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{
    "id": 815498,
    "url": "http://patchwork.ozlabs.org/api/patches/815498/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/1505825158-8192-3-git-send-email-razvan.stefanescu@nxp.com/",
    "project": {
        "id": 7,
        "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api",
        "name": "Linux network development",
        "link_name": "netdev",
        "list_id": "netdev.vger.kernel.org",
        "list_email": "netdev@vger.kernel.org",
        "web_url": null,
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    "msgid": "<1505825158-8192-3-git-send-email-razvan.stefanescu@nxp.com>",
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    "date": "2017-09-19T12:45:54",
    "name": "[RESEND,2/6] staging: fsl-dpaa2/ethsw: Add Freescale DPAA2 Ethernet Switch driver",
    "commit_ref": null,
    "pull_url": null,
    "state": "not-applicable",
    "archived": true,
    "hash": "78cb48e36dca99b33c6187e8e0dff6858f9597e8",
    "submitter": {
        "id": 72391,
        "url": "http://patchwork.ozlabs.org/api/people/72391/?format=api",
        "name": "Razvan Stefanescu",
        "email": "razvan.stefanescu@nxp.com"
    },
    "delegate": {
        "id": 34,
        "url": "http://patchwork.ozlabs.org/api/users/34/?format=api",
        "username": "davem",
        "first_name": "David",
        "last_name": "Miller",
        "email": "davem@davemloft.net"
    },
    "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/1505825158-8192-3-git-send-email-razvan.stefanescu@nxp.com/mbox/",
    "series": [
        {
            "id": 3864,
            "url": "http://patchwork.ozlabs.org/api/series/3864/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=3864",
            "date": "2017-09-19T12:45:58",
            "name": "staging: Introduce DPAA2 Ethernet Switch driver",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/3864/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/815498/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/815498/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        ],
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        "From": "Razvan Stefanescu <razvan.stefanescu@nxp.com>",
        "To": "<gregkh@linuxfoundation.org>",
        "CC": "<devel@driverdev.osuosl.org>, <linux-kernel@vger.kernel.org>,\n\t<netdev@vger.kernel.org>, <agraf@suse.de>, <arnd@arndb.de>,\n\t<alexandru.marginean@nxp.com>, <bogdan.purcareata@nxp.com>,\n\t<ruxandra.radulescu@nxp.com>, <laurentiu.tudor@nxp.com>,\n\t<stuyoder@gmail.com>",
        "Subject": "[RESEND PATCH 2/6] staging: fsl-dpaa2/ethsw: Add Freescale DPAA2\n\tEthernet Switch driver",
        "Date": "Tue, 19 Sep 2017 15:45:54 +0300",
        "Message-ID": "<1505825158-8192-3-git-send-email-razvan.stefanescu@nxp.com>",
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        "Sender": "netdev-owner@vger.kernel.org",
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    "content": "Introduce the DPAA2 Ethernet Switch driver, which manages Datapath Switch\n(DPSW) objects discovered on the MC bus.\n\nSuggested-by: Alexandru Marginean <alexandru.marginean@nxp.com>\nSigned-off-by: Razvan Stefanescu <razvan.stefanescu@nxp.com>\n---\n drivers/staging/fsl-dpaa2/ethsw/Makefile |    2 +-\n drivers/staging/fsl-dpaa2/ethsw/ethsw.c  | 1523 ++++++++++++++++++++++++++++++\n drivers/staging/fsl-dpaa2/ethsw/ethsw.h  |   88 ++\n 3 files changed, 1612 insertions(+), 1 deletion(-)\n create mode 100644 drivers/staging/fsl-dpaa2/ethsw/ethsw.c\n create mode 100644 drivers/staging/fsl-dpaa2/ethsw/ethsw.h",
    "diff": "diff --git a/drivers/staging/fsl-dpaa2/ethsw/Makefile b/drivers/staging/fsl-dpaa2/ethsw/Makefile\nindex db137f7..a6d72d1 100644\n--- a/drivers/staging/fsl-dpaa2/ethsw/Makefile\n+++ b/drivers/staging/fsl-dpaa2/ethsw/Makefile\n@@ -4,4 +4,4 @@\n \n obj-$(CONFIG_FSL_DPAA2_ETHSW) += dpaa2-ethsw.o\n \n-dpaa2-ethsw-objs := dpsw.o\n+dpaa2-ethsw-objs := ethsw.o dpsw.o\ndiff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c\nnew file mode 100644\nindex 0000000..ae86078\n--- /dev/null\n+++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c\n@@ -0,0 +1,1523 @@\n+/* Copyright 2014-2016 Freescale Semiconductor Inc.\n+ * Copyright 2017 NXP\n+ *\n+ * Redistribution and use in source and binary forms, with or without\n+ * modification, are permitted provided that the following conditions are met:\n+ *     * Redistributions of source code must retain the above copyright\n+ *\t notice, this list of conditions and the following disclaimer.\n+ *     * Redistributions in binary form must reproduce the above copyright\n+ *\t notice, this list of conditions and the following disclaimer in the\n+ *\t documentation and/or other materials provided with the distribution.\n+ *     * Neither the name of the above-listed copyright holders nor the\n+ *\t names of any contributors may be used to endorse or promote products\n+ *\t derived from this software without specific prior written permission.\n+ *\n+ *\n+ * ALTERNATIVELY, this software may be distributed under the terms of the\n+ * GNU General Public License (\"GPL\") as published by the Free Software\n+ * Foundation, either version 2 of that License or (at your option) any\n+ * later version.\n+ *\n+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\"\n+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\n+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\n+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE\n+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\n+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\n+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n+ * POSSIBILITY OF SUCH DAMAGE.\n+ */\n+\n+#include <linux/module.h>\n+\n+#include <linux/interrupt.h>\n+#include <linux/msi.h>\n+#include <linux/kthread.h>\n+#include <linux/workqueue.h>\n+\n+#include \"../../fsl-mc/include/mc.h\"\n+\n+#include \"ethsw.h\"\n+\n+static struct workqueue_struct *ethsw_owq;\n+\n+/* Minimal supported DPSW version */\n+#define DPSW_MIN_VER_MAJOR\t\t8\n+#define DPSW_MIN_VER_MINOR\t\t0\n+\n+#define DEFAULT_VLAN_ID\t\t\t1\n+\n+static int ethsw_add_vlan(struct ethsw_core *ethsw, u16 vid)\n+{\n+\tint err;\n+\n+\tstruct dpsw_vlan_cfg\tvcfg = {\n+\t\t.fdb_id = 0,\n+\t};\n+\n+\tif (ethsw->vlans[vid]) {\n+\t\tdev_err(ethsw->dev, \"VLAN already configured\\n\");\n+\t\treturn -EEXIST;\n+\t}\n+\n+\terr = dpsw_vlan_add(ethsw->mc_io, 0,\n+\t\t\t    ethsw->dpsw_handle, vid, &vcfg);\n+\tif (err) {\n+\t\tdev_err(ethsw->dev, \"dpsw_vlan_add err %d\\n\", err);\n+\t\treturn err;\n+\t}\n+\tethsw->vlans[vid] = ETHSW_VLAN_MEMBER;\n+\n+\treturn 0;\n+}\n+\n+static int ethsw_port_add_vlan(struct ethsw_port_priv *port_priv,\n+\t\t\t       u16 vid, u16 flags)\n+{\n+\tstruct ethsw_core *ethsw = port_priv->ethsw_data;\n+\tstruct net_device *netdev = port_priv->netdev;\n+\tstruct dpsw_vlan_if_cfg vcfg;\n+\tbool is_oper;\n+\tint err, err2;\n+\n+\tif (port_priv->vlans[vid]) {\n+\t\tnetdev_warn(netdev, \"VLAN %d already configured\\n\", vid);\n+\t\treturn -EEXIST;\n+\t}\n+\n+\tvcfg.num_ifs = 1;\n+\tvcfg.if_id[0] = port_priv->idx;\n+\terr = dpsw_vlan_add_if(ethsw->mc_io, 0, ethsw->dpsw_handle, vid, &vcfg);\n+\tif (err) {\n+\t\tnetdev_err(netdev, \"dpsw_vlan_add_if err %d\\n\", err);\n+\t\treturn err;\n+\t}\n+\n+\tport_priv->vlans[vid] = ETHSW_VLAN_MEMBER;\n+\n+\tif (flags & BRIDGE_VLAN_INFO_UNTAGGED) {\n+\t\terr = dpsw_vlan_add_if_untagged(ethsw->mc_io, 0,\n+\t\t\t\t\t\tethsw->dpsw_handle,\n+\t\t\t\t\t\tvid, &vcfg);\n+\t\tif (err) {\n+\t\t\tnetdev_err(netdev,\n+\t\t\t\t   \"dpsw_vlan_add_if_untagged err %d\\n\", err);\n+\t\t\treturn err;\n+\t\t}\n+\t\tport_priv->vlans[vid] |= ETHSW_VLAN_UNTAGGED;\n+\t}\n+\n+\tif (flags & BRIDGE_VLAN_INFO_PVID) {\n+\t\tstruct dpsw_tci_cfg tci_cfg = {\n+\t\t\t.pcp = 0,\n+\t\t\t.dei = 0,\n+\t\t\t.vlan_id = vid,\n+\t\t};\n+\n+\t\t/* Interface needs to be down to change PVID */\n+\t\tis_oper = netif_oper_up(netdev);\n+\t\tif (is_oper) {\n+\t\t\terr = dpsw_if_disable(ethsw->mc_io, 0,\n+\t\t\t\t\t      ethsw->dpsw_handle,\n+\t\t\t\t\t      port_priv->idx);\n+\t\t\tif (err) {\n+\t\t\t\tnetdev_err(netdev,\n+\t\t\t\t\t   \"dpsw_if_disable err %d\\n\", err);\n+\t\t\t\treturn err;\n+\t\t\t}\n+\t\t}\n+\n+\t\terr = dpsw_if_set_tci(ethsw->mc_io, 0, ethsw->dpsw_handle,\n+\t\t\t\t      port_priv->idx, &tci_cfg);\n+\t\tif (!err) {\n+\t\t\t/* Delete previous PVID info and mark the new one */\n+\t\t\tif (port_priv->pvid)\n+\t\t\t\tport_priv->vlans[port_priv->pvid]\n+\t\t\t\t\t\t ^= ETHSW_VLAN_PVID;\n+\n+\t\t\tport_priv->vlans[vid] |= ETHSW_VLAN_PVID;\n+\t\t\tport_priv->pvid = vid;\n+\t\t} else {\n+\t\t\tnetdev_err(netdev, \"dpsw_if_set_tci err %d\\n\", err);\n+\t\t}\n+\n+\t\tif (is_oper) {\n+\t\t\terr2 = dpsw_if_enable(ethsw->mc_io, 0,\n+\t\t\t\t\t      ethsw->dpsw_handle,\n+\t\t\t\t\t      port_priv->idx);\n+\t\t\tif (err2) {\n+\t\t\t\tnetdev_err(netdev,\n+\t\t\t\t\t   \"dpsw_if_enable err %d\\n\", err2);\n+\t\t\t\treturn err2;\n+\t\t\t}\n+\t\t}\n+\t}\n+\n+\treturn err;\n+}\n+\n+static int ethsw_set_learning(struct ethsw_core *ethsw, u8 flag)\n+{\n+\tenum dpsw_fdb_learning_mode learn_mode;\n+\tint err;\n+\n+\tif (flag)\n+\t\tlearn_mode = DPSW_FDB_LEARNING_MODE_HW;\n+\telse\n+\t\tlearn_mode = DPSW_FDB_LEARNING_MODE_DIS;\n+\n+\terr = dpsw_fdb_set_learning_mode(ethsw->mc_io, 0, ethsw->dpsw_handle, 0,\n+\t\t\t\t\t learn_mode);\n+\tif (err) {\n+\t\tdev_err(ethsw->dev, \"dpsw_fdb_set_learning_mode err %d\\n\", err);\n+\t\treturn err;\n+\t}\n+\tethsw->learning = !!flag;\n+\n+\treturn 0;\n+}\n+\n+static int ethsw_port_set_flood(struct ethsw_port_priv *port_priv, u8 flag)\n+{\n+\tint err;\n+\n+\terr = dpsw_if_set_flooding(port_priv->ethsw_data->mc_io, 0,\n+\t\t\t\t   port_priv->ethsw_data->dpsw_handle,\n+\t\t\t\t   port_priv->idx, (int)flag);\n+\tif (err) {\n+\t\tnetdev_err(port_priv->netdev,\n+\t\t\t   \"dpsw_fdb_set_learning_mode err %d\\n\", err);\n+\t\treturn err;\n+\t}\n+\tport_priv->flood = !!flag;\n+\n+\treturn 0;\n+}\n+\n+static int ethsw_port_set_stp_state(struct ethsw_port_priv *port_priv, u8 state)\n+{\n+\tstruct dpsw_stp_cfg stp_cfg = {\n+\t\t.vlan_id = DEFAULT_VLAN_ID,\n+\t\t.state = state,\n+\t};\n+\tint err;\n+\n+\tif (!netif_oper_up(port_priv->netdev) || state == port_priv->stp_state)\n+\t\treturn 0;\t/* Nothing to do */\n+\n+\terr = dpsw_if_set_stp(port_priv->ethsw_data->mc_io, 0,\n+\t\t\t      port_priv->ethsw_data->dpsw_handle,\n+\t\t\t      port_priv->idx, &stp_cfg);\n+\tif (err) {\n+\t\tnetdev_err(port_priv->netdev,\n+\t\t\t   \"dpsw_if_set_stp err %d\\n\", err);\n+\t\treturn err;\n+\t}\n+\n+\tport_priv->stp_state = state;\n+\n+\treturn 0;\n+}\n+\n+static int ethsw_dellink_switch(struct ethsw_core *ethsw, u16 vid)\n+{\n+\tstruct ethsw_port_priv *ppriv_local = NULL;\n+\tint i, err;\n+\n+\tif (!ethsw->vlans[vid])\n+\t\treturn -ENOENT;\n+\n+\terr = dpsw_vlan_remove(ethsw->mc_io, 0, ethsw->dpsw_handle, vid);\n+\tif (err) {\n+\t\tdev_err(ethsw->dev, \"dpsw_vlan_remove err %d\\n\", err);\n+\t\treturn err;\n+\t}\n+\tethsw->vlans[vid] = 0;\n+\n+\tfor (i = 0; i < ethsw->sw_attr.num_ifs; i++) {\n+\t\tppriv_local = ethsw->ports[i];\n+\t\tppriv_local->vlans[vid] = 0;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+static int ethsw_port_fdb_add_uc(struct ethsw_port_priv *port_priv,\n+\t\t\t\t const unsigned char *addr)\n+{\n+\tstruct dpsw_fdb_unicast_cfg entry = {0};\n+\tint err;\n+\n+\tentry.if_egress = port_priv->idx;\n+\tentry.type = DPSW_FDB_ENTRY_STATIC;\n+\tether_addr_copy(entry.mac_addr, addr);\n+\n+\terr = dpsw_fdb_add_unicast(port_priv->ethsw_data->mc_io, 0,\n+\t\t\t\t   port_priv->ethsw_data->dpsw_handle,\n+\t\t\t\t   0, &entry);\n+\tif (err)\n+\t\tnetdev_err(port_priv->netdev,\n+\t\t\t   \"dpsw_fdb_add_unicast err %d\\n\", err);\n+\treturn err;\n+}\n+\n+static int ethsw_port_fdb_del_uc(struct ethsw_port_priv *port_priv,\n+\t\t\t\t const unsigned char *addr)\n+{\n+\tstruct dpsw_fdb_unicast_cfg entry = {0};\n+\tint err;\n+\n+\tentry.if_egress = port_priv->idx;\n+\tentry.type = DPSW_FDB_ENTRY_STATIC;\n+\tether_addr_copy(entry.mac_addr, addr);\n+\n+\terr = dpsw_fdb_remove_unicast(port_priv->ethsw_data->mc_io, 0,\n+\t\t\t\t      port_priv->ethsw_data->dpsw_handle,\n+\t\t\t\t      0, &entry);\n+\tif (err)\n+\t\tnetdev_err(port_priv->netdev,\n+\t\t\t   \"dpsw_fdb_remove_unicast err %d\\n\", err);\n+\treturn err;\n+}\n+\n+static int ethsw_port_fdb_add_mc(struct ethsw_port_priv *port_priv,\n+\t\t\t\t const unsigned char *addr)\n+{\n+\tstruct dpsw_fdb_multicast_cfg entry = {0};\n+\tint err;\n+\n+\tether_addr_copy(entry.mac_addr, addr);\n+\tentry.type = DPSW_FDB_ENTRY_STATIC;\n+\tentry.num_ifs = 1;\n+\tentry.if_id[0] = port_priv->idx;\n+\n+\terr = dpsw_fdb_add_multicast(port_priv->ethsw_data->mc_io, 0,\n+\t\t\t\t     port_priv->ethsw_data->dpsw_handle,\n+\t\t\t\t     0, &entry);\n+\tif (err)\n+\t\tnetdev_err(port_priv->netdev, \"dpsw_fdb_add_multicast err %d\\n\",\n+\t\t\t   err);\n+\treturn err;\n+}\n+\n+static int ethsw_port_fdb_del_mc(struct ethsw_port_priv *port_priv,\n+\t\t\t\t const unsigned char *addr)\n+{\n+\tstruct dpsw_fdb_multicast_cfg entry = {0};\n+\tint err;\n+\n+\tether_addr_copy(entry.mac_addr, addr);\n+\tentry.type = DPSW_FDB_ENTRY_STATIC;\n+\tentry.num_ifs = 1;\n+\tentry.if_id[0] = port_priv->idx;\n+\n+\terr = dpsw_fdb_remove_multicast(port_priv->ethsw_data->mc_io, 0,\n+\t\t\t\t\tport_priv->ethsw_data->dpsw_handle,\n+\t\t\t\t\t0, &entry);\n+\tif (err)\n+\t\tnetdev_err(port_priv->netdev,\n+\t\t\t   \"dpsw_fdb_remove_multicast err %d\\n\", err);\n+\treturn err;\n+}\n+\n+static void port_get_stats(struct net_device *netdev,\n+\t\t\t   struct rtnl_link_stats64 *stats)\n+{\n+\tstruct ethsw_port_priv *port_priv = netdev_priv(netdev);\n+\tu64 tmp;\n+\tint err;\n+\n+\terr = dpsw_if_get_counter(port_priv->ethsw_data->mc_io, 0,\n+\t\t\t\t  port_priv->ethsw_data->dpsw_handle,\n+\t\t\t\t  port_priv->idx,\n+\t\t\t\t  DPSW_CNT_ING_FRAME, &stats->rx_packets);\n+\tif (err)\n+\t\tgoto error;\n+\n+\terr = dpsw_if_get_counter(port_priv->ethsw_data->mc_io, 0,\n+\t\t\t\t  port_priv->ethsw_data->dpsw_handle,\n+\t\t\t\t  port_priv->idx,\n+\t\t\t\t  DPSW_CNT_EGR_FRAME, &stats->tx_packets);\n+\tif (err)\n+\t\tgoto error;\n+\n+\terr = dpsw_if_get_counter(port_priv->ethsw_data->mc_io, 0,\n+\t\t\t\t  port_priv->ethsw_data->dpsw_handle,\n+\t\t\t\t  port_priv->idx,\n+\t\t\t\t  DPSW_CNT_ING_BYTE, &stats->rx_bytes);\n+\tif (err)\n+\t\tgoto error;\n+\n+\terr = dpsw_if_get_counter(port_priv->ethsw_data->mc_io, 0,\n+\t\t\t\t  port_priv->ethsw_data->dpsw_handle,\n+\t\t\t\t  port_priv->idx,\n+\t\t\t\t  DPSW_CNT_EGR_BYTE, &stats->tx_bytes);\n+\tif (err)\n+\t\tgoto error;\n+\n+\terr = dpsw_if_get_counter(port_priv->ethsw_data->mc_io, 0,\n+\t\t\t\t  port_priv->ethsw_data->dpsw_handle,\n+\t\t\t\t  port_priv->idx,\n+\t\t\t\t  DPSW_CNT_ING_FRAME_DISCARD,\n+\t\t\t\t  &stats->rx_dropped);\n+\tif (err)\n+\t\tgoto error;\n+\n+\terr = dpsw_if_get_counter(port_priv->ethsw_data->mc_io, 0,\n+\t\t\t\t  port_priv->ethsw_data->dpsw_handle,\n+\t\t\t\t  port_priv->idx,\n+\t\t\t\t  DPSW_CNT_ING_FLTR_FRAME,\n+\t\t\t\t  &tmp);\n+\tif (err)\n+\t\tgoto error;\n+\tstats->rx_dropped += tmp;\n+\n+\terr = dpsw_if_get_counter(port_priv->ethsw_data->mc_io, 0,\n+\t\t\t\t  port_priv->ethsw_data->dpsw_handle,\n+\t\t\t\t  port_priv->idx,\n+\t\t\t\t  DPSW_CNT_EGR_FRAME_DISCARD,\n+\t\t\t\t  &stats->tx_dropped);\n+\tif (err)\n+\t\tgoto error;\n+\n+\treturn;\n+\n+error:\n+\tnetdev_err(netdev, \"dpsw_if_get_counter err %d\\n\", err);\n+}\n+\n+static bool port_has_offload_stats(const struct net_device *netdev,\n+\t\t\t\t   int attr_id)\n+{\n+\treturn (attr_id == IFLA_OFFLOAD_XSTATS_CPU_HIT);\n+}\n+\n+static int port_get_offload_stats(int attr_id,\n+\t\t\t\t  const struct net_device *netdev,\n+\t\t\t\t  void *sp)\n+{\n+\tswitch (attr_id) {\n+\tcase IFLA_OFFLOAD_XSTATS_CPU_HIT:\n+\t\tport_get_stats((struct net_device *)netdev, sp);\n+\t\treturn 0;\n+\t}\n+\n+\treturn -EINVAL;\n+}\n+\n+static int port_change_mtu(struct net_device *netdev, int mtu)\n+{\n+\tstruct ethsw_port_priv *port_priv = netdev_priv(netdev);\n+\tint err;\n+\n+\terr = dpsw_if_set_max_frame_length(port_priv->ethsw_data->mc_io,\n+\t\t\t\t\t   0,\n+\t\t\t\t\t   port_priv->ethsw_data->dpsw_handle,\n+\t\t\t\t\t   port_priv->idx,\n+\t\t\t\t\t   (u16)ETHSW_L2_MAX_FRM(mtu));\n+\tif (err) {\n+\t\tnetdev_err(netdev,\n+\t\t\t   \"dpsw_if_set_max_frame_length() err %d\\n\", err);\n+\t\treturn err;\n+\t}\n+\n+\tnetdev->mtu = mtu;\n+\treturn 0;\n+}\n+\n+static int port_carrier_state_sync(struct net_device *netdev)\n+{\n+\tstruct ethsw_port_priv *port_priv = netdev_priv(netdev);\n+\tstruct dpsw_link_state state;\n+\tint err;\n+\n+\terr = dpsw_if_get_link_state(port_priv->ethsw_data->mc_io, 0,\n+\t\t\t\t     port_priv->ethsw_data->dpsw_handle,\n+\t\t\t\t     port_priv->idx, &state);\n+\tif (err) {\n+\t\tnetdev_err(netdev, \"dpsw_if_get_link_state() err %d\\n\", err);\n+\t\treturn err;\n+\t}\n+\n+\tWARN_ONCE(state.up > 1, \"Garbage read into link_state\");\n+\n+\tif (state.up != port_priv->link_state) {\n+\t\tif (state.up)\n+\t\t\tnetif_carrier_on(netdev);\n+\t\telse\n+\t\t\tnetif_carrier_off(netdev);\n+\t\tport_priv->link_state = state.up;\n+\t}\n+\treturn 0;\n+}\n+\n+static int port_open(struct net_device *netdev)\n+{\n+\tstruct ethsw_port_priv *port_priv = netdev_priv(netdev);\n+\tint err;\n+\n+\t/* No need to allow Tx as control interface is disabled */\n+\tnetif_tx_stop_all_queues(netdev);\n+\n+\terr = dpsw_if_enable(port_priv->ethsw_data->mc_io, 0,\n+\t\t\t     port_priv->ethsw_data->dpsw_handle,\n+\t\t\t     port_priv->idx);\n+\tif (err) {\n+\t\tnetdev_err(netdev, \"dpsw_if_enable err %d\\n\", err);\n+\t\treturn err;\n+\t}\n+\n+\t/* sync carrier state */\n+\terr = port_carrier_state_sync(netdev);\n+\tif (err) {\n+\t\tnetdev_err(netdev,\n+\t\t\t   \"port_carrier_state_sync err %d\\n\", err);\n+\t\tgoto err_carrier_sync;\n+\t}\n+\n+\treturn 0;\n+\n+err_carrier_sync:\n+\tdpsw_if_disable(port_priv->ethsw_data->mc_io, 0,\n+\t\t\tport_priv->ethsw_data->dpsw_handle,\n+\t\t\tport_priv->idx);\n+\treturn err;\n+}\n+\n+static int port_stop(struct net_device *netdev)\n+{\n+\tstruct ethsw_port_priv *port_priv = netdev_priv(netdev);\n+\tint err;\n+\n+\terr = dpsw_if_disable(port_priv->ethsw_data->mc_io, 0,\n+\t\t\t      port_priv->ethsw_data->dpsw_handle,\n+\t\t\t      port_priv->idx);\n+\tif (err) {\n+\t\tnetdev_err(netdev, \"dpsw_if_disable err %d\\n\", err);\n+\t\treturn err;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+static netdev_tx_t port_dropframe(struct sk_buff *skb,\n+\t\t\t\t  struct net_device *netdev)\n+{\n+\t/* we don't support I/O for now, drop the frame */\n+\tdev_kfree_skb_any(skb);\n+\n+\treturn NETDEV_TX_OK;\n+}\n+\n+static const struct net_device_ops ethsw_port_ops = {\n+\t.ndo_open\t\t= port_open,\n+\t.ndo_stop\t\t= port_stop,\n+\n+\t.ndo_set_mac_address\t= eth_mac_addr,\n+\t.ndo_change_mtu\t\t= port_change_mtu,\n+\t.ndo_has_offload_stats\t= port_has_offload_stats,\n+\t.ndo_get_offload_stats\t= port_get_offload_stats,\n+\n+\t.ndo_start_xmit\t\t= port_dropframe,\n+};\n+\n+static void ethsw_links_state_update(struct ethsw_core *ethsw)\n+{\n+\tint i;\n+\n+\tfor (i = 0; i < ethsw->sw_attr.num_ifs; i++)\n+\t\tport_carrier_state_sync(ethsw->ports[i]->netdev);\n+}\n+\n+static irqreturn_t ethsw_irq0_handler(int irq_num, void *arg)\n+{\n+\treturn IRQ_WAKE_THREAD;\n+}\n+\n+static irqreturn_t ethsw_irq0_handler_thread(int irq_num, void *arg)\n+{\n+\tstruct device *dev = (struct device *)arg;\n+\tstruct ethsw_core *ethsw = dev_get_drvdata(dev);\n+\n+\t/* Mask the events and the if_id reserved bits to be cleared on read */\n+\tu32 status = DPSW_IRQ_EVENT_LINK_CHANGED | 0xFFFF0000;\n+\tint err;\n+\n+\terr = dpsw_get_irq_status(ethsw->mc_io, 0, ethsw->dpsw_handle,\n+\t\t\t\t  DPSW_IRQ_INDEX_IF, &status);\n+\tif (err) {\n+\t\tdev_err(dev, \"Can't get irq status (err %d)\", err);\n+\n+\t\terr = dpsw_clear_irq_status(ethsw->mc_io, 0, ethsw->dpsw_handle,\n+\t\t\t\t\t    DPSW_IRQ_INDEX_IF, 0xFFFFFFFF);\n+\t\tif (err)\n+\t\t\tdev_err(dev, \"Can't clear irq status (err %d)\", err);\n+\t\tgoto out;\n+\t}\n+\n+\tif (status & DPSW_IRQ_EVENT_LINK_CHANGED)\n+\t\tethsw_links_state_update(ethsw);\n+\n+out:\n+\treturn IRQ_HANDLED;\n+}\n+\n+static int ethsw_setup_irqs(struct fsl_mc_device *sw_dev)\n+{\n+\tstruct device *dev = &sw_dev->dev;\n+\tstruct ethsw_core *ethsw = dev_get_drvdata(dev);\n+\tu32 mask = DPSW_IRQ_EVENT_LINK_CHANGED;\n+\tstruct fsl_mc_device_irq *irq;\n+\tint err;\n+\n+\terr = fsl_mc_allocate_irqs(sw_dev);\n+\tif (err) {\n+\t\tdev_err(dev, \"MC irqs allocation failed\\n\");\n+\t\treturn err;\n+\t}\n+\n+\tif (WARN_ON(sw_dev->obj_desc.irq_count != DPSW_IRQ_NUM)) {\n+\t\terr = -EINVAL;\n+\t\tgoto free_irq;\n+\t}\n+\n+\terr = dpsw_set_irq_enable(ethsw->mc_io, 0, ethsw->dpsw_handle,\n+\t\t\t\t  DPSW_IRQ_INDEX_IF, 0);\n+\tif (err) {\n+\t\tdev_err(dev, \"dpsw_set_irq_enable err %d\\n\", err);\n+\t\tgoto free_irq;\n+\t}\n+\n+\tirq = sw_dev->irqs[DPSW_IRQ_INDEX_IF];\n+\n+\terr = devm_request_threaded_irq(dev, irq->msi_desc->irq,\n+\t\t\t\t\tethsw_irq0_handler,\n+\t\t\t\t\tethsw_irq0_handler_thread,\n+\t\t\t\t\tIRQF_NO_SUSPEND | IRQF_ONESHOT,\n+\t\t\t\t\tdev_name(dev), dev);\n+\tif (err) {\n+\t\tdev_err(dev, \"devm_request_threaded_irq(): %d\", err);\n+\t\tgoto free_irq;\n+\t}\n+\n+\terr = dpsw_set_irq_mask(ethsw->mc_io, 0, ethsw->dpsw_handle,\n+\t\t\t\tDPSW_IRQ_INDEX_IF, mask);\n+\tif (err) {\n+\t\tdev_err(dev, \"dpsw_set_irq_mask(): %d\", err);\n+\t\tgoto free_devm_irq;\n+\t}\n+\n+\terr = dpsw_set_irq_enable(ethsw->mc_io, 0, ethsw->dpsw_handle,\n+\t\t\t\t  DPSW_IRQ_INDEX_IF, 1);\n+\tif (err) {\n+\t\tdev_err(dev, \"dpsw_set_irq_enable(): %d\", err);\n+\t\tgoto free_devm_irq;\n+\t}\n+\n+\treturn 0;\n+\n+free_devm_irq:\n+\tdevm_free_irq(dev, irq->msi_desc->irq, dev);\n+free_irq:\n+\tfsl_mc_free_irqs(sw_dev);\n+\treturn err;\n+}\n+\n+static void ethsw_teardown_irqs(struct fsl_mc_device *sw_dev)\n+{\n+\tstruct device *dev = &sw_dev->dev;\n+\tstruct ethsw_core *ethsw = dev_get_drvdata(dev);\n+\tstruct fsl_mc_device_irq *irq;\n+\n+\tirq = sw_dev->irqs[DPSW_IRQ_INDEX_IF];\n+\tdpsw_set_irq_enable(ethsw->mc_io, 0, ethsw->dpsw_handle,\n+\t\t\t    DPSW_IRQ_INDEX_IF, 0);\n+\tfsl_mc_free_irqs(sw_dev);\n+}\n+\n+static int swdev_port_attr_get(struct net_device *netdev,\n+\t\t\t       struct switchdev_attr *attr)\n+{\n+\tstruct ethsw_port_priv *port_priv = netdev_priv(netdev);\n+\n+\tswitch (attr->id) {\n+\tcase SWITCHDEV_ATTR_ID_PORT_PARENT_ID:\n+\t\tattr->u.ppid.id_len = 1;\n+\t\tattr->u.ppid.id[0] = port_priv->ethsw_data->dev_id;\n+\t\tbreak;\n+\tcase SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:\n+\t\tattr->u.brport_flags =\n+\t\t\t(port_priv->ethsw_data->learning ? BR_LEARNING : 0) |\n+\t\t\t(port_priv->flood ? BR_FLOOD : 0);\n+\t\tbreak;\n+\tcase SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT:\n+\t\tattr->u.brport_flags_support = BR_LEARNING | BR_FLOOD;\n+\t\tbreak;\n+\tdefault:\n+\t\treturn -EOPNOTSUPP;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+static int port_attr_stp_state_set(struct net_device *netdev,\n+\t\t\t\t   struct switchdev_trans *trans,\n+\t\t\t\t   u8 state)\n+{\n+\tstruct ethsw_port_priv *port_priv = netdev_priv(netdev);\n+\n+\tif (switchdev_trans_ph_prepare(trans))\n+\t\treturn 0;\n+\n+\treturn ethsw_port_set_stp_state(port_priv, state);\n+}\n+\n+static int port_attr_br_flags_set(struct net_device *netdev,\n+\t\t\t\t  struct switchdev_trans *trans,\n+\t\t\t\t  unsigned long flags)\n+{\n+\tstruct ethsw_port_priv *port_priv = netdev_priv(netdev);\n+\tint err = 0;\n+\n+\tif (switchdev_trans_ph_prepare(trans))\n+\t\treturn 0;\n+\n+\t/* Learning is enabled per switch */\n+\terr = ethsw_set_learning(port_priv->ethsw_data, flags & BR_LEARNING);\n+\tif (err)\n+\t\tgoto exit;\n+\n+\terr = ethsw_port_set_flood(port_priv, flags & BR_FLOOD);\n+\n+exit:\n+\treturn err;\n+}\n+\n+static int swdev_port_attr_set(struct net_device *netdev,\n+\t\t\t       const struct switchdev_attr *attr,\n+\t\t\t       struct switchdev_trans *trans)\n+{\n+\tint err = 0;\n+\n+\tswitch (attr->id) {\n+\tcase SWITCHDEV_ATTR_ID_PORT_STP_STATE:\n+\t\terr = port_attr_stp_state_set(netdev, trans,\n+\t\t\t\t\t      attr->u.stp_state);\n+\t\tbreak;\n+\tcase SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:\n+\t\terr = port_attr_br_flags_set(netdev, trans,\n+\t\t\t\t\t     attr->u.brport_flags);\n+\t\tbreak;\n+\tcase SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING:\n+\t\t/* VLANs are supported by default  */\n+\t\tbreak;\n+\tdefault:\n+\t\terr = -EOPNOTSUPP;\n+\t\tbreak;\n+\t}\n+\n+\treturn err;\n+}\n+\n+static int port_vlans_add(struct net_device *netdev,\n+\t\t\t  const struct switchdev_obj_port_vlan *vlan,\n+\t\t\t  struct switchdev_trans *trans)\n+{\n+\tstruct ethsw_port_priv *port_priv = netdev_priv(netdev);\n+\tint vid, err;\n+\n+\tif (switchdev_trans_ph_prepare(trans))\n+\t\treturn 0;\n+\n+\tfor (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) {\n+\t\tif (!port_priv->ethsw_data->vlans[vid]) {\n+\t\t\t/* this is a new VLAN */\n+\t\t\terr = ethsw_add_vlan(port_priv->ethsw_data, vid);\n+\t\t\tif (err)\n+\t\t\t\treturn err;\n+\n+\t\t\tport_priv->ethsw_data->vlans[vid] |= ETHSW_VLAN_GLOBAL;\n+\t\t}\n+\t\terr = ethsw_port_add_vlan(port_priv, vid, vlan->flags);\n+\t\tif (err)\n+\t\t\tbreak;\n+\t}\n+\n+\treturn err;\n+}\n+\n+static int port_lookup_address(struct net_device *netdev, int is_uc,\n+\t\t\t       const unsigned char *addr)\n+{\n+\tstruct netdev_hw_addr_list *list = (is_uc) ? &netdev->uc : &netdev->mc;\n+\tstruct netdev_hw_addr *ha;\n+\n+\tnetif_addr_lock_bh(netdev);\n+\tlist_for_each_entry(ha, &list->list, list) {\n+\t\tif (ether_addr_equal(ha->addr, addr)) {\n+\t\t\tnetif_addr_unlock_bh(netdev);\n+\t\t\treturn 1;\n+\t\t}\n+\t}\n+\tnetif_addr_unlock_bh(netdev);\n+\treturn 0;\n+}\n+\n+static int port_mdb_add(struct net_device *netdev,\n+\t\t\tconst struct switchdev_obj_port_mdb *mdb,\n+\t\t\tstruct switchdev_trans *trans)\n+{\n+\tstruct ethsw_port_priv *port_priv = netdev_priv(netdev);\n+\tint err;\n+\n+\tif (switchdev_trans_ph_prepare(trans))\n+\t\treturn 0;\n+\n+\t/* Check if address is already set on this port */\n+\tif (port_lookup_address(netdev, 0, mdb->addr))\n+\t\treturn -EEXIST;\n+\n+\terr = ethsw_port_fdb_add_mc(port_priv, mdb->addr);\n+\tif (err)\n+\t\treturn err;\n+\n+\terr = dev_mc_add(netdev, mdb->addr);\n+\tif (err)\n+\t\tnetdev_err(netdev, \"dev_mc_add err %d\\n\", err);\n+\n+\treturn err;\n+}\n+\n+static int swdev_port_obj_add(struct net_device *netdev,\n+\t\t\t      const struct switchdev_obj *obj,\n+\t\t\t      struct switchdev_trans *trans)\n+{\n+\tint err;\n+\n+\tswitch (obj->id) {\n+\tcase SWITCHDEV_OBJ_ID_PORT_VLAN:\n+\t\terr = port_vlans_add(netdev,\n+\t\t\t\t     SWITCHDEV_OBJ_PORT_VLAN(obj),\n+\t\t\t\t     trans);\n+\t\tbreak;\n+\tcase SWITCHDEV_OBJ_ID_PORT_MDB:\n+\t\terr = port_mdb_add(netdev,\n+\t\t\t\t   SWITCHDEV_OBJ_PORT_MDB(obj),\n+\t\t\t\t   trans);\n+\t\tbreak;\n+\tdefault:\n+\t\terr = -EOPNOTSUPP;\n+\t\tbreak;\n+\t}\n+\n+\treturn err;\n+}\n+\n+static int ethsw_port_del_vlan(struct ethsw_port_priv *port_priv, u16 vid)\n+{\n+\tstruct ethsw_core *ethsw = port_priv->ethsw_data;\n+\tstruct net_device *netdev = port_priv->netdev;\n+\tstruct dpsw_vlan_if_cfg vcfg;\n+\tint i, err, err2;\n+\tbool is_oper;\n+\n+\tif (!port_priv->vlans[vid])\n+\t\treturn -ENOENT;\n+\n+\tif (port_priv->vlans[vid] & ETHSW_VLAN_PVID) {\n+\t\tstruct dpsw_tci_cfg tci_cfg = { 0 };\n+\t\t/* Interface needs to be down to change PVID */\n+\t\tis_oper = netif_oper_up(netdev);\n+\n+\t\tif (is_oper) {\n+\t\t\terr = dpsw_if_disable(ethsw->mc_io, 0,\n+\t\t\t\t\t      ethsw->dpsw_handle,\n+\t\t\t\t\t      port_priv->idx);\n+\t\t\tif (err) {\n+\t\t\t\tnetdev_err(netdev, \"dpsw_if_disable err %d\\n\",\n+\t\t\t\t\t   err);\n+\t\t\t\tgoto exit_err;\n+\t\t\t}\n+\t\t}\n+\n+\t\terr = dpsw_if_set_tci(ethsw->mc_io, 0,\n+\t\t\t\t      ethsw->dpsw_handle,\n+\t\t\t\t      port_priv->idx, &tci_cfg);\n+\t\tif (!err) {\n+\t\t\tport_priv->vlans[vid] &= ~ETHSW_VLAN_PVID;\n+\t\t\tport_priv->pvid = 0;\n+\t\t} else {\n+\t\t\tnetdev_err(netdev, \"dpsw_if_set_tci err %d\\n\", err);\n+\t\t}\n+\n+\t\tif (is_oper) {\n+\t\t\terr2 = dpsw_if_enable(ethsw->mc_io, 0,\n+\t\t\t\t\t      ethsw->dpsw_handle,\n+\t\t\t\t\t      port_priv->idx);\n+\t\t\tif (err2) {\n+\t\t\t\tnetdev_err(netdev, \"dpsw_if_enable err %d\\n\",\n+\t\t\t\t\t   err2);\n+\t\t\t\treturn err2;\n+\t\t\t}\n+\t\t}\n+\n+\t\tif (err)\n+\t\t\tgoto exit_err;\n+\t}\n+\n+\tvcfg.num_ifs = 1;\n+\tvcfg.if_id[0] = port_priv->idx;\n+\tif (port_priv->vlans[vid] & ETHSW_VLAN_UNTAGGED) {\n+\t\terr = dpsw_vlan_remove_if_untagged(ethsw->mc_io, 0,\n+\t\t\t\t\t\t   ethsw->dpsw_handle,\n+\t\t\t\t\t\t   vid, &vcfg);\n+\t\tif (err) {\n+\t\t\tnetdev_err(netdev,\n+\t\t\t\t   \"dpsw_vlan_remove_if_untagged err %d\\n\",\n+\t\t\t\t   err);\n+\t\t}\n+\t\tport_priv->vlans[vid] &= ~ETHSW_VLAN_UNTAGGED;\n+\t}\n+\n+\tif (port_priv->vlans[vid] & ETHSW_VLAN_MEMBER) {\n+\t\terr = dpsw_vlan_remove_if(ethsw->mc_io, 0, ethsw->dpsw_handle,\n+\t\t\t\t\t  vid, &vcfg);\n+\t\tif (err) {\n+\t\t\tnetdev_err(netdev,\n+\t\t\t\t   \"dpsw_vlan_remove_if err %d\\n\", err);\n+\t\t\treturn err;\n+\t\t}\n+\t\tport_priv->vlans[vid] &= ~ETHSW_VLAN_MEMBER;\n+\n+\t\t/* Delete VLAN from switch if it is no longer configured on\n+\t\t * any port\n+\t\t */\n+\t\tfor (i = 0; i < ethsw->sw_attr.num_ifs; i++)\n+\t\t\tif (ethsw->ports[i]->vlans[vid] & ETHSW_VLAN_MEMBER)\n+\t\t\t\treturn 0; /* Found a port member in VID */\n+\n+\t\tethsw->vlans[vid] &= ~ETHSW_VLAN_GLOBAL;\n+\n+\t\terr = ethsw_dellink_switch(ethsw, vid);\n+\t\tif (err)\n+\t\t\tgoto exit_err;\n+\t}\n+\n+\treturn 0;\n+exit_err:\n+\treturn err;\n+}\n+\n+static int port_vlans_del(struct net_device *netdev,\n+\t\t\t  const struct switchdev_obj_port_vlan *vlan)\n+{\n+\tstruct ethsw_port_priv *port_priv = netdev_priv(netdev);\n+\tint vid, err;\n+\n+\tfor (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) {\n+\t\terr = ethsw_port_del_vlan(port_priv, vid);\n+\t\tif (err)\n+\t\t\tbreak;\n+\t}\n+\n+\treturn err;\n+}\n+\n+static int port_mdb_del(struct net_device *netdev,\n+\t\t\tconst struct switchdev_obj_port_mdb *mdb)\n+{\n+\tstruct ethsw_port_priv *port_priv = netdev_priv(netdev);\n+\tint err;\n+\n+\tif (!port_lookup_address(netdev, 0, mdb->addr))\n+\t\treturn -ENOENT;\n+\n+\terr = ethsw_port_fdb_del_mc(port_priv, mdb->addr);\n+\tif (err)\n+\t\treturn err;\n+\n+\terr = dev_mc_del(netdev, mdb->addr);\n+\tif (err) {\n+\t\tnetdev_err(netdev, \"dev_mc_del err %d\\n\", err);\n+\t\treturn err;\n+\t}\n+\n+\treturn err;\n+}\n+\n+static int swdev_port_obj_del(struct net_device *netdev,\n+\t\t\t      const struct switchdev_obj *obj)\n+{\n+\tint err;\n+\n+\tswitch (obj->id) {\n+\tcase SWITCHDEV_OBJ_ID_PORT_VLAN:\n+\t\terr = port_vlans_del(netdev, SWITCHDEV_OBJ_PORT_VLAN(obj));\n+\t\tbreak;\n+\tcase SWITCHDEV_OBJ_ID_PORT_MDB:\n+\t\terr = port_mdb_del(netdev, SWITCHDEV_OBJ_PORT_MDB(obj));\n+\t\tbreak;\n+\tdefault:\n+\t\terr = -EOPNOTSUPP;\n+\t\tbreak;\n+\t}\n+\treturn err;\n+}\n+\n+static const struct switchdev_ops ethsw_port_switchdev_ops = {\n+\t.switchdev_port_attr_get\t= swdev_port_attr_get,\n+\t.switchdev_port_attr_set\t= swdev_port_attr_set,\n+\t.switchdev_port_obj_add\t\t= swdev_port_obj_add,\n+\t.switchdev_port_obj_del\t\t= swdev_port_obj_del,\n+};\n+\n+/* For the moment, only flood setting needs to be updated */\n+static int port_bridge_join(struct net_device *netdev)\n+{\n+\tstruct ethsw_port_priv *port_priv = netdev_priv(netdev);\n+\n+\t/* Enable flooding */\n+\treturn ethsw_port_set_flood(port_priv, 1);\n+}\n+\n+static int port_bridge_leave(struct net_device *netdev)\n+{\n+\tstruct ethsw_port_priv *port_priv = netdev_priv(netdev);\n+\n+\t/* Disable flooding */\n+\treturn ethsw_port_set_flood(port_priv, 0);\n+}\n+\n+static int port_netdevice_event(struct notifier_block *unused,\n+\t\t\t\tunsigned long event, void *ptr)\n+{\n+\tstruct net_device *netdev = netdev_notifier_info_to_dev(ptr);\n+\tstruct netdev_notifier_changeupper_info *info = ptr;\n+\tstruct net_device *upper_dev;\n+\tint err = 0;\n+\n+\tif (netdev->netdev_ops != &ethsw_port_ops)\n+\t\treturn NOTIFY_DONE;\n+\n+\t/* Handle just upper dev link/unlink for the moment */\n+\tif (event == NETDEV_CHANGEUPPER) {\n+\t\tupper_dev = info->upper_dev;\n+\t\tif (netif_is_bridge_master(upper_dev)) {\n+\t\t\tif (info->linking)\n+\t\t\t\terr = port_bridge_join(netdev);\n+\t\t\telse\n+\t\t\t\terr = port_bridge_leave(netdev);\n+\t\t}\n+\t}\n+\n+\treturn notifier_from_errno(err);\n+}\n+\n+static struct notifier_block port_nb __read_mostly = {\n+\t.notifier_call = port_netdevice_event,\n+};\n+\n+struct ethsw_switchdev_event_work {\n+\tstruct work_struct work;\n+\tstruct switchdev_notifier_fdb_info fdb_info;\n+\tstruct net_device *dev;\n+\tunsigned long event;\n+};\n+\n+static void ethsw_switchdev_event_work(struct work_struct *work)\n+{\n+\tstruct ethsw_switchdev_event_work *switchdev_work =\n+\t\tcontainer_of(work, struct ethsw_switchdev_event_work, work);\n+\tstruct net_device *dev = switchdev_work->dev;\n+\tstruct switchdev_notifier_fdb_info *fdb_info;\n+\tstruct ethsw_port_priv *port_priv;\n+\n+\trtnl_lock();\n+\tport_priv = netdev_priv(dev);\n+\tfdb_info = &switchdev_work->fdb_info;\n+\n+\tswitch (switchdev_work->event) {\n+\tcase SWITCHDEV_FDB_ADD_TO_DEVICE:\n+\t\tethsw_port_fdb_add_uc(netdev_priv(dev), fdb_info->addr);\n+\t\tbreak;\n+\tcase SWITCHDEV_FDB_DEL_TO_DEVICE:\n+\t\tethsw_port_fdb_del_uc(netdev_priv(dev), fdb_info->addr);\n+\t\tbreak;\n+\t}\n+\n+\trtnl_unlock();\n+\tkfree(switchdev_work->fdb_info.addr);\n+\tkfree(switchdev_work);\n+\tdev_put(dev);\n+}\n+\n+/* Called under rcu_read_lock() */\n+static int port_switchdev_event(struct notifier_block *unused,\n+\t\t\t\tunsigned long event, void *ptr)\n+{\n+\tstruct net_device *dev = switchdev_notifier_info_to_dev(ptr);\n+\tstruct ethsw_switchdev_event_work *switchdev_work;\n+\tstruct switchdev_notifier_fdb_info *fdb_info = ptr;\n+\n+\tswitchdev_work = kzalloc(sizeof(*switchdev_work), GFP_ATOMIC);\n+\tif (!switchdev_work)\n+\t\treturn NOTIFY_BAD;\n+\n+\tINIT_WORK(&switchdev_work->work, ethsw_switchdev_event_work);\n+\tswitchdev_work->dev = dev;\n+\tswitchdev_work->event = event;\n+\n+\tswitch (event) {\n+\tcase SWITCHDEV_FDB_ADD_TO_DEVICE:\n+\tcase SWITCHDEV_FDB_DEL_TO_DEVICE:\n+\t\tmemcpy(&switchdev_work->fdb_info, ptr,\n+\t\t       sizeof(switchdev_work->fdb_info));\n+\t\tswitchdev_work->fdb_info.addr = kzalloc(ETH_ALEN, GFP_ATOMIC);\n+\t\tif (!switchdev_work->fdb_info.addr)\n+\t\t\tgoto err_addr_alloc;\n+\n+\t\tether_addr_copy((u8 *)switchdev_work->fdb_info.addr,\n+\t\t\t\tfdb_info->addr);\n+\n+\t\t/* Take a reference on the device to avoid being freed. */\n+\t\tdev_hold(dev);\n+\t\tbreak;\n+\tdefault:\n+\t\treturn NOTIFY_DONE;\n+\t}\n+\n+\tqueue_work(ethsw_owq, &switchdev_work->work);\n+\n+\treturn NOTIFY_DONE;\n+\n+err_addr_alloc:\n+\tkfree(switchdev_work);\n+\treturn NOTIFY_BAD;\n+}\n+\n+static struct notifier_block port_switchdev_nb = {\n+\t.notifier_call = port_switchdev_event,\n+};\n+\n+static int ethsw_register_notifier(struct device *dev)\n+{\n+\tint err;\n+\n+\terr = register_netdevice_notifier(&port_nb);\n+\tif (err) {\n+\t\tdev_err(dev, \"Failed to register netdev notifier\\n\");\n+\t\treturn err;\n+\t}\n+\n+\terr = register_switchdev_notifier(&port_switchdev_nb);\n+\tif (err) {\n+\t\tdev_err(dev, \"Failed to register switchdev notifier\\n\");\n+\t\tgoto err_switchdev_nb;\n+\t}\n+\n+\treturn 0;\n+\n+err_switchdev_nb:\n+\tunregister_netdevice_notifier(&port_nb);\n+\treturn err;\n+}\n+\n+static int ethsw_open(struct ethsw_core\t*ethsw)\n+{\n+\tstruct ethsw_port_priv *port_priv = NULL;\n+\tint i, err;\n+\n+\terr = dpsw_enable(ethsw->mc_io, 0, ethsw->dpsw_handle);\n+\tif (err) {\n+\t\tdev_err(ethsw->dev, \"dpsw_enable err %d\\n\", err);\n+\t\treturn err;\n+\t}\n+\n+\tfor (i = 0; i < ethsw->sw_attr.num_ifs; i++) {\n+\t\tport_priv = ethsw->ports[i];\n+\t\terr = dev_open(port_priv->netdev);\n+\t\tif (err) {\n+\t\t\tnetdev_err(port_priv->netdev, \"dev_open err %d\\n\", err);\n+\t\t\treturn err;\n+\t\t}\n+\t}\n+\n+\treturn 0;\n+}\n+\n+static int ethsw_stop(struct ethsw_core\t*ethsw)\n+{\n+\tstruct ethsw_port_priv *port_priv = NULL;\n+\tint i, err;\n+\n+\tdestroy_workqueue(ethsw_owq);\n+\n+\tfor (i = 0; i < ethsw->sw_attr.num_ifs; i++) {\n+\t\tport_priv = ethsw->ports[i];\n+\t\tdev_close(port_priv->netdev);\n+\t}\n+\n+\terr = dpsw_disable(ethsw->mc_io, 0, ethsw->dpsw_handle);\n+\tif (err) {\n+\t\tdev_err(ethsw->dev, \"dpsw_disable err %d\\n\", err);\n+\t\treturn err;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+static int ethsw_init(struct fsl_mc_device *sw_dev)\n+{\n+\tstruct device *dev = &sw_dev->dev;\n+\tstruct ethsw_core *ethsw = dev_get_drvdata(dev);\n+\tu16 version_major, version_minor, i;\n+\tstruct dpsw_stp_cfg stp_cfg;\n+\tint err;\n+\n+\tethsw->dev_id = sw_dev->obj_desc.id;\n+\n+\terr = dpsw_open(ethsw->mc_io, 0, ethsw->dev_id, &ethsw->dpsw_handle);\n+\tif (err) {\n+\t\tdev_err(dev, \"dpsw_open err %d\\n\", err);\n+\t\treturn err;\n+\t}\n+\n+\terr = dpsw_get_attributes(ethsw->mc_io, 0, ethsw->dpsw_handle,\n+\t\t\t\t  &ethsw->sw_attr);\n+\tif (err) {\n+\t\tdev_err(dev, \"dpsw_get_attributes err %d\\n\", err);\n+\t\tgoto err_close;\n+\t}\n+\n+\terr = dpsw_get_api_version(ethsw->mc_io, 0,\n+\t\t\t\t   &version_major,\n+\t\t\t\t   &version_minor);\n+\tif (err) {\n+\t\tdev_err(dev, \"dpsw_get_api_version err %d\\n\", err);\n+\t\tgoto err_close;\n+\t}\n+\n+\t/* Minimum supported DPSW version check */\n+\tif (version_major < DPSW_MIN_VER_MAJOR ||\n+\t    (version_major == DPSW_MIN_VER_MAJOR &&\n+\t     version_minor < DPSW_MIN_VER_MINOR)) {\n+\t\tdev_err(dev, \"DPSW version %d:%d not supported. Use %d.%d or greater.\\n\",\n+\t\t\tversion_major,\n+\t\t\tversion_minor,\n+\t\t\tDPSW_MIN_VER_MAJOR, DPSW_MIN_VER_MINOR);\n+\t\terr = -ENOTSUPP;\n+\t\tgoto err_close;\n+\t}\n+\n+\terr = dpsw_reset(ethsw->mc_io, 0, ethsw->dpsw_handle);\n+\tif (err) {\n+\t\tdev_err(dev, \"dpsw_reset err %d\\n\", err);\n+\t\tgoto err_close;\n+\t}\n+\n+\terr = dpsw_fdb_set_learning_mode(ethsw->mc_io, 0, ethsw->dpsw_handle, 0,\n+\t\t\t\t\t DPSW_FDB_LEARNING_MODE_HW);\n+\tif (err) {\n+\t\tdev_err(dev, \"dpsw_fdb_set_learning_mode err %d\\n\", err);\n+\t\tgoto err_close;\n+\t}\n+\n+\tstp_cfg.vlan_id = DEFAULT_VLAN_ID;\n+\tstp_cfg.state = DPSW_STP_STATE_FORWARDING;\n+\n+\tfor (i = 0; i < ethsw->sw_attr.num_ifs; i++) {\n+\t\terr = dpsw_if_set_stp(ethsw->mc_io, 0, ethsw->dpsw_handle, i,\n+\t\t\t\t      &stp_cfg);\n+\t\tif (err) {\n+\t\t\tdev_err(dev, \"dpsw_if_set_stp err %d for port %d\\n\",\n+\t\t\t\terr, i);\n+\t\t\tgoto err_close;\n+\t\t}\n+\n+\t\terr = dpsw_if_set_broadcast(ethsw->mc_io, 0,\n+\t\t\t\t\t    ethsw->dpsw_handle, i, 1);\n+\t\tif (err) {\n+\t\t\tdev_err(dev,\n+\t\t\t\t\"dpsw_if_set_broadcast err %d for port %d\\n\",\n+\t\t\t\terr, i);\n+\t\t\tgoto err_close;\n+\t\t}\n+\t}\n+\n+\tethsw_owq = alloc_ordered_workqueue(\"%s_ordered\", WQ_MEM_RECLAIM,\n+\t\t\t\t\t    \"ethsw\");\n+\tif (!ethsw_owq) {\n+\t\terr = -ENOMEM;\n+\t\tgoto err_close;\n+\t}\n+\n+\terr = ethsw_register_notifier(dev);\n+\tif (err)\n+\t\tgoto err_destroy_ordered_workqueue;\n+\n+\treturn 0;\n+\n+err_destroy_ordered_workqueue:\n+\tdestroy_workqueue(ethsw_owq);\n+\n+err_close:\n+\tdpsw_close(ethsw->mc_io, 0, ethsw->dpsw_handle);\n+\treturn err;\n+}\n+\n+static int ethsw_port_init(struct ethsw_port_priv *port_priv, u16 port)\n+{\n+\tconst char def_mcast[ETH_ALEN] = {0x01, 0x00, 0x5e, 0x00, 0x00, 0x01};\n+\tstruct net_device *netdev = port_priv->netdev;\n+\tstruct ethsw_core *ethsw = port_priv->ethsw_data;\n+\tstruct dpsw_tci_cfg tci_cfg = {0};\n+\tstruct dpsw_vlan_if_cfg vcfg;\n+\tint err;\n+\n+\t/* Switch starts with all ports configured to VLAN 1. Need to\n+\t * remove this setting to allow configuration at bridge join\n+\t */\n+\tvcfg.num_ifs = 1;\n+\tvcfg.if_id[0] = port_priv->idx;\n+\n+\terr = dpsw_vlan_remove_if_untagged(ethsw->mc_io, 0, ethsw->dpsw_handle,\n+\t\t\t\t\t   DEFAULT_VLAN_ID, &vcfg);\n+\tif (err) {\n+\t\tnetdev_err(netdev, \"dpsw_vlan_remove_if_untagged err %d\\n\",\n+\t\t\t   err);\n+\t\treturn err;\n+\t}\n+\n+\terr = dpsw_if_set_tci(ethsw->mc_io, 0, ethsw->dpsw_handle,\n+\t\t\t      port_priv->idx, &tci_cfg);\n+\tif (err) {\n+\t\tnetdev_err(netdev, \"dpsw_if_set_tci err %d\\n\", err);\n+\t\treturn err;\n+\t}\n+\n+\terr = dpsw_vlan_remove_if(ethsw->mc_io, 0, ethsw->dpsw_handle,\n+\t\t\t\t  DEFAULT_VLAN_ID, &vcfg);\n+\tif (err) {\n+\t\tnetdev_err(netdev, \"dpsw_vlan_remove_if err %d\\n\", err);\n+\t\treturn err;\n+\t}\n+\n+\terr = ethsw_port_fdb_add_mc(port_priv, def_mcast);\n+\n+\treturn err;\n+}\n+\n+static void ethsw_takedown(struct fsl_mc_device *sw_dev)\n+{\n+\tstruct device *dev = &sw_dev->dev;\n+\tstruct ethsw_core *ethsw = dev_get_drvdata(dev);\n+\tint err;\n+\n+\terr = unregister_switchdev_notifier(&port_switchdev_nb);\n+\tif (err)\n+\t\tdev_err(dev,\n+\t\t\t\"Failed to unregister switchdev notifier (%d)\\n\", err);\n+\n+\terr = unregister_netdevice_notifier(&port_nb);\n+\tif (err)\n+\t\tdev_err(dev,\n+\t\t\t\"Failed to unregister netdev notifier (%d)\\n\", err);\n+\n+\terr = dpsw_close(ethsw->mc_io, 0, ethsw->dpsw_handle);\n+\tif (err)\n+\t\tdev_warn(dev, \"dpsw_close err %d\\n\", err);\n+}\n+\n+static int ethsw_remove(struct fsl_mc_device *sw_dev)\n+{\n+\tstruct ethsw_port_priv *port_priv;\n+\tstruct ethsw_core *ethsw;\n+\tstruct device *dev;\n+\tint i;\n+\n+\tdev = &sw_dev->dev;\n+\tethsw = dev_get_drvdata(dev);\n+\n+\tethsw_teardown_irqs(sw_dev);\n+\n+\trtnl_lock();\n+\tethsw_stop(ethsw);\n+\trtnl_unlock();\n+\n+\tfor (i = 0; i < ethsw->sw_attr.num_ifs; i++) {\n+\t\tport_priv = ethsw->ports[i];\n+\t\tunregister_netdev(port_priv->netdev);\n+\t\tfree_netdev(port_priv->netdev);\n+\t}\n+\tkfree(ethsw->ports);\n+\n+\tethsw_takedown(sw_dev);\n+\tfsl_mc_portal_free(ethsw->mc_io);\n+\n+\tkfree(ethsw);\n+\n+\tdev_set_drvdata(dev, NULL);\n+\n+\treturn 0;\n+}\n+\n+static int ethsw_probe_port(struct ethsw_core *ethsw, u16 port_idx)\n+{\n+\tstruct ethsw_port_priv *port_priv;\n+\tstruct device *dev = ethsw->dev;\n+\tstruct net_device *port_netdev;\n+\tint err;\n+\n+\tport_netdev = alloc_etherdev(sizeof(struct ethsw_port_priv));\n+\tif (!port_netdev) {\n+\t\tdev_err(dev, \"alloc_etherdev error\\n\");\n+\t\treturn -ENOMEM;\n+\t}\n+\n+\tport_priv = netdev_priv(port_netdev);\n+\tport_priv->netdev = port_netdev;\n+\tport_priv->ethsw_data = ethsw;\n+\n+\tport_priv->idx = port_idx;\n+\tport_priv->stp_state = BR_STATE_FORWARDING;\n+\n+\t/* Flooding is implicitly enabled */\n+\tport_priv->flood = true;\n+\n+\tSET_NETDEV_DEV(port_netdev, dev);\n+\tport_netdev->netdev_ops = &ethsw_port_ops;\n+\tport_netdev->switchdev_ops = &ethsw_port_switchdev_ops;\n+\n+\t/* Set MTU limits */\n+\tport_netdev->min_mtu = ETH_MIN_MTU;\n+\tport_netdev->max_mtu = ETHSW_MAX_FRAME_LENGTH;\n+\n+\terr = register_netdev(port_netdev);\n+\tif (err < 0) {\n+\t\tdev_err(dev, \"register_netdev error %d\\n\", err);\n+\t\t\tfree_netdev(port_netdev);\n+\t\t\treturn err;\n+\t\t}\n+\n+\tethsw->ports[port_idx] = port_priv;\n+\n+\treturn ethsw_port_init(port_priv, port_idx);\n+}\n+\n+static int ethsw_probe(struct fsl_mc_device *sw_dev)\n+{\n+\tstruct device *dev = &sw_dev->dev;\n+\tstruct ethsw_core *ethsw;\n+\tint err;\n+\tu16 i, j;\n+\n+\t/* Allocate switch core*/\n+\tethsw = kzalloc(sizeof(*ethsw), GFP_KERNEL);\n+\n+\tif (!ethsw)\n+\t\treturn -ENOMEM;\n+\n+\tethsw->dev = dev;\n+\tdev_set_drvdata(dev, ethsw);\n+\n+\terr = fsl_mc_portal_allocate(sw_dev, 0, &ethsw->mc_io);\n+\tif (err) {\n+\t\tdev_err(dev, \"fsl_mc_portal_allocate err %d\\n\", err);\n+\t\tgoto err_free_drvdata;\n+\t}\n+\n+\terr = ethsw_init(sw_dev);\n+\tif (err)\n+\t\tgoto err_free_cmdport;\n+\n+\t/* DEFAULT_VLAN_ID is implicitly configured on the switch */\n+\tethsw->vlans[DEFAULT_VLAN_ID] = ETHSW_VLAN_MEMBER;\n+\n+\t/* Learning is implicitly enabled */\n+\tethsw->learning = true;\n+\n+\tethsw->ports = kcalloc(ethsw->sw_attr.num_ifs, sizeof(*ethsw->ports),\n+\t\t\t       GFP_KERNEL);\n+\tif (!(ethsw->ports)) {\n+\t\terr = -ENOMEM;\n+\t\tgoto err_takedown;\n+\t}\n+\n+\tfor (i = 0; i < ethsw->sw_attr.num_ifs; i++) {\n+\t\terr = ethsw_probe_port(ethsw, i);\n+\t\tif (err) {\n+\t\t\t/* Cleanup previous ports only */\n+\t\t\tfor (j = 0; j < i; j++) {\n+\t\t\t\tunregister_netdev(ethsw->ports[j]->netdev);\n+\t\t\t\tfree_netdev(ethsw->ports[j]->netdev);\n+\t\t\t}\n+\t\t\tgoto err_takedown;\n+\t\t}\n+\t}\n+\n+\t/* Switch starts up enabled */\n+\trtnl_lock();\n+\terr = ethsw_open(ethsw);\n+\trtnl_unlock();\n+\tif (err)\n+\t\tgoto err_free_ports;\n+\n+\t/* Setup IRQs */\n+\terr = ethsw_setup_irqs(sw_dev);\n+\tif (err)\n+\t\tgoto err_stop;\n+\n+\tdev_info(dev, \"probed %d port switch\\n\", ethsw->sw_attr.num_ifs);\n+\treturn 0;\n+\n+err_stop:\n+\trtnl_lock();\n+\tethsw_stop(ethsw);\n+\trtnl_unlock();\n+\n+err_free_ports:\n+\tfor (i = 0; i < ethsw->sw_attr.num_ifs; i++) {\n+\t\tunregister_netdev(ethsw->ports[i]->netdev);\n+\t\tfree_netdev(ethsw->ports[i]->netdev);\n+\t}\n+\tkfree(ethsw->ports);\n+\n+err_takedown:\n+\tethsw_takedown(sw_dev);\n+\n+err_free_cmdport:\n+\tfsl_mc_portal_free(ethsw->mc_io);\n+\n+err_free_drvdata:\n+\tkfree(ethsw);\n+\tdev_set_drvdata(dev, NULL);\n+\n+\treturn err;\n+}\n+\n+static const struct fsl_mc_device_id ethsw_match_id_table[] = {\n+\t{\n+\t\t.vendor = FSL_MC_VENDOR_FREESCALE,\n+\t\t.obj_type = \"dpsw\",\n+\t},\n+\t{ .vendor = 0x0 }\n+};\n+MODULE_DEVICE_TABLE(fslmc, ethsw_match_id_table);\n+\n+static struct fsl_mc_driver eth_sw_drv = {\n+\t.driver = {\n+\t\t.name = KBUILD_MODNAME,\n+\t\t.owner = THIS_MODULE,\n+\t},\n+\t.probe = ethsw_probe,\n+\t.remove = ethsw_remove,\n+\t.match_id_table = ethsw_match_id_table\n+};\n+\n+module_fsl_mc_driver(eth_sw_drv);\n+\n+MODULE_LICENSE(\"Dual BSD/GPL\");\n+MODULE_DESCRIPTION(\"DPAA2 Ethernet Switch Driver\");\ndiff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.h b/drivers/staging/fsl-dpaa2/ethsw/ethsw.h\nnew file mode 100644\nindex 0000000..8c1d645\n--- /dev/null\n+++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.h\n@@ -0,0 +1,88 @@\n+/* Copyright 2014-2017 Freescale Semiconductor Inc.\n+ * Copyright 2017 NXP\n+ *\n+ * Redistribution and use in source and binary forms, with or without\n+ * modification, are permitted provided that the following conditions are met:\n+ *     * Redistributions of source code must retain the above copyright\n+ *\t notice, this list of conditions and the following disclaimer.\n+ *     * Redistributions in binary form must reproduce the above copyright\n+ *\t notice, this list of conditions and the following disclaimer in the\n+ *\t documentation and/or other materials provided with the distribution.\n+ *     * Neither the name of the above-listed copyright holders nor the\n+ *\t names of any contributors may be used to endorse or promote products\n+ *\t derived from this software without specific prior written permission.\n+ *\n+ *\n+ * ALTERNATIVELY, this software may be distributed under the terms of the\n+ * GNU General Public License (\"GPL\") as published by the Free Software\n+ * Foundation, either version 2 of that License or (at your option) any\n+ * later version.\n+ *\n+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\"\n+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\n+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\n+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE\n+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\n+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\n+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n+ * POSSIBILITY OF SUCH DAMAGE.\n+ */\n+\n+#ifndef __ETHSW_H\n+#define __ETHSW_H\n+\n+#include <linux/netdevice.h>\n+#include <linux/etherdevice.h>\n+#include <linux/rtnetlink.h>\n+#include <linux/if_vlan.h>\n+#include <uapi/linux/if_bridge.h>\n+#include <net/switchdev.h>\n+#include <linux/if_bridge.h>\n+\n+#include \"dpsw.h\"\n+\n+/* Number of IRQs supported */\n+#define DPSW_IRQ_NUM\t2\n+\n+#define ETHSW_VLAN_MEMBER\t1\n+#define ETHSW_VLAN_UNTAGGED\t2\n+#define ETHSW_VLAN_PVID\t\t4\n+#define ETHSW_VLAN_GLOBAL\t8\n+\n+/* Maximum Frame Length supported by HW (currently 10k) */\n+#define DPAA2_MFL\t\t(10 * 1024)\n+#define ETHSW_MAX_FRAME_LENGTH\t(DPAA2_MFL - VLAN_ETH_HLEN - ETH_FCS_LEN)\n+#define ETHSW_L2_MAX_FRM(mtu)\t((mtu) + VLAN_ETH_HLEN + ETH_FCS_LEN)\n+\n+struct ethsw_core;\n+\n+/* Per port private data */\n+struct ethsw_port_priv {\n+\tstruct net_device\t*netdev;\n+\tu16\t\t\tidx;\n+\tstruct ethsw_core\t*ethsw_data;\n+\tu8\t\t\tlink_state;\n+\tu8\t\t\tstp_state;\n+\tbool\t\t\tflood;\n+\n+\tu8\t\t\tvlans[VLAN_VID_MASK + 1];\n+\tu16\t\t\tpvid;\n+};\n+\n+/* Switch data */\n+struct ethsw_core {\n+\tstruct device\t\t\t*dev;\n+\tstruct fsl_mc_io\t\t*mc_io;\n+\tu16\t\t\t\tdpsw_handle;\n+\tstruct dpsw_attr\t\tsw_attr;\n+\tint\t\t\t\tdev_id;\n+\tstruct ethsw_port_priv\t\t**ports;\n+\n+\tu8\t\t\t\tvlans[VLAN_VID_MASK + 1];\n+\tbool\t\t\t\tlearning;\n+};\n+\n+#endif\t/* __ETHSW_H */\n",
    "prefixes": [
        "RESEND",
        "2/6"
    ]
}