[PATCH net-next 05/12] ipv4: ip_tunnel: Unmask upper DSCP bits in ip_tunnel_bind_dev()
From: Ido Schimmel <idosch@nvidia.com>
Date: 2024-09-05 16:53:41
Also in:
bpf, bridge, linux-sctp, netfilter-devel
Subsystem:
networking [general], networking [ipv4/ipv6], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Ahern, Ido Schimmel, Linus Torvalds
Unmask the upper DSCP bits when initializing an IPv4 flow key via ip_tunnel_init_flow() before passing it to ip_route_output_key() so that in the future we could perform the FIB lookup according to the full DSCP value. Signed-off-by: Ido Schimmel <idosch@nvidia.com> --- net/ipv4/ip_tunnel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index 18964394d6bd..b632c128ecb7 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c@@ -293,7 +293,7 @@ static int ip_tunnel_bind_dev(struct net_device *dev) ip_tunnel_init_flow(&fl4, iph->protocol, iph->daddr, iph->saddr, tunnel->parms.o_key, - RT_TOS(iph->tos), dev_net(dev), + iph->tos & INET_DSCP_MASK, dev_net(dev), tunnel->parms.link, tunnel->fwmark, 0, 0); rt = ip_route_output_key(tunnel->net, &fl4);
--
2.46.0