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mwifiex: CPU mips optimization with NO_PKT_PRIO_TID

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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>
This commit is contained in:
Marc Yang 2011-05-16 19:17:52 -07:00 committed by John W. Linville
parent 9396814787
commit 17e8cec875
2 changed files with 7 additions and 0 deletions
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1
drivers/net/wireless/mwifiex/main.h
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@ -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];

6
drivers/net/wireless/mwifiex/wmm.c
View file

@ -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,