File Fix-for-IPv6-Interface-Table.patch of Package net-snmp

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File Fix-for-IPv6-Interface-Table.patch of Package net-snmp (Revision 52d4baced69be14bd5993bfd1ac8481f)

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From 65f75f485f428b0f22ff82c96ebd7d89e49ce7b2 Mon Sep 17 00:00:00 2001
From: Mitsuru Chinen <mitch@linux.vnet.ibm.com>
Date: Mon, 20 Oct 2008 14:50:37 +0900
Subject: [PATCH] Fix for IPv6 Interface Table

From net-snmp patch tracker:
[ 1669048 ] Support ipv6InterfaceIdentifier on Linux
http://sourceforge.net/tracker/index.php?func=detail&aid=1669048&group_id=12694&atid=312694

[ 1783423 ] correct ipv6InterfaceIdentifier of loopback device
http://sourceforge.net/tracker/index.php?func=detail&aid=1783423&group_id=12694&atid=312694

Signed-off-by: Mitsuru Chinen <mitch@linux.vnet.ibm.com>
---
 .../mibgroup/if-mib/data_access/interface_linux.c  |   31 ++++++++++++++++++++
 1 files changed, 31 insertions(+), 0 deletions(-)

diff --git a/agent/mibgroup/if-mib/data_access/interface_linux.c b/agent/mibgroup/if-mib/data_access/interface_linux.c
index 245fa99..474a904 100644
--- a/agent/mibgroup/if-mib/data_access/interface_linux.c
+++ b/agent/mibgroup/if-mib/data_access/interface_linux.c
@@ -36,6 +36,7 @@ typedef __u8 u8;           /* ditto */
 #include <unistd.h>
 
 #include <linux/sockios.h>
+#include <linux/if_ether.h>
 
 #ifndef IF_NAMESIZE
 #define IF_NAMESIZE 16
@@ -635,6 +636,36 @@ netsnmp_arch_interface_container_load(netsnmp_container* container,
                 entry->type = IANAIFTYPE_OTHER;
         }
 
+        /*
+         * interface identifier is specified based on physaddr and type
+         */
+        switch (entry->type) {
+        case IANAIFTYPE_ETHERNETCSMACD:
+        case IANAIFTYPE_ETHERNET3MBIT:
+        case IANAIFTYPE_FASTETHER:
+        case IANAIFTYPE_FASTETHERFX:
+        case IANAIFTYPE_GIGABITETHERNET:
+        case IANAIFTYPE_FDDI:
+        case IANAIFTYPE_ISO88025TOKENRING:
+            if (NULL != entry->paddr && ETH_ALEN != entry->paddr_len)
+                break;
+
+            entry->v6_if_id_len = entry->paddr_len + 2;
+            memcpy(entry->v6_if_id, entry->paddr, 3);
+            memcpy(entry->v6_if_id + 5, entry->paddr + 3, 3);
+            entry->v6_if_id[0] ^= 2;
+            entry->v6_if_id[3] = 0xFF;
+            entry->v6_if_id[4] = 0xFE;
+
+            entry->ns_flags |= NETSNMP_INTERFACE_FLAGS_HAS_V6_IFID;
+            break;
+
+	case IANAIFTYPE_SOFTWARELOOPBACK:
+	    entry->v6_if_id_len = 0;
+	    entry->ns_flags |= NETSNMP_INTERFACE_FLAGS_HAS_V6_IFID;
+	    break;
+        }
+
         if (IANAIFTYPE_ETHERNETCSMACD == entry->type)
             entry->speed =
                 netsnmp_linux_interface_get_if_speed(fd, entry->name);
-- 
1.6.0.2

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File Fix-for-IPv6-Interface-Table.patch of Package net-snmp (Revision 52d4baced69be14bd5993bfd1ac8481f)

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