[ti:ti-rt-linux-5.10.y 6650/6833] net/socket.c:861:26: error: 'SCM_RED_TIMESTAMPING' undeclared

From: kernel test robot
Date: Tue Aug 17 2021 - 08:57:35 EST

Hi WingMan,

FYI, the error/warning still remains.

tree: git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-rt-linux-5.10.y
head: ac3657d2050406e974383b1490184f42a06b73cc
commit: b98f7ec080e0de442e0be84994ec8d26bdc39eeb [6650/6833] net: socket: Forward extra timestamp of received skb to user space
config: alpha-randconfig-r023-20210817 (attached as .config)
compiler: alpha-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git remote add ti git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git
git fetch --no-tags ti ti-rt-linux-5.10.y
git checkout b98f7ec080e0de442e0be84994ec8d26bdc39eeb
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=alpha SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

In file included from include/net/cls_cgroup.h:14,
from net/socket.c:95:
include/net/sock.h: In function 'sock_recv_redundant_info':
include/net/sock.h:2525:43: error: 'SCM_REDUNDANT' undeclared (first use in this function)
2525 | put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred);
| ^~~~~~~~~~~~~
include/net/sock.h:2525:43: note: each undeclared identifier is reported only once for each function it appears in
net/socket.c: In function '__sock_recv_redinfo_timestamp':
>> net/socket.c:861:26: error: 'SCM_RED_TIMESTAMPING' undeclared (first use in this function)
861 | SCM_RED_TIMESTAMPING, sizeof(tss), &tss);
| ^~~~~~~~~~~~~~~~~~~~

vim +/SCM_RED_TIMESTAMPING +861 net/socket.c

846 void __sock_recv_redinfo_timestamp(struct msghdr *msg, struct sock *sk,
847 struct sk_buff *skb)
848 {
849 struct scm_timestamping_internal tss;
850 int empty = 1;
851 struct skb_shared_hwtstamps *red_shhwtstamps =
852 skb_redinfo_hwtstamps(skb);
854 if (red_shhwtstamps &&
855 (sk->sk_tsflags & SOF_TIMESTAMPING_RAW_HARDWARE) &&
856 ktime_to_timespec64_cond(red_shhwtstamps->hwtstamp, tss.ts + 2))
857 empty = 0;
859 if (!empty)
860 put_cmsg(msg, SOL_SOCKET,
> 861 SCM_RED_TIMESTAMPING, sizeof(tss), &tss);
862 }
863 EXPORT_SYMBOL_GPL(__sock_recv_redinfo_timestamp);

0-DAY CI Kernel Test Service, Intel Corporation

Attachment: .config.gz
Description: application/gzip