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net: bridge: mcast: install S,G entries automatically based on reports

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This patch adds support for automatic install of S,G mdb entries based
on the port group's source list and the source entry's timer.
Once installed the S,G will be used when forwarding packets if the
approprate multicast/mld versions are set. A new source flag called
BR_SGRP_F_INSTALLED denotes if the source has a forwarding mdb entry
installed.

Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nikolay Aleksandrov
2020-09-22 10:30:23 +03:00
committed by David S. Miller
parent 085b53c8be
commit b08123684b
2 changed files with 138 additions and 39 deletions
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1
net/bridge/br_private.h
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@@ -218,6 +218,7 @@ struct net_bridge_fdb_entry {
#define BR_SGRP_F_DELETE BIT(0)
#define BR_SGRP_F_SEND BIT(1)
#define BR_SGRP_F_INSTALLED BIT(2)
struct net_bridge_mcast_gc {
struct hlist_node gc_node;