#define MAX(a, b) ((a) > (b) ? (a) : (b))
#endif
+volatile int dummy;
static timeout_t age_subnets_timeout;
/* RFC 1071 */
checksum = (checksum & 0xFFFF) + (checksum >> 16);
}
+ // Work around a compiler optimization bug.
+ if(checksum) {
+ dummy = 1;
+ }
+
return ~checksum;
}
}
if(!subnet->owner->status.reachable) {
- return route_ipv4_unreachable(source, packet, ether_size, ICMP_DEST_UNREACH, ICMP_NET_UNREACH);
+ route_ipv4_unreachable(source, packet, ether_size, ICMP_DEST_UNREACH, ICMP_NET_UNREACH);
+ return;
}
if(forwarding_mode == FMODE_OFF && source != myself && subnet->owner != myself) {
- return route_ipv4_unreachable(source, packet, ether_size, ICMP_DEST_UNREACH, ICMP_NET_ANO);
+ route_ipv4_unreachable(source, packet, ether_size, ICMP_DEST_UNREACH, ICMP_NET_ANO);
+ return;
}
if(decrement_ttl && source != myself && subnet->owner != myself)
}
if(directonly && subnet->owner != via) {
- return route_ipv4_unreachable(source, packet, ether_size, ICMP_DEST_UNREACH, ICMP_NET_ANO);
+ route_ipv4_unreachable(source, packet, ether_size, ICMP_DEST_UNREACH, ICMP_NET_ANO);
+ return;
}
if(via && packet->len > MAX(via->mtu, 590) && via != myself) {
}
if(!subnet->owner->status.reachable) {
- return route_ipv6_unreachable(source, packet, ether_size, ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOROUTE);
+ route_ipv6_unreachable(source, packet, ether_size, ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOROUTE);
+ return;
}
if(forwarding_mode == FMODE_OFF && source != myself && subnet->owner != myself) {
- return route_ipv6_unreachable(source, packet, ether_size, ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADMIN);
+ route_ipv6_unreachable(source, packet, ether_size, ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADMIN);
+ return;
}
if(decrement_ttl && source != myself && subnet->owner != myself)
}
if(directonly && subnet->owner != via) {
- return route_ipv6_unreachable(source, packet, ether_size, ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADMIN);
+ route_ipv6_unreachable(source, packet, ether_size, ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADMIN);
+ return;
}
if(via && packet->len > MAX(via->mtu, 1294) && via != myself) {