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Commit 5e3d3189 authored by David S. Miller's avatar David S. Miller
Browse files

Merge branch 'be2net-next' 



Sathya Perla says:

====================
be2net: patch set

Hi Dave, the following patch set reduces code duplication
in probe/pci-resume/eeh-resume and remove/pci-suspend/eeh-error and UE-error
detect/recovery paths. New helper routines have been introduced for this
purpose. Pls apply this set to the net-next tree. Thanks!

Patch 1 refactors the alloc/free code of adapter struct's fields into
a new set of helper routines -- be_drv_init/cleanup().

Patch 2 gets rid of the be_get_initial_config() routine as be_get_config()
is the place holder for related code.

Patch 3 introduces a new helper routine be_func_init() to execute the
initialization code used in probe/pci-resume/eeh-resume to remove
code duplication.

Patch 4 introduces a wrapper for scheduling/canceling error detection
task on similar lines to the be_worker task.

Patch 5 refactors UE error detection and recovery code on similar lines
to EEH code. Cleaning up resources is done in the error detection routine
followed by error recovery.

Patch 6 gets rid of the lancer_test_and_set_rdy_state() routine as the
same code now available in be_func_init().

Patch 7 creates a new helper routine be_resume() for all the common code
in be_probe(), be_pci_resume() and be_eeh_resume(), to reduce code duplication.

Patch 8 creates a new helper routine be_cleanup() for all the common
cleanup code duplicated in the suspend/EEH err detection paths.

Patch 9 moves be_func_init() inside be_setup() as everytime be_setup()
is called, the driver will have to wait for the function/FW to be be
initialized.
====================

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents b7853d73 f962f840

drivers/net/ethernet/emulex/benet/be.h

+2 −1
Original line number Diff line number Diff line
@@ -376,6 +376,7 @@ enum vf_state { 
#define BE_FLAGS_VXLAN_OFFLOADS			BIT(8)

#define BE_FLAGS_SETUP_DONE			BIT(9)

#define BE_FLAGS_EVT_INCOMPATIBLE_SFP		BIT(10)

#define BE_FLAGS_ERR_DETECTION_SCHEDULED	BIT(11)



#define BE_UC_PMAC_COUNT			30

#define BE_VF_UC_PMAC_COUNT			2
@@ -501,7 +502,7 @@ struct be_adapter { 
	struct delayed_work work;

	u16 work_counter;



	struct delayed_work func_recovery_work;

	struct delayed_work be_err_detection_work;

	u32 flags;

	u32 cmd_privileges;

	/* Ethtool knobs and info */

drivers/net/ethernet/emulex/benet/be_cmds.c

+14 −71
Original line number Diff line number Diff line
@@ -635,73 +635,16 @@ static int lancer_wait_ready(struct be_adapter *adapter) 
	for (i = 0; i < SLIPORT_READY_TIMEOUT; i++) {

		sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET);

		if (sliport_status & SLIPORT_STATUS_RDY_MASK)

			break;



		msleep(1000);

	}



	if (i == SLIPORT_READY_TIMEOUT)

		return sliport_status ? : -1;



			return 0;

}



static bool lancer_provisioning_error(struct be_adapter *adapter)

{

	u32 sliport_status = 0, sliport_err1 = 0, sliport_err2 = 0;



	sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET);

	if (sliport_status & SLIPORT_STATUS_ERR_MASK) {

		sliport_err1 = ioread32(adapter->db + SLIPORT_ERROR1_OFFSET);

		sliport_err2 = ioread32(adapter->db + SLIPORT_ERROR2_OFFSET);



		if (sliport_err1 == SLIPORT_ERROR_NO_RESOURCE1 &&

		    sliport_err2 == SLIPORT_ERROR_NO_RESOURCE2)

			return true;

	}

	return false;

}



int lancer_test_and_set_rdy_state(struct be_adapter *adapter)

{

	int status;

	u32 sliport_status, err, reset_needed;

	bool resource_error;



	resource_error = lancer_provisioning_error(adapter);

	if (resource_error)

		return -EAGAIN;



	status = lancer_wait_ready(adapter);

	if (!status) {

		sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET);

		err = sliport_status & SLIPORT_STATUS_ERR_MASK;

		reset_needed = sliport_status & SLIPORT_STATUS_RN_MASK;

		if (err && reset_needed) {

			iowrite32(SLI_PORT_CONTROL_IP_MASK,

				  adapter->db + SLIPORT_CONTROL_OFFSET);

		if (sliport_status & SLIPORT_STATUS_ERR_MASK &&

		    !(sliport_status & SLIPORT_STATUS_RN_MASK))

			return -EIO;



			/* check if adapter has corrected the error */

			status = lancer_wait_ready(adapter);

			sliport_status = ioread32(adapter->db +

						  SLIPORT_STATUS_OFFSET);

			sliport_status &= (SLIPORT_STATUS_ERR_MASK |

						SLIPORT_STATUS_RN_MASK);

			if (status || sliport_status)

				status = -1;

		} else if (err || reset_needed) {

			status = -1;

		}

		msleep(1000);

	}

	/* Stop error recovery if error is not recoverable.

	 * No resource error is temporary errors and will go away

	 * when PF provisions resources.

	 */

	resource_error = lancer_provisioning_error(adapter);

	if (resource_error)

		status = -EAGAIN;



	return status;

	return sliport_status ? : -1;

}



int be_fw_wait_ready(struct be_adapter *adapter)
@@ -720,6 +663,10 @@ int be_fw_wait_ready(struct be_adapter *adapter) 
	}



	do {

		/* There's no means to poll POST state on BE2/3 VFs */

		if (BEx_chip(adapter) && be_virtfn(adapter))

			return 0;



		stage = be_POST_stage_get(adapter);

		if (stage == POST_STAGE_ARMFW_RDY)

			return 0;
@@ -734,7 +681,7 @@ int be_fw_wait_ready(struct be_adapter *adapter) 


err:

	dev_err(dev, "POST timeout; stage=%#x\n", stage);

	return -1;

	return -ETIMEDOUT;

}



static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
@@ -2126,16 +2073,12 @@ int be_cmd_reset_function(struct be_adapter *adapter) 
	int status;



	if (lancer_chip(adapter)) {

		status = lancer_wait_ready(adapter);

		if (!status) {

		iowrite32(SLI_PORT_CONTROL_IP_MASK,

			  adapter->db + SLIPORT_CONTROL_OFFSET);

			status = lancer_test_and_set_rdy_state(adapter);

		}

		if (status) {

		status = lancer_wait_ready(adapter);

		if (status)

			dev_err(&adapter->pdev->dev,

				"Adapter in non recoverable error\n");

		}

		return status;

	}

drivers/net/ethernet/emulex/benet/be_main.c

+287 −338

File changed.

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