From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1BC36C76186 for ; Wed, 24 Jul 2019 03:21:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ED166229EC for ; Wed, 24 Jul 2019 03:21:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726667AbfGXDVJ (ORCPT ); Tue, 23 Jul 2019 23:21:09 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:50726 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726492AbfGXDVF (ORCPT ); Tue, 23 Jul 2019 23:21:05 -0400 Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 99F5DAC77036F7CB971C; Wed, 24 Jul 2019 11:20:52 +0800 (CST) Received: from localhost.localdomain (10.67.212.132) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.439.0; Wed, 24 Jul 2019 11:20:44 +0800 From: Huazhong Tan To: CC: , , , , , Yunsheng Lin , Huazhong Tan Subject: [PATCH net-next 09/11] net: hns3: make hclge_service use delayed workqueue Date: Wed, 24 Jul 2019 11:18:45 +0800 Message-ID: <1563938327-9865-10-git-send-email-tanhuazhong@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1563938327-9865-1-git-send-email-tanhuazhong@huawei.com> References: <1563938327-9865-1-git-send-email-tanhuazhong@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.212.132] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yunsheng Lin Use delayed work instead of using timers to trigger the hclge_serive. Simplify the code with one less middle function and in order to support misc irq affinity. Signed-off-by: Yunsheng Lin Reviewed-by: Peng Li Signed-off-by: Huazhong Tan --- .../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 60 ++++++++-------------- .../ethernet/hisilicon/hns3/hns3pf/hclge_main.h | 3 +- 2 files changed, 22 insertions(+), 41 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index fe45986..45acbc9 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -2524,9 +2524,13 @@ static void hclge_task_schedule(struct hclge_dev *hdev) { if (!test_bit(HCLGE_STATE_DOWN, &hdev->state) && !test_bit(HCLGE_STATE_REMOVING, &hdev->state) && - !test_and_set_bit(HCLGE_STATE_SERVICE_SCHED, &hdev->state)) - queue_work_on(cpumask_first(&hdev->affinity_mask), system_wq, - &hdev->service_task); + !test_and_set_bit(HCLGE_STATE_SERVICE_SCHED, &hdev->state)) { + hdev->hw_stats.stats_timer++; + hdev->fd_arfs_expire_timer++; + mod_delayed_work_on(cpumask_first(&hdev->affinity_mask), + system_wq, &hdev->service_task, + round_jiffies_relative(HZ)); + } } static int hclge_get_mac_link_status(struct hclge_dev *hdev) @@ -2741,25 +2745,6 @@ static int hclge_get_status(struct hnae3_handle *handle) return hdev->hw.mac.link; } -static void hclge_service_timer(struct timer_list *t) -{ - struct hclge_dev *hdev = from_timer(hdev, t, service_timer); - - mod_timer(&hdev->service_timer, jiffies + HZ); - hdev->hw_stats.stats_timer++; - hdev->fd_arfs_expire_timer++; - hclge_task_schedule(hdev); -} - -static void hclge_service_complete(struct hclge_dev *hdev) -{ - WARN_ON(!test_bit(HCLGE_STATE_SERVICE_SCHED, &hdev->state)); - - /* Flush memory before next watchdog */ - smp_mb__before_atomic(); - clear_bit(HCLGE_STATE_SERVICE_SCHED, &hdev->state); -} - static u32 hclge_check_event_cause(struct hclge_dev *hdev, u32 *clearval) { u32 rst_src_reg, cmdq_src_reg, msix_src_reg; @@ -2937,9 +2922,6 @@ static void hclge_irq_affinity_notify(struct irq_affinity_notify *notify, affinity_notify); cpumask_copy(&hdev->affinity_mask, mask); - del_timer_sync(&hdev->service_timer); - hdev->service_timer.expires = jiffies + HZ; - add_timer_on(&hdev->service_timer, cpumask_first(&hdev->affinity_mask)); } static void hclge_irq_affinity_release(struct kref *ref) @@ -3639,7 +3621,9 @@ static void hclge_update_vport_alive(struct hclge_dev *hdev) static void hclge_service_task(struct work_struct *work) { struct hclge_dev *hdev = - container_of(work, struct hclge_dev, service_task); + container_of(work, struct hclge_dev, service_task.work); + + clear_bit(HCLGE_STATE_SERVICE_SCHED, &hdev->state); if (hdev->hw_stats.stats_timer >= HCLGE_STATS_TIMER_INTERVAL) { hclge_update_stats_for_all(hdev); @@ -3654,7 +3638,8 @@ static void hclge_service_task(struct work_struct *work) hclge_rfs_filter_expire(hdev); hdev->fd_arfs_expire_timer = 0; } - hclge_service_complete(hdev); + + hclge_task_schedule(hdev); } struct hclge_vport *hclge_get_vport(struct hnae3_handle *handle) @@ -6193,13 +6178,13 @@ static void hclge_set_timer_task(struct hnae3_handle *handle, bool enable) struct hclge_dev *hdev = vport->back; if (enable) { - del_timer_sync(&hdev->service_timer); - hdev->service_timer.expires = jiffies + HZ; - add_timer_on(&hdev->service_timer, - cpumask_first(&hdev->affinity_mask)); + hclge_task_schedule(hdev); } else { - del_timer_sync(&hdev->service_timer); - cancel_work_sync(&hdev->service_task); + /* Set the DOWN flag here to disable the service to be + * scheduled again + */ + set_bit(HCLGE_STATE_DOWN, &hdev->state); + cancel_delayed_work_sync(&hdev->service_task); clear_bit(HCLGE_STATE_SERVICE_SCHED, &hdev->state); } } @@ -8638,12 +8623,10 @@ static void hclge_state_uninit(struct hclge_dev *hdev) set_bit(HCLGE_STATE_DOWN, &hdev->state); set_bit(HCLGE_STATE_REMOVING, &hdev->state); - if (hdev->service_timer.function) - del_timer_sync(&hdev->service_timer); if (hdev->reset_timer.function) del_timer_sync(&hdev->reset_timer); - if (hdev->service_task.func) - cancel_work_sync(&hdev->service_task); + if (hdev->service_task.work.func) + cancel_delayed_work_sync(&hdev->service_task); if (hdev->rst_service_task.func) cancel_work_sync(&hdev->rst_service_task); if (hdev->mbx_service_task.func) @@ -8848,9 +8831,8 @@ static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev) hclge_dcb_ops_set(hdev); - timer_setup(&hdev->service_timer, hclge_service_timer, 0); timer_setup(&hdev->reset_timer, hclge_reset_timer, 0); - INIT_WORK(&hdev->service_task, hclge_service_task); + INIT_DELAYED_WORK(&hdev->service_task, hclge_service_task); INIT_WORK(&hdev->rst_service_task, hclge_reset_service_task); INIT_WORK(&hdev->mbx_service_task, hclge_mailbox_service_task); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h index 14df23c..688e425 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h @@ -806,9 +806,8 @@ struct hclge_dev { u16 adminq_work_limit; /* Num of admin receive queue desc to process */ unsigned long service_timer_period; unsigned long service_timer_previous; - struct timer_list service_timer; struct timer_list reset_timer; - struct work_struct service_task; + struct delayed_work service_task; struct work_struct rst_service_task; struct work_struct mbx_service_task; -- 2.7.4