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