tree: https://git.kernel.org/pub/scm/linux/kernel/git/dborkman/bpf.git pr/bpf-tstamp head: f7d619a946e981177777983af26e9e31163ffb38 commit: f7d619a946e981177777983af26e9e31163ffb38 [3/3] net: skb clock bases config: i386-buildonly-randconfig-r002-20210916 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c8b3d7d6d6de37af68b2f379d0e37304f78e115f) 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/dborkman/bpf.git/commit/?... git remote add dborkman-bpf https://git.kernel.org/pub/scm/linux/kernel/git/dborkman/bpf.git git fetch --no-tags dborkman-bpf pr/bpf-tstamp git checkout f7d619a946e981177777983af26e9e31163ffb38 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/net/ethernet/broadcom/ drivers/net/ethernet/chelsio/cxgb4/ drivers/net/ethernet/intel/fm10k/ drivers/net/ethernet/intel/i40e/ drivers/net/ethernet/neterion/ drivers/scsi/qla4xxx/ net/sched/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): In file included from drivers/scsi/qla4xxx/ql4_os.c:15: In file included from drivers/scsi/qla4xxx/ql4_def.h:30: return tcp_ns_to_ts(skb->skb_mstamp_ns); ~~~ ^ include/net/tcp.h:818:22: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' return div_u64(skb->skb_mstamp_ns, NSEC_PER_USEC); ~~~ ^ include/net/tcp.h:2367:8: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' skb->skb_mstamp_ns += (u64)tp->tcp_tx_delay * NSEC_PER_USEC; ~~~ ^ if (dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(64))) { ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ 1 warning and 3 errors generated. -- In file included from drivers/scsi/qla4xxx/ql4_init.c:8: In file included from drivers/scsi/qla4xxx/ql4_def.h:30: return tcp_ns_to_ts(skb->skb_mstamp_ns); ~~~ ^ include/net/tcp.h:818:22: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' return div_u64(skb->skb_mstamp_ns, NSEC_PER_USEC); ~~~ ^ include/net/tcp.h:2367:8: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' skb->skb_mstamp_ns += (u64)tp->tcp_tx_delay * NSEC_PER_USEC; ~~~ ^ 3 errors generated. -- In file included from drivers/net/ethernet/broadcom/bnx2.c:43: return tcp_ns_to_ts(skb->skb_mstamp_ns); ~~~ ^ include/net/tcp.h:818:22: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' return div_u64(skb->skb_mstamp_ns, NSEC_PER_USEC); ~~~ ^ include/net/tcp.h:2367:8: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' skb->skb_mstamp_ns += (u64)tp->tcp_tx_delay * NSEC_PER_USEC; ~~~ ^ persist_dma_mask = dma_mask = DMA_BIT_MASK(64); ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ 1 warning and 3 errors generated. -- In file included from net/sched/sch_taprio.c:26: return tcp_ns_to_ts(skb->skb_mstamp_ns); ~~~ ^ include/net/tcp.h:818:22: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' return div_u64(skb->skb_mstamp_ns, NSEC_PER_USEC); ~~~ ^ include/net/tcp.h:2367:8: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' skb->skb_mstamp_ns += (u64)tp->tcp_tx_delay * NSEC_PER_USEC; ~~~ ^ return ktime_mono_to_any(skb->skb_mstamp_ns, q->tk_offset); ~~~ ^ 4 errors generated. -- In file included from drivers/net/ethernet/neterion/s2io.c:81: return tcp_ns_to_ts(skb->skb_mstamp_ns); ~~~ ^ include/net/tcp.h:818:22: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' return div_u64(skb->skb_mstamp_ns, NSEC_PER_USEC); ~~~ ^ include/net/tcp.h:2367:8: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' skb->skb_mstamp_ns += (u64)tp->tcp_tx_delay * NSEC_PER_USEC; ~~~ ^ if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) { ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ drivers/net/ethernet/neterion/s2io.c:7683:41: warning: shift count >= width of type [-Wshift-count-overflow] if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64))) { ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ 2 warnings and 3 errors generated. -- In file included from drivers/net/ethernet/intel/fm10k/fm10k_main.c:8: return tcp_ns_to_ts(skb->skb_mstamp_ns); ~~~ ^ include/net/tcp.h:818:22: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' return div_u64(skb->skb_mstamp_ns, NSEC_PER_USEC); ~~~ ^ include/net/tcp.h:2367:8: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' skb->skb_mstamp_ns += (u64)tp->tcp_tx_delay * NSEC_PER_USEC; ~~~ ^ desc_flags |= FM10K_SET_FLAG(tx_flags, FM10K_TX_FLAGS_CSUM, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/intel/fm10k/fm10k_main.c:870:26: note: expanded from macro 'FM10K_SET_FLAG' ((u32)(_input & _flag) / (_flag / _result))) ^ ~~~~~~~~~~~~~~~~~ 1 warning and 3 errors generated. -- In file included from drivers/net/ethernet/intel/i40e/i40e_main.c:12: In file included from drivers/net/ethernet/intel/i40e/i40e.h:7: return tcp_ns_to_ts(skb->skb_mstamp_ns); ~~~ ^ include/net/tcp.h:818:22: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' return div_u64(skb->skb_mstamp_ns, NSEC_PER_USEC); ~~~ ^ include/net/tcp.h:2367:8: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' skb->skb_mstamp_ns += (u64)tp->tcp_tx_delay * NSEC_PER_USEC; ~~~ ^ err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ 1 warning and 3 errors generated. -- In file included from drivers/net/ethernet/intel/i40e/i40e_common.c:4: In file included from drivers/net/ethernet/intel/i40e/i40e.h:7: return tcp_ns_to_ts(skb->skb_mstamp_ns); ~~~ ^ include/net/tcp.h:818:22: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' return div_u64(skb->skb_mstamp_ns, NSEC_PER_USEC); ~~~ ^ include/net/tcp.h:2367:8: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' skb->skb_mstamp_ns += (u64)tp->tcp_tx_delay * NSEC_PER_USEC; ~~~ ^ drivers/net/ethernet/intel/i40e/i40e_common.c:4139:6: warning: variable 'pe_cntx_size' set but not used [-Wunused-but-set-variable] u32 pe_cntx_size, pe_filt_size; ^ drivers/net/ethernet/intel/i40e/i40e_common.c:4139:20: warning: variable 'pe_filt_size' set but not used [-Wunused-but-set-variable] u32 pe_cntx_size, pe_filt_size; ^ 2 warnings and 3 errors generated. -- In file included from drivers/net/ethernet/broadcom/bnxt/bnxt.c:41: return tcp_ns_to_ts(skb->skb_mstamp_ns); ~~~ ^ include/net/tcp.h:818:22: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' return div_u64(skb->skb_mstamp_ns, NSEC_PER_USEC); ~~~ ^ include/net/tcp.h:2367:8: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' skb->skb_mstamp_ns += (u64)tp->tcp_tx_delay * NSEC_PER_USEC; ~~~ ^ if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) != 0 && ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ 1 warning and 3 errors generated. -- In file included from drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c:73: In file included from drivers/net/ethernet/chelsio/cxgb4/cxgb4.h:59: In file included from drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h:43: In file included from include/net/tls.h:42: In file included from include/linux/skmsg.h:13: return tcp_ns_to_ts(skb->skb_mstamp_ns); ~~~ ^ include/net/tcp.h:818:22: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' return div_u64(skb->skb_mstamp_ns, NSEC_PER_USEC); ~~~ ^ include/net/tcp.h:2367:8: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' skb->skb_mstamp_ns += (u64)tp->tcp_tx_delay * NSEC_PER_USEC; ~~~ ^ if (!dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) { ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ 1 warning and 3 errors generated. vim +812 include/net/tcp.h ^1da177e4c3f415 Linus Torvalds 2005-04-16 809 7faee5c0d514162 Eric Dumazet 2014-09-05 810 static inline u32 tcp_skb_timestamp(const struct sk_buff *skb) 7faee5c0d514162 Eric Dumazet 2014-09-05 811 { 200ecef67b8d09d Eric Dumazet 2019-11-07 @812 return tcp_ns_to_ts(skb->skb_mstamp_ns); 7faee5c0d514162 Eric Dumazet 2014-09-05 813 } 7faee5c0d514162 Eric Dumazet 2014-09-05 814 :::::: The code at line 812 was first introduced by commit :::::: 200ecef67b8d09d16ec55f91c92751dcc7a38d40 tcp: Remove one extra ktime_get_ns() from cookie_init_timestamp :::::: TO: Eric Dumazet <edumazet(a)google.com&gt; :::::: CC: David S. Miller <davem(a)davemloft.net&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org