diff options
| author | Harald Welte <laforge@gnumonks.org> | 2010-05-13 19:22:55 +0200 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2010-05-13 21:29:11 +0200 |
| commit | 1ae09c7bd6c47d768e641d598f966e6b8c77c2bc (patch) | |
| tree | dff9104078156557157efb0cfae87be299f455e9 /openbsc/include/openbsc/gprs_llc.h | |
| parent | e15ad48a828a46400dd62b5dafe247059f03b4a7 (diff) | |
[GPRS] LLC: Improve implementation compliance to spec
Don't allocate a LLC Entity just because BSSGP passes any random
SAPI/TLLI up to us. We can only do this for XID and UI frames
of the GMM SAPI.
Furthermore, add more comments and debug messages.
Diffstat (limited to 'openbsc/include/openbsc/gprs_llc.h')
| -rw-r--r-- | openbsc/include/openbsc/gprs_llc.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/openbsc/include/openbsc/gprs_llc.h b/openbsc/include/openbsc/gprs_llc.h index 5a6682d80..608fb0578 100644 --- a/openbsc/include/openbsc/gprs_llc.h +++ b/openbsc/include/openbsc/gprs_llc.h @@ -26,7 +26,43 @@ enum gprs_llc_u_cmd { 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 |