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bnx2x: track vxlan port count

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The callback for adding vxlan port can be called with the same port for
both IPv4 and IPv6. Do not disable the offloading when the same port for
both protocols is added and later one of them removed.

Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Benc 2015-09-17 16:11:14 +02:00 committed by David S. Miller
parent 1e5b311ab2
commit ac7eccd4d4
2 changed files with 13 additions and 2 deletions
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1
drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
View File

@ -1946,6 +1946,7 @@ struct bnx2x {
u16 vlan_cnt;
u16 vlan_credit;
u16 vxlan_dst_port;
u8 vxlan_dst_port_count;
bool accept_any_vlan;
};

14
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
View File

@ -10108,12 +10108,18 @@ static void __bnx2x_add_vxlan_port(struct bnx2x *bp, u16 port)
if (!netif_running(bp->dev))
return;
if (bp->vxlan_dst_port || !IS_PF(bp)) {
if (bp->vxlan_dst_port_count && bp->vxlan_dst_port == port) {
bp->vxlan_dst_port_count++;
return;
}
if (bp->vxlan_dst_port_count || !IS_PF(bp)) {
DP(BNX2X_MSG_SP, "Vxlan destination port limit reached\n");
return;
}
bp->vxlan_dst_port = port;
bp->vxlan_dst_port_count = 1;
bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_ADD_VXLAN_PORT, 0);
}
@ -10128,10 +10134,14 @@ static void bnx2x_add_vxlan_port(struct net_device *netdev,
static void __bnx2x_del_vxlan_port(struct bnx2x *bp, u16 port)
{
if (!bp->vxlan_dst_port || bp->vxlan_dst_port != port || !IS_PF(bp)) {
if (!bp->vxlan_dst_port_count || bp->vxlan_dst_port != port ||
!IS_PF(bp)) {
DP(BNX2X_MSG_SP, "Invalid vxlan port\n");
return;
}
bp->vxlan_dst_port--;
if (bp->vxlan_dst_port)
return;
if (netif_running(bp->dev)) {
bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_DEL_VXLAN_PORT, 0);