include/net/ioam6.h

Source file repositories/reference/linux-study-clean/include/net/ioam6.h

File Facts

System
Linux kernel
Corpus path
include/net/ioam6.h
Extension
.h
Size
1409 bytes
Lines
75
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 ioam6_namespace {
	struct rhash_head head;
	struct rcu_head rcu;

	struct ioam6_schema __rcu *schema;

	__be16 id;
	__be32 data;
	__be64 data_wide;
};

struct ioam6_schema {
	struct rhash_head head;
	struct rcu_head rcu;

	struct ioam6_namespace __rcu *ns;

	u32 id;
	int len;
	__be32 hdr;

	u8 data[];
};

struct ioam6_pernet_data {
	struct mutex lock;
	struct rhashtable namespaces;
	struct rhashtable schemas;
};

static inline struct ioam6_pernet_data *ioam6_pernet(struct net *net)
{
#if IS_ENABLED(CONFIG_IPV6)
	return net->ipv6.ioam6_data;
#else
	return NULL;
#endif
}

struct ioam6_namespace *ioam6_namespace(struct net *net, __be16 id);
void ioam6_fill_trace_data(struct sk_buff *skb,
			   struct ioam6_namespace *ns,
			   struct ioam6_trace_hdr *trace,
			   bool is_input);

u8 ioam6_trace_compute_nodelen(u32 trace_type);

int ioam6_init(void);
void ioam6_exit(void);

int ioam6_iptunnel_init(void);
void ioam6_iptunnel_exit(void);

void ioam6_event(enum ioam6_event_type type, struct net *net, gfp_t gfp,
		 void *opt, unsigned int opt_len);

#endif /* _NET_IOAM6_H */

Annotation

Implementation Notes