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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2012-12-12 12:12:24 +0400
committerJohannes Berg <johannes.berg@intel.com>2013-01-31 17:05:38 +0400
commitc65dd1477b6fe5971489dd8b6e28a07ec277fdd6 (patch)
tree01f740a3fa02bc957b22575fcd1bb486b0af6e43 /net/mac80211/debugfs.c
parentfdcb786930777231c81f487ab2526d33971a3438 (diff)
downloadlinux-c65dd1477b6fe5971489dd8b6e28a07ec277fdd6.tar.xz
mac80211: inform the driver about update of dtim_period
Currently, when the driver requires the DTIM period, mac80211 will wait to hear a beacon before association. This behavior is suboptimal since some drivers may be able to deal with knowing the DTIM period after the association, if they get it at all. To address this, notify the drivers with bss_info_changed with the new BSS_CHANGED_DTIM_PERIOD flag when the DTIM becomes known. This might be when changing to associated, or later when the entire association was done with only probe response information. Rename the hardware flag for the current behaviour to IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC to more accurately reflect its behaviour. IEEE80211_HW_NEED_DTIM_PERIOD is no longer accurate as all drivers get the DTIM period now, just not before association. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/debugfs.c')
-rw-r--r--net/mac80211/debugfs.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 466f4b45dd94..8e6040998ba6 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -121,8 +121,8 @@ static ssize_t hwflags_read(struct file *file, char __user *user_buf,
sf += snprintf(buf + sf, mxln - sf, "SIGNAL_UNSPEC\n");
if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
sf += snprintf(buf + sf, mxln - sf, "SIGNAL_DBM\n");
- if (local->hw.flags & IEEE80211_HW_NEED_DTIM_PERIOD)
- sf += snprintf(buf + sf, mxln - sf, "NEED_DTIM_PERIOD\n");
+ if (local->hw.flags & IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC)
+ sf += snprintf(buf + sf, mxln - sf, "NEED_DTIM_BEFORE_ASSOC\n");
if (local->hw.flags & IEEE80211_HW_SPECTRUM_MGMT)
sf += snprintf(buf + sf, mxln - sf, "SPECTRUM_MGMT\n");
if (local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION)