tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 8ba53a0f68c5722dd787f872e161bbd850b225c4 commit: 22d4075bf5ef29ba4b329f954ac28a7de1d69a65 [2904/2904] net/oenetcls: remove oenetcls trace hook config: loongarch-randconfig-r111-20250918 (https://download.01.org/0day-ci/archive/20250918/202509181257.lJX7E7VA-lkp@i...) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250918/202509181257.lJX7E7VA-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202509181257.lJX7E7VA-lkp@intel.com/ sparse warnings: (new ones prefixed by >>)

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net/oenetcls/oenetcls_ntuple.c:14:27: sparse: sparse: symbol 'oecls_sk_rules' was not declared. Should it be static? net/oenetcls/oenetcls_ntuple.c:14:43: sparse: sparse: symbol 'oecls_sk_list' was not declared. Should it be static? net/oenetcls/oenetcls_ntuple.c:147:38: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] dip4 @@ got restricted __be32 [usertype] ifa_local @@ net/oenetcls/oenetcls_ntuple.c:147:38: sparse: expected unsigned int [usertype] dip4 net/oenetcls/oenetcls_ntuple.c:147:38: sparse: got restricted __be32 [usertype] ifa_local net/oenetcls/oenetcls_ntuple.c:161:16: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] @@ got restricted __be16 [usertype] @@ net/oenetcls/oenetcls_ntuple.c:161:16: sparse: expected unsigned short [usertype] net/oenetcls/oenetcls_ntuple.c:161:16: sparse: got restricted __be16 [usertype] net/oenetcls/oenetcls_ntuple.c:169:23: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] @@ got restricted __be32 [usertype] skc_rcv_saddr @@ net/oenetcls/oenetcls_ntuple.c:169:23: sparse: expected unsigned int [usertype] net/oenetcls/oenetcls_ntuple.c:169:23: sparse: got restricted __be32 [usertype] skc_rcv_saddr net/oenetcls/oenetcls_ntuple.c:393:9: sparse: sparse: cast to restricted __be16 net/oenetcls/oenetcls_ntuple.c:393:9: sparse: sparse: cast to restricted __be16 net/oenetcls/oenetcls_ntuple.c:393:9: sparse: sparse: cast to restricted __be16 net/oenetcls/oenetcls_ntuple.c:406:38: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be32 [usertype] ip4dst @@ got unsigned int [usertype] dip4 @@ net/oenetcls/oenetcls_ntuple.c:406:38: sparse: expected restricted __be32 [usertype] ip4dst net/oenetcls/oenetcls_ntuple.c:406:38: sparse: got unsigned int [usertype] dip4 net/oenetcls/oenetcls_ntuple.c:407:36: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [usertype] pdst @@ got unsigned short [usertype] dport @@ net/oenetcls/oenetcls_ntuple.c:407:36: sparse: expected restricted __be16 [usertype] pdst net/oenetcls/oenetcls_ntuple.c:407:36: sparse: got unsigned short [usertype] dport net/oenetcls/oenetcls_ntuple.c:409:46: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be32 [usertype] ip4dst @@ got unsigned int [usertype] @@ net/oenetcls/oenetcls_ntuple.c:409:46: sparse: expected restricted __be32 [usertype] ip4dst net/oenetcls/oenetcls_ntuple.c:409:46: sparse: got unsigned int [usertype] net/oenetcls/oenetcls_ntuple.c:410:36: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [usertype] pdst @@ got unsigned short [usertype] @@ net/oenetcls/oenetcls_ntuple.c:410:36: sparse: expected restricted __be16 [usertype] pdst net/oenetcls/oenetcls_ntuple.c:410:36: sparse: got unsigned short [usertype] net/oenetcls/oenetcls_ntuple.c:442:25: sparse: sparse: cast to restricted __be16 net/oenetcls/oenetcls_ntuple.c:442:25: sparse: sparse: cast to restricted __be16 net/oenetcls/oenetcls_ntuple.c:442:25: sparse: sparse: cast to restricted __be16 -- net/oenetcls/oenetcls_main.c:265:31: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void *useraddr @@ got void [noderef] __user *ifru_data @@ net/oenetcls/oenetcls_main.c:265:31: sparse: expected void *useraddr net/oenetcls/oenetcls_main.c:265:31: sparse: got void [noderef] __user *ifru_data net/oenetcls/oenetcls_main.c:344:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __user *[addressable] ifru_data @@ got void *cmd @@ net/oenetcls/oenetcls_main.c:344:22: sparse: expected void [noderef] __user *[addressable] ifru_data net/oenetcls/oenetcls_main.c:344:22: sparse: got void *cmd -- net/oenetcls/oenetcls_flow.c:18:6: sparse: sparse: symbol 'is_oecls_config_netdev' was not declared. Should it be static? net/oenetcls/oenetcls_flow.c:40:22: sparse: sparse: incompatible types in comparison expression (different address spaces): net/oenetcls/oenetcls_flow.c:40:22: sparse: void [noderef] __rcu * net/oenetcls/oenetcls_flow.c:40:22: sparse: void * net/oenetcls/oenetcls_flow.c:149:15: sparse: sparse: incompatible types in comparison expression (different address spaces): net/oenetcls/oenetcls_flow.c:149:15: sparse: void [noderef] __rcu * net/oenetcls/oenetcls_flow.c:149:15: sparse: void * net/oenetcls/oenetcls_flow.c:235:15: sparse: sparse: incompatible types in comparison expression (different address spaces): net/oenetcls/oenetcls_flow.c:235:15: sparse: void [noderef] __rcu * net/oenetcls/oenetcls_flow.c:235:15: sparse: void * net/oenetcls/oenetcls_flow.c:258:23: sparse: sparse: incompatible types in comparison expression (different address spaces): net/oenetcls/oenetcls_flow.c:258:23: sparse: void [noderef] __rcu * net/oenetcls/oenetcls_flow.c:258:23: sparse: void * net/oenetcls/oenetcls_flow.c:260:17: sparse: sparse: incompatible types in comparison expression (different address spaces): net/oenetcls/oenetcls_flow.c:260:17: sparse: void [noderef] __rcu * net/oenetcls/oenetcls_flow.c:260:17: sparse: void * net/oenetcls/oenetcls_flow.c:309:17: sparse: sparse: incompatible types in comparison expression (different address spaces): net/oenetcls/oenetcls_flow.c:309:17: sparse: void [noderef] __rcu * net/oenetcls/oenetcls_flow.c:309:17: sparse: void * net/oenetcls/oenetcls_flow.c:258:23: sparse: sparse: dereference of noderef expression

vim +/oecls_sk_rules +14 net/oenetcls/oenetcls_ntuple.c 4bed6ba0e88f50 Wang Liang 2025-08-26 13 4bed6ba0e88f50 Wang Liang 2025-08-26 @14 struct oecls_sk_rule_list oecls_sk_rules, oecls_sk_list; 4bed6ba0e88f50 Wang Liang 2025-08-26 15 4bed6ba0e88f50 Wang Liang 2025-08-26 16 static void init_oecls_sk_rules(void) 4bed6ba0e88f50 Wang Liang 2025-08-26 17 { 4bed6ba0e88f50 Wang Liang 2025-08-26 18 unsigned int i; 4bed6ba0e88f50 Wang Liang 2025-08-26 19 4bed6ba0e88f50 Wang Liang 2025-08-26 20 for (i = 0; i < OECLS_SK_RULE_HASHSIZE; i++) 4bed6ba0e88f50 Wang Liang 2025-08-26 21 INIT_HLIST_HEAD(oecls_sk_rules.hash + i); 4bed6ba0e88f50 Wang Liang 2025-08-26 22 mutex_init(&oecls_sk_rules.mutex); 4bed6ba0e88f50 Wang Liang 2025-08-26 23 } 4bed6ba0e88f50 Wang Liang 2025-08-26 24 4bed6ba0e88f50 Wang Liang 2025-08-26 25 static inline struct hlist_head *get_rule_hashlist(u32 dip4, u16 dport) 4bed6ba0e88f50 Wang Liang 2025-08-26 26 { 4bed6ba0e88f50 Wang Liang 2025-08-26 27 return oecls_sk_rules.hash + (jhash_2words(dip4, dport, 0) & OECLS_SK_RULE_HASHMASK); 4bed6ba0e88f50 Wang Liang 2025-08-26 28 } 4bed6ba0e88f50 Wang Liang 2025-08-26 29 4bed6ba0e88f50 Wang Liang 2025-08-26 30 static inline struct hlist_head *get_sk_hashlist(void *sk) 4bed6ba0e88f50 Wang Liang 2025-08-26 31 { 4bed6ba0e88f50 Wang Liang 2025-08-26 32 return oecls_sk_list.hash + (jhash(sk, sizeof(sk), 0) & OECLS_SK_RULE_HASHMASK); 4bed6ba0e88f50 Wang Liang 2025-08-26 33 } 4bed6ba0e88f50 Wang Liang 2025-08-26 34 4bed6ba0e88f50 Wang Liang 2025-08-26 35 static void add_sk_rule(int devid, u32 dip4, u16 dport, void *sk, int action, 4bed6ba0e88f50 Wang Liang 2025-08-26 36 int ruleid, int nid) 4bed6ba0e88f50 Wang Liang 2025-08-26 37 { 4bed6ba0e88f50 Wang Liang 2025-08-26 38 struct hlist_head *hlist = get_rule_hashlist(dip4, dport); 4bed6ba0e88f50 Wang Liang 2025-08-26 39 struct hlist_head *sk_hlist = get_sk_hashlist(sk); 4bed6ba0e88f50 Wang Liang 2025-08-26 40 struct oecls_sk_rule *rule; 4bed6ba0e88f50 Wang Liang 2025-08-26 41 struct oecls_sk_entry *entry; 4bed6ba0e88f50 Wang Liang 2025-08-26 42 4bed6ba0e88f50 Wang Liang 2025-08-26 43 rule = kzalloc(sizeof(*rule), GFP_ATOMIC); 4bed6ba0e88f50 Wang Liang 2025-08-26 44 entry = kzalloc(sizeof(*entry), GFP_ATOMIC); 4bed6ba0e88f50 Wang Liang 2025-08-26 45 if (!rule || !entry) 4bed6ba0e88f50 Wang Liang 2025-08-26 46 goto out; 4bed6ba0e88f50 Wang Liang 2025-08-26 47 4bed6ba0e88f50 Wang Liang 2025-08-26 48 rule->sk = sk; 4bed6ba0e88f50 Wang Liang 2025-08-26 49 rule->dip4 = dip4; 4bed6ba0e88f50 Wang Liang 2025-08-26 50 rule->dport = dport; 4bed6ba0e88f50 Wang Liang 2025-08-26 51 rule->devid = devid; 4bed6ba0e88f50 Wang Liang 2025-08-26 52 rule->action = action; 4bed6ba0e88f50 Wang Liang 2025-08-26 53 rule->ruleid = ruleid; 4bed6ba0e88f50 Wang Liang 2025-08-26 54 rule->nid = nid; 4bed6ba0e88f50 Wang Liang 2025-08-26 55 hlist_add_head(&rule->node, hlist); 4bed6ba0e88f50 Wang Liang 2025-08-26 56 4bed6ba0e88f50 Wang Liang 2025-08-26 57 entry->sk = sk; 4bed6ba0e88f50 Wang Liang 2025-08-26 58 entry->sk_rule_hash = jhash_2words(dip4, dport, 0); 4bed6ba0e88f50 Wang Liang 2025-08-26 59 hlist_add_head(&entry->node, sk_hlist); 4bed6ba0e88f50 Wang Liang 2025-08-26 60 return; 4bed6ba0e88f50 Wang Liang 2025-08-26 61 out: 4bed6ba0e88f50 Wang Liang 2025-08-26 62 oecls_debug("alloc failed rule:%p entry:%p\n", rule, entry); 4bed6ba0e88f50 Wang Liang 2025-08-26 63 kfree(entry); 4bed6ba0e88f50 Wang Liang 2025-08-26 64 kfree(rule); 4bed6ba0e88f50 Wang Liang 2025-08-26 65 } 4bed6ba0e88f50 Wang Liang 2025-08-26 66 4bed6ba0e88f50 Wang Liang 2025-08-26 67 static struct oecls_sk_entry *get_sk_entry(void *sk) 4bed6ba0e88f50 Wang Liang 2025-08-26 68 { 4bed6ba0e88f50 Wang Liang 2025-08-26 69 struct hlist_head *sk_hlist = get_sk_hashlist(sk); 4bed6ba0e88f50 Wang Liang 2025-08-26 70 struct oecls_sk_entry *entry = NULL; 4bed6ba0e88f50 Wang Liang 2025-08-26 71 4bed6ba0e88f50 Wang Liang 2025-08-26 72 hlist_for_each_entry(entry, sk_hlist, node) { 4bed6ba0e88f50 Wang Liang 2025-08-26 73 if (entry->sk == sk) 4bed6ba0e88f50 Wang Liang 2025-08-26 74 break; 4bed6ba0e88f50 Wang Liang 2025-08-26 75 } 4bed6ba0e88f50 Wang Liang 2025-08-26 76 return entry; 4bed6ba0e88f50 Wang Liang 2025-08-26 77 } 4bed6ba0e88f50 Wang Liang 2025-08-26 78 4bed6ba0e88f50 Wang Liang 2025-08-26 79 static void del_sk_rule(struct oecls_sk_rule *rule) 4bed6ba0e88f50 Wang Liang 2025-08-26 80 { 4bed6ba0e88f50 Wang Liang 2025-08-26 81 struct oecls_sk_entry *entry; 4bed6ba0e88f50 Wang Liang 2025-08-26 82 4bed6ba0e88f50 Wang Liang 2025-08-26 83 entry = get_sk_entry(rule->sk); 4bed6ba0e88f50 Wang Liang 2025-08-26 84 if (!entry) 4bed6ba0e88f50 Wang Liang 2025-08-26 85 return; 4bed6ba0e88f50 Wang Liang 2025-08-26 86 hlist_del_init(&entry->node); 4bed6ba0e88f50 Wang Liang 2025-08-26 87 kfree(entry); 4bed6ba0e88f50 Wang Liang 2025-08-26 88 4bed6ba0e88f50 Wang Liang 2025-08-26 89 oecls_debug("del rule=%p\n", rule); 4bed6ba0e88f50 Wang Liang 2025-08-26 90 hlist_del_init(&rule->node); 4bed6ba0e88f50 Wang Liang 2025-08-26 91 kfree(rule); 4bed6ba0e88f50 Wang Liang 2025-08-26 92 } 4bed6ba0e88f50 Wang Liang 2025-08-26 93 4bed6ba0e88f50 Wang Liang 2025-08-26 94 static struct oecls_sk_rule *get_sk_rule(int devid, u32 dip4, u16 dport) 4bed6ba0e88f50 Wang Liang 2025-08-26 95 { 4bed6ba0e88f50 Wang Liang 2025-08-26 96 struct hlist_head *hlist = get_rule_hashlist(dip4, dport); 4bed6ba0e88f50 Wang Liang 2025-08-26 97 struct oecls_sk_rule *rule = NULL; 4bed6ba0e88f50 Wang Liang 2025-08-26 98 4bed6ba0e88f50 Wang Liang 2025-08-26 99 hlist_for_each_entry(rule, hlist, node) { 4bed6ba0e88f50 Wang Liang 2025-08-26 100 if (rule->devid == devid && rule->dip4 == dip4 && rule->dport == dport) 4bed6ba0e88f50 Wang Liang 2025-08-26 101 break; 4bed6ba0e88f50 Wang Liang 2025-08-26 102 } 4bed6ba0e88f50 Wang Liang 2025-08-26 103 return rule; 4bed6ba0e88f50 Wang Liang 2025-08-26 104 } 4bed6ba0e88f50 Wang Liang 2025-08-26 105 4bed6ba0e88f50 Wang Liang 2025-08-26 106 static struct oecls_sk_rule *get_rule_from_sk(int devid, void *sk) 4bed6ba0e88f50 Wang Liang 2025-08-26 107 { 4bed6ba0e88f50 Wang Liang 2025-08-26 108 struct oecls_sk_rule *rule = NULL; 4bed6ba0e88f50 Wang Liang 2025-08-26 109 struct oecls_sk_entry *entry; 4bed6ba0e88f50 Wang Liang 2025-08-26 110 struct hlist_head *hlist; 4bed6ba0e88f50 Wang Liang 2025-08-26 111 4bed6ba0e88f50 Wang Liang 2025-08-26 112 entry = get_sk_entry(sk); 4bed6ba0e88f50 Wang Liang 2025-08-26 113 if (!entry) 4bed6ba0e88f50 Wang Liang 2025-08-26 114 return NULL; 4bed6ba0e88f50 Wang Liang 2025-08-26 115 4bed6ba0e88f50 Wang Liang 2025-08-26 116 hlist = oecls_sk_rules.hash + (entry->sk_rule_hash & OECLS_SK_RULE_HASHMASK); 4bed6ba0e88f50 Wang Liang 2025-08-26 117 hlist_for_each_entry(rule, hlist, node) { 4bed6ba0e88f50 Wang Liang 2025-08-26 118 if (rule->devid == devid && rule->sk == sk) 4bed6ba0e88f50 Wang Liang 2025-08-26 119 break; 4bed6ba0e88f50 Wang Liang 2025-08-26 120 } 4bed6ba0e88f50 Wang Liang 2025-08-26 121 return rule; 4bed6ba0e88f50 Wang Liang 2025-08-26 122 } 4bed6ba0e88f50 Wang Liang 2025-08-26 123 4bed6ba0e88f50 Wang Liang 2025-08-26 124 static inline bool reuseport_check(int devid, u32 dip4, u16 dport) 4bed6ba0e88f50 Wang Liang 2025-08-26 125 { 4bed6ba0e88f50 Wang Liang 2025-08-26 126 return !!get_sk_rule(devid, dip4, dport); 4bed6ba0e88f50 Wang Liang 2025-08-26 127 } 4bed6ba0e88f50 Wang Liang 2025-08-26 128 4bed6ba0e88f50 Wang Liang 2025-08-26 129 static u32 get_first_ip4_addr(struct net *net) 4bed6ba0e88f50 Wang Liang 2025-08-26 130 { 4bed6ba0e88f50 Wang Liang 2025-08-26 131 struct in_device *in_dev; 4bed6ba0e88f50 Wang Liang 2025-08-26 132 struct net_device *dev; 4bed6ba0e88f50 Wang Liang 2025-08-26 133 struct in_ifaddr *ifa; 4bed6ba0e88f50 Wang Liang 2025-08-26 134 u32 dip4 = 0; 4bed6ba0e88f50 Wang Liang 2025-08-26 135 4bed6ba0e88f50 Wang Liang 2025-08-26 136 rtnl_lock(); 4bed6ba0e88f50 Wang Liang 2025-08-26 137 rcu_read_lock(); 4bed6ba0e88f50 Wang Liang 2025-08-26 138 for_each_netdev(net, dev) { 4bed6ba0e88f50 Wang Liang 2025-08-26 139 if (dev->flags & IFF_LOOPBACK || !(dev->flags & IFF_UP)) 4bed6ba0e88f50 Wang Liang 2025-08-26 140 continue; 4bed6ba0e88f50 Wang Liang 2025-08-26 141 in_dev = __in_dev_get_rcu(dev); 4bed6ba0e88f50 Wang Liang 2025-08-26 142 if (!in_dev) 4bed6ba0e88f50 Wang Liang 2025-08-26 143 continue; 4bed6ba0e88f50 Wang Liang 2025-08-26 144 4bed6ba0e88f50 Wang Liang 2025-08-26 145 in_dev_for_each_ifa_rcu(ifa, in_dev) { 4bed6ba0e88f50 Wang Liang 2025-08-26 146 if (!strcmp(dev->name, ifa->ifa_label)) { 4bed6ba0e88f50 Wang Liang 2025-08-26 @147 dip4 = ifa->ifa_local; 4bed6ba0e88f50 Wang Liang 2025-08-26 148 oecls_debug("dev: %s, dip4:%pI4\n", dev->name, &dip4); 4bed6ba0e88f50 Wang Liang 2025-08-26 149 goto out; 4bed6ba0e88f50 Wang Liang 2025-08-26 150 } 4bed6ba0e88f50 Wang Liang 2025-08-26 151 } 4bed6ba0e88f50 Wang Liang 2025-08-26 152 } 4bed6ba0e88f50 Wang Liang 2025-08-26 153 out: 4bed6ba0e88f50 Wang Liang 2025-08-26 154 rcu_read_unlock(); 4bed6ba0e88f50 Wang Liang 2025-08-26 155 rtnl_unlock(); 4bed6ba0e88f50 Wang Liang 2025-08-26 156 return dip4; 4bed6ba0e88f50 Wang Liang 2025-08-26 157 } 4bed6ba0e88f50 Wang Liang 2025-08-26 158 4bed6ba0e88f50 Wang Liang 2025-08-26 159 static void get_sk_rule_addr(struct sock *sk, u32 *dip4, u16 *dport) 4bed6ba0e88f50 Wang Liang 2025-08-26 160 { 4bed6ba0e88f50 Wang Liang 2025-08-26 @161 *dport = htons(sk->sk_num); 4bed6ba0e88f50 Wang Liang 2025-08-26 162 4bed6ba0e88f50 Wang Liang 2025-08-26 163 if (!match_ip_flag) { 4bed6ba0e88f50 Wang Liang 2025-08-26 164 *dip4 = 0; 4bed6ba0e88f50 Wang Liang 2025-08-26 165 return; 4bed6ba0e88f50 Wang Liang 2025-08-26 166 } 4bed6ba0e88f50 Wang Liang 2025-08-26 167 4bed6ba0e88f50 Wang Liang 2025-08-26 168 if (sk->sk_rcv_saddr) 4bed6ba0e88f50 Wang Liang 2025-08-26 @169 *dip4 = sk->sk_rcv_saddr; 4bed6ba0e88f50 Wang Liang 2025-08-26 170 else 4bed6ba0e88f50 Wang Liang 2025-08-26 171 *dip4 = get_first_ip4_addr(sock_net(sk)); 4bed6ba0e88f50 Wang Liang 2025-08-26 172 } 4bed6ba0e88f50 Wang Liang 2025-08-26 173 :::::: The code at line 14 was first introduced by commit :::::: 4bed6ba0e88f50484fd5fb06bd993727b981b718 net/oenetcls: introduce oenetcls for network optimization :::::: TO: Wang Liang <wangliang74@huawei.com> :::::: CC: Wang Liang <wangliang74@huawei.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki