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net: bridge: vlan: add support for mcast last member interval global option

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Add support to change and retrieve global vlan multicast last member
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 18:29:22 +03:00 committed by David S. Miller
parent 50725f6e6b
commit 77f6ababa2
3 changed files with 19 additions and 0 deletions
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2
include/uapi/linux/if_bridge.h
View File

@ -553,6 +553,8 @@ enum {
BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION,
BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT,
BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT,
BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL,
BRIDGE_VLANDB_GOPTS_PAD,
__BRIDGE_VLANDB_GOPTS_MAX
};
#define BRIDGE_VLANDB_GOPTS_MAX (__BRIDGE_VLANDB_GOPTS_MAX - 1)

2
net/bridge/br_private.h
View File

@ -1178,6 +1178,8 @@ br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1,
brmctx2->multicast_last_member_count &&
brmctx1->multicast_startup_query_count ==
brmctx2->multicast_startup_query_count &&
brmctx1->multicast_last_member_interval ==
brmctx2->multicast_last_member_interval &&
#if IS_ENABLED(CONFIG_IPV6)
brmctx1->multicast_mld_version ==
brmctx2->multicast_mld_version &&

15
net/bridge/br_vlan_options.c
View File

@ -272,6 +272,7 @@ bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr,
bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range,
const struct net_bridge_vlan *v_opts)
{
u64 clockval __maybe_unused;
struct nlattr *nest;
nest = nla_nest_start(skb, BRIDGE_VLANDB_GLOBAL_OPTIONS);
@ -296,6 +297,11 @@ bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range,
v_opts->br_mcast_ctx.multicast_startup_query_count))
goto out_err;
clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_last_member_interval);
if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_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,
v_opts->br_mcast_ctx.multicast_mld_version))
@ -323,6 +329,7 @@ static size_t rtnl_vlan_global_opts_nlmsg_size(void)
+ nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION */
+ nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT */
+ nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT */
+ nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL */
#endif
+ nla_total_size(sizeof(u16)); /* BRIDGE_VLANDB_GOPTS_RANGE */
}
@ -411,6 +418,13 @@ static int br_vlan_process_global_one_opts(const struct net_bridge *br,
v->br_mcast_ctx.multicast_startup_query_count = cnt;
*changed = true;
}
if (tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL]) {
u64 val;
val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL]);
v->br_mcast_ctx.multicast_last_member_interval = clock_t_to_jiffies(val);
*changed = true;
}
#if IS_ENABLED(CONFIG_IPV6)
if (tb[BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION]) {
u8 ver;
@ -435,6 +449,7 @@ static const struct nla_policy br_vlan_db_gpol[BRIDGE_VLANDB_GOPTS_MAX + 1] = {
[BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION] = { .type = NLA_U8 },
[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT] = { .type = NLA_U32 },
[BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT] = { .type = NLA_U32 },
[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL] = { .type = NLA_U64 },
};
int br_vlan_rtm_process_global_options(struct net_device *dev,