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authorIngo Molnar <mingo@elte.hu>2011-01-05 14:14:42 +0100
committerIngo Molnar <mingo@elte.hu>2011-01-05 14:14:46 +0100
commit27066fd484a32c80630136aa2b91c980f3198f9d (patch)
tree78ddabdedbfd7525d13ecd62a745525843f1d0e8 /drivers/net/ppp_generic.c
parent101e5f77bf35679809586e250b6c62193d2ed179 (diff)
parent3c0eee3fe6a3a1c745379547c7e7c904aa64f6d5 (diff)
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Merge commit 'v2.6.37' into sched/core
Merge reason: Merge the final .37 tree. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/net/ppp_generic.c')
-rw-r--r--drivers/net/ppp_generic.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index 39659976a1a..89294b43c4a 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;
}