Commit aecefac9 authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller

mlxsw: reg: Add Policy-Engine TCAM Entry Register Version 3

The register is used to configure rules in the A-TCAM.
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Reviewed-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 91329e27
......@@ -2466,14 +2466,14 @@ MLXSW_ITEM32(reg, ptce2, priority, 0x04, 0, 24);
MLXSW_ITEM_BUF(reg, ptce2, tcam_region_info, 0x10,
MLXSW_REG_PXXX_TCAM_REGION_INFO_LEN);
#define MLXSW_REG_PTCE2_FLEX_KEY_BLOCKS_LEN 96
#define MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN 96
/* reg_ptce2_flex_key_blocks
* ACL Key.
* Access: RW
*/
MLXSW_ITEM_BUF(reg, ptce2, flex_key_blocks, 0x20,
MLXSW_REG_PTCE2_FLEX_KEY_BLOCKS_LEN);
MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN);
/* reg_ptce2_mask
* mask- in the same size as key. A bit that is set directs the TCAM
......@@ -2482,7 +2482,7 @@ MLXSW_ITEM_BUF(reg, ptce2, flex_key_blocks, 0x20,
* Access: RW
*/
MLXSW_ITEM_BUF(reg, ptce2, mask, 0x80,
MLXSW_REG_PTCE2_FLEX_KEY_BLOCKS_LEN);
MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN);
/* reg_ptce2_flex_action_set
* ACL action set.
......@@ -2545,6 +2545,164 @@ static inline void mlxsw_reg_perar_pack(char *payload, u16 region_id,
mlxsw_reg_perar_hw_region_set(payload, hw_region);
}
/* PTCE-V3 - Policy-Engine TCAM Entry Register Version 3
* -----------------------------------------------------
* This register is a new version of PTCE-V2 in order to support the
* A-TCAM. This register is not supported by SwitchX/-2 and Spectrum.
*/
#define MLXSW_REG_PTCE3_ID 0x3027
#define MLXSW_REG_PTCE3_LEN 0xF0
MLXSW_REG_DEFINE(ptce3, MLXSW_REG_PTCE3_ID, MLXSW_REG_PTCE3_LEN);
/* reg_ptce3_v
* Valid.
* Access: RW
*/
MLXSW_ITEM32(reg, ptce3, v, 0x00, 31, 1);
enum mlxsw_reg_ptce3_op {
/* Write operation. Used to write a new entry to the table.
* All R/W fields are relevant for new entry. Activity bit is set
* for new entries. Write with v = 0 will delete the entry. Must
* not be used if an entry exists.
*/
MLXSW_REG_PTCE3_OP_WRITE_WRITE = 0,
/* Update operation */
MLXSW_REG_PTCE3_OP_WRITE_UPDATE = 1,
/* Read operation */
MLXSW_REG_PTCE3_OP_QUERY_READ = 0,
};
/* reg_ptce3_op
* Access: OP
*/
MLXSW_ITEM32(reg, ptce3, op, 0x00, 20, 3);
/* reg_ptce3_priority
* Priority of the rule. Higher values win.
* For Spectrum-2 range is 1..cap_kvd_size - 1
* Note: Priority does not have to be unique per rule.
* Access: RW
*/
MLXSW_ITEM32(reg, ptce3, priority, 0x04, 0, 24);
/* reg_ptce3_tcam_region_info
* Opaque object that represents the TCAM region.
* Access: Index
*/
MLXSW_ITEM_BUF(reg, ptce3, tcam_region_info, 0x10,
MLXSW_REG_PXXX_TCAM_REGION_INFO_LEN);
/* reg_ptce3_flex2_key_blocks
* ACL key. The key must be masked according to eRP (if exists) or
* according to master mask.
* Access: Index
*/
MLXSW_ITEM_BUF(reg, ptce3, flex2_key_blocks, 0x20,
MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN);
/* reg_ptce3_erp_id
* eRP ID.
* Access: Index
*/
MLXSW_ITEM32(reg, ptce3, erp_id, 0x80, 0, 4);
/* reg_ptce3_delta_start
* Start point of delta_value and delta_mask, in bits. Must not exceed
* num_key_blocks * 36 - 8. Reserved when delta_mask = 0.
* Access: Index
*/
MLXSW_ITEM32(reg, ptce3, delta_start, 0x84, 0, 10);
/* reg_ptce3_delta_mask
* Delta mask.
* 0 - Ignore relevant bit in delta_value
* 1 - Compare relevant bit in delta_value
* Delta mask must not be set for reserved fields in the key blocks.
* Note: No delta when no eRPs. Thus, for regions with
* PERERP.erpt_pointer_valid = 0 the delta mask must be 0.
* Access: Index
*/
MLXSW_ITEM32(reg, ptce3, delta_mask, 0x88, 16, 8);
/* reg_ptce3_delta_value
* Delta value.
* Bits which are masked by delta_mask must be 0.
* Access: Index
*/
MLXSW_ITEM32(reg, ptce3, delta_value, 0x88, 0, 8);
/* reg_ptce3_prune_vector
* Pruning vector relative to the PERPT.erp_id.
* Used for reducing lookups.
* 0 - NEED: Do a lookup using the eRP.
* 1 - PRUNE: Do not perform a lookup using the eRP.
* Maybe be modified by PEAPBL and PEAPBM.
* Note: In Spectrum-2, a region of 8 key blocks must be set to either
* all 1's or all 0's.
* Access: RW
*/
MLXSW_ITEM_BIT_ARRAY(reg, ptce3, prune_vector, 0x90, 4, 1);
/* reg_ptce3_prune_ctcam
* Pruning on C-TCAM. Used for reducing lookups.
* 0 - NEED: Do a lookup in the C-TCAM.
* 1 - PRUNE: Do not perform a lookup in the C-TCAM.
* Access: RW
*/
MLXSW_ITEM32(reg, ptce3, prune_ctcam, 0x94, 31, 1);
/* reg_ptce3_large_exists
* Large entry key ID exists.
* Within the region:
* 0 - SINGLE: The large_entry_key_id is not currently in use.
* For rule insert: The MSB of the key (blocks 6..11) will be added.
* For rule delete: The MSB of the key will be removed.
* 1 - NON_SINGLE: The large_entry_key_id is currently in use.
* For rule insert: The MSB of the key (blocks 6..11) will not be added.
* For rule delete: The MSB of the key will not be removed.
* Access: WO
*/
MLXSW_ITEM32(reg, ptce3, large_exists, 0x98, 31, 1);
/* reg_ptce3_large_entry_key_id
* Large entry key ID.
* A key for 12 key blocks rules. Reserved when region has less than 12 key
* blocks. Must be different for different keys which have the same common
* 6 key blocks (MSB, blocks 6..11) key within a region.
* Range is 0..cap_max_pe_large_key_id - 1
* Access: RW
*/
MLXSW_ITEM32(reg, ptce3, large_entry_key_id, 0x98, 0, 24);
/* reg_ptce3_action_pointer
* Pointer to action.
* Range is 0..cap_max_kvd_action_sets - 1
* Access: RW
*/
MLXSW_ITEM32(reg, ptce3, action_pointer, 0xA0, 0, 24);
static inline void mlxsw_reg_ptce3_pack(char *payload, bool valid,
enum mlxsw_reg_ptce3_op op,
u32 priority,
const char *tcam_region_info,
const char *key, u8 erp_id,
bool large_exists, u32 lkey_id,
u32 action_pointer)
{
MLXSW_REG_ZERO(ptce3, payload);
mlxsw_reg_ptce3_v_set(payload, valid);
mlxsw_reg_ptce3_op_set(payload, op);
mlxsw_reg_ptce3_priority_set(payload, priority);
mlxsw_reg_ptce3_tcam_region_info_memcpy_to(payload, tcam_region_info);
mlxsw_reg_ptce3_flex2_key_blocks_memcpy_to(payload, key);
mlxsw_reg_ptce3_erp_id_set(payload, erp_id);
mlxsw_reg_ptce3_large_exists_set(payload, large_exists);
mlxsw_reg_ptce3_large_entry_key_id_set(payload, lkey_id);
mlxsw_reg_ptce3_action_pointer_set(payload, action_pointer);
}
/* PERCR - Policy-Engine Region Configuration Register
* ---------------------------------------------------
* This register configures the region parameters. The region_id must be
......@@ -8265,6 +8423,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = {
MLXSW_REG(pefa),
MLXSW_REG(ptce2),
MLXSW_REG(perar),
MLXSW_REG(ptce3),
MLXSW_REG(percr),
MLXSW_REG(pererp),
MLXSW_REG(iedr),
......
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