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Commit 5edc565d authored by Meenakshi Venkataraman's avatar Meenakshi Venkataraman Committed by Wey-Yi Guy
Browse files

iwlwifi: move iwl_is_ht40_tx_allowed out of iwl-core.c



This is really something determined by
station parameters, so move it to
iwl-agn-sta.c.

Signed-off-by: default avatarMeenakshi Venkataraman <meenakshi.venkataraman@intel.com>
Signed-off-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
parent a297d95d
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+44 −0
Original line number Diff line number Diff line
@@ -170,6 +170,50 @@ int iwl_send_add_sta(struct iwl_priv *priv,
	return cmd.handler_status;
}

static bool iwl_is_channel_extension(struct iwl_priv *priv,
				     enum ieee80211_band band,
				     u16 channel, u8 extension_chan_offset)
{
	const struct iwl_channel_info *ch_info;

	ch_info = iwl_get_channel_info(priv, band, channel);
	if (!is_channel_valid(ch_info))
		return false;

	if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
		return !(ch_info->ht40_extension_channel &
					IEEE80211_CHAN_NO_HT40PLUS);
	else if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_BELOW)
		return !(ch_info->ht40_extension_channel &
					IEEE80211_CHAN_NO_HT40MINUS);

	return false;
}

bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
			    struct iwl_rxon_context *ctx,
			    struct ieee80211_sta_ht_cap *ht_cap)
{
	if (!ctx->ht.enabled || !ctx->ht.is_40mhz)
		return false;

	/*
	 * We do not check for IEEE80211_HT_CAP_SUP_WIDTH_20_40
	 * the bit will not set if it is pure 40MHz case
	 */
	if (ht_cap && !ht_cap->ht_supported)
		return false;

#ifdef CONFIG_IWLWIFI_DEBUGFS
	if (priv->disable_ht40)
		return false;
#endif

	return iwl_is_channel_extension(priv, priv->band,
			le16_to_cpu(ctx->staging.channel),
			ctx->ht.extension_chan_offset);
}

static void iwl_sta_calc_ht_flags(struct iwl_priv *priv,
				  struct ieee80211_sta *sta,
				  struct iwl_rxon_context *ctx,
+3 −0
Original line number Diff line number Diff line
@@ -261,6 +261,9 @@ int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
		      struct ieee80211_sta *sta);

bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
			    struct iwl_rxon_context *ctx,
			    struct ieee80211_sta_ht_cap *ht_cap);

static inline int iwl_sta_id(struct ieee80211_sta *sta)
{
+0 −44
Original line number Diff line number Diff line
@@ -43,50 +43,6 @@

const u8 iwl_bcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };

static bool iwl_is_channel_extension(struct iwl_priv *priv,
				     enum ieee80211_band band,
				     u16 channel, u8 extension_chan_offset)
{
	const struct iwl_channel_info *ch_info;

	ch_info = iwl_get_channel_info(priv, band, channel);
	if (!is_channel_valid(ch_info))
		return false;

	if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
		return !(ch_info->ht40_extension_channel &
					IEEE80211_CHAN_NO_HT40PLUS);
	else if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_BELOW)
		return !(ch_info->ht40_extension_channel &
					IEEE80211_CHAN_NO_HT40MINUS);

	return false;
}

bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
			    struct iwl_rxon_context *ctx,
			    struct ieee80211_sta_ht_cap *ht_cap)
{
	if (!ctx->ht.enabled || !ctx->ht.is_40mhz)
		return false;

	/*
	 * We do not check for IEEE80211_HT_CAP_SUP_WIDTH_20_40
	 * the bit will not set if it is pure 40MHz case
	 */
	if (ht_cap && !ht_cap->ht_supported)
		return false;

#ifdef CONFIG_IWLWIFI_DEBUGFS
	if (priv->disable_ht40)
		return false;
#endif

	return iwl_is_channel_extension(priv, priv->band,
			le16_to_cpu(ctx->staging.channel),
			ctx->ht.extension_chan_offset);
}

static void _iwl_set_rxon_ht(struct iwl_priv *priv,
			     struct iwl_ht_config *ht_conf,
			     struct iwl_rxon_context *ctx)
+0 −3
Original line number Diff line number Diff line
@@ -85,9 +85,6 @@ void iwl_set_flags_for_band(struct iwl_priv *priv,
			    enum ieee80211_band band,
			    struct ieee80211_vif *vif);
void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
			    struct iwl_rxon_context *ctx,
			    struct ieee80211_sta_ht_cap *ht_cap);
void iwl_connection_init_rx_config(struct iwl_priv *priv,
				   struct iwl_rxon_context *ctx);
void iwl_set_rate(struct iwl_priv *priv);