qed: Add API for SmartAN query.

The patch adds driver interface to read the SmartAN capability from
management firmware.
Signed-off-by: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Signed-off-by: Michal Kalderon <mkalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qed/qed_hsi.h

@@ -12796,6 +12796,7 @@ struct public_drv_mb {
 #define FW_MB_PARAM_GET_PF_RDMA_BOTH		0x3
 
 /* get MFW feature support response */
+#define FW_MB_PARAM_FEATURE_SUPPORT_SMARTLINQ	0x00000001
 #define FW_MB_PARAM_FEATURE_SUPPORT_EEE		0x00000002
 #define FW_MB_PARAM_FEATURE_SUPPORT_VLINK	0x00010000
 

drivers/net/ethernet/qlogic/qed/qed_main.c

@@ -281,6 +281,8 @@ int qed_fill_dev_info(struct qed_dev *cdev,
 		if (hw_info->b_wol_support == QED_WOL_SUPPORT_PME)
 			dev_info->wol_support = true;
 
+		dev_info->smart_an = qed_mcp_is_smart_an_supported(p_hwfn);
+
 		dev_info->abs_pf_id = QED_LEADING_HWFN(cdev)->abs_pf_id;
 	} else {
 		qed_vf_get_fw_version(&cdev->hwfns[0], &dev_info->fw_major,

drivers/net/ethernet/qlogic/qed/qed_mcp.c

@@ -3654,6 +3654,12 @@ void qed_mcp_resc_lock_default_init(struct qed_resc_lock_params *p_lock,
 	}
 }
 
+bool qed_mcp_is_smart_an_supported(struct qed_hwfn *p_hwfn)
+{
+	return !!(p_hwfn->mcp_info->capabilities &
+		  FW_MB_PARAM_FEATURE_SUPPORT_SMARTLINQ);
+}
+
 int qed_mcp_get_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
 {
 	u32 mcp_resp;

drivers/net/ethernet/qlogic/qed/qed_mcp.h

@@ -1148,6 +1148,16 @@ void qed_mcp_resc_lock_default_init(struct qed_resc_lock_params *p_lock,
 				    struct qed_resc_unlock_params *p_unlock,
 				    enum qed_resc_lock
 				    resource, bool b_is_permanent);
+
+/**
+ * @brief - Return whether management firmware support smart AN
+ *
+ * @param p_hwfn
+ *
+ * @return bool - true if feature is supported.
+ */
+bool qed_mcp_is_smart_an_supported(struct qed_hwfn *p_hwfn);
+
 /**
  * @brief Learn of supported MFW features; To be done during early init
  *

include/linux/qed/qed_if.h

@@ -643,6 +643,7 @@ struct qed_dev_info {
 	u16		mtu;
 
 	bool wol_support;
+	bool smart_an;
 
 	/* MBI version */
 	u32 mbi_version;