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Commit db0553b2 authored by Arkadi Sharshevsky's avatar Arkadi Sharshevsky Committed by David S. Miller
Browse files

mlxsw: spectrum_acl: Add support for mirroring action 



The patch extends the trap action for mirroring.

Signed-off-by: default avatarArkadi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c18c1e18

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

+33 −0
Original line number Diff line number Diff line
@@ -760,6 +760,16 @@ MLXSW_ITEM32(afa, trapdisc, forward_action, 0x00, 0, 4); 
 */

MLXSW_ITEM32(afa, trapdisc, trap_id, 0x04, 0, 9);



/* afa_trapdisc_mirror_agent

 * Mirror agent.

 */

MLXSW_ITEM32(afa, trapdisc, mirror_agent, 0x08, 29, 3);



/* afa_trapdisc_mirror_enable

 * Mirror enable.

 */

MLXSW_ITEM32(afa, trapdisc, mirror_enable, 0x08, 24, 1);



static inline void

mlxsw_afa_trapdisc_pack(char *payload,

			enum mlxsw_afa_trapdisc_trap_action trap_action,
@@ -771,6 +781,14 @@ mlxsw_afa_trapdisc_pack(char *payload, 
	mlxsw_afa_trapdisc_trap_id_set(payload, trap_id);

}



static inline void

mlxsw_afa_trapdisc_mirror_pack(char *payload, bool mirror_enable,

			       u8 mirror_agent)

{

	mlxsw_afa_trapdisc_mirror_enable_set(payload, mirror_enable);

	mlxsw_afa_trapdisc_mirror_agent_set(payload, mirror_agent);

}



int mlxsw_afa_block_append_drop(struct mlxsw_afa_block *block)

{

	char *act = mlxsw_afa_block_append_action(block,
@@ -816,6 +834,21 @@ int mlxsw_afa_block_append_trap_and_forward(struct mlxsw_afa_block *block, 
}

EXPORT_SYMBOL(mlxsw_afa_block_append_trap_and_forward);



int mlxsw_afa_block_append_mirror(struct mlxsw_afa_block *block,

				  u8 mirror_agent)

{

	char *act = mlxsw_afa_block_append_action(block,

						  MLXSW_AFA_TRAPDISC_CODE,

						  MLXSW_AFA_TRAPDISC_SIZE);

	if (!act)

		return -ENOBUFS;

	mlxsw_afa_trapdisc_pack(act, MLXSW_AFA_TRAPDISC_TRAP_ACTION_NOP,

				MLXSW_AFA_TRAPDISC_FORWARD_ACTION_FORWARD, 0);

	mlxsw_afa_trapdisc_mirror_pack(act, true, mirror_agent);

	return 0;

}

EXPORT_SYMBOL(mlxsw_afa_block_append_mirror);



/* Forwarding Action

 * -----------------

 * Forwarding Action can be used to implement Policy Based Switching (PBS)

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

+2 −0
Original line number Diff line number Diff line
@@ -65,6 +65,8 @@ int mlxsw_afa_block_append_drop(struct mlxsw_afa_block *block); 
int mlxsw_afa_block_append_trap(struct mlxsw_afa_block *block, u16 trap_id);

int mlxsw_afa_block_append_trap_and_forward(struct mlxsw_afa_block *block,

					    u16 trap_id);

int mlxsw_afa_block_append_mirror(struct mlxsw_afa_block *block,

				  u8 mirror_agent);

int mlxsw_afa_block_append_fwd(struct mlxsw_afa_block *block,

			       u8 local_port, bool in_port);

int mlxsw_afa_block_append_vlan_modify(struct mlxsw_afa_block *block,