From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jitendra Kalsaria Subject: [PATCH net-next 2/9] qlge: Cleanup atomic queue threshold check. Date: Tue, 10 Jul 2012 20:57:32 -0400 Message-ID: <1341968259-18931-3-git-send-email-jitendra.kalsaria@qlogic.com> References: <1341968259-18931-1-git-send-email-jitendra.kalsaria@qlogic.com> Cc: netdev@vger.kernel.org, ron.mercer@qlogic.com, Dept_NX_Linux_NIC_Driver@qlogic.com, Jitendra Kalsaria To: davem@davemloft.net Return-path: Received: from mvnat01.qlogic.com ([198.186.3.73]:25473 "HELO linux-zupk.site" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S1753482Ab2GKBOi (ORCPT ); Tue, 10 Jul 2012 21:14:38 -0400 In-Reply-To: <1341968259-18931-1-git-send-email-jitendra.kalsaria@qlogic.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Jitendra Kalsaria Signed-off-by: Jitendra Kalsaria --- drivers/net/ethernet/qlogic/qlge/qlge.h | 1 - drivers/net/ethernet/qlogic/qlge/qlge_main.c | 5 +---- 2 files changed, 1 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qlge/qlge.h b/drivers/net/ethernet/qlogic/qlge/qlge.h index 5a639df..6e7050c 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge.h +++ b/drivers/net/ethernet/qlogic/qlge/qlge.h @@ -1397,7 +1397,6 @@ struct tx_ring { struct tx_ring_desc *q; /* descriptor list for the queue */ spinlock_t lock; atomic_t tx_count; /* counts down for every outstanding IO */ - atomic_t queue_stopped; /* Turns queue off when full. */ struct delayed_work tx_work; struct ql_adapter *qdev; u64 tx_packets; diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index ce2d37f..ee3457e 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -2173,8 +2173,7 @@ static int ql_clean_outbound_rx_ring(struct rx_ring *rx_ring) ql_write_cq_idx(rx_ring); tx_ring = &qdev->tx_ring[net_rsp->txq_idx]; if (__netif_subqueue_stopped(qdev->ndev, tx_ring->wq_id)) { - if (atomic_read(&tx_ring->queue_stopped) && - (atomic_read(&tx_ring->tx_count) > (tx_ring->wq_len / 4))) + if ((atomic_read(&tx_ring->tx_count) > (tx_ring->wq_len / 4))) /* * The queue got stopped because the tx_ring was full. * Wake it up, because it's now at least 25% empty. @@ -2561,7 +2560,6 @@ static netdev_tx_t qlge_send(struct sk_buff *skb, struct net_device *ndev) "%s: BUG! shutting down tx queue %d due to lack of resources.\n", __func__, tx_ring_idx); netif_stop_subqueue(ndev, tx_ring->wq_id); - atomic_inc(&tx_ring->queue_stopped); tx_ring->tx_errors++; return NETDEV_TX_BUSY; } @@ -2690,7 +2688,6 @@ static void ql_init_tx_ring(struct ql_adapter *qdev, struct tx_ring *tx_ring) tx_ring_desc++; } atomic_set(&tx_ring->tx_count, tx_ring->wq_len); - atomic_set(&tx_ring->queue_stopped, 0); } static void ql_free_tx_resources(struct ql_adapter *qdev, -- 1.7.1