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mwl8k: Enable support to support additional ampdu streams

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Currently, we have 2 ampdu streams that can be created
simultaneously. Firmware is capable of supporting
additional streams. Add support to use these streams.

Signed-off-by: Nishant Sarmukadam <nishants@marvell.com>
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Yogesh Ashok Powar 2013-01-03 13:22:56 +05:30 committed by John W. Linville
parent 5f2a14940d
commit 7fb978b7e9
1 changed files with 27 additions and 4 deletions
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31
drivers/net/wireless/mwl8k.c
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@ -101,6 +101,18 @@ MODULE_PARM_DESC(ap_mode_default,
#define MWL8K_MAX_TX_QUEUES (MWL8K_TX_WMM_QUEUES + MWL8K_MAX_AMPDU_QUEUES)
#define mwl8k_tx_queues(priv) (MWL8K_TX_WMM_QUEUES + (priv)->num_ampdu_queues)
/* txpriorities are mapped with hw queues.
* Each hw queue has a txpriority.
*/
#define TOTAL_HW_TX_QUEUES 8
/* Each HW queue can have one AMPDU stream.
* But, because one of the hw queue is reserved,
* maximum AMPDU queues that can be created are
* one short of total tx queues.
*/
#define MWL8K_NUM_AMPDU_STREAMS (TOTAL_HW_TX_QUEUES - 1)
struct rxd_ops {
int rxd_size;
void (*rxd_init)(void *rxd, dma_addr_t next_dma_addr);
@ -1733,7 +1745,7 @@ mwl8k_add_stream(struct ieee80211_hw *hw, struct ieee80211_sta *sta, u8 tid)
struct mwl8k_priv *priv = hw->priv;
int i;
for (i = 0; i < priv->num_ampdu_queues; i++) {
for (i = 0; i < MWL8K_NUM_AMPDU_STREAMS; i++) {
stream = &priv->ampdu[i];
if (stream->state == AMPDU_NO_STREAM) {
stream->sta = sta;
@ -1780,7 +1792,7 @@ mwl8k_lookup_stream(struct ieee80211_hw *hw, u8 *addr, u8 tid)
struct mwl8k_priv *priv = hw->priv;
int i;
for (i = 0 ; i < priv->num_ampdu_queues; i++) {
for (i = 0; i < MWL8K_NUM_AMPDU_STREAMS; i++) {
struct mwl8k_ampdu_stream *stream;
stream = &priv->ampdu[i];
if (stream->state == AMPDU_NO_STREAM)
@ -1827,6 +1839,13 @@ static inline void mwl8k_tx_count_packet(struct ieee80211_sta *sta, u8 tid)
tx_stats->pkts++;
}
/* The hardware ampdu queues start from 5.
* txpriorities for ampdu queues are
* 5 6 7 0 1 2 3 4 ie., queue 5 is highest
* and queue 3 is lowest (queue 4 is reserved)
*/
#define BA_QUEUE 5
static void
mwl8k_txq_xmit(struct ieee80211_hw *hw,
int index,
@ -1927,8 +1946,12 @@ mwl8k_txq_xmit(struct ieee80211_hw *hw,
if (stream != NULL) {
if (stream->state == AMPDU_STREAM_ACTIVE) {
WARN_ON(!(qos & MWL8K_QOS_ACK_POLICY_BLOCKACK));
txpriority = stream->idx + MWL8K_TX_WMM_QUEUES;
index = stream->idx + MWL8K_TX_WMM_QUEUES;
txpriority = (BA_QUEUE + stream->idx) %
TOTAL_HW_TX_QUEUES;
if (stream->idx <= 1)
index = stream->idx +
MWL8K_TX_WMM_QUEUES;
} else if (stream->state == AMPDU_STREAM_NEW) {
/* We get here if the driver sends us packets
* after we've initiated a stream, but before