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mlxsw: reg: Add Policy-Engine TCAM Entry Register Version 3
The register is used to configure rules in the A-TCAM. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel
David S. Miller
parent
91329e27f3
commit
aecefac903
@ -2466,14 +2466,14 @@ MLXSW_ITEM32(reg, ptce2, priority, 0x04, 0, 24);
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MLXSW_ITEM_BUF(reg, ptce2, tcam_region_info, 0x10,
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MLXSW_REG_PXXX_TCAM_REGION_INFO_LEN);
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#define MLXSW_REG_PTCE2_FLEX_KEY_BLOCKS_LEN 96
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#define MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN 96
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/* reg_ptce2_flex_key_blocks
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* ACL Key.
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* Access: RW
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*/
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MLXSW_ITEM_BUF(reg, ptce2, flex_key_blocks, 0x20,
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MLXSW_REG_PTCE2_FLEX_KEY_BLOCKS_LEN);
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MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN);
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/* reg_ptce2_mask
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* mask- in the same size as key. A bit that is set directs the TCAM
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@ -2482,7 +2482,7 @@ MLXSW_ITEM_BUF(reg, ptce2, flex_key_blocks, 0x20,
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* Access: RW
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*/
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MLXSW_ITEM_BUF(reg, ptce2, mask, 0x80,
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MLXSW_REG_PTCE2_FLEX_KEY_BLOCKS_LEN);
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MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN);
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/* reg_ptce2_flex_action_set
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* ACL action set.
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@ -2545,6 +2545,164 @@ static inline void mlxsw_reg_perar_pack(char *payload, u16 region_id,
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mlxsw_reg_perar_hw_region_set(payload, hw_region);
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}
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/* PTCE-V3 - Policy-Engine TCAM Entry Register Version 3
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* -----------------------------------------------------
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* This register is a new version of PTCE-V2 in order to support the
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* A-TCAM. This register is not supported by SwitchX/-2 and Spectrum.
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*/
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#define MLXSW_REG_PTCE3_ID 0x3027
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#define MLXSW_REG_PTCE3_LEN 0xF0
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MLXSW_REG_DEFINE(ptce3, MLXSW_REG_PTCE3_ID, MLXSW_REG_PTCE3_LEN);
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/* reg_ptce3_v
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* Valid.
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* Access: RW
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*/
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MLXSW_ITEM32(reg, ptce3, v, 0x00, 31, 1);
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enum mlxsw_reg_ptce3_op {
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/* Write operation. Used to write a new entry to the table.
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* All R/W fields are relevant for new entry. Activity bit is set
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* for new entries. Write with v = 0 will delete the entry. Must
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* not be used if an entry exists.
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*/
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MLXSW_REG_PTCE3_OP_WRITE_WRITE = 0,
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/* Update operation */
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MLXSW_REG_PTCE3_OP_WRITE_UPDATE = 1,
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/* Read operation */
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MLXSW_REG_PTCE3_OP_QUERY_READ = 0,
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};
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/* reg_ptce3_op
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* Access: OP
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*/
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MLXSW_ITEM32(reg, ptce3, op, 0x00, 20, 3);
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/* reg_ptce3_priority
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* Priority of the rule. Higher values win.
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* For Spectrum-2 range is 1..cap_kvd_size - 1
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* Note: Priority does not have to be unique per rule.
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* Access: RW
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*/
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MLXSW_ITEM32(reg, ptce3, priority, 0x04, 0, 24);
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/* reg_ptce3_tcam_region_info
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* Opaque object that represents the TCAM region.
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* Access: Index
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*/
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MLXSW_ITEM_BUF(reg, ptce3, tcam_region_info, 0x10,
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MLXSW_REG_PXXX_TCAM_REGION_INFO_LEN);
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/* reg_ptce3_flex2_key_blocks
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* ACL key. The key must be masked according to eRP (if exists) or
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* according to master mask.
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* Access: Index
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*/
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MLXSW_ITEM_BUF(reg, ptce3, flex2_key_blocks, 0x20,
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MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN);
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/* reg_ptce3_erp_id
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* eRP ID.
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* Access: Index
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*/
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MLXSW_ITEM32(reg, ptce3, erp_id, 0x80, 0, 4);
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/* reg_ptce3_delta_start
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* Start point of delta_value and delta_mask, in bits. Must not exceed
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* num_key_blocks * 36 - 8. Reserved when delta_mask = 0.
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* Access: Index
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*/
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MLXSW_ITEM32(reg, ptce3, delta_start, 0x84, 0, 10);
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/* reg_ptce3_delta_mask
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* Delta mask.
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* 0 - Ignore relevant bit in delta_value
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* 1 - Compare relevant bit in delta_value
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* Delta mask must not be set for reserved fields in the key blocks.
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* Note: No delta when no eRPs. Thus, for regions with
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* PERERP.erpt_pointer_valid = 0 the delta mask must be 0.
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* Access: Index
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*/
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MLXSW_ITEM32(reg, ptce3, delta_mask, 0x88, 16, 8);
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/* reg_ptce3_delta_value
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* Delta value.
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* Bits which are masked by delta_mask must be 0.
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* Access: Index
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*/
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MLXSW_ITEM32(reg, ptce3, delta_value, 0x88, 0, 8);
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/* reg_ptce3_prune_vector
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* Pruning vector relative to the PERPT.erp_id.
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* Used for reducing lookups.
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* 0 - NEED: Do a lookup using the eRP.
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* 1 - PRUNE: Do not perform a lookup using the eRP.
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* Maybe be modified by PEAPBL and PEAPBM.
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* Note: In Spectrum-2, a region of 8 key blocks must be set to either
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* all 1's or all 0's.
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* Access: RW
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*/
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MLXSW_ITEM_BIT_ARRAY(reg, ptce3, prune_vector, 0x90, 4, 1);
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/* reg_ptce3_prune_ctcam
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* Pruning on C-TCAM. Used for reducing lookups.
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* 0 - NEED: Do a lookup in the C-TCAM.
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* 1 - PRUNE: Do not perform a lookup in the C-TCAM.
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* Access: RW
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*/
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MLXSW_ITEM32(reg, ptce3, prune_ctcam, 0x94, 31, 1);
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/* reg_ptce3_large_exists
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* Large entry key ID exists.
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* Within the region:
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* 0 - SINGLE: The large_entry_key_id is not currently in use.
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* For rule insert: The MSB of the key (blocks 6..11) will be added.
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* For rule delete: The MSB of the key will be removed.
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* 1 - NON_SINGLE: The large_entry_key_id is currently in use.
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* For rule insert: The MSB of the key (blocks 6..11) will not be added.
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* For rule delete: The MSB of the key will not be removed.
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* Access: WO
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*/
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MLXSW_ITEM32(reg, ptce3, large_exists, 0x98, 31, 1);
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/* reg_ptce3_large_entry_key_id
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* Large entry key ID.
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* A key for 12 key blocks rules. Reserved when region has less than 12 key
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* blocks. Must be different for different keys which have the same common
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* 6 key blocks (MSB, blocks 6..11) key within a region.
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* Range is 0..cap_max_pe_large_key_id - 1
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* Access: RW
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*/
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MLXSW_ITEM32(reg, ptce3, large_entry_key_id, 0x98, 0, 24);
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/* reg_ptce3_action_pointer
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* Pointer to action.
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* Range is 0..cap_max_kvd_action_sets - 1
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* Access: RW
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*/
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MLXSW_ITEM32(reg, ptce3, action_pointer, 0xA0, 0, 24);
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static inline void mlxsw_reg_ptce3_pack(char *payload, bool valid,
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enum mlxsw_reg_ptce3_op op,
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u32 priority,
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const char *tcam_region_info,
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const char *key, u8 erp_id,
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bool large_exists, u32 lkey_id,
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u32 action_pointer)
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{
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MLXSW_REG_ZERO(ptce3, payload);
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mlxsw_reg_ptce3_v_set(payload, valid);
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mlxsw_reg_ptce3_op_set(payload, op);
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mlxsw_reg_ptce3_priority_set(payload, priority);
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mlxsw_reg_ptce3_tcam_region_info_memcpy_to(payload, tcam_region_info);
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mlxsw_reg_ptce3_flex2_key_blocks_memcpy_to(payload, key);
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mlxsw_reg_ptce3_erp_id_set(payload, erp_id);
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mlxsw_reg_ptce3_large_exists_set(payload, large_exists);
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mlxsw_reg_ptce3_large_entry_key_id_set(payload, lkey_id);
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mlxsw_reg_ptce3_action_pointer_set(payload, action_pointer);
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}
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/* PERCR - Policy-Engine Region Configuration Register
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* ---------------------------------------------------
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* This register configures the region parameters. The region_id must be
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@ -8265,6 +8423,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = {
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MLXSW_REG(pefa),
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MLXSW_REG(ptce2),
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MLXSW_REG(perar),
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MLXSW_REG(ptce3),
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MLXSW_REG(percr),
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MLXSW_REG(pererp),
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MLXSW_REG(iedr),
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