[PATCH net-next 2/2] net/sched: act_tunnel_key: skip dst cache for skip_sw actions
flat view
COOLING4d
From: Alexandre Cassen <hidden>
Date: 2026-10-09 05:19:41
Subsystem:
networking [general], tc subsystem, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Jamal Hadi Salim, Jiri Pirko, Linus Torvalds
A tunnel_key action flagged skip_sw never routes packets and the dst_cache helpers handle a missing cache. A replace leaves the flags of an existing action unchanged, check these rather than the request ones. Signed-off-by: Alexandre Cassen <redacted> --- net/sched/act_tunnel_key.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c
index 503834853306..28d9cc080101 100644
--- a/net/sched/act_tunnel_key.c
+++ b/net/sched/act_tunnel_key.c@@ -481,9 +481,13 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla, } #ifdef CONFIG_DST_CACHE - ret = dst_cache_init(&metadata->u.tun_info.dst_cache, GFP_KERNEL); - if (ret) - goto release_tun_meta; + if (!((exists ? (*a)->tcfa_flags : act_flags) & + TCA_ACT_FLAGS_SKIP_SW)) { + ret = dst_cache_init(&metadata->u.tun_info.dst_cache, + GFP_KERNEL); + if (ret) + goto release_tun_meta; + } #endif if (opts_len) {
--
2.43.0