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Commit 938ab608 authored by Arkadi Sharshevsky's avatar Arkadi Sharshevsky Committed by David S. Miller
Browse files

mlxsw: spectrum: Add support for Policing and Counting action block 



Add support for Policing and Counting action block. This action block
will be used to bind counter to TCAM entries.

Signed-off-by: default avatarArkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 446a1541

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

+51 −0
Original line number Diff line number Diff line
@@ -760,3 +760,54 @@ int mlxsw_afa_block_append_fwd(struct mlxsw_afa_block *block, 
	return err;

}

EXPORT_SYMBOL(mlxsw_afa_block_append_fwd);



/* Policing and Counting Action

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

 * Policing and Counting action is used for binding policer and counter

 * to ACL rules.

 */



#define MLXSW_AFA_POLCNT_CODE 0x08

#define MLXSW_AFA_POLCNT_SIZE 1



enum mlxsw_afa_polcnt_counter_set_type {

	/* No count */

	MLXSW_AFA_POLCNT_COUNTER_SET_TYPE_NO_COUNT = 0x00,

	/* Count packets and bytes */

	MLXSW_AFA_POLCNT_COUNTER_SET_TYPE_PACKETS_BYTES = 0x03,

	/* Count only packets */

	MLXSW_AFA_POLCNT_COUNTER_SET_TYPE_PACKETS = 0x05,

};



/* afa_polcnt_counter_set_type

 * Counter set type for flow counters.

 */

MLXSW_ITEM32(afa, polcnt, counter_set_type, 0x04, 24, 8);



/* afa_polcnt_counter_index

 * Counter index for flow counters.

 */

MLXSW_ITEM32(afa, polcnt, counter_index, 0x04, 0, 24);



static inline void

mlxsw_afa_polcnt_pack(char *payload,

		      enum mlxsw_afa_polcnt_counter_set_type set_type,

		      u32 counter_index)

{

	mlxsw_afa_polcnt_counter_set_type_set(payload, set_type);

	mlxsw_afa_polcnt_counter_index_set(payload, counter_index);

}



int mlxsw_afa_block_append_counter(struct mlxsw_afa_block *block,

				   u32 counter_index)

{

	char *act = mlxsw_afa_block_append_action(block,

						  MLXSW_AFA_POLCNT_CODE,

						  MLXSW_AFA_POLCNT_SIZE);

	if (!act)

		return -ENOBUFS;

	mlxsw_afa_polcnt_pack(act, MLXSW_AFA_POLCNT_COUNTER_SET_TYPE_PACKETS_BYTES,

			      counter_index);

	return 0;

}

EXPORT_SYMBOL(mlxsw_afa_block_append_counter);

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

+2 −0
Original line number Diff line number Diff line
@@ -64,5 +64,7 @@ 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,

				       u16 vid, u8 pcp, u8 et);

int mlxsw_afa_block_append_counter(struct mlxsw_afa_block *block,

				   u32 counter_index);



#endif