From 80787ebc2bbd8e675d8b9ff8cfa40f15134feebe Mon Sep 17 00:00:00 2001
From: Mitsuru Chinen <mitch@linux.vnet.ibm.com>
Date: Mon, 30 Apr 2007 00:48:20 -0700
Subject: [PATCH] [IPV4] SNMP: Support OutMcastPkts and OutBcastPkts
A transmitted IP multicast datagram should be counted as OutMcastPkts.
By the same token, a transmitted IP broadcast datagram should be
counted as OutBcastPkts.
Signed-off-by: Mitsuru Chinen <mitch@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/ipv4/ip_output.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 534650cad3a82f..d6427d9185125c 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -160,9 +160,15 @@ EXPORT_SYMBOL_GPL(ip_build_and_send_pkt);
static inline int ip_finish_output2(struct sk_buff *skb)
{
struct dst_entry *dst = skb->dst;
+ struct rtable *rt = (struct rtable *)dst;
struct net_device *dev = dst->dev;
int hh_len = LL_RESERVED_SPACE(dev);
+ if (rt->rt_type == RTN_MULTICAST)
+ IP_INC_STATS(IPSTATS_MIB_OUTMCASTPKTS);
+ else if (rt->rt_type == RTN_BROADCAST)
+ IP_INC_STATS(IPSTATS_MIB_OUTBCASTPKTS);
+
/* Be paranoid, rather than too clever. */
if (unlikely(skb_headroom(skb) < hh_len && dev->hard_header)) {
struct sk_buff *skb2;
--
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