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 EA865A04AD; Fri, 1 May 2020 17:28:31 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 8DAD01DA0A; Fri, 1 May 2020 17:28:31 +0200 (CEST) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by dpdk.org (Postfix) with ESMTP id EE6881DA08 for ; Fri, 1 May 2020 17:28:29 +0200 (CEST) IronPort-SDR: 5m1By4CG72vusMNHiWXrGJOnF3cbyf7BaX93N1JGITU0bsRZo+UK76D/ibImvY+jSH9GuWBjgZ 5SQt7QyfnIfw== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 May 2020 08:28:29 -0700 IronPort-SDR: 7SZhdO4OZEWa3xIbTtOmGqQY3/BfcsUmwt68IU3JFjLCMTGWrzq/AR6TRyXOKtBL84ybqJuwVq MhxBr5KfU1pA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,339,1583222400"; d="scan'208";a="459936033" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.252.12.222]) ([10.252.12.222]) by fmsmga005.fm.intel.com with ESMTP; 01 May 2020 08:28:26 -0700 To: Michal Krawczyk , dev@dpdk.org Cc: mw@semihalf.com, mba@semihalf.com, gtzalik@amazon.com, evgenys@amazon.com, igorch@amazon.com, arybchenko@solarflare.com, Thomas Monjalon , David Christensen , David Marchand References: <20200408082921.31000-1-mk@semihalf.com> <20200408082921.31000-5-mk@semihalf.com> From: Ferruh Yigit Autocrypt: addr=ferruh.yigit@intel.com; prefer-encrypt=mutual; keydata= mQINBFXZCFABEADCujshBOAaqPZpwShdkzkyGpJ15lmxiSr3jVMqOtQS/sB3FYLT0/d3+bvy qbL9YnlbPyRvZfnP3pXiKwkRoR1RJwEo2BOf6hxdzTmLRtGtwWzI9MwrUPj6n/ldiD58VAGQ +iR1I/z9UBUN/ZMksElA2D7Jgg7vZ78iKwNnd+vLBD6I61kVrZ45Vjo3r+pPOByUBXOUlxp9 GWEKKIrJ4eogqkVNSixN16VYK7xR+5OUkBYUO+sE6etSxCr7BahMPKxH+XPlZZjKrxciaWQb +dElz3Ab4Opl+ZT/bK2huX+W+NJBEBVzjTkhjSTjcyRdxvS1gwWRuXqAml/sh+KQjPV1PPHF YK5LcqLkle+OKTCa82OvUb7cr+ALxATIZXQkgmn+zFT8UzSS3aiBBohg3BtbTIWy51jNlYdy ezUZ4UxKSsFuUTPt+JjHQBvF7WKbmNGS3fCid5Iag4tWOfZoqiCNzxApkVugltxoc6rG2TyX CmI2rP0mQ0GOsGXA3+3c1MCdQFzdIn/5tLBZyKy4F54UFo35eOX8/g7OaE+xrgY/4bZjpxC1 1pd66AAtKb3aNXpHvIfkVV6NYloo52H+FUE5ZDPNCGD0/btFGPWmWRmkPybzColTy7fmPaGz cBcEEqHK4T0aY4UJmE7Ylvg255Kz7s6wGZe6IR3N0cKNv++O7QARAQABtCVGZXJydWggWWln aXQgPGZlcnJ1aC55aWdpdEBpbnRlbC5jb20+iQJsBBMBCgBWAhsDAh4BAheABQsJCAcDBRUK CQgLBRYCAwEABQkKqZZ8FiEE0jZTh0IuwoTjmYHH+TPrQ98TYR8FAl6ha3sXGHZrczovL2tl eXMub3BlbnBncC5vcmcACgkQ+TPrQ98TYR8uLA//QwltuFliUWe60xwmu9sY38c1DXvX67wk UryQ1WijVdIoj4H8cf/s2KtyIBjc89R254KMEfJDao/LrXqJ69KyGKXFhFPlF3VmFLsN4XiT PSfxkx8s6kHVaB3O183p4xAqnnl/ql8nJ5ph9HuwdL8CyO5/7dC/MjZ/mc4NGq5O9zk3YRGO lvdZAp5HW9VKW4iynvy7rl3tKyEqaAE62MbGyfJDH3C/nV/4+mPc8Av5rRH2hV+DBQourwuC ci6noiDP6GCNQqTh1FHYvXaN4GPMHD9DX6LtT8Fc5mL/V9i9kEVikPohlI0WJqhE+vQHFzR2 1q5nznE+pweYsBi3LXIMYpmha9oJh03dJOdKAEhkfBr6n8BWkWQMMiwfdzg20JX0o7a/iF8H 4dshBs+dXdIKzPfJhMjHxLDFNPNH8zRQkB02JceY9ESEah3wAbzTwz+e/9qQ5OyDTQjKkVOo cxC2U7CqeNt0JZi0tmuzIWrfxjAUulVhBmnceqyMOzGpSCQIkvalb6+eXsC9V1DZ4zsHZ2Mx Hi+7pCksdraXUhKdg5bOVCt8XFmx1MX4AoV3GWy6mZ4eMMvJN2hjXcrreQgG25BdCdcxKgqp e9cMbCtF+RZax8U6LkAWueJJ1QXrav1Jk5SnG8/5xANQoBQKGz+yFiWcgEs9Tpxth15o2v59 gXK5Ag0EV9ZMvgEQAKc0Db17xNqtSwEvmfp4tkddwW9XA0tWWKtY4KUdd/jijYqc3fDD54ES YpV8QWj0xK4YM0dLxnDU2IYxjEshSB1TqAatVWz9WtBYvzalsyTqMKP3w34FciuL7orXP4Ai bPtrHuIXWQOBECcVZTTOdZYGAzaYzxiAONzF9eTiwIqe9/oaOjTwTLnOarHt16QApTYQSnxD UQljeNvKYt1lZE/gAUUxNLWsYyTT+22/vU0GDUahsJxs1+f1yEr+OGrFiEAmqrzpF0lCS3f/ 3HVTU6rS9cK3glVUeaTF4+1SK5ZNO35piVQCwphmxa+dwTG/DvvHYCtgOZorTJ+OHfvCnSVj sM4kcXGjJPy3JZmUtyL9UxEbYlrffGPQI3gLXIGD5AN5XdAXFCjjaID/KR1c9RHd7Oaw0Pdc q9UtMLgM1vdX8RlDuMGPrj5sQrRVbgYHfVU/TQCk1C9KhzOwg4Ap2T3tE1umY/DqrXQgsgH7 1PXFucVjOyHMYXXugLT8YQ0gcBPHy9mZqw5mgOI5lCl6d4uCcUT0l/OEtPG/rA1lxz8ctdFB VOQOxCvwRG2QCgcJ/UTn5vlivul+cThi6ERPvjqjblLncQtRg8izj2qgmwQkvfj+h7Ex88bI 8iWtu5+I3K3LmNz/UxHBSWEmUnkg4fJlRr7oItHsZ0ia6wWQ8lQnABEBAAGJAjwEGAEKACYC GwwWIQTSNlOHQi7ChOOZgcf5M+tD3xNhHwUCXqFrngUJCKxSYAAKCRD5M+tD3xNhH3YWD/9b cUiWaHJasX+OpiuZ1Li5GG3m9aw4lR/k2lET0UPRer2Jy1JsL+uqzdkxGvPqzFTBXgx/6Byz EMa2mt6R9BCyR286s3lxVS5Bgr5JGB3EkpPcoJT3A7QOYMV95jBiiJTy78Qdzi5LrIu4tW6H o0MWUjpjdbR01cnj6EagKrDx9kAsqQTfvz4ff5JIFyKSKEHQMaz1YGHyCWhsTwqONhs0G7V2 0taQS1bGiaWND0dIBJ/u0pU998XZhmMzn765H+/MqXsyDXwoHv1rcaX/kcZIcN3sLUVcbdxA WHXOktGTQemQfEpCNuf2jeeJlp8sHmAQmV3dLS1R49h0q7hH4qOPEIvXjQebJGs5W7s2vxbA 5u5nLujmMkkfg1XHsds0u7Zdp2n200VC4GQf8vsUp6CSMgjedHeF9zKv1W4lYXpHp576ZV7T GgsEsvveAE1xvHnpV9d7ZehPuZfYlP4qgo2iutA1c0AXZLn5LPcDBgZ+KQZTzm05RU1gkx7n gL9CdTzVrYFy7Y5R+TrE9HFUnsaXaGsJwOB/emByGPQEKrupz8CZFi9pkqPuAPwjN6Wonokv ChAewHXPUadcJmCTj78Oeg9uXR6yjpxyFjx3vdijQIYgi5TEGpeTQBymLANOYxYWYOjXk+ae dYuOYKR9nbPv+2zK9pwwQ2NXbUBystaGyQ== Message-ID: <1b5af199-684b-c49f-024f-1ba27c4279b6@intel.com> Date: Fri, 1 May 2020 16:28:25 +0100 MIME-Version: 1.0 In-Reply-To: <20200408082921.31000-5-mk@semihalf.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [PATCH v3 04/30] net/ena/base: generate default, random RSS hash key X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 4/8/2020 9:28 AM, Michal Krawczyk wrote: > Although the RSS key still cannot be set, it is now being generated > every time the driver is being initialized. > > Multiple devices can still have the same key if they're used by the same > driver. > > Signed-off-by: Michal Krawczyk > Reviewed-by: Igor Chauskin > Reviewed-by: Guy Tzalik <...> > @@ -256,6 +256,23 @@ static const struct eth_dev_ops ena_dev_ops = { > .reta_query = ena_rss_reta_query, > }; > > +void ena_rss_key_fill(void *key, size_t size) > +{ > + static bool key_generated; > + static uint8_t default_key[ENA_HASH_KEY_SIZE]; > + size_t i; > + > + RTE_ASSERT(size <= ENA_HASH_KEY_SIZE); > + > + if (!key_generated) { > + for (i = 0; i < ENA_HASH_KEY_SIZE; ++i) > + default_key[i] = rte_rand() & 0xff; > + key_generated = true; > + } > + > + rte_memcpy(key, default_key, size); > +} > + I have updated PPC cross compiler [1] and now getting following build error [2]. cc'ed David from IBM too. Can you please check this? [1] powerpc64le-linux-gcc.br_real (Buildroot 2020.02-00011-g7ea8a52) 9.3.0 [2] https://pastebin.com/h70uFJmm In file included from /.../dpdk/_ppc_64-power8-linuxapp-gcc/include/rte_ether.h:21, from /.../dpdk/drivers/net/ena/ena_ethdev.c:7: /.../dpdk/drivers/net/ena/ena_ethdev.c: In function ‘ena_rss_key_fill’: /.../dpdk/_ppc_64-power8-linuxapp-gcc/include/rte_memcpy.h:47:2: error: array subscript 3 is outside array bounds of ‘uint8_t[40]’ {aka ‘unsigned char[40]’} [-Werror=array-bounds] 47 | vec_vsx_st(vec_vsx_ld(48, src), 48, dst); | ^~~~~~~~~~ /.../dpdk/drivers/net/ena/ena_ethdev.c:277:17: note: while referencing ‘default_key’ 277 | static uint8_t default_key[ENA_HASH_KEY_SIZE]; | ^~~~~~~~~~~ In file included from /.../dpdk/_ppc_64-power8-linuxapp-gcc/include/rte_ether.h:21, from /.../dpdk/drivers/net/ena/ena_ethdev.c:7: /.../dpdk/_ppc_64-power8-linuxapp-gcc/include/rte_memcpy.h:47:2: error: array subscript [3, 7] is outside array bounds of ‘uint8_t[40]’ {aka ‘unsigned char[40]’} [-Werror=array-bounds] 47 | vec_vsx_st(vec_vsx_ld(48, src), 48, dst); | ^~~~~~~~~~ /.../dpdk/drivers/net/ena/ena_ethdev.c:277:17: note: while referencing ‘default_key’ 277 | static uint8_t default_key[ENA_HASH_KEY_SIZE]; | ^~~~~~~~~~~