From owner-svn-src-all@freebsd.org Thu May 16 15:52:19 2019 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5B6DA159B379; Thu, 16 May 2019 15:52:19 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 0073C85721; Thu, 16 May 2019 15:52:19 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id CF37922F1C; Thu, 16 May 2019 15:52:18 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x4GFqIOs050987; Thu, 16 May 2019 15:52:18 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x4GFqI0i050986; Thu, 16 May 2019 15:52:18 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201905161552.x4GFqI0i050986@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Thu, 16 May 2019 15:52:18 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r347725 - stable/12/sys/dev/mlx5/mlx5_en X-SVN-Group: stable-12 X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: stable/12/sys/dev/mlx5/mlx5_en X-SVN-Commit-Revision: 347725 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 0073C85721 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.97 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.998,0]; NEURAL_HAM_SHORT(-0.97)[-0.969,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 May 2019 15:52:19 -0000 Author: hselasky Date: Thu May 16 15:52:18 2019 New Revision: 347725 URL: https://svnweb.freebsd.org/changeset/base/347725 Log: MFC r347261: Implement fast close of RX channel in mlx5en(4). Instead of waiting for all jobs to be cancelled, simply close the completion queue to prevent more completion events and let mlx5e_destroy_rq() cleanup the remaining mbufs. Sponsored by: Mellanox Technologies Modified: stable/12/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/dev/mlx5/mlx5_en/mlx5_en_main.c ============================================================================== --- stable/12/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Thu May 16 15:51:28 2019 (r347724) +++ stable/12/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Thu May 16 15:52:18 2019 (r347725) @@ -1136,17 +1136,10 @@ mlx5e_close_rq(struct mlx5e_rq *rq) static void mlx5e_close_rq_wait(struct mlx5e_rq *rq) { - struct mlx5_core_dev *mdev = rq->channel->priv->mdev; - /* wait till RQ is empty */ - while (!mlx5_wq_ll_is_empty(&rq->wq) && - (mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR)) { - msleep(4); - rq->cq.mcq.comp(&rq->cq.mcq); - } - - cancel_work_sync(&rq->dim.work); mlx5e_disable_rq(rq); + mlx5e_close_cq(&rq->cq); + cancel_work_sync(&rq->dim.work); mlx5e_destroy_rq(rq); } @@ -1861,7 +1854,6 @@ mlx5e_close_channel_wait(struct mlx5e_channel *c) { mlx5e_close_rq_wait(&c->rq); mlx5e_close_sqs_wait(c); - mlx5e_close_cq(&c->rq.cq); mlx5e_close_tx_cqs(c); /* destroy mutexes */ mlx5e_chan_mtx_destroy(c);