Commit dc41e4d4 authored by Eliad Peller's avatar Eliad Peller Committed by John W. Linville
Browse files

mac80211: make uapsd_* keys per-vif 



uapsd_queues and uapsd_max_sp_len are relevant only for managed
interfaces, and can be configured differently for each vif.

Move them from the local struct to sdata->u.mgd, and update
the debugfs functions accordingly.

Signed-off-by: default avatarEliad Peller <eliad@wizery.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent ada577c1

net/mac80211/debugfs.c

+0 −81
Original line number Diff line number Diff line
@@ -97,85 +97,6 @@ static const struct file_operations reset_ops = { 
	.llseek = noop_llseek,

};



static ssize_t uapsd_queues_read(struct file *file, char __user *user_buf,

				 size_t count, loff_t *ppos)

{

	struct ieee80211_local *local = file->private_data;

	return mac80211_format_buffer(user_buf, count, ppos, "0x%x\n",

				      local->uapsd_queues);

}



static ssize_t uapsd_queues_write(struct file *file,

				  const char __user *user_buf,

				  size_t count, loff_t *ppos)

{

	struct ieee80211_local *local = file->private_data;

	u8 val;

	int ret;



	ret = kstrtou8_from_user(user_buf, count, 0, &val);

	if (ret)

		return ret;



	if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)

		return -ERANGE;



	local->uapsd_queues = val;



	return count;

}



static const struct file_operations uapsd_queues_ops = {

	.read = uapsd_queues_read,

	.write = uapsd_queues_write,

	.open = mac80211_open_file_generic,

	.llseek = default_llseek,

};



static ssize_t uapsd_max_sp_len_read(struct file *file, char __user *user_buf,

				     size_t count, loff_t *ppos)

{

	struct ieee80211_local *local = file->private_data;



	return mac80211_format_buffer(user_buf, count, ppos, "0x%x\n",

				      local->uapsd_max_sp_len);

}



static ssize_t uapsd_max_sp_len_write(struct file *file,

				      const char __user *user_buf,

				      size_t count, loff_t *ppos)

{

	struct ieee80211_local *local = file->private_data;

	unsigned long val;

	char buf[10];

	size_t len;

	int ret;



	len = min(count, sizeof(buf) - 1);

	if (copy_from_user(buf, user_buf, len))

		return -EFAULT;

	buf[len] = '\0';



	ret = kstrtoul(buf, 0, &val);



	if (ret)

		return -EINVAL;



	if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)

		return -ERANGE;



	local->uapsd_max_sp_len = val;



	return count;

}



static const struct file_operations uapsd_max_sp_len_ops = {

	.read = uapsd_max_sp_len_read,

	.write = uapsd_max_sp_len_write,

	.open = mac80211_open_file_generic,

	.llseek = default_llseek,

};



static ssize_t channel_type_read(struct file *file, char __user *user_buf,

		       size_t count, loff_t *ppos)

{
@@ -362,8 +283,6 @@ void debugfs_hw_add(struct ieee80211_local *local) 
	DEBUGFS_ADD(wep_iv);

	DEBUGFS_ADD(queues);

	DEBUGFS_ADD_MODE(reset, 0200);

	DEBUGFS_ADD(uapsd_queues);

	DEBUGFS_ADD(uapsd_max_sp_len);

	DEBUGFS_ADD(channel_type);

	DEBUGFS_ADD(hwflags);

	DEBUGFS_ADD(user_power);

net/mac80211/debugfs_netdev.c

+58 −0
Original line number Diff line number Diff line
@@ -337,6 +337,62 @@ static ssize_t ieee80211_if_parse_tkip_mic_test( 


__IEEE80211_IF_FILE_W(tkip_mic_test);



static ssize_t ieee80211_if_fmt_uapsd_queues(

	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)

{

	const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;



	return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);

}



static ssize_t ieee80211_if_parse_uapsd_queues(

	struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)

{

	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;

	u8 val;

	int ret;



	ret = kstrtou8(buf, 0, &val);

	if (ret)

		return ret;



	if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)

		return -ERANGE;



	ifmgd->uapsd_queues = val;



	return buflen;

}

__IEEE80211_IF_FILE_W(uapsd_queues);



static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(

	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)

{

	const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;



	return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);

}



static ssize_t ieee80211_if_parse_uapsd_max_sp_len(

	struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)

{

	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;

	unsigned long val;

	int ret;



	ret = kstrtoul(buf, 0, &val);

	if (ret)

		return -EINVAL;



	if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)

		return -ERANGE;



	ifmgd->uapsd_max_sp_len = val;



	return buflen;

}

__IEEE80211_IF_FILE_W(uapsd_max_sp_len);



/* AP attributes */

IEEE80211_IF_FILE(num_sta_authorized, u.ap.num_sta_authorized, ATOMIC);

IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
@@ -469,6 +525,8 @@ static void add_sta_files(struct ieee80211_sub_if_data *sdata) 
	DEBUGFS_ADD(ave_beacon);

	DEBUGFS_ADD_MODE(smps, 0600);

	DEBUGFS_ADD_MODE(tkip_mic_test, 0200);

	DEBUGFS_ADD_MODE(uapsd_queues, 0600);

	DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);

}



static void add_ap_files(struct ieee80211_sub_if_data *sdata)

net/mac80211/ieee80211_i.h

+14 −14
Original line number Diff line number Diff line
@@ -459,6 +459,20 @@ struct ieee80211_if_managed { 
		IEEE80211_MFP_REQUIRED

	} mfp; /* management frame protection */



	/*

	 * Bitmask of enabled u-apsd queues,

	 * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association

	 * to take effect.

	 */

	unsigned int uapsd_queues;



	/*

	 * Maximum number of buffered frames AP can deliver during a

	 * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar.

	 * Needs a new association to take effect.

	 */

	unsigned int uapsd_max_sp_len;



	int wmm_last_param_set;



	u8 use_4addr;
@@ -1017,20 +1031,6 @@ struct ieee80211_local { 
				*/

	unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */



	/*

	 * Bitmask of enabled u-apsd queues,

	 * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association

	 * to take effect.

	 */

	unsigned int uapsd_queues;



	/*

	 * Maximum number of buffered frames AP can deliver during a

	 * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar.

	 * Needs a new association to take effect.

	 */

	unsigned int uapsd_max_sp_len;



	bool pspolling;

	bool offchannel_ps_enabled;

	/*

net/mac80211/main.c

+0 −2
Original line number Diff line number Diff line
@@ -595,8 +595,6 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, 
	local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;

	local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;

	local->user_power_level = -1;

	local->uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES;

	local->uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN;

	wiphy->ht_capa_mod_mask = &mac80211_ht_capa_mod_mask;



	INIT_LIST_HEAD(&local->interfaces);

net/mac80211/mlme.c

+5 −3
Original line number Diff line number Diff line
@@ -572,8 +572,8 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) 


	if (assoc_data->wmm) {

		if (assoc_data->uapsd) {

			qos_info = local->uapsd_queues;

			qos_info |= (local->uapsd_max_sp_len <<

			qos_info = ifmgd->uapsd_queues;

			qos_info |= (ifmgd->uapsd_max_sp_len <<

				     IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT);

		} else {

			qos_info = 0;
@@ -1192,7 +1192,7 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local, 
		return;



	if (ifmgd->flags & IEEE80211_STA_UAPSD_ENABLED)

		uapsd_queues = local->uapsd_queues;

		uapsd_queues = ifmgd->uapsd_queues;



	count = wmm_param[6] & 0x0f;

	if (count == ifmgd->wmm_last_param_set)
@@ -3013,6 +3013,8 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata) 


	ifmgd->flags = 0;

	ifmgd->powersave = sdata->wdev.ps;

	ifmgd->uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES;

	ifmgd->uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN;



	mutex_init(&ifmgd->mtx);

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