mirror of https://github.com/F-Stack/f-stack.git
196 lines
5.9 KiB
C
196 lines
5.9 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
|
|
* Copyright(c) 2018-2021 HiSilicon Limited.
|
|
*/
|
|
|
|
#ifndef HNS3_RSS_H
|
|
#define HNS3_RSS_H
|
|
|
|
#include <rte_ethdev.h>
|
|
#include <rte_flow.h>
|
|
|
|
#define HNS3_RSS_SUPPORT_L3_SRC_DST (RTE_ETH_RSS_L3_SRC_ONLY | \
|
|
RTE_ETH_RSS_L3_DST_ONLY)
|
|
#define HNS3_RSS_SUPPORT_L4_SRC_DST (RTE_ETH_RSS_L4_SRC_ONLY | \
|
|
RTE_ETH_RSS_L4_DST_ONLY)
|
|
#define HNS3_RSS_SUPPORT_L3L4 (HNS3_RSS_SUPPORT_L3_SRC_DST | \
|
|
HNS3_RSS_SUPPORT_L4_SRC_DST)
|
|
|
|
#define HNS3_RSS_SUPPORT_FLOW_TYPE (RTE_ETH_RSS_IPV4 | \
|
|
RTE_ETH_RSS_FRAG_IPV4 | \
|
|
RTE_ETH_RSS_NONFRAG_IPV4_TCP | \
|
|
RTE_ETH_RSS_NONFRAG_IPV4_UDP | \
|
|
RTE_ETH_RSS_NONFRAG_IPV4_SCTP | \
|
|
RTE_ETH_RSS_NONFRAG_IPV4_OTHER | \
|
|
RTE_ETH_RSS_IPV6 | \
|
|
RTE_ETH_RSS_FRAG_IPV6 | \
|
|
RTE_ETH_RSS_NONFRAG_IPV6_TCP | \
|
|
RTE_ETH_RSS_NONFRAG_IPV6_UDP | \
|
|
RTE_ETH_RSS_NONFRAG_IPV6_SCTP | \
|
|
RTE_ETH_RSS_NONFRAG_IPV6_OTHER)
|
|
|
|
#define HNS3_ETH_RSS_SUPPORT (HNS3_RSS_SUPPORT_FLOW_TYPE | \
|
|
HNS3_RSS_SUPPORT_L3L4)
|
|
|
|
enum hns3_tuple_field {
|
|
/* IPV4_TCP ENABLE FIELD */
|
|
HNS3_RSS_FIELD_IPV4_TCP_EN_TCP_D = 0,
|
|
HNS3_RSS_FIELD_IPV4_TCP_EN_TCP_S,
|
|
HNS3_RSS_FIELD_IPV4_TCP_EN_IP_D,
|
|
HNS3_RSS_FIELD_IPV4_TCP_EN_IP_S,
|
|
|
|
/* IPV4_UDP ENABLE FIELD */
|
|
HNS3_RSS_FIELD_IPV4_UDP_EN_UDP_D = 8,
|
|
HNS3_RSS_FIELD_IPV4_UDP_EN_UDP_S,
|
|
HNS3_RSS_FIELD_IPV4_UDP_EN_IP_D,
|
|
HNS3_RSS_FIELD_IPV4_UDP_EN_IP_S,
|
|
|
|
/* IPV4_SCTP ENABLE FIELD */
|
|
HNS3_RSS_FIELD_IPV4_SCTP_EN_SCTP_D = 16,
|
|
HNS3_RSS_FIELD_IPV4_SCTP_EN_SCTP_S,
|
|
HNS3_RSS_FIELD_IPV4_SCTP_EN_IP_D,
|
|
HNS3_RSS_FIELD_IPV4_SCTP_EN_IP_S,
|
|
|
|
/* IPV4 ENABLE FIELD */
|
|
HNS3_RSS_FIELD_IPV4_EN_NONFRAG_IP_D = 24,
|
|
HNS3_RSS_FIELD_IPV4_EN_NONFRAG_IP_S,
|
|
HNS3_RSS_FIELD_IPV4_EN_FRAG_IP_D,
|
|
HNS3_RSS_FIELD_IPV4_EN_FRAG_IP_S,
|
|
|
|
/* IPV6_TCP ENABLE FIELD */
|
|
HNS3_RSS_FIELD_IPV6_TCP_EN_TCP_D = 32,
|
|
HNS3_RSS_FIELD_IPV6_TCP_EN_TCP_S,
|
|
HNS3_RSS_FIELD_IPV6_TCP_EN_IP_D,
|
|
HNS3_RSS_FIELD_IPV6_TCP_EN_IP_S,
|
|
|
|
/* IPV6_UDP ENABLE FIELD */
|
|
HNS3_RSS_FIELD_IPV6_UDP_EN_UDP_D = 40,
|
|
HNS3_RSS_FIELD_IPV6_UDP_EN_UDP_S,
|
|
HNS3_RSS_FIELD_IPV6_UDP_EN_IP_D,
|
|
HNS3_RSS_FIELD_IPV6_UDP_EN_IP_S,
|
|
|
|
/* IPV6_SCTP ENABLE FIELD */
|
|
HNS3_RSS_FIELD_IPV6_SCTP_EN_SCTP_D = 48,
|
|
HNS3_RSS_FIELD_IPV6_SCTP_EN_SCTP_S,
|
|
HNS3_RSS_FIELD_IPV6_SCTP_EN_IP_D,
|
|
HNS3_RSS_FIELD_IPV6_SCTP_EN_IP_S,
|
|
|
|
/* IPV6 ENABLE FIELD */
|
|
HNS3_RSS_FIELD_IPV6_NONFRAG_IP_D = 56,
|
|
HNS3_RSS_FIELD_IPV6_NONFRAG_IP_S,
|
|
HNS3_RSS_FIELD_IPV6_FRAG_IP_D,
|
|
HNS3_RSS_FIELD_IPV6_FRAG_IP_S
|
|
};
|
|
|
|
#define HNS3_RSS_PCTYPE_IPV4_TCP BIT_ULL(0)
|
|
#define HNS3_RSS_PCTYPE_IPV4_UDP BIT_ULL(8)
|
|
#define HNS3_RSS_PCTYPE_IPV4_SCTP BIT_ULL(16)
|
|
#define HNS3_RSS_PCTYPE_IPV4_NONF BIT_ULL(24)
|
|
#define HNS3_RSS_PCTYPE_IPV4_FLAG BIT_ULL(26)
|
|
#define HNS3_RSS_PCTYPE_IPV6_TCP BIT_ULL(32)
|
|
#define HNS3_RSS_PCTYPE_IPV6_UDP BIT_ULL(40)
|
|
#define HNS3_RSS_PCTYPE_IPV6_SCTP BIT_ULL(48)
|
|
#define HNS3_RSS_PCTYPE_IPV6_NONF BIT_ULL(56)
|
|
#define HNS3_RSS_PCTYPE_IPV6_FLAG BIT_ULL(58)
|
|
|
|
#define HNS3_RSS_TUPLE_IPV4_TCP_M GENMASK(3, 0)
|
|
#define HNS3_RSS_TUPLE_IPV4_UDP_M GENMASK(11, 8)
|
|
#define HNS3_RSS_TUPLE_IPV4_SCTP_M GENMASK(19, 16)
|
|
#define HNS3_RSS_TUPLE_IPV4_NONF_M GENMASK(25, 24)
|
|
#define HNS3_RSS_TUPLE_IPV4_FLAG_M GENMASK(27, 26)
|
|
#define HNS3_RSS_TUPLE_IPV6_TCP_M GENMASK(35, 32)
|
|
#define HNS3_RSS_TUPLE_IPV6_UDP_M GENMASK(43, 40)
|
|
#define HNS3_RSS_TUPLE_IPV6_SCTP_M GENMASK(51, 48)
|
|
#define HNS3_RSS_TUPLE_IPV6_NONF_M GENMASK(57, 56)
|
|
#define HNS3_RSS_TUPLE_IPV6_FLAG_M GENMASK(59, 58)
|
|
|
|
#define HNS3_RSS_IND_TBL_SIZE 512 /* The size of hash lookup table */
|
|
#define HNS3_RSS_IND_TBL_SIZE_MAX 2048
|
|
#define HNS3_RSS_KEY_SIZE 40
|
|
#define HNS3_RSS_KEY_SIZE_MAX 128
|
|
#define HNS3_RSS_SET_BITMAP_MSK 0xffff
|
|
|
|
#define HNS3_RSS_HASH_ALGO_TOEPLITZ 0
|
|
#define HNS3_RSS_HASH_ALGO_SIMPLE 1
|
|
#define HNS3_RSS_HASH_ALGO_SYMMETRIC_TOEP 2
|
|
#define HNS3_RSS_HASH_ALGO_MASK 0xf
|
|
|
|
/* Same as the Max queue num under TC */
|
|
#define HNS3_RSS_QUEUES_BUFFER_NUM 512
|
|
struct hns3_rss_conf {
|
|
uint64_t rss_hf;
|
|
uint8_t hash_algo; /* hash function type defined by hardware */
|
|
uint8_t key[HNS3_RSS_KEY_SIZE_MAX]; /* Hash key */
|
|
uint16_t rss_indirection_tbl[HNS3_RSS_IND_TBL_SIZE_MAX];
|
|
/*
|
|
* For IPv6 SCTP packets type, check whether the NIC hardware support
|
|
* RSS hash using the src/dst port as the input tuple. For Kunpeng920
|
|
* NIC hardware, it is not supported
|
|
*/
|
|
bool ipv6_sctp_offload_supported;
|
|
};
|
|
|
|
#ifndef ilog2
|
|
static inline int rss_ilog2(uint32_t x)
|
|
{
|
|
int log = 0;
|
|
x >>= 1;
|
|
|
|
while (x) {
|
|
log++;
|
|
x >>= 1;
|
|
}
|
|
return log;
|
|
}
|
|
#define ilog2(x) rss_ilog2(x)
|
|
#endif
|
|
|
|
static inline uint32_t fls(uint32_t x)
|
|
{
|
|
uint32_t position;
|
|
uint32_t i;
|
|
|
|
if (x == 0)
|
|
return 0;
|
|
|
|
for (i = (x >> 1), position = 0; i != 0; ++position)
|
|
i >>= 1;
|
|
|
|
return position + 1;
|
|
}
|
|
|
|
static inline uint32_t roundup_pow_of_two(uint32_t x)
|
|
{
|
|
return 1UL << fls(x - 1);
|
|
}
|
|
|
|
extern const uint8_t hns3_hash_key[HNS3_RSS_KEY_SIZE];
|
|
|
|
struct hns3_adapter;
|
|
struct hns3_hw;
|
|
|
|
int hns3_dev_rss_hash_update(struct rte_eth_dev *dev,
|
|
struct rte_eth_rss_conf *rss_conf);
|
|
int hns3_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
|
|
struct rte_eth_rss_conf *rss_conf);
|
|
int hns3_dev_rss_reta_update(struct rte_eth_dev *dev,
|
|
struct rte_eth_rss_reta_entry64 *reta_conf,
|
|
uint16_t reta_size);
|
|
int hns3_dev_rss_reta_query(struct rte_eth_dev *dev,
|
|
struct rte_eth_rss_reta_entry64 *reta_conf,
|
|
uint16_t reta_size);
|
|
void hns3_rss_set_default_args(struct hns3_hw *hw);
|
|
int hns3_set_rss_indir_table(struct hns3_hw *hw, uint16_t *indir,
|
|
uint16_t size);
|
|
int hns3_rss_reset_indir_table(struct hns3_hw *hw);
|
|
int hns3_config_rss(struct hns3_adapter *hns);
|
|
void hns3_rss_uninit(struct hns3_adapter *hns);
|
|
bool hns3_check_rss_types_valid(struct hns3_hw *hw, uint64_t types);
|
|
int hns3_set_rss_tuple_by_rss_hf(struct hns3_hw *hw, uint64_t rss_hf);
|
|
int hns3_set_rss_tuple_field(struct hns3_hw *hw, uint64_t tuple_fields);
|
|
int hns3_get_rss_tuple_field(struct hns3_hw *hw, uint64_t *tuple_fields);
|
|
uint64_t hns3_rss_calc_tuple_filed(uint64_t rss_hf);
|
|
int hns3_update_rss_algo_key(struct hns3_hw *hw, uint8_t hash_algo,
|
|
uint8_t *key, uint8_t key_len);
|
|
|
|
#endif /* HNS3_RSS_H */
|