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Thu, 26 Mar 2020 08:57:24 +0000 Received: from MN2PR11MB3582.namprd11.prod.outlook.com ([fe80::f091:55f5:2e58:8b26]) by MN2PR11MB3582.namprd11.prod.outlook.com ([fe80::f091:55f5:2e58:8b26%6]) with mapi id 15.20.2835.021; Thu, 26 Mar 2020 08:57:24 +0000 From: "Yang, Qiming" To: "Jiang, JunyuX" , "dev@dpdk.org" CC: "Zhang, Qi Z" , "stable@dpdk.org" Thread-Topic: [PATCH v2] net/ice: fix RSS advanced rule invalid issue Thread-Index: AQHWAz8E4Aq6Xs7Wnk2KnoTyk4gPaqhakbkw Date: Thu, 26 Mar 2020 08:57:24 +0000 Message-ID: References: <20200319074825.16035-1-junyux.jiang@intel.com> <20200326065725.21533-1-junyux.jiang@intel.com> In-Reply-To: <20200326065725.21533-1-junyux.jiang@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=qiming.yang@intel.com; x-originating-ip: [192.102.204.36] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: d1132843-c069-4911-da36-08d7d163b419 x-ms-traffictypediagnostic: MN2PR11MB4709: x-ld-processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:1284; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: d1132843-c069-4911-da36-08d7d163b419 X-MS-Exchange-CrossTenant-originalarrivaltime: 26 Mar 2020 08:57:24.7306 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: kMo3DRhCv8n4kBxob6GdOsCm4eBseSMVVwXvorLYMdcfERpUYX1WthDysjkGGDgkH0Un+erQOjqa68K3A+YAJg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR11MB4709 X-OriginatorOrg: intel.com Subject: Re: [dpdk-stable] [PATCH v2] net/ice: fix RSS advanced rule invalid issue X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" Hi, Junyu NACKed. I still keep my point of view, I think no need to enable a restore function= . Beside, 'ptr' =3D rss rule? I don't get your point, please don't define a v= arious with a no meaning name. Hi, Qi What do you think about move the 'ice_rss_init' into 'ice_dev_init' ? Qiming > -----Original Message----- > From: Jiang, JunyuX > Sent: Thursday, March 26, 2020 14:57 > To: dev@dpdk.org > Cc: Zhang, Qi Z ; Yang, Qiming > ; Jiang, JunyuX ; > stable@dpdk.org > Subject: [PATCH v2] net/ice: fix RSS advanced rule invalid issue >=20 > This patch added a restore function for RSS advanced rule to fix the rule > invalid after running port stop and port start. >=20 > Fixes: 5ad3db8d4bdd ("net/ice: enable advanced RSS") > Cc: stable@dpdk.org >=20 > Signed-off-by: Junyu Jiang > --- > drivers/net/ice/ice_ethdev.c | 47 > ++++++++++++++++++++++++++++++++++++ > 1 file changed, 47 insertions(+) >=20 > diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c > index 85ef83e92..c2ee37c59 100644 > --- a/drivers/net/ice/ice_ethdev.c > +++ b/drivers/net/ice/ice_ethdev.c > @@ -47,6 +47,11 @@ struct proto_xtr_ol_flag { > bool required; > }; >=20 > +struct ice_hash_flow_cfg { > + bool simple_xor; > + struct ice_rss_cfg rss_cfg; > +}; > + > static struct proto_xtr_ol_flag ice_proto_xtr_ol_flag_params[] =3D { > [PROTO_XTR_VLAN] =3D { > .param =3D { .name =3D "ice_dynflag_proto_xtr_vlan" }, @@ - > 2464,6 +2469,45 @@ ice_dev_configure(struct rte_eth_dev *dev) > return 0; > } >=20 > +static int > +ice_rss_restore(struct rte_eth_dev *dev) { > + struct ice_pf *pf =3D ICE_DEV_PRIVATE_TO_PF(dev->data- > >dev_private); > + struct ice_hw *hw =3D ICE_DEV_PRIVATE_TO_HW(dev->data- > >dev_private); > + struct ice_vsi *vsi =3D pf->main_vsi; > + struct rte_flow *p_flow; > + struct ice_hash_flow_cfg *filter_ptr; > + struct ice_flow_engine *engine; > + uint32_t reg; > + int ret; > + > + TAILQ_FOREACH(p_flow, &pf->flow_list, node) { > + engine =3D p_flow->engine; > + if (engine->type =3D=3D ICE_FLOW_ENGINE_HASH) { > + filter_ptr =3D (struct ice_hash_flow_cfg *)p_flow->rule; > + /* Enable registers for simple_xor hash function. */ > + if (filter_ptr->simple_xor =3D=3D 1) { > + reg =3D ICE_READ_REG(hw, > + VSIQF_HASH_CTL(vsi->vsi_id)); > + reg =3D (reg & > (~VSIQF_HASH_CTL_HASH_SCHEME_M)) | > + (2 << > VSIQF_HASH_CTL_HASH_SCHEME_S); > + ICE_WRITE_REG(hw, > + VSIQF_HASH_CTL(vsi->vsi_id), reg); > + } else { > + ret =3D ice_add_rss_cfg(hw, vsi->idx, > + filter_ptr->rss_cfg.hashed_flds, > + filter_ptr->rss_cfg.packet_hdr, > + filter_ptr->rss_cfg.symm); > + if (ret) > + PMD_DRV_LOG(ERR, > + "%s restore rss fail %d", > + __func__, ret); > + } > + } > + } > + return 0; > +} > + > static int ice_init_rss(struct ice_pf *pf) { > struct ice_hw *hw =3D ICE_PF_TO_HW(pf); > @@ -2591,6 +2635,9 @@ static int ice_init_rss(struct ice_pf *pf) > PMD_DRV_LOG(ERR, "%s PPPoE/PPPoD_SessionID rss flow > fail %d", > __func__, ret); >=20 > + /* restore RSS configuration */ > + ice_rss_restore(dev); > + > return 0; > } >=20 > -- > 2.17.1