69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
#ifndef _GPRS_LLC_H
|
|
#define _GPRS_LLC_H
|
|
|
|
#include <stdint.h>
|
|
|
|
/* Section 4.7 LLC Layer Structure */
|
|
enum gprs_llc_sapi {
|
|
GPRS_SAPI_GMM = 1,
|
|
GPRS_SAPI_TOM2 = 2,
|
|
GPRS_SAPI_SNDCP3 = 3,
|
|
GPRS_SAPI_SNDCP5 = 5,
|
|
GPRS_SAPI_SMS = 7,
|
|
GPRS_SAPI_TOM8 = 8,
|
|
GPRS_SAPI_SNDCP9 = 9,
|
|
GPRS_SAPI_SNDCP11 = 11,
|
|
};
|
|
|
|
/* Section 6.4 Commands and Responses */
|
|
enum gprs_llc_u_cmd {
|
|
GPRS_LLC_U_DM_RESP = 0x01,
|
|
GPRS_LLC_U_DISC_CMD = 0x04,
|
|
GPRS_LLC_U_UA_RESP = 0x06,
|
|
GPRS_LLC_U_SABM_CMD = 0x07,
|
|
GPRS_LLC_U_FRMR_RESP = 0x08,
|
|
GPRS_LLC_U_XID = 0x0b,
|
|
GPRS_LLC_U_NULL_CMD = 0x00,
|
|
};
|
|
|
|
/* TS 04.64 Section 7.1.2 Table 7: LLC layer primitives (GMM/SNDCP/SMS/TOM) */
|
|
/* TS 04.65 Section 5.1.2 Table 2: Service primitives used by SNDCP */
|
|
enum gprs_llc_primitive {
|
|
/* GMM <-> LLME */
|
|
LLGMM_ASSIGN_REQ, /* GMM tells us new TLLI: TLLI old, TLLI new, Kc, CiphAlg */
|
|
LLGMM_RESET_REQ, /* GMM tells us to perform XID negotiation: TLLI */
|
|
LLGMM_RESET_CNF, /* LLC informs GMM that XID has completed: TLLI */
|
|
LLGMM_SUSPEND_REQ, /* GMM tells us MS has suspended: TLLI, Page */
|
|
LLGMM_RESUME_REQ, /* GMM tells us MS has resumed: TLLI */
|
|
LLGMM_PAGE_IND, /* LLC asks GMM to page MS: TLLI */
|
|
LLGMM_IOV_REQ, /* GMM tells us to perform XID: TLLI */
|
|
LLGMM_STATUS_IND, /* LLC informs GMM about error: TLLI, Cause */
|
|
/* LLE <-> (GMM/SNDCP/SMS/TOM) */
|
|
LL_RESET_IND, /* TLLI */
|
|
LL_ESTABLISH_REQ, /* TLLI, XID Req */
|
|
LL_ESTABLISH_IND, /* TLLI, XID Req, N201-I, N201-U */
|
|
LL_ESTABLISH_RESP, /* TLLI, XID Negotiated */
|
|
LL_ESTABLISH_CONF, /* TLLI, XID Neg, N201-i, N201-U */
|
|
LL_RELEASE_REQ, /* TLLI, Local */
|
|
LL_RELEASE_IND, /* TLLI, Cause */
|
|
LL_RELEASE_CONF, /* TLLI */
|
|
LL_XID_REQ, /* TLLI, XID Requested */
|
|
LL_XID_IND, /* TLLI, XID Req, N201-I, N201-U */
|
|
LL_XID_RESP, /* TLLI, XID Negotiated */
|
|
LL_XID_CONF, /* TLLI, XID Neg, N201-I, N201-U */
|
|
LL_DATA_REQ, /* TLLI, SN-PDU, Ref, QoS, Radio Prio, Ciph */
|
|
LL_DATA_IND, /* TLLI, SN-PDU */
|
|
LL_DATA_CONF, /* TLLI, Ref */
|
|
LL_UNITDATA_REQ, /* TLLI, SN-PDU, Ref, QoS, Radio Prio, Ciph */
|
|
LL_UNITDATA_IND, /* TLLI, SN-PDU */
|
|
LL_STATUS_IND, /* TLLI, Cause */
|
|
};
|
|
|
|
/* BSSGP-UL-UNITDATA.ind */
|
|
int gprs_llc_rcvmsg(struct msgb *msg, struct tlv_parsed *tv);
|
|
|
|
/* LL-UNITDATA.req */
|
|
int gprs_llc_tx_ui(struct msgb *msg, uint8_t sapi, int command);
|
|
|
|
#endif
|