[PATCH iproute2-next 08/17] bridge: vlan: add global mcast_last_member_count option
From: Nikolay Aleksandrov <razor@blackwall.org>
Date: 2021-08-26 13:09:42
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Nikolay Aleksandrov <redacted> Add control and dump support for the global mcast_last_member_count option which controls the number of queries the bridge will send on the vlan after a leave is received (default 2). Syntax: $ bridge vlan global set dev bridge vid 1 mcast_last_member_count 10 Signed-off-by: Nikolay Aleksandrov <redacted> --- bridge/vlan.c | 15 +++++++++++++++ man/man8/bridge.8 | 10 +++++++++- 2 files changed, 24 insertions(+), 1 deletion(-)
diff --git a/bridge/vlan.c b/bridge/vlan.c
index 00b4f8a00d9b..ee9442e3908f 100644
--- a/bridge/vlan.c
+++ b/bridge/vlan.c@@ -41,6 +41,7 @@ static void usage(void) " bridge vlan global { set } vid VLAN_ID dev DEV [ mcast_snooping MULTICAST_SNOOPING ]\n" " [ mcast_igmp_version IGMP_VERSION ]\n" " [ mcast_mld_version MLD_VERSION ]\n" + " [ mcast_last_member_count LAST_MEMBER_COUNT ]\n" " bridge vlan global { show } [ dev DEV ] [ vid VLAN_ID ]\n"); exit(-1); }
@@ -358,6 +359,7 @@ static int vlan_global_option_set(int argc, char **argv) short vid_end = -1; char *d = NULL; short vid = -1; + __u32 val32; __u8 val8; afspec = addattr_nest(&req.n, sizeof(req),
@@ -419,6 +421,13 @@ static int vlan_global_option_set(int argc, char **argv) invarg("invalid mcast_mld_version", *argv); addattr8(&req.n, 1024, BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION, val8); + } else if (strcmp(*argv, "mcast_last_member_count") == 0) { + NEXT_ARG(); + if (get_u32(&val32, *argv, 0)) + invarg("invalid mcast_last_member_count", *argv); + addattr32(&req.n, 1024, + BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT, + val32); } else { if (matches(*argv, "help") == 0) NEXT_ARG();
@@ -767,6 +776,12 @@ static void print_vlan_global_opts(struct rtattr *a, int ifindex) print_uint(PRINT_ANY, "mcast_mld_version", "mcast_mld_version %u ", rta_getattr_u8(vattr)); } + if (vtb[BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION]) { + vattr = vtb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT]; + print_uint(PRINT_ANY, "mcast_last_member_count", + "mcast_last_member_count %u ", + rta_getattr_u32(vattr)); + } print_nl(); close_json_object(); }
diff --git a/man/man8/bridge.8 b/man/man8/bridge.8
index dcbff9367334..cea755184336 100644
--- a/man/man8/bridge.8
+++ b/man/man8/bridge.8@@ -163,7 +163,9 @@ bridge \- show / manipulate bridge addresses and devices .B mcast_igmp_version .IR IGMP_VERSION " ] [ " .B mcast_mld_version -.IR MLD_VERSION " ]" +.IR MLD_VERSION " ] [ " +.B mcast_last_member_count +.IR LAST_MEMBER_COUNT " ]" .ti -8 .BR "bridge vlan global" " [ " show " ] [ "
@@ -943,6 +945,12 @@ set the IGMP version. Default is 2. .BI mcast_mld_version " MLD_VERSION " set the MLD version. Default is 1. +.TP +.BI mcast_last_member_count " LAST_MEMBER_COUNT " +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. + .SS bridge vlan global show - list global vlan options. This command displays the global VLAN options for each VLAN entry.
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2.31.1