From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sathya Perla Subject: [PATCH net-next 2/3] be2net: setup xps queue mapping Date: Thu, 26 Mar 2015 03:05:09 -0400 Message-ID: <1427353510-24790-3-git-send-email-sathya.perla@emulex.com> References: <1427353510-24790-1-git-send-email-sathya.perla@emulex.com> Mime-Version: 1.0 Content-Type: text/plain To: Return-path: Received: from cmexedge1.emulex.com ([138.239.224.99]:33044 "EHLO CMEXEDGE1.ext.emulex.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750881AbbCZHBI (ORCPT ); Thu, 26 Mar 2015 03:01:08 -0400 In-Reply-To: <1427353510-24790-1-git-send-email-sathya.perla@emulex.com> Sender: netdev-owner@vger.kernel.org List-ID: 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: Sathya Perla --- drivers/net/ethernet/emulex/benet/be_main.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 3541207..5ff7fba 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -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", -- 2.2.0