From nobody Tue Aug 25 00:31:20 2026 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 4hTTGx5mjtz6pMXk for ; Tue, 25 Aug 2026 00:31:21 +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 "YR2" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hTTGw5w4Wz48lS for ; Tue, 25 Aug 2026 00:31:20 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1787617880; 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=b98SXzhWYH9uh4DAdlBZN0dolcUhK5MnATA23RFOoAk=; b=jXCiRDo65KRKLvdv4pwkM64UFyiFQ/lSm9OTk9R1ZglR4tPkjCZ+4JZWoKDc/e4WhUTf9r 54f2RqmzDw6bIJbXRk5De+OJRtw2YpcAMb5mhDNbU53EHYVKjU5+OCqOZq28V4353qd3Z5 BzXWGz7NvOuXz9d4AjE/3skSQ60fnUPuRCyGfXueqEiwzTVm9V2Nrqt3Z2KSY3QRGw95O6 0+hHUdHVNQuz4HNze5nhPTf8pBfLWgSgmsAPBq7FAR+8Wwa0B0taiPJG60E6lUxzXGMhWb dss7LhajErlu+cHR6mg2QZMLeXBfRpS1Ex58YiekIRdcWz3TJ3BmWgw77ItOKg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1787617880; a=rsa-sha256; cv=none; b=f4mcCloQAVDnSfM+N18TxM02utIJrSmVRMFgEAVBG9MynPcUxZnGoaSz4qCEs4l/HjdHSp uVqEBKYYVorOQMVLgl4PK/hCiZMD7Iof8mgYRDUK1+w3z8T+l9a+y0LA3rZtMwEBCt+pC7 kYzyeE7jLhDlzKOvWDSnUuXwuYjevFhTQ2ZnzTkKlRZxWNDq6GURe9h88maAL4NQ99Vf5L 1pcuK1NKjJ1w8mSaPH2j8hMcTXgdWxFM4KtIwC59Nm68g+3RfvRx2N4cHo8m1bmSTxiOXy P9UYaIesO+KS2p2DIr7kTy1KaZ2HrA0dSTLpRS599i1ltDEHo9dsZKXUOhCc6g== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1787617880; 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=b98SXzhWYH9uh4DAdlBZN0dolcUhK5MnATA23RFOoAk=; b=bJFsSYMOe1E9/idU1S/y/j2/QZx9capzHlpIa1ehMmT2IkjA4MK3kon79ckGxDewj8XM5r 7GXJ0wXWX4VgNuf5Spiv3OkwB6uE29NwtrO+bsa1nKiSoTJR3NCH8i4IYtq/7N2OjEnOWD EUBP3j9Ijn8CIGRFk/B3DZvsSDCQCjPb6SHKv7UQxoq6ooj1Cqjd+ATyMB1geq4qC31Uh0 CUWh2TFJzRYud3Nd2pjhs/7NO/HFSaaZwPtwqSYGelCXs+4OH3BkQkZbdCkDx8HjHJSJ/c ry8ax7Spaqz+XG9WQJu721m6qL0HGyTma+dwY9VWyrNA+mOu+GR5jUkEjIErbw== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4hTTGw4fmmzCBv for ; Tue, 25 Aug 2026 00:31:20 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 3dc6b by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Tue, 25 Aug 2026 00:31:20 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Kevin Bowling Subject: git: 2902ca80121f - stable/15 - e1000: Accept uninitialized Tiger Lake NVM checksums 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: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list 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/15 X-Git-Reftype: branch X-Git-Commit: 2902ca80121f6c679192d46b1b3a66df22b9811e Auto-Submitted: auto-generated Date: Tue, 25 Aug 2026 00:31:20 +0000 Message-Id: <6a8ce258.3dc6b.439366d5@gitrepo.freebsd.org> The branch stable/15 has been updated by kbowling: URL: https://cgit.FreeBSD.org/src/commit/?id=2902ca80121f6c679192d46b1b3a66df22b9811e commit 2902ca80121f6c679192d46b1b3a66df22b9811e Author: Kevin Bowling AuthorDate: 2026-08-11 18:57:52 +0000 Commit: Kevin Bowling CommitDate: 2026-08-25 00:24:14 +0000 e1000: Accept uninitialized Tiger Lake NVM checksums Some transitional Tiger Lake systems shipped with an uninitialized checksum word. Accept that state while continuing to validate newer read-only NVM images. (cherry picked from commit ccb8ad1f645eb77d393eb81ff1b86b213b74bc87) --- sys/dev/e1000/e1000_defines.h | 1 + sys/dev/e1000/e1000_nvm.c | 7 +++++++ 2 files changed, 8 insertions(+) diff --git a/sys/dev/e1000/e1000_defines.h b/sys/dev/e1000/e1000_defines.h index 9b8aca173856..fb21ad3d24b0 100644 --- a/sys/dev/e1000/e1000_defines.h +++ b/sys/dev/e1000/e1000_defines.h @@ -1177,6 +1177,7 @@ /* For checksumming, the sum of all words in the NVM should equal 0xBABA. */ #define NVM_SUM 0xBABA +#define NVM_CHECKSUM_UNINITIALIZED 0xFFFF /* PBA (printed board assembly) number words */ #define NVM_PBA_OFFSET_0 8 diff --git a/sys/dev/e1000/e1000_nvm.c b/sys/dev/e1000/e1000_nvm.c index 8a26e1dd0427..bc5ca47eae34 100644 --- a/sys/dev/e1000/e1000_nvm.c +++ b/sys/dev/e1000/e1000_nvm.c @@ -1215,6 +1215,13 @@ s32 e1000_validate_nvm_checksum_generic(struct e1000_hw *hw) checksum += nvm_data; } + /* Some transitional TGP systems shipped with an empty checksum word. */ + if (hw->mac.type == e1000_pch_tgp && + nvm_data == NVM_CHECKSUM_UNINITIALIZED) { + DEBUGOUT("Uninitialized NVM checksum on TGP; ignoring\n"); + return E1000_SUCCESS; + } + if (checksum != (u16) NVM_SUM) { DEBUGOUT("NVM Checksum Invalid\n"); return -E1000_ERR_NVM;