From db0553b261800c444164c32041b244bc4fa3aafe Mon Sep 17 00:00:00 2001 From: Arkadi Sharshevsky Date: Fri, 19 Jan 2018 09:24:49 +0100 Subject: [PATCH] mlxsw: spectrum_acl: Add support for mirroring action The patch extends the trap action for mirroring. Signed-off-by: Arkadi Sharshevsky Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- .../mellanox/mlxsw/core_acl_flex_actions.c | 33 +++++++++++++++++++ .../mellanox/mlxsw/core_acl_flex_actions.h | 2 ++ 2 files changed, 35 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c index 2e1a61c87c39..51ac40658fb0 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c @@ -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) diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.h b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.h index a48c3d10688c..c829bb40824d 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.h +++ b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.h @@ -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, -- 2.30.2