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bridge: netlink: add support for multicast_querier

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Add IFLA_BR_MCAST_QUERIER to allow setting/getting br->multicast_querier
via netlink.

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nikolay Aleksandrov 2015-10-04 14:23:40 +02:00 committed by David S. Miller
parent 295141d904
commit ba062d7cc6
2 changed files with 13 additions and 1 deletions
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1
include/uapi/linux/if_link.h
View File

@ -248,6 +248,7 @@ enum {
IFLA_BR_MCAST_ROUTER,
IFLA_BR_MCAST_SNOOPING,
IFLA_BR_MCAST_QUERY_USE_IFADDR,
IFLA_BR_MCAST_QUERIER,
__IFLA_BR_MAX,
};

13
net/bridge/br_netlink.c
View File

@ -770,6 +770,7 @@ static const struct nla_policy br_policy[IFLA_BR_MAX + 1] = {
[IFLA_BR_MCAST_ROUTER] = { .type = NLA_U8 },
[IFLA_BR_MCAST_SNOOPING] = { .type = NLA_U8 },
[IFLA_BR_MCAST_QUERY_USE_IFADDR] = { .type = NLA_U8 },
[IFLA_BR_MCAST_QUERIER] = { .type = NLA_U8 },
};
static int br_changelink(struct net_device *brdev, struct nlattr *tb[],
@ -888,6 +889,14 @@ static int br_changelink(struct net_device *brdev, struct nlattr *tb[],
val = nla_get_u8(data[IFLA_BR_MCAST_QUERY_USE_IFADDR]);
br->multicast_query_use_ifaddr = !!val;
}
if (data[IFLA_BR_MCAST_QUERIER]) {
u8 mcast_querier = nla_get_u8(data[IFLA_BR_MCAST_QUERIER]);
err = br_multicast_set_querier(br, mcast_querier);
if (err)
return err;
}
#endif
return 0;
@ -921,6 +930,7 @@ static size_t br_get_size(const struct net_device *brdev)
nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_ROUTER */
nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_SNOOPING */
nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_QUERY_USE_IFADDR */
nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_QUERIER */
#endif
0;
}
@ -982,7 +992,8 @@ static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev)
if (nla_put_u8(skb, IFLA_BR_MCAST_ROUTER, br->multicast_router) ||
nla_put_u8(skb, IFLA_BR_MCAST_SNOOPING, !br->multicast_disabled) ||
nla_put_u8(skb, IFLA_BR_MCAST_QUERY_USE_IFADDR,
br->multicast_query_use_ifaddr))
br->multicast_query_use_ifaddr) ||
nla_put_u8(skb, IFLA_BR_MCAST_QUERIER, br->multicast_querier))
return -EMSGSIZE;
#endif