From patchwork Wed Feb 14 04:17:46 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tyler Retzlaff X-Patchwork-Id: 136702 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 08A5043B1F; Wed, 14 Feb 2024 05:18:50 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 986E842F7D; Wed, 14 Feb 2024 05:18:06 +0100 (CET) Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mails.dpdk.org (Postfix) with ESMTP id 8B66C42F1F for ; Wed, 14 Feb 2024 05:17:53 +0100 (CET) Received: by linux.microsoft.com (Postfix, from userid 1086) id 2B52720B2009; Tue, 13 Feb 2024 20:17:51 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 2B52720B2009 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1707884272; bh=uf05fKr8e3MjtIOstPHr6rG8ICzwl3PhBVvDHMVxdDI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=apA77QrgltqntTXkKAYzs0zWdx8jAhIukO41Fa46RIXhJwOWOaT/RpO2407ZWA1hn JqElsq3tvAz/8otXt1SL7DNGNiaeFKVxN4X5IoGeQ5vOKHkHqJS0ZGMzrrF78bmf79 99kLbm0BaSUbRhz9/OoSsbjj6gMRr++cSTAlmE/g= From: Tyler Retzlaff To: dev@dpdk.org Cc: Andrew Rybchenko , Bruce Richardson , Chengwen Feng , Cristian Dumitrescu , David Christensen , David Hunt , Ferruh Yigit , Honnappa Nagarahalli , Jasvinder Singh , Jerin Jacob , Kevin Laatz , Konstantin Ananyev , Min Zhou , Ruifeng Wang , Sameh Gobriel , Stanislaw Kardach , Thomas Monjalon , Vladimir Medvedkin , Yipeng Wang , Tyler Retzlaff Subject: [PATCH v2 10/14] ethdev: use C11 alignas Date: Tue, 13 Feb 2024 20:17:46 -0800 Message-Id: <1707884270-27189-11-git-send-email-roretzla@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1707884270-27189-1-git-send-email-roretzla@linux.microsoft.com> References: <1707873986-29352-1-git-send-email-roretzla@linux.microsoft.com> <1707884270-27189-1-git-send-email-roretzla@linux.microsoft.com> 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 * Move __rte_aligned from the end of {struct,union} definitions to be between {struct,union} and tag. The placement between {struct,union} and the tag allows the desired alignment to be imparted on the type regardless of the toolchain being used for all of GCC, LLVM, MSVC compilers building both C and C++. * Replace use of __rte_aligned(a) on variables/fields with alignas(a). Signed-off-by: Tyler Retzlaff --- lib/ethdev/rte_ethdev.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/ethdev/rte_ethdev.h b/lib/ethdev/rte_ethdev.h index 21e3a21..f7ce047 100644 --- a/lib/ethdev/rte_ethdev.h +++ b/lib/ethdev/rte_ethdev.h @@ -333,12 +333,12 @@ struct rte_eth_stats { * A structure used to retrieve link-level information of an Ethernet port. */ __extension__ -struct rte_eth_link { +struct __rte_aligned(8) rte_eth_link { uint32_t link_speed; /**< RTE_ETH_SPEED_NUM_ */ uint16_t link_duplex : 1; /**< RTE_ETH_LINK_[HALF/FULL]_DUPLEX */ uint16_t link_autoneg : 1; /**< RTE_ETH_LINK_[AUTONEG/FIXED] */ uint16_t link_status : 1; /**< RTE_ETH_LINK_[DOWN/UP] */ -} __rte_aligned(8); /**< aligned for atomic64 read/write */ +}; /**< aligned for atomic64 read/write */ /**@{@name Link negotiation * Constants used in link management.