* Re: [PATCH RFC net-next 6/6] cadence: macb/gem: introduce xmit support
[not found] <20251119135330.551835-7-pvalerio@redhat.com>
@ 2025-11-22 20:49 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-11-22 20:49 UTC (permalink / raw)
To: Paolo Valerio; +Cc: llvm, oe-kbuild-all
Hi Paolo,
[This is a private test report for your RFC patch.]
kernel test robot noticed the following build warnings:
[auto build test WARNING on net-next/main]
url: https://github.com/intel-lab-lkp/linux/commits/Paolo-Valerio/cadence-macb-gem-Add-page-pool-support/20251119-222149
base: net-next/main
patch link: https://lore.kernel.org/r/20251119135330.551835-7-pvalerio%40redhat.com
patch subject: [PATCH RFC net-next 6/6] cadence: macb/gem: introduce xmit support
config: riscv-defconfig (https://download.01.org/0day-ci/archive/20251123/202511230432.HbfOQLRw-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9e9fe08b16ea2c4d9867fb4974edf2a3776d6ece)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251123/202511230432.HbfOQLRw-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/202511230432.HbfOQLRw-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/net/ethernet/cadence/macb_main.c:1515:3: warning: label followed by a declaration is a C23 extension [-Wc23-extensions]
1515 | struct xdp_frame *xdpf = xdp_convert_buff_to_frame(xdp);
| ^
1 warning generated.
vim +1515 drivers/net/ethernet/cadence/macb_main.c
1491
1492 static u32 gem_xdp_run(struct macb_queue *queue, struct xdp_buff *xdp,
1493 struct net_device *dev, dma_addr_t addr)
1494 {
1495 struct bpf_prog *prog;
1496 u32 act = XDP_PASS;
1497
1498 rcu_read_lock();
1499
1500 prog = rcu_dereference(queue->bp->prog);
1501 if (!prog)
1502 goto out;
1503
1504 act = bpf_prog_run_xdp(prog, xdp);
1505 switch (act) {
1506 case XDP_PASS:
1507 goto out;
1508 case XDP_REDIRECT:
1509 if (unlikely(xdp_do_redirect(dev, xdp, prog))) {
1510 act = XDP_DROP;
1511 break;
1512 }
1513 goto out;
1514 case XDP_TX:
> 1515 struct xdp_frame *xdpf = xdp_convert_buff_to_frame(xdp);
1516
1517 if (!xdpf || macb_xdp_submit_frame(queue->bp, xdpf, dev, addr))
1518 act = XDP_DROP;
1519 goto out;
1520 default:
1521 bpf_warn_invalid_xdp_action(dev, prog, act);
1522 fallthrough;
1523 case XDP_ABORTED:
1524 trace_xdp_exception(dev, prog, act);
1525 fallthrough;
1526 case XDP_DROP:
1527 break;
1528 }
1529
1530 page_pool_put_full_page(queue->page_pool,
1531 virt_to_head_page(xdp->data), true);
1532 out:
1533 rcu_read_unlock();
1534
1535 return act;
1536 }
1537
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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