qcacld-3.0: Remove FEATURE_STATICALLY_ADD_11P_CHANNELS

FEATURE_STATICALLY_ADD_11P_CHANNELS was a temporary solution for
builds that were not defining DSRC channels in db.txt. That
restriction no more holds true. Also correct the list of DSRC
channels in function cds_is_dsrc_channel.

Change-Id: I1146ec9702a8eec801b635a276e981962dd42817
CRs-Fixed: 856727

Kbuild

@@ -253,10 +253,6 @@ CONFIG_FEATURE_SECURE_FIRMWARE := 0
 #Flag to enable Stats Ext implementation
 CONFIG_FEATURE_STATS_EXT := 1
 
-#Flag to force the inclusion of the 802.11p channels because support
-#for these channels has not yet been added to the kernel.
-CONFIG_STATICALLY_ADD_11P_CHANNELS := n
-
 ifeq ($(CONFIG_CFG80211),y)
 HAVE_CFG80211 := 1
 else
@@ -1329,10 +1325,6 @@ ifeq ($(CONFIG_WLAN_FEATURE_MEMDUMP),y)
 CDEFINES += -DWLAN_FEATURE_MEMDUMP
 endif
 
-ifeq ($(CONFIG_STATICALLY_ADD_11P_CHANNELS),y)
-CDEFINES += -DFEATURE_STATICALLY_ADD_11P_CHANNELS
-endif
-
 ifeq ($(CONFIG_LFR_SUBNET_DETECTION), y)
 CDEFINES += -DFEATURE_LFR_SUBNET_DETECTION
 endif

core/cds/src/cds_reg_service.c

@@ -754,26 +754,13 @@ CDF_STATUS cds_get_reg_domain_from_country_code(v_REGDOMAIN_t *reg_domain_ptr,
  */
 bool cds_is_dsrc_channel(uint16_t center_freq)
 {
-	switch (center_freq) {
-	case 5852:
-	case 5860:
-	case 5870:
-	case 5880:
-	case 5890:
-	case 5900:
-	case 5910:
-	case 5920:
-	case 5875:
-	case 5905:
+	if (center_freq >= 5852 &&
+	    center_freq <= 5920)
 		return 1;
-	}
+
 	return 0;
 }
 
-#ifdef FEATURE_STATICALLY_ADD_11P_CHANNELS
-#define DEFAULT_11P_POWER (30)
-#endif
-
 /**
  * cds_process_regulatory_data() - process regulatory data
  * @wiphy: wiphy
@@ -886,15 +873,6 @@ static int cds_process_regulatory_data(struct wiphy *wiphy,
 				}
 			}
 
-#ifdef FEATURE_STATICALLY_ADD_11P_CHANNELS
-			if (is_dsrc_channel(chan->center_freq)) {
-				temp_chan_k->enabled =
-					CHANNEL_STATE_ENABLE;
-				temp_chan_k->pwrLimit =
-					DEFAULT_11P_POWER;
-				temp_chan_k->flags = chan->flags;
-			} else
-#endif
 			if (chan->flags & IEEE80211_CHAN_DISABLED) {
 				temp_chan_k->enabled =
 					CHANNEL_STATE_DISABLE;

core/hdd/src/wlan_hdd_cfg80211.c

@@ -217,7 +217,6 @@ static struct ieee80211_channel hdd_channels_5_ghz[] = {
 	HDD5GHZCHAN(5785, 157, 0),
 	HDD5GHZCHAN(5805, 161, 0),
 	HDD5GHZCHAN(5825, 165, 0),
-#ifndef FEATURE_STATICALLY_ADD_11P_CHANNELS
 	HDD5GHZCHAN(5852, 170, 0),
 	HDD5GHZCHAN(5855, 171, 0),
 	HDD5GHZCHAN(5860, 172, 0),
@@ -233,7 +232,6 @@ static struct ieee80211_channel hdd_channels_5_ghz[] = {
 	HDD5GHZCHAN(5910, 182, 0),
 	HDD5GHZCHAN(5915, 183, 0),
 	HDD5GHZCHAN(5920, 184, 0),
-#endif
 };
 
 static struct ieee80211_rate g_mode_rates[] = {

core/hdd/src/wlan_hdd_ocb.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011-2015 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2011-2016 The Linux Foundation. All rights reserved.
  *
  * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
  *
@@ -121,113 +121,6 @@ static int dot11p_validate_qos_params(struct sir_qos_params qos_params[])
 	return 0;
 }
 
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 16, 0)) || \
-				 defined(FEATURE_STATICALLY_ADD_11P_CHANNELS)
-/*
- * If FEATURE_STATICALLY_ADD_11P_CHANNELS
- * is defined, IEEE80211_CHAN_NO_10MHZ,
- * and IEEE80211_CHAN_NO_20MHZ won't
- * be defined.
- */
-#define IEEE80211_CHAN_NO_20MHZ	(1<<11)
-#define IEEE80211_CHAN_NO_10MHZ	(1<<12)
-#endif
-
-#ifdef FEATURE_STATICALLY_ADD_11P_CHANNELS
-
-#define DOT11P_TX_PWR_MAX	30
-#define DOT11P_TX_ANTENNA_MAX	6
-#define NUM_DOT11P_CHANNELS	10
-/**
- * struct chan_info - information for the channel
- * @center_freq: center frequency
- * @max_bandwidth: maximum bandwidth of the channel in MHz
- */
-struct chan_info {
-	uint32_t center_freq;
-	uint32_t max_bandwidth;
-};
-
-struct chan_info valid_dot11p_channels[NUM_DOT11P_CHANNELS] = {
-	{5860, 10},
-	{5870, 10},
-	{5880, 10},
-	{5890, 10},
-	{5900, 10},
-	{5910, 10},
-	{5920, 10},
-	{5875, 20},
-	{5905, 20},
-	{5852, 5}
-};
-
-/**
- * dot11p_validate_channel_static_channels() - validate a DSRC channel
- * @center_freq: the channel's center frequency
- * @bandwidth: the channel's bandwidth
- * @tx_power: transmit power
- * @reg_power: (output) the max tx power from the regulatory domain
- * @antenna_max: (output) the max antenna gain from the regulatory domain
- *
- * This function of the function checks the channel parameters against a
- * hardcoded list of valid channels based on the FCC rules.
- *
- * Return: 0 if the channel is valid, error code otherwise.
- */
-static int dot11p_validate_channel_static_channels(struct wiphy *wiphy,
-	uint32_t channel_freq, uint32_t bandwidth, uint32_t tx_power,
-	uint8_t *reg_power, uint8_t *antenna_max)
-{
-	int i;
-
-	for (i = 0; i < NUM_DOT11P_CHANNELS; i++) {
-		if (channel_freq == valid_dot11p_channels[i].center_freq) {
-			if (reg_power)
-				*reg_power = DOT11P_TX_PWR_MAX;
-			if (antenna_max)
-				*antenna_max = DOT11P_TX_ANTENNA_MAX;
-
-			if (bandwidth == 0)
-				bandwidth =
-					valid_dot11p_channels[i].max_bandwidth;
-			else if (bandwidth >
-				 valid_dot11p_channels[i].max_bandwidth)
-				return -EINVAL;
-
-			if (bandwidth != 5 && bandwidth != 10 &&
-			    bandwidth != 20)
-				return -EINVAL;
-			if (tx_power > DOT11P_TX_PWR_MAX)
-				return -EINVAL;
-
-			return 0;
-		}
-	}
-
-	return -EINVAL;
-}
-#else
-/**
- * dot11p_validate_channel_static_channels() - validate a DSRC channel
- * @center_freq: the channel's center frequency
- * @bandwidth: the channel's bandwidth
- * @tx_power: transmit power
- * @reg_power: (output) the max tx power from the regulatory domain
- * @antenna_max: (output) the max antenna gain from the regulatory domain
- *
- * This function of the function checks the channel parameters against a
- * hardcoded list of valid channels based on the FCC rules.
- *
- * Return: 0 if the channel is valid, error code otherwise.
- */
-static int dot11p_validate_channel_static_channels(struct wiphy *wiphy,
-	uint32_t channel_freq, uint32_t bandwidth, uint32_t tx_power,
-	uint8_t *reg_power, uint8_t *antenna_max)
-{
-	return -EINVAL;
-}
-#endif /* FEATURE_STATICALLY_ADD_11P_CHANNELS */
-
 /**
  * dot11p_validate_channel() - validates a DSRC channel
  * @center_freq: the channel's center frequency
@@ -304,8 +197,7 @@ static int dot11p_validate_channel(struct wiphy *wiphy,
 		}
 	}
 
-	return dot11p_validate_channel_static_channels(wiphy, channel_freq,
-		bandwidth, tx_power, reg_power, antenna_max);
+	return -EINVAL;
 }
 
 /**