From owner-svn-src-stable@FreeBSD.ORG Wed Mar 25 10:29:09 2015 Return-Path: Delivered-To: svn-src-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id C1747C09; Wed, 25 Mar 2015 10:29:09 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 91C8D849; Wed, 25 Mar 2015 10:29:09 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id t2PAT9rN084076; Wed, 25 Mar 2015 10:29:09 GMT (envelope-from arybchik@FreeBSD.org) Received: (from arybchik@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id t2PAT9fB084075; Wed, 25 Mar 2015 10:29:09 GMT (envelope-from arybchik@FreeBSD.org) Message-Id: <201503251029.t2PAT9fB084075@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: arybchik set sender to arybchik@FreeBSD.org using -f From: Andrew Rybchenko Date: Wed, 25 Mar 2015 10:29:09 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r280523 - stable/10/sys/dev/sfxge X-SVN-Group: stable-10 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Mar 2015 10:29:09 -0000 Author: arybchik Date: Wed Mar 25 10:29:08 2015 New Revision: 280523 URL: https://svnweb.freebsd.org/changeset/base/280523 Log: MFC: 278248 sfxge: access statistics buffers under port lock Allow access to statistics data not only from sysctl handlers. Submitted by: Boris Misenov Sponsored by: Solarflare Communications, Inc. Approved by: gnn (mentor) Modified: stable/10/sys/dev/sfxge/sfxge_port.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/dev/sfxge/sfxge_port.c ============================================================================== --- stable/10/sys/dev/sfxge/sfxge_port.c Wed Mar 25 10:27:54 2015 (r280522) +++ stable/10/sys/dev/sfxge/sfxge_port.c Wed Mar 25 10:29:08 2015 (r280523) @@ -48,7 +48,7 @@ sfxge_mac_stat_update(struct sfxge_softc unsigned int count; int rc; - SFXGE_PORT_LOCK(port); + SFXGE_PORT_LOCK_ASSERT_OWNED(port); if (port->init_state != SFXGE_PORT_STARTED) { rc = 0; @@ -82,7 +82,6 @@ sfxge_mac_stat_update(struct sfxge_softc rc = ETIMEDOUT; out: - SFXGE_PORT_UNLOCK(port); return (rc); } @@ -93,12 +92,16 @@ sfxge_mac_stat_handler(SYSCTL_HANDLER_AR unsigned int id = arg2; int rc; + SFXGE_PORT_LOCK(&sc->port); if ((rc = sfxge_mac_stat_update(sc)) != 0) - return (rc); + goto out; - return (SYSCTL_OUT(req, - (uint64_t *)sc->port.mac_stats.decode_buf + id, - sizeof(uint64_t))); + rc = SYSCTL_OUT(req, + (uint64_t *)sc->port.mac_stats.decode_buf + id, + sizeof(uint64_t)); +out: + SFXGE_PORT_UNLOCK(&sc->port); + return (rc); } static void @@ -453,7 +456,7 @@ sfxge_phy_stat_update(struct sfxge_softc unsigned int count; int rc; - SFXGE_PORT_LOCK(port); + SFXGE_PORT_LOCK_ASSERT_OWNED(port); if (port->init_state != SFXGE_PORT_STARTED) { rc = 0; @@ -487,7 +490,6 @@ sfxge_phy_stat_update(struct sfxge_softc rc = ETIMEDOUT; out: - SFXGE_PORT_UNLOCK(port); return (rc); } @@ -498,12 +500,16 @@ sfxge_phy_stat_handler(SYSCTL_HANDLER_AR unsigned int id = arg2; int rc; + SFXGE_PORT_LOCK(&sc->port); if ((rc = sfxge_phy_stat_update(sc)) != 0) - return (rc); + goto out; - return (SYSCTL_OUT(req, - (uint32_t *)sc->port.phy_stats.decode_buf + id, - sizeof(uint32_t))); + rc = SYSCTL_OUT(req, + (uint32_t *)sc->port.phy_stats.decode_buf + id, + sizeof(uint32_t)); +out: + SFXGE_PORT_UNLOCK(&sc->port); + return (rc); } static void