iwlwifi: mvm: add per-interface debugfs with mac_params file

Use the per-interface debugfs infrastructure to create a
directory and symlink, and add a file containing debug
data related to each virtual interface.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 11 insertions, 2 deletions

diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index 53d58968e30a..d7ffa6f95060 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -212,6 +212,7 @@ struct iwl_mvm_vif {
 
 #ifdef CONFIG_IWLWIFI_DEBUGFS
         struct dentry *dbgfs_dir;
+        struct dentry *dbgfs_slink;
         void *dbgfs_data;
 #endif
 };
@@ -471,8 +472,8 @@ void iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
 /* MVM debugfs */
 #ifdef CONFIG_IWLWIFI_DEBUGFS
 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
-int iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
-                               struct dentry *dbgfs_dir);
+void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
+void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 void iwl_power_get_params(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
                           struct iwl_powertable_cmd *cmd);
 #else
@@ -481,6 +482,14 @@ static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
 {
         return 0;
 }
+static inline void
+iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
+{
+}
+static inline void
+iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
+{
+}
 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 
 /* rate scaling */