From 46458e7d229d0d780398b7cd53dcbc5c5c22675e Mon Sep 17 00:00:00 2001
From: Lincoln Tran <linctran@codeaurora.org>
Date: Fri, 13 Nov 2020 11:18:32 -0800
Subject: [PATCH] qcacmn: Add API to check for passive frequency

Add new API to check if frequency is passive or not. The API checks
the channel flag against REGULATORY_CHAN_NO_IR.

Change-Id: I166a7a79517f81c23ff933d2657ef3f4c551c082
CRs-fixed: 2822205
---
 umac/regulatory/core/src/reg_services_common.c        |  9 +++++++++
 umac/regulatory/core/src/reg_services_common.h        | 10 ++++++++++
 .../regulatory/dispatcher/inc/wlan_reg_services_api.h | 11 +++++++++++
 .../regulatory/dispatcher/src/wlan_reg_services_api.c |  6 ++++++
 4 files changed, 36 insertions(+)

diff --git a/umac/regulatory/core/src/reg_services_common.c b/umac/regulatory/core/src/reg_services_common.c
index e9ecb213996c..df87272fb868 100644
--- a/umac/regulatory/core/src/reg_services_common.c
+++ b/umac/regulatory/core/src/reg_services_common.c
@@ -3936,6 +3936,15 @@ bool reg_is_disable_for_freq(struct wlan_objmgr_pdev *pdev, qdf_freq_t freq)
 
 	return ch_state == CHANNEL_STATE_DISABLE;
 }
+
+bool reg_is_passive_for_freq(struct wlan_objmgr_pdev *pdev, qdf_freq_t freq)
+{
+	uint32_t chan_flags;
+
+	chan_flags = reg_get_channel_flags_for_freq(pdev, freq);
+
+	return chan_flags & REGULATORY_CHAN_NO_IR;
+}
 #endif /* CONFIG_CHAN_FREQ_API */
 
 uint8_t  reg_get_max_tx_power(struct wlan_objmgr_pdev *pdev)
diff --git a/umac/regulatory/core/src/reg_services_common.h b/umac/regulatory/core/src/reg_services_common.h
index 6f4ac6d220e8..90a433a35a4d 100644
--- a/umac/regulatory/core/src/reg_services_common.h
+++ b/umac/regulatory/core/src/reg_services_common.h
@@ -1137,6 +1137,16 @@ reg_get_5g_bonded_channel_for_freq(struct wlan_objmgr_pdev *pdev,
  * Return: True if channel state is disabled, else false
  */
 bool reg_is_disable_for_freq(struct wlan_objmgr_pdev *pdev, qdf_freq_t freq);
+
+/**
+ * reg_is_passive_for_freq() - Check if the given channel frequency is in
+ * passive state
+ * @pdev: Pointer to pdev
+ * @freq: Channel frequency
+ *
+ * Return: True if channel state is passive, else false
+ */
+bool reg_is_passive_for_freq(struct wlan_objmgr_pdev *pdev, qdf_freq_t freq);
 #endif /* CONFIG_CHAN_FREQ_API */
 
 /**
diff --git a/umac/regulatory/dispatcher/inc/wlan_reg_services_api.h b/umac/regulatory/dispatcher/inc/wlan_reg_services_api.h
index 1ef9220b029c..55721cf4b56b 100644
--- a/umac/regulatory/dispatcher/inc/wlan_reg_services_api.h
+++ b/umac/regulatory/dispatcher/inc/wlan_reg_services_api.h
@@ -1318,6 +1318,17 @@ bool wlan_reg_is_passive_or_disable_for_freq(struct wlan_objmgr_pdev *pdev,
 bool wlan_reg_is_disable_for_freq(struct wlan_objmgr_pdev *pdev,
 				  qdf_freq_t freq);
 
+/**
+ * wlan_reg_is_passive_for_freq() - Check the channel flags to see if the
+ * passive flag is set
+ * @pdev: pdev ptr
+ * @freq: Channel center frequency
+ *
+ * Return: true or false
+ */
+bool wlan_reg_is_passive_for_freq(struct wlan_objmgr_pdev *pdev,
+				  qdf_freq_t freq);
+
 /**
  * wlan_reg_chan_to_band() - Get band from channel number
  * @chan_num: channel number
diff --git a/umac/regulatory/dispatcher/src/wlan_reg_services_api.c b/umac/regulatory/dispatcher/src/wlan_reg_services_api.c
index 84bcb0a8f848..1e3ac7e0fa91 100644
--- a/umac/regulatory/dispatcher/src/wlan_reg_services_api.c
+++ b/umac/regulatory/dispatcher/src/wlan_reg_services_api.c
@@ -1009,6 +1009,12 @@ bool wlan_reg_is_disable_for_freq(struct wlan_objmgr_pdev *pdev,
 	return reg_is_disable_for_freq(pdev, freq);
 }
 
+bool wlan_reg_is_passive_for_freq(struct wlan_objmgr_pdev *pdev,
+				  qdf_freq_t freq)
+{
+	return reg_is_passive_for_freq(pdev, freq);
+}
+
 QDF_STATUS
 wlan_reg_get_channel_list_with_power_for_freq(struct wlan_objmgr_pdev *pdev,
 					      struct channel_power *ch_list,