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/* SPDX-License-Identifier: GPL-2.0+ */
// Copyright (c) 2021-2021 Hisilicon Limited.
#ifndef __HCLGE_COMM_RSS_H
#define __HCLGE_COMM_RSS_H
#include <linux/types.h>
#include "hnae3.h"
#include "hclge_comm_cmd.h"
#define HCLGE_COMM_RSS_HASH_ALGO_TOEPLITZ 0
#define HCLGE_COMM_RSS_HASH_ALGO_SIMPLE 1
#define HCLGE_COMM_RSS_HASH_ALGO_SYMMETRIC 2
#define HCLGE_COMM_RSS_INPUT_TUPLE_OTHER GENMASK(3, 0)
#define HCLGE_COMM_RSS_INPUT_TUPLE_SCTP GENMASK(4, 0)
#define HCLGE_COMM_D_PORT_BIT BIT(0)
#define HCLGE_COMM_S_PORT_BIT BIT(1)
#define HCLGE_COMM_D_IP_BIT BIT(2)
#define HCLGE_COMM_S_IP_BIT BIT(3)
#define HCLGE_COMM_V_TAG_BIT BIT(4)
#define HCLGE_COMM_RSS_INPUT_TUPLE_SCTP_NO_PORT \
(HCLGE_COMM_D_IP_BIT | HCLGE_COMM_S_IP_BIT | HCLGE_COMM_V_TAG_BIT)
#define HCLGE_COMM_MAX_TC_NUM 8
#define HCLGE_COMM_RSS_TC_OFFSET_S 0
#define HCLGE_COMM_RSS_TC_OFFSET_M GENMASK(10, 0)
#define HCLGE_COMM_RSS_TC_SIZE_MSB_B 11
#define HCLGE_COMM_RSS_TC_SIZE_S 12
#define HCLGE_COMM_RSS_TC_SIZE_M GENMASK(14, 12)
#define HCLGE_COMM_RSS_TC_VALID_B 15
#define HCLGE_COMM_RSS_TC_SIZE_MSB_OFFSET 3
struct hclge_comm_rss_tuple_cfg {
u8 ipv4_tcp_en;
u8 ipv4_udp_en;
u8 ipv4_sctp_en;
u8 ipv4_fragment_en;
u8 ipv6_tcp_en;
u8 ipv6_udp_en;
u8 ipv6_sctp_en;
u8 ipv6_fragment_en;
};
#define HCLGE_COMM_RSS_KEY_SIZE 40
#define HCLGE_COMM_RSS_CFG_TBL_SIZE 16
#define HCLGE_COMM_RSS_CFG_TBL_BW_H 2U
#define HCLGE_COMM_RSS_CFG_TBL_BW_L 8U
#define HCLGE_COMM_RSS_CFG_TBL_SIZE_H 4
#define HCLGE_COMM_RSS_SET_BITMAP_MSK GENMASK(15, 0)
#define HCLGE_COMM_RSS_HASH_ALGO_MASK GENMASK(3, 0)
#define HCLGE_COMM_RSS_HASH_KEY_OFFSET_B 4
#define HCLGE_COMM_RSS_HASH_KEY_NUM 16
struct hclge_comm_rss_config_cmd {
u8 hash_config;
u8 rsv[7];
u8 hash_key[HCLGE_COMM_RSS_HASH_KEY_NUM];
};
struct hclge_comm_rss_cfg {
u8 rss_hash_key[HCLGE_COMM_RSS_KEY_SIZE]; /* user configured hash keys */
/* shadow table */
u16 *rss_indirection_tbl;
u32 rss_algo;
struct hclge_comm_rss_tuple_cfg rss_tuple_sets;
u32 rss_size;
};
struct hclge_comm_rss_input_tuple_cmd {
u8 ipv4_tcp_en;
u8 ipv4_udp_en;
u8 ipv4_sctp_en;
u8 ipv4_fragment_en;
u8 ipv6_tcp_en;
u8 ipv6_udp_en;
u8 ipv6_sctp_en;
u8 ipv6_fragment_en;
u8 rsv[16];
};
struct hclge_comm_rss_ind_tbl_cmd {
__le16 start_table_index;
__le16 rss_set_bitmap;
u8 rss_qid_h[HCLGE_COMM_RSS_CFG_TBL_SIZE_H];
u8 rss_qid_l[HCLGE_COMM_RSS_CFG_TBL_SIZE];
};
struct hclge_comm_rss_tc_mode_cmd {
__le16 rss_tc_mode[HCLGE_COMM_MAX_TC_NUM];
u8 rsv[8];
};
u32 hclge_comm_get_rss_key_size(struct hnae3_handle *handle);
void hclge_comm_rss_indir_init_cfg(struct hnae3_ae_dev *ae_dev,
struct hclge_comm_rss_cfg *rss_cfg);
int hclge_comm_get_rss_tuple(struct hclge_comm_rss_cfg *rss_cfg, int flow_type,
u8 *tuple_sets);
int hclge_comm_parse_rss_hfunc(struct hclge_comm_rss_cfg *rss_cfg,
const u8 hfunc, u8 *hash_algo);
void hclge_comm_get_rss_hash_info(struct hclge_comm_rss_cfg *rss_cfg, u8 *key,
u8 *hfunc);
void hclge_comm_get_rss_indir_tbl(struct hclge_comm_rss_cfg *rss_cfg,
u32 *indir, u16 rss_ind_tbl_size);
int hclge_comm_set_rss_algo_key(struct hclge_comm_hw *hw, const u8 hfunc,
const u8 *key);
int hclge_comm_init_rss_tuple_cmd(struct hclge_comm_rss_cfg *rss_cfg,
struct ethtool_rxnfc *nfc,
struct hnae3_ae_dev *ae_dev,
struct hclge_comm_rss_input_tuple_cmd *req);
u64 hclge_comm_convert_rss_tuple(u8 tuple_sets);
int hclge_comm_set_rss_input_tuple(struct hnae3_handle *nic,
struct hclge_comm_hw *hw, bool is_pf,
struct hclge_comm_rss_cfg *rss_cfg);
int hclge_comm_set_rss_indir_table(struct hnae3_ae_dev *ae_dev,
struct hclge_comm_hw *hw, const u16 *indir);
int hclge_comm_rss_init_cfg(struct hnae3_handle *nic,
struct hnae3_ae_dev *ae_dev,
struct hclge_comm_rss_cfg *rss_cfg);
void hclge_comm_get_rss_tc_info(u16 rss_size, u8 hw_tc_map, u16 *tc_offset,
u16 *tc_valid, u16 *tc_size);
int hclge_comm_set_rss_tc_mode(struct hclge_comm_hw *hw, u16 *tc_offset,
u16 *tc_valid, u16 *tc_size);
int hclge_comm_set_rss_hash_key(struct hclge_comm_rss_cfg *rss_cfg,
struct hclge_comm_hw *hw, const u8 *key,
const u8 hfunc);
int hclge_comm_set_rss_tuple(struct hnae3_ae_dev *ae_dev,
struct hclge_comm_hw *hw,
struct hclge_comm_rss_cfg *rss_cfg,
struct ethtool_rxnfc *nfc);
#endif
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