Re: [PATCH net-next 1/2] net_tstamp: add SCM_TS_OPT_ID to provide OPT_ID in control message

[kernel test robot <lkp@intel.com>]

Hi Vadim,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Vadim-Fedorenko/selftests-txtimestamp-add-SCM_TS_OPT_ID-test/20240830-045630
base:   net-next/main
patch link:    https://lore.kernel.org/r/20240829204922.1674865-1-vadfed%40meta.com
patch subject: [PATCH net-next 1/2] net_tstamp: add SCM_TS_OPT_ID to provide OPT_ID in control message
config: mips-gcw0_defconfig (https://download.01.org/0day-ci/archive/20240831/202408310034.uyJpRXb7-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 46fe36a4295f05d5d3731762e31fc4e6e99863e9)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240831/202408310034.uyJpRXb7-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408310034.uyJpRXb7-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from net/core/sock.c:91:
   In file included from include/linux/errqueue.h:6:
   In file included from include/net/ip.h:22:
   In file included from include/linux/ip.h:16:
   In file included from include/linux/skbuff.h:17:
   In file included from include/linux/bvec.h:10:
   In file included from include/linux/highmem.h:8:
   In file included from include/linux/cacheflush.h:5:
   In file included from arch/mips/include/asm/cacheflush.h:13:
   In file included from include/linux/mm.h:2228:
   include/linux/vmstat.h:517:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     517 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
>> net/core/sock.c:2862:7: error: use of undeclared identifier 'SCM_TS_OPT_ID'
    2862 |         case SCM_TS_OPT_ID:
         |              ^
   1 warning and 1 error generated.


vim +/SCM_TS_OPT_ID +2862 net/core/sock.c

  2828	
  2829	int __sock_cmsg_send(struct sock *sk, struct cmsghdr *cmsg,
  2830			     struct sockcm_cookie *sockc)
  2831	{
  2832		u32 tsflags;
  2833	
  2834		switch (cmsg->cmsg_type) {
  2835		case SO_MARK:
  2836			if (!ns_capable(sock_net(sk)->user_ns, CAP_NET_RAW) &&
  2837			    !ns_capable(sock_net(sk)->user_ns, CAP_NET_ADMIN))
  2838				return -EPERM;
  2839			if (cmsg->cmsg_len != CMSG_LEN(sizeof(u32)))
  2840				return -EINVAL;
  2841			sockc->mark = *(u32 *)CMSG_DATA(cmsg);
  2842			break;
  2843		case SO_TIMESTAMPING_OLD:
  2844		case SO_TIMESTAMPING_NEW:
  2845			if (cmsg->cmsg_len != CMSG_LEN(sizeof(u32)))
  2846				return -EINVAL;
  2847	
  2848			tsflags = *(u32 *)CMSG_DATA(cmsg);
  2849			if (tsflags & ~SOF_TIMESTAMPING_TX_RECORD_MASK)
  2850				return -EINVAL;
  2851	
  2852			sockc->tsflags &= ~SOF_TIMESTAMPING_TX_RECORD_MASK;
  2853			sockc->tsflags |= tsflags;
  2854			break;
  2855		case SCM_TXTIME:
  2856			if (!sock_flag(sk, SOCK_TXTIME))
  2857				return -EINVAL;
  2858			if (cmsg->cmsg_len != CMSG_LEN(sizeof(u64)))
  2859				return -EINVAL;
  2860			sockc->transmit_time = get_unaligned((u64 *)CMSG_DATA(cmsg));
  2861			break;
> 2862		case SCM_TS_OPT_ID:
  2863			/* allow this option for UDP sockets only */
  2864			if (!sk_is_udp(sk))
  2865				return -EINVAL;
  2866			tsflags = READ_ONCE(sk->sk_tsflags);
  2867			if (!(tsflags & SOF_TIMESTAMPING_OPT_ID))
  2868				return -EINVAL;
  2869			if (cmsg->cmsg_len != CMSG_LEN(sizeof(u32)))
  2870				return -EINVAL;
  2871			sockc->ts_opt_id = *(u32 *)CMSG_DATA(cmsg);
  2872			sockc->tsflags |= SOF_TIMESTAMPING_OPT_ID_CMSG;
  2873			break;
  2874		/* SCM_RIGHTS and SCM_CREDENTIALS are semantically in SOL_UNIX. */
  2875		case SCM_RIGHTS:
  2876		case SCM_CREDENTIALS:
  2877			break;
  2878		default:
  2879			return -EINVAL;
  2880		}
  2881		return 0;
  2882	}
  2883	EXPORT_SYMBOL(__sock_cmsg_send);
  2884	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki