From: Ben Greear <greearb@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
---
:100644 100644 c155c0b... 86562ce... M net/mac80211/main.c
:100644 100644 93da164... 1f277c9... M net/mac80211/scan.c
net/mac80211/main.c | 16 ++++++++++++++--
net/mac80211/scan.c | 6 ++----
2 files changed, 16 insertions(+), 6 deletions(-)
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index c155c0b..86562ce 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 93da164..1f277c9 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -574,8 +574,7 @@ 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
@@ -677,8 +676,7 @@ 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;
--
1.7.2.3
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
