path: root/drivers/net/wireless/ath/wil6210/cfg80211.c

/*
 * Copyright (c) 2012-2015 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 "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;
}

int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid,
		       struct station_info *sinfo)
{
	struct wmi_notify_req_cmd cmd = {
		.cid = cid,
		.interval_usec = 0,
	};
	struct {
		struct wil6210_mbox_hdr_wmi wmi;
		struct wmi_notify_req_done_event evt;
	} __packed reply;
	struct wil_net_stats *stats = &wil->sta[cid].stats;
	int rc;

	rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd),
		      WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20);
	if (rc)
		return rc;

	wil_dbg_wmi(wil, "Link status for CID %d: {\n"
		    "  MCS %d TSF 0x%016llx\n"
		    "  BF status 0x%08x SNR 0x%08x SQI %d%%\n"
		    "  Tx Tpt %d goodput %d Rx goodput %d\n"
		    "  Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n",
		    cid, le16_to_cpu(reply.evt.bf_mcs),
		    le64_to_cpu(reply.evt.tsf), reply.evt.status,
		    le32_to_cpu(reply.evt.snr_val),
		    reply.evt.sqi,
		    le32_to_cpu(reply.evt.tx_tpt),
		    le32_to_cpu(reply.evt.tx_goodput),
		    le32_to_cpu(reply.evt.rx_goodput),
		    le16_to_cpu(reply.evt.my_rx_sector),
		    le16_to_cpu(reply.evt.my_tx_sector),
		    le16_to_cpu(reply.evt.other_rx_sector),
		    le16_to_cpu(reply.evt.other_tx_sector));

	sinfo->generation = wil->sinfo_gen;

	sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) |
			BIT(NL80211_STA_INFO_TX_BYTES) |
			BIT(NL80211_STA_INFO_RX_PACKETS) |
			BIT(NL80211_STA_INFO_TX_PACKETS) |
			BIT(NL80211_STA_INFO_RX_BITRATE) |
			BIT(NL80211_STA_INFO_TX_BITRATE) |
			BIT(NL80211_STA_INFO_RX_DROP_MISC) |
			BIT(NL80211_STA_INFO_TX_FAILED);

	sinfo->txrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
	sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs);
	sinfo->rxrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
	sinfo->rxrate.mcs = stats->last_mcs_rx;
	sinfo->