tree: https://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git xdp-traffic-gen-01 head: a7f4d7f9e215d1e540f81f6cd3f5b46d970c5449 commit: e55a74b240bfe62c2e3b65455611e472636d9fb3 [6/10] xdp: Move conversion to xdp_frame out of map functions config: arc-randconfig-r043-20211116 (attached as .config) compiler: arceb-elf-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... git remote add toke https://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git git fetch --no-tags toke xdp-traffic-gen-01 git checkout e55a74b240bfe62c2e3b65455611e472636d9fb3 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): net/core/filter.c: In function 'xdp_do_redirect': 3993 | err = dev_map_enqueue_multi(xdpf, dev, map, | ^~~~ | | | struct xdp_frame * In file included from include/linux/bpf-cgroup.h:5, from include/linux/cgroup-defs.h:22, from include/linux/cgroup.h:28, from include/net/netprio_cgroup.h:11, from include/linux/netdevice.h:41, from include/net/sock.h:46, from include/linux/sock_diag.h:8, from net/core/filter.c:26: include/linux/bpf.h:1827:44: note: expected 'struct xdp_buff *' but argument is of type 'struct xdp_frame *' 1827 | int dev_map_enqueue_multi(struct xdp_buff *xdp, struct net_device *dev_rx, | ~~~~~~~~~~~~~~~~~^~~ 3996 | err = dev_map_enqueue(fwd, xdpf, dev); | ^~~~ | | | struct xdp_frame * In file included from include/linux/bpf-cgroup.h:5, from include/linux/cgroup-defs.h:22, from include/linux/cgroup.h:28, from include/net/netprio_cgroup.h:11, from include/linux/netdevice.h:41, from include/net/sock.h:46, from include/linux/sock_diag.h:8, from net/core/filter.c:26: include/linux/bpf.h:1820:67: note: expected 'struct xdp_buff *' but argument is of type 'struct xdp_frame *' 1820 | int dev_map_enqueue(struct bpf_dtab_netdev *dst, struct xdp_buff *xdp, | ~~~~~~~~~~~~~~~~~^~~ 4000 | err = cpu_map_enqueue(fwd, xdpf, dev); | ^~~~ | | | struct xdp_frame * In file included from include/linux/bpf-cgroup.h:5, from include/linux/cgroup-defs.h:22, from include/linux/cgroup.h:28, from include/net/netprio_cgroup.h:11, from include/linux/netdevice.h:41, from include/net/sock.h:46, from include/linux/sock_diag.h:8, from net/core/filter.c:26: include/linux/bpf.h:1855:52: note: expected 'struct xdp_buff *' but argument is of type 'struct xdp_frame *' 1855 | struct xdp_buff *xdp, | ~~~~~~~~~~~~~~~~~^~~ 4010 | err = dev_xdp_enqueue(fwd, xdpf, dev); | ^~~~ | | | struct xdp_frame * In file included from include/linux/bpf-cgroup.h:5, from include/linux/cgroup-defs.h:22, from include/linux/cgroup.h:28, from include/net/netprio_cgroup.h:11, from include/linux/netdevice.h:41, from include/net/sock.h:46, from include/linux/sock_diag.h:8, from net/core/filter.c:26: include/linux/bpf.h:1813:62: note: expected 'struct xdp_buff *' but argument is of type 'struct xdp_frame *' 1813 | int dev_xdp_enqueue(struct net_device *dev, struct xdp_buff *xdp, | ~~~~~~~~~~~~~~~~~^~~ cc1: some warnings being treated as errors vim +/dev_map_enqueue_multi +3993 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 xdp_frame *xdpf; 3969 struct bpf_map *map; 3970 int err; 3971 3972 ri->map_id = 0; /* Valid map id idr range: [1,INT_MAX[ */ 3973 ri->map_type = BPF_MAP_TYPE_UNSPEC; 3974 3975 if (map_type == BPF_MAP_TYPE_XSKMAP) { 3976 err = __xsk_map_redirect(fwd, xdp); 3977 goto out; 3978 } 3979 3980 xdpf = xdp_convert_buff_to_frame(xdp); 3981 if (unlikely(!xdpf)) { 3982 err = -EOVERFLOW; 3983 goto err; 3984 } 3985 3986 switch (map_type) { 3987 case BPF_MAP_TYPE_DEVMAP: 3988 fallthrough; 3989 case BPF_MAP_TYPE_DEVMAP_HASH: 3990 map = READ_ONCE(ri->map); 3991 if (unlikely(map)) { 3992 WRITE_ONCE(ri->map, NULL); 3994 ri->flags & BPF_F_EXCLUDE_INGRESS); 3995 } else { 3997 } 3998 break; 3999 case BPF_MAP_TYPE_CPUMAP: 4001 break; 4002 break; 4003 case BPF_MAP_TYPE_UNSPEC: 4004 if (map_id == INT_MAX) { 4005 fwd = dev_get_by_index_rcu(dev_net(dev), ri->tgt_index); 4006 if (unlikely(!fwd)) { 4007 err = -EINVAL; 4008 break; 4009 } 4011 break; 4012 } 4013 fallthrough; 4014 default: 4015 err = -EBADRQC; 4016 } 4017 4018 out: 4019 if (unlikely(err)) 4020 goto err; 4021 4022 _trace_xdp_redirect_map(dev, xdp_prog, fwd, map_type, map_id, ri->tgt_index); 4023 return 0; 4024 err: 4025 _trace_xdp_redirect_map_err(dev, xdp_prog, fwd, map_type, map_id, ri->tgt_index, err); 4026 return err; 4027 } 4028 EXPORT_SYMBOL_GPL(xdp_do_redirect); 4029 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org