Subject: [PATCH] Advertise PPPoE MTU (resubmit).

[mostrows]

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@xxxxxxxxxxxxx>
---
 drivers/net/pppoe.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c
index 475dc93..c89e9ee 100644
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -600,6 +600,7 @@ static int pppoe_connect(struct socket *
 		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;
 
-- 
1.4.1.1

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