From 56a341a5b9325c32eafe678919862f56cb0ffc56 Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Tue, 10 Oct 2006 12:28:30 +0000
Subject: [PATCH] pppoe: use the interface mtu as upper limit for ppp packet
 size + header (based on a patch by Dirk Nehring)

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@5009 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 .../generic-2.4/patches/229-pppoe_mtu_fix.patch      | 12 ++++++++++++
 .../generic-2.6/patches/206-pppoe_mtu_fix.patch      | 12 ++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 target/linux/generic-2.4/patches/229-pppoe_mtu_fix.patch
 create mode 100644 target/linux/generic-2.6/patches/206-pppoe_mtu_fix.patch

diff --git a/target/linux/generic-2.4/patches/229-pppoe_mtu_fix.patch b/target/linux/generic-2.4/patches/229-pppoe_mtu_fix.patch
new file mode 100644
index 000000000..c2e4f064c
--- /dev/null
+++ b/target/linux/generic-2.4/patches/229-pppoe_mtu_fix.patch
@@ -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;
+ 
diff --git a/target/linux/generic-2.6/patches/206-pppoe_mtu_fix.patch b/target/linux/generic-2.6/patches/206-pppoe_mtu_fix.patch
new file mode 100644
index 000000000..1ad8220f8
--- /dev/null
+++ b/target/linux/generic-2.6/patches/206-pppoe_mtu_fix.patch
@@ -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;
+