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qlcnic: Support polling for mailbox events.

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o When mailbox interrupt is disabled PF should be
  able to process request from VF. Enable polling
  for such cases.

Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rajesh Borundia 2013-04-19 07:01:14 +00:00 committed by David S. Miller
parent d1a1105efd
commit 7ed3ce4800
4 changed files with 37 additions and 1 deletions
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2
drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
View File

@ -919,6 +919,7 @@ struct qlcnic_ipaddr {
#define __QLCNIC_ELB_INPROGRESS 8
#define __QLCNIC_SRIOV_ENABLE 10
#define __QLCNIC_SRIOV_CAPABLE 11
#define __QLCNIC_MBX_POLL_ENABLE 12
#define QLCNIC_INTERRUPT_TEST 1
#define QLCNIC_LOOPBACK_TEST 2
@ -1012,6 +1013,7 @@ struct qlcnic_adapter {
struct workqueue_struct *qlcnic_wq;
struct delayed_work fw_work;
struct delayed_work idc_aen_work;
struct delayed_work mbx_poll_work;
struct qlcnic_filter_hash fhash;
struct qlcnic_filter_hash rx_fhash;

29
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
View File

@ -926,6 +926,35 @@ static void qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter)
spin_unlock_irqrestore(&ahw->mbx_lock, flags);
}
static void qlcnic_83xx_mbx_poll_work(struct work_struct *work)
{
struct qlcnic_adapter *adapter;
adapter = container_of(work, struct qlcnic_adapter, mbx_poll_work.work);
if (!test_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state))
return;
qlcnic_83xx_process_aen(adapter);
queue_delayed_work(adapter->qlcnic_wq, &adapter->mbx_poll_work,
(HZ / 10));
}
void qlcnic_83xx_enable_mbx_poll(struct qlcnic_adapter *adapter)
{
if (test_and_set_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state))
return;
INIT_DELAYED_WORK(&adapter->mbx_poll_work, qlcnic_83xx_mbx_poll_work);
}
void qlcnic_83xx_disable_mbx_poll(struct qlcnic_adapter *adapter)
{
if (!test_and_clear_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state))
return;
cancel_delayed_work_sync(&adapter->mbx_poll_work);
}
static int qlcnic_83xx_add_rings(struct qlcnic_adapter *adapter)
{
int index, i, err, sds_mbx_size;

2
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
View File

@ -621,4 +621,6 @@ 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 *);
void qlcnic_83xx_enable_mbx_poll(struct qlcnic_adapter *);
void qlcnic_83xx_disable_mbx_poll(struct qlcnic_adapter *);
#endif

5
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
View File

@ -3306,8 +3306,10 @@ int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
qlcnic_detach(adapter);
if (qlcnic_83xx_check(adapter))
if (qlcnic_83xx_check(adapter)) {
qlcnic_83xx_free_mbx_intr(adapter);
qlcnic_83xx_enable_mbx_poll(adapter);
}
qlcnic_teardown_intr(adapter);
err = qlcnic_setup_intr(adapter, data);
@ -3321,6 +3323,7 @@ int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
/* register for NIC IDC AEN Events */
qlcnic_83xx_register_nic_idc_func(adapter, 1);
err = qlcnic_83xx_setup_mbx_intr(adapter);
qlcnic_83xx_disable_mbx_poll(adapter);
if (err) {
dev_err(&adapter->pdev->dev,
"failed to setup mbx interrupt\n");