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authorManish chopra <manish.chopra@qlogic.com>2014-01-23 23:18:31 +0100
committerDavid S. Miller <davem@davemloft.net>2014-01-24 01:13:09 +0100
commit2b018ad9fe26de71c56c9cfdec164cdf89cb6a1a (patch)
tree5f6c5e06cec3c5765a3ea5188278195856df56ee /drivers/net
parentqlcnic: Interrupt code cleanup (diff)
downloadlinux-2b018ad9fe26de71c56c9cfdec164cdf89cb6a1a.tar.xz
linux-2b018ad9fe26de71c56c9cfdec164cdf89cb6a1a.zip
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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c34
1 files changed, 28 insertions, 6 deletions
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index b9c1e37a1a20..0cfa8a3344ac 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -2925,17 +2925,39 @@ static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
#ifdef CONFIG_NET_POLL_CONTROLLER
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_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++) {
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