Plug-in the threadable irq infrastructure to allow run-time
configuration of rx irqs, when msix irqs are used.
Signed-off-by: Paolo Abeni <pab...@redhat.com>
Signed-off-by: Hannes Frederic Sowa <han...@stressinduktion.org>
---
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 088c47c..d9a591c 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -2890,6 +2890,14 @@ int ixgbe_poll(struct napi_struct *napi, int budget)
return 0;
}
+static void ixgbe_irq_mode_notifier(int irq, void *data,
+ struct task_struct *irq_thread)
+{
+ struct ixgbe_q_vector *q_vector = (struct ixgbe_q_vector *)data;
+
+ q_vector->napi.thread = irq_thread;
+}
+
/**
* ixgbe_request_msix_irqs - Initialize MSI-X interrupts
* @adapter: board private structure
@@ -2921,8 +2929,12 @@ static int ixgbe_request_msix_irqs(struct ixgbe_adapter
*adapter)
/* skip this unused q_vector */
continue;
}
- err = request_irq(entry->vector, &ixgbe_msix_clean_rings, 0,
+ err = request_irq(entry->vector, &ixgbe_msix_clean_rings,
+ IRQF_TH_NO_AFFINITY | IRQF_TH_SCHED_NORMAL,
q_vector->name, q_vector);
+ if (!err)
+ err = irq_set_mode_notifier(entry->vector, q_vector,
+ ixgbe_irq_mode_notifier);
if (err) {
e_err(probe, "request_irq failed for MSIX interrupt "
"Error: %d\n", err);
--
1.8.3.1
