From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id A3367A0512 for ; Tue, 14 Jan 2020 19:10:27 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 31C2D1C0C3; Tue, 14 Jan 2020 19:10:27 +0100 (CET) Received: from us-smtp-1.mimecast.com (us-smtp-2.mimecast.com [205.139.110.61]) by dpdk.org (Postfix) with ESMTP id C62551C06A for ; Tue, 14 Jan 2020 19:10:23 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1579025423; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=PPWCIKlOlXxxG8SZ02cN/1GqsM0okdT7RmpVZeyz6YU=; b=Ba3/+hqO4rYP0m05omPrMb7zaTM+QDcZvgHyONNLf93iydCikrP8TR6YsUBRuGAjX17rP2 F55/H1DzCk/NOY6ooo0XwpuBY+VGRqVLupdTy7lkjfaNkU54WtyWwCnbLoATGmMk9gn4Ri 9ST2gwN5DQgYaRiP2GWAbM7kSgP0rTQ= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-8-nIgfCRu5Og-1MiqNZJZ4vw-1; Tue, 14 Jan 2020 13:10:19 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 3F0A2DBA5; Tue, 14 Jan 2020 18:10:18 +0000 (UTC) Received: from [10.33.36.27] (unknown [10.33.36.27]) by smtp.corp.redhat.com (Postfix) with ESMTP id 623A95C1D6; Tue, 14 Jan 2020 18:10:16 +0000 (UTC) To: Dekel Peled , matan@mellanox.com, viacheslavo@mellanox.com Cc: rasland@mellanox.com, orika@mellanox.com, dev@dpdk.org, stable@dpdk.org References: <57bc3225d6cc2dfa0423a86d8ca99aab4ab39e55.1578497959.git.dekelp@mellanox.com> From: Kevin Traynor Autocrypt: addr=ktraynor@redhat.com; keydata= mQINBF2J2awBEADUEPNhgNI+nJNgiTAUcw4YIgVXEoHlsNPyyzG1BEXkWXALy0Y3fNTiw6+r ltWDkF9jzL9kfkecgQ67itGfk1OaBXgSGKuw1PUpxAwX2Bi76LAR6M5OsyGM9TSVVQwARalz hMwRBIZPzPc7or6Pw7jAOJ8SQGJ1Zlp1YJCjrvpe87V1tH/LY8Wnxn/EuoseFmWILAQZAtYS tGjcrAgYn3SPMLR1B0BP5bTBY06vWQjiufH8drenfDnMJAzuBdG1mqjnTqCjULZ3Hunv4xqZ aMnkvL/K5Tj1c12Oe4930EE53LrXIBUltRg5mBudSWHnC7twjH0082HH9f963Z/2UI63SFIT iUvRvAzJYytgy7XnWLQ0+goZBADKYfolOuC0H8VgCaux8u8KFF28Dy+N6TV2KI58jTlyg1Zu l7QwykZpnOkJFiy37Gfbu3YEOzO72cP/S7/A+zvuqkxi63jyEkd+FY99vLt/HN2MUZwRmKDw UPbLkmrs8WU01/POVsqDcfvz7vu2St8hqqTiSIdQGS2zyTKB2/DvPSM3jws3udkIYSuhn+X4 QBiV6lkVZ7DSE6a065gnAauAql+b32Eymy+xnG5jCt1tR+0Cp2VZYCR9OU2gmomUKBDoX/He pSgED01CqYPNjN+TddirwmQX7ep4DtXc8FWvv2g/pq9WZFQk2QARAQABtCNLZXZpbiBUcmF5 bm9yIDxrdHJheW5vckByZWRoYXQuY29tPokCTgQTAQgAOBYhBAoiOaH51tHF7VYtEI9CINER a+yJBQJdidmsAhsDBQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAAAoJEI9CINERa+yJoxIP/3VF 2TIgW4ckxhRFCvFu/606bnvCPie88ake4uWVWMAWwcMc4fKEltRWRCpkSVOwgqoMHnyHxK5r kOKzx2CLJMX5TgTMfKzPuaBDHngHLUzl2DStpBzrod0cVg5TShdmmfjY61uxRJKz+DlSkwgJ riADdVF5PPosQXTkKSGf2ombpTGpx/pue9ocjnr3x4SDpRLlnooM6Jf/3Y3Ib4jX6HPEyWuY b+owIIk9y2nRRGPQ6jbqAhsrXd9V+77UL0QuGWloMuKMZFbNg8hbu7X5aFijAbfxj4YUgojS ba7gfGZQan8h32A9KGQWrmsCBc3j2GqEPsX0r05X7cn7WL6IOPgQJ5EiQ7PlazQYVLrvZg9B n0GKK0k6895mLG0ZZ5v/qajOPF52etSmvFD1WUPb4OqaHqGA9ZtMpaKFRt7Y6rpXqKNU1xzW F5KjbTPtTb9WF3An8dciVv+AYUI7totkZYkWvQtgss8lfaX3NKUvXLVxqK0z3dQyr7rF/tYz PneTKypSksjCgaEBLSrsRmM5zKfe7tSNF/fDntfIq/029Jtcw29TcWEP57peNu6TtejewQD9 sTI+oqiXvW2D5l7LNUDYG8eMJp2oT7I0ZSBRvwcbmjH0DtN/bXCCFfCvk8Yic68F3tV1ctix wQARVKDBhT30uCxycRWojCYqTgNJJS71uQINBF2J2awBEADP57PR2IpSYBeNSrsAjeIcsahE N4SQP2C4s50S8QEWAUhqMRI7WNv5cfeef0nDvcl1IUA6oz5SokbcsbMa+mRgaNF4N5KikWTO LPYxq2YVJoXwJ+tKmNzyOLFUIfFJ4NBJZple5dTfWzD00Dbb19Mri1hy1mWMqNTPGBee1+hw Qcp6n3mmGECvajs8G5A7NyXbwL8ihN7HX9D01ucD62b4G03yKe2g/hvKgcdUVmhCldJlF27I 2fSR9tDxH9pZqRODY4rjbFZEey/vWKXqjE+DQ8AtMSEaDfFe5D+i4Aw6erWQ3Wr+DwZt1/7G dIAElGA/q90T1ENVwJX9y7fsQssawKYYdDqURHCl5JuDXI+VXUypExipUUT5SPycMmbLsx0D iKEqPPDQWKxkIDVKqj2+EhamSuJznZUwBLJKn0h4zrIWiXWUy07lRwtVuhaDXhF3GfW+5W/x wAg7Qg3w00ASsb/XTHBIhMnenKDfS7ihtQA8SacwX8ySdxb+15XPyiplM979qBQ0mhnilulm MIJzEf/JxoYR5huuj4f1PFqqrsP06Dl+YGB7dQZp3IKggS5c3/TAynARRg9N89UsDXNtp7X0 tgIPFF5k6fnHE0J5O64GYHeTqN/1aE6dAEOV9WrGzQAJxU9ipikb8jKAWXzLewRIKGmoPcRZ WdB0NmIjmQARAQABiQI2BBgBCAAgFiEECiI5ofnW0cXtVi0Qj0Ig0RFr7IkFAl2J2awCGwwA CgkQj0Ig0RFr7IkkORAAl/NbX93WK5MEoRw7/DaPTo/Lo6Pj1XMeSqGyACigHK/452UDvlEH NjNJMzYYrNIjMtEmN9VVCfjT38CSca7mpGQVwchc0mC7QSPAETLCS+UacVf/Kwxz5FfkEUUw UT7A+uyVOIgW3d9ldlRzkHA2czonSSgTQU+i2g6DM4ha+BuQb4byAXH6HQHt/Zh1J64z0ohH v6iGsCzCY/sMWF8+LEGSnzMGRCLiiwSF0vJBHbzWK68fANaF4gBV0Z/+6tQRFN7YMhj/INmk qgvHj1ZzHFNtirjMGPRxoZs51YoLQM/aBPxKrnmXThx1ufH+0L6sGmFTugiDt0XSEkC5reH7 a+VhQ1VTFFQrClA8NmDSPzFeuhru4ryaaDHO+uEB16cNHxHrQtlP/2hts2JM5lwkZRWJ5A57 h8eDEIK5be47T85NVHfuTaboNRmgg1HygVejhGUtt69u/0MVRg/roUTa0FyEbNsvz4qAecyW yWzMcVrcGJDQLC9JLKEpoyUF6gdTKaiDL2Vao4+XRIA3Y57b6MO35a3HuzAv7+i5Z0mnDEJO XxXqTOmKYpMIGexzM/PtuA0712sT1abG9tAJ17ao/B7cqMW5IkKkalemFbWfI2unns4Papvo tk9igVqyp6EJDU98z5TJioCVojwK2laDaoIjTJk9YYv3iwCsqPd5feU= Message-ID: <6fefc30d-7703-5a11-dcfe-0bc517b8a60b@redhat.com> Date: Tue, 14 Jan 2020 18:10:15 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-MC-Unique: nIgfCRu5Og-1MiqNZJZ4vw-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH v2] 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" On 14/01/2020 09:18, Dekel Peled wrote: > 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 > 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.=20 Thanks for the effort to categorize it correctly. Even if it's not with the Fixes tag, can you add a reference in the commit log to the "Previous fix". It will provide context for someone reading this commit log and stable maintainer can at check if the previous commit is in a particular stable branch. Kevin. > --- >=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 * > =09=09} > =09} else { /* ind_tbl->type =3D=3D MLX5_IND_TBL_TYPE_DEVX */ > =09=09struct mlx5_devx_tir_attr tir_attr; > -=09=09struct mlx5_rx_hash_field_select *rx_hash_field_select; > =09=09uint32_t i; > =09=09uint32_t lro =3D 1; > =20 > @@ -2474,23 +2473,27 @@ struct mlx5_hrxq * > =09=09memset(&tir_attr, 0, sizeof(tir_attr)); > =09=09tir_attr.disp_type =3D MLX5_TIRC_DISP_TYPE_INDIRECT; > =09=09tir_attr.rx_hash_fn =3D MLX5_RX_HASH_FN_TOEPLITZ; > -#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT > =09=09tir_attr.tunneled_offload_en =3D !!tunnel; > -=09=09/* Translate hash_fields bitmap to PRM format. */ > -=09=09rx_hash_field_select =3D hash_fields & IBV_RX_HASH_INNER ? > -=09=09=09=09 &tir_attr.rx_hash_field_selector_inner : > -=09=09=09=09 &tir_attr.rx_hash_field_selector_outer; > +=09=09/* If needed, translate hash_fields bitmap to PRM format. */ > +=09=09if (hash_fields) { > +#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT > +=09=09=09struct mlx5_rx_hash_field_select *rx_hash_field_select =3D > +=09=09=09=09=09hash_fields & IBV_RX_HASH_INNER ? > +=09=09=09=09=09&tir_attr.rx_hash_field_selector_inner : > +=09=09=09=09=09&tir_attr.rx_hash_field_selector_outer; > #else > -=09=09rx_hash_field_select =3D &tir_attr.rx_hash_field_selector_outer; > +=09=09=09struct mlx5_rx_hash_field_select *rx_hash_field_select =3D > +=09=09=09=09=09&tir_attr.rx_hash_field_selector_outer; > #endif > -=09=09/* 1 bit: 0: IPv4, 1: IPv6. */ > -=09=09rx_hash_field_select->l3_prot_type =3D > -=09=09=09!!(hash_fields & MLX5_IPV6_IBV_RX_HASH); > -=09=09/* 1 bit: 0: TCP, 1: UDP. */ > -=09=09rx_hash_field_select->l4_prot_type =3D > -=09=09=09!!(hash_fields & MLX5_UDP_IBV_RX_HASH); > -=09=09/* Bitmask which sets which fields to use in RX Hash. */ > -=09=09rx_hash_field_select->selected_fields =3D > + > +=09=09=09/* 1 bit: 0: IPv4, 1: IPv6. */ > +=09=09=09rx_hash_field_select->l3_prot_type =3D > +=09=09=09=09!!(hash_fields & MLX5_IPV6_IBV_RX_HASH); > +=09=09=09/* 1 bit: 0: TCP, 1: UDP. */ > +=09=09=09rx_hash_field_select->l4_prot_type =3D > +=09=09=09=09!!(hash_fields & MLX5_UDP_IBV_RX_HASH); > +=09=09=09/* Bitmask which sets which fields to use in RX Hash. */ > +=09=09=09rx_hash_field_select->selected_fields =3D > =09=09=09((!!(hash_fields & MLX5_L3_SRC_IBV_RX_HASH)) << > =09=09=09 MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_SRC_IP) | > =09=09=09(!!(hash_fields & MLX5_L3_DST_IBV_RX_HASH)) << > @@ -2499,6 +2502,7 @@ struct mlx5_hrxq * > =09=09=09 MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_L4_SPORT | > =09=09=09(!!(hash_fields & MLX5_L4_DST_IBV_RX_HASH)) << > =09=09=09 MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_L4_DPORT; > +=09=09} > =09=09if (rxq_ctrl->obj->type =3D=3D MLX5_RXQ_OBJ_TYPE_DEVX_HAIRPIN) > =09=09=09tir_attr.transport_domain =3D priv->sh->td->id; > =09=09else >=20