From patchwork Wed Feb 14 01:26:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tyler Retzlaff X-Patchwork-Id: 136692 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 2592643B21; Wed, 14 Feb 2024 02:28:06 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 9925542F27; Wed, 14 Feb 2024 02:26:46 +0100 (CET) Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mails.dpdk.org (Postfix) with ESMTP id 2E7FB42E76 for ; Wed, 14 Feb 2024 02:26:30 +0100 (CET) Received: by linux.microsoft.com (Postfix, from userid 1086) id 9D0E520B200A; Tue, 13 Feb 2024 17:26:28 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 9D0E520B200A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1707873988; bh=uf05fKr8e3MjtIOstPHr6rG8ICzwl3PhBVvDHMVxdDI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XlR3WF+Z51NVE0N2NgSwZ3Ru0DV88yC96aZUgGd1OH2mvcbZe2RN+//JZjvLJ+5Tm 19z2Zobfx3ifhjouon0QHfdIb9o554aUT/IdQt/18G2PE2iNh4uTS98UfuTcFjsafJ wO0T7Bf3fKz49o6K3bbVXKI2Br8Z8i+kpEoCgzOo= 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 10/14] ethdev: use C11 alignas Date: Tue, 13 Feb 2024 17:26:22 -0800 Message-Id: <1707873986-29352-11-git-send-email-roretzla@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1707873986-29352-1-git-send-email-roretzla@linux.microsoft.com> References: <1707873986-29352-1-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.