igb: force all queues to interrupt once every 2 seconds
Set the EICS bit for each of the RX queues at least once every 2 seconds to
prevent the rx queues from stalling.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 8f66e15..465a810 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -2290,7 +2290,9 @@
struct igb_ring *tx_ring = adapter->tx_ring;
struct e1000_mac_info *mac = &adapter->hw.mac;
u32 link;
+ u32 eics = 0;
s32 ret_val;
+ int i;
if ((netif_carrier_ok(netdev)) &&
(rd32(E1000_STATUS) & E1000_STATUS_LU))
@@ -2392,7 +2394,13 @@
}
/* Cause software interrupt to ensure rx ring is cleaned */
- wr32(E1000_ICS, E1000_ICS_RXDMT0);
+ if (adapter->msix_entries) {
+ for (i = 0; i < adapter->num_rx_queues; i++)
+ eics |= adapter->rx_ring[i].eims_value;
+ wr32(E1000_EICS, eics);
+ } else {
+ wr32(E1000_ICS, E1000_ICS_RXDMT0);
+ }
/* Force detection of hung controller every watchdog period */
tx_ring->detect_tx_hung = true;