the is_garp code deals just with gratuitous ARP packets, not every unsolicited packet.
This patch is a result of a discussion in netdev: http://marc.info/?l=linux-netdev&m=149506354216994 Suggested-by: Julian Anastasov <j...@ssi.bg> Signed-off-by: Ihar Hrachyshka <ihrac...@redhat.com> --- net/ipv4/arp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c index d54345a..053492a 100644 --- a/net/ipv4/arp.c +++ b/net/ipv4/arp.c @@ -846,7 +846,7 @@ static int arp_process(struct net *net, struct sock *sk, struct sk_buff *skb) */ is_garp = tip == sip && addr_type == RTN_UNICAST; - /* Unsolicited ARP _replies_ also require target hwaddr to be + /* Gratuitous ARP _replies_ also require target hwaddr to be * the same as source. */ if (is_garp && arp->ar_op == htons(ARPOP_REPLY)) -- 2.9.3
