iwmc3200wifi: Add new Intel Wireless Multicomm 802.11 driver

This driver supports Intel's full MAC wireless multicomm 802.11 hardware.
Although the hardware is a 802.11agn device, we currently only support
802.11ag, in managed and ad-hoc mode (no AP mode for now).

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Samuel Ortiz <samuel.ortiz@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 419 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwmc3200wifi/commands.h b/drivers/net/wireless/iwmc3200wifi/commands.h
new file mode 100644
index 00000000000..36b13a13059
--- /dev/null
+++ b/drivers/net/wireless/iwmc3200wifi/commands.h
@@ -0,0 +1,419 @@
+/*
+ * Intel Wireless Multicomm 3200 WiFi driver
+ *
+ * Copyright (C) 2009 Intel Corporation. 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 of 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.
+ *
+ *
+ * Intel Corporation <ilw@linux.intel.com>
+ * Samuel Ortiz <samuel.ortiz@intel.com>
+ * Zhu Yi <yi.zhu@intel.com>
+ *
+ */
+
+#ifndef __IWM_COMMANDS_H__
+#define __IWM_COMMANDS_H__
+
+#include <linux/ieee80211.h>
+
+#define IWM_BARKER_REBOOT_NOTIFICATION	0xF
+#define IWM_ACK_BARKER_NOTIFICATION	0x10
+
+/* UMAC commands */
+#define UMAC_RST_CTRL_FLG_LARC_CLK_EN	0x0001
+#define UMAC_RST_CTRL_FLG_LARC_RESET	0x0002
+#define UMAC_RST_CTRL_FLG_FUNC_RESET	0x0004
+#define UMAC_RST_CTRL_FLG_DEV_RESET	0x0008
+#define UMAC_RST_CTRL_FLG_WIFI_CORE_EN	0x0010
+#define UMAC_RST_CTRL_FLG_WIFI_LINK_EN	0x0040
+#define UMAC_RST_CTRL_FLG_WIFI_MLME_EN	0x0080
+#define UMAC_RST_CTRL_FLG_NVM_RELOAD	0x0100
+
+struct iwm_umac_cmd_reset {
+	__le32 flags;
+} __attribute__ ((packed));
+
+#define UMAC_PARAM_TBL_ORD_FIX    0x0
+#define UMAC_PARAM_TBL_ORD_VAR    0x1
+#define UMAC_PARAM_TBL_CFG_FIX    0x2
+#define UMAC_PARAM_TBL_CFG_VAR    0x3
+#define UMAC_PARAM_TBL_BSS_TRK    0x4
+#define UMAC_PARAM_TBL_FA_CFG_FIX 0x5
+#define UMAC_PARAM_TBL_STA        0x6
+#define UMAC_PARAM_TBL_CHN        0x7
+#define UMAC_PARAM_TBL_STATISTICS 0x8
+
+/* fast access table */
+enum {
+	CFG_FRAG_THRESHOLD = 0,
+	CFG_FRAME_RETRY_LIMIT,
+	CFG_OS_QUEUE_UTIL_TH,
+	CFG_RX_FILTER,
+	/* <-- LAST --> */
+	FAST_ACCESS_CFG_TBL_FIX_LAST
+};
+
+/* fixed size table */
+enum {
+	CFG_POWER_INDEX = 0,
+	CFG_PM_LEGACY_RX_TIMEOUT,
+	CFG_PM_LEGACY_TX_TIMEOUT,
+	CFG_PM_CTRL_FLAGS,
+	CFG_PM_KEEP_ALIVE_IN_BEACONS,
+	CFG_BT_ON_THRESHOLD,
+	CFG_RTS_THRESHOLD,
+	CFG_CTS_TO_SELF,
+	CFG_COEX_MODE,
+	CFG_WIRELESS_MODE,
+	CFG_ASSOCIATION_TIMEOUT,
+	CFG_ROAM_TIMEOUT,
+	CFG_CAPABILITY_SUPPORTED_RATES,
+	CFG_SCAN_ALLOWED_UNASSOC_FLAGS,
+	CFG_SCAN_ALLOWED_MAIN_ASSOC_FLAGS,
+	CFG_SCAN_ALLOWED_PAN_ASSOC_FLAGS,
+	CFG_SCAN_INTERNAL_PERIODIC_ENABLED,
+	CFG_SCAN_IMM_INTERNAL_PERIODIC_SCAN_ON_INIT,
+	CFG_SCAN_DEFAULT_PERIODIC_FREQ_SEC,
+	CFG_SCAN_NUM_PASSIVE_CHAN_PER_PARTIAL_SCAN,
+	CFG_TLC_SUPPORTED_TX_HT_RATES,
+	CFG_TLC_SUPPORTED_TX_RATES,
+	CFG_TLC_VALID_ANTENNA,
+	CFG_TLC_SPATIAL_STREAM_SUPPORTED,
+	CFG_TLC_RETRY_PER_RATE,
+	CFG_TLC_RETRY_PER_HT_RATE,
+	CFG_TLC_FIXED_RATE,
+	CFG_TLC_FIXED_RATE_FLAGS,
+	CFG_TLC_CONTROL_FLAGS,
+	CFG_TLC_SR_MIN_FAIL,
+	CFG_TLC_SR_MIN_PASS,
+	CFG_TLC_HT_STAY_IN_COL_PASS_THRESH,
+	CFG_TLC_HT_STAY_IN_COL_FAIL_THRESH,
+	CFG_TLC_LEGACY_STAY_IN_COL_PASS_THRESH,
+	CFG_TLC_LEGACY_STAY_IN_COL_FAIL_THRESH,
+	CFG_TLC_HT_FLUSH_STATS_PACKETS,
+	CFG_TLC_LEGACY_FLUSH_STATS_PACKETS,
+	CFG_TLC_LEGACY_FLUSH_STATS_MS,
+	CFG_TLC_HT_FLUSH_STATS_MS,
+	CFG_TLC_STAY_IN_COL_TIME_OUT,
+	CFG_TLC_AGG_SHORT_LIM,
+	CFG_TLC_AGG_LONG_LIM,
+	CFG_TLC_HT_SR_NO_DECREASE,
+	CFG_TLC_LEGACY_SR_NO_DECREASE,
+	CFG_TLC_SR_FORCE_DECREASE,
+	CFG_TLC_SR_ALLOW_INCREASE,
+	CFG_TLC_AGG_SET_LONG,
+	CFG_TLC_AUTO_AGGREGATION,
+	CFG_TLC_AGG_THRESHOLD,
+	CFG_TLC_TID_LOAD_THRESHOLD,
+	CFG_TLC_BLOCK_ACK_TIMEOUT,
+	CFG_TLC_NO_BA_COUNTED_AS_ONE,
+	CFG_TLC_NUM_BA_STREAMS_ALLOWED,
+	CFG_TLC_NUM_BA_STREAMS_PRESENT,
+	CFG_TLC_RENEW_ADDBA_DELAY,
+	CFG_TLC_NUM_OF_MULTISEC_TO_COUN_LOAD,
+	CFG_TLC_IS_STABLE_IN_HT,
+	CFG_RLC_CHAIN_CTRL,
+	CFG_TRK_TABLE_OP_MODE,
+	CFG_TRK_TABLE_RSSI_THRESHOLD,
+	CFG_TX_PWR_TARGET, /* Used By xVT */
+	CFG_TX_PWR_LIMIT_USR,
+	CFG_TX_PWR_LIMIT_BSS, /* 11d limit */
+	CFG_TX_PWR_LIMIT_BSS_CONSTRAINT, /* 11h constraint */
+	CFG_TX_PWR_MODE,
+	CFG_MLME_DBG_NOTIF_BLOCK,
+	CFG_BT_OFF_BECONS_INTERVALS,
+	CFG_BT_FRAG_DURATION,
+
+	/* <-- LAST --> */
+	CFG_TBL_FIX_LAST
+};
+
+/* variable size table */
+enum {
+	CFG_NET_ADDR = 0,
+	CFG_PROFILE,
+	/* <-- LAST --> */
+	CFG_TBL_VAR_LAST
+};
+
+struct iwm_umac_cmd_set_param_fix {
+	__le16 tbl;
+	__le16 key;
+	__le32 value;
+} __attribute__ ((packed));
+
+struct iwm_umac_cmd_set_param_var {
+	__le16 tbl;
+	__le16 key;
+	__le16 len;
+	__le16 reserved;
+} __attribute__ ((packed));
+
+struct iwm_umac_cmd_get_param {
+	__le16 tbl;
+	__le16 key;
+} __attribute__ ((packed));
+
+struct iwm_umac_cmd_get_param_resp {
+	__le16 tbl;
+	__le16 key;
+	__le16 len;
+	__le16 reserved;
+} __attribute__ ((packed));
+
+struct iwm_umac_cmd_eeprom_proxy_hdr {
+	__le32 type;
+	__le32 offset;
+	__le32 len;
+} __attribute__ ((packed));
+
+struct iwm_umac_cmd_eeprom_proxy {
+	struct iwm_umac_cmd_eeprom_proxy_hdr hdr;
+	u8 buf[0];
+} __attribute__ ((packed));
+
+#define IWM_UMAC_CMD_EEPROM_TYPE_READ       0x1
+#define IWM_UMAC_CMD_EEPROM_TYPE_WRITE      0x2
+
+#define UMAC_CHANNEL_FLAG_VALID		BIT(0)
+#define UMAC_CHANNEL_FLAG_IBSS		BIT(1)
+#define UMAC_CHANNEL_FLAG_ACTIVE	BIT(3)
+#define UMAC_CHANNEL_FLAG_RADAR		BIT(4)
+#define UMAC_CHANNEL_FLAG_DFS		BIT(7)
+
+struct iwm_umac_channel_info {
+	u8 band;
+	u8 type;
+	u8 reserved;
+	u8 flags;
+	__le32 channels_mask;
+} __attribute__ ((packed));
+
+struct iwm_umac_cmd_get_channel_list {
+	__le16 count;
+	__le16 reserved;
+	struct iwm_umac_channel_info ch[0];
+} __attribute__ ((packed));
+
+
+/* UMAC WiFi interface commands */
+
+/* Coexistence mode */
+#define COEX_MODE_SA  0x1
+#define COEX_MODE_XOR 0x2
+#define COEX_MODE_CM  0x3
+#define COEX_MODE_MAX 0x4
+
+/* Wireless mode */
+#define WIRELESS_MODE_11A  0x1
+#define WIRELESS_MODE_11G  0x2
+
+#define UMAC_PROFILE_EX_IE_REQUIRED	0x1
+#define UMAC_PROFILE_QOS_ALLOWED	0x2
+
+/* Scanning */
+#define UMAC_WIFI_IF_PROBE_OPTION_MAX        10
+
+#define UMAC_WIFI_IF_SCAN_TYPE_USER          0x0
+#define UMAC_WIFI_IF_SCAN_TYPE_UMAC_RESERVED 0x1
+#define UMAC_WIFI_IF_SCAN_TYPE_HOST_PERIODIC 0x2
+#define UMAC_WIFI_IF_SCAN_TYPE_MAX           0x3
+
+struct iwm_umac_ssid {
+	u8 ssid_len;
+	u8 ssid[IEEE80211_MAX_SSID_LEN];
+	u8 reserved[3];
+} __attribute__ ((packed));
+
+struct iwm_umac_cmd_scan_request {
+	struct iwm_umac_wifi_if hdr;
+	__le32 type; /* UMAC_WIFI_IF_SCAN_TYPE_* */
+	u8 ssid_num;
+	u8 seq_num;
+	u8 timeout; /* In seconds */
+	u8 reserved;
+	struct iwm_umac_ssid ssids[UMAC_WIFI_IF_PROBE_OPTION_MAX];
+} __attribute__ ((packed));
+
+#define UMAC_CIPHER_TYPE_NONE		0xFF
+#define UMAC_CIPHER_TYPE_USE_GROUPCAST	0x00
+#define UMAC_CIPHER_TYPE_WEP_40		0x01
+#define UMAC_CIPHER_TYPE_WEP_104	0x02
+#define UMAC_CIPHER_TYPE_TKIP		0x04
+#define UMAC_CIPHER_TYPE_CCMP		0x08
+
+/* Supported authentication types - bitmap */
+#define UMAC_AUTH_TYPE_OPEN		0x00
+#define UMAC_AUTH_TYPE_LEGACY_PSK	0x01
+#define UMAC_AUTH_TYPE_8021X		0x02
+#define UMAC_AUTH_TYPE_RSNA_PSK		0x04
+
+/* iwm_umac_security.flag is WPA supported -- bits[0:0] */
+#define UMAC_SEC_FLG_WPA_ON_POS		0
+#define UMAC_SEC_FLG_WPA_ON_SEED	1
+#define UMAC_SEC_FLG_WPA_ON_MSK (UMAC_SEC_FLG_WPA_ON_SEED << \
+				 UMAC_SEC_FLG_WPA_ON_POS)
+
+/* iwm_umac_security.flag is WPA2 supported -- bits [1:1] */
+#define UMAC_SEC_FLG_RSNA_ON_POS	1
+#define UMAC_SEC_FLG_RSNA_ON_SEED	1
+#define UMAC_SEC_FLG_RSNA_ON_MSK        (UMAC_SEC_FLG_RSNA_ON_SEED << \
+					 UMAC_SEC_FLG_RSNA_ON_POS)
+
+/* iwm_umac_security.flag is WSC mode on -- bits [2:2] */
+#define UMAC_SEC_FLG_WSC_ON_POS		2
+#define UMAC_SEC_FLG_WSC_ON_SEED	1
+
+/* Legacy profile can use only WEP40 and WEP104 for encryption and
+ * OPEN or PSK for authentication */
+#define UMAC_SEC_FLG_LEGACY_PROFILE	0
+
+struct iwm_umac_security {
+	u8 auth_type;
+	u8 ucast_cipher;
+	u8 mcast_cipher;
+	u8 flags;
+} __attribute__ ((packed));
+
+struct iwm_umac_ibss {
+	u8 beacon_interval;	/* in millisecond */
+	u8 atim;		/* in millisecond */
+	s8 join_only;
+	u8 band;
+	u8 channel;
+	u8 reserved[3];
+} __attribute__ ((packed));
+
+#define UMAC_MODE_BSS	0
+#define UMAC_MODE_IBSS	1
+
+#define UMAC_BSSID_MAX	4
+
+struct iwm_umac_profile {
+	struct iwm_umac_wifi_if hdr;
+	__le32 mode;
+	struct iwm_umac_ssid ssid;
+	u8 bssid[UMAC_BSSID_MAX][ETH_ALEN];
+	struct iwm_umac_security sec;
+	struct iwm_umac_ibss ibss;
+	__le32 channel_2ghz;
+	__le32 channel_5ghz;
+	__le16 flags;
+	u8 wireless_mode;
+	u8 bss_num;
+} __attribute__ ((packed));
+
+struct iwm_umac_invalidate_profile {
+	struct iwm_umac_wifi_if hdr;
+	u8 reason;
+	u8 reserved[3];
+} __attribute__ ((packed));
+
+/* Encryption key commands */
+struct iwm_umac_key_wep40 {
+	struct iwm_umac_wifi_if hdr;
+	struct iwm_umac_key_hdr key_hdr;
+	u8 key[WLAN_KEY_LEN_WEP40];
+	u8 static_key;
+	u8 reserved[2];
+} __attribute__ ((packed));
+
+struct iwm_umac_key_wep104 {
+	struct iwm_umac_wifi_if hdr;
+	struct iwm_umac_key_hdr key_hdr;
+	u8 key[WLAN_KEY_LEN_WEP104];
+	u8 static_key;
+	u8 reserved[2];
+} __attribute__ ((packed));
+
+#define IWM_TKIP_KEY_SIZE 16
+#define IWM_TKIP_MIC_SIZE 8
+struct iwm_umac_key_tkip {
+	struct iwm_umac_wifi_if hdr;
+	struct iwm_umac_key_hdr key_hdr;
+	u8 iv_count[6];
+	u8 reserved[2];
+	u8 tkip_key[IWM_TKIP_KEY_SIZE];
+	u8 mic_rx_key[IWM_TKIP_MIC_SIZE];
+	u8 mic_tx_key[IWM_TKIP_MIC_SIZE];
+} __attribute__ ((packed));
+
+struct iwm_umac_key_ccmp {
+	struct iwm_umac_wifi_if hdr;
+	struct iwm_umac_key_hdr key_hdr;
+	u8 iv_count[6];
+	u8 reserved[2];
+	u8 key[WLAN_KEY_LEN_CCMP];
+} __attribute__ ((packed));
+
+struct iwm_umac_key_remove {
+	struct iwm_umac_wifi_if hdr;
+	struct iwm_umac_key_hdr key_hdr;
+} __attribute__ ((packed));
+
+struct iwm_umac_tx_key_id {
+	struct iwm_umac_wifi_if hdr;
+	u8 key_idx;
+	u8 reserved[3];
+} __attribute__ ((packed));
+
+struct iwm_umac_cmd_stats_req {
+	__le32 flags;
+} __attribute__ ((packed));
+
+/* LMAC commands */
+int iwm_read_mac(struct iwm_priv *iwm, u8 *mac);
+int iwm_send_prio_table(struct iwm_priv *iwm);
+int iwm_send_init_calib_cfg(struct iwm_priv *iwm, u8 calib_requested);
+int iwm_send_periodic_calib_cfg(struct iwm_priv *iwm, u8 calib_requested);
+int iwm_send_calib_results(struct iwm_priv *iwm);
+int iwm_store_rxiq_calib_result(struct iwm_priv *iwm);
+
+/* UMAC commands */
+int iwm_send_wifi_if_cmd(struct iwm_priv *iwm, void *payload, u16 payload_size,
+			 bool resp);
+int iwm_send_umac_reset(struct iwm_priv *iwm, __le32 reset_flags, bool resp);
+int iwm_umac_set_config_fix(struct iwm_priv *iwm, u16 tbl, u16 key, u32 value);
+int iwm_umac_set_config_var(struct iwm_priv *iwm, u16 key,
+			    void *payload, u16 payload_size);
+int iwm_send_umac_config(struct iwm_priv *iwm, __le32 reset_flags);
+int iwm_send_mlme_profile(struct iwm_priv *iwm);
+int iwm_invalidate_mlme_profile(struct iwm_priv *iwm);
+int iwm_send_packet(struct iwm_priv *iwm, struct sk_buff *skb, int pool_id);
+int iwm_set_tx_key(struct iwm_priv *iwm, u8 key_idx);
+int iwm_set_key(struct iwm_priv *iwm, bool remove, bool set_tx_key,
+		struct iwm_key *key);
+int iwm_send_umac_stats_req(struct iwm_priv *iwm, u32 flags);
+int iwm_send_umac_channel_list(struct iwm_priv *iwm);
+int iwm_scan_ssids(struct iwm_priv *iwm, struct cfg80211_ssid *ssids,
+		   int ssid_num);
+int iwm_scan_one_ssid(struct iwm_priv *iwm, u8 *ssid, int ssid_len);
+
+/* UDMA commands */
+int iwm_target_reset(struct iwm_priv *iwm);
+#endif