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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: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2018-10-11 07:48:03 +00:00 committed by David S. Miller
parent 4a8d1860ed
commit a77d5f0bde
1 changed files with 57 additions and 0 deletions
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57
drivers/net/ethernet/mellanox/mlxsw/reg.h
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@ -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),