From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.0 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, 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 F0955C04AB5 for ; Thu, 6 Jun 2019 20:59:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C517D208C3 for ; Thu, 6 Jun 2019 20:59:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727769AbfFFU7u (ORCPT ); Thu, 6 Jun 2019 16:59:50 -0400 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:47764 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726656AbfFFU7r (ORCPT ); Thu, 6 Jun 2019 16:59:47 -0400 Received: from pps.filterd (m0089730.ppops.net [127.0.0.1]) by m0089730.ppops.net (8.16.0.27/8.16.0.27) with SMTP id x56KwOrM009812 for ; Thu, 6 Jun 2019 13:59:46 -0700 Received: from maileast.thefacebook.com ([163.114.130.16]) by m0089730.ppops.net with ESMTP id 2sy71g0udx-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Thu, 06 Jun 2019 13:59:46 -0700 Received: from mx-out.facebook.com (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:82::d) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Thu, 6 Jun 2019 13:59:45 -0700 Received: by devvm34215.prn1.facebook.com (Postfix, from userid 172786) id C86C423327D58; Thu, 6 Jun 2019 13:59:43 -0700 (PDT) Smtp-Origin-Hostprefix: devvm From: Jonathan Lemon Smtp-Origin-Hostname: devvm34215.prn1.facebook.com To: , , , , , CC: , Smtp-Origin-Cluster: prn1c35 Subject: [PATCH v5 3/4] tools/bpf: Add bpf_map_lookup_elem selftest for xskmap Date: Thu, 6 Jun 2019 13:59:42 -0700 Message-ID: <20190606205943.818795-4-jonathan.lemon@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190606205943.818795-1-jonathan.lemon@gmail.com> References: <20190606205943.818795-1-jonathan.lemon@gmail.com> X-FB-Internal: Safe MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-06-06_14:,, signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1034 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=654 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906060142 X-FB-Internal: deliver Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Check that bpf_map_lookup_elem lookup and structure access operats correctly. Signed-off-by: Jonathan Lemon --- tools/testing/selftests/bpf/verifier/sock.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/tools/testing/selftests/bpf/verifier/sock.c b/tools/testing/selftests/bpf/verifier/sock.c index b31cd2cf50d0..9ed192e14f5f 100644 --- a/tools/testing/selftests/bpf/verifier/sock.c +++ b/tools/testing/selftests/bpf/verifier/sock.c @@ -498,3 +498,21 @@ .result = REJECT, .errstr = "cannot pass map_type 24 into func bpf_map_lookup_elem", }, +{ + "bpf_map_lookup_elem(xskmap, &key); xs->queue_id", + .insns = { + BPF_ST_MEM(BPF_W, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), + BPF_EXIT_INSN(), + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_xdp_sock, queue_id)), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map_xskmap = { 3 }, + .prog_type = BPF_PROG_TYPE_XDP, + .result = ACCEPT, +}, -- 2.17.1