From owner-svn-src-all@FreeBSD.ORG Thu May 21 09:09:53 2015 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id EA73C26F; Thu, 21 May 2015 09:09:52 +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 CBDB91CAA; Thu, 21 May 2015 09:09:52 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id t4L99qBp067584; Thu, 21 May 2015 09:09:52 GMT (envelope-from arybchik@FreeBSD.org) Received: (from arybchik@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id t4L99qdK067582; Thu, 21 May 2015 09:09:52 GMT (envelope-from arybchik@FreeBSD.org) Message-Id: <201505210909.t4L99qdK067582@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: arybchik set sender to arybchik@FreeBSD.org using -f From: Andrew Rybchenko Date: Thu, 21 May 2015 09:09:52 +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: r283209 - 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-all@freebsd.org X-Mailman-Version: 2.1.20 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, 21 May 2015 09:09:53 -0000 Author: arybchik Date: Thu May 21 09:09:51 2015 New Revision: 283209 URL: https://svnweb.freebsd.org/changeset/base/283209 Log: MFC: r282996 sfxge: support Rx checksum offloads disabling We can't disable it in HW, but we can ignore result. Discard Rx descriptor checksum flags if Rx checksum offload is off. Sponsored by: Solarflare Communications, Inc. Modified: stable/10/sys/dev/sfxge/sfxge.c stable/10/sys/dev/sfxge/sfxge_rx.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/dev/sfxge/sfxge.c ============================================================================== --- stable/10/sys/dev/sfxge/sfxge.c Thu May 21 09:08:10 2015 (r283208) +++ stable/10/sys/dev/sfxge/sfxge.c Thu May 21 09:09:51 2015 (r283209) @@ -64,8 +64,7 @@ __FBSDID("$FreeBSD$"); IFCAP_JUMBO_MTU | IFCAP_LRO | \ IFCAP_VLAN_HWTSO | IFCAP_LINKSTATE) #define SFXGE_CAP_ENABLE SFXGE_CAP -#define SFXGE_CAP_FIXED (IFCAP_VLAN_MTU | IFCAP_RXCSUM | IFCAP_VLAN_HWCSUM | \ - IFCAP_RXCSUM_IPV6 | \ +#define SFXGE_CAP_FIXED (IFCAP_VLAN_MTU | IFCAP_VLAN_HWCSUM | \ IFCAP_JUMBO_MTU | IFCAP_LINKSTATE) MALLOC_DEFINE(M_SFXGE, "sfxge", "Solarflare 10GigE driver"); Modified: stable/10/sys/dev/sfxge/sfxge_rx.c ============================================================================== --- stable/10/sys/dev/sfxge/sfxge_rx.c Thu May 21 09:08:10 2015 (r283208) +++ stable/10/sys/dev/sfxge/sfxge_rx.c Thu May 21 09:09:51 2015 (r283209) @@ -788,7 +788,8 @@ void sfxge_rx_qcomplete(struct sfxge_rxq *rxq, boolean_t eop) { struct sfxge_softc *sc = rxq->sc; - int lro_enabled = sc->ifnet->if_capenable & IFCAP_LRO; + int if_capenable = sc->ifnet->if_capenable; + int lro_enabled = if_capenable & IFCAP_LRO; unsigned int index; struct sfxge_evq *evq; unsigned int completed; @@ -818,21 +819,37 @@ sfxge_rx_qcomplete(struct sfxge_rxq *rxq prefetch_read_many(mtod(m, caddr_t)); - /* Check for loopback packets */ - if (!(rx_desc->flags & EFX_PKT_IPV4) && - !(rx_desc->flags & EFX_PKT_IPV6)) { - struct ether_header *etherhp; - - /*LINTED*/ - etherhp = mtod(m, struct ether_header *); - - if (etherhp->ether_type == - htons(SFXGE_ETHERTYPE_LOOPBACK)) { - EFSYS_PROBE(loopback); - - rxq->loopback++; - goto discard; + switch (rx_desc->flags & (EFX_PKT_IPV4 | EFX_PKT_IPV6)) { + case EFX_PKT_IPV4: + if (~if_capenable & IFCAP_RXCSUM) + rx_desc->flags &= + ~(EFX_CKSUM_IPV4 | EFX_CKSUM_TCPUDP); + break; + case EFX_PKT_IPV6: + if (~if_capenable & IFCAP_RXCSUM_IPV6) + rx_desc->flags &= ~EFX_CKSUM_TCPUDP; + break; + case 0: + /* Check for loopback packets */ + { + struct ether_header *etherhp; + + /*LINTED*/ + etherhp = mtod(m, struct ether_header *); + + if (etherhp->ether_type == + htons(SFXGE_ETHERTYPE_LOOPBACK)) { + EFSYS_PROBE(loopback); + + rxq->loopback++; + goto discard; + } } + break; + default: + KASSERT(B_FALSE, + ("Rx descriptor with both IPv4 and IPv6 flags")); + goto discard; } /* Pass packet up the stack or into LRO (pipelined) */