117 lines
3.4 KiB
C
117 lines
3.4 KiB
C
/* VTY interface for our GPRS LLC 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 Affero General Public License as published by
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* the Free Software Foundation; either version 3 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero 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 <time.h>
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#include <arpa/inet.h>
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#include <openbsc/gsm_data.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 <openbsc/debug.h>
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#include <openbsc/signal.h>
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#include <openbsc/gprs_llc.h>
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#include <osmocom/vty/vty.h>
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#include <osmocom/vty/command.h>
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struct value_string gprs_llc_state_strs[] = {
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{ GPRS_LLES_UNASSIGNED, "TLLI Unassigned" },
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{ GPRS_LLES_ASSIGNED_ADM, "TLLI Assigned" },
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{ GPRS_LLES_LOCAL_EST, "Local Establishment" },
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{ GPRS_LLES_REMOTE_EST, "Remote Establishment" },
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{ GPRS_LLES_ABM, "Asynchronous Balanced Mode" },
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{ GPRS_LLES_LOCAL_REL, "Local Release" },
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{ GPRS_LLES_TIMER_REC, "Timer Recovery" },
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{ 0, NULL }
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};
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static void vty_dump_lle(struct vty *vty, struct gprs_llc_lle *lle)
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{
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struct gprs_llc_params *par = &lle->params;
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vty_out(vty, " SAPI %2u State %s VUsend=%u, VUrecv=%u", lle->sapi,
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get_value_string(gprs_llc_state_strs, lle->state),
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lle->vu_send, lle->vu_recv);
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vty_out(vty, " Vsent=%u Vack=%u Vrecv=%u, RetransCtr=%u%s",
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lle->v_sent, lle->v_ack, lle->v_recv,
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lle->retrans_ctr, VTY_NEWLINE);
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vty_out(vty, " T200=%u, N200=%u, N201-U=%u, N201-I=%u, mD=%u, "
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"mU=%u, kD=%u, kU=%u%s", par->t200_201, par->n200,
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par->n201_u, par->n201_i, par->mD, par->mU, par->kD,
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par->kU, VTY_NEWLINE);
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}
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static uint8_t valid_sapis[] = { 1, 2, 3, 5, 7, 8, 9, 11 };
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static void vty_dump_llme(struct vty *vty, struct gprs_llc_llme *llme)
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{
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unsigned int i;
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struct timespec now_tp = {0};
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clock_gettime(CLOCK_MONOTONIC, &now_tp);
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vty_out(vty, "TLLI %08x (Old TLLI %08x) BVCI=%u NSEI=%u %s: "
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"IOV-UI=0x%06x CKSN=%d Age=%d: State %s%s", llme->tlli,
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llme->old_tlli, llme->bvci, llme->nsei,
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get_value_string(gprs_cipher_names, llme->algo), llme->iov_ui,
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llme->cksn, llme->age_timestamp == GPRS_LLME_RESET_AGE ? 0 :
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(int)(now_tp.tv_sec - (time_t)llme->age_timestamp),
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get_value_string(gprs_llc_state_strs, llme->state), VTY_NEWLINE);
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for (i = 0; i < ARRAY_SIZE(valid_sapis); i++) {
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struct gprs_llc_lle *lle;
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uint8_t sapi = valid_sapis[i];
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if (sapi >= ARRAY_SIZE(llme->lle))
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continue;
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lle = &llme->lle[sapi];
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vty_dump_lle(vty, lle);
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}
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}
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DEFUN(show_llc, show_llc_cmd,
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"show llc",
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SHOW_STR "Display information about the LLC protocol")
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{
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struct gprs_llc_llme *llme;
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vty_out(vty, "State of LLC Entities%s", VTY_NEWLINE);
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llist_for_each_entry(llme, &gprs_llc_llmes, list) {
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vty_dump_llme(vty, llme);
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}
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return CMD_SUCCESS;
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}
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int gprs_llc_vty_init(void)
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{
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install_element_ve(&show_llc_cmd);
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return 0;
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}
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