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mac80211: pass dtim_period to low level driver

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This patch adds the dtim_period in ieee80211_bss_conf, this allows the low
level driver to know the dtim_period, and to plan power save accordingly.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Emmanuel Grumbach 2008-07-18 13:52:59 +08:00 • committed by John W. Linville
commit 98f7dfd86c
4 changed files with 28 additions and 1 deletions
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13
include/linux/ieee80211.h
View file

@ -506,6 +506,19 @@ struct ieee80211_channel_sw_ie {
u8 count;
} __attribute__ ((packed));
/**
* struct ieee80211_tim
*
* This structure refers to "Traffic Indication Map information element"
*/
struct ieee80211_tim_ie {
u8 dtim_count;
u8 dtim_period;
u8 bitmap_ctrl;
/* variable size: 1 - 251 bytes */
u8 virtual_map[0];
} __attribute__ ((packed));
struct ieee80211_mgmt {
__le16 frame_control;
__le16 duration;

4
include/net/mac80211.h
View file

@ -177,9 +177,10 @@ enum ieee80211_bss_change {
* @aid: association ID number, valid only when @assoc is true
* @use_cts_prot: use CTS protection
* @use_short_preamble: use 802.11b short preamble
* @dtim_period: num of beacons before the next DTIM, for PSM
* @timestamp: beacon timestamp
* @beacon_int: beacon interval
* @assoc_capability: capabbilities taken from assoc resp
* @assoc_capability: capabilities taken from assoc resp
* @assoc_ht: association in HT mode
* @ht_conf: ht capabilities
* @ht_bss_conf: ht extended capabilities
@ -191,6 +192,7 @@ struct ieee80211_bss_conf {
/* erp related data */
bool use_cts_prot;
bool use_short_preamble;
u8 dtim_period;
u16 beacon_int;
u16 assoc_capability;
u64 timestamp;