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| author | Ido Yariv <ido@wizery.com> | 2010-10-12 18:20:06 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-11-15 21:25:06 +0300 |
| commit | 25eeb9e3876a161e3afcc820c6cb72e13f9b7c7e (patch) | |
| tree | 433aef6e8bc0ec254c99ebbfce150cb104078185 /drivers/net/wireless/wl12xx/wl1271_main.c | |
| parent | a522550a283de31c7cfc30c7a129ce584e38c582 (diff) | |
| download | linux-25eeb9e3876a161e3afcc820c6cb72e13f9b7c7e.tar.xz | |
wl1271: Allocate TX descriptors more efficiently
On each TX descriptor allocation, a free entry is found by traversing the TX
descriptors array.
Improve this by holding a bitmap of all TX descriptors, and using efficient
bit operations to search for free entries.
Signed-off-by: Ido Yariv <ido@wizery.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_main.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_main.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c index 18aff225bf82..0fd472597fa6 100644 --- a/drivers/net/wireless/wl12xx/wl1271_main.c +++ b/drivers/net/wireless/wl12xx/wl1271_main.c @@ -2532,6 +2532,7 @@ struct ieee80211_hw *wl1271_alloc_hw(void) wl->sg_enabled = true; wl->hw_pg_ver = -1; + memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map)); for (i = 0; i < ACX_TX_DESCRIPTORS; i++) wl->tx_frames[i] = NULL; |