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path: root/drivers/net/wireless/mwifiex/wmm.c
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Diffstat (limited to 'drivers/net/wireless/mwifiex/wmm.c')
-rw-r--r--drivers/net/wireless/mwifiex/wmm.c167
1 files changed, 82 insertions, 85 deletions
diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c
index 6c239c3c8249..5a7316c6f125 100644
--- a/drivers/net/wireless/mwifiex/wmm.c
+++ b/drivers/net/wireless/mwifiex/wmm.c
@@ -87,15 +87,15 @@ mwifiex_wmm_ac_debug_print(const struct ieee_types_wmm_ac_parameters *ac_param)
const char *ac_str[] = { "BK", "BE", "VI", "VO" };
pr_debug("info: WMM AC_%s: ACI=%d, ACM=%d, Aifsn=%d, "
- "EcwMin=%d, EcwMax=%d, TxopLimit=%d\n",
- ac_str[wmm_aci_to_qidx_map[(ac_param->aci_aifsn_bitmap
- & MWIFIEX_ACI) >> 5]],
- (ac_param->aci_aifsn_bitmap & MWIFIEX_ACI) >> 5,
- (ac_param->aci_aifsn_bitmap & MWIFIEX_ACM) >> 4,
- ac_param->aci_aifsn_bitmap & MWIFIEX_AIFSN,
- ac_param->ecw_bitmap & MWIFIEX_ECW_MIN,
- (ac_param->ecw_bitmap & MWIFIEX_ECW_MAX) >> 4,
- le16_to_cpu(ac_param->tx_op_limit));
+ "EcwMin=%d, EcwMax=%d, TxopLimit=%d\n",
+ ac_str[wmm_aci_to_qidx_map[(ac_param->aci_aifsn_bitmap
+ & MWIFIEX_ACI) >> 5]],
+ (ac_param->aci_aifsn_bitmap & MWIFIEX_ACI) >> 5,
+ (ac_param->aci_aifsn_bitmap & MWIFIEX_ACM) >> 4,
+ ac_param->aci_aifsn_bitmap & MWIFIEX_AIFSN,
+ ac_param->ecw_bitmap & MWIFIEX_ECW_MIN,
+ (ac_param->ecw_bitmap & MWIFIEX_ECW_MAX) >> 4,
+ le16_to_cpu(ac_param->tx_op_limit));
}
/*
@@ -112,7 +112,7 @@ mwifiex_wmm_allocate_ralist_node(struct mwifiex_adapter *adapter, u8 *ra)
if (!ra_list) {
dev_err(adapter->dev, "%s: failed to alloc ra_list\n",
- __func__);
+ __func__);
return NULL;
}
INIT_LIST_HEAD(&ra_list->list);
@@ -154,7 +154,7 @@ mwifiex_ralist_add(struct mwifiex_private *priv, u8 *ra)
ra_list, ra_list->is_11n_enabled);
list_add_tail(&ra_list->list,
- &priv->wmm.tid_tbl_ptr[i].ra_list);
+ &priv->wmm.tid_tbl_ptr[i].ra_list);
if (!priv->wmm.tid_tbl_ptr[i].ra_list_curr)
priv->wmm.tid_tbl_ptr[i].ra_list_curr = ra_list;
@@ -217,22 +217,19 @@ mwifiex_wmm_setup_queue_priorities(struct mwifiex_private *priv,
wmm_ie->reserved);
for (num_ac = 0; num_ac < ARRAY_SIZE(wmm_ie->ac_params); num_ac++) {
- cw_min = (1 << (wmm_ie->ac_params[num_ac].ecw_bitmap &
- MWIFIEX_ECW_MIN)) - 1;
- avg_back_off = (cw_min >> 1) +
- (wmm_ie->ac_params[num_ac].aci_aifsn_bitmap &
- MWIFIEX_AIFSN);
-
- ac_idx = wmm_aci_to_qidx_map[(wmm_ie->ac_params[num_ac].
- aci_aifsn_bitmap &
- MWIFIEX_ACI) >> 5];
+ u8 ecw = wmm_ie->ac_params[num_ac].ecw_bitmap;
+ u8 aci_aifsn = wmm_ie->ac_params[num_ac].aci_aifsn_bitmap;
+ cw_min = (1 << (ecw & MWIFIEX_ECW_MIN)) - 1;
+ avg_back_off = (cw_min >> 1) + (aci_aifsn & MWIFIEX_AIFSN);
+
+ ac_idx = wmm_aci_to_qidx_map[(aci_aifsn & MWIFIEX_ACI) >> 5];
priv->wmm.queue_priority[ac_idx] = ac_idx;
tmp[ac_idx] = avg_back_off;
- dev_dbg(priv->adapter->dev, "info: WMM: CWmax=%d CWmin=%d Avg Back-off=%d\n",
- (1 << ((wmm_ie->ac_params[num_ac].ecw_bitmap &
- MWIFIEX_ECW_MAX) >> 4)) - 1,
- cw_min, avg_back_off);
+ dev_dbg(priv->adapter->dev,
+ "info: WMM: CWmax=%d CWmin=%d Avg Back-off=%d\n",
+ (1 << ((ecw & MWIFIEX_ECW_MAX) >> 4)) - 1,
+ cw_min, avg_back_off);
mwifiex_wmm_ac_debug_print(&wmm_ie->ac_params[num_ac]);
}
@@ -312,13 +309,14 @@ mwifiex_wmm_setup_ac_downgrade(struct mwifiex_private *priv)
/* 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] =
- (enum mwifiex_wmm_ac_e) ac_val;
+ (enum mwifiex_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]
= mwifiex_wmm_eval_downgrade_ac(priv,
(enum mwifiex_wmm_ac_e) ac_val);
- dev_dbg(priv->adapter->dev, "info: WMM: AC PRIO %d maps to %d\n",
+ dev_dbg(priv->adapter->dev,
+ "info: WMM: AC PRIO %d maps to %d\n",
ac_val, priv->wmm.ac_down_graded_vals[ac_val]);
}
}
@@ -394,13 +392,13 @@ mwifiex_wmm_init(struct mwifiex_adapter *adapter)
}
priv->aggr_prio_tbl[6].amsdu
- = priv->aggr_prio_tbl[6].ampdu_ap
- = priv->aggr_prio_tbl[6].ampdu_user
- = BA_STREAM_NOT_ALLOWED;
+ = priv->aggr_prio_tbl[6].ampdu_ap
+ = priv->aggr_prio_tbl[6].ampdu_user
+ = BA_STREAM_NOT_ALLOWED;
priv->aggr_prio_tbl[7].amsdu = priv->aggr_prio_tbl[7].ampdu_ap
- = priv->aggr_prio_tbl[7].ampdu_user
- = BA_STREAM_NOT_ALLOWED;
+ = priv->aggr_prio_tbl[7].ampdu_user
+ = BA_STREAM_NOT_ALLOWED;
priv->add_ba_param.timeout = MWIFIEX_DEFAULT_BLOCK_ACK_TIMEOUT;
priv->add_ba_param.tx_win_size = MWIFIEX_AMPDU_DEF_TXWINSIZE;
@@ -472,7 +470,7 @@ static void mwifiex_wmm_cleanup_queues(struct mwifiex_private *priv)
for (i = 0; i < MAX_NUM_TID; i++)
mwifiex_wmm_del_pkts_in_ralist(priv, &priv->wmm.tid_tbl_ptr[i].
- ra_list);
+ ra_list);
atomic_set(&priv->wmm.tx_pkts_queued, 0);
atomic_set(&priv->wmm.highest_queued_prio, HIGH_PRIO_TID);
@@ -488,9 +486,10 @@ static void mwifiex_wmm_delete_all_ralist(struct mwifiex_private *priv)
for (i = 0; i < MAX_NUM_TID; ++i) {
dev_dbg(priv->adapter->dev,
- "info: ra_list: freeing buf for tid %d\n", i);
+ "info: ra_list: freeing buf for tid %d\n", i);
list_for_each_entry_safe(ra_list, tmp_node,
- &priv->wmm.tid_tbl_ptr[i].ra_list, list) {
+ &priv->wmm.tid_tbl_ptr[i].ra_list,
+ list) {
list_del(&ra_list->list);
kfree(ra_list);
}
@@ -599,11 +598,10 @@ mwifiex_is_ralist_valid(struct mwifiex_private *priv,
* is queued at the list tail.
*/
void
-mwifiex_wmm_add_buf_txqueue(struct mwifiex_adapter *adapter,
+mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv,
struct sk_buff *skb)
{
- struct mwifiex_txinfo *tx_info = MWIFIEX_SKB_TXCB(skb);
- struct mwifiex_private *priv = adapter->priv[tx_info->bss_index];
+ struct mwifiex_adapter *adapter = priv->adapter;
u32 tid;
struct mwifiex_ra_list_tbl *ra_list;
u8 ra[ETH_ALEN], tid_down;
@@ -653,7 +651,7 @@ mwifiex_wmm_add_buf_txqueue(struct mwifiex_adapter *adapter,
if (atomic_read(&priv->wmm.highest_queued_prio) <
tos_to_tid_inv[tid_down])
atomic_set(&priv->wmm.highest_queued_prio,
- tos_to_tid_inv[tid_down]);
+ tos_to_tid_inv[tid_down]);
spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, flags);
}
@@ -682,7 +680,7 @@ int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv,
struct mwifiex_wmm_ac_status *ac_status;
dev_dbg(priv->adapter->dev, "info: WMM: WMM_GET_STATUS cmdresp received: %d\n",
- resp_len);
+ resp_len);
while ((resp_len >= sizeof(tlv_hdr->header)) && valid) {
tlv_hdr = (struct mwifiex_ie_types_data *) curr;
@@ -696,15 +694,15 @@ int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv,
dev_dbg(priv->adapter->dev,
"info: CMD_RESP: WMM_GET_STATUS:"
" QSTATUS TLV: %d, %d, %d\n",
- tlv_wmm_qstatus->queue_index,
- tlv_wmm_qstatus->flow_required,
- tlv_wmm_qstatus->disabled);
+ tlv_wmm_qstatus->queue_index,
+ tlv_wmm_qstatus->flow_required,
+ tlv_wmm_qstatus->disabled);
ac_status = &priv->wmm.ac_status[tlv_wmm_qstatus->
queue_index];
ac_status->disabled = tlv_wmm_qstatus->disabled;
ac_status->flow_required =
- tlv_wmm_qstatus->flow_required;
+ tlv_wmm_qstatus->flow_required;
ac_status->flow_created = tlv_wmm_qstatus->flow_created;
break;
@@ -773,29 +771,27 @@ mwifiex_wmm_process_association_req(struct mwifiex_private *priv,
if (!wmm_ie)
return 0;
- dev_dbg(priv->adapter->dev, "info: WMM: process assoc req:"
- "bss->wmmIe=0x%x\n",
- wmm_ie->vend_hdr.element_id);
+ dev_dbg(priv->adapter->dev,
+ "info: WMM: process assoc req: bss->wmm_ie=%#x\n",
+ wmm_ie->vend_hdr.element_id);
- if ((priv->wmm_required
- || (ht_cap && (priv->adapter->config_bands & BAND_GN
- || priv->adapter->config_bands & BAND_AN))
- )
- && wmm_ie->vend_hdr.element_id == WLAN_EID_VENDOR_SPECIFIC) {
+ if ((priv->wmm_required ||
+ (ht_cap && (priv->adapter->config_bands & BAND_GN ||
+ priv->adapter->config_bands & BAND_AN))) &&
+ wmm_ie->vend_hdr.element_id == WLAN_EID_VENDOR_SPECIFIC) {
wmm_tlv = (struct mwifiex_ie_types_wmm_param_set *) *assoc_buf;
wmm_tlv->header.type = cpu_to_le16((u16) wmm_info_ie[0]);
wmm_tlv->header.len = cpu_to_le16((u16) wmm_info_ie[1]);
memcpy(wmm_tlv->wmm_ie, &wmm_info_ie[2],
- le16_to_cpu(wmm_tlv->header.len));
+ le16_to_cpu(wmm_tlv->header.len));
if (wmm_ie->qos_info_bitmap & IEEE80211_WMM_IE_AP_QOSINFO_UAPSD)
memcpy((u8 *) (wmm_tlv->wmm_ie
- + le16_to_cpu(wmm_tlv->header.len)
- - sizeof(priv->wmm_qosinfo)),
- &priv->wmm_qosinfo,
- sizeof(priv->wmm_qosinfo));
+ + le16_to_cpu(wmm_tlv->header.len)
+ - sizeof(priv->wmm_qosinfo)),
+ &priv->wmm_qosinfo, sizeof(priv->wmm_qosinfo));
ret_len = sizeof(wmm_tlv->header)
- + le16_to_cpu(wmm_tlv->header.len);
+ + le16_to_cpu(wmm_tlv->header.len);
*assoc_buf += ret_len;
}
@@ -814,7 +810,7 @@ mwifiex_wmm_process_association_req(struct mwifiex_private *priv,
*/
u8
mwifiex_wmm_compute_drv_pkt_delay(struct mwifiex_private *priv,
- const struct sk_buff *skb)
+ const struct sk_buff *skb)
{
u8 ret_val;
struct timeval out_tstamp, in_tstamp;
@@ -851,17 +847,18 @@ mwifiex_wmm_get_highest_priolist_ptr(struct mwifiex_adapter *adapter,
struct mwifiex_ra_list_tbl *ptr, *head;
struct mwifiex_bss_prio_node *bssprio_node, *bssprio_head;
struct mwifiex_tid_tbl *tid_ptr;
+ atomic_t *hqp;
int is_list_empty;
unsigned long flags;
int i, j;
for (j = adapter->priv_num - 1; j >= 0; --j) {
spin_lock_irqsave(&adapter->bss_prio_tbl[j].bss_prio_lock,
- flags);
+ flags);
is_list_empty = list_empty(&adapter->bss_prio_tbl[j]
- .bss_prio_head);
+ .bss_prio_head);
spin_unlock_irqrestore(&adapter->bss_prio_tbl[j].bss_prio_lock,
- flags);
+ flags);
if (is_list_empty)
continue;
@@ -880,12 +877,8 @@ mwifiex_wmm_get_highest_priolist_ptr(struct mwifiex_adapter *adapter,
}
do {
- atomic_t *hqp;
- spinlock_t *lock;
-
priv_tmp = bssprio_node->priv;
hqp = &priv_tmp->wmm.highest_queued_prio;
- lock = &priv_tmp->wmm.ra_list_spinlock;
for (i = atomic_read(hqp); i >= LOW_PRIO_TID; --i) {
@@ -924,16 +917,10 @@ mwifiex_wmm_get_highest_priolist_ptr(struct mwifiex_adapter *adapter,
do {
is_list_empty =
skb_queue_empty(&ptr->skb_head);
- if (!is_list_empty) {
- spin_lock_irqsave(lock, flags);
- if (atomic_read(hqp) > i)
- atomic_set(hqp, i);
- spin_unlock_irqrestore(lock,
- flags);
- *priv = priv_tmp;
- *tid = tos_to_tid[i];
- return ptr;
- }
+
+ if (!is_list_empty)
+ goto found;
+
/* Get next ra */
ptr = list_first_entry(&ptr->list,
struct mwifiex_ra_list_tbl,
@@ -970,6 +957,17 @@ mwifiex_wmm_get_highest_priolist_ptr(struct mwifiex_adapter *adapter,
} while (bssprio_node != bssprio_head);
}
return NULL;
+
+found:
+ spin_lock_irqsave(&priv_tmp->wmm.ra_list_spinlock, flags);
+ if (atomic_read(hqp) > i)
+ atomic_set(hqp, i);
+ spin_unlock_irqrestore(&priv_tmp->wmm.ra_list_spinlock, flags);
+
+ *priv = priv_tmp;
+ *tid = tos_to_tid[i];
+
+ return ptr;
}
/*
@@ -1209,25 +1207,24 @@ mwifiex_dequeue_tx_packet(struct mwifiex_adapter *adapter)
return 0;
}
- if (!ptr->is_11n_enabled || mwifiex_is_ba_stream_setup(priv, ptr, tid)
- || ((priv->sec_info.wpa_enabled
- || priv->sec_info.wpa2_enabled) && !priv->wpa_is_gtk_set)
- ) {
+ if (!ptr->is_11n_enabled ||
+ mwifiex_is_ba_stream_setup(priv, ptr, tid) ||
+ ((priv->sec_info.wpa_enabled ||
+ priv->sec_info.wpa2_enabled) &&
+ !priv->wpa_is_gtk_set)) {
mwifiex_send_single_packet(priv, ptr, ptr_index, flags);
/* ra_list_spinlock has been freed in
mwifiex_send_single_packet() */
} else {
if (mwifiex_is_ampdu_allowed(priv, tid)) {
if (mwifiex_space_avail_for_new_ba_stream(adapter)) {
- mwifiex_11n_create_tx_ba_stream_tbl(priv,
- ptr->ra, tid,
- BA_STREAM_SETUP_INPROGRESS);
+ mwifiex_create_ba_tbl(priv, ptr->ra, tid,
+ BA_SETUP_INPROGRESS);
mwifiex_send_addba(priv, tid, ptr->ra);
} else if (mwifiex_find_stream_to_delete
(priv, tid, &tid_del, ra)) {
- mwifiex_11n_create_tx_ba_stream_tbl(priv,
- ptr->ra, tid,
- BA_STREAM_SETUP_INPROGRESS);
+ mwifiex_create_ba_tbl(priv, ptr->ra, tid,
+ BA_SETUP_INPROGRESS);
mwifiex_send_delba(priv, tid_del, ra, 1);
}
}