net: netcp: allocate buffers to desc before re-enable interrupt

Currently netcp_rxpool_refill() that refill descriptors and attached
buffers to fdq while interrupt is enabled as part of NAPI poll. Doing
it while interrupt is disabled could be beneficial as hardware will
not be starved when CPU is busy with processing interrupt.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c
index d39dce3b37a782418324b52048c8720b503fcafc..8026daaf940b506678b03a8568d50c8b86862886 100644 (file)
--- a/drivers/net/ethernet/ti/netcp_core.c
+++ b/drivers/net/ethernet/ti/netcp_core.c
@@ -904,12 +904,12 @@ static int netcp_rx_poll(struct napi_struct *napi, int budget)
 
        packets = netcp_process_rx_packets(netcp, budget);
 
+       netcp_rxpool_refill(netcp);
        if (packets < budget) {
                napi_complete(&netcp->rx_napi);
                knav_queue_enable_notify(netcp->rx_queue);
        }
 
-       netcp_rxpool_refill(netcp);
        return packets;
 }