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-rw-r--r--net/ipv6/proc.c109
1 files changed, 66 insertions, 43 deletions
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index 920dc9cf6a84..db945018579e 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -23,6 +23,7 @@
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/stddef.h>
+#include <net/net_namespace.h>
#include <net/ip.h>
#include <net/sock.h>
#include <net/tcp.h>
@@ -85,47 +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),
@@ -142,6 +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)
{
@@ -159,9 +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);
}
@@ -231,22 +254,22 @@ int __init ipv6_misc_proc_init(void)
{
int rc = 0;
- if (!proc_net_fops_create("snmp6", S_IRUGO, &snmp6_seq_fops))
+ if (!proc_net_fops_create(&init_net, "snmp6", S_IRUGO, &snmp6_seq_fops))
goto proc_snmp6_fail;
- proc_net_devsnmp6 = proc_mkdir("dev_snmp6", proc_net);
+ proc_net_devsnmp6 = proc_mkdir("dev_snmp6", init_net.proc_net);
if (!proc_net_devsnmp6)
goto proc_dev_snmp6_fail;
- if (!proc_net_fops_create("sockstat6", S_IRUGO, &sockstat6_seq_fops))
+ if (!proc_net_fops_create(&init_net, "sockstat6", S_IRUGO, &sockstat6_seq_fops))
goto proc_sockstat6_fail;
out:
return rc;
proc_sockstat6_fail:
- proc_net_remove("dev_snmp6");
+ proc_net_remove(&init_net, "dev_snmp6");
proc_dev_snmp6_fail:
- proc_net_remove("snmp6");
+ proc_net_remove(&init_net, "snmp6");
proc_snmp6_fail:
rc = -ENOMEM;
goto out;
@@ -254,8 +277,8 @@ proc_snmp6_fail:
void ipv6_misc_proc_exit(void)
{
- proc_net_remove("sockstat6");
- proc_net_remove("dev_snmp6");
- proc_net_remove("snmp6");
+ proc_net_remove(&init_net, "sockstat6");
+ proc_net_remove(&init_net, "dev_snmp6");
+ proc_net_remove(&init_net, "snmp6");
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 04:54:55 +0100