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* [linux-next:master 8485/11103] drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h:78:5: warning: no previous prototype for function 'mlx5e_tc_tun_update_header_ipv6'
@ 2021-02-13 22:45 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-02-13 22:45 UTC (permalink / raw)
  To: Vlad Buslov
  Cc: kbuild-all, clang-built-linux, Linux Memory Management List,
	Saeed Mahameed, Dmytro Linkin, Roi Dayan

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Hi Vlad,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   07f7e57c63aaa2afb4ea31edef05e08699a63a00
commit: c7b9038d8af68e351e09a8427fa0264be8dc811f [8485/11103] net/mlx5e: TC preparation refactoring for routing update event
config: x86_64-randconfig-r023-20210214 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476)
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 x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=c7b9038d8af68e351e09a8427fa0264be8dc811f
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout c7b9038d8af68e351e09a8427fa0264be8dc811f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

All warnings (new ones prefixed by >>):

   In file included from drivers/net/ethernet/mellanox/mlx5/core/en_main.c:45:
   In file included from drivers/net/ethernet/mellanox/mlx5/core/en_tc.h:40:
>> drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h:78:5: warning: no previous prototype for function 'mlx5e_tc_tun_update_header_ipv6' [-Wmissing-prototypes]
   int mlx5e_tc_tun_update_header_ipv6(struct mlx5e_priv *priv,
       ^
   drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h:78:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int mlx5e_tc_tun_update_header_ipv6(struct mlx5e_priv *priv,
   ^
   static 
   1 warning generated.
--
   In file included from drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c:41:
   drivers/net/ethernet/mellanox/mlx5/core/esw/indir_table.h:34:1: warning: no previous prototype for function 'mlx5_esw_indir_table_init' [-Wmissing-prototypes]
   mlx5_esw_indir_table_init(void)
   ^
   drivers/net/ethernet/mellanox/mlx5/core/esw/indir_table.h:33:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   struct mlx5_esw_indir_table *
   ^
   static 
   drivers/net/ethernet/mellanox/mlx5/core/esw/indir_table.h:40:1: warning: no previous prototype for function 'mlx5_esw_indir_table_destroy' [-Wmissing-prototypes]
   mlx5_esw_indir_table_destroy(struct mlx5_esw_indir_table *indir)
   ^
   drivers/net/ethernet/mellanox/mlx5/core/esw/indir_table.h:39:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void
   ^
   static 
   drivers/net/ethernet/mellanox/mlx5/core/esw/indir_table.h:61:1: warning: no previous prototype for function 'mlx5_esw_indir_table_needed' [-Wmissing-prototypes]
   mlx5_esw_indir_table_needed(struct mlx5_eswitch *esw,
   ^
   drivers/net/ethernet/mellanox/mlx5/core/esw/indir_table.h:60:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   bool
   ^
   static 
   In file included from drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c:50:
   In file included from drivers/net/ethernet/mellanox/mlx5/core/en_tc.h:40:
>> drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h:78:5: warning: no previous prototype for function 'mlx5e_tc_tun_update_header_ipv6' [-Wmissing-prototypes]
   int mlx5e_tc_tun_update_header_ipv6(struct mlx5e_priv *priv,
       ^
   drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h:78:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int mlx5e_tc_tun_update_header_ipv6(struct mlx5e_priv *priv,
   ^
   static 
   4 warnings generated.


vim +/mlx5e_tc_tun_update_header_ipv6 +78 drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h

    53	
    54	int mlx5e_tc_tun_init_encap_attr(struct net_device *tunnel_dev,
    55					 struct mlx5e_priv *priv,
    56					 struct mlx5e_encap_entry *e,
    57					 struct netlink_ext_ack *extack);
    58	
    59	int mlx5e_tc_tun_create_header_ipv4(struct mlx5e_priv *priv,
    60					    struct net_device *mirred_dev,
    61					    struct mlx5e_encap_entry *e);
    62	int mlx5e_tc_tun_update_header_ipv4(struct mlx5e_priv *priv,
    63					    struct net_device *mirred_dev,
    64					    struct mlx5e_encap_entry *e);
    65	
    66	#if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6)
    67	int mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv,
    68					    struct net_device *mirred_dev,
    69					    struct mlx5e_encap_entry *e);
    70	int mlx5e_tc_tun_update_header_ipv6(struct mlx5e_priv *priv,
    71					    struct net_device *mirred_dev,
    72					    struct mlx5e_encap_entry *e);
    73	#else
    74	static inline int
    75	mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv,
    76					struct net_device *mirred_dev,
    77					struct mlx5e_encap_entry *e) { return -EOPNOTSUPP; }
  > 78	int mlx5e_tc_tun_update_header_ipv6(struct mlx5e_priv *priv,
    79					    struct net_device *mirred_dev,
    80					    struct mlx5e_encap_entry *e)
    81	{ return -EOPNOTSUPP; }
    82	#endif
    83	int mlx5e_tc_tun_route_lookup(struct mlx5e_priv *priv,
    84				      struct mlx5_flow_spec *spec,
    85				      struct mlx5_flow_attr *attr);
    86	

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

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2021-02-13 22:45 [linux-next:master 8485/11103] drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h:78:5: warning: no previous prototype for function 'mlx5e_tc_tun_update_header_ipv6' kernel test robot

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