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drop_monitor: Initialize hardware per-CPU data

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Like software drops, hardware drops also need the same type of per-CPU
data. Therefore, initialize it during module initialization and
de-initialize it during module exit.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2019-08-17 16:28:11 +03:00 committed by David S. Miller
parent 9b63f57d4a
commit cac1174fa1
1 changed files with 23 additions and 2 deletions
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25
net/core/drop_monitor.c
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@ -76,6 +76,7 @@ struct dm_hw_stat_delta {
static struct genl_family net_drop_monitor_family;
static DEFINE_PER_CPU(struct per_cpu_dm_data, dm_cpu_data);
static DEFINE_PER_CPU(struct per_cpu_dm_data, dm_hw_cpu_data);
static int dm_hit_limit = 64;
static int dm_delay = 1;
@ -966,6 +967,22 @@ static void net_dm_cpu_data_fini(int cpu)
__net_dm_cpu_data_fini(data);
}
static void net_dm_hw_cpu_data_init(int cpu)
{
struct per_cpu_dm_data *hw_data;
hw_data = &per_cpu(dm_hw_cpu_data, cpu);
__net_dm_cpu_data_init(hw_data);
}
static void net_dm_hw_cpu_data_fini(int cpu)
{
struct per_cpu_dm_data *hw_data;
hw_data = &per_cpu(dm_hw_cpu_data, cpu);
__net_dm_cpu_data_fini(hw_data);
}
static int __init init_net_drop_monitor(void)
{
int cpu, rc;
@ -992,8 +1009,10 @@ static int __init init_net_drop_monitor(void)
rc = 0;
for_each_possible_cpu(cpu)
for_each_possible_cpu(cpu) {
net_dm_cpu_data_init(cpu);
net_dm_hw_cpu_data_init(cpu);
}
goto out;
@ -1014,8 +1033,10 @@ static void exit_net_drop_monitor(void)
* we are guarnateed not to have any current users when we get here
*/
for_each_possible_cpu(cpu)
for_each_possible_cpu(cpu) {
net_dm_hw_cpu_data_fini(cpu);
net_dm_cpu_data_fini(cpu);
}
BUG_ON(genl_unregister_family(&net_drop_monitor_family));
}