[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH net-next] xen-netfront: convert to GRO API
Anirban was seeing netfront received MTU size packets, which downgraded throughput. The following patch makes netfront use GRO API which improves throughput for that case. Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx> Cc: Anirban Chakraborty <abchak@xxxxxxxxxxx> Cc: Ian Campbell <ian.campbell@xxxxxxxxxx> Acked-by: Konrad Wilk <konrad.wilk@xxxxxxxxxx> --- drivers/net/xen-netfront.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 36808bf..dd1011e 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -952,7 +952,7 @@ static int handle_incoming_queue(struct net_device *dev, u64_stats_update_end(&stats->syncp); /* Pass it up. */ - netif_receive_skb(skb); + napi_gro_receive(&np->napi, skb); } return packets_dropped; @@ -1051,6 +1051,8 @@ err: if (work_done < budget) { int more_to_do = 0; + napi_gro_flush(napi, false); + local_irq_save(flags); RING_FINAL_CHECK_FOR_RESPONSES(&np->rx, more_to_do); -- 1.7.10.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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