qlcnic: Fix mailbox response handling.
o Fix mailbox response poll time to maximum 5 seconds which
includes mailbox response time as well as time required for
processing AEN if any.
o Driver need to read firmware control mailbox register instead
of host control mailbox register.
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
index 7b5cb61..b4ff1e3 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
@@ -696,15 +696,14 @@
return 1;
}
-u32 qlcnic_83xx_mbx_poll(struct qlcnic_adapter *adapter)
+u32 qlcnic_83xx_mbx_poll(struct qlcnic_adapter *adapter, u32 *wait_time)
{
u32 data;
- unsigned long wait_time = 0;
struct qlcnic_hardware_context *ahw = adapter->ahw;
/* wait for mailbox completion */
do {
data = QLCRDX(ahw, QLCNIC_FW_MBX_CTRL);
- if (++wait_time > QLCNIC_MBX_TIMEOUT) {
+ if (++(*wait_time) > QLCNIC_MBX_TIMEOUT) {
data = QLCNIC_RCODE_TIMEOUT;
break;
}
@@ -720,8 +719,8 @@
u16 opcode;
u8 mbx_err_code;
unsigned long flags;
- u32 rsp, mbx_val, fw_data, rsp_num, mbx_cmd;
struct qlcnic_hardware_context *ahw = adapter->ahw;
+ u32 rsp, mbx_val, fw_data, rsp_num, mbx_cmd, wait_time = 0;
opcode = LSW(cmd->req.arg[0]);
if (!test_bit(QLC_83XX_MBX_READY, &adapter->ahw->idc.status)) {
@@ -754,15 +753,13 @@
/* Signal FW about the impending command */
QLCWRX(ahw, QLCNIC_HOST_MBX_CTRL, QLCNIC_SET_OWNER);
poll:
- rsp = qlcnic_83xx_mbx_poll(adapter);
+ rsp = qlcnic_83xx_mbx_poll(adapter, &wait_time);
if (rsp != QLCNIC_RCODE_TIMEOUT) {
/* Get the FW response data */
fw_data = readl(QLCNIC_MBX_FW(ahw, 0));
if (fw_data & QLCNIC_MBX_ASYNC_EVENT) {
__qlcnic_83xx_process_aen(adapter);
- mbx_val = QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL);
- if (mbx_val)
- goto poll;
+ goto poll;
}
mbx_err_code = QLCNIC_MBX_STATUS(fw_data);
rsp_num = QLCNIC_MBX_NUM_REGS(fw_data);
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
index faf5553..f5db67f 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
@@ -620,7 +620,7 @@
int qlcnic_83xx_enable_flash_write(struct qlcnic_adapter *);
int qlcnic_83xx_disable_flash_write(struct qlcnic_adapter *);
u32 qlcnic_83xx_mac_rcode(struct qlcnic_adapter *);
-u32 qlcnic_83xx_mbx_poll(struct qlcnic_adapter *);
+u32 qlcnic_83xx_mbx_poll(struct qlcnic_adapter *, u32 *);
void qlcnic_83xx_enable_mbx_poll(struct qlcnic_adapter *);
void qlcnic_83xx_disable_mbx_poll(struct qlcnic_adapter *);
#endif
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h
index 95b1b57..b6818f4 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h
@@ -134,7 +134,7 @@
#define QLCNIC_SET_OWNER 1
#define QLCNIC_CLR_OWNER 0
-#define QLCNIC_MBX_TIMEOUT 10000
+#define QLCNIC_MBX_TIMEOUT 5000
#define QLCNIC_MBX_RSP_OK 1
#define QLCNIC_MBX_PORT_RSP_OK 0x1a
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
index 44d547d..3869c38 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
@@ -280,9 +280,9 @@
static int qlcnic_sriov_post_bc_msg(struct qlcnic_adapter *adapter, u32 *hdr,
u32 *pay, u8 pci_func, u8 size)
{
+ u32 rsp, mbx_val, fw_data, rsp_num, mbx_cmd, val, wait_time = 0;
struct qlcnic_hardware_context *ahw = adapter->ahw;
unsigned long flags;
- u32 rsp, mbx_val, fw_data, rsp_num, mbx_cmd, val;
u16 opcode;
u8 mbx_err_code;
int i, j;
@@ -330,15 +330,13 @@
* assume something is wrong.
*/
poll:
- rsp = qlcnic_83xx_mbx_poll(adapter);
+ rsp = qlcnic_83xx_mbx_poll(adapter, &wait_time);
if (rsp != QLCNIC_RCODE_TIMEOUT) {
/* Get the FW response data */
fw_data = readl(QLCNIC_MBX_FW(ahw, 0));
if (fw_data & QLCNIC_MBX_ASYNC_EVENT) {
__qlcnic_83xx_process_aen(adapter);
- mbx_val = QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL);
- if (mbx_val)
- goto poll;
+ goto poll;
}
mbx_err_code = QLCNIC_MBX_STATUS(fw_data);
rsp_num = QLCNIC_MBX_NUM_REGS(fw_data);