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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.c77
1 files changed, 63 insertions, 14 deletions
diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c
index 3fa4d4176993..600d8194610e 100644
--- a/drivers/net/wireless/mwifiex/wmm.c
+++ b/drivers/net/wireless/mwifiex/wmm.c
@@ -127,6 +127,29 @@ mwifiex_wmm_allocate_ralist_node(struct mwifiex_adapter *adapter, u8 *ra)
return ra_list;
}
+/* This function returns random no between 16 and 32 to be used as threshold
+ * for no of packets after which BA setup is initiated.
+ */
+static u8 mwifiex_get_random_ba_threshold(void)
+{
+ u32 sec, usec;
+ struct timeval ba_tstamp;
+ u8 ba_threshold;
+
+ /* setup ba_packet_threshold here random number between
+ * [BA_SETUP_PACKET_OFFSET,
+ * BA_SETUP_PACKET_OFFSET+BA_SETUP_MAX_PACKET_THRESHOLD-1]
+ */
+
+ do_gettimeofday(&ba_tstamp);
+ sec = (ba_tstamp.tv_sec & 0xFFFF) + (ba_tstamp.tv_sec >> 16);
+ usec = (ba_tstamp.tv_usec & 0xFFFF) + (ba_tstamp.tv_usec >> 16);
+ ba_threshold = (((sec << 16) + usec) % BA_SETUP_MAX_PACKET_THRESHOLD)
+ + BA_SETUP_PACKET_OFFSET;
+
+ return ba_threshold;
+}
+
/*
* This function allocates and adds a RA list for all TIDs
* with the given RA.
@@ -137,6 +160,12 @@ mwifiex_ralist_add(struct mwifiex_private *priv, u8 *ra)
int i;
struct mwifiex_ra_list_tbl *ra_list;
struct mwifiex_adapter *adapter = priv->adapter;
+ struct mwifiex_sta_node *node;
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->sta_list_spinlock, flags);
+ node = mwifiex_get_sta_entry(priv, ra);
+ spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
for (i = 0; i < MAX_NUM_TID; ++i) {
ra_list = mwifiex_wmm_allocate_ralist_node(adapter, ra);
@@ -145,14 +174,24 @@ mwifiex_ralist_add(struct mwifiex_private *priv, u8 *ra)
if (!ra_list)
break;
- if (!mwifiex_queuing_ra_based(priv))
+ ra_list->is_11n_enabled = 0;
+ if (!mwifiex_queuing_ra_based(priv)) {
ra_list->is_11n_enabled = IS_11N_ENABLED(priv);
- else
- ra_list->is_11n_enabled = false;
+ } else {
+ ra_list->is_11n_enabled =
+ mwifiex_is_sta_11n_enabled(priv, node);
+ if (ra_list->is_11n_enabled)
+ ra_list->max_amsdu = node->max_amsdu;
+ }
dev_dbg(adapter->dev, "data: ralist %p: is_11n_enabled=%d\n",
ra_list, ra_list->is_11n_enabled);
+ if (ra_list->is_11n_enabled) {
+ ra_list->pkt_count = 0;
+ ra_list->ba_packet_thr =
+ mwifiex_get_random_ba_threshold();
+ }
list_add_tail(&ra_list->list,
&priv->wmm.tid_tbl_ptr[i].ra_list);
@@ -423,7 +462,7 @@ mwifiex_wmm_lists_empty(struct mwifiex_adapter *adapter)
for (i = 0; i < adapter->priv_num; ++i) {
priv = adapter->priv[i];
if (priv && atomic_read(&priv->wmm.tx_pkts_queued))
- return false;
+ return false;
}
return true;
@@ -609,7 +648,7 @@ mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv,
u8 ra[ETH_ALEN], tid_down;
unsigned long flags;
- if (!priv->media_connected) {
+ if (!priv->media_connected && !mwifiex_is_skb_mgmt_frame(skb)) {
dev_dbg(adapter->dev, "data: drop packet in disconnect\n");
mwifiex_write_data_complete(adapter, skb, -1);
return;
@@ -624,7 +663,8 @@ mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv,
/* 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 (!mwifiex_queuing_ra_based(priv)) {
+ if (!mwifiex_queuing_ra_based(priv) &&
+ !mwifiex_is_skb_mgmt_frame(skb)) {
if (!list_empty(&priv->wmm.tid_tbl_ptr[tid_down].ra_list))
ra_list = list_first_entry(
&priv->wmm.tid_tbl_ptr[tid_down].ra_list,
@@ -633,7 +673,7 @@ mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv,
ra_list = NULL;
} else {
memcpy(ra, skb->data, ETH_ALEN);
- if (ra[0] & 0x01)
+ if (ra[0] & 0x01 || mwifiex_is_skb_mgmt_frame(skb))
memset(ra, 0xff, ETH_ALEN);
ra_list = mwifiex_wmm_get_queue_raptr(priv, tid_down, ra);
}
@@ -647,6 +687,7 @@ mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv,
skb_queue_tail(&ra_list->skb_head, skb);
ra_list->total_pkts_size += skb->len;
+ ra_list->pkt_count++;
atomic_inc(&priv->wmm.tx_pkts_queued);
@@ -867,17 +908,16 @@ mwifiex_wmm_get_highest_priolist_ptr(struct mwifiex_adapter *adapter,
if (adapter->bss_prio_tbl[j].bss_prio_cur ==
(struct mwifiex_bss_prio_node *)
&adapter->bss_prio_tbl[j].bss_prio_head) {
- bssprio_node =
+ adapter->bss_prio_tbl[j].bss_prio_cur =
list_first_entry(&adapter->bss_prio_tbl[j]
.bss_prio_head,
struct mwifiex_bss_prio_node,
list);
- bssprio_head = bssprio_node;
- } else {
- bssprio_node = adapter->bss_prio_tbl[j].bss_prio_cur;
- bssprio_head = bssprio_node;
}
+ bssprio_node = adapter->bss_prio_tbl[j].bss_prio_cur;
+ bssprio_head = bssprio_node;
+
do {
priv_tmp = bssprio_node->priv;
hqp = &priv_tmp->wmm.highest_queued_prio;
@@ -986,10 +1026,17 @@ mwifiex_is_11n_aggragation_possible(struct mwifiex_private *priv,
{
int count = 0, total_size = 0;
struct sk_buff *skb, *tmp;
+ int max_amsdu_size;
+
+ if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP && priv->ap_11n_enabled &&
+ ptr->is_11n_enabled)
+ max_amsdu_size = min_t(int, ptr->max_amsdu, max_buf_size);
+ else
+ max_amsdu_size = max_buf_size;
skb_queue_walk_safe(&ptr->skb_head, skb, tmp) {
total_size += skb->len;
- if (total_size >= max_buf_size)
+ if (total_size >= max_amsdu_size)
break;
if (++count >= MIN_NUM_AMSDU)
return true;
@@ -1050,6 +1097,7 @@ mwifiex_send_single_packet(struct mwifiex_private *priv,
skb_queue_tail(&ptr->skb_head, skb);
ptr->total_pkts_size += skb->len;
+ ptr->pkt_count++;
tx_info->flags |= MWIFIEX_BUF_FLAG_REQUEUED_PKT;
spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock,
ra_list_flags);
@@ -1231,7 +1279,8 @@ mwifiex_dequeue_tx_packet(struct mwifiex_adapter *adapter)
/* ra_list_spinlock has been freed in
mwifiex_send_single_packet() */
} else {
- if (mwifiex_is_ampdu_allowed(priv, tid)) {
+ if (mwifiex_is_ampdu_allowed(priv, tid) &&
+ ptr->pkt_count > ptr->ba_packet_thr) {
if (mwifiex_space_avail_for_new_ba_stream(adapter)) {
mwifiex_create_ba_tbl(priv, ptr->ra, tid,
BA_SETUP_INPROGRESS);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 05:54:36 +0100