Hi Sameeh, FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 69119673bd50b176ded34032fadd41530fb5af21 commit: 548c4940b9f1f527f81509468dd60b61418880b6 net: ena: Implement XDP_TX action date: 6 months ago config: i386-randconfig-r004-20200617 (attached as .config) compiler: gcc-4.9 (Ubuntu 4.9.3-13ubuntu2) 4.9.3 reproduce (this is a W=1 build): git checkout 548c4940b9f1f527f81509468dd60b61418880b6 # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All warnings (new ones prefixed by >>, old ones prefixed by <<): drivers/net/ethernet/amazon/ena/ena_netdev.c: In function 'ena_xdp_xmit_buff': >> drivers/net/ethernet/amazon/ena/ena_netdev.c:312:9: warning: missing braces >> around initializer [-Wmissing-braces] struct ena_com_tx_ctx ena_tx_ctx = {0}; ^ drivers/net/ethernet/amazon/ena/ena_netdev.c:312:9: warning: (near initialization for 'ena_tx_ctx.ena_meta') [-Wmissing-braces] drivers/net/ethernet/amazon/ena/ena_netdev.c:315:19: warning: variable 'rx_ring' set but not used [-Wunused-but-set-variable] struct ena_ring *rx_ring; ^ drivers/net/ethernet/amazon/ena/ena_netdev.c: At top level: drivers/net/ethernet/amazon/ena/ena_netdev.c:465:6: warning: no previous prototype for 'ena_xdp_exchange_program_rx_in_range' [-Wmissing-prototypes] void ena_xdp_exchange_program_rx_in_range(struct ena_adapter *adapter, ^ drivers/net/ethernet/amazon/ena/ena_netdev.c:486:6: warning: no previous prototype for 'ena_xdp_exchange_program' [-Wmissing-prototypes] void ena_xdp_exchange_program(struct ena_adapter *adapter, ^ drivers/net/ethernet/amazon/ena/ena_netdev.c:1553:5: warning: no previous prototype for 'ena_xdp_handle_buff' [-Wmissing-prototypes] int ena_xdp_handle_buff(struct ena_ring *rx_ring, struct xdp_buff *xdp) ^ vim +312 drivers/net/ethernet/amazon/ena/ena_netdev.c 305 306 static int ena_xdp_xmit_buff(struct net_device *dev, 307 struct xdp_buff *xdp, 308 int qid, 309 struct ena_rx_buffer *rx_info) 310 { 311 struct ena_adapter *adapter = netdev_priv(dev); > 312 struct ena_com_tx_ctx ena_tx_ctx = {0}; 313 struct ena_tx_buffer *tx_info; 314 struct ena_ring *xdp_ring; 315 struct ena_ring *rx_ring; 316 u16 next_to_use, req_id; 317 int rc; 318 void *push_hdr; 319 u32 push_len; 320 321 xdp_ring = &adapter->tx_ring[qid]; 322 next_to_use = xdp_ring->next_to_use; 323 req_id = xdp_ring->free_ids[next_to_use]; 324 tx_info = &xdp_ring->tx_buffer_info[req_id]; 325 tx_info->num_of_bufs = 0; 326 rx_ring = &xdp_ring->adapter->rx_ring[qid - 327 xdp_ring->adapter->xdp_first_ring]; 328 page_ref_inc(rx_info->page); 329 tx_info->xdp_rx_page = rx_info->page; 330 331 rc = ena_xdp_tx_map_buff(xdp_ring, tx_info, xdp, &push_hdr, &push_len); 332 if (unlikely(rc)) 333 goto error_drop_packet; 334 335 ena_tx_ctx.ena_bufs = tx_info->bufs; 336 ena_tx_ctx.push_header = push_hdr; 337 ena_tx_ctx.num_bufs = tx_info->num_of_bufs; 338 ena_tx_ctx.req_id = req_id; 339 ena_tx_ctx.header_len = push_len; 340 341 rc = ena_xmit_common(dev, 342 xdp_ring, 343 tx_info, 344 &ena_tx_ctx, 345 next_to_use, 346 xdp->data_end - xdp->data); 347 if (rc) 348 goto error_unmap_dma; 349 /* trigger the dma engine. ena_com_write_sq_doorbell() 350 * has a mb 351 */ 352 ena_com_write_sq_doorbell(xdp_ring->ena_com_io_sq); 353 u64_stats_update_begin(&xdp_ring->syncp); 354 xdp_ring->tx_stats.doorbells++; 355 u64_stats_update_end(&xdp_ring->syncp); 356 357 return NETDEV_TX_OK; 358 359 error_unmap_dma: 360 ena_unmap_tx_buff(xdp_ring, tx_info); 361 tx_info->xdpf = NULL; 362 error_drop_packet: 363 364 return NETDEV_TX_OK; 365 } 366 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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