From patchwork Mon Jan 2 15:24:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zahari Doychev X-Patchwork-Id: 13086779 X-Patchwork-Delegate: kuba@kernel.org 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 22B79C3DA7A for ; Mon, 2 Jan 2023 15:25:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236365AbjABPYq (ORCPT ); Mon, 2 Jan 2023 10:24:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33670 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236382AbjABPYj (ORCPT ); Mon, 2 Jan 2023 10:24:39 -0500 Received: from mail-wr1-x42e.google.com (mail-wr1-x42e.google.com [IPv6:2a00:1450:4864:20::42e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4C90A6434 for ; Mon, 2 Jan 2023 07:24:38 -0800 (PST) Received: by mail-wr1-x42e.google.com with SMTP id bk16so13345654wrb.11 for ; Mon, 02 Jan 2023 07:24:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:sender:from:to:cc:subject:date:message-id:reply-to; bh=TFCSIYXGzDkc/pebklfJXz0nnuu2Hk0D0HitHUmn/ek=; b=XKC7AT6q3C0yz7y1JMAdc4gO5cb1nS3KKokuxQDkOr6mBckwmvl6cOf0zzauopF1Na rX4Ls1OWuzswJeJGzTysSFnMON6fjQfpZBI/hT8XTYxUG6JNFOjdPSULW+uGiJmbw0oO iqDAPkFGDgq+8Rt8HlP0YWxKBoU9VxjVMMye9uKPgApTR0o4AHtJoyIrXHLmPN4sUJQB +i8VEUTSNrLXTEeWuz9xiYnVl+ms2E+kt+8tCs0PZ8/RA+pnNrdeAuxqO0Bdn3VC9y5I tE4darLNNDQtBpQkExVNBNM5zjjBaUZoGLRDXKGLXRzHxOuWgVQlGXA7BV9SPH4UGPYe hpSw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:sender:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=TFCSIYXGzDkc/pebklfJXz0nnuu2Hk0D0HitHUmn/ek=; b=30YUtuVGs4D/rlAs3fEJgI1AEz36MuXtMdnApJ5i0msULFBMnZ6Wsy8tcMZpxcdyzg egWaAvpgPzwdhvOiqnirSBn74X0Juplr+khHW3pt03CGY2DPs5h4XRIPmaRf42gB4kIG fG0Th/UE+Q4PMUKqfznovqrTMqFmhZ4NEjz64fKNaBJu+kXi06Jy2ew6uO84kahBrXBp 7GMzmS6clrZAsW8NTStJSaRwxZb/B6kvWDjUFlWx45FME3+EkjD8BMBp1clZ8CivO8hN bzieJYAdt79Xrb2HGlCfkfCqPU6nK5yHcaf/D6NPLQT5C7COU+IEpp9wO7Jv1rSWx0OT LVTA== X-Gm-Message-State: AFqh2kr9tb0WUjGweko2YQFamkSwXRG06P94v0OKo+eMP/qFeUenI2Vv CmxbbKfM+eYjpc+sMXTmVseJ6TCXGDkKCc+k X-Google-Smtp-Source: AMrXdXv9VZNi+ZtjpEkaIhmnq4PAocAjMt6VCfi98ObToUVMYQb+LvZwADim2ooX5KLSp6PWsCWz7g== X-Received: by 2002:a05:6000:383:b0:242:8198:625e with SMTP id u3-20020a056000038300b002428198625emr27651110wrf.63.1672673076631; Mon, 02 Jan 2023 07:24:36 -0800 (PST) Received: from localhost.localdomain (p200300c1c7122500ba8584fffebf2b17.dip0.t-ipconnect.de. [2003:c1:c712:2500:ba85:84ff:febf:2b17]) by smtp.gmail.com with ESMTPSA id d14-20020adfa40e000000b0029d9ed7e707sm638322wra.44.2023.01.02.07.24.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Jan 2023 07:24:36 -0800 (PST) Sender: Zahari Doychev From: Zahari Doychev To: netdev@vger.kernel.org Cc: jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, hmehrtens@maxlinear.com, Zahari Doychev Subject: [RFC PATCH 1/2] net: flower: add support for matching cfm fields Date: Mon, 2 Jan 2023 16:24:23 +0100 Message-Id: <20230102152424.889155-1-zahari.doychev@linux.com> X-Mailer: git-send-email 2.39.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org X-Patchwork-State: RFC From: Zahari Doychev Add support to the tc flower classifier to match based on fields in CFM information elements like level and opcode. tc filter add dev ens6 ingress protocol 802.1q \ flower vlan_id 698 vlan_ethtype 0x8902 cfm mdl 5 op 46 \ action drop Signed-off-by: Zahari Doychev --- include/net/flow_dissector.h | 11 ++++ include/uapi/linux/pkt_cls.h | 12 ++++ net/core/flow_dissector.c | 41 ++++++++++++ net/sched/cls_flower.c | 118 ++++++++++++++++++++++++++++++++++- 4 files changed, 181 insertions(+), 1 deletion(-) diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h index 5ccf52ef8809..a70497f96bed 100644 --- a/include/net/flow_dissector.h +++ b/include/net/flow_dissector.h @@ -297,6 +297,16 @@ struct flow_dissector_key_l2tpv3 { __be32 session_id; }; +/** + * struct flow_dissector_key_cfm + * + */ +struct flow_dissector_key_cfm { + u8 mdl:3, + ver:5; + u8 opcode; +}; + enum flow_dissector_key_id { FLOW_DISSECTOR_KEY_CONTROL, /* struct flow_dissector_key_control */ FLOW_DISSECTOR_KEY_BASIC, /* struct flow_dissector_key_basic */ @@ -329,6 +339,7 @@ enum flow_dissector_key_id { FLOW_DISSECTOR_KEY_NUM_OF_VLANS, /* struct flow_dissector_key_num_of_vlans */ FLOW_DISSECTOR_KEY_PPPOE, /* struct flow_dissector_key_pppoe */ FLOW_DISSECTOR_KEY_L2TPV3, /* struct flow_dissector_key_l2tpv3 */ + FLOW_DISSECTOR_KEY_CFM, /* struct flow_dissector_key_cfm */ FLOW_DISSECTOR_KEY_MAX, }; diff --git a/include/uapi/linux/pkt_cls.h b/include/uapi/linux/pkt_cls.h index 648a82f32666..d55f70ccfe3c 100644 --- a/include/uapi/linux/pkt_cls.h +++ b/include/uapi/linux/pkt_cls.h @@ -594,6 +594,8 @@ enum { TCA_FLOWER_KEY_L2TPV3_SID, /* be32 */ + TCA_FLOWER_KEY_CFM, + __TCA_FLOWER_MAX, }; @@ -702,6 +704,16 @@ enum { TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST = (1 << 1), }; +enum { + TCA_FLOWER_KEY_CFM_OPT_UNSPEC, + TCA_FLOWER_KEY_CFM_MD_LEVEL, + TCA_FLOWER_KEY_CFM_OPCODE, + __TCA_FLOWER_KEY_CFM_OPT_MAX, +}; + +#define TCA_FLOWER_KEY_CFM_OPT_MAX \ + (__TCA_FLOWER_KEY_CFM_OPT_MAX - 1) + #define TCA_FLOWER_MASK_FLAGS_RANGE (1 << 0) /* Range-based match */ /* Match-all classifier */ diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index 25fb0bbc310f..adb23d31f199 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -547,6 +547,41 @@ __skb_flow_dissect_arp(const struct sk_buff *skb, return FLOW_DISSECT_RET_OUT_GOOD; } +static enum flow_dissect_ret +__skb_flow_dissect_cfm(const struct sk_buff *skb, + struct flow_dissector *flow_dissector, + void *target_container, const void *data, + int nhoff, int hlen) +{ + struct flow_dissector_key_cfm *key_cfm; + struct cfm_common_hdr { + __u8 mdlevel_version; + __u8 opcode; + __u8 flags; + __u8 tlv_offset; + } *hdr, _hdr; +#define CFM_MD_LEVEL_SHIFT 5 +#define CFM_MD_VERSION_MASK 0x1f + + if (!dissector_uses_key(flow_dissector, FLOW_DISSECTOR_KEY_CFM)) + return FLOW_DISSECT_RET_OUT_GOOD; + + hdr = __skb_header_pointer(skb, nhoff, sizeof(_hdr), data, + hlen, &_hdr); + if (!hdr) + return FLOW_DISSECT_RET_OUT_BAD; + + key_cfm = skb_flow_dissector_target(flow_dissector, + FLOW_DISSECTOR_KEY_CFM, + target_container); + + key_cfm->mdl = hdr->mdlevel_version >> CFM_MD_LEVEL_SHIFT; + key_cfm->ver = hdr->mdlevel_version & CFM_MD_VERSION_MASK; + key_cfm->opcode = hdr->opcode; + + return FLOW_DISSECT_RET_OUT_GOOD; +} + static enum flow_dissect_ret __skb_flow_dissect_gre(const struct sk_buff *skb, struct flow_dissector_key_control *key_control, @@ -1390,6 +1425,12 @@ bool __skb_flow_dissect(const struct net *net, break; } + case htons(ETH_P_CFM): { + fdret = __skb_flow_dissect_cfm(skb, flow_dissector, + target_container, data, + nhoff, hlen); + break; + } default: fdret = FLOW_DISSECT_RET_OUT_BAD; break; diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c index 0b15698b3531..80250945d716 100644 --- a/net/sched/cls_flower.c +++ b/net/sched/cls_flower.c @@ -71,6 +71,7 @@ struct fl_flow_key { struct flow_dissector_key_num_of_vlans num_of_vlans; struct flow_dissector_key_pppoe pppoe; struct flow_dissector_key_l2tpv3 l2tpv3; + struct flow_dissector_key_cfm cfm; } __aligned(BITS_PER_LONG / 8); /* Ensure that we can do comparisons as longs. */ struct fl_flow_mask_range { @@ -716,7 +717,7 @@ static const struct nla_policy fl_policy[TCA_FLOWER_MAX + 1] = { [TCA_FLOWER_KEY_PPPOE_SID] = { .type = NLA_U16 }, [TCA_FLOWER_KEY_PPP_PROTO] = { .type = NLA_U16 }, [TCA_FLOWER_KEY_L2TPV3_SID] = { .type = NLA_U32 }, - + [TCA_FLOWER_KEY_CFM] = { .type = NLA_NESTED }, }; static const struct nla_policy @@ -765,6 +766,12 @@ mpls_stack_entry_policy[TCA_FLOWER_KEY_MPLS_OPT_LSE_MAX + 1] = { [TCA_FLOWER_KEY_MPLS_OPT_LSE_LABEL] = { .type = NLA_U32 }, }; +static const struct nla_policy +cfm_opt_policy[TCA_FLOWER_KEY_CFM_OPT_MAX + 1] = { + [TCA_FLOWER_KEY_CFM_MD_LEVEL] = { .type = NLA_U8 }, + [TCA_FLOWER_KEY_CFM_OPCODE] = { .type = NLA_U8 }, +}; + static void fl_set_key_val(struct nlattr **tb, void *val, int val_type, void *mask, int mask_type, int len) @@ -1649,6 +1656,67 @@ static bool is_vlan_key(struct nlattr *tb, __be16 *ethertype, return false; } +#define CFM_MD_LEVEL_MASK 0x7 +static int fl_set_key_cfm_md_level(struct nlattr **tb, + struct fl_flow_key *key, + struct fl_flow_key *mask, + struct netlink_ext_ack *extack) +{ + u8 level; + + if (!tb[TCA_FLOWER_KEY_CFM_MD_LEVEL]) + return 0; + + level = nla_get_u8(tb[TCA_FLOWER_KEY_CFM_MD_LEVEL]); + if (level & ~CFM_MD_LEVEL_MASK) { + NL_SET_ERR_MSG_ATTR(extack, + tb[TCA_FLOWER_KEY_CFM_MD_LEVEL], + "cfm md level must be 0-7"); + return -EINVAL; + } + key->cfm.mdl = level; + mask->cfm.mdl = CFM_MD_LEVEL_MASK; + + return 0; +} + +static void fl_set_key_cfm_opcode(struct nlattr **tb, + struct fl_flow_key *key, + struct fl_flow_key *mask, + struct netlink_ext_ack *extack) +{ + if (!tb[TCA_FLOWER_KEY_CFM_OPCODE]) + return; + + fl_set_key_val(tb, &key->cfm.opcode, + TCA_FLOWER_KEY_CFM_OPCODE, + &mask->cfm.opcode, + TCA_FLOWER_UNSPEC, + sizeof(key->cfm.opcode)); +} + +static int fl_set_key_cfm(struct nlattr **tb, + struct fl_flow_key *key, + struct fl_flow_key *mask, + struct netlink_ext_ack *extack) +{ + struct nlattr *nla_cfm_opt[TCA_FLOWER_KEY_CFM_OPT_MAX + 1]; + int err; + + if (!tb[TCA_FLOWER_KEY_CFM]) + return 0; + + err = nla_parse_nested(nla_cfm_opt, TCA_FLOWER_KEY_CFM_OPT_MAX, + tb[TCA_FLOWER_KEY_CFM], + cfm_opt_policy, extack); + if (err < 0) + return err; + + fl_set_key_cfm_opcode(nla_cfm_opt, key, mask, extack); + + return fl_set_key_cfm_md_level(nla_cfm_opt, key, mask, extack); +} + static int fl_set_key(struct net *net, struct nlattr **tb, struct fl_flow_key *key, struct fl_flow_key *mask, struct netlink_ext_ack *extack) @@ -1799,6 +1867,10 @@ static int fl_set_key(struct net *net, struct nlattr **tb, TCA_FLOWER_KEY_L2TPV3_SID, &mask->l2tpv3.session_id, TCA_FLOWER_UNSPEC, sizeof(key->l2tpv3.session_id)); + } else if (key->basic.n_proto == htons(ETH_P_CFM)) { + ret = fl_set_key_cfm(tb, key, mask, extack); + if (ret) + return ret; } if (key->basic.ip_proto == IPPROTO_TCP || @@ -1981,6 +2053,8 @@ static void fl_init_dissector(struct flow_dissector *dissector, FLOW_DISSECTOR_KEY_PPPOE, pppoe); FL_KEY_SET_IF_MASKED(mask, keys, cnt, FLOW_DISSECTOR_KEY_L2TPV3, l2tpv3); + FL_KEY_SET_IF_MASKED(mask, keys, cnt, + FLOW_DISSECTOR_KEY_CFM, cfm); skb_flow_dissector_init(dissector, keys, cnt); } @@ -2989,6 +3063,45 @@ static int fl_dump_key_ct(struct sk_buff *skb, return -EMSGSIZE; } +static int fl_dump_key_cfm(struct sk_buff *skb, + struct fl_flow_key *key, + struct fl_flow_key *mask) +{ + struct nlattr *opts; + int err; + + if (!memchr_inv(&mask->cfm, 0, sizeof(mask->cfm))) + return 0; + + opts = nla_nest_start(skb, TCA_FLOWER_KEY_CFM); + if (!opts) + return -EMSGSIZE; + + if (mask->cfm.mdl && + nla_put_u8(skb, + TCA_FLOWER_KEY_CFM_MD_LEVEL, + key->cfm.mdl)) { + err = -EMSGSIZE; + goto err_cfm_opts; + } + + if (mask->cfm.opcode && + nla_put_u8(skb, + TCA_FLOWER_KEY_CFM_OPCODE, + key->cfm.opcode)) { + err = -EMSGSIZE; + goto err_cfm_opts; + } + + nla_nest_end(skb, opts); + + return 0; + +err_cfm_opts: + nla_nest_cancel(skb, opts); + return err; +} + static int fl_dump_key_options(struct sk_buff *skb, int enc_opt_type, struct flow_dissector_key_enc_opts *enc_opts) { @@ -3271,6 +3384,9 @@ static int fl_dump_key(struct sk_buff *skb, struct net *net, sizeof(key->hash.hash))) goto nla_put_failure; + if (fl_dump_key_cfm(skb, key, mask)) + goto nla_put_failure; + return 0; nla_put_failure: From patchwork Mon Jan 2 15:24:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zahari Doychev X-Patchwork-Id: 13086780 X-Patchwork-Delegate: kuba@kernel.org 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 80DAEC5479D for ; Mon, 2 Jan 2023 15:25:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236377AbjABPYs (ORCPT ); Mon, 2 Jan 2023 10:24:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33690 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236387AbjABPYn (ORCPT ); Mon, 2 Jan 2023 10:24:43 -0500 Received: from mail-wr1-x434.google.com (mail-wr1-x434.google.com [IPv6:2a00:1450:4864:20::434]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 27A9B281 for ; 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[2003:c1:c712:2500:ba85:84ff:febf:2b17]) by smtp.gmail.com with ESMTPSA id d14-20020adfa40e000000b0029d9ed7e707sm638322wra.44.2023.01.02.07.24.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Jan 2023 07:24:38 -0800 (PST) Sender: Zahari Doychev From: Zahari Doychev To: netdev@vger.kernel.org Cc: jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, hmehrtens@maxlinear.com, Zahari Doychev Subject: [RFC PATCH 2/2] selftests: net: add tc flower cfm test Date: Mon, 2 Jan 2023 16:24:24 +0100 Message-Id: <20230102152424.889155-2-zahari.doychev@linux.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230102152424.889155-1-zahari.doychev@linux.com> References: <20230102152424.889155-1-zahari.doychev@linux.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org X-Patchwork-State: RFC From: Zahari Doychev New cfm flower test case is added to the net forwarding selfttests. Signed-off-by: Zahari Doychev --- .../selftests/net/forwarding/tc_flower_cfm.sh | 168 ++++++++++++++++++ 1 file changed, 168 insertions(+) create mode 100755 tools/testing/selftests/net/forwarding/tc_flower_cfm.sh diff --git a/tools/testing/selftests/net/forwarding/tc_flower_cfm.sh b/tools/testing/selftests/net/forwarding/tc_flower_cfm.sh new file mode 100755 index 000000000000..c536a3bba8e7 --- /dev/null +++ b/tools/testing/selftests/net/forwarding/tc_flower_cfm.sh @@ -0,0 +1,168 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +ALL_TESTS="match_cfm_opcode match_cfm_level match_cfm_level_and_opcode" + +NUM_NETIFS=2 +source tc_common.sh +source lib.sh + +tcflags="skip_hw" + +h1_create() +{ + simple_if_init $h1 192.0.2.1/24 198.51.100.1/24 +} + +h1_destroy() +{ + simple_if_fini $h1 192.0.2.1/24 198.51.100.1/24 +} + +h2_create() +{ + simple_if_init $h2 192.0.2.2/24 198.51.100.2/24 + tc qdisc add dev $h2 clsact +} + +h2_destroy() +{ + tc qdisc del dev $h2 clsact + simple_if_fini $h2 192.0.2.2/24 198.51.100.2/24 +} + +cfm_mdl_opcode() +{ + local mdl=$1 + local op=$2 + local flags=$3 + local tlv_offset=$4 + + printf "%02x %02x %02x %02x" \ + $((mdl << 5)) \ + $((op & 0xff)) \ + $((flags & 0xff)) \ + $tlv_offset +} + +match_cfm_opcode() +{ + local ethtype="89 02"; readonly ethtype + RET=0 + + tc filter add dev $h2 ingress protocol cfm pref 1 handle 101 \ + flower cfm op 47 action drop + tc filter add dev $h2 ingress protocol cfm pref 2 handle 102 \ + flower cfm op 43 action drop + + pkt="$ethtype $(cfm_mdl_opcode 7 47 0 4)" + $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q + pkt="$ethtype $(cfm_mdl_opcode 6 5 0 4)" + $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q + + tc_check_packets "dev $h2 ingress" 101 1 + check_err $? "Did not match on correct opcode" + + tc_check_packets "dev $h2 ingress" 102 0 + check_err $? "Matched on the wrong opcode" + + tc filter del dev $h2 ingress protocol cfm pref 1 handle 101 flower + tc filter del dev $h2 ingress protocol cfm pref 2 handle 102 flower + + log_test "CFM opcode match test" +} + +match_cfm_level() +{ + local ethtype="89 02"; readonly ethtype + RET=0 + + tc filter add dev $h2 ingress protocol cfm pref 1 handle 101 \ + flower cfm mdl 5 action drop + tc filter add dev $h2 ingress protocol cfm pref 2 handle 102 \ + flower cfm mdl 3 action drop + + pkt="$ethtype $(cfm_mdl_opcode 5 42 0 4)" + $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q + pkt="$ethtype $(cfm_mdl_opcode 6 1 0 4)" + $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q + + tc_check_packets "dev $h2 ingress" 101 1 + check_err $? "Did not match on correct level" + + tc_check_packets "dev $h2 ingress" 102 0 + check_err $? "Matched on the wrong level" + + tc filter del dev $h2 ingress protocol cfm pref 1 handle 101 flower + tc filter del dev $h2 ingress protocol cfm pref 2 handle 102 flower + + log_test "CFM level match test" +} + +match_cfm_level_and_opcode() +{ + local ethtype="89 02"; readonly ethtype + RET=0 + + tc filter add dev $h2 ingress protocol cfm pref 1 handle 101 \ + flower cfm mdl 5 op 41 action drop + tc filter add dev $h2 ingress protocol cfm pref 2 handle 102 \ + flower cfm mdl 7 op 42 action drop + + pkt="$ethtype $(cfm_mdl_opcode 5 41 0 4)" + $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q + pkt="$ethtype $(cfm_mdl_opcode 7 3 0 4)" + $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q + pkt="$ethtype $(cfm_mdl_opcode 3 42 0 4)" + $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q + + tc_check_packets "dev $h2 ingress" 101 1 + check_err $? "Did not match on correct level and opcode" + tc_check_packets "dev $h2 ingress" 102 0 + check_err $? "Matched on the wrong level and opcode" + + tc filter del dev $h2 ingress protocol cfm pref 1 handle 101 flower + tc filter del dev $h2 ingress protocol cfm pref 2 handle 102 flower + + log_test "CFM opcode and level match test" +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + h2=${NETIFS[p2]} + h1mac=$(mac_get $h1) + h2mac=$(mac_get $h2) + + vrf_prepare + + h1_create + h2_create +} + +cleanup() +{ + pre_cleanup + + h2_destroy + h1_destroy + + vrf_cleanup +} + +trap cleanup EXIT + +setup_prepare +setup_wait + +tests_run + +tc_offload_check +if [[ $? -ne 0 ]]; then + log_info "Could not test offloaded functionality" +else + tcflags="skip_sw" + tests_run +fi + +exit $EXIT_STATUS