pppoe: use the interface mtu as upper limit for ppp packet size + header (based on a patch by Dirk Nehring)
SVN-Revision: 5009
This commit is contained in:
		@@ -0,0 +1,12 @@
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--- linux-2.4.30/drivers/net/pppoe.c.old	2006-10-10 13:49:12.000000000 +0200
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+++ linux-2.4.30/drivers/net/pppoe.c	2006-10-10 13:50:02.000000000 +0200
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@@ -639,6 +639,9 @@
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 		po->chan.hdrlen = (sizeof(struct pppoe_hdr) +
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 				   dev->hard_header_len);
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+		if (po->chan.mtu > dev->mtu - sizeof(struct pppoe_hdr))
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+			po->chan.mtu = dev->mtu - sizeof(struct pppoe_hdr);
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+
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 		po->chan.private = sk;
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 		po->chan.ops = &pppoe_chan_ops;
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@@ -0,0 +1,12 @@
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--- linux-2.6.17/drivers/net/pppoe.c.old	2006-10-10 13:47:56.000000000 +0200
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+++ linux-2.6.17/drivers/net/pppoe.c	2006-10-10 13:52:02.000000000 +0200
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@@ -600,6 +600,9 @@
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 		po->chan.hdrlen = (sizeof(struct pppoe_hdr) +
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 				   dev->hard_header_len);
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+		if (po->chan.mtu > dev->mtu - sizeof(struct pppoe_hdr))
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+			po->chan.mtu = dev->mtu - sizeof(struct pppoe_hdr);
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+
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 		po->chan.private = sk;
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 		po->chan.ops = &pppoe_chan_ops;
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