[PATCH libosmocore 1/8] gsm: add skeleton smscb module

Header files and skeleton functions for a SMSCB entity. Signed-off-by: Alex Badea &lt;vamposdecampos(a)gmail.com&gt; --- include/Makefile.am | 1 + include/osmocom/gsm/smscb.h | 28 ++++++++++++++++++ src/gsm/Makefile.am | 1 + src/gsm/libosmogsm.map | 5 +++ src/gsm/smscb.c | 65 +++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 100 insertions(+), 0 deletions(-) create mode 100644 include/osmocom/gsm/smscb.h create mode 100644 src/gsm/smscb.c diff --git a/include/Makefile.am b/include/Makefile.am index 60b9ea9..560fc54 100644 --- a/include/Makefile.am +++ b/include/Makefile.am @@ -66,6 +66,7 @@ nobase_include_HEADERS = \ osmocom/gsm/protocol/ipaccess.h \ osmocom/gsm/rsl.h \ osmocom/gsm/rxlev_stat.h \ + osmocom/gsm/smscb.h \ osmocom/gsm/sysinfo.h \ osmocom/gsm/tlv.h diff --git a/include/osmocom/gsm/smscb.h b/include/osmocom/gsm/smscb.h new file mode 100644 index 0000000..88ba6e2 --- /dev/null +++ b/include/osmocom/gsm/smscb.h @@ -0,0 +1,28 @@ +#ifndef _OSMOCOM_SMSCB_H +#define _OSMOCOM_SMSCB_H + +/*! \defgroup smscb SMSCB implementation according to GSM TS 03.41 + * @{ + */ + +/*! \file smscb.h */ + +struct msgb; +struct smscb_entity; + +typedef int (*smscb_cb_t)(struct msgb *msg, struct smscb_entity *se, void *ctx); + +/*! \brief a SMSCB Entity */ +struct smscb_entity { + smscb_cb_t l3_cb; /*!< \brief callback for sending stuff to L3 */ + void *l3_ctx; /*!< \brief context for layer3 instance */ +}; + +void smscb_init(struct smscb_entity *se); +void smscb_exit(struct smscb_entity *se); +void smscb_set_l3(struct smscb_entity *se, smscb_cb_t cb, void *ctx); +int smscb_ph_data_ind(struct smscb_entity *se, struct msgb *msg); + +/*! @} */ + +#endif /* _OSMOCOM_SMSCB_H */ diff --git a/src/gsm/Makefile.am b/src/gsm/Makefile.am index 6e2a785..3d79f7e 100644 --- a/src/gsm/Makefile.am +++ b/src/gsm/Makefile.am @@ -16,6 +16,7 @@ libosmogsm_la_SOURCES = a5.c rxlev_stat.c tlv_parser.c comp128.c gsm_utils.c \ gprs_cipher_core.c gsm0480.c abis_nm.c gsm0502.c \ gsm0411_utils.c gsm0411_smc.c gsm0411_smr.c \ lapd_core.c lapdm.c \ + smscb.c \ auth_core.c auth_comp128v1.c auth_milenage.c \ milenage/aes-encblock.c milenage/aes-internal.c \ milenage/aes-internal-enc.c milenage/milenage.c gan.c diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map index b2278f1..674a85f 100644 --- a/src/gsm/libosmogsm.map +++ b/src/gsm/libosmogsm.map @@ -223,6 +223,11 @@ rxlev_stat_get_next; rxlev_stat_input; rxlev_stat_reset; +smscb_init; +smscb_exit; +smscb_set_l3; +smscb_ph_data_ind; + tlv_def_patch; tlv_dump; tlv_parse; diff --git a/src/gsm/smscb.c b/src/gsm/smscb.c new file mode 100644 index 0000000..a9f38eb --- /dev/null +++ b/src/gsm/smscb.c @@ -0,0 +1,65 @@ +/* GSM SMSCB (TS 04.12) implementation */ + +/* (C) 2010,2013 by Alex Badea &lt;vamposdecampos(a)gmail.com&gt; + * + * All Rights Reserved + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + + +/*! \addtogroup smscb + * @{ + */ + +/*! \file smscb.c */ + +#include <osmocom/gsm/smscb.h> +#include <osmocom/core/logging.h> +#include <osmocom/core/msgb.h> + +/*! \brief Initialize a SMSCB entity */ +void smscb_init(struct smscb_entity *se) +{ +} + +/*! \brief Deinitialize a smscb entity */ +void smscb_exit(struct smscb_entity *se) +{ +} + +/*! \brief Set the L3 callback and context of a SMSCB entity */ +void smscb_set_l3(struct smscb_entity *se, smscb_cb_t cb, void *ctx) +{ + se->l3_cb = cb; + se->l3_ctx = ctx; +} + +/*! \brief Input data from layer 1 */ +int smscb_ph_data_ind(struct smscb_entity *se, struct msgb *msg) +{ + uint8_t addr = msg->l2h[0]; + uint8_t seq = addr & 0x0f; + + LOGP(DLLAPD, LOGL_NOTICE, "SMSCB: received message: seq=%d len=%d\n", + seq, msg->len); + + msgb_free(msg); + return 0; +} + +/*! @} */ + -- 1.7.0.4