igb: add new data structure for handling interrupts and NAPI
Add a new igb_q_vector data structure to handle interrupts and NAPI. This
helps to abstract the rings away from the adapter struct. In addition it
allows for a bit of consolidation since a tx and rx ring can share a
q_vector.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index dafb25b..f71276f 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -1907,7 +1907,6 @@
struct ethtool_coalesce *ec)
{
struct igb_adapter *adapter = netdev_priv(netdev);
- struct e1000_hw *hw = &adapter->hw;
int i;
if ((ec->rx_coalesce_usecs > IGB_MAX_ITR_USECS) ||
@@ -1925,8 +1924,11 @@
adapter->itr = adapter->itr_setting;
}
- for (i = 0; i < adapter->num_rx_queues; i++)
- wr32(adapter->rx_ring[i].itr_register, adapter->itr);
+ for (i = 0; i < adapter->num_q_vectors; i++) {
+ struct igb_q_vector *q_vector = adapter->q_vector[i];
+ q_vector->itr_val = adapter->itr;
+ q_vector->set_itr = 1;
+ }
return 0;
}