Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem

1 files changed, 369 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-mac.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-mac.h
new file mode 100644
index 000000000000..ae39b7dfda7b
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-mac.h
@@ -0,0 +1,369 @@
+/******************************************************************************
+ *
+ * This file is provided under a dual BSD/GPLv2 license.  When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
+ * USA
+ *
+ * The full GNU General Public License is included in this distribution
+ * in the file called LICENSE.GPL.
+ *
+ * Contact Information:
+ *  Intel Linux Wireless <ilw@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *  * Neither the name Intel Corporation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+
+#ifndef __fw_api_mac_h__
+#define __fw_api_mac_h__
+
+/*
+ * The first MAC indices (starting from 0)
+ * are available to the driver, AUX follows
+ */
+#define MAC_INDEX_AUX		4
+#define MAC_INDEX_MIN_DRIVER	0
+#define NUM_MAC_INDEX_DRIVER	MAC_INDEX_AUX
+
+#define AC_NUM	4 /* Number of access categories */
+
+/**
+ * enum iwl_mac_protection_flags - MAC context flags
+ * @MAC_PROT_FLG_TGG_PROTECT: 11g protection when transmitting OFDM frames,
+ *	this will require CCK RTS/CTS2self.
+ *	RTS/CTS will protect full burst time.
+ * @MAC_PROT_FLG_HT_PROT: enable HT protection
+ * @MAC_PROT_FLG_FAT_PROT: protect 40 MHz transmissions
+ * @MAC_PROT_FLG_SELF_CTS_EN: allow CTS2self
+ */
+enum iwl_mac_protection_flags {
+	MAC_PROT_FLG_TGG_PROTECT	= BIT(3),
+	MAC_PROT_FLG_HT_PROT		= BIT(23),
+	MAC_PROT_FLG_FAT_PROT		= BIT(24),
+	MAC_PROT_FLG_SELF_CTS_EN	= BIT(30),
+};
+
+#define MAC_FLG_SHORT_SLOT		BIT(4)
+#define MAC_FLG_SHORT_PREAMBLE		BIT(5)
+
+/**
+ * enum iwl_mac_types - Supported MAC types
+ * @FW_MAC_TYPE_FIRST: lowest supported MAC type
+ * @FW_MAC_TYPE_AUX: Auxiliary MAC (internal)
+ * @FW_MAC_TYPE_LISTENER: monitor MAC type (?)
+ * @FW_MAC_TYPE_PIBSS: Pseudo-IBSS
+ * @FW_MAC_TYPE_IBSS: IBSS
+ * @FW_MAC_TYPE_BSS_STA: BSS (managed) station
+ * @FW_MAC_TYPE_P2P_DEVICE: P2P Device
+ * @FW_MAC_TYPE_P2P_STA: P2P client
+ * @FW_MAC_TYPE_GO: P2P GO
+ * @FW_MAC_TYPE_TEST: ?
+ * @FW_MAC_TYPE_MAX: highest support MAC type
+ */
+enum iwl_mac_types {
+	FW_MAC_TYPE_FIRST = 1,
+	FW_MAC_TYPE_AUX = FW_MAC_TYPE_FIRST,
+	FW_MAC_TYPE_LISTENER,
+	FW_MAC_TYPE_PIBSS,
+	FW_MAC_TYPE_IBSS,
+	FW_MAC_TYPE_BSS_STA,
+	FW_MAC_TYPE_P2P_DEVICE,
+	FW_MAC_TYPE_P2P_STA,
+	FW_MAC_TYPE_GO,
+	FW_MAC_TYPE_TEST,
+	FW_MAC_TYPE_MAX = FW_MAC_TYPE_TEST
+}; /* MAC_CONTEXT_TYPE_API_E_VER_1 */
+
+/**
+ * enum iwl_tsf_id - TSF hw timer ID
+ * @TSF_ID_A: use TSF A
+ * @TSF_ID_B: use TSF B
+ * @TSF_ID_C: use TSF C
+ * @TSF_ID_D: use TSF D
+ * @NUM_TSF_IDS: number of TSF timers available
+ */
+enum iwl_tsf_id {
+	TSF_ID_A = 0,
+	TSF_ID_B = 1,
+	TSF_ID_C = 2,
+	TSF_ID_D = 3,
+	NUM_TSF_IDS = 4,
+}; /* TSF_ID_API_E_VER_1 */
+
+/**
+ * struct iwl_mac_data_ap - configuration data for AP MAC context
+ * @beacon_time: beacon transmit time in system time
+ * @beacon_tsf: beacon transmit time in TSF
+ * @bi: beacon interval in TU
+ * @bi_reciprocal: 2^32 / bi
+ * @dtim_interval: dtim transmit time in TU
+ * @dtim_reciprocal: 2^32 / dtim_interval
+ * @mcast_qid: queue ID for multicast traffic
+ * @beacon_template: beacon template ID
+ */
+struct iwl_mac_data_ap {
+	__le32 beacon_time;
+	__le64 beacon_tsf;
+	__le32 bi;
+	__le32 bi_reciprocal;
+	__le32 dtim_interval;
+	__le32 dtim_reciprocal;
+	__le32 mcast_qid;
+	__le32 beacon_template;
+} __packed; /* AP_MAC_DATA_API_S_VER_1 */
+
+/**
+ * struct iwl_mac_data_ibss - configuration data for IBSS MAC context
+ * @beacon_time: beacon transmit time in system time
+ * @beacon_tsf: beacon transmit time in TSF
+ * @bi: beacon interval in TU
+ * @bi_reciprocal: 2^32 / bi
+ */
+struct iwl_mac_data_ibss {
+	__le32 beacon_time;
+	__le64 beacon_tsf;
+	__le32 bi;
+	__le32 bi_reciprocal;
+} __packed; /* IBSS_MAC_DATA_API_S_VER_1 */
+
+/**
+ * struct iwl_mac_data_sta - configuration data for station MAC context
+ * @is_assoc: 1 for associated state, 0 otherwise
+ * @dtim_time: DTIM arrival time in system time
+ * @dtim_tsf: DTIM arrival time in TSF
+ * @bi: beacon interval in TU, applicable only when associated
+ * @bi_reciprocal: 2^32 / bi , applicable only when associated
+ * @dtim_interval: DTIM interval in TU, applicable only when associated
+ * @dtim_reciprocal: 2^32 / dtim_interval , applicable only when associated
+ * @listen_interval: in beacon intervals, applicable only when associated
+ * @assoc_id: unique ID assigned by the AP during association
+ */
+struct iwl_mac_data_sta {
+	__le32 is_assoc;
+	__le32 dtim_time;
+	__le64 dtim_tsf;
+	__le32 bi;
+	__le32 bi_reciprocal;
+	__le32 dtim_interval;
+	__le32 dtim_reciprocal;
+	__le32 listen_interval;
+	__le32 assoc_id;
+	__le32 assoc_beacon_arrive_time;
+} __packed; /* STA_MAC_DATA_API_S_VER_1 */
+
+/**
+ * struct iwl_mac_data_go - configuration data for P2P GO MAC context
+ * @ap: iwl_mac_data_ap struct with most config data
+ * @ctwin: client traffic window in TU (period after TBTT when GO is present).
+ *	0 indicates that there is no CT window.
+ * @opp_ps_enabled: indicate that opportunistic PS allowed
+ */
+struct iwl_mac_data_go {
+	struct iwl_mac_data_ap ap;
+	__le32 ctwin;
+	__le32 opp_ps_enabled;
+} __packed; /* GO_MAC_DATA_API_S_VER_1 */
+
+/**
+ * struct iwl_mac_data_p2p_sta - configuration data for P2P client MAC context
+ * @sta: iwl_mac_data_sta struct with most config data
+ * @ctwin: client traffic window in TU (period after TBTT when GO is present).
+ *	0 indicates that there is no CT window.
+ */
+struct iwl_mac_data_p2p_sta {
+	struct iwl_mac_data_sta sta;
+	__le32 ctwin;
+} __packed; /* P2P_STA_MAC_DATA_API_S_VER_1 */
+
+/**
+ * struct iwl_mac_data_pibss - Pseudo IBSS config data
+ * @stats_interval: interval in TU between statistics notifications to host.
+ */
+struct iwl_mac_data_pibss {
+	__le32 stats_interval;
+} __packed; /* PIBSS_MAC_DATA_API_S_VER_1 */
+
+/*
+ * struct iwl_mac_data_p2p_dev - configuration data for the P2P Device MAC
+ * context.
+ * @is_disc_extended: if set to true, P2P Device discoverability is enabled on
+ *	other channels as well. This should be to true only in case that the
+ *	device is discoverable and there is an active GO. Note that setting this
+ *	field when not needed, will increase the number of interrupts and have
+ *	effect on the platform power, as this setting opens the Rx filters on
+ *	all macs.
+ */
+struct iwl_mac_data_p2p_dev {
+	__le32 is_disc_extended;
+} __packed; /* _P2P_DEV_MAC_DATA_API_S_VER_1 */
+
+/**
+ * enum iwl_mac_filter_flags - MAC context filter flags
+ * @MAC_FILTER_IN_PROMISC: accept all data frames
+ * @MAC_FILTER_IN_CONTROL_AND_MGMT: pass all mangement and
+ *	control frames to the host
+ * @MAC_FILTER_ACCEPT_GRP: accept multicast frames
+ * @MAC_FILTER_DIS_DECRYPT: don't decrypt unicast frames
+ * @MAC_FILTER_DIS_GRP_DECRYPT: don't decrypt multicast frames
+ * @MAC_FILTER_IN_BEACON: transfer foreign BSS's beacons to host
+ *	(in station mode when associated)
+ * @MAC_FILTER_OUT_BCAST: filter out all broadcast frames
+ * @MAC_FILTER_IN_CRC32: extract FCS and append it to frames
+ * @MAC_FILTER_IN_PROBE_REQUEST: pass probe requests to host
+ */
+enum iwl_mac_filter_flags {
+	MAC_FILTER_IN_PROMISC		= BIT(0),
+	MAC_FILTER_IN_CONTROL_AND_MGMT	= BIT(1),
+	MAC_FILTER_ACCEPT_GRP		= BIT(2),
+	MAC_FILTER_DIS_DECRYPT		= BIT(3),
+	MAC_FILTER_DIS_GRP_DECRYPT	= BIT(4),
+	MAC_FILTER_IN_BEACON		= BIT(6),
+	MAC_FILTER_OUT_BCAST		= BIT(8),
+	MAC_FILTER_IN_CRC32		= BIT(11),
+	MAC_FILTER_IN_PROBE_REQUEST	= BIT(12),
+};
+
+/**
+ * enum iwl_mac_qos_flags - QoS flags
+ * @MAC_QOS_FLG_UPDATE_EDCA: ?
+ * @MAC_QOS_FLG_TGN: HT is enabled
+ * @MAC_QOS_FLG_TXOP_TYPE: ?
+ *
+ */
+enum iwl_mac_qos_flags {
+	MAC_QOS_FLG_UPDATE_EDCA	= BIT(0),
+	MAC_QOS_FLG_TGN		= BIT(1),
+	MAC_QOS_FLG_TXOP_TYPE	= BIT(4),
+};
+
+/**
+ * struct iwl_ac_qos - QOS timing params for MAC_CONTEXT_CMD
+ * @cw_min: Contention window, start value in numbers of slots.
+ *	Should be a power-of-2, minus 1.  Device's default is 0x0f.
+ * @cw_max: Contention window, max value in numbers of slots.
+ *	Should be a power-of-2, minus 1.  Device's default is 0x3f.
+ * @aifsn:  Number of slots in Arbitration Interframe Space (before
+ *	performing random backoff timing prior to Tx).  Device default 1.
+ * @fifos_mask: FIFOs used by this MAC for this AC
+ * @edca_txop:  Length of Tx opportunity, in uSecs.  Device default is 0.
+ *
+ * One instance of this config struct for each of 4 EDCA access categories
+ * in struct iwl_qosparam_cmd.
+ *
+ * Device will automatically increase contention window by (2*CW) + 1 for each
+ * transmission retry.  Device uses cw_max as a bit mask, ANDed with new CW
+ * value, to cap the CW value.
+ */
+struct iwl_ac_qos {
+	__le16 cw_min;
+	__le16 cw_max;
+	u8 aifsn;
+	u8 fifos_mask;
+	__le16 edca_txop;
+} __packed; /* AC_QOS_API_S_VER_2 */
+
+/**
+ * struct iwl_mac_ctx_cmd - command structure to configure MAC contexts
+ * ( MAC_CONTEXT_CMD = 0x28 )
+ * @id_and_color: ID and color of the MAC
+ * @action: action to perform, one of FW_CTXT_ACTION_*
+ * @mac_type: one of FW_MAC_TYPE_*
+ * @tsd_id: TSF HW timer, one of TSF_ID_*
+ * @node_addr: MAC address
+ * @bssid_addr: BSSID
+ * @cck_rates: basic rates available for CCK
+ * @ofdm_rates: basic rates available for OFDM
+ * @protection_flags: combination of MAC_PROT_FLG_FLAG_*
+ * @cck_short_preamble: 0x20 for enabling short preamble, 0 otherwise
+ * @short_slot: 0x10 for enabling short slots, 0 otherwise
+ * @filter_flags: combination of MAC_FILTER_*
+ * @qos_flags: from MAC_QOS_FLG_*
+ * @ac: one iwl_mac_qos configuration for each AC
+ * @mac_specific: one of struct iwl_mac_data_*, according to mac_type
+ */
+struct iwl_mac_ctx_cmd {
+	/* COMMON_INDEX_HDR_API_S_VER_1 */
+	__le32 id_and_color;
+	__le32 action;
+	/* MAC_CONTEXT_COMMON_DATA_API_S_VER_1 */
+	__le32 mac_type;
+	__le32 tsf_id;
+	u8 node_addr[6];
+	__le16 reserved_for_node_addr;
+	u8 bssid_addr[6];
+	__le16 reserved_for_bssid_addr;
+	__le32 cck_rates;
+	__le32 ofdm_rates;
+	__le32 protection_flags;
+	__le32 cck_short_preamble;
+	__le32 short_slot;
+	__le32 filter_flags;
+	/* MAC_QOS_PARAM_API_S_VER_1 */
+	__le32 qos_flags;
+	struct iwl_ac_qos ac[AC_NUM+1];
+	/* MAC_CONTEXT_COMMON_DATA_API_S */
+	union {
+		struct iwl_mac_data_ap ap;
+		struct iwl_mac_data_go go;
+		struct iwl_mac_data_sta sta;
+		struct iwl_mac_data_p2p_sta p2p_sta;
+		struct iwl_mac_data_p2p_dev p2p_dev;
+		struct iwl_mac_data_pibss pibss;
+		struct iwl_mac_data_ibss ibss;
+	};
+} __packed; /* MAC_CONTEXT_CMD_API_S_VER_1 */
+
+static inline u32 iwl_mvm_reciprocal(u32 v)
+{
+	if (!v)
+		return 0;
+	return 0xFFFFFFFF / v;
+}
+
+#endif /* __fw_api_mac_h__ */