diff options
| author | Johannes Berg <johannes@sipsolutions.net> | 2010-01-26 16:19:52 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-01-26 19:53:21 +0300 |
| commit | 56007a028c51cbf800a6c969d6f6431d23443b99 (patch) | |
| tree | 8bc0280467824ed3b5f95810444b1f8e1ebc2750 /include | |
| parent | c21dbf9214bce129f92e1af05552553ff0e318ed (diff) | |
| download | linux-56007a028c51cbf800a6c969d6f6431d23443b99.tar.xz | |
mac80211: wait for beacon before enabling powersave
Because DTIM information is required for powersave
but is only conveyed in beacons, wait for a beacon
before enabling powersave, and change the way the
information is conveyed to the driver accordingly.
mwl8k doesn't currently seem to implement PS but
requires the DTIM period in a different way; after
talking to Lennert we agreed to just have mwl8k do
the parsing itself in the finalize_join work.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/mac80211.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index f64402f6312b..1e9c93024cf2 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -186,7 +186,8 @@ enum ieee80211_bss_change { * @use_short_slot: use short slot time (only relevant for ERP); * if the hardware cannot handle this it must set the * IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE hardware flag - * @dtim_period: num of beacons before the next DTIM, for PSM + * @dtim_period: num of beacons before the next DTIM, for beaconing, + * not valid in station mode (cf. hw conf ps_dtim_period) * @timestamp: beacon timestamp * @beacon_int: beacon interval * @assoc_capability: capabilities taken from assoc resp @@ -648,6 +649,9 @@ enum ieee80211_smps_mode { * value will be only achievable between DTIM frames, the hardware * needs to check for the multicast traffic bit in DTIM beacons. * This variable is valid only when the CONF_PS flag is set. + * @ps_dtim_period: The DTIM period of the AP we're connected to, for use + * in power saving. Power saving will not be enabled until a beacon + * has been received and the DTIM period is known. * @dynamic_ps_timeout: The dynamic powersave timeout (in ms), see the * powersave documentation below. This variable is valid only when * the CONF_PS flag is set. @@ -674,6 +678,7 @@ struct ieee80211_conf { int max_sleep_period; u16 listen_interval; + u8 ps_dtim_period; u8 long_frame_max_tx_count, short_frame_max_tx_count; |