Hi Brian,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on net-next/master]

url:    
https://github.com/0day-ci/linux/commits/Brian-Vazquez/fib-use-indirect-call-wrappers-in-the-most-common-fib_rules_ops/20200725-095008
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 
dfd3d5266dc1d9a2b06e5a09bbff4cee547eeb5f
config: i386-randconfig-a011-20200724 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-14) 9.3.0
reproduce (this is a W=1 build):
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>

All errors (new ones prefixed by >>):

   ld: net/core/fib_rules.o: in function `fib_rule_match':
>> net/core/fib_rules.c:275: undefined reference to `fib6_rule_match'
>> ld: net/core/fib_rules.c:275: undefined reference to `fib6_rule_match'
   ld: net/core/fib_rules.c:275: undefined reference to `fib4_rule_match'
   ld: net/core/fib_rules.c:275: undefined reference to `fib4_rule_match'
   ld: net/core/fib_rules.o: in function `fib_rules_lookup':
>> net/core/fib_rules.c:319: undefined reference to `fib6_rule_action'
>> ld: net/core/fib_rules.c:319: undefined reference to `fib6_rule_action'
   ld: net/core/fib_rules.c:319: undefined reference to `fib4_rule_action'
   ld: net/core/fib_rules.c:319: undefined reference to `fib4_rule_action'
>> ld: net/core/fib_rules.c:324: undefined reference to `fib6_rule_suppress'
>> ld: net/core/fib_rules.c:324: undefined reference to `fib6_rule_suppress'
   ld: net/core/fib_rules.c:324: undefined reference to `fib4_rule_suppress'
   ld: net/core/fib_rules.c:324: undefined reference to `fib4_rule_suppress'

vim +275 net/core/fib_rules.c

   245  
   246  INDIRECT_CALLABLE_DECLARE(int fib6_rule_match(struct fib_rule *rule,
   247                                              struct flowi *fl, int 
flags));
   248  INDIRECT_CALLABLE_DECLARE(int fib4_rule_match(struct fib_rule *rule,
   249                                              struct flowi *fl, int 
flags));
   250  static int fib_rule_match(struct fib_rule *rule, struct fib_rules_ops 
*ops,
   251                            struct flowi *fl, int flags,
   252                            struct fib_lookup_arg *arg)
   253  {
   254          int ret = 0;
   255  
   256          if (rule->iifindex && (rule->iifindex != fl->flowi_iif))
   257                  goto out;
   258  
   259          if (rule->oifindex && (rule->oifindex != fl->flowi_oif))
   260                  goto out;
   261  
   262          if ((rule->mark ^ fl->flowi_mark) & rule->mark_mask)
   263                  goto out;
   264  
   265          if (rule->tun_id && (rule->tun_id != fl->flowi_tun_key.tun_id))
   266                  goto out;
   267  
   268          if (rule->l3mdev && !l3mdev_fib_rule_match(rule->fr_net, fl, 
arg))
   269                  goto out;
   270  
   271          if (uid_lt(fl->flowi_uid, rule->uid_range.start) ||
   272              uid_gt(fl->flowi_uid, rule->uid_range.end))
   273                  goto out;
   274  
 > 275          ret = INDIRECT_CALL_INET(ops->match,
   276                                   fib6_rule_match,
   277                                   fib4_rule_match,
   278                                   rule, fl, flags);
   279  out:
   280          return (rule->flags & FIB_RULE_INVERT) ? !ret : ret;
   281  }
   282  
   283  INDIRECT_CALLABLE_DECLARE(int fib6_rule_action(struct fib_rule *rule,
   284                              struct flowi *flp, int flags,
   285                              struct fib_lookup_arg *arg));
   286  INDIRECT_CALLABLE_DECLARE(int fib4_rule_action(struct fib_rule *rule,
   287                              struct flowi *flp, int flags,
   288                              struct fib_lookup_arg *arg));
   289  INDIRECT_CALLABLE_DECLARE(bool fib6_rule_suppress(struct fib_rule *rule,
   290                                                  struct fib_lookup_arg 
*arg));
   291  INDIRECT_CALLABLE_DECLARE(bool fib4_rule_suppress(struct fib_rule *rule,
   292                                                  struct fib_lookup_arg 
*arg));
   293  int fib_rules_lookup(struct fib_rules_ops *ops, struct flowi *fl,
   294                       int flags, struct fib_lookup_arg *arg)
   295  {
   296          struct fib_rule *rule;
   297          int err;
   298  
   299          rcu_read_lock();
   300  
   301          list_for_each_entry_rcu(rule, &ops->rules_list, list) {
   302  jumped:
   303                  if (!fib_rule_match(rule, ops, fl, flags, arg))
   304                          continue;
   305  
   306                  if (rule->action == FR_ACT_GOTO) {
   307                          struct fib_rule *target;
   308  
   309                          target = rcu_dereference(rule->ctarget);
   310                          if (target == NULL) {
   311                                  continue;
   312                          } else {
   313                                  rule = target;
   314                                  goto jumped;
   315                          }
   316                  } else if (rule->action == FR_ACT_NOP)
   317                          continue;
   318                  else
 > 319                          err = INDIRECT_CALL_INET(ops->action,
   320                                                 fib6_rule_action,
   321                                                 fib4_rule_action,
   322                                                 rule, fl, flags, arg);
   323  
 > 324                  if (!err && ops->suppress && 
 > INDIRECT_CALL_INET(ops->suppress,
   325                                                                  
fib6_rule_suppress,
   326                                                                  
fib4_rule_suppress,
   327                                                                  rule, 
arg))
   328                          continue;
   329  
   330                  if (err != -EAGAIN) {
   331                          if ((arg->flags & FIB_LOOKUP_NOREF) ||
   332                              
likely(refcount_inc_not_zero(&rule->refcnt))) {
   333                                  arg->rule = rule;
   334                                  goto out;
   335                          }
   336                          break;
   337                  }
   338          }
   339  
   340          err = -ESRCH;
   341  out:
   342          rcu_read_unlock();
   343  
   344          return err;
   345  }
   346  EXPORT_SYMBOL_GPL(fib_rules_lookup);
   347  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org

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