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net: bridge: mcast: prepare expiry functions for mcast router split

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In preparation for the upcoming split of multicast router state into
their IPv4 and IPv6 variants move the protocol specific timer access to
an ip4 wrapper function.

Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Linus Lüssing 2021-05-13 15:20:48 +02:00 committed by David S. Miller
parent 1a3065a268
commit ee5fb2223e
1 changed files with 22 additions and 9 deletions
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31
net/bridge/br_multicast.c
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@ -1354,16 +1354,16 @@ static int br_ip6_multicast_add_group(struct net_bridge *br,
}
#endif
static void br_multicast_router_expired(struct timer_list *t)
static void br_multicast_router_expired(struct net_bridge_port *port,
struct timer_list *t,
struct hlist_node *rlist)
{
struct net_bridge_port *port =
from_timer(port, t, ip4_mc_router_timer);
struct net_bridge *br = port->br;
spin_lock(&br->multicast_lock);
if (port->multicast_router == MDB_RTR_TYPE_DISABLED ||
port->multicast_router == MDB_RTR_TYPE_PERM ||
timer_pending(&port->ip4_mc_router_timer))
timer_pending(t))
goto out;
__del_port_router(port);
@ -1371,6 +1371,13 @@ out:
spin_unlock(&br->multicast_lock);
}
static void br_ip4_multicast_router_expired(struct timer_list *t)
{
struct net_bridge_port *port = from_timer(port, t, ip4_mc_router_timer);
br_multicast_router_expired(port, t, &port->ip4_rlist);
}
static void br_mc_router_state_change(struct net_bridge *p,
bool is_mc_router)
{
@ -1384,10 +1391,9 @@ static void br_mc_router_state_change(struct net_bridge *p,
switchdev_port_attr_set(p->dev, &attr, NULL);
}
static void br_multicast_local_router_expired(struct timer_list *t)
static void br_multicast_local_router_expired(struct net_bridge *br,
struct timer_list *timer)
{
struct net_bridge *br = from_timer(br, t, ip4_mc_router_timer);
spin_lock(&br->multicast_lock);
if (br->multicast_router == MDB_RTR_TYPE_DISABLED ||
br->multicast_router == MDB_RTR_TYPE_PERM ||
@ -1400,6 +1406,13 @@ out:
spin_unlock(&br->multicast_lock);
}
static void br_ip4_multicast_local_router_expired(struct timer_list *t)
{
struct net_bridge *br = from_timer(br, t, ip4_mc_router_timer);
br_multicast_local_router_expired(br, t);
}
static void br_multicast_querier_expired(struct net_bridge *br,
struct bridge_mcast_own_query *query)
{
@ -1615,7 +1628,7 @@ int br_multicast_add_port(struct net_bridge_port *port)
port->multicast_eht_hosts_limit = BR_MCAST_DEFAULT_EHT_HOSTS_LIMIT;
timer_setup(&port->ip4_mc_router_timer,
br_multicast_router_expired, 0);
br_ip4_multicast_router_expired, 0);
timer_setup(&port->ip4_own_query.timer,
br_ip4_multicast_port_query_expired, 0);
#if IS_ENABLED(CONFIG_IPV6)
@ -3319,7 +3332,7 @@ void br_multicast_init(struct net_bridge *br)
spin_lock_init(&br->multicast_lock);
timer_setup(&br->ip4_mc_router_timer,
br_multicast_local_router_expired, 0);
br_ip4_multicast_local_router_expired, 0);
timer_setup(&br->ip4_other_query.timer,
br_ip4_multicast_querier_expired, 0);
timer_setup(&br->ip4_own_query.timer,