[IPV4] SNMP: Support InMcastPkts and InBcastPkts
A received IP multicast datagram should be counted as InMcastPkts. By the same token, a received IP broadcast datagram should be counted as InBcastPkts. Signed-off-by: Mitsuru Chinen <mitch@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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5506b54b36
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@ -329,6 +329,7 @@ drop:
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static inline int ip_rcv_finish(struct sk_buff *skb)
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static inline int ip_rcv_finish(struct sk_buff *skb)
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{
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{
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const struct iphdr *iph = ip_hdr(skb);
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const struct iphdr *iph = ip_hdr(skb);
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struct rtable *rt;
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/*
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/*
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* Initialise the virtual path cache for the packet. It describes
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* Initialise the virtual path cache for the packet. It describes
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@ -360,6 +361,12 @@ static inline int ip_rcv_finish(struct sk_buff *skb)
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if (iph->ihl > 5 && ip_rcv_options(skb))
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if (iph->ihl > 5 && ip_rcv_options(skb))
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goto drop;
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goto drop;
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rt = (struct rtable*)skb->dst;
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if (rt->rt_type == RTN_MULTICAST)
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IP_INC_STATS_BH(IPSTATS_MIB_INMCASTPKTS);
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else if (rt->rt_type == RTN_BROADCAST)
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IP_INC_STATS_BH(IPSTATS_MIB_INBCASTPKTS);
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return dst_input(skb);
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return dst_input(skb);
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drop:
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drop:
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