[jpirko-mlxsw:petrm_soft_counters 5/5] net/core/dev.c:1676:7: error: 'NETDEV_OFFLOAD_XSTATS_GET' undeclared; did you mean 'NETDEV_OFFLOAD_XSTATS_CMD'?

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

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tree:   https://github.com/jpirko/linux_mlxsw petrm_soft_counters
head:   453f3cd9e64f05fe295e3807e7e9d7bda5d6a9c0
commit: 453f3cd9e64f05fe295e3807e7e9d7bda5d6a9c0 [5/5] wip
config: um-x86_64_defconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/jpirko/linux_mlxsw/commit/453f3cd9e64f05fe295e3807e7e9d7bda5d6a9c0
        git remote add jpirko-mlxsw https://github.com/jpirko/linux_mlxsw
        git fetch --no-tags jpirko-mlxsw petrm_soft_counters
        git checkout 453f3cd9e64f05fe295e3807e7e9d7bda5d6a9c0
        # save the attached .config to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=um SUBARCH=x86_64 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   net/core/dev.c: In function 'netdev_cmd_to_name':
>> net/core/dev.c:1676:7: error: 'NETDEV_OFFLOAD_XSTATS_GET' undeclared (first use in this function); did you mean 'NETDEV_OFFLOAD_XSTATS_CMD'?
    1676 |  case NETDEV_##val:    \
         |       ^~~~~~~
   net/core/dev.c:1688:20: note: in expansion of macro 'N'
    1688 |  N(PRE_CHANGEADDR) N(OFFLOAD_XSTATS_GET)
         |                    ^
   net/core/dev.c:1676:7: note: each undeclared identifier is reported only once for each function it appears in
    1676 |  case NETDEV_##val:    \
         |       ^~~~~~~
   net/core/dev.c:1688:20: note: in expansion of macro 'N'
    1688 |  N(PRE_CHANGEADDR) N(OFFLOAD_XSTATS_GET)
         |                    ^
   net/core/dev.c:1678:2: warning: enumeration value 'NETDEV_OFFLOAD_XSTATS_CMD' not handled in switch [-Wswitch]
    1678 |  switch (cmd) {
         |  ^~~~~~
   net/core/dev.c: In function 'netdev_offload_xstats_hw_stats_enable':
>> net/core/dev.c:8387:4: error: 'struct netdev_notifier_offload_xstats_info' has no member named 'req_stats'; did you mean 'hw_stats'?
    8387 |   .req_stats = req_hw_stats,
         |    ^~~~~~~~~
         |    hw_stats
   net/core/dev.c:8383:52: warning: missing braces around initializer [-Wmissing-braces]
    8383 |  struct netdev_notifier_offload_xstats_info info = {
         |                                                    ^
    8384 |   .info.dev = dev,
         |                  }
    8385 |   .info.extack = extack,
         |                        }
    8386 |   .cmd = NETDEV_OFFLOAD_XSTATS_CMD_ENABLE,
    8387 |   .req_stats = req_hw_stats,
         |                {
    8388 |  };
         |  }
   net/core/dev.c: In function 'netdev_offload_xstats_hw_stats_disable':
   net/core/dev.c:8423:6: warning: unused variable 'rc' [-Wunused-variable]
    8423 |  int rc;
         |      ^~
   net/core/dev.c: At top level:
>> net/core/dev.c:8469:5: error: conflicting types for 'netdev_offload_xstats_hw_stats_get'
    8469 | int netdev_offload_xstats_hw_stats_get(struct net_device *dev,
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from net/core/dev.c:90:
   include/linux/netdevice.h:2905:5: note: previous declaration of 'netdev_offload_xstats_hw_stats_get' was here
    2905 | int netdev_offload_xstats_hw_stats_get(struct net_device *dev,
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   net/core/dev.c: In function 'netdev_offload_xstats_hw_stats_get':
>> net/core/dev.c:8474:9: error: variable 'report_delta' has initializer but incomplete type
    8474 |  struct netdev_notifier_offload_xstats_rd report_delta = {};
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> net/core/dev.c:8474:43: error: storage size of 'report_delta' isn't known
    8474 |  struct netdev_notifier_offload_xstats_rd report_delta = {};
         |                                           ^~~~~~~~~~~~
>> net/core/dev.c:8490:26: error: 'netdev' undeclared (first use in this function); did you mean 'net_eq'?
    8490 |  netdev_link_stats64_add(netdev->offload_hw_stats, &report_delta.stats);
         |                          ^~~~~~
         |                          net_eq
   net/core/dev.c:8481:6: warning: unused variable 'err' [-Wunused-variable]
    8481 |  int err;
         |      ^~~
   net/core/dev.c:8474:43: warning: unused variable 'report_delta' [-Wunused-variable]
    8474 |  struct netdev_notifier_offload_xstats_rd report_delta = {};
         |                                           ^~~~~~~~~~~~
   In file included from include/linux/linkage.h:7,
                    from include/linux/printk.h:8,
                    from include/asm-generic/bug.h:22,
                    from ./arch/um/include/generated/asm/bug.h:1,
                    from include/linux/bug.h:5,
                    from include/linux/thread_info.h:13,
                    from include/asm-generic/current.h:5,
                    from ./arch/um/include/generated/asm/current.h:1,
                    from include/linux/sched.h:12,
                    from include/linux/uaccess.h:8,
                    from net/core/dev.c:71:
   net/core/dev.c: At top level:
>> net/core/dev.c:8496:15: error: 'netdev_offload_xstats_get' undeclared here (not in a function); did you mean 'netdev_offload_xstats_cmd'?
    8496 | EXPORT_SYMBOL(netdev_offload_xstats_get);
         |               ^~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/export.h:98:16: note: in definition of macro '___EXPORT_SYMBOL'
      98 |  extern typeof(sym) sym;       \
         |                ^~~
   include/linux/export.h:160:34: note: in expansion of macro '__EXPORT_SYMBOL'
     160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "")
         |                                  ^~~~~~~~~~~~~~~
   include/linux/export.h:163:29: note: in expansion of macro '_EXPORT_SYMBOL'
     163 | #define EXPORT_SYMBOL(sym)  _EXPORT_SYMBOL(sym, "")
         |                             ^~~~~~~~~~~~~~
   net/core/dev.c:8496:1: note: in expansion of macro 'EXPORT_SYMBOL'
    8496 | EXPORT_SYMBOL(netdev_offload_xstats_get);
         | ^~~~~~~~~~~~~
   net/core/dev.c: In function 'netdev_offload_xstats_report_delta':
>> net/core/dev.c:8505:14: error: dereferencing pointer to incomplete type 'struct netdev_notifier_offload_xstats_rd'
    8505 |  report_delta->hw_stats |= hw_stats;
         |              ^~
   At top level:
   net/core/dev.c:8363:12: warning: 'netdev_offload_xstats_toggle' defined but not used [-Wunused-function]
    8363 | static int netdev_offload_xstats_toggle(struct net_device *dev,
         |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
   net/core/rtnetlink.c: In function 'do_setlink':
>> net/core/rtnetlink.c:2967:9: error: 'IFLA_HW_STATS' undeclared (first use in this function); did you mean 'IFLA_VF_STATS'?
    2967 |  if (tb[IFLA_HW_STATS]) {
         |         ^~~~~~~~~~~~~
         |         IFLA_VF_STATS
   net/core/rtnetlink.c:2967:9: note: each undeclared identifier is reported only once for each function it appears in
>> net/core/rtnetlink.c:2969:23: error: 'tca' undeclared (first use in this function)
    2969 |    nla_get_bitfield32(tca[IFLA_HW_STATS]);
         |                       ^~~
   net/core/rtnetlink.c: In function 'rtnetlink_init':
>> net/core/rtnetlink.c:5839:27: error: 'RTM_SETSTATS' undeclared (first use in this function); did you mean 'RTM_GETSTATS'?
    5839 |  rtnl_register(PF_UNSPEC, RTM_SETSTATS, rtnl_stats_set, NULL, 0);
         |                           ^~~~~~~~~~~~
         |                           RTM_GETSTATS


vim +1676 net/core/dev.c

56f5aa77cdad10 Michael Chan 2017-12-16  1672  
ede2762d93ff16 Kirill Tkhai 2018-03-23  1673  const char *netdev_cmd_to_name(enum netdev_cmd cmd)
ede2762d93ff16 Kirill Tkhai 2018-03-23  1674  {
ede2762d93ff16 Kirill Tkhai 2018-03-23  1675  #define N(val) 						\
ede2762d93ff16 Kirill Tkhai 2018-03-23 @1676  	case NETDEV_##val:				\
ede2762d93ff16 Kirill Tkhai 2018-03-23  1677  		return "NETDEV_" __stringify(val);
ede2762d93ff16 Kirill Tkhai 2018-03-23  1678  	switch (cmd) {
ede2762d93ff16 Kirill Tkhai 2018-03-23  1679  	N(UP) N(DOWN) N(REBOOT) N(CHANGE) N(REGISTER) N(UNREGISTER)
ede2762d93ff16 Kirill Tkhai 2018-03-23  1680  	N(CHANGEMTU) N(CHANGEADDR) N(GOING_DOWN) N(CHANGENAME) N(FEAT_CHANGE)
ede2762d93ff16 Kirill Tkhai 2018-03-23  1681  	N(BONDING_FAILOVER) N(PRE_UP) N(PRE_TYPE_CHANGE) N(POST_TYPE_CHANGE)
ede2762d93ff16 Kirill Tkhai 2018-03-23  1682  	N(POST_INIT) N(RELEASE) N(NOTIFY_PEERS) N(JOIN) N(CHANGEUPPER)
ede2762d93ff16 Kirill Tkhai 2018-03-23  1683  	N(RESEND_IGMP) N(PRECHANGEMTU) N(CHANGEINFODATA) N(BONDING_INFO)
ede2762d93ff16 Kirill Tkhai 2018-03-23  1684  	N(PRECHANGEUPPER) N(CHANGELOWERSTATE) N(UDP_TUNNEL_PUSH_INFO)
ede2762d93ff16 Kirill Tkhai 2018-03-23  1685  	N(UDP_TUNNEL_DROP_INFO) N(CHANGE_TX_QUEUE_LEN)
9daae9bd47cff8 Gal Pressman 2018-03-28  1686  	N(CVLAN_FILTER_PUSH_INFO) N(CVLAN_FILTER_DROP_INFO)
9daae9bd47cff8 Gal Pressman 2018-03-28  1687  	N(SVLAN_FILTER_PUSH_INFO) N(SVLAN_FILTER_DROP_INFO)
a8a72b09197b26 Petr Machata 2021-10-22  1688  	N(PRE_CHANGEADDR) N(OFFLOAD_XSTATS_GET)
3f5ecd8a90dd55 Kirill Tkhai 2018-04-26  1689  	}
ede2762d93ff16 Kirill Tkhai 2018-03-23  1690  #undef N
ede2762d93ff16 Kirill Tkhai 2018-03-23  1691  	return "UNKNOWN_NETDEV_EVENT";
ede2762d93ff16 Kirill Tkhai 2018-03-23  1692  }
ede2762d93ff16 Kirill Tkhai 2018-03-23  1693  EXPORT_SYMBOL_GPL(netdev_cmd_to_name);
ede2762d93ff16 Kirill Tkhai 2018-03-23  1694  

:::::: The code at line 1676 was first introduced by commit
:::::: ede2762d93ff16e0974f7446516b46b1022db213 net: Make NETDEV_XXX commands enum { }

:::::: TO: Kirill Tkhai <ktkhai@virtuozzo.com>
:::::: CC: David S. Miller <davem@davemloft.net>

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

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