Re: [PATCH] gre: copy ToS/DiffServ bits to outer IP header

From: Patrick McHardy <hidden>
Date: 2009-07-01 10:28:45
Also in: lkml

Andreas Jaggi wrote:

Now using the rtnl_link interface.

Your patches are seriously whitespace-damaged. Please make sure
to send them properly (test by sending to yourself first).

diff -urN vanilla-linux-2.6.29.4/include/linux/if_tunnel.h 
dev-gre/include/linux/if_tunnel.h

--- vanilla-linux-2.6.29.4/include/linux/if_tunnel.h    2009-05-19

01:52:34.000000000 +0200

+++ dev-gre/include/linux/if_tunnel.h    2009-06-30 08:22:52.000000000 
+0200

@@ -34,6 +34,7 @@
    __be32            i_key;
    __be32            o_key;
    struct iphdr        iph;
+    __u8            copy_tos;

You can't change this structure, this will break compatibility.

};

/* SIT-mode i_flags */

@@ -63,6 +64,7 @@
    IFLA_GRE_REMOTE,
    IFLA_GRE_TTL,
    IFLA_GRE_TOS,
+    IFLA_GRE_COPY_TOS,
    IFLA_GRE_PMTUDISC,
    __IFLA_GRE_MAX,

You can't add new attributes in the middle, they need to be added at
the end.