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Commit fabe5483 authored by Elad Raz's avatar Elad Raz Committed by David S. Miller
Browse files

mlxsw: reg: Adding SMID register 



Adding back SMID register definition and packing. For each MC group a new
SMID entry will be generated.

Signed-off-by: default avatarElad Raz <eladr@mellanox.com>
Signed-off-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 5230b25f

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

+51 −0
Original line number Diff line number Diff line
@@ -99,6 +99,55 @@ static const struct mlxsw_reg_info mlxsw_reg_spad = { 
 */

MLXSW_ITEM_BUF(reg, spad, base_mac, 0x02, 6);



/* SMID - Switch Multicast ID

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

 * The MID record maps from a MID (Multicast ID), which is a unique identifier

 * of the multicast group within the stacking domain, into a list of local

 * ports into which the packet is replicated.

 */

#define MLXSW_REG_SMID_ID 0x2007

#define MLXSW_REG_SMID_LEN 0x240



static const struct mlxsw_reg_info mlxsw_reg_smid = {

	.id = MLXSW_REG_SMID_ID,

	.len = MLXSW_REG_SMID_LEN,

};



/* reg_smid_swid

 * Switch partition ID.

 * Access: Index

 */

MLXSW_ITEM32(reg, smid, swid, 0x00, 24, 8);



/* reg_smid_mid

 * Multicast identifier - global identifier that represents the multicast group

 * across all devices.

 * Access: Index

 */

MLXSW_ITEM32(reg, smid, mid, 0x00, 0, 16);



/* reg_smid_port

 * Local port memebership (1 bit per port).

 * Access: RW

 */

MLXSW_ITEM_BIT_ARRAY(reg, smid, port, 0x20, 0x20, 1);



/* reg_smid_port_mask

 * Local port mask (1 bit per port).

 * Access: W

 */

MLXSW_ITEM_BIT_ARRAY(reg, smid, port_mask, 0x220, 0x20, 1);



static inline void mlxsw_reg_smid_pack(char *payload, u16 mid,

				       u8 port, bool set)

{

	MLXSW_REG_ZERO(smid, payload);

	mlxsw_reg_smid_swid_set(payload, 0);

	mlxsw_reg_smid_mid_set(payload, mid);

	mlxsw_reg_smid_port_set(payload, port, set);

	mlxsw_reg_smid_port_mask_set(payload, port, 1);

}



/* SSPR - Switch System Port Record Register

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

 * Configures the system port to local port mapping.
@@ -3052,6 +3101,8 @@ static inline const char *mlxsw_reg_id_str(u16 reg_id) 
		return "SGCR";

	case MLXSW_REG_SPAD_ID:

		return "SPAD";

	case MLXSW_REG_SMID_ID:

		return "SMID";

	case MLXSW_REG_SSPR_ID:

		return "SSPR";

	case MLXSW_REG_SFDAT_ID: