Re: [PATCH net-next 5/5] sfc: add offloading of 'foreign' TC (decap) rules

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

Hi,

I love your patch! Perhaps something to improve:

[auto build test WARNING on next-20230314]
[cannot apply to net-next/master horms-ipvs/master linus/master v6.3-rc2 v6.3-rc1 v6.2 v6.3-rc2]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/edward-cree-amd-com/sfc-add-notion-of-match-on-enc-keys-to-MAE-machinery/20230315-013855
patch link:    https://lore.kernel.org/r/a7aabdb45290f1cd50681eb9e1d610893fbce299.1678815095.git.ecree.xilinx%40gmail.com
patch subject: [PATCH net-next 5/5] sfc: add offloading of 'foreign' TC (decap) rules
config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20230315/202303150436.cQ46tTwI-lkp@intel.com/config)
compiler: s390-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/51a99241aafeb3bd67a12aae5e9089c7aff2f3cd
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review edward-cree-amd-com/sfc-add-notion-of-match-on-enc-keys-to-MAE-machinery/20230315-013855
        git checkout 51a99241aafeb3bd67a12aae5e9089c7aff2f3cd
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/net/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303150436.cQ46tTwI-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/net/ethernet/sfc/tc.c:21:21: warning: no previous prototype for 'efx_tc_indr_netdev_type' [-Wmissing-prototypes]
      21 | enum efx_encap_type efx_tc_indr_netdev_type(struct net_device *net_dev)
         |                     ^~~~~~~~~~~~~~~~~~~~~~~


vim +/efx_tc_indr_netdev_type +21 drivers/net/ethernet/sfc/tc.c

    20	
  > 21	enum efx_encap_type efx_tc_indr_netdev_type(struct net_device *net_dev)
    22	{
    23		if (netif_is_vxlan(net_dev))
    24			return EFX_ENCAP_TYPE_VXLAN;
    25		if (netif_is_geneve(net_dev))
    26			return EFX_ENCAP_TYPE_GENEVE;
    27	
    28		return EFX_ENCAP_TYPE_NONE;
    29	}
    30	

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