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Diffstat (limited to 'net/core/drop_monitor.c')
-rw-r--r--net/core/drop_monitor.c36
1 files changed, 12 insertions, 24 deletions
diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c
index 41cac0e4834e..75501e1bdd25 100644
--- a/net/core/drop_monitor.c
+++ b/net/core/drop_monitor.c
@@ -48,19 +48,6 @@
static int trace_state = TRACE_OFF;
static bool monitor_hw;
-#undef EM
-#undef EMe
-
-#define EM(a, b) [a] = #b,
-#define EMe(a, b) [a] = #b
-
-/* drop_reasons is used to translate 'enum skb_drop_reason' to string,
- * which is reported to user space.
- */
-static const char * const drop_reasons[] = {
- TRACE_SKB_DROP_REASON
-};
-
/* net_dm_mutex
*
* An overall lock guarding every operation coming from userspace.
@@ -68,7 +55,7 @@ static const char * const drop_reasons[] = {
static DEFINE_MUTEX(net_dm_mutex);
struct net_dm_stats {
- u64 dropped;
+ u64_stats_t dropped;
struct u64_stats_sync syncp;
};
@@ -543,7 +530,7 @@ static void net_dm_packet_trace_kfree_skb_hit(void *ignore,
unlock_free:
spin_unlock_irqrestore(&data->drop_queue.lock, flags);
u64_stats_update_begin(&data->stats.syncp);
- data->stats.dropped++;
+ u64_stats_inc(&data->stats.dropped);
u64_stats_update_end(&data->stats.syncp);
consume_skb(nskb);
}
@@ -877,7 +864,8 @@ net_dm_hw_metadata_copy(const struct devlink_trap_metadata *metadata)
}
hw_metadata->input_dev = metadata->input_dev;
- dev_hold_track(hw_metadata->input_dev, &hw_metadata->dev_tracker, GFP_ATOMIC);
+ netdev_hold(hw_metadata->input_dev, &hw_metadata->dev_tracker,
+ GFP_ATOMIC);
return hw_metadata;
@@ -893,7 +881,7 @@ free_hw_metadata:
static void
net_dm_hw_metadata_free(struct devlink_trap_metadata *hw_metadata)
{
- dev_put_track(hw_metadata->input_dev, &hw_metadata->dev_tracker);
+ netdev_put(hw_metadata->input_dev, &hw_metadata->dev_tracker);
kfree(hw_metadata->fa_cookie);
kfree(hw_metadata->trap_name);
kfree(hw_metadata->trap_group_name);
@@ -998,7 +986,7 @@ net_dm_hw_trap_packet_probe(void *ignore, const struct devlink *devlink,
unlock_free:
spin_unlock_irqrestore(&hw_data->drop_queue.lock, flags);
u64_stats_update_begin(&hw_data->stats.syncp);
- hw_data->stats.dropped++;
+ u64_stats_inc(&hw_data->stats.dropped);
u64_stats_update_end(&hw_data->stats.syncp);
net_dm_hw_metadata_free(n_hw_metadata);
free:
@@ -1445,10 +1433,10 @@ static void net_dm_stats_read(struct net_dm_stats *stats)
do {
start = u64_stats_fetch_begin_irq(&cpu_stats->syncp);
- dropped = cpu_stats->dropped;
+ dropped = u64_stats_read(&cpu_stats->dropped);
} while (u64_stats_fetch_retry_irq(&cpu_stats->syncp, start));
- stats->dropped += dropped;
+ u64_stats_add(&stats->dropped, dropped);
}
}
@@ -1464,7 +1452,7 @@ static int net_dm_stats_put(struct sk_buff *msg)
return -EMSGSIZE;
if (nla_put_u64_64bit(msg, NET_DM_ATTR_STATS_DROPPED,
- stats.dropped, NET_DM_ATTR_PAD))
+ u64_stats_read(&stats.dropped), NET_DM_ATTR_PAD))
goto nla_put_failure;
nla_nest_end(msg, attr);
@@ -1489,10 +1477,10 @@ static void net_dm_hw_stats_read(struct net_dm_stats *stats)
do {
start = u64_stats_fetch_begin_irq(&cpu_stats->syncp);
- dropped = cpu_stats->dropped;
+ dropped = u64_stats_read(&cpu_stats->dropped);
} while (u64_stats_fetch_retry_irq(&cpu_stats->syncp, start));
- stats->dropped += dropped;
+ u64_stats_add(&stats->dropped, dropped);
}
}
@@ -1508,7 +1496,7 @@ static int net_dm_hw_stats_put(struct sk_buff *msg)
return -EMSGSIZE;
if (nla_put_u64_64bit(msg, NET_DM_ATTR_STATS_DROPPED,
- stats.dropped, NET_DM_ATTR_PAD))
+ u64_stats_read(&stats.dropped), NET_DM_ATTR_PAD))
goto nla_put_failure;
nla_nest_end(msg, attr);