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qlcnic: Fix loopback test for SR-IOV PF.

o Do not disable mailbox interrupts while running
  loopback test through SR-IOV PF.

Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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1 parent 91b7282 commit d1a1105efd901481b0dbba2ad07156a293a0dbe6 Rajesh Borundia committed with davem330 Apr 19, 2013
@@ -1868,6 +1868,7 @@ static inline void qlcnic_enable_int(struct qlcnic_host_sds_ring *sds_ring)
writel(0xfbff, adapter->tgt_mask_reg);
}
+extern const struct ethtool_ops qlcnic_sriov_vf_ethtool_ops;
extern const struct ethtool_ops qlcnic_ethtool_ops;
extern const struct ethtool_ops qlcnic_ethtool_failed_ops;
@@ -402,7 +402,8 @@ static void qlcnic_83xx_poll_process_aen(struct qlcnic_adapter *adapter)
event = readl(QLCNIC_MBX_FW(adapter->ahw, 0));
if (event & QLCNIC_MBX_ASYNC_EVENT)
- qlcnic_83xx_process_aen(adapter);
+ __qlcnic_83xx_process_aen(adapter);
+
out:
qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter);
spin_unlock_irqrestore(&adapter->ahw->mbx_lock, flags);
@@ -758,7 +759,7 @@ int qlcnic_83xx_mbx_op(struct qlcnic_adapter *adapter,
/* 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);
+ __qlcnic_83xx_process_aen(adapter);
mbx_val = QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL);
if (mbx_val)
goto poll;
@@ -862,7 +863,7 @@ static void qlcnic_83xx_handle_idc_comp_aen(struct qlcnic_adapter *adapter,
return;
}
-void qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter)
+void __qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter)
{
u32 event[QLC_83XX_MBX_AEN_CNT];
int i;
@@ -907,6 +908,24 @@ void qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter)
QLCWRX(ahw, QLCNIC_FW_MBX_CTRL, QLCNIC_CLR_OWNER);
}
+static void qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter)
+{
+ struct qlcnic_hardware_context *ahw = adapter->ahw;
+ u32 resp, event;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ahw->mbx_lock, flags);
+
+ resp = QLCRDX(ahw, QLCNIC_FW_MBX_CTRL);
+ if (resp & QLCNIC_SET_OWNER) {
+ event = readl(QLCNIC_MBX_FW(ahw, 0));
+ if (event & QLCNIC_MBX_ASYNC_EVENT)
+ __qlcnic_83xx_process_aen(adapter);
+ }
+
+ spin_unlock_irqrestore(&ahw->mbx_lock, flags);
+}
+
static int qlcnic_83xx_add_rings(struct qlcnic_adapter *adapter)
{
int index, i, err, sds_mbx_size;
@@ -1274,7 +1293,8 @@ static int qlcnic_83xx_diag_alloc_res(struct net_device *netdev, int test)
if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
/* disable and free mailbox interrupt */
- qlcnic_83xx_free_mbx_intr(adapter);
+ if (!(adapter->flags & QLCNIC_MSIX_ENABLED))
+ qlcnic_83xx_free_mbx_intr(adapter);
adapter->ahw->loopback_state = 0;
adapter->ahw->hw_ops->setup_link_event(adapter, 1);
}
@@ -1302,12 +1322,14 @@ static void qlcnic_83xx_diag_free_res(struct net_device *netdev,
qlcnic_detach(adapter);
if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
- err = qlcnic_83xx_setup_mbx_intr(adapter);
- if (err) {
- dev_err(&adapter->pdev->dev,
- "%s: failed to setup mbx interrupt\n",
- __func__);
- goto out;
+ if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
+ err = qlcnic_83xx_setup_mbx_intr(adapter);
+ if (err) {
+ dev_err(&adapter->pdev->dev,
+ "%s: failed to setup mbx interrupt\n",
+ __func__);
+ goto out;
+ }
}
}
adapter->ahw->diag_test = 0;
@@ -1556,7 +1578,9 @@ int qlcnic_83xx_loopback_test(struct net_device *netdev, u8 mode)
/* Poll for link up event before running traffic */
do {
msleep(500);
- qlcnic_83xx_process_aen(adapter);
+ if (!(adapter->flags & QLCNIC_MSIX_ENABLED))
+ qlcnic_83xx_process_aen(adapter);
+
if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP) {
dev_info(&adapter->pdev->dev,
"Firmware didn't sent link up event to loopback request\n");
@@ -1610,7 +1634,9 @@ int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode)
/* Wait for Link and IDC Completion AEN */
do {
msleep(300);
- qlcnic_83xx_process_aen(adapter);
+ if (!(adapter->flags & QLCNIC_MSIX_ENABLED))
+ qlcnic_83xx_process_aen(adapter);
+
if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP) {
dev_err(&adapter->pdev->dev,
"FW did not generate IDC completion AEN\n");
@@ -1650,7 +1676,9 @@ int qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter *adapter, u8 mode)
/* Wait for Link and IDC Completion AEN */
do {
msleep(300);
- qlcnic_83xx_process_aen(adapter);
+ if (!(adapter->flags & QLCNIC_MSIX_ENABLED))
+ qlcnic_83xx_process_aen(adapter);
+
if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP) {
dev_err(&adapter->pdev->dev,
"Firmware didn't sent IDC completion AEN\n");
@@ -1924,7 +1952,7 @@ irqreturn_t qlcnic_83xx_handle_aen(int irq, void *data)
event = readl(QLCNIC_MBX_FW(adapter->ahw, 0));
if (event & QLCNIC_MBX_ASYNC_EVENT)
- qlcnic_83xx_process_aen(adapter);
+ __qlcnic_83xx_process_aen(adapter);
out:
mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK);
writel(0, adapter->ahw->pci_base0 + mask);
@@ -558,7 +558,7 @@ void qlcnic_83xx_disable_intr(struct qlcnic_adapter *,
struct qlcnic_host_sds_ring *);
void qlcnic_83xx_check_vf(struct qlcnic_adapter *,
const struct pci_device_id *);
-void qlcnic_83xx_process_aen(struct qlcnic_adapter *);
+void __qlcnic_83xx_process_aen(struct qlcnic_adapter *);
int qlcnic_83xx_get_port_config(struct qlcnic_adapter *);
int qlcnic_83xx_set_port_config(struct qlcnic_adapter *);
int qlcnic_enable_eswitch(struct qlcnic_adapter *, u8, u8);
@@ -859,9 +859,11 @@ static int qlcnic_irq_test(struct net_device *netdev)
return ret;
}
-#define QLCNIC_ILB_PKT_SIZE 64
-#define QLCNIC_NUM_ILB_PKT 16
-#define QLCNIC_ILB_MAX_RCV_LOOP 10
+#define QLCNIC_ILB_PKT_SIZE 64
+#define QLCNIC_NUM_ILB_PKT 16
+#define QLCNIC_ILB_MAX_RCV_LOOP 10
+#define QLCNIC_LB_PKT_POLL_DELAY_MSEC 1
+#define QLCNIC_LB_PKT_POLL_COUNT 20
static void qlcnic_create_loopback_buff(unsigned char *data, u8 mac[])
{
@@ -898,9 +900,9 @@ int qlcnic_do_lb_test(struct qlcnic_adapter *adapter, u8 mode)
loop = 0;
do {
- msleep(1);
+ msleep(QLCNIC_LB_PKT_POLL_DELAY_MSEC);
qlcnic_process_rcv_ring_diag(sds_ring);
- if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP)
+ if (loop++ > QLCNIC_LB_PKT_POLL_COUNT)
break;
} while (!adapter->ahw->diag_cnt);
@@ -1539,3 +1541,25 @@ const struct ethtool_ops qlcnic_ethtool_ops = {
.get_dump_data = qlcnic_get_dump_data,
.set_dump = qlcnic_set_dump,
};
+
+const struct ethtool_ops qlcnic_sriov_vf_ethtool_ops = {
+ .get_settings = qlcnic_get_settings,
+ .get_drvinfo = qlcnic_get_drvinfo,
+ .get_regs_len = qlcnic_get_regs_len,
+ .get_regs = qlcnic_get_regs,
+ .get_link = ethtool_op_get_link,
+ .get_eeprom_len = qlcnic_get_eeprom_len,
+ .get_eeprom = qlcnic_get_eeprom,
+ .get_ringparam = qlcnic_get_ringparam,
+ .set_ringparam = qlcnic_set_ringparam,
+ .get_channels = qlcnic_get_channels,
+ .get_pauseparam = qlcnic_get_pauseparam,
+ .get_wol = qlcnic_get_wol,
+ .get_strings = qlcnic_get_strings,
+ .get_ethtool_stats = qlcnic_get_ethtool_stats,
+ .get_sset_count = qlcnic_get_sset_count,
+ .get_coalesce = qlcnic_get_intr_coalesce,
+ .set_coalesce = qlcnic_set_intr_coalesce,
+ .set_msglevel = qlcnic_set_msglevel,
+ .get_msglevel = qlcnic_get_msglevel,
+};
@@ -1743,7 +1743,10 @@ qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
qlcnic_change_mtu(netdev, netdev->mtu);
- SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
+ if (qlcnic_sriov_vf_check(adapter))
+ SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
+ else
+ SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
NETIF_F_IPV6_CSUM | NETIF_F_GRO |
@@ -335,7 +335,7 @@ static int qlcnic_sriov_post_bc_msg(struct qlcnic_adapter *adapter, u32 *hdr,
/* 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);
+ __qlcnic_83xx_process_aen(adapter);
mbx_val = QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL);
if (mbx_val)
goto poll;

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