diff options
Diffstat (limited to 'openbsc/include')
| -rw-r--r-- | openbsc/include/openbsc/gprs_ns.h | 62 |
1 files changed, 53 insertions, 9 deletions
diff --git a/openbsc/include/openbsc/gprs_ns.h b/openbsc/include/openbsc/gprs_ns.h index 9ea4d675..98b31f8d 100644 --- a/openbsc/include/openbsc/gprs_ns.h +++ b/openbsc/include/openbsc/gprs_ns.h @@ -1,6 +1,10 @@ #ifndef _GPRS_NS_H #define _GPRS_NS_H +/* GPRS Networks Service (NS) messages on the Gb interface + * 3GPP TS 08.16 version 8.0.1 Release 1999 / ETSI TS 101 299 V8.0.1 (2002-05) + * 3GPP TS 48.016 version 6.5.0 Release 6 / ETSI TS 148 016 V6.5.0 (2005-11) */ + struct gprs_ns_hdr { u_int8_t pdu_type; u_int8_t data[0]; @@ -18,6 +22,15 @@ enum ns_pdu_type { NS_PDUT_STATUS = 0x08, NS_PDUT_ALIVE = 0x0a, NS_PDUT_ALIVE_ACK = 0x0b, + /* TS 48.016 Section 10.3.7, Table 10.3.7.1 */ + SNS_PDUT_ACK = 0x0c, + SNS_PDUT_ADD = 0x0d, + SNS_PDUT_CHANGE_WEIGHT = 0x0e, + SNS_PDUT_CONFIG = 0x0f, + SNS_PDUT_CONFIG_ACK = 0x10, + SNS_PDUT_DELETE = 0x11, + SNS_PDUT_SIZE = 0x12, + SNS_PDUT_SIZE_ACK = 0x13, }; /* TS 08.16, Section 10.3, Table 12 */ @@ -27,6 +40,14 @@ enum ns_ctrl_ie { NS_IE_PDU = 0x02, NS_IE_BVCI = 0x03, NS_IE_NSEI = 0x04, + /* TS 48.016 Section 10.3, Table 10.3.1 */ + NS_IE_IPv4_LIST = 0x05, + NS_IE_IPv6_LIST = 0x06, + NS_IE_MAX_NR_NSVC = 0x07, + NS_IE_IPv4_EP_NR = 0x08, + NS_IE_IPv6_EP_NR = 0x09, + NS_IE_RESET_FLAG = 0x0a, + NS_IE_IP_ADDR = 0x0b, }; /* TS 08.16, Section 10.3.2, Table 13 */ @@ -42,20 +63,43 @@ enum ns_cause { NS_CAUSE_PROTO_ERR_UNSPEC = 0x0b, NS_CAUSE_INVAL_ESSENT_IE = 0x0c, NS_CAUSE_MISSING_ESSENT_IE = 0x0d, + /* TS 48.016 Section 10.3.2, Table 10.3.2.1 */ + NS_CAUSE_INVAL_NR_IPv4_EP = 0x0e, + NS_CAUSE_INVAL_NR_IPv6_EP = 0x0f, + NS_CAUSE_INVAL_NR_NS_VC = 0x10, + NS_CAUSE_INVAL_WEIGH = 0x11, + NS_CAUSE_UNKN_IP_EP = 0x12, + NS_CAUSE_UNKN_IP_ADDR = 0x13, + NS_CAUSE_UNKN_IP_TEST_FAILED = 0x14, }; -/* a layer 1 entity transporting NS frames */ -struct gprs_ns_link { - union { - struct { - int fd; - } ip; - }; +struct gprs_nsvc; +struct gprs_ns_inst; + +enum gprs_ns_evt { + GPRS_NS_EVT_UNIT_DATA, }; +typedef int gprs_ns_cb_t(enum gprs_ns_evt event, struct gprs_nsvc *nsvc, + struct msgb *msg, u_int16_t bvci); + +/* Create a new NS protocol instance */ +struct gprs_ns_inst *gprs_ns_instantiate(gprs_ns_cb_t *cb); + +/* Destroy a NS protocol instance */ +void gprs_ns_destroy(struct gprs_ns_inst *nsi); -int gprs_ns_rcvmsg(struct msgb *msg, struct sockaddr_in *saddr); +/* Listen for incoming GPRS packets */ +int nsip_listen(struct gprs_ns_inst *nsi, uint16_t udp_port); -int gprs_ns_sendmsg(struct gprs_ns_link *link, u_int16_t bvci, +struct sockaddr_in; + +/* main entry point, here incoming NS frames enter */ +int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg, + struct sockaddr_in *saddr); + +/* main function for higher layers (BSSGP) to send NS messages */ +int gprs_ns_sendmsg(struct gprs_nsvc *nsvc, u_int16_t bvci, struct msgb *msg); + #endif |