提交 a9a6bc70 编写于 作者: N Nikolay Aleksandrov 提交者: David S. Miller

bridge: netlink: add support for multicast_router

Add IFLA_BR_MCAST_ROUTER to allow setting and retrieving
br->multicast_router when igmp snooping is enabled.
Signed-off-by: NNikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 150217c6
......@@ -245,6 +245,7 @@ enum {
IFLA_BR_GC_TIMER,
IFLA_BR_GROUP_ADDR,
IFLA_BR_FDB_FLUSH,
IFLA_BR_MCAST_ROUTER,
__IFLA_BR_MAX,
};
......
......@@ -767,6 +767,7 @@ static const struct nla_policy br_policy[IFLA_BR_MAX + 1] = {
[IFLA_BR_GROUP_FWD_MASK] = { .type = NLA_U16 },
[IFLA_BR_GROUP_ADDR] = { .type = NLA_BINARY,
.len = ETH_ALEN },
[IFLA_BR_MCAST_ROUTER] = { .type = NLA_U8 },
};
static int br_changelink(struct net_device *brdev, struct nlattr *tb[],
......@@ -862,6 +863,16 @@ static int br_changelink(struct net_device *brdev, struct nlattr *tb[],
if (data[IFLA_BR_FDB_FLUSH])
br_fdb_flush(br);
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
if (data[IFLA_BR_MCAST_ROUTER]) {
u8 multicast_router = nla_get_u8(data[IFLA_BR_MCAST_ROUTER]);
err = br_multicast_set_router(br, multicast_router);
if (err)
return err;
}
#endif
return 0;
}
......@@ -889,6 +900,9 @@ static size_t br_get_size(const struct net_device *brdev)
nla_total_size(sizeof(u64)) + /* IFLA_BR_TOPOLOGY_CHANGE_TIMER */
nla_total_size(sizeof(u64)) + /* IFLA_BR_GC_TIMER */
nla_total_size(ETH_ALEN) + /* IFLA_BR_GROUP_ADDR */
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_ROUTER */
#endif
0;
}
......@@ -945,6 +959,11 @@ static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev)
return -EMSGSIZE;
#endif
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
if (nla_put_u8(skb, IFLA_BR_MCAST_ROUTER, br->multicast_router))
return -EMSGSIZE;
#endif
return 0;
}
......
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