From nobody Thu Feb 23 00:30:08 2023 X-Original-To: dev-commits-src-branches@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4PMYnr4PtWz3sgRq; Thu, 23 Feb 2023 00:30:08 +0000 (UTC) (envelope-from git@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) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4PMYnr3sVXz40bP; Thu, 23 Feb 2023 00:30:08 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1677112208; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=gyOH/ge0pDkgcG2oGvYAG6zDtk10UjJB5AU+BIM+LYg=; b=KtlNuA5N/RxsI0tP3ITC1RVGBm25qjrA+6oLzGgKRjru/LQGrDYGcQwX+v9jiQSJf78nQI W4H4L8/WR0S0ZTIkCNF9+M1Zd1K6CfZZw1/hsVwrmQum+1+gLtSe6WSM4M+yvi7UAyHdF0 yATc+9yWWyfwKsXYYOno7tzsm+NAkMhH9PpUawRSR5TQG/n2Z8modITNaJsGUBaZ/WBZTw 6eddVMMXeQ0T2dmnVO4pSKyiPIxbM2qk3RR2Sd9xxt3G8ExbJMzT1m91BuKK7hVBCht0MH pUmmLuzJHPGxP9lBRTI9wIPZ34sMoZa6iEW++VNaxWW/suViqCJcNq92+AGGDA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1677112208; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=gyOH/ge0pDkgcG2oGvYAG6zDtk10UjJB5AU+BIM+LYg=; b=l+u7Q53Xg5CoDss+AtL/NFDrr+YQDe5O9P21HKQ3cbhMg8CMB7mf58K8uZYuX2mlZUB5Dt 4MzwT67s6N3H2xbDh3e5wGPZC36NZLXhzblM+wLkiAiQm8k6vi07omnDUWjmy0ILEiW63W CupNdBYqTVeQEj1s901YPGMXwdVTGexop/bR3AeQuxHAJmXtFpt+qKYkErIr77tN3WtU7n FRLcmDPE8xv81GdOP05SpVhjLFrSljtiWUA23KsJ+7+5T9wbhtIoiG19zeRqp27gcnzKR8 N6AcWBxbqKV4sAS7cnOQhtRdgG4W9Wl68OW1Y2lM1QqxpBByR6HmfEVwo1QzsA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1677112208; a=rsa-sha256; cv=none; b=yg8u2E/YbYpTCDAveyPOdokHaFC3eYO4ydJTUfnaRvF+WTciUwqzVR3bnvVXTqhflwPASy n8ysibDQxDusyZYMgUohAdFcMHeR+olLhqUPHFIL45HaOEVzD2p7zfcE5h5PXX8io2o1w9 SRAldoPQWNX+t8/dEZ5KGptrVfp91jOLS96SrlIsj9dcchXjFGeuBNK4Hqbuiu3mNII29r dMZf5MDqO8WJOURVK83gn+UbPGUKHJoBaw3U1yECCvJj2NNRt+I4qW1QUvlbZ8Xw1pviYr UKzF6MThfuGKzrGl8wuNfMwegon4Ap5BgDzNn5YNnzDVqLVjuAzAEX7d/m35uw== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4PMYnr2x8pzMWX; Thu, 23 Feb 2023 00:30:08 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 31N0U8MB076003; Thu, 23 Feb 2023 00:30:08 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 31N0U8U0076001; Thu, 23 Feb 2023 00:30:08 GMT (envelope-from git) Date: Thu, 23 Feb 2023 00:30:08 GMT Message-Id: <202302230030.31N0U8U0076001@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Kevin Bowling Subject: git: e7de5b89b72d - stable/12 - e1000: Fix packet loss on 11th gen and later List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-branches@freebsd.org X-BeenThere: dev-commits-src-branches@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kbowling X-Git-Repository: src X-Git-Refname: refs/heads/stable/12 X-Git-Reftype: branch X-Git-Commit: e7de5b89b72da29933f0e7f2852b33b1ba0eb442 Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch stable/12 has been updated by kbowling: URL: https://cgit.FreeBSD.org/src/commit/?id=e7de5b89b72da29933f0e7f2852b33b1ba0eb442 commit e7de5b89b72da29933f0e7f2852b33b1ba0eb442 Author: Kevin Bowling AuthorDate: 2023-02-09 00:32:54 +0000 Commit: Kevin Bowling CommitDate: 2023-02-23 00:29:58 +0000 e1000: Fix packet loss on 11th gen and later Ungate DMA clock on TGP and later to avoid packet loss. A similar fix appears in Linux 639e298f432fb058a9496ea16863f53b1ce935fe This may be needed as far back as SPT but no confirmation from intel or other OS yet. Obtained from: OpenBSD (if_em_hw.c 1.116) Sponsored by: BBOX.io (cherry picked from commit 56365902147791994157c3a8f75784dafd46dbd8) --- sys/dev/e1000/e1000_ich8lan.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sys/dev/e1000/e1000_ich8lan.c b/sys/dev/e1000/e1000_ich8lan.c index 7d079ee5d1b3..9893aa413b2c 100644 --- a/sys/dev/e1000/e1000_ich8lan.c +++ b/sys/dev/e1000/e1000_ich8lan.c @@ -5174,6 +5174,13 @@ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw) snoop = (u32) ~(PCIE_NO_SNOOP_ALL); e1000_set_pcie_no_snoop_generic(hw, snoop); + /* ungate DMA clock to avoid packet loss */ + if (mac->type >= e1000_pch_tgp) { + uint32_t fflt_dbg = E1000_READ_REG(hw, E1000_FFLT_DBG); + fflt_dbg |= (1 << 12); + E1000_WRITE_REG(hw, E1000_FFLT_DBG, fflt_dbg); + } + ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT); ctrl_ext |= E1000_CTRL_EXT_RO_DIS; E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);