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net: bridge: Add extack to br_multicast_new_port_group()

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Make it possible to set an extack in br_multicast_new_port_group().
Eventually, this function will check for per-port and per-port-vlan
MDB maximums, and will use the extack to communicate the reason for
the bounce.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-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:
Petr Machata 2023-02-02 18:59:20 +01:00 committed by David S. Miller
parent c00041cf1c
commit 60977a0c63
3 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
net/bridge/br_mdb.c
View File

@ -849,7 +849,7 @@ static int br_mdb_add_group_sg(const struct br_mdb_config *cfg,
}
p = br_multicast_new_port_group(cfg->p, &cfg->group, *pp, flags, NULL,
MCAST_INCLUDE, cfg->rt_protocol);
MCAST_INCLUDE, cfg->rt_protocol, extack);
if (unlikely(!p)) {
NL_SET_ERR_MSG_MOD(extack, "Couldn't allocate new (S, G) port group");
return -ENOMEM;
@ -1075,7 +1075,8 @@ static int br_mdb_add_group_star_g(const struct br_mdb_config *cfg,
}
p = br_multicast_new_port_group(cfg->p, &cfg->group, *pp, flags, NULL,
cfg->filter_mode, cfg->rt_protocol);
cfg->filter_mode, cfg->rt_protocol,
extack);
if (unlikely(!p)) {
NL_SET_ERR_MSG_MOD(extack, "Couldn't allocate new (*, G) port group");
return -ENOMEM;

5
net/bridge/br_multicast.c
View File

@ -1284,7 +1284,8 @@ struct net_bridge_port_group *br_multicast_new_port_group(
unsigned char flags,
const unsigned char *src,
u8 filter_mode,
u8 rt_protocol)
u8 rt_protocol,
struct netlink_ext_ack *extack)
{
struct net_bridge_port_group *p;
@ -1387,7 +1388,7 @@ __br_multicast_add_group(struct net_bridge_mcast *brmctx,
}
p = br_multicast_new_port_group(pmctx->port, group, *pp, 0, src,
filter_mode, RTPROT_KERNEL);
filter_mode, RTPROT_KERNEL, NULL);
if (unlikely(!p)) {
p = ERR_PTR(-ENOMEM);
goto out;

3
net/bridge/br_private.h
View File

@ -956,7 +956,8 @@ br_multicast_new_port_group(struct net_bridge_port *port,
const struct br_ip *group,
struct net_bridge_port_group __rcu *next,
unsigned char flags, const unsigned char *src,
u8 filter_mode, u8 rt_protocol);
u8 filter_mode, u8 rt_protocol,
struct netlink_ext_ack *extack);
int br_mdb_hash_init(struct net_bridge *br);
void br_mdb_hash_fini(struct net_bridge *br);
void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp,