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authorPetr Machata <petrm@nvidia.com>2025-06-17 00:44:09 +0200
committerJakub Kicinski <kuba@kernel.org>2025-06-17 18:18:44 -0700
commite3411e326fa48c9be09ba449330352ba698db698 (patch)
tree8789de0af563d02dbb5b738292c2ac61a3cab9e9 /net/sctp
parentccde40812ad0525143e333fbf8ff1bba53f782f2 (diff)
net: ipv4: Add a flags argument to iptunnel_xmit(), udp_tunnel_xmit_skb()
iptunnel_xmit() erases the contents of the SKB control block. In order to be able to set particular IPCB flags on the SKB, add a corresponding parameter, and propagate it to udp_tunnel_xmit_skb() as well. In one of the following patches, VXLAN driver will use this facility to mark packets as subject to IP multicast routing. Signed-off-by: Petr Machata <petrm@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org> Acked-by: Antonio Quartulli <antonio@openvpn.net> Link: https://patch.msgid.link/89c9daf9f2dc088b6b92ccebcc929f51742de91f.1750113335.git.petrm@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/sctp')
-rw-r--r--net/sctp/protocol.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index f402f90eb6b6..a5ccada55f2b 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1103,7 +1103,8 @@ static inline int sctp_v4_xmit(struct sk_buff *skb, struct sctp_transport *t)
skb_set_inner_ipproto(skb, IPPROTO_SCTP);
udp_tunnel_xmit_skb(dst_rtable(dst), sk, skb, fl4->saddr,
fl4->daddr, dscp, ip4_dst_hoplimit(dst), df,
- sctp_sk(sk)->udp_port, t->encap_port, false, false);
+ sctp_sk(sk)->udp_port, t->encap_port, false, false,
+ 0);
return 0;
}