diff options
| -rw-r--r-- | include/uapi/linux/if_link.h | 1 | ||||
| -rw-r--r-- | net/bridge/br_netlink.c | 13 |
2 files changed, 13 insertions, 1 deletions
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h index ca7ca766d8af..10a44a735512 100644 --- a/include/uapi/linux/if_link.h +++ b/include/uapi/linux/if_link.h @@ -250,6 +250,7 @@ enum { IFLA_BR_MCAST_QUERY_USE_IFADDR, IFLA_BR_MCAST_QUERIER, IFLA_BR_MCAST_HASH_ELASTICITY, + IFLA_BR_MCAST_HASH_MAX, __IFLA_BR_MAX, }; diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index b210a639e8d1..d6b61b0eeada 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -772,6 +772,7 @@ static const struct nla_policy br_policy[IFLA_BR_MAX + 1] = { [IFLA_BR_MCAST_QUERY_USE_IFADDR] = { .type = NLA_U8 }, [IFLA_BR_MCAST_QUERIER] = { .type = NLA_U8 }, [IFLA_BR_MCAST_HASH_ELASTICITY] = { .type = NLA_U32 }, + [IFLA_BR_MCAST_HASH_MAX] = { .type = NLA_U32 }, }; static int br_changelink(struct net_device *brdev, struct nlattr *tb[], @@ -904,6 +905,14 @@ static int br_changelink(struct net_device *brdev, struct nlattr *tb[], br->hash_elasticity = val; } + + if (data[IFLA_BR_MCAST_HASH_MAX]) { + u32 hash_max = nla_get_u32(data[IFLA_BR_MCAST_HASH_MAX]); + + err = br_multicast_set_hash_max(br, hash_max); + if (err) + return err; + } #endif return 0; @@ -939,6 +948,7 @@ static size_t br_get_size(const struct net_device *brdev) nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_QUERY_USE_IFADDR */ nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_QUERIER */ nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_HASH_ELASTICITY */ + nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_HASH_MAX */ #endif 0; } @@ -1003,7 +1013,8 @@ static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev) br->multicast_query_use_ifaddr) || nla_put_u8(skb, IFLA_BR_MCAST_QUERIER, br->multicast_querier) || nla_put_u32(skb, IFLA_BR_MCAST_HASH_ELASTICITY, - br->hash_elasticity)) + br->hash_elasticity) || + nla_put_u32(skb, IFLA_BR_MCAST_HASH_MAX, br->hash_max)) return -EMSGSIZE; #endif |