diff options
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hibmcge/hbg_common.h')
-rw-r--r-- | drivers/net/ethernet/hisilicon/hibmcge/hbg_common.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hibmcge/hbg_common.h b/drivers/net/ethernet/hisilicon/hibmcge/hbg_common.h new file mode 100644 index 000000000000..b4300d8ea4ad --- /dev/null +++ b/drivers/net/ethernet/hisilicon/hibmcge/hbg_common.h @@ -0,0 +1,160 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* Copyright (c) 2024 Hisilicon Limited. */ + +#ifndef __HBG_COMMON_H +#define __HBG_COMMON_H + +#include <linux/ethtool.h> +#include <linux/netdevice.h> +#include <linux/pci.h> +#include "hbg_reg.h" + +#define HBG_STATUS_DISABLE 0x0 +#define HBG_STATUS_ENABLE 0x1 +#define HBG_RX_SKIP1 0x00 +#define HBG_RX_SKIP2 0x01 +#define HBG_VECTOR_NUM 4 +#define HBG_PCU_CACHE_LINE_SIZE 32 +#define HBG_TX_TIMEOUT_BUF_LEN 1024 +#define HBG_RX_DESCR 0x01 + +#define HBG_PACKET_HEAD_SIZE ((HBG_RX_SKIP1 + HBG_RX_SKIP2 + \ + HBG_RX_DESCR) * HBG_PCU_CACHE_LINE_SIZE) + +enum hbg_dir { + HBG_DIR_TX = 1 << 0, + HBG_DIR_RX = 1 << 1, + HBG_DIR_TX_RX = HBG_DIR_TX | HBG_DIR_RX, +}; + +enum hbg_tx_state { + HBG_TX_STATE_COMPLETE = 0, /* clear state, must fix to 0 */ + HBG_TX_STATE_START, +}; + +enum hbg_nic_state { + HBG_NIC_STATE_EVENT_HANDLING = 0, + HBG_NIC_STATE_RESETTING, + HBG_NIC_STATE_RESET_FAIL, +}; + +enum hbg_reset_type { + HBG_RESET_TYPE_NONE = 0, + HBG_RESET_TYPE_FLR, + HBG_RESET_TYPE_FUNCTION, +}; + +struct hbg_buffer { + u32 state; + dma_addr_t state_dma; + + struct sk_buff *skb; + dma_addr_t skb_dma; + u32 skb_len; + + enum hbg_dir dir; + struct hbg_ring *ring; + struct hbg_priv *priv; +}; + +struct hbg_ring { + struct hbg_buffer *queue; + dma_addr_t queue_dma; + + union { + u32 head; + u32 ntc; + }; + union { + u32 tail; + u32 ntu; + }; + u32 len; + + enum hbg_dir dir; + struct hbg_priv *priv; + struct napi_struct napi; + char *tout_log_buf; /* tx timeout log buffer */ +}; + +enum hbg_hw_event_type { + HBG_HW_EVENT_NONE = 0, + HBG_HW_EVENT_INIT, /* driver is loading */ + HBG_HW_EVENT_RESET, +}; + +struct hbg_dev_specs { + u32 mac_id; + struct sockaddr mac_addr; + u32 phy_addr; + u32 mdio_frequency; + u32 rx_fifo_num; + u32 tx_fifo_num; + u32 vlan_layers; + u32 max_mtu; + u32 min_mtu; + u32 uc_mac_num; + + u32 max_frame_len; + u32 rx_buf_size; +}; + +struct hbg_irq_info { + const char *name; + u32 mask; + bool re_enable; + bool need_print; + u64 count; + + void (*irq_handle)(struct hbg_priv *priv, struct hbg_irq_info *info); +}; + +struct hbg_vector { + char name[HBG_VECTOR_NUM][32]; + struct hbg_irq_info *info_array; + u32 info_array_len; +}; + +struct hbg_mac { + struct mii_bus *mdio_bus; + struct phy_device *phydev; + u8 phy_addr; + + u32 speed; + u32 duplex; + u32 autoneg; + u32 link_status; + u32 pause_autoneg; +}; + +struct hbg_mac_table_entry { + u8 addr[ETH_ALEN]; +}; + +struct hbg_mac_filter { + struct hbg_mac_table_entry *mac_table; + u32 table_max_len; + bool enabled; +}; + +/* saved for restore after rest */ +struct hbg_user_def { + struct ethtool_pauseparam pause_param; +}; + +struct hbg_priv { + struct net_device *netdev; + struct pci_dev *pdev; + u8 __iomem *io_base; + struct hbg_dev_specs dev_specs; + unsigned long state; + struct hbg_mac mac; + struct hbg_vector vectors; + struct hbg_ring tx_ring; + struct hbg_ring rx_ring; + struct hbg_mac_filter filter; + enum hbg_reset_type reset_type; + struct hbg_user_def user_def; +}; + +#endif |