[PATCH] e100: NAPI performance enhancements
NAPI performance enhancements - Fixed issues with shared interrupts and NAPI resulting in bad performance.
Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Signed-off-by: Ganesh Venkatesan <ganesh.venkatesan@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 8c7e2d1..1e56c8e 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -1671,8 +1671,10 @@
if(stat_ack & stat_ack_rnr)
nic->ru_running = RU_SUSPENDED;
- e100_disable_irq(nic);
- netif_rx_schedule(netdev);
+ if(likely(netif_rx_schedule_prep(netdev))) {
+ e100_disable_irq(nic);
+ __netif_rx_schedule(netdev);
+ }
return IRQ_HANDLED;
}