From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by dpdk.org (Postfix) with ESMTP id 97D041B2AF for ; Thu, 11 Oct 2018 12:14:35 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Oct 2018 03:14:35 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,368,1534834800"; d="scan'208";a="77951523" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.49]) ([10.237.221.49]) by fmsmga008.fm.intel.com with ESMTP; 11 Oct 2018 03:14:27 -0700 To: Adrien Mazarguil Cc: Ori Kam , Mordechay Haimovsky , Shahaf Shuler , "orika@contextream.com" , "dev@dpdk.org" References: <1538926667-23009-1-git-send-email-motih@mellanox.com> <1538929311-31815-1-git-send-email-motih@mellanox.com> <1b66f1f8-8eda-19ce-b7ca-04cc3463f3ab@intel.com> <20181009135406.GJ18937@6wind.com> From: Ferruh Yigit Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20181009135406.GJ18937@6wind.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH v1] ethdev: fix flow API item/action name conversion 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: , X-List-Received-Date: Thu, 11 Oct 2018 10:14:36 -0000 On 10/9/2018 2:54 PM, Adrien Mazarguil wrote: > Hi, > > Jumping in although I cannot spend much time on rte_flow at the moment, > please see below. > > On Tue, Oct 09, 2018 at 02:21:23PM +0100, Ferruh Yigit wrote: >> On 10/7/2018 5:31 PM, Ori Kam wrote: >>> >>> >>>> -----Original Message----- >>>> From: dev On Behalf Of Mordechay Haimovsky >>>> Sent: Sunday, October 7, 2018 7:22 PM >>>> To: Adrien Mazarguil ; Shahaf Shuler >>>> ; orika@contextream.com >>>> Cc: dev@dpdk.org; Mordechay Haimovsky >>>> Subject: [dpdk-dev] [PATCH v1] ethdev: fix flow API item/action name >>>> conversion >>>> >>>> This patch fixes a typecast bug found in rte_flow_conv_name routine >>>> used in rte_flow item/action name conversion. >>>> >>>> Fixes: 0c2640cbfa7a ("ethdev: add flow API item/action name conversion") >>>> >>>> Signed-off-by: Moti Haimovsky >> <...> >>> Acked-by: Ori Kam >> >> Series applied to dpdk-next-net/master, thanks. >> >> (please confirm latest next-net head) > > Please revert, it breaks something that didn't need to be fixed. I don't > think this patch was validated properly. > > As documented in RTE_FLOW_CONV_OP_ITEM_NAME, RTE_FLOW_CONV_OP_ACTION_NAME, > RTE_FLOW_CONV_OP_ITEM_NAME_PTR and RTE_FLOW_CONV_OP_ACTION_NAME_PTR: > > @p src type: > @code (const void *)enum rte_flow_item_type @endcode > > With the following reminder in rte_flow_conv_name()'s Doxygen documentation: > > @param[in] src > Depending on @p is_action, source pattern item or action type cast as a > pointer. > > Hence the original conversion results in the expected behavior while this > one is almost guaranteed to trigger a segfault: > > - unsigned int type = (uintptr_t)src; > + unsigned int type = *(const unsigned int *)src; > > This can be validated with testpmd. See what happens with "flow list". Thanks Adrien, patch has been reverted on next-net.