ath9k: Print ANI statistics in debugfs
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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4f4395c692
commit
6e4d291eec
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@ -111,8 +111,6 @@ struct ar5416AniState {
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};
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struct ar5416Stats {
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u32 ast_ani_niup;
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u32 ast_ani_nidown;
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u32 ast_ani_spurup;
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u32 ast_ani_spurdown;
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u32 ast_ani_ofdmon;
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@ -173,25 +173,69 @@ static const struct file_operations fops_rx_chainmask = {
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.llseek = default_llseek,
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};
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static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf,
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static ssize_t read_file_ani(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct ath_softc *sc = file->private_data;
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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char buf[32];
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unsigned int len;
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struct ath_hw *ah = sc->sc_ah;
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unsigned int len = 0, size = 1024;
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ssize_t retval = 0;
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char *buf;
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len = sprintf(buf, "%d\n", common->disable_ani);
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return simple_read_from_buffer(user_buf, count, ppos, buf, len);
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buf = kzalloc(size, GFP_KERNEL);
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if (buf == NULL)
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return -ENOMEM;
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if (common->disable_ani) {
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len += snprintf(buf + len, size - len, "%s: %s\n",
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"ANI", "DISABLED");
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goto exit;
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}
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len += snprintf(buf + len, size - len, "%15s: %s\n",
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"ANI", "ENABLED");
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len += snprintf(buf + len, size - len, "%15s: %u\n",
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"ANI RESET", ah->stats.ast_ani_reset);
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len += snprintf(buf + len, size - len, "%15s: %u\n",
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"SPUR UP", ah->stats.ast_ani_spurup);
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len += snprintf(buf + len, size - len, "%15s: %u\n",
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"SPUR DOWN", ah->stats.ast_ani_spurup);
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len += snprintf(buf + len, size - len, "%15s: %u\n",
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"OFDM WS-DET ON", ah->stats.ast_ani_ofdmon);
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len += snprintf(buf + len, size - len, "%15s: %u\n",
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"OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff);
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len += snprintf(buf + len, size - len, "%15s: %u\n",
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"MRC-CCK ON", ah->stats.ast_ani_ccklow);
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len += snprintf(buf + len, size - len, "%15s: %u\n",
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"MRC-CCK OFF", ah->stats.ast_ani_cckhigh);
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len += snprintf(buf + len, size - len, "%15s: %u\n",
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"FIR-STEP UP", ah->stats.ast_ani_stepup);
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len += snprintf(buf + len, size - len, "%15s: %u\n",
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"FIR-STEP DOWN", ah->stats.ast_ani_stepdown);
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len += snprintf(buf + len, size - len, "%15s: %u\n",
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"INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero);
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len += snprintf(buf + len, size - len, "%15s: %u\n",
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"OFDM ERRORS", ah->stats.ast_ani_ofdmerrs);
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len += snprintf(buf + len, size - len, "%15s: %u\n",
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"CCK ERRORS", ah->stats.ast_ani_cckerrs);
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exit:
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if (len > size)
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len = size;
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retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
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kfree(buf);
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return retval;
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}
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static ssize_t write_file_disable_ani(struct file *file,
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const char __user *user_buf,
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size_t count, loff_t *ppos)
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static ssize_t write_file_ani(struct file *file,
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const char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct ath_softc *sc = file->private_data;
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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unsigned long disable_ani;
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unsigned long ani;
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char buf[32];
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ssize_t len;
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@ -200,12 +244,15 @@ static ssize_t write_file_disable_ani(struct file *file,
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return -EFAULT;
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buf[len] = '\0';
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if (strict_strtoul(buf, 0, &disable_ani))
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if (strict_strtoul(buf, 0, &ani))
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return -EINVAL;
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common->disable_ani = !!disable_ani;
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if (ani < 0 || ani > 1)
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return -EINVAL;
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if (disable_ani) {
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common->disable_ani = !ani;
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if (common->disable_ani) {
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clear_bit(SC_OP_ANI_RUN, &sc->sc_flags);
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ath_stop_ani(sc);
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} else {
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@ -215,9 +262,9 @@ static ssize_t write_file_disable_ani(struct file *file,
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return count;
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}
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static const struct file_operations fops_disable_ani = {
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.read = read_file_disable_ani,
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.write = write_file_disable_ani,
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static const struct file_operations fops_ani = {
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.read = read_file_ani,
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.write = write_file_ani,
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.open = simple_open,
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.owner = THIS_MODULE,
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.llseek = default_llseek,
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@ -1719,8 +1766,8 @@ int ath9k_init_debug(struct ath_hw *ah)
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sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
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debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
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sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
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debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
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sc->debug.debugfs_phy, sc, &fops_disable_ani);
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debugfs_create_file("ani", S_IRUSR | S_IWUSR,
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sc->debug.debugfs_phy, sc, &fops_ani);
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debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
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&sc->sc_ah->config.enable_paprd);
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debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
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