--- /dev/null
+/*
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * 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 ATH_H
+#define ATH_H
+
+FILE_LICENCE ( BSD2 );
+
+#include <unistd.h>
+#include <ipxe/net80211.h>
+
+/* This block of functions are from kernel.h v3.0.1 */
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
+#define BITS_PER_BYTE 8
+#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
+#define BIT(nr) (1UL << (nr))
+
+#define min(x, y) ({ \
+ typeof(x) _min1 = (x); \
+ typeof(y) _min2 = (y); \
+ (void) (&_min1 == &_min2); \
+ _min1 < _min2 ? _min1 : _min2; })
+#define max(x, y) ({ \
+ typeof(x) _max1 = (x); \
+ typeof(y) _max2 = (y); \
+ (void) (&_max1 == &_max2); \
+ _max1 > _max2 ? _max1 : _max2; })
+#define abs(x) ({ \
+ long ret; \
+ if (sizeof(x) == sizeof(long)) { \
+ long __x = (x); \
+ ret = (__x < 0) ? -__x : __x; \
+ } else { \
+ int __x = (x); \
+ ret = (__x < 0) ? -__x : __x; \
+ } \
+ ret; \
+ })
+
+#define ___constant_swab16(x) ((uint16_t)( \
+ (((uint16_t)(x) & (uint16_t)0x00ffU) << 8) | \
+ (((uint16_t)(x) & (uint16_t)0xff00U) >> 8)))
+#define ___constant_swab32(x) ((uint32_t)( \
+ (((uint32_t)(x) & (uint32_t)0x000000ffUL) << 24) | \
+ (((uint32_t)(x) & (uint32_t)0x0000ff00UL) << 8) | \
+ (((uint32_t)(x) & (uint32_t)0x00ff0000UL) >> 8) | \
+ (((uint32_t)(x) & (uint32_t)0xff000000UL) >> 24)))
+#define __swab16(x) ___constant_swab16(x)
+#define __swab32(x) ___constant_swab32(x)
+#define swab16 __swab16
+#define swab32 __swab32
+
+static inline int32_t sign_extend32(uint32_t value, int index)
+{
+ uint8_t shift = 31 - index;
+ return (int32_t)(value << shift) >> shift;
+}
+
+static inline u16 __get_unaligned_le16(const u8 *p)
+{
+ return p[0] | p[1] << 8;
+}
+static inline u32 __get_unaligned_le32(const u8 *p)
+{
+ return p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24;
+}
+static inline u16 get_unaligned_le16(const void *p)
+{
+ return __get_unaligned_le16((const u8 *)p);
+}
+static inline u32 get_unaligned_le32(const void *p)
+{
+ return __get_unaligned_le32((const u8 *)p);
+}
+/* End Kernel Block */
+
+/*
+ * The key cache is used for h/w cipher state and also for
+ * tracking station state such as the current tx antenna.
+ * We also setup a mapping table between key cache slot indices
+ * and station state to short-circuit node lookups on rx.
+ * Different parts have different size key caches. We handle
+ * up to ATH_KEYMAX entries (could dynamically allocate state).
+ */
+#define ATH_KEYMAX 128 /* max key cache size we handle */
+
+static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+
+struct ath_ani {
+ int caldone;
+ unsigned int longcal_timer;
+ unsigned int shortcal_timer;
+ unsigned int resetcal_timer;
+ unsigned int checkani_timer;
+ int timer;
+};
+
+struct ath_cycle_counters {
+ u32 cycles;
+ u32 rx_busy;
+ u32 rx_frame;
+ u32 tx_frame;
+};
+
+enum ath_device_state {
+ ATH_HW_UNAVAILABLE,
+ ATH_HW_INITIALIZED,
+};
+
+enum ath_bus_type {
+ ATH_PCI,
+ ATH_AHB,
+ ATH_USB,
+};
+
+struct reg_dmn_pair_mapping {
+ u16 regDmnEnum;
+ u16 reg_5ghz_ctl;
+ u16 reg_2ghz_ctl;
+};
+
+struct ath_regulatory {
+ char alpha2[2];
+ u16 country_code;
+ u16 max_power_level;
+ u32 tp_scale;
+ u16 current_rd;
+ u16 current_rd_ext;
+ int16_t power_limit;
+ struct reg_dmn_pair_mapping *regpair;
+};
+
+enum ath_crypt_caps {
+ ATH_CRYPT_CAP_CIPHER_AESCCM = BIT(0),
+ ATH_CRYPT_CAP_MIC_COMBINED = BIT(1),
+};
+
+struct ath_keyval {
+ u8 kv_type;
+ u8 kv_pad;
+ u16 kv_len;
+ u8 kv_val[16]; /* TK */
+ u8 kv_mic[8]; /* Michael MIC key */
+ u8 kv_txmic[8]; /* Michael MIC TX key (used only if the hardware
+ * supports both MIC keys in the same key cache entry;
+ * in that case, kv_mic is the RX key) */
+};
+
+enum ath_cipher {
+ ATH_CIPHER_WEP = 0,
+ ATH_CIPHER_AES_OCB = 1,
+ ATH_CIPHER_AES_CCM = 2,
+ ATH_CIPHER_CKIP = 3,
+ ATH_CIPHER_TKIP = 4,
+ ATH_CIPHER_CLR = 5,
+ ATH_CIPHER_MIC = 127
+};
+
+/**
+ * struct ath_ops - Register read/write operations
+ *
+ * @read: Register read
+ * @multi_read: Multiple register read
+ * @write: Register write
+ * @enable_write_buffer: Enable multiple register writes
+ * @write_flush: flush buffered register writes and disable buffering
+ */
+struct ath_ops {
+ unsigned int (*read)(void *, u32 reg_offset);
+ void (*multi_read)(void *, u32 *addr, u32 *val, u16 count);
+ void (*write)(void *, u32 val, u32 reg_offset);
+ void (*enable_write_buffer)(void *);
+ void (*write_flush) (void *);
+ u32 (*rmw)(void *, u32 reg_offset, u32 set, u32 clr);
+};
+
+struct ath_common;
+struct ath_bus_ops;
+
+struct ath_common {
+ void *ah;
+ void *priv;
+ struct net80211_device *dev;
+ int debug_mask;
+ enum ath_device_state state;
+
+ struct ath_ani ani;
+
+ u16 cachelsz;
+ u16 curaid;
+ u8 macaddr[ETH_ALEN];
+ u8 curbssid[ETH_ALEN];
+ u8 bssidmask[ETH_ALEN];
+
+ u8 tx_chainmask;
+ u8 rx_chainmask;
+
+ u32 rx_bufsize;
+
+ u32 keymax;
+ enum ath_crypt_caps crypt_caps;
+
+ unsigned int clockrate;
+
+ struct ath_cycle_counters cc_ani;
+ struct ath_cycle_counters cc_survey;
+
+ struct ath_regulatory regulatory;
+ const struct ath_ops *ops;
+ const struct ath_bus_ops *bus_ops;
+
+ int btcoex_enabled;
+};
+
+struct io_buffer *ath_rxbuf_alloc(struct ath_common *common,
+ u32 len,
+ u32 *iob_addr);
+
+void ath_hw_setbssidmask(struct ath_common *common);
+int ath_hw_keyreset(struct ath_common *common, u16 entry);
+void ath_hw_cycle_counters_update(struct ath_common *common);
+int32_t ath_hw_get_listen_time(struct ath_common *common);
+
+#endif /* ATH_H */
Code Review / kvmfornfv.git / blobdiff