![Brian Cavagnolo](/assets/img/avatar_default.png)
Some persistent settings were using hex and others decimal. In some cases, values were set in hex but reported in decimal. Confusing. Signed-off-by: Brian Cavagnolo <brian@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
454 lines
11 KiB
C
454 lines
11 KiB
C
#include <linux/moduleparam.h>
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#include <linux/delay.h>
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#include <linux/etherdevice.h>
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#include <linux/netdevice.h>
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#include <linux/if_arp.h>
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#include <linux/kthread.h>
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#include <linux/kfifo.h>
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#include "host.h"
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#include "decl.h"
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#include "dev.h"
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#include "wext.h"
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#include "debugfs.h"
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#include "scan.h"
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#include "assoc.h"
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#include "cmd.h"
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static int mesh_get_default_parameters(struct device *dev,
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struct mrvl_mesh_defaults *defs)
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{
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struct lbs_private *priv = to_net_dev(dev)->priv;
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struct cmd_ds_mesh_config cmd;
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int ret;
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memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config));
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ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_GET,
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CMD_TYPE_MESH_GET_DEFAULTS);
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if (ret)
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return -EOPNOTSUPP;
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memcpy(defs, &cmd.data[0], sizeof(struct mrvl_mesh_defaults));
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return 0;
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}
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/**
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* @brief Get function for sysfs attribute bootflag
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*/
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static ssize_t bootflag_get(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct mrvl_mesh_defaults defs;
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int ret;
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ret = mesh_get_default_parameters(dev, &defs);
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if (ret)
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return ret;
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return snprintf(buf, 12, "%d\n", le32_to_cpu(defs.bootflag));
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}
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/**
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* @brief Set function for sysfs attribute bootflag
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*/
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static ssize_t bootflag_set(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct lbs_private *priv = to_net_dev(dev)->priv;
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struct cmd_ds_mesh_config cmd;
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uint32_t datum;
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int ret;
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memset(&cmd, 0, sizeof(cmd));
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ret = sscanf(buf, "%d", &datum);
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if ((ret != 1) || (datum > 1))
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return -EINVAL;
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*((__le32 *)&cmd.data[0]) = cpu_to_le32(!!datum);
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cmd.length = cpu_to_le16(sizeof(uint32_t));
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ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
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CMD_TYPE_MESH_SET_BOOTFLAG);
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if (ret)
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return ret;
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return strlen(buf);
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}
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/**
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* @brief Get function for sysfs attribute boottime
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*/
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static ssize_t boottime_get(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct mrvl_mesh_defaults defs;
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int ret;
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ret = mesh_get_default_parameters(dev, &defs);
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if (ret)
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return ret;
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return snprintf(buf, 12, "%d\n", defs.boottime);
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}
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/**
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* @brief Set function for sysfs attribute boottime
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*/
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static ssize_t boottime_set(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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struct lbs_private *priv = to_net_dev(dev)->priv;
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struct cmd_ds_mesh_config cmd;
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uint32_t datum;
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int ret;
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memset(&cmd, 0, sizeof(cmd));
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ret = sscanf(buf, "%d", &datum);
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if ((ret != 1) || (datum > 255))
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return -EINVAL;
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/* A too small boot time will result in the device booting into
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* standalone (no-host) mode before the host can take control of it,
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* so the change will be hard to revert. This may be a desired
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* feature (e.g to configure a very fast boot time for devices that
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* will not be attached to a host), but dangerous. So I'm enforcing a
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* lower limit of 20 seconds: remove and recompile the driver if this
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* does not work for you.
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*/
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datum = (datum < 20) ? 20 : datum;
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cmd.data[0] = datum;
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cmd.length = cpu_to_le16(sizeof(uint8_t));
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ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
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CMD_TYPE_MESH_SET_BOOTTIME);
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if (ret)
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return ret;
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return strlen(buf);
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}
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/**
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* @brief Get function for sysfs attribute channel
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*/
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static ssize_t channel_get(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct mrvl_mesh_defaults defs;
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int ret;
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ret = mesh_get_default_parameters(dev, &defs);
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if (ret)
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return ret;
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return snprintf(buf, 12, "%d\n", le16_to_cpu(defs.channel));
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}
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/**
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* @brief Set function for sysfs attribute channel
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*/
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static ssize_t channel_set(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct lbs_private *priv = to_net_dev(dev)->priv;
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struct cmd_ds_mesh_config cmd;
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uint32_t datum;
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int ret;
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memset(&cmd, 0, sizeof(cmd));
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ret = sscanf(buf, "%d", &datum);
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if (ret != 1 || datum < 1 || datum > 11)
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return -EINVAL;
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*((__le16 *)&cmd.data[0]) = cpu_to_le16(datum);
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cmd.length = cpu_to_le16(sizeof(uint16_t));
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ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
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CMD_TYPE_MESH_SET_DEF_CHANNEL);
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if (ret)
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return ret;
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return strlen(buf);
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}
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/**
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* @brief Get function for sysfs attribute mesh_id
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*/
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static ssize_t mesh_id_get(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct mrvl_mesh_defaults defs;
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int maxlen;
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int ret;
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ret = mesh_get_default_parameters(dev, &defs);
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if (ret)
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return ret;
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if (defs.meshie.val.mesh_id_len > IW_ESSID_MAX_SIZE) {
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lbs_pr_err("inconsistent mesh ID length");
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defs.meshie.val.mesh_id_len = IW_ESSID_MAX_SIZE;
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}
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/* SSID not null terminated: reserve room for \0 + \n */
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maxlen = defs.meshie.val.mesh_id_len + 2;
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maxlen = (PAGE_SIZE > maxlen) ? maxlen : PAGE_SIZE;
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defs.meshie.val.mesh_id[defs.meshie.val.mesh_id_len] = '\0';
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return snprintf(buf, maxlen, "%s\n", defs.meshie.val.mesh_id);
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}
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/**
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* @brief Set function for sysfs attribute mesh_id
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*/
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static ssize_t mesh_id_set(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct cmd_ds_mesh_config cmd;
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struct mrvl_mesh_defaults defs;
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struct mrvl_meshie *ie;
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struct lbs_private *priv = to_net_dev(dev)->priv;
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int len;
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int ret;
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if (count < 2 || count > IW_ESSID_MAX_SIZE + 1)
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return -EINVAL;
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memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config));
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ie = (struct mrvl_meshie *) &cmd.data[0];
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/* fetch all other Information Element parameters */
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ret = mesh_get_default_parameters(dev, &defs);
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cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
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/* transfer IE elements */
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memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
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len = count - 1;
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memcpy(ie->val.mesh_id, buf, len);
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/* SSID len */
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ie->val.mesh_id_len = len;
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/* IE len */
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ie->hdr.len = sizeof(struct mrvl_meshie_val) - IW_ESSID_MAX_SIZE + len;
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ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
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CMD_TYPE_MESH_SET_MESH_IE);
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if (ret)
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return ret;
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return strlen(buf);
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}
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/**
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* @brief Get function for sysfs attribute protocol_id
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*/
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static ssize_t protocol_id_get(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct mrvl_mesh_defaults defs;
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int ret;
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ret = mesh_get_default_parameters(dev, &defs);
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if (ret)
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return ret;
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return snprintf(buf, 5, "%d\n", defs.meshie.val.active_protocol_id);
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}
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/**
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* @brief Set function for sysfs attribute protocol_id
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*/
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static ssize_t protocol_id_set(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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struct cmd_ds_mesh_config cmd;
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struct mrvl_mesh_defaults defs;
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struct mrvl_meshie *ie;
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struct lbs_private *priv = to_net_dev(dev)->priv;
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uint32_t datum;
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int ret;
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memset(&cmd, 0, sizeof(cmd));
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ret = sscanf(buf, "%d", &datum);
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if ((ret != 1) || (datum > 255))
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return -EINVAL;
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/* fetch all other Information Element parameters */
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ret = mesh_get_default_parameters(dev, &defs);
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cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
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/* transfer IE elements */
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ie = (struct mrvl_meshie *) &cmd.data[0];
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memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
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/* update protocol id */
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ie->val.active_protocol_id = datum;
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ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
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CMD_TYPE_MESH_SET_MESH_IE);
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if (ret)
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return ret;
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return strlen(buf);
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}
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/**
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* @brief Get function for sysfs attribute metric_id
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*/
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static ssize_t metric_id_get(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct mrvl_mesh_defaults defs;
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int ret;
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ret = mesh_get_default_parameters(dev, &defs);
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if (ret)
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return ret;
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return snprintf(buf, 5, "%d\n", defs.meshie.val.active_metric_id);
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}
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/**
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* @brief Set function for sysfs attribute metric_id
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*/
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static ssize_t metric_id_set(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct cmd_ds_mesh_config cmd;
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struct mrvl_mesh_defaults defs;
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struct mrvl_meshie *ie;
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struct lbs_private *priv = to_net_dev(dev)->priv;
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uint32_t datum;
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int ret;
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memset(&cmd, 0, sizeof(cmd));
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ret = sscanf(buf, "%d", &datum);
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if ((ret != 1) || (datum > 255))
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return -EINVAL;
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/* fetch all other Information Element parameters */
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ret = mesh_get_default_parameters(dev, &defs);
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cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
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/* transfer IE elements */
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ie = (struct mrvl_meshie *) &cmd.data[0];
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memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
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/* update metric id */
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ie->val.active_metric_id = datum;
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ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
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CMD_TYPE_MESH_SET_MESH_IE);
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if (ret)
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return ret;
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return strlen(buf);
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}
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/**
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* @brief Get function for sysfs attribute capability
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*/
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static ssize_t capability_get(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct mrvl_mesh_defaults defs;
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int ret;
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ret = mesh_get_default_parameters(dev, &defs);
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if (ret)
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return ret;
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return snprintf(buf, 5, "%d\n", defs.meshie.val.mesh_capability);
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}
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/**
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* @brief Set function for sysfs attribute capability
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*/
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static ssize_t capability_set(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct cmd_ds_mesh_config cmd;
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struct mrvl_mesh_defaults defs;
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struct mrvl_meshie *ie;
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struct lbs_private *priv = to_net_dev(dev)->priv;
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uint32_t datum;
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int ret;
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memset(&cmd, 0, sizeof(cmd));
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ret = sscanf(buf, "%d", &datum);
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if ((ret != 1) || (datum > 255))
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return -EINVAL;
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/* fetch all other Information Element parameters */
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ret = mesh_get_default_parameters(dev, &defs);
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cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
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/* transfer IE elements */
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ie = (struct mrvl_meshie *) &cmd.data[0];
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memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
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/* update value */
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ie->val.mesh_capability = datum;
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ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
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CMD_TYPE_MESH_SET_MESH_IE);
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if (ret)
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return ret;
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return strlen(buf);
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}
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static DEVICE_ATTR(bootflag, 0644, bootflag_get, bootflag_set);
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static DEVICE_ATTR(boottime, 0644, boottime_get, boottime_set);
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static DEVICE_ATTR(channel, 0644, channel_get, channel_set);
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static DEVICE_ATTR(mesh_id, 0644, mesh_id_get, mesh_id_set);
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static DEVICE_ATTR(protocol_id, 0644, protocol_id_get, protocol_id_set);
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static DEVICE_ATTR(metric_id, 0644, metric_id_get, metric_id_set);
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static DEVICE_ATTR(capability, 0644, capability_get, capability_set);
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static struct attribute *boot_opts_attrs[] = {
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&dev_attr_bootflag.attr,
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&dev_attr_boottime.attr,
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&dev_attr_channel.attr,
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NULL
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};
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static struct attribute_group boot_opts_group = {
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.name = "boot_options",
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.attrs = boot_opts_attrs,
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};
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static struct attribute *mesh_ie_attrs[] = {
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&dev_attr_mesh_id.attr,
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&dev_attr_protocol_id.attr,
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&dev_attr_metric_id.attr,
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&dev_attr_capability.attr,
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NULL
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};
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static struct attribute_group mesh_ie_group = {
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.name = "mesh_ie",
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.attrs = mesh_ie_attrs,
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};
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void lbs_persist_config_init(struct net_device *dev)
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{
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int ret;
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ret = sysfs_create_group(&(dev->dev.kobj), &boot_opts_group);
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ret = sysfs_create_group(&(dev->dev.kobj), &mesh_ie_group);
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}
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void lbs_persist_config_remove(struct net_device *dev)
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{
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sysfs_remove_group(&(dev->dev.kobj), &boot_opts_group);
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sysfs_remove_group(&(dev->dev.kobj), &mesh_ie_group);
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}
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