pppoe: use the interface mtu as upper limit for ppp packet size + header (based on...
[openwrt-10.03/.git] / target / linux / generic-2.6 / patches / 206-pppoe_mtu_fix.patch
1 --- linux-2.6.17/drivers/net/pppoe.c.old        2006-10-10 13:47:56.000000000 +0200
2 +++ linux-2.6.17/drivers/net/pppoe.c    2006-10-10 13:52:02.000000000 +0200
3 @@ -600,6 +600,9 @@
4                 po->chan.hdrlen = (sizeof(struct pppoe_hdr) +
5                                    dev->hard_header_len);
6  
7 +               if (po->chan.mtu > dev->mtu - sizeof(struct pppoe_hdr))
8 +                       po->chan.mtu = dev->mtu - sizeof(struct pppoe_hdr);
9 +
10                 po->chan.private = sk;
11                 po->chan.ops = &pppoe_chan_ops;
12