ath10k: implement fw crash simulation command

[cascardo/linux.git] / drivers / net / wireless / ath / ath10k / wmi.c

diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 7d4b798..5e42460 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -27,6 +27,13 @@ void ath10k_wmi_flush_tx(struct ath10k *ar)
 {
        int ret;
 
+       lockdep_assert_held(&ar->conf_mutex);
+
+       if (ar->state == ATH10K_STATE_WEDGED) {
+               ath10k_warn("wmi flush skipped - device is wedged anyway\n");
+               return;
+       }
+
        ret = wait_event_timeout(ar->wmi.wq,
                                 atomic_read(&ar->wmi.pending_tx_count) == 0,
                                 5*HZ);
@@ -111,7 +118,7 @@ static int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb,
 
        trace_ath10k_wmi_cmd(cmd_id, skb->data, skb->len);
 
-       status = ath10k_htc_send(ar->htc, ar->wmi.eid, skb);
+       status = ath10k_htc_send(&ar->htc, ar->wmi.eid, skb);
        if (status) {
                dev_kfree_skb_any(skb);
                atomic_dec(&ar->wmi.pending_tx_count);
@@ -501,8 +508,8 @@ static void ath10k_wmi_update_tim(struct ath10k *ar,
        ie = (u8 *)cfg80211_find_ie(WLAN_EID_TIM, ies,
                                    (u8 *)skb_tail_pointer(bcn) - ies);
        if (!ie) {
-               /* highly unlikely for mac80211 */
-               ath10k_warn("no tim ie found;\n");
+               if (arvif->vdev_type != WMI_VDEV_TYPE_IBSS)
+                       ath10k_warn("no tim ie found;\n");
                return;
        }
 
@@ -1114,7 +1121,7 @@ int ath10k_wmi_connect_htc_service(struct ath10k *ar)
        /* connect to control service */
        conn_req.service_id = ATH10K_HTC_SVC_ID_WMI_CONTROL;
 
-       status = ath10k_htc_connect_service(ar->htc, &conn_req, &conn_resp);
+       status = ath10k_htc_connect_service(&ar->htc, &conn_req, &conn_resp);
        if (status) {
                ath10k_warn("failed to connect to WMI CONTROL service status: %d\n",
                            status);
@@ -1748,6 +1755,9 @@ int ath10k_wmi_vdev_install_key(struct ath10k *ar,
        if (arg->key_data)
                memcpy(cmd->key_data, arg->key_data, arg->key_len);
 
+       ath10k_dbg(ATH10K_DBG_WMI,
+                  "wmi vdev install key idx %d cipher %d len %d\n",
+                  arg->key_idx, arg->key_cipher, arg->key_len);
        return ath10k_wmi_cmd_send(ar, skb, WMI_VDEV_INSTALL_KEY_CMDID);
 }
 
@@ -2011,6 +2021,9 @@ int ath10k_wmi_peer_assoc(struct ath10k *ar,
        cmd->peer_vht_rates.tx_mcs_set =
                __cpu_to_le32(arg->peer_vht_rates.tx_mcs_set);
 
+       ath10k_dbg(ATH10K_DBG_WMI,
+                  "wmi peer assoc vdev %d addr %pM\n",
+                  arg->vdev_id, arg->addr);
        return ath10k_wmi_cmd_send(ar, skb, WMI_PEER_ASSOC_CMDID);
 }
 
@@ -2079,3 +2092,22 @@ int ath10k_wmi_request_stats(struct ath10k *ar, enum wmi_stats_id stats_id)
        ath10k_dbg(ATH10K_DBG_WMI, "wmi request stats %d\n", (int)stats_id);
        return ath10k_wmi_cmd_send(ar, skb, WMI_REQUEST_STATS_CMDID);
 }
+
+int ath10k_wmi_force_fw_hang(struct ath10k *ar,
+                            enum wmi_force_fw_hang_type type, u32 delay_ms)
+{
+       struct wmi_force_fw_hang_cmd *cmd;
+       struct sk_buff *skb;
+
+       skb = ath10k_wmi_alloc_skb(sizeof(*cmd));
+       if (!skb)
+               return -ENOMEM;
+
+       cmd = (struct wmi_force_fw_hang_cmd *)skb->data;
+       cmd->type = __cpu_to_le32(type);
+       cmd->delay_ms = __cpu_to_le32(delay_ms);
+
+       ath10k_dbg(ATH10K_DBG_WMI, "wmi force fw hang %d delay %d\n",
+                  type, delay_ms);
+       return ath10k_wmi_cmd_send(ar, skb, WMI_FORCE_FW_HANG_CMDID);
+}