blob: 1715c98d906d5d2040855c4583710d3c20203c8d [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0+ */
// Copyright (c) 2016-2017 Hisilicon Limited.
#ifndef __HNS3_ENET_H
#define __HNS3_ENET_H
#include <linux/dim.h>
#include <linux/if_vlan.h>
#include <net/page_pool.h>
#include "hnae3.h"
enum hns3_nic_state {
HNS3_NIC_STATE_TESTING,
HNS3_NIC_STATE_RESETTING,
HNS3_NIC_STATE_INITED,
HNS3_NIC_STATE_DOWN,
HNS3_NIC_STATE_DISABLED,
HNS3_NIC_STATE_REMOVING,
HNS3_NIC_STATE_SERVICE_INITED,
HNS3_NIC_STATE_SERVICE_SCHED,
HNS3_NIC_STATE2_RESET_REQUESTED,
HNS3_NIC_STATE_HW_TX_CSUM_ENABLE,
HNS3_NIC_STATE_RXD_ADV_LAYOUT_ENABLE,
HNS3_NIC_STATE_MAX
};
#define HNS3_RING_RX_RING_BASEADDR_L_REG 0x00000
#define HNS3_RING_RX_RING_BASEADDR_H_REG 0x00004
#define HNS3_RING_RX_RING_BD_NUM_REG 0x00008
#define HNS3_RING_RX_RING_BD_LEN_REG 0x0000C
#define HNS3_RING_RX_RING_TAIL_REG 0x00018
#define HNS3_RING_RX_RING_HEAD_REG 0x0001C
#define HNS3_RING_RX_RING_FBDNUM_REG 0x00020
#define HNS3_RING_RX_RING_PKTNUM_RECORD_REG 0x0002C
#define HNS3_RING_TX_RING_BASEADDR_L_REG 0x00040
#define HNS3_RING_TX_RING_BASEADDR_H_REG 0x00044
#define HNS3_RING_TX_RING_BD_NUM_REG 0x00048
#define HNS3_RING_TX_RING_TC_REG 0x00050
#define HNS3_RING_TX_RING_TAIL_REG 0x00058
#define HNS3_RING_TX_RING_HEAD_REG 0x0005C
#define HNS3_RING_TX_RING_FBDNUM_REG 0x00060
#define HNS3_RING_TX_RING_OFFSET_REG 0x00064
#define HNS3_RING_TX_RING_EBDNUM_REG 0x00068
#define HNS3_RING_TX_RING_PKTNUM_RECORD_REG 0x0006C
#define HNS3_RING_TX_RING_EBD_OFFSET_REG 0x00070
#define HNS3_RING_TX_RING_BD_ERR_REG 0x00074
#define HNS3_RING_EN_REG 0x00090
#define HNS3_RING_RX_EN_REG 0x00098
#define HNS3_RING_TX_EN_REG 0x000D4
#define HNS3_RX_HEAD_SIZE 256
#define HNS3_TX_TIMEOUT (5 * HZ)
#define HNS3_RING_NAME_LEN 16
#define HNS3_BUFFER_SIZE_2048 2048
#define HNS3_RING_MAX_PENDING 32760
#define HNS3_RING_MIN_PENDING 72
#define HNS3_RING_BD_MULTIPLE 8
/* max frame size of mac */
#define HNS3_MAX_MTU(max_frm_size) \
((max_frm_size) - (ETH_HLEN + ETH_FCS_LEN + 2 * VLAN_HLEN))
#define HNS3_BD_SIZE_512_TYPE 0
#define HNS3_BD_SIZE_1024_TYPE 1
#define HNS3_BD_SIZE_2048_TYPE 2
#define HNS3_BD_SIZE_4096_TYPE 3
#define HNS3_RX_FLAG_VLAN_PRESENT 0x1
#define HNS3_RX_FLAG_L3ID_IPV4 0x0
#define HNS3_RX_FLAG_L3ID_IPV6 0x1
#define HNS3_RX_FLAG_L4ID_UDP 0x0
#define HNS3_RX_FLAG_L4ID_TCP 0x1
#define HNS3_RXD_DMAC_S 0
#define HNS3_RXD_DMAC_M (0x3 << HNS3_RXD_DMAC_S)
#define HNS3_RXD_VLAN_S 2
#define HNS3_RXD_VLAN_M (0x3 << HNS3_RXD_VLAN_S)
#define HNS3_RXD_L3ID_S 4
#define HNS3_RXD_L3ID_M (0xf << HNS3_RXD_L3ID_S)
#define HNS3_RXD_L4ID_S 8
#define HNS3_RXD_L4ID_M (0xf << HNS3_RXD_L4ID_S)
#define HNS3_RXD_FRAG_B 12
#define HNS3_RXD_STRP_TAGP_S 13
#define HNS3_RXD_STRP_TAGP_M (0x3 << HNS3_RXD_STRP_TAGP_S)
#define HNS3_RXD_L2E_B 16
#define HNS3_RXD_L3E_B 17
#define HNS3_RXD_L4E_B 18
#define HNS3_RXD_TRUNCAT_B 19
#define HNS3_RXD_HOI_B 20
#define HNS3_RXD_DOI_B 21
#define HNS3_RXD_OL3E_B 22
#define HNS3_RXD_OL4E_B 23
#define HNS3_RXD_GRO_COUNT_S 24
#define HNS3_RXD_GRO_COUNT_M (0x3f << HNS3_RXD_GRO_COUNT_S)
#define HNS3_RXD_GRO_FIXID_B 30
#define HNS3_RXD_GRO_ECN_B 31
#define HNS3_RXD_ODMAC_S 0
#define HNS3_RXD_ODMAC_M (0x3 << HNS3_RXD_ODMAC_S)
#define HNS3_RXD_OVLAN_S 2
#define HNS3_RXD_OVLAN_M (0x3 << HNS3_RXD_OVLAN_S)
#define HNS3_RXD_OL3ID_S 4
#define HNS3_RXD_OL3ID_M (0xf << HNS3_RXD_OL3ID_S)
#define HNS3_RXD_OL4ID_S 8
#define HNS3_RXD_OL4ID_M (0xf << HNS3_RXD_OL4ID_S)
#define HNS3_RXD_FBHI_S 12
#define HNS3_RXD_FBHI_M (0x3 << HNS3_RXD_FBHI_S)
#define HNS3_RXD_FBLI_S 14
#define HNS3_RXD_FBLI_M (0x3 << HNS3_RXD_FBLI_S)
#define HNS3_RXD_PTYPE_S 4
#define HNS3_RXD_PTYPE_M GENMASK(11, 4)
#define HNS3_RXD_BDTYPE_S 0
#define HNS3_RXD_BDTYPE_M (0xf << HNS3_RXD_BDTYPE_S)
#define HNS3_RXD_VLD_B 4
#define HNS3_RXD_UDP0_B 5
#define HNS3_RXD_EXTEND_B 7
#define HNS3_RXD_FE_B 8
#define HNS3_RXD_LUM_B 9
#define HNS3_RXD_CRCP_B 10
#define HNS3_RXD_L3L4P_B 11
#define HNS3_RXD_TSIDX_S 12
#define HNS3_RXD_TSIDX_M (0x3 << HNS3_RXD_TSIDX_S)
#define HNS3_RXD_TS_VLD_B 14
#define HNS3_RXD_LKBK_B 15
#define HNS3_RXD_GRO_SIZE_S 16
#define HNS3_RXD_GRO_SIZE_M (0x3fff << HNS3_RXD_GRO_SIZE_S)
#define HNS3_TXD_L3T_S 0
#define HNS3_TXD_L3T_M (0x3 << HNS3_TXD_L3T_S)
#define HNS3_TXD_L4T_S 2
#define HNS3_TXD_L4T_M (0x3 << HNS3_TXD_L4T_S)
#define HNS3_TXD_L3CS_B 4
#define HNS3_TXD_L4CS_B 5
#define HNS3_TXD_VLAN_B 6
#define HNS3_TXD_TSO_B 7
#define HNS3_TXD_L2LEN_S 8
#define HNS3_TXD_L2LEN_M (0xff << HNS3_TXD_L2LEN_S)
#define HNS3_TXD_L3LEN_S 16
#define HNS3_TXD_L3LEN_M (0xff << HNS3_TXD_L3LEN_S)
#define HNS3_TXD_L4LEN_S 24
#define HNS3_TXD_L4LEN_M (0xff << HNS3_TXD_L4LEN_S)
#define HNS3_TXD_CSUM_START_S 8
#define HNS3_TXD_CSUM_START_M (0xffff << HNS3_TXD_CSUM_START_S)
#define HNS3_TXD_OL3T_S 0
#define HNS3_TXD_OL3T_M (0x3 << HNS3_TXD_OL3T_S)
#define HNS3_TXD_OVLAN_B 2
#define HNS3_TXD_MACSEC_B 3
#define HNS3_TXD_TUNTYPE_S 4
#define HNS3_TXD_TUNTYPE_M (0xf << HNS3_TXD_TUNTYPE_S)
#define HNS3_TXD_CSUM_OFFSET_S 8
#define HNS3_TXD_CSUM_OFFSET_M (0xffff << HNS3_TXD_CSUM_OFFSET_S)
#define HNS3_TXD_BDTYPE_S 0
#define HNS3_TXD_BDTYPE_M (0xf << HNS3_TXD_BDTYPE_S)
#define HNS3_TXD_FE_B 4
#define HNS3_TXD_SC_S 5
#define HNS3_TXD_SC_M (0x3 << HNS3_TXD_SC_S)
#define HNS3_TXD_EXTEND_B 7
#define HNS3_TXD_VLD_B 8
#define HNS3_TXD_RI_B 9
#define HNS3_TXD_RA_B 10
#define HNS3_TXD_TSYN_B 11
#define HNS3_TXD_DECTTL_S 12
#define HNS3_TXD_DECTTL_M (0xf << HNS3_TXD_DECTTL_S)
#define HNS3_TXD_OL4CS_B 22
#define HNS3_TXD_MSS_S 0
#define HNS3_TXD_MSS_M (0x3fff << HNS3_TXD_MSS_S)
#define HNS3_TXD_HW_CS_B 14
#define HNS3_VECTOR_TX_IRQ BIT_ULL(0)
#define HNS3_VECTOR_RX_IRQ BIT_ULL(1)
#define HNS3_VECTOR_NOT_INITED 0
#define HNS3_VECTOR_INITED 1
#define HNS3_MAX_BD_SIZE 65535
#define HNS3_MAX_TSO_BD_NUM 63U
#define HNS3_MAX_TSO_SIZE 1048576U
#define HNS3_MAX_NON_TSO_SIZE 9728U
#define HNS3_VECTOR_GL_MASK GENMASK(11, 0)
#define HNS3_VECTOR_GL0_OFFSET 0x100
#define HNS3_VECTOR_GL1_OFFSET 0x200
#define HNS3_VECTOR_GL2_OFFSET 0x300
#define HNS3_VECTOR_RL_OFFSET 0x900
#define HNS3_VECTOR_RL_EN_B 6
#define HNS3_VECTOR_QL_MASK GENMASK(9, 0)
#define HNS3_VECTOR_TX_QL_OFFSET 0xe00
#define HNS3_VECTOR_RX_QL_OFFSET 0xf00
#define HNS3_RING_EN_B 0
#define HNS3_GL0_CQ_MODE_REG 0x20d00
#define HNS3_GL1_CQ_MODE_REG 0x20d04
#define HNS3_GL2_CQ_MODE_REG 0x20d08
#define HNS3_CQ_MODE_EQE 1U
#define HNS3_CQ_MODE_CQE 0U
enum hns3_pkt_l2t_type {
HNS3_L2_TYPE_UNICAST,
HNS3_L2_TYPE_MULTICAST,
HNS3_L2_TYPE_BROADCAST,
HNS3_L2_TYPE_INVALID,
};
enum hns3_pkt_l3t_type {
HNS3_L3T_NONE,
HNS3_L3T_IPV6,
HNS3_L3T_IPV4,
HNS3_L3T_RESERVED
};
enum hns3_pkt_l4t_type {
HNS3_L4T_UNKNOWN,
HNS3_L4T_TCP,
HNS3_L4T_UDP,
HNS3_L4T_SCTP
};
enum hns3_pkt_ol3t_type {
HNS3_OL3T_NONE,
HNS3_OL3T_IPV6,
HNS3_OL3T_IPV4_NO_CSUM,
HNS3_OL3T_IPV4_CSUM
};
enum hns3_pkt_tun_type {
HNS3_TUN_NONE,
HNS3_TUN_MAC_IN_UDP,
HNS3_TUN_NVGRE,
HNS3_TUN_OTHER
};
/* hardware spec ring buffer format */
struct __packed hns3_desc {
union {
__le64 addr;
__le16 csum;
struct {
__le32 ts_nsec;
__le32 ts_sec;
};
};
union {
struct {
__le16 vlan_tag;
__le16 send_size;
union {
__le32 type_cs_vlan_tso_len;
struct {
__u8 type_cs_vlan_tso;
__u8 l2_len;
__u8 l3_len;
__u8 l4_len;
};
};
__le16 outer_vlan_tag;
__le16 tv;
union {
__le32 ol_type_vlan_len_msec;
struct {
__u8 ol_type_vlan_msec;
__u8 ol2_len;
__u8 ol3_len;
__u8 ol4_len;
};
};
__le32 paylen_ol4cs;
__le16 bdtp_fe_sc_vld_ra_ri;
__le16 mss_hw_csum;
} tx;
struct {
__le32 l234_info;
__le16 pkt_len;
__le16 size;
__le32 rss_hash;
__le16 fd_id;
__le16 vlan_tag;
union {
__le32 ol_info;
struct {
__le16 o_dm_vlan_id_fb;
__le16 ot_vlan_tag;
};
};
__le32 bd_base_info;
} rx;
};
};
enum hns3_desc_type {
DESC_TYPE_UNKNOWN = 0,
DESC_TYPE_SKB = 1 << 0,
DESC_TYPE_FRAGLIST_SKB = 1 << 1,
DESC_TYPE_PAGE = 1 << 2,
DESC_TYPE_BOUNCE_ALL = 1 << 3,
DESC_TYPE_BOUNCE_HEAD = 1 << 4,
DESC_TYPE_SGL_SKB = 1 << 5,
DESC_TYPE_PP_FRAG = 1 << 6,
};
struct hns3_desc_cb {
dma_addr_t dma; /* dma address of this desc */
void *buf; /* cpu addr for a desc */
/* priv data for the desc, e.g. skb when use with ip stack */
void *priv;
union {
u32 page_offset; /* for rx */
u32 send_bytes; /* for tx */
};
u32 length; /* length of the buffer */
u16 reuse_flag;
u16 refill;
/* desc type, used by the ring user to mark the type of the priv data */
u16 type;
u16 pagecnt_bias;
};
enum hns3_pkt_l3type {
HNS3_L3_TYPE_IPV4,
HNS3_L3_TYPE_IPV6,
HNS3_L3_TYPE_ARP,
HNS3_L3_TYPE_RARP,
HNS3_L3_TYPE_IPV4_OPT,
HNS3_L3_TYPE_IPV6_EXT,
HNS3_L3_TYPE_LLDP,
HNS3_L3_TYPE_BPDU,
HNS3_L3_TYPE_MAC_PAUSE,
HNS3_L3_TYPE_PFC_PAUSE, /* 0x9 */
/* reserved for 0xA~0xB */
HNS3_L3_TYPE_CNM = 0xc,
/* reserved for 0xD~0xE */
HNS3_L3_TYPE_PARSE_FAIL = 0xf /* must be last */
};
enum hns3_pkt_l4type {
HNS3_L4_TYPE_UDP,
HNS3_L4_TYPE_TCP,
HNS3_L4_TYPE_GRE,
HNS3_L4_TYPE_SCTP,
HNS3_L4_TYPE_IGMP,
HNS3_L4_TYPE_ICMP,
/* reserved for 0x6~0xE */
HNS3_L4_TYPE_PARSE_FAIL = 0xf /* must be last */
};
enum hns3_pkt_ol3type {
HNS3_OL3_TYPE_IPV4 = 0,
HNS3_OL3_TYPE_IPV6,
/* reserved for 0x2~0x3 */
HNS3_OL3_TYPE_IPV4_OPT = 4,
HNS3_OL3_TYPE_IPV6_EXT,
/* reserved for 0x6~0xE */
HNS3_OL3_TYPE_PARSE_FAIL = 0xf /* must be last */
};
enum hns3_pkt_ol4type {
HNS3_OL4_TYPE_NO_TUN,
HNS3_OL4_TYPE_MAC_IN_UDP,
HNS3_OL4_TYPE_NVGRE,
HNS3_OL4_TYPE_UNKNOWN
};
struct hns3_rx_ptype {
u32 ptype : 8;
u32 csum_level : 2;
u32 ip_summed : 2;
u32 l3_type : 4;
u32 valid : 1;
};
struct ring_stats {
u64 sw_err_cnt;
u64 seg_pkt_cnt;
union {
struct {
u64 tx_pkts;
u64 tx_bytes;
u64 tx_more;
u64 restart_queue;
u64 tx_busy;
u64 tx_copy;
u64 tx_vlan_err;
u64 tx_l4_proto_err;
u64 tx_l2l3l4_err;
u64 tx_tso_err;
u64 over_max_recursion;
u64 hw_limitation;
u64 tx_bounce;
u64 tx_spare_full;
u64 copy_bits_err;
u64 tx_sgl;
u64 skb2sgl_err;
u64 map_sg_err;
};
struct {
u64 rx_pkts;
u64 rx_bytes;
u64 rx_err_cnt;
u64 reuse_pg_cnt;
u64 err_pkt_len;
u64 err_bd_num;
u64 l2_err;
u64 l3l4_csum_err;
u64 csum_complete;
u64 rx_multicast;
u64 non_reuse_pg;
u64 frag_alloc_err;
u64 frag_alloc;
};
__le16 csum;
};
};
struct hns3_tx_spare {
dma_addr_t dma;
void *buf;
u32 next_to_use;
u32 next_to_clean;
u32 last_to_clean;
u32 len;
};
struct hns3_enet_ring {
struct hns3_desc *desc; /* dma map address space */
struct hns3_desc_cb *desc_cb;
struct hns3_enet_ring *next;
struct hns3_enet_tqp_vector *tqp_vector;
struct hnae3_queue *tqp;
int queue_index;
struct device *dev; /* will be used for DMA mapping of descriptors */
struct page_pool *page_pool;
/* statistic */
struct ring_stats stats;
struct u64_stats_sync syncp;
dma_addr_t desc_dma_addr;
u32 buf_size; /* size for hnae_desc->addr, preset by AE */
u16 desc_num; /* total number of desc */
int next_to_use; /* idx of next spare desc */
/* idx of lastest sent desc, the ring is empty when equal to
* next_to_use
*/
int next_to_clean;
u32 flag; /* ring attribute */
int pending_buf;
union {
/* for Tx ring */
struct {
u32 fd_qb_tx_sample;
int last_to_use; /* last idx used by xmit */
u32 tx_copybreak;
struct hns3_tx_spare *tx_spare;
};
/* for Rx ring */
struct {
u32 pull_len; /* memcpy len for current rx packet */
u32 rx_copybreak;
u32 frag_num;
/* first buffer address for current packet */
unsigned char *va;
struct sk_buff *skb;
struct sk_buff *tail_skb;
};
};
} ____cacheline_internodealigned_in_smp;
enum hns3_flow_level_range {
HNS3_FLOW_LOW = 0,
HNS3_FLOW_MID = 1,
HNS3_FLOW_HIGH = 2,
HNS3_FLOW_ULTRA = 3,
};
#define HNS3_INT_GL_50K 0x0014
#define HNS3_INT_GL_20K 0x0032
#define HNS3_INT_GL_18K 0x0036
#define HNS3_INT_GL_8K 0x007C
#define HNS3_INT_GL_1US BIT(31)
#define HNS3_INT_RL_MAX 0x00EC
#define HNS3_INT_RL_ENABLE_MASK 0x40
#define HNS3_INT_QL_DEFAULT_CFG 0x20
struct hns3_enet_coalesce {
u16 int_gl;
u16 int_ql;
u16 int_ql_max;
u8 adapt_enable : 1;
u8 ql_enable : 1;
u8 unit_1us : 1;
enum hns3_flow_level_range flow_level;
};
struct hns3_enet_ring_group {
/* array of pointers to rings */
struct hns3_enet_ring *ring;
u64 total_bytes; /* total bytes processed this group */
u64 total_packets; /* total packets processed this group */
u16 count;
struct hns3_enet_coalesce coal;
struct dim dim;
};
struct hns3_enet_tqp_vector {
struct hnae3_handle *handle;
u8 __iomem *mask_addr;
int vector_irq;
int irq_init_flag;
u16 idx; /* index in the TQP vector array per handle. */
struct napi_struct napi;
struct hns3_enet_ring_group rx_group;
struct hns3_enet_ring_group tx_group;
cpumask_t affinity_mask;
u16 num_tqps; /* total number of tqps in TQP vector */
struct irq_affinity_notify affinity_notify;
char name[HNAE3_INT_NAME_LEN];
u64 event_cnt;
} ____cacheline_internodealigned_in_smp;
struct hns3_nic_priv {
struct hnae3_handle *ae_handle;
struct net_device *netdev;
struct device *dev;
/**
* the cb for nic to manage the ring buffer, the first half of the
* array is for tx_ring and vice versa for the second half
*/
struct hns3_enet_ring *ring;
struct hns3_enet_tqp_vector *tqp_vector;
u16 vector_num;
u8 max_non_tso_bd_num;
u64 tx_timeout_count;
unsigned long state;
enum dim_cq_period_mode tx_cqe_mode;
enum dim_cq_period_mode rx_cqe_mode;
struct hns3_enet_coalesce tx_coal;
struct hns3_enet_coalesce rx_coal;
u32 tx_copybreak;
u32 rx_copybreak;
};
union l3_hdr_info {
struct iphdr *v4;
struct ipv6hdr *v6;
unsigned char *hdr;
};
union l4_hdr_info {
struct tcphdr *tcp;
struct udphdr *udp;
struct gre_base_hdr *gre;
unsigned char *hdr;
};
struct hns3_hw_error_info {
enum hnae3_hw_error_type type;
const char *msg;
};
struct hns3_reset_type_map {
enum ethtool_reset_flags rst_flags;
enum hnae3_reset_type rst_type;
};
static inline int ring_space(struct hns3_enet_ring *ring)
{
/* This smp_load_acquire() pairs with smp_store_release() in
* hns3_nic_reclaim_one_desc called by hns3_clean_tx_ring.
*/
int begin = smp_load_acquire(&ring->next_to_clean);
int end = READ_ONCE(ring->next_to_use);
return ((end >= begin) ? (ring->desc_num - end + begin) :
(begin - end)) - 1;
}
static inline u32 hns3_read_reg(void __iomem *base, u32 reg)
{
return readl(base + reg);
}
static inline void hns3_write_reg(void __iomem *base, u32 reg, u32 value)
{
u8 __iomem *reg_addr = READ_ONCE(base);
writel(value, reg_addr + reg);
}
#define hns3_read_dev(a, reg) \
hns3_read_reg((a)->io_base, reg)
static inline bool hns3_nic_resetting(struct net_device *netdev)
{
struct hns3_nic_priv *priv = netdev_priv(netdev);
return test_bit(HNS3_NIC_STATE_RESETTING, &priv->state);
}
#define hns3_write_dev(a, reg, value) \
hns3_write_reg((a)->io_base, reg, value)
#define ring_to_dev(ring) ((ring)->dev)
#define ring_to_netdev(ring) ((ring)->tqp_vector->napi.dev)
#define ring_to_dma_dir(ring) (HNAE3_IS_TX_RING(ring) ? \
DMA_TO_DEVICE : DMA_FROM_DEVICE)
#define hns3_buf_size(_ring) ((_ring)->buf_size)
static inline unsigned int hns3_page_order(struct hns3_enet_ring *ring)
{
#if (PAGE_SIZE < 8192)
if (ring->buf_size > (PAGE_SIZE / 2))
return 1;
#endif
return 0;
}
#define hns3_page_size(_ring) (PAGE_SIZE << hns3_page_order(_ring))
/* iterator for handling rings in ring group */
#define hns3_for_each_ring(pos, head) \
for (pos = (head).ring; (pos); pos = (pos)->next)
#define hns3_get_handle(ndev) \
(((struct hns3_nic_priv *)netdev_priv(ndev))->ae_handle)
#define hns3_gl_usec_to_reg(int_gl) ((int_gl) >> 1)
#define hns3_gl_round_down(int_gl) round_down(int_gl, 2)
#define hns3_rl_usec_to_reg(int_rl) ((int_rl) >> 2)
#define hns3_rl_round_down(int_rl) round_down(int_rl, 4)
void hns3_ethtool_set_ops(struct net_device *netdev);
int hns3_set_channels(struct net_device *netdev,
struct ethtool_channels *ch);
void hns3_clean_tx_ring(struct hns3_enet_ring *ring, int budget);
int hns3_init_all_ring(struct hns3_nic_priv *priv);
int hns3_nic_reset_all_ring(struct hnae3_handle *h);
void hns3_fini_ring(struct hns3_enet_ring *ring);
netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev);
bool hns3_is_phys_func(struct pci_dev *pdev);
int hns3_clean_rx_ring(
struct hns3_enet_ring *ring, int budget,
void (*rx_fn)(struct hns3_enet_ring *, struct sk_buff *));
void hns3_set_vector_coalesce_rx_gl(struct hns3_enet_tqp_vector *tqp_vector,
u32 gl_value);
void hns3_set_vector_coalesce_tx_gl(struct hns3_enet_tqp_vector *tqp_vector,
u32 gl_value);
void hns3_set_vector_coalesce_rl(struct hns3_enet_tqp_vector *tqp_vector,
u32 rl_value);
void hns3_set_vector_coalesce_rx_ql(struct hns3_enet_tqp_vector *tqp_vector,
u32 ql_value);
void hns3_set_vector_coalesce_tx_ql(struct hns3_enet_tqp_vector *tqp_vector,
u32 ql_value);
void hns3_request_update_promisc_mode(struct hnae3_handle *handle);
#ifdef CONFIG_HNS3_DCB
void hns3_dcbnl_setup(struct hnae3_handle *handle);
#else
static inline void hns3_dcbnl_setup(struct hnae3_handle *handle) {}
#endif
int hns3_dbg_init(struct hnae3_handle *handle);
void hns3_dbg_uninit(struct hnae3_handle *handle);
void hns3_dbg_register_debugfs(const char *debugfs_dir_name);
void hns3_dbg_unregister_debugfs(void);
void hns3_shinfo_pack(struct skb_shared_info *shinfo, __u32 *size);
u16 hns3_get_max_available_channels(struct hnae3_handle *h);
void hns3_cq_period_mode_init(struct hns3_nic_priv *priv,
enum dim_cq_period_mode tx_mode,
enum dim_cq_period_mode rx_mode);
#endif