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@xxxxxxxxx/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@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202310050738.ZFOKzSlA-lkp@xxxxxxxxx/ 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