ath6kl: Add support to detect fw error through heart beat

[firefly-linux-kernel-4.4.55.git] / drivers / net / wireless / ath / ath6kl / core.h

diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h
index c7dcdadd8b830cd3fe926a4b52e9bfd0a954d001..b2cbecf6cfe5bf8afeb0dd51fd48f2b86ccf810f 100644 (file)
--- a/drivers/net/wireless/ath/ath6kl/core.h
+++ b/drivers/net/wireless/ath/ath6kl/core.h
@@ -130,6 +130,12 @@ enum ath6kl_fw_capability {
        /* Firmware supports sched scan decoupled from host sleep */
        ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2,
 
+       /*
+        * Firmware capability for hang detection through heart beat
+        * challenge messages.
+        */
+       ATH6KL_FW_CAPABILITY_HEART_BEAT_POLL,
+
        /* this needs to be last */
        ATH6KL_FW_CAPABILITY_MAX,
 };
@@ -649,8 +655,11 @@ enum ath6kl_state {
 };
 
 /* Fw error recovery */
+#define ATH6KL_HB_RESP_MISS_THRES      5
+
 enum ath6kl_fw_err {
        ATH6KL_FW_ASSERT,
+       ATH6KL_FW_HB_RESP_FAILURE,
 };
 
 struct ath6kl {
@@ -800,6 +809,11 @@ struct ath6kl {
                bool enable;
                struct work_struct recovery_work;
                unsigned long err_reason;
+               unsigned long hb_poll;
+               struct timer_list hb_timer;
+               u32 seq_num;
+               bool hb_pending;
+               u8 hb_misscnt;
        } fw_recovery;
 
 #ifdef CONFIG_ATH6KL_DEBUG
@@ -940,7 +954,9 @@ void ath6kl_core_destroy(struct ath6kl *ar);
 /* Fw error recovery */
 void ath6kl_init_hw_restart(struct ath6kl *ar);
 void ath6kl_recovery_err_notify(struct ath6kl *ar, enum ath6kl_fw_err reason);
+void ath6kl_recovery_hb_event(struct ath6kl *ar, u32 cookie);
 void ath6kl_recovery_init(struct ath6kl *ar);
 void ath6kl_recovery_cleanup(struct ath6kl *ar);
 void ath6kl_recovery_suspend(struct ath6kl *ar);
+void ath6kl_recovery_resume(struct ath6kl *ar);
 #endif /* CORE_H */