Commit 7ed3ce48 authored by Rajesh Borundia's avatar Rajesh Borundia Committed by David S. Miller
Browse files

qlcnic: Support polling for mailbox events. 



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

Signed-off-by: default avatarRajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d1a1105e

drivers/net/ethernet/qlogic/qlcnic/qlcnic.h

+2 −0
Original line number Diff line number Diff line
@@ -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;

drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c

+29 −0
Original line number Diff line number Diff line
@@ -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;

drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h

+2 −0
Original line number Diff line number Diff line
@@ -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

drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c

+4 −1
Original line number Diff line number Diff line
@@ -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");

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