From nobody Thu Dec 18 05:33:53 2025 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3B63374420; Sat, 4 Oct 2025 01:11:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.14 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759540307; cv=none; b=Pm4cDrn5EmvT1Qd2hE2h14JUWb5Fgbz1eZVddjMoSL66xEkS3sUo/RnokanjyH40Qvj41ny6QMjbCkqtJt65DCXRNWltlMvWxH+h3UZ2b2GyGJLMWK/Fxf/IItgyhnwE+qQ8p0yhLxIoSDucs70HMAuptDiCdQ+Szcd/z6VekmA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759540307; c=relaxed/simple; bh=+V5lrywCj3i8hHmaCLmJst2BSMbLJiNvxdIn69lTYRc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=cAUH6AcQGIRvGrPJTDrZxi9vfLHXeikWB3plMBdFn1fPj+Eet67ai++3B2ZjsJyzzmuCQ75YDn+BuyT7M+7IUVNuSSknERmBxHCuskf3OSZYOtu6G4YVWm1cGzpx7WKM2NMstU09xq5nPiN9W6aCamJdsjFn1p1907jCxm4Iv24= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=CHCiKpVI; arc=none smtp.client-ip=198.175.65.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="CHCiKpVI" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1759540306; x=1791076306; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=+V5lrywCj3i8hHmaCLmJst2BSMbLJiNvxdIn69lTYRc=; b=CHCiKpVIq0Pt69NW4FqRTfJd/QBOPiEorEgXmHbeXtjnmof+Nb4N1t1+ WM12/590VrWb3kqhI55aOznrnLECOSCvIjZK1oMiMrmeCELo00kvKYai1 1UBsINSEbRbV8UxYt08nQVIU2l0becI/PUDqtMXAOuh6Oig4/OhzKEGZG wKElP90t2rDTsPS9lYSlfJLHHWqsH8JQ7OOcBZE8/9G6XQWgwMQgTOKpX cco1UABPU/6U9JHvUcX+3OTOkwh8ZlyWYpChsPpYfsNeZv+z56ZL2Oi3a sSBWbTJJrWlcHd+ARMfizw/qzTUvgyyq/lsY0oRfcxdeQ1oVArdSCmmwM A==; X-CSE-ConnectionGUID: f5cawgTgROevYLgzB4X9rA== X-CSE-MsgGUID: NQrFCQKUT72U1g9Oi9Gf1Q== X-IronPort-AV: E=McAfee;i="6800,10657,11531"; a="65650027" X-IronPort-AV: E=Sophos;i="6.17,312,1747724400"; d="scan'208";a="65650027" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Oct 2025 18:11:43 -0700 X-CSE-ConnectionGUID: uKkO4qApSqaE4eYNVF7aMA== X-CSE-MsgGUID: 07LUFJtPSE2ymsQ/qtOtFQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,314,1751266800"; d="scan'208";a="178543209" Received: from orcnseosdtjek.jf.intel.com (HELO [10.166.28.70]) ([10.166.28.70]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Oct 2025 18:11:43 -0700 From: Jacob Keller Date: Fri, 03 Oct 2025 18:09:46 -0700 Subject: [PATCH net v2 3/6] ixgbe: handle IXGBE_VF_GET_PF_LINK_STATE mailbox operation Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251003-jk-iwl-net-2025-10-01-v2-3-e59b4141c1b5@intel.com> References: <20251003-jk-iwl-net-2025-10-01-v2-0-e59b4141c1b5@intel.com> In-Reply-To: <20251003-jk-iwl-net-2025-10-01-v2-0-e59b4141c1b5@intel.com> To: Przemek Kitszel , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Emil Tantilov , Alexander Lobakin , Willem de Bruijn , Sridhar Samudrala , Phani Burra , Piotr Kwapulinski , Simon Horman , Radoslaw Tyl , Jedrzej Jagielski Cc: Anton Nadezhdin , Konstantin Ilichev , Milena Olech , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Jacob Keller , Aleksandr Loktionov , Rafal Romanowski X-Mailer: b4 0.15-dev-cbe0e X-Developer-Signature: v=1; a=openpgp-sha256; l=5618; i=jacob.e.keller@intel.com; h=from:subject:message-id; bh=WveGSDHApHh1gyC1vDVAz7ivD6vjeZ/2lXnfVNk+0nM=; b=owGbwMvMwCWWNS3WLp9f4wXjabUkhowHJX4XX3tuyXtV0+59RGbukRcXLBccdDn2Wirwsfqmy Knb6hrsOkpZGMS4GGTFFFkUHEJWXjeeEKb1xlkOZg4rE8gQBi5OAZjIz90M/8NkfgSufNp7ePb5 cmXPQk09tZnnWNf7aJ1f1jnt7stSiUkMv5hjon4vL5Ow2vnu44XWx+wyVjcP2Yc+LfxpunTy60n b1zIBAA== X-Developer-Key: i=jacob.e.keller@intel.com; a=openpgp; fpr=204054A9D73390562AEC431E6A965D3E6F0F28E8 From: Jedrzej Jagielski Update supported API version and provide handler for IXGBE_VF_GET_PF_LINK_STATE cmd. Simply put stored values of link speed and link_up from adapter context. Reviewed-by: Przemek Kitszel Reviewed-by: Aleksandr Loktionov Signed-off-by: Jedrzej Jagielski Link: https://lore.kernel.org/stable/20250828095227.1857066-3-jedrzej.jagie= lski%40intel.com Tested-by: Rafal Romanowski Signed-off-by: Jacob Keller --- drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h | 5 +++ drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 42 ++++++++++++++++++++++= ++++ 2 files changed, 47 insertions(+) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h b/drivers/net/eth= ernet/intel/ixgbe/ixgbe_mbx.h index 4af149b63a39..f7256a339c99 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h @@ -50,6 +50,8 @@ enum ixgbe_pfvf_api_rev { ixgbe_mbox_api_12, /* API version 1.2, linux/freebsd VF driver */ ixgbe_mbox_api_13, /* API version 1.3, linux/freebsd VF driver */ ixgbe_mbox_api_14, /* API version 1.4, linux/freebsd VF driver */ + ixgbe_mbox_api_15, /* API version 1.5, linux/freebsd VF driver */ + ixgbe_mbox_api_16, /* API version 1.6, linux/freebsd VF driver */ /* This value should always be last */ ixgbe_mbox_api_unknown, /* indicates that API version is not known */ }; @@ -86,6 +88,9 @@ enum ixgbe_pfvf_api_rev { =20 #define IXGBE_VF_GET_LINK_STATE 0x10 /* get vf link state */ =20 +/* mailbox API, version 1.6 VF requests */ +#define IXGBE_VF_GET_PF_LINK_STATE 0x11 /* request PF to send link info */ + /* length of permanent address message returned from PF */ #define IXGBE_VF_PERMADDR_MSG_LEN 4 /* word in permanent address message with the current multicast type */ diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/e= thernet/intel/ixgbe/ixgbe_sriov.c index 32ac1e020d91..b09271d61a4e 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c @@ -510,6 +510,7 @@ static int ixgbe_set_vf_lpe(struct ixgbe_adapter *adapt= er, u32 max_frame, u32 vf case ixgbe_mbox_api_12: case ixgbe_mbox_api_13: case ixgbe_mbox_api_14: + case ixgbe_mbox_api_16: /* Version 1.1 supports jumbo frames on VFs if PF has * jumbo frames enabled which means legacy VFs are * disabled @@ -1046,6 +1047,7 @@ static int ixgbe_negotiate_vf_api(struct ixgbe_adapte= r *adapter, case ixgbe_mbox_api_12: case ixgbe_mbox_api_13: case ixgbe_mbox_api_14: + case ixgbe_mbox_api_16: adapter->vfinfo[vf].vf_api =3D api; return 0; default: @@ -1072,6 +1074,7 @@ static int ixgbe_get_vf_queues(struct ixgbe_adapter *= adapter, case ixgbe_mbox_api_12: case ixgbe_mbox_api_13: case ixgbe_mbox_api_14: + case ixgbe_mbox_api_16: break; default: return -1; @@ -1112,6 +1115,7 @@ static int ixgbe_get_vf_reta(struct ixgbe_adapter *ad= apter, u32 *msgbuf, u32 vf) =20 /* verify the PF is supporting the correct API */ switch (adapter->vfinfo[vf].vf_api) { + case ixgbe_mbox_api_16: case ixgbe_mbox_api_14: case ixgbe_mbox_api_13: case ixgbe_mbox_api_12: @@ -1145,6 +1149,7 @@ static int ixgbe_get_vf_rss_key(struct ixgbe_adapter = *adapter, =20 /* verify the PF is supporting the correct API */ switch (adapter->vfinfo[vf].vf_api) { + case ixgbe_mbox_api_16: case ixgbe_mbox_api_14: case ixgbe_mbox_api_13: case ixgbe_mbox_api_12: @@ -1174,6 +1179,7 @@ static int ixgbe_update_vf_xcast_mode(struct ixgbe_ad= apter *adapter, fallthrough; case ixgbe_mbox_api_13: case ixgbe_mbox_api_14: + case ixgbe_mbox_api_16: break; default: return -EOPNOTSUPP; @@ -1244,6 +1250,7 @@ static int ixgbe_get_vf_link_state(struct ixgbe_adapt= er *adapter, case ixgbe_mbox_api_12: case ixgbe_mbox_api_13: case ixgbe_mbox_api_14: + case ixgbe_mbox_api_16: break; default: return -EOPNOTSUPP; @@ -1254,6 +1261,38 @@ static int ixgbe_get_vf_link_state(struct ixgbe_adap= ter *adapter, return 0; } =20 +/** + * ixgbe_send_vf_link_status - send link status data to VF + * @adapter: pointer to adapter struct + * @msgbuf: pointer to message buffers + * @vf: VF identifier + * + * Reply for IXGBE_VF_GET_PF_LINK_STATE mbox command sending link status d= ata. + * + * Return: 0 on success or -EOPNOTSUPP when operation is not supported. + */ +static int ixgbe_send_vf_link_status(struct ixgbe_adapter *adapter, + u32 *msgbuf, u32 vf) +{ + struct ixgbe_hw *hw =3D &adapter->hw; + + switch (adapter->vfinfo[vf].vf_api) { + case ixgbe_mbox_api_16: + if (hw->mac.type !=3D ixgbe_mac_e610) + return -EOPNOTSUPP; + break; + default: + return -EOPNOTSUPP; + } + /* Simply provide stored values as watchdog & link status events take + * care of its freshness. + */ + msgbuf[1] =3D adapter->link_speed; + msgbuf[2] =3D adapter->link_up; + + return 0; +} + static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf) { u32 mbx_size =3D IXGBE_VFMAILBOX_SIZE; @@ -1328,6 +1367,9 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter= *adapter, u32 vf) case IXGBE_VF_IPSEC_DEL: retval =3D ixgbe_ipsec_vf_del_sa(adapter, msgbuf, vf); break; + case IXGBE_VF_GET_PF_LINK_STATE: + retval =3D ixgbe_send_vf_link_status(adapter, msgbuf, vf); + break; default: e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]); retval =3D -EIO; --=20 2.51.0.rc1.197.g6d975e95c9d7