PS3: gelic: Add wireless support for PS3

Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Acked-by: Dan Williams <dcbw@redhat.com>
Acked-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 329 insertions, 0 deletions

diff --git a/drivers/net/ps3_gelic_wireless.h b/drivers/net/ps3_gelic_wireless.h
new file mode 100644
index 000000000000..103697166720
--- /dev/null
+++ b/drivers/net/ps3_gelic_wireless.h
@@ -0,0 +1,329 @@
+/*
+ *  PS3 gelic network driver.
+ *
+ * Copyright (C) 2007 Sony Computer Entertainment Inc.
+ * Copyright 2007 Sony Corporation
+ *
+ * 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 version 2.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#ifndef _GELIC_WIRELESS_H
+#define _GELIC_WIRELESS_H
+
+#include <linux/wireless.h>
+#include <net/iw_handler.h>
+
+
+/* return value from  GELIC_LV1_GET_WLAN_EVENT netcontrol */
+enum gelic_lv1_wl_event {
+        GELIC_LV1_WL_EVENT_DEVICE_READY   = 0x01, /* Eurus ready */
+        GELIC_LV1_WL_EVENT_SCAN_COMPLETED = 0x02, /* Scan has completed */
+        GELIC_LV1_WL_EVENT_DEAUTH         = 0x04, /* Deauthed by the AP */
+        GELIC_LV1_WL_EVENT_BEACON_LOST    = 0x08, /* Beacon lost detected */
+        GELIC_LV1_WL_EVENT_CONNECTED      = 0x10, /* Connected to AP */
+        GELIC_LV1_WL_EVENT_WPA_CONNECTED  = 0x20, /* WPA connection */
+        GELIC_LV1_WL_EVENT_WPA_ERROR      = 0x40, /* MIC error */
+};
+
+/* arguments for GELIC_LV1_POST_WLAN_COMMAND netcontrol */
+enum gelic_eurus_command {
+        GELIC_EURUS_CMD_ASSOC           =  1, /* association start */
+        GELIC_EURUS_CMD_DISASSOC        =  2, /* disassociate      */
+        GELIC_EURUS_CMD_START_SCAN      =  3, /* scan start        */
+        GELIC_EURUS_CMD_GET_SCAN        =  4, /* get scan result   */
+        GELIC_EURUS_CMD_SET_COMMON_CFG  =  5, /* set common config */
+        GELIC_EURUS_CMD_GET_COMMON_CFG  =  6, /* set common config */
+        GELIC_EURUS_CMD_SET_WEP_CFG     =  7, /* set WEP config    */
+        GELIC_EURUS_CMD_GET_WEP_CFG     =  8, /* get WEP config    */
+        GELIC_EURUS_CMD_SET_WPA_CFG     =  9, /* set WPA config    */
+        GELIC_EURUS_CMD_GET_WPA_CFG     = 10, /* get WPA config    */
+        GELIC_EURUS_CMD_GET_RSSI_CFG    = 11, /* get RSSI info.    */
+        GELIC_EURUS_CMD_MAX_INDEX
+};
+
+/* for GELIC_EURUS_CMD_COMMON_CFG */
+enum gelic_eurus_bss_type {
+        GELIC_EURUS_BSS_INFRA = 0,
+        GELIC_EURUS_BSS_ADHOC = 1, /* not supported */
+};
+
+enum gelic_eurus_auth_method {
+        GELIC_EURUS_AUTH_OPEN = 0, /* FIXME: WLAN_AUTH_OPEN */
+        GELIC_EURUS_AUTH_SHARED = 1, /* not supported */
+};
+
+enum gelic_eurus_opmode {
+        GELIC_EURUS_OPMODE_11BG = 0, /* 802.11b/g */
+        GELIC_EURUS_OPMODE_11B = 1, /* 802.11b only */
+        GELIC_EURUS_OPMODE_11G = 2, /* 802.11g only */
+};
+
+struct gelic_eurus_common_cfg {
+        /* all fields are big endian */
+        u16 scan_index;
+        u16 bss_type;    /* infra or adhoc */
+        u16 auth_method; /* shared key or open */
+        u16 op_mode; /* B/G */
+} __attribute__((packed));
+
+
+/* for GELIC_EURUS_CMD_WEP_CFG */
+enum gelic_eurus_wep_security {
+        GELIC_EURUS_WEP_SEC_NONE        = 0,
+        GELIC_EURUS_WEP_SEC_40BIT       = 1,
+        GELIC_EURUS_WEP_SEC_104BIT      = 2,
+};
+
+struct gelic_eurus_wep_cfg {
+        /* all fields are big endian */
+        u16 security;
+        u8 key[4][16];
+} __attribute__((packed));
+
+/* for GELIC_EURUS_CMD_WPA_CFG */
+enum gelic_eurus_wpa_security {
+        GELIC_EURUS_WPA_SEC_NONE                = 0x0000,
+        /* group=TKIP, pairwise=TKIP */
+        GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP       = 0x0001,
+        /* group=AES, pairwise=AES */
+        GELIC_EURUS_WPA_SEC_WPA_AES_AES         = 0x0002,
+        /* group=TKIP, pairwise=TKIP */
+        GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP      = 0x0004,
+        /* group=AES, pairwise=AES */
+        GELIC_EURUS_WPA_SEC_WPA2_AES_AES        = 0x0008,
+        /* group=TKIP, pairwise=AES */
+        GELIC_EURUS_WPA_SEC_WPA_TKIP_AES        = 0x0010,
+        /* group=TKIP, pairwise=AES */
+        GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES       = 0x0020,
+};
+
+enum gelic_eurus_wpa_psk_type {
+        GELIC_EURUS_WPA_PSK_PASSPHRASE  = 0, /* passphrase string   */
+        GELIC_EURUS_WPA_PSK_BIN         = 1, /* 32 bytes binary key */
+};
+
+#define GELIC_WL_EURUS_PSK_MAX_LEN      64
+#define WPA_PSK_LEN                     32 /* WPA spec says 256bit */
+
+struct gelic_eurus_wpa_cfg {
+        /* all fields are big endian */
+        u16 security;
+        u16 psk_type; /* psk key encoding type */
+        u8 psk[GELIC_WL_EURUS_PSK_MAX_LEN]; /* psk key; hex or passphrase */
+} __attribute__((packed));
+
+/* for GELIC_EURUS_CMD_{START,GET}_SCAN */
+enum gelic_eurus_scan_capability {
+        GELIC_EURUS_SCAN_CAP_ADHOC      = 0x0000,
+        GELIC_EURUS_SCAN_CAP_INFRA      = 0x0001,
+        GELIC_EURUS_SCAN_CAP_MASK       = 0x0001,
+};
+
+enum gelic_eurus_scan_sec_type {
+        GELIC_EURUS_SCAN_SEC_NONE       = 0x0000,
+        GELIC_EURUS_SCAN_SEC_WEP        = 0x0100,
+        GELIC_EURUS_SCAN_SEC_WPA        = 0x0200,
+        GELIC_EURUS_SCAN_SEC_WPA2       = 0x0400,
+        GELIC_EURUS_SCAN_SEC_MASK       = 0x0f00,
+};
+
+enum gelic_eurus_scan_sec_wep_type {
+        GELIC_EURUS_SCAN_SEC_WEP_UNKNOWN        = 0x0000,
+        GELIC_EURUS_SCAN_SEC_WEP_40             = 0x0001,
+        GELIC_EURUS_SCAN_SEC_WEP_104            = 0x0002,
+        GELIC_EURUS_SCAN_SEC_WEP_MASK           = 0x0003,
+};
+
+enum gelic_eurus_scan_sec_wpa_type {
+        GELIC_EURUS_SCAN_SEC_WPA_UNKNOWN        = 0x0000,
+        GELIC_EURUS_SCAN_SEC_WPA_TKIP           = 0x0001,
+        GELIC_EURUS_SCAN_SEC_WPA_AES            = 0x0002,
+        GELIC_EURUS_SCAN_SEC_WPA_MASK           = 0x0003,
+};
+
+/*
+ * hw BSS information structure returned from GELIC_EURUS_CMD_GET_SCAN
+ */
+struct gelic_eurus_scan_info {
+        /* all fields are big endian */
+        __be16 size;
+        __be16 rssi; /* percentage */
+        __be16 channel; /* channel number */
+        __be16 beacon_period; /* FIXME: in msec unit */
+        __be16 capability;
+        __be16 security;
+        u8  bssid[8]; /* last ETH_ALEN are valid. bssid[0],[1] are unused */
+        u8  essid[32]; /* IW_ESSID_MAX_SIZE */
+        u8  rate[16]; /* first MAX_RATES_LENGTH(12) are valid */
+        u8  ext_rate[16]; /* first MAX_RATES_EX_LENGTH(16) are valid */
+        __be32 reserved1;
+        __be32 reserved2;
+        __be32 reserved3;
+        __be32 reserved4;
+        u8 elements[0]; /* ie */
+} __attribute__ ((packed));
+
+/* the hypervisor returns bbs up to 16 */
+#define GELIC_EURUS_MAX_SCAN  (16)
+struct gelic_wl_scan_info {
+        struct list_head list;
+        struct gelic_eurus_scan_info *hwinfo;
+
+        int valid; /* set 1 if this entry was in latest scanned list
+                     * from Eurus */
+        unsigned int eurus_index; /* index in the Eurus list */
+        unsigned long last_scanned; /* acquired time */
+
+        unsigned int rate_len;
+        unsigned int rate_ext_len;
+        unsigned int essid_len;
+};
+
+/* for GELIC_EURUS_CMD_GET_RSSI */
+struct gelic_eurus_rssi_info {
+        /* big endian */
+        __be16 rssi;
+} __attribute__ ((packed));
+
+
+/* for 'stat' member of gelic_wl_info */
+enum gelic_wl_info_status_bit {
+        GELIC_WL_STAT_CONFIGURED,
+        GELIC_WL_STAT_CH_INFO,   /* ch info aquired */
+        GELIC_WL_STAT_ESSID_SET, /* ESSID specified by userspace */
+        GELIC_WL_STAT_BSSID_SET, /* BSSID specified by userspace */
+        GELIC_WL_STAT_WPA_PSK_SET, /* PMK specified by userspace */
+        GELIC_WL_STAT_WPA_LEVEL_SET, /* WEP or WPA[2] selected */
+};
+
+/* for 'scan_stat' member of gelic_wl_info */
+enum gelic_wl_scan_state {
+        /* just initialized or get last scan result failed */
+        GELIC_WL_SCAN_STAT_INIT,
+        /* scan request issued, accepted or chip is scanning */
+        GELIC_WL_SCAN_STAT_SCANNING,
+        /* scan results retrieved */
+        GELIC_WL_SCAN_STAT_GOT_LIST,
+};
+
+/* for 'cipher_method' */
+enum gelic_wl_cipher_method {
+        GELIC_WL_CIPHER_NONE,
+        GELIC_WL_CIPHER_WEP,
+        GELIC_WL_CIPHER_TKIP,
+        GELIC_WL_CIPHER_AES,
+};
+
+/* for 'wpa_level' */
+enum gelic_wl_wpa_level {
+        GELIC_WL_WPA_LEVEL_NONE,
+        GELIC_WL_WPA_LEVEL_WPA,
+        GELIC_WL_WPA_LEVEL_WPA2,
+};
+
+/* for 'assoc_stat' */
+enum gelic_wl_assoc_state {
+        GELIC_WL_ASSOC_STAT_DISCONN,
+        GELIC_WL_ASSOC_STAT_ASSOCIATING,
+        GELIC_WL_ASSOC_STAT_ASSOCIATED,
+};
+/* part of private data alloc_etherdev() allocated */
+#define GELIC_WEP_KEYS 4
+struct gelic_wl_info {
+        /* bss list */
+        struct semaphore scan_lock;
+        struct list_head network_list;
+        struct list_head network_free_list;
+        struct gelic_wl_scan_info *networks;
+
+        unsigned long scan_age; /* last scanned time */
+        enum gelic_wl_scan_state scan_stat;
+        struct completion scan_done;
+
+        /* eurus command queue */
+        struct workqueue_struct *eurus_cmd_queue;
+        struct completion cmd_done_intr;
+
+        /* eurus event handling */
+        struct workqueue_struct *event_queue;
+        struct delayed_work event_work;
+
+        /* wl status bits */
+        unsigned long stat;
+        enum gelic_eurus_auth_method auth_method; /* open/shared */
+        enum gelic_wl_cipher_method group_cipher_method;
+        enum gelic_wl_cipher_method pairwise_cipher_method;
+        enum gelic_wl_wpa_level wpa_level; /* wpa/wpa2 */
+
+        /* association handling */
+        struct semaphore assoc_stat_lock;
+        struct delayed_work assoc_work;
+        enum gelic_wl_assoc_state assoc_stat;
+        struct completion assoc_done;
+
+        spinlock_t lock;
+        u16 ch_info; /* available channels. bit0 = ch1 */
+        /* WEP keys */
+        u8 key[GELIC_WEP_KEYS][IW_ENCODING_TOKEN_MAX];
+        unsigned long key_enabled;
+        unsigned int key_len[GELIC_WEP_KEYS];
+        unsigned int current_key;
+        /* WWPA PSK */
+        u8 psk[GELIC_WL_EURUS_PSK_MAX_LEN];
+        enum gelic_eurus_wpa_psk_type psk_type;
+        unsigned int psk_len;
+
+        u8 essid[IW_ESSID_MAX_SIZE];
+        u8 bssid[ETH_ALEN]; /* userland requested */
+        u8 active_bssid[ETH_ALEN]; /* associated bssid */
+        unsigned int essid_len;
+
+        /* buffer for hypervisor IO */
+        void *buf;
+
+        struct iw_public_data wireless_data;
+        struct iw_statistics iwstat;
+};
+
+#define GELIC_WL_BSS_MAX_ENT 32
+#define GELIC_WL_ASSOC_RETRY 50
+static inline struct gelic_port *wl_port(struct gelic_wl_info *wl)
+{
+        return container_of((void *)wl, struct gelic_port, priv);
+}
+static inline struct gelic_wl_info *port_wl(struct gelic_port *port)
+{
+        return port_priv(port);
+}
+
+struct gelic_eurus_cmd {
+        struct work_struct work;
+        struct gelic_wl_info *wl;
+        unsigned int cmd; /* command code */
+        u64 tag;
+        u64 size;
+        void *buffer;
+        unsigned int buf_size;
+        struct completion done;
+        int status;
+        u64 cmd_status;
+};
+
+/* private ioctls to pass PSK */
+#define GELIC_WL_PRIV_SET_PSK           (SIOCIWFIRSTPRIV + 0)
+#define GELIC_WL_PRIV_GET_PSK           (SIOCIWFIRSTPRIV + 1)
+
+extern int gelic_wl_driver_probe(struct gelic_card *card);
+extern int gelic_wl_driver_remove(struct gelic_card *card);
+extern void gelic_wl_interrupt(struct net_device *netdev, u64 status);
+#endif /* _GELIC_WIRELESS_H */