diff options
Diffstat (limited to 'net/bridge/br_private.h')
| -rw-r--r-- | net/bridge/br_private.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index a23d2bae56e1..0f54a7a7c186 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -873,6 +873,20 @@ static inline bool br_multicast_querier_exists(struct net_bridge *br, } } +static inline bool br_multicast_is_star_g(const struct br_ip *ip) +{ + switch (ip->proto) { + case htons(ETH_P_IP): + return ipv4_is_zeronet(ip->src.ip4); +#if IS_ENABLED(CONFIG_IPV6) + case htons(ETH_P_IPV6): + return ipv6_addr_any(&ip->src.ip6); +#endif + default: + return false; + } +} + static inline int br_multicast_igmp_type(const struct sk_buff *skb) { return BR_INPUT_SKB_CB(skb)->igmp; |