diff options
author | Kalle Valo <kalle.valo@nokia.com> | 2009-02-10 17:09:31 +0200 |
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committer | John W. Linville <linville@tuxdriver.com> | 2009-02-13 13:45:17 -0500 |
commit | 572e00122190e3064fa19bd9780b146d2d0f1905 (patch) | |
tree | ae8423958dd012af1dca83718b3035f2e75c53ec /include/net/ip6_checksum.h | |
parent | 1fb3606bc5864c64c78ce4e1751e5382a9a5aa84 (diff) |
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 'include/net/ip6_checksum.h')
0 files changed, 0 insertions, 0 deletions