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=-16.6 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL 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 AD662C04AA7 for ; Mon, 13 May 2019 18:54:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 83AAD2085A for ; Mon, 13 May 2019 18:54:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="NA/FjXgZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728933AbfEMSyJ (ORCPT ); Mon, 13 May 2019 14:54:09 -0400 Received: from mail-oi1-f201.google.com ([209.85.167.201]:54569 "EHLO mail-oi1-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728879AbfEMSyI (ORCPT ); Mon, 13 May 2019 14:54:08 -0400 Received: by mail-oi1-f201.google.com with SMTP id a196so4505573oii.21 for ; Mon, 13 May 2019 11:54:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=ok8guVD0V5J+/Id0PgLrhseD+VuX/OMfP1RhhNrJ29o=; b=NA/FjXgZpugDr7WpeNL0OJpq9gkSaObz1KX4mj/B5eF2O7mbF15+evo1GGcOXHWVBY fS+oCwJp8BwTQttVADgHenSTtustg2XwnU3jsI6UrDPH3gK06kpX2/ZKH8dObqYq7XS0 DDWKBq56fwlewTEVhsmDQfNmnfYPtJy4GX+4aXxauQB4WSq2aK7YpZHFIo6L4WslL/70 xQ3pgpSwpedRx7fg1s5FYvmqtY5P0NJlPmzMOOKrHhGFcLmip90TMKQAQ9DBDZG3Egwa Tep6HLHwjkU9+opDGY99dHWRfNStdWEUcAcfOSArITqm08BmML7cVYQppZpfOfGZdxX5 0Nwg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=ok8guVD0V5J+/Id0PgLrhseD+VuX/OMfP1RhhNrJ29o=; b=ZPKhSApLuQxJcjiB2gipfQs6MkYi1zNZjR2kmq2fyRRbMpkZQ+Ca+iLNWAUZtzTSpF X2aBojKqrGF5dQ19tC3Xgcdr7LX7KgCNVHhzTRMC2bw2ylySBQ322dZkbGbsLkDLmLF3 Gnlmn7jNa79+ZcLz6HmQwCFGFiu+sBxrNiQxQNe/XDW9KOOxNjje9FH+i89ZZYJF3WES TQug39MvXtiZJJmOTbG6j3EPxS8fBRnXBAljP0wvpR3k9FHihZ9mNjDxUXQGXXdVXgKs n+/+PuoI+Pcmoyowin7ecQcA/H8BRxKsPKOu98TjPe4Is+/FdSToZgFi4Ke19rAaN2WC TzYg== X-Gm-Message-State: APjAAAUOO3WuhgPIPFRLNa9jLRsnIt5O5TYcGK4hzi7L7qpweIDtRH4v ty5BfuHHBJltfNmcs24JvJt8QNs= X-Google-Smtp-Source: APXvYqwY0tusSpb8Cczy3tk0s4Bzv9pouPUhh+cmkNpLDlF9KbKQOBLh+z6fB/amnmTQPQDepcBKYf8= X-Received: by 2002:aca:f007:: with SMTP id o7mr404129oih.59.1557773647340; Mon, 13 May 2019 11:54:07 -0700 (PDT) Date: Mon, 13 May 2019 11:54:02 -0700 In-Reply-To: <20190513185402.220122-1-sdf@google.com> Message-Id: <20190513185402.220122-2-sdf@google.com> Mime-Version: 1.0 References: <20190513185402.220122-1-sdf@google.com> X-Mailer: git-send-email 2.21.0.1020.gf2820cf01a-goog Subject: [PATCH bpf 2/2] selftests/bpf: test L2 dissection in flow dissector From: Stanislav Fomichev To: netdev@vger.kernel.org, bpf@vger.kernel.org Cc: davem@davemloft.net, ast@kernel.org, daniel@iogearbox.net, willemb@google.com, ppenkov@google.com, Stanislav Fomichev Content-Type: text/plain; charset="UTF-8" Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Make sure that everything that's coming from a pre-defined mac address can be dropped. Signed-off-by: Stanislav Fomichev --- .../selftests/bpf/test_flow_dissector.sh | 23 +++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/tools/testing/selftests/bpf/test_flow_dissector.sh b/tools/testing/selftests/bpf/test_flow_dissector.sh index d23d4da66b83..1505d0a5fb32 100755 --- a/tools/testing/selftests/bpf/test_flow_dissector.sh +++ b/tools/testing/selftests/bpf/test_flow_dissector.sh @@ -112,4 +112,27 @@ tc filter add dev lo parent ffff: protocol ipv6 pref 1337 flower ip_proto \ # Send 10 IPv6/UDP packets from port 10. Filter should not drop any. ./test_flow_dissector -i 6 -f 10 +tc filter del dev lo ingress pref 1337 + +echo "Testing L2..." +ip link set lo address 02:01:03:04:05:06 + +# Drops all packets coming from forged localhost mac +tc filter add dev lo parent ffff: protocol ip pref 1337 flower \ + src_mac 02:01:03:04:05:06 action drop + +# Send packets from any port. Filter should drop all. +./test_flow_dissector -i 4 -f 8 -F + +tc filter del dev lo ingress pref 1337 + +# Drops all packets coming from "random" non-localhost mac +tc filter add dev lo parent ffff: protocol ip pref 1337 flower \ + src_mac 02:01:03:04:05:07 action drop + +# Send packets from any port. Filter should not drop any. +./test_flow_dissector -i 4 -f 8 + +tc filter del dev lo ingress pref 1337 + exit 0 -- 2.21.0.1020.gf2820cf01a-goog