From nobody Thu Feb 9 00:51:57 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 4PByxV1mjgz3nYs2; Thu, 9 Feb 2023 00:51:58 +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 4PByxV1DBNz4JKF; Thu, 9 Feb 2023 00:51:58 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1675903918; 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=dYWGvB92AgXDe16tSb0OJBQ2+ljGHsajCduCab1t1eM=; b=Vv/nGTjI5q4Hzk5q0/N91+kcmLdwCddm6OcJ4j9Mg85mM2F97g4JGLsKiYXoWYcT2+WtgC j/KJUECBtgv0PfJNwFauUhcWa1XkZ4I7vTi3KmWvG7s9ZhO4VoothH8VDb/T5fGX43QU7R Ld3reiIB3ea2GTXmzUBpnbXf42Nf/MH5mwQgxsObv4iTVd0y0PWMFDBYljG75JXLitQ3Te cRRInF3h+q7bq7LVId6PsPTVd6avpEddj1QwjhrQVW+uGituv+CrCgy/kZYmgdzOmPl2C4 kEmmuA0loaNrzyho3WxssNGflHR7AQuLWEoWvU6lJrx39f2ndBJESe3YQVCvRw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1675903918; 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=dYWGvB92AgXDe16tSb0OJBQ2+ljGHsajCduCab1t1eM=; b=nSs7qTymEbXreaxwzXy02nIIBYGUvZeINb1HOdlInfOGjv1pm5LsbiB7EVvRzRwgMdIYf+ EqFgDxazavLQ3EbmF3gbkn4iE081jpNLrzp8H4lzIw4b3Wc/8Xl7F7F+S6zTEK+Pd+c868 B/OrBTvtXHqbWSvKgQF5zoMprPFB/5iZbrsjdHr0TwjQ92aeDl4M0iRYTy+bf4j7qfuRQI b9k3eD351BPi4kjECVrbL+MukXvt3J9J4mB8YfdTYi4SyDKowTs94UchrZphqheE9qh87Z UnoVnt6GzifuFhw0kSPjGBp0i/TNU4z6VyGnYsqhCpBXDTilzfYYK1YfaRXiaA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1675903918; a=rsa-sha256; cv=none; b=SrTxhKaJOiaxzL/QMKoUnCQYbpqprzGVfZCQhXxkXJEWQV+DA8zHdcb48ci5DKlfdICOOL e9PfMqtya8ZoBlnuMPALsI9XRGZ7sI0NINR9JZwFJcBCipMIWv2LdhVHiAe6b7e+BRB4JV rckdHf/+GluF8Qmo4XsL6xJfT3LfU9qgOyF9BfwKCg7oqn7vc7JCBKuSZUU5fTZm6PbtEf PuNXm0cQT1VRs6naGoNkifohKB1xO5AMIumcIugC0LbYjmNn0VY+qiNmqtrY/EB0RKc1h/ +e4v2CHqk9arfQY4r9Qfut/FyOvGL3P8s0x2haUj0DHkaSlPcvPEfUyfv0UBLg== 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 4PByxV0HnVzJ8J; Thu, 9 Feb 2023 00:51:58 +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 3190pva6093926; Thu, 9 Feb 2023 00:51:57 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 3190pvoO093925; Thu, 9 Feb 2023 00:51:57 GMT (envelope-from git) Date: Thu, 9 Feb 2023 00:51:57 GMT Message-Id: <202302090051.3190pvoO093925@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Kevin Bowling Subject: git: 563659021477 - main - 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/main X-Git-Reftype: branch X-Git-Commit: 56365902147791994157c3a8f75784dafd46dbd8 Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by kbowling (ports committer): URL: https://cgit.FreeBSD.org/src/commit/?id=56365902147791994157c3a8f75784dafd46dbd8 commit 56365902147791994157c3a8f75784dafd46dbd8 Author: Kevin Bowling AuthorDate: 2023-02-09 00:32:54 +0000 Commit: Kevin Bowling CommitDate: 2023-02-09 00:50:33 +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) MFC after: 2 weeks Sponsored by: BBOX.io --- 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 9c640e7b9667..40db185454e1 100644 --- a/sys/dev/e1000/e1000_ich8lan.c +++ b/sys/dev/e1000/e1000_ich8lan.c @@ -5167,6 +5167,13 @@ 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);