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Commit 4dfecb65 authored by Petr Machata's avatar Petr Machata Committed by David S. Miller
Browse files

mlxsw: reg: Add Monitoring Precision Time Protocol Trap Register 



This register is used for configuring under which trap to deliver PTP
packets depending on type of the packet.

Signed-off-by: default avatarPetr Machata <petrm@mellanox.com>
Acked-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent da28e878

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

+39 −0
Original line number Diff line number Diff line
@@ -9185,6 +9185,44 @@ static inline void mlxsw_reg_mtpppc_pack(char *payload, u16 ing, u16 egr) 
	mlxsw_reg_mtpppc_egr_timestamp_message_type_set(payload, egr);

}



/* MTPTPT - Monitoring Precision Time Protocol Trap Register

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

 * This register is used for configuring under which trap to deliver PTP

 * packets depending on type of the packet.

 */

#define MLXSW_REG_MTPTPT_ID 0x9092

#define MLXSW_REG_MTPTPT_LEN 0x08



MLXSW_REG_DEFINE(mtptpt, MLXSW_REG_MTPTPT_ID, MLXSW_REG_MTPTPT_LEN);



enum mlxsw_reg_mtptpt_trap_id {

	MLXSW_REG_MTPTPT_TRAP_ID_PTP0,

	MLXSW_REG_MTPTPT_TRAP_ID_PTP1,

};



/* reg_mtptpt_trap_id

 * Trap id.

 * Access: Index

 */

MLXSW_ITEM32(reg, mtptpt, trap_id, 0x00, 0, 4);



/* reg_mtptpt_message_type

 * Bitwise vector of PTP message types to trap. This is a necessary but

 * non-sufficient condition since need to enable also per port. See MTPPPC.

 * Message types are defined by IEEE 1588 Each bit corresponds to a value (e.g.

 * Bit0: Sync, Bit1: Delay_Req)

 */

MLXSW_ITEM32(reg, mtptpt, message_type, 0x04, 0, 16);



static inline void mlxsw_reg_mtptptp_pack(char *payload,

					  enum mlxsw_reg_mtptpt_trap_id trap_id,

					  u16 message_type)

{

	MLXSW_REG_ZERO(mtptpt, payload);

	mlxsw_reg_mtptpt_trap_id_set(payload, trap_id);

	mlxsw_reg_mtptpt_message_type_set(payload, message_type);

}



/* MGPIR - Management General Peripheral Information Register

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

 * MGPIR register allows software to query the hardware and
@@ -10254,6 +10292,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = { 
	MLXSW_REG(mgpc),

	MLXSW_REG(mprs),

	MLXSW_REG(mtpppc),

	MLXSW_REG(mtptpt),

	MLXSW_REG(mgpir),

	MLXSW_REG(tngcr),

	MLXSW_REG(tnumt),