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Commit 43a46856 authored by Yotam Gigi's avatar Yotam Gigi Committed by David S. Miller
Browse files

mlxsw: reg: Add Monitoring Port Analyzer Table register 



The MPAT register is used to query and configure the Switch Port Analyzer
(SPAN) table. This register is used to configure a port as a mirror output
port, while after that a mirrored input port can be bound using MPAR
register.

Signed-off-by: default avatarYotam Gigi <yotamg@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 51ae8cc6

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

+54 −0
Original line number Diff line number Diff line
@@ -4633,6 +4633,58 @@ static inline void mlxsw_reg_mtmp_unpack(char *payload, unsigned int *p_temp, 
		mlxsw_reg_mtmp_sensor_name_memcpy_from(payload, sensor_name);

}



/* MPAT - Monitoring Port Analyzer Table

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

 * MPAT Register is used to query and configure the Switch PortAnalyzer Table.

 * For an enabled analyzer, all fields except e (enable) cannot be modified.

 */

#define MLXSW_REG_MPAT_ID 0x901A

#define MLXSW_REG_MPAT_LEN 0x78



static const struct mlxsw_reg_info mlxsw_reg_mpat = {

	.id = MLXSW_REG_MPAT_ID,

	.len = MLXSW_REG_MPAT_LEN,

};



/* reg_mpat_pa_id

 * Port Analyzer ID.

 * Access: Index

 */

MLXSW_ITEM32(reg, mpat, pa_id, 0x00, 28, 4);



/* reg_mpat_system_port

 * A unique port identifier for the final destination of the packet.

 * Access: RW

 */

MLXSW_ITEM32(reg, mpat, system_port, 0x00, 0, 16);



/* reg_mpat_e

 * Enable. Indicating the Port Analyzer is enabled.

 * Access: RW

 */

MLXSW_ITEM32(reg, mpat, e, 0x04, 31, 1);



/* reg_mpat_qos

 * Quality Of Service Mode.

 * 0: CONFIGURED - QoS parameters (Switch Priority, and encapsulation

 * PCP, DEI, DSCP or VL) are configured.

 * 1: MAINTAIN - QoS parameters (Switch Priority, Color) are the

 * same as in the original packet that has triggered the mirroring. For

 * SPAN also the pcp,dei are maintained.

 * Access: RW

 */

MLXSW_ITEM32(reg, mpat, qos, 0x04, 26, 1);



static inline void mlxsw_reg_mpat_pack(char *payload, u8 pa_id,

				       u16 system_port, bool e)

{

	MLXSW_REG_ZERO(mpat, payload);

	mlxsw_reg_mpat_pa_id_set(payload, pa_id);

	mlxsw_reg_mpat_system_port_set(payload, system_port);

	mlxsw_reg_mpat_e_set(payload, e);

	mlxsw_reg_mpat_qos_set(payload, 1);

}



/* MLCR - Management LED Control Register

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

 * Controls the system LEDs.
@@ -5204,6 +5256,8 @@ static inline const char *mlxsw_reg_id_str(u16 reg_id) 
		return "MFSM";

	case MLXSW_REG_MTCAP_ID:

		return "MTCAP";

	case MLXSW_REG_MPAT_ID:

		return "MPAT";

	case MLXSW_REG_MTMP_ID:

		return "MTMP";

	case MLXSW_REG_MLCR_ID: