diff options
| author | Ido Schimmel <idosch@nvidia.com> | 2024-09-03 16:53:26 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-09-05 02:57:11 +0300 |
| commit | de1fb3e8b053bf29ab366ae56b43659e87985928 (patch) | |
| tree | c0d98adc957470c5606f0899dfd2d45a93680367 | |
| parent | 97edbbaad30368c2e0219d21987ceba5a303ba5f (diff) | |
| download | linux-de1fb3e8b053bf29ab366ae56b43659e87985928.tar.xz | |
ip6_tunnel: Unmask upper DSCP bits in ip4ip6_err()
Unmask the upper DSCP bits when calling ip_route_output_ports() so that
in the future it could perform the FIB lookup according to the full DSCP
value.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20240903135327.2810535-4-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | net/ipv6/ip6_tunnel.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index ec51ab5063e8..b60e13c42bca 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -53,6 +53,7 @@ #include <net/net_namespace.h> #include <net/netns/generic.h> #include <net/dst_metadata.h> +#include <net/inet_dscp.h> MODULE_AUTHOR("Ville Nuorvala"); MODULE_DESCRIPTION("IPv6 tunneling device"); @@ -608,7 +609,8 @@ ip4ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, /* Try to guess incoming interface */ rt = ip_route_output_ports(dev_net(skb->dev), &fl4, NULL, eiph->saddr, - 0, 0, 0, IPPROTO_IPIP, RT_TOS(eiph->tos), 0); + 0, 0, 0, IPPROTO_IPIP, + eiph->tos & INET_DSCP_MASK, 0); if (IS_ERR(rt)) goto out; @@ -619,7 +621,8 @@ ip4ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, if (rt->rt_flags & RTCF_LOCAL) { rt = ip_route_output_ports(dev_net(skb->dev), &fl4, NULL, eiph->daddr, eiph->saddr, 0, 0, - IPPROTO_IPIP, RT_TOS(eiph->tos), 0); + IPPROTO_IPIP, + eiph->tos & INET_DSCP_MASK, 0); if (IS_ERR(rt) || rt->dst.dev->type != ARPHRD_TUNNEL6) { if (!IS_ERR(rt)) ip_rt_put(rt); |