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Commit 73f394e6 authored by Sathya Perla's avatar Sathya Perla Committed by David S. Miller
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be2net: setup xps queue mapping 



This patch sets up xps queue mapping on load, so that TX traffic is
steered to the queue whose irqs are being processed by the current cpu.
This helps in avoiding TX lock contention.

Signed-off-by: default avatarSathya Perla <sathya.perla@emulex.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d658d98a

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

+7 −3
Original line number Diff line number Diff line
@@ -2454,8 +2454,9 @@ static void be_tx_queues_destroy(struct be_adapter *adapter) 


static int be_tx_qs_create(struct be_adapter *adapter)

{

	struct be_queue_info *cq, *eq;

	struct be_queue_info *cq;

	struct be_tx_obj *txo;

	struct be_eq_obj *eqo;

	int status, i;



	adapter->num_tx_qs = min(adapter->num_evt_qs, be_max_txqs(adapter));
@@ -2473,8 +2474,8 @@ static int be_tx_qs_create(struct be_adapter *adapter) 
		/* If num_evt_qs is less than num_tx_qs, then more than

		 * one txq share an eq

		 */

		eq = &adapter->eq_obj[i % adapter->num_evt_qs].q;

		status = be_cmd_cq_create(adapter, cq, eq, false, 3);

		eqo = &adapter->eq_obj[i % adapter->num_evt_qs];

		status = be_cmd_cq_create(adapter, cq, &eqo->q, false, 3);

		if (status)

			return status;
@@ -2486,6 +2487,9 @@ static int be_tx_qs_create(struct be_adapter *adapter) 
		status = be_cmd_txq_create(adapter, txo);

		if (status)

			return status;



		netif_set_xps_queue(adapter->netdev, eqo->affinity_mask,

				    eqo->idx);

	}



	dev_info(&adapter->pdev->dev, "created %d TX queue(s)\n",