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pppoe: use the interface mtu as upper limit for ppp packet size + header (based on a patch by Dirk Nehring)

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SVN-Revision: 5009
This commit is contained in:
Felix Fietkau 2006-10-10 12:28:30 +00:00
parent da71fb405c
commit 917bb07661
2 changed files with 24 additions and 0 deletions
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12
openwrt/target/linux/generic-2.4/patches/229-pppoe_mtu_fix.patch Normal file
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@ -0,0 +1,12 @@
--- linux-2.4.30/drivers/net/pppoe.c.old 2006-10-10 13:49:12.000000000 +0200
+++ linux-2.4.30/drivers/net/pppoe.c 2006-10-10 13:50:02.000000000 +0200
@@ -639,6 +639,9 @@
po->chan.hdrlen = (sizeof(struct pppoe_hdr) +
dev->hard_header_len);
+ if (po->chan.mtu > dev->mtu - sizeof(struct pppoe_hdr))
+ po->chan.mtu = dev->mtu - sizeof(struct pppoe_hdr);
+
po->chan.private = sk;
po->chan.ops = &pppoe_chan_ops;

12
openwrt/target/linux/generic-2.6/patches/206-pppoe_mtu_fix.patch Normal file
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@ -0,0 +1,12 @@
--- linux-2.6.17/drivers/net/pppoe.c.old 2006-10-10 13:47:56.000000000 +0200
+++ linux-2.6.17/drivers/net/pppoe.c 2006-10-10 13:52:02.000000000 +0200
@@ -600,6 +600,9 @@
po->chan.hdrlen = (sizeof(struct pppoe_hdr) +
dev->hard_header_len);
+ if (po->chan.mtu > dev->mtu - sizeof(struct pppoe_hdr))
+ po->chan.mtu = dev->mtu - sizeof(struct pppoe_hdr);
+
po->chan.private = sk;
po->chan.ops = &pppoe_chan_ops;