From: Quentin Armitage Date: Sun, 27 Mar 2016 16:06:11 +0000 (+0100) Subject: Fix returned tc and hoplimit values for route with IPv6 encapsulation X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=995096a0a438396a570104e9c240a2a26623a5a1;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git Fix returned tc and hoplimit values for route with IPv6 encapsulation For a route with IPv6 encapsulation, the traffic class and hop limit values are interchanged when returned to userspace by the kernel. For example, see below. ># ip route add 192.168.0.1 dev eth0.2 encap ip6 dst 0x50 tc 0x50 hoplimit 100 table 1000 ># ip route show table 1000 192.168.0.1 encap ip6 id 0 src :: dst fe83::1 hoplimit 80 tc 100 dev eth0.2 scope link Signed-off-by: Quentin Armitage Signed-off-by: David S. Miller --- diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c index 02dd990af542..6165f30c4d72 100644 --- a/net/ipv4/ip_tunnel_core.c +++ b/net/ipv4/ip_tunnel_core.c @@ -372,8 +372,8 @@ static int ip6_tun_fill_encap_info(struct sk_buff *skb, if (nla_put_be64(skb, LWTUNNEL_IP6_ID, tun_info->key.tun_id) || nla_put_in6_addr(skb, LWTUNNEL_IP6_DST, &tun_info->key.u.ipv6.dst) || nla_put_in6_addr(skb, LWTUNNEL_IP6_SRC, &tun_info->key.u.ipv6.src) || - nla_put_u8(skb, LWTUNNEL_IP6_HOPLIMIT, tun_info->key.tos) || - nla_put_u8(skb, LWTUNNEL_IP6_TC, tun_info->key.ttl) || + nla_put_u8(skb, LWTUNNEL_IP6_TC, tun_info->key.tos) || + nla_put_u8(skb, LWTUNNEL_IP6_HOPLIMIT, tun_info->key.ttl) || nla_put_be16(skb, LWTUNNEL_IP6_FLAGS, tun_info->key.tun_flags)) return -ENOMEM;