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Commit a77d5f0b authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller
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mlxsw: reg: Add Tunneling NVE Decapsulation ECN Mapping Register 



This register configures the actions that are done during NVE
decapsulation based on the ECN bits.

Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Reviewed-by: default avatarPetr Machata <petrm@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4a8d1860

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

+57 −0
Original line number Diff line number Diff line
@@ -8596,6 +8596,62 @@ static inline void mlxsw_reg_tneem_pack(char *payload, u8 overlay_ecn, 
	mlxsw_reg_tneem_underlay_ecn_set(payload, underlay_ecn);

}



/* TNDEM - Tunneling NVE Decapsulation ECN Mapping Register

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

 * The TNDEM register configures the actions that are done in the

 * decapsulation.

 */

#define MLXSW_REG_TNDEM_ID 0xA013

#define MLXSW_REG_TNDEM_LEN 0x0C



MLXSW_REG_DEFINE(tndem, MLXSW_REG_TNDEM_ID, MLXSW_REG_TNDEM_LEN);



/* reg_tndem_underlay_ecn

 * ECN field of the IP header in the underlay network.

 * Access: Index

 */

MLXSW_ITEM32(reg, tndem, underlay_ecn, 0x04, 24, 2);



/* reg_tndem_overlay_ecn

 * ECN field of the IP header in the overlay network.

 * Access: Index

 */

MLXSW_ITEM32(reg, tndem, overlay_ecn, 0x04, 16, 2);



/* reg_tndem_eip_ecn

 * Egress IP ECN. ECN field of the IP header of the packet which goes out

 * from the decapsulation.

 * Access: RW

 */

MLXSW_ITEM32(reg, tndem, eip_ecn, 0x04, 8, 2);



/* reg_tndem_trap_en

 * Trap enable:

 * 0 - No trap due to decap ECN

 * 1 - Trap enable with trap_id

 * Access: RW

 */

MLXSW_ITEM32(reg, tndem, trap_en, 0x08, 28, 4);



/* reg_tndem_trap_id

 * Trap ID. Either DECAP_ECN0 or DECAP_ECN1.

 * Reserved when trap_en is '0'.

 * Access: RW

 */

MLXSW_ITEM32(reg, tndem, trap_id, 0x08, 0, 9);



static inline void mlxsw_reg_tndem_pack(char *payload, u8 underlay_ecn,

					u8 overlay_ecn, u8 ecn, bool trap_en,

					u16 trap_id)

{

	MLXSW_REG_ZERO(tndem, payload);

	mlxsw_reg_tndem_underlay_ecn_set(payload, underlay_ecn);

	mlxsw_reg_tndem_overlay_ecn_set(payload, overlay_ecn);

	mlxsw_reg_tndem_eip_ecn_set(payload, ecn);

	mlxsw_reg_tndem_trap_en_set(payload, trap_en);

	mlxsw_reg_tndem_trap_id_set(payload, trap_id);

}



/* TNPC - Tunnel Port Configuration Register

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

 * The TNPC register is used for tunnel port configuration.
@@ -9193,6 +9249,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = { 
	MLXSW_REG(tngcr),

	MLXSW_REG(tnumt),

	MLXSW_REG(tneem),

	MLXSW_REG(tndem),

	MLXSW_REG(tnpc),

	MLXSW_REG(tigcr),

	MLXSW_REG(sbpr),