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- #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
- #include <linux/delay.h>
- #include <linux/etherdevice.h>
- #include <linux/hardirq.h>
- #include <linux/netdevice.h>
- #include <linux/if_ether.h>
- #include <linux/if_arp.h>
- #include <linux/kthread.h>
- #include <linux/kfifo.h>
- #include <net/cfg80211.h>
- #include "mesh.h"
- #include "decl.h"
- #include "cmd.h"
- static int lbs_add_mesh(struct lbs_private *priv);
- /***************************************************************************
- * Mesh command handling
- */
- static 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;
- }
- static 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.
- */
- static int lbs_mesh_config(struct lbs_private *priv, uint16_t action,
- uint16_t chan)
- {
- struct cmd_ds_mesh_config cmd;
- struct mrvl_meshie *ie;
- 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_VENDOR_SPECIFIC;
- 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 %*pE\n",
- action, priv->mesh_tlv, chan, priv->mesh_ssid_len,
- priv->mesh_ssid);
- return __lbs_mesh_config_send(priv, &cmd, action, priv->mesh_tlv);
- }
- int lbs_mesh_set_channel(struct lbs_private *priv, u8 channel)
- {
- priv->mesh_channel = channel;
- return lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, channel);
- }
- static uint16_t lbs_mesh_get_channel(struct lbs_private *priv)
- {
- return priv->mesh_channel ?: 1;
- }
- /***************************************************************************
- * Mesh sysfs support
- */
- /*
- * Attributes exported through sysfs
- */
- /**
- * lbs_anycast_get - Get function for sysfs attribute anycast_mask
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer where data will be returned
- */
- 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]));
- }
- /**
- * lbs_anycast_set - Set function for sysfs attribute anycast_mask
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer that contains new attribute value
- * @count: size of buffer
- */
- 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);
- }
- /**
- * lbs_prb_rsp_limit_get - Get function for sysfs attribute prb_rsp_limit
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer where data will be returned
- */
- 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);
- }
- /**
- * lbs_prb_rsp_limit_set - Set function for sysfs attribute prb_rsp_limit
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer that contains new attribute value
- * @count: size of buffer
- */
- 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 (!kstrtoul(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);
- }
- /**
- * lbs_mesh_get - Get function for sysfs attribute mesh
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer where data will be returned
- */
- 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);
- }
- /**
- * lbs_mesh_set - Set function for sysfs attribute mesh
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer that contains new attribute value
- * @count: size of buffer
- */
- 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;
- sscanf(buf, "%x", &enable);
- enable = !!enable;
- if (enable == !!priv->mesh_dev)
- return count;
- 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 const struct attribute_group lbs_mesh_attr_group = {
- .attrs = lbs_mesh_sysfs_entries,
- };
- /***************************************************************************
- * 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;
- }
- /**
- * bootflag_get - Get function for sysfs attribute bootflag
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer where data will be returned
- */
- 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));
- }
- /**
- * bootflag_set - Set function for sysfs attribute bootflag
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer that contains new attribute value
- * @count: size of buffer
- */
- 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);
- }
- /**
- * boottime_get - Get function for sysfs attribute boottime
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer where data will be returned
- */
- 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);
- }
- /**
- * boottime_set - Set function for sysfs attribute boottime
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer that contains new attribute value
- * @count: size of buffer
- */
- 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);
- }
- /**
- * channel_get - Get function for sysfs attribute channel
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer where data will be returned
- */
- 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));
- }
- /**
- * channel_set - Set function for sysfs attribute channel
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer that contains new attribute value
- * @count: size of buffer
- */
- 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);
- }
- /**
- * mesh_id_get - Get function for sysfs attribute mesh_id
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer where data will be returned
- */
- static ssize_t mesh_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;
- if (defs.meshie.val.mesh_id_len > IEEE80211_MAX_SSID_LEN) {
- dev_err(dev, "inconsistent mesh ID length\n");
- defs.meshie.val.mesh_id_len = IEEE80211_MAX_SSID_LEN;
- }
- memcpy(buf, defs.meshie.val.mesh_id, defs.meshie.val.mesh_id_len);
- buf[defs.meshie.val.mesh_id_len] = '\n';
- buf[defs.meshie.val.mesh_id_len + 1] = '\0';
- return defs.meshie.val.mesh_id_len + 1;
- }
- /**
- * mesh_id_set - Set function for sysfs attribute mesh_id
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer that contains new attribute value
- * @count: size of buffer
- */
- 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);
- }
- /**
- * protocol_id_get - Get function for sysfs attribute protocol_id
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer where data will be returned
- */
- 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);
- }
- /**
- * protocol_id_set - Set function for sysfs attribute protocol_id
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer that contains new attribute value
- * @count: size of buffer
- */
- 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);
- }
- /**
- * metric_id_get - Get function for sysfs attribute metric_id
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer where data will be returned
- */
- 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);
- }
- /**
- * metric_id_set - Set function for sysfs attribute metric_id
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer that contains new attribute value
- * @count: size of buffer
- */
- 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);
- }
- /**
- * capability_get - Get function for sysfs attribute capability
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer where data will be returned
- */
- 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);
- }
- /**
- * capability_set - Set function for sysfs attribute capability
- * @dev: the &struct device
- * @attr: device attributes
- * @buf: buffer that contains new attribute value
- * @count: size of buffer
- */
- 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 const 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 const struct attribute_group mesh_ie_group = {
- .name = "mesh_ie",
- .attrs = mesh_ie_attrs,
- };
- static 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);
- }
- static 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);
- }
- /***************************************************************************
- * Initializing and starting, stopping mesh
- */
- /*
- * Check mesh FW version and appropriately send the mesh start
- * command
- */
- int lbs_init_mesh(struct lbs_private *priv)
- {
- int ret = 0;
- lbs_deb_enter(LBS_DEB_MESH);
- /* 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, 1)) {
- priv->mesh_tlv = TLV_TYPE_MESH_ID;
- if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1))
- 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, 1))
- priv->mesh_tlv = 0;
- }
- /* Stop meshing until interface is brought up */
- lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP, 1);
- if (priv->mesh_tlv) {
- sprintf(priv->mesh_ssid, "mesh");
- priv->mesh_ssid_len = 4;
- ret = 1;
- }
- lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
- return ret;
- }
- void lbs_start_mesh(struct lbs_private *priv)
- {
- lbs_add_mesh(priv);
- if (device_create_file(&priv->dev->dev, &dev_attr_lbs_mesh))
- netdev_err(priv->dev, "cannot register lbs_mesh attribute\n");
- }
- 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;
- }
- /**
- * lbs_mesh_stop - close the mshX interface
- *
- * @dev: A pointer to &net_device structure
- * returns: 0
- */
- static int lbs_mesh_stop(struct net_device *dev)
- {
- struct lbs_private *priv = dev->ml_priv;
- lbs_deb_enter(LBS_DEB_MESH);
- lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP,
- lbs_mesh_get_channel(priv));
- spin_lock_irq(&priv->driver_lock);
- netif_stop_queue(dev);
- netif_carrier_off(dev);
- spin_unlock_irq(&priv->driver_lock);
- lbs_update_mcast(priv);
- if (!lbs_iface_active(priv))
- lbs_stop_iface(priv);
- lbs_deb_leave(LBS_DEB_MESH);
- return 0;
- }
- /**
- * lbs_mesh_dev_open - open the mshX interface
- *
- * @dev: A pointer to &net_device structure
- * returns: 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);
- if (!priv->iface_running) {
- ret = lbs_start_iface(priv);
- if (ret)
- goto out;
- }
- spin_lock_irq(&priv->driver_lock);
- if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR) {
- ret = -EBUSY;
- spin_unlock_irq(&priv->driver_lock);
- goto out;
- }
- netif_carrier_on(dev);
- if (!priv->tx_pending_len)
- netif_wake_queue(dev);
- spin_unlock_irq(&priv->driver_lock);
- ret = lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
- lbs_mesh_get_channel(priv));
- out:
- 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_rx_mode = lbs_set_multicast_list,
- };
- /**
- * lbs_add_mesh - add mshX interface
- *
- * @priv: A pointer to the &struct lbs_private structure
- * returns: 0 if successful, -X otherwise
- */
- static int lbs_add_mesh(struct lbs_private *priv)
- {
- struct net_device *mesh_dev = NULL;
- struct wireless_dev *mesh_wdev;
- int ret = 0;
- lbs_deb_enter(LBS_DEB_MESH);
- /* Allocate a virtual mesh device */
- mesh_wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
- if (!mesh_wdev) {
- lbs_deb_mesh("init mshX wireless device failed\n");
- ret = -ENOMEM;
- goto done;
- }
- mesh_dev = alloc_netdev(0, "msh%d", NET_NAME_UNKNOWN, ether_setup);
- if (!mesh_dev) {
- lbs_deb_mesh("init mshX device failed\n");
- ret = -ENOMEM;
- goto err_free_wdev;
- }
- mesh_wdev->iftype = NL80211_IFTYPE_MESH_POINT;
- mesh_wdev->wiphy = priv->wdev->wiphy;
- mesh_wdev->netdev = mesh_dev;
- mesh_dev->ml_priv = priv;
- mesh_dev->ieee80211_ptr = mesh_wdev;
- priv->mesh_dev = mesh_dev;
- mesh_dev->netdev_ops = &mesh_netdev_ops;
- mesh_dev->ethtool_ops = &lbs_ethtool_ops;
- eth_hw_addr_inherit(mesh_dev, priv->dev);
- SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent);
- mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
- /* Register virtual mesh interface */
- ret = register_netdev(mesh_dev);
- if (ret) {
- pr_err("cannot register mshX virtual interface\n");
- goto err_free_netdev;
- }
- 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_netdev:
- free_netdev(mesh_dev);
- err_free_wdev:
- kfree(mesh_wdev);
- 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;
- kfree(mesh_dev->ieee80211_ptr);
- 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;
- }
- }
- /***************************************************************************
- * Ethtool related
- */
- static const char * const 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);
- }
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