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qlcnic: track vxlan port count 

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 16:11:12 +02:00 committed by David S. Miller
parent 057ba29bbe
commit 378fddc281
2 changed files with 14 additions and 5 deletions
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1
drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
View File

@ -536,6 +536,7 @@ struct qlcnic_hardware_context {
u8 extend_lb_time;
u8 phys_port_id[ETH_ALEN];
u8 lb_mode;
u8 vxlan_port_count;
u16 vxlan_port;
struct device *hwmon_dev;
u32 post_mode;

14
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
View File

@ -483,11 +483,17 @@ static void qlcnic_add_vxlan_port(struct net_device *netdev,
/* Adapter supports only one VXLAN port. Use very first port
* for enabling offload
*/
if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port)
if (!qlcnic_encap_rx_offload(adapter))
return;
if (!ahw->vxlan_port_count) {
ahw->vxlan_port_count = 1;
ahw->vxlan_port = ntohs(port);
adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
return;
}
if (ahw->vxlan_port == ntohs(port))
ahw->vxlan_port_count++;
}
static void qlcnic_del_vxlan_port(struct net_device *netdev,
@ -496,10 +502,12 @@ static void qlcnic_del_vxlan_port(struct net_device *netdev,
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct qlcnic_hardware_context *ahw = adapter->ahw;
if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port ||
if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port_count ||
(ahw->vxlan_port != ntohs(port)))
return;
ahw->vxlan_port_count--;
if (!ahw->vxlan_port_count)
adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
}