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Message-ID: <202505100217.0jMyMEHN-lkp@intel.com>
Date: Sat, 10 May 2025 02:37:41 +0800
From: kernel test robot <lkp@...el.com>
To: Vladimir Oltean <vladimir.oltean@....com>, netdev@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev,
	Köry Maincent <kory.maincent@...tlin.com>,
	Wei Fang <wei.fang@....com>, Clark Wang <xiaoning.wang@....com>,
	Andrew Lunn <andrew@...n.ch>, Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Claudiu Manoil <claudiu.manoil@....com>,
	Simon Horman <horms@...nel.org>,
	Richard Cochran <richardcochran@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] net: enetc: convert to ndo_hwtstamp_get() and
 ndo_hwtstamp_set()

Hi Vladimir,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Vladimir-Oltean/net-enetc-convert-to-ndo_hwtstamp_get-and-ndo_hwtstamp_set/20250508-194458
base:   net-next/main
patch link:    https://lore.kernel.org/r/20250508114310.1258162-1-vladimir.oltean%40nxp.com
patch subject: [PATCH net-next] net: enetc: convert to ndo_hwtstamp_get() and ndo_hwtstamp_set()
config: arm64-randconfig-002-20250509 (https://download.01.org/0day-ci/archive/20250510/202505100217.0jMyMEHN-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250510/202505100217.0jMyMEHN-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/202505100217.0jMyMEHN-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/uapi/linux/posix_types.h:5,
                    from include/uapi/linux/types.h:14,
                    from include/linux/types.h:6,
                    from include/linux/kasan-checks.h:5,
                    from include/asm-generic/rwonce.h:26,
                    from arch/arm64/include/asm/rwonce.h:71,
                    from include/linux/compiler.h:390,
                    from include/linux/build_bug.h:5,
                    from include/linux/container_of.h:5,
                    from include/linux/list.h:5,
                    from include/linux/timer.h:5,
                    from drivers/net/ethernet/freescale/enetc/enetc.h:4,
                    from drivers/net/ethernet/freescale/enetc/enetc.c:4:
>> include/linux/stddef.h:8:16: error: expected identifier or '(' before 'void'
    #define NULL ((void *)0)
                   ^~~~
   drivers/net/ethernet/freescale/enetc/enetc.h:495:50: note: in expansion of macro 'NULL'
    #define enetc_hwtstamp_set(ndev, config, extack) NULL
                                                     ^~~~
   drivers/net/ethernet/freescale/enetc/enetc.c:3265:5: note: in expansion of macro 'enetc_hwtstamp_set'
    int enetc_hwtstamp_set(struct net_device *ndev,
        ^~~~~~~~~~~~~~~~~~
>> include/linux/stddef.h:8:23: error: expected ')' before numeric constant
    #define NULL ((void *)0)
                          ^
   drivers/net/ethernet/freescale/enetc/enetc.h:495:50: note: in expansion of macro 'NULL'
    #define enetc_hwtstamp_set(ndev, config, extack) NULL
                                                     ^~~~
   drivers/net/ethernet/freescale/enetc/enetc.c:3265:5: note: in expansion of macro 'enetc_hwtstamp_set'
    int enetc_hwtstamp_set(struct net_device *ndev,
        ^~~~~~~~~~~~~~~~~~
   In file included from include/linux/linkage.h:7,
                    from include/linux/printk.h:8,
                    from include/asm-generic/bug.h:22,
                    from arch/arm64/include/asm/bug.h:26,
                    from include/linux/ktime.h:24,
                    from include/linux/timer.h:6,
                    from drivers/net/ethernet/freescale/enetc/enetc.h:4,
                    from drivers/net/ethernet/freescale/enetc/enetc.c:4:
>> drivers/net/ethernet/freescale/enetc/enetc.c:3312:19: error: 'enetc_hwtstamp_set' undeclared here (not in a function); did you mean 'enetc_tstamp_tx'?
    EXPORT_SYMBOL_GPL(enetc_hwtstamp_set);
                      ^~~~~~~~~~~~~~~~~~
   include/linux/export.h:70:16: note: in definition of macro '__EXPORT_SYMBOL'
     extern typeof(sym) sym;     \
                   ^~~
   include/linux/export.h:84:33: note: in expansion of macro '_EXPORT_SYMBOL'
    #define EXPORT_SYMBOL_GPL(sym)  _EXPORT_SYMBOL(sym, "GPL")
                                    ^~~~~~~~~~~~~~
   drivers/net/ethernet/freescale/enetc/enetc.c:3312:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
    EXPORT_SYMBOL_GPL(enetc_hwtstamp_set);
    ^~~~~~~~~~~~~~~~~
   In file included from include/uapi/linux/posix_types.h:5,
                    from include/uapi/linux/types.h:14,
                    from include/linux/types.h:6,
                    from include/linux/kasan-checks.h:5,
                    from include/asm-generic/rwonce.h:26,
                    from arch/arm64/include/asm/rwonce.h:71,
                    from include/linux/compiler.h:390,
                    from include/linux/build_bug.h:5,
                    from include/linux/container_of.h:5,
                    from include/linux/list.h:5,
                    from include/linux/timer.h:5,
                    from drivers/net/ethernet/freescale/enetc/enetc.h:4,
                    from drivers/net/ethernet/freescale/enetc/enetc.c:4:
>> include/linux/stddef.h:8:16: error: expected identifier or '(' before 'void'
    #define NULL ((void *)0)
                   ^~~~
   drivers/net/ethernet/freescale/enetc/enetc.h:494:43: note: in expansion of macro 'NULL'
    #define enetc_hwtstamp_get(ndev, config)  NULL
                                              ^~~~
   drivers/net/ethernet/freescale/enetc/enetc.c:3314:5: note: in expansion of macro 'enetc_hwtstamp_get'
    int enetc_hwtstamp_get(struct net_device *ndev,
        ^~~~~~~~~~~~~~~~~~
>> include/linux/stddef.h:8:23: error: expected ')' before numeric constant
    #define NULL ((void *)0)
                          ^
   drivers/net/ethernet/freescale/enetc/enetc.h:494:43: note: in expansion of macro 'NULL'
    #define enetc_hwtstamp_get(ndev, config)  NULL
                                              ^~~~
   drivers/net/ethernet/freescale/enetc/enetc.c:3314:5: note: in expansion of macro 'enetc_hwtstamp_get'
    int enetc_hwtstamp_get(struct net_device *ndev,
        ^~~~~~~~~~~~~~~~~~
   In file included from include/linux/linkage.h:7,
                    from include/linux/printk.h:8,
                    from include/asm-generic/bug.h:22,
                    from arch/arm64/include/asm/bug.h:26,
                    from include/linux/ktime.h:24,
                    from include/linux/timer.h:6,
                    from drivers/net/ethernet/freescale/enetc/enetc.h:4,
                    from drivers/net/ethernet/freescale/enetc/enetc.c:4:
>> drivers/net/ethernet/freescale/enetc/enetc.c:3333:19: error: 'enetc_hwtstamp_get' undeclared here (not in a function); did you mean 'enetc_hwtstamp_set'?
    EXPORT_SYMBOL_GPL(enetc_hwtstamp_get);
                      ^~~~~~~~~~~~~~~~~~
   include/linux/export.h:70:16: note: in definition of macro '__EXPORT_SYMBOL'
     extern typeof(sym) sym;     \
                   ^~~
   include/linux/export.h:84:33: note: in expansion of macro '_EXPORT_SYMBOL'
    #define EXPORT_SYMBOL_GPL(sym)  _EXPORT_SYMBOL(sym, "GPL")
                                    ^~~~~~~~~~~~~~
   drivers/net/ethernet/freescale/enetc/enetc.c:3333:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
    EXPORT_SYMBOL_GPL(enetc_hwtstamp_get);
    ^~~~~~~~~~~~~~~~~
--
   In file included from include/uapi/linux/posix_types.h:5,
                    from include/uapi/linux/types.h:14,
                    from include/linux/types.h:6,
                    from include/linux/kasan-checks.h:5,
                    from include/asm-generic/rwonce.h:26,
                    from arch/arm64/include/asm/rwonce.h:71,
                    from include/linux/compiler.h:390,
                    from include/linux/build_bug.h:5,
                    from include/linux/container_of.h:5,
                    from include/linux/list.h:5,
                    from include/linux/timer.h:5,
                    from enetc.h:4,
                    from enetc.c:4:
>> include/linux/stddef.h:8:16: error: expected identifier or '(' before 'void'
    #define NULL ((void *)0)
                   ^~~~
   enetc.h:495:50: note: in expansion of macro 'NULL'
    #define enetc_hwtstamp_set(ndev, config, extack) NULL
                                                     ^~~~
   enetc.c:3265:5: note: in expansion of macro 'enetc_hwtstamp_set'
    int enetc_hwtstamp_set(struct net_device *ndev,
        ^~~~~~~~~~~~~~~~~~
>> include/linux/stddef.h:8:23: error: expected ')' before numeric constant
    #define NULL ((void *)0)
                          ^
   enetc.h:495:50: note: in expansion of macro 'NULL'
    #define enetc_hwtstamp_set(ndev, config, extack) NULL
                                                     ^~~~
   enetc.c:3265:5: note: in expansion of macro 'enetc_hwtstamp_set'
    int enetc_hwtstamp_set(struct net_device *ndev,
        ^~~~~~~~~~~~~~~~~~
   In file included from include/linux/linkage.h:7,
                    from include/linux/printk.h:8,
                    from include/asm-generic/bug.h:22,
                    from arch/arm64/include/asm/bug.h:26,
                    from include/linux/ktime.h:24,
                    from include/linux/timer.h:6,
                    from enetc.h:4,
                    from enetc.c:4:
   enetc.c:3312:19: error: 'enetc_hwtstamp_set' undeclared here (not in a function); did you mean 'enetc_tstamp_tx'?
    EXPORT_SYMBOL_GPL(enetc_hwtstamp_set);
                      ^~~~~~~~~~~~~~~~~~
   include/linux/export.h:70:16: note: in definition of macro '__EXPORT_SYMBOL'
     extern typeof(sym) sym;     \
                   ^~~
   include/linux/export.h:84:33: note: in expansion of macro '_EXPORT_SYMBOL'
    #define EXPORT_SYMBOL_GPL(sym)  _EXPORT_SYMBOL(sym, "GPL")
                                    ^~~~~~~~~~~~~~
   enetc.c:3312:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
    EXPORT_SYMBOL_GPL(enetc_hwtstamp_set);
    ^~~~~~~~~~~~~~~~~
   In file included from include/uapi/linux/posix_types.h:5,
                    from include/uapi/linux/types.h:14,
                    from include/linux/types.h:6,
                    from include/linux/kasan-checks.h:5,
                    from include/asm-generic/rwonce.h:26,
                    from arch/arm64/include/asm/rwonce.h:71,
                    from include/linux/compiler.h:390,
                    from include/linux/build_bug.h:5,
                    from include/linux/container_of.h:5,
                    from include/linux/list.h:5,
                    from include/linux/timer.h:5,
                    from enetc.h:4,
                    from enetc.c:4:
>> include/linux/stddef.h:8:16: error: expected identifier or '(' before 'void'
    #define NULL ((void *)0)
                   ^~~~
   enetc.h:494:43: note: in expansion of macro 'NULL'
    #define enetc_hwtstamp_get(ndev, config)  NULL
                                              ^~~~
   enetc.c:3314:5: note: in expansion of macro 'enetc_hwtstamp_get'
    int enetc_hwtstamp_get(struct net_device *ndev,
        ^~~~~~~~~~~~~~~~~~
>> include/linux/stddef.h:8:23: error: expected ')' before numeric constant
    #define NULL ((void *)0)
                          ^
   enetc.h:494:43: note: in expansion of macro 'NULL'
    #define enetc_hwtstamp_get(ndev, config)  NULL
                                              ^~~~
   enetc.c:3314:5: note: in expansion of macro 'enetc_hwtstamp_get'
    int enetc_hwtstamp_get(struct net_device *ndev,
        ^~~~~~~~~~~~~~~~~~
   In file included from include/linux/linkage.h:7,
                    from include/linux/printk.h:8,
                    from include/asm-generic/bug.h:22,
                    from arch/arm64/include/asm/bug.h:26,
                    from include/linux/ktime.h:24,
                    from include/linux/timer.h:6,
                    from enetc.h:4,
                    from enetc.c:4:
   enetc.c:3333:19: error: 'enetc_hwtstamp_get' undeclared here (not in a function); did you mean 'enetc_hwtstamp_set'?
    EXPORT_SYMBOL_GPL(enetc_hwtstamp_get);
                      ^~~~~~~~~~~~~~~~~~
   include/linux/export.h:70:16: note: in definition of macro '__EXPORT_SYMBOL'
     extern typeof(sym) sym;     \
                   ^~~
   include/linux/export.h:84:33: note: in expansion of macro '_EXPORT_SYMBOL'
    #define EXPORT_SYMBOL_GPL(sym)  _EXPORT_SYMBOL(sym, "GPL")
                                    ^~~~~~~~~~~~~~
   enetc.c:3333:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
    EXPORT_SYMBOL_GPL(enetc_hwtstamp_get);
    ^~~~~~~~~~~~~~~~~


vim +3312 drivers/net/ethernet/freescale/enetc/enetc.c

  3264	
  3265	int enetc_hwtstamp_set(struct net_device *ndev,
  3266			       struct kernel_hwtstamp_config *config,
  3267			       struct netlink_ext_ack *extack)
  3268	{
  3269		struct enetc_ndev_priv *priv = netdev_priv(ndev);
  3270		int err, new_offloads = priv->active_offloads;
  3271	
  3272		switch (config->tx_type) {
  3273		case HWTSTAMP_TX_OFF:
  3274			new_offloads &= ~ENETC_F_TX_TSTAMP_MASK;
  3275			break;
  3276		case HWTSTAMP_TX_ON:
  3277			new_offloads &= ~ENETC_F_TX_TSTAMP_MASK;
  3278			new_offloads |= ENETC_F_TX_TSTAMP;
  3279			break;
  3280		case HWTSTAMP_TX_ONESTEP_SYNC:
  3281			if (!enetc_si_is_pf(priv->si))
  3282				return -EOPNOTSUPP;
  3283	
  3284			new_offloads &= ~ENETC_F_TX_TSTAMP_MASK;
  3285			new_offloads |= ENETC_F_TX_ONESTEP_SYNC_TSTAMP;
  3286			break;
  3287		default:
  3288			return -ERANGE;
  3289		}
  3290	
  3291		switch (config->rx_filter) {
  3292		case HWTSTAMP_FILTER_NONE:
  3293			new_offloads &= ~ENETC_F_RX_TSTAMP;
  3294			break;
  3295		default:
  3296			new_offloads |= ENETC_F_RX_TSTAMP;
  3297			config->rx_filter = HWTSTAMP_FILTER_ALL;
  3298		}
  3299	
  3300		if ((new_offloads ^ priv->active_offloads) & ENETC_F_RX_TSTAMP) {
  3301			bool extended = !!(new_offloads & ENETC_F_RX_TSTAMP);
  3302	
  3303			err = enetc_reconfigure(priv, extended, NULL, NULL);
  3304			if (err)
  3305				return err;
  3306		}
  3307	
  3308		priv->active_offloads = new_offloads;
  3309	
  3310		return 0;
  3311	}
> 3312	EXPORT_SYMBOL_GPL(enetc_hwtstamp_set);
  3313	
  3314	int enetc_hwtstamp_get(struct net_device *ndev,
  3315			       struct kernel_hwtstamp_config *config)
  3316	{
  3317		struct enetc_ndev_priv *priv = netdev_priv(ndev);
  3318	
  3319		config->flags = 0;
  3320	
  3321		if (priv->active_offloads & ENETC_F_TX_ONESTEP_SYNC_TSTAMP)
  3322			config->tx_type = HWTSTAMP_TX_ONESTEP_SYNC;
  3323		else if (priv->active_offloads & ENETC_F_TX_TSTAMP)
  3324			config->tx_type = HWTSTAMP_TX_ON;
  3325		else
  3326			config->tx_type = HWTSTAMP_TX_OFF;
  3327	
  3328		config->rx_filter = (priv->active_offloads & ENETC_F_RX_TSTAMP) ?
  3329				     HWTSTAMP_FILTER_ALL : HWTSTAMP_FILTER_NONE;
  3330	
  3331		return 0;
  3332	}
> 3333	EXPORT_SYMBOL_GPL(enetc_hwtstamp_get);
  3334	

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

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