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path: root/drivers/net/wireless/ath/wil6210/wmi.c
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Diffstat (limited to 'drivers/net/wireless/ath/wil6210/wmi.c')
-rw-r--r--drivers/net/wireless/ath/wil6210/wmi.c40
1 files changed, 32 insertions, 8 deletions
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
index b1aaaee997d5..bd781c7adf2a 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -157,6 +157,7 @@ int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr,
struct wil6210_mbox_hdr *hdr)
{
void __iomem *src = wmi_buffer(wil, ptr);
+
if (!src)
return -EINVAL;
@@ -278,6 +279,7 @@ static void wmi_evt_ready(struct wil6210_priv *wil, int id, void *d, int len)
struct net_device *ndev = wil_to_ndev(wil);
struct wireless_dev *wdev = wil->wdev;
struct wmi_ready_event *evt = d;
+
wil->fw_version = le32_to_cpu(evt->sw_version);
wil->n_mids = evt->numof_additional_mids;
@@ -298,7 +300,7 @@ static void wmi_evt_fw_ready(struct wil6210_priv *wil, int id, void *d,
wil_dbg_wmi(wil, "WMI: got FW ready event\n");
set_bit(wil_status_fwready, &wil->status);
- /* reuse wmi_ready for the firmware ready indication */
+ /* let the reset sequence continue */
complete(&wil->wmi_ready);
}
@@ -595,27 +597,40 @@ static void wmi_evt_ba_status(struct wil6210_priv *wil, int id, void *d,
return;
}
+ mutex_lock(&wil->mutex);
+
cid = wil->vring2cid_tid[evt->ringid][0];
if (cid >= WIL6210_MAX_CID) {
wil_err(wil, "invalid CID %d for vring %d\n", cid, evt->ringid);
- return;
+ goto out;
}
sta = &wil->sta[cid];
if (sta->status == wil_sta_unused) {
wil_err(wil, "CID %d unused\n", cid);
- return;
+ goto out;
}
wil_dbg_wmi(wil, "BACK for CID %d %pM\n", cid, sta->addr);
for (i = 0; i < WIL_STA_TID_NUM; i++) {
- struct wil_tid_ampdu_rx *r = sta->tid_rx[i];
+ struct wil_tid_ampdu_rx *r;
+ unsigned long flags;
+
+ spin_lock_irqsave(&sta->tid_rx_lock, flags);
+
+ r = sta->tid_rx[i];
sta->tid_rx[i] = NULL;
wil_tid_ampdu_rx_free(wil, r);
+
+ spin_unlock_irqrestore(&sta->tid_rx_lock, flags);
+
if ((evt->status == WMI_BA_AGREED) && evt->agg_wsize)
sta->tid_rx[i] = wil_tid_ampdu_rx_alloc(wil,
evt->agg_wsize, 0);
}
+
+out:
+ mutex_unlock(&wil->mutex);
}
static const struct {
@@ -653,7 +668,7 @@ void wmi_recv_cmd(struct wil6210_priv *wil)
unsigned n;
if (!test_bit(wil_status_reset_done, &wil->status)) {
- wil_err(wil, "Reset not completed\n");
+ wil_err(wil, "Reset in progress. Cannot handle WMI event\n");
return;
}
@@ -708,6 +723,7 @@ void wmi_recv_cmd(struct wil6210_priv *wil)
struct wil6210_mbox_hdr_wmi *wmi = &evt->event.wmi;
u16 id = le16_to_cpu(wmi->id);
u32 tstamp = le32_to_cpu(wmi->timestamp);
+
wil_dbg_wmi(wil, "WMI event 0x%04x MID %d @%d msec\n",
id, wmi->mid, tstamp);
trace_wil6210_wmi_event(wmi, &wmi[1],
@@ -748,8 +764,8 @@ int wmi_call(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len,
wil->reply_id = reply_id;
wil->reply_buf = reply;
wil->reply_size = reply_size;
- remain = wait_for_completion_timeout(&wil->wmi_ready,
- msecs_to_jiffies(to_msec));
+ remain = wait_for_completion_timeout(&wil->wmi_call,
+ msecs_to_jiffies(to_msec));
if (0 == remain) {
wil_err(wil, "wmi_call(0x%04x->0x%04x) timeout %d msec\n",
cmdid, reply_id, to_msec);
@@ -953,8 +969,11 @@ int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie)
int rc;
u16 len = sizeof(struct wmi_set_appie_cmd) + ie_len;
struct wmi_set_appie_cmd *cmd = kzalloc(len, GFP_KERNEL);
+
if (!cmd)
return -ENOMEM;
+ if (!ie)
+ ie_len = 0;
cmd->mgmt_frm_type = type;
/* BUG: FW API define ieLen as u8. Will fix FW */
@@ -1128,6 +1147,9 @@ static void wmi_event_handle(struct wil6210_priv *wil,
struct wil6210_mbox_hdr_wmi *wmi = (void *)(&hdr[1]);
void *evt_data = (void *)(&wmi[1]);
u16 id = le16_to_cpu(wmi->id);
+
+ wil_dbg_wmi(wil, "Handle WMI 0x%04x (reply_id 0x%04x)\n",
+ id, wil->reply_id);
/* check if someone waits for this event */
if (wil->reply_id && wil->reply_id == id) {
if (wil->reply_buf) {
@@ -1138,7 +1160,7 @@ static void wmi_event_handle(struct wil6210_priv *wil,
len - sizeof(*wmi));
}
wil_dbg_wmi(wil, "Complete WMI 0x%04x\n", id);
- complete(&wil->wmi_ready);
+ complete(&wil->wmi_call);
return;
}
/* unsolicited event */
@@ -1184,9 +1206,11 @@ void wmi_event_worker(struct work_struct *work)
struct pending_wmi_event *evt;
struct list_head *lh;
+ wil_dbg_wmi(wil, "Start %s\n", __func__);
while ((lh = next_wmi_ev(wil)) != NULL) {
evt = list_entry(lh, struct pending_wmi_event, list);
wmi_event_handle(wil, &evt->event.hdr);
kfree(evt);
}
+ wil_dbg_wmi(wil, "Finished %s\n", __func__);
}