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Wed, 20 Feb 2019 11:02:44 +0000 Received: from CY4PR18MB1112.namprd18.prod.outlook.com ([fe80::7561:d13b:e106:12b4]) by CY4PR18MB1112.namprd18.prod.outlook.com ([fe80::7561:d13b:e106:12b4%4]) with mapi id 15.20.1643.014; Wed, 20 Feb 2019 11:02:44 +0000 From: Vadim Lomovtsev To: "sgoutham@cavium.com" , "sunil.kovvuri@gmail.com" , "rric@kernel.org" , "linux-arm-kernel@lists.infradead.org" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "davem@davemloft.net" CC: "dnelson@redhat.com" , Vadim Lomovtsev Subject: [PATCH v3 3/8] net: thunderx: make CFG_DONE message to run through generic send-ack sequence Thread-Topic: [PATCH v3 3/8] net: thunderx: make CFG_DONE message to run through generic send-ack sequence Thread-Index: AQHUyQvNlb6mQ52TF0mUmIj359Ic1A== Date: Wed, 20 Feb 2019 11:02:43 +0000 Message-ID: <20190220110225.9497-4-vlomovtsev@marvell.com> References: <20180327150736.10718-1-Vadim.Lomovtsev@caviumnetworks.com> <20190220110225.9497-1-vlomovtsev@marvell.com> In-Reply-To: <20190220110225.9497-1-vlomovtsev@marvell.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [4.28.12.78] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 16483b27-7724-4f33-c5aa-08d69722f10f x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600110)(711020)(4605104)(2017052603328)(7153060)(7193020);SRVR:CY4PR18MB1350; 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received-spf: None (protection.outlook.com: marvell.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 3jnw5grPWzC6u/NAsbasrXnFFNH8YqLZ17QwUEAwtVBIE0Soh2oMXCxW6Bne0v/SLLVzt/Qb6Q+4X7LbwXL9X4MaKSrYj0+J8Fsk8mkJkHiOTS2P5pmNjSfwARsyIMGlAbS6LEur1ULDsSGGaVW/5OHhZpSAC9mepT+AD+tFmrhlJLsLIhwLD2SBiyJ04flVRUqxJTvMKozZAX3yU8ntSgoIs1sru8xzF1q66ObrpFRAxm0l3M/JgnHFdvvBMtciAbn6qnvKMDpyn3fP+oCWgLTZvDJPABIT9twR2ITO8Thb5oBVenkH3jU71YsY1aEHN1/htmTCFiAw31yCOxHPJty/uXsac75VTuFFxuItB8tLKZGM0mZC6GQhJ9IHAuVFVyQ75Jrbz9uf5TPUB+oxMXKxmLnTf7Gj8lxm9K8/uWs= Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 16483b27-7724-4f33-c5aa-08d69722f10f X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Feb 2019 11:02:43.8590 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR18MB1350 X-OriginatorOrg: marvell.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-02-20_09:,, signatures=0 X-Proofpoint-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=697 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1902200080 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org At the end of NIC VF initialization VF sends CFG_DONE message to PF without using nicvf_msg_send_to_pf routine. This potentially could re-write data in mailbox. This commit is to implement common way of sending CFG_DONE message by the same way with other configuration messages by using nicvf_send_msg_to_pf() routine. Signed-off-by: Vadim Lomovtsev --- drivers/net/ethernet/cavium/thunder/nic_main.c | 2 +- drivers/net/ethernet/cavium/thunder/nicvf_main.c | 15 ++++++++++++--- 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/e= thernet/cavium/thunder/nic_main.c index 6c8dcb65ff03..90497a27df18 100644 --- a/drivers/net/ethernet/cavium/thunder/nic_main.c +++ b/drivers/net/ethernet/cavium/thunder/nic_main.c @@ -1039,7 +1039,7 @@ static void nic_handle_mbx_intr(struct nicpf *nic, in= t vf) case NIC_MBOX_MSG_CFG_DONE: /* Last message of VF config msg sequence */ nic_enable_vf(nic, vf, true); - goto unlock; + break; case NIC_MBOX_MSG_SHUTDOWN: /* First msg in VF teardown sequence */ if (vf >=3D nic->num_vf_en) diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net= /ethernet/cavium/thunder/nicvf_main.c index abf24e7dff2d..19b58fc3ca41 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -169,6 +169,17 @@ static int nicvf_check_pf_ready(struct nicvf *nic) return 1; } =20 +static void nicvf_send_cfg_done(struct nicvf *nic) +{ + union nic_mbx mbx =3D {}; + + mbx.msg.msg =3D NIC_MBOX_MSG_CFG_DONE; + if (nicvf_send_msg_to_pf(nic, &mbx)) { + netdev_err(nic->netdev, + "PF didn't respond to CFG DONE msg\n"); + } +} + static void nicvf_read_bgx_stats(struct nicvf *nic, struct bgx_stats_msg *= bgx) { if (bgx->rx) @@ -1416,7 +1427,6 @@ int nicvf_open(struct net_device *netdev) struct nicvf *nic =3D netdev_priv(netdev); struct queue_set *qs =3D nic->qs; struct nicvf_cq_poll *cq_poll =3D NULL; - union nic_mbx mbx =3D {}; =20 /* wait till all queued set_rx_mode tasks completes if any */ drain_workqueue(nic->nicvf_rx_mode_wq); @@ -1515,8 +1525,7 @@ int nicvf_open(struct net_device *netdev) nicvf_enable_intr(nic, NICVF_INTR_RBDR, qidx); =20 /* Send VF config done msg to PF */ - mbx.msg.msg =3D NIC_MBOX_MSG_CFG_DONE; - nicvf_write_to_mbx(nic, &mbx); + nicvf_send_cfg_done(nic); =20 return 0; cleanup: --=20 2.17.2