From: Michal Ostrowski <mostrows@earthlink.net>
Date: Sat, 14 Oct 2006 17:20:16 +0000 (+0200)
Subject: [PPPOE]: Advertise PPPoE MTU
X-Git-Tag: v2.6.16.30-rc1~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=08f8337b2930f9b0924e6c0e362b11f7216766c0;p=people%2Fms%2Flinux.git

[PPPOE]: Advertise PPPoE MTU

PPPoE must advertise the underlying device's MTU via the ppp channel
descriptor structure, as multilink functionality depends on it.

Signed-off-by: Michal Ostrowski <mostrows@earthlink.net>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
---

diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c
index 9369f811075d..e023b38e3f75 100644
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -601,6 +601,7 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr,
 		po->chan.hdrlen = (sizeof(struct pppoe_hdr) +
 				   dev->hard_header_len);
 
+		po->chan.mtu = dev->mtu - sizeof(struct pppoe_hdr);
 		po->chan.private = sk;
 		po->chan.ops = &pppoe_chan_ops;