Re: [PATCH net-next 1/9] netdevsim: a basic test PSP implementation

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

Hi Daniel,

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/Daniel-Zahka/netdevsim-a-basic-test-PSP-implementation/20250925-035305
base:   net-next/main
patch link:    https://lore.kernel.org/r/20250924194959.2845473-2-daniel.zahka%40gmail.com
patch subject: [PATCH net-next 1/9] netdevsim: a basic test PSP implementation
config: i386-buildonly-randconfig-003-20250925 (https://download.01.org/0day-ci/archive/20250925/202509251404.crckqEdD-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250925/202509251404.crckqEdD-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202509251404.crckqEdD-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/net/netdevsim/netdev.c: In function 'nsim_forward_skb':
>> drivers/net/netdevsim/netdev.c:116:36: error: 'SKB_EXT_PSP' undeclared (first use in this function); did you mean 'SKB_EXT_NUM'?
     116 |                 __skb_ext_set(skb, SKB_EXT_PSP, psp_ext);
         |                                    ^~~~~~~~~~~
         |                                    SKB_EXT_NUM
   drivers/net/netdevsim/netdev.c:116:36: note: each undeclared identifier is reported only once for each function it appears in


vim +116 drivers/net/netdevsim/netdev.c

   102	
   103	static int nsim_forward_skb(struct net_device *tx_dev,
   104				    struct net_device *rx_dev,
   105				    struct sk_buff *skb,
   106				    struct nsim_rq *rq,
   107				    struct skb_ext *psp_ext)
   108	{
   109		int ret;
   110	
   111		ret = __dev_forward_skb(rx_dev, skb);
   112		if (ret)
   113			return ret;
   114	
   115		if (psp_ext)
 > 116			__skb_ext_set(skb, SKB_EXT_PSP, psp_ext);
   117	
   118		return nsim_napi_rx(tx_dev, rx_dev, rq, skb);
   119	}
   120	

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