Hi John, [auto build test WARNING on net-next/master] url: https://github.com/0day-ci/linux/commits/John-Fastabend/tc-offload-for-cls_u32-on-ixgbe/20160203-173342 config: x86_64-randconfig-x005-201605 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): In file included from include/uapi/linux/stddef.h:1:0, from include/linux/stddef.h:4, from include/uapi/linux/posix_types.h:4, from include/uapi/linux/types.h:13, from include/linux/types.h:5, from drivers/net/ethernet/intel/fm10k/fm10k.h:24, from drivers/net/ethernet/intel/fm10k/fm10k_netdev.c:21: drivers/net/ethernet/intel/fm10k/fm10k_netdev.c: In function '__fm10k_setup_tc': drivers/net/ethernet/intel/fm10k/fm10k_netdev.c:1209:16: error: 'TC_H_ROOT' undeclared (first use in this function) if (handle != TC_H_ROOT) ^ include/linux/compiler.h:147:28: note: in definition of macro '__trace_if' if (__builtin_constant_p((cond)) ? !!(cond) : \ ^ >> drivers/net/ethernet/intel/fm10k/fm10k_netdev.c:1209:2: note: in expansion of macro 'if' if (handle != TC_H_ROOT) ^ drivers/net/ethernet/intel/fm10k/fm10k_netdev.c:1209:16: note: each undeclared identifier is reported only once for each function it appears in if (handle != TC_H_ROOT) ^ include/linux/compiler.h:147:28: note: in definition of macro '__trace_if' if (__builtin_constant_p((cond)) ? !!(cond) : \ ^ >> drivers/net/ethernet/intel/fm10k/fm10k_netdev.c:1209:2: note: in expansion of macro 'if' if (handle != TC_H_ROOT) ^ vim +/if +1209 drivers/net/ethernet/intel/fm10k/fm10k_netdev.c 1193 /* flag to indicate SWPRI has yet to be updated */ 1194 interface->flags |= FM10K_FLAG_SWPRI_CONFIG; 1195 1196 return 0; 1197 err_open: 1198 fm10k_mbx_free_irq(interface); 1199 err_mbx_irq: 1200 fm10k_clear_queueing_scheme(interface); 1201 err_queueing_scheme: 1202 netif_device_detach(dev); 1203 1204 return err; 1205 } 1206 1207 static int __fm10k_setup_tc(struct net_device *dev, u32 handle, u8 tc) 1208 { > 1209 if (handle != TC_H_ROOT) 1210 return -EINVAL; 1211 1212 return fm10k_setup_tc(dev, tc); 1213 } 1214 1215 static int fm10k_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) 1216 { 1217 switch (cmd) { --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation