drivers/net/ethernet/intel/i40e/i40e.h

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/intel/i40e/i40e.h

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/intel/i40e/i40e.h
Extension
.h
Size
45238 bytes
Lines
1438
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct i40e_lump_tracking {
	u16 num_entries;
	u16 list[];
#define I40E_PILE_VALID_BIT  0x8000
#define I40E_IWARP_IRQ_PILE_ID  (I40E_PILE_VALID_BIT - 2)
};

#define I40E_DEFAULT_ATR_SAMPLE_RATE	20
#define I40E_FDIR_MAX_RAW_PACKET_SIZE	512
#define I40E_FDIR_BUFFER_FULL_MARGIN	10
#define I40E_FDIR_BUFFER_HEAD_ROOM	32
#define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4)

#define I40E_HKEY_ARRAY_SIZE	((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4)
#define I40E_HLUT_ARRAY_SIZE	((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
#define I40E_VF_HLUT_ARRAY_SIZE	((I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4)

enum i40e_fd_stat_idx {
	I40E_FD_STAT_ATR,
	I40E_FD_STAT_SB,
	I40E_FD_STAT_ATR_TUNNEL,
	I40E_FD_STAT_PF_COUNT
};
#define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)
#define I40E_FD_ATR_STAT_IDX(pf_id) \
			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)
#define I40E_FD_SB_STAT_IDX(pf_id)  \
			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)
#define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \
			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL)

/* The following structure contains the data parsed from the user-defined
 * field of the ethtool_rx_flow_spec structure.
 */
struct i40e_rx_flow_userdef {
	bool flex_filter;
	u16 flex_word;
	u16 flex_offset;
};

struct i40e_fdir_filter {
	struct hlist_node fdir_node;
	/* filter ipnut set */
	u8 flow_type;
	u8 ipl4_proto;
	/* TX packet view of src and dst */
	__be32 dst_ip;
	__be32 src_ip;
	__be32 dst_ip6[4];
	__be32 src_ip6[4];
	__be16 src_port;
	__be16 dst_port;
	__be32 sctp_v_tag;

	__be16 vlan_etype;
	__be16 vlan_tag;
	/* Flexible data to match within the packet payload */
	__be16 flex_word;
	u16 flex_offset;
	bool flex_filter;

	/* filter control */
	u16 q_index;
	u8  flex_off;
	u8  pctype;
	u16 dest_vsi;
	u8  dest_ctl;
	u8  fd_status;
	u16 cnt_index;
	u32 fd_id;
};

#define I40E_CLOUD_FIELD_OMAC		BIT(0)
#define I40E_CLOUD_FIELD_IMAC		BIT(1)
#define I40E_CLOUD_FIELD_IVLAN		BIT(2)
#define I40E_CLOUD_FIELD_TEN_ID		BIT(3)
#define I40E_CLOUD_FIELD_IIP		BIT(4)

#define I40E_CLOUD_FILTER_FLAGS_OMAC	I40E_CLOUD_FIELD_OMAC
#define I40E_CLOUD_FILTER_FLAGS_IMAC	I40E_CLOUD_FIELD_IMAC
#define I40E_CLOUD_FILTER_FLAGS_IMAC_IVLAN	(I40E_CLOUD_FIELD_IMAC | \
						 I40E_CLOUD_FIELD_IVLAN)
#define I40E_CLOUD_FILTER_FLAGS_IMAC_TEN_ID	(I40E_CLOUD_FIELD_IMAC | \
						 I40E_CLOUD_FIELD_TEN_ID)
#define I40E_CLOUD_FILTER_FLAGS_OMAC_TEN_ID_IMAC (I40E_CLOUD_FIELD_OMAC | \
						  I40E_CLOUD_FIELD_IMAC | \
						  I40E_CLOUD_FIELD_TEN_ID)
#define I40E_CLOUD_FILTER_FLAGS_IMAC_IVLAN_TEN_ID (I40E_CLOUD_FIELD_IMAC | \
						   I40E_CLOUD_FIELD_IVLAN | \
						   I40E_CLOUD_FIELD_TEN_ID)

Annotation

Implementation Notes