forked from luck/tmp_suning_uos_patched
[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> Acked-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -600,6 +600,7 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr,
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po->chan.hdrlen = (sizeof(struct pppoe_hdr) +
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dev->hard_header_len);
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po->chan.mtu = dev->mtu - sizeof(struct pppoe_hdr);
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po->chan.private = sk;
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po->chan.ops = &pppoe_chan_ops;
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