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Commit b628bde2 authored by Sathya Perla's avatar Sathya Perla Committed by David S. Miller
Browse files

be2net: refactor be_msix_(un)register() code. 



Signed-off-by: default avatarSathya Perla <sathyap@serverengines.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a65027e4

drivers/net/benet/be_main.c

+37 −21
Original line number Diff line number Diff line
@@ -1303,6 +1303,12 @@ static int be_rx_queues_create(struct be_adapter *adapter) 
	return rc;

}



/* There are 8 evt ids per func. Retruns the evt id's bit number */

static inline int be_evt_bit_get(struct be_adapter *adapter, u32 eq_id)

{

	return eq_id - 8 * be_pci_func(adapter);

}



static irqreturn_t be_intx(int irq, void *dev)

{

	struct be_adapter *adapter = dev;
@@ -1476,31 +1482,44 @@ static void be_msix_enable(struct be_adapter *adapter) 


static inline int be_msix_vec_get(struct be_adapter *adapter, u32 eq_id)

{

	return adapter->msix_entries[eq_id - 8 * be_pci_func(adapter)].vector;

	return adapter->msix_entries[

			be_evt_bit_get(adapter, eq_id)].vector;

}



static int be_msix_register(struct be_adapter *adapter)

static int be_request_irq(struct be_adapter *adapter,

		struct be_eq_obj *eq_obj,

		void *handler, char *desc)

{

	struct net_device *netdev = adapter->netdev;

	struct be_eq_obj *tx_eq = &adapter->tx_eq;

	struct be_eq_obj *rx_eq = &adapter->rx_eq;

	int status, vec;

	int vec;



	sprintf(tx_eq->desc, "%s-tx", netdev->name);

	vec = be_msix_vec_get(adapter, tx_eq->q.id);

	status = request_irq(vec, be_msix_tx_mcc, 0, tx_eq->desc, adapter);

	if (status)

		goto err;

	sprintf(eq_obj->desc, "%s-%s", netdev->name, desc);

	vec = be_msix_vec_get(adapter, eq_obj->q.id);

	return request_irq(vec, handler, 0, eq_obj->desc, adapter);

}



	sprintf(rx_eq->desc, "%s-rx", netdev->name);

	vec = be_msix_vec_get(adapter, rx_eq->q.id);

	status = request_irq(vec, be_msix_rx, 0, rx_eq->desc, adapter);

	if (status) { /* Free TX IRQ */

		vec = be_msix_vec_get(adapter, tx_eq->q.id);

static void be_free_irq(struct be_adapter *adapter, struct be_eq_obj *eq_obj)

{

	int vec = be_msix_vec_get(adapter, eq_obj->q.id);

	free_irq(vec, adapter);

		goto err;

}



static int be_msix_register(struct be_adapter *adapter)

{

	int status;



	status = be_request_irq(adapter, &adapter->tx_eq, be_msix_tx_mcc, "tx");

	if (status)

		goto err;



	status = be_request_irq(adapter, &adapter->rx_eq, be_msix_rx, "rx");

	if (status)

		goto free_tx_irq;



	return 0;



free_tx_irq:

	be_free_irq(adapter, &adapter->tx_eq);

err:

	dev_warn(&adapter->pdev->dev,

		"MSIX Request IRQ failed - err %d\n", status);
@@ -1537,7 +1556,6 @@ static int be_irq_register(struct be_adapter *adapter) 
static void be_irq_unregister(struct be_adapter *adapter)

{

	struct net_device *netdev = adapter->netdev;

	int vec;



	if (!adapter->isr_registered)

		return;
@@ -1549,10 +1567,8 @@ static void be_irq_unregister(struct be_adapter *adapter) 
	}



	/* MSIx */

	vec = be_msix_vec_get(adapter, adapter->tx_eq.q.id);

	free_irq(vec, adapter);

	vec = be_msix_vec_get(adapter, adapter->rx_eq.q.id);

	free_irq(vec, adapter);

	be_free_irq(adapter, &adapter->tx_eq);

	be_free_irq(adapter, &adapter->rx_eq);

done:

	adapter->isr_registered = false;

	return;