mwifiex: multi-interface support for mwifiex

mwifiex supports STA and AP interfaces which use same phy.
Indicate this to cfg80211.
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NYogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/mwifiex/cfg80211.c

@@ -20,6 +20,23 @@
 #include "cfg80211.h"
 #include "main.h"
 
+static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
+	{
+		.max = 1, .types = BIT(NL80211_IFTYPE_STATION),
+	},
+	{
+		.max = 1, .types = BIT(NL80211_IFTYPE_AP),
+	},
+};
+
+static const struct ieee80211_iface_combination mwifiex_iface_comb_ap_sta = {
+	.limits = mwifiex_ap_sta_limits,
+	.num_different_channels = 1,
+	.n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
+	.max_interfaces = MWIFIEX_MAX_BSS_NUM,
+	.beacon_int_infra_match = true,
+};
+
 /*
  * This function maps the nl802.11 channel type into driver channel type.
  *
@@ -1505,6 +1522,9 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
 	else
 		wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
 
+	wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
+	wiphy->n_iface_combinations = 1;
+
 	/* Initialize cipher suits */
 	wiphy->cipher_suites = mwifiex_cipher_suites;
 	wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);