From owner-svn-src-all@freebsd.org Fri Nov 23 07:51:00 2018 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 3D6EF113E1D1; Fri, 23 Nov 2018 07:51:00 +0000 (UTC) (envelope-from arybchik@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C73277AFF0; Fri, 23 Nov 2018 07:50:59 +0000 (UTC) (envelope-from arybchik@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 496031BA47; Fri, 23 Nov 2018 07:50:57 +0000 (UTC) (envelope-from arybchik@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id wAN7ovef054623; Fri, 23 Nov 2018 07:50:57 GMT (envelope-from arybchik@FreeBSD.org) Received: (from arybchik@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id wAN7ouc7054620; Fri, 23 Nov 2018 07:50:56 GMT (envelope-from arybchik@FreeBSD.org) Message-Id: <201811230750.wAN7ouc7054620@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: arybchik set sender to arybchik@FreeBSD.org using -f From: Andrew Rybchenko Date: Fri, 23 Nov 2018 07:50:56 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r340800 - head/sys/dev/sfxge/common X-SVN-Group: head X-SVN-Commit-Author: arybchik X-SVN-Commit-Paths: head/sys/dev/sfxge/common X-SVN-Commit-Revision: 340800 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: C73277AFF0 X-Spamd-Result: default: False [1.49 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_SPAM_LONG(0.42)[0.420,0]; NEURAL_SPAM_MEDIUM(0.74)[0.738,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_SPAM_SHORT(0.33)[0.334,0] X-Rspamd-Server: mx1.freebsd.org 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: Fri, 23 Nov 2018 07:51:00 -0000 Author: arybchik Date: Fri Nov 23 07:50:56 2018 New Revision: 340800 URL: https://svnweb.freebsd.org/changeset/base/340800 Log: sfxge(4): let caller know that queue is already flushed Tx/Rx queue may be already flushed due to Tx/Rx error on the queue or MC reboot. Caller needs to know that the queue is already flushed to avoid waiting for flush done event. Submitted by: Andy Moreton Sponsored by: Solarflare Communications, Inc. MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D18070 Modified: head/sys/dev/sfxge/common/ef10_ev.c head/sys/dev/sfxge/common/ef10_rx.c head/sys/dev/sfxge/common/ef10_tx.c Modified: head/sys/dev/sfxge/common/ef10_ev.c ============================================================================== --- head/sys/dev/sfxge/common/ef10_ev.c Fri Nov 23 07:50:45 2018 (r340799) +++ head/sys/dev/sfxge/common/ef10_ev.c Fri Nov 23 07:50:56 2018 (r340800) @@ -434,7 +434,12 @@ efx_mcdi_fini_evq( return (0); fail1: - EFSYS_PROBE1(fail1, efx_rc_t, rc); + /* + * EALREADY is not an error, but indicates that the MC has rebooted and + * that the EVQ has already been destroyed. + */ + if (rc != EALREADY) + EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } Modified: head/sys/dev/sfxge/common/ef10_rx.c ============================================================================== --- head/sys/dev/sfxge/common/ef10_rx.c Fri Nov 23 07:50:45 2018 (r340799) +++ head/sys/dev/sfxge/common/ef10_rx.c Fri Nov 23 07:50:56 2018 (r340800) @@ -140,7 +140,7 @@ efx_mcdi_fini_rxq( efx_mcdi_execute_quiet(enp, &req); - if ((req.emr_rc != 0) && (req.emr_rc != EALREADY)) { + if (req.emr_rc != 0) { rc = req.emr_rc; goto fail1; } @@ -148,7 +148,12 @@ efx_mcdi_fini_rxq( return (0); fail1: - EFSYS_PROBE1(fail1, efx_rc_t, rc); + /* + * EALREADY is not an error, but indicates that the MC has rebooted and + * that the RXQ has already been destroyed. + */ + if (rc != EALREADY) + EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } @@ -819,7 +824,14 @@ ef10_rx_qflush( return (0); fail1: - EFSYS_PROBE1(fail1, efx_rc_t, rc); + /* + * EALREADY is not an error, but indicates that the MC has rebooted and + * that the RXQ has already been destroyed. Callers need to know that + * the RXQ flush has completed to avoid waiting until timeout for a + * flush done event that will not be delivered. + */ + if (rc != EALREADY) + EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } Modified: head/sys/dev/sfxge/common/ef10_tx.c ============================================================================== --- head/sys/dev/sfxge/common/ef10_tx.c Fri Nov 23 07:50:45 2018 (r340799) +++ head/sys/dev/sfxge/common/ef10_tx.c Fri Nov 23 07:50:56 2018 (r340800) @@ -151,7 +151,7 @@ efx_mcdi_fini_txq( efx_mcdi_execute_quiet(enp, &req); - if ((req.emr_rc != 0) && (req.emr_rc != EALREADY)) { + if (req.emr_rc != 0) { rc = req.emr_rc; goto fail1; } @@ -159,7 +159,12 @@ efx_mcdi_fini_txq( return (0); fail1: - EFSYS_PROBE1(fail1, efx_rc_t, rc); + /* + * EALREADY is not an error, but indicates that the MC has rebooted and + * that the TXQ has already been destroyed. + */ + if (rc != EALREADY) + EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } @@ -690,7 +695,14 @@ ef10_tx_qpace( return (0); fail1: - EFSYS_PROBE1(fail1, efx_rc_t, rc); + /* + * EALREADY is not an error, but indicates that the MC has rebooted and + * that the TXQ has already been destroyed. Callers need to know that + * the TXQ flush has completed to avoid waiting until timeout for a + * flush done event that will not be delivered. + */ + if (rc != EALREADY) + EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); }