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mlxsw: reg: Add Policy-Engine Region Association Register 

The PERAR register is used to associate a hw region for region_id's.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2018-07-18 11:14:37 +03:00 committed by David S. Miller
parent 0f27e80aea
commit 3390787b61
1 changed files with 43 additions and 0 deletions
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43
drivers/net/ethernet/mellanox/mlxsw/reg.h
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@ -39,6 +39,7 @@
#ifndef _MLXSW_REG_H
#define _MLXSW_REG_H
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/bitops.h>
#include <linux/if_vlan.h>
@ -2481,6 +2482,47 @@ static inline void mlxsw_reg_ptce2_pack(char *payload, bool valid,
mlxsw_reg_ptce2_tcam_region_info_memcpy_to(payload, tcam_region_info);
}
/* PERAR - Policy-Engine Region Association Register
* -------------------------------------------------
* This register associates a hw region for region_id's. Changing on the fly
* is supported by the device.
*/
#define MLXSW_REG_PERAR_ID 0x3026
#define MLXSW_REG_PERAR_LEN 0x08
MLXSW_REG_DEFINE(perar, MLXSW_REG_PERAR_ID, MLXSW_REG_PERAR_LEN);
/* reg_perar_region_id
* Region identifier
* Range 0 .. cap_max_regions-1
* Access: Index
*/
MLXSW_ITEM32(reg, perar, region_id, 0x00, 0, 16);
static inline unsigned int
mlxsw_reg_perar_hw_regions_needed(unsigned int block_num)
{
return DIV_ROUND_UP(block_num, 4);
}
/* reg_perar_hw_region
* HW Region
* Range 0 .. cap_max_regions-1
* Default: hw_region = region_id
* For a 8 key block region, 2 consecutive regions are used
* For a 12 key block region, 3 consecutive regions are used
* Access: RW
*/
MLXSW_ITEM32(reg, perar, hw_region, 0x04, 0, 16);
static inline void mlxsw_reg_perar_pack(char *payload, u16 region_id,
u16 hw_region)
{
MLXSW_REG_ZERO(perar, payload);
mlxsw_reg_perar_region_id_set(payload, region_id);
mlxsw_reg_perar_hw_region_set(payload, hw_region);
}
/* IEDR - Infrastructure Entry Delete Register
* ----------------------------------------------------
* This register is used for deleting entries from the entry tables.
@ -8057,6 +8099,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = {
MLXSW_REG(prcr),
MLXSW_REG(pefa),
MLXSW_REG(ptce2),
MLXSW_REG(perar),
MLXSW_REG(iedr),
MLXSW_REG(qpcr),
MLXSW_REG(qtct),