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Commit 0171cdec authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
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mlxsw: reg: Add Policy-Engine TCAM Entry Register Version 2



The PTCE-V2 register is used for accessing rules within a TCAM region.
It is a new version of PTCE in order to support wider key, mask and
action within a TCAM region.

Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Reviewed-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d9c2661e
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+100 −0
Original line number Diff line number Diff line
@@ -1957,6 +1957,105 @@ static inline void mlxsw_reg_ptar_unpack(char *payload, char *tcam_region_info)
	mlxsw_reg_ptar_tcam_region_info_memcpy_from(payload, tcam_region_info);
}

/* PTCE-V2 - Policy-Engine TCAM Entry Register Version 2
 * -----------------------------------------------------
 * This register is used for accessing rules within a TCAM region.
 * It is a new version of PTCE in order to support wider key,
 * mask and action within a TCAM region. This register is not supported
 * by SwitchX and SwitchX-2.
 */
#define MLXSW_REG_PTCE2_ID 0x3017
#define MLXSW_REG_PTCE2_LEN 0x1D8

MLXSW_REG_DEFINE(ptce2, MLXSW_REG_PTCE2_ID, MLXSW_REG_PTCE2_LEN);

/* reg_ptce2_v
 * Valid.
 * Access: RW
 */
MLXSW_ITEM32(reg, ptce2, v, 0x00, 31, 1);

/* reg_ptce2_a
 * Activity. Set if a packet lookup has hit on the specific entry.
 * To clear the "a" bit, use "clear activity" op or "clear on read" op.
 * Access: RO
 */
MLXSW_ITEM32(reg, ptce2, a, 0x00, 30, 1);

enum mlxsw_reg_ptce2_op {
	/* Read operation. */
	MLXSW_REG_PTCE2_OP_QUERY_READ = 0,
	/* clear on read operation. Used to read entry
	 * and clear Activity bit.
	 */
	MLXSW_REG_PTCE2_OP_QUERY_CLEAR_ON_READ = 1,
	/* 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 - Note write with v = 0 will delete the entry.
	 */
	MLXSW_REG_PTCE2_OP_WRITE_WRITE = 0,
	/* Update action. Only action set will be updated. */
	MLXSW_REG_PTCE2_OP_WRITE_UPDATE = 1,
	/* Clear activity. A bit is cleared for the entry. */
	MLXSW_REG_PTCE2_OP_WRITE_CLEAR_ACTIVITY = 2,
};

/* reg_ptce2_op
 * Access: OP
 */
MLXSW_ITEM32(reg, ptce2, op, 0x00, 20, 3);

/* reg_ptce2_offset
 * Access: Index
 */
MLXSW_ITEM32(reg, ptce2, offset, 0x00, 0, 16);

/* reg_ptce2_tcam_region_info
 * Opaque object that represents the TCAM region.
 * Access: Index
 */
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

/* 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);

/* reg_ptce2_mask
 * mask- in the same size as key. A bit that is set directs the TCAM
 * to compare the corresponding bit in key. A bit that is clear directs
 * the TCAM to ignore the corresponding bit in key.
 * Access: RW
 */
MLXSW_ITEM_BUF(reg, ptce2, mask, 0x80,
	       MLXSW_REG_PTCE2_FLEX_KEY_BLOCKS_LEN);

#define MLXSW_REG_PTCE2_FLEX_ACTION_SET_LEN 0xA8

/* reg_ptce2_flex_action_set
 * ACL action set.
 * Access: RW
 */
MLXSW_ITEM_BUF(reg, ptce2, flex_action_set, 0xE0,
	       MLXSW_REG_PTCE2_FLEX_ACTION_SET_LEN);

static inline void mlxsw_reg_ptce2_pack(char *payload, bool valid,
					enum mlxsw_reg_ptce2_op op,
					const char *tcam_region_info,
					u16 offset)
{
	MLXSW_REG_ZERO(ptce2, payload);
	mlxsw_reg_ptce2_v_set(payload, valid);
	mlxsw_reg_ptce2_op_set(payload, op);
	mlxsw_reg_ptce2_offset_set(payload, offset);
	mlxsw_reg_ptce2_tcam_region_info_memcpy_to(payload, tcam_region_info);
}

/* QPCR - QoS Policer Configuration Register
 * -----------------------------------------
 * The QPCR register is used to create policers - that limit
@@ -5637,6 +5736,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = {
	MLXSW_REG(pacl),
	MLXSW_REG(pagt),
	MLXSW_REG(ptar),
	MLXSW_REG(ptce2),
	MLXSW_REG(qpcr),
	MLXSW_REG(qtct),
	MLXSW_REG(qeec),