Osmocom message buffer. More...

#include <msgb.h>

Data Fields
struct llist_head	list
	linked list header More...

union {
void * dst
	reference of origin/destination More...

struct gsm_bts_trx * trx

};

struct gsm_lchan *	lchan
	logical channel More...

unsigned char *	l1h
	pointer to Layer1 header (if any) More...

unsigned char *	l2h
	pointer to A-bis layer 2 header: OML, RSL(RLL), NS More...

unsigned char *	l3h
	pointer to Layer 3 header. More...

unsigned char *	l4h
	pointer to layer 4 header More...

unsigned long	cb [5]
	control buffer More...

uint16_t	data_len
	length of underlying data array More...

uint16_t	len
	length of bytes used in msgb More...

unsigned char *	head
	start of underlying memory buffer More...

unsigned char *	tail
	end of message in buffer More...

unsigned char *	data
	start of message in buffer More...

unsigned char	_data [0]
	optional immediate data array More...

Detailed Description

Osmocom message buffer.

Field Documentation

◆

union { ... } msgb::@17

◆ _data

unsigned char msgb::_data[0]

optional immediate data array

Referenced by msgb_copy_resize_c(), msgb_push(), and msgb_put().

◆ cb

unsigned long msgb::cb[5]

control buffer

◆ data

unsigned char* msgb::data

start of message in buffer

Referenced by msgb_copy_resize_c(), msgb_headroom(), msgb_pull(), msgb_push(), and osmo_sercomm_drv_pull().

◆ data_len

uint16_t msgb::data_len

length of underlying data array

Referenced by msgb_headlen(), msgb_push(), msgb_put(), and msgb_tailroom().

◆ dst

void* msgb::dst

reference of origin/destination

◆ head

unsigned char* msgb::head

start of underlying memory buffer

Referenced by msgb_copy_resize_c(), msgb_headroom(), msgb_push(), msgb_put(), and msgb_tailroom().

◆ l1h

unsigned char* msgb::l1h

pointer to Layer1 header (if any)

Referenced by msgb_copy_resize_c(), and msgb_l1len().

◆ l2h

unsigned char* msgb::l2h

pointer to A-bis layer 2 header: OML, RSL(RLL), NS

Referenced by msgb_copy_resize_c(), and msgb_l2len().

◆ l3h

unsigned char* msgb::l3h

pointer to Layer 3 header.

For OML: FOM; RSL: 04.08; GPRS: BSSGP

Referenced by msgb_copy_resize_c(), and msgb_l3len().

◆ l4h

unsigned char* msgb::l4h

pointer to layer 4 header

Referenced by msgb_copy_resize_c(), and msgb_l4len().

◆ lchan

struct gsm_lchan* msgb::lchan

logical channel

◆ len

uint16_t msgb::len

length of bytes used in msgb

Referenced by msgb_copy_resize_c(), msgb_get(), msgb_headlen(), msgb_pull(), msgb_push(), msgb_push_tl(), and msgb_put().

◆ list

struct llist_head msgb::list

linked list header

◆ tail

unsigned char* msgb::tail

end of message in buffer

Referenced by iofd_poll_ofd_cb_recvmsg_sendmsg(), msgb_copy_resize_c(), msgb_get(), msgb_l1len(), msgb_l2len(), msgb_l3len(), msgb_l4len(), msgb_printf(), msgb_put(), msgb_tailroom(), and osmo_sercomm_drv_pull().

◆ trx

struct gsm_bts_trx* msgb::trx

The documentation for this struct was generated from the following file:

include/osmocom/core/msgb.h

Data Fields