| /* |
| * 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, see <http://www.gnu.org/licenses>. |
| */ |
| /* |
| * based on ipneigh.c |
| */ |
| /* |
| * Authors: |
| * Masahide NAKAMURA @USAGI |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <sys/time.h> |
| #include <sys/socket.h> |
| #include <time.h> |
| |
| #include "utils.h" |
| #include "ip_common.h" |
| #include "json_print.h" |
| |
| static struct |
| { |
| int family; |
| int index; |
| #define NONE_DEV (-1) |
| const char *name; |
| } 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_probes 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 = { |
| .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ndtmsg)), |
| .n.nlmsg_flags = NLM_F_REQUEST | flags, |
| .n.nlmsg_type = cmd, |
| .ndtm.ndtm_family = preferred_family, |
| }; |
| 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; |
| |
| 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) |
| return nodev(*argv); |
| |
| 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); |
| |
| 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: changeable 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, 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; |
| |
| 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; |
| } |
| |
| static void print_ndtconfig(const struct ndt_config *ndtc) |
| { |
| |
| print_uint(PRINT_ANY, "key_length", |
| " config key_len %u ", ndtc->ndtc_key_len); |
| print_uint(PRINT_ANY, "entry_size", |
| "entry_size %u ", ndtc->ndtc_entry_size); |
| print_uint(PRINT_ANY, "entries", "entries %u ", ndtc->ndtc_entries); |
| |
| print_nl(); |
| |
| print_string(PRINT_ANY, "last_flush", |
| " last_flush %s ", |
| ntable_strtime_delta(ndtc->ndtc_last_flush)); |
| print_string(PRINT_ANY, "last_rand", |
| "last_rand %s ", |
| ntable_strtime_delta(ndtc->ndtc_last_rand)); |
| |
| print_nl(); |
| |
| print_uint(PRINT_ANY, "hash_rnd", |
| " hash_rnd %u ", ndtc->ndtc_hash_rnd); |
| print_0xhex(PRINT_ANY, "hash_mask", |
| "hash_mask %08llx ", ndtc->ndtc_hash_mask); |
| |
| print_uint(PRINT_ANY, "hash_chain_gc", |
| "hash_chain_gc %u ", ndtc->ndtc_hash_chain_gc); |
| print_uint(PRINT_ANY, "proxy_qlen", |
| "proxy_qlen %u ", ndtc->ndtc_proxy_qlen); |
| |
| print_nl(); |
| } |
| |
| static void print_ndtparams(struct rtattr *tpb[]) |
| { |
| |
| if (tpb[NDTPA_IFINDEX]) { |
| __u32 ifindex = rta_getattr_u32(tpb[NDTPA_IFINDEX]); |
| |
| print_string(PRINT_FP, NULL, " dev ", NULL); |
| print_color_string(PRINT_ANY, COLOR_IFNAME, |
| "dev", "%s ", ll_index_to_name(ifindex)); |
| print_nl(); |
| } |
| |
| print_string(PRINT_FP, NULL, " ", NULL); |
| if (tpb[NDTPA_REFCNT]) { |
| __u32 refcnt = rta_getattr_u32(tpb[NDTPA_REFCNT]); |
| |
| print_uint(PRINT_ANY, "refcnt", "refcnt %u ", refcnt); |
| } |
| |
| if (tpb[NDTPA_REACHABLE_TIME]) { |
| __u64 reachable = rta_getattr_u64(tpb[NDTPA_REACHABLE_TIME]); |
| |
| print_u64(PRINT_ANY, "reachable", |
| "reachable %llu ", reachable); |
| } |
| |
| if (tpb[NDTPA_BASE_REACHABLE_TIME]) { |
| __u64 breachable |
| = rta_getattr_u64(tpb[NDTPA_BASE_REACHABLE_TIME]); |
| |
| print_u64(PRINT_ANY, "base_reachable", |
| "base_reachable %llu ", breachable); |
| } |
| |
| if (tpb[NDTPA_RETRANS_TIME]) { |
| __u64 retrans = rta_getattr_u64(tpb[NDTPA_RETRANS_TIME]); |
| |
| print_u64(PRINT_ANY, "retrans", "retrans %llu ", retrans); |
| } |
| |
| print_string(PRINT_FP, NULL, "%s ", _SL_); |
| |
| if (tpb[NDTPA_GC_STALETIME]) { |
| __u64 gc_stale = rta_getattr_u64(tpb[NDTPA_GC_STALETIME]); |
| |
| print_u64(PRINT_ANY, "gc_stale", "gc_stale %llu ", gc_stale); |
| } |
| |
| if (tpb[NDTPA_DELAY_PROBE_TIME]) { |
| __u64 delay_probe |
| = rta_getattr_u64(tpb[NDTPA_DELAY_PROBE_TIME]); |
| |
| print_u64(PRINT_ANY, "delay_probe", |
| "delay_probe %llu ", delay_probe); |
| } |
| |
| if (tpb[NDTPA_QUEUE_LEN]) { |
| __u32 queue = rta_getattr_u32(tpb[NDTPA_QUEUE_LEN]); |
| |
| print_uint(PRINT_ANY, "queue", "queue %u ", queue); |
| } |
| |
| print_string(PRINT_FP, NULL, "%s ", _SL_); |
| |
| if (tpb[NDTPA_APP_PROBES]) { |
| __u32 aprobe = rta_getattr_u32(tpb[NDTPA_APP_PROBES]); |
| |
| print_uint(PRINT_ANY, "app_probes", "app_probes %u ", aprobe); |
| } |
| |
| if (tpb[NDTPA_UCAST_PROBES]) { |
| __u32 uprobe = rta_getattr_u32(tpb[NDTPA_UCAST_PROBES]); |
| |
| print_uint(PRINT_ANY, "ucast_probes", |
| "ucast_probes %u ", uprobe); |
| } |
| |
| if (tpb[NDTPA_MCAST_PROBES]) { |
| __u32 mprobe = rta_getattr_u32(tpb[NDTPA_MCAST_PROBES]); |
| |
| print_uint(PRINT_ANY, "mcast_probes", |
| "mcast_probes %u ", mprobe); |
| } |
| |
| print_string(PRINT_FP, NULL, "%s ", _SL_); |
| |
| if (tpb[NDTPA_ANYCAST_DELAY]) { |
| __u64 anycast_delay = rta_getattr_u64(tpb[NDTPA_ANYCAST_DELAY]); |
| |
| print_u64(PRINT_ANY, "anycast_delay", |
| "anycast_delay %llu ", anycast_delay); |
| } |
| |
| if (tpb[NDTPA_PROXY_DELAY]) { |
| __u64 proxy_delay = rta_getattr_u64(tpb[NDTPA_PROXY_DELAY]); |
| |
| print_u64(PRINT_ANY, "proxy_delay", |
| "proxy_delay %llu ", proxy_delay); |
| } |
| |
| if (tpb[NDTPA_PROXY_QLEN]) { |
| __u32 pqueue = rta_getattr_u32(tpb[NDTPA_PROXY_QLEN]); |
| |
| print_uint(PRINT_ANY, "proxy_queue", "proxy_queue %u ", pqueue); |
| } |
| |
| if (tpb[NDTPA_LOCKTIME]) { |
| __u64 locktime = rta_getattr_u64(tpb[NDTPA_LOCKTIME]); |
| |
| print_u64(PRINT_ANY, "locktime", "locktime %llu ", locktime); |
| } |
| |
| print_nl(); |
| } |
| |
| static void print_ndtstats(const struct ndt_stats *ndts) |
| { |
| |
| print_string(PRINT_FP, NULL, " stats ", NULL); |
| |
| print_u64(PRINT_ANY, "allocs", "allocs %llu ", ndts->ndts_allocs); |
| print_u64(PRINT_ANY, "destroys", "destroys %llu ", |
| ndts->ndts_destroys); |
| print_u64(PRINT_ANY, "hash_grows", "hash_grows %llu ", |
| ndts->ndts_hash_grows); |
| |
| print_string(PRINT_FP, NULL, "%s ", _SL_); |
| |
| print_u64(PRINT_ANY, "res_failed", "res_failed %llu ", |
| ndts->ndts_res_failed); |
| print_u64(PRINT_ANY, "lookups", "lookups %llu ", ndts->ndts_lookups); |
| print_u64(PRINT_ANY, "hits", "hits %llu ", ndts->ndts_hits); |
| |
| print_string(PRINT_FP, NULL, "%s ", _SL_); |
| |
| print_u64(PRINT_ANY, "rcv_probes_mcast", "rcv_probes_mcast %llu ", |
| ndts->ndts_rcv_probes_mcast); |
| print_u64(PRINT_ANY, "rcv_probes_ucast", "rcv_probes_ucast %llu ", |
| ndts->ndts_rcv_probes_ucast); |
| |
| print_string(PRINT_FP, NULL, "%s ", _SL_); |
| |
| print_u64(PRINT_ANY, "periodic_gc_runs", "periodic_gc_runs %llu ", |
| ndts->ndts_periodic_gc_runs); |
| print_u64(PRINT_ANY, "forced_gc_runs", "forced_gc_runs %llu ", |
| ndts->ndts_forced_gc_runs); |
| |
| print_nl(); |
| } |
| |
| static int print_ntable(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]) { |
| const char *name = rta_getattr_str(tb[NDTA_NAME]); |
| |
| if (filter.name && 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 = rta_getattr_u32(tpb[NDTPA_IFINDEX]); |
| |
| if (filter.index && filter.index != ifindex) |
| return 0; |
| } else { |
| if (filter.index && filter.index != NONE_DEV) |
| return 0; |
| } |
| } |
| |
| open_json_object(NULL); |
| print_string(PRINT_ANY, "family", |
| "%s ", family_name(ndtm->ndtm_family)); |
| |
| if (tb[NDTA_NAME]) { |
| const char *name = rta_getattr_str(tb[NDTA_NAME]); |
| |
| print_string(PRINT_ANY, "name", "%s ", name); |
| } |
| |
| print_nl(); |
| |
| ret = (tb[NDTA_THRESH1] || tb[NDTA_THRESH2] || tb[NDTA_THRESH3] || |
| tb[NDTA_GC_INTERVAL]); |
| if (ret) |
| print_string(PRINT_FP, NULL, " ", NULL); |
| |
| if (tb[NDTA_THRESH1]) { |
| __u32 thresh1 = rta_getattr_u32(tb[NDTA_THRESH1]); |
| |
| print_uint(PRINT_ANY, "thresh1", "thresh1 %u ", thresh1); |
| } |
| |
| if (tb[NDTA_THRESH2]) { |
| __u32 thresh2 = rta_getattr_u32(tb[NDTA_THRESH2]); |
| |
| print_uint(PRINT_ANY, "thresh2", "thresh2 %u ", thresh2); |
| } |
| |
| if (tb[NDTA_THRESH3]) { |
| __u32 thresh3 = rta_getattr_u32(tb[NDTA_THRESH3]); |
| |
| print_uint(PRINT_ANY, "thresh3", "thresh3 %u ", thresh3); |
| } |
| |
| if (tb[NDTA_GC_INTERVAL]) { |
| __u64 gc_int = rta_getattr_u64(tb[NDTA_GC_INTERVAL]); |
| |
| print_u64(PRINT_ANY, "gc_interval", "gc_int %llu ", gc_int); |
| } |
| |
| if (ret) |
| print_nl(); |
| |
| if (tb[NDTA_CONFIG] && show_stats) |
| print_ndtconfig(RTA_DATA(tb[NDTA_CONFIG])); |
| |
| if (tb[NDTA_PARMS]) |
| print_ndtparams(tpb); |
| |
| if (tb[NDTA_STATS] && show_stats) |
| print_ndtstats(RTA_DATA(tb[NDTA_STATS])); |
| |
| print_string(PRINT_FP, NULL, "\n", ""); |
| close_json_object(); |
| fflush(fp); |
| |
| return 0; |
| } |
| |
| static 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(); |
| |
| filter.name = *argv; |
| } else |
| invarg("unknown", *argv); |
| |
| argc--; argv++; |
| } |
| |
| if (rtnl_neightbldump_req(&rth, preferred_family) < 0) { |
| perror("Cannot send dump request"); |
| exit(1); |
| } |
| |
| new_json_obj(json); |
| if (rtnl_dump_filter(&rth, print_ntable, stdout) < 0) { |
| fprintf(stderr, "Dump terminated\n"); |
| exit(1); |
| } |
| delete_json_obj(); |
| |
| 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); |
| } |