mirror of https://gerrit.osmocom.org/libosmocore
219 lines
5.7 KiB
C
219 lines
5.7 KiB
C
/* VTY interface for our GPRS BSS Gateway Protocol (BSSGP) implementation */
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/* (C) 2010 by Harald Welte <laforge@gnumonks.org>
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include <stdint.h>
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#include <arpa/inet.h>
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#include <osmocom/core/msgb.h>
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#include <osmocom/gsm/tlv.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/core/select.h>
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#include <osmocom/core/rate_ctr.h>
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#include <osmocom/gprs/gprs_ns.h>
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#include <osmocom/gprs/gprs_bssgp.h>
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#include <osmocom/gprs/gprs_bssgp_bss.h>
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#include <osmocom/vty/vty.h>
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#include <osmocom/vty/command.h>
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#include <osmocom/vty/logging.h>
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#include <osmocom/vty/telnet_interface.h>
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#include <osmocom/vty/misc.h>
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#include "common_vty.h"
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static void log_set_bvc_filter(struct log_target *target,
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struct bssgp_bvc_ctx *bctx)
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{
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if (bctx) {
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target->filter_map |= (1 << LOG_FLT_GB_BVC);
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target->filter_data[LOG_FLT_GB_BVC] = bctx;
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} else if (target->filter_data[LOG_FLT_GB_BVC]) {
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target->filter_map = ~(1 << LOG_FLT_GB_BVC);
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target->filter_data[LOG_FLT_GB_BVC] = NULL;
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}
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}
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static struct cmd_node bssgp_node = {
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L_BSSGP_NODE,
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"%s(bssgp)#",
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1,
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};
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static int config_write_bssgp(struct vty *vty)
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{
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vty_out(vty, "bssgp%s", VTY_NEWLINE);
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return CMD_SUCCESS;
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}
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DEFUN(cfg_bssgp, cfg_bssgp_cmd,
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"bssgp",
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"Configure the GPRS BSS Gateway Protocol")
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{
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vty->node = L_BSSGP_NODE;
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return CMD_SUCCESS;
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}
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static void dump_bvc(struct vty *vty, struct bssgp_bvc_ctx *bvc, int stats)
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{
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vty_out(vty, "NSEI %5u, BVCI %5u, RA-ID: %u-%u-%u-%u, CID: %u, "
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"STATE: %s%s", bvc->nsei, bvc->bvci, bvc->ra_id.mcc,
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bvc->ra_id.mnc, bvc->ra_id.lac, bvc->ra_id.rac, bvc->cell_id,
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bvc->state & BVC_S_BLOCKED ? "BLOCKED" : "UNBLOCKED",
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VTY_NEWLINE);
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if (stats) {
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struct bssgp_flow_control *fc = bvc->fc;
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vty_out_rate_ctr_group(vty, " ", bvc->ctrg);
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if (fc)
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vty_out(vty, "FC-BVC(bucket_max: %uoct, leak_rate: "
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"%uoct/s, cur_tokens: %uoct, max_q_d: %u, "
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"cur_q_d: %u)%s", fc->bucket_size_max,
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fc->bucket_leak_rate, fc->bucket_counter,
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fc->max_queue_depth, fc->queue_depth,
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VTY_NEWLINE);
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}
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}
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static void dump_bssgp(struct vty *vty, int stats)
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{
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struct bssgp_bvc_ctx *bvc;
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llist_for_each_entry(bvc, &bssgp_bvc_ctxts, list) {
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dump_bvc(vty, bvc, stats);
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}
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}
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DEFUN(bvc_reset, bvc_reset_cmd,
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"bssgp bvc nsei <0-65535> bvci <0-65535> reset",
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"Initiate BVC RESET procedure for a given NSEI and BVCI\n"
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"Filter based on BSSGP Virtual Connection\n"
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"NSEI of the BVC to be filtered\n"
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"Network Service Entity Identifier (NSEI)\n"
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"BVCI of the BVC to be filtered\n"
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"BSSGP Virtual Connection Identifier (BVCI)\n"
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"Perform reset procedure\n")
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{
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int r;
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uint16_t nsei = atoi(argv[0]), bvci = atoi(argv[1]);
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struct bssgp_bvc_ctx *bvc = btsctx_by_bvci_nsei(bvci, nsei);
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if (!bvc) {
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vty_out(vty, "No BVC for NSEI %d BVCI %d%s", nsei, bvci,
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VTY_NEWLINE);
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return CMD_WARNING;
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}
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r = bssgp_tx_bvc_reset(bvc, bvci, BSSGP_CAUSE_OML_INTERV);
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vty_out(vty, "Sent BVC RESET for NSEI %d BVCI %d: %d%s", nsei, bvci, r,
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VTY_NEWLINE);
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return CMD_SUCCESS;
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}
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#define BSSGP_STR "Show information about the BSSGP protocol\n"
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DEFUN(show_bssgp, show_bssgp_cmd, "show bssgp",
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SHOW_STR BSSGP_STR)
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{
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dump_bssgp(vty, 0);
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return CMD_SUCCESS;
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}
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DEFUN(show_bssgp_stats, show_bssgp_stats_cmd, "show bssgp stats",
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SHOW_STR BSSGP_STR
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"Include statistics\n")
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{
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dump_bssgp(vty, 1);
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return CMD_SUCCESS;
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}
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DEFUN(show_bvc, show_bvc_cmd, "show bssgp nsei <0-65535> [stats]",
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SHOW_STR BSSGP_STR
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"Show all BVCs on one NSE\n"
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"The NSEI\n" "Include Statistics\n")
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{
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struct bssgp_bvc_ctx *bvc;
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uint16_t nsei = atoi(argv[0]);
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int show_stats = 0;
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if (argc >= 2)
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show_stats = 1;
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llist_for_each_entry(bvc, &bssgp_bvc_ctxts, list) {
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if (bvc->nsei != nsei)
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continue;
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dump_bvc(vty, bvc, show_stats);
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}
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return CMD_SUCCESS;
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}
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DEFUN(logging_fltr_bvc,
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logging_fltr_bvc_cmd,
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"logging filter bvc nsei <0-65535> bvci <0-65535>",
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LOGGING_STR FILTER_STR
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"Filter based on BSSGP Virtual Connection\n"
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"NSEI of the BVC to be filtered\n"
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"Network Service Entity Identifier (NSEI)\n"
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"BVCI of the BVC to be filtered\n"
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"BSSGP Virtual Connection Identifier (BVCI)\n")
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{
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struct log_target *tgt = osmo_log_vty2tgt(vty);
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struct bssgp_bvc_ctx *bvc;
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uint16_t nsei = atoi(argv[0]);
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uint16_t bvci = atoi(argv[1]);
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if (!tgt)
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return CMD_WARNING;
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bvc = btsctx_by_bvci_nsei(bvci, nsei);
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if (!bvc) {
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vty_out(vty, "No BVC by that identifier%s", VTY_NEWLINE);
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return CMD_WARNING;
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}
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log_set_bvc_filter(tgt, bvc);
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return CMD_SUCCESS;
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}
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int bssgp_vty_init(void)
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{
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install_element_ve(&show_bssgp_cmd);
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install_element_ve(&show_bssgp_stats_cmd);
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install_element_ve(&show_bvc_cmd);
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install_element_ve(&logging_fltr_bvc_cmd);
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install_element_ve(&bvc_reset_cmd);
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install_element(CFG_LOG_NODE, &logging_fltr_bvc_cmd);
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install_element(CONFIG_NODE, &cfg_bssgp_cmd);
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install_node(&bssgp_node, config_write_bssgp);
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install_default(L_BSSGP_NODE);
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install_element(L_BSSGP_NODE, &libgb_exit_cmd);
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install_element(L_BSSGP_NODE, &libgb_end_cmd);
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return 0;
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}
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