Initial code import

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
changes/26/14726/1
Sylvain Munaut 4 years ago
commit cf189940be
  1. 9
      COPYING
  2. 339
      COPYING.gpl2
  3. 165
      COPYING.lgpl3
  4. 21
      Makefile.am
  5. 78
      configure.ac
  6. 151
      git-version-gen
  7. 1
      include/Makefile.am
  8. 109
      include/osmocom/e1d/proto.h
  9. 47
      include/osmocom/e1d/proto_clnt.h
  10. 49
      include/osmocom/e1d/proto_srv.h
  11. 10
      libosmo-e1d.pc.in
  12. 38
      src/Makefile.am
  13. 340
      src/ctl.c
  14. 82
      src/e1d.h
  15. 41
      src/log.c
  16. 33
      src/log.h
  17. 136
      src/osmo-e1d.c
  18. 149
      src/proto.c
  19. 319
      src/proto_clnt.c
  20. 260
      src/proto_srv.c
  21. 616
      src/usb.c

@ -0,0 +1,9 @@
See COPYING.* for the full licenses.
The libosmo-e1d library is licensed under the terms of the GNU Lesser General
Public License as published by the Free Software Foundation, either version 3
of the License, or (at your option) any later version.
The osmo-e1d daemon is licensed 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.

@ -0,0 +1,339 @@
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
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You should also get your employer (if you work as a programmer) or your
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Yoyodyne, Inc., hereby disclaims all copyright interest in the program
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<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
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@ -0,0 +1,165 @@
GNU LESSER GENERAL PUBLIC LICENSE
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Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
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is a work based on the Library, and explaining where to find the
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versions will be similar in spirit to the present version, but may
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Library as you received it specifies that a certain numbered version
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Library.

@ -0,0 +1,21 @@
AUTOMAKE_OPTIONS = foreign dist-bzip2
SUBDIRS = \
src \
include \
$(NULL)
EXTRA_DIST = \
.version \
$(NULL)
pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = libosmo-e1d.pc
@RELMAKE@
BUILT_SOURCES = $(top_srcdir)/.version
$(top_srcdir)/.version:
echo $(VERSION) > $@-t && mv $@-t $@
dist-hook:
echo $(VERSION) > $(distdir)/.tarball-version

@ -0,0 +1,78 @@
AC_INIT([osmo-e1d],
m4_esyscmd([./git-version-gen .tarball-version]),
[openbsc@lists.osmocom.org])
dnl *This* is the root dir, even if an install-sh exists in ../ or ../../
AC_CONFIG_AUX_DIR([.])
dnl libtool init
LT_INIT
AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip 1.9])
dnl kernel style compile messages
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
dnl include release helper
RELMAKE='-include osmo-release.mk'
AC_SUBST([RELMAKE])
dnl checks for programs
AC_PROG_MAKE_SET
AC_PROG_MKDIR_P
AC_PROG_CC
AC_PROG_INSTALL
dnl check for pkg-config (explained in detail in libosmocore/configure.ac)
AC_PATH_PROG(PKG_CONFIG_INSTALLED, pkg-config, no)
if test "x$PKG_CONFIG_INSTALLED" = "xno"; then
AC_MSG_WARN([You need to install pkg-config])
fi
PKG_PROG_PKG_CONFIG([0.20])
PKG_CHECK_MODULES(TALLOC, [talloc >= 2.0.1])
PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore >= 1.0.1.120)
PKG_CHECK_MODULES(LIBUSB, libusb-1.0 >= 1.0.21)
AC_CONFIG_MACRO_DIR([m4])
dnl checks for header files
AC_HEADER_STDC
AC_ARG_ENABLE(sanitize,
[AS_HELP_STRING(
[--enable-sanitize],
[Compile with address sanitizer enabled],
)],
[sanitize=$enableval], [sanitize="no"])
if test x"$sanitize" = x"yes"
then
CFLAGS="$CFLAGS -fsanitize=address -fsanitize=undefined"
CPPFLAGS="$CPPFLAGS -fsanitize=address -fsanitize=undefined"
fi
AC_ARG_ENABLE(werror,
[AS_HELP_STRING(
[--enable-werror],
[Turn all compiler warnings into errors, with exceptions:
a) deprecation (allow upstream to mark deprecation without breaking builds);
b) "#warning" pragmas (allow to remind ourselves of errors without breaking builds)
]
)],
[werror=$enableval], [werror="no"])
if test x"$werror" = x"yes"
then
WERROR_FLAGS="-Werror"
WERROR_FLAGS+=" -Wno-error=deprecated -Wno-error=deprecated-declarations"
WERROR_FLAGS+=" -Wno-error=cpp" # "#warning"
CFLAGS="$CFLAGS $WERROR_FLAGS"
CPPFLAGS="$CPPFLAGS $WERROR_FLAGS"
fi
AC_OUTPUT(
Makefile
src/Makefile
include/Makefile
libosmo-e1d.pc
)

@ -0,0 +1,151 @@
#!/bin/sh
# Print a version string.
scriptversion=2010-01-28.01
# Copyright (C) 2007-2010 Free Software Foundation, Inc.
#
# 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 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This script is derived from GIT-VERSION-GEN from GIT: http://git.or.cz/.
# It may be run two ways:
# - from a git repository in which the "git describe" command below
# produces useful output (thus requiring at least one signed tag)
# - from a non-git-repo directory containing a .tarball-version file, which
# presumes this script is invoked like "./git-version-gen .tarball-version".
# In order to use intra-version strings in your project, you will need two
# separate generated version string files:
#
# .tarball-version - present only in a distribution tarball, and not in
# a checked-out repository. Created with contents that were learned at
# the last time autoconf was run, and used by git-version-gen. Must not
# be present in either $(srcdir) or $(builddir) for git-version-gen to
# give accurate answers during normal development with a checked out tree,
# but must be present in a tarball when there is no version control system.
# Therefore, it cannot be used in any dependencies. GNUmakefile has
# hooks to force a reconfigure at distribution time to get the value
# correct, without penalizing normal development with extra reconfigures.
#
# .version - present in a checked-out repository and in a distribution
# tarball. Usable in dependencies, particularly for files that don't
# want to depend on config.h but do want to track version changes.
# Delete this file prior to any autoconf run where you want to rebuild
# files to pick up a version string change; and leave it stale to
# minimize rebuild time after unrelated changes to configure sources.
#
# It is probably wise to add these two files to .gitignore, so that you
# don't accidentally commit either generated file.
#
# Use the following line in your configure.ac, so that $(VERSION) will
# automatically be up-to-date each time configure is run (and note that
# since configure.ac no longer includes a version string, Makefile rules
# should not depend on configure.ac for version updates).
#
# AC_INIT([GNU project],
# m4_esyscmd([build-aux/git-version-gen .tarball-version]),
# [bug-project@example])
#
# Then use the following lines in your Makefile.am, so that .version
# will be present for dependencies, and so that .tarball-version will
# exist in distribution tarballs.
#
# BUILT_SOURCES = $(top_srcdir)/.version
# $(top_srcdir)/.version:
# echo $(VERSION) > $@-t && mv $@-t $@
# dist-hook:
# echo $(VERSION) > $(distdir)/.tarball-version
case $# in
1) ;;
*) echo 1>&2 "Usage: $0 \$srcdir/.tarball-version"; exit 1;;
esac
tarball_version_file=$1
nl='
'
# First see if there is a tarball-only version file.
# then try "git describe", then default.
if test -f $tarball_version_file
then
v=`cat $tarball_version_file` || exit 1
case $v in
*$nl*) v= ;; # reject multi-line output
[0-9]*) ;;
*) v= ;;
esac
test -z "$v" \
&& echo "$0: WARNING: $tarball_version_file seems to be damaged" 1>&2
fi
if test -n "$v"
then
: # use $v
elif
v=`git describe --abbrev=4 --match='v*' HEAD 2>/dev/null \
|| git describe --abbrev=4 HEAD 2>/dev/null` \
&& case $v in
[0-9]*) ;;
v[0-9]*) ;;
*) (exit 1) ;;
esac
then
# Is this a new git that lists number of commits since the last
# tag or the previous older version that did not?
# Newer: v6.10-77-g0f8faeb
# Older: v6.10-g0f8faeb
case $v in
*-*-*) : git describe is okay three part flavor ;;
*-*)
: git describe is older two part flavor
# Recreate the number of commits and rewrite such that the
# result is the same as if we were using the newer version
# of git describe.
vtag=`echo "$v" | sed 's/-.*//'`
numcommits=`git rev-list "$vtag"..HEAD | wc -l`
v=`echo "$v" | sed "s/\(.*\)-\(.*\)/\1-$numcommits-\2/"`;
;;
esac
# Change the first '-' to a '.', so version-comparing tools work properly.
# Remove the "g" in git describe's output string, to save a byte.
v=`echo "$v" | sed 's/-/./;s/\(.*\)-g/\1-/'`;
else
v=UNKNOWN
fi
v=`echo "$v" |sed 's/^v//'`
# Don't declare a version "dirty" merely because a time stamp has changed.
git status > /dev/null 2>&1
dirty=`sh -c 'git diff-index --name-only HEAD' 2>/dev/null` || dirty=
case "$dirty" in
'') ;;
*) # Append the suffix only if there isn't one already.
case $v in
*-dirty) ;;
*) v="$v-dirty" ;;
esac ;;
esac
# Omit the trailing newline, so that m4_esyscmd can use the result directly.
echo "$v" | tr -d '\012'
# Local variables:
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-end: "$"
# End:

@ -0,0 +1 @@
nobase_include_HEADERS = osmocom/e1d/proto_clnt.h osmocom/e1d/proto.h osmocom/e1d/proto_srv.h

@ -0,0 +1,109 @@
/*
* proto.h
*
* (C) 2019 by Sylvain Munaut <tnt@246tNt.com>
*
* All Rights Reserved
*
* SPDX-License-Identifier: LGPL-3.0-or-later
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser 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 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.
*/
#pragma once
#include <stdint.h>
#include <osmocom/core/select.h>
/* E1DP_CMD_INTF_QUERY
* filter: intf (optional)
* in: n/a
* out: array of osmo_e1dp_intf_info
*
* E1DP_CMD_LINE_QUERY
* filter: intf (required), line (optional)
* in: n/a
* out: array of osmo_e1dp_line_info
*
* E1DP_CMD_TS_QUERY
* filter: intf (required), line (required), ts (optional)
* in: n/a
* out: array of osmo_e1dp_ts_info
*
* E1DP_CMD_TS_OPEN
* filter: intf (required), line (required), ts (required)
* in: osmo_e1dp_ts_config
* out: osmo_e1dp_ts_info with the opened TS (or an invalid one with id == -1 for errors)
* + message with the file descriptor
*/
enum osmo_e1dp_msg_type {
E1DP_CMD_INTF_QUERY = 0x00,
E1DP_CMD_LINE_QUERY = 0x01,
E1DP_CMD_TS_QUERY = 0x02,
E1DP_CMD_TS_OPEN = 0x04,
E1DP_EVT_TYPE = 0x40,
E1DP_RESP_TYPE = 0x80,
E1DP_ERR_TYPE = 0xc0,
E1DP_TYPE_MSK = 0xc0,
};
enum osmo_e1dp_ts_mode {
E1DP_TSMODE_OFF = 0x00,
E1DP_TSMODE_RAW = 0x10,
E1DP_TSMODE_HDLCFCS = 0x11,
};
#define E1DP_MAGIC 0x00e1
#define E1DP_MAX_LEN 4096
#define E1DP_INVALID 0xff
struct osmo_e1dp_msg_hdr {
uint16_t magic;
uint16_t len;
uint8_t type;
uint8_t intf;
uint8_t line;
uint8_t ts;
} __attribute__((packed));
struct osmo_e1dp_intf_info {
uint8_t id;
uint8_t n_lines;
} __attribute__((packed));
struct osmo_e1dp_line_info {
uint8_t id;
uint8_t status; /* TBD */
} __attribute__((packed));
struct osmo_e1dp_ts_config {
uint8_t mode;
} __attribute__((packed));
struct osmo_e1dp_ts_info {
uint8_t id;
struct osmo_e1dp_ts_config cfg;
uint8_t status; /* TBD */
} __attribute__((packed));
struct msgb *osmo_e1dp_recv(struct osmo_fd *ofd, int *fd);
int osmo_e1dp_send(struct osmo_fd *ofd, struct msgb *msgb, int fd);

@ -0,0 +1,47 @@
/*
* proto_clnt.h
*
* (C) 2019 by Sylvain Munaut <tnt@246tNt.com>
*
* All Rights Reserved
*
* SPDX-License-Identifier: LGPL-3.0-or-later
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser 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 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.
*/
#pragma once
#include <osmocom/core/msgb.h>
#include <osmocom/e1d/proto.h>
struct osmo_e1dp_client;
struct osmo_e1dp_client *osmo_e1dp_client_create(void *ctx, const char *path);
void osmo_e1dp_client_destroy(struct osmo_e1dp_client *srv);
int osmo_e1dp_client_intf_query(struct osmo_e1dp_client *clnt,
struct osmo_e1dp_intf_info **ii, int *n,
uint8_t intf);
int osmo_e1dp_client_line_query(struct osmo_e1dp_client *clnt,
struct osmo_e1dp_line_info **li, int *n,
uint8_t intf, uint8_t line);
int osmo_e1dp_client_ts_query(struct osmo_e1dp_client *clnt,
struct osmo_e1dp_ts_info **ti, int *n,
uint8_t intf, uint8_t line, uint8_t ts);
int osmo_e1dp_client_ts_open(struct osmo_e1dp_client *clnt,
uint8_t intf, uint8_t line, uint8_t ts,
enum osmo_e1dp_ts_mode mode);

@ -0,0 +1,49 @@
/*
* proto_srv.h
*
* (C) 2019 by Sylvain Munaut <tnt@246tNt.com>
*
* All Rights Reserved
*
* SPDX-License-Identifier: LGPL-3.0-or-later
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser 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 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.
*/
#pragma once
#include <osmocom/core/msgb.h>
struct osmo_e1dp_server;
#define E1DP_SF_INTF_OPT (1<<0)
#define E1DP_SF_INTF_REQ (1<<1)
#define E1DP_SF_LINE_OPT (1<<2)
#define E1DP_SF_LINE_REQ (1<<3)
#define E1DP_SF_TS_OPT (1<<4)
#define E1DP_SF_TS_REQ (1<<5)
typedef int (*osmo_e1dp_server_handler_fn)(void *data, struct msgb *msgb, struct msgb *rmsgb, int *rfd);
struct osmo_e1dp_server_handler {
uint8_t type;
int flags;
int payload_len;
osmo_e1dp_server_handler_fn fn;
};
struct osmo_e1dp_server *osmo_e1dp_server_create(void *ctx, const char *path,
struct osmo_e1dp_server_handler *handlers, void *handler_data);
void osmo_e1dp_server_destroy(struct osmo_e1dp_server *srv);

@ -0,0 +1,10 @@
prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@
includedir=@includedir@
Name: Osmocom E1 Daemon Protocol Library
Description: C Utility Library
Version: @VERSION@
Libs: -L${libdir} -losmo-e1d
Cflags: -I${includedir}/

@ -0,0 +1,38 @@
# This is _NOT_ the library release version, it's an API version.
# Please read Chapter 6 "Library interface versions" of the libtool
# documentation before making any modification
LIBVERSION=0:0:0
AM_CPPFLAGS = $(all_includes) -I$(top_srcdir)/include -I$(top_builddir)
AM_CFLAGS=-Wall $(LIBOSMOCORE_CFLAGS) $(LIBUSB_CFLAGS)
lib_LTLIBRARIES = libosmo-e1d.la
libosmo_e1d_la_SOURCES = \
proto.c \
proto_clnt.c \
proto_srv.c \
$(NULL)
libosmo_e1d_la_LDFLAGS = -version-info $(LIBVERSION) -no-undefined -export-symbols-regex '^osmo_'
libosmo_e1d_la_LIBADD = $(LIBOSMOCORE_LIBS)
noinst_HEADERS = \
e1d.h \
log.h \
$(NULL)
bin_PROGRAMS = \
osmo-e1d \
$(NULL)
osmo_e1d_SOURCES = \
ctl.c \
log.c \
osmo-e1d.c \
usb.c \
$(NULL)
osmo_e1d_LDADD = $(LIBOSMOCORE_LIBS) $(LIBUSB_LIBS) libosmo-e1d.la

@ -0,0 +1,340 @@
/*
* ctl.c
*
* (C) 2019 by Sylvain Munaut <tnt@246tNt.com>
*
* All Rights Reserved
*
* SPDX-License-Identifier: GPL-2.0+
*
* 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.
*/
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <osmocom/core/isdnhdlc.h>
#include <osmocom/core/msgb.h>
#include <osmocom/e1d/proto.h>
#include <osmocom/e1d/proto_srv.h>
#include "e1d.h"
static struct e1_intf *
_e1d_find_intf(struct e1_daemon *e1d, uint8_t id)
{
struct e1_intf *intf;
llist_for_each_entry(intf, &e1d->interfaces, list)
if (intf->id == id)
return intf;
return NULL;
}
static struct e1_line *
_e1d_find_line(struct e1_intf *intf, uint8_t id)
{
struct e1_line *line;
llist_for_each_entry(line, &intf->lines, list)
if (line->id == id)
return line;
return NULL;
}
static struct e1_ts *
_e1d_get_ts(struct e1_line *line, uint8_t ts)
{
return (ts < 32) ? &line->ts[ts] : NULL;
}
static void
_e1d_fill_intf_info(struct osmo_e1dp_intf_info *ii, struct e1_intf *intf)
{
ii->id = intf->id;
ii->n_lines = llist_count(&intf->lines);
}
static void
_e1d_fill_line_info(struct osmo_e1dp_line_info *li, struct e1_line *line)
{
li->id = line->id;
li->status = 0x00;
}
static void
_e1d_fill_ts_info(struct osmo_e1dp_ts_info *ti, struct e1_ts *ts)
{
ti->id = ts->id;
ti->cfg.mode = 0;
ti->status = 0;
}
static void
_e1d_ts_stop(struct e1_ts *ts)
{
ts->mode = E1_TS_MODE_OFF;
if (ts->fd > 0) {
close(ts->fd);
ts->fd = -1;
}
}
static int
_e1d_ts_start(struct e1_ts *ts, enum e1_ts_mode mode)
{
int ret, sd[2];
ret = socketpair(AF_UNIX, SOCK_SEQPACKET, 0, sd);
if (ret < 0)
return ret;
ts->fd = sd[0];
ts->mode = mode;
if (mode == E1_TS_MODE_HDLCFCS) {
osmo_isdnhdlc_out_init(&ts->hdlc_tx, OSMO_HDLC_F_BITREVERSE);
osmo_isdnhdlc_rcv_init(&ts->hdlc_rx, OSMO_HDLC_F_BITREVERSE);
}
int flags = fcntl(ts->fd, F_GETFL);
fcntl(ts->fd, F_SETFL, flags | O_NONBLOCK);
return sd[1];
}
static int
_e1d_ctl_intf_query(void *data, struct msgb *msgb, struct msgb *rmsgb, int *rfd)
{
struct e1_daemon *e1d = (struct e1_daemon *)data;
struct osmo_e1dp_msg_hdr *hdr = msgb_l1(msgb);
struct osmo_e1dp_intf_info *ii;
struct e1_intf *intf = NULL;
int n;
/* Process query and find interface */
if (hdr->intf != E1DP_INVALID) {
intf = _e1d_find_intf(e1d, hdr->intf);
n = intf ? 1 : 0;
} else {
n = llist_count(&e1d->interfaces);
}
if (!n)
return 0;
/* Allocate reponse */
rmsgb->l2h = msgb_put(rmsgb, n * sizeof(struct osmo_e1dp_intf_info));
ii = msgb_l2(rmsgb);
memset(ii, 0x00, n * sizeof(struct osmo_e1dp_intf_info));
/* Fill response */
if (intf) {
_e1d_fill_intf_info(ii, intf);
} else {
llist_for_each_entry(intf, &e1d->interfaces, list)
_e1d_fill_intf_info(ii++, intf);
}
return 0;
}
static int
_e1d_ctl_line_query(void *data, struct msgb *msgb, struct msgb *rmsgb, int *rfd)
{
struct e1_daemon *e1d = (struct e1_daemon *)data;
struct osmo_e1dp_msg_hdr *hdr = msgb_l1(msgb);
struct osmo_e1dp_line_info *li;
struct e1_intf *intf = NULL;
struct e1_line *line = NULL;
int n;
/* Process query and find line */
intf = _e1d_find_intf(e1d, hdr->intf);
if (!intf)
return 0;
if (hdr->line != E1DP_INVALID) {
line = _e1d_find_line(intf, hdr->line);
n = line ? 1 : 0;
} else{
n = llist_count(&intf->lines);
}
if (!n)
return 0;
/* Allocate reponse */
rmsgb->l2h = msgb_put(rmsgb, n * sizeof(struct osmo_e1dp_line_info));
li = msgb_l2(rmsgb);
memset(li, 0x00, n * sizeof(struct osmo_e1dp_line_info));
/* Fill response */
if (line) {
_e1d_fill_line_info(li, line);
} else {
llist_for_each_entry(line, &intf->lines, list)
_e1d_fill_line_info(li++, line);
}
return 0;
}
static int
_e1d_ctl_ts_query(void *data, struct msgb *msgb, struct msgb *rmsgb, int *rfd)
{
struct e1_daemon *e1d = (struct e1_daemon *)data;
struct osmo_e1dp_msg_hdr *hdr = msgb_l1(msgb);
struct osmo_e1dp_ts_info *ti;
struct e1_intf *intf = NULL;
struct e1_line *line = NULL;
int n;
/* Process query and find timeslot */
intf = _e1d_find_intf(e1d, hdr->intf);
if (!intf)
return 0;
line = _e1d_find_line(intf, hdr->line);
if (!line)
return 0;
n = (hdr->ts == E1DP_INVALID) ? 32 : (
((hdr->ts >= 0) && (hdr->ts < 31)) ? 1 : 0
);
if (!n)
return 0;
/* Allocate reponse */
rmsgb->l2h = msgb_put(rmsgb, n * sizeof(struct osmo_e1dp_ts_info));
ti = msgb_l2(rmsgb);
memset(ti, 0x00, n * sizeof(struct osmo_e1dp_line_info));
/* Fill response */
if (n == 1) {
_e1d_fill_ts_info(ti, &line->ts[hdr->ts]);
} else {
for (int i=0; i<32; i++)
_e1d_fill_ts_info(ti++, &line->ts[i]);
}
return 0;
}
static int
_e1d_ctl_ts_open(void *data, struct msgb *msgb, struct msgb *rmsgb, int *rfd)
{
struct e1_daemon *e1d = (struct e1_daemon *)data;
struct osmo_e1dp_msg_hdr *hdr = msgb_l1(msgb);
struct osmo_e1dp_ts_config *cfg = msgb_l2(msgb);
struct osmo_e1dp_ts_info *ti;
struct e1_intf *intf = NULL;
struct e1_line *line = NULL;
struct e1_ts *ts = NULL;
enum e1_ts_mode mode;
int ret;
/* Process query and find timeslot */
intf = _e1d_find_intf(e1d, hdr->intf);
if (!intf)
return 0;
line = _e1d_find_line(intf, hdr->line);
if (!line)
return 0;
ts = _e1d_get_ts(line, hdr->ts);
if (!ts)
return 0;
/* Select mode */
switch (cfg->mode) {
case E1DP_TSMODE_RAW:
mode = E1_TS_MODE_RAW;
break;
case E1DP_TSMODE_HDLCFCS:
mode = E1_TS_MODE_HDLCFCS;
break;
default:
return 0;
}
/* If already open, close previous */
_e1d_ts_stop(ts);
/* Init */
ret = _e1d_ts_start(ts, mode);
if (ret < 0)
return ret;
*rfd = ret;
/* Allocate response */
rmsgb->l2h = msgb_put(rmsgb, sizeof(struct osmo_e1dp_ts_info));
ti = msgb_l2(rmsgb);
memset(ti, 0x00, sizeof(struct osmo_e1dp_line_info));
/* Fill reponse */
ti->id = hdr->ts;
ti->cfg.mode = cfg->mode;
ti->status = 0xa5;
return 0;
}
struct osmo_e1dp_server_handler e1d_ctl_handlers[] = {
{
.type = E1DP_CMD_INTF_QUERY,
.flags = E1DP_SF_INTF_OPT,
.payload_len = 0,
.fn = _e1d_ctl_intf_query,
},
{
.type = E1DP_CMD_LINE_QUERY,
.flags = E1DP_SF_INTF_REQ | E1DP_SF_LINE_OPT,
.payload_len = 0,
.fn = _e1d_ctl_line_query,
},
{
.type = E1DP_CMD_TS_QUERY,
.flags = E1DP_SF_INTF_REQ | E1DP_SF_LINE_REQ | E1DP_SF_TS_OPT,
.payload_len = 0,
.fn = _e1d_ctl_ts_query,
},
{
.type = E1DP_CMD_TS_OPEN,
.flags = E1DP_SF_INTF_REQ | E1DP_SF_LINE_REQ | E1DP_SF_TS_REQ,
.payload_len = sizeof(struct osmo_e1dp_ts_config),
.fn = _e1d_ctl_ts_open,
},
{ /* guard */ },
};

@ -0,0 +1,82 @@
/*
* e1d.h
*
* (C) 2019 by Sylvain Munaut <tnt@246tNt.com>
*
* All Rights Reserved
*
* SPDX-License-Identifier: GPL-2.0+
*
* 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.
*/
#include <stdint.h>
#include <osmocom/core/isdnhdlc.h>
#include <osmocom/core/linuxlist.h>
enum e1_ts_mode {
E1_TS_MODE_OFF = 0,
E1_TS_MODE_RAW,
E1_TS_MODE_HDLCFCS,
};
struct e1_ts {
struct e1_line *line;
uint8_t id;
/* Mode */
enum e1_ts_mode mode;
/* HDLC handling */
struct osmo_isdnhdlc_vars hdlc_tx;
struct osmo_isdnhdlc_vars hdlc_rx;
uint8_t rx_buf[264];
uint8_t tx_buf[264];
int tx_ofs;
int tx_len;
/* Remote end */
int fd;
};
struct e1_line {
struct llist_head list;
struct e1_intf *intf;
uint8_t id;
void *drv_data;
struct e1_ts ts[32];
};
struct e1_intf {
struct llist_head list;
struct e1_daemon *e1d;
uint8_t id;
void *drv_data;
struct llist_head lines;
};
struct e1_daemon {
void *ctx;
struct llist_head interfaces;
};

@ -0,0 +1,41 @@
/*
* log.c
*
* (C) 2019 by Sylvain Munaut <tnt@246tNt.com>
*
* All Rights Reserved
*
* SPDX-License-Identifier: GPL-2.0+
*
* 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.
*/
#include <osmocom/core/logging.h>
#include <osmocom/core/utils.h>
#include "log.h"
static const struct log_info_cat default_categories[] = {
[DE1D] = {
.name = "DE1D",
.loglevel = LOGL_DEBUG,
.enabled = 1,
},
};
const struct log_info log_info = {
.cat = default_categories,
.num_cat = ARRAY_SIZE(default_categories),
};

@ -0,0 +1,33 @@
/*
* log.h
*
* (C) 2019 by Sylvain Munaut <tnt@246tNt.com>
*
* All Rights Reserved
*
* SPDX-License-Identifier: GPL-2.0+
*
* 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.
*/