From owner-svn-src-all@freebsd.org Tue Jan 1 23:41:17 2019 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 5E07B142DF6B; Tue, 1 Jan 2019 23:41:17 +0000 (UTC) (envelope-from avos@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 02FFE68242; Tue, 1 Jan 2019 23:41:17 +0000 (UTC) (envelope-from avos@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 EBA98129D; Tue, 1 Jan 2019 23:41:16 +0000 (UTC) (envelope-from avos@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x01NfGEM057006; Tue, 1 Jan 2019 23:41:16 GMT (envelope-from avos@FreeBSD.org) Received: (from avos@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x01NfGtN057005; Tue, 1 Jan 2019 23:41:16 GMT (envelope-from avos@FreeBSD.org) Message-Id: <201901012341.x01NfGtN057005@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: avos set sender to avos@FreeBSD.org using -f From: Andriy Voskoboinyk Date: Tue, 1 Jan 2019 23:41:16 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r342672 - head/sys/dev/rtwn/pci X-SVN-Group: head X-SVN-Commit-Author: avos X-SVN-Commit-Paths: head/sys/dev/rtwn/pci X-SVN-Commit-Revision: 342672 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 02FFE68242 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.97 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.97)[-0.971,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-0.998,0] 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: Tue, 01 Jan 2019 23:41:17 -0000 Author: avos Date: Tue Jan 1 23:41:16 2019 New Revision: 342672 URL: https://svnweb.freebsd.org/changeset/base/342672 Log: rtwn_pci: fix excessive packet loss on Tx with RTL8188EE. Use proper flags for bus_dmamap_sync() in Tx path. Tested with: RTL8188EE, STA mode MFC after: 4 days Modified: head/sys/dev/rtwn/pci/rtwn_pci_tx.c Modified: head/sys/dev/rtwn/pci/rtwn_pci_tx.c ============================================================================== --- head/sys/dev/rtwn/pci/rtwn_pci_tx.c Tue Jan 1 20:12:58 2019 (r342671) +++ head/sys/dev/rtwn/pci/rtwn_pci_tx.c Tue Jan 1 23:41:16 2019 (r342672) @@ -174,8 +174,8 @@ rtwn_pci_tx_start_frame(struct rtwn_softc *sc, struct rtwn_dump_tx_desc(sc, txd); bus_dmamap_sync(ring->desc_dmat, ring->desc_map, - BUS_DMASYNC_POSTWRITE); - bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE); + BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); + bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); data->m = m; data->ni = ni;