drivers/net/ethernet/cisco/enic/vnic_enet.h

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/cisco/enic/vnic_enet.h

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/cisco/enic/vnic_enet.h
Extension
.h
Size
1770 bytes
Lines
53
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 vnic_enet_config {
	u32 flags;
	u32 wq_desc_count;
	u32 rq_desc_count;
	u16 mtu;
	u16 intr_timer_deprecated;
	u8 intr_timer_type;
	u8 intr_mode;
	char devname[16];
	u32 intr_timer_usec;
	u16 loop_tag;
	u16 vf_rq_count;
	u16 num_arfs;
	u8 reserved[66];
	u32 max_rq_ring;	// MAX RQ ring size
	u32 max_wq_ring;	// MAX WQ ring size
	u32 max_cq_ring;	// MAX CQ ring size
	u32 rdma_rsvd_lkey;	// Reserved (privileged) LKey
};

#define VENETF_TSO		0x1	/* TSO enabled */
#define VENETF_LRO		0x2	/* LRO enabled */
#define VENETF_RXCSUM		0x4	/* RX csum enabled */
#define VENETF_TXCSUM		0x8	/* TX csum enabled */
#define VENETF_RSS		0x10	/* RSS enabled */
#define VENETF_RSSHASH_IPV4	0x20	/* Hash on IPv4 fields */
#define VENETF_RSSHASH_TCPIPV4	0x40	/* Hash on TCP + IPv4 fields */
#define VENETF_RSSHASH_IPV6	0x80	/* Hash on IPv6 fields */
#define VENETF_RSSHASH_TCPIPV6	0x100	/* Hash on TCP + IPv6 fields */
#define VENETF_RSSHASH_IPV6_EX	0x200	/* Hash on IPv6 extended fields */
#define VENETF_RSSHASH_TCPIPV6_EX 0x400	/* Hash on TCP + IPv6 ext. fields */
#define VENETF_LOOP		0x800	/* Loopback enabled */
#define VENETF_VXLAN		0x10000	/* VxLAN offload */

#define VENET_INTR_TYPE_MIN	0	/* Timer specs min interrupt spacing */
#define VENET_INTR_TYPE_IDLE	1	/* Timer specs idle time before irq */

#define VENET_INTR_MODE_ANY	0	/* Try MSI-X, then MSI, then INTx */
#define VENET_INTR_MODE_MSI	1	/* Try MSI then INTx */
#define VENET_INTR_MODE_INTX	2	/* Try INTx only */

#endif /* _VNIC_ENIC_H_ */

Annotation

Implementation Notes