Search Linux Wireless

[PATCH v3 03/11] wifi: mac80211: use vif radio mask to limit creating chanctx

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Reject frequencies not supported by any radio that the vif is allowed to use.

Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
---
 net/mac80211/chan.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index cca6d14084d2..fbc3b28953a6 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -1169,7 +1169,7 @@ ieee80211_replace_chanctx(struct ieee80211_local *local,
 static bool
 ieee80211_find_available_radio(struct ieee80211_local *local,
 			       const struct ieee80211_chan_req *chanreq,
-			       int *radio_idx)
+			       u32 radio_mask, int *radio_idx)
 {
 	struct wiphy *wiphy = local->hw.wiphy;
 	const struct wiphy_radio *radio;
@@ -1180,6 +1180,9 @@ ieee80211_find_available_radio(struct ieee80211_local *local,
 		return true;
 
 	for (i = 0; i < wiphy->n_radio; i++) {
+		if (!(radio_mask & BIT(i)))
+			continue;
+
 		radio = &wiphy->radio[i];
 		if (!cfg80211_radio_chandef_valid(radio, &chanreq->oper))
 			continue;
@@ -1213,7 +1216,9 @@ int ieee80211_link_reserve_chanctx(struct ieee80211_link_data *link,
 	new_ctx = ieee80211_find_reservation_chanctx(local, chanreq, mode);
 	if (!new_ctx) {
 		if (ieee80211_can_create_new_chanctx(local, -1) &&
-		    ieee80211_find_available_radio(local, chanreq, &radio_idx))
+		    ieee80211_find_available_radio(local, chanreq,
+						   sdata->wdev.radio_mask,
+						   &radio_idx))
 			new_ctx = ieee80211_new_chanctx(local, chanreq, mode,
 							false, radio_idx);
 		else
@@ -1883,7 +1888,9 @@ int _ieee80211_link_use_channel(struct ieee80211_link_data *link,
 	/* Note: context is now reserved */
 	if (ctx)
 		reserved = true;
-	else if (!ieee80211_find_available_radio(local, chanreq, &radio_idx))
+	else if (!ieee80211_find_available_radio(local, chanreq,
+						 sdata->wdev.radio_mask,
+						 &radio_idx))
 		ctx = ERR_PTR(-EBUSY);
 	else
 		ctx = ieee80211_new_chanctx(local, chanreq, mode,
-- 
git-series 0.9.1




[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Wireless Personal Area Network]     [Linux Bluetooth]     [Wireless Regulations]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite Hiking]     [MIPS Linux]     [ARM Linux]     [Linux RAID]

  Powered by Linux