From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id D12E7A0A0C; Mon, 2 Aug 2021 21:20:52 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id BD6C841147; Mon, 2 Aug 2021 21:20:52 +0200 (CEST) Received: from shelob.oktetlabs.ru (shelob.oktetlabs.ru [91.220.146.113]) by mails.dpdk.org (Postfix) with ESMTP id D454D40140 for ; Mon, 2 Aug 2021 21:20:51 +0200 (CEST) Received: from [192.168.100.116] (unknown [37.139.99.76]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by shelob.oktetlabs.ru (Postfix) with ESMTPSA id 3DF317F4DA; Mon, 2 Aug 2021 22:20:51 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 shelob.oktetlabs.ru 3DF317F4DA DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=oktetlabs.ru; s=default; t=1627932051; bh=XiRvYxH1pdsHflYXMwlKrwn1tL3RaxSWnwO2vC8MF0s=; h=Subject:To:Cc:References:From:Date:In-Reply-To; b=QhTyFu+2rL9KudW88iownSKich9Hx6cA5drDJhtrjKkMknSErAziq3788fAzbE3l9 hWpJDrxThH7nfI7oEe7aMkdmvN873VrWHbJftk6nzy7H8Sd0kzbvS1SgJ4LTudUuZt Jxra1m6ZO4OflHBCpzXSdk1M1+JCju4AtEAPBE38= To: Harman Kalra , jerinj@marvell.com, david.marchand@redhat.com, thomas@monjalon.net, Ray Kinsella Cc: dev@dpdk.org References: <20210802160352.135754-1-hkalra@marvell.com> From: Andrew Rybchenko Message-ID: <767555c1-3973-1df8-608f-1a80d650db92@oktetlabs.ru> Date: Mon, 2 Aug 2021 22:20:49 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: <20210802160352.135754-1-hkalra@marvell.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH] doc: announce: make rte intr handle internal X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 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 8/2/21 7:03 PM, Harman Kalra wrote: > Moving struct rte_intr_handle as an internal structure to > avoid any ABI breakages in future. Since this structure defines > some static arrays and changing respective macros breaks the ABI. > Eg: > Currently RTE_MAX_RXTX_INTR_VEC_ID imposes a limit of maximum 512 > MSI-X interrupts that can be defined for a PCI device, while PCI > specification allows maximum 2048 MSI-X interrupts that can be used. > If some PCI device requires more than 512 vectors, either change the > RTE_MAX_RXTX_INTR_VEC_ID limit or dynamically allocate based on > PCI device MSI-X size on probe time. Either way its an ABI breakage. > > Discussion thread: > https://mails.dpdk.org/archives/dev/2021-March/202959.html > > Change already included in 21.11 ABI improvement spreadsheet (item 42): > https://docs.google.com/spreadsheets/d/1betlC000ua5SsSiJIcC54mCCCJnW6voH5Dqv9UxeyfE/edit#gid=0 > > Signed-off-by: Harman Kalra Acked-by: Andrew Rybchenko