[linux-next:master 8483/10581] drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h:24:29: error: field 'match_level' has incomplete type

Hi Vlad,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   671176b0016c80b3943cb5387312c886aba3308d
commit: 0d9f96471493d5483d116c137693f03604332a04 [8483/10581] net/mlx5e: Extract tc tunnel encap/decap code to dedicated file
config: s390-defconfig (attached as .config)
compiler: s390-linux-gcc (GCC) 9.3.0
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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=0d9f96471493d5483d116c137693f03604332a04
        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 0d9f96471493d5483d116c137693f03604332a04
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=s390 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <redacted>

All errors (new ones prefixed by >>):

   In file included from drivers/net/ethernet/mellanox/mlx5/core/en_tc.h:40,
                    from drivers/net/ethernet/mellanox/mlx5/core/en_main.c:45:

quoted

drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h:24:29: error: field 'match_level' has incomplete type

      24 |  enum mlx5_flow_match_level match_level;
         |                             ^~~~~~~~~~~
   drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h:27:26: warning: 'struct mlx5e_encap_entry' declared inside parameter list will not be visible outside of this definition or declaration
      27 |  int (*calc_hlen)(struct mlx5e_encap_entry *e);
         |                          ^~~~~~~~~~~~~~~~~
   drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h:30:18: warning: 'struct mlx5e_encap_entry' declared inside parameter list will not be visible outside of this definition or declaration
      30 |           struct mlx5e_encap_entry *e,
         |                  ^~~~~~~~~~~~~~~~~
   drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h:34:15: warning: 'struct mlx5e_encap_entry' declared inside parameter list will not be visible outside of this definition or declaration
      34 |        struct mlx5e_encap_entry *e);
         |               ^~~~~~~~~~~~~~~~~
   drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h:56:13: warning: 'struct mlx5e_encap_entry' declared inside parameter list will not be visible outside of this definition or declaration
      56 |      struct mlx5e_encap_entry *e,
         |             ^~~~~~~~~~~~~~~~~
   drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h:61:16: warning: 'struct mlx5e_encap_entry' declared inside parameter list will not be visible outside of this definition or declaration
      61 |         struct mlx5e_encap_entry *e);
         |                ^~~~~~~~~~~~~~~~~
   drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h:66:16: warning: 'struct mlx5e_encap_entry' declared inside parameter list will not be visible outside of this definition or declaration
      66 |         struct mlx5e_encap_entry *e);
         |                ^~~~~~~~~~~~~~~~~


vim +/match_level +24 drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h

101f4de9dd521c Oz Shlomo         2018-12-02  21  
d386939a327d2f Yevgeny Kliteynik 2019-04-14  22  struct mlx5e_tc_tunnel {
d386939a327d2f Yevgeny Kliteynik 2019-04-14  23  	int tunnel_type;
d386939a327d2f Yevgeny Kliteynik 2019-04-14 @24  	enum mlx5_flow_match_level match_level;
d386939a327d2f Yevgeny Kliteynik 2019-04-14  25  
d386939a327d2f Yevgeny Kliteynik 2019-04-14  26  	bool (*can_offload)(struct mlx5e_priv *priv);
d386939a327d2f Yevgeny Kliteynik 2019-04-14  27  	int (*calc_hlen)(struct mlx5e_encap_entry *e);
d386939a327d2f Yevgeny Kliteynik 2019-04-14  28  	int (*init_encap_attr)(struct net_device *tunnel_dev,
d386939a327d2f Yevgeny Kliteynik 2019-04-14  29  			       struct mlx5e_priv *priv,
d386939a327d2f Yevgeny Kliteynik 2019-04-14  30  			       struct mlx5e_encap_entry *e,
d386939a327d2f Yevgeny Kliteynik 2019-04-14  31  			       struct netlink_ext_ack *extack);
d386939a327d2f Yevgeny Kliteynik 2019-04-14  32  	int (*generate_ip_tun_hdr)(char buf[],
d386939a327d2f Yevgeny Kliteynik 2019-04-14  33  				   __u8 *ip_proto,
d386939a327d2f Yevgeny Kliteynik 2019-04-14  34  				   struct mlx5e_encap_entry *e);
d386939a327d2f Yevgeny Kliteynik 2019-04-14  35  	int (*parse_udp_ports)(struct mlx5e_priv *priv,
d386939a327d2f Yevgeny Kliteynik 2019-04-14  36  			       struct mlx5_flow_spec *spec,
f9e30088d20016 Pablo Neira Ayuso 2019-07-09  37  			       struct flow_cls_offload *f,
d386939a327d2f Yevgeny Kliteynik 2019-04-14  38  			       void *headers_c,
d386939a327d2f Yevgeny Kliteynik 2019-04-14  39  			       void *headers_v);
d386939a327d2f Yevgeny Kliteynik 2019-04-14  40  	int (*parse_tunnel)(struct mlx5e_priv *priv,
d386939a327d2f Yevgeny Kliteynik 2019-04-14  41  			    struct mlx5_flow_spec *spec,
f9e30088d20016 Pablo Neira Ayuso 2019-07-09  42  			    struct flow_cls_offload *f,
d386939a327d2f Yevgeny Kliteynik 2019-04-14  43  			    void *headers_c,
d386939a327d2f Yevgeny Kliteynik 2019-04-14  44  			    void *headers_v);
d386939a327d2f Yevgeny Kliteynik 2019-04-14  45  };
d386939a327d2f Yevgeny Kliteynik 2019-04-14  46  

:::::: The code at line 24 was first introduced by commit
:::::: d386939a327d2f1c9e918ee843087124eee0efda net/mlx5e: Rearrange tc tunnel code in a modular way

:::::: TO: Yevgeny Kliteynik [off-list ref]
:::::: CC: Saeed Mahameed [off-list ref]

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