along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: net_packet.c,v 1.1.2.45 2003/12/20 19:47:52 guus Exp $
+ $Id: net_packet.c,v 1.1.2.47 2003/12/22 11:04:16 guus Exp $
*/
#include "system.h"
#include "utils.h"
#include "xalloc.h"
+#ifdef WSAEMSGSIZE
+#define EMSGSIZE WSAEMSGSIZE
+#endif
+
int keylifetime = 0;
int keyexpires = 0;
EVP_CIPHER_CTX packet_ctx;
cp();
n->mtuprobes++;
+ n->mtuevent = NULL;
+
+ if(n->mtuprobes >= 10 && !n->minmtu) {
+ ifdebug(TRAFFIC) logger(LOG_INFO, _("No response to MTU probes from %s (%s)"), n->name, n->hostname);
+ return;
+ }
for(i = 0; i < 3; i++) {
- if(n->mtuprobes >= 100 || n->probedmtu >= n->mtu) {
- n->mtu = n->probedmtu;
+ if(n->mtuprobes >= 30 || n->minmtu >= n->maxmtu) {
+ n->mtu = n->minmtu;
ifdebug(TRAFFIC) logger(LOG_INFO, _("Fixing MTU of %s (%s) to %d after %d probes"), n->name, n->hostname, n->mtu, n->mtuprobes);
return;
}
- len = n->probedmtu + 1 + random() % (n->mtu - n->probedmtu);
+ len = n->minmtu + 1 + random() % (n->maxmtu - n->minmtu);
if(len < 64)
len = 64;
packet->data[0] = 1;
send_packet(n, packet);
} else {
- if(n->probedmtu < packet->len)
- n->probedmtu = packet->len;
+ if(n->minmtu < packet->len)
+ n->minmtu = packet->len;
}
}
if((sendto(listen_socket[sock].udp, (char *) &inpkt->seqno, inpkt->len, 0, &(n->address.sa), SALEN(n->address.sa))) < 0) {
logger(LOG_ERR, _("Error sending packet to %s (%s): %s"), n->name, n->hostname, strerror(errno));
if(errno == EMSGSIZE) {
+ if(n->maxmtu >= origlen)
+ n->maxmtu = origlen - 1;
if(n->mtu >= origlen)
n->mtu = origlen - 1;
}