Subject: Re: [PATCH bpf-next v4 13/21] ice: Implement checksum hint

From: kernel test robot <[email-masked]>
Date: Sat, 29 Jul 2023 05:02:25 +0800

Hi Larysa,

kernel test robot noticed the following build warnings:

[auto build test WARNING on bpf-next/master]

url:    https://github.com/intel-lab-lkp/linux/commits/Larysa-Zaremba/ice-make-RX-HW-timestamp-reading-code-more-reusable/20230729-023952
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link:    https://lore.kernel.org/r/20230728173923.1318596-14-larysa.zaremba%40intel.com
patch subject: [PATCH bpf-next v4 13/21] ice: Implement checksum hint
config: i386-randconfig-i012-20230728 (https://download.01.org/0day-ci/archive/20230729/[email-masked]/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce: (https://download.01.org/0day-ci/archive/20230729/[email-masked]/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 <[email-masked]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email-masked]/

All warnings (new ones prefixed by >>):

>> drivers/net/ethernet/intel/ice/ice_txrx_lib.c:674: warning: expecting prototype for ice_xdp_rx_csum_lvl(). Prototype was for ice_xdp_rx_csum() instead

vim +674 drivers/net/ethernet/intel/ice/ice_txrx_lib.c

   662	
   663	/**
   664	 * ice_xdp_rx_csum_lvl - Get level, at which HW has checked the checksum
   665	 * @ctx: XDP buff pointer
   666	 * @csum_status: destination address
   667	 * @csum_info: destination address
   668	 *
   669	 * Copy HW checksum level (if was checked) to the destination address.
   670	 */
   671	static int ice_xdp_rx_csum(const struct xdp_md *ctx,
   672				   enum xdp_csum_status *csum_status,
   673				   union xdp_csum_info *csum_info)
 > 674	{
   675		const struct ice_xdp_buff *xdp_ext = (void *)ctx;
   676		const union ice_32b_rx_flex_desc *eop_desc;
   677		enum ice_rx_csum_status status;
   678		u16 ptype;
   679	
   680		eop_desc = xdp_ext->pkt_ctx.eop_desc;
   681		ptype = ice_get_ptype(eop_desc);
   682	
   683		status = ice_get_rx_csum_status(eop_desc, ptype);
   684		if (status & ICE_RX_CSUM_NONE)
   685			return -ENODATA;
   686	
   687		*csum_status = XDP_CHECKSUM_VALID_LVL0 + ice_rx_csum_lvl(status);
   688		return 0;
   689	}
   690	

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