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This commit is contained in:
Nikos Mavrogiannopoulos
2013-03-16 23:24:15 +01:00
parent 9f18e7db9a
commit a29e6847c9
1 changed files with 8 additions and 8 deletions
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16
src/worker-vpn.c
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@@ -625,7 +625,7 @@ void mtu_set(worker_st* ws, unsigned mtu)
ws->conn_mtu = mtu;
gnutls_dtls_set_data_mtu (ws->dtls_session, mtu);
send_tun_mtu(ws, mtu);
oclog(ws, LOG_DEBUG, "setting MTU to %u", ws->conn_mtu);
oclog(ws, LOG_INFO, "setting MTU to %u", ws->conn_mtu);
}
/* sets the current value of mtu as bad,
@@ -649,7 +649,7 @@ int mtu_not_ok(worker_st* ws)
}
mtu_set(ws, ws->last_good_mtu);
oclog(ws, LOG_DEBUG, "MTU %u is too large, switching to %u", ws->last_bad_mtu, ws->conn_mtu);
oclog(ws, LOG_INFO, "MTU %u is too large, switching to %u", ws->last_bad_mtu, ws->conn_mtu);
return 0;
}
@@ -719,9 +719,9 @@ int max, e, ret;
e = errno;
oclog(ws, LOG_INFO, "error in getting TCP_MAXSEG: %s", strerror(e));
} else {
oclog(ws, LOG_DEBUG, "TCP MSS is %u", max);
oclog(ws, LOG_INFO, "TCP MSS is %u", max);
if (max > 0 && max-mtu_overhead < ws->conn_mtu) {
oclog(ws, LOG_DEBUG, "reducing MTU due to TCP MSS to %u", max-mtu_overhead);
oclog(ws, LOG_INFO, "reducing MTU due to TCP MSS to %u", max-mtu_overhead);
mtu_set(ws, MIN(ws->conn_mtu, max-mtu_overhead));
}
}
@@ -941,14 +941,14 @@ socklen_t sl;
if (req->dtls_mtu > 0) {
ws->conn_mtu = MIN(req->dtls_mtu, ws->conn_mtu);
oclog(ws, LOG_DEBUG, "reducing DTLS MTU to peer's DTLS MTU (%u)", req->dtls_mtu);
oclog(ws, LOG_INFO, "reducing DTLS MTU to peer's DTLS MTU (%u)", req->dtls_mtu);
}
tls_printf(ws->session, "X-DTLS-MTU: %u\r\n", ws->conn_mtu);
}
if (ws->buffer_size <= ws->conn_mtu+mtu_overhead) {
oclog(ws, LOG_ERR, "buffer size is smaller than MTU (%u < %u); adjusting", ws->buffer_size, ws->conn_mtu);
oclog(ws, LOG_WARNING, "buffer size is smaller than MTU (%u < %u); adjusting", ws->buffer_size, ws->conn_mtu);
ws->buffer_size = ws->conn_mtu+mtu_overhead;
ws->buffer = realloc(ws->buffer, ws->buffer_size);
if (ws->buffer == NULL)
@@ -958,7 +958,7 @@ socklen_t sl;
ret = tls_printf(ws->session, "X-CSTP-MTU: %u\r\n", ws->conn_mtu);
SEND_ERR(ret);
oclog(ws, LOG_DEBUG, "selected MTU is %u", ws->conn_mtu);
oclog(ws, LOG_INFO, "selected MTU is %u", ws->conn_mtu);
send_tun_mtu(ws, ws->conn_mtu);
if (ws->config->banner) {
@@ -1239,7 +1239,7 @@ int ret, e, l;
if (ws->dpd_mtu_trial == 0) {
l = 1;
if (now-ws->last_dpd_udp <= ws->config->dpd/2) {
oclog(ws, LOG_DEBUG, "DPD timeout (%u<%u); reducing MTU", (unsigned)(now-ws->last_dpd_udp), (unsigned)ws->config->dpd/2);
oclog(ws, LOG_INFO, "DPD timeout (%u<%u); reducing MTU", (unsigned)(now-ws->last_dpd_udp), (unsigned)ws->config->dpd/2);
mtu_not_ok(ws);
}