be2net: add vlan support for sriov virtual functions

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 47 insertions, 8 deletions

diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index a8e95da23f7b..f693b9ed68a4 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -224,6 +224,7 @@ struct be_vf_cfg {
         unsigned char vf_mac_addr[ETH_ALEN];
         u32 vf_if_handle;
         u32 vf_pmac_id;
+        u16 vf_vlan_tag;
 };
 
 #define BE_NUM_MSIX_VECTORS             2       /* 1 each for Tx and Rx */
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index a8c4548e0d60..46f087e3422b 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -552,11 +552,18 @@ static int be_change_mtu(struct net_device *netdev, int new_mtu)
  * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE.
  * If the user configures more, place BE in vlan promiscuous mode.
  */
-static int be_vid_config(struct be_adapter *adapter)
+static int be_vid_config(struct be_adapter *adapter, bool vf, u32 vf_num)
 {
         u16 vtag[BE_NUM_VLANS_SUPPORTED];
         u16 ntags = 0, i;
         int status = 0;
+        u32 if_handle;
+
+        if (vf) {
+                if_handle = adapter->vf_cfg[vf_num].vf_if_handle;
+                vtag[0] = cpu_to_le16(adapter->vf_cfg[vf_num].vf_vlan_tag);
+                status = be_cmd_vlan_config(adapter, if_handle, vtag, 1, 1, 0);
+        }
 
         if (adapter->vlans_added <= adapter->max_vlans)  {
                 /* Construct VLAN Table to give to HW */
@@ -572,6 +579,7 @@ static int be_vid_config(struct be_adapter *adapter)
                 status = be_cmd_vlan_config(adapter, adapter->if_handle,
                                         NULL, 0, 1, 1);
         }
+
         return status;
 }
 
@@ -592,27 +600,28 @@ static void be_vlan_add_vid(struct net_device *netdev, u16 vid)
 {
         struct be_adapter *adapter = netdev_priv(netdev);
 
+        adapter->vlans_added++;
         if (!be_physfn(adapter))
                 return;
 
         adapter->vlan_tag[vid] = 1;
-        adapter->vlans_added++;
         if (adapter->vlans_added <= (adapter->max_vlans + 1))
-                be_vid_config(adapter);
+                be_vid_config(adapter, false, 0);
 }
 
 static void be_vlan_rem_vid(struct net_device *netdev, u16 vid)
 {
         struct be_adapter *adapter = netdev_priv(netdev);
 
+        adapter->vlans_added--;
+        vlan_group_set_device(adapter->vlan_grp, vid, NULL);
+
         if (!be_physfn(adapter))
                 return;
 
         adapter->vlan_tag[vid] = 0;
-        vlan_group_set_device(adapter->vlan_grp, vid, NULL);
-        adapter->vlans_added--;
         if (adapter->vlans_added <= adapter->max_vlans)
-                be_vid_config(adapter);
+                be_vid_config(adapter, false, 0);
 }
 
 static void be_set_multicast_list(struct net_device *netdev)
@@ -687,13 +696,41 @@ static int be_get_vf_config(struct net_device *netdev, int vf,
 
         vi->vf = vf;
         vi->tx_rate = 0;
-        vi->vlan = 0;
+        vi->vlan = adapter->vf_cfg[vf].vf_vlan_tag;
         vi->qos = 0;
         memcpy(&vi->mac, adapter->vf_cfg[vf].vf_mac_addr, ETH_ALEN);
 
         return 0;
 }
 
+static int be_set_vf_vlan(struct net_device *netdev,
+                        int vf, u16 vlan, u8 qos)
+{
+        struct be_adapter *adapter = netdev_priv(netdev);
+        int status = 0;
+
+        if (!adapter->sriov_enabled)
+                return -EPERM;
+
+        if ((vf >= num_vfs) || (vlan > 4095))
+                return -EINVAL;
+
+        if (vlan) {
+                adapter->vf_cfg[vf].vf_vlan_tag = vlan;
+                adapter->vlans_added++;
+        } else {
+                adapter->vf_cfg[vf].vf_vlan_tag = 0;
+                adapter->vlans_added--;
+        }
+
+        status = be_vid_config(adapter, true, vf);
+
+        if (status)
+                dev_info(&adapter->pdev->dev,
+                                "VLAN %d config on VF %d failed\n", vlan, vf);
+        return status;
+}
+
 static void be_rx_rate_update(struct be_adapter *adapter)
 {
         struct be_drvr_stats *stats = drvr_stats(adapter);
@@ -1849,7 +1886,7 @@ static int be_open(struct net_device *netdev)
         be_link_status_update(adapter, link_up);
 
         if (be_physfn(adapter)) {
-                status = be_vid_config(adapter);
+                status = be_vid_config(adapter, false, 0);
                 if (status)
                         goto err;
 
@@ -2218,6 +2255,7 @@ static struct net_device_ops be_netdev_ops = {
         .ndo_vlan_rx_add_vid    = be_vlan_add_vid,
         .ndo_vlan_rx_kill_vid   = be_vlan_rem_vid,
         .ndo_set_vf_mac         = be_set_vf_mac,
+        .ndo_set_vf_vlan        = be_set_vf_vlan,
         .ndo_get_vf_config      = be_get_vf_config
 };