diff options
Diffstat (limited to 'drivers/net/wireless/libertas/mesh.c')
| -rw-r--r-- | drivers/net/wireless/libertas/mesh.c | 1187 |
1 files changed, 0 insertions, 1187 deletions
diff --git a/drivers/net/wireless/libertas/mesh.c b/drivers/net/wireless/libertas/mesh.c deleted file mode 100644 index d0c881dd5846..000000000000 --- a/drivers/net/wireless/libertas/mesh.c +++ /dev/null @@ -1,1187 +0,0 @@ -#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); -} |