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net: bridge: vlan: add support for mcast querier interval global option

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Add support to change and retrieve global vlan multicast querier interval
option.

Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nikolay Aleksandrov 2021-08-10 18:29:24 +03:00 committed by David S. Miller
parent 2da0aea21f
commit cd9269d463
3 changed files with 16 additions and 0 deletions
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1
include/uapi/linux/if_bridge.h
View file

@ -556,6 +556,7 @@ enum {
BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL,
BRIDGE_VLANDB_GOPTS_PAD,
BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL,
BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL,
__BRIDGE_VLANDB_GOPTS_MAX
};
#define BRIDGE_VLANDB_GOPTS_MAX (__BRIDGE_VLANDB_GOPTS_MAX - 1)

2
net/bridge/br_private.h
View file

@ -1182,6 +1182,8 @@ br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1,
brmctx2->multicast_last_member_interval &&
brmctx1->multicast_membership_interval ==
brmctx2->multicast_membership_interval &&
brmctx1->multicast_querier_interval ==
brmctx2->multicast_querier_interval &&
#if IS_ENABLED(CONFIG_IPV6)
brmctx1->multicast_mld_version ==
brmctx2->multicast_mld_version &&

13
net/bridge/br_vlan_options.c
View file

@ -305,6 +305,10 @@ bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range,
if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL,
clockval, BRIDGE_VLANDB_GOPTS_PAD))
goto out_err;
clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_querier_interval);
if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL,
clockval, BRIDGE_VLANDB_GOPTS_PAD))
goto out_err;
#if IS_ENABLED(CONFIG_IPV6)
if (nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION,
@ -335,6 +339,7 @@ static size_t rtnl_vlan_global_opts_nlmsg_size(void)
+ nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT */
+ nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL */
+ nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL */
+ nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL */
#endif
+ nla_total_size(sizeof(u16)); /* BRIDGE_VLANDB_GOPTS_RANGE */
}
@ -437,6 +442,13 @@ static int br_vlan_process_global_one_opts(const struct net_bridge *br,
v->br_mcast_ctx.multicast_membership_interval = clock_t_to_jiffies(val);
*changed = true;
}
if (tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL]) {
u64 val;
val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL]);
v->br_mcast_ctx.multicast_querier_interval = clock_t_to_jiffies(val);
*changed = true;
}
#if IS_ENABLED(CONFIG_IPV6)
if (tb[BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION]) {
u8 ver;
@ -463,6 +475,7 @@ static const struct nla_policy br_vlan_db_gpol[BRIDGE_VLANDB_GOPTS_MAX + 1] = {
[BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT] = { .type = NLA_U32 },
[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL] = { .type = NLA_U64 },
[BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL] = { .type = NLA_U64 },
[BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL] = { .type = NLA_U64 },
};
int br_vlan_rtm_process_global_options(struct net_device *dev,