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| author | Kalle Valo <kalle.valo@nokia.com> | 2009-02-10 17:09:31 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-02-13 13:45:17 -0500 |
| commit | 572e00122190e3064fa19bd9780b146d2d0f1905 (patch) | |
| tree | ae8423958dd012af1dca83718b3035f2e75c53ec /net/mac80211/ieee80211_i.h | |
| parent | 1fb3606bc5864c64c78ce4e1751e5382a9a5aa84 (diff) | |
| download | linux-572e00122190e3064fa19bd9780b146d2d0f1905.tar.gz linux-572e00122190e3064fa19bd9780b146d2d0f1905.tar.bz2 linux-572e00122190e3064fa19bd9780b146d2d0f1905.zip | |
mac80211: use ps-poll when dynamic power save mode is disabled
When a directed tim bit is set, mac80211 currently disables power save
ands sends a null frame to the AP. But if dynamic power save is
disabled, mac80211 will not enable power save ever gain. Fix this by
adding ps-poll functionality to mac80211. When a directed tim bit is
set, mac80211 sends a ps-poll frame to the AP and checks for the more
data bit in the returned data frames.
Using ps-poll is slower than waking up with null frame, but it's saves more
power in cases where the traffic is low. Userspace can control if either
ps-poll or null wakeup method is used by enabling and disabling dynamic
power save.
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/ieee80211_i.h')
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 5a1f19ad43c8..67bd5220cf40 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -728,6 +728,7 @@ struct ieee80211_local { unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ bool powersave; + bool pspolling; struct work_struct dynamic_ps_enable_work; struct work_struct dynamic_ps_disable_work; struct timer_list dynamic_ps_timer; @@ -921,6 +922,8 @@ u32 ieee80211_sta_get_rates(struct ieee80211_local *local, enum ieee80211_band band); void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, u8 *ssid, size_t ssid_len); +void ieee80211_send_pspoll(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata); /* scan/BSS handling */ int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, |