+++ /dev/null
-/*
- * Copyright (C)2006 USAGI/WIDE Project
- *
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-/*
- * based on ipneigh.c
- */
-/*
- * Authors:
- * Masahide NAKAMURA @USAGI
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/time.h>
-#include <time.h>
-
-#include "utils.h"
-#include "ip_common.h"
-
-static struct
-{
- int family;
- int index;
-#define NONE_DEV (-1)
- char name[1024];
-} filter;
-
-static void usage(void) __attribute__((noreturn));
-
-static void usage(void)
-{
- fprintf(stderr,
- "Usage: ip ntable change name NAME [ dev DEV ]\n"
- " [ thresh1 VAL ] [ thresh2 VAL ] [ thresh3 VAL ] [ gc_int MSEC ]\n"
- " [ PARMS ]\n"
- "Usage: ip ntable show [ dev DEV ] [ name NAME ]\n"
-
- "PARMS := [ base_reachable MSEC ] [ retrans MSEC ] [ gc_stale MSEC ]\n"
- " [ delay_probe MSEC ] [ queue LEN ]\n"
- " [ app_probs VAL ] [ ucast_probes VAL ] [ mcast_probes VAL ]\n"
- " [ anycast_delay MSEC ] [ proxy_delay MSEC ] [ proxy_queue LEN ]\n"
- " [ locktime MSEC ]\n"
- );
-
- exit(-1);
-}
-
-static int ipntable_modify(int cmd, int flags, int argc, char **argv)
-{
- struct {
- struct nlmsghdr n;
- struct ndtmsg ndtm;
- char buf[1024];
- } req;
- char *namep = NULL;
- char *threshsp = NULL;
- char *gc_intp = NULL;
- char parms_buf[1024];
- struct rtattr *parms_rta = (struct rtattr *)parms_buf;
- int parms_change = 0;
-
- memset(&req, 0, sizeof(req));
-
- req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ndtmsg));
- req.n.nlmsg_flags = NLM_F_REQUEST|flags;
- req.n.nlmsg_type = cmd;
-
- req.ndtm.ndtm_family = preferred_family;
- req.ndtm.ndtm_pad1 = 0;
- req.ndtm.ndtm_pad2 = 0;
-
- memset(&parms_buf, 0, sizeof(parms_buf));
-
- parms_rta->rta_type = NDTA_PARMS;
- parms_rta->rta_len = RTA_LENGTH(0);
-
- while (argc > 0) {
- if (strcmp(*argv, "name") == 0) {
- int len;
-
- NEXT_ARG();
- if (namep)
- duparg("NAME", *argv);
-
- namep = *argv;
- len = strlen(namep) + 1;
- addattr_l(&req.n, sizeof(req), NDTA_NAME, namep, len);
- } else if (strcmp(*argv, "thresh1") == 0) {
- __u32 thresh1;
-
- NEXT_ARG();
- threshsp = *argv;
-
- if (get_u32(&thresh1, *argv, 0))
- invarg("\"thresh1\" value is invalid", *argv);
-
- addattr32(&req.n, sizeof(req), NDTA_THRESH1, thresh1);
- } else if (strcmp(*argv, "thresh2") == 0) {
- __u32 thresh2;
-
- NEXT_ARG();
- threshsp = *argv;
-
- if (get_u32(&thresh2, *argv, 0))
- invarg("\"thresh2\" value is invalid", *argv);
-
- addattr32(&req.n, sizeof(req), NDTA_THRESH2, thresh2);
- } else if (strcmp(*argv, "thresh3") == 0) {
- __u32 thresh3;
-
- NEXT_ARG();
- threshsp = *argv;
-
- if (get_u32(&thresh3, *argv, 0))
- invarg("\"thresh3\" value is invalid", *argv);
-
- addattr32(&req.n, sizeof(req), NDTA_THRESH3, thresh3);
- } else if (strcmp(*argv, "gc_int") == 0) {
- __u64 gc_int;
-
- NEXT_ARG();
- gc_intp = *argv;
-
- if (get_u64(&gc_int, *argv, 0))
- invarg("\"gc_int\" value is invalid", *argv);
-
- addattr_l(&req.n, sizeof(req), NDTA_GC_INTERVAL,
- &gc_int, sizeof(gc_int));
- } else if (strcmp(*argv, "dev") == 0) {
- __u32 ifindex;
-
- NEXT_ARG();
- ifindex = ll_name_to_index(*argv);
- if (ifindex == 0) {
- fprintf(stderr, "Cannot find device \"%s\"\n", *argv);
- return -1;
- }
-
- rta_addattr32(parms_rta, sizeof(parms_buf),
- NDTPA_IFINDEX, ifindex);
- } else if (strcmp(*argv, "base_reachable") == 0) {
- __u64 breachable;
-
- NEXT_ARG();
-
- if (get_u64(&breachable, *argv, 0))
- invarg("\"base_reachable\" value is invalid", *argv);
-
- rta_addattr_l(parms_rta, sizeof(parms_buf),
- NDTPA_BASE_REACHABLE_TIME,
- &breachable, sizeof(breachable));
- parms_change = 1;
- } else if (strcmp(*argv, "retrans") == 0) {
- __u64 retrans;
-
- NEXT_ARG();
-
- if (get_u64(&retrans, *argv, 0))
- invarg("\"retrans\" value is invalid", *argv);
-
- rta_addattr_l(parms_rta, sizeof(parms_buf),
- NDTPA_RETRANS_TIME,
- &retrans, sizeof(retrans));
- parms_change = 1;
- } else if (strcmp(*argv, "gc_stale") == 0) {
- __u64 gc_stale;
-
- NEXT_ARG();
-
- if (get_u64(&gc_stale, *argv, 0))
- invarg("\"gc_stale\" value is invalid", *argv);
-
- rta_addattr_l(parms_rta, sizeof(parms_buf),
- NDTPA_GC_STALETIME,
- &gc_stale, sizeof(gc_stale));
- parms_change = 1;
- } else if (strcmp(*argv, "delay_probe") == 0) {
- __u64 delay_probe;
-
- NEXT_ARG();
-
- if (get_u64(&delay_probe, *argv, 0))
- invarg("\"delay_probe\" value is invalid", *argv);
-
- rta_addattr_l(parms_rta, sizeof(parms_buf),
- NDTPA_DELAY_PROBE_TIME,
- &delay_probe, sizeof(delay_probe));
- parms_change = 1;
- } else if (strcmp(*argv, "queue") == 0) {
- __u32 queue;
-
- NEXT_ARG();
-
- if (get_u32(&queue, *argv, 0))
- invarg("\"queue\" value is invalid", *argv);
-
- if (!parms_rta)
- parms_rta = (struct rtattr *)&parms_buf;
- rta_addattr32(parms_rta, sizeof(parms_buf),
- NDTPA_QUEUE_LEN, queue);
- parms_change = 1;
- } else if (strcmp(*argv, "app_probes") == 0) {
- __u32 aprobe;
-
- NEXT_ARG();
-
- if (get_u32(&aprobe, *argv, 0))
- invarg("\"app_probes\" value is invalid", *argv);
-
- rta_addattr32(parms_rta, sizeof(parms_buf),
- NDTPA_APP_PROBES, aprobe);
- parms_change = 1;
- } else if (strcmp(*argv, "ucast_probes") == 0) {
- __u32 uprobe;
-
- NEXT_ARG();
-
- if (get_u32(&uprobe, *argv, 0))
- invarg("\"ucast_probes\" value is invalid", *argv);
-
- rta_addattr32(parms_rta, sizeof(parms_buf),
- NDTPA_UCAST_PROBES, uprobe);
- parms_change = 1;
- } else if (strcmp(*argv, "mcast_probes") == 0) {
- __u32 mprobe;
-
- NEXT_ARG();
-
- if (get_u32(&mprobe, *argv, 0))
- invarg("\"mcast_probes\" value is invalid", *argv);
-
- rta_addattr32(parms_rta, sizeof(parms_buf),
- NDTPA_MCAST_PROBES, mprobe);
- parms_change = 1;
- } else if (strcmp(*argv, "anycast_delay") == 0) {
- __u64 anycast_delay;
-
- NEXT_ARG();
-
- if (get_u64(&anycast_delay, *argv, 0))
- invarg("\"anycast_delay\" value is invalid", *argv);
-
- rta_addattr_l(parms_rta, sizeof(parms_buf),
- NDTPA_ANYCAST_DELAY,
- &anycast_delay, sizeof(anycast_delay));
- parms_change = 1;
- } else if (strcmp(*argv, "proxy_delay") == 0) {
- __u64 proxy_delay;
-
- NEXT_ARG();
-
- if (get_u64(&proxy_delay, *argv, 0))
- invarg("\"proxy_delay\" value is invalid", *argv);
-
- rta_addattr_l(parms_rta, sizeof(parms_buf),
- NDTPA_PROXY_DELAY,
- &proxy_delay, sizeof(proxy_delay));
- parms_change = 1;
- } else if (strcmp(*argv, "proxy_queue") == 0) {
- __u32 pqueue;
-
- NEXT_ARG();
-
- if (get_u32(&pqueue, *argv, 0))
- invarg("\"proxy_queue\" value is invalid", *argv);
-
- rta_addattr32(parms_rta, sizeof(parms_buf),
- NDTPA_PROXY_QLEN, pqueue);
- parms_change = 1;
- } else if (strcmp(*argv, "locktime") == 0) {
- __u64 locktime;
-
- NEXT_ARG();
-
- if (get_u64(&locktime, *argv, 0))
- invarg("\"locktime\" value is invalid", *argv);
-
- rta_addattr_l(parms_rta, sizeof(parms_buf),
- NDTPA_LOCKTIME,
- &locktime, sizeof(locktime));
- parms_change = 1;
- } else {
- invarg("unknown", *argv);
- }
-
- argc--; argv++;
- }
-
- if (!namep)
- missarg("NAME");
- if (!threshsp && !gc_intp && !parms_change) {
- fprintf(stderr, "Not enough information: changable attributes required.\n");
- exit(-1);
- }
-
- if (parms_rta->rta_len > RTA_LENGTH(0)) {
- addattr_l(&req.n, sizeof(req), NDTA_PARMS, RTA_DATA(parms_rta),
- RTA_PAYLOAD(parms_rta));
- }
-
- if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)
- exit(2);
-
- return 0;
-}
-
-static const char *ntable_strtime_delta(__u32 msec)
-{
- static char str[32];
- struct timeval now;
- time_t t;
- struct tm *tp;
-
- if (msec == 0)
- goto error;
-
- memset(&now, 0, sizeof(now));
-
- if (gettimeofday(&now, NULL) < 0) {
- perror("gettimeofday");
- goto error;
- }
-
- t = now.tv_sec - (msec / 1000);
- tp = localtime(&t);
- if (!tp)
- goto error;
-
- strftime(str, sizeof(str), "%Y-%m-%d %T", tp);
-
- return str;
- error:
- strcpy(str, "(error)");
- return str;
-}
-
-int print_ntable(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
-{
- FILE *fp = (FILE*)arg;
- struct ndtmsg *ndtm = NLMSG_DATA(n);
- int len = n->nlmsg_len;
- struct rtattr *tb[NDTA_MAX+1];
- struct rtattr *tpb[NDTPA_MAX+1];
- int ret;
-
- if (n->nlmsg_type != RTM_NEWNEIGHTBL) {
- fprintf(stderr, "Not NEIGHTBL: %08x %08x %08x\n",
- n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
- return 0;
- }
- len -= NLMSG_LENGTH(sizeof(*ndtm));
- if (len < 0) {
- fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
- return -1;
- }
-
- if (preferred_family && preferred_family != ndtm->ndtm_family)
- return 0;
-
- parse_rtattr(tb, NDTA_MAX, NDTA_RTA(ndtm),
- n->nlmsg_len - NLMSG_LENGTH(sizeof(*ndtm)));
-
- if (tb[NDTA_NAME]) {
- char *name = RTA_DATA(tb[NDTA_NAME]);
-
- if (strlen(filter.name) > 0 && strcmp(filter.name, name))
- return 0;
- }
- if (tb[NDTA_PARMS]) {
- parse_rtattr(tpb, NDTPA_MAX, RTA_DATA(tb[NDTA_PARMS]),
- RTA_PAYLOAD(tb[NDTA_PARMS]));
-
- if (tpb[NDTPA_IFINDEX]) {
- __u32 ifindex = *(__u32 *)RTA_DATA(tpb[NDTPA_IFINDEX]);
-
- if (filter.index && filter.index != ifindex)
- return 0;
- } else {
- if (filter.index && filter.index != NONE_DEV)
- return 0;
- }
- }
-
- if (ndtm->ndtm_family == AF_INET)
- fprintf(fp, "inet ");
- else if (ndtm->ndtm_family == AF_INET6)
- fprintf(fp, "inet6 ");
- else if (ndtm->ndtm_family == AF_DECnet)
- fprintf(fp, "dnet ");
- else
- fprintf(fp, "(%d) ", ndtm->ndtm_family);
-
- if (tb[NDTA_NAME]) {
- char *name = RTA_DATA(tb[NDTA_NAME]);
- fprintf(fp, "%s ", name);
- }
-
- fprintf(fp, "%s", _SL_);
-
- ret = (tb[NDTA_THRESH1] || tb[NDTA_THRESH2] || tb[NDTA_THRESH3] ||
- tb[NDTA_GC_INTERVAL]);
- if (ret)
- fprintf(fp, " ");
-
- if (tb[NDTA_THRESH1]) {
- __u32 thresh1 = *(__u32 *)RTA_DATA(tb[NDTA_THRESH1]);
- fprintf(fp, "thresh1 %u ", thresh1);
- }
- if (tb[NDTA_THRESH2]) {
- __u32 thresh2 = *(__u32 *)RTA_DATA(tb[NDTA_THRESH2]);
- fprintf(fp, "thresh2 %u ", thresh2);
- }
- if (tb[NDTA_THRESH3]) {
- __u32 thresh3 = *(__u32 *)RTA_DATA(tb[NDTA_THRESH3]);
- fprintf(fp, "thresh3 %u ", thresh3);
- }
- if (tb[NDTA_GC_INTERVAL]) {
- __u64 gc_int = *(__u64 *)RTA_DATA(tb[NDTA_GC_INTERVAL]);
- fprintf(fp, "gc_int %llu ", gc_int);
- }
-
- if (ret)
- fprintf(fp, "%s", _SL_);
-
- if (tb[NDTA_CONFIG] && show_stats) {
- struct ndt_config *ndtc = RTA_DATA(tb[NDTA_CONFIG]);
-
- fprintf(fp, " ");
- fprintf(fp, "config ");
-
- fprintf(fp, "key_len %u ", ndtc->ndtc_key_len);
- fprintf(fp, "entry_size %u ", ndtc->ndtc_entry_size);
- fprintf(fp, "entries %u ", ndtc->ndtc_entries);
-
- fprintf(fp, "%s", _SL_);
- fprintf(fp, " ");
-
- fprintf(fp, "last_flush %s ",
- ntable_strtime_delta(ndtc->ndtc_last_flush));
- fprintf(fp, "last_rand %s ",
- ntable_strtime_delta(ndtc->ndtc_last_rand));
-
- fprintf(fp, "%s", _SL_);
- fprintf(fp, " ");
-
- fprintf(fp, "hash_rnd %u ", ndtc->ndtc_hash_rnd);
- fprintf(fp, "hash_mask %08x ", ndtc->ndtc_hash_mask);
-
- fprintf(fp, "hash_chain_gc %u ", ndtc->ndtc_hash_chain_gc);
- fprintf(fp, "proxy_qlen %u ", ndtc->ndtc_proxy_qlen);
-
- fprintf(fp, "%s", _SL_);
- }
-
- if (tb[NDTA_PARMS]) {
- if (tpb[NDTPA_IFINDEX]) {
- __u32 ifindex = *(__u32 *)RTA_DATA(tpb[NDTPA_IFINDEX]);
-
- fprintf(fp, " ");
- fprintf(fp, "dev %s ", ll_index_to_name(ifindex));
- fprintf(fp, "%s", _SL_);
- }
-
- fprintf(fp, " ");
-
- if (tpb[NDTPA_REFCNT]) {
- __u32 refcnt = *(__u32 *)RTA_DATA(tpb[NDTPA_REFCNT]);
- fprintf(fp, "refcnt %u ", refcnt);
- }
- if (tpb[NDTPA_REACHABLE_TIME]) {
- __u64 reachable = *(__u64 *)RTA_DATA(tpb[NDTPA_REACHABLE_TIME]);
- fprintf(fp, "reachable %llu ", reachable);
- }
- if (tpb[NDTPA_BASE_REACHABLE_TIME]) {
- __u64 breachable = *(__u64 *)RTA_DATA(tpb[NDTPA_BASE_REACHABLE_TIME]);
- fprintf(fp, "base_reachable %llu ", breachable);
- }
- if (tpb[NDTPA_RETRANS_TIME]) {
- __u64 retrans = *(__u64 *)RTA_DATA(tpb[NDTPA_RETRANS_TIME]);
- fprintf(fp, "retrans %llu ", retrans);
- }
-
- fprintf(fp, "%s", _SL_);
-
- fprintf(fp, " ");
-
- if (tpb[NDTPA_GC_STALETIME]) {
- __u64 gc_stale = *(__u64 *)RTA_DATA(tpb[NDTPA_GC_STALETIME]);
- fprintf(fp, "gc_stale %llu ", gc_stale);
- }
- if (tpb[NDTPA_DELAY_PROBE_TIME]) {
- __u64 delay_probe = *(__u64 *)RTA_DATA(tpb[NDTPA_DELAY_PROBE_TIME]);
- fprintf(fp, "delay_probe %llu ", delay_probe);
- }
- if (tpb[NDTPA_QUEUE_LEN]) {
- __u32 queue = *(__u32 *)RTA_DATA(tpb[NDTPA_QUEUE_LEN]);
- fprintf(fp, "queue %u ", queue);
- }
-
- fprintf(fp, "%s", _SL_);
-
- fprintf(fp, " ");
-
- if (tpb[NDTPA_APP_PROBES]) {
- __u32 aprobe = *(__u32 *)RTA_DATA(tpb[NDTPA_APP_PROBES]);
- fprintf(fp, "app_probes %u ", aprobe);
- }
- if (tpb[NDTPA_UCAST_PROBES]) {
- __u32 uprobe = *(__u32 *)RTA_DATA(tpb[NDTPA_UCAST_PROBES]);
- fprintf(fp, "ucast_probes %u ", uprobe);
- }
- if (tpb[NDTPA_MCAST_PROBES]) {
- __u32 mprobe = *(__u32 *)RTA_DATA(tpb[NDTPA_MCAST_PROBES]);
- fprintf(fp, "mcast_probes %u ", mprobe);
- }
-
- fprintf(fp, "%s", _SL_);
-
- fprintf(fp, " ");
-
- if (tpb[NDTPA_ANYCAST_DELAY]) {
- __u64 anycast_delay = *(__u64 *)RTA_DATA(tpb[NDTPA_ANYCAST_DELAY]);
- fprintf(fp, "anycast_delay %llu ", anycast_delay);
- }
- if (tpb[NDTPA_PROXY_DELAY]) {
- __u64 proxy_delay = *(__u64 *)RTA_DATA(tpb[NDTPA_PROXY_DELAY]);
- fprintf(fp, "proxy_delay %llu ", proxy_delay);
- }
- if (tpb[NDTPA_PROXY_QLEN]) {
- __u32 pqueue = *(__u32 *)RTA_DATA(tpb[NDTPA_PROXY_QLEN]);
- fprintf(fp, "proxy_queue %u ", pqueue);
- }
- if (tpb[NDTPA_LOCKTIME]) {
- __u64 locktime = *(__u64 *)RTA_DATA(tpb[NDTPA_LOCKTIME]);
- fprintf(fp, "locktime %llu ", locktime);
- }
-
- fprintf(fp, "%s", _SL_);
- }
-
- if (tb[NDTA_STATS] && show_stats) {
- struct ndt_stats *ndts = RTA_DATA(tb[NDTA_STATS]);
-
- fprintf(fp, " ");
- fprintf(fp, "stats ");
-
- fprintf(fp, "allocs %llu ", ndts->ndts_allocs);
- fprintf(fp, "destroys %llu ", ndts->ndts_destroys);
- fprintf(fp, "hash_grows %llu ", ndts->ndts_hash_grows);
-
- fprintf(fp, "%s", _SL_);
- fprintf(fp, " ");
-
- fprintf(fp, "res_failed %llu ", ndts->ndts_res_failed);
- fprintf(fp, "lookups %llu ", ndts->ndts_lookups);
- fprintf(fp, "hits %llu ", ndts->ndts_hits);
-
- fprintf(fp, "%s", _SL_);
- fprintf(fp, " ");
-
- fprintf(fp, "rcv_probes_mcast %llu ", ndts->ndts_rcv_probes_mcast);
- fprintf(fp, "rcv_probes_ucast %llu ", ndts->ndts_rcv_probes_ucast);
-
- fprintf(fp, "%s", _SL_);
- fprintf(fp, " ");
-
- fprintf(fp, "periodic_gc_runs %llu ", ndts->ndts_periodic_gc_runs);
- fprintf(fp, "forced_gc_runs %llu ", ndts->ndts_forced_gc_runs);
-
- fprintf(fp, "%s", _SL_);
- }
-
- fprintf(fp, "\n");
-
- fflush(fp);
- return 0;
-}
-
-void ipntable_reset_filter(void)
-{
- memset(&filter, 0, sizeof(filter));
-}
-
-static int ipntable_show(int argc, char **argv)
-{
- ipntable_reset_filter();
-
- filter.family = preferred_family;
-
- while (argc > 0) {
- if (strcmp(*argv, "dev") == 0) {
- NEXT_ARG();
-
- if (strcmp("none", *argv) == 0)
- filter.index = NONE_DEV;
- else if ((filter.index = ll_name_to_index(*argv)) == 0)
- invarg("\"DEV\" is invalid", *argv);
- } else if (strcmp(*argv, "name") == 0) {
- NEXT_ARG();
-
- strncpy(filter.name, *argv, sizeof(filter.name));
- } else
- invarg("unknown", *argv);
-
- argc--; argv++;
- }
-
- if (rtnl_wilddump_request(&rth, preferred_family, RTM_GETNEIGHTBL) < 0) {
- perror("Cannot send dump request");
- exit(1);
- }
-
- if (rtnl_dump_filter(&rth, print_ntable, stdout, NULL, NULL) < 0) {
- fprintf(stderr, "Dump terminated\n");
- exit(1);
- }
-
- return 0;
-}
-
-int do_ipntable(int argc, char **argv)
-{
- ll_init_map(&rth);
-
- if (argc > 0) {
- if (matches(*argv, "change") == 0 ||
- matches(*argv, "chg") == 0)
- return ipntable_modify(RTM_SETNEIGHTBL,
- NLM_F_REPLACE,
- argc-1, argv+1);
- if (matches(*argv, "show") == 0 ||
- matches(*argv, "lst") == 0 ||
- matches(*argv, "list") == 0)
- return ipntable_show(argc-1, argv+1);
- if (matches(*argv, "help") == 0)
- usage();
- } else
- return ipntable_show(0, NULL);
-
- fprintf(stderr, "Command \"%s\" is unknown, try \"ip ntable help\".\n", *argv);
- exit(-1);
-}
git://git.onelab.eu / iproute2.git / blobdiff