From patchwork Tue May 23 07:32:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 13251662 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 367F4C77B75 for ; Tue, 23 May 2023 07:38:31 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q1MXT-0003sY-Kw; Tue, 23 May 2023 03:34:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q1MXP-0003dZ-8n for qemu-devel@nongnu.org; Tue, 23 May 2023 03:34:32 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q1MXE-0004NW-Nf for qemu-devel@nongnu.org; Tue, 23 May 2023 03:34:22 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1684827260; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=D0rQG7Pqk8YsOYJmLpQbe/gtWZmE8jt1HUKmR30Mvtg=; b=PWjg2ig+tAVt/Qhh+tw/dtpJbA0FZapT/+DdfyBCRZ0b7evBDDTUcAdZEFdQwxeBAJAWbr 9HVSNSg0P01VbHDgiUjs5IyGyn0sOjwXzdP9q2ioL67CM/2IcnGgF3Rb40Mg8ySB0Vlxm3 jOXXxqeSN0XaURfv/1xNJjJ+8MxjHZg= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-632-BHXsQbabO5a3Iq1C9jUhrQ-1; Tue, 23 May 2023 03:34:16 -0400 X-MC-Unique: BHXsQbabO5a3Iq1C9jUhrQ-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 3876629DD984; Tue, 23 May 2023 07:34:16 +0000 (UTC) Received: from localhost.localdomain (ovpn-12-45.pek2.redhat.com [10.72.12.45]) by smtp.corp.redhat.com (Postfix) with ESMTP id E8D772166B25; Tue, 23 May 2023 07:34:13 +0000 (UTC) From: Jason Wang To: qemu-devel@nongnu.org, peter.maydell@linaro.org Cc: Akihiko Odaki , =?utf-8?q?Philippe_Mathieu-Dau?= =?utf-8?q?d=C3=A9?= , Jason Wang Subject: [PULL 31/50] net/eth: Use void pointers Date: Tue, 23 May 2023 15:32:19 +0800 Message-Id: <20230523073238.54236-32-jasowang@redhat.com> In-Reply-To: <20230523073238.54236-1-jasowang@redhat.com> References: <20230523073238.54236-1-jasowang@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 Received-SPF: pass client-ip=170.10.133.124; envelope-from=jasowang@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Akihiko Odaki The uses of uint8_t pointers were misleading as they are never accessed as an array of octets and it even require more strict alignment to access as struct eth_header. Signed-off-by: Akihiko Odaki Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Jason Wang --- include/net/eth.h | 4 ++-- net/eth.c | 6 +++--- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/include/net/eth.h b/include/net/eth.h index 05f5693..95ff24d 100644 --- a/include/net/eth.h +++ b/include/net/eth.h @@ -342,12 +342,12 @@ eth_get_pkt_tci(const void *p) size_t eth_strip_vlan(const struct iovec *iov, int iovcnt, size_t iovoff, - uint8_t *new_ehdr_buf, + void *new_ehdr_buf, uint16_t *payload_offset, uint16_t *tci); size_t eth_strip_vlan_ex(const struct iovec *iov, int iovcnt, size_t iovoff, - uint16_t vet, uint8_t *new_ehdr_buf, + uint16_t vet, void *new_ehdr_buf, uint16_t *payload_offset, uint16_t *tci); uint16_t diff --git a/net/eth.c b/net/eth.c index b6ff89c..f7ffbda 100644 --- a/net/eth.c +++ b/net/eth.c @@ -226,11 +226,11 @@ void eth_get_protocols(const struct iovec *iov, size_t iovcnt, size_t iovoff, size_t eth_strip_vlan(const struct iovec *iov, int iovcnt, size_t iovoff, - uint8_t *new_ehdr_buf, + void *new_ehdr_buf, uint16_t *payload_offset, uint16_t *tci) { struct vlan_header vlan_hdr; - struct eth_header *new_ehdr = (struct eth_header *) new_ehdr_buf; + struct eth_header *new_ehdr = new_ehdr_buf; size_t copied = iov_to_buf(iov, iovcnt, iovoff, new_ehdr, sizeof(*new_ehdr)); @@ -276,7 +276,7 @@ eth_strip_vlan(const struct iovec *iov, int iovcnt, size_t iovoff, size_t eth_strip_vlan_ex(const struct iovec *iov, int iovcnt, size_t iovoff, - uint16_t vet, uint8_t *new_ehdr_buf, + uint16_t vet, void *new_ehdr_buf, uint16_t *payload_offset, uint16_t *tci) { struct vlan_header vlan_hdr;