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authorIntiyaz Basha <intiyaz.basha@cavium.com>2017-08-15 12:46:05 -0700
committerDavid S. Miller <davem@davemloft.net>2017-08-15 21:05:31 -0700
commit1ff392689f2eee806fad57977488181130c05830 (patch)
tree5471acd3f403a913cb62729d64f626ffc1beb67b /drivers/net/ethernet/cavium/liquidio/lio_core.c
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff)
downloadlinux-dev-1ff392689f2eee806fad57977488181130c05830.tar.xz
linux-dev-1ff392689f2eee806fad57977488181130c05830.zip
liquidio: moved liquidio_msix_intr_handler to lio_core.c
Moving common liquidio_msix_intr_handler to lio_core.c Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio/lio_core.c')
-rw-r--r--drivers/net/ethernet/cavium/liquidio/lio_core.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_core.c b/drivers/net/ethernet/cavium/liquidio/lio_core.c
index d20d0eb45048..03746d8f2778 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_core.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_core.c
@@ -788,3 +788,44 @@ int liquidio_setup_io_queues(struct octeon_device *octeon_dev, int ifidx)
return 0;
}
+
+static
+int liquidio_schedule_msix_droq_pkt_handler(struct octeon_droq *droq, u64 ret)
+{
+ struct octeon_device *oct = droq->oct_dev;
+ struct octeon_device_priv *oct_priv =
+ (struct octeon_device_priv *)oct->priv;
+
+ if (droq->ops.poll_mode) {
+ droq->ops.napi_fn(droq);
+ } else {
+ if (ret & MSIX_PO_INT) {
+ if (OCTEON_CN23XX_VF(oct))
+ dev_err(&oct->pci_dev->dev,
+ "should not come here should not get rx when poll mode = 0 for vf\n");
+ tasklet_schedule(&oct_priv->droq_tasklet);
+ return 1;
+ }
+ /* this will be flushed periodically by check iq db */
+ if (ret & MSIX_PI_INT)
+ return 0;
+ }
+
+ return 0;
+}
+
+irqreturn_t
+liquidio_msix_intr_handler(int irq __attribute__((unused)), void *dev)
+{
+ struct octeon_ioq_vector *ioq_vector = (struct octeon_ioq_vector *)dev;
+ struct octeon_device *oct = ioq_vector->oct_dev;
+ struct octeon_droq *droq = oct->droq[ioq_vector->droq_index];
+ u64 ret;
+
+ ret = oct->fn_list.msix_interrupt_handler(ioq_vector);
+
+ if (ret & MSIX_PO_INT || ret & MSIX_PI_INT)
+ liquidio_schedule_msix_droq_pkt_handler(droq, ret);
+
+ return IRQ_HANDLED;
+}