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net: bridge: mark hash_elasticity as obsolete

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Now that the bridge multicast uses the generic rhashtable interface we
can drop the hash_elasticity option as that is already done for us and
it's hardcoded to a maximum of RHT_ELASTICITY (16 currently). Add a
warning about the obsolete option when the hash_elasticity is set.

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nikolay Aleksandrov 2018-12-05 15:14:26 +02:00 committed by David S. Miller
parent 4329596cb1
commit cf332bca56
4 changed files with 7 additions and 12 deletions
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1
net/bridge/br_multicast.c
View File

@ -1741,7 +1741,6 @@ static void br_ip6_multicast_query_expired(struct timer_list *t)
void br_multicast_init(struct net_bridge *br)
{
br->hash_elasticity = 4;
br->hash_max = 512;
br->multicast_router = MDB_RTR_TYPE_TEMP_QUERY;

11
net/bridge/br_netlink.c
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@ -1189,11 +1189,9 @@ static int br_changelink(struct net_device *brdev, struct nlattr *tb[],
return err;
}
if (data[IFLA_BR_MCAST_HASH_ELASTICITY]) {
u32 val = nla_get_u32(data[IFLA_BR_MCAST_HASH_ELASTICITY]);
br->hash_elasticity = val;
}
if (data[IFLA_BR_MCAST_HASH_ELASTICITY])
br_warn(br, "the hash_elasticity option has been deprecated and is always %u\n",
RHT_ELASTICITY);
if (data[IFLA_BR_MCAST_HASH_MAX])
br->hash_max = nla_get_u32(data[IFLA_BR_MCAST_HASH_MAX]);
@ -1452,8 +1450,7 @@ static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev)
br_opt_get(br, BROPT_MULTICAST_QUERIER)) ||
nla_put_u8(skb, IFLA_BR_MCAST_STATS_ENABLED,
br_opt_get(br, BROPT_MULTICAST_STATS_ENABLED)) ||
nla_put_u32(skb, IFLA_BR_MCAST_HASH_ELASTICITY,
br->hash_elasticity) ||
nla_put_u32(skb, IFLA_BR_MCAST_HASH_ELASTICITY, RHT_ELASTICITY) ||
nla_put_u32(skb, IFLA_BR_MCAST_HASH_MAX, br->hash_max) ||
nla_put_u32(skb, IFLA_BR_MCAST_LAST_MEMBER_CNT,
br->multicast_last_member_count) ||

1
net/bridge/br_private.h
View File

@ -372,7 +372,6 @@ struct net_bridge {
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
u32 hash_elasticity;
u32 hash_max;
u32 multicast_last_member_count;

6
net/bridge/br_sysfs_br.c
View File

@ -424,13 +424,13 @@ static DEVICE_ATTR_RW(multicast_querier);
static ssize_t hash_elasticity_show(struct device *d,
struct device_attribute *attr, char *buf)
{
struct net_bridge *br = to_bridge(d);
return sprintf(buf, "%u\n", br->hash_elasticity);
return sprintf(buf, "%u\n", RHT_ELASTICITY);
}
static int set_elasticity(struct net_bridge *br, unsigned long val)
{
br->hash_elasticity = val;
br_warn(br, "the hash_elasticity option has been deprecated and is always %u\n",
RHT_ELASTICITY);
return 0;
}