Author: mw
Date: Tue May 26 15:44:08 2020
New Revision: 361518
URL: https://svnweb.freebsd.org/changeset/base/361518
Log:
Improve indentation in ena_up() and ena_down()
If the conditional check for ENA_FLAG_DEV_UP is negated, the body of the
function can have smaller indentation and it makes the code cleaner.
Submitted by: Michal Krawczyk <m...@semihalf.com>
Obtained from: Semihalf
Sponsored by: Amazon, Inc.
Modified:
head/sys/dev/ena/ena.c
Modified: head/sys/dev/ena/ena.c
==============================================================================
--- head/sys/dev/ena/ena.c Tue May 26 15:41:53 2020 (r361517)
+++ head/sys/dev/ena/ena.c Tue May 26 15:44:08 2020 (r361518)
@@ -1788,71 +1788,72 @@ ena_up(struct ena_adapter *adapter)
return (ENXIO);
}
- if (!ENA_FLAG_ISSET(ENA_FLAG_DEV_UP, adapter)) {
- device_printf(adapter->pdev, "device is going UP\n");
+ if (ENA_FLAG_ISSET(ENA_FLAG_DEV_UP, adapter))
+ return (0);
- /* setup interrupts for IO queues */
- rc = ena_setup_io_intr(adapter);
- if (unlikely(rc != 0)) {
- ena_trace(ENA_ALERT, "error setting up IO interrupt\n");
- goto error;
- }
- rc = ena_request_io_irq(adapter);
- if (unlikely(rc != 0)) {
- ena_trace(ENA_ALERT, "err_req_irq\n");
- goto error;
- }
+ device_printf(adapter->pdev, "device is going UP\n");
- /* allocate transmit descriptors */
- rc = ena_setup_all_tx_resources(adapter);
- if (unlikely(rc != 0)) {
- ena_trace(ENA_ALERT, "err_setup_tx\n");
- goto err_setup_tx;
- }
+ /* setup interrupts for IO queues */
+ rc = ena_setup_io_intr(adapter);
+ if (unlikely(rc != 0)) {
+ ena_trace(ENA_ALERT, "error setting up IO interrupt\n");
+ goto error;
+ }
+ rc = ena_request_io_irq(adapter);
+ if (unlikely(rc != 0)) {
+ ena_trace(ENA_ALERT, "err_req_irq\n");
+ goto error;
+ }
- /* allocate receive descriptors */
- rc = ena_setup_all_rx_resources(adapter);
- if (unlikely(rc != 0)) {
- ena_trace(ENA_ALERT, "err_setup_rx\n");
- goto err_setup_rx;
- }
+ /* allocate transmit descriptors */
+ rc = ena_setup_all_tx_resources(adapter);
+ if (unlikely(rc != 0)) {
+ ena_trace(ENA_ALERT, "err_setup_tx\n");
+ goto err_setup_tx;
+ }
- /* create IO queues for Rx & Tx */
- rc = ena_create_io_queues(adapter);
- if (unlikely(rc != 0)) {
- ena_trace(ENA_ALERT,
- "create IO queues failed\n");
- goto err_io_que;
- }
+ /* allocate receive descriptors */
+ rc = ena_setup_all_rx_resources(adapter);
+ if (unlikely(rc != 0)) {
+ ena_trace(ENA_ALERT, "err_setup_rx\n");
+ goto err_setup_rx;
+ }
- if (ENA_FLAG_ISSET(ENA_FLAG_LINK_UP, adapter))
- if_link_state_change(adapter->ifp, LINK_STATE_UP);
+ /* create IO queues for Rx & Tx */
+ rc = ena_create_io_queues(adapter);
+ if (unlikely(rc != 0)) {
+ ena_trace(ENA_ALERT,
+ "create IO queues failed\n");
+ goto err_io_que;
+ }
- rc = ena_up_complete(adapter);
- if (unlikely(rc != 0))
- goto err_up_complete;
+ if (ENA_FLAG_ISSET(ENA_FLAG_LINK_UP, adapter))
+ if_link_state_change(adapter->ifp, LINK_STATE_UP);
- counter_u64_add(adapter->dev_stats.interface_up, 1);
+ rc = ena_up_complete(adapter);
+ if (unlikely(rc != 0))
+ goto err_up_complete;
- ena_update_hwassist(adapter);
+ counter_u64_add(adapter->dev_stats.interface_up, 1);
- if_setdrvflagbits(adapter->ifp, IFF_DRV_RUNNING,
- IFF_DRV_OACTIVE);
+ ena_update_hwassist(adapter);
- /* Activate timer service only if the device is running.
- * If this flag is not set, it means that the driver is being
- * reset and timer service will be activated afterwards.
- */
- if (ENA_FLAG_ISSET(ENA_FLAG_DEVICE_RUNNING, adapter)) {
- callout_reset_sbt(&adapter->timer_service, SBT_1S,
- SBT_1S, ena_timer_service, (void *)adapter, 0);
- }
+ if_setdrvflagbits(adapter->ifp, IFF_DRV_RUNNING,
+ IFF_DRV_OACTIVE);
- ENA_FLAG_SET_ATOMIC(ENA_FLAG_DEV_UP, adapter);
-
- ena_unmask_all_io_irqs(adapter);
+ /* Activate timer service only if the device is running.
+ * If this flag is not set, it means that the driver is being
+ * reset and timer service will be activated afterwards.
+ */
+ if (ENA_FLAG_ISSET(ENA_FLAG_DEVICE_RUNNING, adapter)) {
+ callout_reset_sbt(&adapter->timer_service, SBT_1S,
+ SBT_1S, ena_timer_service, (void *)adapter, 0);
}
+ ENA_FLAG_SET_ATOMIC(ENA_FLAG_DEV_UP, adapter);
+
+ ena_unmask_all_io_irqs(adapter);
+
return (0);
err_up_complete:
@@ -2162,34 +2163,35 @@ ena_down(struct ena_adapter *adapter)
{
int rc;
- if (ENA_FLAG_ISSET(ENA_FLAG_DEV_UP, adapter)) {
- device_printf(adapter->pdev, "device is going DOWN\n");
+ if (!ENA_FLAG_ISSET(ENA_FLAG_DEV_UP, adapter))
+ return;
- callout_drain(&adapter->timer_service);
+ device_printf(adapter->pdev, "device is going DOWN\n");
- ENA_FLAG_CLEAR_ATOMIC(ENA_FLAG_DEV_UP, adapter);
- if_setdrvflagbits(adapter->ifp, IFF_DRV_OACTIVE,
- IFF_DRV_RUNNING);
+ callout_drain(&adapter->timer_service);
- ena_free_io_irq(adapter);
+ ENA_FLAG_CLEAR_ATOMIC(ENA_FLAG_DEV_UP, adapter);
+ if_setdrvflagbits(adapter->ifp, IFF_DRV_OACTIVE,
+ IFF_DRV_RUNNING);
- if (ENA_FLAG_ISSET(ENA_FLAG_TRIGGER_RESET, adapter)) {
- rc = ena_com_dev_reset(adapter->ena_dev,
- adapter->reset_reason);
- if (unlikely(rc != 0))
- device_printf(adapter->pdev,
- "Device reset failed\n");
- }
+ ena_free_io_irq(adapter);
- ena_destroy_all_io_queues(adapter);
+ if (ENA_FLAG_ISSET(ENA_FLAG_TRIGGER_RESET, adapter)) {
+ rc = ena_com_dev_reset(adapter->ena_dev,
+ adapter->reset_reason);
+ if (unlikely(rc != 0))
+ device_printf(adapter->pdev,
+ "Device reset failed\n");
+ }
- ena_free_all_tx_bufs(adapter);
- ena_free_all_rx_bufs(adapter);
- ena_free_all_tx_resources(adapter);
- ena_free_all_rx_resources(adapter);
+ ena_destroy_all_io_queues(adapter);
- counter_u64_add(adapter->dev_stats.interface_down, 1);
- }
+ ena_free_all_tx_bufs(adapter);
+ ena_free_all_rx_bufs(adapter);
+ ena_free_all_tx_resources(adapter);
+ ena_free_all_rx_resources(adapter);
+
+ counter_u64_add(adapter->dev_stats.interface_down, 1);
}
static int
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