From 937b682cc0bcebe19df7911f3697be7fd8c5dee6 Mon Sep 17 00:00:00 2001 From: Jiri Pirko Date: Fri, 3 Feb 2017 10:28:58 +0100 Subject: [PATCH] mlxsw: reg: Add Policy-Engine Rules Copy Register The PRCR register is used for accessing rules within a TCAM region. Signed-off-by: Jiri Pirko Reviewed-by: Ido Schimmel Signed-off-by: David S. Miller --- drivers/net/ethernet/mellanox/mlxsw/reg.h | 77 +++++++++++++++++++++++ 1 file changed, 77 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index ce6d85a626bb..555cb80ab97b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -2019,6 +2019,82 @@ 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); } +/* PRCR - Policy-Engine Rules Copy Register + * ---------------------------------------- + * This register is used for accessing rules within a TCAM region. + */ +#define MLXSW_REG_PRCR_ID 0x300D +#define MLXSW_REG_PRCR_LEN 0x40 + +MLXSW_REG_DEFINE(prcr, MLXSW_REG_PRCR_ID, MLXSW_REG_PRCR_LEN); + +enum mlxsw_reg_prcr_op { + /* Move rules. Moves the rules from "tcam_region_info" starting + * at offset "offset" to "dest_tcam_region_info" + * at offset "dest_offset." + */ + MLXSW_REG_PRCR_OP_MOVE, + /* Copy rules. Copies the rules from "tcam_region_info" starting + * at offset "offset" to "dest_tcam_region_info" + * at offset "dest_offset." + */ + MLXSW_REG_PRCR_OP_COPY, +}; + +/* reg_prcr_op + * Access: OP + */ +MLXSW_ITEM32(reg, prcr, op, 0x00, 28, 4); + +/* reg_prcr_offset + * Offset within the source region to copy/move from. + * Access: Index + */ +MLXSW_ITEM32(reg, prcr, offset, 0x00, 0, 16); + +/* reg_prcr_size + * The number of rules to copy/move. + * Access: WO + */ +MLXSW_ITEM32(reg, prcr, size, 0x04, 0, 16); + +/* reg_prcr_tcam_region_info + * Opaque object that represents the source TCAM region. + * Access: Index + */ +MLXSW_ITEM_BUF(reg, prcr, tcam_region_info, 0x10, + MLXSW_REG_PXXX_TCAM_REGION_INFO_LEN); + +/* reg_prcr_dest_offset + * Offset within the source region to copy/move to. + * Access: Index + */ +MLXSW_ITEM32(reg, prcr, dest_offset, 0x20, 0, 16); + +/* reg_prcr_dest_tcam_region_info + * Opaque object that represents the destination TCAM region. + * Access: Index + */ +MLXSW_ITEM_BUF(reg, prcr, dest_tcam_region_info, 0x30, + MLXSW_REG_PXXX_TCAM_REGION_INFO_LEN); + +static inline void mlxsw_reg_prcr_pack(char *payload, enum mlxsw_reg_prcr_op op, + const char *src_tcam_region_info, + u16 src_offset, + const char *dest_tcam_region_info, + u16 dest_offset, u16 size) +{ + MLXSW_REG_ZERO(prcr, payload); + mlxsw_reg_prcr_op_set(payload, op); + mlxsw_reg_prcr_offset_set(payload, src_offset); + mlxsw_reg_prcr_size_set(payload, size); + mlxsw_reg_prcr_tcam_region_info_memcpy_to(payload, + src_tcam_region_info); + mlxsw_reg_prcr_dest_offset_set(payload, dest_offset); + mlxsw_reg_prcr_dest_tcam_region_info_memcpy_to(payload, + dest_tcam_region_info); +} + /* PTCE-V2 - Policy-Engine TCAM Entry Register Version 2 * ----------------------------------------------------- * This register is used for accessing rules within a TCAM region. @@ -5799,6 +5875,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = { MLXSW_REG(pacl), MLXSW_REG(pagt), MLXSW_REG(ptar), + MLXSW_REG(prcr), MLXSW_REG(ptce2), MLXSW_REG(qpcr), MLXSW_REG(qtct), -- 2.20.1