From patchwork Fri Aug 4 04:59:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suman Ghosh X-Patchwork-Id: 13341242 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9610E1FA7 for ; Fri, 4 Aug 2023 05:00:15 +0000 (UTC) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2C7214495; Thu, 3 Aug 2023 22:00:14 -0700 (PDT) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 373NXOTj027576; Thu, 3 Aug 2023 21:59:52 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0220; bh=Rfmeck+IvCt8OoEJtmSToyQibOTWzvh4zMDthzKkboA=; b=GGQEKoqd7G75sNcJaUkyIkJd23LqKNs5uFt+XrX0eGLDHMHBQSNqCEAlFMg2cnlZhYZY C+17TSmTCFT6bqMWuLzIrwqynkzjEbT6Uy7GB/BQyRTY4fJGFgVrBEtkXaC8u0TZec2b fQFNPzNDVlw/LcC9WXZyXrG16VmyP2l8cYzw5FMyQPcXZ08+MNEfwr5eo7nGvVb7G8e7 RdJhSOZdYQ9K2BnTjgmc5efwfuMZTnzscLy0/xuODx0HF1NW3RNq3Dn6Mhjz0Ft63ual lnSpaEa3IJ5tjDMbIsujwo+yvF24YTC0Dl8Ew/DTzdBfZtxc9d5SxC2tju5PL/Fd28IR pw== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 3s8p0xgnbn-3 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Thu, 03 Aug 2023 21:59:52 -0700 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Thu, 3 Aug 2023 21:59:50 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.48 via Frontend Transport; Thu, 3 Aug 2023 21:59:50 -0700 Received: from localhost.localdomain (unknown [10.28.36.166]) by maili.marvell.com (Postfix) with ESMTP id A8C803F7072; Thu, 3 Aug 2023 21:59:45 -0700 (PDT) From: Suman Ghosh To: , , , , , , , , , , , , , CC: Suman Ghosh Subject: [net-next PATCH V5 1/2] octeontx2-af: Code restructure to handle TC outer VLAN offload Date: Fri, 4 Aug 2023 10:29:34 +0530 Message-ID: <20230804045935.3010554-2-sumang@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230804045935.3010554-1-sumang@marvell.com> References: <20230804045935.3010554-1-sumang@marvell.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-GUID: FynJva-qntDfR2q0GnnN92_ZyHLtsrmg X-Proofpoint-ORIG-GUID: FynJva-qntDfR2q0GnnN92_ZyHLtsrmg X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-08-04_02,2023-08-03_01,2023-05-22_02 X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: kuba@kernel.org Moved the TC outer VLAN offload support to a separate function. This change is done to handle all VLAN related changes cleanly from a dedicated function. Signed-off-by: Suman Ghosh --- .../ethernet/marvell/octeontx2/nic/otx2_tc.c | 93 +++++++++++-------- 1 file changed, 53 insertions(+), 40 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c index 4bb511e3cbe5..c535e8170efc 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c @@ -439,6 +439,55 @@ static int otx2_tc_parse_actions(struct otx2_nic *nic, return 0; } +static int otx2_tc_process_vlan(struct otx2_nic *nic, struct flow_msg *flow_spec, + struct flow_msg *flow_mask, struct flow_rule *rule, + struct npc_install_flow_req *req, bool is_inner) +{ + struct flow_match_vlan match; + u16 vlan_tci, vlan_tci_mask; + + if (is_inner) + return -EOPNOTSUPP; + + flow_rule_match_vlan(rule, &match); + if (ntohs(match.key->vlan_tpid) != ETH_P_8021Q) { + netdev_err(nic->netdev, "vlan tpid 0x%x not supported\n", + ntohs(match.key->vlan_tpid)); + return -EOPNOTSUPP; + } + + if (!match.mask->vlan_id) { + struct flow_action_entry *act; + int i; + + flow_action_for_each(i, act, &rule->action) { + if (act->id == FLOW_ACTION_DROP) { + netdev_err(nic->netdev, + "vlan tpid 0x%x with vlan_id %d is not supported for DROP rule.\n", + ntohs(match.key->vlan_tpid), match.key->vlan_id); + return -EOPNOTSUPP; + } + } + } + + if (match.mask->vlan_id || + match.mask->vlan_dei || + match.mask->vlan_priority) { + vlan_tci = match.key->vlan_id | + match.key->vlan_dei << 12 | + match.key->vlan_priority << 13; + + vlan_tci_mask = match.mask->vlan_id | + match.mask->vlan_dei << 12 | + match.mask->vlan_priority << 13; + flow_spec->vlan_tci = htons(vlan_tci); + flow_mask->vlan_tci = htons(vlan_tci_mask); + req->features |= BIT_ULL(NPC_OUTER_VID); + } + + return 0; +} + static int otx2_tc_prepare_flow(struct otx2_nic *nic, struct otx2_tc_flow *node, struct flow_cls_offload *f, struct npc_install_flow_req *req) @@ -591,47 +640,11 @@ static int otx2_tc_prepare_flow(struct otx2_nic *nic, struct otx2_tc_flow *node, } if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) { - struct flow_match_vlan match; - u16 vlan_tci, vlan_tci_mask; - - flow_rule_match_vlan(rule, &match); - - if (ntohs(match.key->vlan_tpid) != ETH_P_8021Q) { - netdev_err(nic->netdev, "vlan tpid 0x%x not supported\n", - ntohs(match.key->vlan_tpid)); - return -EOPNOTSUPP; - } - - if (!match.mask->vlan_id) { - struct flow_action_entry *act; - int i; - - flow_action_for_each(i, act, &rule->action) { - if (act->id == FLOW_ACTION_DROP) { - netdev_err(nic->netdev, - "vlan tpid 0x%x with vlan_id %d is not supported for DROP rule.\n", - ntohs(match.key->vlan_tpid), - match.key->vlan_id); - return -EOPNOTSUPP; - } - } - } + int ret; - if (match.mask->vlan_id || - match.mask->vlan_dei || - match.mask->vlan_priority) { - vlan_tci = match.key->vlan_id | - match.key->vlan_dei << 12 | - match.key->vlan_priority << 13; - - vlan_tci_mask = match.mask->vlan_id | - match.mask->vlan_dei << 12 | - match.mask->vlan_priority << 13; - - flow_spec->vlan_tci = htons(vlan_tci); - flow_mask->vlan_tci = htons(vlan_tci_mask); - req->features |= BIT_ULL(NPC_OUTER_VID); - } + ret = otx2_tc_process_vlan(nic, flow_spec, flow_mask, rule, req, false); + if (ret) + return ret; } if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV4_ADDRS)) { From patchwork Fri Aug 4 04:59:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suman Ghosh X-Patchwork-Id: 13341243 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6BC455228 for ; Fri, 4 Aug 2023 05:00:16 +0000 (UTC) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 79F854498; Thu, 3 Aug 2023 22:00:14 -0700 (PDT) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3744RkTv006714; Thu, 3 Aug 2023 21:59:59 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0220; bh=Se/gDvt5lNsmfmB+oRhIwVkj258G75pSwwJyLuqHrqk=; b=MlxS7GEIqii/bDUbra0a7hem5maZ/aS4VyAXhXAXGzW/2ComOHx//gsp+5oqcHnjqlIm 7GcrigZhSgZGnkq26eAFadY7H7e5Zks7U1OOV26NKCAPGgXWi8BpB2ZXSaNlMfqOPVjL 6WLGd5LkpRF7PfyMivGjRdOhLfsdfWwGjkiLl6PmNiYI+zjWxpwMVocqaZidHkZm+IRg 4OPiIFmxTDrbqAt16F1+wOe7VWE+8UtW6o5SdNVARMKhsiTSR7v+4hoxleoSEDmCqcoS 63tmZQwQydigeFdPFqPMsdnurEL67C2bcfT6S6AT25EMA1BZ/Oh+7aDd6tHRLTVTQC6/ fw== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 3s8p0xgncp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Thu, 03 Aug 2023 21:59:59 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Thu, 3 Aug 2023 21:59:56 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.48 via Frontend Transport; Thu, 3 Aug 2023 21:59:56 -0700 Received: from localhost.localdomain (unknown [10.28.36.166]) by maili.marvell.com (Postfix) with ESMTP id 5060B3F7050; Thu, 3 Aug 2023 21:59:52 -0700 (PDT) From: Suman Ghosh To: , , , , , , , , , , , , , CC: Suman Ghosh Subject: [net-next PATCH V5 2/2] octeontx2-af: TC flower offload support for inner VLAN Date: Fri, 4 Aug 2023 10:29:35 +0530 Message-ID: <20230804045935.3010554-3-sumang@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230804045935.3010554-1-sumang@marvell.com> References: <20230804045935.3010554-1-sumang@marvell.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-GUID: 8LRN7ePhJ55SNAsjZt4f-iCG5QqDh0hC X-Proofpoint-ORIG-GUID: 8LRN7ePhJ55SNAsjZt4f-iCG5QqDh0hC X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-08-04_02,2023-08-03_01,2023-05-22_02 X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: kuba@kernel.org Extend the current TC flower offload support to enable filters matching inner VLAN, and support offload of those filters to hardware. Signed-off-by: Suman Ghosh --- .../net/ethernet/marvell/octeontx2/af/mbox.h | 1 + .../net/ethernet/marvell/octeontx2/af/npc.h | 3 ++ .../marvell/octeontx2/af/rvu_debugfs.c | 5 ++++ .../marvell/octeontx2/af/rvu_npc_fs.c | 13 +++++++++ .../ethernet/marvell/octeontx2/nic/otx2_tc.c | 28 +++++++++++++++---- 5 files changed, 44 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h index a8f3c8faf8af..e2f2b2179eef 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h @@ -1465,6 +1465,7 @@ struct flow_msg { u8 ip_flag; u8 next_header; }; + __be16 vlan_itci; }; struct npc_install_flow_req { diff --git a/drivers/net/ethernet/marvell/octeontx2/af/npc.h b/drivers/net/ethernet/marvell/octeontx2/af/npc.h index 534f20c0c5df..de9fbd98dfb7 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/npc.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/npc.h @@ -184,6 +184,7 @@ enum key_fields { NPC_VLAN_ETYPE_CTAG, /* 0x8100 */ NPC_VLAN_ETYPE_STAG, /* 0x88A8 */ NPC_OUTER_VID, + NPC_INNER_VID, NPC_TOS, NPC_IPFRAG_IPV4, NPC_SIP_IPV4, @@ -230,6 +231,8 @@ enum key_fields { NPC_VLAN_TAG1, /* outer vlan tci for double tagged frame */ NPC_VLAN_TAG2, + /* inner vlan tci for double tagged frame */ + NPC_VLAN_TAG3, /* other header fields programmed to extract but not of our interest */ NPC_UNKNOWN, NPC_KEY_FIELDS_MAX, diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c index 7cd33edca365..d30e84803481 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c @@ -2787,6 +2787,11 @@ static void rvu_dbg_npc_mcam_show_flows(struct seq_file *s, seq_printf(s, "mask 0x%x\n", ntohs(rule->mask.vlan_tci)); break; + case NPC_INNER_VID: + seq_printf(s, "0x%x ", ntohs(rule->packet.vlan_itci)); + seq_printf(s, "mask 0x%x\n", + ntohs(rule->mask.vlan_itci)); + break; case NPC_TOS: seq_printf(s, "%d ", rule->packet.tos); seq_printf(s, "mask 0x%x\n", rule->mask.tos); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c index bb715e616fad..5c8f9fc15ff8 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c @@ -20,6 +20,7 @@ static const char * const npc_flow_names[] = { [NPC_VLAN_ETYPE_CTAG] = "vlan ether type ctag", [NPC_VLAN_ETYPE_STAG] = "vlan ether type stag", [NPC_OUTER_VID] = "outer vlan id", + [NPC_INNER_VID] = "inner vlan id", [NPC_TOS] = "tos", [NPC_IPFRAG_IPV4] = "fragmented IPv4 header ", [NPC_SIP_IPV4] = "ipv4 source ip", @@ -328,6 +329,8 @@ static void npc_handle_multi_layer_fields(struct rvu *rvu, int blkaddr, u8 intf) */ struct npc_key_field *vlan_tag1; struct npc_key_field *vlan_tag2; + /* Inner VLAN TCI for double tagged frames */ + struct npc_key_field *vlan_tag3; u64 *features; u8 start_lid; int i; @@ -350,6 +353,7 @@ static void npc_handle_multi_layer_fields(struct rvu *rvu, int blkaddr, u8 intf) etype_tag2 = &key_fields[NPC_ETYPE_TAG2]; vlan_tag1 = &key_fields[NPC_VLAN_TAG1]; vlan_tag2 = &key_fields[NPC_VLAN_TAG2]; + vlan_tag3 = &key_fields[NPC_VLAN_TAG3]; /* if key profile programmed does not extract Ethertype at all */ if (!etype_ether->nr_kws && !etype_tag1->nr_kws && !etype_tag2->nr_kws) { @@ -431,6 +435,12 @@ static void npc_handle_multi_layer_fields(struct rvu *rvu, int blkaddr, u8 intf) goto done; } *features |= BIT_ULL(NPC_OUTER_VID); + + /* If key profile extracts inner vlan tci */ + if (vlan_tag3->nr_kws) { + key_fields[NPC_INNER_VID] = *vlan_tag3; + *features |= BIT_ULL(NPC_INNER_VID); + } done: return; } @@ -513,6 +523,7 @@ do { \ NPC_SCAN_HDR(NPC_ETYPE_TAG2, NPC_LID_LB, NPC_LT_LB_STAG_QINQ, 8, 2); NPC_SCAN_HDR(NPC_VLAN_TAG1, NPC_LID_LB, NPC_LT_LB_CTAG, 2, 2); NPC_SCAN_HDR(NPC_VLAN_TAG2, NPC_LID_LB, NPC_LT_LB_STAG_QINQ, 2, 2); + NPC_SCAN_HDR(NPC_VLAN_TAG3, NPC_LID_LB, NPC_LT_LB_STAG_QINQ, 6, 2); NPC_SCAN_HDR(NPC_DMAC, NPC_LID_LA, la_ltype, la_start, 6); NPC_SCAN_HDR(NPC_IPSEC_SPI, NPC_LID_LD, NPC_LT_LD_AH, 4, 4); @@ -943,6 +954,8 @@ do { \ NPC_WRITE_FLOW(NPC_OUTER_VID, vlan_tci, ntohs(pkt->vlan_tci), 0, ntohs(mask->vlan_tci), 0); + NPC_WRITE_FLOW(NPC_INNER_VID, vlan_itci, ntohs(pkt->vlan_itci), 0, + ntohs(mask->vlan_itci), 0); NPC_WRITE_FLOW(NPC_IPFRAG_IPV6, next_header, pkt->next_header, 0, mask->next_header, 0); diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c index c535e8170efc..fab9d85bfb37 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c @@ -447,10 +447,11 @@ static int otx2_tc_process_vlan(struct otx2_nic *nic, struct flow_msg *flow_spec u16 vlan_tci, vlan_tci_mask; if (is_inner) - return -EOPNOTSUPP; + flow_rule_match_cvlan(rule, &match); + else + flow_rule_match_vlan(rule, &match); - flow_rule_match_vlan(rule, &match); - if (ntohs(match.key->vlan_tpid) != ETH_P_8021Q) { + if (!eth_type_vlan(match.key->vlan_tpid)) { netdev_err(nic->netdev, "vlan tpid 0x%x not supported\n", ntohs(match.key->vlan_tpid)); return -EOPNOTSUPP; @@ -480,9 +481,15 @@ static int otx2_tc_process_vlan(struct otx2_nic *nic, struct flow_msg *flow_spec vlan_tci_mask = match.mask->vlan_id | match.mask->vlan_dei << 12 | match.mask->vlan_priority << 13; - flow_spec->vlan_tci = htons(vlan_tci); - flow_mask->vlan_tci = htons(vlan_tci_mask); - req->features |= BIT_ULL(NPC_OUTER_VID); + if (is_inner) { + flow_spec->vlan_itci = htons(vlan_tci); + flow_mask->vlan_itci = htons(vlan_tci_mask); + req->features |= BIT_ULL(NPC_INNER_VID); + } else { + flow_spec->vlan_tci = htons(vlan_tci); + flow_mask->vlan_tci = htons(vlan_tci_mask); + req->features |= BIT_ULL(NPC_OUTER_VID); + } } return 0; @@ -507,6 +514,7 @@ static int otx2_tc_prepare_flow(struct otx2_nic *nic, struct otx2_tc_flow *node, BIT_ULL(FLOW_DISSECTOR_KEY_BASIC) | BIT_ULL(FLOW_DISSECTOR_KEY_ETH_ADDRS) | BIT_ULL(FLOW_DISSECTOR_KEY_VLAN) | + BIT(FLOW_DISSECTOR_KEY_CVLAN) | BIT_ULL(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | BIT_ULL(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | BIT_ULL(FLOW_DISSECTOR_KEY_PORTS) | @@ -647,6 +655,14 @@ static int otx2_tc_prepare_flow(struct otx2_nic *nic, struct otx2_tc_flow *node, return ret; } + if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { + int ret; + + ret = otx2_tc_process_vlan(nic, flow_spec, flow_mask, rule, req, true); + if (ret) + return ret; + } + if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV4_ADDRS)) { struct flow_match_ipv4_addrs match;