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1021 lines
26 KiB
1021 lines
26 KiB
/* |
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* NXP Wireless LAN device driver: debugfs |
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* |
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* Copyright 2011-2020 NXP |
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* |
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* This software file (the "File") is distributed by NXP |
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* 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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|
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#include <linux/debugfs.h> |
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|
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#include "main.h" |
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#include "11n.h" |
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|
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static struct dentry *mwifiex_dfs_dir; |
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|
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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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/* |
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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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|
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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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|
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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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|
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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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|
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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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|
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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 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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|
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if (!p) |
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return -ENOMEM; |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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return ret; |
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} |
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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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|
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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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/* |
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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 |
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* - Number of command timeouts |
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* - Last timed out command ID |
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* - Last timed out command action |
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* - Last command ID |
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* - Last command action |
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* - Last command index |
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* - Last command response ID |
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* - Last command response index |
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* - Last event |
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* - Last event index |
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* - Number of host to card command failures |
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* - Number of sleep confirm command failures |
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* - Number of host to card data failure |
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* - Number of deauthentication events |
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* - Number of disassociation events |
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* - Number of link lost events |
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* - Number of deauthentication commands |
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* - Number of association success commands |
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* - Number of association failure commands |
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* - Number of commands sent |
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* - Number of data packets sent |
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* - Number of command responses received |
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* - Number of events received |
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* - Tx BA stream table (TID, RA) |
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* - Rx reorder table (TID, TA, Start window, Window size, Buffer) |
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*/ |
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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) |
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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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|
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if (!p) |
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return -ENOMEM; |
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ret = mwifiex_get_debug_info(priv, &info); |
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if (ret) |
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goto free_and_exit; |
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|
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p += mwifiex_debug_info_to_buffer(priv, p, &info); |
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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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|
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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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static u32 saved_reg_type, saved_reg_offset, saved_reg_value; |
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|
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/* |
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* Proc regrdwr file write handler. |
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* |
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* This function is called when the 'regrdwr' file is opened for writing |
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* |
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* This function can be used to write to a register. |
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*/ |
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static ssize_t |
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mwifiex_regrdwr_write(struct file *file, |
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const char __user *ubuf, size_t count, loff_t *ppos) |
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{ |
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char *buf; |
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int ret; |
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u32 reg_type = 0, reg_offset = 0, reg_value = UINT_MAX; |
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|
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buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); |
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if (IS_ERR(buf)) |
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return PTR_ERR(buf); |
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|
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sscanf(buf, "%u %x %x", ®_type, ®_offset, ®_value); |
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|
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if (reg_type == 0 || reg_offset == 0) { |
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ret = -EINVAL; |
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goto done; |
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} else { |
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saved_reg_type = reg_type; |
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saved_reg_offset = reg_offset; |
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saved_reg_value = reg_value; |
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ret = count; |
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} |
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done: |
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kfree(buf); |
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return ret; |
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} |
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|
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/* |
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* Proc regrdwr file read handler. |
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* |
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* This function is called when the 'regrdwr' file is opened for reading |
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* |
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* This function can be used to read from a register. |
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*/ |
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static ssize_t |
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mwifiex_regrdwr_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 addr = get_zeroed_page(GFP_KERNEL); |
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char *buf = (char *) addr; |
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int pos = 0, ret = 0; |
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u32 reg_value; |
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|
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if (!buf) |
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return -ENOMEM; |
|
|
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if (!saved_reg_type) { |
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/* No command has been given */ |
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pos += snprintf(buf, PAGE_SIZE, "0"); |
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goto done; |
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} |
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/* Set command has been given */ |
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if (saved_reg_value != UINT_MAX) { |
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ret = mwifiex_reg_write(priv, saved_reg_type, saved_reg_offset, |
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saved_reg_value); |
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|
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pos += snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", |
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saved_reg_type, saved_reg_offset, |
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saved_reg_value); |
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|
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ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); |
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|
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goto done; |
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} |
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/* Get command has been given */ |
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ret = mwifiex_reg_read(priv, saved_reg_type, |
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saved_reg_offset, ®_value); |
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if (ret) { |
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ret = -EINVAL; |
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goto done; |
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} |
|
|
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pos += snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", saved_reg_type, |
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saved_reg_offset, reg_value); |
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|
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ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); |
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|
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done: |
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free_page(addr); |
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return ret; |
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} |
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|
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/* Proc debug_mask file read handler. |
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* This function is called when the 'debug_mask' file is opened for reading |
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* This function can be used read driver debugging mask value. |
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*/ |
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static ssize_t |
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mwifiex_debug_mask_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 *buf = (char *)page; |
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size_t ret = 0; |
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int pos = 0; |
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|
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if (!buf) |
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return -ENOMEM; |
|
|
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pos += snprintf(buf, PAGE_SIZE, "debug mask=0x%08x\n", |
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priv->adapter->debug_mask); |
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ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); |
|
|
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free_page(page); |
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return ret; |
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} |
|
|
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/* Proc debug_mask file read handler. |
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* This function is called when the 'debug_mask' file is opened for reading |
|
* This function can be used read driver debugging mask value. |
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*/ |
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static ssize_t |
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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); |
|
clear_bit(MWIFIEX_IS_HS_ENABLING, &priv->adapter->work_flags); |
|
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->if_ops.card_reset(adapter); |
|
} |
|
|
|
return count; |
|
} |
|
|
|
#define MWIFIEX_DFS_ADD_FILE(name) do { \ |
|
debugfs_create_file(#name, 0644, priv->dfs_dev_dir, priv, \ |
|
&mwifiex_dfs_##name##_fops); \ |
|
} 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_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(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) |
|
{ |
|
debugfs_remove(mwifiex_dfs_dir); |
|
}
|
|
|