1 files changed, 57 insertions, 35 deletions

diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index a712a2289484..db945018579e 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -86,47 +86,33 @@ static struct snmp_mib snmp6_ipstats_list[] = {
 };
 
 static struct snmp_mib snmp6_icmp6_list[] = {
-/* icmpv6 mib according to RFC 2466
-
-   Exceptions:  {In|Out}AdminProhibs are removed, because I see
-                no good reasons to account them separately
-                of another dest.unreachs.
-                OutErrs is zero identically.
-                OutEchos too.
-                OutRouterAdvertisements too.
-                OutGroupMembQueries too.
- */
+/* icmpv6 mib according to RFC 2466 */
         SNMP_MIB_ITEM("Icmp6InMsgs", ICMP6_MIB_INMSGS),
         SNMP_MIB_ITEM("Icmp6InErrors", ICMP6_MIB_INERRORS),
-        SNMP_MIB_ITEM("Icmp6InDestUnreachs", ICMP6_MIB_INDESTUNREACHS),
-        SNMP_MIB_ITEM("Icmp6InPktTooBigs", ICMP6_MIB_INPKTTOOBIGS),
-        SNMP_MIB_ITEM("Icmp6InTimeExcds", ICMP6_MIB_INTIMEEXCDS),
-        SNMP_MIB_ITEM("Icmp6InParmProblems", ICMP6_MIB_INPARMPROBLEMS),
-        SNMP_MIB_ITEM("Icmp6InEchos", ICMP6_MIB_INECHOS),
-        SNMP_MIB_ITEM("Icmp6InEchoReplies", ICMP6_MIB_INECHOREPLIES),
-        SNMP_MIB_ITEM("Icmp6InGroupMembQueries", ICMP6_MIB_INGROUPMEMBQUERIES),
-        SNMP_MIB_ITEM("Icmp6InGroupMembResponses", ICMP6_MIB_INGROUPMEMBRESPONSES),
-        SNMP_MIB_ITEM("Icmp6InGroupMembReductions", ICMP6_MIB_INGROUPMEMBREDUCTIONS),
-        SNMP_MIB_ITEM("Icmp6InRouterSolicits", ICMP6_MIB_INROUTERSOLICITS),
-        SNMP_MIB_ITEM("Icmp6InRouterAdvertisements", ICMP6_MIB_INROUTERADVERTISEMENTS),
-        SNMP_MIB_ITEM("Icmp6InNeighborSolicits", ICMP6_MIB_INNEIGHBORSOLICITS),
-        SNMP_MIB_ITEM("Icmp6InNeighborAdvertisements", ICMP6_MIB_INNEIGHBORADVERTISEMENTS),
-        SNMP_MIB_ITEM("Icmp6InRedirects", ICMP6_MIB_INREDIRECTS),
         SNMP_MIB_ITEM("Icmp6OutMsgs", ICMP6_MIB_OUTMSGS),
-        SNMP_MIB_ITEM("Icmp6OutDestUnreachs", ICMP6_MIB_OUTDESTUNREACHS),
-        SNMP_MIB_ITEM("Icmp6OutPktTooBigs", ICMP6_MIB_OUTPKTTOOBIGS),
-        SNMP_MIB_ITEM("Icmp6OutTimeExcds", ICMP6_MIB_OUTTIMEEXCDS),
-        SNMP_MIB_ITEM("Icmp6OutParmProblems", ICMP6_MIB_OUTPARMPROBLEMS),
-        SNMP_MIB_ITEM("Icmp6OutEchoReplies", ICMP6_MIB_OUTECHOREPLIES),
-        SNMP_MIB_ITEM("Icmp6OutRouterSolicits", ICMP6_MIB_OUTROUTERSOLICITS),
-        SNMP_MIB_ITEM("Icmp6OutNeighborSolicits", ICMP6_MIB_OUTNEIGHBORSOLICITS),
-        SNMP_MIB_ITEM("Icmp6OutNeighborAdvertisements", ICMP6_MIB_OUTNEIGHBORADVERTISEMENTS),
-        SNMP_MIB_ITEM("Icmp6OutRedirects", ICMP6_MIB_OUTREDIRECTS),
-        SNMP_MIB_ITEM("Icmp6OutGroupMembResponses", ICMP6_MIB_OUTGROUPMEMBRESPONSES),
-        SNMP_MIB_ITEM("Icmp6OutGroupMembReductions", ICMP6_MIB_OUTGROUPMEMBREDUCTIONS),
         SNMP_MIB_SENTINEL
 };
 
+/* RFC 4293 v6 ICMPMsgStatsTable; named items for RFC 2466 compatibility */
+static char *icmp6type2name[256] = {
+        [ICMPV6_DEST_UNREACH] = "DestUnreachs",
+        [ICMPV6_PKT_TOOBIG] = "PktTooBigs",
+        [ICMPV6_TIME_EXCEED] = "TimeExcds",
+        [ICMPV6_PARAMPROB] = "ParmProblems",
+        [ICMPV6_ECHO_REQUEST] = "EchoRequest",
+        [ICMPV6_ECHO_REPLY] = "EchoReplies",
+        [ICMPV6_MGM_QUERY] = "GroupMembQueries",
+        [ICMPV6_MGM_REPORT] = "GroupMembResponses",
+        [ICMPV6_MGM_REDUCTION] = "GroupMembReductions",
+        [ICMPV6_MLD2_REPORT] = "MLDv2Reports",
+        [NDISC_ROUTER_ADVERTISEMENT] = "RouterAdvertisements",
+        [NDISC_ROUTER_SOLICITATION] = "RouterSolicits",
+        [NDISC_NEIGHBOUR_ADVERTISEMENT] = "NeighborAdvertisements",
+        [NDISC_NEIGHBOUR_SOLICITATION] = "NeighborSolicits",
+        [NDISC_REDIRECT] = "NeighborRedirects",
+};
+
+
 static struct snmp_mib snmp6_udp6_list[] = {
         SNMP_MIB_ITEM("Udp6InDatagrams", UDP_MIB_INDATAGRAMS),
         SNMP_MIB_ITEM("Udp6NoPorts", UDP_MIB_NOPORTS),
@@ -143,6 +129,40 @@ static struct snmp_mib snmp6_udplite6_list[] = {
         SNMP_MIB_SENTINEL
 };
 
+static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void **mib)
+{
+        static char name[32];
+        int i;
+
+        /* print by name -- deprecated items */
+        for (i = 0; i < ICMP6MSG_MIB_MAX; i++) {
+                int icmptype;
+                char *p;
+
+                icmptype = i & 0xff;
+                p = icmp6type2name[icmptype];
+                if (!p) /* don't print un-named types here */
+                        continue;
+                (void) snprintf(name, sizeof(name)-1, "Icmp6%s%s",
+                        i & 0x100 ? "Out" : "In", p);
+                seq_printf(seq, "%-32s\t%lu\n", name,
+                        snmp_fold_field(mib, i));
+        }
+
+        /* print by number (nonzero only) - ICMPMsgStat format */
+        for (i = 0; i < ICMP6MSG_MIB_MAX; i++) {
+                unsigned long val;
+
+                val = snmp_fold_field(mib, i);
+                if (!val)
+                        continue;
+                (void) snprintf(name, sizeof(name)-1, "Icmp6%sType%u",
+                        i & 0x100 ?  "Out" : "In", i & 0xff);
+                seq_printf(seq, "%-32s\t%lu\n", name, val);
+        }
+        return;
+}
+
 static inline void
 snmp6_seq_show_item(struct seq_file *seq, void **mib, struct snmp_mib *itemlist)
 {
@@ -160,9 +180,11 @@ static int snmp6_seq_show(struct seq_file *seq, void *v)
                 seq_printf(seq, "%-32s\t%u\n", "ifIndex", idev->dev->ifindex);
                 snmp6_seq_show_item(seq, (void **)idev->stats.ipv6, snmp6_ipstats_list);
                 snmp6_seq_show_item(seq, (void **)idev->stats.icmpv6, snmp6_icmp6_list);
+                snmp6_seq_show_icmpv6msg(seq, (void **)idev->stats.icmpv6msg);
         } else {
                 snmp6_seq_show_item(seq, (void **)ipv6_statistics, snmp6_ipstats_list);
                 snmp6_seq_show_item(seq, (void **)icmpv6_statistics, snmp6_icmp6_list);
+                snmp6_seq_show_icmpv6msg(seq, (void **)icmpv6msg_statistics);
                 snmp6_seq_show_item(seq, (void **)udp_stats_in6, snmp6_udp6_list);
                 snmp6_seq_show_item(seq, (void **)udplite_stats_in6, snmp6_udplite6_list);
         }