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#ifndef _GPRS_NS_H
#define _GPRS_NS_H
struct gprs_ns_hdr {
u_int8_t pdu_type;
u_int8_t data[0];
} __attribute__((packed));
/* TS 08.16, Section 10.3.7, Table 14 */
enum ns_pdu_type {
NS_PDUT_UNITDATA = 0x00,
NS_PDUT_RESET = 0x02,
NS_PDUT_RESET_ACK = 0x03,
NS_PDUT_BLOCK = 0x04,
NS_PDUT_BLOCK_ACK = 0x05,
NS_PDUT_UNBLOCK = 0x06,
NS_PDUT_UNBLOCK_ACK = 0x07,
NS_PDUT_STATUS = 0x08,
NS_PDUT_ALIVE = 0x0a,
NS_PDUT_ALIVE_ACK = 0x0b,
};
/* TS 08.16, Section 10.3, Table 12 */
enum ns_ctrl_ie {
NS_IE_CAUSE = 0x00,
NS_IE_VCI = 0x01,
NS_IE_PDU = 0x02,
NS_IE_BVCI = 0x03,
NS_IE_NSEI = 0x04,
};
/* TS 08.16, Section 10.3.2, Table 13 */
enum ns_cause {
NS_CAUSE_TRANSIT_FAIL = 0x00,
NS_CAUSE_OM_INTERVENTION = 0x01,
NS_CAUSE_EQUIP_FAIL = 0x02,
NS_CAUSE_NSVC_BLOCKED = 0x03,
NS_CAUSE_NSVC_UNKNOWN = 0x04,
NS_CAUSE_BVCI_UNKNOWN = 0x05,
NS_CAUSE_SEM_INCORR_PDU = 0x08,
NS_CAUSE_PDU_INCOMP_PSTATE = 0x0a,
NS_CAUSE_PROTO_ERR_UNSPEC = 0x0b,
NS_CAUSE_INVAL_ESSENT_IE = 0x0c,
NS_CAUSE_MISSING_ESSENT_IE = 0x0d,
};
/* a layer 1 entity transporting NS frames */
struct gprs_ns_link {
union {
struct {
int fd;
} ip;
};
};
int gprs_ns_rcvmsg(struct msgb *msg, struct sockaddr_in *saddr);
int gprs_ns_sendmsg(struct gprs_ns_link *link, u_int16_t bvci,
struct msgb *msg);
#endif
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