On Thu, Jan 16, 2014 at 1:33 PM, Kalle Valo <kvalo@xxxxxxxxxxxxxxxx> wrote:
> Firmware has a feature to track if the associated STA is not acking the frames.
> When that happens, the firmware sends WMI_PEER_STA_KICKOUT_EVENTID event to the
> host. Enable that to faster detect when a STA has left BSS without sending a
> deauth frame.
>
> Also set huge keepalive timeouts to avoid using the keepalive functionality in
> the firmware.
>
> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxxxx>
> ---
> drivers/net/wireless/ath/ath10k/core.h | 12 +++++++
> drivers/net/wireless/ath/ath10k/mac.c | 55 ++++++++++++++++++++++++++++----
> drivers/net/wireless/ath/ath10k/wmi.c | 22 ++++++++++++-
> drivers/net/wireless/ath/ath10k/wmi.h | 4 ++
> 4 files changed, 85 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
> index ade1781..e6308f4 100644
> --- a/drivers/net/wireless/ath/ath10k/core.h
> +++ b/drivers/net/wireless/ath/ath10k/core.h
> @@ -46,6 +46,18 @@
>
> #define ATH10K_MAX_NUM_MGMT_PENDING 128
>
> +/* number of failed packets */
> +#define ATH10K_KICKOUT_THRESHOLD 50
> +
> +/*
> + * Use insanely high numbers to make sure that the firmware implementation
> + * won't start, we have the same functionality already in hostapd. Unit
> + * is seconds.
> + */
> +#define ATH10K_KEEPALIVE_MIN_IDLE 3747
> +#define ATH10K_KEEPALIVE_MAX_IDLE 3895
> +#define ATH10K_KEEPALIVE_MAX_UNRESPONSIVE 3900
> +
> struct ath10k;
>
> struct ath10k_skb_cb {
> diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
> index 7aa6c4d..f5f7c6a 100644
> --- a/drivers/net/wireless/ath/ath10k/mac.c
> +++ b/drivers/net/wireless/ath/ath10k/mac.c
> @@ -339,6 +339,47 @@ static int ath10k_peer_create(struct ath10k *ar, u32 vdev_id, const u8 *addr)
> return 0;
> }
>
> +static int ath10k_mac_set_kickout(struct ath10k_vif *arvif)
> +{
> + struct ath10k *ar = arvif->ar;
> + u32 param;
> + int ret;
> +
> + param = ar->wmi.pdev_param->sta_kickout_th;
> + ret = ath10k_wmi_pdev_set_param(ar, param,
> + ATH10K_KICKOUT_THRESHOLD);
> + if (ret) {
> + ath10k_warn("Failed to enable sta kickout: %d\n", ret);
> + return ret;
> + }
> +
> + param = ar->wmi.vdev_param->ap_keepalive_min_idle_inactive_time_secs;
> + ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
> + ATH10K_KEEPALIVE_MIN_IDLE);
> + if (ret) {
> + ath10k_warn("Failed to enable sta kickout: %d\n", ret);
> + return ret;
> + }
> +
> + param = ar->wmi.vdev_param->ap_keepalive_max_idle_inactive_time_secs;
> + ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
> + ATH10K_KEEPALIVE_MAX_IDLE);
> + if (ret) {
> + ath10k_warn("Failed to enable sta kickout: %d\n", ret);
> + return ret;
> + }
> +
> + param = ar->wmi.vdev_param->ap_keepalive_max_unresponsive_time_secs;
> + ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
> + ATH10K_KEEPALIVE_MAX_UNRESPONSIVE);
> + if (ret) {
> + ath10k_warn("Failed to enable sta kickout: %d\n", ret);
> + return ret;
> + }
Did you intend to have differing warnings here? Currently it will be
hard to tell which of these calls have failed based on the warning
(assuming ath10k_warn does not print the source code line it was
invoked from).
Jonas
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