diff options
| -rw-r--r-- | drivers/net/ppp_generic.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index 39659976a1ac..89294b43c4a9 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -1285,6 +1285,11 @@ ppp_push(struct ppp *ppp) } #ifdef CONFIG_PPP_MULTILINK +static bool mp_protocol_compress __read_mostly = true; +module_param(mp_protocol_compress, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(mp_protocol_compress, + "compress protocol id in multilink fragments"); + /* * Divide a packet to be transmitted into fragments and * send them out the individual links. @@ -1347,10 +1352,10 @@ static int ppp_mp_explode(struct ppp *ppp, struct sk_buff *skb) if (nfree == 0 || nfree < navail / 2) return 0; /* can't take now, leave it in xmit_pending */ - /* Do protocol field compression (XXX this should be optional) */ + /* Do protocol field compression */ p = skb->data; len = skb->len; - if (*p == 0) { + if (*p == 0 && mp_protocol_compress) { ++p; --len; } |