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bridge: vlan: add global mcast_startup_query_count option

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Add control and dump support for the global mcast_startup_query_count
option which controls the number of queries the bridge will send on the
vlan during startup phase (default 2).
Syntax:
 $ bridge vlan global set dev bridge vid 1 mcast_startup_query_count 5

Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
This commit is contained in:
Nikolay Aleksandrov 2021-08-28 14:07:57 +03:00 committed by David Ahern
parent 3399c0759f
commit 7cc7dbf447
2 changed files with 22 additions and 1 deletions
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15
bridge/vlan.c
View File

@ -43,6 +43,7 @@ static void usage(void)
" [ mcast_igmp_version IGMP_VERSION ]\n"
" [ mcast_mld_version MLD_VERSION ]\n"
" [ mcast_last_member_count LAST_MEMBER_COUNT ]\n"
" [ mcast_startup_query_count STARTUP_QUERY_COUNT ]\n"
" bridge vlan global { show } [ dev DEV ] [ vid VLAN_ID ]\n");
exit(-1);
}
@ -429,6 +430,14 @@ static int vlan_global_option_set(int argc, char **argv)
addattr32(&req.n, 1024,
BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT,
val32);
} else if (strcmp(*argv, "mcast_startup_query_count") == 0) {
NEXT_ARG();
if (get_u32(&val32, *argv, 0))
invarg("invalid mcast_startup_query_count",
*argv);
addattr32(&req.n, 1024,
BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT,
val32);
} else {
if (strcmp(*argv, "help") == 0)
NEXT_ARG();
@ -783,6 +792,12 @@ static void print_vlan_global_opts(struct rtattr *a, int ifindex)
"mcast_last_member_count %u ",
rta_getattr_u32(vattr));
}
if (vtb[BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT]) {
vattr = vtb[BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT];
print_uint(PRINT_ANY, "mcast_startup_query_count",
"mcast_startup_query_count %u ",
rta_getattr_u32(vattr));
}
print_nl();
close_json_object();
}

8
man/man8/bridge.8
View File

@ -165,7 +165,9 @@ bridge \- show / manipulate bridge addresses and devices
.B mcast_mld_version
.IR MLD_VERSION " ] [ "
.B mcast_last_member_count
.IR LAST_MEMBER_COUNT " ]"
.IR LAST_MEMBER_COUNT " ] [ "
.B mcast_startup_query_count
.IR STARTUP_QUERY_COUNT " ]"
.ti -8
.BR "bridge vlan global" " [ " show " ] [ "
@ -951,6 +953,10 @@ set multicast last member count, ie the number of queries the bridge
will send before stopping forwarding a multicast group after a "leave"
message has been received. Default is 2.
.TP
.BI mcast_startup_query_count " STARTUP_QUERY_COUNT "
set the number of queries to send during startup phase. Default is 2.
.SS bridge vlan global show - list global vlan options.
This command displays the global VLAN options for each VLAN entry.