libosmo-netif/include/osmocom/netif/ipa.h

57 lines
1.6 KiB
C

#ifndef _OSMO_NETIF_IPA_H_
#define _OSMO_NETIF_IPA_H_
#include <osmocom/gsm/protocol/ipaccess.h>
#include <osmocom/gsm/ipa.h>
/* This is like 'struct ipaccess_head' in libosmocore, but 'ipa_head' is
* actually the more apropriate name, so rather than making more code
* use the wrong name, let's keep the duplicate header definitions below */
struct ipa_head {
uint16_t len; /* network byte order */
uint8_t proto;
uint8_t data[0];
} __attribute__ ((packed));
struct ipa_head_ext {
uint8_t proto;
uint8_t data[0];
} __attribute__ ((packed));
struct osmo_ipa_msgb_cb {
uint8_t proto;
uint8_t proto_ext;
} __attribute__ ((packed));
#define OSMO_IPA_MSGB_CB(__msg) ((struct osmo_ipa_msgb_cb *)&((__msg)->cb[0]))
#define osmo_ipa_msgb_cb_proto(__x) OSMO_IPA_MSGB_CB(__x)->proto
#define osmo_ipa_msgb_cb_proto_ext(__x) OSMO_IPA_MSGB_CB(__x)->proto_ext
struct msgb *osmo_ipa_msg_alloc(int headroom);
struct msgb *osmo_ipa_ext_msg_alloc(size_t headroom);
void osmo_ipa_msg_push_header(struct msgb *msg, uint8_t proto);
int osmo_ipa_process_msg(struct msgb *msg);
struct osmo_fd;
struct tlv_parsed;
int osmo_ipa_rcvmsg_base(struct msgb *msg, struct osmo_fd *bfd, int server);
int osmo_ipa_parse_unitid(const char *str, struct ipaccess_unit *unit_data);
int ipaccess_send_pong(int fd);
int ipaccess_send_id_ack(int fd);
int ipaccess_send_id_req(int fd);
struct osmo_ipa_unit;
struct msgb *ipa_cli_id_resp(struct osmo_ipa_unit *dev, uint8_t *data, int len);
struct msgb *ipa_cli_id_ack(void);
int osmo_ipa_parse_msg_id_resp(struct msgb *msg, struct ipaccess_unit *unit_data);
int osmo_ipa_segmentation_cb(struct msgb *msg);
#endif