be2net: Fix driver load for VFs for Lancer

Permanent MAC is wrongly supplied in create iface command. Call the
command with no MAC address and then MAC address should be later queried
and applied.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/emulex/benet/be_cmds.c

@@ -1132,7 +1132,7 @@ err:
  * Uses MCCQ
  */
 int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags,
-		u8 *mac, u32 *if_handle, u32 *pmac_id, u32 domain)
+		     u32 *if_handle, u32 domain)
 {
 	struct be_mcc_wrb *wrb;
 	struct be_cmd_req_if_create *req;
@@ -1152,17 +1152,13 @@ int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags,
 	req->hdr.domain = domain;
 	req->capability_flags = cpu_to_le32(cap_flags);
 	req->enable_flags = cpu_to_le32(en_flags);
-	if (mac)
-		memcpy(req->mac_addr, mac, ETH_ALEN);
-	else
-		req->pmac_invalid = true;
+
+	req->pmac_invalid = true;
 
 	status = be_mcc_notify_wait(adapter);
 	if (!status) {
 		struct be_cmd_resp_if_create *resp = embedded_payload(wrb);
 		*if_handle = le32_to_cpu(resp->interface_id);
-		if (mac)
-			*pmac_id = le32_to_cpu(resp->pmac_id);
 	}
 
 err:
@@ -2330,8 +2326,8 @@ err:
 }
 
 /* Uses synchronous MCCQ */
-int be_cmd_get_mac_from_list(struct be_adapter *adapter, u32 domain,
-			bool *pmac_id_active, u32 *pmac_id, u8 *mac)
+int be_cmd_get_mac_from_list(struct be_adapter *adapter, u8 *mac,
+			     bool *pmac_id_active, u32 *pmac_id, u8 domain)
 {
 	struct be_mcc_wrb *wrb;
 	struct be_cmd_req_get_mac_list *req;
@@ -2376,8 +2372,9 @@ int be_cmd_get_mac_from_list(struct be_adapter *adapter, u32 domain,
 						get_mac_list_cmd.va;
 		mac_count = resp->true_mac_count + resp->pseudo_mac_count;
 		/* Mac list returned could contain one or more active mac_ids
-		 * or one or more pseudo permanant mac addresses. If an active
-		 * mac_id is present, return first active mac_id found
+		 * or one or more true or pseudo permanant mac addresses.
+		 * If an active mac_id is present, return first active mac_id
+		 * found.
 		 */
 		for (i = 0; i < mac_count; i++) {
 			struct get_list_macaddr *mac_entry;
@@ -2396,7 +2393,7 @@ int be_cmd_get_mac_from_list(struct be_adapter *adapter, u32 domain,
 				goto out;
 			}
 		}
-		/* If no active mac_id found, return first pseudo mac addr */
+		/* If no active mac_id found, return first mac addr */
 		*pmac_id_active = false;
 		memcpy(mac, resp->macaddr_list[0].mac_addr_id.macaddr,
 								ETH_ALEN);

drivers/net/ethernet/emulex/benet/be_cmds.h

@@ -1664,8 +1664,7 @@ extern int be_cmd_pmac_add(struct be_adapter *adapter, u8 *mac_addr,
 extern int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id,
 			int pmac_id, u32 domain);
 extern int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags,
-			u32 en_flags, u8 *mac, u32 *if_handle, u32 *pmac_id,
-			u32 domain);
+			    u32 en_flags, u32 *if_handle, u32 domain);
 extern int be_cmd_if_destroy(struct be_adapter *adapter, int if_handle,
 			u32 domain);
 extern int be_cmd_eq_create(struct be_adapter *adapter,
@@ -1751,8 +1750,9 @@ extern int be_cmd_get_cntl_attributes(struct be_adapter *adapter);
 extern int be_cmd_req_native_mode(struct be_adapter *adapter);
 extern int be_cmd_get_reg_len(struct be_adapter *adapter, u32 *log_size);
 extern void be_cmd_get_regs(struct be_adapter *adapter, u32 buf_len, void *buf);
-extern int be_cmd_get_mac_from_list(struct be_adapter *adapter, u32 domain,
-				bool *pmac_id_active, u32 *pmac_id, u8 *mac);
+extern int be_cmd_get_mac_from_list(struct be_adapter *adapter, u8 *mac,
+				    bool *pmac_id_active, u32 *pmac_id,
+				    u8 domain);
 extern int be_cmd_set_mac_list(struct be_adapter *adapter, u8 *mac_array,
 						u8 mac_count, u32 domain);
 extern int be_cmd_set_hsw_config(struct be_adapter *adapter, u16 pvid,

drivers/net/ethernet/emulex/benet/be_main.c

@@ -2601,8 +2601,8 @@ static int be_vf_setup(struct be_adapter *adapter)
 	cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST |
 				BE_IF_FLAGS_MULTICAST;
 	for_all_vfs(adapter, vf_cfg, vf) {
-		status = be_cmd_if_create(adapter, cap_flags, en_flags, NULL,
-					  &vf_cfg->if_handle, NULL, vf + 1);
+		status = be_cmd_if_create(adapter, cap_flags, en_flags,
+					  &vf_cfg->if_handle, vf + 1);
 		if (status)
 			goto err;
 	}
@@ -2642,29 +2642,43 @@ static void be_setup_init(struct be_adapter *adapter)
 	adapter->phy.forced_port_speed = -1;
 }
 
-static int be_add_mac_from_list(struct be_adapter *adapter, u8 *mac)
+static int be_get_mac_addr(struct be_adapter *adapter, u8 *mac, u32 if_handle,
+			   bool *active_mac, u32 *pmac_id)
 {
-	u32 pmac_id;
-	int status;
-	bool pmac_id_active;
+	int status = 0;
 
-	status = be_cmd_get_mac_from_list(adapter, 0, &pmac_id_active,
-							&pmac_id, mac);
-	if (status != 0)
-		goto do_none;
+	if (!is_zero_ether_addr(adapter->netdev->perm_addr)) {
+		memcpy(mac, adapter->netdev->dev_addr, ETH_ALEN);
+		if (!lancer_chip(adapter) && !be_physfn(adapter))
+			*active_mac = true;
+		else
+			*active_mac = false;
 
-	if (pmac_id_active) {
-		status = be_cmd_mac_addr_query(adapter, mac,
-				MAC_ADDRESS_TYPE_NETWORK,
-				false, adapter->if_handle, pmac_id);
+		return status;
+	}
 
-		if (!status)
-			adapter->pmac_id[0] = pmac_id;
+	if (lancer_chip(adapter)) {
+		status = be_cmd_get_mac_from_list(adapter, mac,
+						  active_mac, pmac_id, 0);
+		if (*active_mac) {
+			status = be_cmd_mac_addr_query(adapter, mac,
+						       MAC_ADDRESS_TYPE_NETWORK,
+						       false, if_handle,
+						       *pmac_id);
+		}
+	} else if (be_physfn(adapter)) {
+		/* For BE3, for PF get permanent MAC */
+		status = be_cmd_mac_addr_query(adapter, mac,
+					       MAC_ADDRESS_TYPE_NETWORK, true,
+					       0, 0);
+		*active_mac = false;
 	} else {
-		status = be_cmd_pmac_add(adapter, mac,
-				adapter->if_handle, &adapter->pmac_id[0], 0);
+		/* For BE3, for VF get soft MAC assigned by PF*/
+		status = be_cmd_mac_addr_query(adapter, mac,
+					       MAC_ADDRESS_TYPE_NETWORK, false,
+					       if_handle, 0);
+		*active_mac = true;
 	}
-do_none:
 	return status;
 }
 
@@ -2685,12 +2699,12 @@ static int be_get_config(struct be_adapter *adapter)
 
 static int be_setup(struct be_adapter *adapter)
 {
-	struct net_device *netdev = adapter->netdev;
 	struct device *dev = &adapter->pdev->dev;
 	u32 cap_flags, en_flags;
 	u32 tx_fc, rx_fc;
 	int status;
 	u8 mac[ETH_ALEN];
+	bool active_mac;
 
 	be_setup_init(adapter);
 
@@ -2716,14 +2730,6 @@ static int be_setup(struct be_adapter *adapter)
 	if (status)
 		goto err;
 
-	memset(mac, 0, ETH_ALEN);
-	status = be_cmd_mac_addr_query(adapter, mac, MAC_ADDRESS_TYPE_NETWORK,
-			true /*permanent */, 0, 0);
-	if (status)
-		return status;
-	memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN);
-	memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN);
-
 	en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST |
 			BE_IF_FLAGS_MULTICAST | BE_IF_FLAGS_PASS_L3L4_ERRORS;
 	cap_flags = en_flags | BE_IF_FLAGS_MCAST_PROMISCUOUS |
@@ -2733,27 +2739,29 @@ static int be_setup(struct be_adapter *adapter)
 		cap_flags |= BE_IF_FLAGS_RSS;
 		en_flags |= BE_IF_FLAGS_RSS;
 	}
+
 	status = be_cmd_if_create(adapter, cap_flags, en_flags,
-			netdev->dev_addr, &adapter->if_handle,
-			&adapter->pmac_id[0], 0);
+				  &adapter->if_handle, 0);
 	if (status != 0)
 		goto err;
 
-	 /* The VF's permanent mac queried from card is incorrect.
-	  * For BEx: Query the mac configued by the PF using if_handle
-	  * For Lancer: Get and use mac_list to obtain mac address.
-	  */
-	if (!be_physfn(adapter)) {
-		if (lancer_chip(adapter))
-			status = be_add_mac_from_list(adapter, mac);
-		else
-			status = be_cmd_mac_addr_query(adapter, mac,
-					MAC_ADDRESS_TYPE_NETWORK, false,
-					adapter->if_handle, 0);
-		if (!status) {
-			memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN);
-			memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN);
-		}
+	memset(mac, 0, ETH_ALEN);
+	active_mac = false;
+	status = be_get_mac_addr(adapter, mac, adapter->if_handle,
+				 &active_mac, &adapter->pmac_id[0]);
+	if (status != 0)
+		goto err;
+
+	if (!active_mac) {
+		status = be_cmd_pmac_add(adapter, mac, adapter->if_handle,
+					 &adapter->pmac_id[0], 0);
+		if (status != 0)
+			goto err;
+	}
+
+	if (is_zero_ether_addr(adapter->netdev->dev_addr)) {
+		memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN);
+		memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN);
 	}
 
 	status = be_tx_qs_create(adapter);