[RFC,v2] ath9k: allow up to 8 access point vifs on DFS channels

Commit Message

Jean-Pierre TOSONI May 19, 2015, 9:47 a.m. UTC

Allow the combination of 8 (AP + mesh) interfaces on radar channels

Tested with hostapd, 2 and 8 BSSIDs, 1 or 2 DFS channels, BW 20 MHz
TODO: test AP+mesh combination
TODO: test 40 MHz BW
---
This patch was done with quilt on Openwrt against compat-wireless
2014-11-04

 					BIT(NL80211_CHAN_WIDTH_40),
 	}

Patch

--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -723,6 +723,14 @@  static const struct ieee80211_iface_limi
 				 BIT(NL80211_IFTYPE_ADHOC) },
 };
 
+static const struct ieee80211_iface_limit if_dfs_limits_mvap[] = {
+	{ .max = 8,	.types =
+#ifdef CONFIG_MAC80211_MESH
+				 BIT(NL80211_IFTYPE_MESH_POINT) |
+#endif
+				 BIT(NL80211_IFTYPE_AP) },
+};
+
 static const struct ieee80211_iface_combination if_comb[] = {
 	{
 		.limits = if_limits,
@@ -746,6 +754,16 @@  static const struct ieee80211_iface_comb
 		.num_different_channels = 1,
 		.beacon_int_infra_match = true,
 		.radar_detect_widths =	BIT(NL80211_CHAN_WIDTH_20_NOHT)
|
+					BIT(NL80211_CHAN_WIDTH_20) |
+					BIT(NL80211_CHAN_WIDTH_40),
+	},
+	{
+		.limits = if_dfs_limits_mvap,
+		.n_limits = ARRAY_SIZE(if_dfs_limits_mvap),
+		.max_interfaces = 8,
+		.num_different_channels = 1,
+		.beacon_int_infra_match = true,
+		.radar_detect_widths =	BIT(NL80211_CHAN_WIDTH_20_NOHT)
|
 					BIT(NL80211_CHAN_WIDTH_20) |