[PATCH net-next 3/7] devlink: Add a new trap for the trap_fwd action

From: Petr Machata <petrm@nvidia.com>
To: <netdev@vger.kernel.org>
Cc: Petr Machata <petrm@nvidia.com>, Jiri Pirko <jiri@nvidia.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Ido Schimmel <idosch@nvidia.com>,
	Cong Wang <xiyou.wangcong@gmail.com>,
	Jamal Hadi Salim <jhs@mojatatu.com>
Subject: [PATCH net-next 3/7] devlink: Add a new trap for the trap_fwd action
Date: Thu, 8 Apr 2021 15:38:25 +0200	[thread overview]
Message-ID: <20210408133829.2135103-4-petrm@nvidia.com> (raw)
In-Reply-To: <20210408133829.2135103-1-petrm@nvidia.com>

Add a new trap so that drivers can report packets forwarded due to the
trap_fwd action correctly.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
---
 Documentation/networking/devlink/devlink-trap.rst | 4 ++++
 include/net/devlink.h                             | 3 +++
 net/core/devlink.c                                | 1 +
 3 files changed, 8 insertions(+)

diff --git a/Documentation/networking/devlink/devlink-trap.rst b/Documentation/networking/devlink/devlink-trap.rst
index 935b6397e8cf..3f1c0f89d284 100644
--- a/Documentation/networking/devlink/devlink-trap.rst
+++ b/Documentation/networking/devlink/devlink-trap.rst
@@ -405,6 +405,10 @@ be added to the following table:
      - ``control``
      - Traps packets logged during processing of flow action trap (e.g., via
        tc's trap action)
+   * - ``flow_action_trap_fwd``
+     - ``control``
+     - Traps packets logged during processing of flow action trap_fwd (e.g., via
+       tc's trap_fwd action)
    * - ``early_drop``
      - ``drop``
      - Traps packets dropped due to the RED (Random Early Detection) algorithm
diff --git a/include/net/devlink.h b/include/net/devlink.h
index 853420db5d32..967e70363ba9 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -845,6 +845,7 @@ enum devlink_trap_generic_id {
 	DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
 	DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
 	DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
+	DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP_FWD,
 	DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
 	DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
 	DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
@@ -1053,6 +1054,8 @@ enum devlink_trap_group_generic_id {
 	"flow_action_sample"
 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
 	"flow_action_trap"
+#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP_FWD \
+	"flow_action_trap_fwd"
 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
 	"early_drop"
 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
diff --git a/net/core/devlink.c b/net/core/devlink.c
index 737b61c2976e..478d4bc01a39 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -9744,6 +9744,7 @@ static const struct devlink_trap devlink_trap_generic[] = {
 	DEVLINK_TRAP(PTP_GENERAL, CONTROL),
 	DEVLINK_TRAP(FLOW_ACTION_SAMPLE, CONTROL),
 	DEVLINK_TRAP(FLOW_ACTION_TRAP, CONTROL),
+	DEVLINK_TRAP(FLOW_ACTION_TRAP_FWD, CONTROL),
 	DEVLINK_TRAP(EARLY_DROP, DROP),
 	DEVLINK_TRAP(VXLAN_PARSING, DROP),
 	DEVLINK_TRAP(LLC_SNAP_PARSING, DROP),
-- 
2.26.2

