From patchwork Wed May 6 13:21:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomas Krcka X-Patchwork-Id: 283303 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.3 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D3578C38A2A for ; Wed, 6 May 2020 14:09:32 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 9ECC320746 for ; Wed, 6 May 2020 14:09:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="d79E/UnJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9ECC320746 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:45664 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jWKjr-0003rj-MF for qemu-devel@archiver.kernel.org; Wed, 06 May 2020 10:09:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44276) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jWK0B-0005UG-0v; Wed, 06 May 2020 09:22:19 -0400 Received: from mail-wm1-x341.google.com ([2a00:1450:4864:20::341]:51804) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jWK0A-0002t9-37; Wed, 06 May 2020 09:22:18 -0400 Received: by mail-wm1-x341.google.com with SMTP id x4so2588949wmj.1; Wed, 06 May 2020 06:22:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=MiTwX4MgDgiYSjlKlgkiylZjsvmQSPuFFt2g/0XQ1tU=; b=d79E/UnJR8m9jOQS0h8TkOuX/70Z6xwSUV5g87ALwPUti/SdsFhGVc25hyJ1dpt85i gXEWBj5az2yXckLPQt05k/2/QHcRVC+yADLYAV9TdhBrOMoEkAN7G3SmJAmPPkiSQ41I dWwyObjjmWxS3onz2080yyUM+efiqSVYY1RphsQmWcw6IeeMDFMDiKdDYv+M21il+Wu7 1/kEw9UMpHofSauh1q12hjTDICJaKuHiwZ9xTdAoqCXaLLW+F7u5qHRDG6l3R3EGZXSw LZ0h5tfEZhRcoZ21OxLHcUnnjXCTQqVOlM9YqX3xuagkEbDZuObaEVuUcC4S1FGiEeNo ha+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=MiTwX4MgDgiYSjlKlgkiylZjsvmQSPuFFt2g/0XQ1tU=; b=QiaScfcnYOUA+Xr1K9/tnKq5AtnXFUo02gWwCv4jW1KZiBcRnTWb4ROCJDhCRybFqo wWHmTFIQUD5x9pGxhAHDIUhpil7ImwqZVTktp5udmMgY+mW81JpZKRJf+gf+y+reGEAG i16St63kf+U7zQNzHmt183jqDO4/zgapVn4R4GzL527Q5AYjovR4K3kazAYFbC9MJs5B fmrUjsy9KnU28wUhW/ZvWMEsUFddpNvmExdUqqdOcOXMEmKCf0bVOokLgxx+9+EITwi+ BcRGujKTA65R2jk1qgGAt2Kx/GUVnvETYzWw7pDnUu3K/1XBOngrGkwsOP4gWoOwqHwe T8PQ== X-Gm-Message-State: AGi0PubklQvKF1+bs55x+08zBRyycufM13zYBO4JxymWneil3/wmwocY uG80TkBzQZMyC8WPs8qOYsPNSPh0MvuA3A76 X-Google-Smtp-Source: APiQypIUu09XDxvtdSjmV1gAWRN2o5sWbVuxt4Jq0jgiNgWyIYPR53nMMgVPgDGkmGKWLDzAAjpi4Q== X-Received: by 2002:a1c:f306:: with SMTP id q6mr4323071wmq.169.1588771335591; Wed, 06 May 2020 06:22:15 -0700 (PDT) Received: from localhost.localdomain ([2a02:8070:e292:7300:cd4e:b210:1388:63d6]) by smtp.gmail.com with ESMTPSA id h74sm2185392wrh.76.2020.05.06.06.22.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 May 2020 06:22:14 -0700 (PDT) From: Tomas Krcka To: qemu-devel@nongnu.org Subject: [PATCH 1/2] linux-user: add do_setsockopt SOL_CAN_RAW CAN_RAW_FILTER support Date: Wed, 6 May 2020 15:21:13 +0200 Message-Id: <20200506132114.76406-1-tomas.krcka@gmail.com> X-Mailer: git-send-email 2.17.1 Received-SPF: pass client-ip=2a00:1450:4864:20::341; envelope-from=tomas.krcka@gmail.com; helo=mail-wm1-x341.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-Mailman-Approved-At: Wed, 06 May 2020 10:08:27 -0400 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-trivial@nongnu.org, Riku Voipio , Laurent Vivier , Tomas Krcka Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Tomas Krcka --- linux-user/syscall.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 05f03919ff..88d4c85b70 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -56,6 +56,7 @@ #include #include #include +#include #include #include #ifdef CONFIG_TIMERFD @@ -2111,6 +2112,39 @@ static abi_long do_setsockopt(int sockfd, int level, int optname, goto unimplemented; } break; + case SOL_CAN_RAW: + switch (optname) { + case CAN_RAW_FILTER: + { + if (optlen % sizeof(struct can_filter) != 0) { + return -TARGET_EINVAL; + } + + struct can_filter *can_filters = NULL; + if (optlen != 0) { + can_filters = g_new0(struct can_filter, optlen); + + if (!can_filters) { + return -TARGET_ENOMEM; + } + if (copy_from_user(can_filters, optval_addr, optlen)) { + g_free(can_filters); + return -TARGET_EFAULT; + } + for (val = 0; val < optlen / sizeof(struct can_filter); val++) { + can_filters[val].can_id = tswap32(can_filters[val].can_id); + can_filters[val].can_mask = tswap32(can_filters[val].can_mask); + } + } + ret = get_errno(setsockopt(sockfd, level, optname, + can_filters, optlen)); + g_free(can_filters); + break; + } + default: + goto unimplemented; + } + break; case SOL_RAW: switch (optname) { case ICMP_FILTER: