From owner-svn-src-stable@freebsd.org Fri Oct 19 08:38:35 2018 Return-Path: Delivered-To: svn-src-stable@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 3947FFD7A9F; Fri, 19 Oct 2018 08:38:35 +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 TLSv1.2 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 D3FA7746D8; Fri, 19 Oct 2018 08:38:34 +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 CA57A4982; Fri, 19 Oct 2018 08:38:34 +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 w9J8cYO0078716; Fri, 19 Oct 2018 08:38:34 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w9J8cYNA078715; Fri, 19 Oct 2018 08:38:34 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201810190838.w9J8cYNA078715@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Fri, 19 Oct 2018 08:38:34 +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: r339442 - stable/11/sys/dev/usb/controller X-SVN-Group: stable-11 X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: stable/11/sys/dev/usb/controller X-SVN-Commit-Revision: 339442 X-SVN-Commit-Repository: base 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: 2.1.29 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: Fri, 19 Oct 2018 08:38:35 -0000 Author: hselasky Date: Fri Oct 19 08:38:34 2018 New Revision: 339442 URL: https://svnweb.freebsd.org/changeset/base/339442 Log: MFC r339388: Fix for reception of large full speed isochronous frames via the transaction translator, when using the DWC OTG USB controller driver. Make sure to re-try getting the complete split packets until a DATA0 packet is received. Larger isochronous frames may be split into multiple MDATA packets terminated by a single DATA0 packet. PR: 230434 Sponsored by: Mellanox Technologies Modified: stable/11/sys/dev/usb/controller/dwc_otg.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/dev/usb/controller/dwc_otg.c ============================================================================== --- stable/11/sys/dev/usb/controller/dwc_otg.c Fri Oct 19 04:37:27 2018 (r339441) +++ stable/11/sys/dev/usb/controller/dwc_otg.c Fri Oct 19 08:38:34 2018 (r339442) @@ -1460,6 +1460,8 @@ dwc_otg_host_data_rx(struct dwc_otg_softc *sc, struct /* check if we are complete */ if (td->tt_xactpos == HCSPLT_XACTPOS_BEGIN) { goto complete; + } else if (td->hcsplt != 0) { + goto receive_pkt; } else { /* get more packets */ goto busy; @@ -1518,8 +1520,10 @@ receive_pkt: if (td->hcsplt != 0) { delta = td->tt_complete_slot - sc->sc_last_frame_num - 1; if (td->tt_scheduled == 0 || delta < DWC_OTG_TT_SLOT_MAX) { - td->state = DWC_CHAN_ST_WAIT_C_PKT; - goto busy; + if (td->ep_type != UE_ISOCHRONOUS) { + td->state = DWC_CHAN_ST_WAIT_C_PKT; + goto busy; + } } delta = sc->sc_last_frame_num - td->tt_start_slot; if (delta > DWC_OTG_TT_SLOT_MAX) { @@ -1565,12 +1569,23 @@ receive_pkt: hcchar = td->hcchar; hcchar |= HCCHAR_EPDIR_IN; - /* receive complete split ASAP */ - if ((sc->sc_last_frame_num & 1) != 0 && - td->ep_type == UE_ISOCHRONOUS) - hcchar |= HCCHAR_ODDFRM; - else + if (td->ep_type == UE_ISOCHRONOUS) { + if (td->hcsplt != 0) { + /* continously buffer */ + if (sc->sc_last_frame_num & 1) + hcchar &= ~HCCHAR_ODDFRM; + else + hcchar |= HCCHAR_ODDFRM; + } else { + /* multi buffer, if any */ + if (sc->sc_last_frame_num & 1) + hcchar |= HCCHAR_ODDFRM; + else + hcchar &= ~HCCHAR_ODDFRM; + } + } else { hcchar &= ~HCCHAR_ODDFRM; + } /* must enable channel before data can be received */ DWC_OTG_WRITE_4(sc, DOTG_HCCHAR(channel), hcchar);