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>

drivers/net/Kconfig

@@ -2352,6 +2352,16 @@ config GELIC_NET
 	  To compile this driver as a module, choose M here: the
 	  module will be called ps3_gelic.
 
+config GELIC_WIRELESS
+       bool "PS3 Wireless support"
+       depends on GELIC_NET
+       help
+        This option adds the support for the wireless feature of PS3.
+        If you have the wireless-less model of PS3 or have no plan to
+        use wireless feature, disabling this option saves memory.  As
+        the driver automatically distinguishes the models, you can
+        safely enable this option even if you have a wireless-less model.
+
 config GIANFAR
 	tristate "Gianfar Ethernet"
 	depends on FSL_SOC

drivers/net/Makefile

@@ -70,7 +70,8 @@ obj-$(CONFIG_BNX2X) += bnx2x.o
 spidernet-y += spider_net.o spider_net_ethtool.o
 obj-$(CONFIG_SPIDER_NET) += spidernet.o sungem_phy.o
 obj-$(CONFIG_GELIC_NET) += ps3_gelic.o
-ps3_gelic-objs += ps3_gelic_net.o
+gelic_wireless-$(CONFIG_GELIC_WIRELESS) += ps3_gelic_wireless.o
+ps3_gelic-objs += ps3_gelic_net.o $(gelic_wireless-y)
 obj-$(CONFIG_TC35815) += tc35815.o
 obj-$(CONFIG_SKGE) += skge.o
 obj-$(CONFIG_SKY2) += sky2.o

drivers/net/ps3_gelic_net.c

@@ -46,9 +46,10 @@
 #include <asm/lv1call.h>
 
 #include "ps3_gelic_net.h"
+#include "ps3_gelic_wireless.h"
 
 #define DRV_NAME "Gelic Network Driver"
-#define DRV_VERSION "1.1"
+#define DRV_VERSION "2.0"
 
 MODULE_AUTHOR("SCE Inc.");
 MODULE_DESCRIPTION("Gelic Network driver");
@@ -1154,6 +1155,12 @@ static irqreturn_t gelic_card_interrupt(int irq, void *ptr)
 	if (status & GELIC_CARD_PORT_STATUS_CHANGED)
 		gelic_card_get_ether_port_status(card, 1);
 
+#ifdef CONFIG_GELIC_WIRELESS
+	if (status & (GELIC_CARD_WLAN_EVENT_RECEIVED |
+		      GELIC_CARD_WLAN_COMMAND_COMPLETED))
+		gelic_wl_interrupt(card->netdev[GELIC_PORT_WIRELESS], status);
+#endif
+
 	return IRQ_HANDLED;
 }
 
@@ -1635,6 +1642,12 @@ static int ps3_gelic_driver_probe(struct ps3_system_bus_device *dev)
 		goto fail_setup_netdev;
 	}
 
+#ifdef CONFIG_GELIC_WIRELESS
+	if (gelic_wl_driver_probe(card)) {
+		dev_dbg(&dev->core, "%s: WL init failed\n", __func__);
+		goto fail_setup_netdev;
+	}
+#endif
 	pr_debug("%s: done\n", __func__);
 	return 0;
 
@@ -1674,6 +1687,9 @@ static int ps3_gelic_driver_remove(struct ps3_system_bus_device *dev)
 	struct net_device *netdev0;
 	pr_debug("%s: called\n", __func__);
 
+#ifdef CONFIG_GELIC_WIRELESS
+	gelic_wl_driver_remove(card);
+#endif
 	/* stop interrupt */
 	gelic_card_set_irq_mask(card, 0);
 

drivers/net/ps3_gelic_net.h

@@ -57,6 +57,8 @@
 #define GELIC_CARD_RX_PROTECTION_ERR         0x0000000004000000L
 #define GELIC_CARD_TX_TCP_UDP_CHECKSUM_ERR   0x0000000008000000L
 #define GELIC_CARD_PORT_STATUS_CHANGED       0x0000000020000000L
+#define GELIC_CARD_WLAN_EVENT_RECEIVED       0x0000000040000000L
+#define GELIC_CARD_WLAN_COMMAND_COMPLETED    0x0000000080000000L
 	/* INT 0 */
 #define GELIC_CARD_TX_FLAGGED_DESCR          0x0004000000000000L
 #define GELIC_CARD_RX_FLAGGED_DESCR          0x0040000000000000L
@@ -180,6 +182,10 @@ enum gelic_lv1_net_control_code {
 	GELIC_LV1_GET_ETH_PORT_STATUS	= 2,
 	GELIC_LV1_SET_NEGOTIATION_MODE	= 3,
 	GELIC_LV1_GET_VLAN_ID		= 4,
+	GELIC_LV1_GET_CHANNEL           = 6,
+	GELIC_LV1_POST_WLAN_CMD		= 9,
+	GELIC_LV1_GET_WLAN_CMD_RESULT	= 10,
+	GELIC_LV1_GET_WLAN_EVENT	= 11
 };
 
 /* status returened from GET_ETH_PORT_STATUS */

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 */