Running long hour iterative MPI tests, sometimes ethtool statistics "CM Destroy Listener" count is more than "CM Create Listener". This inconsistency is fixed by making counter variable atomic.
Signed-off-by: Faisal Latif <faisal.la...@intel.com> --- drivers/infiniband/hw/nes/nes.h | 4 ++-- drivers/infiniband/hw/nes/nes_cm.c | 8 ++++---- drivers/infiniband/hw/nes/nes_nic.c | 4 ++-- 3 files changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h index 9884056..cffdac4 100644 --- a/drivers/infiniband/hw/nes/nes.h +++ b/drivers/infiniband/hw/nes/nes.h @@ -193,8 +193,8 @@ extern u32 cm_packets_created; extern u32 cm_packets_received; extern u32 cm_packets_dropped; extern u32 cm_packets_retrans; -extern u32 cm_listens_created; -extern u32 cm_listens_destroyed; +extern atomic_t cm_listens_created; +extern atomic_t cm_listens_destroyed; extern u32 cm_backlog_drops; extern atomic_t cm_loopbacks; extern atomic_t cm_nodes_created; diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 39468c2..debd92c 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -67,8 +67,8 @@ u32 cm_packets_dropped; u32 cm_packets_retrans; u32 cm_packets_created; u32 cm_packets_received; -u32 cm_listens_created; -u32 cm_listens_destroyed; +atomic_t cm_listens_created; +atomic_t cm_listens_destroyed; u32 cm_backlog_drops; atomic_t cm_loopbacks; atomic_t cm_nodes_created; @@ -1042,7 +1042,7 @@ static int mini_cm_dec_refcnt_listen(struct nes_cm_core *cm_core, kfree(listener); listener = NULL; ret = 0; - cm_listens_destroyed++; + atomic_inc(&cm_listens_destroyed); } else { spin_unlock_irqrestore(&cm_core->listen_list_lock, flags); } @@ -3172,7 +3172,7 @@ int nes_create_listen(struct iw_cm_id *cm_id, int backlog) g_cm_core->api->stop_listener(g_cm_core, (void *)cm_node); return err; } - cm_listens_created++; + atomic_inc(&cm_listens_created); } cm_id->add_ref(cm_id); diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c index ab11027..3d550dc 100644 --- a/drivers/infiniband/hw/nes/nes_nic.c +++ b/drivers/infiniband/hw/nes/nes_nic.c @@ -1230,8 +1230,8 @@ static void nes_netdev_get_ethtool_stats(struct net_device *netdev, target_stat_values[++index] = cm_packets_received; target_stat_values[++index] = cm_packets_dropped; target_stat_values[++index] = cm_packets_retrans; - target_stat_values[++index] = cm_listens_created; - target_stat_values[++index] = cm_listens_destroyed; + target_stat_values[++index] = atomic_read(&cm_listens_created); + target_stat_values[++index] = atomic_read(&cm_listens_destroyed); target_stat_values[++index] = cm_backlog_drops; target_stat_values[++index] = atomic_read(&cm_loopbacks); target_stat_values[++index] = atomic_read(&cm_nodes_created); -- 1.5.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html