mlxsw: acl_flex_actions: Trap all ACL dropped packets to DISCARD_*_ACL traps (3e6cacaf) · Commits · 戴 / test

Introduce a new set of traps: DISCARD_INGRESS_ACL and DISCARD_EGRESS_ACL Set the trap_action from NOP to TRAP which causes the packets dropped by the TRAP action to be trapped under new trap IDs, depending on the ingress/egress binding point. Signed-off-by:

Jiri Pirko <jiri@mellanox.com> Signed-off-by:

Ido Schimmel <idosch@mellanox.com> Signed-off-by:

David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -820,8 +820,10 @@ int mlxsw_afa_block_append_drop(struct mlxsw_afa_block *block, bool ingress)

		if (IS_ERR(act))
		return PTR_ERR(act);
		mlxsw_afa_trap_pack(act, MLXSW_AFA_TRAP_TRAP_ACTION_NOP,
		MLXSW_AFA_TRAP_FORWARD_ACTION_DISCARD, 0);
		mlxsw_afa_trap_pack(act, MLXSW_AFA_TRAP_TRAP_ACTION_TRAP,
		MLXSW_AFA_TRAP_FORWARD_ACTION_DISCARD,
		ingress ? MLXSW_TRAP_ID_DISCARD_INGRESS_ACL :
		MLXSW_TRAP_ID_DISCARD_EGRESS_ACL);
		return 0;
		}
		EXPORT_SYMBOL(mlxsw_afa_block_append_drop);

drivers/net/ethernet/mellanox/mlxsw/trap.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -102,6 +102,8 @@ enum {
		MLXSW_TRAP_ID_ACL1 = 0x1C1,
		/* Multicast trap used for routes with trap-and-forward action */
		MLXSW_TRAP_ID_ACL2 = 0x1C2,
		MLXSW_TRAP_ID_DISCARD_INGRESS_ACL = 0x1C3,
		MLXSW_TRAP_ID_DISCARD_EGRESS_ACL = 0x1C4,

		MLXSW_TRAP_ID_MAX = 0x1FF
		};

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