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qlcnic: Update poll controller code path 

Add support for MSI/MSI-X mode in poll controller routine.

Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Manish chopra 2014-01-23 17:18:31 -05:00 committed by David S. Miller
parent 2cc5752e49
commit 2b018ad9fe
1 changed files with 28 additions and 6 deletions
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34
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
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@ -2925,17 +2925,39 @@ static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
#ifdef CONFIG_NET_POLL_CONTROLLER #ifdef CONFIG_NET_POLL_CONTROLLER
static void qlcnic_poll_controller(struct net_device *netdev) static void qlcnic_poll_controller(struct net_device *netdev)
{ {
int ring;
struct qlcnic_host_sds_ring *sds_ring;
struct qlcnic_adapter *adapter = netdev_priv(netdev); struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; struct qlcnic_host_sds_ring *sds_ring;
struct qlcnic_recv_context *recv_ctx;
struct qlcnic_host_tx_ring *tx_ring;
int ring;
if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
return;
recv_ctx = adapter->recv_ctx;
disable_irq(adapter->irq);
for (ring = 0; ring < adapter->drv_sds_rings; ring++) { for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
sds_ring = &recv_ctx->sds_rings[ring]; sds_ring = &recv_ctx->sds_rings[ring];
qlcnic_intr(adapter->irq, sds_ring); qlcnic_disable_sds_intr(adapter, sds_ring);
napi_schedule(&sds_ring->napi);
}
if (adapter->flags & QLCNIC_MSIX_ENABLED) {
/* Only Multi-Tx queue capable devices need to
* schedule NAPI for TX rings
*/
if ((qlcnic_83xx_check(adapter) &&
(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
(qlcnic_82xx_check(adapter) &&
!qlcnic_check_multi_tx(adapter)))
return;
for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
tx_ring = &adapter->tx_ring[ring];
qlcnic_disable_tx_intr(adapter, tx_ring);
napi_schedule(&tx_ring->napi);
}
} }
enable_irq(adapter->irq);
} }
#endif #endif