diff options
Diffstat (limited to 'include/linux/mlx5/eswitch.h')
| -rw-r--r-- | include/linux/mlx5/eswitch.h | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/include/linux/mlx5/eswitch.h b/include/linux/mlx5/eswitch.h index 17109b65c1ac..bc7db2e059eb 100644 --- a/include/linux/mlx5/eswitch.h +++ b/include/linux/mlx5/eswitch.h @@ -98,10 +98,11 @@ u32 mlx5_eswitch_get_vport_metadata_for_set(struct mlx5_eswitch *esw, u16 vport_num); /* Reg C1 usage: - * Reg C1 = < ESW_TUN_ID(12) | ESW_TUN_OPTS(12) | ESW_ZONE_ID(8) > + * Reg C1 = < Reserved(1) | ESW_TUN_ID(12) | ESW_TUN_OPTS(11) | ESW_ZONE_ID(8) > * - * Highest 12 bits of reg c1 is the encapsulation tunnel id, next 12 bits is - * encapsulation tunnel options, and the lowest 8 bits are used for zone id. + * Highest bit is reserved for other offloads as marker bit, next 12 bits of reg c1 + * is the encapsulation tunnel id, next 11 bits is encapsulation tunnel options, + * and the lowest 8 bits are used for zone id. * * Zone id is used to restore CT flow when packet misses on chain. * @@ -109,16 +110,18 @@ u32 mlx5_eswitch_get_vport_metadata_for_set(struct mlx5_eswitch *esw, * on miss and to support inner header rewrite by means of implicit chain 0 * flows. */ +#define ESW_RESERVED_BITS 1 #define ESW_ZONE_ID_BITS 8 -#define ESW_TUN_OPTS_BITS 12 +#define ESW_TUN_OPTS_BITS 11 #define ESW_TUN_ID_BITS 12 #define ESW_TUN_OPTS_OFFSET ESW_ZONE_ID_BITS #define ESW_TUN_OFFSET ESW_TUN_OPTS_OFFSET #define ESW_ZONE_ID_MASK GENMASK(ESW_ZONE_ID_BITS - 1, 0) -#define ESW_TUN_OPTS_MASK GENMASK(32 - ESW_TUN_ID_BITS - 1, ESW_TUN_OPTS_OFFSET) -#define ESW_TUN_MASK GENMASK(31, ESW_TUN_OFFSET) +#define ESW_TUN_OPTS_MASK GENMASK(31 - ESW_TUN_ID_BITS - ESW_RESERVED_BITS, ESW_TUN_OPTS_OFFSET) +#define ESW_TUN_MASK GENMASK(31 - ESW_RESERVED_BITS, ESW_TUN_OFFSET) #define ESW_TUN_ID_SLOW_TABLE_GOTO_VPORT 0 /* 0 is not a valid tunnel id */ -#define ESW_TUN_OPTS_SLOW_TABLE_GOTO_VPORT 0xFFF /* 0xFFF is a reserved mapping */ +/* 0x7FF is a reserved mapping */ +#define ESW_TUN_OPTS_SLOW_TABLE_GOTO_VPORT GENMASK(ESW_TUN_OPTS_BITS - 1, 0) #define ESW_TUN_SLOW_TABLE_GOTO_VPORT ((ESW_TUN_ID_SLOW_TABLE_GOTO_VPORT << ESW_TUN_OPTS_BITS) | \ ESW_TUN_OPTS_SLOW_TABLE_GOTO_VPORT) #define ESW_TUN_SLOW_TABLE_GOTO_VPORT_MARK ESW_TUN_OPTS_MASK |