diff options
| author |   Nikolay Aleksandrov <nikolay@nvidia.com> | 2021-08-10 18:29:20 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-08-11 13:34:41 +0100 |
| commit | 931ba87d2017f3869d656f3c705883549bfeb97f (patch) | |
| tree | 474815a0715d0ec18ad66c95977a53496461bcad | |
| parent | net: bridge: vlan: add support for mcast igmp/mld version global options (diff) | |
| download | linux-dev-931ba87d2017f3869d656f3c705883549bfeb97f.tar.xz linux-dev-931ba87d2017f3869d656f3c705883549bfeb97f.zip | |
net: bridge: vlan: add support for mcast last member count global option
Add support to change and retrieve global vlan multicast last member
count option.
Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | include/uapi/linux/if_bridge.h | 1 | ||||
| -rw-r--r-- | net/bridge/br_private.h | 2 | ||||
| -rw-r--r-- | net/bridge/br_vlan_options.c | 13 |
3 files changed, 15 insertions, 1 deletions
diff --git a/include/uapi/linux/if_bridge.h b/include/uapi/linux/if_bridge.h index 5188b9f6da28..d7a150034376 100644 --- a/include/uapi/linux/if_bridge.h +++ b/include/uapi/linux/if_bridge.h @@ -551,6 +551,7 @@ enum { BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING, BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION, BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION, + BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT, __BRIDGE_VLANDB_GOPTS_MAX }; #define BRIDGE_VLANDB_GOPTS_MAX (__BRIDGE_VLANDB_GOPTS_MAX - 1) diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index b0b1e1aa4db4..53627a841ae1 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -1174,6 +1174,8 @@ br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, { return brmctx1->multicast_igmp_version == brmctx2->multicast_igmp_version && + brmctx1->multicast_last_member_count == + brmctx2->multicast_last_member_count && #if IS_ENABLED(CONFIG_IPV6) brmctx1->multicast_mld_version == brmctx2->multicast_mld_version && diff --git a/net/bridge/br_vlan_options.c b/net/bridge/br_vlan_options.c index ac32fb40b7ba..75733b5bc6f4 100644 --- a/net/bridge/br_vlan_options.c +++ b/net/bridge/br_vlan_options.c @@ -289,7 +289,9 @@ bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range, if (nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING, !!(v_opts->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED)) || nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION, - v_opts->br_mcast_ctx.multicast_igmp_version)) + v_opts->br_mcast_ctx.multicast_igmp_version) || + nla_put_u32(skb, BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT, + v_opts->br_mcast_ctx.multicast_last_member_count)) goto out_err; #if IS_ENABLED(CONFIG_IPV6) @@ -317,6 +319,7 @@ static size_t rtnl_vlan_global_opts_nlmsg_size(void) + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING */ + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION */ + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION */ + + nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT */ #endif + nla_total_size(sizeof(u16)); /* BRIDGE_VLANDB_GOPTS_RANGE */ } @@ -391,6 +394,13 @@ static int br_vlan_process_global_one_opts(const struct net_bridge *br, return err; *changed = true; } + if (tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT]) { + u32 cnt; + + cnt = nla_get_u32(tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT]); + v->br_mcast_ctx.multicast_last_member_count = cnt; + *changed = true; + } #if IS_ENABLED(CONFIG_IPV6) if (tb[BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION]) { u8 ver; @@ -413,6 +423,7 @@ static const struct nla_policy br_vlan_db_gpol[BRIDGE_VLANDB_GOPTS_MAX + 1] = { [BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING] = { .type = NLA_U8 }, [BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION] = { .type = NLA_U8 }, [BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION] = { .type = NLA_U8 }, + [BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT] = { .type = NLA_U32 }, }; int br_vlan_rtm_process_global_options(struct net_device *dev, |