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-rw-r--r--sys/netinet6/in6_proto.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/sys/netinet6/in6_proto.c b/sys/netinet6/in6_proto.c
index cfb7628..0678b4c 100644
--- a/sys/netinet6/in6_proto.c
+++ b/sys/netinet6/in6_proto.c
@@ -507,19 +507,21 @@ sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS)
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding,
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_forwarding), 0,
- "Enable IPv6 forwarding between interfaces");
+ "Enable forwarding of IPv6 packets between interfaces");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect,
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_sendredirects), 0,
- "Send a redirect message when forwarding back to a source link");
+ "Send ICMPv6 redirects for unforwardable IPv6 packets");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim,
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_defhlim), 0,
- "Default hop limit");
+ "Default hop limit to use for outgoing IPv6 packets");
SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_STATS, stats, struct ip6stat,
ip6stat,
"IP6 statistics (struct ip6stat, netinet6/ip6_var.h)");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets,
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0,
- "Maximum allowed number of outstanding fragmented IPv6 packets");
+ "Default maximum number of outstanding fragmented IPv6 packets. "
+ "A value of 0 means no fragmented packets will be accepted, while a "
+ "a value of -1 means no limit");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv,
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0,
"Default value of per-interface flag for accepting ICMPv6 RA messages");
@@ -541,7 +543,8 @@ SYSCTL_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval,
"Frequency in seconds at which to log IPv6 forwarding errors");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit,
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0,
- "Maximum allowed number of nested protocol headers");
+ "Default maximum number of IPv6 extension headers permitted on "
+ "incoming IPv6 packets, 0 for no artificial limit");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count,
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_dad_count), 0,
"Number of ICMPv6 NS messages sent during duplicate address detection");
@@ -550,7 +553,8 @@ SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel,
"Provide an IPv6 flowlabel in outbound packets");
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim,
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0,
- "Default hop limit for multicast packets");
+ "Default hop limit for IPv6 multicast packets originating from this "
+ "node");
SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version,
CTLFLAG_RD, __KAME_VERSION, 0,
"KAME version string");
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