mac80211: start moving scan code from mlme (0a51b27e) · Commits · e / devices / android_kernel_oneplus_sm8150

net/mac80211/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -7,6 +7,7 @@ mac80211-y := \
		sta_info.o \
		wep.o \
		wpa.o \
		scan.o \
		mlme.o \
		iface.o \
		rate.o \

net/mac80211/ieee80211_i.h

+12 −1

Original line number	Diff line number	Diff line
		@@ -53,6 +53,12 @@ struct ieee80211_local;
		* increased memory use (about 2 kB of RAM per entry). */
		#define IEEE80211_FRAGMENT_MAX 4

		/*
		* Time after which we ignore scan results and no longer report/use
		* them in any way.
		*/
		#define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ)

		struct ieee80211_fragment_entry {
		unsigned long first_frag_time;
		unsigned int seq;
		@@ -924,8 +930,13 @@ u64 ieee80211_sta_get_rates(struct ieee80211_local *local,
		enum ieee80211_band band);
		void ieee80211_sta_tx(struct ieee80211_sub_if_data sdata, struct sk_buff skb,
		int encrypt);
		void ieee80211_send_probe_req(struct ieee80211_sub_if_data sdata, u8 dst,
		u8 *ssid, size_t ssid_len);
		void ieee802_11_parse_elems(u8 *start, size_t len,
		struct ieee802_11_elems *elems);
		void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local);
		int ieee80211_sta_start_scan(struct ieee80211_sub_if_data *scan_sdata,
		u8 *ssid, size_t ssid_len);

		#ifdef CONFIG_MAC80211_MESH
		void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata);

net/mac80211/mlme.c

+16 −543

Original line number	Diff line number	Diff line
		@@ -46,10 +46,6 @@
		#define IEEE80211_SCAN_INTERVAL_SLOW (15 * HZ)
		#define IEEE80211_IBSS_JOIN_TIMEOUT (7 * HZ)

		#define IEEE80211_PROBE_DELAY (HZ / 33)
		#define IEEE80211_CHANNEL_TIME (HZ / 33)
		#define IEEE80211_PASSIVE_CHANNEL_TIME (HZ / 5)
		#define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ)
		#define IEEE80211_IBSS_MERGE_INTERVAL (30 * HZ)
		#define IEEE80211_IBSS_INACTIVITY_LIMIT (60 * HZ)
		#define IEEE80211_MESH_PEER_INACTIVITY_LIMIT (1800 * HZ)
		@@ -341,7 +337,7 @@ static void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
		ieee80211_sta_tx(sdata, skb, encrypt);
		}

		static void ieee80211_send_probe_req(struct ieee80211_sub_if_data sdata, u8 dst,
		void ieee80211_send_probe_req(struct ieee80211_sub_if_data sdata, u8 dst,
		u8 *ssid, size_t ssid_len)
		{
		struct ieee80211_local *local = sdata->local;
		@@ -3466,543 +3462,6 @@ int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data sdata, u8 bssid)
		}


		static void ieee80211_send_nullfunc(struct ieee80211_local *local,
		struct ieee80211_sub_if_data *sdata,
		int powersave)
		{
		struct sk_buff *skb;
		struct ieee80211_hdr *nullfunc;
		__le16 fc;

		skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24);
		if (!skb) {
		printk(KERN_DEBUG "%s: failed to allocate buffer for nullfunc "
		"frame\n", sdata->dev->name);
		return;
		}
		skb_reserve(skb, local->hw.extra_tx_headroom);

		nullfunc = (struct ieee80211_hdr *) skb_put(skb, 24);
		memset(nullfunc, 0, 24);
		fc = cpu_to_le16(IEEE80211_FTYPE_DATA \| IEEE80211_STYPE_NULLFUNC \|
		IEEE80211_FCTL_TODS);
		if (powersave)
		fc \|= cpu_to_le16(IEEE80211_FCTL_PM);
		nullfunc->frame_control = fc;
		memcpy(nullfunc->addr1, sdata->u.sta.bssid, ETH_ALEN);
		memcpy(nullfunc->addr2, sdata->dev->dev_addr, ETH_ALEN);
		memcpy(nullfunc->addr3, sdata->u.sta.bssid, ETH_ALEN);

		ieee80211_sta_tx(sdata, skb, 0);
		}


		static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
		{
		if (sdata->vif.type == IEEE80211_IF_TYPE_STA \|\|
		ieee80211_vif_is_mesh(&sdata->vif))
		ieee80211_sta_timer((unsigned long)sdata);
		}

		void ieee80211_scan_completed(struct ieee80211_hw *hw)
		{
		struct ieee80211_local *local = hw_to_local(hw);
		struct ieee80211_sub_if_data *sdata;
		union iwreq_data wrqu;

		local->last_scan_completed = jiffies;
		memset(&wrqu, 0, sizeof(wrqu));
		wireless_send_event(local->scan_sdata->dev, SIOCGIWSCAN, &wrqu, NULL);

		if (local->sta_hw_scanning) {
		local->sta_hw_scanning = 0;
		if (ieee80211_hw_config(local))
		printk(KERN_DEBUG "%s: failed to restore operational "
		"channel after scan\n", wiphy_name(local->hw.wiphy));
		/* Restart STA timer for HW scan case */
		rcu_read_lock();
		list_for_each_entry_rcu(sdata, &local->interfaces, list)
		ieee80211_restart_sta_timer(sdata);
		rcu_read_unlock();

		goto done;
		}

		local->sta_sw_scanning = 0;
		if (ieee80211_hw_config(local))
		printk(KERN_DEBUG "%s: failed to restore operational "
		"channel after scan\n", wiphy_name(local->hw.wiphy));


		netif_tx_lock_bh(local->mdev);
		netif_addr_lock(local->mdev);
		local->filter_flags &= ~FIF_BCN_PRBRESP_PROMISC;
		local->ops->configure_filter(local_to_hw(local),
		FIF_BCN_PRBRESP_PROMISC,
		&local->filter_flags,
		local->mdev->mc_count,
		local->mdev->mc_list);

		netif_addr_unlock(local->mdev);
		netif_tx_unlock_bh(local->mdev);

		rcu_read_lock();
		list_for_each_entry_rcu(sdata, &local->interfaces, list) {
		/* Tell AP we're back */
		if (sdata->vif.type == IEEE80211_IF_TYPE_STA) {
		if (sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED) {
		ieee80211_send_nullfunc(local, sdata, 0);
		netif_tx_wake_all_queues(sdata->dev);
		}
		} else
		netif_tx_wake_all_queues(sdata->dev);

		ieee80211_restart_sta_timer(sdata);
		}
		rcu_read_unlock();

		done:
		sdata = local->scan_sdata;
		if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
		struct ieee80211_if_sta *ifsta = &sdata->u.sta;
		if (!(ifsta->flags & IEEE80211_STA_BSSID_SET) \|\|
		(!(ifsta->state == IEEE80211_STA_MLME_IBSS_JOINED) &&
		!ieee80211_sta_active_ibss(sdata)))
		ieee80211_sta_find_ibss(sdata, ifsta);
		}
		}
		EXPORT_SYMBOL(ieee80211_scan_completed);

		void ieee80211_sta_scan_work(struct work_struct *work)
		{
		struct ieee80211_local *local =
		container_of(work, struct ieee80211_local, scan_work.work);
		struct ieee80211_sub_if_data *sdata = local->scan_sdata;
		struct ieee80211_supported_band *sband;
		struct ieee80211_channel *chan;
		int skip;
		unsigned long next_delay = 0;

		if (!local->sta_sw_scanning)
		return;

		switch (local->scan_state) {
		case SCAN_SET_CHANNEL:
		/*
		* Get current scan band. scan_band may be IEEE80211_NUM_BANDS
		* after we successfully scanned the last channel of the last
		* band (and the last band is supported by the hw)
		*/
		if (local->scan_band < IEEE80211_NUM_BANDS)
		sband = local->hw.wiphy->bands[local->scan_band];
		else
		sband = NULL;

		/*
		* If we are at an unsupported band and have more bands
		* left to scan, advance to the next supported one.
		*/
		while (!sband && local->scan_band < IEEE80211_NUM_BANDS - 1) {
		local->scan_band++;
		sband = local->hw.wiphy->bands[local->scan_band];
		local->scan_channel_idx = 0;
		}

		/* if no more bands/channels left, complete scan */
		if (!sband \|\| local->scan_channel_idx >= sband->n_channels) {
		ieee80211_scan_completed(local_to_hw(local));
		return;
		}
		skip = 0;
		chan = &sband->channels[local->scan_channel_idx];

		if (chan->flags & IEEE80211_CHAN_DISABLED \|\|
		(sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
		chan->flags & IEEE80211_CHAN_NO_IBSS))
		skip = 1;

		if (!skip) {
		local->scan_channel = chan;
		if (ieee80211_hw_config(local)) {
		printk(KERN_DEBUG "%s: failed to set freq to "
		"%d MHz for scan\n", wiphy_name(local->hw.wiphy),
		chan->center_freq);
		skip = 1;
		}
		}

		/* advance state machine to next channel/band */
		local->scan_channel_idx++;
		if (local->scan_channel_idx >= sband->n_channels) {
		/*
		* scan_band may end up == IEEE80211_NUM_BANDS, but
		* we'll catch that case above and complete the scan
		* if that is the case.
		*/
		local->scan_band++;
		local->scan_channel_idx = 0;
		}

		if (skip)
		break;

		next_delay = IEEE80211_PROBE_DELAY +
		usecs_to_jiffies(local->hw.channel_change_time);
		local->scan_state = SCAN_SEND_PROBE;
		break;
		case SCAN_SEND_PROBE:
		next_delay = IEEE80211_PASSIVE_CHANNEL_TIME;
		local->scan_state = SCAN_SET_CHANNEL;

		if (local->scan_channel->flags & IEEE80211_CHAN_PASSIVE_SCAN)
		break;
		ieee80211_send_probe_req(sdata, NULL, local->scan_ssid,
		local->scan_ssid_len);
		next_delay = IEEE80211_CHANNEL_TIME;
		break;
		}

		if (local->sta_sw_scanning)
		queue_delayed_work(local->hw.workqueue, &local->scan_work,
		next_delay);
		}


		static int ieee80211_sta_start_scan(struct ieee80211_sub_if_data *scan_sdata,
		u8 *ssid, size_t ssid_len)
		{
		struct ieee80211_local *local = scan_sdata->local;
		struct ieee80211_sub_if_data *sdata;

		if (ssid_len > IEEE80211_MAX_SSID_LEN)
		return -EINVAL;

		/* MLME-SCAN.request (page 118) page 144 (11.1.3.1)
		* BSSType: INFRASTRUCTURE, INDEPENDENT, ANY_BSS
		* BSSID: MACAddress
		* SSID
		* ScanType: ACTIVE, PASSIVE
		* ProbeDelay: delay (in microseconds) to be used prior to transmitting
		* a Probe frame during active scanning
		* ChannelList
		* MinChannelTime (>= ProbeDelay), in TU
		* MaxChannelTime: (>= MinChannelTime), in TU
		*/

		/* MLME-SCAN.confirm
		* BSSDescriptionSet
		* ResultCode: SUCCESS, INVALID_PARAMETERS
		*/

		if (local->sta_sw_scanning \|\| local->sta_hw_scanning) {
		if (local->scan_sdata == scan_sdata)
		return 0;
		return -EBUSY;
		}

		if (local->ops->hw_scan) {
		int rc = local->ops->hw_scan(local_to_hw(local),
		ssid, ssid_len);
		if (!rc) {
		local->sta_hw_scanning = 1;
		local->scan_sdata = scan_sdata;
		}
		return rc;
		}

		local->sta_sw_scanning = 1;

		rcu_read_lock();
		list_for_each_entry_rcu(sdata, &local->interfaces, list) {
		if (sdata->vif.type == IEEE80211_IF_TYPE_STA) {
		if (sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED) {
		netif_tx_stop_all_queues(sdata->dev);
		ieee80211_send_nullfunc(local, sdata, 1);
		}
		} else
		netif_tx_stop_all_queues(sdata->dev);
		}
		rcu_read_unlock();

		if (ssid) {
		local->scan_ssid_len = ssid_len;
		memcpy(local->scan_ssid, ssid, ssid_len);
		} else
		local->scan_ssid_len = 0;
		local->scan_state = SCAN_SET_CHANNEL;
		local->scan_channel_idx = 0;
		local->scan_band = IEEE80211_BAND_2GHZ;
		local->scan_sdata = scan_sdata;

		netif_addr_lock_bh(local->mdev);
		local->filter_flags \|= FIF_BCN_PRBRESP_PROMISC;
		local->ops->configure_filter(local_to_hw(local),
		FIF_BCN_PRBRESP_PROMISC,
		&local->filter_flags,
		local->mdev->mc_count,
		local->mdev->mc_list);
		netif_addr_unlock_bh(local->mdev);

		/* TODO: start scan as soon as all nullfunc frames are ACKed */
		queue_delayed_work(local->hw.workqueue, &local->scan_work,
		IEEE80211_CHANNEL_TIME);

		return 0;
		}


		int ieee80211_sta_req_scan(struct ieee80211_sub_if_data sdata, u8 ssid, size_t ssid_len)
		{
		struct ieee80211_if_sta *ifsta = &sdata->u.sta;
		struct ieee80211_local *local = sdata->local;

		if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
		return ieee80211_sta_start_scan(sdata, ssid, ssid_len);

		if (local->sta_sw_scanning \|\| local->sta_hw_scanning) {
		if (local->scan_sdata == sdata)
		return 0;
		return -EBUSY;
		}

		ifsta->scan_ssid_len = ssid_len;
		if (ssid_len)
		memcpy(ifsta->scan_ssid, ssid, ssid_len);
		set_bit(IEEE80211_STA_REQ_SCAN, &ifsta->request);
		queue_work(local->hw.workqueue, &ifsta->work);
		return 0;
		}


		static void ieee80211_sta_add_scan_ies(struct iw_request_info *info,
		struct ieee80211_sta_bss *bss,
		char *current_ev, char end_buf)
		{
		u8 pos, end, *next;
		struct iw_event iwe;

		if (bss == NULL \|\| bss->ies == NULL)
		return;

		/*
		* If needed, fragment the IEs buffer (at IE boundaries) into short
		* enough fragments to fit into IW_GENERIC_IE_MAX octet messages.
		*/
		pos = bss->ies;
		end = pos + bss->ies_len;

		while (end - pos > IW_GENERIC_IE_MAX) {
		next = pos + 2 + pos[1];
		while (next + 2 + next[1] - pos < IW_GENERIC_IE_MAX)
		next = next + 2 + next[1];

		memset(&iwe, 0, sizeof(iwe));
		iwe.cmd = IWEVGENIE;
		iwe.u.data.length = next - pos;
		current_ev = iwe_stream_add_point(info, current_ev,
		end_buf, &iwe, pos);

		pos = next;
		}

		if (end > pos) {
		memset(&iwe, 0, sizeof(iwe));
		iwe.cmd = IWEVGENIE;
		iwe.u.data.length = end - pos;
		current_ev = iwe_stream_add_point(info, current_ev,
		end_buf, &iwe, pos);
		}
		}


		static char *
		ieee80211_sta_scan_result(struct ieee80211_local *local,
		struct iw_request_info *info,
		struct ieee80211_sta_bss *bss,
		char current_ev, char end_buf)
		{
		struct iw_event iwe;
		char *buf;

		if (time_after(jiffies,
		bss->last_update + IEEE80211_SCAN_RESULT_EXPIRE))
		return current_ev;

		memset(&iwe, 0, sizeof(iwe));
		iwe.cmd = SIOCGIWAP;
		iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
		memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
		current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
		IW_EV_ADDR_LEN);

		memset(&iwe, 0, sizeof(iwe));
		iwe.cmd = SIOCGIWESSID;
		if (bss_mesh_cfg(bss)) {
		iwe.u.data.length = bss_mesh_id_len(bss);
		iwe.u.data.flags = 1;
		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
		&iwe, bss_mesh_id(bss));
		} else {
		iwe.u.data.length = bss->ssid_len;
		iwe.u.data.flags = 1;
		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
		&iwe, bss->ssid);
		}

		if (bss->capability & (WLAN_CAPABILITY_ESS \| WLAN_CAPABILITY_IBSS)
		\|\| bss_mesh_cfg(bss)) {
		memset(&iwe, 0, sizeof(iwe));
		iwe.cmd = SIOCGIWMODE;
		if (bss_mesh_cfg(bss))
		iwe.u.mode = IW_MODE_MESH;
		else if (bss->capability & WLAN_CAPABILITY_ESS)
		iwe.u.mode = IW_MODE_MASTER;
		else
		iwe.u.mode = IW_MODE_ADHOC;
		current_ev = iwe_stream_add_event(info, current_ev, end_buf,
		&iwe, IW_EV_UINT_LEN);
		}

		memset(&iwe, 0, sizeof(iwe));
		iwe.cmd = SIOCGIWFREQ;
		iwe.u.freq.m = ieee80211_frequency_to_channel(bss->freq);
		iwe.u.freq.e = 0;
		current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
		IW_EV_FREQ_LEN);

		memset(&iwe, 0, sizeof(iwe));
		iwe.cmd = SIOCGIWFREQ;
		iwe.u.freq.m = bss->freq;
		iwe.u.freq.e = 6;
		current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
		IW_EV_FREQ_LEN);
		memset(&iwe, 0, sizeof(iwe));
		iwe.cmd = IWEVQUAL;
		iwe.u.qual.qual = bss->qual;
		iwe.u.qual.level = bss->signal;
		iwe.u.qual.noise = bss->noise;
		iwe.u.qual.updated = local->wstats_flags;
		current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
		IW_EV_QUAL_LEN);

		memset(&iwe, 0, sizeof(iwe));
		iwe.cmd = SIOCGIWENCODE;
		if (bss->capability & WLAN_CAPABILITY_PRIVACY)
		iwe.u.data.flags = IW_ENCODE_ENABLED \| IW_ENCODE_NOKEY;
		else
		iwe.u.data.flags = IW_ENCODE_DISABLED;
		iwe.u.data.length = 0;
		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
		&iwe, "");

		ieee80211_sta_add_scan_ies(info, bss, &current_ev, end_buf);

		if (bss->supp_rates_len > 0) {
		/* display all supported rates in readable format */
		char *p = current_ev + iwe_stream_lcp_len(info);
		int i;

		memset(&iwe, 0, sizeof(iwe));
		iwe.cmd = SIOCGIWRATE;
		/* Those two flags are ignored... */
		iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;

		for (i = 0; i < bss->supp_rates_len; i++) {
		iwe.u.bitrate.value = ((bss->supp_rates[i] &
		0x7f) * 500000);
		p = iwe_stream_add_value(info, current_ev, p,
		end_buf, &iwe, IW_EV_PARAM_LEN);
		}
		current_ev = p;
		}

		buf = kmalloc(30, GFP_ATOMIC);
		if (buf) {
		memset(&iwe, 0, sizeof(iwe));
		iwe.cmd = IWEVCUSTOM;
		sprintf(buf, "tsf=%016llx", (unsigned long long)(bss->timestamp));
		iwe.u.data.length = strlen(buf);
		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
		&iwe, buf);
		memset(&iwe, 0, sizeof(iwe));
		iwe.cmd = IWEVCUSTOM;
		sprintf(buf, " Last beacon: %dms ago",
		jiffies_to_msecs(jiffies - bss->last_update));
		iwe.u.data.length = strlen(buf);
		current_ev = iwe_stream_add_point(info, current_ev,
		end_buf, &iwe, buf);
		kfree(buf);
		}

		if (bss_mesh_cfg(bss)) {
		u8 *cfg = bss_mesh_cfg(bss);
		buf = kmalloc(50, GFP_ATOMIC);
		if (buf) {
		memset(&iwe, 0, sizeof(iwe));
		iwe.cmd = IWEVCUSTOM;
		sprintf(buf, "Mesh network (version %d)", cfg[0]);
		iwe.u.data.length = strlen(buf);
		current_ev = iwe_stream_add_point(info, current_ev,
		end_buf,
		&iwe, buf);
		sprintf(buf, "Path Selection Protocol ID: "
		"0x%02X%02X%02X%02X", cfg[1], cfg[2], cfg[3],
		cfg[4]);
		iwe.u.data.length = strlen(buf);
		current_ev = iwe_stream_add_point(info, current_ev,
		end_buf,
		&iwe, buf);
		sprintf(buf, "Path Selection Metric ID: "
		"0x%02X%02X%02X%02X", cfg[5], cfg[6], cfg[7],
		cfg[8]);
		iwe.u.data.length = strlen(buf);
		current_ev = iwe_stream_add_point(info, current_ev,
		end_buf,
		&iwe, buf);
		sprintf(buf, "Congestion Control Mode ID: "
		"0x%02X%02X%02X%02X", cfg[9], cfg[10],
		cfg[11], cfg[12]);
		iwe.u.data.length = strlen(buf);
		current_ev = iwe_stream_add_point(info, current_ev,
		end_buf,
		&iwe, buf);
		sprintf(buf, "Channel Precedence: "
		"0x%02X%02X%02X%02X", cfg[13], cfg[14],
		cfg[15], cfg[16]);
		iwe.u.data.length = strlen(buf);
		current_ev = iwe_stream_add_point(info, current_ev,
		end_buf,
		&iwe, buf);
		kfree(buf);
		}
		}

		return current_ev;
		}


		int ieee80211_sta_scan_results(struct ieee80211_local *local,
		struct iw_request_info *info,
		char *buf, size_t len)
		{
		char *current_ev = buf;
		char *end_buf = buf + len;
		struct ieee80211_sta_bss *bss;

		spin_lock_bh(&local->sta_bss_lock);
		list_for_each_entry(bss, &local->sta_bss_list, list) {
		if (buf + len - current_ev <= IW_EV_ADDR_LEN) {
		spin_unlock_bh(&local->sta_bss_lock);
		return -E2BIG;
		}
		current_ev = ieee80211_sta_scan_result(local, info, bss,
		current_ev, end_buf);
		}
		spin_unlock_bh(&local->sta_bss_lock);
		return current_ev - buf;
		}


		int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data sdata, char ie, size_t len)
		{
		struct ieee80211_if_sta *ifsta = &sdata->u.sta;
		@@ -4290,3 +3749,17 @@ void ieee80211_sta_work(struct work_struct *work)
		WLAN_REASON_UNSPECIFIED);
		}
		}

		void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local)
		{
		struct ieee80211_sub_if_data *sdata = local->scan_sdata;
		struct ieee80211_if_sta *ifsta;

		if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
		ifsta = &sdata->u.sta;
		if (!(ifsta->flags & IEEE80211_STA_BSSID_SET) \|\|
		(!(ifsta->state == IEEE80211_STA_MLME_IBSS_JOINED) &&
		!ieee80211_sta_active_ibss(sdata)))
		ieee80211_sta_find_ibss(sdata, ifsta);
		}
		}

net/mac80211/scan.c

0 → 100644

+553 −0

File added.

Preview size limit exceeded, changes collapsed.