From 641f7cee5dfe137ecb40c7a461b6235d205fc715 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Sun, 17 Jun 2012 23:05:26 +0800 Subject: libosmogb: move files to proper location and fix build --- openbsc/src/libgb/gprs_bssgp_bss.c | 425 ------------------------------------- 1 file changed, 425 deletions(-) delete mode 100644 openbsc/src/libgb/gprs_bssgp_bss.c (limited to 'openbsc/src/libgb/gprs_bssgp_bss.c') diff --git a/openbsc/src/libgb/gprs_bssgp_bss.c b/openbsc/src/libgb/gprs_bssgp_bss.c deleted file mode 100644 index c058850d..00000000 --- a/openbsc/src/libgb/gprs_bssgp_bss.c +++ /dev/null @@ -1,425 +0,0 @@ -/* GPRS BSSGP protocol implementation as per 3GPP TS 08.18 */ - -/* (C) 2009-2012 by Harald Welte - * - * All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see . - * - */ - -#include -#include - -#include - -#include -#include -#include -#include -#include -#include - -#include "common_vty.h" - -uint8_t *bssgp_msgb_tlli_put(struct msgb *msg, uint32_t tlli) -{ - uint32_t _tlli = htonl(tlli); - return msgb_tvlv_put(msg, BSSGP_IE_TLLI, 4, (uint8_t *) &_tlli); -} - -/*! \brief GMM-SUSPEND.req (Chapter 10.3.6) */ -int bssgp_tx_suspend(uint16_t nsei, uint32_t tlli, - const struct gprs_ra_id *ra_id) -{ - struct msgb *msg = bssgp_msgb_alloc(); - struct bssgp_normal_hdr *bgph = - (struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph)); - uint8_t ra[6]; - - LOGP(DBSSGP, LOGL_NOTICE, "BSSGP (BVCI=0) Tx SUSPEND (TLLI=0x%04x)\n", - tlli); - msgb_nsei(msg) = nsei; - msgb_bvci(msg) = 0; /* Signalling */ - bgph->pdu_type = BSSGP_PDUT_SUSPEND; - - bssgp_msgb_tlli_put(msg, tlli); - - gsm48_construct_ra(ra, ra_id); - msgb_tvlv_put(msg, BSSGP_IE_ROUTEING_AREA, 6, ra); - - return gprs_ns_sendmsg(bssgp_nsi, msg); -} - -/*! \brief GMM-RESUME.req (Chapter 10.3.9) */ -int bssgp_tx_resume(uint16_t nsei, uint32_t tlli, - const struct gprs_ra_id *ra_id, uint8_t suspend_ref) -{ - struct msgb *msg = bssgp_msgb_alloc(); - struct bssgp_normal_hdr *bgph = - (struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph)); - uint8_t ra[6]; - - LOGP(DBSSGP, LOGL_NOTICE, "BSSGP (BVCI=0) Tx RESUME (TLLI=0x%04x)\n", - tlli); - msgb_nsei(msg) = nsei; - msgb_bvci(msg) = 0; /* Signalling */ - bgph->pdu_type = BSSGP_PDUT_RESUME; - - bssgp_msgb_tlli_put(msg, tlli); - - gsm48_construct_ra(ra, ra_id); - msgb_tvlv_put(msg, BSSGP_IE_ROUTEING_AREA, 6, ra); - - msgb_tvlv_put(msg, BSSGP_IE_SUSPEND_REF_NR, 1, &suspend_ref); - - return gprs_ns_sendmsg(bssgp_nsi, msg); -} - -/*! \brief Transmit RA-CAPABILITY-UPDATE (10.3.3) */ -int bssgp_tx_ra_capa_upd(struct bssgp_bvc_ctx *bctx, uint32_t tlli, uint8_t tag) -{ - struct msgb *msg = bssgp_msgb_alloc(); - struct bssgp_normal_hdr *bgph = - (struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph)); - - LOGP(DBSSGP, LOGL_NOTICE, "BSSGP (BVCI=%u) Tx RA-CAPA-UPD (TLLI=0x%04x)\n", - bctx->bvci, tlli); - - /* set NSEI and BVCI in msgb cb */ - msgb_nsei(msg) = bctx->nsei; - msgb_bvci(msg) = bctx->bvci; - - bgph->pdu_type = BSSGP_PDUT_RA_CAPA_UDPATE; - bssgp_msgb_tlli_put(msg, tlli); - - msgb_tvlv_put(msg, BSSGP_IE_TAG, 1, &tag); - - return gprs_ns_sendmsg(bssgp_nsi, msg); -} - -/* first common part of RADIO-STATUS */ -static struct msgb *common_tx_radio_status(struct bssgp_bvc_ctx *bctx) -{ - struct msgb *msg = bssgp_msgb_alloc(); - struct bssgp_normal_hdr *bgph = - (struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph)); - - LOGP(DBSSGP, LOGL_NOTICE, "BSSGP (BVCI=%u) Tx RADIO-STATUS ", - bctx->bvci); - - /* set NSEI and BVCI in msgb cb */ - msgb_nsei(msg) = bctx->nsei; - msgb_bvci(msg) = bctx->bvci; - - bgph->pdu_type = BSSGP_PDUT_RADIO_STATUS; - - return msg; -} - -/* second common part of RADIO-STATUS */ -static int common_tx_radio_status2(struct msgb *msg, uint8_t cause) -{ - msgb_tvlv_put(msg, BSSGP_IE_CAUSE, 1, &cause); - LOGPC(DBSSGP, LOGL_NOTICE, "CAUSE=%u\n", cause); - - return gprs_ns_sendmsg(bssgp_nsi, msg); -} - -/*! \brief Transmit RADIO-STATUS for TLLI (10.3.5) */ -int bssgp_tx_radio_status_tlli(struct bssgp_bvc_ctx *bctx, uint8_t cause, - uint32_t tlli) -{ - struct msgb *msg = common_tx_radio_status(bctx); - - if (!msg) - return -ENOMEM; - bssgp_msgb_tlli_put(msg, tlli); - LOGPC(DBSSGP, LOGL_NOTICE, "TLLI=0x%08x ", tlli); - - return common_tx_radio_status2(msg, cause); -} - -/*! \brief Transmit RADIO-STATUS for TMSI (10.3.5) */ -int bssgp_tx_radio_status_tmsi(struct bssgp_bvc_ctx *bctx, uint8_t cause, - uint32_t tmsi) -{ - struct msgb *msg = common_tx_radio_status(bctx); - uint32_t _tmsi = htonl(tmsi); - - if (!msg) - return -ENOMEM; - msgb_tvlv_put(msg, BSSGP_IE_TMSI, 4, (uint8_t *)&_tmsi); - LOGPC(DBSSGP, LOGL_NOTICE, "TMSI=0x%08x ", tmsi); - - return common_tx_radio_status2(msg, cause); -} - -/*! \brief Transmit RADIO-STATUS for IMSI (10.3.5) */ -int bssgp_tx_radio_status_imsi(struct bssgp_bvc_ctx *bctx, uint8_t cause, - const char *imsi) -{ - struct msgb *msg = common_tx_radio_status(bctx); - uint8_t mi[10]; - int imsi_len = gsm48_generate_mid_from_imsi(mi, imsi); - - if (!msg) - return -ENOMEM; - - /* strip the MI type and length values (2 bytes) */ - if (imsi_len > 2) - msgb_tvlv_put(msg, BSSGP_IE_IMSI, imsi_len-2, mi+2); - LOGPC(DBSSGP, LOGL_NOTICE, "IMSI=%s ", imsi); - - return common_tx_radio_status2(msg, cause); -} - -/*! \brief Transmit FLUSH-LL-ACK (Chapter 10.4.2) */ -int bssgp_tx_flush_ll_ack(struct bssgp_bvc_ctx *bctx, uint32_t tlli, - uint8_t action, uint16_t bvci_new, - uint32_t num_octets) -{ - struct msgb *msg = bssgp_msgb_alloc(); - struct bssgp_normal_hdr *bgph = - (struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph)); - uint16_t _bvci_new = htons(bvci_new); - uint32_t _oct_aff = htonl(num_octets & 0xFFFFFF); - - msgb_nsei(msg) = bctx->nsei; - msgb_bvci(msg) = 0; /* Signalling */ - bgph->pdu_type = BSSGP_PDUT_FLUSH_LL_ACK; - - bssgp_msgb_tlli_put(msg, tlli); - msgb_tvlv_put(msg, BSSGP_IE_FLUSH_ACTION, 1, &action); - if (action == 1) /* transferred */ - msgb_tvlv_put(msg, BSSGP_IE_BVCI, 2, (uint8_t *) &_bvci_new); - msgb_tvlv_put(msg, BSSGP_IE_NUM_OCT_AFF, 3, (uint8_t *) &_oct_aff); - - return gprs_ns_sendmsg(bssgp_nsi, msg); -} - -/*! \brief Transmit LLC-DISCARDED (Chapter 10.4.3) */ -int bssgp_tx_llc_discarded(struct bssgp_bvc_ctx *bctx, uint32_t tlli, - uint8_t num_frames, uint32_t num_octets) -{ - struct msgb *msg = bssgp_msgb_alloc(); - struct bssgp_normal_hdr *bgph = - (struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph)); - uint16_t _bvci = htons(bctx->bvci); - uint32_t _oct_aff = htonl(num_octets & 0xFFFFFF); - - LOGP(DBSSGP, LOGL_NOTICE, "BSSGP (BVCI=%u) Tx LLC-DISCARDED " - "TLLI=0x%04x, FRAMES=%u, OCTETS=%u\n", bctx->bvci, tlli, - num_frames, num_octets); - msgb_nsei(msg) = bctx->nsei; - msgb_bvci(msg) = 0; /* Signalling */ - bgph->pdu_type = BSSGP_PDUT_LLC_DISCARD; - - bssgp_msgb_tlli_put(msg, tlli); - - msgb_tvlv_put(msg, BSSGP_IE_LLC_FRAMES_DISCARDED, 1, &num_frames); - msgb_tvlv_put(msg, BSSGP_IE_BVCI, 2, (uint8_t *) &_bvci); - msgb_tvlv_put(msg, BSSGP_IE_NUM_OCT_AFF, 3, (uint8_t *) &_oct_aff); - - return gprs_ns_sendmsg(bssgp_nsi, msg); -} - -/*! \brief Transmit a BVC-BLOCK message (Chapter 10.4.8) */ -int bssgp_tx_bvc_block(struct bssgp_bvc_ctx *bctx, uint8_t cause) -{ - struct msgb *msg = bssgp_msgb_alloc(); - struct bssgp_normal_hdr *bgph = - (struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph)); - uint16_t _bvci = htons(bctx->bvci); - - LOGP(DBSSGP, LOGL_NOTICE, "BSSGP (BVCI=%u) Tx BVC-BLOCK " - "CAUSE=%u\n", bctx->bvci, cause); - - msgb_nsei(msg) = bctx->nsei; - msgb_bvci(msg) = 0; /* Signalling */ - bgph->pdu_type = BSSGP_PDUT_BVC_BLOCK; - - msgb_tvlv_put(msg, BSSGP_IE_BVCI, 2, (uint8_t *) &_bvci); - msgb_tvlv_put(msg, BSSGP_IE_CAUSE, 1, &cause); - - return gprs_ns_sendmsg(bssgp_nsi, msg); -} - -/*! \brief Transmit a BVC-UNBLOCK message (Chapter 10.4.10) */ -int bssgp_tx_bvc_unblock(struct bssgp_bvc_ctx *bctx) -{ - struct msgb *msg = bssgp_msgb_alloc(); - struct bssgp_normal_hdr *bgph = - (struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph)); - uint16_t _bvci = htons(bctx->bvci); - - LOGP(DBSSGP, LOGL_NOTICE, "BSSGP (BVCI=%u) Tx BVC-BLOCK\n", bctx->bvci); - - msgb_nsei(msg) = bctx->nsei; - msgb_bvci(msg) = 0; /* Signalling */ - bgph->pdu_type = BSSGP_PDUT_BVC_UNBLOCK; - - msgb_tvlv_put(msg, BSSGP_IE_BVCI, 2, (uint8_t *) &_bvci); - - return gprs_ns_sendmsg(bssgp_nsi, msg); -} - -/*! \brief Transmit a BVC-RESET message (Chapter 10.4.12) */ -int bssgp_tx_bvc_reset(struct bssgp_bvc_ctx *bctx, uint16_t bvci, uint8_t cause) -{ - struct msgb *msg = bssgp_msgb_alloc(); - struct bssgp_normal_hdr *bgph = - (struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph)); - uint16_t _bvci = htons(bvci); - - LOGP(DBSSGP, LOGL_NOTICE, "BSSGP (BVCI=%u) Tx BVC-RESET " - "CAUSE=%u\n", bvci, cause); - - msgb_nsei(msg) = bctx->nsei; - msgb_bvci(msg) = 0; /* Signalling */ - bgph->pdu_type = BSSGP_PDUT_BVC_RESET; - - msgb_tvlv_put(msg, BSSGP_IE_BVCI, 2, (uint8_t *) &_bvci); - msgb_tvlv_put(msg, BSSGP_IE_CAUSE, 1, &cause); - if (bvci != BVCI_PTM) { - uint8_t bssgp_cid[8]; - bssgp_create_cell_id(bssgp_cid, &bctx->ra_id, bctx->cell_id); - msgb_tvlv_put(msg, BSSGP_IE_CELL_ID, sizeof(bssgp_cid), bssgp_cid); - } - /* Optional: Feature Bitmap */ - - return gprs_ns_sendmsg(bssgp_nsi, msg); -} - - -/*! \brief RL-UL-UNITDATA.req (Chapter 10.2.2) */ -int bssgp_tx_ul_ud(struct bssgp_bvc_ctx *bctx, uint32_t tlli, - const uint8_t *qos_profile, struct msgb *llc_pdu) -{ - struct msgb *msg = llc_pdu; - uint8_t bssgp_cid[8]; - struct bssgp_ud_hdr *budh; - - /* FIXME: First push alignment octets, if rqd */ - - /* FIXME: Optional LSA Identifier List, PFI */ - - /* Cell Identifier */ - bssgp_create_cell_id(bssgp_cid, &bctx->ra_id, bctx->cell_id); - msgb_tvlv_push(msg, BSSGP_IE_CELL_ID, sizeof(bssgp_cid), bssgp_cid); - - /* User Data Header */ - budh = (struct bssgp_ud_hdr *) msgb_push(msg, sizeof(*budh)); - budh->tlli = htonl(tlli); - memcpy(budh->qos_profile, qos_profile, 3); - budh->pdu_type = BSSGP_PDUT_UL_UNITDATA; - - /* set NSEI and BVCI in msgb cb */ - msgb_nsei(msg) = bctx->nsei; - msgb_bvci(msg) = bctx->bvci; - - rate_ctr_inc(&bctx->ctrg->ctr[BSSGP_CTR_PKTS_OUT]); - rate_ctr_add(&bctx->ctrg->ctr[BSSGP_CTR_BYTES_OUT], msg->len); - - return gprs_ns_sendmsg(bssgp_nsi, msg); -} - -/* Parse a single GMM-PAGING.req to a given NSEI/NS-BVCI */ -int bssgp_rx_paging(struct bssgp_paging_info *pinfo, - struct msgb *msg) -{ - struct bssgp_normal_hdr *bgph = - (struct bssgp_normal_hdr *) msgb_bssgph(msg); - struct tlv_parsed tp; - uint8_t ra[6]; - int rc, data_len; - - memset(ra, 0, sizeof(ra)); - - data_len = msgb_bssgp_len(msg) - sizeof(*bgph); - rc = bssgp_tlv_parse(&tp, bgph->data, data_len); - if (rc < 0) - goto err_mand_ie; - - switch (bgph->pdu_type) { - case BSSGP_PDUT_PAGING_PS: - pinfo->mode = BSSGP_PAGING_PS; - break; - case BSSGP_PDUT_PAGING_CS: - pinfo->mode = BSSGP_PAGING_CS; - break; - default: - return -EINVAL; - } - - /* IMSI */ - if (!TLVP_PRESENT(&tp, BSSGP_IE_IMSI)) - goto err_mand_ie; - if (!pinfo->imsi) - pinfo->imsi = talloc_zero_size(pinfo, 16); - gsm48_mi_to_string(pinfo->imsi, sizeof(pinfo->imsi), - TLVP_VAL(&tp, BSSGP_IE_IMSI), - TLVP_LEN(&tp, BSSGP_IE_IMSI)); - - /* DRX Parameters */ - if (!TLVP_PRESENT(&tp, BSSGP_IE_DRX_PARAMS)) - goto err_mand_ie; - pinfo->drx_params = ntohs(*(uint16_t *)TLVP_VAL(&tp, BSSGP_IE_DRX_PARAMS)); - - /* Scope */ - if (TLVP_PRESENT(&tp, BSSGP_IE_BSS_AREA_ID)) { - pinfo->scope = BSSGP_PAGING_BSS_AREA; - } else if (TLVP_PRESENT(&tp, BSSGP_IE_LOCATION_AREA)) { - pinfo->scope = BSSGP_PAGING_LOCATION_AREA; - memcpy(ra, TLVP_VAL(&tp, BSSGP_IE_LOCATION_AREA), - TLVP_LEN(&tp, BSSGP_IE_LOCATION_AREA)); - gsm48_parse_ra(&pinfo->raid, ra); - } else if (TLVP_PRESENT(&tp, BSSGP_IE_ROUTEING_AREA)) { - pinfo->scope = BSSGP_PAGING_ROUTEING_AREA; - memcpy(ra, TLVP_VAL(&tp, BSSGP_IE_ROUTEING_AREA), - TLVP_LEN(&tp, BSSGP_IE_ROUTEING_AREA)); - gsm48_parse_ra(&pinfo->raid, ra); - } else if (TLVP_PRESENT(&tp, BSSGP_IE_BVCI)) { - pinfo->scope = BSSGP_PAGING_BVCI; - pinfo->bvci = ntohs(*(uint16_t *)TLVP_VAL(&tp, BSSGP_IE_BVCI)); - } else - return -EINVAL; - - /* QoS profile mandatory for PS */ - if (pinfo->mode == BSSGP_PAGING_PS) { - if (!TLVP_PRESENT(&tp, BSSGP_IE_QOS_PROFILE)) - goto err_cond_ie; - if (TLVP_LEN(&tp, BSSGP_IE_QOS_PROFILE) < 3) - goto err; - - memcpy(&pinfo->qos, TLVP_VAL(&tp, BSSGP_IE_QOS_PROFILE), - 3); - } - - /* Optional (P-)TMSI */ - if (TLVP_PRESENT(&tp, BSSGP_IE_TMSI) && - TLVP_LEN(&tp, BSSGP_IE_TMSI) >= 4) - if (!pinfo->ptmsi) - pinfo->ptmsi = talloc_zero_size(pinfo, sizeof(uint32_t)); - *(pinfo->ptmsi) = ntohl(*(uint32_t *) - TLVP_VAL(&tp, BSSGP_IE_TMSI)); - - return 0; - -err_mand_ie: -err_cond_ie: -err: - /* FIXME */ - return 0; -} -- cgit v1.2.3