be2net: allow offloading with the same port for IPv4 and IPv6
authorJiri Benc <jbenc@redhat.com>
Thu, 17 Sep 2015 14:11:13 +0000 (16:11 +0200)
committerDavid S. Miller <davem@davemloft.net>
Fri, 18 Sep 2015 05:32:16 +0000 (22:32 -0700)
The callback for adding vxlan port can be called with the same port for both
IPv4 and IPv6. Do not disable the offloading if this occurs.

Signed-off-by: Jiri Benc <jbenc@redhat.com>
Acked-by: Sathya Perla <sathya.perla@avagotech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/emulex/benet/be.h
drivers/net/ethernet/emulex/benet/be_main.c

index 0a27805cbbbd0e14f2988ffec5f207909628d65b..821540913343db10f59ae3a03835a084ca82063d 100644 (file)
@@ -582,6 +582,7 @@ struct be_adapter {
        u16 pvid;
        __be16 vxlan_port;
        int vxlan_port_count;
+       int vxlan_port_aliases;
        struct phy_info phy;
        u8 wol_cap;
        bool wol_en;
index 12687bf52b9518eaa1c4bb538ff26fcc88ce7acc..7bf51a1a0a77e12a4812662767dd21767813dc1b 100644 (file)
@@ -5176,6 +5176,11 @@ static void be_add_vxlan_port(struct net_device *netdev, sa_family_t sa_family,
        if (lancer_chip(adapter) || BEx_chip(adapter) || be_is_mc(adapter))
                return;
 
+       if (adapter->vxlan_port == port && adapter->vxlan_port_count) {
+               adapter->vxlan_port_aliases++;
+               return;
+       }
+
        if (adapter->flags & BE_FLAGS_VXLAN_OFFLOADS) {
                dev_info(dev,
                         "Only one UDP port supported for VxLAN offloads\n");
@@ -5226,6 +5231,11 @@ static void be_del_vxlan_port(struct net_device *netdev, sa_family_t sa_family,
        if (adapter->vxlan_port != port)
                goto done;
 
+       if (adapter->vxlan_port_aliases) {
+               adapter->vxlan_port_aliases--;
+               return;
+       }
+
        be_disable_vxlan_offloads(adapter);
 
        dev_info(&adapter->pdev->dev,