netdev - Re: [PATCH net-next 1/2] net: bridge: multicast: re-implement port multicast enable/disable functions

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Message-ID: <202412251623.8huquaZx-lkp@intel.com>
Date: Wed, 25 Dec 2024 21:02:10 +0800
From: kernel test robot <lkp@...el.com>
To: Yong Wang <yongwang@...dia.com>, razor@...ckwall.org, roopa@...dia.com,
	davem@...emloft.net, edumazet@...gle.com, netdev@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev, aroulin@...dia.com,
	idosch@...dia.com, nmiyar@...dia.com
Subject: Re: [PATCH net-next 1/2] net: bridge: multicast: re-implement port
 multicast enable/disable functions

Hi Yong,

kernel test robot noticed the following build errors:

[auto build test ERROR on 3272040790eb4b6cafe6c30ec05049e9599ec456]

url:    https://github.com/intel-lab-lkp/linux/commits/Yong-Wang/net-bridge-multicast-re-implement-port-multicast-enable-disable-functions/20241221-060848
base:   3272040790eb4b6cafe6c30ec05049e9599ec456
patch link:    https://lore.kernel.org/r/20241220220604.1430728-2-yongwang%40nvidia.com
patch subject: [PATCH net-next 1/2] net: bridge: multicast: re-implement port multicast enable/disable functions
config: i386-randconfig-011-20241225 (https://download.01.org/0day-ci/archive/20241225/202412251623.8huquaZx-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241225/202412251623.8huquaZx-lkp@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412251623.8huquaZx-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from net/bridge/br_multicast.c:10:
   In file included from include/linux/if_ether.h:19:
   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/x86/include/asm/cacheflush.h:5:
   In file included from include/linux/mm.h:2223:
   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/bridge/br_multicast.c:2178:14: error: call to undeclared function 'br_vlan_state_allowed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    2178 |                         if (on && br_vlan_state_allowed(br_vlan_get_state(vlan), true))
         |                                   ^
>> net/bridge/br_multicast.c:2178:36: error: call to undeclared function 'br_vlan_get_state'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    2178 |                         if (on && br_vlan_state_allowed(br_vlan_get_state(vlan), true))
         |                                                         ^
   net/bridge/br_multicast.c:2178:36: note: did you mean 'br_vlan_get_stats'?
   include/trace/events/../../../net/bridge/br_private.h:1792:20: note: 'br_vlan_get_stats' declared here
    1792 | static inline void br_vlan_get_stats(const struct net_bridge_vlan *v,
         |                    ^
   1 warning and 2 errors generated.


vim +/br_vlan_state_allowed +2178 net/bridge/br_multicast.c

  2159	
  2160	static void br_multicast_toggle_port(struct net_bridge_port *port, bool on)
  2161	{
  2162		struct net_bridge *br = port->br;
  2163	
  2164		if (br_opt_get(br, BROPT_MCAST_VLAN_SNOOPING_ENABLED)) {
  2165			struct net_bridge_vlan_group *vg;
  2166			struct net_bridge_vlan *vlan;
  2167	
  2168			rcu_read_lock();
  2169			vg = nbp_vlan_group_rcu(port);
  2170			if (!vg) {
  2171				rcu_read_unlock();
  2172				return;
  2173			}
  2174	
  2175			/* iterate each vlan of the port, toggle port_mcast_ctx per vlan */
  2176			list_for_each_entry_rcu(vlan, &vg->vlan_list, vlist) {
  2177				/* enable port_mcast_ctx when vlan is LEARNING or FORWARDING */
> 2178				if (on && br_vlan_state_allowed(br_vlan_get_state(vlan), true))
  2179					br_multicast_enable_port_ctx(&vlan->port_mcast_ctx);
  2180				else
  2181					br_multicast_disable_port_ctx(&vlan->port_mcast_ctx);
  2182			}
  2183			rcu_read_unlock();
  2184		} else {
  2185			/* use the port's multicast context when vlan snooping is disabled */
  2186			if (on)
  2187				br_multicast_enable_port_ctx(&port->multicast_ctx);
  2188			else
  2189				br_multicast_disable_port_ctx(&port->multicast_ctx);
  2190		}
  2191	}
  2192	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki