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path: root/drivers/net/vrf.c
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Diffstat (limited to 'drivers/net/vrf.c')
-rw-r--r--drivers/net/vrf.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index 69b7227c637e..95909e262ba4 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -747,7 +747,8 @@ static int vrf_rtable_create(struct net_device *dev)
/**************************** device handling ********************/
/* cycle interface to flush neighbor cache and move routes across tables */
-static void cycle_netdev(struct net_device *dev)
+static void cycle_netdev(struct net_device *dev,
+ struct netlink_ext_ack *extack)
{
unsigned int flags = dev->flags;
int ret;
@@ -755,9 +756,9 @@ static void cycle_netdev(struct net_device *dev)
if (!netif_running(dev))
return;
- ret = dev_change_flags(dev, flags & ~IFF_UP);
+ ret = dev_change_flags(dev, flags & ~IFF_UP, extack);
if (ret >= 0)
- ret = dev_change_flags(dev, flags);
+ ret = dev_change_flags(dev, flags, extack);
if (ret < 0) {
netdev_err(dev,
@@ -785,7 +786,7 @@ static int do_vrf_add_slave(struct net_device *dev, struct net_device *port_dev,
if (ret < 0)
goto err;
- cycle_netdev(port_dev);
+ cycle_netdev(port_dev, extack);
return 0;
@@ -815,7 +816,7 @@ static int do_vrf_del_slave(struct net_device *dev, struct net_device *port_dev)
netdev_upper_dev_unlink(port_dev, dev);
port_dev->priv_flags &= ~IFF_L3MDEV_SLAVE;
- cycle_netdev(port_dev);
+ cycle_netdev(port_dev, NULL);
return 0;
}
@@ -981,24 +982,23 @@ static struct sk_buff *vrf_ip6_rcv(struct net_device *vrf_dev,
struct sk_buff *skb)
{
int orig_iif = skb->skb_iif;
- bool need_strict;
+ bool need_strict = rt6_need_strict(&ipv6_hdr(skb)->daddr);
+ bool is_ndisc = ipv6_ndisc_frame(skb);
- /* loopback traffic; do not push through packet taps again.
- * Reset pkt_type for upper layers to process skb
+ /* loopback, multicast & non-ND link-local traffic; do not push through
+ * packet taps again. Reset pkt_type for upper layers to process skb
*/
- if (skb->pkt_type == PACKET_LOOPBACK) {
+ if (skb->pkt_type == PACKET_LOOPBACK || (need_strict && !is_ndisc)) {
skb->dev = vrf_dev;
skb->skb_iif = vrf_dev->ifindex;
IP6CB(skb)->flags |= IP6SKB_L3SLAVE;
- skb->pkt_type = PACKET_HOST;
+ if (skb->pkt_type == PACKET_LOOPBACK)
+ skb->pkt_type = PACKET_HOST;
goto out;
}
- /* if packet is NDISC or addressed to multicast or link-local
- * then keep the ingress interface
- */
- need_strict = rt6_need_strict(&ipv6_hdr(skb)->daddr);
- if (!ipv6_ndisc_frame(skb) && !need_strict) {
+ /* if packet is NDISC then keep the ingress interface */
+ if (!is_ndisc) {
vrf_rx_stats(vrf_dev, skb->len);
skb->dev = vrf_dev;
skb->skb_iif = vrf_dev->ifindex;