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Tue, 24 Jul 2018 12:26:40 +0000 From: Ido Schimmel To: linux-internal@mellanox.com Subject: [PATCH net-next mlxsw v3 03/18] mlxsw: reg: Add Policy-Engine eRP Table Register Date: Tue, 24 Jul 2018 15:25:56 +0300 Message-Id: <20180724122611.13150-4-idosch@mellanox.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180724122611.13150-1-idosch@mellanox.com> References: <20180724122611.13150-1-idosch@mellanox.com> MIME-Version: 1.0 X-Originating-IP: [193.47.165.251] X-ClientProxiedBy: AM4PR0101CA0050.eurprd01.prod.exchangelabs.com (2603:10a6:200:41::18) To VI1PR0501MB2333.eurprd05.prod.outlook.com (2603:10a6:800:2c::22) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: c922a5f1-2d95-491c-e81d-08d5f160b5a3 X-MS-Office365-Filtering-HT: Tenant X-Microsoft-Antispam: BCL:0; PCL:0; RULEID:(7020095)(4652040)(8989117)(5600073)(711020)(4618075)(2017052603328)(7153060)(7193020); SRVR:VI1PR0501MB2333; X-Microsoft-Exchange-Diagnostics: 1; VI1PR0501MB2333; 3:i7XjNQdpQFjV0PtwGSI+BJXP6Xpwoek4I9DzzTNYDkPiczplh7OlMatSAg1OpiUE/ZSKk2vz//7idJmtQXtNgwqYrzA49Ah4RVMI+yO3FGZgHDb7s+iFBQqMp2pttNpDaLmGv1C1LLaefLVPfNOzuAoTF21yUKrvBh6VUgmopCL56kSccMJxL2iJ00bV1qNvCaJR/94rGaooWL6WW+QmLoXgE3k7rfYWzVI6c+/ovIsffYgP06oFej7UnCDv8j68; 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Signed-off-by: Ido Schimmel Reviewed-by: Jiri Pirko --- drivers/net/ethernet/mellanox/mlxsw/reg.h | 113 ++++++++++++++++++++++ 1 file changed, 113 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index cf07436c911b..5acef249e776 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -2504,6 +2504,118 @@ static inline void mlxsw_reg_ptce2_pack(char *payload, bool valid, mlxsw_reg_ptce2_tcam_region_info_memcpy_to(payload, tcam_region_info); } +/* PERPT - Policy-Engine ERP Table Register + * ---------------------------------------- + * This register adds and removes eRPs from the eRP table. + */ +#define MLXSW_REG_PERPT_ID 0x3021 +#define MLXSW_REG_PERPT_LEN 0x80 + +MLXSW_REG_DEFINE(perpt, MLXSW_REG_PERPT_ID, MLXSW_REG_PERPT_LEN); + +/* reg_perpt_erpt_bank + * eRP table bank. + * Range 0 .. cap_max_erp_table_banks - 1 + * Access: Index + */ +MLXSW_ITEM32(reg, perpt, erpt_bank, 0x00, 16, 4); + +/* reg_perpt_erpt_index + * Index to eRP table within the eRP bank. + * Range is 0 .. cap_max_erp_table_bank_size - 1 + * Access: Index + */ +MLXSW_ITEM32(reg, perpt, erpt_index, 0x00, 0, 8); + +enum mlxsw_reg_perpt_key_size { + MLXSW_REG_PERPT_KEY_SIZE_2KB, + MLXSW_REG_PERPT_KEY_SIZE_4KB, + MLXSW_REG_PERPT_KEY_SIZE_8KB, + MLXSW_REG_PERPT_KEY_SIZE_12KB, +}; + +/* reg_perpt_key_size + * Access: OP + */ +MLXSW_ITEM32(reg, perpt, key_size, 0x04, 0, 4); + +/* reg_perpt_bf_bypass + * 0 - The eRP is used only if bloom filter state is set for the given + * rule. + * 1 - The eRP is used regardless of bloom filter state. + * The bypass is an OR condition of region_id or eRP. See PERCR.bf_bypass + * Access: RW + */ +MLXSW_ITEM32(reg, perpt, bf_bypass, 0x08, 8, 1); + +/* reg_perpt_erp_id + * eRP ID for use by the rules. + * Access: RW + */ +MLXSW_ITEM32(reg, perpt, erp_id, 0x08, 0, 4); + +/* reg_perpt_erpt_base_bank + * Base eRP table bank, points to head of erp_vector + * Range is 0 .. cap_max_erp_table_banks - 1 + * Access: OP + */ +MLXSW_ITEM32(reg, perpt, erpt_base_bank, 0x0C, 16, 4); + +/* reg_perpt_erpt_base_index + * Base index to eRP table within the eRP bank + * Range is 0 .. cap_max_erp_table_bank_size - 1 + * Access: OP + */ +MLXSW_ITEM32(reg, perpt, erpt_base_index, 0x0C, 0, 8); + +/* reg_perpt_erp_index_in_vector + * eRP index in the vector. + * Access: OP + */ +MLXSW_ITEM32(reg, perpt, erp_index_in_vector, 0x10, 0, 4); + +/* reg_perpt_erp_vector + * eRP vector. + * Access: OP + */ +MLXSW_ITEM_BIT_ARRAY(reg, perpt, erp_vector, 0x14, 4, 1); + +/* reg_perpt_mask + * Mask + * 0 - A-TCAM will ignore the bit in key + * 1 - A-TCAM will compare the bit in key + * Access: RW + */ +MLXSW_ITEM_BUF(reg, perpt, mask, 0x20, MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN); + +static inline void mlxsw_reg_perpt_erp_vector_pack(char *payload, + unsigned long *erp_vector, + unsigned long size) +{ + unsigned long bit; + + for_each_set_bit(bit, erp_vector, size) + mlxsw_reg_perpt_erp_vector_set(payload, bit, true); +} + +static inline void +mlxsw_reg_perpt_pack(char *payload, u8 erpt_bank, u8 erpt_index, + enum mlxsw_reg_perpt_key_size key_size, u8 erp_id, + u8 erpt_base_bank, u8 erpt_base_index, u8 erp_index, + char *mask) +{ + MLXSW_REG_ZERO(perpt, payload); + mlxsw_reg_perpt_erpt_bank_set(payload, erpt_bank); + mlxsw_reg_perpt_erpt_index_set(payload, erpt_index); + mlxsw_reg_perpt_key_size_set(payload, key_size); + mlxsw_reg_perpt_bf_bypass_set(payload, true); + mlxsw_reg_perpt_erp_id_set(payload, erp_id); + mlxsw_reg_perpt_erpt_base_bank_set(payload, erpt_base_bank); + mlxsw_reg_perpt_erpt_base_index_set(payload, erpt_base_index); + mlxsw_reg_perpt_erp_index_in_vector_set(payload, erp_index); + mlxsw_reg_perpt_mask_memcpy_to(payload, mask); +} + /* PERAR - Policy-Engine Region Association Register * ------------------------------------------------- * This register associates a hw region for region_id's. Changing on the fly @@ -8422,6 +8534,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = { MLXSW_REG(prcr), MLXSW_REG(pefa), MLXSW_REG(ptce2), + MLXSW_REG(perpt), MLXSW_REG(perar), MLXSW_REG(ptce3), MLXSW_REG(percr),