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-rw-r--r--drivers/net/wireless/mwifiex/11n.h14
-rw-r--r--drivers/net/wireless/mwifiex/11n_rxreorder.c15
-rw-r--r--drivers/net/wireless/mwifiex/11n_rxreorder.h2
-rw-r--r--drivers/net/wireless/mwifiex/main.h3
-rw-r--r--drivers/net/wireless/mwifiex/uap_event.c21
-rw-r--r--drivers/net/wireless/mwifiex/wmm.c59
6 files changed, 105 insertions, 9 deletions
diff --git a/drivers/net/wireless/mwifiex/11n.h b/drivers/net/wireless/mwifiex/11n.h
index 28366e9211fb..6d2edb4c2ad2 100644
--- a/drivers/net/wireless/mwifiex/11n.h
+++ b/drivers/net/wireless/mwifiex/11n.h
@@ -157,4 +157,18 @@ mwifiex_is_ba_stream_setup(struct mwifiex_private *priv,
return false;
}
+
+/*
+ * This function checks whether associated station is 11n enabled
+ */
+static inline int mwifiex_is_sta_11n_enabled(struct mwifiex_private *priv,
+ struct mwifiex_sta_node *node)
+{
+
+ if (!node || (priv->bss_role != MWIFIEX_BSS_ROLE_UAP) ||
+ !priv->ap_11n_enabled)
+ return 0;
+
+ return node->is_11n_enabled;
+}
#endif /* !_MWIFIEX_11N_H_ */
diff --git a/drivers/net/wireless/mwifiex/11n_rxreorder.c b/drivers/net/wireless/mwifiex/11n_rxreorder.c
index 20367fe1de44..e43d27dc06bf 100644
--- a/drivers/net/wireless/mwifiex/11n_rxreorder.c
+++ b/drivers/net/wireless/mwifiex/11n_rxreorder.c
@@ -235,6 +235,7 @@ mwifiex_11n_create_rx_reorder_tbl(struct mwifiex_private *priv, u8 *ta,
struct mwifiex_rx_reorder_tbl *tbl, *new_node;
u16 last_seq = 0;
unsigned long flags;
+ struct mwifiex_sta_node *node;
/*
* If we get a TID, ta pair which is already present dispatch all the
@@ -257,13 +258,19 @@ mwifiex_11n_create_rx_reorder_tbl(struct mwifiex_private *priv, u8 *ta,
new_node->tid = tid;
memcpy(new_node->ta, ta, ETH_ALEN);
new_node->start_win = seq_num;
- if (mwifiex_queuing_ra_based(priv))
- /* TODO for adhoc */
+
+ if (mwifiex_queuing_ra_based(priv)) {
dev_dbg(priv->adapter->dev,
- "info: ADHOC:last_seq=%d start_win=%d\n",
+ "info: AP/ADHOC:last_seq=%d start_win=%d\n",
last_seq, new_node->start_win);
- else
+ if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP) {
+ node = mwifiex_get_sta_entry(priv, ta);
+ if (node)
+ last_seq = node->rx_seq[tid];
+ }
+ } else {
last_seq = priv->rx_seq[tid];
+ }
if (last_seq != MWIFIEX_DEF_11N_RX_SEQ_NUM &&
last_seq >= new_node->start_win)
diff --git a/drivers/net/wireless/mwifiex/11n_rxreorder.h b/drivers/net/wireless/mwifiex/11n_rxreorder.h
index 1cd51d86fa57..13ecb6101e23 100644
--- a/drivers/net/wireless/mwifiex/11n_rxreorder.h
+++ b/drivers/net/wireless/mwifiex/11n_rxreorder.h
@@ -38,6 +38,8 @@
#define ADDBA_RSP_STATUS_ACCEPT 0
#define MWIFIEX_DEF_11N_RX_SEQ_NUM 0xffff
+#define BA_SETUP_MAX_PACKET_THRESHOLD 16
+#define BA_SETUP_PACKET_OFFSET 16
static inline void mwifiex_reset_11n_rx_seq_num(struct mwifiex_private *priv)
{
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index 014fe9ab221f..c39cd8e50f9f 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -200,6 +200,9 @@ struct mwifiex_ra_list_tbl {
u8 ra[ETH_ALEN];
u32 total_pkts_size;
u32 is_11n_enabled;
+ u16 max_amsdu;
+ u16 pkt_count;
+ u8 ba_packet_thr;
};
struct mwifiex_tid_tbl {
diff --git a/drivers/net/wireless/mwifiex/uap_event.c b/drivers/net/wireless/mwifiex/uap_event.c
index 6270c809130a..a10bd95aec12 100644
--- a/drivers/net/wireless/mwifiex/uap_event.c
+++ b/drivers/net/wireless/mwifiex/uap_event.c
@@ -19,6 +19,7 @@
#include "decl.h"
#include "main.h"
+#include "11n.h"
/*
* This function will return the pointer to station entry in station list
@@ -168,6 +169,7 @@ int mwifiex_process_uap_event(struct mwifiex_private *priv)
struct mwifiex_assoc_event *event;
struct mwifiex_sta_node *node;
u8 *deauth_mac;
+ struct host_cmd_ds_11n_batimeout *ba_timeout;
switch (eventcause) {
case EVENT_UAP_STA_ASSOC:
@@ -255,6 +257,25 @@ int mwifiex_process_uap_event(struct mwifiex_private *priv)
adapter->tx_buf_size);
}
break;
+ case EVENT_ADDBA:
+ dev_dbg(adapter->dev, "event: ADDBA Request\n");
+ if (priv->media_connected)
+ mwifiex_send_cmd_async(priv, HostCmd_CMD_11N_ADDBA_RSP,
+ HostCmd_ACT_GEN_SET, 0,
+ adapter->event_body);
+ break;
+ case EVENT_DELBA:
+ dev_dbg(adapter->dev, "event: DELBA Request\n");
+ if (priv->media_connected)
+ mwifiex_11n_delete_ba_stream(priv, adapter->event_body);
+ break;
+ case EVENT_BA_STREAM_TIEMOUT:
+ dev_dbg(adapter->dev, "event: BA Stream timeout\n");
+ if (priv->media_connected) {
+ ba_timeout = (void *)adapter->event_body;
+ mwifiex_11n_ba_stream_timeout(priv, ba_timeout);
+ }
+ break;
default:
dev_dbg(adapter->dev, "event: unknown event id: %#x\n",
eventcause);
diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c
index 3fa4d4176993..8ccd6999fa9f 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);
@@ -647,6 +686,7 @@ 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);
@@ -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 2.25.1) at 2024-11-20 00:02:18 +0000