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ip6_tunnel: add MPLS transmit support

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Add ETH_P_MPLS_UC as supported protocol.

Signed-off-by: Vadim Fedorenko <vfedorenko@novek.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vadim Fedorenko 2020-05-20 18:21:36 +03:00 committed by David S. Miller
parent e7bb18e6c8
commit 6c11fbf97e
1 changed files with 6 additions and 2 deletions
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8
net/ipv6/ip6_tunnel.c
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@ -1232,6 +1232,8 @@ route_lookup:
ipv6_push_frag_opts(skb, &opt.ops, &proto);
}
skb_set_inner_ipproto(skb, proto);
skb_push(skb, sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
ipv6h = ipv6_hdr(skb);
@ -1348,6 +1350,7 @@ ipxip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev,
fl6.flowlabel |= ip6_flowlabel(ipv6h);
break;
default:
orig_dsfield = dsfield = ip6_tclass(t->parms.flowinfo);
break;
}
}
@ -1358,8 +1361,6 @@ ipxip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev,
if (iptunnel_handle_offloads(skb, SKB_GSO_IPXIP6))
return -1;
skb_set_inner_ipproto(skb, protocol);
err = ip6_tnl_xmit(skb, dev, dsfield, &fl6, encap_limit, &mtu,
protocol);
if (err != 0) {
@ -1402,6 +1403,9 @@ ip6_tnl_start_xmit(struct sk_buff *skb, struct net_device *dev)
goto tx_err;
ipproto = IPPROTO_IPV6;
break;
case htons(ETH_P_MPLS_UC):
ipproto = IPPROTO_MPLS;
break;
default:
goto tx_err;
}