From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 10 Oct 2006 12:28:30 +0000 (+0000)
Subject: pppoe: use the interface mtu as upper limit for ppp packet size + header (based on... 
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=917bb076614355cce9519e890248dfabcb63aacb;p=openwrt%2Fstaging%2F981213.git

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

SVN-Revision: 5009
---

diff --git a/openwrt/target/linux/generic-2.4/patches/229-pppoe_mtu_fix.patch b/openwrt/target/linux/generic-2.4/patches/229-pppoe_mtu_fix.patch
new file mode 100644
index 0000000000..c2e4f064ca
--- /dev/null
+++ b/openwrt/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/openwrt/target/linux/generic-2.6/patches/206-pppoe_mtu_fix.patch b/openwrt/target/linux/generic-2.6/patches/206-pppoe_mtu_fix.patch
new file mode 100644
index 0000000000..1ad8220f8f
--- /dev/null
+++ b/openwrt/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;
+