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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM4PR12MB5373.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 807c2bca-5067-48df-9f51-08db98d7c4a5 X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Aug 2023 12:54:28.7046 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 58xznKkgN5HMhcDyagaBr5zDlu3uBlfVQsvv1mdqg2BpcRSmRGJu9MgzNwN/kN3K2GvDn+Y3DPqZMPJ9whcYYA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB6680 X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 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 Hi Rahul, Thanks for the backport! Patch queued to 22.11.3 stable list. > -----Original Message----- > From: Rahul Bhansali > Sent: 7/3/2023 21:28 > To: stable@dpdk.org > Cc: Rahul Bhansali > Subject: [PATCH 22.11] common/cnxk: fix CPT backpressure disable on LBK >=20 > [ upstream commit 772e30281a1d686096b27e5926e2f369caa05cff ] >=20 > For LBK interfaces, roc_nix_inl_inb_is_enabled() is false, hence backpres= sure > on CPT is disabled and causing CQ full interrupt. >=20 > NIXX_AF_RX_CHAN[0x800]_CFG is global config for all PF, VF of RPM/LBK, > hence backpressure disable on CPT is not required. >=20 > Fixes: 0663a84524e5 ("common/cnxk: enable backpressure on CPT with inline > inbound") >=20 > Signed-off-by: Rahul Bhansali > --- > drivers/common/cnxk/roc_nix_fc.c | 11 ----------- > 1 file changed, 11 deletions(-) >=20 > diff --git a/drivers/common/cnxk/roc_nix_fc.c > b/drivers/common/cnxk/roc_nix_fc.c > index 033e17a4bf..5e8a01c775 100644 > --- a/drivers/common/cnxk/roc_nix_fc.c > +++ b/drivers/common/cnxk/roc_nix_fc.c > @@ -88,17 +88,6 @@ nix_fc_rxchan_bpid_set(struct roc_nix *roc_nix, bool > enable) > req->chan_cnt =3D 1; > req->bpid_per_chan =3D 0; >=20 > - rc =3D mbox_process_msg(mbox, (void *)&rsp); > - if (rc) > - goto exit; > - } else { > - req =3D mbox_alloc_msg_nix_cpt_bp_disable(mbox); > - if (req =3D=3D NULL) > - return rc; > - req->chan_base =3D 0; > - req->chan_cnt =3D 1; > - req->bpid_per_chan =3D 0; > - > rc =3D mbox_process_msg(mbox, (void *)&rsp); > if (rc) > goto exit; > -- > 2.25.1