get:
Show a patch.

patch:
Update a patch.

put:
Update a patch.

GET /api/patches/43006/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 43006,
    "url": "http://patches.dpdk.org/api/patches/43006/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/20180713092910.26276-2-adrien.mazarguil@6wind.com/",
    "project": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/projects/1/?format=api",
        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
        "list_email": "dev@dpdk.org",
        "web_url": "http://core.dpdk.org",
        "scm_url": "git://dpdk.org/dpdk",
        "webscm_url": "http://git.dpdk.org/dpdk",
        "list_archive_url": "https://inbox.dpdk.org/dev",
        "list_archive_url_format": "https://inbox.dpdk.org/dev/{}",
        "commit_url_format": ""
    },
    "msgid": "<20180713092910.26276-2-adrien.mazarguil@6wind.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20180713092910.26276-2-adrien.mazarguil@6wind.com",
    "date": "2018-07-13T09:40:37",
    "name": "[v2,1/6] net/mlx5: lay groundwork for switch offloads",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "c573e145e7c90037cfd0d3ee4b58336edc27eea8",
    "submitter": {
        "id": 165,
        "url": "http://patches.dpdk.org/api/people/165/?format=api",
        "name": "Adrien Mazarguil",
        "email": "adrien.mazarguil@6wind.com"
    },
    "delegate": {
        "id": 6624,
        "url": "http://patches.dpdk.org/api/users/6624/?format=api",
        "username": "shahafs",
        "first_name": "Shahaf",
        "last_name": "Shuler",
        "email": "shahafs@mellanox.com"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/20180713092910.26276-2-adrien.mazarguil@6wind.com/mbox/",
    "series": [
        {
            "id": 558,
            "url": "http://patches.dpdk.org/api/series/558/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=558",
            "date": "2018-07-13T09:40:35",
            "name": "net/mlx5: add support for switch flow rules",
            "version": 2,
            "mbox": "http://patches.dpdk.org/series/558/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/43006/comments/",
    "check": "fail",
    "checks": "http://patches.dpdk.org/api/patches/43006/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@dpdk.org",
        "Delivered-To": "patchwork@dpdk.org",
        "Received": [
            "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 02D465B20;\n\tFri, 13 Jul 2018 11:40:57 +0200 (CEST)",
            "from mail-wr1-f66.google.com (mail-wr1-f66.google.com\n\t[209.85.221.66]) by dpdk.org (Postfix) with ESMTP id 025654CBB\n\tfor <dev@dpdk.org>; Fri, 13 Jul 2018 11:40:54 +0200 (CEST)",
            "by mail-wr1-f66.google.com with SMTP id a3-v6so15236299wrt.2\n\tfor <dev@dpdk.org>; Fri, 13 Jul 2018 02:40:54 -0700 (PDT)",
            "from 6wind.com (host.78.145.23.62.rev.coltfrance.com.\n\t[62.23.145.78]) by smtp.gmail.com with ESMTPSA id\n\tj3-v6sm8824463wrt.70.2018.07.13.02.40.53\n\t(version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);\n\tFri, 13 Jul 2018 02:40:53 -0700 (PDT)"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=6wind-com.20150623.gappssmtp.com; s=20150623;\n\th=date:from:to:cc:subject:message-id:references:mime-version\n\t:content-disposition:in-reply-to;\n\tbh=GSNs1Ugw6d/O3arA49WCBly22qqU9nDSyLk2ebxzCi0=;\n\tb=M5lKb1MNGxIZFMmdNcVBo8dpk6rkzOMFFbgPL28UCk5rqOQFmKOKwfGc/zMLQ1yvF3\n\tjEAbRfUtpFNeurlKR2O4MulQRGE1vUj+XZpw5S1eHRoJgcGA50QHgvKn4wowM5H9BDmq\n\tti7OktuKKL6ifUC/9QTlTymUGYF6iiV0kFNJVE1Lpc4LTjJDX/ZbAh2yKduoBoPvF2Cb\n\ttbEbwbsHDT4TNZqd9w2AJRcll3AXFnHpm5z7xOrRrC3rx7QJYqTn/uT/a22yNgjcs81d\n\thulLcjzqozix/tadnvhsqBDnsdQS5Gajlm3l6SSa0MRpjz0nv+cHvYSuKGJT/JsjJMR4\n\tMRfg==",
        "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:date:from:to:cc:subject:message-id:references\n\t:mime-version:content-disposition:in-reply-to;\n\tbh=GSNs1Ugw6d/O3arA49WCBly22qqU9nDSyLk2ebxzCi0=;\n\tb=fEUXFmFrrvW5djnkAKX9ALFgcAaePLhPDXrkHMd2tXX3ULvKZWEhL3DQ3XG447zu9R\n\tbhIFMX15gpoZOAhfUWpHpmS5AdwoIVRf3AN1Uhz0l/YVyn18d2UeDxtlcUrH23hMWX9j\n\thGBeMWHyk5bnDRXxa0F+nx32APjcsBx/uPm6P3sXRAD/xbpY3XQPi57RyNuUJit67Fnx\n\t2Y2p/dCwwn7sSf1phsNGgTf2YUVafQS3JsC9n6dBZaPinZIajsSp6YLY/5gIUjTb04FH\n\taqurBdyfZ93pUPL95BDHZ1cojfxN6+r1F5mt19qkuGJh/WRNcUlYJlZksU6CZ1QV+5Ge\n\tUsZA==",
        "X-Gm-Message-State": "AOUpUlHXpSeRiblQH/z7vrQ736nzPoE8lSBi3+4Z2505iKyByOAwoQh7\n\tOUhLUqiQGNO/anAySzx9OTxP1aoV",
        "X-Google-Smtp-Source": "AAOMgpeps8gdB5KSgKXIa2WJBMGkwI0G8KJgG7wBY+abpgzWTUa9ndnQMbfFpGTNrri1gkTICCci8g==",
        "X-Received": "by 2002:adf:ec04:: with SMTP id\n\tx4-v6mr4038642wrn.245.1531474854546; \n\tFri, 13 Jul 2018 02:40:54 -0700 (PDT)",
        "Date": "Fri, 13 Jul 2018 11:40:37 +0200",
        "From": "Adrien Mazarguil <adrien.mazarguil@6wind.com>",
        "To": "Shahaf Shuler <shahafs@mellanox.com>",
        "Cc": "Nelio Laranjeiro <nelio.laranjeiro@6wind.com>,\n\tYongseok Koh <yskoh@mellanox.com>, dev@dpdk.org",
        "Message-ID": "<20180713092910.26276-2-adrien.mazarguil@6wind.com>",
        "References": "<20180627173355.4718-1-adrien.mazarguil@6wind.com>\n\t<20180713092910.26276-1-adrien.mazarguil@6wind.com>",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=us-ascii",
        "Content-Disposition": "inline",
        "In-Reply-To": "<20180713092910.26276-1-adrien.mazarguil@6wind.com>",
        "X-Mailer": "git-send-email 2.11.0",
        "Subject": "[dpdk-dev] [PATCH v2 1/6] net/mlx5: lay groundwork for switch\n\toffloads",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://mails.dpdk.org/archives/dev/>",
        "List-Post": "<mailto:dev@dpdk.org>",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "With mlx5, unlike normal flow rules implemented through Verbs for traffic\nemitted and received by the application, those targeting different logical\nports of the device (VF representors for instance) are offloaded at the\nswitch level and must be configured through Netlink (TC interface).\n\nThis patch adds preliminary support to manage such flow rules through the\nflow API (rte_flow).\n\nInstead of rewriting tons of Netlink helpers and as previously suggested by\nStephen [1], this patch introduces a new dependency to libmnl [2]\n(LGPL-2.1) when compiling mlx5.\n\n[1] https://mails.dpdk.org/archives/dev/2018-March/092676.html\n[2] https://netfilter.org/projects/libmnl/\n\nSigned-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>\nAcked-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>\nCc: Yongseok Koh <yskoh@mellanox.com>\n--\nv2 changes:\n\n- Added NETLINK_CAP_ACK definition if missing from the host system. This\n  parameter is also not mandatory anymore and won't prevent creation of\n  NL sockets when not supported.\n- Modified mlx5_nl_flow_nl_ack() and mlx5_nl_flow_init() to consume the\n  least amount of stack space based on message size, instead of the fixed\n  MNL_SOCKET_BUFFER_SIZE which is quite large.\n---\n drivers/net/mlx5/Makefile       |   2 +\n drivers/net/mlx5/mlx5.c         |  32 ++++++++\n drivers/net/mlx5/mlx5.h         |  10 +++\n drivers/net/mlx5/mlx5_nl_flow.c | 147 +++++++++++++++++++++++++++++++++++\n mk/rte.app.mk                   |   2 +-\n 5 files changed, 192 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/drivers/net/mlx5/Makefile b/drivers/net/mlx5/Makefile\nindex 9e274964b..8d3cb219b 100644\n--- a/drivers/net/mlx5/Makefile\n+++ b/drivers/net/mlx5/Makefile\n@@ -33,6 +33,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_mr.c\n SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_flow.c\n SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_socket.c\n SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_nl.c\n+SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_nl_flow.c\n \n ifeq ($(CONFIG_RTE_LIBRTE_MLX5_DLOPEN_DEPS),y)\n INSTALL-$(CONFIG_RTE_LIBRTE_MLX5_PMD)-lib += $(LIB_GLUE)\n@@ -56,6 +57,7 @@ LDLIBS += -ldl\n else\n LDLIBS += -libverbs -lmlx5\n endif\n+LDLIBS += -lmnl\n LDLIBS += -lrte_eal -lrte_mbuf -lrte_mempool -lrte_ring\n LDLIBS += -lrte_ethdev -lrte_net -lrte_kvargs\n LDLIBS += -lrte_bus_pci\ndiff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c\nindex 6d3421fae..8fb8c91eb 100644\n--- a/drivers/net/mlx5/mlx5.c\n+++ b/drivers/net/mlx5/mlx5.c\n@@ -282,6 +282,8 @@ mlx5_dev_close(struct rte_eth_dev *dev)\n \t\tclose(priv->nl_socket_route);\n \tif (priv->nl_socket_rdma >= 0)\n \t\tclose(priv->nl_socket_rdma);\n+\tif (priv->mnl_socket)\n+\t\tmlx5_nl_flow_socket_destroy(priv->mnl_socket);\n \tret = mlx5_hrxq_ibv_verify(dev);\n \tif (ret)\n \t\tDRV_LOG(WARNING, \"port %u some hash Rx queue still remain\",\n@@ -1116,6 +1118,34 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,\n \tclaim_zero(mlx5_mac_addr_add(eth_dev, &mac, 0, 0));\n \tif (vf && config.vf_nl_en)\n \t\tmlx5_nl_mac_addr_sync(eth_dev);\n+\tpriv->mnl_socket = mlx5_nl_flow_socket_create();\n+\tif (!priv->mnl_socket) {\n+\t\terr = -rte_errno;\n+\t\tDRV_LOG(WARNING,\n+\t\t\t\"flow rules relying on switch offloads will not be\"\n+\t\t\t\" supported: cannot open libmnl socket: %s\",\n+\t\t\tstrerror(rte_errno));\n+\t} else {\n+\t\tstruct rte_flow_error error;\n+\t\tunsigned int ifindex = mlx5_ifindex(eth_dev);\n+\n+\t\tif (!ifindex) {\n+\t\t\terr = -rte_errno;\n+\t\t\terror.message =\n+\t\t\t\t\"cannot retrieve network interface index\";\n+\t\t} else {\n+\t\t\terr = mlx5_nl_flow_init(priv->mnl_socket, ifindex,\n+\t\t\t\t\t\t&error);\n+\t\t}\n+\t\tif (err) {\n+\t\t\tDRV_LOG(WARNING,\n+\t\t\t\t\"flow rules relying on switch offloads will\"\n+\t\t\t\t\" not be supported: %s: %s\",\n+\t\t\t\terror.message, strerror(rte_errno));\n+\t\t\tmlx5_nl_flow_socket_destroy(priv->mnl_socket);\n+\t\t\tpriv->mnl_socket = NULL;\n+\t\t}\n+\t}\n \tTAILQ_INIT(&priv->flows);\n \tTAILQ_INIT(&priv->ctrl_flows);\n \t/* Hint libmlx5 to use PMD allocator for data plane resources */\n@@ -1168,6 +1198,8 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,\n \t\t\tclose(priv->nl_socket_route);\n \t\tif (priv->nl_socket_rdma >= 0)\n \t\t\tclose(priv->nl_socket_rdma);\n+\t\tif (priv->mnl_socket)\n+\t\t\tmlx5_nl_flow_socket_destroy(priv->mnl_socket);\n \t\tif (own_domain_id)\n \t\t\tclaim_zero(rte_eth_switch_domain_free(priv->domain_id));\n \t\trte_free(priv);\ndiff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h\nindex 131be334c..98b6ec07d 100644\n--- a/drivers/net/mlx5/mlx5.h\n+++ b/drivers/net/mlx5/mlx5.h\n@@ -156,6 +156,8 @@ struct mlx5_drop {\n \tstruct mlx5_rxq_ibv *rxq; /* Verbs Rx queue. */\n };\n \n+struct mnl_socket;\n+\n struct priv {\n \tLIST_ENTRY(priv) mem_event_cb; /* Called by memory event callback. */\n \tstruct rte_eth_dev_data *dev_data;  /* Pointer to device data. */\n@@ -215,6 +217,7 @@ struct priv {\n \tint nl_socket_rdma; /* Netlink socket (NETLINK_RDMA). */\n \tint nl_socket_route; /* Netlink socket (NETLINK_ROUTE). */\n \tuint32_t nl_sn; /* Netlink message sequence number. */\n+\tstruct mnl_socket *mnl_socket; /* Libmnl socket. */\n };\n \n #define PORT_ID(priv) ((priv)->dev_data->port_id)\n@@ -380,4 +383,11 @@ unsigned int mlx5_nl_ifindex(int nl, const char *name);\n int mlx5_nl_switch_info(int nl, unsigned int ifindex,\n \t\t\tstruct mlx5_switch_info *info);\n \n+/* mlx5_nl_flow.c */\n+\n+int mlx5_nl_flow_init(struct mnl_socket *nl, unsigned int ifindex,\n+\t\t      struct rte_flow_error *error);\n+struct mnl_socket *mlx5_nl_flow_socket_create(void);\n+void mlx5_nl_flow_socket_destroy(struct mnl_socket *nl);\n+\n #endif /* RTE_PMD_MLX5_H_ */\ndiff --git a/drivers/net/mlx5/mlx5_nl_flow.c b/drivers/net/mlx5/mlx5_nl_flow.c\nnew file mode 100644\nindex 000000000..60a4493e5\n--- /dev/null\n+++ b/drivers/net/mlx5/mlx5_nl_flow.c\n@@ -0,0 +1,147 @@\n+/* SPDX-License-Identifier: BSD-3-Clause\n+ * Copyright 2018 6WIND S.A.\n+ * Copyright 2018 Mellanox Technologies, Ltd\n+ */\n+\n+#include <errno.h>\n+#include <libmnl/libmnl.h>\n+#include <linux/netlink.h>\n+#include <linux/pkt_sched.h>\n+#include <linux/rtnetlink.h>\n+#include <stdalign.h>\n+#include <stddef.h>\n+#include <stdint.h>\n+#include <stdlib.h>\n+#include <sys/socket.h>\n+\n+#include <rte_errno.h>\n+#include <rte_flow.h>\n+\n+#include \"mlx5.h\"\n+\n+/* Normally found in linux/netlink.h. */\n+#ifndef NETLINK_CAP_ACK\n+#define NETLINK_CAP_ACK 10\n+#endif\n+\n+/**\n+ * Send Netlink message with acknowledgment.\n+ *\n+ * @param nl\n+ *   Libmnl socket to use.\n+ * @param nlh\n+ *   Message to send. This function always raises the NLM_F_ACK flag before\n+ *   sending.\n+ *\n+ * @return\n+ *   0 on success, a negative errno value otherwise and rte_errno is set.\n+ */\n+static int\n+mlx5_nl_flow_nl_ack(struct mnl_socket *nl, struct nlmsghdr *nlh)\n+{\n+\talignas(struct nlmsghdr)\n+\tuint8_t ans[mnl_nlmsg_size(sizeof(struct nlmsgerr)) +\n+\t\t    nlh->nlmsg_len - sizeof(*nlh)];\n+\tuint32_t seq = random();\n+\tint ret;\n+\n+\tnlh->nlmsg_flags |= NLM_F_ACK;\n+\tnlh->nlmsg_seq = seq;\n+\tret = mnl_socket_sendto(nl, nlh, nlh->nlmsg_len);\n+\tif (ret != -1)\n+\t\tret = mnl_socket_recvfrom(nl, ans, sizeof(ans));\n+\tif (ret != -1)\n+\t\tret = mnl_cb_run\n+\t\t\t(ans, ret, seq, mnl_socket_get_portid(nl), NULL, NULL);\n+\tif (!ret)\n+\t\treturn 0;\n+\trte_errno = errno;\n+\treturn -rte_errno;\n+}\n+\n+/**\n+ * Initialize ingress qdisc of a given network interface.\n+ *\n+ * @param nl\n+ *   Libmnl socket of the @p NETLINK_ROUTE kind.\n+ * @param ifindex\n+ *   Index of network interface to initialize.\n+ * @param[out] error\n+ *   Perform verbose error reporting if not NULL.\n+ *\n+ * @return\n+ *   0 on success, a negative errno value otherwise and rte_errno is set.\n+ */\n+int\n+mlx5_nl_flow_init(struct mnl_socket *nl, unsigned int ifindex,\n+\t\t  struct rte_flow_error *error)\n+{\n+\tstruct nlmsghdr *nlh;\n+\tstruct tcmsg *tcm;\n+\talignas(struct nlmsghdr)\n+\tuint8_t buf[mnl_nlmsg_size(sizeof(*tcm) + 128)];\n+\n+\t/* Destroy existing ingress qdisc and everything attached to it. */\n+\tnlh = mnl_nlmsg_put_header(buf);\n+\tnlh->nlmsg_type = RTM_DELQDISC;\n+\tnlh->nlmsg_flags = NLM_F_REQUEST;\n+\ttcm = mnl_nlmsg_put_extra_header(nlh, sizeof(*tcm));\n+\ttcm->tcm_family = AF_UNSPEC;\n+\ttcm->tcm_ifindex = ifindex;\n+\ttcm->tcm_handle = TC_H_MAKE(TC_H_INGRESS, 0);\n+\ttcm->tcm_parent = TC_H_INGRESS;\n+\t/* Ignore errors when qdisc is already absent. */\n+\tif (mlx5_nl_flow_nl_ack(nl, nlh) &&\n+\t    rte_errno != EINVAL && rte_errno != ENOENT)\n+\t\treturn rte_flow_error_set\n+\t\t\t(error, rte_errno, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,\n+\t\t\t NULL, \"netlink: failed to remove ingress qdisc\");\n+\t/* Create fresh ingress qdisc. */\n+\tnlh = mnl_nlmsg_put_header(buf);\n+\tnlh->nlmsg_type = RTM_NEWQDISC;\n+\tnlh->nlmsg_flags = NLM_F_REQUEST | NLM_F_CREATE | NLM_F_EXCL;\n+\ttcm = mnl_nlmsg_put_extra_header(nlh, sizeof(*tcm));\n+\ttcm->tcm_family = AF_UNSPEC;\n+\ttcm->tcm_ifindex = ifindex;\n+\ttcm->tcm_handle = TC_H_MAKE(TC_H_INGRESS, 0);\n+\ttcm->tcm_parent = TC_H_INGRESS;\n+\tmnl_attr_put_strz_check(nlh, sizeof(buf), TCA_KIND, \"ingress\");\n+\tif (mlx5_nl_flow_nl_ack(nl, nlh))\n+\t\treturn rte_flow_error_set\n+\t\t\t(error, rte_errno, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,\n+\t\t\t NULL, \"netlink: failed to create ingress qdisc\");\n+\treturn 0;\n+}\n+\n+/**\n+ * Create and configure a libmnl socket for Netlink flow rules.\n+ *\n+ * @return\n+ *   A valid libmnl socket object pointer on success, NULL otherwise and\n+ *   rte_errno is set.\n+ */\n+struct mnl_socket *\n+mlx5_nl_flow_socket_create(void)\n+{\n+\tstruct mnl_socket *nl = mnl_socket_open(NETLINK_ROUTE);\n+\n+\tif (nl) {\n+\t\tmnl_socket_setsockopt(nl, NETLINK_CAP_ACK, &(int){ 1 },\n+\t\t\t\t      sizeof(int));\n+\t\tif (!mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID))\n+\t\t\treturn nl;\n+\t}\n+\trte_errno = errno;\n+\tif (nl)\n+\t\tmnl_socket_close(nl);\n+\treturn NULL;\n+}\n+\n+/**\n+ * Destroy a libmnl socket.\n+ */\n+void\n+mlx5_nl_flow_socket_destroy(struct mnl_socket *nl)\n+{\n+\tmnl_socket_close(nl);\n+}\ndiff --git a/mk/rte.app.mk b/mk/rte.app.mk\nindex 7bcf6308d..414f1b967 100644\n--- a/mk/rte.app.mk\n+++ b/mk/rte.app.mk\n@@ -145,7 +145,7 @@ endif\n ifeq ($(CONFIG_RTE_LIBRTE_MLX5_DLOPEN_DEPS),y)\n _LDLIBS-$(CONFIG_RTE_LIBRTE_MLX5_PMD)       += -lrte_pmd_mlx5 -ldl\n else\n-_LDLIBS-$(CONFIG_RTE_LIBRTE_MLX5_PMD)       += -lrte_pmd_mlx5 -libverbs -lmlx5\n+_LDLIBS-$(CONFIG_RTE_LIBRTE_MLX5_PMD)       += -lrte_pmd_mlx5 -libverbs -lmlx5 -lmnl\n endif\n _LDLIBS-$(CONFIG_RTE_LIBRTE_MVPP2_PMD)      += -lrte_pmd_mvpp2 -L$(LIBMUSDK_PATH)/lib -lmusdk\n _LDLIBS-$(CONFIG_RTE_LIBRTE_NFP_PMD)        += -lrte_pmd_nfp\n",
    "prefixes": [
        "v2",
        "1/6"
    ]
}