Merge 3.8-rc5 into tty-next

This resolves a number of tty driver merge issues found in linux-next

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 573 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c
new file mode 100644
index 000000000000..116f4e807ae1
--- /dev/null
+++ b/drivers/net/wireless/ath/wil6210/cfg80211.c
@@ -0,0 +1,573 @@
+/*
+ * Copyright (c) 2012 Qualcomm Atheros, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/kernel.h>
+#include <linux/netdevice.h>
+#include <linux/sched.h>
+#include <linux/etherdevice.h>
+#include <linux/wireless.h>
+#include <linux/ieee80211.h>
+#include <linux/slab.h>
+#include <linux/version.h>
+#include <net/cfg80211.h>
+
+#include "wil6210.h"
+#include "wmi.h"
+
+#define CHAN60G(_channel, _flags) {				\
+	.band			= IEEE80211_BAND_60GHZ,		\
+	.center_freq		= 56160 + (2160 * (_channel)),	\
+	.hw_value		= (_channel),			\
+	.flags			= (_flags),			\
+	.max_antenna_gain	= 0,				\
+	.max_power		= 40,				\
+}
+
+static struct ieee80211_channel wil_60ghz_channels[] = {
+	CHAN60G(1, 0),
+	CHAN60G(2, 0),
+	CHAN60G(3, 0),
+/* channel 4 not supported yet */
+};
+
+static struct ieee80211_supported_band wil_band_60ghz = {
+	.channels = wil_60ghz_channels,
+	.n_channels = ARRAY_SIZE(wil_60ghz_channels),
+	.ht_cap = {
+		.ht_supported = true,
+		.cap = 0, /* TODO */
+		.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */
+		.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */
+		.mcs = {
+				/* MCS 1..12 - SC PHY */
+			.rx_mask = {0xfe, 0x1f}, /* 1..12 */
+			.tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */
+		},
+	},
+};
+
+static const struct ieee80211_txrx_stypes
+wil_mgmt_stypes[NUM_NL80211_IFTYPES] = {
+	[NL80211_IFTYPE_STATION] = {
+		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+		BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
+		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
+	},
+	[NL80211_IFTYPE_AP] = {
+		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+		BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
+		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
+	},
+	[NL80211_IFTYPE_P2P_CLIENT] = {
+		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+		BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
+		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
+	},
+	[NL80211_IFTYPE_P2P_GO] = {
+		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+		BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
+		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
+	},
+};
+
+static const u32 wil_cipher_suites[] = {
+	WLAN_CIPHER_SUITE_GCMP,
+};
+
+int wil_iftype_nl2wmi(enum nl80211_iftype type)
+{
+	static const struct {
+		enum nl80211_iftype nl;
+		enum wmi_network_type wmi;
+	} __nl2wmi[] = {
+		{NL80211_IFTYPE_ADHOC,		WMI_NETTYPE_ADHOC},
+		{NL80211_IFTYPE_STATION,	WMI_NETTYPE_INFRA},
+		{NL80211_IFTYPE_AP,		WMI_NETTYPE_AP},
+		{NL80211_IFTYPE_P2P_CLIENT,	WMI_NETTYPE_P2P},
+		{NL80211_IFTYPE_P2P_GO,		WMI_NETTYPE_P2P},
+		{NL80211_IFTYPE_MONITOR,	WMI_NETTYPE_ADHOC}, /* FIXME */
+	};
+	uint i;
+
+	for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) {
+		if (__nl2wmi[i].nl == type)
+			return __nl2wmi[i].wmi;
+	}
+
+	return -EOPNOTSUPP;
+}
+
+static int wil_cfg80211_get_station(struct wiphy *wiphy,
+				    struct net_device *ndev,
+				    u8 *mac, struct station_info *sinfo)
+{
+	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+	int rc;
+	struct wmi_notify_req_cmd cmd = {
+		.cid = 0,
+		.interval_usec = 0,
+	};
+
+	if (memcmp(mac, wil->dst_addr[0], ETH_ALEN))
+		return -ENOENT;
+
+	/* WMI_NOTIFY_REQ_DONE_EVENTID handler fills wil->stats.bf_mcs */
+	rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd),
+		      WMI_NOTIFY_REQ_DONE_EVENTID, NULL, 0, 20);
+	if (rc)
+		return rc;
+
+	sinfo->generation = wil->sinfo_gen;
+
+	sinfo->filled |= STATION_INFO_TX_BITRATE;
+	sinfo->txrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
+	sinfo->txrate.mcs = wil->stats.bf_mcs;
+	sinfo->filled |= STATION_INFO_RX_BITRATE;
+	sinfo->rxrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
+	sinfo->rxrate.mcs = wil->stats.last_mcs_rx;
+
+	if (test_bit(wil_status_fwconnected, &wil->status)) {
+		sinfo->filled |= STATION_INFO_SIGNAL;
+		sinfo->signal = 12; /* TODO: provide real value */
+	}
+
+	return 0;
+}
+
+static int wil_cfg80211_change_iface(struct wiphy *wiphy,
+				     struct net_device *ndev,
+				     enum nl80211_iftype type, u32 *flags,
+				     struct vif_params *params)
+{
+	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+	struct wireless_dev *wdev = wil->wdev;
+
+	switch (type) {
+	case NL80211_IFTYPE_STATION:
+	case NL80211_IFTYPE_AP:
+	case NL80211_IFTYPE_P2P_CLIENT:
+	case NL80211_IFTYPE_P2P_GO:
+		break;
+	case NL80211_IFTYPE_MONITOR:
+		if (flags)
+			wil->monitor_flags = *flags;
+		else
+			wil->monitor_flags = 0;
+
+		break;
+	default:
+		return -EOPNOTSUPP;
+	}
+
+	wdev->iftype = type;
+
+	return 0;
+}
+
+static int wil_cfg80211_scan(struct wiphy *wiphy,
+			     struct cfg80211_scan_request *request)
+{
+	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+	struct wireless_dev *wdev = wil->wdev;
+	struct {
+		struct wmi_start_scan_cmd cmd;
+		u16 chnl[4];
+	} __packed cmd;
+	uint i, n;
+
+	if (wil->scan_request) {
+		wil_err(wil, "Already scanning\n");
+		return -EAGAIN;
+	}
+
+	/* check we are client side */
+	switch (wdev->iftype) {
+	case NL80211_IFTYPE_STATION:
+	case NL80211_IFTYPE_P2P_CLIENT:
+		break;
+	default:
+		return -EOPNOTSUPP;
+
+	}
+
+	/* FW don't support scan after connection attempt */
+	if (test_bit(wil_status_dontscan, &wil->status)) {
+		wil_err(wil, "Scan after connect attempt not supported\n");
+		return -EBUSY;
+	}
+
+	wil->scan_request = request;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.cmd.num_channels = 0;
+	n = min(request->n_channels, 4U);
+	for (i = 0; i < n; i++) {
+		int ch = request->channels[i]->hw_value;
+		if (ch == 0) {
+			wil_err(wil,
+				"Scan requested for unknown frequency %dMhz\n",
+				request->channels[i]->center_freq);
+			continue;
+		}
+		/* 0-based channel indexes */
+		cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1;
+		wil_dbg(wil, "Scan for ch %d  : %d MHz\n", ch,
+			request->channels[i]->center_freq);
+	}
+
+	return wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) +
+			cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0]));
+}
+
+static int wil_cfg80211_connect(struct wiphy *wiphy,
+				struct net_device *ndev,
+				struct cfg80211_connect_params *sme)
+{
+	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+	struct cfg80211_bss *bss;
+	struct wmi_connect_cmd conn;
+	const u8 *ssid_eid;
+	const u8 *rsn_eid;
+	int ch;
+	int rc = 0;
+
+	bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
+			       sme->ssid, sme->ssid_len,
+			       WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
+	if (!bss) {
+		wil_err(wil, "Unable to find BSS\n");
+		return -ENOENT;
+	}
+
+	ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
+	if (!ssid_eid) {
+		wil_err(wil, "No SSID\n");
+		rc = -ENOENT;
+		goto out;
+	}
+
+	rsn_eid = sme->ie ?
+			cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) :
+			NULL;
+	if (rsn_eid) {
+		if (sme->ie_len > WMI_MAX_IE_LEN) {
+			rc = -ERANGE;
+			wil_err(wil, "IE too large (%td bytes)\n",
+				sme->ie_len);
+			goto out;
+		}
+		/*
+		 * For secure assoc, send:
+		 * (1) WMI_DELETE_CIPHER_KEY_CMD
+		 * (2) WMI_SET_APPIE_CMD
+		 */
+		rc = wmi_del_cipher_key(wil, 0, bss->bssid);
+		if (rc) {
+			wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD failed\n");
+			goto out;
+		}
+		/* WMI_SET_APPIE_CMD */
+		rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie);
+		if (rc) {
+			wil_err(wil, "WMI_SET_APPIE_CMD failed\n");
+			goto out;
+		}
+	}
+
+	/* WMI_CONNECT_CMD */
+	memset(&conn, 0, sizeof(conn));
+	switch (bss->capability & 0x03) {
+	case WLAN_CAPABILITY_DMG_TYPE_AP:
+		conn.network_type = WMI_NETTYPE_INFRA;
+		break;
+	case WLAN_CAPABILITY_DMG_TYPE_PBSS:
+		conn.network_type = WMI_NETTYPE_P2P;
+		break;
+	default:
+		wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n",
+			bss->capability);
+		goto out;
+	}
+	if (rsn_eid) {
+		conn.dot11_auth_mode = WMI_AUTH11_SHARED;
+		conn.auth_mode = WMI_AUTH_WPA2_PSK;
+		conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
+		conn.pairwise_crypto_len = 16;
+	} else {
+		conn.dot11_auth_mode = WMI_AUTH11_OPEN;
+		conn.auth_mode = WMI_AUTH_NONE;
+	}
+
+	conn.ssid_len = min_t(u8, ssid_eid[1], 32);
+	memcpy(conn.ssid, ssid_eid+2, conn.ssid_len);
+
+	ch = bss->channel->hw_value;
+	if (ch == 0) {
+		wil_err(wil, "BSS at unknown frequency %dMhz\n",
+			bss->channel->center_freq);
+		rc = -EOPNOTSUPP;
+		goto out;
+	}
+	conn.channel = ch - 1;
+
+	memcpy(conn.bssid, bss->bssid, 6);
+	memcpy(conn.dst_mac, bss->bssid, 6);
+	/*
+	 * FW don't support scan after connection attempt
+	 */
+	set_bit(wil_status_dontscan, &wil->status);
+
+	rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn));
+	if (rc == 0) {
+		/* Connect can take lots of time */
+		mod_timer(&wil->connect_timer,
+			  jiffies + msecs_to_jiffies(2000));
+	}
+
+ out:
+	cfg80211_put_bss(bss);
+
+	return rc;
+}
+
+static int wil_cfg80211_disconnect(struct wiphy *wiphy,
+				   struct net_device *ndev,
+				   u16 reason_code)
+{
+	int rc;
+	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+
+	rc = wmi_send(wil, WMI_DISCONNECT_CMDID, NULL, 0);
+
+	return rc;
+}
+
+static int wil_cfg80211_set_channel(struct wiphy *wiphy,
+				    struct cfg80211_chan_def *chandef)
+{
+	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+	struct wireless_dev *wdev = wil->wdev;
+
+	wdev->preset_chandef = *chandef;
+
+	return 0;
+}
+
+static int wil_cfg80211_add_key(struct wiphy *wiphy,
+				struct net_device *ndev,
+				u8 key_index, bool pairwise,
+				const u8 *mac_addr,
+				struct key_params *params)
+{
+	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+
+	/* group key is not used */
+	if (!pairwise)
+		return 0;
+
+	return wmi_add_cipher_key(wil, key_index, mac_addr,
+				  params->key_len, params->key);
+}
+
+static int wil_cfg80211_del_key(struct wiphy *wiphy,
+				struct net_device *ndev,
+				u8 key_index, bool pairwise,
+				const u8 *mac_addr)
+{
+	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+
+	/* group key is not used */
+	if (!pairwise)
+		return 0;
+
+	return wmi_del_cipher_key(wil, key_index, mac_addr);
+}
+
+/* Need to be present or wiphy_new() will WARN */
+static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
+					struct net_device *ndev,
+					u8 key_index, bool unicast,
+					bool multicast)
+{
+	return 0;
+}
+
+static int wil_cfg80211_start_ap(struct wiphy *wiphy,
+				 struct net_device *ndev,
+				 struct cfg80211_ap_settings *info)
+{
+	int rc = 0;
+	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+	struct wireless_dev *wdev = ndev->ieee80211_ptr;
+	struct ieee80211_channel *channel = info->chandef.chan;
+	struct cfg80211_beacon_data *bcon = &info->beacon;
+	u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
+
+	if (!channel) {
+		wil_err(wil, "AP: No channel???\n");
+		return -EINVAL;
+	}
+
+	wil_dbg(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value,
+		channel->center_freq, info->privacy ? "secure" : "open");
+	print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET,
+			     info->ssid, info->ssid_len);
+
+	rc = wil_reset(wil);
+	if (rc)
+		return rc;
+
+	rc = wmi_set_ssid(wil, info->ssid_len, info->ssid);
+	if (rc)
+		return rc;
+
+	rc = wmi_set_channel(wil, channel->hw_value);
+	if (rc)
+		return rc;
+
+	/* MAC address - pre-requisite for other commands */
+	wmi_set_mac_address(wil, ndev->dev_addr);
+
+	/* IE's */
+	/* bcon 'head IE's are not relevant for 60g band */
+	wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->beacon_ies_len,
+		   bcon->beacon_ies);
+	wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, bcon->proberesp_ies_len,
+		   bcon->proberesp_ies);
+	wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, bcon->assocresp_ies_len,
+		   bcon->assocresp_ies);
+
+	wil->secure_pcp = info->privacy;
+
+	rc = wmi_set_bcon(wil, info->beacon_interval, wmi_nettype);
+	if (rc)
+		return rc;
+
+	/* Rx VRING. After MAC and beacon */
+	rc = wil_rx_init(wil);
+
+	netif_carrier_on(ndev);
+
+	return rc;
+}
+
+static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
+				struct net_device *ndev)
+{
+	int rc = 0;
+	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+	struct wireless_dev *wdev = ndev->ieee80211_ptr;
+	u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
+
+	/* To stop beaconing, set BI to 0 */
+	rc = wmi_set_bcon(wil, 0, wmi_nettype);
+
+	return rc;
+}
+
+static struct cfg80211_ops wil_cfg80211_ops = {
+	.scan = wil_cfg80211_scan,
+	.connect = wil_cfg80211_connect,
+	.disconnect = wil_cfg80211_disconnect,
+	.change_virtual_intf = wil_cfg80211_change_iface,
+	.get_station = wil_cfg80211_get_station,
+	.set_monitor_channel = wil_cfg80211_set_channel,
+	.add_key = wil_cfg80211_add_key,
+	.del_key = wil_cfg80211_del_key,
+	.set_default_key = wil_cfg80211_set_default_key,
+	/* AP mode */
+	.start_ap = wil_cfg80211_start_ap,
+	.stop_ap = wil_cfg80211_stop_ap,
+};
+
+static void wil_wiphy_init(struct wiphy *wiphy)
+{
+	/* TODO: set real value */
+	wiphy->max_scan_ssids = 10;
+	wiphy->max_num_pmkids = 0 /* TODO: */;
+	wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
+				 BIT(NL80211_IFTYPE_AP) |
+				 BIT(NL80211_IFTYPE_MONITOR);
+	/* TODO: enable P2P when integrated with supplicant:
+	 * BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO)
+	 */
+	wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
+			WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
+	dev_warn(wiphy_dev(wiphy), "%s : flags = 0x%08x\n",
+		 __func__, wiphy->flags);
+	wiphy->probe_resp_offload =
+		NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
+		NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
+		NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
+
+	wiphy->bands[IEEE80211_BAND_60GHZ] = &wil_band_60ghz;
+
+	/* TODO: figure this out */
+	wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
+
+	wiphy->cipher_suites = wil_cipher_suites;
+	wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites);
+	wiphy->mgmt_stypes = wil_mgmt_stypes;
+}
+
+struct wireless_dev *wil_cfg80211_init(struct device *dev)
+{
+	int rc = 0;
+	struct wireless_dev *wdev;
+
+	wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
+	if (!wdev)
+		return ERR_PTR(-ENOMEM);
+
+	wdev->wiphy = wiphy_new(&wil_cfg80211_ops,
+				sizeof(struct wil6210_priv));
+	if (!wdev->wiphy) {
+		rc = -ENOMEM;
+		goto out;
+	}
+
+	set_wiphy_dev(wdev->wiphy, dev);
+	wil_wiphy_init(wdev->wiphy);
+
+	rc = wiphy_register(wdev->wiphy);
+	if (rc < 0)
+		goto out_failed_reg;
+
+	return wdev;
+
+out_failed_reg:
+	wiphy_free(wdev->wiphy);
+out:
+	kfree(wdev);
+
+	return ERR_PTR(rc);
+}
+
+void wil_wdev_free(struct wil6210_priv *wil)
+{
+	struct wireless_dev *wdev = wil_to_wdev(wil);
+
+	if (!wdev)
+		return;
+
+	wiphy_unregister(wdev->wiphy);
+	wiphy_free(wdev->wiphy);
+	kfree(wdev);
+}