include/net/mrp.h

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

File Facts

System
Linux kernel
Corpus path
include/net/mrp.h
Extension
.h
Size
3200 bytes
Lines
149
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 mrp_pdu_hdr {
	u8	version;
};

struct mrp_msg_hdr {
	u8	attrtype;
	u8	attrlen;
};

struct mrp_vecattr_hdr {
	__be16	lenflags;
	unsigned char	firstattrvalue[];
#define MRP_VECATTR_HDR_LEN_MASK cpu_to_be16(0x1FFF)
#define MRP_VECATTR_HDR_FLAG_LA cpu_to_be16(0x2000)
};

enum mrp_vecattr_event {
	MRP_VECATTR_EVENT_NEW,
	MRP_VECATTR_EVENT_JOIN_IN,
	MRP_VECATTR_EVENT_IN,
	MRP_VECATTR_EVENT_JOIN_MT,
	MRP_VECATTR_EVENT_MT,
	MRP_VECATTR_EVENT_LV,
	__MRP_VECATTR_EVENT_MAX
};

struct mrp_skb_cb {
	struct mrp_msg_hdr	*mh;
	struct mrp_vecattr_hdr	*vah;
	unsigned char		attrvalue[];
};

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

enum mrp_applicant_state {
	MRP_APPLICANT_INVALID,
	MRP_APPLICANT_VO,
	MRP_APPLICANT_VP,
	MRP_APPLICANT_VN,
	MRP_APPLICANT_AN,
	MRP_APPLICANT_AA,
	MRP_APPLICANT_QA,
	MRP_APPLICANT_LA,
	MRP_APPLICANT_AO,
	MRP_APPLICANT_QO,
	MRP_APPLICANT_AP,
	MRP_APPLICANT_QP,
	__MRP_APPLICANT_MAX
};
#define MRP_APPLICANT_MAX	(__MRP_APPLICANT_MAX - 1)

enum mrp_event {
	MRP_EVENT_NEW,
	MRP_EVENT_JOIN,
	MRP_EVENT_LV,
	MRP_EVENT_TX,
	MRP_EVENT_R_NEW,
	MRP_EVENT_R_JOIN_IN,
	MRP_EVENT_R_IN,
	MRP_EVENT_R_JOIN_MT,
	MRP_EVENT_R_MT,
	MRP_EVENT_R_LV,
	MRP_EVENT_R_LA,
	MRP_EVENT_REDECLARE,
	MRP_EVENT_PERIODIC,
	__MRP_EVENT_MAX
};
#define MRP_EVENT_MAX		(__MRP_EVENT_MAX - 1)

enum mrp_tx_action {
	MRP_TX_ACTION_NONE,
	MRP_TX_ACTION_S_NEW,
	MRP_TX_ACTION_S_JOIN_IN,
	MRP_TX_ACTION_S_JOIN_IN_OPTIONAL,
	MRP_TX_ACTION_S_IN_OPTIONAL,
	MRP_TX_ACTION_S_LV,
};

struct mrp_attr {
	struct rb_node			node;
	enum mrp_applicant_state	state;
	u8				type;
	u8				len;
	unsigned char			value[];
};

Annotation

Implementation Notes