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| author | Guillaume Nault <g.nault@alphalink.fr> | 2013-07-23 20:35:14 +0200 |
|---|---|---|
| committer | Dmitry Kozlov <xeb@mail.ru> | 2013-07-24 22:32:08 +0400 |
| commit | 4e6cf832cddf523c233ff0f0f3b244e077d87df3 (patch) | |
| tree | 34afb7f2c7bd8785ea5deb4121aae7d7930ce259 /accel-pppd/ctrl/l2tp | |
| parent | ca2e87fc65cc1b275b127ccee72e51b541b667bb (diff) | |
| download | accel-ppp-4e6cf832cddf523c233ff0f0f3b244e077d87df3.tar.gz accel-ppp-4e6cf832cddf523c233ff0f0f3b244e077d87df3.zip | |
l2tp: Add the ppp-max-mtu option
As the maximum acceptable MTU for an L2TP link may vary depending on
IP and L2TP packet headers options, it is better to make it
configurable so that an administrator can adapt it to its network
constraints.
Use the original value (1420) as default.
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Diffstat (limited to 'accel-pppd/ctrl/l2tp')
| -rw-r--r-- | accel-pppd/ctrl/l2tp/l2tp.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/accel-pppd/ctrl/l2tp/l2tp.c b/accel-pppd/ctrl/l2tp/l2tp.c index 29ba76c..b4b20b7 100644 --- a/accel-pppd/ctrl/l2tp/l2tp.c +++ b/accel-pppd/ctrl/l2tp/l2tp.c @@ -48,9 +48,12 @@ #define STATE_FIN 9 #define STATE_CLOSE 0 +#define DEFAULT_PPP_MAX_MTU 1420 + int conf_verbose = 0; int conf_hide_avps = 0; int conf_avp_permissive = 0; +static int conf_ppp_max_mtu = DEFAULT_PPP_MAX_MTU; static int conf_port = L2TP_PORT; static int conf_ephemeral_ports = 0; static int conf_timeout = 60; @@ -878,7 +881,7 @@ static struct l2tp_sess_t *l2tp_tunnel_alloc_session(struct l2tp_conn_t *conn) sess->ctrl.started = l2tp_ppp_started; sess->ctrl.finished = l2tp_ppp_finished; sess->ctrl.terminate = ppp_terminate; - sess->ctrl.max_mtu = 1420; + sess->ctrl.max_mtu = conf_ppp_max_mtu; sess->ctrl.mppe = conf_mppe; sess->ctrl.calling_station_id = _malloc(17); sess->ctrl.called_station_id = _malloc(17); @@ -3813,6 +3816,12 @@ static void load_config(void) if (opt && atoi(opt) > 0) conf_retransmit = atoi(opt); + opt = conf_get_opt("l2tp", "ppp-max-mtu"); + if (opt && atoi(opt) > 0) + conf_ppp_max_mtu = atoi(opt); + else + conf_ppp_max_mtu = DEFAULT_PPP_MAX_MTU; + opt = conf_get_opt("l2tp", "host-name"); if (opt) conf_host_name = opt; |