On Mon, 2017-03-13 at 20:50 +0800, kbuild test robot wrote: > Hi Eric, > > [auto build test WARNING on net-next/master] > > url: > https://github.com/0day-ci/linux/commits/Eric-Dumazet/mlx4-Better-use-of-order-0-pages-in-RX-path/20170313-191100 > config: x86_64-randconfig-s5-03131942 (attached as .config) > compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 > reproduce: > # save the attached .config to linux build tree > make ARCH=x86_64 > > All warnings (new ones prefixed by >>): > > drivers/net/ethernet/mellanox/mlx4/en_rx.c:622:12: warning: 'struct iphdr' > declared inside parameter list will not be visible outside of this definition > or declaration > struct iphdr *iph) > ^~~~~ > In file included from include/linux/swab.h:4:0, > from include/uapi/linux/byteorder/little_endian.h:12, > from include/linux/byteorder/little_endian.h:4, > from arch/x86/include/uapi/asm/byteorder.h:4, > from include/asm-generic/bitops/le.h:5, > from arch/x86/include/asm/bitops.h:517, > from include/linux/bitops.h:36, > from include/linux/kernel.h:10, > from include/linux/list.h:8, > from include/linux/timer.h:4, > from include/linux/workqueue.h:8, > from include/linux/bpf.h:12, > from drivers/net/ethernet/mellanox/mlx4/en_rx.c:34: > drivers/net/ethernet/mellanox/mlx4/en_rx.c: In function > 'get_fixed_ipv4_csum': > drivers/net/ethernet/mellanox/mlx4/en_rx.c:627:36: error: dereferencing > pointer to incomplete type 'struct iphdr' > length_for_csum = (be16_to_cpu(iph->tot_len) - (iph->ihl << 2)); > ^ > include/uapi/linux/swab.h:100:54: note: in definition of macro '__swab16' > #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) > ^ > >> include/linux/byteorder/generic.h:96:21: note: in expansion of macro > >> '__be16_to_cpu' > #define be16_to_cpu __be16_to_cpu > ^~~~~~~~~~~~~ > >> drivers/net/ethernet/mellanox/mlx4/en_rx.c:627:21: note: in expansion of > >> macro 'be16_to_cpu' > length_for_csum = (be16_to_cpu(iph->tot_len) - (iph->ihl << 2)); > ^~~~~~~~~~~ > > vim +/be16_to_cpu +627 drivers/net/ethernet/mellanox/mlx4/en_rx.c
I removed the include <net/budy_poll.h> It seems we need <net/ip.h>.
