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;
}
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;
}