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| author | Marc Yang <yangyang@marvell.com> | 2011-05-16 19:17:49 -0700 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-05-19 13:53:55 -0400 |
| commit | f699254c7126d7df94491dfd4c3648f8ec0c0d51 (patch) | |
| tree | 8df2829d738771c9915c728ac4a8e1b051fcd7c0 /drivers/net/wireless/mwifiex/11n_aggr.c | |
| parent | 7176ba23f8b589b1df3229574ff46fb904ce9ec5 (diff) | |
| download | kernel_samsung_smdk4412-f699254c7126d7df94491dfd4c3648f8ec0c0d51.zip kernel_samsung_smdk4412-f699254c7126d7df94491dfd4c3648f8ec0c0d51.tar.gz kernel_samsung_smdk4412-f699254c7126d7df94491dfd4c3648f8ec0c0d51.tar.bz2 | |
mwifiex: reduce CPU usage by tracking tx_pkts_queued
This patch adds tx_pkts_queued to track number of packets being
enqueued & dequeued so that mwifiex_wmm_lists_empty() evaluation
is lightweight.
Signed-off-by: Marc Yang <yangyang@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/mwifiex/11n_aggr.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/11n_aggr.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c index d3d5e08..f807447 100644 --- a/drivers/net/wireless/mwifiex/11n_aggr.c +++ b/drivers/net/wireless/mwifiex/11n_aggr.c @@ -196,6 +196,8 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, if (skb_src) pra_list->total_pkts_size -= skb_src->len; + atomic_dec(&priv->wmm.tx_pkts_queued); + spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, ra_list_flags); mwifiex_11n_form_amsdu_pkt(skb_aggr, skb_src, &pad); @@ -257,6 +259,8 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, pra_list->total_pkts_size += skb_aggr->len; + atomic_inc(&priv->wmm.tx_pkts_queued); + tx_info_aggr->flags |= MWIFIEX_BUF_FLAG_REQUEUED_PKT; spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, ra_list_flags); |