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path: root/drivers/net/macvlan.c
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Diffstat (limited to 'drivers/net/macvlan.c')
-rw-r--r--drivers/net/macvlan.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 6ed577b065d..5b37d3c191e 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -152,9 +152,10 @@ static void macvlan_broadcast(struct sk_buff *skb,
}
/* called under rcu_read_lock() from netif_receive_skb */
-static struct sk_buff *macvlan_handle_frame(struct sk_buff *skb)
+static rx_handler_result_t macvlan_handle_frame(struct sk_buff **pskb)
{
struct macvlan_port *port;
+ struct sk_buff *skb = *pskb;
const struct ethhdr *eth = eth_hdr(skb);
const struct macvlan_dev *vlan;
const struct macvlan_dev *src;
@@ -184,7 +185,7 @@ static struct sk_buff *macvlan_handle_frame(struct sk_buff *skb)
*/
macvlan_broadcast(skb, port, src->dev,
MACVLAN_MODE_VEPA);
- return skb;
+ return RX_HANDLER_PASS;
}
if (port->passthru)
@@ -192,12 +193,12 @@ static struct sk_buff *macvlan_handle_frame(struct sk_buff *skb)
else
vlan = macvlan_hash_lookup(port, eth->h_dest);
if (vlan == NULL)
- return skb;
+ return RX_HANDLER_PASS;
dev = vlan->dev;
if (unlikely(!(dev->flags & IFF_UP))) {
kfree_skb(skb);
- return NULL;
+ return RX_HANDLER_CONSUMED;
}
len = skb->len + ETH_HLEN;
skb = skb_share_check(skb, GFP_ATOMIC);
@@ -211,7 +212,7 @@ static struct sk_buff *macvlan_handle_frame(struct sk_buff *skb)
out:
macvlan_count_rx(vlan, len, ret == NET_RX_SUCCESS, 0);
- return NULL;
+ return RX_HANDLER_CONSUMED;
}
static int macvlan_queue_xmit(struct sk_buff *skb, struct net_device *dev)
@@ -219,9 +220,11 @@ static int macvlan_queue_xmit(struct sk_buff *skb, struct net_device *dev)
const struct macvlan_dev *vlan = netdev_priv(dev);
const struct macvlan_port *port = vlan->port;
const struct macvlan_dev *dest;
+ __u8 ip_summed = skb->ip_summed;
if (vlan->mode == MACVLAN_MODE_BRIDGE) {
const struct ethhdr *eth = (void *)skb->data;
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
/* send to other bridge ports directly */
if (is_multicast_ether_addr(eth->h_dest)) {
@@ -241,6 +244,7 @@ static int macvlan_queue_xmit(struct sk_buff *skb, struct net_device *dev)
}
xmit_world:
+ skb->ip_summed = ip_summed;
skb_set_dev(skb, vlan->lowerdev);
return dev_queue_xmit(skb);
}