Commit 937a5045 authored by Xinming Hu's avatar Xinming Hu Committed by John W. Linville

mwifiex: add hscfg to debugfs

Some SDIO controllers do not support MMC_PM_KEEP_POWER properly.
To test host sleep feature without putting the system into sleep
we need to simulate host sleep configuration & handshake between
driver and firmware using customized parameters.
This patch adds hscfg debugfs item, with which user could change
host sleep parameters for debugging.
Signed-off-by: default avatarXinming Hu <huxm@marvell.com>
Signed-off-by: default avatarBing Zhao <bzhao@marvell.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 54881c6b
......@@ -194,6 +194,36 @@ rdeeprom
Example:
echo "0 20" > rdeeprom : Read 20 bytes of EEPROM data from offset 0
hscfg
This command is used to debug/simulate host sleep feature using
different configuration parameters.
Usage:
echo "<condition> [GPIO# [gap]]]" > hscfg
cat hscfg
where the parameters are,
<condition>: bit 0 = 1 -- broadcast data
bit 1 = 1 -- unicast data
bit 2 = 1 -- mac event
bit 3 = 1 -- multicast data
[GPIO#]: pin number of GPIO used to wakeup the host.
GPIO pin# (e.g. 0-7) or 0xff (interface, e.g. SDIO
will be used instead).
[gap]: the gap in milliseconds between wakeup signal and
wakeup event or 0xff for special setting (host
acknowledge required) when GPIO is used to wakeup host.
Examples:
echo "-1" > hscfg : Cancel host sleep mode
echo "3" > hscfg : Broadcast and unicast data;
Use GPIO and gap set previously
echo "2 3" > hscfg : Unicast data and GPIO 3;
Use gap set previously
echo "2 1 160" > hscfg : Unicast data, GPIO 1 and gap 160 ms
echo "2 1 0xff" > hscfg : Unicast data, GPIO 1; Wait for host
to ack before sending wakeup event
getlog
This command is used to get the statistics available in the station.
Usage:
......
......@@ -692,6 +692,97 @@ mwifiex_rdeeprom_read(struct file *file, char __user *ubuf,
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;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
size_t buf_size = min_t(size_t, count, PAGE_SIZE - 1);
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;
if (!buf)
return -ENOMEM;
if (copy_from_user(buf, ubuf, buf_size)) {
ret = -EFAULT;
goto done;
}
arg_num = sscanf(buf, "%d %x %x", &conditions, &gpio, &gap);
memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg));
if (arg_num > 3) {
dev_err(priv->adapter->dev, "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:
free_page(addr);
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;
}
#define MWIFIEX_DFS_ADD_FILE(name) do { \
if (!debugfs_create_file(#name, 0644, priv->dfs_dev_dir, \
......@@ -725,6 +816,7 @@ MWIFIEX_DFS_FILE_READ_OPS(getlog);
MWIFIEX_DFS_FILE_READ_OPS(fw_dump);
MWIFIEX_DFS_FILE_OPS(regrdwr);
MWIFIEX_DFS_FILE_OPS(rdeeprom);
MWIFIEX_DFS_FILE_OPS(hscfg);
/*
* This function creates the debug FS directory structure and the files.
......@@ -747,6 +839,7 @@ mwifiex_dev_debugfs_init(struct mwifiex_private *priv)
MWIFIEX_DFS_ADD_FILE(regrdwr);
MWIFIEX_DFS_ADD_FILE(rdeeprom);
MWIFIEX_DFS_ADD_FILE(fw_dump);
MWIFIEX_DFS_ADD_FILE(hscfg);
}
/*
......
......@@ -920,6 +920,8 @@ int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv,
void mwifiex_process_hs_config(struct mwifiex_adapter *adapter);
void mwifiex_hs_activated_event(struct mwifiex_private *priv,
u8 activated);
int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action,
int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg);
int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv,
struct host_cmd_ds_command *resp);
int mwifiex_process_rx_packet(struct mwifiex_private *priv,
......
......@@ -389,8 +389,8 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
* This function prepares the correct firmware command and
* issues it.
*/
static int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action,
int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg)
int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action,
int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg)
{
struct mwifiex_adapter *adapter = priv->adapter;
......
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