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Don't try to forward link-local addresses
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@ -141,6 +141,9 @@ HISTORY
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++ Bugfixes:
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++ Bugfixes:
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2010-03-06: Simon Goldschmidt
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* ipv4/ip.c: Don't try to forward link-local addresses
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2010-03-06: Simon Goldschmidt
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2010-03-06: Simon Goldschmidt
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* etharp.c: Fixed bug #29087: etharp: don't send packets for LinkLocal-
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* etharp.c: Fixed bug #29087: etharp: don't send packets for LinkLocal-
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addresses to gw
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addresses to gw
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@ -122,6 +122,15 @@ ip_forward(struct pbuf *p, struct ip_hdr *iphdr, struct netif *inp)
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PERF_START;
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PERF_START;
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dest = iphdr->dest;
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dest = iphdr->dest;
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/* RFC3927 2.7: do not forward link-local addresses */
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if (ip_addr_islinklocal(&dest)) {
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LWIP_DEBUGF(IP_DEBUG, ("ip_forward: not forwarding LLA %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
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ip4_addr1_16(&dest), ip4_addr2_16(&dest), ip4_addr3_16(&dest), ip4_addr4_16(&dest)));
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snmp_inc_ipoutnoroutes();
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return (struct netif *)NULL;
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}
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/* Find network interface where to forward this IP packet to. */
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/* Find network interface where to forward this IP packet to. */
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netif = ip_route(&dest);
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netif = ip_route(&dest);
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if (netif == NULL) {
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if (netif == NULL) {
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