drivers/net/ethernet/sfc/tc_conntrack.h

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/sfc/tc_conntrack.h

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/sfc/tc_conntrack.h
Extension
.h
Size
1726 bytes
Lines
56
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 efx_tc_ct_zone {
	u16 zone;
	struct rhash_head linkage;
	refcount_t ref;
	struct nf_flowtable *nf_ft;
	struct efx_nic *efx;
	struct mutex mutex; /* protects cts list */
	struct list_head cts; /* list of efx_tc_ct_entry in this zone */
};

/* create/uncreate/teardown hashtables */
int efx_tc_init_conntrack(struct efx_nic *efx);
void efx_tc_destroy_conntrack(struct efx_nic *efx);
void efx_tc_fini_conntrack(struct efx_nic *efx);

struct efx_tc_ct_zone *efx_tc_ct_register_zone(struct efx_nic *efx, u16 zone,
					       struct nf_flowtable *ct_ft);
void efx_tc_ct_unregister_zone(struct efx_nic *efx,
			       struct efx_tc_ct_zone *ct_zone);

struct efx_tc_ct_entry {
	unsigned long cookie;
	struct rhash_head linkage;
	__be16 eth_proto;
	u8 ip_proto;
	bool dnat;
	__be32 src_ip, dst_ip, nat_ip;
	struct in6_addr src_ip6, dst_ip6;
	__be16 l4_sport, l4_dport, l4_natport; /* Ports (UDP, TCP) */
	struct efx_tc_ct_zone *zone;
	u32 mark;
	struct efx_tc_counter *cnt;
	struct list_head list; /* entry on zone->cts */
};

#endif /* CONFIG_SFC_SRIOV */
#endif /* EFX_TC_CONNTRACK_H */

Annotation

Implementation Notes