--- a/lib/arprefresh/src/olsrd_arprefresh.c +++ b/lib/arprefresh/src/olsrd_arprefresh.c @@ -34,6 +34,8 @@ * Plugin to refresh the local ARP cache from received OLSR broadcasts */ +#undef ARPREFRESH_DEBUG + #include #include #include @@ -46,6 +48,9 @@ #include #include #include +#ifdef ARPREFRESH_DEBUG +#include +#endif #include #include #include @@ -54,7 +59,6 @@ #include "kernel_routes.h" #include "scheduler.h" -#undef ARPREFRESH_DEBUG #define PLUGIN_INTERFACE_VERSION 5 /**************************************************************************** @@ -129,7 +133,13 @@ memcpy(&req.in_pa.sin_addr, &buf.ip.saddr, sizeof(buf.ip.saddr)); req.arp.arp_ha.sa_family = AF_LOCAL; memcpy(&req.arp.arp_ha.sa_data, &buf.eth.h_source, sizeof(buf.eth.h_source)); - req.arp.arp_flags = ATF_COM; + /* + * Currently, temp arp entries work partially under linux-2.6 (the entries + * are timed out after a short period, not after the default 5 minutes. Under + * linux 2.4 this does not work. The ATF_MAGIC triggers a hack in the Freifunk + * firmware's kernel. ATF_MACIG seem not to be used anywhere... + */ + req.arp.arp_flags = ATF_COM | ATF_MAGIC; if_indextoname(from.sll_ifindex, req.arp.arp_dev); #ifdef ARPREFRESH_DEBUG {