drivers/net/ethernet/intel/ice/ice_txrx_lib.c:618:44: error: request for member 'wb' in something not a structure or union

drivers/net/ethernet/intel/ice/ice_txrx_lib.c:618:44: error: request for member 'wb' in something not a structure or union

[kernel test robot]

tree:   https://github.com/intel-lab-lkp/linux/commits/Vladimir-Vdovin/xdp-let-XDP-programs-assert-the-RX-checksum-over-redirect/20260701-032331
head:   346975980761957300c1f7931bbbf1d97df1d5e6
commit: ce9d0ecf93e84f1be1508b5741e4510dd3df4203 ice: support the rx_csum XDP metadata hint
date:   10 hours ago
config: x86_64-rhel-9.4 (https://download.01.org/0day-ci/archive/20260701/202607010724.hsXtxSGm-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/20260701/202607010724.hsXtxSGm-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/202607010724.hsXtxSGm-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   In file included from include/linux/byteorder/little_endian.h:5,
                    from arch/x86/include/uapi/asm/byteorder.h:5,
                    from include/asm-generic/qrwlock_types.h:6,
                    from arch/x86/include/asm/spinlock_types.h:7,
                    from include/linux/spinlock_types_raw.h:7,
                    from include/linux/ratelimit_types.h:7,
                    from include/linux/printk.h:9,
                    from include/asm-generic/bug.h:31,
                    from arch/x86/include/asm/bug.h:195,
                    from arch/x86/include/asm/alternative.h:9,
                    from arch/x86/include/asm/atomic.h:7,
                    from include/linux/atomic.h:7,
                    from include/linux/filter.h:8,
                    from drivers/net/ethernet/intel/ice/ice_txrx_lib.c:4:
   drivers/net/ethernet/intel/ice/ice_txrx_lib.c: In function 'ice_xdp_rx_csum':
>> drivers/net/ethernet/intel/ice/ice_txrx_lib.c:618:44: warning: dereferencing 'void *' pointer
     618 |         status0 = le16_to_cpu(xdp_ext->desc->wb.status_error0);
         |                                            ^~
   include/uapi/linux/byteorder/little_endian.h:37:51: note: in definition of macro '__le16_to_cpu'
      37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
         |                                                   ^
   drivers/net/ethernet/intel/ice/ice_txrx_lib.c:618:19: note: in expansion of macro 'le16_to_cpu'
     618 |         status0 = le16_to_cpu(xdp_ext->desc->wb.status_error0);
         |                   ^~~~~~~~~~~
>> drivers/net/ethernet/intel/ice/ice_txrx_lib.c:618:44: error: request for member 'wb' in something not a structure or union
     618 |         status0 = le16_to_cpu(xdp_ext->desc->wb.status_error0);
         |                                            ^~
   include/uapi/linux/byteorder/little_endian.h:37:51: note: in definition of macro '__le16_to_cpu'
      37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
         |                                                   ^
   drivers/net/ethernet/intel/ice/ice_txrx_lib.c:618:19: note: in expansion of macro 'le16_to_cpu'
     618 |         status0 = le16_to_cpu(xdp_ext->desc->wb.status_error0);
         |                   ^~~~~~~~~~~


vim +/wb +618 drivers/net/ethernet/intel/ice/ice_txrx_lib.c

   596	
   597	/**
   598	 * ice_xdp_rx_csum - RX checksum XDP hint handler
   599	 * @ctx: XDP buff pointer
   600	 * @csum_status: destination for the checksum verdict
   601	 *
   602	 * Report whether the hardware validated the packet's L4 checksum, mirroring
   603	 * the verdict ice_rx_csum() uses for CHECKSUM_UNNECESSARY.  Return -ENODATA
   604	 * when RX checksum offload is disabled, since the status bits are not
   605	 * meaningful then.
   606	 */
   607	static int ice_xdp_rx_csum(const struct xdp_md *ctx,
   608				   enum xdp_csum_status *csum_status)
   609	{
   610		const struct libeth_xdp_buff *xdp_ext = (void *)ctx;
   611		struct ice_rx_ring *rx_ring;
   612		u16 status0;
   613	
   614		rx_ring = libeth_xdp_buff_to_rq(xdp_ext, typeof(*rx_ring), xdp_rxq);
   615		if (!(rx_ring->netdev->features & NETIF_F_RXCSUM))
   616			return -ENODATA;
   617	
 > 618		status0 = le16_to_cpu(xdp_ext->desc->wb.status_error0);
   619		if ((status0 & BIT(ICE_RX_FLEX_DESC_STATUS0_L3L4P_S)) &&
   620		    !(status0 & BIT(ICE_RX_FLEX_DESC_STATUS0_XSUM_L4E_S)))
   621			*csum_status = XDP_CSUM_VERIFIED;
   622		else
   623			*csum_status = XDP_CSUM_NONE;
   624	
   625		return 0;
   626	}
   627	

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