aboutsummaryrefslogtreecommitdiffstats
path: root/openbsc/src/gprs/gprs_ns_vty.c
blob: 6e98e44d6acdd41f57cdccc942911692f9050847 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
/* VTY interface for our GPRS Networks Service (NS) implementation */

/* (C) 2009-2010 by Harald Welte <laforge@gnumonks.org>
 *
 * 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.
 *
 */

#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <stdint.h>

#include <arpa/inet.h>

#include <openbsc/gsm_data.h>
#include <osmocore/msgb.h>
#include <osmocore/tlv.h>
#include <osmocore/talloc.h>
#include <osmocore/select.h>
#include <osmocore/rate_ctr.h>
#include <openbsc/debug.h>
#include <openbsc/signal.h>
#include <openbsc/gprs_ns.h>
#include <openbsc/gprs_bssgp.h>

#include <vty/vty.h>
#include <vty/command.h>

static struct gprs_ns_inst *vty_nsi = NULL;

/* FIXME: this should go to some common file as it is copied
 * in vty_interface.c of the BSC */
static const struct value_string gprs_ns_timer_strs[] = {
	{ 0, "tns-block" },
	{ 1, "tns-block-retries" },
	{ 2, "tns-reset" },
	{ 3, "tns-reset-retries" },
	{ 4, "tns-test" },
	{ 5, "tns-alive" },
	{ 6, "tns-alive-retries" },
	{ 0, NULL }
};

static struct cmd_node ns_node = {
	NS_NODE,
	"%s(ns)#",
	1,
};

static int config_write_ns(struct vty *vty)
{
	struct gprs_nsvc *nsvc;
	unsigned int i;

	vty_out(vty, "ns%s", VTY_NEWLINE);

	llist_for_each_entry(nsvc, &vty_nsi->gprs_nsvcs, list) {
		if (!nsvc->persistent)
			continue;
		vty_out(vty, " nse %u nsvci %u%s",
			nsvc->nsei, nsvc->nsvci, VTY_NEWLINE);
		vty_out(vty, " nse %u remote-role %s%s",
			nsvc->nsei, nsvc->remote_end_is_sgsn ? "sgsn" : "bss",
			VTY_NEWLINE);
		if (nsvc->nsi->ll == GPRS_NS_LL_UDP) {
			vty_out(vty, " nse %u remote-ip %s%s",
				nsvc->nsei,
				inet_ntoa(nsvc->ip.bts_addr.sin_addr),
				VTY_NEWLINE);
			vty_out(vty, " nse %u remote-port %u%s",
				nsvc->nsei, ntohs(nsvc->ip.bts_addr.sin_port),
				VTY_NEWLINE);
		}
	}

	for (i = 0; i < ARRAY_SIZE(vty_nsi->timeout); i++)
		vty_out(vty, " timer %s %u%s",
			get_value_string(gprs_ns_timer_strs, i),
			vty_nsi->timeout[i], VTY_NEWLINE);

	return CMD_SUCCESS;
}

DEFUN(cfg_ns, cfg_ns_cmd,
      "ns",
      "Configure the GPRS Network Service")
{
	vty->node = NS_NODE;
	return CMD_SUCCESS;
}

DEFUN(show_ns, show_ns_cmd, "show ns",
      SHOW_STR "Display information about the NS protocol")
{
	struct gprs_ns_inst *nsi = vty_nsi;
	struct gprs_nsvc *nsvc;

	llist_for_each_entry(nsvc, &nsi->gprs_nsvcs, list) {
		vty_out(vty, "NSEI %5u, NS-VC %5u, Remote: %-4s, %5s %9s",
			nsvc->nsei, nsvc->nsvci,
			nsvc->remote_end_is_sgsn ? "SGSN" : "BSS",
			nsvc->state & NSE_S_ALIVE ? "ALIVE" : "DEAD",
			nsvc->state & NSE_S_BLOCKED ? "BLOCKED" : "UNBLOCKED");
		if (nsvc->nsi->ll == GPRS_NS_LL_UDP)
			vty_out(vty, ", %15s:%u",
				inet_ntoa(nsvc->ip.bts_addr.sin_addr),
				ntohs(nsvc->ip.bts_addr.sin_port));
		vty_out(vty, "%s", VTY_NEWLINE);
		vty_out_rate_ctr_group(vty, " ", nsvc->ctrg);
	}

	return CMD_SUCCESS;
}


#define NSE_CMD_STR "NS Entity\n" "NS Entity ID (NSEI)\n"

DEFUN(cfg_nse_nsvc, cfg_nse_nsvci_cmd,
	"nse <0-65535> nsvci <0-65534>",
	NSE_CMD_STR
	"NS Virtual Connection\n"
	"NS Virtual Connection ID (NSVCI)\n"
	)
{
	uint16_t nsei = atoi(argv[0]);
	uint16_t nsvci = atoi(argv[1]);
	struct gprs_nsvc *nsvc;

	nsvc = nsvc_by_nsei(vty_nsi, nsei);
	if (!nsvc) {
		nsvc = nsvc_create(vty_nsi, nsvci);
		nsvc->nsei = nsei;
	}
	nsvc->nsvci = nsvci;
	/* All NSVCs that are explicitly configured by VTY are
	 * marked as persistent so we can write them to the config
	 * file at some later point */
	nsvc->persistent = 1;

	return CMD_SUCCESS;
}

DEFUN(cfg_nse_remoteip, cfg_nse_remoteip_cmd,
	"nse <0-65535> remote-ip A.B.C.D",
	NSE_CMD_STR
	"Remote IP Address\n"
	"Remote IP Address\n")
{
	uint16_t nsei = atoi(argv[0]);
	struct gprs_nsvc *nsvc;

	nsvc = nsvc_by_nsei(vty_nsi, nsei);
	if (!nsvc) {
		vty_out(vty, "No such NSE (%u)%s", nsei, VTY_NEWLINE);
		return CMD_WARNING;
	}
	inet_aton(argv[1], &nsvc->ip.bts_addr.sin_addr);

	return CMD_SUCCESS;

}

DEFUN(cfg_nse_remoteport, cfg_nse_remoteport_cmd,
	"nse <0-65535> remote-port <0-65535>",
	NSE_CMD_STR
	"Remote UDP Port\n"
	"Remote UDP Port Number\n")
{
	uint16_t nsei = atoi(argv[0]);
	uint16_t port = atoi(argv[1]);
	struct gprs_nsvc *nsvc;

	nsvc = nsvc_by_nsei(vty_nsi, nsei);
	if (!nsvc) {
		vty_out(vty, "No such NSE (%u)%s", nsei, VTY_NEWLINE);
		return CMD_WARNING;
	}

	nsvc->ip.bts_addr.sin_port = htons(port);

	return CMD_SUCCESS;
}

DEFUN(cfg_nse_remoterole, cfg_nse_remoterole_cmd,
	"nse <0-65535> remote-role (sgsn|bss)",
	NSE_CMD_STR
	"Remote NSE Role\n"
	"Remote Peer is SGSN\n"
	"Remote Peer is BSS\n")
{
	uint16_t nsei = atoi(argv[0]);
	struct gprs_nsvc *nsvc;

	nsvc = nsvc_by_nsei(vty_nsi, nsei);
	if (!nsvc) {
		vty_out(vty, "No such NSE (%u)%s", nsei, VTY_NEWLINE);
		return CMD_WARNING;
	}

	if (!strcmp(argv[1], "sgsn"))
		nsvc->remote_end_is_sgsn = 1;
	else
		nsvc->remote_end_is_sgsn = 0;

	return CMD_SUCCESS;
}

DEFUN(cfg_no_nse, cfg_no_nse_cmd,
	"no nse <0-65535>",
	"Delete NS Entity\n"
	"Delete " NSE_CMD_STR)
{
	uint16_t nsei = atoi(argv[0]);
	struct gprs_nsvc *nsvc;

	nsvc = nsvc_by_nsei(vty_nsi, nsei);
	if (!nsvc) {
		vty_out(vty, "No such NSE (%u)%s", nsei, VTY_NEWLINE);
		return CMD_WARNING;
	}

	nsvc_delete(nsvc);

	return CMD_SUCCESS;
}

DEFUN(cfg_ns_timer, cfg_ns_timer_cmd,
	"timer " NS_TIMERS " <0-65535>",
	"Network Service Timer\n"
	NS_TIMERS_HELP "Timer Value\n")
{
	int idx = get_string_value(gprs_ns_timer_strs, argv[0]);
	int val = atoi(argv[1]);

	if (idx < 0 || idx >= ARRAY_SIZE(vty_nsi->timeout))
		return CMD_WARNING;

	vty_nsi->timeout[idx] = val;

	return CMD_SUCCESS;
}

int gprs_ns_vty_init(struct gprs_ns_inst *nsi)
{
	vty_nsi = nsi;

	install_element_ve(&show_ns_cmd);

	install_element(CONFIG_NODE, &cfg_ns_cmd);
	install_node(&ns_node, config_write_ns);
	install_default(NS_NODE);
	install_element(NS_NODE, &cfg_nse_nsvci_cmd);
	install_element(NS_NODE, &cfg_nse_remoteip_cmd);
	install_element(NS_NODE, &cfg_nse_remoteport_cmd);
	install_element(NS_NODE, &cfg_nse_remoterole_cmd);
	install_element(NS_NODE, &cfg_no_nse_cmd);
	install_element(NS_NODE, &cfg_ns_timer_cmd);

	return 0;
}