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Sun, 19 Jan 2020 16:41:29 +0000 Received: from AM0PR05MB6707.eurprd05.prod.outlook.com ([fe80::f0b7:a92b:aeb5:5761]) by AM0PR05MB6707.eurprd05.prod.outlook.com ([fe80::f0b7:a92b:aeb5:5761%5]) with mapi id 15.20.2644.024; Sun, 19 Jan 2020 16:41:29 +0000 From: Raslan Darawsheh To: Dekel Peled , Matan Azrad , Slava Ovsiienko CC: Ori Kam , "dev@dpdk.org" , "stable@dpdk.org" Thread-Topic: [PATCH v3] net/mlx5: optimize Rx hash fields conversion Thread-Index: AQHVy+nSJCbx9lPKdUixY7GwwYSj+qfyNUZw Date: Sun, 19 Jan 2020 16:41:28 +0000 Message-ID: References: In-Reply-To: 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=rasland@mellanox.com; x-originating-ip: [212.29.221.74] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 671c3388-7210-4cbc-06ac-08d79cfe6ecc x-ms-traffictypediagnostic: AM0PR05MB5697:|AM0PR05MB5697: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:5797; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: 671c3388-7210-4cbc-06ac-08d79cfe6ecc X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Jan 2020 16:41:29.0008 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: q6eRlfGrGUB/pcuzhDINyJxxKHaaMu+lDS1V/QwW+kUrgCfaF2P5jX1/3HLjn8FxqaIpjlmrsBGVxiSO+iIQJA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR05MB5697 Subject: Re: [dpdk-stable] [PATCH v3] net/mlx5: optimize Rx hash fields conversion 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, > -----Original Message----- > From: Dekel Peled > Sent: Wednesday, January 15, 2020 11:20 PM > To: Matan Azrad ; Slava Ovsiienko > > Cc: Raslan Darawsheh ; Ori Kam > ; dev@dpdk.org; stable@dpdk.org > Subject: [PATCH v3] net/mlx5: optimize Rx hash fields conversion >=20 > Previous fix added translation of Rx hash fields to PRM format. >=20 > This patch optimizes the fix, to perform value translation only > if value is not zero. > In case value is zero, there is no need to translate it. >=20 > Fixes: 51035775c3c7 ("net/mlx5: fix setting of Rx hash fields") > Cc: stable@dpdk.org >=20 > Signed-off-by: Dekel Peled > Acked-by: Viacheslav Ovsiienko >=20 > --- > v2: Modify title for clarity, change 'fix' to 'optimize'. > Remove the 'Fixes' label. > v3: Add back the 'Fixes' label. > --- >=20 > --- > drivers/net/mlx5/mlx5_rxq.c | 34 +++++++++++++++++++--------------- > 1 file changed, 19 insertions(+), 15 deletions(-) >=20 > diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c > index ca25e32..c936a7f 100644 > --- a/drivers/net/mlx5/mlx5_rxq.c > +++ b/drivers/net/mlx5/mlx5_rxq.c > @@ -2460,7 +2460,6 @@ struct mlx5_hrxq * > } > } else { /* ind_tbl->type =3D=3D MLX5_IND_TBL_TYPE_DEVX */ > struct mlx5_devx_tir_attr tir_attr; > - struct mlx5_rx_hash_field_select *rx_hash_field_select; > uint32_t i; > uint32_t lro =3D 1; >=20 > @@ -2474,23 +2473,27 @@ struct mlx5_hrxq * > memset(&tir_attr, 0, sizeof(tir_attr)); > tir_attr.disp_type =3D MLX5_TIRC_DISP_TYPE_INDIRECT; > tir_attr.rx_hash_fn =3D MLX5_RX_HASH_FN_TOEPLITZ; > -#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT > tir_attr.tunneled_offload_en =3D !!tunnel; > - /* Translate hash_fields bitmap to PRM format. */ > - rx_hash_field_select =3D hash_fields & IBV_RX_HASH_INNER ? > - &tir_attr.rx_hash_field_selector_inner : > - &tir_attr.rx_hash_field_selector_outer; > + /* If needed, translate hash_fields bitmap to PRM format. */ > + if (hash_fields) { > +#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT > + struct mlx5_rx_hash_field_select > *rx_hash_field_select =3D > + hash_fields & IBV_RX_HASH_INNER ? > + > &tir_attr.rx_hash_field_selector_inner : > + > &tir_attr.rx_hash_field_selector_outer; > #else > - rx_hash_field_select =3D > &tir_attr.rx_hash_field_selector_outer; > + struct mlx5_rx_hash_field_select > *rx_hash_field_select =3D > + > &tir_attr.rx_hash_field_selector_outer; > #endif > - /* 1 bit: 0: IPv4, 1: IPv6. */ > - rx_hash_field_select->l3_prot_type =3D > - !!(hash_fields & MLX5_IPV6_IBV_RX_HASH); > - /* 1 bit: 0: TCP, 1: UDP. */ > - rx_hash_field_select->l4_prot_type =3D > - !!(hash_fields & MLX5_UDP_IBV_RX_HASH); > - /* Bitmask which sets which fields to use in RX Hash. */ > - rx_hash_field_select->selected_fields =3D > + > + /* 1 bit: 0: IPv4, 1: IPv6. */ > + rx_hash_field_select->l3_prot_type =3D > + !!(hash_fields & MLX5_IPV6_IBV_RX_HASH); > + /* 1 bit: 0: TCP, 1: UDP. */ > + rx_hash_field_select->l4_prot_type =3D > + !!(hash_fields & MLX5_UDP_IBV_RX_HASH); > + /* Bitmask which sets which fields to use in RX Hash. > */ > + rx_hash_field_select->selected_fields =3D > ((!!(hash_fields & MLX5_L3_SRC_IBV_RX_HASH)) << >=20 > MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_SRC_IP) | > (!!(hash_fields & MLX5_L3_DST_IBV_RX_HASH)) << > @@ -2499,6 +2502,7 @@ struct mlx5_hrxq * >=20 > MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_L4_SPORT | > (!!(hash_fields & MLX5_L4_DST_IBV_RX_HASH)) << >=20 > MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_L4_DPORT; > + } > if (rxq_ctrl->obj->type =3D=3D > MLX5_RXQ_OBJ_TYPE_DEVX_HAIRPIN) > tir_attr.transport_domain =3D priv->sh->td->id; > else > -- > 1.8.3.1 Fixed fixes reference, patch applied to next-net-mlx, Kindest regards, Raslan Darawsheh