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Commit e9008ee9 authored by Padmanabh Ratnakar's avatar Padmanabh Ratnakar Committed by David S. Miller
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be2net: Fix non utilization of RX queues 



When non power of two MSIX vectors are given to driver, some RX queues
are not utilized. Program RSS table in such a way that all queues
are utilized.

Signed-off-by: default avatarPadmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 65f8584e

drivers/net/ethernet/emulex/benet/be_main.c

+10 −6
Original line number Original line Diff line number Diff line
@@ -2312,8 +2312,8 @@ static int be_close(struct net_device *netdev) 
static int be_rx_queues_setup(struct be_adapter *adapter)

static int be_rx_queues_setup(struct be_adapter *adapter)

{

{

	struct be_rx_obj *rxo;

	struct be_rx_obj *rxo;

	int rc, i;

	int rc, i, j;

	u8 rsstable[MAX_RSS_QS];

	u8 rsstable[128];





	for_all_rx_queues(adapter, rxo, i) {

	for_all_rx_queues(adapter, rxo, i) {

		rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id,

		rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id,
@@ -2325,11 +2325,15 @@ static int be_rx_queues_setup(struct be_adapter *adapter) 
	}

	}





	if (be_multi_rxq(adapter)) {

	if (be_multi_rxq(adapter)) {

		for_all_rss_queues(adapter, rxo, i)

		for (j = 0; j < 128; j += adapter->num_rx_qs - 1) {

			rsstable[i] = rxo->rss_id;

			for_all_rss_queues(adapter, rxo, i) {

				if ((j + i) >= 128)

					break;

				rsstable[j + i] = rxo->rss_id;

			}

		}

		rc = be_cmd_rss_config(adapter, rsstable, 128);





		rc = be_cmd_rss_config(adapter, rsstable,

			adapter->num_rx_qs - 1);

		if (rc)

		if (rc)

			return rc;

			return rc;

	}

	}