From nobody Thu Feb 23 00:29:43 2023 X-Original-To: dev-commits-src-all@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 4PMYnM72PYz3sg55; Thu, 23 Feb 2023 00:29:43 +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 4PMYnM6bx3z3y1V; Thu, 23 Feb 2023 00:29:43 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1677112183; 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=2Y6khRJ/urNFduiZHdAQniCaRa9MtZbij4llsDafWVk=; b=r+jOLOz/lO5My8K6qc3GGmSLF7eOtpi8Wjyfq1f3SfY4h3/bwEM4tEinaWPFRlNGBVgghZ 8csAzb7epluklkIc8DrDYGVfIWk6QzWD1EqWOMu+OQVWVJk+HlN6IVmcLgBs+6zMc2EhuI k1zD1mThdFCekQOr/i0D8pHyu2klzOXiArsPPs6Lcy4v6j+8Fd0wz1Gx0Zb0hS7zzw4LFn pDxeQrQA4e1fO+ztsxvYdXtRMw3Tb0Kv/1HHT5QhaoDRpGLY72nt11mqvt9nwNTypD+aR7 YanOVvUMRJyWYTPRefDk0Xg2M/RHeLcgN7x2FEDvQWll6uk8JPtOaPzwUyne1Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1677112183; 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=2Y6khRJ/urNFduiZHdAQniCaRa9MtZbij4llsDafWVk=; b=hcvD5eJt4usAbPd9nli6w4ijc7QsiJ+HAX6RMImaGM5Og2ZujVCI/aTevDwvINElomG5my fK08T6Tt8n8RajiMpNivEyjhLaQudDkasnp7B4dSWYDDusbk4g4bXg4pqgLWaBMxY30IXb /tcHFLAbloX10vx3Ja2g5wr95sFktX8DbuzSIYQ2jxYv05TBzoP/umu3lDZOYMC5B7y1RJ bS733HtVfK0HNb8+0DINaK+FxWik72GYloFdGfsr4m3/lC/jOqZTXPuEVPF19feD+7kN19 UnXMRAtSJcAQcAvK8gr3s8e2fBzY6uIKGKsgUAtr7tRyh9OPzgEPA6E/olmWhw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1677112183; a=rsa-sha256; cv=none; b=TvYut7u6Bsttj2K0bef9U74InCgesWHihfoHu/qkICsHkllTFuAV1CMhHqakljk6L66g6P uiulhov0rzgkaM0cZ8qfu/oF2df4LYTMeD+CpMojXLkefCFNc8wxOriC4GoHg27Jxj4Jpn hyxkEIKal/ubPwAEhR6MUlQoto6Q8GJ1d1Fx0V1+VnSCsh1uE/AZXOeKKvcsylxT/PeOOu +Y3CtbiEXVurc242RLWHAz/w3hG74vyFe9V8FXPk1g0pCP7IEdDGhlUaYvAfco9oqyUHMm ZCTUhTHKiUmEG1gigme0zgpwOsauHvu2q07w/VYqwBhOEya3KvkrUi9QMrINqQ== 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 4PMYnM5fBvzLph; Thu, 23 Feb 2023 00:29:43 +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 31N0ThV6072523; Thu, 23 Feb 2023 00:29:43 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 31N0Thin072522; Thu, 23 Feb 2023 00:29:43 GMT (envelope-from git) Date: Thu, 23 Feb 2023 00:29:43 GMT Message-Id: <202302230029.31N0Thin072522@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: b0b1fa9efed8 - stable/13 - e1000: Fix packet loss on 11th gen and later List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@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/13 X-Git-Reftype: branch X-Git-Commit: b0b1fa9efed8d3a4aeb8e365c4f3356de9cc0f6d Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch stable/13 has been updated by kbowling: URL: https://cgit.FreeBSD.org/src/commit/?id=b0b1fa9efed8d3a4aeb8e365c4f3356de9cc0f6d commit b0b1fa9efed8d3a4aeb8e365c4f3356de9cc0f6d Author: Kevin Bowling AuthorDate: 2023-02-09 00:32:54 +0000 Commit: Kevin Bowling CommitDate: 2023-02-23 00:29:33 +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 f74ef5f9c7b3..86b3d1194edd 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);