From owner-svn-src-stable@freebsd.org Wed Jan 25 16:10:37 2017 Return-Path: Delivered-To: svn-src-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 19E0ACC10F5; Wed, 25 Jan 2017 16:10:37 +0000 (UTC) (envelope-from loos@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 mx1.freebsd.org (Postfix) with ESMTPS id CEC017E7; Wed, 25 Jan 2017 16:10:36 +0000 (UTC) (envelope-from loos@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id v0PGAZiB085454; Wed, 25 Jan 2017 16:10:35 GMT (envelope-from loos@FreeBSD.org) Received: (from loos@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v0PGAZeb085452; Wed, 25 Jan 2017 16:10:35 GMT (envelope-from loos@FreeBSD.org) Message-Id: <201701251610.v0PGAZeb085452@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: loos set sender to loos@FreeBSD.org using -f From: Luiz Otavio O Souza Date: Wed, 25 Jan 2017 16:10:35 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r312761 - stable/11/sys/arm/ti/cpsw X-SVN-Group: stable-11 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: 2.1.23 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 Jan 2017 16:10:37 -0000 Author: loos Date: Wed Jan 25 16:10:35 2017 New Revision: 312761 URL: https://svnweb.freebsd.org/changeset/base/312761 Log: MFC r312411: Handle the set capabilities ioctl, letting the hardware checksum be disabled (Hi netmap!). Only remove the CRC bytes from packets when the hardware tell us to do so. Fixes the 'discard frame w/o leading ethernet header' issues. Sponsored by: Rubicon Communications, LLC (Netgate) Modified: stable/11/sys/arm/ti/cpsw/if_cpsw.c stable/11/sys/arm/ti/cpsw/if_cpswreg.h Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/arm/ti/cpsw/if_cpsw.c ============================================================================== --- stable/11/sys/arm/ti/cpsw/if_cpsw.c Wed Jan 25 15:54:44 2017 (r312760) +++ stable/11/sys/arm/ti/cpsw/if_cpsw.c Wed Jan 25 16:10:35 2017 (r312761) @@ -1396,6 +1396,16 @@ cpswp_ioctl(struct ifnet *ifp, u_long co ifr = (struct ifreq *)data; switch (command) { + case SIOCSIFCAP: + changed = ifp->if_capenable ^ ifr->ifr_reqcap; + if (changed & IFCAP_HWCSUM) { + if ((ifr->ifr_reqcap & changed) & IFCAP_HWCSUM) + ifp->if_capenable |= IFCAP_HWCSUM; + else + ifp->if_capenable &= ~IFCAP_HWCSUM; + } + error = 0; + break; case SIOCSIFFLAGS: CPSW_PORT_LOCK(sc); if (ifp->if_flags & IFF_UP) { @@ -1633,15 +1643,22 @@ cpsw_rx_dequeue(struct cpsw_softc *sc) /* TODO: track SOP/EOP bits to assemble a full mbuf out of received fragments. */ slot->mbuf->m_data += bd.bufoff; - slot->mbuf->m_len = bd.pktlen - 4; - slot->mbuf->m_pkthdr.len = bd.pktlen - 4; - slot->mbuf->m_flags |= M_PKTHDR; - slot->mbuf->m_pkthdr.rcvif = psc->ifp; + slot->mbuf->m_len = bd.buflen; + if (bd.flags & CPDMA_BD_SOP) { + slot->mbuf->m_pkthdr.len = bd.pktlen; + slot->mbuf->m_pkthdr.rcvif = psc->ifp; + slot->mbuf->m_flags |= M_PKTHDR; + } + slot->mbuf->m_next = NULL; slot->mbuf->m_nextpkt = NULL; + if (bd.flags & CPDMA_BD_PASS_CRC) + m_adj(slot->mbuf, -ETHER_CRC_LEN); if ((psc->ifp->if_capenable & IFCAP_RXCSUM) != 0) { /* check for valid CRC by looking into pkt_err[5:4] */ - if ((bd.flags & CPDMA_BD_PKT_ERR_MASK) == 0) { + if ((bd.flags & + (CPDMA_BD_SOP | CPDMA_BD_PKT_ERR_MASK)) == + CPDMA_BD_SOP) { slot->mbuf->m_pkthdr.csum_flags |= CSUM_IP_CHECKED; slot->mbuf->m_pkthdr.csum_flags |= CSUM_IP_VALID; slot->mbuf->m_pkthdr.csum_data = 0xffff; Modified: stable/11/sys/arm/ti/cpsw/if_cpswreg.h ============================================================================== --- stable/11/sys/arm/ti/cpsw/if_cpswreg.h Wed Jan 25 15:54:44 2017 (r312760) +++ stable/11/sys/arm/ti/cpsw/if_cpswreg.h Wed Jan 25 16:10:35 2017 (r312761) @@ -191,6 +191,7 @@ #define CPDMA_BD_OWNER (1 << 13) #define CPDMA_BD_EOQ (1 << 12) #define CPDMA_BD_TDOWNCMPLT (1 << 11) +#define CPDMA_BD_PASS_CRC (1 << 10) #define CPDMA_BD_PKT_ERR_MASK (3 << 4) #define CPDMA_BD_TO_PORT (1 << 4) #define CPDMA_BD_PORT_MASK 3