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ath9k: Print ANI statistics in debugfs

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Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2013-06-03 09:19:28 +05:30 committed by John W. Linville
parent 4f4395c692
commit 6e4d291eec
2 changed files with 64 additions and 19 deletions
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2
drivers/net/wireless/ath/ath9k/ani.h
View file

@ -111,8 +111,6 @@ struct ar5416AniState {
};
struct ar5416Stats {
u32 ast_ani_niup;
u32 ast_ani_nidown;
u32 ast_ani_spurup;
u32 ast_ani_spurdown;
u32 ast_ani_ofdmon;

81
drivers/net/wireless/ath/ath9k/debug.c
View file

@ -173,25 +173,69 @@ static const struct file_operations fops_rx_chainmask = {
.llseek = default_llseek,
};
static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf,
static ssize_t read_file_ani(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
char buf[32];
unsigned int len;
struct ath_hw *ah = sc->sc_ah;
unsigned int len = 0, size = 1024;
ssize_t retval = 0;
char *buf;
len = sprintf(buf, "%d\n", common->disable_ani);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
buf = kzalloc(size, GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
if (common->disable_ani) {
len += snprintf(buf + len, size - len, "%s: %s\n",
"ANI", "DISABLED");
goto exit;
}
len += snprintf(buf + len, size - len, "%15s: %s\n",
"ANI", "ENABLED");
len += snprintf(buf + len, size - len, "%15s: %u\n",
"ANI RESET", ah->stats.ast_ani_reset);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"SPUR UP", ah->stats.ast_ani_spurup);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"SPUR DOWN", ah->stats.ast_ani_spurup);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"OFDM WS-DET ON", ah->stats.ast_ani_ofdmon);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"MRC-CCK ON", ah->stats.ast_ani_ccklow);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"MRC-CCK OFF", ah->stats.ast_ani_cckhigh);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"FIR-STEP UP", ah->stats.ast_ani_stepup);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"FIR-STEP DOWN", ah->stats.ast_ani_stepdown);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"OFDM ERRORS", ah->stats.ast_ani_ofdmerrs);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"CCK ERRORS", ah->stats.ast_ani_cckerrs);
exit:
if (len > size)
len = size;
retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
return retval;
}
static ssize_t write_file_disable_ani(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
static ssize_t write_file_ani(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
unsigned long disable_ani;
unsigned long ani;
char buf[32];
ssize_t len;
@ -200,12 +244,15 @@ static ssize_t write_file_disable_ani(struct file *file,
return -EFAULT;
buf[len] = '\0';
if (strict_strtoul(buf, 0, &disable_ani))
if (strict_strtoul(buf, 0, &ani))
return -EINVAL;
common->disable_ani = !!disable_ani;
if (ani < 0 || ani > 1)
return -EINVAL;
if (disable_ani) {
common->disable_ani = !ani;
if (common->disable_ani) {
clear_bit(SC_OP_ANI_RUN, &sc->sc_flags);
ath_stop_ani(sc);
} else {
@ -215,9 +262,9 @@ static ssize_t write_file_disable_ani(struct file *file,
return count;
}
static const struct file_operations fops_disable_ani = {
.read = read_file_disable_ani,
.write = write_file_disable_ani,
static const struct file_operations fops_ani = {
.read = read_file_ani,
.write = write_file_ani,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
@ -1719,8 +1766,8 @@ int ath9k_init_debug(struct ath_hw *ah)
sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
sc->debug.debugfs_phy, sc, &fops_disable_ani);
debugfs_create_file("ani", S_IRUSR | S_IWUSR,
sc->debug.debugfs_phy, sc, &fops_ani);
debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
&sc->sc_ah->config.enable_paprd);
debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,