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File Fix-for-IPv6-Interface-Table.patch of Package net-snmp (Revision 3)
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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
