From 56a341a5b9325c32eafe678919862f56cb0ffc56 Mon Sep 17 00:00:00 2001 From: nbd 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; +