Hi Guangguan, kernel test robot noticed the following build errors: [auto build test ERROR on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/Guangguan-Wang/net-smc-support-SMC-R-V2-for-rdma-devices-with-max_recv_sge-equals-to-1/20241128-111259 base: net-next/main patch link: https://lore.kernel.org/r/20241127094533.18459-3-guangguan.wang%40linux.alibaba.com patch subject: [PATCH net-next 2/2] net/smc: support ipv4 mapped ipv6 addr client for smc-r v2 config: arm-randconfig-001-20241128 (https://download.01.org/0day-ci/archive/20241128/202411282154.DjX7ilwF-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241128/202411282154.DjX7ilwF-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202411282154.DjX7ilwF-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from net/smc/af_smc.c:27: In file included from include/linux/if_vlan.h:10: In file included from include/linux/netdevice.h:38: In file included from include/net/net_namespace.h:43: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:8: In file included from include/linux/cacheflush.h:5: In file included from arch/arm/include/asm/cacheflush.h:10: In file included from include/linux/mm.h:2225: include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ >> net/smc/af_smc.c:1120:46: error: no member named 'skc_v6_rcv_saddr' in 'struct sock_common'; did you mean 'skc_rcv_saddr'? 1120 | !ipv6_addr_v4mapped(&smc->clcsock->sk->sk_v6_rcv_saddr)) || | ^ include/net/sock.h:376:37: note: expanded from macro 'sk_v6_rcv_saddr' 376 | #define sk_v6_rcv_saddr __sk_common.skc_v6_rcv_saddr | ^ include/net/sock.h:155:11: note: 'skc_rcv_saddr' declared here 155 | __be32 skc_rcv_saddr; | ^ 1 warning and 1 error generated. vim +1120 net/smc/af_smc.c 1087 1088 static int smc_find_proposal_devices(struct smc_sock *smc, 1089 struct smc_init_info *ini) 1090 { 1091 int rc = 0; 1092 1093 /* check if there is an ism device available */ 1094 if (!(ini->smcd_version & SMC_V1) || 1095 smc_find_ism_device(smc, ini) || 1096 smc_connect_ism_vlan_setup(smc, ini)) 1097 ini->smcd_version &= ~SMC_V1; 1098 /* else ISM V1 is supported for this connection */ 1099 1100 /* check if there is an rdma device available */ 1101 if (!(ini->smcr_version & SMC_V1) || 1102 smc_find_rdma_device(smc, ini)) 1103 ini->smcr_version &= ~SMC_V1; 1104 /* else RDMA is supported for this connection */ 1105 1106 ini->smc_type_v1 = smc_indicated_type(ini->smcd_version & SMC_V1, 1107 ini->smcr_version & SMC_V1); 1108 1109 /* check if there is an ism v2 device available */ 1110 if (!(ini->smcd_version & SMC_V2) || 1111 !smc_ism_is_v2_capable() || 1112 smc_find_ism_v2_device_clnt(smc, ini)) 1113 ini->smcd_version &= ~SMC_V2; 1114 1115 /* check if there is an rdma v2 device available */ 1116 ini->check_smcrv2 = true; 1117 ini->smcrv2.saddr = smc->clcsock->sk->sk_rcv_saddr; 1118 if (!(ini->smcr_version & SMC_V2) || 1119 (smc->clcsock->sk->sk_family != AF_INET && > 1120 !ipv6_addr_v4mapped(&smc->clcsock->sk->sk_v6_rcv_saddr)) || 1121 !smc_clc_ueid_count() || 1122 smc_find_rdma_device(smc, ini)) 1123 ini->smcr_version &= ~SMC_V2; 1124 ini->check_smcrv2 = false; 1125 1126 ini->smc_type_v2 = smc_indicated_type(ini->smcd_version & SMC_V2, 1127 ini->smcr_version & SMC_V2); 1128 1129 /* if neither ISM nor RDMA are supported, fallback */ 1130 if (ini->smc_type_v1 == SMC_TYPE_N && ini->smc_type_v2 == SMC_TYPE_N) 1131 rc = SMC_CLC_DECL_NOSMCDEV; 1132 1133 return rc; 1134 } 1135 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki