Hi Maxime, I love your patch! Yet something to improve: [auto build test ERROR on net-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Maxime-Chevallier/net-ipqess-introduce-Qualcomm-IPQESS-driver/20221028-235225 patch link: https://lore.kernel.org/r/20221028154924.789116-4-maxime.chevallier%40bootlin.com patch subject: [PATCH net-next v6 3/5] net: dsa: add out-of-band tagging protocol config: ia64-allmodconfig compiler: ia64-linux-gcc (GCC) 12.1.0 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://github.com/intel-lab-lkp/linux/commit/884e36895753174613b5411e0b1da1f2ccb719bc git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Maxime-Chevallier/net-ipqess-introduce-Qualcomm-IPQESS-driver/20221028-235225 git checkout 884e36895753174613b5411e0b1da1f2ccb719bc # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 SHELL=/bin/bash net/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from include/vdso/const.h:5, from include/linux/const.h:4, from include/linux/list.h:9, from include/linux/module.h:12, from net/core/skbuff.c:37: >> net/core/skbuff.c:4491:49: error: invalid application of 'sizeof' to incomplete type 'struct dsa_oob_tag_info' 4491 | [SKB_EXT_DSA_OOB] = SKB_EXT_CHUNKSIZEOF(struct dsa_oob_tag_info), | ^~~~~~ include/uapi/linux/const.h:32:44: note: in definition of macro '__ALIGN_KERNEL_MASK' 32 | #define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask)) | ^ include/linux/align.h:8:33: note: in expansion of macro '__ALIGN_KERNEL' 8 | #define ALIGN(x, a) __ALIGN_KERNEL((x), (a)) | ^~~~~~~~~~~~~~ net/core/skbuff.c:4472:34: note: in expansion of macro 'ALIGN' 4472 | #define SKB_EXT_CHUNKSIZEOF(x) (ALIGN((sizeof(x)), SKB_EXT_ALIGN_VALUE) / SKB_EXT_ALIGN_VALUE) | ^~~~~ net/core/skbuff.c:4491:29: note: in expansion of macro 'SKB_EXT_CHUNKSIZEOF' 4491 | [SKB_EXT_DSA_OOB] = SKB_EXT_CHUNKSIZEOF(struct dsa_oob_tag_info), | ^~~~~~~~~~~~~~~~~~~ >> net/core/skbuff.c:4491:49: error: invalid application of 'sizeof' to incomplete type 'struct dsa_oob_tag_info' 4491 | [SKB_EXT_DSA_OOB] = SKB_EXT_CHUNKSIZEOF(struct dsa_oob_tag_info), | ^~~~~~ include/uapi/linux/const.h:32:50: note: in definition of macro '__ALIGN_KERNEL_MASK' 32 | #define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask)) | ^~~~ include/linux/align.h:8:33: note: in expansion of macro '__ALIGN_KERNEL' 8 | #define ALIGN(x, a) __ALIGN_KERNEL((x), (a)) | ^~~~~~~~~~~~~~ net/core/skbuff.c:4472:34: note: in expansion of macro 'ALIGN' 4472 | #define SKB_EXT_CHUNKSIZEOF(x) (ALIGN((sizeof(x)), SKB_EXT_ALIGN_VALUE) / SKB_EXT_ALIGN_VALUE) | ^~~~~ net/core/skbuff.c:4491:29: note: in expansion of macro 'SKB_EXT_CHUNKSIZEOF' 4491 | [SKB_EXT_DSA_OOB] = SKB_EXT_CHUNKSIZEOF(struct dsa_oob_tag_info), | ^~~~~~~~~~~~~~~~~~~ >> net/core/skbuff.c:4491:49: error: invalid application of 'sizeof' to incomplete type 'struct dsa_oob_tag_info' 4491 | [SKB_EXT_DSA_OOB] = SKB_EXT_CHUNKSIZEOF(struct dsa_oob_tag_info), | ^~~~~~ include/uapi/linux/const.h:32:61: note: in definition of macro '__ALIGN_KERNEL_MASK' 32 | #define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask)) | ^~~~ include/linux/align.h:8:33: note: in expansion of macro '__ALIGN_KERNEL' 8 | #define ALIGN(x, a) __ALIGN_KERNEL((x), (a)) | ^~~~~~~~~~~~~~ net/core/skbuff.c:4472:34: note: in expansion of macro 'ALIGN' 4472 | #define SKB_EXT_CHUNKSIZEOF(x) (ALIGN((sizeof(x)), SKB_EXT_ALIGN_VALUE) / SKB_EXT_ALIGN_VALUE) | ^~~~~ net/core/skbuff.c:4491:29: note: in expansion of macro 'SKB_EXT_CHUNKSIZEOF' 4491 | [SKB_EXT_DSA_OOB] = SKB_EXT_CHUNKSIZEOF(struct dsa_oob_tag_info), | ^~~~~~~~~~~~~~~~~~~ vim +4491 net/core/skbuff.c 4473 4474 static const u8 skb_ext_type_len[] = { 4475 #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 4476 [SKB_EXT_BRIDGE_NF] = SKB_EXT_CHUNKSIZEOF(struct nf_bridge_info), 4477 #endif 4478 #ifdef CONFIG_XFRM 4479 [SKB_EXT_SEC_PATH] = SKB_EXT_CHUNKSIZEOF(struct sec_path), 4480 #endif 4481 #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 4482 [TC_SKB_EXT] = SKB_EXT_CHUNKSIZEOF(struct tc_skb_ext), 4483 #endif 4484 #if IS_ENABLED(CONFIG_MPTCP) 4485 [SKB_EXT_MPTCP] = SKB_EXT_CHUNKSIZEOF(struct mptcp_ext), 4486 #endif 4487 #if IS_ENABLED(CONFIG_MCTP_FLOWS) 4488 [SKB_EXT_MCTP] = SKB_EXT_CHUNKSIZEOF(struct mctp_flow), 4489 #endif 4490 #if IS_ENABLED(CONFIG_NET_DSA_TAG_OOB) > 4491 [SKB_EXT_DSA_OOB] = SKB_EXT_CHUNKSIZEOF(struct dsa_oob_tag_info), 4492 #endif 4493 }; 4494 -- 0-DAY CI Kernel Test Service https://01.org/lkp