net/netlabel/netlabel_domainhash.h

Source file repositories/reference/linux-study-clean/net/netlabel/netlabel_domainhash.h

File Facts

System
Linux kernel
Corpus path
net/netlabel/netlabel_domainhash.h
Extension
.h
Size
3125 bytes
Lines
107
Domain
Networking Core
Bucket
Sockets, Protocols, Packet Path, And Network Policy
Inferred role
Networking Core: implementation source
Status
source implementation candidate

Why This File Exists

Networking stack implementation surface: socket APIs, protocol dispatch, packet flow, routing, filtering, and network namespaces.

Dependency Surface

Detected Declarations

Annotated Snippet

struct netlbl_domaddr_map {
	struct list_head list4;
	struct list_head list6;
};
struct netlbl_dommap_def {
	u32 type;
	union {
		struct netlbl_domaddr_map *addrsel;
		struct cipso_v4_doi *cipso;
		struct calipso_doi *calipso;
	};
};
#define netlbl_domhsh_addr4_entry(iter) \
	container_of(iter, struct netlbl_domaddr4_map, list)
struct netlbl_domaddr4_map {
	struct netlbl_dommap_def def;

	struct netlbl_af4list list;
};
#define netlbl_domhsh_addr6_entry(iter) \
	container_of(iter, struct netlbl_domaddr6_map, list)
struct netlbl_domaddr6_map {
	struct netlbl_dommap_def def;

	struct netlbl_af6list list;
};

struct netlbl_dom_map {
	char *domain;
	struct netlbl_dommap_def def;
	u16 family;

	u32 valid;
	struct list_head list;
	struct rcu_head rcu;
};

/* init function */
int netlbl_domhsh_init(u32 size);

/* Manipulate the domain hash table */
int netlbl_domhsh_add(struct netlbl_dom_map *entry,
		      struct netlbl_audit *audit_info);
int netlbl_domhsh_add_default(struct netlbl_dom_map *entry,
			      struct netlbl_audit *audit_info);
int netlbl_domhsh_remove_entry(struct netlbl_dom_map *entry,
			       struct netlbl_audit *audit_info);
int netlbl_domhsh_remove_af4(const char *domain,
			     const struct in_addr *addr,
			     const struct in_addr *mask,
			     struct netlbl_audit *audit_info);
int netlbl_domhsh_remove_af6(const char *domain,
			     const struct in6_addr *addr,
			     const struct in6_addr *mask,
			     struct netlbl_audit *audit_info);
int netlbl_domhsh_remove(const char *domain, u16 family,
			 struct netlbl_audit *audit_info);
int netlbl_domhsh_remove_default(u16 family, struct netlbl_audit *audit_info);
struct netlbl_dom_map *netlbl_domhsh_getentry(const char *domain, u16 family);
struct netlbl_dommap_def *netlbl_domhsh_getentry_af4(const char *domain,
						     __be32 addr);
#if IS_ENABLED(CONFIG_IPV6)
struct netlbl_dommap_def *netlbl_domhsh_getentry_af6(const char *domain,
						   const struct in6_addr *addr);
int netlbl_domhsh_remove_af6(const char *domain,
			     const struct in6_addr *addr,
			     const struct in6_addr *mask,
			     struct netlbl_audit *audit_info);
#endif /* IPv6 */

int netlbl_domhsh_walk(u32 *skip_bkt,
		     u32 *skip_chain,
		     int (*callback) (struct netlbl_dom_map *entry, void *arg),
		     void *cb_arg);

#endif

Annotation

Implementation Notes