1050 lines
27 KiB
C
1050 lines
27 KiB
C
/*
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* Marvell Wireless LAN device driver: debugfs
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*
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* Copyright (C) 2011-2014, Marvell International Ltd.
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*
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* This software file (the "File") is distributed by Marvell International
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* Ltd. under the terms of the GNU General Public License Version 2, June 1991
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* (the "License"). You may use, redistribute and/or modify this File in
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* accordance with the terms and conditions of the License, a copy of which
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* is available by writing to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
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* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
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*
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* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
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* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
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* this warranty disclaimer.
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*/
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#include <linux/debugfs.h>
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#include "main.h"
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#include "11n.h"
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static struct dentry *mwifiex_dfs_dir;
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static char *bss_modes[] = {
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"UNSPECIFIED",
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"ADHOC",
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"STATION",
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"AP",
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"AP_VLAN",
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"WDS",
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"MONITOR",
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"MESH_POINT",
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"P2P_CLIENT",
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"P2P_GO",
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"P2P_DEVICE",
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};
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/*
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* Proc info file read handler.
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*
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* This function is called when the 'info' file is opened for reading.
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* It prints the following driver related information -
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* - Driver name
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* - Driver version
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* - Driver extended version
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* - Interface name
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* - BSS mode
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* - Media state (connected or disconnected)
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* - MAC address
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* - Total number of Tx bytes
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* - Total number of Rx bytes
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* - Total number of Tx packets
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* - Total number of Rx packets
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* - Total number of dropped Tx packets
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* - Total number of dropped Rx packets
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* - Total number of corrupted Tx packets
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* - Total number of corrupted Rx packets
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* - Carrier status (on or off)
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* - Tx queue status (started or stopped)
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*
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* For STA mode drivers, it also prints the following extra -
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* - ESSID
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* - BSSID
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* - Channel
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* - Region code
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* - Multicast count
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* - Multicast addresses
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*/
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static ssize_t
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mwifiex_info_read(struct file *file, char __user *ubuf,
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size_t count, loff_t *ppos)
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{
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struct mwifiex_private *priv =
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(struct mwifiex_private *) file->private_data;
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struct net_device *netdev = priv->netdev;
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struct netdev_hw_addr *ha;
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struct netdev_queue *txq;
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unsigned long page = get_zeroed_page(GFP_KERNEL);
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char *p = (char *) page, fmt[64];
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struct mwifiex_bss_info info;
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ssize_t ret;
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int i = 0;
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if (!p)
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return -ENOMEM;
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memset(&info, 0, sizeof(info));
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ret = mwifiex_get_bss_info(priv, &info);
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if (ret)
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goto free_and_exit;
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mwifiex_drv_get_driver_version(priv->adapter, fmt, sizeof(fmt) - 1);
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mwifiex_get_ver_ext(priv, 0);
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p += sprintf(p, "driver_name = " "\"mwifiex\"\n");
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p += sprintf(p, "driver_version = %s", fmt);
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p += sprintf(p, "\nverext = %s", priv->version_str);
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p += sprintf(p, "\ninterface_name=\"%s\"\n", netdev->name);
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if (info.bss_mode >= ARRAY_SIZE(bss_modes))
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p += sprintf(p, "bss_mode=\"%d\"\n", info.bss_mode);
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else
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p += sprintf(p, "bss_mode=\"%s\"\n", bss_modes[info.bss_mode]);
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p += sprintf(p, "media_state=\"%s\"\n",
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(!priv->media_connected ? "Disconnected" : "Connected"));
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p += sprintf(p, "mac_address=\"%pM\"\n", netdev->dev_addr);
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if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) {
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p += sprintf(p, "multicast_count=\"%d\"\n",
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netdev_mc_count(netdev));
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p += sprintf(p, "essid=\"%.*s\"\n", info.ssid.ssid_len,
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info.ssid.ssid);
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p += sprintf(p, "bssid=\"%pM\"\n", info.bssid);
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p += sprintf(p, "channel=\"%d\"\n", (int) info.bss_chan);
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p += sprintf(p, "country_code = \"%s\"\n", info.country_code);
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p += sprintf(p, "region_code=\"0x%x\"\n",
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priv->adapter->region_code);
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netdev_for_each_mc_addr(ha, netdev)
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p += sprintf(p, "multicast_address[%d]=\"%pM\"\n",
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i++, ha->addr);
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}
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p += sprintf(p, "num_tx_bytes = %lu\n", priv->stats.tx_bytes);
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p += sprintf(p, "num_rx_bytes = %lu\n", priv->stats.rx_bytes);
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p += sprintf(p, "num_tx_pkts = %lu\n", priv->stats.tx_packets);
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p += sprintf(p, "num_rx_pkts = %lu\n", priv->stats.rx_packets);
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p += sprintf(p, "num_tx_pkts_dropped = %lu\n", priv->stats.tx_dropped);
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p += sprintf(p, "num_rx_pkts_dropped = %lu\n", priv->stats.rx_dropped);
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p += sprintf(p, "num_tx_pkts_err = %lu\n", priv->stats.tx_errors);
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p += sprintf(p, "num_rx_pkts_err = %lu\n", priv->stats.rx_errors);
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p += sprintf(p, "carrier %s\n", ((netif_carrier_ok(priv->netdev))
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? "on" : "off"));
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p += sprintf(p, "tx queue");
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for (i = 0; i < netdev->num_tx_queues; i++) {
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txq = netdev_get_tx_queue(netdev, i);
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p += sprintf(p, " %d:%s", i, netif_tx_queue_stopped(txq) ?
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"stopped" : "started");
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}
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p += sprintf(p, "\n");
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ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page,
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(unsigned long) p - page);
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free_and_exit:
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free_page(page);
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return ret;
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}
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/*
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* Proc device dump read handler.
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*
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* This function is called when the 'device_dump' file is opened for
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* reading.
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* This function dumps driver information and firmware memory segments
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* (ex. DTCM, ITCM, SQRAM etc.) for
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* debugging.
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*/
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static ssize_t
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mwifiex_device_dump_read(struct file *file, char __user *ubuf,
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size_t count, loff_t *ppos)
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{
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struct mwifiex_private *priv = file->private_data;
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if (!priv->adapter->if_ops.device_dump)
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return -EIO;
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priv->adapter->if_ops.device_dump(priv->adapter);
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return 0;
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}
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/*
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* Proc getlog file read handler.
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*
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* This function is called when the 'getlog' file is opened for reading
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* It prints the following log information -
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* - Number of multicast Tx frames
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* - Number of failed packets
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* - Number of Tx retries
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* - Number of multicast Tx retries
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* - Number of duplicate frames
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* - Number of RTS successes
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* - Number of RTS failures
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* - Number of ACK failures
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* - Number of fragmented Rx frames
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* - Number of multicast Rx frames
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* - Number of FCS errors
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* - Number of Tx frames
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* - WEP ICV error counts
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* - Number of received beacons
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* - Number of missed beacons
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*/
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static ssize_t
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mwifiex_getlog_read(struct file *file, char __user *ubuf,
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size_t count, loff_t *ppos)
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{
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struct mwifiex_private *priv =
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(struct mwifiex_private *) file->private_data;
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unsigned long page = get_zeroed_page(GFP_KERNEL);
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char *p = (char *) page;
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ssize_t ret;
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struct mwifiex_ds_get_stats stats;
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if (!p)
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return -ENOMEM;
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memset(&stats, 0, sizeof(stats));
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ret = mwifiex_get_stats_info(priv, &stats);
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if (ret)
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goto free_and_exit;
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p += sprintf(p, "\n"
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"mcasttxframe %u\n"
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"failed %u\n"
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"retry %u\n"
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"multiretry %u\n"
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"framedup %u\n"
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"rtssuccess %u\n"
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"rtsfailure %u\n"
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"ackfailure %u\n"
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"rxfrag %u\n"
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"mcastrxframe %u\n"
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"fcserror %u\n"
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"txframe %u\n"
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"wepicverrcnt-1 %u\n"
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"wepicverrcnt-2 %u\n"
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"wepicverrcnt-3 %u\n"
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"wepicverrcnt-4 %u\n"
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"bcn_rcv_cnt %u\n"
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"bcn_miss_cnt %u\n",
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stats.mcast_tx_frame,
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stats.failed,
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stats.retry,
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stats.multi_retry,
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stats.frame_dup,
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stats.rts_success,
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stats.rts_failure,
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stats.ack_failure,
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stats.rx_frag,
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stats.mcast_rx_frame,
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stats.fcs_error,
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stats.tx_frame,
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stats.wep_icv_error[0],
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stats.wep_icv_error[1],
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stats.wep_icv_error[2],
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stats.wep_icv_error[3],
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stats.bcn_rcv_cnt,
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stats.bcn_miss_cnt);
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ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page,
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(unsigned long) p - page);
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free_and_exit:
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free_page(page);
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return ret;
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}
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/* Sysfs histogram file read handler.
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*
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* This function is called when the 'histogram' file is opened for reading
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* It prints the following histogram information -
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* - Number of histogram samples
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* - Receive packet number of each rx_rate
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* - Receive packet number of each snr
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* - Receive packet number of each nosie_flr
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* - Receive packet number of each signal streath
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*/
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static ssize_t
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mwifiex_histogram_read(struct file *file, char __user *ubuf,
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size_t count, loff_t *ppos)
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{
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struct mwifiex_private *priv =
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(struct mwifiex_private *)file->private_data;
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ssize_t ret;
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struct mwifiex_histogram_data *phist_data;
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int i, value;
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unsigned long page = get_zeroed_page(GFP_KERNEL);
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char *p = (char *)page;
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if (!p)
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return -ENOMEM;
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if (!priv || !priv->hist_data)
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return -EFAULT;
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phist_data = priv->hist_data;
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p += sprintf(p, "\n"
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"total samples = %d\n",
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atomic_read(&phist_data->num_samples));
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p += sprintf(p,
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"rx rates (in Mbps): 0=1M 1=2M 2=5.5M 3=11M 4=6M 5=9M 6=12M\n"
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"7=18M 8=24M 9=36M 10=48M 11=54M 12-27=MCS0-15(BW20) 28-43=MCS0-15(BW40)\n");
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if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info)) {
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p += sprintf(p,
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"44-53=MCS0-9(VHT:BW20) 54-63=MCS0-9(VHT:BW40) 64-73=MCS0-9(VHT:BW80)\n\n");
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} else {
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p += sprintf(p, "\n");
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}
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for (i = 0; i < MWIFIEX_MAX_RX_RATES; i++) {
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value = atomic_read(&phist_data->rx_rate[i]);
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if (value)
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p += sprintf(p, "rx_rate[%02d] = %d\n", i, value);
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}
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if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info)) {
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for (i = MWIFIEX_MAX_RX_RATES; i < MWIFIEX_MAX_AC_RX_RATES;
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i++) {
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value = atomic_read(&phist_data->rx_rate[i]);
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if (value)
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p += sprintf(p, "rx_rate[%02d] = %d\n",
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i, value);
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}
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}
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for (i = 0; i < MWIFIEX_MAX_SNR; i++) {
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value = atomic_read(&phist_data->snr[i]);
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if (value)
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p += sprintf(p, "snr[%02ddB] = %d\n", i, value);
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}
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for (i = 0; i < MWIFIEX_MAX_NOISE_FLR; i++) {
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value = atomic_read(&phist_data->noise_flr[i]);
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if (value)
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p += sprintf(p, "noise_flr[%02ddBm] = %d\n",
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(int)(i-128), value);
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}
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for (i = 0; i < MWIFIEX_MAX_SIG_STRENGTH; i++) {
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value = atomic_read(&phist_data->sig_str[i]);
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if (value)
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p += sprintf(p, "sig_strength[-%02ddBm] = %d\n",
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i, value);
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}
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ret = simple_read_from_buffer(ubuf, count, ppos, (char *)page,
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(unsigned long)p - page);
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return ret;
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}
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static ssize_t
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mwifiex_histogram_write(struct file *file, const char __user *ubuf,
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size_t count, loff_t *ppos)
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{
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struct mwifiex_private *priv = (void *)file->private_data;
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if (priv && priv->hist_data)
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mwifiex_hist_data_reset(priv);
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return 0;
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}
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static struct mwifiex_debug_info info;
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/*
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* Proc debug file read handler.
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*
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* This function is called when the 'debug' file is opened for reading
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* It prints the following log information -
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* - Interrupt count
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* - WMM AC VO packets count
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* - WMM AC VI packets count
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* - WMM AC BE packets count
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* - WMM AC BK packets count
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* - Maximum Tx buffer size
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* - Tx buffer size
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* - Current Tx buffer size
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* - Power Save mode
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* - Power Save state
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|
* - Deep Sleep status
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* - Device wakeup required status
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* - Number of wakeup tries
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* - Host Sleep configured status
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|
* - Host Sleep activated status
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* - Number of Tx timeouts
|
|
* - Number of command timeouts
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|
* - Last timed out command ID
|
|
* - Last timed out command action
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|
* - Last command ID
|
|
* - Last command action
|
|
* - Last command index
|
|
* - Last command response ID
|
|
* - Last command response index
|
|
* - Last event
|
|
* - Last event index
|
|
* - Number of host to card command failures
|
|
* - Number of sleep confirm command failures
|
|
* - Number of host to card data failure
|
|
* - Number of deauthentication events
|
|
* - Number of disassociation events
|
|
* - Number of link lost events
|
|
* - Number of deauthentication commands
|
|
* - Number of association success commands
|
|
* - Number of association failure commands
|
|
* - Number of commands sent
|
|
* - Number of data packets sent
|
|
* - Number of command responses received
|
|
* - Number of events received
|
|
* - Tx BA stream table (TID, RA)
|
|
* - Rx reorder table (TID, TA, Start window, Window size, Buffer)
|
|
*/
|
|
static ssize_t
|
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mwifiex_debug_read(struct file *file, char __user *ubuf,
|
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size_t count, loff_t *ppos)
|
|
{
|
|
struct mwifiex_private *priv =
|
|
(struct mwifiex_private *) file->private_data;
|
|
unsigned long page = get_zeroed_page(GFP_KERNEL);
|
|
char *p = (char *) page;
|
|
ssize_t ret;
|
|
|
|
if (!p)
|
|
return -ENOMEM;
|
|
|
|
ret = mwifiex_get_debug_info(priv, &info);
|
|
if (ret)
|
|
goto free_and_exit;
|
|
|
|
p += mwifiex_debug_info_to_buffer(priv, p, &info);
|
|
|
|
ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page,
|
|
(unsigned long) p - page);
|
|
|
|
free_and_exit:
|
|
free_page(page);
|
|
return ret;
|
|
}
|
|
|
|
static u32 saved_reg_type, saved_reg_offset, saved_reg_value;
|
|
|
|
/*
|
|
* Proc regrdwr file write handler.
|
|
*
|
|
* This function is called when the 'regrdwr' file is opened for writing
|
|
*
|
|
* This function can be used to write to a register.
|
|
*/
|
|
static ssize_t
|
|
mwifiex_regrdwr_write(struct file *file,
|
|
const char __user *ubuf, size_t count, loff_t *ppos)
|
|
{
|
|
char *buf;
|
|
int ret;
|
|
u32 reg_type = 0, reg_offset = 0, reg_value = UINT_MAX;
|
|
|
|
buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1)));
|
|
if (IS_ERR(buf))
|
|
return PTR_ERR(buf);
|
|
|
|
sscanf(buf, "%u %x %x", ®_type, ®_offset, ®_value);
|
|
|
|
if (reg_type == 0 || reg_offset == 0) {
|
|
ret = -EINVAL;
|
|
goto done;
|
|
} else {
|
|
saved_reg_type = reg_type;
|
|
saved_reg_offset = reg_offset;
|
|
saved_reg_value = reg_value;
|
|
ret = count;
|
|
}
|
|
done:
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Proc regrdwr file read handler.
|
|
*
|
|
* This function is called when the 'regrdwr' file is opened for reading
|
|
*
|
|
* This function can be used to read from a register.
|
|
*/
|
|
static ssize_t
|
|
mwifiex_regrdwr_read(struct file *file, char __user *ubuf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct mwifiex_private *priv =
|
|
(struct mwifiex_private *) file->private_data;
|
|
unsigned long addr = get_zeroed_page(GFP_KERNEL);
|
|
char *buf = (char *) addr;
|
|
int pos = 0, ret = 0;
|
|
u32 reg_value;
|
|
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
if (!saved_reg_type) {
|
|
/* No command has been given */
|
|
pos += snprintf(buf, PAGE_SIZE, "0");
|
|
goto done;
|
|
}
|
|
/* Set command has been given */
|
|
if (saved_reg_value != UINT_MAX) {
|
|
ret = mwifiex_reg_write(priv, saved_reg_type, saved_reg_offset,
|
|
saved_reg_value);
|
|
|
|
pos += snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n",
|
|
saved_reg_type, saved_reg_offset,
|
|
saved_reg_value);
|
|
|
|
ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
|
|
|
|
goto done;
|
|
}
|
|
/* Get command has been given */
|
|
ret = mwifiex_reg_read(priv, saved_reg_type,
|
|
saved_reg_offset, ®_value);
|
|
if (ret) {
|
|
ret = -EINVAL;
|
|
goto done;
|
|
}
|
|
|
|
pos += snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", saved_reg_type,
|
|
saved_reg_offset, reg_value);
|
|
|
|
ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
|
|
|
|
done:
|
|
free_page(addr);
|
|
return ret;
|
|
}
|
|
|
|
/* Proc debug_mask file read handler.
|
|
* This function is called when the 'debug_mask' file is opened for reading
|
|
* This function can be used read driver debugging mask value.
|
|
*/
|
|
static ssize_t
|
|
mwifiex_debug_mask_read(struct file *file, char __user *ubuf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct mwifiex_private *priv =
|
|
(struct mwifiex_private *)file->private_data;
|
|
unsigned long page = get_zeroed_page(GFP_KERNEL);
|
|
char *buf = (char *)page;
|
|
size_t ret = 0;
|
|
int pos = 0;
|
|
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
pos += snprintf(buf, PAGE_SIZE, "debug mask=0x%08x\n",
|
|
priv->adapter->debug_mask);
|
|
ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
|
|
|
|
free_page(page);
|
|
return ret;
|
|
}
|
|
|
|
/* Proc debug_mask file read handler.
|
|
* This function is called when the 'debug_mask' file is opened for reading
|
|
* This function can be used read driver debugging mask value.
|
|
*/
|
|
static ssize_t
|
|
mwifiex_debug_mask_write(struct file *file, const char __user *ubuf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
int ret;
|
|
unsigned long debug_mask;
|
|
struct mwifiex_private *priv = (void *)file->private_data;
|
|
char *buf;
|
|
|
|
buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1)));
|
|
if (IS_ERR(buf))
|
|
return PTR_ERR(buf);
|
|
|
|
if (kstrtoul(buf, 0, &debug_mask)) {
|
|
ret = -EINVAL;
|
|
goto done;
|
|
}
|
|
|
|
priv->adapter->debug_mask = debug_mask;
|
|
ret = count;
|
|
done:
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
/* debugfs verext file write handler.
|
|
* This function is called when the 'verext' file is opened for write
|
|
*/
|
|
static ssize_t
|
|
mwifiex_verext_write(struct file *file, const char __user *ubuf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
int ret;
|
|
u32 versionstrsel;
|
|
struct mwifiex_private *priv = (void *)file->private_data;
|
|
char buf[16];
|
|
|
|
memset(buf, 0, sizeof(buf));
|
|
|
|
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
|
|
return -EFAULT;
|
|
|
|
ret = kstrtou32(buf, 10, &versionstrsel);
|
|
if (ret)
|
|
return ret;
|
|
|
|
priv->versionstrsel = versionstrsel;
|
|
|
|
return count;
|
|
}
|
|
|
|
/* Proc verext file read handler.
|
|
* This function is called when the 'verext' file is opened for reading
|
|
* This function can be used read driver exteneed verion string.
|
|
*/
|
|
static ssize_t
|
|
mwifiex_verext_read(struct file *file, char __user *ubuf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct mwifiex_private *priv =
|
|
(struct mwifiex_private *)file->private_data;
|
|
char buf[256];
|
|
int ret;
|
|
|
|
mwifiex_get_ver_ext(priv, priv->versionstrsel);
|
|
ret = snprintf(buf, sizeof(buf), "version string: %s\n",
|
|
priv->version_str);
|
|
|
|
return simple_read_from_buffer(ubuf, count, ppos, buf, ret);
|
|
}
|
|
|
|
/* Proc memrw file write handler.
|
|
* This function is called when the 'memrw' file is opened for writing
|
|
* This function can be used to write to a memory location.
|
|
*/
|
|
static ssize_t
|
|
mwifiex_memrw_write(struct file *file, const char __user *ubuf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
int ret;
|
|
char cmd;
|
|
struct mwifiex_ds_mem_rw mem_rw;
|
|
u16 cmd_action;
|
|
struct mwifiex_private *priv = (void *)file->private_data;
|
|
char *buf;
|
|
|
|
buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1)));
|
|
if (IS_ERR(buf))
|
|
return PTR_ERR(buf);
|
|
|
|
ret = sscanf(buf, "%c %x %x", &cmd, &mem_rw.addr, &mem_rw.value);
|
|
if (ret != 3) {
|
|
ret = -EINVAL;
|
|
goto done;
|
|
}
|
|
|
|
if ((cmd == 'r') || (cmd == 'R')) {
|
|
cmd_action = HostCmd_ACT_GEN_GET;
|
|
mem_rw.value = 0;
|
|
} else if ((cmd == 'w') || (cmd == 'W')) {
|
|
cmd_action = HostCmd_ACT_GEN_SET;
|
|
} else {
|
|
ret = -EINVAL;
|
|
goto done;
|
|
}
|
|
|
|
memcpy(&priv->mem_rw, &mem_rw, sizeof(mem_rw));
|
|
if (mwifiex_send_cmd(priv, HostCmd_CMD_MEM_ACCESS, cmd_action, 0,
|
|
&mem_rw, true))
|
|
ret = -1;
|
|
else
|
|
ret = count;
|
|
|
|
done:
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
/* Proc memrw file read handler.
|
|
* This function is called when the 'memrw' file is opened for reading
|
|
* This function can be used to read from a memory location.
|
|
*/
|
|
static ssize_t
|
|
mwifiex_memrw_read(struct file *file, char __user *ubuf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct mwifiex_private *priv = (void *)file->private_data;
|
|
unsigned long addr = get_zeroed_page(GFP_KERNEL);
|
|
char *buf = (char *)addr;
|
|
int ret, pos = 0;
|
|
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
pos += snprintf(buf, PAGE_SIZE, "0x%x 0x%x\n", priv->mem_rw.addr,
|
|
priv->mem_rw.value);
|
|
ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
|
|
|
|
free_page(addr);
|
|
return ret;
|
|
}
|
|
|
|
static u32 saved_offset = -1, saved_bytes = -1;
|
|
|
|
/*
|
|
* Proc rdeeprom file write handler.
|
|
*
|
|
* This function is called when the 'rdeeprom' file is opened for writing
|
|
*
|
|
* This function can be used to write to a RDEEPROM location.
|
|
*/
|
|
static ssize_t
|
|
mwifiex_rdeeprom_write(struct file *file,
|
|
const char __user *ubuf, size_t count, loff_t *ppos)
|
|
{
|
|
char *buf;
|
|
int ret = 0;
|
|
int offset = -1, bytes = -1;
|
|
|
|
buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1)));
|
|
if (IS_ERR(buf))
|
|
return PTR_ERR(buf);
|
|
|
|
sscanf(buf, "%d %d", &offset, &bytes);
|
|
|
|
if (offset == -1 || bytes == -1) {
|
|
ret = -EINVAL;
|
|
goto done;
|
|
} else {
|
|
saved_offset = offset;
|
|
saved_bytes = bytes;
|
|
ret = count;
|
|
}
|
|
done:
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Proc rdeeprom read write handler.
|
|
*
|
|
* This function is called when the 'rdeeprom' file is opened for reading
|
|
*
|
|
* This function can be used to read from a RDEEPROM location.
|
|
*/
|
|
static ssize_t
|
|
mwifiex_rdeeprom_read(struct file *file, char __user *ubuf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct mwifiex_private *priv =
|
|
(struct mwifiex_private *) file->private_data;
|
|
unsigned long addr = get_zeroed_page(GFP_KERNEL);
|
|
char *buf = (char *) addr;
|
|
int pos, ret, i;
|
|
u8 value[MAX_EEPROM_DATA];
|
|
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
if (saved_offset == -1) {
|
|
/* No command has been given */
|
|
pos = snprintf(buf, PAGE_SIZE, "0");
|
|
goto done;
|
|
}
|
|
|
|
/* Get command has been given */
|
|
ret = mwifiex_eeprom_read(priv, (u16) saved_offset,
|
|
(u16) saved_bytes, value);
|
|
if (ret) {
|
|
ret = -EINVAL;
|
|
goto out_free;
|
|
}
|
|
|
|
pos = snprintf(buf, PAGE_SIZE, "%d %d ", saved_offset, saved_bytes);
|
|
|
|
for (i = 0; i < saved_bytes; i++)
|
|
pos += scnprintf(buf + pos, PAGE_SIZE - pos, "%d ", value[i]);
|
|
|
|
done:
|
|
ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
|
|
out_free:
|
|
free_page(addr);
|
|
return ret;
|
|
}
|
|
|
|
/* Proc hscfg file write handler
|
|
* This function can be used to configure the host sleep parameters.
|
|
*/
|
|
static ssize_t
|
|
mwifiex_hscfg_write(struct file *file, const char __user *ubuf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct mwifiex_private *priv = (void *)file->private_data;
|
|
char *buf;
|
|
int ret, arg_num;
|
|
struct mwifiex_ds_hs_cfg hscfg;
|
|
int conditions = HS_CFG_COND_DEF;
|
|
u32 gpio = HS_CFG_GPIO_DEF, gap = HS_CFG_GAP_DEF;
|
|
|
|
buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1)));
|
|
if (IS_ERR(buf))
|
|
return PTR_ERR(buf);
|
|
|
|
arg_num = sscanf(buf, "%d %x %x", &conditions, &gpio, &gap);
|
|
|
|
memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg));
|
|
|
|
if (arg_num > 3) {
|
|
mwifiex_dbg(priv->adapter, ERROR,
|
|
"Too many arguments\n");
|
|
ret = -EINVAL;
|
|
goto done;
|
|
}
|
|
|
|
if (arg_num >= 1 && arg_num < 3)
|
|
mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_GET,
|
|
MWIFIEX_SYNC_CMD, &hscfg);
|
|
|
|
if (arg_num) {
|
|
if (conditions == HS_CFG_CANCEL) {
|
|
mwifiex_cancel_hs(priv, MWIFIEX_ASYNC_CMD);
|
|
ret = count;
|
|
goto done;
|
|
}
|
|
hscfg.conditions = conditions;
|
|
}
|
|
if (arg_num >= 2)
|
|
hscfg.gpio = gpio;
|
|
if (arg_num == 3)
|
|
hscfg.gap = gap;
|
|
|
|
hscfg.is_invoke_hostcmd = false;
|
|
mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET,
|
|
MWIFIEX_SYNC_CMD, &hscfg);
|
|
|
|
mwifiex_enable_hs(priv->adapter);
|
|
priv->adapter->hs_enabling = false;
|
|
ret = count;
|
|
done:
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
/* Proc hscfg file read handler
|
|
* This function can be used to read host sleep configuration
|
|
* parameters from driver.
|
|
*/
|
|
static ssize_t
|
|
mwifiex_hscfg_read(struct file *file, char __user *ubuf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct mwifiex_private *priv = (void *)file->private_data;
|
|
unsigned long addr = get_zeroed_page(GFP_KERNEL);
|
|
char *buf = (char *)addr;
|
|
int pos, ret;
|
|
struct mwifiex_ds_hs_cfg hscfg;
|
|
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_GET,
|
|
MWIFIEX_SYNC_CMD, &hscfg);
|
|
|
|
pos = snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", hscfg.conditions,
|
|
hscfg.gpio, hscfg.gap);
|
|
|
|
ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
|
|
|
|
free_page(addr);
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t
|
|
mwifiex_timeshare_coex_read(struct file *file, char __user *ubuf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct mwifiex_private *priv = file->private_data;
|
|
char buf[3];
|
|
bool timeshare_coex;
|
|
int ret;
|
|
unsigned int len;
|
|
|
|
if (priv->adapter->fw_api_ver != MWIFIEX_FW_V15)
|
|
return -EOPNOTSUPP;
|
|
|
|
ret = mwifiex_send_cmd(priv, HostCmd_CMD_ROBUST_COEX,
|
|
HostCmd_ACT_GEN_GET, 0, ×hare_coex, true);
|
|
if (ret)
|
|
return ret;
|
|
|
|
len = sprintf(buf, "%d\n", timeshare_coex);
|
|
return simple_read_from_buffer(ubuf, count, ppos, buf, len);
|
|
}
|
|
|
|
static ssize_t
|
|
mwifiex_timeshare_coex_write(struct file *file, const char __user *ubuf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
bool timeshare_coex;
|
|
struct mwifiex_private *priv = file->private_data;
|
|
char kbuf[16];
|
|
int ret;
|
|
|
|
if (priv->adapter->fw_api_ver != MWIFIEX_FW_V15)
|
|
return -EOPNOTSUPP;
|
|
|
|
memset(kbuf, 0, sizeof(kbuf));
|
|
|
|
if (copy_from_user(&kbuf, ubuf, min_t(size_t, sizeof(kbuf) - 1, count)))
|
|
return -EFAULT;
|
|
|
|
if (strtobool(kbuf, ×hare_coex))
|
|
return -EINVAL;
|
|
|
|
ret = mwifiex_send_cmd(priv, HostCmd_CMD_ROBUST_COEX,
|
|
HostCmd_ACT_GEN_SET, 0, ×hare_coex, true);
|
|
if (ret)
|
|
return ret;
|
|
else
|
|
return count;
|
|
}
|
|
|
|
static ssize_t
|
|
mwifiex_reset_write(struct file *file,
|
|
const char __user *ubuf, size_t count, loff_t *ppos)
|
|
{
|
|
struct mwifiex_private *priv = file->private_data;
|
|
struct mwifiex_adapter *adapter = priv->adapter;
|
|
bool result;
|
|
int rc;
|
|
|
|
rc = kstrtobool_from_user(ubuf, count, &result);
|
|
if (rc)
|
|
return rc;
|
|
|
|
if (!result)
|
|
return -EINVAL;
|
|
|
|
if (adapter->if_ops.card_reset) {
|
|
dev_info(adapter->dev, "Resetting per request\n");
|
|
adapter->hw_status = MWIFIEX_HW_STATUS_RESET;
|
|
mwifiex_cancel_all_pending_cmd(adapter);
|
|
adapter->if_ops.card_reset(adapter);
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
#define MWIFIEX_DFS_ADD_FILE(name) do { \
|
|
if (!debugfs_create_file(#name, 0644, priv->dfs_dev_dir, \
|
|
priv, &mwifiex_dfs_##name##_fops)) \
|
|
return; \
|
|
} while (0);
|
|
|
|
#define MWIFIEX_DFS_FILE_OPS(name) \
|
|
static const struct file_operations mwifiex_dfs_##name##_fops = { \
|
|
.read = mwifiex_##name##_read, \
|
|
.write = mwifiex_##name##_write, \
|
|
.open = simple_open, \
|
|
};
|
|
|
|
#define MWIFIEX_DFS_FILE_READ_OPS(name) \
|
|
static const struct file_operations mwifiex_dfs_##name##_fops = { \
|
|
.read = mwifiex_##name##_read, \
|
|
.open = simple_open, \
|
|
};
|
|
|
|
#define MWIFIEX_DFS_FILE_WRITE_OPS(name) \
|
|
static const struct file_operations mwifiex_dfs_##name##_fops = { \
|
|
.write = mwifiex_##name##_write, \
|
|
.open = simple_open, \
|
|
};
|
|
|
|
|
|
MWIFIEX_DFS_FILE_READ_OPS(info);
|
|
MWIFIEX_DFS_FILE_READ_OPS(debug);
|
|
MWIFIEX_DFS_FILE_READ_OPS(getlog);
|
|
MWIFIEX_DFS_FILE_READ_OPS(device_dump);
|
|
MWIFIEX_DFS_FILE_OPS(regrdwr);
|
|
MWIFIEX_DFS_FILE_OPS(rdeeprom);
|
|
MWIFIEX_DFS_FILE_OPS(memrw);
|
|
MWIFIEX_DFS_FILE_OPS(hscfg);
|
|
MWIFIEX_DFS_FILE_OPS(histogram);
|
|
MWIFIEX_DFS_FILE_OPS(debug_mask);
|
|
MWIFIEX_DFS_FILE_OPS(timeshare_coex);
|
|
MWIFIEX_DFS_FILE_WRITE_OPS(reset);
|
|
MWIFIEX_DFS_FILE_OPS(verext);
|
|
|
|
/*
|
|
* This function creates the debug FS directory structure and the files.
|
|
*/
|
|
void
|
|
mwifiex_dev_debugfs_init(struct mwifiex_private *priv)
|
|
{
|
|
if (!mwifiex_dfs_dir || !priv)
|
|
return;
|
|
|
|
priv->dfs_dev_dir = debugfs_create_dir(priv->netdev->name,
|
|
mwifiex_dfs_dir);
|
|
|
|
if (!priv->dfs_dev_dir)
|
|
return;
|
|
|
|
MWIFIEX_DFS_ADD_FILE(info);
|
|
MWIFIEX_DFS_ADD_FILE(debug);
|
|
MWIFIEX_DFS_ADD_FILE(getlog);
|
|
MWIFIEX_DFS_ADD_FILE(regrdwr);
|
|
MWIFIEX_DFS_ADD_FILE(rdeeprom);
|
|
MWIFIEX_DFS_ADD_FILE(device_dump);
|
|
MWIFIEX_DFS_ADD_FILE(memrw);
|
|
MWIFIEX_DFS_ADD_FILE(hscfg);
|
|
MWIFIEX_DFS_ADD_FILE(histogram);
|
|
MWIFIEX_DFS_ADD_FILE(debug_mask);
|
|
MWIFIEX_DFS_ADD_FILE(timeshare_coex);
|
|
MWIFIEX_DFS_ADD_FILE(reset);
|
|
MWIFIEX_DFS_ADD_FILE(verext);
|
|
}
|
|
|
|
/*
|
|
* This function removes the debug FS directory structure and the files.
|
|
*/
|
|
void
|
|
mwifiex_dev_debugfs_remove(struct mwifiex_private *priv)
|
|
{
|
|
if (!priv)
|
|
return;
|
|
|
|
debugfs_remove_recursive(priv->dfs_dev_dir);
|
|
}
|
|
|
|
/*
|
|
* This function creates the top level proc directory.
|
|
*/
|
|
void
|
|
mwifiex_debugfs_init(void)
|
|
{
|
|
if (!mwifiex_dfs_dir)
|
|
mwifiex_dfs_dir = debugfs_create_dir("mwifiex", NULL);
|
|
}
|
|
|
|
/*
|
|
* This function removes the top level proc directory.
|
|
*/
|
|
void
|
|
mwifiex_debugfs_remove(void)
|
|
{
|
|
if (mwifiex_dfs_dir)
|
|
debugfs_remove(mwifiex_dfs_dir);
|
|
}
|