mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1146 lines
29 KiB
1146 lines
29 KiB
// SPDX-License-Identifier: GPL-2.0 |
|
#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; |
|
|
|
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); |
|
|
|
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; |
|
|
|
/* |
|
* 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); |
|
|
|
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 wireless_dev *mesh_wdev; |
|
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; |
|
|
|
if (priv->mesh_dev) { |
|
mesh_wdev = priv->mesh_dev->ieee80211_ptr; |
|
ie->val.mesh_id_len = mesh_wdev->mesh_id_up_len; |
|
memcpy(ie->val.mesh_id, mesh_wdev->ssid, |
|
mesh_wdev->mesh_id_up_len); |
|
} |
|
|
|
ie->len = sizeof(struct mrvl_meshie_val) - |
|
IEEE80211_MAX_SSID_LEN + ie->val.mesh_id_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, ie->val.mesh_id_len, |
|
ie->val.mesh_id); |
|
|
|
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 |
|
*/ |
|
|
|
/** |
|
* anycast_mask_show - Get function for sysfs attribute anycast_mask |
|
* @dev: the &struct device |
|
* @attr: device attributes |
|
* @buf: buffer where data will be returned |
|
*/ |
|
static ssize_t anycast_mask_show(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])); |
|
} |
|
|
|
/** |
|
* anycast_mask_store - 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 anycast_mask_store(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); |
|
} |
|
|
|
/** |
|
* prb_rsp_limit_show - 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 prb_rsp_limit_show(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); |
|
} |
|
|
|
/** |
|
* prb_rsp_limit_store - 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 prb_rsp_limit_store(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); |
|
|
|
ret = kstrtoul(buf, 10, &retry_limit); |
|
if (ret) |
|
return ret; |
|
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_show - 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_show(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_store - 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_store(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_RW(lbs_mesh); |
|
|
|
/* |
|
* anycast_mask attribute to be exported per mshX interface |
|
* through sysfs (/sys/class/net/mshX/anycast_mask) |
|
*/ |
|
static DEVICE_ATTR_RW(anycast_mask); |
|
|
|
/* |
|
* prb_rsp_limit attribute to be exported per mshX interface |
|
* through sysfs (/sys/class/net/mshX/prb_rsp_limit) |
|
*/ |
|
static DEVICE_ATTR_RW(prb_rsp_limit); |
|
|
|
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_show - Get function for sysfs attribute bootflag |
|
* @dev: the &struct device |
|
* @attr: device attributes |
|
* @buf: buffer where data will be returned |
|
*/ |
|
static ssize_t bootflag_show(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_store - 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_store(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_show - Get function for sysfs attribute boottime |
|
* @dev: the &struct device |
|
* @attr: device attributes |
|
* @buf: buffer where data will be returned |
|
*/ |
|
static ssize_t boottime_show(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_store - 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_store(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_show - Get function for sysfs attribute channel |
|
* @dev: the &struct device |
|
* @attr: device attributes |
|
* @buf: buffer where data will be returned |
|
*/ |
|
static ssize_t channel_show(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_store - 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_store(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_show - 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_show(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_store - 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_store(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_show - 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_show(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_store - 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_store(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_show - 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_show(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_store - 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_store(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_show - Get function for sysfs attribute capability |
|
* @dev: the &struct device |
|
* @attr: device attributes |
|
* @buf: buffer where data will be returned |
|
*/ |
|
static ssize_t capability_show(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_store - 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_store(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_RW(bootflag); |
|
static DEVICE_ATTR_RW(boottime); |
|
static DEVICE_ATTR_RW(channel); |
|
static DEVICE_ATTR_RW(mesh_id); |
|
static DEVICE_ATTR_RW(protocol_id); |
|
static DEVICE_ATTR_RW(metric_id); |
|
static DEVICE_ATTR_RW(capability); |
|
|
|
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, |
|
}; |
|
|
|
|
|
/*************************************************************************** |
|
* Initializing and starting, stopping mesh |
|
*/ |
|
|
|
/* |
|
* Check mesh FW version and appropriately send the mesh start |
|
* command |
|
*/ |
|
void lbs_init_mesh(struct lbs_private *priv) |
|
{ |
|
/* 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); |
|
} |
|
|
|
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; |
|
|
|
if (priv->mesh_tlv) { |
|
device_remove_file(&dev->dev, &dev_attr_lbs_mesh); |
|
ret = 1; |
|
} |
|
|
|
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_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); |
|
|
|
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; |
|
|
|
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: |
|
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; |
|
|
|
/* 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; |
|
|
|
if (priv->mesh_tlv) { |
|
sprintf(mesh_wdev->ssid, "mesh"); |
|
mesh_wdev->mesh_id_up_len = 4; |
|
} |
|
|
|
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; |
|
mesh_dev->sysfs_groups[0] = &lbs_mesh_attr_group; |
|
mesh_dev->sysfs_groups[1] = &boot_opts_group; |
|
mesh_dev->sysfs_groups[2] = &mesh_ie_group; |
|
|
|
/* Register virtual mesh interface */ |
|
ret = register_netdev(mesh_dev); |
|
if (ret) { |
|
pr_err("cannot register mshX virtual interface\n"); |
|
goto err_free_netdev; |
|
} |
|
|
|
/* Everything successful */ |
|
ret = 0; |
|
goto done; |
|
|
|
err_free_netdev: |
|
free_netdev(mesh_dev); |
|
|
|
err_free_wdev: |
|
kfree(mesh_wdev); |
|
|
|
done: |
|
return ret; |
|
} |
|
|
|
void lbs_remove_mesh(struct lbs_private *priv) |
|
{ |
|
struct net_device *mesh_dev; |
|
|
|
mesh_dev = priv->mesh_dev; |
|
if (!mesh_dev) |
|
return; |
|
|
|
netif_stop_queue(mesh_dev); |
|
netif_carrier_off(mesh_dev); |
|
unregister_netdev(mesh_dev); |
|
priv->mesh_dev = NULL; |
|
kfree(mesh_dev->ieee80211_ptr); |
|
free_netdev(mesh_dev); |
|
} |
|
|
|
|
|
/*************************************************************************** |
|
* 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 mesh_stat_strings[MESH_STATS_NUM][ETH_GSTRING_LEN] = { |
|
"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; |
|
|
|
/* 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; |
|
} |
|
|
|
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) |
|
{ |
|
switch (stringset) { |
|
case ETH_SS_STATS: |
|
memcpy(s, mesh_stat_strings, sizeof(mesh_stat_strings)); |
|
break; |
|
} |
|
}
|
|
|