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| author | Marc Yang <yangyang@marvell.com> | 2011-05-16 19:17:52 -0700 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-05-19 13:53:57 -0400 |
| commit | 17e8cec87586c26b953c6541c8a045e906ea046c (patch) | |
| tree | abdb7b38d69370d7a326ef6f6d0f0e5afaf8c7dc | |
| parent | 93968147874508e6dd534af1e236a7353269da3f (diff) | |
| download | linux-17e8cec87586c26b953c6541c8a045e906ea046c.tar.gz | |
mwifiex: CPU mips optimization with NO_PKT_PRIO_TID
If we go through the entire for loop in mwifiex_wmm_get_highest_priolist_ptr() and don't find any packets, set highest_queued_prio to NO_PKT_PRIO_TID (< LOW_PRIO_TID). 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>
| -rw-r--r-- | drivers/net/wireless/mwifiex/main.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/mwifiex/wmm.c | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index ea3184d15674..3154b0a31ea6 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -202,6 +202,7 @@ struct mwifiex_tid_tbl { #define WMM_HIGHEST_PRIORITY 7 #define HIGH_PRIO_TID 7 #define LOW_PRIO_TID 0 +#define NO_PKT_PRIO_TID (-1) struct mwifiex_wmm_desc { struct mwifiex_tid_tbl tid_tbl_ptr[MAX_NUM_TID]; diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c index 784ad4c00995..91634daec306 100644 --- a/drivers/net/wireless/mwifiex/wmm.c +++ b/drivers/net/wireless/mwifiex/wmm.c @@ -946,6 +946,12 @@ mwifiex_wmm_get_highest_priolist_ptr(struct mwifiex_adapter *adapter, } while (ptr != head); } + /* No packet at any TID for this priv. Mark as such + * to skip checking TIDs for this priv (until pkt is + * added). + */ + atomic_set(hqp, NO_PKT_PRIO_TID); + /* Get next bss priority node */ bssprio_node = list_first_entry(&bssprio_node->list, struct mwifiex_bss_prio_node, |