5 files changed, 36 insertions, 15 deletions

diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index beaf8140abbf..7492fc0f2766 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -1746,14 +1746,16 @@ out:
         return ret;
 }
 
-static void iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
-                                        struct ieee80211_vif *vif)
+static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
+                                       struct ieee80211_vif *vif)
 {
         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 
         mutex_lock(&mvm->mutex);
         iwl_mvm_sched_scan_stop(mvm);
         mutex_unlock(&mvm->mutex);
+
+        return 0;
 }
 
 static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index f7e3562542fe..9d7a52f5a410 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -411,6 +411,7 @@ struct mac80211_hwsim_data {
 
         struct mac_address addresses[2];
         int channels, idx;
+        bool use_chanctx;
 
         struct ieee80211_channel *tmp_chan;
         struct delayed_work roc_done;
@@ -1088,7 +1089,7 @@ static void mac80211_hwsim_tx(struct ieee80211_hw *hw,
                 return;
         }
 
-        if (data->channels == 1) {
+        if (!data->use_chanctx) {
                 channel = data->channel;
         } else if (txi->hw_queue == 4) {
                 channel = data->tmp_chan;
@@ -1354,7 +1355,7 @@ static int mac80211_hwsim_config(struct ieee80211_hw *hw, u32 changed)
 
         data->channel = conf->chandef.chan;
 
-        WARN_ON(data->channel && data->channels > 1);
+        WARN_ON(data->channel && data->use_chanctx);
 
         data->power_level = conf->power_level;
         if (!data->started || !data->beacon_int)
@@ -1940,7 +1941,8 @@ static struct ieee80211_ops mac80211_hwsim_mchan_ops;
 
 static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2,
                                        const struct ieee80211_regdomain *regd,
-                                       bool reg_strict, bool p2p_device)
+                                       bool reg_strict, bool p2p_device,
+                                       bool use_chanctx)
 {
         int err;
         u8 addr[ETH_ALEN];
@@ -1950,11 +1952,14 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2,
         const struct ieee80211_ops *ops = &mac80211_hwsim_ops;
         int idx;
 
+        if (WARN_ON(channels > 1 && !use_chanctx))
+                return -EINVAL;
+
         spin_lock_bh(&hwsim_radio_lock);
         idx = hwsim_radio_idx++;
         spin_unlock_bh(&hwsim_radio_lock);
 
-        if (channels > 1)
+        if (use_chanctx)
                 ops = &mac80211_hwsim_mchan_ops;
         hw = ieee80211_alloc_hw(sizeof(*data), ops);
         if (!hw) {
@@ -1995,20 +2000,21 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2,
         hw->wiphy->addresses = data->addresses;
 
         data->channels = channels;
+        data->use_chanctx = use_chanctx;
         data->idx = idx;
 
-        if (data->channels > 1) {
+        if (data->use_chanctx) {
                 hw->wiphy->max_scan_ssids = 255;
                 hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
                 hw->wiphy->max_remain_on_channel_duration = 1000;
                 /* For channels > 1 DFS is not allowed */
                 hw->wiphy->n_iface_combinations = 1;
                 hw->wiphy->iface_combinations = &data->if_combination;
-                data->if_combination.num_different_channels = data->channels;
                 if (p2p_device)
                         data->if_combination = hwsim_if_comb_p2p_dev[0];
                 else
                         data->if_combination = hwsim_if_comb[0];
+                data->if_combination.num_different_channels = data->channels;
         } else if (p2p_device) {
                 hw->wiphy->iface_combinations = hwsim_if_comb_p2p_dev;
                 hw->wiphy->n_iface_combinations =
@@ -2156,7 +2162,7 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2,
         debugfs_create_file("ps", 0666, data->debugfs, data, &hwsim_fops_ps);
         debugfs_create_file("group", 0666, data->debugfs, data,
                             &hwsim_fops_group);
-        if (data->channels == 1)
+        if (!data->use_chanctx)
                 debugfs_create_file("dfs_simulate_radar", 0222,
                                     data->debugfs,
                                     data, &hwsim_simulate_radar);
@@ -2423,10 +2429,16 @@ static int hwsim_create_radio_nl(struct sk_buff *msg, struct genl_info *info)
         const struct ieee80211_regdomain *regd = NULL;
         bool reg_strict = info->attrs[HWSIM_ATTR_REG_STRICT_REG];
         bool p2p_device = info->attrs[HWSIM_ATTR_SUPPORT_P2P_DEVICE];
+        bool use_chanctx;
 
         if (info->attrs[HWSIM_ATTR_CHANNELS])
                 chans = nla_get_u32(info->attrs[HWSIM_ATTR_CHANNELS]);
 
+        if (info->attrs[HWSIM_ATTR_USE_CHANCTX])
+                use_chanctx = true;
+        else
+                use_chanctx = (chans > 1);
+
         if (info->attrs[HWSIM_ATTR_REG_HINT_ALPHA2])
                 alpha2 = nla_data(info->attrs[HWSIM_ATTR_REG_HINT_ALPHA2]);
 
@@ -2439,7 +2451,7 @@ static int hwsim_create_radio_nl(struct sk_buff *msg, struct genl_info *info)
         }
 
         return mac80211_hwsim_create_radio(chans, alpha2, regd, reg_strict,
-                                           p2p_device);
+                                           p2p_device, use_chanctx);
 }
 
 static int hwsim_destroy_radio_nl(struct sk_buff *msg, struct genl_info *info)
@@ -2658,7 +2670,8 @@ static int __init init_mac80211_hwsim(void)
 
                 err = mac80211_hwsim_create_radio(channels, reg_alpha2,
                                                   regd, reg_strict,
-                                                  support_p2p_device);
+                                                  support_p2p_device,
+                                                  channels > 1);
                 if (err < 0)
                         goto out_free_radios;
         }
diff --git a/drivers/net/wireless/mac80211_hwsim.h b/drivers/net/wireless/mac80211_hwsim.h
index 6e72996ec8c1..c9d0315575ba 100644
--- a/drivers/net/wireless/mac80211_hwsim.h
+++ b/drivers/net/wireless/mac80211_hwsim.h
@@ -108,6 +108,9 @@ enum {
  * @HWSIM_ATTR_REG_CUSTOM_REG: custom regulatory domain index (u32 attribute)
  * @HWSIM_ATTR_REG_STRICT_REG: request REGULATORY_STRICT_REG (flag attribute)
  * @HWSIM_ATTR_SUPPORT_P2P_DEVICE: support P2P Device virtual interface (flag)
+ * @HWSIM_ATTR_USE_CHANCTX: used with the %HWSIM_CMD_CREATE_RADIO
+ *      command to force use of channel contexts even when only a
+ *      single channel is supported
  * @__HWSIM_ATTR_MAX: enum limit
  */
 
@@ -128,6 +131,7 @@ enum {
         HWSIM_ATTR_REG_CUSTOM_REG,
         HWSIM_ATTR_REG_STRICT_REG,
         HWSIM_ATTR_SUPPORT_P2P_DEVICE,
+        HWSIM_ATTR_USE_CHANCTX,
         __HWSIM_ATTR_MAX,
 };
 #define HWSIM_ATTR_MAX (__HWSIM_ATTR_MAX - 1)
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 436ba437a4ba..6948a97af839 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -2600,8 +2600,8 @@ static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
 static int
 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
                            u8 *peer, u8 action_code, u8 dialog_token,
-                           u16 status_code, const u8 *extra_ies,
-                           size_t extra_ies_len)
+                           u16 status_code, u32 peer_capability,
+                           const u8 *extra_ies, size_t extra_ies_len)
 {
         struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
         int ret;
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index 7aae5b3a0c2c..4175a57ac9f5 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -3668,8 +3668,8 @@ out:
         return ret;
 }
 
-static void wl1271_op_sched_scan_stop(struct ieee80211_hw *hw,
-                                      struct ieee80211_vif *vif)
+static int wl1271_op_sched_scan_stop(struct ieee80211_hw *hw,
+                                     struct ieee80211_vif *vif)
 {
         struct wl1271 *wl = hw->priv;
         struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
@@ -3691,6 +3691,8 @@ static void wl1271_op_sched_scan_stop(struct ieee80211_hw *hw,
         wl1271_ps_elp_sleep(wl);
 out:
         mutex_unlock(&wl->mutex);
+
+        return 0;
 }
 
 static int wl1271_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value)