From nobody Tue Apr 28 06:45:02 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 4g4WC31cX3z6bRLG for ; Tue, 28 Apr 2026 06:45:03 +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 "R13" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4g4WC24rkcz3Z4p for ; Tue, 28 Apr 2026 06:45:02 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1777358702; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=bGLFkvvHS5KxB4FEbKPjIJ5yWaZQrnFInM4dZI8jc2U=; b=Nspt08G9V9ekb3NCvXdjVQFOgWhxf3G3ck7hGulObYF20e7nkRJYgsXDNxTwMbxRT+0sMR RkGgN3dTjg/Ao13GCcIh3HNdwIOHrNtdcwFZTxDOFBDj8fw8vA59y63YC1bfABMqJfS8nB DX8EKtoKuNz/Q1GjVjkabl+s+GhTO7xkaBzCecQH7pKnwg1pkod/DlN4Nki3nDmPoZbwfJ RFspbgLQ0CzTVWgLH3Evy3jyi4HF2+Bc/W/oOKZvoMWyJ5foefOynkIm7r8cGoefkVVGjV oSb4bQVNov2M+vKmkOrnHCjlxPtwL2DksPxkOztxUxo5T+OSMeKZyHNokIEJ/g== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1777358702; a=rsa-sha256; cv=none; b=vtWrNbIQLHKzjVyGKIpIyRTDZoz5aWcJEyWF57spLbX6F6LTviLlgbHCo4mwSzQsTQvh08 E9J4lYQfclMJr+TZWNaf0qzBLelLmK82DMwTPXd9+fpiNC6SDzMrEHl4XEhRYzQltXxsfF +1Uka+Dm/1CF12q7EV+mT9tRtpAwBNlKAmMhSHTrq9FP8jzZs//Qn+b5UWGYyiPQGnNjJa Or3TZkE7ZzfssVGKltJbfDRScGd3zlGdDHSk8th7HZnj3lz7S9FmDc+3nQJ4avCpfR/dPP dZwzYRYVDUAxR5bWngR1fj0magySEIz7O/ddNEGpQv64TcMJiDWZwbrRaU0NTQ== 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=1777358702; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=bGLFkvvHS5KxB4FEbKPjIJ5yWaZQrnFInM4dZI8jc2U=; b=NZaHmh0GqEUWl68o5zxkH1gnIfP+FnaiYrcA/+9ErY7lydCnhk1hFKKJw8mvnWUmvj57PD wPhG3I+u3g2L4CRHie1/yoM2X1qGjPIMyrojtIfcWrezRMSts7KSVrGPCe8oMGya+vfwis B7f7ndtdYY7fzC1JvYtUleEj7/fmkbYuSTE2nXteffMh5ktUAQBZwL59Jxcm2YqqH0So4M q7FtgmWq5t/A2cHYK2qxJ4kOb6VvvF9XBF+6XbNmCgyxqPt/enUeRjNi7w5Qlk8K2QAaxW qjOvwc8ZyxXt2olCG2ery1CMKqXPjRrGdQ6q4nES8nPqmzcofFwBRq7/i3s3Tg== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4g4WC24GNnzjq7 for ; Tue, 28 Apr 2026 06:45:02 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 30542 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Tue, 28 Apr 2026 06:45:02 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Cc: Chandrakanth Patil From: Sumit Saxena Subject: git: 8743209350cb - main - bnxt_en: Re-enable SR-IOV after firmware reset 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 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: ssaxena X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 8743209350cb4b7db6d367df99da0a7ae3bc5d39 Auto-Submitted: auto-generated Date: Tue, 28 Apr 2026 06:45:02 +0000 Message-Id: <69f0576e.30542.432194c9@gitrepo.freebsd.org> The branch main has been updated by ssaxena: URL: https://cgit.FreeBSD.org/src/commit/?id=8743209350cb4b7db6d367df99da0a7ae3bc5d39 commit 8743209350cb4b7db6d367df99da0a7ae3bc5d39 Author: Chandrakanth Patil AuthorDate: 2026-03-31 16:59:02 +0000 Commit: Sumit Saxena CommitDate: 2026-04-28 06:34:31 +0000 bnxt_en: Re-enable SR-IOV after firmware reset When the firmware undergoes a hot-reset and the driver re-opens the device, previously active Virtual Functions lose their resource configuration. bnxt_reenable_sriov() restores that configuration by replaying bnxt_cfg_hw_sriov() with the saved resource parameters. The function is called from bnxt_fw_reset_task() in the BNXT_FW_RESET_STATE_OPENING state, guarded by #ifdef PCI_IOV. Because bnxt_cfg_hw_sriov() is a no-op when active_vfs is zero the call is safe on any PF regardless of whether VFs were ever created. MFC after: 1 month Reviewed by: ssaxena Differential Revision: https://reviews.freebsd.org/D56201 --- sys/dev/bnxt/bnxt_en/bnxt_sriov.c | 10 ++++++++++ sys/dev/bnxt/bnxt_en/if_bnxt.c | 3 +++ 2 files changed, 13 insertions(+) diff --git a/sys/dev/bnxt/bnxt_en/bnxt_sriov.c b/sys/dev/bnxt/bnxt_en/bnxt_sriov.c index 2d9b43728c2d..2aeefd9308fb 100644 --- a/sys/dev/bnxt/bnxt_en/bnxt_sriov.c +++ b/sys/dev/bnxt/bnxt_en/bnxt_sriov.c @@ -972,3 +972,13 @@ void bnxt_sriov_attach(struct bnxt_softc *softc) device_printf(dev, "Failed to initialize SR-IOV (error=%d)\n", rc); } +void bnxt_reenable_sriov(struct bnxt_softc *bp) +{ + if (BNXT_PF(bp)) { + struct bnxt_pf_info *pf = &bp->pf; + uint16_t n = pf->active_vfs; + + if (n) + bnxt_cfg_hw_sriov(bp, &n, true); + } +} diff --git a/sys/dev/bnxt/bnxt_en/if_bnxt.c b/sys/dev/bnxt/bnxt_en/if_bnxt.c index 8023ee1524c5..b48c28f002d8 100644 --- a/sys/dev/bnxt/bnxt_en/if_bnxt.c +++ b/sys/dev/bnxt/bnxt_en/if_bnxt.c @@ -2327,6 +2327,9 @@ static void bnxt_fw_reset_task(struct work_struct *work) bnxt_ulp_start(bp, 0); clear_bit(BNXT_STATE_FW_ACTIVATE, &bp->state); set_bit(BNXT_STATE_OPEN, &bp->state); +#ifdef PCI_IOV + bnxt_reenable_sriov(bp); +#endif rtnl_unlock(); } return;