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Miller" , Sasha Levin Subject: [PATCH AUTOSEL for 4.9 048/219] qed: Always publish VF link from leading hwfn Thread-Topic: [PATCH AUTOSEL for 4.9 048/219] qed: Always publish VF link from leading hwfn Thread-Index: AQHTsz7xTxUqMr6B/kC9VkIhaB9ZpQ== Date: Sat, 3 Mar 2018 22:28:23 +0000 Message-ID: <20180303222716.26640-48-alexander.levin@microsoft.com> References: <20180303222716.26640-1-alexander.levin@microsoft.com> In-Reply-To: <20180303222716.26640-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;MW2PR2101MB1036;7:PnL3YDVhf6ISCuqCfRnUkNbzqpjwMQwQpQ1zEv4SO/2Wu0KS3fgSoLRNsu5z+8RopiVAvPsO7NGpzPXnZDFwHyOKrCoAuyQjTtCI9APpib0Z/4sTm0ttbXNyPXMOicyuXPbtDCh9MHakIeaBaBM43TpXSZmdjvda8VrUq5k4pHeTpFaSTd9sIO4EF1s7IR+dCTqgBaIukwUQK381lz1FvnkRHVtD1bvM05JU2QL5LgSIbkPzQf4s62uAaIIvbihu x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: eac11b64-1b73-4b24-f7fe-08d581569bad x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(4534165)(4627221)(201703031133081)(201702281549075)(48565401081)(5600026)(4604075)(3008032)(2017052603307)(7193020);SRVR:MW2PR2101MB1036; x-ms-traffictypediagnostic: MW2PR2101MB1036: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(28532068793085)(89211679590171); x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(61425038)(6040501)(2401047)(8121501046)(5005006)(93006095)(93001095)(3231220)(944501244)(52105095)(3002001)(10201501046)(6055026)(61426038)(61427038)(6041288)(20161123562045)(20161123564045)(20161123558120)(20161123560045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(6072148)(201708071742011);SRVR:MW2PR2101MB1036;BCL:0;PCL:0;RULEID:;SRVR:MW2PR2101MB1036; x-forefront-prvs: 0600F93FE1 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(396003)(366004)(39380400002)(346002)(376002)(39860400002)(199004)(189003)(10290500003)(81166006)(5660300001)(107886003)(8936002)(81156014)(3846002)(6506007)(2906002)(8676002)(3280700002)(72206003)(76176011)(4326008)(478600001)(6116002)(6486002)(53936002)(1076002)(68736007)(6512007)(102836004)(2501003)(66066001)(3660700001)(5250100002)(6436002)(105586002)(86612001)(36756003)(316002)(7736002)(97736004)(26005)(186003)(110136005)(305945005)(22452003)(575784001)(86362001)(99286004)(6666003)(25786009)(106356001)(2900100001)(14454004)(54906003)(10090500001)(2950100002)(22906009)(217873001);DIR:OUT;SFP:1102;SCL:1;SRVR:MW2PR2101MB1036;H:MW2PR2101MB1034.namprd21.prod.outlook.com;FPR:;SPF:None;PTR:InfoNoRecords;A:1;MX:1;LANG:en; x-microsoft-antispam-message-info: GWg4n4GYDtdoxecM/ZsWWWODrQ0XfS5jQE7WOcBHBJUzfz2xvBE9723Tw+crUqxalNO3MGnkMARit2U7lyxkE6R2COFVH82jK3JD5iOzdqJbMqpM4CuVRMzUINPnJlpoQ+CfSscpk6jqYpGRsWvh/RKtHAtERiPynbjx/PGLCnY= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: eac11b64-1b73-4b24-f7fe-08d581569bad X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Mar 2018 22:28:23.8225 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2PR2101MB1036 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: "Mintz, Yuval" [ Upstream commit e50728effe1126eae39445ba144078b1305b7047 ] The link information exists only on the leading hwfn, but some of its derivatives [e.g., min/max rate] need to be configured for each hwfn. When re-basing the VF link view, use the leading hwfn information as basis for all existing hwfns to allow said configurations to stick. Signed-off-by: Yuval Mintz Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/qlogic/qed/qed_sriov.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c b/drivers/net/ethe= rnet/qlogic/qed/qed_sriov.c index d2d6621fe0e5..48bc5c151336 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_sriov.c +++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c @@ -3573,6 +3573,7 @@ static int qed_get_vf_config(struct qed_dev *cdev, =20 void qed_inform_vf_link_state(struct qed_hwfn *hwfn) { + struct qed_hwfn *lead_hwfn =3D QED_LEADING_HWFN(hwfn->cdev); struct qed_mcp_link_capabilities caps; struct qed_mcp_link_params params; struct qed_mcp_link_state link; @@ -3589,9 +3590,15 @@ void qed_inform_vf_link_state(struct qed_hwfn *hwfn) if (!vf_info) continue; =20 - memcpy(¶ms, qed_mcp_get_link_params(hwfn), sizeof(params)); - memcpy(&link, qed_mcp_get_link_state(hwfn), sizeof(link)); - memcpy(&caps, qed_mcp_get_link_capabilities(hwfn), + /* Only hwfn0 is actually interested in the link speed. + * But since only it would receive an MFW indication of link, + * need to take configuration from it - otherwise things like + * rate limiting for hwfn1 VF would not work. + */ + memcpy(¶ms, qed_mcp_get_link_params(lead_hwfn), + sizeof(params)); + memcpy(&link, qed_mcp_get_link_state(lead_hwfn), sizeof(link)); + memcpy(&caps, qed_mcp_get_link_capabilities(lead_hwfn), sizeof(caps)); =20 /* Modify link according to the VF's configured link state */ --=20 2.14.1