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Date: Thu, 5 Oct 2023 07:47:48 +0800
From: kernel test robot <lkp@...el.com>
To: Stanislav Fomichev <sdf@...gle.com>, bpf@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, ast@...nel.org, daniel@...earbox.net,
	andrii@...nel.org, martin.lau@...ux.dev, song@...nel.org,
	yhs@...com, john.fastabend@...il.com, kpsingh@...nel.org,
	sdf@...gle.com, haoluo@...gle.com, jolsa@...nel.org,
	kuba@...nel.org, toke@...nel.org, willemb@...gle.com,
	dsahern@...nel.org, magnus.karlsson@...el.com, bjorn@...nel.org,
	maciej.fijalkowski@...el.com, hawk@...nel.org,
	yoong.siang.song@...el.com, netdev@...r.kernel.org,
	xdp-hints@...-project.net, Saeed Mahameed <saeedm@...dia.com>
Subject: Re: [PATCH bpf-next v3 04/10] net/mlx5e: Implement AF_XDP TX
 timestamp and checksum offload

Hi Stanislav,

kernel test robot noticed the following build errors:

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

url:    https://github.com/intel-lab-lkp/linux/commits/Stanislav-Fomichev/xsk-Support-tx_metadata_len/20231004-040718
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link:    https://lore.kernel.org/r/20231003200522.1914523-5-sdf%40google.com
patch subject: [PATCH bpf-next v3 04/10] net/mlx5e: Implement AF_XDP TX timestamp and checksum offload
config: s390-defconfig (https://download.01.org/0day-ci/archive/20231005/202310050738.ZFOKzSlA-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231005/202310050738.ZFOKzSlA-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/202310050738.ZFOKzSlA-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.c: In function 'mlx5e_xsk_tx':
>> drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.c:117:33: error: implicit declaration of function 'xsk_tx_metadata_to_compl'; did you mean 'xsk_tx_metadata_complete'? [-Werror=implicit-function-declaration]
     117 |                                 xsk_tx_metadata_to_compl(meta, &compl);
         |                                 ^~~~~~~~~~~~~~~~~~~~~~~~
         |                                 xsk_tx_metadata_complete
   cc1: some warnings being treated as errors


vim +117 drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.c

    63	
    64	bool mlx5e_xsk_tx(struct mlx5e_xdpsq *sq, unsigned int budget)
    65	{
    66		struct xsk_buff_pool *pool = sq->xsk_pool;
    67		struct xsk_tx_metadata *meta = NULL;
    68		union mlx5e_xdp_info xdpi;
    69		bool work_done = true;
    70		bool flush = false;
    71	
    72		xdpi.mode = MLX5E_XDP_XMIT_MODE_XSK;
    73	
    74		for (; budget; budget--) {
    75			int check_result = INDIRECT_CALL_2(sq->xmit_xdp_frame_check,
    76							   mlx5e_xmit_xdp_frame_check_mpwqe,
    77							   mlx5e_xmit_xdp_frame_check,
    78							   sq);
    79			struct mlx5e_xmit_data xdptxd = {};
    80			struct xdp_desc desc;
    81			bool ret;
    82	
    83			if (unlikely(check_result < 0)) {
    84				work_done = false;
    85				break;
    86			}
    87	
    88			if (!xsk_tx_peek_desc(pool, &desc)) {
    89				/* TX will get stuck until something wakes it up by
    90				 * triggering NAPI. Currently it's expected that the
    91				 * application calls sendto() if there are consumed, but
    92				 * not completed frames.
    93				 */
    94				break;
    95			}
    96	
    97			xdptxd.dma_addr = xsk_buff_raw_get_dma(pool, desc.addr);
    98			xdptxd.data = xsk_buff_raw_get_data(pool, desc.addr);
    99			xdptxd.len = desc.len;
   100			meta = xsk_buff_get_metadata(pool, desc.addr);
   101	
   102			xsk_buff_raw_dma_sync_for_device(pool, xdptxd.dma_addr, xdptxd.len);
   103	
   104			ret = INDIRECT_CALL_2(sq->xmit_xdp_frame, mlx5e_xmit_xdp_frame_mpwqe,
   105					      mlx5e_xmit_xdp_frame, sq, &xdptxd,
   106					      check_result, meta);
   107			if (unlikely(!ret)) {
   108				if (sq->mpwqe.wqe)
   109					mlx5e_xdp_mpwqe_complete(sq);
   110	
   111				mlx5e_xsk_tx_post_err(sq, &xdpi);
   112			} else {
   113				mlx5e_xdpi_fifo_push(&sq->db.xdpi_fifo, xdpi);
   114				if (xp_tx_metadata_enabled(sq->xsk_pool)) {
   115					struct xsk_tx_metadata_compl compl;
   116	
 > 117					xsk_tx_metadata_to_compl(meta, &compl);

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

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