summaryrefslogtreecommitdiff
path: root/net/mac80211
diff options
context:
space:
mode:
authorBen Greear <greearb@candelatech.com>2011-02-07 13:44:35 -0800
committerJohn W. Linville <linville@tuxdriver.com>2011-02-09 16:09:46 -0500
commit4f2e9d91f84ce39698517203974ffc2bcc32a21d (patch)
tree32a0b7b1856f4249ad7c2bdb39a757821fd90fff /net/mac80211
parent4d51e149a6231ea9cc210795cbc358a7c9a8e016 (diff)
mac80211: Allow scanning on existing channel-type.
Previous code set the channel type to NO_HT, but it appears that NO_HT packets can be sent on any channel type, so we do not need to change the channel type as long as the channel is correct. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/main.c16
-rw-r--r--net/mac80211/scan.c6
2 files changed, 16 insertions, 6 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index c155c0b69426..86562ce99221 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -112,7 +112,13 @@ bool ieee80211_cfg_on_oper_channel(struct ieee80211_local *local)
/* This logic needs to match logic in ieee80211_hw_config */
if (local->scan_channel) {
chan = local->scan_channel;
- channel_type = NL80211_CHAN_NO_HT;
+ /* If scanning on oper channel, use whatever channel-type
+ * is currently in use.
+ */
+ if (chan == local->oper_channel)
+ channel_type = local->_oper_channel_type;
+ else
+ channel_type = NL80211_CHAN_NO_HT;
} else if (local->tmp_channel) {
chan = scan_chan = local->tmp_channel;
channel_type = local->tmp_channel_type;
@@ -151,7 +157,13 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;
if (scan_chan) {
chan = scan_chan;
- channel_type = NL80211_CHAN_NO_HT;
+ /* If scanning on oper channel, use whatever channel-type
+ * is currently in use.
+ */
+ if (chan == local->oper_channel)
+ channel_type = local->_oper_channel_type;
+ else
+ channel_type = NL80211_CHAN_NO_HT;
} else if (local->tmp_channel) {
chan = scan_chan = local->tmp_channel;
channel_type = local->tmp_channel_type;
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 0ea6adae3e06..0e70d7a160b4 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -517,8 +517,7 @@ static void ieee80211_scan_state_decision(struct ieee80211_local *local,
if (ieee80211_cfg_on_oper_channel(local)) {
/* We're currently on operating channel. */
- if ((next_chan == local->oper_channel) &&
- (local->_oper_channel_type == NL80211_CHAN_NO_HT))
+ if (next_chan == local->oper_channel)
/* We don't need to move off of operating channel. */
local->next_scan_state = SCAN_SET_CHANNEL;
else
@@ -620,8 +619,7 @@ static void ieee80211_scan_state_set_channel(struct ieee80211_local *local,
local->scan_channel = chan;
/* Only call hw-config if we really need to change channels. */
- if ((chan != local->hw.conf.channel) ||
- (local->hw.conf.channel_type != NL80211_CHAN_NO_HT))
+ if (chan != local->hw.conf.channel)
if (ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL))
skip = 1;