Harald Welte | f2b4cd7 | 2010-05-13 11:45:07 +0200 | [diff] [blame] | 1 | /* VTY interface for our GPRS Networks Service (NS) implementation */ |
| 2 | |
| 3 | /* (C) 2009-2010 by Harald Welte <laforge@gnumonks.org> |
| 4 | * |
| 5 | * All Rights Reserved |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License along |
| 18 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | */ |
| 22 | |
| 23 | #include <stdlib.h> |
| 24 | #include <unistd.h> |
| 25 | #include <errno.h> |
| 26 | #include <stdint.h> |
| 27 | |
| 28 | #include <arpa/inet.h> |
| 29 | |
| 30 | #include <openbsc/gsm_data.h> |
| 31 | #include <osmocore/msgb.h> |
| 32 | #include <osmocore/tlv.h> |
| 33 | #include <osmocore/talloc.h> |
| 34 | #include <osmocore/select.h> |
| 35 | #include <osmocore/rate_ctr.h> |
| 36 | #include <openbsc/debug.h> |
| 37 | #include <openbsc/signal.h> |
| 38 | #include <openbsc/gprs_ns.h> |
| 39 | #include <openbsc/gprs_bssgp.h> |
| 40 | |
| 41 | #include <vty/vty.h> |
| 42 | #include <vty/command.h> |
| 43 | |
| 44 | static struct gprs_ns_inst *vty_nsi = NULL; |
| 45 | |
| 46 | /* FIXME: this should go to some common file as it is copied |
| 47 | * in vty_interface.c of the BSC */ |
| 48 | static const struct value_string gprs_ns_timer_strs[] = { |
| 49 | { 0, "tns-block" }, |
| 50 | { 1, "tns-block-retries" }, |
| 51 | { 2, "tns-reset" }, |
| 52 | { 3, "tns-reset-retries" }, |
| 53 | { 4, "tns-test" }, |
| 54 | { 5, "tns-alive" }, |
| 55 | { 6, "tns-alive-retries" }, |
| 56 | { 0, NULL } |
| 57 | }; |
| 58 | |
| 59 | static struct cmd_node ns_node = { |
| 60 | NS_NODE, |
| 61 | "%s(ns)#", |
| 62 | 1, |
| 63 | }; |
| 64 | |
| 65 | static int config_write_ns(struct vty *vty) |
| 66 | { |
| 67 | struct gprs_nsvc *nsvc; |
| 68 | unsigned int i; |
| 69 | |
| 70 | vty_out(vty, "ns%s", VTY_NEWLINE); |
| 71 | |
| 72 | llist_for_each_entry(nsvc, &vty_nsi->gprs_nsvcs, list) { |
| 73 | if (!nsvc->persistent) |
| 74 | continue; |
| 75 | vty_out(vty, " nse %u nsvci %u%s", |
| 76 | nsvc->nsei, nsvc->nsvci, VTY_NEWLINE); |
| 77 | vty_out(vty, " nse %u remote-role %s%s", |
| 78 | nsvc->nsei, nsvc->remote_end_is_sgsn ? "sgsn" : "bss", |
| 79 | VTY_NEWLINE); |
| 80 | if (nsvc->nsi->ll == GPRS_NS_LL_UDP) { |
| 81 | vty_out(vty, " nse %u remote-ip %s%s", |
| 82 | nsvc->nsei, |
| 83 | inet_ntoa(nsvc->ip.bts_addr.sin_addr), |
| 84 | VTY_NEWLINE); |
| 85 | vty_out(vty, " nse %u remote-port %u%s", |
| 86 | nsvc->nsei, ntohs(nsvc->ip.bts_addr.sin_port), |
| 87 | VTY_NEWLINE); |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | for (i = 0; i < ARRAY_SIZE(vty_nsi->timeout); i++) |
| 92 | vty_out(vty, " timer %s %u%s", |
| 93 | get_value_string(gprs_ns_timer_strs, i), |
| 94 | vty_nsi->timeout[i], VTY_NEWLINE); |
| 95 | |
| 96 | return CMD_SUCCESS; |
| 97 | } |
| 98 | |
| 99 | DEFUN(cfg_ns, cfg_ns_cmd, |
| 100 | "ns", |
| 101 | "Configure the GPRS Network Service") |
| 102 | { |
| 103 | vty->node = NS_NODE; |
| 104 | return CMD_SUCCESS; |
| 105 | } |
| 106 | |
Harald Welte | 73b2359 | 2010-05-13 12:32:30 +0200 | [diff] [blame] | 107 | static void dump_ns(struct vty *vty, struct gprs_ns_inst *nsi, int stats) |
Harald Welte | f2b4cd7 | 2010-05-13 11:45:07 +0200 | [diff] [blame] | 108 | { |
Harald Welte | f2b4cd7 | 2010-05-13 11:45:07 +0200 | [diff] [blame] | 109 | struct gprs_nsvc *nsvc; |
| 110 | |
| 111 | llist_for_each_entry(nsvc, &nsi->gprs_nsvcs, list) { |
Harald Welte | 9aa97fc | 2010-05-13 13:58:08 +0200 | [diff] [blame^] | 112 | if (nsvc == nsi->unknown_nsvc) |
| 113 | continue; |
Harald Welte | f2b4cd7 | 2010-05-13 11:45:07 +0200 | [diff] [blame] | 114 | vty_out(vty, "NSEI %5u, NS-VC %5u, Remote: %-4s, %5s %9s", |
| 115 | nsvc->nsei, nsvc->nsvci, |
| 116 | nsvc->remote_end_is_sgsn ? "SGSN" : "BSS", |
| 117 | nsvc->state & NSE_S_ALIVE ? "ALIVE" : "DEAD", |
| 118 | nsvc->state & NSE_S_BLOCKED ? "BLOCKED" : "UNBLOCKED"); |
| 119 | if (nsvc->nsi->ll == GPRS_NS_LL_UDP) |
| 120 | vty_out(vty, ", %15s:%u", |
| 121 | inet_ntoa(nsvc->ip.bts_addr.sin_addr), |
| 122 | ntohs(nsvc->ip.bts_addr.sin_port)); |
| 123 | vty_out(vty, "%s", VTY_NEWLINE); |
Harald Welte | 73b2359 | 2010-05-13 12:32:30 +0200 | [diff] [blame] | 124 | if (stats) |
| 125 | vty_out_rate_ctr_group(vty, " ", nsvc->ctrg); |
Harald Welte | f2b4cd7 | 2010-05-13 11:45:07 +0200 | [diff] [blame] | 126 | } |
Harald Welte | 73b2359 | 2010-05-13 12:32:30 +0200 | [diff] [blame] | 127 | } |
Harald Welte | f2b4cd7 | 2010-05-13 11:45:07 +0200 | [diff] [blame] | 128 | |
Harald Welte | 73b2359 | 2010-05-13 12:32:30 +0200 | [diff] [blame] | 129 | DEFUN(show_ns, show_ns_cmd, "show ns", |
| 130 | SHOW_STR "Display information about the NS protocol") |
| 131 | { |
| 132 | struct gprs_ns_inst *nsi = vty_nsi; |
| 133 | dump_ns(vty, nsi, 0); |
Harald Welte | f2b4cd7 | 2010-05-13 11:45:07 +0200 | [diff] [blame] | 134 | return CMD_SUCCESS; |
| 135 | } |
| 136 | |
Harald Welte | 73b2359 | 2010-05-13 12:32:30 +0200 | [diff] [blame] | 137 | DEFUN(show_ns_stats, show_ns_stats_cmd, "show ns stats", |
| 138 | SHOW_STR |
| 139 | "Display information about the NS protocol\n" |
| 140 | "Include statistics\n") |
| 141 | { |
| 142 | struct gprs_ns_inst *nsi = vty_nsi; |
| 143 | dump_ns(vty, nsi, 1); |
| 144 | return CMD_SUCCESS; |
| 145 | } |
Harald Welte | f2b4cd7 | 2010-05-13 11:45:07 +0200 | [diff] [blame] | 146 | |
| 147 | #define NSE_CMD_STR "NS Entity\n" "NS Entity ID (NSEI)\n" |
| 148 | |
| 149 | DEFUN(cfg_nse_nsvc, cfg_nse_nsvci_cmd, |
| 150 | "nse <0-65535> nsvci <0-65534>", |
| 151 | NSE_CMD_STR |
| 152 | "NS Virtual Connection\n" |
| 153 | "NS Virtual Connection ID (NSVCI)\n" |
| 154 | ) |
| 155 | { |
| 156 | uint16_t nsei = atoi(argv[0]); |
| 157 | uint16_t nsvci = atoi(argv[1]); |
| 158 | struct gprs_nsvc *nsvc; |
| 159 | |
| 160 | nsvc = nsvc_by_nsei(vty_nsi, nsei); |
| 161 | if (!nsvc) { |
| 162 | nsvc = nsvc_create(vty_nsi, nsvci); |
| 163 | nsvc->nsei = nsei; |
| 164 | } |
| 165 | nsvc->nsvci = nsvci; |
| 166 | /* All NSVCs that are explicitly configured by VTY are |
| 167 | * marked as persistent so we can write them to the config |
| 168 | * file at some later point */ |
| 169 | nsvc->persistent = 1; |
| 170 | |
| 171 | return CMD_SUCCESS; |
| 172 | } |
| 173 | |
| 174 | DEFUN(cfg_nse_remoteip, cfg_nse_remoteip_cmd, |
| 175 | "nse <0-65535> remote-ip A.B.C.D", |
| 176 | NSE_CMD_STR |
| 177 | "Remote IP Address\n" |
| 178 | "Remote IP Address\n") |
| 179 | { |
| 180 | uint16_t nsei = atoi(argv[0]); |
| 181 | struct gprs_nsvc *nsvc; |
| 182 | |
| 183 | nsvc = nsvc_by_nsei(vty_nsi, nsei); |
| 184 | if (!nsvc) { |
| 185 | vty_out(vty, "No such NSE (%u)%s", nsei, VTY_NEWLINE); |
| 186 | return CMD_WARNING; |
| 187 | } |
| 188 | inet_aton(argv[1], &nsvc->ip.bts_addr.sin_addr); |
| 189 | |
| 190 | return CMD_SUCCESS; |
| 191 | |
| 192 | } |
| 193 | |
| 194 | DEFUN(cfg_nse_remoteport, cfg_nse_remoteport_cmd, |
| 195 | "nse <0-65535> remote-port <0-65535>", |
| 196 | NSE_CMD_STR |
| 197 | "Remote UDP Port\n" |
| 198 | "Remote UDP Port Number\n") |
| 199 | { |
| 200 | uint16_t nsei = atoi(argv[0]); |
| 201 | uint16_t port = atoi(argv[1]); |
| 202 | struct gprs_nsvc *nsvc; |
| 203 | |
| 204 | nsvc = nsvc_by_nsei(vty_nsi, nsei); |
| 205 | if (!nsvc) { |
| 206 | vty_out(vty, "No such NSE (%u)%s", nsei, VTY_NEWLINE); |
| 207 | return CMD_WARNING; |
| 208 | } |
| 209 | |
| 210 | nsvc->ip.bts_addr.sin_port = htons(port); |
| 211 | |
| 212 | return CMD_SUCCESS; |
| 213 | } |
| 214 | |
| 215 | DEFUN(cfg_nse_remoterole, cfg_nse_remoterole_cmd, |
| 216 | "nse <0-65535> remote-role (sgsn|bss)", |
| 217 | NSE_CMD_STR |
| 218 | "Remote NSE Role\n" |
| 219 | "Remote Peer is SGSN\n" |
| 220 | "Remote Peer is BSS\n") |
| 221 | { |
| 222 | uint16_t nsei = atoi(argv[0]); |
| 223 | struct gprs_nsvc *nsvc; |
| 224 | |
| 225 | nsvc = nsvc_by_nsei(vty_nsi, nsei); |
| 226 | if (!nsvc) { |
| 227 | vty_out(vty, "No such NSE (%u)%s", nsei, VTY_NEWLINE); |
| 228 | return CMD_WARNING; |
| 229 | } |
| 230 | |
| 231 | if (!strcmp(argv[1], "sgsn")) |
| 232 | nsvc->remote_end_is_sgsn = 1; |
| 233 | else |
| 234 | nsvc->remote_end_is_sgsn = 0; |
| 235 | |
| 236 | return CMD_SUCCESS; |
| 237 | } |
| 238 | |
| 239 | DEFUN(cfg_no_nse, cfg_no_nse_cmd, |
| 240 | "no nse <0-65535>", |
| 241 | "Delete NS Entity\n" |
| 242 | "Delete " NSE_CMD_STR) |
| 243 | { |
| 244 | uint16_t nsei = atoi(argv[0]); |
| 245 | struct gprs_nsvc *nsvc; |
| 246 | |
| 247 | nsvc = nsvc_by_nsei(vty_nsi, nsei); |
| 248 | if (!nsvc) { |
| 249 | vty_out(vty, "No such NSE (%u)%s", nsei, VTY_NEWLINE); |
| 250 | return CMD_WARNING; |
| 251 | } |
| 252 | |
| 253 | nsvc_delete(nsvc); |
| 254 | |
| 255 | return CMD_SUCCESS; |
| 256 | } |
| 257 | |
| 258 | DEFUN(cfg_ns_timer, cfg_ns_timer_cmd, |
| 259 | "timer " NS_TIMERS " <0-65535>", |
| 260 | "Network Service Timer\n" |
| 261 | NS_TIMERS_HELP "Timer Value\n") |
| 262 | { |
| 263 | int idx = get_string_value(gprs_ns_timer_strs, argv[0]); |
| 264 | int val = atoi(argv[1]); |
| 265 | |
| 266 | if (idx < 0 || idx >= ARRAY_SIZE(vty_nsi->timeout)) |
| 267 | return CMD_WARNING; |
| 268 | |
| 269 | vty_nsi->timeout[idx] = val; |
| 270 | |
| 271 | return CMD_SUCCESS; |
| 272 | } |
| 273 | |
| 274 | int gprs_ns_vty_init(struct gprs_ns_inst *nsi) |
| 275 | { |
| 276 | vty_nsi = nsi; |
| 277 | |
| 278 | install_element_ve(&show_ns_cmd); |
Harald Welte | 73b2359 | 2010-05-13 12:32:30 +0200 | [diff] [blame] | 279 | install_element_ve(&show_ns_stats_cmd); |
Harald Welte | f2b4cd7 | 2010-05-13 11:45:07 +0200 | [diff] [blame] | 280 | |
| 281 | install_element(CONFIG_NODE, &cfg_ns_cmd); |
| 282 | install_node(&ns_node, config_write_ns); |
| 283 | install_default(NS_NODE); |
| 284 | install_element(NS_NODE, &cfg_nse_nsvci_cmd); |
| 285 | install_element(NS_NODE, &cfg_nse_remoteip_cmd); |
| 286 | install_element(NS_NODE, &cfg_nse_remoteport_cmd); |
| 287 | install_element(NS_NODE, &cfg_nse_remoterole_cmd); |
| 288 | install_element(NS_NODE, &cfg_no_nse_cmd); |
| 289 | install_element(NS_NODE, &cfg_ns_timer_cmd); |
| 290 | |
| 291 | return 0; |
| 292 | } |