Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master

1 files changed, 1154 insertions, 0 deletions

diff --git a/drivers/net/wireless/libertas/mesh.c b/drivers/net/wireless/libertas/mesh.c
new file mode 100644
index 000000000000..e385af1f4583
--- /dev/null
+++ b/drivers/net/wireless/libertas/mesh.c
@@ -0,0 +1,1154 @@
+#include <linux/delay.h>
+#include <linux/etherdevice.h>
+#include <linux/netdevice.h>
+#include <linux/if_ether.h>
+#include <linux/if_arp.h>
+#include <linux/kthread.h>
+#include <linux/kfifo.h>
+
+#include "mesh.h"
+#include "decl.h"
+#include "cmd.h"
+
+
+/***************************************************************************
+ * Mesh sysfs support
+ */
+
+/**
+ * Attributes exported through sysfs
+ */
+
+/**
+ * @brief Get function for sysfs attribute anycast_mask
+ */
+static ssize_t lbs_anycast_get(struct device *dev,
+                struct device_attribute *attr, char * buf)
+{
+        struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+        struct cmd_ds_mesh_access mesh_access;
+        int ret;
+
+        memset(&mesh_access, 0, sizeof(mesh_access));
+
+        ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access);
+        if (ret)
+                return ret;
+
+        return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0]));
+}
+
+/**
+ * @brief Set function for sysfs attribute anycast_mask
+ */
+static ssize_t lbs_anycast_set(struct device *dev,
+                struct device_attribute *attr, const char * buf, size_t count)
+{
+        struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+        struct cmd_ds_mesh_access mesh_access;
+        uint32_t datum;
+        int ret;
+
+        memset(&mesh_access, 0, sizeof(mesh_access));
+        sscanf(buf, "%x", &datum);
+        mesh_access.data[0] = cpu_to_le32(datum);
+
+        ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access);
+        if (ret)
+                return ret;
+
+        return strlen(buf);
+}
+
+/**
+ * @brief Get function for sysfs attribute prb_rsp_limit
+ */
+static ssize_t lbs_prb_rsp_limit_get(struct device *dev,
+                struct device_attribute *attr, char *buf)
+{
+        struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+        struct cmd_ds_mesh_access mesh_access;
+        int ret;
+        u32 retry_limit;
+
+        memset(&mesh_access, 0, sizeof(mesh_access));
+        mesh_access.data[0] = cpu_to_le32(CMD_ACT_GET);
+
+        ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT,
+                        &mesh_access);
+        if (ret)
+                return ret;
+
+        retry_limit = le32_to_cpu(mesh_access.data[1]);
+        return snprintf(buf, 10, "%d\n", retry_limit);
+}
+
+/**
+ * @brief Set function for sysfs attribute prb_rsp_limit
+ */
+static ssize_t lbs_prb_rsp_limit_set(struct device *dev,
+                struct device_attribute *attr, const char *buf, size_t count)
+{
+        struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+        struct cmd_ds_mesh_access mesh_access;
+        int ret;
+        unsigned long retry_limit;
+
+        memset(&mesh_access, 0, sizeof(mesh_access));
+        mesh_access.data[0] = cpu_to_le32(CMD_ACT_SET);
+
+        if (!strict_strtoul(buf, 10, &retry_limit))
+                return -ENOTSUPP;
+        if (retry_limit > 15)
+                return -ENOTSUPP;
+
+        mesh_access.data[1] = cpu_to_le32(retry_limit);
+
+        ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT,
+                        &mesh_access);
+        if (ret)
+                return ret;
+
+        return strlen(buf);
+}
+
+/**
+ * Get function for sysfs attribute mesh
+ */
+static ssize_t lbs_mesh_get(struct device *dev,
+                struct device_attribute *attr, char * buf)
+{
+        struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+        return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev);
+}
+
+/**
+ *  Set function for sysfs attribute mesh
+ */
+static ssize_t lbs_mesh_set(struct device *dev,
+                struct device_attribute *attr, const char * buf, size_t count)
+{
+        struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+        int enable;
+        int ret, action = CMD_ACT_MESH_CONFIG_STOP;
+
+        sscanf(buf, "%x", &enable);
+        enable = !!enable;
+        if (enable == !!priv->mesh_dev)
+                return count;
+        if (enable)
+                action = CMD_ACT_MESH_CONFIG_START;
+        ret = lbs_mesh_config(priv, action, priv->channel);
+        if (ret)
+                return ret;
+
+        if (enable)
+                lbs_add_mesh(priv);
+        else
+                lbs_remove_mesh(priv);
+
+        return count;
+}
+
+/**
+ * lbs_mesh attribute to be exported per ethX interface
+ * through sysfs (/sys/class/net/ethX/lbs_mesh)
+ */
+static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set);
+
+/**
+ * anycast_mask attribute to be exported per mshX interface
+ * through sysfs (/sys/class/net/mshX/anycast_mask)
+ */
+static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set);
+
+/**
+ * prb_rsp_limit attribute to be exported per mshX interface
+ * through sysfs (/sys/class/net/mshX/prb_rsp_limit)
+ */
+static DEVICE_ATTR(prb_rsp_limit, 0644, lbs_prb_rsp_limit_get,
+                lbs_prb_rsp_limit_set);
+
+static struct attribute *lbs_mesh_sysfs_entries[] = {
+        &dev_attr_anycast_mask.attr,
+        &dev_attr_prb_rsp_limit.attr,
+        NULL,
+};
+
+static struct attribute_group lbs_mesh_attr_group = {
+        .attrs = lbs_mesh_sysfs_entries,
+};
+
+
+
+/***************************************************************************
+ * Initializing and starting, stopping mesh
+ */
+
+/*
+ * Check mesh FW version and appropriately send the mesh start
+ * command
+ */
+int lbs_init_mesh(struct lbs_private *priv)
+{
+        struct net_device *dev = priv->dev;
+        int ret = 0;
+
+        lbs_deb_enter(LBS_DEB_MESH);
+
+        priv->mesh_connect_status = LBS_DISCONNECTED;
+
+        /* Determine mesh_fw_ver from fwrelease and fwcapinfo */
+        /* 5.0.16p0 9.0.0.p0 is known to NOT support any mesh */
+        /* 5.110.22 have mesh command with 0xa3 command id */
+        /* 10.0.0.p0 FW brings in mesh config command with different id */
+        /* Check FW version MSB and initialize mesh_fw_ver */
+        if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5) {
+                /* Enable mesh, if supported, and work out which TLV it uses.
+                   0x100 + 291 is an unofficial value used in 5.110.20.pXX
+                   0x100 + 37 is the official value used in 5.110.21.pXX
+                   but we check them in that order because 20.pXX doesn't
+                   give an error -- it just silently fails. */
+
+                /* 5.110.20.pXX firmware will fail the command if the channel
+                   doesn't match the existing channel. But only if the TLV
+                   is correct. If the channel is wrong, _BOTH_ versions will
+                   give an error to 0x100+291, and allow 0x100+37 to succeed.
+                   It's just that 5.110.20.pXX will not have done anything
+                   useful */
+
+                priv->mesh_tlv = TLV_TYPE_OLD_MESH_ID;
+                if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
+                                    priv->channel)) {
+                        priv->mesh_tlv = TLV_TYPE_MESH_ID;
+                        if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
+                                            priv->channel))
+                                priv->mesh_tlv = 0;
+                }
+        } else
+        if ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) &&
+                (priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK)) {
+                /* 10.0.0.pXX new firmwares should succeed with TLV
+                 * 0x100+37; Do not invoke command with old TLV.
+                 */
+                priv->mesh_tlv = TLV_TYPE_MESH_ID;
+                if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
+                                    priv->channel))
+                        priv->mesh_tlv = 0;
+        }
+
+
+        if (priv->mesh_tlv) {
+                sprintf(priv->mesh_ssid, "mesh");
+                priv->mesh_ssid_len = 4;
+
+                lbs_add_mesh(priv);
+
+                if (device_create_file(&dev->dev, &dev_attr_lbs_mesh))
+                        lbs_pr_err("cannot register lbs_mesh attribute\n");
+
+                ret = 1;
+        }
+
+        lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
+        return ret;
+}
+
+
+int lbs_deinit_mesh(struct lbs_private *priv)
+{
+        struct net_device *dev = priv->dev;
+        int ret = 0;
+
+        lbs_deb_enter(LBS_DEB_MESH);
+
+        if (priv->mesh_tlv) {
+                device_remove_file(&dev->dev, &dev_attr_lbs_mesh);
+                ret = 1;
+        }
+
+        lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
+        return ret;
+}
+
+
+/**
+ *  @brief This function closes the mshX interface
+ *
+ *  @param dev     A pointer to net_device structure
+ *  @return        0
+ */
+static int lbs_mesh_stop(struct net_device *dev)
+{
+        struct lbs_private *priv = dev->ml_priv;
+
+        lbs_deb_enter(LBS_DEB_MESH);
+        spin_lock_irq(&priv->driver_lock);
+
+        priv->mesh_open = 0;
+        priv->mesh_connect_status = LBS_DISCONNECTED;
+
+        netif_stop_queue(dev);
+        netif_carrier_off(dev);
+
+        spin_unlock_irq(&priv->driver_lock);
+
+        schedule_work(&priv->mcast_work);
+
+        lbs_deb_leave(LBS_DEB_MESH);
+        return 0;
+}
+
+/**
+ *  @brief This function opens the mshX interface
+ *
+ *  @param dev     A pointer to net_device structure
+ *  @return        0 or -EBUSY if monitor mode active
+ */
+static int lbs_mesh_dev_open(struct net_device *dev)
+{
+        struct lbs_private *priv = dev->ml_priv;
+        int ret = 0;
+
+        lbs_deb_enter(LBS_DEB_NET);
+
+        spin_lock_irq(&priv->driver_lock);
+
+        if (priv->monitormode) {
+                ret = -EBUSY;
+                goto out;
+        }
+
+        priv->mesh_open = 1;
+        priv->mesh_connect_status = LBS_CONNECTED;
+        netif_carrier_on(dev);
+
+        if (!priv->tx_pending_len)
+                netif_wake_queue(dev);
+ out:
+
+        spin_unlock_irq(&priv->driver_lock);
+        lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret);
+        return ret;
+}
+
+static const struct net_device_ops mesh_netdev_ops = {
+        .ndo_open               = lbs_mesh_dev_open,
+        .ndo_stop               = lbs_mesh_stop,
+        .ndo_start_xmit         = lbs_hard_start_xmit,
+        .ndo_set_mac_address    = lbs_set_mac_address,
+        .ndo_set_multicast_list = lbs_set_multicast_list,
+};
+
+/**
+ * @brief This function adds mshX interface
+ *
+ *  @param priv    A pointer to the struct lbs_private structure
+ *  @return        0 if successful, -X otherwise
+ */
+int lbs_add_mesh(struct lbs_private *priv)
+{
+        struct net_device *mesh_dev = NULL;
+        int ret = 0;
+
+        lbs_deb_enter(LBS_DEB_MESH);
+
+        /* Allocate a virtual mesh device */
+        mesh_dev = alloc_netdev(0, "msh%d", ether_setup);
+        if (!mesh_dev) {
+                lbs_deb_mesh("init mshX device failed\n");
+                ret = -ENOMEM;
+                goto done;
+        }
+        mesh_dev->ml_priv = priv;
+        priv->mesh_dev = mesh_dev;
+
+        mesh_dev->netdev_ops = &mesh_netdev_ops;
+        mesh_dev->ethtool_ops = &lbs_ethtool_ops;
+        memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, ETH_ALEN);
+
+        SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent);
+
+#ifdef  WIRELESS_EXT
+        mesh_dev->wireless_handlers = &mesh_handler_def;
+#endif
+        mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
+        /* Register virtual mesh interface */
+        ret = register_netdev(mesh_dev);
+        if (ret) {
+                lbs_pr_err("cannot register mshX virtual interface\n");
+                goto err_free;
+        }
+
+        ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
+        if (ret)
+                goto err_unregister;
+
+        lbs_persist_config_init(mesh_dev);
+
+        /* Everything successful */
+        ret = 0;
+        goto done;
+
+err_unregister:
+        unregister_netdev(mesh_dev);
+
+err_free:
+        free_netdev(mesh_dev);
+
+done:
+        lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
+        return ret;
+}
+
+void lbs_remove_mesh(struct lbs_private *priv)
+{
+        struct net_device *mesh_dev;
+
+        mesh_dev = priv->mesh_dev;
+        if (!mesh_dev)
+                return;
+
+        lbs_deb_enter(LBS_DEB_MESH);
+        netif_stop_queue(mesh_dev);
+        netif_carrier_off(mesh_dev);
+        sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
+        lbs_persist_config_remove(mesh_dev);
+        unregister_netdev(mesh_dev);
+        priv->mesh_dev = NULL;
+        free_netdev(mesh_dev);
+        lbs_deb_leave(LBS_DEB_MESH);
+}
+
+
+
+/***************************************************************************
+ * Sending and receiving
+ */
+struct net_device *lbs_mesh_set_dev(struct lbs_private *priv,
+        struct net_device *dev, struct rxpd *rxpd)
+{
+        if (priv->mesh_dev) {
+                if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID) {
+                        if (rxpd->rx_control & RxPD_MESH_FRAME)
+                                dev = priv->mesh_dev;
+                } else if (priv->mesh_tlv == TLV_TYPE_MESH_ID) {
+                        if (rxpd->u.bss.bss_num == MESH_IFACE_ID)
+                                dev = priv->mesh_dev;
+                }
+        }
+        return dev;
+}
+
+
+void lbs_mesh_set_txpd(struct lbs_private *priv,
+        struct net_device *dev, struct txpd *txpd)
+{
+        if (dev == priv->mesh_dev) {
+                if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID)
+                        txpd->tx_control |= cpu_to_le32(TxPD_MESH_FRAME);
+                else if (priv->mesh_tlv == TLV_TYPE_MESH_ID)
+                        txpd->u.bss.bss_num = MESH_IFACE_ID;
+        }
+}
+
+
+/***************************************************************************
+ * Mesh command handling
+ */
+
+int lbs_cmd_bt_access(struct cmd_ds_command *cmd,
+                               u16 cmd_action, void *pdata_buf)
+{
+        struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
+        lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
+
+        cmd->command = cpu_to_le16(CMD_BT_ACCESS);
+        cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) +
+                sizeof(struct cmd_header));
+        cmd->result = 0;
+        bt_access->action = cpu_to_le16(cmd_action);
+
+        switch (cmd_action) {
+        case CMD_ACT_BT_ACCESS_ADD:
+                memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
+                lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr",
+                        bt_access->addr1, 6);
+                break;
+        case CMD_ACT_BT_ACCESS_DEL:
+                memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
+                lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr",
+                        bt_access->addr1, 6);
+                break;
+        case CMD_ACT_BT_ACCESS_LIST:
+                bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
+                break;
+        case CMD_ACT_BT_ACCESS_RESET:
+                break;
+        case CMD_ACT_BT_ACCESS_SET_INVERT:
+                bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
+                break;
+        case CMD_ACT_BT_ACCESS_GET_INVERT:
+                break;
+        default:
+                break;
+        }
+        lbs_deb_leave(LBS_DEB_CMD);
+        return 0;
+}
+
+int lbs_cmd_fwt_access(struct cmd_ds_command *cmd,
+                               u16 cmd_action, void *pdata_buf)
+{
+        struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
+        lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
+
+        cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
+        cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) +
+                sizeof(struct cmd_header));
+        cmd->result = 0;
+
+        if (pdata_buf)
+                memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
+        else
+                memset(fwt_access, 0, sizeof(*fwt_access));
+
+        fwt_access->action = cpu_to_le16(cmd_action);
+
+        lbs_deb_leave(LBS_DEB_CMD);
+        return 0;
+}
+
+int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
+                    struct cmd_ds_mesh_access *cmd)
+{
+        int ret;
+
+        lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
+
+        cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
+        cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
+        cmd->hdr.result = 0;
+
+        cmd->action = cpu_to_le16(cmd_action);
+
+        ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
+
+        lbs_deb_leave(LBS_DEB_CMD);
+        return ret;
+}
+
+static int __lbs_mesh_config_send(struct lbs_private *priv,
+                                  struct cmd_ds_mesh_config *cmd,
+                                  uint16_t action, uint16_t type)
+{
+        int ret;
+        u16 command = CMD_MESH_CONFIG_OLD;
+
+        lbs_deb_enter(LBS_DEB_CMD);
+
+        /*
+         * Command id is 0xac for v10 FW along with mesh interface
+         * id in bits 14-13-12.
+         */
+        if (priv->mesh_tlv == TLV_TYPE_MESH_ID)
+                command = CMD_MESH_CONFIG |
+                          (MESH_IFACE_ID << MESH_IFACE_BIT_OFFSET);
+
+        cmd->hdr.command = cpu_to_le16(command);
+        cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_config));
+        cmd->hdr.result = 0;
+
+        cmd->type = cpu_to_le16(type);
+        cmd->action = cpu_to_le16(action);
+
+        ret = lbs_cmd_with_response(priv, command, cmd);
+
+        lbs_deb_leave(LBS_DEB_CMD);
+        return ret;
+}
+
+int lbs_mesh_config_send(struct lbs_private *priv,
+                         struct cmd_ds_mesh_config *cmd,
+                         uint16_t action, uint16_t type)
+{
+        int ret;
+
+        if (!(priv->fwcapinfo & FW_CAPINFO_PERSISTENT_CONFIG))
+                return -EOPNOTSUPP;
+
+        ret = __lbs_mesh_config_send(priv, cmd, action, type);
+        return ret;
+}
+
+/* This function is the CMD_MESH_CONFIG legacy function.  It only handles the
+ * START and STOP actions.  The extended actions supported by CMD_MESH_CONFIG
+ * are all handled by preparing a struct cmd_ds_mesh_config and passing it to
+ * lbs_mesh_config_send.
+ */
+int lbs_mesh_config(struct lbs_private *priv, uint16_t action, uint16_t chan)
+{
+        struct cmd_ds_mesh_config cmd;
+        struct mrvl_meshie *ie;
+        DECLARE_SSID_BUF(ssid);
+
+        memset(&cmd, 0, sizeof(cmd));
+        cmd.channel = cpu_to_le16(chan);
+        ie = (struct mrvl_meshie *)cmd.data;
+
+        switch (action) {
+        case CMD_ACT_MESH_CONFIG_START:
+                ie->id = WLAN_EID_GENERIC;
+                ie->val.oui[0] = 0x00;
+                ie->val.oui[1] = 0x50;
+                ie->val.oui[2] = 0x43;
+                ie->val.type = MARVELL_MESH_IE_TYPE;
+                ie->val.subtype = MARVELL_MESH_IE_SUBTYPE;
+                ie->val.version = MARVELL_MESH_IE_VERSION;
+                ie->val.active_protocol_id = MARVELL_MESH_PROTO_ID_HWMP;
+                ie->val.active_metric_id = MARVELL_MESH_METRIC_ID;
+                ie->val.mesh_capability = MARVELL_MESH_CAPABILITY;
+                ie->val.mesh_id_len = priv->mesh_ssid_len;
+                memcpy(ie->val.mesh_id, priv->mesh_ssid, priv->mesh_ssid_len);
+                ie->len = sizeof(struct mrvl_meshie_val) -
+                        IEEE80211_MAX_SSID_LEN + priv->mesh_ssid_len;
+                cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie_val));
+                break;
+        case CMD_ACT_MESH_CONFIG_STOP:
+                break;
+        default:
+                return -1;
+        }
+        lbs_deb_cmd("mesh config action %d type %x channel %d SSID %s\n",
+                    action, priv->mesh_tlv, chan,
+                    print_ssid(ssid, priv->mesh_ssid, priv->mesh_ssid_len));
+
+        return __lbs_mesh_config_send(priv, &cmd, action, priv->mesh_tlv);
+}
+
+
+
+/***************************************************************************
+ * Persistent configuration support
+ */
+
+static int mesh_get_default_parameters(struct device *dev,
+                                       struct mrvl_mesh_defaults *defs)
+{
+        struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+        struct cmd_ds_mesh_config cmd;
+        int ret;
+
+        memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config));
+        ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_GET,
+                                   CMD_TYPE_MESH_GET_DEFAULTS);
+
+        if (ret)
+                return -EOPNOTSUPP;
+
+        memcpy(defs, &cmd.data[0], sizeof(struct mrvl_mesh_defaults));
+
+        return 0;
+}
+
+/**
+ * @brief Get function for sysfs attribute bootflag
+ */
+static ssize_t bootflag_get(struct device *dev,
+                            struct device_attribute *attr, char *buf)
+{
+        struct mrvl_mesh_defaults defs;
+        int ret;
+
+        ret = mesh_get_default_parameters(dev, &defs);
+
+        if (ret)
+                return ret;
+
+        return snprintf(buf, 12, "%d\n", le32_to_cpu(defs.bootflag));
+}
+
+/**
+ * @brief Set function for sysfs attribute bootflag
+ */
+static ssize_t bootflag_set(struct device *dev, struct device_attribute *attr,
+                            const char *buf, size_t count)
+{
+        struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+        struct cmd_ds_mesh_config cmd;
+        uint32_t datum;
+        int ret;
+
+        memset(&cmd, 0, sizeof(cmd));
+        ret = sscanf(buf, "%d", &datum);
+        if ((ret != 1) || (datum > 1))
+                return -EINVAL;
+
+        *((__le32 *)&cmd.data[0]) = cpu_to_le32(!!datum);
+        cmd.length = cpu_to_le16(sizeof(uint32_t));
+        ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
+                                   CMD_TYPE_MESH_SET_BOOTFLAG);
+        if (ret)
+                return ret;
+
+        return strlen(buf);
+}
+
+/**
+ * @brief Get function for sysfs attribute boottime
+ */
+static ssize_t boottime_get(struct device *dev,
+                            struct device_attribute *attr, char *buf)
+{
+        struct mrvl_mesh_defaults defs;
+        int ret;
+
+        ret = mesh_get_default_parameters(dev, &defs);
+
+        if (ret)
+                return ret;
+
+        return snprintf(buf, 12, "%d\n", defs.boottime);
+}
+
+/**
+ * @brief Set function for sysfs attribute boottime
+ */
+static ssize_t boottime_set(struct device *dev,
+                struct device_attribute *attr, const char *buf, size_t count)
+{
+        struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+        struct cmd_ds_mesh_config cmd;
+        uint32_t datum;
+        int ret;
+
+        memset(&cmd, 0, sizeof(cmd));
+        ret = sscanf(buf, "%d", &datum);
+        if ((ret != 1) || (datum > 255))
+                return -EINVAL;
+
+        /* A too small boot time will result in the device booting into
+         * standalone (no-host) mode before the host can take control of it,
+         * so the change will be hard to revert.  This may be a desired
+         * feature (e.g to configure a very fast boot time for devices that
+         * will not be attached to a host), but dangerous.  So I'm enforcing a
+         * lower limit of 20 seconds:  remove and recompile the driver if this
+         * does not work for you.
+         */
+        datum = (datum < 20) ? 20 : datum;
+        cmd.data[0] = datum;
+        cmd.length = cpu_to_le16(sizeof(uint8_t));
+        ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
+                                   CMD_TYPE_MESH_SET_BOOTTIME);
+        if (ret)
+                return ret;
+
+        return strlen(buf);
+}
+
+/**
+ * @brief Get function for sysfs attribute channel
+ */
+static ssize_t channel_get(struct device *dev,
+                           struct device_attribute *attr, char *buf)
+{
+        struct mrvl_mesh_defaults defs;
+        int ret;
+
+        ret = mesh_get_default_parameters(dev, &defs);
+
+        if (ret)
+                return ret;
+
+        return snprintf(buf, 12, "%d\n", le16_to_cpu(defs.channel));
+}
+
+/**
+ * @brief Set function for sysfs attribute channel
+ */
+static ssize_t channel_set(struct device *dev, struct device_attribute *attr,
+                           const char *buf, size_t count)
+{
+        struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+        struct cmd_ds_mesh_config cmd;
+        uint32_t datum;
+        int ret;
+
+        memset(&cmd, 0, sizeof(cmd));
+        ret = sscanf(buf, "%d", &datum);
+        if (ret != 1 || datum < 1 || datum > 11)
+                return -EINVAL;
+
+        *((__le16 *)&cmd.data[0]) = cpu_to_le16(datum);
+        cmd.length = cpu_to_le16(sizeof(uint16_t));
+        ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
+                                   CMD_TYPE_MESH_SET_DEF_CHANNEL);
+        if (ret)
+                return ret;
+
+        return strlen(buf);
+}
+
+/**
+ * @brief Get function for sysfs attribute mesh_id
+ */
+static ssize_t mesh_id_get(struct device *dev, struct device_attribute *attr,
+                           char *buf)
+{
+        struct mrvl_mesh_defaults defs;
+        int maxlen;
+        int ret;
+
+        ret = mesh_get_default_parameters(dev, &defs);
+
+        if (ret)
+                return ret;
+
+        if (defs.meshie.val.mesh_id_len > IEEE80211_MAX_SSID_LEN) {
+                lbs_pr_err("inconsistent mesh ID length");
+                defs.meshie.val.mesh_id_len = IEEE80211_MAX_SSID_LEN;
+        }
+
+        /* SSID not null terminated: reserve room for \0 + \n */
+        maxlen = defs.meshie.val.mesh_id_len + 2;
+        maxlen = (PAGE_SIZE > maxlen) ? maxlen : PAGE_SIZE;
+
+        defs.meshie.val.mesh_id[defs.meshie.val.mesh_id_len] = '\0';
+
+        return snprintf(buf, maxlen, "%s\n", defs.meshie.val.mesh_id);
+}
+
+/**
+ * @brief Set function for sysfs attribute mesh_id
+ */
+static ssize_t mesh_id_set(struct device *dev, struct device_attribute *attr,
+                           const char *buf, size_t count)
+{
+        struct cmd_ds_mesh_config cmd;
+        struct mrvl_mesh_defaults defs;
+        struct mrvl_meshie *ie;
+        struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+        int len;
+        int ret;
+
+        if (count < 2 || count > IEEE80211_MAX_SSID_LEN + 1)
+                return -EINVAL;
+
+        memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config));
+        ie = (struct mrvl_meshie *) &cmd.data[0];
+
+        /* fetch all other Information Element parameters */
+        ret = mesh_get_default_parameters(dev, &defs);
+
+        cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
+
+        /* transfer IE elements */
+        memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
+
+        len = count - 1;
+        memcpy(ie->val.mesh_id, buf, len);
+        /* SSID len */
+        ie->val.mesh_id_len = len;
+        /* IE len */
+        ie->len = sizeof(struct mrvl_meshie_val) - IEEE80211_MAX_SSID_LEN + len;
+
+        ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
+                                   CMD_TYPE_MESH_SET_MESH_IE);
+        if (ret)
+                return ret;
+
+        return strlen(buf);
+}
+
+/**
+ * @brief Get function for sysfs attribute protocol_id
+ */
+static ssize_t protocol_id_get(struct device *dev,
+                               struct device_attribute *attr, char *buf)
+{
+        struct mrvl_mesh_defaults defs;
+        int ret;
+
+        ret = mesh_get_default_parameters(dev, &defs);
+
+        if (ret)
+                return ret;
+
+        return snprintf(buf, 5, "%d\n", defs.meshie.val.active_protocol_id);
+}
+
+/**
+ * @brief Set function for sysfs attribute protocol_id
+ */
+static ssize_t protocol_id_set(struct device *dev,
+                struct device_attribute *attr, const char *buf, size_t count)
+{
+        struct cmd_ds_mesh_config cmd;
+        struct mrvl_mesh_defaults defs;
+        struct mrvl_meshie *ie;
+        struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+        uint32_t datum;
+        int ret;
+
+        memset(&cmd, 0, sizeof(cmd));
+        ret = sscanf(buf, "%d", &datum);
+        if ((ret != 1) || (datum > 255))
+                return -EINVAL;
+
+        /* fetch all other Information Element parameters */
+        ret = mesh_get_default_parameters(dev, &defs);
+
+        cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
+
+        /* transfer IE elements */
+        ie = (struct mrvl_meshie *) &cmd.data[0];
+        memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
+        /* update protocol id */
+        ie->val.active_protocol_id = datum;
+
+        ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
+                                   CMD_TYPE_MESH_SET_MESH_IE);
+        if (ret)
+                return ret;
+
+        return strlen(buf);
+}
+
+/**
+ * @brief Get function for sysfs attribute metric_id
+ */
+static ssize_t metric_id_get(struct device *dev,
+                struct device_attribute *attr, char *buf)
+{
+        struct mrvl_mesh_defaults defs;
+        int ret;
+
+        ret = mesh_get_default_parameters(dev, &defs);
+
+        if (ret)
+                return ret;
+
+        return snprintf(buf, 5, "%d\n", defs.meshie.val.active_metric_id);
+}
+
+/**
+ * @brief Set function for sysfs attribute metric_id
+ */
+static ssize_t metric_id_set(struct device *dev, struct device_attribute *attr,
+                             const char *buf, size_t count)
+{
+        struct cmd_ds_mesh_config cmd;
+        struct mrvl_mesh_defaults defs;
+        struct mrvl_meshie *ie;
+        struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+        uint32_t datum;
+        int ret;
+
+        memset(&cmd, 0, sizeof(cmd));
+        ret = sscanf(buf, "%d", &datum);
+        if ((ret != 1) || (datum > 255))
+                return -EINVAL;
+
+        /* fetch all other Information Element parameters */
+        ret = mesh_get_default_parameters(dev, &defs);
+
+        cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
+
+        /* transfer IE elements */
+        ie = (struct mrvl_meshie *) &cmd.data[0];
+        memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
+        /* update metric id */
+        ie->val.active_metric_id = datum;
+
+        ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
+                                   CMD_TYPE_MESH_SET_MESH_IE);
+        if (ret)
+                return ret;
+
+        return strlen(buf);
+}
+
+/**
+ * @brief Get function for sysfs attribute capability
+ */
+static ssize_t capability_get(struct device *dev,
+                struct device_attribute *attr, char *buf)
+{
+        struct mrvl_mesh_defaults defs;
+        int ret;
+
+        ret = mesh_get_default_parameters(dev, &defs);
+
+        if (ret)
+                return ret;
+
+        return snprintf(buf, 5, "%d\n", defs.meshie.val.mesh_capability);
+}
+
+/**
+ * @brief Set function for sysfs attribute capability
+ */
+static ssize_t capability_set(struct device *dev, struct device_attribute *attr,
+                              const char *buf, size_t count)
+{
+        struct cmd_ds_mesh_config cmd;
+        struct mrvl_mesh_defaults defs;
+        struct mrvl_meshie *ie;
+        struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+        uint32_t datum;
+        int ret;
+
+        memset(&cmd, 0, sizeof(cmd));
+        ret = sscanf(buf, "%d", &datum);
+        if ((ret != 1) || (datum > 255))
+                return -EINVAL;
+
+        /* fetch all other Information Element parameters */
+        ret = mesh_get_default_parameters(dev, &defs);
+
+        cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
+
+        /* transfer IE elements */
+        ie = (struct mrvl_meshie *) &cmd.data[0];
+        memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
+        /* update value */
+        ie->val.mesh_capability = datum;
+
+        ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
+                                   CMD_TYPE_MESH_SET_MESH_IE);
+        if (ret)
+                return ret;
+
+        return strlen(buf);
+}
+
+
+static DEVICE_ATTR(bootflag, 0644, bootflag_get, bootflag_set);
+static DEVICE_ATTR(boottime, 0644, boottime_get, boottime_set);
+static DEVICE_ATTR(channel, 0644, channel_get, channel_set);
+static DEVICE_ATTR(mesh_id, 0644, mesh_id_get, mesh_id_set);
+static DEVICE_ATTR(protocol_id, 0644, protocol_id_get, protocol_id_set);
+static DEVICE_ATTR(metric_id, 0644, metric_id_get, metric_id_set);
+static DEVICE_ATTR(capability, 0644, capability_get, capability_set);
+
+static struct attribute *boot_opts_attrs[] = {
+        &dev_attr_bootflag.attr,
+        &dev_attr_boottime.attr,
+        &dev_attr_channel.attr,
+        NULL
+};
+
+static struct attribute_group boot_opts_group = {
+        .name = "boot_options",
+        .attrs = boot_opts_attrs,
+};
+
+static struct attribute *mesh_ie_attrs[] = {
+        &dev_attr_mesh_id.attr,
+        &dev_attr_protocol_id.attr,
+        &dev_attr_metric_id.attr,
+        &dev_attr_capability.attr,
+        NULL
+};
+
+static struct attribute_group mesh_ie_group = {
+        .name = "mesh_ie",
+        .attrs = mesh_ie_attrs,
+};
+
+void lbs_persist_config_init(struct net_device *dev)
+{
+        int ret;
+        ret = sysfs_create_group(&(dev->dev.kobj), &boot_opts_group);
+        ret = sysfs_create_group(&(dev->dev.kobj), &mesh_ie_group);
+}
+
+void lbs_persist_config_remove(struct net_device *dev)
+{
+        sysfs_remove_group(&(dev->dev.kobj), &boot_opts_group);
+        sysfs_remove_group(&(dev->dev.kobj), &mesh_ie_group);
+}
+
+
+
+/***************************************************************************
+ * Ethtool related
+ */
+
+static const char *mesh_stat_strings[] = {
+                        "drop_duplicate_bcast",
+                        "drop_ttl_zero",
+                        "drop_no_fwd_route",
+                        "drop_no_buffers",
+                        "fwded_unicast_cnt",
+                        "fwded_bcast_cnt",
+                        "drop_blind_table",
+                        "tx_failed_cnt"
+};
+
+void lbs_mesh_ethtool_get_stats(struct net_device *dev,
+        struct ethtool_stats *stats, uint64_t *data)
+{
+        struct lbs_private *priv = dev->ml_priv;
+        struct cmd_ds_mesh_access mesh_access;
+        int ret;
+
+        lbs_deb_enter(LBS_DEB_ETHTOOL);
+
+        /* Get Mesh Statistics */
+        ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_STATS, &mesh_access);
+
+        if (ret) {
+                memset(data, 0, MESH_STATS_NUM*(sizeof(uint64_t)));
+                return;
+        }
+
+        priv->mstats.fwd_drop_rbt = le32_to_cpu(mesh_access.data[0]);
+        priv->mstats.fwd_drop_ttl = le32_to_cpu(mesh_access.data[1]);
+        priv->mstats.fwd_drop_noroute = le32_to_cpu(mesh_access.data[2]);
+        priv->mstats.fwd_drop_nobuf = le32_to_cpu(mesh_access.data[3]);
+        priv->mstats.fwd_unicast_cnt = le32_to_cpu(mesh_access.data[4]);
+        priv->mstats.fwd_bcast_cnt = le32_to_cpu(mesh_access.data[5]);
+        priv->mstats.drop_blind = le32_to_cpu(mesh_access.data[6]);
+        priv->mstats.tx_failed_cnt = le32_to_cpu(mesh_access.data[7]);
+
+        data[0] = priv->mstats.fwd_drop_rbt;
+        data[1] = priv->mstats.fwd_drop_ttl;
+        data[2] = priv->mstats.fwd_drop_noroute;
+        data[3] = priv->mstats.fwd_drop_nobuf;
+        data[4] = priv->mstats.fwd_unicast_cnt;
+        data[5] = priv->mstats.fwd_bcast_cnt;
+        data[6] = priv->mstats.drop_blind;
+        data[7] = priv->mstats.tx_failed_cnt;
+
+        lbs_deb_enter(LBS_DEB_ETHTOOL);
+}
+
+int lbs_mesh_ethtool_get_sset_count(struct net_device *dev, int sset)
+{
+        struct lbs_private *priv = dev->ml_priv;
+
+        if (sset == ETH_SS_STATS && dev == priv->mesh_dev)
+                return MESH_STATS_NUM;
+
+        return -EOPNOTSUPP;
+}
+
+void lbs_mesh_ethtool_get_strings(struct net_device *dev,
+        uint32_t stringset, uint8_t *s)
+{
+        int i;
+
+        lbs_deb_enter(LBS_DEB_ETHTOOL);
+
+        switch (stringset) {
+        case ETH_SS_STATS:
+                for (i = 0; i < MESH_STATS_NUM; i++) {
+                        memcpy(s + i * ETH_GSTRING_LEN,
+                                        mesh_stat_strings[i],
+                                        ETH_GSTRING_LEN);
+                }
+                break;
+        }
+        lbs_deb_enter(LBS_DEB_ETHTOOL);
+}