netdev - Re: [PATCH 1/3] Add TX sending hardware timestamp.

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Date:   Thu, 10 Dec 2020 11:11:05 +0800
From:   kernel test robot <lkp@...el.com>
To:     Erez Geva <erez.geva.ext@...mens.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        Arnd Bergmann <arnd@...db.de>,
        Cong Wang <xiyou.wangcong@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Jamal Hadi Salim <jhs@...atatu.com>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com
Subject: Re: [PATCH 1/3] Add TX sending hardware timestamp.

Hi Erez,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on b65054597872ce3aefbc6a666385eabdf9e288da]

url:    https://github.com/0day-ci/linux/commits/Erez-Geva/Add-sending-TX-hardware-timestamp-for-TC-ETF-Qdisc/20201210-000521
base:    b65054597872ce3aefbc6a666385eabdf9e288da
config: mips-randconfig-r026-20201209 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 1968804ac726e7674d5de22bc2204b45857da344)
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
        # install mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://github.com/0day-ci/linux/commit/8a8f634bc74db16dc551cfcf3b63c1183f98eaac
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Erez-Geva/Add-sending-TX-hardware-timestamp-for-TC-ETF-Qdisc/20201210-000521
        git checkout 8a8f634bc74db16dc551cfcf3b63c1183f98eaac
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips 

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

All errors (new ones prefixed by >>):

>> net/core/sock.c:2383:7: error: use of undeclared identifier 'SCM_HW_TXTIME'; did you mean 'SOCK_HW_TXTIME'?
           case SCM_HW_TXTIME:
                ^~~~~~~~~~~~~
                SOCK_HW_TXTIME
   include/net/sock.h:862:2: note: 'SOCK_HW_TXTIME' declared here
           SOCK_HW_TXTIME,
           ^
   1 error generated.

vim +2383 net/core/sock.c

  2351	
  2352	int __sock_cmsg_send(struct sock *sk, struct msghdr *msg, struct cmsghdr *cmsg,
  2353			     struct sockcm_cookie *sockc)
  2354	{
  2355		u32 tsflags;
  2356	
  2357		switch (cmsg->cmsg_type) {
  2358		case SO_MARK:
  2359			if (!ns_capable(sock_net(sk)->user_ns, CAP_NET_ADMIN))
  2360				return -EPERM;
  2361			if (cmsg->cmsg_len != CMSG_LEN(sizeof(u32)))
  2362				return -EINVAL;
  2363			sockc->mark = *(u32 *)CMSG_DATA(cmsg);
  2364			break;
  2365		case SO_TIMESTAMPING_OLD:
  2366			if (cmsg->cmsg_len != CMSG_LEN(sizeof(u32)))
  2367				return -EINVAL;
  2368	
  2369			tsflags = *(u32 *)CMSG_DATA(cmsg);
  2370			if (tsflags & ~SOF_TIMESTAMPING_TX_RECORD_MASK)
  2371				return -EINVAL;
  2372	
  2373			sockc->tsflags &= ~SOF_TIMESTAMPING_TX_RECORD_MASK;
  2374			sockc->tsflags |= tsflags;
  2375			break;
  2376		case SCM_TXTIME:
  2377			if (!sock_flag(sk, SOCK_TXTIME))
  2378				return -EINVAL;
  2379			if (cmsg->cmsg_len != CMSG_LEN(sizeof(u64)))
  2380				return -EINVAL;
  2381			sockc->transmit_time = get_unaligned((u64 *)CMSG_DATA(cmsg));
  2382			break;
> 2383		case SCM_HW_TXTIME:
  2384			if (!sock_flag(sk, SOCK_HW_TXTIME))
  2385				return -EINVAL;
  2386			if (cmsg->cmsg_len != CMSG_LEN(sizeof(u64)))
  2387				return -EINVAL;
  2388			sockc->transmit_hw_time = get_unaligned((u64 *)CMSG_DATA(cmsg));
  2389			break;
  2390		/* SCM_RIGHTS and SCM_CREDENTIALS are semantically in SOL_UNIX. */
  2391		case SCM_RIGHTS:
  2392		case SCM_CREDENTIALS:
  2393			break;
  2394		default:
  2395			return -EINVAL;
  2396		}
  2397		return 0;
  2398	}
  2399	EXPORT_SYMBOL(__sock_cmsg_send);
  2400	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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