Unmask the upper DSCP bits when calling ip_route_output_key() so that in the future it could perform the FIB lookup according to the full DSCP value. Note that callers of udp_tunnel_dst_lookup() pass the entire DS field in the 'tos' argument. Signed-off-by: Ido Schimmel <idosch@xxxxxxxxxx> --- net/ipv4/udp_tunnel_core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/ipv4/udp_tunnel_core.c b/net/ipv4/udp_tunnel_core.c index e4e0fa869fa4..619a53eb672d 100644 --- a/net/ipv4/udp_tunnel_core.c +++ b/net/ipv4/udp_tunnel_core.c @@ -6,6 +6,7 @@ #include <net/dst_metadata.h> #include <net/udp.h> #include <net/udp_tunnel.h> +#include <net/inet_dscp.h> int udp_sock_create4(struct net *net, struct udp_port_cfg *cfg, struct socket **sockp) @@ -232,7 +233,7 @@ struct rtable *udp_tunnel_dst_lookup(struct sk_buff *skb, fl4.saddr = key->u.ipv4.src; fl4.fl4_dport = dport; fl4.fl4_sport = sport; - fl4.flowi4_tos = RT_TOS(tos); + fl4.flowi4_tos = tos & INET_DSCP_MASK; fl4.flowi4_flags = key->flow_flags; rt = ip_route_output_key(net, &fl4); -- 2.46.0
