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authorIdo Schimmel <idosch@mellanox.com>2019-08-17 16:28:11 +0300
committerDavid S. Miller <davem@davemloft.net>2019-08-17 12:40:08 -0700
commitcac1174fa17f2cf5d504cbe00c0053f0b9e3b58d (patch)
tree19361e6055a96e62562992f3e9889c7d046d12c6 /net/core
parent9b63f57d4ab981e18e35def3349040527ead93c3 (diff)
drop_monitor: Initialize hardware per-CPU data
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>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/drop_monitor.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c
index 349ab78b8c3e..aa9147a18329 100644
--- a/net/core/drop_monitor.c
+++ b/net/core/drop_monitor.c
@@ -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));
}