Re: [PATCH iproute2-next 3/3] man: man8: bridge: Describe mcast_max_groups

Add documentation for per-port and port-port-vlan option mcast_max_groups.

Signed-off-by: Petr Machata <petrm@nvidia.com>
---
  man/man8/bridge.8 | 22 ++++++++++++++++++++++
  1 file changed, 22 insertions(+)

diff --git a/man/man8/bridge.8 b/man/man8/bridge.8
index f73e538a3536..7075eab283fa 100644
--- a/man/man8/bridge.8
+++ b/man/man8/bridge.8

@@ -47,6 +47,8 @@ bridge \- show / manipulate bridge addresses and devices
  .BR hwmode " { " vepa " | " veb " } ] [ "
  .BR bcast_flood " { " on " | " off " } ] [ "
  .BR mcast_flood " { " on " | " off " } ] [ "
+.BR mcast_max_groups
+.IR MAX_GROUPS " ] ["
  .BR mcast_router
  .IR MULTICAST_ROUTER " ] ["
  .BR mcast_to_unicast " { " on " | " off " } ] [ "

@@ -169,6 +171,8 @@ bridge \- show / manipulate bridge addresses and devices
  .IR VID " [ "
  .B state
  .IR STP_STATE " ] [ "
+.B mcast_max_groups
+.IR MAX_GROUPS " ] [ "
  .B mcast_router
  .IR MULTICAST_ROUTER " ]"
  

@@ -517,6 +521,15 @@ By default this flag is on.
  Controls whether multicast traffic for which there is no MDB entry will be
  flooded towards this given port. By default this flag is on.
  
+.TP
+.BI mcast_max_groups " MAX_GROUPS "
+Sets the maximum number of MDB entries that can be registered for a given
+port. Attempts to register more MDB entries at the port than this limit
+allows will be rejected, whether they are done through netlink (e.g. the
+\fBbridge\fR tool), or IGMP or MLD membership reports. Setting a limit to 0
+has the effect of disabling the limit. See also the \fBip link\fR option
+\fBmcast_hash_max\fR.
+

  .TP
  .BI mcast_router " MULTICAST_ROUTER "
  This flag is almost the same as the per-VLAN flag, see below, except its

@@ -1107,6 +1120,15 @@ is used during the STP election process. In this state, the vlan will only proce
  STP BPDUs.
  .sp
  
+.TP
+.BI mcast_max_groups " MAX_GROUPS "
+Sets the maximum number of MDB entries that can be registered for a given
+VLAN on a given port. A VLAN-specific equivalent of the per-port option of
+the same name, see above for details.
+
+Note that this option is only available when \fBip link\fR option
+\fBmcast_vlan_snooping\fR is enabled.
+
  .TP
  .BI mcast_router " MULTICAST_ROUTER "
  configure this vlan and interface's multicast router mode, note that only modes