linux-kernel - Re: drivers/net/ethernet/wangxun/libwx/wx_ethtool.c:225:undefined reference to `phylink_ethtool_nway

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Message-Id: <9C57250E-E666-4AE0-8B88-25DB073B005B@net-swift.com>
Date: Mon, 10 Nov 2025 16:06:39 +0800
From: "mengyuanlou@...-swift.com" <mengyuanlou@...-swift.com>
To: kuba@...nel.org
Cc: oe-kbuild-all@...ts.linux.dev,
 linux-kernel@...r.kernel.org
Subject: Re: drivers/net/ethernet/wangxun/libwx/wx_ethtool.c:225:undefined
 reference to `phylink_ethtool_nway_reset'

Hi,

 A fix patch has already been submitted.

Commit id : a86eb2a60dcc2e23d86d24272d474f0ddecc824e
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/drivers/net/ethernet/wangxun?id=a86eb2a60dcc2e23d86d24272d474f0ddecc824e


> 2025年11月10日 12:12，kernel test robot <lkp@...el.com> 写道：
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   e9a6fb0bcdd7609be6969112f3fbfcce3b1d4a7c
> commit: a0008a3658a34a54e77f2568bdaa2626233b1459 net: wangxun: add ngbevf build
> date:   4 months ago
> config: x86_64-randconfig-072-20251110 (https://download.01.org/0day-ci/archive/20251110/202511101227.KAE47Twi-lkp@intel.com/config)
> compiler: gcc-13 (Debian 13.3.0-16) 13.3.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251110/202511101227.KAE47Twi-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@...el.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202511101227.KAE47Twi-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>   ld: drivers/net/ethernet/wangxun/libwx/wx_ethtool.o: in function `wx_nway_reset':
>>> drivers/net/ethernet/wangxun/libwx/wx_ethtool.c:225:(.text+0x1ea0): undefined reference to `phylink_ethtool_nway_reset'
>   ld: drivers/net/ethernet/wangxun/libwx/wx_ethtool.o: in function `wx_get_link_ksettings':
>>> drivers/net/ethernet/wangxun/libwx/wx_ethtool.c:234:(.text+0x1ef7): undefined reference to `phylink_ethtool_ksettings_get'
>   ld: drivers/net/ethernet/wangxun/libwx/wx_ethtool.o: in function `wx_set_link_ksettings':
>>> drivers/net/ethernet/wangxun/libwx/wx_ethtool.c:246:(.text+0x1f74): undefined reference to `phylink_ethtool_ksettings_set'
>   ld: drivers/net/ethernet/wangxun/libwx/wx_ethtool.o: in function `wx_set_pauseparam':
>>> drivers/net/ethernet/wangxun/libwx/wx_ethtool.c:270:(.text+0x2014): undefined reference to `phylink_ethtool_set_pauseparam'
>   ld: drivers/net/ethernet/wangxun/libwx/wx_ethtool.o: in function `wx_get_pauseparam':
>>> drivers/net/ethernet/wangxun/libwx/wx_ethtool.c:258:(.text+0x27a4): undefined reference to `phylink_ethtool_get_pauseparam'
> 
> 
> vim +225 drivers/net/ethernet/wangxun/libwx/wx_ethtool.c
> 
> e8e138cf7383cf Jiawen Wu 2024-01-03  217  
> e8e138cf7383cf Jiawen Wu 2024-01-03  218  int wx_nway_reset(struct net_device *netdev)
> e8e138cf7383cf Jiawen Wu 2024-01-03  219  {
> e8e138cf7383cf Jiawen Wu 2024-01-03  220   struct wx *wx = netdev_priv(netdev);
> e8e138cf7383cf Jiawen Wu 2024-01-03  221  
> 39709fe4bacda6 Jiawen Wu 2025-05-21  222   if (wx->mac.type == wx_mac_aml40)
> 2e5af6b2ae8532 Jiawen Wu 2025-02-21  223   return -EOPNOTSUPP;
> 2e5af6b2ae8532 Jiawen Wu 2025-02-21  224  
> e8e138cf7383cf Jiawen Wu 2024-01-03 @225   return phylink_ethtool_nway_reset(wx->phylink);
> e8e138cf7383cf Jiawen Wu 2024-01-03  226  }
> e8e138cf7383cf Jiawen Wu 2024-01-03  227  EXPORT_SYMBOL(wx_nway_reset);
> e8e138cf7383cf Jiawen Wu 2024-01-03  228  
> e8e138cf7383cf Jiawen Wu 2024-01-03  229  int wx_get_link_ksettings(struct net_device *netdev,
> e8e138cf7383cf Jiawen Wu 2024-01-03  230    struct ethtool_link_ksettings *cmd)
> e8e138cf7383cf Jiawen Wu 2024-01-03  231  {
> e8e138cf7383cf Jiawen Wu 2024-01-03  232   struct wx *wx = netdev_priv(netdev);
> e8e138cf7383cf Jiawen Wu 2024-01-03  233  
> e8e138cf7383cf Jiawen Wu 2024-01-03 @234   return phylink_ethtool_ksettings_get(wx->phylink, cmd);
> e8e138cf7383cf Jiawen Wu 2024-01-03  235  }
> e8e138cf7383cf Jiawen Wu 2024-01-03  236  EXPORT_SYMBOL(wx_get_link_ksettings);
> e8e138cf7383cf Jiawen Wu 2024-01-03  237  
> e8e138cf7383cf Jiawen Wu 2024-01-03  238  int wx_set_link_ksettings(struct net_device *netdev,
> e8e138cf7383cf Jiawen Wu 2024-01-03  239    const struct ethtool_link_ksettings *cmd)
> e8e138cf7383cf Jiawen Wu 2024-01-03  240  {
> e8e138cf7383cf Jiawen Wu 2024-01-03  241   struct wx *wx = netdev_priv(netdev);
> e8e138cf7383cf Jiawen Wu 2024-01-03  242  
> 39709fe4bacda6 Jiawen Wu 2025-05-21  243   if (wx->mac.type == wx_mac_aml40)
> 2e5af6b2ae8532 Jiawen Wu 2025-02-21  244   return -EOPNOTSUPP;
> 2e5af6b2ae8532 Jiawen Wu 2025-02-21  245  
> e8e138cf7383cf Jiawen Wu 2024-01-03 @246   return phylink_ethtool_ksettings_set(wx->phylink, cmd);
> e8e138cf7383cf Jiawen Wu 2024-01-03  247  }
> e8e138cf7383cf Jiawen Wu 2024-01-03  248  EXPORT_SYMBOL(wx_set_link_ksettings);
> 2fe2ca09da953b Jiawen Wu 2024-01-03  249  
> 2fe2ca09da953b Jiawen Wu 2024-01-03  250  void wx_get_pauseparam(struct net_device *netdev,
> 2fe2ca09da953b Jiawen Wu 2024-01-03  251         struct ethtool_pauseparam *pause)
> 2fe2ca09da953b Jiawen Wu 2024-01-03  252  {
> 2fe2ca09da953b Jiawen Wu 2024-01-03  253   struct wx *wx = netdev_priv(netdev);
> 2fe2ca09da953b Jiawen Wu 2024-01-03  254  
> 39709fe4bacda6 Jiawen Wu 2025-05-21  255   if (wx->mac.type == wx_mac_aml40)
> 2e5af6b2ae8532 Jiawen Wu 2025-02-21  256   return;
> 2e5af6b2ae8532 Jiawen Wu 2025-02-21  257  
> 2fe2ca09da953b Jiawen Wu 2024-01-03 @258   phylink_ethtool_get_pauseparam(wx->phylink, pause);
> 2fe2ca09da953b Jiawen Wu 2024-01-03  259  }
> 2fe2ca09da953b Jiawen Wu 2024-01-03  260  EXPORT_SYMBOL(wx_get_pauseparam);
> 2fe2ca09da953b Jiawen Wu 2024-01-03  261  
> 2fe2ca09da953b Jiawen Wu 2024-01-03  262  int wx_set_pauseparam(struct net_device *netdev,
> 2fe2ca09da953b Jiawen Wu 2024-01-03  263        struct ethtool_pauseparam *pause)
> 2fe2ca09da953b Jiawen Wu 2024-01-03  264  {
> 2fe2ca09da953b Jiawen Wu 2024-01-03  265   struct wx *wx = netdev_priv(netdev);
> 2fe2ca09da953b Jiawen Wu 2024-01-03  266  
> 39709fe4bacda6 Jiawen Wu 2025-05-21  267   if (wx->mac.type == wx_mac_aml40)
> 2e5af6b2ae8532 Jiawen Wu 2025-02-21  268   return -EOPNOTSUPP;
> 2e5af6b2ae8532 Jiawen Wu 2025-02-21  269  
> 2fe2ca09da953b Jiawen Wu 2024-01-03 @270   return phylink_ethtool_set_pauseparam(wx->phylink, pause);
> 2fe2ca09da953b Jiawen Wu 2024-01-03  271  }
> 2fe2ca09da953b Jiawen Wu 2024-01-03  272  EXPORT_SYMBOL(wx_set_pauseparam);
> 883b5984a5d290 Jiawen Wu 2024-01-03  273  
> 
> :::::: The code at line 225 was first introduced by commit
> :::::: e8e138cf7383cf820419fcbec63992e75a01467b net: libwx: add phylink to libwx
> 
> :::::: TO: Jiawen Wu <jiawenwu@...stnetic.com>
> :::::: CC: David S. Miller <davem@...emloft.net>
> 
> -- 
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki
>