diff options
| author | Zhaoyang Liu <liuzy@marvell.com> | 2015-03-13 15:07:57 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2015-03-16 19:12:33 +0300 |
| commit | e35000ead491d71e59ab6f7458971321e06150a0 (patch) | |
| tree | 3eb58299075b684e4a3865debecce6aacafb7c6d /drivers/net/wireless/mwifiex/11n_aggr.c | |
| parent | 690e792cb9d78c3bcaf4a6a8387dbbfbafad579f (diff) | |
| download | linux-e35000ead491d71e59ab6f7458971321e06150a0.tar.xz | |
mwifiex: preprocess packets from TX queue
During profiling, we discovered that driver remains idle for time
when pakcet is downloaded to FW but no TX_DONE has been received
i.e. while data_sent is true.
This patch adds enhancement to TX routine where we preprocess
packets from TX queue, make them ready for TX and add them to
separate TX queue.
Signed-off-by: Zhaoyang Liu <liuzy@marvell.com>
Signed-off-by: Marc Yang <yangyang@marvell.com>
Signed-off-by: Chin-ran Lo <crlo@marvell.com>
Reviewed-by: Cathy Luo <cluo@marvell.com>
Reviewed-by: Amitkumar Karwar <akarwar@marvell.com>
Reviewed-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/mwifiex/11n_aggr.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/11n_aggr.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c index 9b983b5cebbd..6183e255e62a 100644 --- a/drivers/net/wireless/mwifiex/11n_aggr.c +++ b/drivers/net/wireless/mwifiex/11n_aggr.c @@ -170,7 +170,7 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, struct mwifiex_adapter *adapter = priv->adapter; struct sk_buff *skb_aggr, *skb_src; struct mwifiex_txinfo *tx_info_aggr, *tx_info_src; - int pad = 0, ret; + int pad = 0, aggr_num = 0, ret; struct mwifiex_tx_param tx_param; struct txpd *ptx_pd = NULL; struct timeval tv; @@ -184,7 +184,8 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, } tx_info_src = MWIFIEX_SKB_TXCB(skb_src); - skb_aggr = dev_alloc_skb(adapter->tx_buf_size); + skb_aggr = mwifiex_alloc_dma_align_buf(adapter->tx_buf_size, + GFP_ATOMIC | GFP_DMA); if (!skb_aggr) { dev_err(adapter->dev, "%s: alloc skb_aggr\n", __func__); spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, @@ -200,6 +201,7 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, if (tx_info_src->flags & MWIFIEX_BUF_FLAG_TDLS_PKT) tx_info_aggr->flags |= MWIFIEX_BUF_FLAG_TDLS_PKT; + tx_info_aggr->flags |= MWIFIEX_BUF_FLAG_AGGR_PKT; skb_aggr->priority = skb_src->priority; do_gettimeofday(&tv); @@ -211,11 +213,9 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, break; skb_src = skb_dequeue(&pra_list->skb_head); - pra_list->total_pkt_count--; - atomic_dec(&priv->wmm.tx_pkts_queued); - + aggr_num++; spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, ra_list_flags); mwifiex_11n_form_amsdu_pkt(skb_aggr, skb_src, &pad); @@ -251,6 +251,12 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, ptx_pd = (struct txpd *)skb_aggr->data; skb_push(skb_aggr, headroom); + tx_info_aggr->aggr_num = aggr_num * 2; + if (adapter->data_sent || adapter->tx_lock_flag) { + atomic_add(aggr_num * 2, &adapter->tx_queued); + skb_queue_tail(&adapter->tx_data_q, skb_aggr); + return 0; + } if (adapter->iface_type == MWIFIEX_USB) { adapter->data_sent = true; |