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ath10k: implement wmi roam event

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This can be used to implement offloaded rssi
threshold, beacon miss or even automatic
in-firmware BSS roaming in the future.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Michal Kazior
2015-03-10 16:21:54 +02:00
committed by Kalle Valo
parent 7cc4573e85
commit c1a4654a8c
5 changed files with 126 additions and 1 deletions
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55
drivers/net/wireless/ath/ath10k/wmi.c
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@@ -2789,7 +2789,41 @@ void ath10k_wmi_event_phyerr(struct ath10k *ar, struct sk_buff *skb)
void ath10k_wmi_event_roam(struct ath10k *ar, struct sk_buff *skb)
{
ath10k_dbg(ar, ATH10K_DBG_WMI, "WMI_ROAM_EVENTID\n");
struct wmi_roam_ev_arg arg = {};
int ret;
u32 vdev_id;
u32 reason;
s32 rssi;
ret = ath10k_wmi_pull_roam_ev(ar, skb, &arg);
if (ret) {
ath10k_warn(ar, "failed to parse roam event: %d\n", ret);
return;
}
vdev_id = __le32_to_cpu(arg.vdev_id);
reason = __le32_to_cpu(arg.reason);
rssi = __le32_to_cpu(arg.rssi);
rssi += WMI_SPECTRAL_NOISE_FLOOR_REF_DEFAULT;
ath10k_dbg(ar, ATH10K_DBG_WMI,
"wmi roam event vdev %u reason 0x%08x rssi %d\n",
vdev_id, reason, rssi);
if (reason >= WMI_ROAM_REASON_MAX)
ath10k_warn(ar, "ignoring unknown roam event reason %d on vdev %i\n",
reason, vdev_id);
switch (reason) {
case WMI_ROAM_REASON_BETTER_AP:
case WMI_ROAM_REASON_BEACON_MISS:
case WMI_ROAM_REASON_LOW_RSSI:
case WMI_ROAM_REASON_SUITABLE_AP_FOUND:
case WMI_ROAM_REASON_HO_FAILED:
ath10k_warn(ar, "ignoring not implemented roam event reason %d on vdev %i\n",
reason, vdev_id);
break;
}
}
void ath10k_wmi_event_profile_match(struct ath10k *ar, struct sk_buff *skb)
@@ -3148,6 +3182,21 @@ static int ath10k_wmi_op_pull_rdy_ev(struct ath10k *ar, struct sk_buff *skb,
return 0;
}
static int ath10k_wmi_op_pull_roam_ev(struct ath10k *ar, struct sk_buff *skb,
struct wmi_roam_ev_arg *arg)
{
struct wmi_roam_ev *ev = (void *)skb->data;
if (skb->len < sizeof(*ev))
return -EPROTO;
skb_pull(skb, sizeof(*ev));
arg->vdev_id = ev->vdev_id;
arg->reason = ev->reason;
return 0;
}
int ath10k_wmi_event_ready(struct ath10k *ar, struct sk_buff *skb)
{
struct wmi_rdy_ev_arg arg = {};
@@ -5140,6 +5189,7 @@ static const struct wmi_ops wmi_ops = {
.pull_svc_rdy = ath10k_wmi_main_op_pull_svc_rdy_ev,
.pull_rdy = ath10k_wmi_op_pull_rdy_ev,
.pull_fw_stats = ath10k_wmi_main_op_pull_fw_stats,
.pull_roam_ev = ath10k_wmi_op_pull_roam_ev,
.gen_pdev_suspend = ath10k_wmi_op_gen_pdev_suspend,
.gen_pdev_resume = ath10k_wmi_op_gen_pdev_resume,
@@ -5207,6 +5257,7 @@ static const struct wmi_ops wmi_10_1_ops = {
.pull_swba = ath10k_wmi_op_pull_swba_ev,
.pull_phyerr = ath10k_wmi_op_pull_phyerr_ev,
.pull_rdy = ath10k_wmi_op_pull_rdy_ev,
.pull_roam_ev = ath10k_wmi_op_pull_roam_ev,
.gen_pdev_suspend = ath10k_wmi_op_gen_pdev_suspend,
.gen_pdev_resume = ath10k_wmi_op_gen_pdev_resume,
@@ -5270,6 +5321,7 @@ static const struct wmi_ops wmi_10_2_ops = {
.pull_swba = ath10k_wmi_op_pull_swba_ev,
.pull_phyerr = ath10k_wmi_op_pull_phyerr_ev,
.pull_rdy = ath10k_wmi_op_pull_rdy_ev,
.pull_roam_ev = ath10k_wmi_op_pull_roam_ev,
.gen_pdev_suspend = ath10k_wmi_op_gen_pdev_suspend,
.gen_pdev_resume = ath10k_wmi_op_gen_pdev_resume,
@@ -5330,6 +5382,7 @@ static const struct wmi_ops wmi_10_2_4_ops = {
.pull_swba = ath10k_wmi_op_pull_swba_ev,
.pull_phyerr = ath10k_wmi_op_pull_phyerr_ev,
.pull_rdy = ath10k_wmi_op_pull_rdy_ev,
.pull_roam_ev = ath10k_wmi_op_pull_roam_ev,
.gen_pdev_suspend = ath10k_wmi_op_gen_pdev_suspend,
.gen_pdev_resume = ath10k_wmi_op_gen_pdev_resume,