be2net: Program secondary UC MAC address into MAC filter

Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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

@@ -309,6 +309,8 @@ struct be_vf_cfg {
 
 #define BE_FLAGS_LINK_STATUS_INIT		1
 #define BE_FLAGS_WORKER_SCHEDULED		(1 << 3)
+#define BE_UC_PMAC_COUNT		30
+#define BE_VF_UC_PMAC_COUNT		2
 
 struct be_adapter {
 	struct pci_dev *pdev;
@@ -361,7 +363,7 @@ struct be_adapter {
 	/* Ethtool knobs and info */
 	char fw_ver[FW_VER_LEN];
 	int if_handle;		/* Used to configure filtering */
-	u32 pmac_id;		/* MAC addr handle used by BE card */
+	u32 *pmac_id;		/* MAC addr handle used by BE card */
 	u32 beacon_state;	/* for set_phys_id */
 
 	bool eeh_err;
@@ -391,6 +393,8 @@ struct be_adapter {
 	u16 pvid;
 	u8 wol_cap;
 	bool wol;
+	u32 max_pmac_cnt;	/* Max secondary UC MACs programmable */
+	u32 uc_macs;		/* Count of secondary UC MAC programmed */
 };
 
 #define be_physfn(adapter) (!adapter->is_virtfn)

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

@@ -235,7 +235,7 @@ static int be_mac_addr_set(struct net_device *netdev, void *p)
 	struct sockaddr *addr = p;
 	int status = 0;
 	u8 current_mac[ETH_ALEN];
-	u32 pmac_id = adapter->pmac_id;
+	u32 pmac_id = adapter->pmac_id[0];
 
 	if (!is_valid_ether_addr(addr->sa_data))
 		return -EADDRNOTAVAIL;
@@ -248,7 +248,7 @@ static int be_mac_addr_set(struct net_device *netdev, void *p)
 
 	if (memcmp(addr->sa_data, current_mac, ETH_ALEN)) {
 		status = be_cmd_pmac_add(adapter, (u8 *)addr->sa_data,
-				adapter->if_handle, &adapter->pmac_id, 0);
+				adapter->if_handle, &adapter->pmac_id[0], 0);
 		if (status)
 			goto err;
 
@@ -885,6 +885,29 @@ static void be_set_rx_mode(struct net_device *netdev)
 		goto done;
 	}
 
+	if (netdev_uc_count(netdev) != adapter->uc_macs) {
+		struct netdev_hw_addr *ha;
+		int i = 1; /* First slot is claimed by the Primary MAC */
+
+		for (; adapter->uc_macs > 0; adapter->uc_macs--, i++) {
+			be_cmd_pmac_del(adapter, adapter->if_handle,
+					adapter->pmac_id[i], 0);
+		}
+
+		if (netdev_uc_count(netdev) > adapter->max_pmac_cnt) {
+			be_cmd_rx_filter(adapter, IFF_PROMISC, ON);
+			adapter->promiscuous = true;
+			goto done;
+		}
+
+		netdev_for_each_uc_addr(ha, adapter->netdev) {
+			adapter->uc_macs++; /* First slot is for Primary MAC */
+			be_cmd_pmac_add(adapter, (u8 *)ha->addr,
+					adapter->if_handle,
+					&adapter->pmac_id[adapter->uc_macs], 0);
+		}
+	}
+
 	be_cmd_rx_filter(adapter, IFF_MULTICAST, ON);
 done:
 	return;
@@ -2458,6 +2481,8 @@ static void be_vf_clear(struct be_adapter *adapter)
 
 static int be_clear(struct be_adapter *adapter)
 {
+	int i = 1;
+
 	if (adapter->flags & BE_FLAGS_WORKER_SCHEDULED) {
 		cancel_delayed_work_sync(&adapter->work);
 		adapter->flags &= ~BE_FLAGS_WORKER_SCHEDULED;
@@ -2466,6 +2491,10 @@ static int be_clear(struct be_adapter *adapter)
 	if (sriov_enabled(adapter))
 		be_vf_clear(adapter);
 
+	for (; adapter->uc_macs > 0; adapter->uc_macs--, i++)
+		be_cmd_pmac_del(adapter, adapter->if_handle,
+			adapter->pmac_id[i], 0);
+
 	be_cmd_if_destroy(adapter, adapter->if_handle,  0);
 
 	be_mcc_queues_destroy(adapter);
@@ -2477,6 +2506,7 @@ static int be_clear(struct be_adapter *adapter)
 	be_cmd_fw_clean(adapter);
 
 	be_msix_disable(adapter);
+	kfree(adapter->pmac_id);
 	return 0;
 }
 
@@ -2552,10 +2582,10 @@ static int be_add_mac_from_list(struct be_adapter *adapter, u8 *mac)
 				false, adapter->if_handle, pmac_id);
 
 		if (!status)
-			adapter->pmac_id = pmac_id;
+			adapter->pmac_id[0] = pmac_id;
 	} else {
 		status = be_cmd_pmac_add(adapter, mac,
-				adapter->if_handle, &adapter->pmac_id, 0);
+				adapter->if_handle, &adapter->pmac_id[0], 0);
 	}
 do_none:
 	return status;
@@ -2610,7 +2640,7 @@ static int be_setup(struct be_adapter *adapter)
 	}
 	status = be_cmd_if_create(adapter, cap_flags, en_flags,
 			netdev->dev_addr, &adapter->if_handle,
-			&adapter->pmac_id, 0);
+			&adapter->pmac_id[0], 0);
 	if (status != 0)
 		goto err;
 
@@ -3059,6 +3089,8 @@ static void be_netdev_init(struct net_device *netdev)
 	netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 |
 		NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
 
+	netdev->priv_flags |= IFF_UNICAST_FLT;
+
 	netdev->flags |= IFF_MULTICAST;
 
 	netif_set_gso_max_size(netdev, 65535);
@@ -3264,6 +3296,17 @@ static int be_get_config(struct be_adapter *adapter)
 	else
 		adapter->max_vlans = BE_NUM_VLANS_SUPPORTED;
 
+	if (be_physfn(adapter))
+		adapter->max_pmac_cnt = BE_UC_PMAC_COUNT;
+	else
+		adapter->max_pmac_cnt = BE_VF_UC_PMAC_COUNT;
+
+	/* primary mac needs 1 pmac entry */
+	adapter->pmac_id = kcalloc(adapter->max_pmac_cnt + 1,
+				  sizeof(u32), GFP_KERNEL);
+	if (!adapter->pmac_id)
+		return -ENOMEM;
+
 	status = be_cmd_get_cntl_attributes(adapter);
 	if (status)
 		return status;