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Commit 17d6e557 authored by Stanislaw Gruszka's avatar Stanislaw Gruszka
Browse files

iwlegacy: remove for_each_context 



We do not support many contexts.

Signed-off-by: default avatarStanislaw Gruszka <sgruszka@redhat.com>
parent 3b98c7f4

drivers/net/wireless/iwlegacy/iwl-4965-sta.c

+1 −10
Original line number Diff line number Diff line
@@ -615,16 +615,7 @@ static int il4965_update_bcast_station(struct il_priv *il, 


int il4965_update_bcast_stations(struct il_priv *il)

{

	struct il_rxon_context *ctx;

	int ret = 0;



	for_each_context(il, ctx) {

		ret = il4965_update_bcast_station(il, ctx);

		if (ret)

			break;

	}



	return ret;

	return il4965_update_bcast_station(il, &il->ctx);

}



/**

drivers/net/wireless/iwlegacy/iwl-core.c

+77 −127
Original line number Diff line number Diff line
@@ -646,10 +646,7 @@ static void _il_set_rxon_ht(struct il_priv *il, 


void il_set_rxon_ht(struct il_priv *il, struct il_ht_config *ht_conf)

{

	struct il_rxon_context *ctx;



	for_each_context(il, ctx)

		_il_set_rxon_ht(il, ht_conf, ctx);

	_il_set_rxon_ht(il, ht_conf, &il->ctx);

}

EXPORT_SYMBOL(il_set_rxon_ht);
@@ -661,7 +658,6 @@ u8 il_get_single_channel_number(struct il_priv *il, 
	int i;

	u8 channel = 0;

	u8 min, max;

	struct il_rxon_context *ctx;



	if (band == IEEE80211_BAND_5GHZ) {

		min = 14;
@@ -672,19 +668,10 @@ u8 il_get_single_channel_number(struct il_priv *il, 
	}



	for (i = min; i < max; i++) {

		bool busy = false;



		for_each_context(il, ctx) {

			busy = il->channel_info[i].channel ==

				le16_to_cpu(ctx->staging.channel);

			if (busy)

				break;

		}



		if (busy)

		channel = il->channel_info[i].channel;

		if (channel == le16_to_cpu(il->ctx.staging.channel))

			continue;



		channel = il->channel_info[i].channel;

		ch_info = il_get_channel_info(il, band, channel);

		if (il_is_channel_valid(ch_info))

			break;
@@ -822,7 +809,6 @@ void il_set_rate(struct il_priv *il) 
{

	const struct ieee80211_supported_band *hw = NULL;

	struct ieee80211_rate *rate;

	struct il_rxon_context *ctx;

	int i;



	hw = il_get_hw_mode(il, il->band);
@@ -841,14 +827,12 @@ void il_set_rate(struct il_priv *il) 


	D_RATE("Set active_rate = %0x\n", il->active_rate);



	for_each_context(il, ctx) {

		ctx->staging.cck_basic_rates =

	il->ctx.staging.cck_basic_rates =

		    (IL_CCK_BASIC_RATES_MASK >> IL_FIRST_CCK_RATE) & 0xF;



		ctx->staging.ofdm_basic_rates =

	il->ctx.staging.ofdm_basic_rates =

		   (IL_OFDM_BASIC_RATES_MASK >> IL_FIRST_OFDM_RATE) & 0xFF;

}

}

EXPORT_SYMBOL(il_set_rate);



void il_chswitch_done(struct il_priv *il, bool is_success)
@@ -1254,7 +1238,6 @@ int il_mac_conf_tx(struct ieee80211_hw *hw, 
			   const struct ieee80211_tx_queue_params *params)

{

	struct il_priv *il = hw->priv;

	struct il_rxon_context *ctx;

	unsigned long flags;

	int q;
@@ -1274,17 +1257,15 @@ int il_mac_conf_tx(struct ieee80211_hw *hw, 


	spin_lock_irqsave(&il->lock, flags);



	for_each_context(il, ctx) {

		ctx->qos_data.def_qos_parm.ac[q].cw_min =

	il->ctx.qos_data.def_qos_parm.ac[q].cw_min =

			cpu_to_le16(params->cw_min);

		ctx->qos_data.def_qos_parm.ac[q].cw_max =

	il->ctx.qos_data.def_qos_parm.ac[q].cw_max =

			cpu_to_le16(params->cw_max);

		ctx->qos_data.def_qos_parm.ac[q].aifsn = params->aifs;

		ctx->qos_data.def_qos_parm.ac[q].edca_txop =

	il->ctx.qos_data.def_qos_parm.ac[q].aifsn = params->aifs;

	il->ctx.qos_data.def_qos_parm.ac[q].edca_txop =

				cpu_to_le16((params->txop * 32));



		ctx->qos_data.def_qos_parm.ac[q].reserved1 = 0;

	}

	il->ctx.qos_data.def_qos_parm.ac[q].reserved1 = 0;



	spin_unlock_irqrestore(&il->lock, flags);
@@ -1344,8 +1325,8 @@ il_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 
{

	struct il_priv *il = hw->priv;

	struct il_vif_priv *vif_priv = (void *)vif->drv_priv;

	struct il_rxon_context *tmp, *ctx = NULL;

	int err;

	u32 modes;



	D_MAC80211("enter: type %d, addr %pM\n",

			   vif->type, vif->addr);
@@ -1358,42 +1339,29 @@ il_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 
		goto out;

	}



	for_each_context(il, tmp) {

		u32 possible_modes =

			tmp->interface_modes | tmp->exclusive_interface_modes;



		if (tmp->vif) {

			/* check if this busy context is exclusive */

			if (tmp->exclusive_interface_modes &

						BIT(tmp->vif->type)) {

	/* check if busy context is exclusive */

	if (il->ctx.vif &&

	    (il->ctx.exclusive_interface_modes & BIT(il->ctx.vif->type))) {

		err = -EINVAL;

		goto out;

	}

			continue;

		}



		if (!(possible_modes & BIT(vif->type)))

			continue;



		/* have maybe usable context w/o interface */

		ctx = tmp;

		break;

	}



	if (!ctx) {

	modes = il->ctx.interface_modes | il->ctx.exclusive_interface_modes;

	if (!(modes & BIT(vif->type))) {

		err = -EOPNOTSUPP;

		goto out;

	}



	vif_priv->ctx = ctx;

	ctx->vif = vif;



	err = il_setup_interface(il, ctx);

	if (!err)

		goto out;

	vif_priv->ctx = &il->ctx;

	il->ctx.vif = vif;



	ctx->vif = NULL;

	err = il_setup_interface(il, &il->ctx);

	if (err) {

		il->ctx.vif = NULL;

		il->iw_mode = NL80211_IFTYPE_STATION;

	}



 out:

	mutex_unlock(&il->mutex);
@@ -1764,8 +1732,7 @@ il_mac_change_interface(struct ieee80211_hw *hw, 
{

	struct il_priv *il = hw->priv;

	struct il_rxon_context *ctx = il_rxon_ctx_from_vif(vif);

	struct il_rxon_context *tmp;

	u32 interface_modes;

	u32 modes;

	int err;



	newtype = ieee80211_iftype_p2p(newtype, newp2p);
@@ -1781,29 +1748,17 @@ il_mac_change_interface(struct ieee80211_hw *hw, 
		goto out;

	}



	interface_modes = ctx->interface_modes | ctx->exclusive_interface_modes;



	if (!(interface_modes & BIT(newtype))) {

		err = -EBUSY;

	modes = ctx->interface_modes | ctx->exclusive_interface_modes;

	if (!(modes & BIT(newtype))) {

		err = -EOPNOTSUPP;

		goto out;

	}



	if (ctx->exclusive_interface_modes & BIT(newtype)) {

		for_each_context(il, tmp) {

			if (ctx == tmp)

				continue;



			if (!tmp->vif)

				continue;



			/*

			 * The current mode switch would be exclusive, but

			 * another context is active ... refuse the switch.

			 */

			err = -EBUSY;

	if ((il->ctx.exclusive_interface_modes & BIT(il->ctx.vif->type)) ||

	    (il->ctx.exclusive_interface_modes & BIT(newtype))) {

		err = -EINVAL;

		goto out;

	}

	}



	/* success */

	il_teardown_interface(il, vif, true);
@@ -2064,7 +2019,7 @@ int il_mac_config(struct ieee80211_hw *hw, u32 changed) 
	struct ieee80211_conf *conf = &hw->conf;

	struct ieee80211_channel *channel = conf->channel;

	struct il_ht_config *ht_conf = &il->current_ht_config;

	struct il_rxon_context *ctx;

	struct il_rxon_context *ctx = &il->ctx;

	unsigned long flags = 0;

	int ret = 0;

	u16 ch;
@@ -2097,14 +2052,14 @@ int il_mac_config(struct ieee80211_hw *hw, u32 changed) 
		 * configured.

		 */

		if (il->cfg->ops->hcmd->set_rxon_chain)

			for_each_context(il, ctx)

				il->cfg->ops->hcmd->set_rxon_chain(il, ctx);

			il->cfg->ops->hcmd->set_rxon_chain(il, &il->ctx);

	}



	/* during scanning mac80211 will delay channel setting until

	 * scan finish with changed = 0

	 */

	if (!changed || (changed & IEEE80211_CONF_CHANGE_CHANNEL)) {



		if (scan_active)

			goto set_ch_out;
@@ -2125,7 +2080,6 @@ int il_mac_config(struct ieee80211_hw *hw, u32 changed) 


		spin_lock_irqsave(&il->lock, flags);



		for_each_context(il, ctx) {

		/* Configure HT40 channels */

		if (ctx->ht.enabled != conf_is_ht(conf)) {

			ctx->ht.enabled = conf_is_ht(conf);
@@ -2166,7 +2120,6 @@ int il_mac_config(struct ieee80211_hw *hw, u32 changed) 


		il_set_flags_for_band(il, ctx, channel->band,

				       ctx->vif);

		}



		spin_unlock_irqrestore(&il->lock, flags);
@@ -2203,15 +2156,12 @@ int il_mac_config(struct ieee80211_hw *hw, u32 changed) 
	if (scan_active)

		goto out;



	for_each_context(il, ctx) {

	if (memcmp(&ctx->active, &ctx->staging, sizeof(ctx->staging)))

		il_commit_rxon(il, ctx);

	else

			D_INFO(

				"Not re-sending same RXON configuration.\n");

		D_INFO("Not re-sending same RXON configuration.\n");

	if (ht_changed)

		il_update_qos(il, ctx);

	}



out:

	D_MAC80211("leave\n");

drivers/net/wireless/iwlegacy/iwl-debugfs.c

+13 −15
Original line number Diff line number Diff line
@@ -599,12 +599,11 @@ il_dbgfs_qos_read(struct file *file, char __user *user_buf, 
				       size_t count, loff_t *ppos)

{

	struct il_priv *il = file->private_data;

	struct il_rxon_context *ctx;

	struct il_rxon_context *ctx = &il->ctx;

	int pos = 0, i;

	char buf[256];

	const size_t bufsz = sizeof(buf);



	for_each_context(il, ctx) {

	pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",

			 ctx->ctxid);

	for (i = 0; i < AC_NUM; i++) {
@@ -617,8 +616,7 @@ il_dbgfs_qos_read(struct file *file, char __user *user_buf, 
			ctx->qos_data.def_qos_parm.ac[i].aifsn,

			ctx->qos_data.def_qos_parm.ac[i].edca_txop);

	}

		pos += scnprintf(buf + pos, bufsz - pos, "\n");

	}



	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);

}

drivers/net/wireless/iwlegacy/iwl-scan.c

+8 −12
Original line number Diff line number Diff line
@@ -290,7 +290,9 @@ u16 il_get_passive_dwell_time(struct il_priv *il, 
			       enum ieee80211_band band,

			       struct ieee80211_vif *vif)

{

	struct il_rxon_context *ctx;

	struct il_rxon_context *ctx = &il->ctx;

	u16 value;



	u16 passive = (band == IEEE80211_BAND_2GHZ) ?

	    IL_PASSIVE_DWELL_BASE + IL_PASSIVE_DWELL_TIME_24 :

	    IL_PASSIVE_DWELL_BASE + IL_PASSIVE_DWELL_TIME_52;
@@ -301,18 +303,12 @@ u16 il_get_passive_dwell_time(struct il_priv *il, 
		 * dwell time to be 98% of the smallest beacon interval

		 * (minus 2 * channel tune time)

		 */

		for_each_context(il, ctx) {

			u16 value;



			if (!il_is_associated_ctx(ctx))

				continue;

		value = ctx->vif ? ctx->vif->bss_conf.beacon_int : 0;

		if (value > IL_PASSIVE_DWELL_BASE || !value)

			value = IL_PASSIVE_DWELL_BASE;

		value = (value * 98) / 100 - IL_CHANNEL_TUNE_TIME * 2;

		passive = min(value, passive);

	}

	}



	return passive;

}

drivers/net/wireless/iwlegacy/iwl-sta.h

+10 −12
Original line number Diff line number Diff line
@@ -84,7 +84,7 @@ int il_send_lq_cmd(struct il_priv *il, 
static inline void il_clear_driver_stations(struct il_priv *il)

{

	unsigned long flags;

	struct il_rxon_context *ctx;

	struct il_rxon_context *ctx = &il->ctx;



	spin_lock_irqsave(&il->sta_lock, flags);

	memset(il->stations, 0, sizeof(il->stations));
@@ -92,7 +92,6 @@ static inline void il_clear_driver_stations(struct il_priv *il) 


	il->ucode_key_table = 0;



	for_each_context(il, ctx) {

	/*

	 * Remove all key information that is not stored as part

	 * of station information since mac80211 may not have had
@@ -102,7 +101,6 @@ static inline void il_clear_driver_stations(struct il_priv *il) 
	 */

	memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys));

	ctx->key_mapping_keys = 0;

	}



	spin_unlock_irqrestore(&il->sta_lock, flags);

}