diff options
Diffstat (limited to 'usr.bin/netstat/mroute6.c')
| -rw-r--r-- | usr.bin/netstat/mroute6.c | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/usr.bin/netstat/mroute6.c b/usr.bin/netstat/mroute6.c index c526d7c..ac31f5e 100644 --- a/usr.bin/netstat/mroute6.c +++ b/usr.bin/netstat/mroute6.c @@ -85,6 +85,7 @@ __FBSDID("$FreeBSD$"); #include <netinet/in.h> #include <err.h> +#include <nlist.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> @@ -95,17 +96,32 @@ __FBSDID("$FreeBSD$"); #include "netstat.h" +/* + * kvm(3) bindings for every needed symbol + */ +static struct nlist mrl[] = { +#define N_MF6CTABLE 0 + { .n_name = "_mf6ctable" }, +#define N_MIF6TABLE 1 + { .n_name = "_mif6table" }, +#define N_MRT6STAT 2 + { .n_name = "_mrt6stat" }, + { .n_name = NULL }, +}; + + #define WID_ORG (Wflag ? 39 : (numeric_addr ? 29 : 18)) /* width of origin column */ #define WID_GRP (Wflag ? 18 : (numeric_addr ? 16 : 18)) /* width of group column */ void -mroute6pr(u_long mfcaddr, u_long mifaddr) +mroute6pr() { struct mf6c *mf6ctable[MF6CTBLSIZ], *mfcp; struct mif6 mif6table[MAXMIFS]; struct mf6c mfc; struct rtdetq rte, *rtep; struct mif6 *mifp; + u_long mfcaddr, mifaddr; mifi_t mifi; int i; int banner_printed; @@ -114,6 +130,15 @@ mroute6pr(u_long mfcaddr, u_long mifaddr) long int waitings; size_t len; + kresolve_list(mrl); + mfcaddr = mrl[N_MF6CTABLE].n_value; + mifaddr = mrl[N_MIF6TABLE].n_value; + + if (mfcaddr == 0 || mifaddr == 0) { + fprintf(stderr, "No IPv6 MROUTING kernel support.\n"); + return; + } + len = sizeof(mif6table); if (live) { if (sysctlbyname("net.inet6.ip6.mif6table", mif6table, &len, @@ -217,11 +242,20 @@ mroute6pr(u_long mfcaddr, u_long mifaddr) } void -mrt6_stats(u_long mstaddr) +mrt6_stats() { struct mrt6stat mrtstat; + u_long mstaddr; size_t len = sizeof mrtstat; + kresolve_list(mrl); + mstaddr = mrl[N_MRT6STAT].n_value; + + if (mstaddr == 0) { + fprintf(stderr, "No IPv6 MROUTING kernel support.\n"); + return; + } + if (live) { if (sysctlbyname("net.inet6.ip6.mrt6stat", &mrtstat, &len, NULL, 0) < 0) { |
