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

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

Nikolay Aleksandrov committed 5 years ago

Commit 77f6aba1 parent 50725f63 files · +19 −0Browse files

Unified · Split

3 files
  1. include/uapi/linux/if_bridge.h +2 −0
  2. net/bridge/br_private.h +2 −0
  3. net/bridge/br_vlan_options.c +15 −0
include/uapi/linux/if_bridge.h+2−0
@@ -553,6 +553,8 @@ enum { · 552 unmodified lines
553553 BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION,
554554 BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT,
555555 BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT,
556+ BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL,
557+ BRIDGE_VLANDB_GOPTS_PAD,
556558 __BRIDGE_VLANDB_GOPTS_MAX
557559 };
558560 #define BRIDGE_VLANDB_GOPTS_MAX (__BRIDGE_VLANDB_GOPTS_MAX - 1)
net/bridge/br_private.h+2−0
@@ -1178,6 +1178,8 @@ br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, · 1177 unmodified lines
11781178 brmctx2->multicast_last_member_count &&
11791179 brmctx1->multicast_startup_query_count ==
11801180 brmctx2->multicast_startup_query_count &&
1181+ brmctx1->multicast_last_member_interval ==
1182+ brmctx2->multicast_last_member_interval &&
11811183 #if IS_ENABLED(CONFIG_IPV6)
11821184 brmctx1->multicast_mld_version ==
11831185 brmctx2->multicast_mld_version &&
net/bridge/br_vlan_options.c+15−0
@@ -272,6 +272,7 @@ bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr, · 271 unmodified lines
272272 bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range,
273273 const struct net_bridge_vlan *v_opts)
274274 {
275+ u64 clockval __maybe_unused;
275276 struct nlattr *nest;
276277
277278 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, · 18 unmodified lines
296297 v_opts->br_mcast_ctx.multicast_startup_query_count))
297298 goto out_err;
298299
300+ clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_last_member_interval);
301+ if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL,
302+ clockval, BRIDGE_VLANDB_GOPTS_PAD))
303+ goto out_err;
304+
299305 #if IS_ENABLED(CONFIG_IPV6)
300306 if (nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION,
301307 v_opts->br_mcast_ctx.multicast_mld_version))
@@ -323,6 +329,7 @@ static size_t rtnl_vlan_global_opts_nlmsg_size(void) · 21 unmodified lines
323329 + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION */
324330 + nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT */
325331 + nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT */
332+ + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL */
326333 #endif
327334 + nla_total_size(sizeof(u16)); /* BRIDGE_VLANDB_GOPTS_RANGE */
328335 }
@@ -411,6 +418,13 @@ static int br_vlan_process_global_one_opts(const struct net_bridge *br, · 82 unmodified lines
411418 v->br_mcast_ctx.multicast_startup_query_count = cnt;
412419 *changed = true;
413420 }
421+ if (tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL]) {
422+ u64 val;
423+
424+ val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL]);
425+ v->br_mcast_ctx.multicast_last_member_interval = clock_t_to_jiffies(val);
426+ *changed = true;
427+ }
414428 #if IS_ENABLED(CONFIG_IPV6)
415429 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION]) {
416430 u8 ver;
@@ -435,6 +449,7 @@ static const struct nla_policy br_vlan_db_gpol[BRIDGE_VLANDB_GOPTS_MAX + 1] = { · 18 unmodified lines
435449 [BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION] = { .type = NLA_U8 },
436450 [BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT] = { .type = NLA_U32 },
437451 [BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT] = { .type = NLA_U32 },
452+ [BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL] = { .type = NLA_U64 },
438453 };
439454
440455 int br_vlan_rtm_process_global_options(struct net_device *dev,

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