Hi Alexander, On Tue, Sep 22, 2015 at 11:35 PM, Alexander Duyck <adu...@mirantis.com> wrote: > This patch corrects an issue in which the polling routine would increase > the budget for Rx to at least 1 per queue if multiple queues were present. > This would result in Rx packets being processed when the budget was 0 which > is meant to indicate that no Rx can be handled.
We may logically have the same issue with VF, right? >From 4521374ae746543a925982d59a8ba73b6aaee59c Mon Sep 17 00:00:00 2001 From: William Dauchy <will...@gandi.net> Date: Fri, 30 Oct 2015 15:48:43 +0100 Subject: [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 Signed-off-by: William Dauchy <will...@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; -- William -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
