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Suppress warnings when retrieving protocol stats from interfaces that

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don't support IPv6 (e.g. pflog(4)).

Reviewed by:	hrs
MFC after:	2 weeks
This commit is contained in:
Mark Johnston 2014-08-22 19:23:38 +00:00
parent 5fc2632281
commit d77e67e495
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=270349
1 changed files with 6 additions and 6 deletions
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12
usr.bin/netstat/inet6.c
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@ -540,13 +540,13 @@ ip6_ifstats(char *ifname)
}
strcpy(ifr.ifr_name, ifname);
printf("ip6 on %s:\n", ifr.ifr_name);
if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) {
perror("Warning: ioctl(SIOCGIFSTAT_IN6)");
if (errno != EPFNOSUPPORT)
perror("Warning: ioctl(SIOCGIFSTAT_IN6)");
goto end;
}
printf("ip6 on %s:\n", ifr.ifr_name);
p(ifs6_in_receive, "\t%ju total input datagram%s\n");
p(ifs6_in_hdrerr, "\t%ju datagram%s with invalid header received\n");
p(ifs6_in_toobig, "\t%ju datagram%s exceeded MTU received\n");
@ -945,13 +945,13 @@ icmp6_ifstats(char *ifname)
}
strcpy(ifr.ifr_name, ifname);
printf("icmp6 on %s:\n", ifr.ifr_name);
if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) {
perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)");
if (errno != EPFNOSUPPORT)
perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)");
goto end;
}
printf("icmp6 on %s:\n", ifr.ifr_name);
p(ifs6_in_msg, "\t%ju total input message%s\n");
p(ifs6_in_error, "\t%ju total input error message%s\n");
p(ifs6_in_dstunreach, "\t%ju input destination unreachable error%s\n");