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SubjectRe: linux-next: Tree for Nov 17 (uml, no IPV6)
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On 11/16/21 6:58 PM, Stephen Rothwell wrote:
> Hi all,
>
> Changes since 20211116:
>

ARCH=um SUBARCH=x86_64:
# CONFIG_IPV6 is not set


In file included from ../net/ethernet/eth.c:62:0:
../include/net/gro.h: In function ‘ip6_gro_compute_pseudo’:
../include/net/gro.h:413:22: error: implicit declaration of function ‘csum_ipv6_magic’; did you mean ‘csum_tcpudp_magic’? [-Werror=implicit-function-declaration]
return ~csum_unfold(csum_ipv6_magic(&iph->saddr, &iph->daddr,
^~~~~~~~~~~~~~~
csum_tcpudp_magic


After I made ip6_gro_compute_pseudo() conditional on CONFIG_IPV6,
I got this build error:

In file included from ../net/ipv6/tcpv6_offload.c:10:0:
../net/ipv6/tcpv6_offload.c: In function ‘tcp6_gro_receive’:
../net/ipv6/tcpv6_offload.c:22:11: error: implicit declaration of function ‘ip6_gro_compute_pseudo’; did you mean ‘inet_gro_compute_pseudo’? [-Werror=implicit-function-declaration]
ip6_gro_compute_pseudo)) {
^
../include/net/gro.h:235:5: note: in definition of macro ‘__skb_gro_checksum_validate’
compute_pseudo(skb, proto)); \
^~~~~~~~~~~~~~
../net/ipv6/tcpv6_offload.c:21:6: note: in expansion of macro ‘skb_gro_checksum_validate’
skb_gro_checksum_validate(skb, IPPROTO_TCP,
^~~~~~~~~~~~~~~~~~~~~~~~~



This is UML x86_64 defconfig:

$ make ARCH=um SUBARCH=x86_64 defconfig all


--
~Randy

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