[PATCH net-next 1/3] net/sched: cls_flower: Add match on the ct_state reply flag
From: Paul Blakey <hidden>
Date: 2021-01-27 14:36:42
Subsystem:
networking [general], tc subsystem, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Jamal Hadi Salim, Jiri Pirko, Linus Torvalds
Add match on the ct_state reply flag. Example: $ tc filter add dev ens1f0_0 ingress prio 1 chain 1 proto ip flower \ ct_state +trk+est+rpl \ action mirred egress redirect dev ens1f0_1 $ tc filter add dev ens1f0_1 ingress prio 1 chain 1 proto ip flower \ ct_state +trk+est-rpl \ action mirred egress redirect dev ens1f0_0 Signed-off-by: Paul Blakey <redacted> Reviewed-by: Jiri Pirko <redacted> --- include/uapi/linux/pkt_cls.h | 1 + net/sched/cls_flower.c | 6 ++++-- 2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/include/uapi/linux/pkt_cls.h b/include/uapi/linux/pkt_cls.h
index 709668e..afe6836 100644
--- a/include/uapi/linux/pkt_cls.h
+++ b/include/uapi/linux/pkt_cls.h@@ -592,6 +592,7 @@ enum { TCA_FLOWER_KEY_CT_FLAGS_RELATED = 1 << 2, /* Related to an established connection. */ TCA_FLOWER_KEY_CT_FLAGS_TRACKED = 1 << 3, /* Conntrack has occurred. */ TCA_FLOWER_KEY_CT_FLAGS_INVALID = 1 << 4, /* Conntrack is invalid. */ + TCA_FLOWER_KEY_CT_FLAGS_REPLY = 1 << 5, /* Packet is in the reply direction. */ }; enum {
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 4a9297a..caf7643 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c@@ -291,9 +291,11 @@ struct cls_fl_filter *fl_mask_lookup(struct fl_flow_mask *mask, struct fl_flow_k [IP_CT_RELATED] = TCA_FLOWER_KEY_CT_FLAGS_TRACKED | TCA_FLOWER_KEY_CT_FLAGS_RELATED, [IP_CT_ESTABLISHED_REPLY] = TCA_FLOWER_KEY_CT_FLAGS_TRACKED | - TCA_FLOWER_KEY_CT_FLAGS_ESTABLISHED, + TCA_FLOWER_KEY_CT_FLAGS_ESTABLISHED | + TCA_FLOWER_KEY_CT_FLAGS_REPLY, [IP_CT_RELATED_REPLY] = TCA_FLOWER_KEY_CT_FLAGS_TRACKED | - TCA_FLOWER_KEY_CT_FLAGS_RELATED, + TCA_FLOWER_KEY_CT_FLAGS_RELATED | + TCA_FLOWER_KEY_CT_FLAGS_REPLY, [IP_CT_NEW] = TCA_FLOWER_KEY_CT_FLAGS_TRACKED | TCA_FLOWER_KEY_CT_FLAGS_NEW, };
--
1.8.3.1