gsm_08_16.h

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#pragma once
 
#include <stdint.h>
#include <arpa/inet.h>
#include <osmocom/core/utils.h>
 
struct gprs_ns_hdr {
        uint8_t pdu_type;       
        uint8_t data[0];        
} __attribute__((packed));
 
 
struct gprs_ns_ie_ip4_elem {
        uint32_t ip_addr;
        uint16_t udp_port;
        uint8_t sig_weight;
        uint8_t data_weight;
} __attribute__ ((packed));
 
struct gprs_ns_ie_ip6_elem {
        struct in6_addr ip_addr;
        uint16_t udp_port;
        uint8_t sig_weight;
        uint8_t data_weight;
} __attribute__ ((packed));
 
extern const struct value_string gprs_ns_pdu_strings[];
 
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 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,
};
 
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 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,
        NS_IE_TRANS_ID          = 0xff, /* osmocom. Spec has this IE but without IEI! */
};
 
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,
        /* 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,
};