asgardius/android_kernel_motorola_sm6225
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

wl12xx: add vifs_state debugfs key

Browse source 
Add debugfs key to dump information regarding the
active vifs (similar to the driver_state debugfs key)

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Eliad Peller 2011-10-31 12:24:49 +02:00 committed by Luciano Coelho
parent a693534b1a
commit fa5e13756a
1 changed files with 110 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

110
drivers/net/wireless/wl12xx/debugfs.c
View file

@ -385,6 +385,115 @@ static const struct file_operations driver_state_ops = {
.llseek = default_llseek,
};
static ssize_t vifs_state_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct wl1271 *wl = file->private_data;
struct wl12xx_vif *wlvif;
int ret, res = 0;
const int buf_size = 4096;
char *buf;
char tmp_buf[64];
buf = kzalloc(buf_size, GFP_KERNEL);
if (!buf)
return -ENOMEM;
mutex_lock(&wl->mutex);
#define VIF_STATE_PRINT(x, fmt) \
(res += scnprintf(buf + res, buf_size - res, \
#x " = " fmt "\n", wlvif->x))
#define VIF_STATE_PRINT_LONG(x) VIF_STATE_PRINT(x, "%ld")
#define VIF_STATE_PRINT_INT(x) VIF_STATE_PRINT(x, "%d")
#define VIF_STATE_PRINT_STR(x) VIF_STATE_PRINT(x, "%s")
#define VIF_STATE_PRINT_LHEX(x) VIF_STATE_PRINT(x, "0x%lx")
#define VIF_STATE_PRINT_LLHEX(x) VIF_STATE_PRINT(x, "0x%llx")
#define VIF_STATE_PRINT_HEX(x) VIF_STATE_PRINT(x, "0x%x")
#define VIF_STATE_PRINT_NSTR(x, len) \
do { \
memset(tmp_buf, 0, sizeof(tmp_buf)); \
memcpy(tmp_buf, wlvif->x, \
min_t(u8, len, sizeof(tmp_buf) - 1)); \
res += scnprintf(buf + res, buf_size - res, \
#x " = %s\n", tmp_buf); \
} while (0)
wl12xx_for_each_wlvif(wl, wlvif) {
VIF_STATE_PRINT_INT(role_id);
VIF_STATE_PRINT_INT(bss_type);
VIF_STATE_PRINT_LHEX(flags);
VIF_STATE_PRINT_INT(p2p);
VIF_STATE_PRINT_INT(dev_role_id);
VIF_STATE_PRINT_INT(dev_hlid);
if (wlvif->bss_type == BSS_TYPE_STA_BSS ||
wlvif->bss_type == BSS_TYPE_IBSS) {
VIF_STATE_PRINT_INT(sta.hlid);
VIF_STATE_PRINT_INT(sta.ba_rx_bitmap);
VIF_STATE_PRINT_INT(sta.basic_rate_idx);
VIF_STATE_PRINT_INT(sta.ap_rate_idx);
VIF_STATE_PRINT_INT(sta.p2p_rate_idx);
} else {
VIF_STATE_PRINT_INT(ap.global_hlid);
VIF_STATE_PRINT_INT(ap.bcast_hlid);
VIF_STATE_PRINT_LHEX(ap.sta_hlid_map[0]);
VIF_STATE_PRINT_INT(ap.mgmt_rate_idx);
VIF_STATE_PRINT_INT(ap.bcast_rate_idx);
VIF_STATE_PRINT_INT(ap.ucast_rate_idx[0]);
VIF_STATE_PRINT_INT(ap.ucast_rate_idx[1]);
VIF_STATE_PRINT_INT(ap.ucast_rate_idx[2]);
VIF_STATE_PRINT_INT(ap.ucast_rate_idx[3]);
}
VIF_STATE_PRINT_INT(last_tx_hlid);
VIF_STATE_PRINT_LHEX(links_map[0]);
VIF_STATE_PRINT_NSTR(ssid, wlvif->ssid_len);
VIF_STATE_PRINT_INT(band);
VIF_STATE_PRINT_INT(channel);
VIF_STATE_PRINT_HEX(bitrate_masks[0]);
VIF_STATE_PRINT_HEX(bitrate_masks[1]);
VIF_STATE_PRINT_HEX(basic_rate_set);
VIF_STATE_PRINT_HEX(basic_rate);
VIF_STATE_PRINT_HEX(rate_set);
VIF_STATE_PRINT_INT(beacon_int);
VIF_STATE_PRINT_INT(default_key);
VIF_STATE_PRINT_INT(aid);
VIF_STATE_PRINT_INT(session_counter);
VIF_STATE_PRINT_INT(ps_poll_failures);
VIF_STATE_PRINT_INT(psm_entry_retry);
VIF_STATE_PRINT_INT(power_level);
VIF_STATE_PRINT_INT(rssi_thold);
VIF_STATE_PRINT_INT(last_rssi_event);
VIF_STATE_PRINT_INT(ba_support);
VIF_STATE_PRINT_INT(ba_allowed);
VIF_STATE_PRINT_LLHEX(tx_security_seq);
VIF_STATE_PRINT_INT(tx_security_last_seq_lsb);
}
#undef VIF_STATE_PRINT_INT
#undef VIF_STATE_PRINT_LONG
#undef VIF_STATE_PRINT_HEX
#undef VIF_STATE_PRINT_LHEX
#undef VIF_STATE_PRINT_LLHEX
#undef VIF_STATE_PRINT_STR
#undef VIF_STATE_PRINT_NSTR
#undef VIF_STATE_PRINT
mutex_unlock(&wl->mutex);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
kfree(buf);
return ret;
}
static const struct file_operations vifs_state_ops = {
.read = vifs_state_read,
.open = wl1271_open_file_generic,
.llseek = default_llseek,
};
static ssize_t dtim_interval_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
@ -765,6 +874,7 @@ static int wl1271_debugfs_add_files(struct wl1271 *wl,
DEBUGFS_ADD(gpio_power, rootdir);
DEBUGFS_ADD(start_recovery, rootdir);
DEBUGFS_ADD(driver_state, rootdir);
DEBUGFS_ADD(vifs_state, rootdir);
DEBUGFS_ADD(dtim_interval, rootdir);
DEBUGFS_ADD(beacon_interval, rootdir);
DEBUGFS_ADD(beacon_filtering, rootdir);