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Revert "vrf: mark skb for multicast or link-local as enslaved to VRF"

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This reverts commit 91c5f99d13.

This patch shouldn't have been backported to 4.19.

Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sasha Levin 2020-03-23 16:19:51 -04:00 • committed by Greg Kroah-Hartman
parent 17a8ca79a5
commit ae2f7c8437
1 changed files with 10 additions and 9 deletions
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19
drivers/net/vrf.c
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@ -993,23 +993,24 @@ 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 = rt6_need_strict(&ipv6_hdr(skb)->daddr);
bool is_ndisc = ipv6_ndisc_frame(skb);
bool need_strict;
/* loopback, multicast & non-ND link-local traffic; do not push through
* packet taps again. Reset pkt_type for upper layers to process skb
/* loopback traffic; do not push through packet taps again.
* Reset pkt_type for upper layers to process skb
*/
if (skb->pkt_type == PACKET_LOOPBACK || (need_strict && !is_ndisc)) {
if (skb->pkt_type == PACKET_LOOPBACK) {
skb->dev = vrf_dev;
skb->skb_iif = vrf_dev->ifindex;
IP6CB(skb)->flags |= IP6SKB_L3SLAVE;
if (skb->pkt_type == PACKET_LOOPBACK)
skb->pkt_type = PACKET_HOST;
skb->pkt_type = PACKET_HOST;
goto out;
}
/* if packet is NDISC then keep the ingress interface */
if (!is_ndisc) {
/* 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) {
vrf_rx_stats(vrf_dev, skb->len);
skb->dev = vrf_dev;
skb->skb_iif = vrf_dev->ifindex;