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bridge: Take per-{Port, VLAN} neighbor suppression into account

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The bridge driver gates the neighbor suppression code behind an internal
per-bridge flag called 'BROPT_NEIGH_SUPPRESS_ENABLED'. The flag is set
when at least one bridge port has neighbor suppression enabled.

As a preparation for per-{Port, VLAN} neighbor suppression, make sure
the global flag is also set if per-{Port, VLAN} neighbor suppression is
enabled. That is, when the 'BR_NEIGH_VLAN_SUPPRESS' flag is set on at
least one bridge port.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2023-04-19 18:34:55 +03:00 committed by David S. Miller
parent a714e3ec23
commit 6be42ed0a5
2 changed files with 2 additions and 2 deletions
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2
net/bridge/br_arp_nd_proxy.c
View File

@ -30,7 +30,7 @@ void br_recalculate_neigh_suppress_enabled(struct net_bridge *br)
bool neigh_suppress = false;
list_for_each_entry(p, &br->port_list, list) {
if (p->flags & BR_NEIGH_SUPPRESS) {
if (p->flags & (BR_NEIGH_SUPPRESS | BR_NEIGH_VLAN_SUPPRESS)) {
neigh_suppress = true;
break;
}

2
net/bridge/br_if.c
View File

@ -759,7 +759,7 @@ void br_port_flags_change(struct net_bridge_port *p, unsigned long mask)
if (mask & BR_AUTO_MASK)
nbp_update_port_count(br);
if (mask & BR_NEIGH_SUPPRESS)
if (mask & (BR_NEIGH_SUPPRESS | BR_NEIGH_VLAN_SUPPRESS))
br_recalculate_neigh_suppress_enabled(br);
}