iwlwifi: virtualize op_mode's fw_error

Export it as "nic_error" notification, the error handling will be in
the op_mode.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

drivers/net/wireless/iwlwifi/iwl-agn.c

@@ -1390,6 +1390,7 @@ const struct iwl_op_mode_ops iwl_dvm_ops = {
 	.queue_not_full = iwl_wake_sw_queue,
 	.hw_rf_kill = iwl_set_hw_rfkill_state,
 	.free_skb = iwl_free_skb,
+	.nic_error = iwl_nic_error,
 };
 
 /*****************************************************************************

drivers/net/wireless/iwlwifi/iwl-agn.h

@@ -87,6 +87,8 @@ int __must_check iwl_rx_dispatch(struct iwl_op_mode *op_mode,
 void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, u8 ac);
 void iwl_wake_sw_queue(struct iwl_op_mode *op_mode, u8 ac);
 void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state);
+void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, u8 ac);
+void iwl_nic_error(struct iwl_op_mode *op_mode);
 
 /* MAC80211 */
 struct ieee80211_hw *iwl_alloc_all(void);

drivers/net/wireless/iwlwifi/iwl-core.c

@@ -830,7 +830,7 @@ void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 }
 #endif
 
-void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand)
+static void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand)
 {
 	unsigned int reload_msec;
 	unsigned long reload_jiffies;
@@ -1455,6 +1455,13 @@ __le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base,
 	return cpu_to_le32(res);
 }
 
+void iwl_nic_error(struct iwl_op_mode *op_mode)
+{
+	struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
+
+	iwlagn_fw_error(priv, false);
+}
+
 void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
 {
 	struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);

drivers/net/wireless/iwlwifi/iwl-op-mode.h

@@ -90,6 +90,7 @@ struct iwl_rx_mem_buffer;
  *	reclaimed by the op_mode. This can happen when the driver is freed and
  *	there are Tx packets pending in the transport layer.
  *	Must be atomic
+ * @nic_error: error notification. Must be atomic
  */
 struct iwl_op_mode_ops {
 	struct iwl_op_mode *(*start)(struct iwl_trans *trans);
@@ -100,6 +101,7 @@ struct iwl_op_mode_ops {
 	void (*queue_not_full)(struct iwl_op_mode *op_mode, u8 ac);
 	void (*hw_rf_kill)(struct iwl_op_mode *op_mode, bool state);
 	void (*free_skb)(struct iwl_op_mode *op_mode, struct sk_buff *skb);
+	void (*nic_error)(struct iwl_op_mode *op_mode);
 };
 
 /**
@@ -151,6 +153,11 @@ static inline void iwl_op_mode_free_skb(struct iwl_op_mode *op_mode,
 	op_mode->ops->free_skb(op_mode, skb);
 }
 
+static inline void iwl_op_mode_nic_error(struct iwl_op_mode *op_mode)
+{
+	op_mode->ops->nic_error(op_mode);
+}
+
 /*****************************************************
 * Op mode layers implementations
 ******************************************************/

drivers/net/wireless/iwlwifi/iwl-shared.h

@@ -534,7 +534,6 @@ enum iwl_rxon_context_id {
 
 int iwlagn_hw_valid_rtc_data_addr(u32 addr);
 void iwl_nic_config(struct iwl_priv *priv);
-void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand);
 const char *get_cmd_string(u8 cmd);
 bool iwl_check_for_ct_kill(struct iwl_priv *priv);
 

drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c

@@ -701,7 +701,7 @@ static void iwl_irq_handle_error(struct iwl_trans *trans)
 		iwl_print_rx_config_cmd(priv(trans), IWL_RXON_CTX_BSS);
 #endif
 
-	iwlagn_fw_error(priv, false);
+	iwl_op_mode_nic_error(trans->op_mode);
 }
 
 #define EVENT_START_OFFSET  (4 * sizeof(u32))

drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c

@@ -689,7 +689,7 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
 		is_ct_kill = iwl_check_for_ct_kill(priv(trans));
 		if (!is_ct_kill) {
 			IWL_ERR(trans, "Restarting adapter queue is full\n");
-			iwlagn_fw_error(priv(trans), false);
+			iwl_op_mode_nic_error(trans->op_mode);
 		}
 		return -ENOSPC;
 	}
@@ -822,7 +822,7 @@ static void iwl_hcmd_queue_reclaim(struct iwl_trans *trans, int txq_id,
 		if (nfreed++ > 0) {
 			IWL_ERR(trans, "HCMD skipped: index (%d) %d %d\n", idx,
 					q->write_ptr, q->read_ptr);
-			iwlagn_fw_error(priv(trans), false);
+			iwl_op_mode_nic_error(trans->op_mode);
 		}
 
 	}