On Fri, Mar 20, 2015 at 10:28:06AM +0100, Jose Antonio Delgado Alfonso wrote:
> Hi Ashok,
>
> Just a quick question, is it supported by all firmware versions?
>
Yes Jose. It is supported by all firmware versions.
Thanks,
Ashok
> Thanks,
> Jose A. Delgado
>
> On 19/03/15 12:08, Ashok Raj Nagarajan wrote:
> > Now that ANI is enabled by default, allow user to disable or enable ANI feature
> > from debugfs
> >
> > echo 0|1 > /sys/kernel/debug/ieee80211/phyX/ath10k/ani_enable
> >
> > Signed-off-by: Ashok Raj Nagarajan <arnagara@xxxxxxxxxxxxxxxx>
> > ---
> > v2:
> > Updated commit log
> > Lock ar->ani_enabled (Kalle Valo)
> > remove reduntant debug message (Kalle Valo)
> >
> > drivers/net/wireless/ath/ath10k/core.h | 2 ++
> > drivers/net/wireless/ath/ath10k/debug.c | 58 +++++++++++++++++++++++++++++++++
> > drivers/net/wireless/ath/ath10k/mac.c | 2 ++
> > 3 files changed, 62 insertions(+)
> >
> > diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
> > index 7cba781..29e0a8b 100644
> > --- a/drivers/net/wireless/ath/ath10k/core.h
> > +++ b/drivers/net/wireless/ath/ath10k/core.h
> > @@ -510,6 +510,8 @@ struct ath10k {
> > u32 ht_cap_info;
> > u32 vht_cap_info;
> > u32 num_rf_chains;
> > + /* protected by conf_mutex */
> > + bool ani_enabled;
> >
> > DECLARE_BITMAP(fw_features, ATH10K_FW_FEATURE_COUNT);
> >
> > diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
> > index 301081d..481e1cc 100644
> > --- a/drivers/net/wireless/ath/ath10k/debug.c
> > +++ b/drivers/net/wireless/ath/ath10k/debug.c
> > @@ -1708,6 +1708,61 @@ static int ath10k_debug_cal_data_release(struct inode *inode,
> > return 0;
> > }
> >
> > +static ssize_t ath10k_write_ani_enable(struct file *file,
> > + const char __user *user_buf,
> > + size_t count, loff_t *ppos)
> > +{
> > + struct ath10k *ar = file->private_data;
> > + int ret;
> > + u8 enable;
> > +
> > + if (kstrtou8_from_user(user_buf, count, 0, &enable))
> > + return -EINVAL;
> > +
> > + mutex_lock(&ar->conf_mutex);
> > +
> > + if (ar->ani_enabled == enable) {
> > + ret = count;
> > + goto exit;
> > + }
> > +
> > + ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->ani_enable,
> > + enable);
> > + if (ret) {
> > + ath10k_warn(ar, "ani_enable failed from debugfs: %d\n", ret);
> > + goto exit;
> > + }
> > + ar->ani_enabled = enable;
> > +
> > + ret = count;
> > +
> > +exit:
> > + mutex_unlock(&ar->conf_mutex);
> > +
> > + return ret;
> > +}
> > +
> > +static ssize_t ath10k_read_ani_enable(struct file *file, char __user *user_buf,
> > + size_t count, loff_t *ppos)
> > +{
> > + struct ath10k *ar = file->private_data;
> > + int len = 0;
> > + char buf[32];
> > +
> > + len = scnprintf(buf, sizeof(buf) - len, "%d\n",
> > + ar->ani_enabled);
> > +
> > + return simple_read_from_buffer(user_buf, count, ppos, buf, len);
> > +}
> > +
> > +static const struct file_operations fops_ani_enable = {
> > + .read = ath10k_read_ani_enable,
> > + .write = ath10k_write_ani_enable,
> > + .open = simple_open,
> > + .owner = THIS_MODULE,
> > + .llseek = default_llseek,
> > +};
> > +
> > static const struct file_operations fops_cal_data = {
> > .open = ath10k_debug_cal_data_open,
> > .read = ath10k_debug_cal_data_read,
> > @@ -2068,6 +2123,9 @@ int ath10k_debug_register(struct ath10k *ar)
> > debugfs_create_file("cal_data", S_IRUSR, ar->debug.debugfs_phy,
> > ar, &fops_cal_data);
> >
> > + debugfs_create_file("ani_enable", S_IRUSR | S_IWUSR,
> > + ar->debug.debugfs_phy, ar, &fops_ani_enable);
> > +
> > debugfs_create_file("nf_cal_period", S_IRUSR | S_IWUSR,
> > ar->debug.debugfs_phy, ar, &fops_nf_cal_period);
> >
> > diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
> > index 380d4b1..366c96f 100644
> > --- a/drivers/net/wireless/ath/ath10k/mac.c
> > +++ b/drivers/net/wireless/ath/ath10k/mac.c
> > @@ -2904,6 +2904,8 @@ static int ath10k_start(struct ieee80211_hw *hw)
> > goto err_core_stop;
> > }
> >
> > + ar->ani_enabled = true;
> > +
> > ar->num_started_vdevs = 0;
> > ath10k_regd_update(ar);
> >
>
>
> --
>
> ------------------------------------------------------------------------
> Jose Antonio Delgado Alfonso
> Chief Technology Officer
>
> Calle Itálica 1, 1ª Planta
> 41900 Camas (Sevilla)
>
> Email: jose.delgado@xxxxxxxxxx <mailto:jose.delgado@xxxxxxxxxx>
> Tel: (+34) 955 228 533
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>
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