qlcnic: add driver debug support
Add debug print in driver, can be tuned by ethtool msg level
callback.
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index 38e0829..039f693 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -1742,6 +1742,7 @@
request_reset:
adapter->need_fw_reset = 1;
clear_bit(__QLCNIC_RESETTING, &adapter->state);
+ QLCDB(adapter, DRV, "Resetting adapter\n");
}
static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
@@ -2046,6 +2047,7 @@
}
prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
+ QLCDB(adapter, HW, "Device state = %u\n", prev_state);
switch (prev_state) {
case QLCNIC_DEV_COLD:
@@ -2082,8 +2084,11 @@
} while ((QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) != QLCNIC_DEV_READY)
&& --dev_init_timeo);
- if (!dev_init_timeo)
+ if (!dev_init_timeo) {
+ dev_err(&adapter->pdev->dev,
+ "Waiting for device to initialize timeout\n");
return -1;
+ }
if (qlcnic_api_lock(adapter))
return -1;
@@ -2113,6 +2118,7 @@
return;
}
+ QLCDB(adapter, DRV, "Resetting FW\n");
if (!qlcnic_start_firmware(adapter)) {
qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
return;
@@ -2121,10 +2127,15 @@
goto err_ret;
}
- if (adapter->fw_wait_cnt++ > (adapter->dev_init_timeo / 2))
+ if (adapter->fw_wait_cnt++ > (adapter->dev_init_timeo / 2)) {
+ dev_err(&adapter->pdev->dev,
+ "Waiting for device to reset timeout\n");
goto err_ret;
+ }
dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
+ QLCDB(adapter, HW, "Func waiting: Device state=%d\n", dev_state);
+
switch (dev_state) {
case QLCNIC_DEV_READY:
if (!qlcnic_start_firmware(adapter)) {
@@ -2177,6 +2188,8 @@
return;
err_ret:
+ dev_err(&adapter->pdev->dev, "detach failed; status=%d temp=%d\n",
+ status, adapter->temp);
qlcnic_clr_all_drv_state(adapter);
}
@@ -2194,6 +2207,7 @@
if (state != QLCNIC_DEV_INITALIZING && state != QLCNIC_DEV_NEED_RESET) {
QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET);
set_bit(__QLCNIC_START_FW, &adapter->state);
+ QLCDB(adapter, DRV, "NEED_RESET state set\n");
}
qlcnic_api_unlock(adapter);
@@ -2290,8 +2304,11 @@
QLCNIC_DEV_NEED_RESET;
if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
- !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
+ !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) {
+
qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
+ QLCDB(adapter, DRV, "fw recovery scheduled.\n");
+ }
return 1;
}