hclge_comm_rss.h

  1/* SPDX-License-Identifier: GPL-2.0+ */
  2// Copyright (c) 2021-2021 Hisilicon Limited.
  3
  4#ifndef __HCLGE_COMM_RSS_H
  5#define __HCLGE_COMM_RSS_H
  6#include <linux/types.h>
  7
  8#include "hnae3.h"
  9#include "hclge_comm_cmd.h"
 10
 11#define HCLGE_COMM_RSS_HASH_ALGO_TOEPLITZ	0
 12#define HCLGE_COMM_RSS_HASH_ALGO_SIMPLE		1
 13#define HCLGE_COMM_RSS_HASH_ALGO_SYMMETRIC	2
 14
 15#define HCLGE_COMM_RSS_INPUT_TUPLE_OTHER	GENMASK(3, 0)
 16#define HCLGE_COMM_RSS_INPUT_TUPLE_SCTP		GENMASK(4, 0)
 17
 18#define HCLGE_COMM_D_PORT_BIT		BIT(0)
 19#define HCLGE_COMM_S_PORT_BIT		BIT(1)
 20#define HCLGE_COMM_D_IP_BIT		BIT(2)
 21#define HCLGE_COMM_S_IP_BIT		BIT(3)
 22#define HCLGE_COMM_V_TAG_BIT		BIT(4)
 23#define HCLGE_COMM_RSS_INPUT_TUPLE_SCTP_NO_PORT	\
 24	(HCLGE_COMM_D_IP_BIT | HCLGE_COMM_S_IP_BIT | HCLGE_COMM_V_TAG_BIT)
 25#define HCLGE_COMM_MAX_TC_NUM		8
 26
 27#define HCLGE_COMM_RSS_TC_OFFSET_S		0
 28#define HCLGE_COMM_RSS_TC_OFFSET_M		GENMASK(10, 0)
 29#define HCLGE_COMM_RSS_TC_SIZE_MSB_B	11
 30#define HCLGE_COMM_RSS_TC_SIZE_S		12
 31#define HCLGE_COMM_RSS_TC_SIZE_M		GENMASK(14, 12)
 32#define HCLGE_COMM_RSS_TC_VALID_B		15
 33#define HCLGE_COMM_RSS_TC_SIZE_MSB_OFFSET	3
 34
 35struct hclge_comm_rss_tuple_cfg {
 36	u8 ipv4_tcp_en;
 37	u8 ipv4_udp_en;
 38	u8 ipv4_sctp_en;
 39	u8 ipv4_fragment_en;
 40	u8 ipv6_tcp_en;
 41	u8 ipv6_udp_en;
 42	u8 ipv6_sctp_en;
 43	u8 ipv6_fragment_en;
 44};
 45
 46#define HCLGE_COMM_RSS_KEY_SIZE		40
 47#define HCLGE_COMM_RSS_CFG_TBL_SIZE	16
 48#define HCLGE_COMM_RSS_CFG_TBL_BW_H	2U
 49#define HCLGE_COMM_RSS_CFG_TBL_BW_L	8U
 50#define HCLGE_COMM_RSS_CFG_TBL_SIZE_H	4
 51#define HCLGE_COMM_RSS_SET_BITMAP_MSK	GENMASK(15, 0)
 52#define HCLGE_COMM_RSS_HASH_ALGO_MASK	GENMASK(3, 0)
 53#define HCLGE_COMM_RSS_HASH_KEY_OFFSET_B	4
 54
 55#define HCLGE_COMM_RSS_HASH_KEY_NUM	16
 56struct hclge_comm_rss_config_cmd {
 57	u8 hash_config;
 58	u8 rsv[7];
 59	u8 hash_key[HCLGE_COMM_RSS_HASH_KEY_NUM];
 60};
 61
 62struct hclge_comm_rss_cfg {
 63	u8 rss_hash_key[HCLGE_COMM_RSS_KEY_SIZE]; /* user configured hash keys */
 64
 65	/* shadow table */
 66	u16 *rss_indirection_tbl;
 67	u32 rss_algo;
 68
 69	struct hclge_comm_rss_tuple_cfg rss_tuple_sets;
 70	u32 rss_size;
 71};
 72
 73struct hclge_comm_rss_input_tuple_cmd {
 74	u8 ipv4_tcp_en;
 75	u8 ipv4_udp_en;
 76	u8 ipv4_sctp_en;
 77	u8 ipv4_fragment_en;
 78	u8 ipv6_tcp_en;
 79	u8 ipv6_udp_en;
 80	u8 ipv6_sctp_en;
 81	u8 ipv6_fragment_en;
 82	u8 rsv[16];
 83};
 84
 85struct hclge_comm_rss_ind_tbl_cmd {
 86	__le16 start_table_index;
 87	__le16 rss_set_bitmap;
 88	u8 rss_qid_h[HCLGE_COMM_RSS_CFG_TBL_SIZE_H];
 89	u8 rss_qid_l[HCLGE_COMM_RSS_CFG_TBL_SIZE];
 90};
 91
 92struct hclge_comm_rss_tc_mode_cmd {
 93	__le16 rss_tc_mode[HCLGE_COMM_MAX_TC_NUM];
 94	u8 rsv[8];
 95};
 96
 97u32 hclge_comm_get_rss_key_size(struct hnae3_handle *handle);
 98void hclge_comm_rss_indir_init_cfg(struct hnae3_ae_dev *ae_dev,
 99				   struct hclge_comm_rss_cfg *rss_cfg);
100int hclge_comm_get_rss_tuple(struct hclge_comm_rss_cfg *rss_cfg, int flow_type,
101			     u8 *tuple_sets);
102int hclge_comm_parse_rss_hfunc(struct hclge_comm_rss_cfg *rss_cfg,
103			       const u8 hfunc, u8 *hash_algo);
104void hclge_comm_get_rss_hash_info(struct hclge_comm_rss_cfg *rss_cfg, u8 *key,
105				  u8 *hfunc);
106void hclge_comm_get_rss_indir_tbl(struct hclge_comm_rss_cfg *rss_cfg,
107				  u32 *indir, u16 rss_ind_tbl_size);
108int hclge_comm_set_rss_algo_key(struct hclge_comm_hw *hw, const u8 hfunc,
109				const u8 *key);
110int hclge_comm_init_rss_tuple_cmd(struct hclge_comm_rss_cfg *rss_cfg,
111				  const struct ethtool_rxfh_fields *nfc,
112				  struct hnae3_ae_dev *ae_dev,
113				  struct hclge_comm_rss_input_tuple_cmd *req);
114u64 hclge_comm_convert_rss_tuple(u8 tuple_sets);
115int hclge_comm_set_rss_input_tuple(struct hclge_comm_hw *hw,
116				   struct hclge_comm_rss_cfg *rss_cfg);
117int hclge_comm_set_rss_indir_table(struct hnae3_ae_dev *ae_dev,
118				   struct hclge_comm_hw *hw, const u16 *indir);
119int hclge_comm_rss_init_cfg(struct hnae3_handle *nic,
120			    struct hnae3_ae_dev *ae_dev,
121			    struct hclge_comm_rss_cfg *rss_cfg);
122void hclge_comm_get_rss_tc_info(u16 rss_size, u8 hw_tc_map, u16 *tc_offset,
123				u16 *tc_valid, u16 *tc_size);
124int hclge_comm_set_rss_tc_mode(struct hclge_comm_hw *hw, u16 *tc_offset,
125			       u16 *tc_valid, u16 *tc_size);
126int hclge_comm_set_rss_hash_key(struct hclge_comm_rss_cfg *rss_cfg,
127				struct hclge_comm_hw *hw, const u8 *key,
128				const u8 hfunc);
129int hclge_comm_set_rss_tuple(struct hnae3_ae_dev *ae_dev,
130			     struct hclge_comm_hw *hw,
131			     struct hclge_comm_rss_cfg *rss_cfg,
132			     const struct ethtool_rxfh_fields *nfc);
133#endif