[PATCH] ixgbevf: Fix handling of napi budget when multiple queues are enabled per vector

[PATCH] ixgbevf: Fix handling of napi budget when multiple queues are enabled per vector

[William Dauchy]

This is the same patch as for ixgbe but applied differently according to
busy polling.
see commit "ixgbe: Fix handling of napi budget when multiple queues are
 enabled per vector"

Signed-off-by: William Dauchy <william@gandi.net>
---
 drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 149a0b4..ff6e21d 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -1014,6 +1014,8 @@ static int ixgbevf_poll(struct napi_struct *napi, int budget)
 	ixgbevf_for_each_ring(ring, q_vector->tx)
 		clean_complete &= ixgbevf_clean_tx_irq(q_vector, ring);
 
+	if (budget <= 0)
+		return budget;
 #ifdef CONFIG_NET_RX_BUSY_POLL
 	if (!ixgbevf_qv_lock_napi(q_vector))
 		return budget;
-- 
2.6.1

RE: [Intel-wired-lan] [PATCH] ixgbevf: Fix handling of napi budget when multiple queues are enabled per vector

[Schmitt, Phillip J]

> -----Original Message-----
> From: Intel-wired-lan [mailto:intel-wired-lan-bounces@lists.osuosl.org] On
> Behalf Of William Dauchy
> Sent: Friday, October 30, 2015 10:16 AM
> To: davem@davemloft.net
> Cc: William Dauchy; netdev@vger.kernel.org; aduyck@mirantis.com; intel-
> wired-lan@lists.osuosl.org
> Subject: [Intel-wired-lan] [PATCH] ixgbevf: Fix handling of napi budget when
> multiple queues are enabled per vector
> 
> This is the same patch as for ixgbe but applied differently according to busy
> polling.
> see commit "ixgbe: Fix handling of napi budget when multiple queues are
> enabled per vector"
> 
> Signed-off-by: William Dauchy <william@gandi.net>

Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>