include/net/garp.h

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

File Facts

System
Linux kernel
Corpus path
include/net/garp.h
Extension
.h
Size
2731 bytes
Lines
133
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 garp_pdu_hdr {
	__be16	protocol;
};

struct garp_msg_hdr {
	u8	attrtype;
};

enum garp_attr_event {
	GARP_LEAVE_ALL,
	GARP_JOIN_EMPTY,
	GARP_JOIN_IN,
	GARP_LEAVE_EMPTY,
	GARP_LEAVE_IN,
	GARP_EMPTY,
};

struct garp_attr_hdr {
	u8	len;
	u8	event;
	u8	data[];
};

struct garp_skb_cb {
	u8	cur_type;
};

static inline struct garp_skb_cb *garp_cb(struct sk_buff *skb)
{
	BUILD_BUG_ON(sizeof(struct garp_skb_cb) >
		     sizeof_field(struct sk_buff, cb));
	return (struct garp_skb_cb *)skb->cb;
}

enum garp_applicant_state {
	GARP_APPLICANT_INVALID,
	GARP_APPLICANT_VA,
	GARP_APPLICANT_AA,
	GARP_APPLICANT_QA,
	GARP_APPLICANT_LA,
	GARP_APPLICANT_VP,
	GARP_APPLICANT_AP,
	GARP_APPLICANT_QP,
	GARP_APPLICANT_VO,
	GARP_APPLICANT_AO,
	GARP_APPLICANT_QO,
	__GARP_APPLICANT_MAX
};
#define GARP_APPLICANT_MAX	(__GARP_APPLICANT_MAX - 1)

enum garp_event {
	GARP_EVENT_REQ_JOIN,
	GARP_EVENT_REQ_LEAVE,
	GARP_EVENT_R_JOIN_IN,
	GARP_EVENT_R_JOIN_EMPTY,
	GARP_EVENT_R_EMPTY,
	GARP_EVENT_R_LEAVE_IN,
	GARP_EVENT_R_LEAVE_EMPTY,
	GARP_EVENT_TRANSMIT_PDU,
	__GARP_EVENT_MAX
};
#define GARP_EVENT_MAX		(__GARP_EVENT_MAX - 1)

enum garp_action {
	GARP_ACTION_NONE,
	GARP_ACTION_S_JOIN_IN,
	GARP_ACTION_S_LEAVE_EMPTY,
};

struct garp_attr {
	struct rb_node			node;
	enum garp_applicant_state	state;
	u8				type;
	u8				dlen;
	unsigned char			data[];
};

enum garp_applications {
	GARP_APPLICATION_GVRP,
	__GARP_APPLICATION_MAX
};
#define GARP_APPLICATION_MAX	(__GARP_APPLICATION_MAX - 1)

struct garp_application {
	enum garp_applications	type;
	unsigned int		maxattr;
	struct stp_proto	proto;
};

struct garp_applicant {

Annotation

Implementation Notes