diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/vrf.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index 820de6a9ddde..3bca24651dc0 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -272,11 +272,6 @@ static netdev_tx_t vrf_process_v4_outbound(struct sk_buff *skb, if (IS_ERR(rt)) goto err; - if (rt->rt_type != RTN_UNICAST && rt->rt_type != RTN_LOCAL) { - ip_rt_put(rt); - goto err; - } - skb_dst_drop(skb); /* if dst.dev is loopback or the VRF device again this is locally @@ -611,6 +606,10 @@ static struct sk_buff *vrf_ip_out(struct net_device *vrf_dev, struct dst_entry *dst = NULL; struct rtable *rth; + /* don't divert multicast */ + if (ipv4_is_multicast(ip_hdr(skb)->daddr)) + return skb; + rcu_read_lock(); rth = rcu_dereference(vrf->rth); @@ -999,6 +998,9 @@ static struct sk_buff *vrf_ip_rcv(struct net_device *vrf_dev, skb->skb_iif = vrf_dev->ifindex; IPCB(skb)->flags |= IPSKB_L3SLAVE; + if (ipv4_is_multicast(ip_hdr(skb)->daddr)) + goto out; + /* loopback traffic; do not push through packet taps again. * Reset pkt_type for upper layers to process skb */ @@ -1162,8 +1164,19 @@ static int vrf_add_fib_rules(const struct net_device *dev) if (err < 0) goto ipv6_err; +#if IS_ENABLED(CONFIG_IP_MROUTE_MULTIPLE_TABLES) + err = vrf_fib_rule(dev, RTNL_FAMILY_IPMR, true); + if (err < 0) + goto ipmr_err; +#endif + return 0; +#if IS_ENABLED(CONFIG_IP_MROUTE_MULTIPLE_TABLES) +ipmr_err: + vrf_fib_rule(dev, AF_INET6, false); +#endif + ipv6_err: vrf_fib_rule(dev, AF_INET, false); |