diff options
Diffstat (limited to 'drivers/net/wireless/iwmc3200wifi/iwm.h')
| -rw-r--r-- | drivers/net/wireless/iwmc3200wifi/iwm.h | 350 |
1 files changed, 350 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwmc3200wifi/iwm.h b/drivers/net/wireless/iwmc3200wifi/iwm.h new file mode 100644 index 0000000..3b29681 --- /dev/null +++ b/drivers/net/wireless/iwmc3200wifi/iwm.h @@ -0,0 +1,350 @@ +/* + * 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_H__ +#define __IWM_H__ + +#include <linux/netdevice.h> +#include <linux/wireless.h> +#include <net/cfg80211.h> + +#include "debug.h" +#include "hal.h" +#include "umac.h" +#include "lmac.h" +#include "eeprom.h" + +#define IWM_COPYRIGHT "Copyright(c) 2009 Intel Corporation" +#define IWM_AUTHOR "<ilw@linux.intel.com>" + +#define CONFIG_IWM_B0_HW_SUPPORT 1 + +#define IWM_SRC_LMAC UMAC_HDI_IN_SOURCE_FHRX +#define IWM_SRC_UDMA UMAC_HDI_IN_SOURCE_UDMA +#define IWM_SRC_UMAC UMAC_HDI_IN_SOURCE_FW +#define IWM_SRC_NUM 3 + +#define IWM_POWER_INDEX_MIN 0 +#define IWM_POWER_INDEX_MAX 5 +#define IWM_POWER_INDEX_DEFAULT 3 + +struct iwm_conf { + u32 sdio_ior_timeout; + unsigned long init_calib_map; + unsigned long periodic_calib_map; + bool reset_on_fatal_err; + bool auto_connect; + bool wimax_not_present; + bool enable_qos; + u32 mode; + + u32 power_index; + u32 frag_threshold; + u32 rts_threshold; + bool cts_to_self; + + u32 assoc_timeout; + u32 roam_timeout; + u32 wireless_mode; + u32 coexist_mode; + + u8 ibss_band; + u8 ibss_channel; + + u8 mac_addr[ETH_ALEN]; +#ifdef CONFIG_IWM_B0_HW_SUPPORT + bool hw_b0; +#endif +}; + +enum { + COEX_MODE_SA = 1, + COEX_MODE_XOR, + COEX_MODE_CM, + COEX_MODE_MAX, +}; + +struct iwm_if_ops; +struct iwm_wifi_cmd; + +struct pool_entry { + int id; /* group id */ + int sid; /* super group id */ + int min_pages; /* min capacity in pages */ + int max_pages; /* max capacity in pages */ + int alloc_pages; /* allocated # of pages. incresed by driver */ + int total_freed_pages; /* total freed # of pages. incresed by UMAC */ +}; + +struct spool_entry { + int id; + int max_pages; + int alloc_pages; +}; + +struct iwm_tx_credit { + spinlock_t lock; + int pool_nr; + unsigned long full_pools_map; /* bitmap for # of filled tx pools */ + struct pool_entry pools[IWM_MACS_OUT_GROUPS]; + struct spool_entry spools[IWM_MACS_OUT_SGROUPS]; +}; + +struct iwm_notif { + struct list_head pending; + u32 cmd_id; + void *cmd; + u8 src; + void *buf; + unsigned long buf_size; +}; + +struct iwm_sta_info { + u8 addr[ETH_ALEN]; + bool valid; + bool qos; + u8 color; +}; + +struct iwm_tx_info { + u8 sta; + u8 color; + u8 tid; +}; + +struct iwm_rx_info { + unsigned long rx_size; + unsigned long rx_buf_size; +}; + +#define IWM_NUM_KEYS 4 + +struct iwm_umac_key_hdr { + u8 mac[ETH_ALEN]; + u8 key_idx; + u8 multicast; /* BCast encrypt & BCast decrypt of frames FROM mac */ +} __attribute__ ((packed)); + +struct iwm_key { + struct iwm_umac_key_hdr hdr; + u8 in_use; + u8 alg; + u32 flags; + u8 tx_seq[IW_ENCODE_SEQ_MAX_SIZE]; + u8 rx_seq[IW_ENCODE_SEQ_MAX_SIZE]; + u8 key_len; + u8 key[32]; +}; + +#define IWM_RX_ID_HASH 0xff +#define IWM_RX_ID_GET_HASH(id) ((id) % IWM_RX_ID_HASH) + +#define IWM_STA_TABLE_NUM 16 +#define IWM_TX_LIST_SIZE 64 +#define IWM_RX_LIST_SIZE 256 + +#define IWM_SCAN_ID_MAX 0xff + +#define IWM_STATUS_READY 0 +#define IWM_STATUS_SCANNING 1 +#define IWM_STATUS_SCAN_ABORTING 2 +#define IWM_STATUS_ASSOCIATING 3 +#define IWM_STATUS_ASSOCIATED 4 + +#define IWM_RADIO_RFKILL_OFF 0 +#define IWM_RADIO_RFKILL_HW 1 +#define IWM_RADIO_RFKILL_SW 2 + +struct iwm_tx_queue { + int id; + struct sk_buff_head queue; + struct workqueue_struct *wq; + struct work_struct worker; + u8 concat_buf[IWM_HAL_CONCATENATE_BUF_SIZE]; + int concat_count; + u8 *concat_ptr; +}; + +/* Queues 0 ~ 3 for AC data, 5 for iPAN */ +#define IWM_TX_QUEUES 5 +#define IWM_TX_DATA_QUEUES 4 +#define IWM_TX_CMD_QUEUE 4 + +struct iwm_bss_info { + struct list_head node; + struct cfg80211_bss *cfg_bss; + struct iwm_umac_notif_bss_info *bss; +}; + +typedef int (*iwm_handler)(struct iwm_priv *priv, u8 *buf, + unsigned long buf_size, struct iwm_wifi_cmd *cmd); + +#define IWM_WATCHDOG_PERIOD (6 * HZ) + +struct iwm_priv { + struct wireless_dev *wdev; + struct iwm_if_ops *bus_ops; + + struct iwm_conf conf; + + unsigned long status; + unsigned long radio; + + struct list_head pending_notif; + wait_queue_head_t notif_queue; + + wait_queue_head_t nonwifi_queue; + + unsigned long calib_done_map; + struct { + u8 *buf; + u32 size; + } calib_res[CALIBRATION_CMD_NUM]; + + struct iwm_umac_profile *umac_profile; + bool umac_profile_active; + + u8 bssid[ETH_ALEN]; + u8 channel; + u16 rate; + + struct iwm_sta_info sta_table[IWM_STA_TABLE_NUM]; + struct list_head bss_list; + + void (*nonwifi_rx_handlers[UMAC_HDI_IN_OPCODE_NONWIFI_MAX]) + (struct iwm_priv *priv, u8 *buf, unsigned long buf_size); + + const iwm_handler *umac_handlers; + const iwm_handler *lmac_handlers; + DECLARE_BITMAP(lmac_handler_map, LMAC_COMMAND_ID_NUM); + DECLARE_BITMAP(umac_handler_map, LMAC_COMMAND_ID_NUM); + DECLARE_BITMAP(udma_handler_map, LMAC_COMMAND_ID_NUM); + + struct list_head wifi_pending_cmd; + struct list_head nonwifi_pending_cmd; + u16 wifi_seq_num; + u8 nonwifi_seq_num; + spinlock_t cmd_lock; + + u32 core_enabled; + + u8 scan_id; + struct cfg80211_scan_request *scan_request; + + struct sk_buff_head rx_list; + struct list_head rx_tickets; + struct list_head rx_packets[IWM_RX_ID_HASH]; + struct workqueue_struct *rx_wq; + struct work_struct rx_worker; + + struct iwm_tx_credit tx_credit; + struct iwm_tx_queue txq[IWM_TX_QUEUES]; + + struct iwm_key keys[IWM_NUM_KEYS]; + struct iwm_key *default_key; + + wait_queue_head_t mlme_queue; + + struct iw_statistics wstats; + struct delayed_work stats_request; + + struct iwm_debugfs dbg; + + u8 *eeprom; + struct timer_list watchdog; + struct work_struct reset_worker; + struct rfkill *rfkill; + + char private[0] __attribute__((__aligned__(NETDEV_ALIGN))); +}; + +static inline void *iwm_private(struct iwm_priv *iwm) +{ + BUG_ON(!iwm); + return &iwm->private; +} + +#define hw_to_iwm(h) (h->iwm) +#define iwm_to_dev(i) (wiphy_dev(i->wdev->wiphy)) +#define iwm_to_wiphy(i) (i->wdev->wiphy) +#define wiphy_to_iwm(w) (struct iwm_priv *)(wiphy_priv(w)) +#define iwm_to_wdev(i) (i->wdev) +#define wdev_to_iwm(w) (struct iwm_priv *)(wdev_priv(w)) +#define iwm_to_ndev(i) (i->wdev->netdev) +#define ndev_to_iwm(n) (wdev_to_iwm(n->ieee80211_ptr)) +#define skb_to_rx_info(s) ((struct iwm_rx_info *)(s->cb)) +#define skb_to_tx_info(s) ((struct iwm_tx_info *)s->cb) + +extern const struct iw_handler_def iwm_iw_handler_def; + +void *iwm_if_alloc(int sizeof_bus, struct device *dev, + struct iwm_if_ops *if_ops); +void iwm_if_free(struct iwm_priv *iwm); +int iwm_mode_to_nl80211_iftype(int mode); +int iwm_priv_init(struct iwm_priv *iwm); +void iwm_reset(struct iwm_priv *iwm); +void iwm_tx_credit_init_pools(struct iwm_priv *iwm, + struct iwm_umac_notif_alive *alive); +int iwm_tx_credit_alloc(struct iwm_priv *iwm, int id, int nb); +int iwm_notif_send(struct iwm_priv *iwm, struct iwm_wifi_cmd *cmd, + u8 cmd_id, u8 source, u8 *buf, unsigned long buf_size); +int iwm_notif_handle(struct iwm_priv *iwm, u32 cmd, u8 source, long timeout); +void iwm_init_default_profile(struct iwm_priv *iwm, + struct iwm_umac_profile *profile); +void iwm_link_on(struct iwm_priv *iwm); +void iwm_link_off(struct iwm_priv *iwm); +int iwm_up(struct iwm_priv *iwm); +int iwm_down(struct iwm_priv *iwm); + +/* TX API */ +void iwm_tx_credit_inc(struct iwm_priv *iwm, int id, int total_freed_pages); +void iwm_tx_worker(struct work_struct *work); +int iwm_xmit_frame(struct sk_buff *skb, struct net_device *netdev); + +/* RX API */ +void iwm_rx_setup_handlers(struct iwm_priv *iwm); +int iwm_rx_handle(struct iwm_priv *iwm, u8 *buf, unsigned long buf_size); +int iwm_rx_handle_resp(struct iwm_priv *iwm, u8 *buf, unsigned long buf_size, + struct iwm_wifi_cmd *cmd); +void iwm_rx_free(struct iwm_priv *iwm); + +/* RF Kill API */ +int iwm_rfkill_init(struct iwm_priv *iwm); +void iwm_rfkill_exit(struct iwm_priv *iwm); + +#endif |