[nuttx] branch master updated: net/mld: update help manual for mld router

[xi...@apache.org]

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xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx.git


The following commit(s) were added to refs/heads/master by this push:
     new 1a513588bf net/mld: update help manual for mld router
1a513588bf is described below

commit 1a513588bfab20f5795c95a791dfc6e261819ac5
Author: chao an <an...@xiaomi.com>
AuthorDate: Thu Jan 12 11:39:22 2023 +0800

    net/mld: update help manual for mld router
    
    Signed-off-by: chao an <an...@xiaomi.com>
---
 net/mld/Kconfig | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/net/mld/Kconfig b/net/mld/Kconfig
index f7512e1c32..5e105a149a 100644
--- a/net/mld/Kconfig
+++ b/net/mld/Kconfig
@@ -20,7 +20,15 @@ config NET_MLD_ROUTER
 	default n
 	---help---
 		Enables a few hooks that will be needed for router support in the
-		future.  Not yet ready for prime time.
+		future. Use IPv6 multicast routers to discover the presence of multicast
+		listeners (nodes configured to receive IPv6 multicast packets)
+		on its directly attached links and to discover which multicast packets
+		are of interest to neighboring nodes. All IPv6 multicast routers that
+		run MLD on the same subnet can monitor MLD listener report messages
+		(often called reports) from hosts. However, only one router can act as
+		the MLD querier to send MLD query messages (often called queries).
+		A querier election mechanism determines which router acts as the MLD
+		querier on the subnet.
 
 config NET_MLD_DEBUG
 	bool "Force MLD debug"