linux-kernel - Re: [PATCH v4 05/21] net/tcp: Calculate TCP-AO traffic keys

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Date:   Thu, 16 Feb 2023 06:50:49 +0800
From:   kernel test robot <lkp@...el.com>
To:     Dmitry Safonov <dima@...sta.com>, linux-kernel@...r.kernel.org,
        David Ahern <dsahern@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>
Cc:     oe-kbuild-all@...ts.linux.dev, netdev@...r.kernel.org,
        Dmitry Safonov <dima@...sta.com>,
        Andy Lutomirski <luto@...capital.net>,
        Ard Biesheuvel <ardb@...nel.org>,
        Bob Gilligan <gilligan@...sta.com>,
        Dan Carpenter <error27@...il.com>,
        David Laight <David.Laight@...lab.com>,
        Eric Biggers <ebiggers@...nel.org>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        Francesco Ruggeri <fruggeri05@...il.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Ivan Delalande <colona@...sta.com>,
        Leonard Crestez <cdleonard@...il.com>,
        Salam Noureddine <noureddine@...sta.com>
Subject: Re: [PATCH v4 05/21] net/tcp: Calculate TCP-AO traffic keys

Hi Dmitry,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on e1c04510f521e853019afeca2a5991a5ef8d6a5b]

url:    https://github.com/intel-lab-lkp/linux/commits/Dmitry-Safonov/net-tcp-Prepare-tcp_md5sig_pool-for-TCP-AO/20230216-023836
base:   e1c04510f521e853019afeca2a5991a5ef8d6a5b
patch link:    https://lore.kernel.org/r/20230215183335.800122-6-dima%40arista.com
patch subject: [PATCH v4 05/21] net/tcp: Calculate TCP-AO traffic keys
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230216/202302160619.lvY45Sx5-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 12.1.0
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
        # https://github.com/intel-lab-lkp/linux/commit/e93c86e7edccffd9992748d03591579a4ebc2731
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Dmitry-Safonov/net-tcp-Prepare-tcp_md5sig_pool-for-TCP-AO/20230216-023836
        git checkout e93c86e7edccffd9992748d03591579a4ebc2731
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash net/ipv4/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302160619.lvY45Sx5-lkp@intel.com/

All warnings (new ones prefixed by >>):

   net/ipv4/tcp_ao.c:59:20: warning: no previous prototype for 'tcp_ao_matched_key' [-Wmissing-prototypes]
      59 | struct tcp_ao_key *tcp_ao_matched_key(struct tcp_ao_info *ao,
         |                    ^~~~~~~~~~~~~~~~~~
>> net/ipv4/tcp_ao.c:245:5: warning: no previous prototype for 'tcp_ao_calc_key_sk' [-Wmissing-prototypes]
     245 | int tcp_ao_calc_key_sk(struct tcp_ao_key *mkt, u8 *key,
         |     ^~~~~~~~~~~~~~~~~~


vim +/tcp_ao_calc_key_sk +245 net/ipv4/tcp_ao.c

   244	
 > 245	int tcp_ao_calc_key_sk(struct tcp_ao_key *mkt, u8 *key,
   246			       const struct sock *sk,
   247			       __be32 sisn, __be32 disn,
   248			       bool send)
   249	{
   250		if (mkt->family == AF_INET)
   251			return tcp_v4_ao_calc_key_sk(mkt, key, sk, sisn, disn, send);
   252		else
   253			return tcp_v6_ao_calc_key_sk(mkt, key, sk, sisn, disn, send);
   254	}
   255	

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