->packet_count = 0;
ra_list->ba_packet_threshold =
wlan_get_random_ba_threshold(pmadapter);
}
util_enqueue_list_tail(pmadapter->pmoal_handle,
&priv->wmm.tid_tbl_ptr[i].ra_list,
(pmlan_linked_list)ra_list, MNULL,
MNULL);
if (!priv->wmm.tid_tbl_ptr[i].ra_list_curr)
priv->wmm.tid_tbl_ptr[i].ra_list_curr = ra_list;
}
LEAVE();
}
/**
* @brief Initialize the WMM parameter.
*
* @param pmadapter Pointer to the mlan_adapter data structure
*
* @return N/A
*/
t_void wlan_init_wmm_param(pmlan_adapter pmadapter)
{
/* Reuse the same structure of WmmAcParameters_t for configuration
* purpose here. the definition of acm bit is changed to ucm (user
* configuration mode) FW will take the setting of
* aifsn,ecw_max,ecw_min, tx_op_limit only when ucm is set to 1.
* othewise the default setting/behavoir in firmware will be used.
*/
pmadapter->ac_params[AC_BE].aci_aifsn.acm = 0;
pmadapter->ac_params[AC_BE].aci_aifsn.aci = AC_BE;
pmadapter->ac_params[AC_BE].aci_aifsn.aifsn = 3;
pmadapter->ac_params[AC_BE].ecw.ecw_max = 10;
pmadapter->ac_params[AC_BE].ecw.ecw_min = 4;
pmadapter->ac_params[AC_BE].tx_op_limit = 0;
pmadapter->ac_params[AC_BK].aci_aifsn.acm = 0;
pmadapter->ac_params[AC_BK].aci_aifsn.aci = AC_BK;
pmadapter->ac_params[AC_BK].aci_aifsn.aifsn = 7;
pmadapter->ac_params[AC_BK].ecw.ecw_max = 10;
pmadapter->ac_params[AC_BK].ecw.ecw_min = 4;
pmadapter->ac_params[AC_BK].tx_op_limit = 0;
pmadapter->ac_params[AC_VI].aci_aifsn.acm = 0;
pmadapter->ac_params[AC_VI].aci_aifsn.aci = AC_VI;
pmadapter->ac_params[AC_VI].aci_aifsn.aifsn = 2;
pmadapter->ac_params[AC_VI].ecw.ecw_max = 4;
pmadapter->ac_params[AC_VI].ecw.ecw_min = 3;
pmadapter->ac_params[AC_VI].tx_op_limit = 188;
pmadapter->ac_params[AC_VO].aci_aifsn.acm = 0;
pmadapter->ac_params[AC_VO].aci_aifsn.aci = AC_VO;
pmadapter->ac_params[AC_VO].aci_aifsn.aifsn = 2;
pmadapter->ac_params[AC_VO].ecw.ecw_max = 3;
pmadapter->ac_params[AC_VO].ecw.ecw_min = 2;
pmadapter->ac_params[AC_VO].tx_op_limit = 102;
}
/**
* @brief Initialize the WMM state information and the WMM data path queues.
*
* @param pmadapter Pointer to the mlan_adapter data structure
*
* @return N/A
*/
t_void wlan_wmm_init(pmlan_adapter pmadapter)
{
int i, j;
pmlan_private priv;
ENTER();
for (j = 0; j < pmadapter->priv_num; ++j) {
priv = pmadapter->priv[j];
if (priv) {
for (i = 0; i < MAX_NUM_TID; ++i) {
priv->aggr_prio_tbl[i].amsdu =
tos_to_tid_inv[i];
priv->aggr_prio_tbl[i].ampdu_ap =
priv->aggr_prio_tbl[i].ampdu_user =
tos_to_tid_inv[i];
priv->ibss_ampdu[i] =
priv->aggr_prio_tbl[i].ampdu_user;
priv->wmm.pkts_queued[i] = 0;
priv->wmm.pkts_paused[i] = 0;
priv->wmm.tid_tbl_ptr[i].ra_list_curr = MNULL;
}
priv->wmm.drv_pkt_delay_max = WMM_DRV_DELAY_MAX;
priv->aggr_prio_tbl[6].amsdu = BA_STREAM_NOT_ALLOWED;
priv->aggr_prio_tbl[7].amsdu = BA_STREAM_NOT_ALLOWED;
priv->aggr_prio_tbl[6].ampdu_ap =
priv->aggr_prio_tbl[6].ampdu_user =
BA_STREAM_NOT_ALLOWED;
priv->ibss_ampdu[6] = BA_STREAM_NOT_ALLOWED;
priv->aggr_prio_tbl[7].ampdu_ap =
priv->aggr_prio_tbl[7].ampdu_user =
BA_STREAM_NOT_ALLOWED;
priv->ibss_ampdu[7] = BA_STREAM_NOT_ALLOWED;
priv->add_ba_param.timeout =
MLAN_DEFAULT_BLOCK_ACK_TIMEOUT;
#ifdef STA_SUPPORT
if (priv->bss_type == MLAN_BSS_TYPE_STA) {
priv->add_ba_param.tx_win_size =
MLAN_STA_AMPDU_DEF_TXWINSIZE;
priv->add_ba_param.rx_win_size =
MLAN_STA_AMPDU_DEF_RXWINSIZE;
}
#endif
#ifdef WIFI_DIRECT_SUPPORT
if (priv->bss_type == MLAN_BSS_TYPE_WIFIDIRECT) {
priv->add_ba_param.tx_win_size =
MLAN_WFD_AMPDU_DEF_TXRXWINSIZE;
priv->add_ba_param.rx_win_size =
MLAN_WFD_AMPDU_DEF_TXRXWINSIZE;
}
#endif
#ifdef UAP_SUPPORT
if (priv->bss_type == MLAN_BSS_TYPE_UAP) {
priv->add_ba_param.tx_win_size =
MLAN_UAP_AMPDU_DEF_TXWINSIZE;
priv->add_ba_param.rx_win_size =
MLAN_UAP_AMPDU_DEF_RXWINSIZE;
}
#endif
priv->user_rxwinsize = priv->add_ba_param.rx_win_size;
priv->add_ba_param.tx_amsdu = MTRUE;
priv->add_ba_param.rx_amsdu = MTRUE;
memset(priv->adapter, priv->rx_seq, 0xff,
sizeof(priv->rx_seq));
wlan_wmm_default_queue_priorities(priv);
}
}
LEAVE();
}
/**
* @brief Setup the queue priorities and downgrade any queues as required
* by the WMM info. Setups default values if WMM is not active
* for this association.
*
* @param priv Pointer to the mlan_private driver data struct
*
* @return N/A
*/
void wlan_wmm_setup_queues(pmlan_private priv)
{
ENTER();
wlan_wmm_setup_queue_priorities(priv, MNULL);
wlan_wmm_setup_ac_downgrade(priv);
LEAVE();
}
#ifdef STA_SUPPORT
/**
* @brief Send a command to firmware to retrieve the current WMM status
*
* @param priv Pointer to the mlan_private driver data struct
*
* @return MLAN_STATUS_SUCCESS; MLAN_STATUS_FAILURE
*/
mlan_status wlan_cmd_wmm_status_change(pmlan_private priv)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
ENTER();
ret = wlan_prepare_cmd(priv, HostCmd_CMD_WMM_GET_STATUS, 0, 0, MNULL,
MNULL);
LEAVE();
return ret;
}
#endif
/**
* @brief Check if wmm TX queue is empty
*
* @param pmadapter Pointer to the mlan_adapter driver data struct
*
* @return MFALSE if not empty; MTRUE if empty
*/
int wlan_wmm_lists_empty(pmlan_adapter pmadapter)
{
int j;
pmlan_private priv;
ENTER();
for (j = 0; j < pmadapter->priv_num; ++j) {
priv = pmadapter->priv[j];
if (priv) {
if ((priv->port_ctrl_mode == MTRUE) &&
(priv->port_open == MFALSE)) {
PRINTM(MINFO,
"wmm_lists_empty: PORT_CLOSED Ignore pkts from BSS%d\n",
j);
continue;
}
if (priv->tx_pause)
continue;
#if defined(USB)
if (!wlan_is_port_ready(pmadapter, priv->port_index))
continue;
#endif
if (util_scalar_read(
pmadapter->pmoal_handle,
&priv->wmm.tx_pkts_queued,
pmadapter->callbacks.moal_spin_lock,
pmadapter->callbacks.moal_spin_unlock)) {
LEAVE();
return MFALSE;
}
}
}
LEAVE();
return MTRUE;
}
/**
* @brief Get ralist node
*
* @param priv Pointer to the mlan_private driver data struct
* @param tid TID
* @param ra_addr Pointer to the route address
*
* @return ra_list or MNULL
*/
raListTbl *wlan_wmm_get_ralist_node(pmlan_private priv, t_u8 tid, t_u8 *ra_addr)
{
raListTbl *ra_list;
ENTER();
ra_list =
(raListTbl *)util_peek_list(priv->adapter->pmoal_handle,
&priv->wmm.tid_tbl_ptr[tid].ra_list,
MNULL, MNULL);
while (ra_list &&
(ra_list != (raListTbl *)&priv->wmm.tid_tbl_ptr[tid].ra_list)) {
if (!memcmp(priv->adapter, ra_list->ra, ra_addr,
MLAN_MAC_ADDR_LENGTH)) {
LEAVE();
return ra_list;
}
ra_list = ra_list->pnext;
}
LEAVE();
return MNULL;
}
/**
* @brief Check if RA list is valid or not
*
* @param priv Pointer to the mlan_private driver data struct
* @param ra_list Pointer to raListTbl
* @param ptrindex TID pointer index
*
* @return MTRUE- valid. MFALSE- invalid.
*/
int wlan_is_ralist_valid(mlan_private *priv, raListTbl *ra_list, int ptrindex)
{
raListTbl *rlist;
ENTER();
rlist = (raListTbl *)util_peek_list(
priv->adapter->pmoal_handle,
&priv->wmm.tid_tbl_ptr[ptrindex].ra_list, MNULL, MNULL);
while (rlist &&
(rlist !=
(raListTbl *)&priv->wmm.tid_tbl_ptr[ptrindex].ra_list)) {
if (rlist == ra_list) {
LEAVE();
return MTRUE;
}
rlist = rlist->pnext;
}
LEAVE();
return MFALSE;
}
/**
* @brief Update an existing raList with a new RA and 11n capability
*
* @param priv Pointer to the mlan_private driver data struct
* @param old_ra Old receiver address
* @param new_ra New receiver address
*
* @return integer count of updated nodes
*/
int wlan_ralist_update(mlan_private *priv, t_u8 *old_ra, t_u8 *new_ra)
{
t_u8 tid;
int update_count;
raListTbl *ra_list;
ENTER();
update_count = 0;
for (tid = 0; tid < MAX_NUM_TID; ++tid) {
ra_list = wlan_wmm_get_ralist_node(priv, tid, old_ra);
if (ra_list) {
update_count++;
if (queuing_ra_based(priv)) {
ra_list->is_wmm_enabled =
wlan_is_wmm_enabled(priv, new_ra);
if (ra_list->is_wmm_enabled)
ra_list->max_amsdu =
get_station_max_amsdu_size(
priv, new_ra);
} else {
ra_list->is_wmm_enabled = IS_11N_ENABLED(priv);
if (ra_list->is_wmm_enabled)
ra_list->max_amsdu = priv->max_amsdu;
}
ra_list->tx_pause = MFALSE;
ra_list->packet_count = 0;
ra_list->ba_packet_threshold =
wlan_get_random_ba_threshold(priv->adapter);
ra_list->amsdu_in_ampdu = MFALSE;
ra_list->ba_status = BA_STREAM_NOT_SETUP;
PRINTM(MINFO,
"ralist_update: %p, %d, " MACSTR "-->" MACSTR
"\n",
ra_list, ra_list->is_wmm_enabled,
MAC2STR(ra_list->ra), MAC2STR(new_ra));
memcpy_ext(priv->adapter, ra_list->ra, new_ra,
MLAN_MAC_ADDR_LENGTH, MLAN_MAC_ADDR_LENGTH);
}
}
LEAVE();
return update_count;
}
/**
* @brief Add packet to WMM queue
*
* @param pmadapter Pointer to the mlan_adapter driver data struct
* @param pmbuf Pointer to the mlan_buffer data struct
*
* @return N/A
*/
t_void wlan_wmm_add_buf_txqueue(pmlan_adapter pmadapter, pmlan_buffer pmbuf)
{
pmlan_private priv = pmadapter->priv[pmbuf->bss_index];
t_u32 tid;
raListTbl *ra_list;
t_u8 ra[MLAN_MAC_ADDR_LENGTH], tid_down;
tdlsStatus_e status;
#ifdef UAP_SUPPORT
psta_node sta_ptr = MNULL;
#endif
ENTER();
pmbuf->buf_type = MLAN_BUF_TYPE_DATA;
if (!priv->media_connected) {
PRINTM_NETINTF(MWARN, priv);
PRINTM(MWARN, "Drop packet %p in disconnect state\n", pmbuf);
wlan_write_data_complete(pmadapter, pmbuf, MLAN_STATUS_FAILURE);
LEAVE();
return;
}
tid = pmbuf->priority;
pmadapter->callbacks.moal_spin_lock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
tid_down = wlan_wmm_downgrade_tid(priv, tid);
/* In case of infra as we have already created the list during
association we just don't have to call get_queue_raptr, we will have
only 1 raptr for a tid in case of infra */
if (!queuing_ra_based(priv)) {
memcpy_ext(pmadapter, ra, pmbuf->pbuf + pmbuf->data_offset,
MLAN_MAC_ADDR_LENGTH, MLAN_MAC_ADDR_LENGTH);
status = wlan_get_tdls_link_status(priv, ra);
if (MTRUE == wlan_is_tdls_link_setup(status)) {
ra_list = wlan_wmm_get_queue_raptr(priv, tid_down, ra);
pmbuf->flags |= MLAN_BUF_FLAG_TDLS;
} else if (status == TDLS_SETUP_INPROGRESS) {
wlan_add_buf_tdls_txqueue(priv, pmbuf);
pmadapter->callbacks.moal_spin_unlock(
pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
LEAVE();
return;
} else
ra_list = (raListTbl *)util_peek_list(
pmadapter->pmoal_handle,
&priv->wmm.tid_tbl_ptr[tid_down].ra_list, MNULL,
MNULL);
} else {
if (pmbuf->flags & MLAN_BUF_FLAG_EASYMESH)
memcpy_ext(pmadapter, ra, pmbuf->mac,
MLAN_MAC_ADDR_LENGTH, MLAN_MAC_ADDR_LENGTH);
else
memcpy_ext(pmadapter, ra,
pmbuf->pbuf + pmbuf->data_offset,
MLAN_MAC_ADDR_LENGTH, MLAN_MAC_ADDR_LENGTH);
/** put multicast/broadcast packet in the same ralist */
if (ra[0] & 0x01)
memset(pmadapter, ra, 0xff, sizeof(ra));
#ifdef UAP_SUPPORT
else if (priv->bss_type == MLAN_BSS_TYPE_UAP) {
sta_ptr = wlan_get_station_entry(priv, ra);
if (sta_ptr) {
sta_ptr->stats.tx_bytes += pmbuf->data_len;
sta_ptr->stats.tx_packets++;
if (!sta_ptr->is_wmm_enabled &&
!priv->is_11ac_enabled) {
tid_down = wlan_wmm_downgrade_tid(priv,
0xff);
}
}
}
#endif
ra_list = wlan_wmm_get_queue_raptr(priv, tid_down, ra);
}
if (!ra_list) {
PRINTM_NETINTF(MWARN, priv);
PRINTM(MWARN,
"Drop packet %p, ra_list=%p, media_connected=%d\n",
pmbuf, ra_list, priv->media_connected);
pmadapter->callbacks.moal_spin_unlock(
pmadapter->pmoal_handle, priv->wmm.ra_list_spinlock);
wlan_write_data_complete(pmadapter, pmbuf, MLAN_STATUS_FAILURE);
LEAVE();
return;
}
PRINTM_NETINTF(MDATA, priv);
PRINTM(MDATA,
"Adding pkt %p (priority=%d, tid_down=%d) to ra_list %p\n",
pmbuf, pmbuf->priority, tid_down, ra_list);
util_enqueue_list_tail(pmadapter->pmoal_handle, &ra_list->buf_head,
(pmlan_linked_list)pmbuf, MNULL, MNULL);
ra_list->total_pkts++;
ra_list->packet_count++;
priv->wmm.pkts_queued[tid_down]++;
if (ra_list->tx_pause) {
priv->wmm.pkts_paused[tid_down]++;
} else {
util_scalar_increment(pmadapter->pmoal_handle,
&priv->wmm.tx_pkts_queued, MNULL, MNULL);
/* if highest_queued_prio < prio(tid_down), set it to
* prio(tid_down) */
util_scalar_conditional_write(
pmadapter->pmoal_handle, &priv->wmm.highest_queued_prio,
MLAN_SCALAR_COND_LESS_THAN, tos_to_tid_inv[tid_down],
tos_to_tid_inv[tid_down], MNULL, MNULL);
}
/* Record the current time the packet was queued; used to determine
* the amount of time the packet was queued in the driver before it
* was sent to the firmware. The delay is then sent along with the
* packet to the firmware for aggregate delay calculation for stats
* and MSDU lifetime expiry.
*/
pmadapter->callbacks.moal_get_system_time(
pmadapter->pmoal_handle, &pmbuf->in_ts_sec, &pmbuf->in_ts_usec);
pmadapter->callbacks.moal_spin_unlock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
LEAVE();
}
#ifdef STA_SUPPORT
/**
* @brief Process the GET_WMM_STATUS command response from firmware
*
* The GET_WMM_STATUS response may contain multiple TLVs for:
* - AC Queue status TLVs
* - Current WMM Parameter IE TLV
* - Admission Control action frame TLVs
*
* This function parses the TLVs and then calls further functions
* to process any changes in the queue prioritize or state.
*
* @param priv Pointer to the mlan_private driver data struct
* @param ptlv Pointer to the tlv block returned in the response.
* @param resp_len Length of TLV block
*
* @return MLAN_STATUS_SUCCESS
*/
mlan_status wlan_ret_wmm_get_status(pmlan_private priv, t_u8 *ptlv,
int resp_len)
{
t_u8 *pcurrent = ptlv;
t_u32 tlv_len;
t_u8 send_wmm_event;
MrvlIEtypes_Data_t *ptlv_hdr;
MrvlIEtypes_WmmQueueStatus_t *ptlv_wmm_q_status;
IEEEtypes_WmmParameter_t *pwmm_param_ie = MNULL;
WmmAcStatus_t *pac_status;
MrvlIETypes_ActionFrame_t *ptlv_action;
IEEEtypes_Action_WMM_AddTsRsp_t *padd_ts_rsp;
IEEEtypes_Action_WMM_DelTs_t *pdel_ts;
ENTER();
send_wmm_event = MFALSE;
if (resp_len < (int)sizeof(ptlv_hdr->header)) {
PRINTM(MINFO,
"WMM: WMM_GET_STATUS err: cmdresp low length received: %d\n",
resp_len);
LEAVE();
return MLAN_STATUS_FAILURE;
}
PRINTM(MINFO, "WMM: WMM_GET_STATUS cmdresp received: %d\n", resp_len);
HEXDUMP("CMD_RESP: WMM_GET_STATUS", pcurrent, resp_len);
while (resp_len >= (int)sizeof(ptlv_hdr->header)) {
ptlv_hdr = (MrvlIEtypes_Data_t *)pcurrent;
tlv_len = wlan_le16_to_cpu(ptlv_hdr->header.len);
if ((int)(tlv_len + sizeof(ptlv_hdr->header)) > resp_len) {
PRINTM(MERROR,
"WMM get status: Error in processing TLV buffer\n");
resp_len = 0;
continue;
}
switch (wlan_le16_to_cpu(ptlv_hdr->header.type)) {
case TLV_TYPE_WMMQSTATUS:
ptlv_wmm_q_status =
(MrvlIEtypes_WmmQueueStatus_t *)ptlv_hdr;
PRINTM(MEVENT, "WMM_STATUS: QSTATUS TLV: %d\n",
ptlv_wmm_q_status->queue_index);
PRINTM(MINFO,
"CMD_RESP: WMM_GET_STATUS: QSTATUS TLV: %d, %d, %d\n",
ptlv_wmm_q_status->queue_index,
ptlv_wmm_q_status->flow_required,
ptlv_wmm_q_status->disabled);
/* Pick the minimum among these to avoid array out of
* bounds */
ptlv_wmm_q_status->queue_index = MIN(
ptlv_wmm_q_status->queue_index, MAX_AC_QUEUES);
pac_status =
&priv->wmm.ac_status[ptlv_wmm_q_status
->queue_index];
pac_status->disabled = ptlv_wmm_q_status->disabled;
pac_status->flow_required =
ptlv_wmm_q_status->flow_required;
pac_status->flow_created =
ptlv_wmm_q_status->flow_created;
break;
case TLV_TYPE_VENDOR_SPECIFIC_IE: /* WMM_IE */
/*
* Point the regular IEEE IE 2 bytes into the NXP IE
* and setup the IEEE IE type and length byte fields
*/
PRINTM(MEVENT, "WMM STATUS: WMM IE\n");
HEXDUMP("WMM: WMM TLV:", (t_u8 *)ptlv_hdr, tlv_len + 4);
pwmm_param_ie =
(IEEEtypes_WmmParameter_t *)(pcurrent + 2);
pwmm_param_ie->vend_hdr.len = (t_u8)tlv_len;
pwmm_param_ie->vend_hdr.element_id = WMM_IE;
PRINTM(MINFO,
"CMD_RESP: WMM_GET_STATUS: WMM Parameter Set: %d\n",
pwmm_param_ie->qos_info.para_set_count);
memcpy_ext(priv->adapter,
(t_u8 *)&priv->curr_bss_params.bss_descriptor
.wmm_ie,
pwmm_param_ie,
(pwmm_param_ie->vend_hdr.len + 2),
sizeof(IEEEtypes_WmmParameter_t));
send_wmm_event = MTRUE;
break;
case TLV_TYPE_IEEE_ACTION_FRAME:
PRINTM(MEVENT, "WMM_STATUS: IEEE Action Frame\n");
ptlv_action = (MrvlIETypes_ActionFrame_t *)pcurrent;
ptlv_action->actionFrame.wmmAc.tspecAct.category =
wlan_le32_to_cpu(ptlv_action->actionFrame.wmmAc
.tspecAct.category);
if (ptlv_action->actionFrame.wmmAc.tspecAct.category ==
IEEE_MGMT_ACTION_CATEGORY_WMM_TSPEC) {
ptlv_action->actionFrame.wmmAc.tspecAct.action =
wlan_le32_to_cpu(
ptlv_action->actionFrame.wmmAc
.tspecAct.action);
switch (ptlv_action->actionFrame.wmmAc.tspecAct
.action) {
case TSPEC_ACTION_CODE_ADDTS_RSP:
padd_ts_rsp = &ptlv_action->actionFrame
.wmmAc.addTsRsp;
wlan_send_wmmac_host_event(
priv, "ADDTS_RSP",
ptlv_action->srcAddr,
padd_ts_rsp->tspecIE.TspecBody
.TSInfo.TID,
padd_ts_rsp->tspecIE.TspecBody
.TSInfo.UserPri,
padd_ts_rsp->statusCode);
break;
case TSPEC_ACTION_CODE_DELTS:
pdel_ts = &ptlv_action->actionFrame
.wmmAc.delTs;
wlan_send_wmmac_host_event(
priv, "DELTS_RX",
ptlv_action->srcAddr,
pdel_ts->tspecIE.TspecBody
.TSInfo.TID,
pdel_ts->tspecIE.TspecBody
.TSInfo.UserPri,
pdel_ts->reasonCode);
break;
case TSPEC_ACTION_CODE_ADDTS_REQ:
default:
break;
}
}
break;
default:
break;
}
pcurrent += (tlv_len + sizeof(ptlv_hdr->header));
resp_len -= (tlv_len + sizeof(ptlv_hdr->header));
}
wlan_wmm_setup_queue_priorities(priv, pwmm_param_ie);
wlan_wmm_setup_ac_downgrade(priv);
if (send_wmm_event) {
wlan_recv_event(priv, MLAN_EVENT_ID_FW_WMM_CONFIG_CHANGE,
MNULL);
}
LEAVE();
return MLAN_STATUS_SUCCESS;
}
/**
* @brief Call back from the command module to allow insertion of a WMM TLV
*
* If the BSS we are associating to supports WMM, add the required WMM
* Information IE to the association request command buffer in the form
* of a NXP extended IEEE IE.
*
* @param priv Pointer to the mlan_private driver data struct
* @param ppassoc_buf Output parameter: Pointer to the TLV output buffer,
* modified on return to point after the appended WMM TLV
* @param pwmm_ie Pointer to the WMM IE for the BSS we are joining
*
* @return Length of data appended to the association tlv buffer
*/
t_u32 wlan_wmm_process_association_req(pmlan_private priv, t_u8 **ppassoc_buf,
IEEEtypes_WmmParameter_t *pwmm_ie)
{
MrvlIEtypes_WmmParamSet_t *pwmm_tlv;
t_u32 ret_len = 0;
ENTER();
/* Null checks */
if (!ppassoc_buf) {
LEAVE();
return 0;
}
if (!(*ppassoc_buf)) {
LEAVE();
return 0;
}
if (!pwmm_ie) {
LEAVE();
return 0;
}
PRINTM(MINFO, "WMM: process assoc req: bss->wmmIe=0x%x\n",
pwmm_ie->vend_hdr.element_id);
if (priv->wmm_required && pwmm_ie->vend_hdr.element_id == WMM_IE) {
pwmm_tlv = (MrvlIEtypes_WmmParamSet_t *)*ppassoc_buf;
pwmm_tlv->header.type = (t_u16)wmm_info_ie[0];
pwmm_tlv->header.type = wlan_cpu_to_le16(pwmm_tlv->header.type);
pwmm_tlv->header.len = (t_u16)wmm_info_ie[1];
memcpy_ext(priv->adapter, pwmm_tlv->wmm_ie, &wmm_info_ie[2],
pwmm_tlv->header.len, pwmm_tlv->header.len);
if (pwmm_ie->qos_info.qos_uapsd)
memcpy_ext(priv->adapter,
(t_u8 *)(pwmm_tlv->wmm_ie +
pwmm_tlv->header.len -
sizeof(priv->wmm_qosinfo)),
&priv->wmm_qosinfo,
sizeof(priv->wmm_qosinfo),
sizeof(priv->wmm_qosinfo));
ret_len = sizeof(pwmm_tlv->header) + pwmm_tlv->header.len;
pwmm_tlv->header.len = wlan_cpu_to_le16(pwmm_tlv->header.len);
HEXDUMP("ASSOC_CMD: WMM IE", (t_u8 *)pwmm_tlv, ret_len);
*ppassoc_buf += ret_len;
}
LEAVE();
return ret_len;
}
#endif /* STA_SUPPORT */
/**
* @brief Compute the time delay in the driver queues for a given packet.
*
* When the packet is received at the OS/Driver interface, the current
* time is set in the packet structure. The difference between the present
* time and that received time is computed in this function and limited
* based on pre-compiled limits in the driver.
*
* @param priv Ptr to the mlan_private driver data struct
* @param pmbuf Ptr to the mlan_buffer which has been previously timestamped
*
* @return Time delay of the packet in 2ms units after having limit applied
*/
t_u8 wlan_wmm_compute_driver_packet_delay(pmlan_private priv,
const pmlan_buffer pmbuf)
{
t_u8 ret_val = 0;
t_u32 out_ts_sec, out_ts_usec;
t_s32 queue_delay;
ENTER();
priv->adapter->callbacks.moal_get_system_time(
priv->adapter->pmoal_handle, &out_ts_sec, &out_ts_usec);
if (priv->adapter->tp_state_on) {
pmbuf->out_ts_sec = out_ts_sec;
pmbuf->out_ts_usec = out_ts_usec;
if (pmbuf->in_ts_sec)
priv->adapter->callbacks.moal_tp_accounting(
priv->adapter->pmoal_handle, pmbuf, 11);
}
queue_delay = (t_s32)(out_ts_sec - pmbuf->in_ts_sec) * 1000;
queue_delay += (t_s32)(out_ts_usec - pmbuf->in_ts_usec) / 1000;
/*
* Queue delay is passed as a uint8 in units of 2ms (ms shifted
* by 1). Min value (other than 0) is therefore 2ms, max is 510ms.
*
* Pass max value if queue_delay is beyond the uint8 range
*/
ret_val = (t_u8)(MIN(queue_delay, (t_s32)priv->wmm.drv_pkt_delay_max) >>
1);
PRINTM(MINFO, "WMM: Pkt Delay: %d ms, %d ms sent to FW\n", queue_delay,
ret_val);
LEAVE();
return ret_val;
}
/**
* @brief Transmit the highest priority packet awaiting in the WMM Queues
*
* @param pmadapter Pointer to the mlan_adapter driver data struct
*
* @return N/A
*/
void wlan_wmm_process_tx(pmlan_adapter pmadapter)
{
ENTER();
do {
if (wlan_dequeue_tx_packet(pmadapter))
break;
#ifdef SDIO
if (IS_SD(pmadapter->card_type) &&
(pmadapter->ireg & UP_LD_CMD_PORT_HOST_INT_STATUS)) {
wlan_send_mp_aggr_buf(pmadapter);
break;
}
#endif
#ifdef PCIE
if (IS_PCIE(pmadapter->card_type) &&
(pmadapter->ireg &
pmadapter->pcard_pcie->reg->host_intr_event_rdy))
break;
#endif
#ifdef USB
if (IS_USB(pmadapter->card_type) && pmadapter->event_received)
break;
#endif
/* Check if busy */
} while (!pmadapter->data_sent && !pmadapter->tx_lock_flag &&
!wlan_wmm_lists_empty(pmadapter));
LEAVE();
return;
}
/**
* @brief select wmm queue
*
* @param pmpriv A pointer to mlan_private structure
* @param tid TID 0-7
*
* @return wmm_queue priority (0-3)
*/
t_u8 wlan_wmm_select_queue(mlan_private *pmpriv, t_u8 tid)
{
pmlan_adapter pmadapter = pmpriv->adapter;
t_u8 i;
mlan_wmm_ac_e ac_down =
pmpriv->wmm.ac_down_graded_vals[wlan_wmm_convert_tos_to_ac(
pmadapter, tid)];
ENTER();
for (i = 0; i < 4; i++) {
if (pmpriv->wmm.queue_priority[i] == ac_down) {
LEAVE();
return i;
}
}
LEAVE();
return 0;
}
/**
* @brief Delete tx packets in RA list
*
* @param priv Pointer to the mlan_private driver data struct
* @param ra_list_head ra list header
* @param tid tid
*
* @return N/A
*/
static INLINE t_u8 wlan_del_tx_pkts_in_ralist(pmlan_private priv,
mlan_list_head *ra_list_head,
int tid)
{
raListTbl *ra_list = MNULL;
pmlan_adapter pmadapter = priv->adapter;
pmlan_buffer pmbuf = MNULL;
t_u8 ret = MFALSE;
ENTER();
ra_list = (raListTbl *)util_peek_list(priv->adapter->pmoal_handle,
ra_list_head, MNULL, MNULL);
while (ra_list && ra_list != (raListTbl *)ra_list_head) {
if (ra_list->total_pkts &&
(ra_list->tx_pause ||
(ra_list->total_pkts > RX_LOW_THRESHOLD))) {
pmbuf = (pmlan_buffer)util_dequeue_list(
pmadapter->pmoal_handle, &ra_list->buf_head,
MNULL, MNULL);
if (pmbuf) {
PRINTM(MDATA,
"Drop pkts: tid=%d tx_pause=%d pkts=%d " MACSTR
"\n",
tid, ra_list->tx_pause,
ra_list->total_pkts,
MAC2STR(ra_list->ra));
wlan_write_data_complete(pmadapter, pmbuf,
MLAN_STATUS_FAILURE);
priv->wmm.pkts_queued[tid]--;
priv->num_drop_pkts++;
ra_list->total_pkts--;
if (ra_list->tx_pause)
priv->wmm.pkts_paused[tid]--;
else
util_scalar_decrement(
pmadapter->pmoal_handle,
&priv->wmm.tx_pkts_queued,
MNULL, MNULL);
ret = MTRUE;
break;
}
}
ra_list = ra_list->pnext;
}
LEAVE();
return ret;
}
/**
* @brief Drop tx pkts
*
* @param priv Pointer to the mlan_private driver data struct
*
* @return N/A
*/
t_void wlan_drop_tx_pkts(pmlan_private priv)
{
int j;
static int i;
pmlan_adapter pmadapter = priv->adapter;
pmadapter->callbacks.moal_spin_lock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
for (j = 0; j < MAX_NUM_TID; j++, i++) {
if (i == MAX_NUM_TID)
i = 0;
if (wlan_del_tx_pkts_in_ralist(
priv, &priv->wmm.tid_tbl_ptr[i].ra_list, i)) {
i++;
break;
}
}
pmadapter->callbacks.moal_spin_unlock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
return;
}
/**
* @brief Remove peer ralist
*
* @param priv A pointer to mlan_private
* @param mac peer mac address
*
* @return N/A
*/
t_void wlan_wmm_delete_peer_ralist(pmlan_private priv, t_u8 *mac)
{
raListTbl *ra_list;
int i;
pmlan_adapter pmadapter = priv->adapter;
t_u32 pkt_cnt = 0;
t_u32 tx_pkts_queued = 0;
ENTER();
pmadapter->callbacks.moal_spin_lock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
for (i = 0; i < MAX_NUM_TID; ++i) {
ra_list = wlan_wmm_get_ralist_node(priv, i, mac);
if (ra_list) {
PRINTM(MINFO, "delete sta ralist %p\n", ra_list);
priv->wmm.pkts_queued[i] -= ra_list->total_pkts;
if (ra_list->tx_pause)
priv->wmm.pkts_paused[i] -= ra_list->total_pkts;
else
pkt_cnt += ra_list->total_pkts;
wlan_wmm_del_pkts_in_ralist_node(priv, ra_list);
util_unlink_list(pmadapter->pmoal_handle,
&priv->wmm.tid_tbl_ptr[i].ra_list,
(pmlan_linked_list)ra_list, MNULL,
MNULL);
pmadapter->callbacks.moal_mfree(pmadapter->pmoal_handle,
(t_u8 *)ra_list);
if (priv->wmm.tid_tbl_ptr[i].ra_list_curr == ra_list)
priv->wmm.tid_tbl_ptr[i].ra_list_curr =
(raListTbl *)&priv->wmm.tid_tbl_ptr[i]
.ra_list;
}
}
if (pkt_cnt) {
tx_pkts_queued = util_scalar_read(pmadapter->pmoal_handle,
&priv->wmm.tx_pkts_queued,
MNULL, MNULL);
tx_pkts_queued -= pkt_cnt;
util_scalar_write(priv->adapter->pmoal_handle,
&priv->wmm.tx_pkts_queued, tx_pkts_queued,
MNULL, MNULL);
util_scalar_write(priv->adapter->pmoal_handle,
&priv->wmm.highest_queued_prio, HIGH_PRIO_TID,
MNULL, MNULL);
}
pmadapter->callbacks.moal_spin_unlock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
LEAVE();
}
#ifdef STA_SUPPORT
/**
* @brief Hold TDLS packets to tdls pending queue
*
* @param priv A pointer to mlan_private
* @param mac station mac address
*
* @return N/A
*/
t_void wlan_hold_tdls_packets(pmlan_private priv, t_u8 *mac)
{
pmlan_buffer pmbuf;
mlan_adapter *pmadapter = priv->adapter;
raListTbl *ra_list = MNULL;
t_u8 i;
ENTER();
pmadapter->callbacks.moal_spin_lock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
PRINTM(MDATA, "wlan_hold_tdls_packets: " MACSTR "\n", MAC2STR(mac));
for (i = 0; i < MAX_NUM_TID; ++i) {
ra_list = (raListTbl *)util_peek_list(
pmadapter->pmoal_handle,
&priv->wmm.tid_tbl_ptr[i].ra_list, MNULL, MNULL);
if (ra_list) {
while ((pmbuf = wlan_find_tdls_packets(priv, ra_list,
mac))) {
util_unlink_list(pmadapter->pmoal_handle,
&ra_list->buf_head,
(pmlan_linked_list)pmbuf,
MNULL, MNULL);
ra_list->total_pkts--;
priv->wmm.pkts_queued[i]--;
util_scalar_decrement(pmadapter->pmoal_handle,
&priv->wmm.tx_pkts_queued,
MNULL, MNULL);
ra_list->packet_count--;
wlan_add_buf_tdls_txqueue(priv, pmbuf);
PRINTM(MDATA, "hold tdls packet=%p\n", pmbuf);
}
}
}
pmadapter->callbacks.moal_spin_unlock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
LEAVE();
}
/**
* @brief move TDLS packets back to ralist
*
* @param priv A pointer to mlan_private
* @param mac TDLS peer mac address
* @param status tdlsStatus
*
* @return pmlan_buffer or MNULL
*/
t_void wlan_restore_tdls_packets(pmlan_private priv, t_u8 *mac,
tdlsStatus_e status)
{
pmlan_buffer pmbuf;
mlan_adapter *pmadapter = priv->adapter;
raListTbl *ra_list = MNULL;
t_u32 tid;
t_u32 tid_down;
ENTER();
PRINTM(MDATA, "wlan_restore_tdls_packets: " MACSTR " status=%d\n",
MAC2STR(mac), status);
pmadapter->callbacks.moal_spin_lock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
while ((pmbuf = wlan_find_packets_tdls_txq(priv, mac))) {
util_unlink_list(pmadapter->pmoal_handle,
&priv->tdls_pending_txq,
(pmlan_linked_list)pmbuf, MNULL, MNULL);
tid = pmbuf->priority;
tid_down = wlan_wmm_downgrade_tid(priv, tid);
if (status == TDLS_SETUP_COMPLETE) {
ra_list = wlan_wmm_get_queue_raptr(priv, tid_down, mac);
pmbuf->flags |= MLAN_BUF_FLAG_TDLS;
} else {
ra_list = (raListTbl *)util_peek_list(
pmadapter->pmoal_handle,
&priv->wmm.tid_tbl_ptr[tid_down].ra_list, MNULL,
MNULL);
pmbuf->flags &= ~MLAN_BUF_FLAG_TDLS;
}
if (!ra_list) {
PRINTM_NETINTF(MWARN, priv);
PRINTM(MWARN,
"Drop packet %p, ra_list=%p media_connected=%d\n",
pmbuf, ra_list, priv->media_connected);
wlan_write_data_complete(pmadapter, pmbuf,
MLAN_STATUS_FAILURE);
continue;
}
PRINTM_NETINTF(MDATA, priv);
PRINTM(MDATA,
"ADD TDLS pkt %p (priority=%d) back to ra_list %p\n",
pmbuf, pmbuf->priority, ra_list);
util_enqueue_list_tail(pmadapter->pmoal_handle,
&ra_list->buf_head,
(pmlan_linked_list)pmbuf, MNULL, MNULL);
ra_list->total_pkts++;
ra_list->packet_count++;
priv->wmm.pkts_queued[tid_down]++;
util_scalar_increment(pmadapter->pmoal_handle,
&priv->wmm.tx_pkts_queued, MNULL, MNULL);
util_scalar_conditional_write(
pmadapter->pmoal_handle, &priv->wmm.highest_queued_prio,
MLAN_SCALAR_COND_LESS_THAN, tos_to_tid_inv[tid_down],
tos_to_tid_inv[tid_down], MNULL, MNULL);
}
if (status != TDLS_SETUP_COMPLETE)
wlan_wmm_delete_tdls_ralist(priv, mac);
pmadapter->callbacks.moal_spin_unlock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
LEAVE();
}
/**
* @brief This function prepares the command of ADDTS
*
* @param pmpriv A pointer to mlan_private structure
* @param cmd A pointer to HostCmd_DS_COMMAND structure
* @param pdata_buf A pointer to data buffer
* @return MLAN_STATUS_SUCCESS
*/
mlan_status wlan_cmd_wmm_addts_req(pmlan_private pmpriv,
HostCmd_DS_COMMAND *cmd, t_void *pdata_buf)
{
mlan_ds_wmm_addts *paddts = (mlan_ds_wmm_addts *)pdata_buf;
HostCmd_DS_WMM_ADDTS_REQ *pcmd_addts = &cmd->params.add_ts;
ENTER();
cmd->command = wlan_cpu_to_le16(HostCmd_CMD_WMM_ADDTS_REQ);
cmd->size = wlan_cpu_to_le16(sizeof(pcmd_addts->dialog_token) +
sizeof(pcmd_addts->timeout_ms) +
sizeof(pcmd_addts->command_result) +
sizeof(pcmd_addts->ieee_status_code) +
paddts->ie_data_len + S_DS_GEN);
cmd->result = 0;
pcmd_addts->timeout_ms = wlan_cpu_to_le32(paddts->timeout);
pcmd_addts->dialog_token = paddts->dialog_tok;
memcpy_ext(pmpriv->adapter, pcmd_addts->tspec_data, paddts->ie_data,
paddts->ie_data_len, WMM_TSPEC_SIZE);
LEAVE();
return MLAN_STATUS_SUCCESS;
}
/**
* @brief This function handles the command response of ADDTS
*
* @param pmpriv A pointer to mlan_private structure
* @param resp A pointer to HostCmd_DS_COMMAND
* @param pioctl_buf A pointer to mlan_ioctl_req structure
*
* @return MLAN_STATUS_SUCCESS
*/
mlan_status wlan_ret_wmm_addts_req(pmlan_private pmpriv,
const HostCmd_DS_COMMAND *resp,
mlan_ioctl_req *pioctl_buf)
{
mlan_ds_wmm_cfg *pwmm = MNULL;
mlan_ds_wmm_addts *paddts = MNULL;
const HostCmd_DS_WMM_ADDTS_REQ *presp_addts = &resp->params.add_ts;
ENTER();
if (pioctl_buf) {
pwmm = (mlan_ds_wmm_cfg *)pioctl_buf->pbuf;
paddts = (mlan_ds_wmm_addts *)&pwmm->param.addts;
paddts->result = wlan_le32_to_cpu(presp_addts->command_result);
paddts->dialog_tok = presp_addts->dialog_token;
paddts->status_code = (t_u32)presp_addts->ieee_status_code;
if (paddts->result == MLAN_CMD_RESULT_SUCCESS) {
/* The tspecData field is potentially variable in size
* due to extra IEs that may have been in the ADDTS
* response action frame. Calculate the data length from
* the firmware command response.
*/
paddts->ie_data_len =
(t_u8)(resp->size -
sizeof(presp_addts->command_result) -
sizeof(presp_addts->timeout_ms) -
sizeof(presp_addts->dialog_token) -
sizeof(presp_addts->ieee_status_code) -
S_DS_GEN);
/* Copy the TSPEC data include any extra IEs after the
* TSPEC */
memcpy_ext(pmpriv->adapter, paddts->ie_data,
presp_addts->tspec_data, paddts->ie_data_len,
sizeof(paddts->ie_data));
} else {
paddts->ie_data_len = 0;
}
PRINTM(MINFO, "TSPEC: ADDTS ret = %d,%d sz=%d\n",
paddts->result, paddts->status_code,
paddts->ie_data_len);
HEXDUMP("TSPEC: ADDTS data", paddts->ie_data,
paddts->ie_data_len);
}
LEAVE();
return MLAN_STATUS_SUCCESS;
}
/**
* @brief This function prepares the command of DELTS
*
* @param pmpriv A pointer to mlan_private structure
* @param cmd A pointer to HostCmd_DS_COMMAND structure
* @param pdata_buf A pointer to data buffer
* @return MLAN_STATUS_SUCCESS
*/
mlan_status wlan_cmd_wmm_delts_req(pmlan_private pmpriv,
HostCmd_DS_COMMAND *cmd, t_void *pdata_buf)
{
mlan_ds_wmm_delts *pdelts = (mlan_ds_wmm_delts *)pdata_buf;
HostCmd_DS_WMM_DELTS_REQ *pcmd_delts = &cmd->params.del_ts;
ENTER();
cmd->command = wlan_cpu_to_le16(HostCmd_CMD_WMM_DELTS_REQ);
cmd->size = wlan_cpu_to_le16(sizeof(pcmd_delts->dialog_token) +
sizeof(pcmd_delts->command_result) +
sizeof(pcmd_delts->ieee_reason_code) +
pdelts->ie_data_len + S_DS_GEN);
cmd->result = 0;
pcmd_delts->ieee_reason_code = (t_u8)pdelts->status_code;
memcpy_ext(pmpriv->adapter, pcmd_delts->tspec_data, pdelts->ie_data,
pdelts->ie_data_len, WMM_TSPEC_SIZE);
LEAVE();
return MLAN_STATUS_SUCCESS;
}
/**
* @brief This function handles the command response of DELTS
*
* @param pmpriv A pointer to mlan_private structure
* @param resp A pointer to HostCmd_DS_COMMAND
* @param pioctl_buf A pointer to mlan_ioctl_req structure
*
* @return MLAN_STATUS_SUCCESS
*/
mlan_status wlan_ret_wmm_delts_req(pmlan_private pmpriv,
const HostCmd_DS_COMMAND *resp,
mlan_ioctl_req *pioctl_buf)
{
mlan_ds_wmm_cfg *pwmm;
IEEEtypes_WMM_TSPEC_t *ptspec_ie;
const HostCmd_DS_WMM_DELTS_REQ *presp_delts = &resp->params.del_ts;
ENTER();
if (pioctl_buf) {
pwmm = (mlan_ds_wmm_cfg *)pioctl_buf->pbuf;
pwmm->param.delts.result =
wlan_le32_to_cpu(presp_delts->command_result);
PRINTM(MINFO, "TSPEC: DELTS result = %d\n",
presp_delts->command_result);
if (pwmm->param.delts.result == 0) {
ptspec_ie = (IEEEtypes_WMM_TSPEC_t *)
presp_delts->tspec_data;
wlan_send_wmmac_host_event(
pmpriv, "DELTS_TX", MNULL,
ptspec_ie->TspecBody.TSInfo.TID,
ptspec_ie->TspecBody.TSInfo.UserPri,
presp_delts->ieee_reason_code);
}
}
LEAVE();
return MLAN_STATUS_SUCCESS;
}
/**
* @brief This function prepares the command of WMM_QUEUE_STATS
*
* @param pmpriv A pointer to mlan_private structure
* @param cmd A pointer to HostCmd_DS_COMMAND structure
* @param pdata_buf A pointer to data buffer
* @return MLAN_STATUS_SUCCESS
*/
mlan_status wlan_cmd_wmm_queue_stats(pmlan_private pmpriv,
HostCmd_DS_COMMAND *cmd, t_void *pdata_buf)
{
mlan_ds_wmm_queue_stats *pqstats = (mlan_ds_wmm_queue_stats *)pdata_buf;
HostCmd_DS_WMM_QUEUE_STATS *pcmd_qstats = &cmd->params.queue_stats;
t_u8 id;
ENTER();
cmd->command = wlan_cpu_to_le16(HostCmd_CMD_WMM_QUEUE_STATS);
cmd->size =
wlan_cpu_to_le16(sizeof(HostCmd_DS_WMM_QUEUE_STATS) + S_DS_GEN);
cmd->result = 0;
pcmd_qstats->action = pqstats->action;
pcmd_qstats->select_is_userpri = 1;
pcmd_qstats->select_bin = pqstats->user_priority;
pcmd_qstats->pkt_count = wlan_cpu_to_le16(pqstats->pkt_count);
pcmd_qstats->pkt_loss = wlan_cpu_to_le16(pqstats->pkt_loss);
pcmd_qstats->avg_queue_delay =
wlan_cpu_to_le32(pqstats->avg_queue_delay);
pcmd_qstats->avg_tx_delay = wlan_cpu_to_le32(pqstats->avg_tx_delay);
pcmd_qstats->used_time = wlan_cpu_to_le16(pqstats->used_time);
pcmd_qstats->policed_time = wlan_cpu_to_le16(pqstats->policed_time);
for (id = 0; id < MLAN_WMM_STATS_PKTS_HIST_BINS; id++) {
pcmd_qstats->delay_histogram[id] =
wlan_cpu_to_le16(pqstats->delay_histogram[id]);
}
LEAVE();
return MLAN_STATUS_SUCCESS;
}
/**
* @brief This function handles the command response of WMM_QUEUE_STATS
*
* @param pmpriv A pointer to mlan_private structure
* @param resp A pointer to HostCmd_DS_COMMAND
* @param pioctl_buf A pointer to mlan_ioctl_req structure
*
* @return MLAN_STATUS_SUCCESS
*/
mlan_status wlan_ret_wmm_queue_stats(pmlan_private pmpriv,
const HostCmd_DS_COMMAND *resp,
mlan_ioctl_req *pioctl_buf)
{
mlan_ds_wmm_cfg *pwmm = MNULL;
mlan_ds_wmm_queue_stats *pqstats = MNULL;
const HostCmd_DS_WMM_QUEUE_STATS *presp_qstats =
&resp->params.queue_stats;
t_u8 id;
ENTER();
if (pioctl_buf) {
pwmm = (mlan_ds_wmm_cfg *)pioctl_buf->pbuf;
pqstats = (mlan_ds_wmm_queue_stats *)&pwmm->param.q_stats;
pqstats->action = presp_qstats->action;
pqstats->user_priority = presp_qstats->select_bin;
pqstats->pkt_count = wlan_le16_to_cpu(presp_qstats->pkt_count);
pqstats->pkt_loss = wlan_le16_to_cpu(presp_qstats->pkt_loss);
pqstats->avg_queue_delay =
wlan_le32_to_cpu(presp_qstats->avg_queue_delay);
pqstats->avg_tx_delay =
wlan_le32_to_cpu(presp_qstats->avg_tx_delay);
pqstats->used_time = wlan_le16_to_cpu(presp_qstats->used_time);
pqstats->policed_time =
wlan_le16_to_cpu(presp_qstats->policed_time);
for (id = 0; id < MLAN_WMM_STATS_PKTS_HIST_BINS; id++) {
pqstats->delay_histogram[id] = wlan_le16_to_cpu(
presp_qstats->delay_histogram[id]);
}
}
LEAVE();
return MLAN_STATUS_SUCCESS;
}
/**
* @brief This function prepares the command of WMM_TS_STATUS
*
* @param pmpriv A pointer to mlan_private structure
* @param cmd A pointer to HostCmd_DS_COMMAND structure
* @param pdata_buf A pointer to data buffer
* @return MLAN_STATUS_SUCCESS
*/
mlan_status wlan_cmd_wmm_ts_status(pmlan_private pmpriv,
HostCmd_DS_COMMAND *cmd, t_void *pdata_buf)
{
mlan_ds_wmm_ts_status *pts_status = (mlan_ds_wmm_ts_status *)pdata_buf;
HostCmd_DS_WMM_TS_STATUS *pcmd_ts_status = &cmd->params.ts_status;
ENTER();
cmd->command = wlan_cpu_to_le16(HostCmd_CMD_WMM_TS_STATUS);
cmd->size =
wlan_cpu_to_le16(sizeof(HostCmd_DS_WMM_TS_STATUS) + S_DS_GEN);
cmd->result = 0;
memcpy_ext(pmpriv->adapter, (t_void *)pcmd_ts_status,
(t_void *)pts_status, sizeof(HostCmd_DS_WMM_TS_STATUS),
sizeof(HostCmd_DS_WMM_TS_STATUS));
LEAVE();
return MLAN_STATUS_SUCCESS;
}
/**
* @brief This function handles the command response of WMM_TS_STATUS
*
* @param pmpriv A pointer to mlan_private structure
* @param resp A pointer to HostCmd_DS_COMMAND
* @param pioctl_buf A pointer to mlan_ioctl_req structure
*
* @return MLAN_STATUS_SUCCESS
*/
mlan_status wlan_ret_wmm_ts_status(pmlan_private pmpriv,
HostCmd_DS_COMMAND *resp,
mlan_ioctl_req *pioctl_buf)
{
mlan_ds_wmm_cfg *pwmm = MNULL;
HostCmd_DS_WMM_TS_STATUS *presp_ts_status = &resp->params.ts_status;
ENTER();
if (pioctl_buf) {
pwmm = (mlan_ds_wmm_cfg *)pioctl_buf->pbuf;
presp_ts_status->medium_time =
wlan_le16_to_cpu(presp_ts_status->medium_time);
memcpy_ext(pmpriv->adapter, (t_void *)&pwmm->param.ts_status,
(t_void *)presp_ts_status,
sizeof(mlan_ds_wmm_ts_status),
sizeof(mlan_ds_wmm_ts_status));
}
LEAVE();
return MLAN_STATUS_SUCCESS;
}
/**
* @brief Set/Get WMM status
*
* @param pmadapter A pointer to mlan_adapter structure
* @param pioctl_req A pointer to ioctl request buffer
*
* @return MLAN_STATUS_SUCCESS --success
*/
static mlan_status wlan_wmm_ioctl_enable(pmlan_adapter pmadapter,
pmlan_ioctl_req pioctl_req)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
mlan_private *pmpriv = pmadapter->priv[pioctl_req->bss_index];
mlan_ds_wmm_cfg *wmm = MNULL;
ENTER();
wmm = (mlan_ds_wmm_cfg *)pioctl_req->pbuf;
if (pioctl_req->action == MLAN_ACT_GET)
wmm->param.wmm_enable = (t_u32)pmpriv->wmm_required;
else
pmpriv->wmm_required = (t_u8)wmm->param.wmm_enable;
pioctl_req->data_read_written = sizeof(t_u32) + MLAN_SUB_COMMAND_SIZE;
LEAVE();
return ret;
}
/**
* @brief Set/Get WMM QoS configuration
*
* @param pmadapter A pointer to mlan_adapter structure
* @param pioctl_req A pointer to ioctl request buffer
*
* @return MLAN_STATUS_SUCCESS --success
*/
static mlan_status wlan_wmm_ioctl_qos(pmlan_adapter pmadapter,
pmlan_ioctl_req pioctl_req)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
mlan_private *pmpriv = pmadapter->priv[pioctl_req->bss_index];
mlan_ds_wmm_cfg *wmm = MNULL;
ENTER();
wmm = (mlan_ds_wmm_cfg *)pioctl_req->pbuf;
if (pioctl_req->action == MLAN_ACT_GET)
wmm->param.qos_cfg = pmpriv->wmm_qosinfo;
else {
pmpriv->wmm_qosinfo = wmm->param.qos_cfg;
pmpriv->saved_wmm_qosinfo = wmm->param.qos_cfg;
}
pioctl_req->data_read_written = sizeof(t_u8) + MLAN_SUB_COMMAND_SIZE;
LEAVE();
return ret;
}
/**
* @brief Request for add a TSPEC
*
* @param pmadapter A pointer to mlan_adapter structure
* @param pioctl_req A pointer to ioctl request buffer
*
* @return MLAN_STATUS_PENDING --success, otherwise fail
*/
static mlan_status wlan_wmm_ioctl_addts_req(pmlan_adapter pmadapter,
pmlan_ioctl_req pioctl_req)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
pmlan_private pmpriv = pmadapter->priv[pioctl_req->bss_index];
mlan_ds_wmm_cfg *cfg = MNULL;
ENTER();
cfg = (mlan_ds_wmm_cfg *)pioctl_req->pbuf;
/* Send request to firmware */
ret = wlan_prepare_cmd(pmpriv, HostCmd_CMD_WMM_ADDTS_REQ, 0, 0,
(t_void *)pioctl_req,
(t_void *)&cfg->param.addts);
if (ret == MLAN_STATUS_SUCCESS)
ret = MLAN_STATUS_PENDING;
LEAVE();
return ret;
}
/**
* @brief Request for delete a TSPEC
*
* @param pmadapter A pointer to mlan_adapter structure
* @param pioctl_req A pointer to ioctl request buffer
*
* @return MLAN_STATUS_PENDING --success, otherwise fail
*/
static mlan_status wlan_wmm_ioctl_delts_req(pmlan_adapter pmadapter,
pmlan_ioctl_req pioctl_req)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
pmlan_private pmpriv = pmadapter->priv[pioctl_req->bss_index];
mlan_ds_wmm_cfg *cfg = MNULL;
ENTER();
cfg = (mlan_ds_wmm_cfg *)pioctl_req->pbuf;
/* Send request to firmware */
ret = wlan_prepare_cmd(pmpriv, HostCmd_CMD_WMM_DELTS_REQ, 0, 0,
(t_void *)pioctl_req,
(t_void *)&cfg->param.delts);
if (ret == MLAN_STATUS_SUCCESS)
ret = MLAN_STATUS_PENDING;
LEAVE();
return ret;
}
/**
* @brief To get and start/stop queue stats on a WMM AC
*
* @param pmadapter A pointer to mlan_adapter structure
* @param pioctl_req A pointer to ioctl request buffer
*
* @return MLAN_STATUS_PENDING --success, otherwise fail
*/
static mlan_status wlan_wmm_ioctl_queue_stats(pmlan_adapter pmadapter,
pmlan_ioctl_req pioctl_req)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
pmlan_private pmpriv = pmadapter->priv[pioctl_req->bss_index];
mlan_ds_wmm_cfg *cfg = MNULL;
ENTER();
cfg = (mlan_ds_wmm_cfg *)pioctl_req->pbuf;
/* Send request to firmware */
ret = wlan_prepare_cmd(pmpriv, HostCmd_CMD_WMM_QUEUE_STATS, 0, 0,
(t_void *)pioctl_req,
(t_void *)&cfg->param.q_stats);
if (ret == MLAN_STATUS_SUCCESS)
ret = MLAN_STATUS_PENDING;
LEAVE();
return ret;
}
/**
* @brief Get the status of the WMM AC queues
*
* @param pmadapter A pointer to mlan_adapter structure
* @param pioctl_req A pointer to ioctl request buffer
*
* @return MLAN_STATUS_SUCCESS --success
*/
static mlan_status wlan_wmm_ioctl_queue_status(pmlan_adapter pmadapter,
pmlan_ioctl_req pioctl_req)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
pmlan_private pmpriv = pmadapter->priv[pioctl_req->bss_index];
mlan_ds_wmm_cfg *cfg = MNULL;
mlan_ds_wmm_queue_status *pqstatus = MNULL;
WmmAcStatus_t *pac_status = MNULL;
mlan_wmm_ac_e ac_idx;
ENTER();
cfg = (mlan_ds_wmm_cfg *)pioctl_req->pbuf;
pqstatus = (mlan_ds_wmm_queue_status *)&cfg->param.q_status;
for (ac_idx = WMM_AC_BK; ac_idx <= WMM_AC_VO; ac_idx++) {
pac_status = &pmpriv->wmm.ac_status[ac_idx];
/* Firmware status */
pqstatus->ac_status[ac_idx].flow_required =
pac_status->flow_required;
pqstatus->ac_status[ac_idx].flow_created =
pac_status->flow_created;
pqstatus->ac_status[ac_idx].disabled = pac_status->disabled;
/* ACM bit reflected in firmware status (redundant) */
pqstatus->ac_status[ac_idx].wmm_acm = pac_status->flow_required;
}
LEAVE();
return ret;
}
/**
* @brief Get the status of the WMM Traffic Streams
*
* @param pmadapter A pointer to mlan_adapter structure
* @param pioctl_req A pointer to ioctl request buffer
*
* @return MLAN_STATUS_PENDING --success, otherwise fail
*/
static mlan_status wlan_wmm_ioctl_ts_status(pmlan_adapter pmadapter,
pmlan_ioctl_req pioctl_req)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
pmlan_private pmpriv = pmadapter->priv[pioctl_req->bss_index];
mlan_ds_wmm_cfg *cfg = MNULL;
ENTER();
cfg = (mlan_ds_wmm_cfg *)pioctl_req->pbuf;
/* Send request to firmware */
ret = wlan_prepare_cmd(pmpriv, HostCmd_CMD_WMM_TS_STATUS, 0, 0,
(t_void *)pioctl_req,
(t_void *)&cfg->param.ts_status);
if (ret == MLAN_STATUS_SUCCESS)
ret = MLAN_STATUS_PENDING;
LEAVE();
return ret;
}
#endif /* STA_SUPPORT */
/**
* @brief This function prepares the command of WMM_PARAM_CONFIG
*
* @param pmpriv A pointer to mlan_private structure
* @param cmd A pointer to HostCmd_DS_COMMAND structure
* @param cmd_action cmd action.
* @param pdata_buf A pointer to data buffer
* @return MLAN_STATUS_SUCCESS
*/
mlan_status wlan_cmd_wmm_param_config(pmlan_private pmpriv,
HostCmd_DS_COMMAND *cmd, t_u8 cmd_action,
t_void *pdata_buf)
{
wmm_ac_parameters_t *ac_params = (wmm_ac_parameters_t *)pdata_buf;
HostCmd_DS_WMM_PARAM_CONFIG *pcmd_cfg = &cmd->params.param_config;
t_u8 i = 0;
ENTER();
cmd->command = wlan_cpu_to_le16(HostCmd_CMD_WMM_PARAM_CONFIG);
cmd->size = wlan_cpu_to_le16(sizeof(HostCmd_DS_WMM_PARAM_CONFIG) +
S_DS_GEN);
cmd->result = 0;
pcmd_cfg->action = cmd_action;
if (cmd_action == HostCmd_ACT_GEN_SET) {
memcpy_ext(pmpriv->adapter, pcmd_cfg->ac_params, ac_params,
sizeof(wmm_ac_parameters_t) * MAX_AC_QUEUES,
sizeof(wmm_ac_parameters_t) * MAX_AC_QUEUES);
for (i = 0; i < MAX_AC_QUEUES; i++) {
pcmd_cfg->ac_params[i].tx_op_limit = wlan_cpu_to_le16(
pcmd_cfg->ac_params[i].tx_op_limit);
}
}
LEAVE();
return MLAN_STATUS_SUCCESS;
}
/**
* @brief This function handles the command response of WMM_PARAM_CONFIG
*
* @param pmpriv A pointer to mlan_private structure
* @param resp A pointer to HostCmd_DS_COMMAND
* @param pioctl_buf A pointer to mlan_ioctl_req structure
*
* @return MLAN_STATUS_SUCCESS
*/
mlan_status wlan_ret_wmm_param_config(pmlan_private pmpriv,
const HostCmd_DS_COMMAND *resp,
mlan_ioctl_req *pioctl_buf)
{
mlan_ds_wmm_cfg *pwmm = MNULL;
HostCmd_DS_WMM_PARAM_CONFIG *pcfg =
(HostCmd_DS_WMM_PARAM_CONFIG *)&resp->params.param_config;
t_u8 i;
ENTER();
if (pioctl_buf) {
pwmm = (mlan_ds_wmm_cfg *)pioctl_buf->pbuf;
for (i = 0; i < MAX_AC_QUEUES; i++) {
pcfg->ac_params[i].tx_op_limit = wlan_le16_to_cpu(
pcfg->ac_params[i].tx_op_limit);
}
memcpy_ext(pmpriv->adapter, pwmm->param.ac_params,
pcfg->ac_params,
sizeof(wmm_ac_parameters_t) * MAX_AC_QUEUES,
sizeof(wmm_ac_parameters_t) * MAX_AC_QUEUES);
}
LEAVE();
return MLAN_STATUS_SUCCESS;
}
/**
* @brief This function prepares the command of WMM_QUEUE_CONFIG
*
* @param pmpriv A pointer to mlan_private structure
* @param cmd A pointer to HostCmd_DS_COMMAND structure
* @param pdata_buf A pointer to data buffer
* @return MLAN_STATUS_SUCCESS
*/
mlan_status wlan_cmd_wmm_queue_config(pmlan_private pmpriv,
HostCmd_DS_COMMAND *cmd,
t_void *pdata_buf)
{
mlan_ds_wmm_queue_config *pqcfg = (mlan_ds_wmm_queue_config *)pdata_buf;
HostCmd_DS_WMM_QUEUE_CONFIG *pcmd_qcfg = &cmd->params.queue_config;
ENTER();
cmd->command = wlan_cpu_to_le16(HostCmd_CMD_WMM_QUEUE_CONFIG);
cmd->size = wlan_cpu_to_le16(
sizeof(pcmd_qcfg->action) + sizeof(pcmd_qcfg->access_category) +
sizeof(pcmd_qcfg->msdu_lifetime_expiry) + S_DS_GEN);
cmd->result = 0;
pcmd_qcfg->action = pqcfg->action;
pcmd_qcfg->access_category = pqcfg->access_category;
pcmd_qcfg->msdu_lifetime_expiry =
wlan_cpu_to_le16(pqcfg->msdu_lifetime_expiry);
LEAVE();
return MLAN_STATUS_SUCCESS;
}
/**
* @brief This function handles the command response of WMM_QUEUE_CONFIG
*
* @param pmpriv A pointer to mlan_private structure
* @param resp A pointer to HostCmd_DS_COMMAND
* @param pioctl_buf A pointer to mlan_ioctl_req structure
*
* @return MLAN_STATUS_SUCCESS
*/
mlan_status wlan_ret_wmm_queue_config(pmlan_private pmpriv,
const HostCmd_DS_COMMAND *resp,
mlan_ioctl_req *pioctl_buf)
{
mlan_ds_wmm_cfg *pwmm = MNULL;
const HostCmd_DS_WMM_QUEUE_CONFIG *presp_qcfg =
&resp->params.queue_config;
ENTER();
if (pioctl_buf) {
pwmm = (mlan_ds_wmm_cfg *)pioctl_buf->pbuf;
pwmm->param.q_cfg.action = wlan_le32_to_cpu(presp_qcfg->action);
pwmm->param.q_cfg.access_category =
wlan_le32_to_cpu(presp_qcfg->access_category);
pwmm->param.q_cfg.msdu_lifetime_expiry =
wlan_le16_to_cpu(presp_qcfg->msdu_lifetime_expiry);
}
LEAVE();
return MLAN_STATUS_SUCCESS;
}
/**
* @brief Set/Get a specified AC Queue's parameters
*
* @param pmadapter A pointer to mlan_adapter structure
* @param pioctl_req A pointer to ioctl request buffer
*
* @return MLAN_STATUS_PENDING --success, otherwise fail
*/
static mlan_status wlan_wmm_ioctl_queue_config(pmlan_adapter pmadapter,
pmlan_ioctl_req pioctl_req)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
pmlan_private pmpriv = pmadapter->priv[pioctl_req->bss_index];
mlan_ds_wmm_cfg *cfg = MNULL;
ENTER();
cfg = (mlan_ds_wmm_cfg *)pioctl_req->pbuf;
/* Send request to firmware */
ret = wlan_prepare_cmd(pmpriv, HostCmd_CMD_WMM_QUEUE_CONFIG, 0, 0,
(t_void *)pioctl_req,
(t_void *)&cfg->param.q_cfg);
if (ret == MLAN_STATUS_SUCCESS)
ret = MLAN_STATUS_PENDING;
LEAVE();
return ret;
}
/**
* @brief WMM configuration handler
*
* @param pmadapter A pointer to mlan_adapter structure
* @param pioctl_req A pointer to ioctl request buffer
*
* @return MLAN_STATUS_SUCCESS --success, otherwise fail
*/
mlan_status wlan_wmm_cfg_ioctl(pmlan_adapter pmadapter,
pmlan_ioctl_req pioctl_req)
{
mlan_status status = MLAN_STATUS_SUCCESS;
mlan_ds_wmm_cfg *wmm = MNULL;
ENTER();
if (pioctl_req->buf_len < sizeof(mlan_ds_wmm_cfg)) {
PRINTM(MWARN, "MLAN bss IOCTL length is too short.\n");
pioctl_req->data_read_written = 0;
pioctl_req->buf_len_needed = sizeof(mlan_ds_wmm_cfg);
pioctl_req->status_code = MLAN_ERROR_INVALID_PARAMETER;
LEAVE();
return MLAN_STATUS_RESOURCE;
}
wmm = (mlan_ds_wmm_cfg *)pioctl_req->pbuf;
switch (wmm->sub_command) {
#ifdef STA_SUPPORT
case MLAN_OID_WMM_CFG_ENABLE:
status = wlan_wmm_ioctl_enable(pmadapter, pioctl_req);
break;
case MLAN_OID_WMM_CFG_QOS:
status = wlan_wmm_ioctl_qos(pmadapter, pioctl_req);
break;
case MLAN_OID_WMM_CFG_ADDTS:
status = wlan_wmm_ioctl_addts_req(pmadapter, pioctl_req);
break;
case MLAN_OID_WMM_CFG_DELTS:
status = wlan_wmm_ioctl_delts_req(pmadapter, pioctl_req);
break;
case MLAN_OID_WMM_CFG_QUEUE_STATS:
status = wlan_wmm_ioctl_queue_stats(pmadapter, pioctl_req);
break;
case MLAN_OID_WMM_CFG_QUEUE_STATUS:
status = wlan_wmm_ioctl_queue_status(pmadapter, pioctl_req);
break;
case MLAN_OID_WMM_CFG_TS_STATUS:
status = wlan_wmm_ioctl_ts_status(pmadapter, pioctl_req);
break;
#endif
case MLAN_OID_WMM_CFG_QUEUE_CONFIG:
status = wlan_wmm_ioctl_queue_config(pmadapter, pioctl_req);
break;
default:
pioctl_req->status_code = MLAN_ERROR_IOCTL_INVALID;
status = MLAN_STATUS_FAILURE;
break;
}
LEAVE();
return status;
}
/**
* @brief Get ralist info
*
* @param priv A pointer to mlan_private structure
* @param buf A pointer to ralist_info structure
* @return number of ralist entry
*
*/
int wlan_get_ralist_info(mlan_private *priv, ralist_info *buf)
{
ralist_info *plist = buf;
mlan_list_head *ra_list_head = MNULL;
raListTbl *ra_list;
int i;
int count = 0;
for (i = 0; i < MAX_NUM_TID; i++) {
ra_list_head = &priv->wmm.tid_tbl_ptr[i].ra_list;
ra_list =
(raListTbl *)util_peek_list(priv->adapter->pmoal_handle,
ra_list_head, MNULL, MNULL);
while (ra_list && ra_list != (raListTbl *)ra_list_head) {
if (ra_list->total_pkts) {
plist->total_pkts = ra_list->total_pkts;
plist->tid = i;
plist->tx_pause = ra_list->tx_pause;
memcpy_ext(priv->adapter, plist->ra,
ra_list->ra, MLAN_MAC_ADDR_LENGTH,
MLAN_MAC_ADDR_LENGTH);
plist++;
count++;
if (count >= MLAN_MAX_RALIST_NUM)
break;
}
ra_list = ra_list->pnext;
}
}
LEAVE();
return count;
}
/**
* @brief dump ralist info
*
* @param priv A pointer to mlan_private structure
*
* @return N/A
*
*/
void wlan_dump_ralist(mlan_private *priv)
{
mlan_list_head *ra_list_head = MNULL;
raListTbl *ra_list;
mlan_adapter *pmadapter = priv->adapter;
int i;
t_u32 tx_pkts_queued;
tx_pkts_queued =
util_scalar_read(pmadapter->pmoal_handle,
&priv->wmm.tx_pkts_queued, MNULL, MNULL);
PRINTM(MERROR, "bss_index = %d, tx_pkts_queued = %d\n", priv->bss_index,
tx_pkts_queued);
if (!tx_pkts_queued)
return;
for (i = 0; i < MAX_NUM_TID; i++) {
ra_list_head = &priv->wmm.tid_tbl_ptr[i].ra_list;
ra_list =
(raListTbl *)util_peek_list(priv->adapter->pmoal_handle,
ra_list_head, MNULL, MNULL);
while (ra_list && ra_list != (raListTbl *)ra_list_head) {
if (ra_list->total_pkts) {
PRINTM(MERROR,
"ralist ra: %02x:%02x:%02x:%02x:%02x:%02x tid=%d pkts=%d pause=%d\n",
ra_list->ra[0], ra_list->ra[1],
ra_list->ra[2], ra_list->ra[3],
ra_list->ra[4], ra_list->ra[5], i,
ra_list->total_pkts, ra_list->tx_pause);
}
ra_list = ra_list->pnext;
}
}
return;
}
/**
* @brief get tid down
*
* @param priv A pointer to mlan_private structure
* @param tid tid
*
* @return tid_down
*
*/
int wlan_get_wmm_tid_down(mlan_private *priv, int tid)
{
return wlan_wmm_downgrade_tid(priv, tid);
}
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