ar9170: ar9170: mac80211 interaction code

This patch contains almost all mac80211 interaction code of AR9170.

Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 209 insertions, 0 deletions

diff --git a/drivers/net/wireless/ar9170/ar9170.h b/drivers/net/wireless/ar9170/ar9170.h
new file mode 100644
index 000000000000..c49d7138d574
--- /dev/null
+++ b/drivers/net/wireless/ar9170/ar9170.h
@@ -0,0 +1,209 @@
+/*
+ * Atheros AR9170 driver
+ *
+ * Driver specific definitions
+ *
+ * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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; see the file COPYING.  If not, see
+ * http://www.gnu.org/licenses/.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *    Copyright (c) 2007-2008 Atheros Communications, 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.
+ */
+#ifndef __AR9170_H
+#define __AR9170_H
+
+#include <linux/completion.h>
+#include <linux/spinlock.h>
+#include <net/wireless.h>
+#include <net/mac80211.h>
+#ifdef CONFIG_AR9170_LEDS
+#include <linux/leds.h>
+#endif /* CONFIG_AR9170_LEDS */
+#include "eeprom.h"
+#include "hw.h"
+
+#define PAYLOAD_MAX     (AR9170_MAX_CMD_LEN/4 - 1)
+
+enum ar9170_bw {
+        AR9170_BW_20,
+        AR9170_BW_40_BELOW,
+        AR9170_BW_40_ABOVE,
+
+        __AR9170_NUM_BW,
+};
+
+enum ar9170_rf_init_mode {
+        AR9170_RFI_NONE,
+        AR9170_RFI_WARM,
+        AR9170_RFI_COLD,
+};
+
+#define AR9170_MAX_RX_BUFFER_SIZE               8192
+
+#ifdef CONFIG_AR9170_LEDS
+struct ar9170;
+
+struct ar9170_led {
+        struct ar9170 *ar;
+        struct led_classdev l;
+        char name[32];
+        unsigned int toggled;
+        bool registered;
+};
+
+#endif /* CONFIG_AR9170_LEDS */
+
+enum ar9170_device_state {
+        AR9170_UNKNOWN_STATE,
+        AR9170_STOPPED,
+        AR9170_IDLE,
+        AR9170_STARTED,
+        AR9170_ASSOCIATED,
+};
+
+struct ar9170 {
+        struct ieee80211_hw *hw;
+        struct mutex mutex;
+        enum ar9170_device_state state;
+
+        int (*open)(struct ar9170 *);
+        void (*stop)(struct ar9170 *);
+        int (*tx)(struct ar9170 *, struct sk_buff *, bool, unsigned int);
+        int (*exec_cmd)(struct ar9170 *, enum ar9170_cmd, u32 ,
+                        void *, u32 , void *);
+        void (*callback_cmd)(struct ar9170 *, u32 , void *);
+
+        /* interface mode settings */
+        struct ieee80211_vif *vif;
+        u8 mac_addr[ETH_ALEN];
+        u8 bssid[ETH_ALEN];
+
+        /* beaconing */
+        struct sk_buff *beacon;
+        struct work_struct beacon_work;
+
+        /* cryptographic engine */
+        u64 usedkeys;
+        bool rx_software_decryption;
+        bool disable_offload;
+
+        /* filter settings */
+        struct work_struct filter_config_work;
+        u64 cur_mc_hash, want_mc_hash;
+        u32 cur_filter, want_filter;
+        unsigned int filter_changed;
+        bool sniffer_enabled;
+
+        /* PHY */
+        struct ieee80211_channel *channel;
+        int noise[4];
+
+        /* power calibration data */
+        u8 power_5G_leg[4];
+        u8 power_2G_cck[4];
+        u8 power_2G_ofdm[4];
+        u8 power_5G_ht20[8];
+        u8 power_5G_ht40[8];
+        u8 power_2G_ht20[8];
+        u8 power_2G_ht40[8];
+
+#ifdef CONFIG_AR9170_LEDS
+        struct delayed_work led_work;
+        struct ar9170_led leds[AR9170_NUM_LEDS];
+#endif /* CONFIG_AR9170_LEDS */
+
+        /* qos queue settings */
+        spinlock_t tx_stats_lock;
+        struct ieee80211_tx_queue_stats tx_stats[5];
+        struct ieee80211_tx_queue_params edcf[5];
+
+        spinlock_t cmdlock;
+        __le32 cmdbuf[PAYLOAD_MAX + 1];
+
+        /* MAC statistics */
+        struct ieee80211_low_level_stats stats;
+
+        /* EEPROM */
+        struct ar9170_eeprom eeprom;
+
+        /* global tx status for unregistered Stations. */
+        struct sk_buff_head global_tx_status;
+        struct sk_buff_head global_tx_status_waste;
+        struct delayed_work tx_status_janitor;
+};
+
+struct ar9170_sta_info {
+        struct sk_buff_head tx_status;
+};
+
+#define IS_STARTED(a)           (a->state >= AR9170_STARTED)
+#define IS_ACCEPTING_CMD(a)     (a->state >= AR9170_IDLE)
+
+#define AR9170_FILTER_CHANGED_PROMISC           BIT(0)
+#define AR9170_FILTER_CHANGED_MULTICAST         BIT(1)
+#define AR9170_FILTER_CHANGED_FRAMEFILTER       BIT(2)
+
+/* exported interface */
+void *ar9170_alloc(size_t priv_size);
+int ar9170_register(struct ar9170 *ar, struct device *pdev);
+void ar9170_rx(struct ar9170 *ar, struct sk_buff *skb);
+void ar9170_unregister(struct ar9170 *ar);
+void ar9170_handle_tx_status(struct ar9170 *ar, struct sk_buff *skb,
+                             bool update_statistics, u16 tx_status);
+
+/* MAC */
+int ar9170_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
+int ar9170_init_mac(struct ar9170 *ar);
+int ar9170_set_qos(struct ar9170 *ar);
+int ar9170_update_multicast(struct ar9170 *ar);
+int ar9170_update_frame_filter(struct ar9170 *ar);
+int ar9170_set_operating_mode(struct ar9170 *ar);
+int ar9170_set_beacon_timers(struct ar9170 *ar);
+int ar9170_set_hwretry_limit(struct ar9170 *ar, u32 max_retry);
+int ar9170_update_beacon(struct ar9170 *ar);
+void ar9170_new_beacon(struct work_struct *work);
+int ar9170_upload_key(struct ar9170 *ar, u8 id, const u8 *mac, u8 ktype,
+                      u8 keyidx, u8 *keydata, int keylen);
+int ar9170_disable_key(struct ar9170 *ar, u8 id);
+
+/* LEDs */
+#ifdef CONFIG_AR9170_LEDS
+int ar9170_register_leds(struct ar9170 *ar);
+void ar9170_unregister_leds(struct ar9170 *ar);
+#endif /* CONFIG_AR9170_LEDS */
+int ar9170_init_leds(struct ar9170 *ar);
+int ar9170_set_leds_state(struct ar9170 *ar, u32 led_state);
+
+/* PHY / RF */
+int ar9170_init_phy(struct ar9170 *ar, enum ieee80211_band band);
+int ar9170_init_rf(struct ar9170 *ar);
+int ar9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel,
+                       enum ar9170_rf_init_mode rfi, enum ar9170_bw bw);
+
+#endif /* __AR9170_H */