diff options
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_rss.h')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_rss.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_rss.h b/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_rss.h new file mode 100644 index 000000000000..aa1d7a6ff4ca --- /dev/null +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_rss.h @@ -0,0 +1,136 @@ +/* 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_get_rss_type(struct hnae3_handle *nic, + struct hclge_comm_rss_tuple_cfg *rss_tuple_sets); +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, __le16 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 |