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* [toke:xdp-queueing-01 1/9] net/core/filter.c:3992:31: error: implicit declaration of function 'pifo_map_enqueue'; did you mean 'cpu_map_enqueue'?
@ 2021-11-11 19:53 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-11-11 19:53 UTC (permalink / raw)
  To: Toke Høiland-Jørgensen; +Cc: kbuild-all, linux-kernel

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git xdp-queueing-01
head:   7cdc645073a59261514e56e1a4c6d0dac1b24b32
commit: 181bc9e4a64cc89cae2fe5b0091ed328383ad40c [1/9] Add a PIFO map type for queueing packets
config: sparc-defconfig (attached as .config)
compiler: sparc-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git/commit/?id=181bc9e4a64cc89cae2fe5b0091ed328383ad40c
        git remote add toke https://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git
        git fetch --no-tags toke xdp-queueing-01
        git checkout 181bc9e4a64cc89cae2fe5b0091ed328383ad40c
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=sparc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   net/core/filter.c: In function 'xdp_do_redirect':
>> net/core/filter.c:3992:31: error: implicit declaration of function 'pifo_map_enqueue'; did you mean 'cpu_map_enqueue'? [-Werror=implicit-function-declaration]
    3992 |                         err = pifo_map_enqueue(map, xdp, ri->tgt_index);
         |                               ^~~~~~~~~~~~~~~~
         |                               cpu_map_enqueue
   cc1: some warnings being treated as errors


vim +3992 net/core/filter.c

  3960	
  3961	int xdp_do_redirect(struct net_device *dev, struct xdp_buff *xdp,
  3962			    struct bpf_prog *xdp_prog)
  3963	{
  3964		struct bpf_redirect_info *ri = this_cpu_ptr(&bpf_redirect_info);
  3965		enum bpf_map_type map_type = ri->map_type;
  3966		void *fwd = ri->tgt_value;
  3967		u32 map_id = ri->map_id;
  3968		struct bpf_map *map;
  3969		int err;
  3970	
  3971		ri->map_id = 0; /* Valid map id idr range: [1,INT_MAX[ */
  3972		ri->map_type = BPF_MAP_TYPE_UNSPEC;
  3973	
  3974		switch (map_type) {
  3975		case BPF_MAP_TYPE_DEVMAP:
  3976			fallthrough;
  3977		case BPF_MAP_TYPE_DEVMAP_HASH:
  3978			map = READ_ONCE(ri->map);
  3979			if (unlikely(map)) {
  3980				WRITE_ONCE(ri->map, NULL);
  3981				err = dev_map_enqueue_multi(xdp, dev, map,
  3982							    ri->flags & BPF_F_EXCLUDE_INGRESS);
  3983			} else {
  3984				err = dev_map_enqueue(fwd, xdp, dev);
  3985			}
  3986			break;
  3987		case BPF_MAP_TYPE_PIFO:
  3988			map = READ_ONCE(ri->map);
  3989			if (unlikely(!map))
  3990				err = -EINVAL;
  3991			else
> 3992				err = pifo_map_enqueue(map, xdp, ri->tgt_index);
  3993			break;
  3994		case BPF_MAP_TYPE_CPUMAP:
  3995			err = cpu_map_enqueue(fwd, xdp, dev);
  3996			break;
  3997		case BPF_MAP_TYPE_XSKMAP:
  3998			err = __xsk_map_redirect(fwd, xdp);
  3999			break;
  4000		case BPF_MAP_TYPE_UNSPEC:
  4001			if (map_id == INT_MAX) {
  4002				fwd = dev_get_by_index_rcu(dev_net(dev), ri->tgt_index);
  4003				if (unlikely(!fwd)) {
  4004					err = -EINVAL;
  4005					break;
  4006				}
  4007				err = dev_xdp_enqueue(fwd, xdp, dev);
  4008				break;
  4009			}
  4010			fallthrough;
  4011		default:
  4012			err = -EBADRQC;
  4013		}
  4014	
  4015		if (unlikely(err))
  4016			goto err;
  4017	
  4018		_trace_xdp_redirect_map(dev, xdp_prog, fwd, map_type, map_id, ri->tgt_index);
  4019		return 0;
  4020	err:
  4021		_trace_xdp_redirect_map_err(dev, xdp_prog, fwd, map_type, map_id, ri->tgt_index, err);
  4022		return err;
  4023	}
  4024	EXPORT_SYMBOL_GPL(xdp_do_redirect);
  4025	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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2021-11-11 19:53 [toke:xdp-queueing-01 1/9] net/core/filter.c:3992:31: error: implicit declaration of function 'pifo_map_enqueue'; did you mean 'cpu_map_enqueue'? kernel test robot

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