netdev - Re: linux-next: Tree for Nov 17 (uml, no IPV6)

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Date:   Wed, 17 Nov 2021 01:55:51 -0800
From:   Eric Dumazet <edumazet@...gle.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Netdev <netdev@...r.kernel.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Subject: Re: linux-next: Tree for Nov 17 (uml, no IPV6)

On Wed, Nov 17, 2021 at 1:50 AM Eric Dumazet <edumazet@...gle.com> wrote:

> I don't know, apparently on UM, csum_ipv6_magic() is only found in
> arch/x86/um/asm/checksum_32.h,
> no idea why...
>

Oh, maybe this is the missing part :

diff --git a/include/net/gro.h b/include/net/gro.h
index d0e7df691a807410049508355230a4523af590a1..9c22a010369cb89f9511d78cc322be56170d7b20
100644
--- a/include/net/gro.h
+++ b/include/net/gro.h
@@ -6,6 +6,7 @@
 #include <linux/indirect_call_wrapper.h>
 #include <linux/ip.h>
 #include <linux/ipv6.h>
+#include <net/ip6_checksum.h>
 #include <linux/skbuff.h>
 #include <net/udp.h>