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net/mld: update help manual for mld router 

Signed-off-by: chao an <anchao@xiaomi.com>
This commit is contained in:
chao an 2023-01-12 11:39:22 +08:00 committed by Xiang Xiao
parent 6222ad5764
commit 1a513588bf
1 changed files with 9 additions and 1 deletions
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10
net/mld/Kconfig
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@ -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"