diff options
Diffstat (limited to 'drivers/net/wireless/intel/ipw2x00/libipw.h')
| -rw-r--r-- | drivers/net/wireless/intel/ipw2x00/libipw.h | 162 |
1 files changed, 129 insertions, 33 deletions
diff --git a/drivers/net/wireless/intel/ipw2x00/libipw.h b/drivers/net/wireless/intel/ipw2x00/libipw.h index 9065ca5b0208..e031e8692ca6 100644 --- a/drivers/net/wireless/intel/ipw2x00/libipw.h +++ b/drivers/net/wireless/intel/ipw2x00/libipw.h @@ -25,8 +25,6 @@ #include <linux/kernel.h> /* ARRAY_SIZE */ #include <linux/wireless.h> #include <linux/ieee80211.h> - -#include <net/lib80211.h> #include <net/cfg80211.h> #define LIBIPW_VERSION "git-1.1.13" @@ -345,14 +343,19 @@ struct libipw_hdr_2addr { } __packed; struct libipw_hdr_3addr { - __le16 frame_ctl; - __le16 duration_id; - u8 addr1[ETH_ALEN]; - u8 addr2[ETH_ALEN]; - u8 addr3[ETH_ALEN]; - __le16 seq_ctl; + /* New members MUST be added within the __struct_group() macro below. */ + __struct_group(libipw_hdr_3addr_hdr, hdr, __packed, + __le16 frame_ctl; + __le16 duration_id; + u8 addr1[ETH_ALEN]; + u8 addr2[ETH_ALEN]; + u8 addr3[ETH_ALEN]; + __le16 seq_ctl; + ); u8 payload[]; } __packed; +static_assert(offsetof(struct libipw_hdr_3addr, payload) == sizeof(struct libipw_hdr_3addr_hdr), + "struct member likely outside of __struct_group()"); struct libipw_hdr_4addr { __le16 frame_ctl; @@ -400,7 +403,7 @@ struct libipw_info_element { */ struct libipw_auth { - struct libipw_hdr_3addr header; + struct libipw_hdr_3addr_hdr header; __le16 algorithm; __le16 transaction; __le16 status; @@ -417,7 +420,7 @@ struct libipw_channel_switch { } __packed; struct libipw_action { - struct libipw_hdr_3addr header; + struct libipw_hdr_3addr_hdr header; u8 category; u8 action; union { @@ -430,7 +433,7 @@ struct libipw_action { } __packed; struct libipw_disassoc { - struct libipw_hdr_3addr header; + struct libipw_hdr_3addr_hdr header; __le16 reason; } __packed; @@ -438,13 +441,13 @@ struct libipw_disassoc { #define libipw_deauth libipw_disassoc struct libipw_probe_request { - struct libipw_hdr_3addr header; + struct libipw_hdr_3addr_hdr header; /* SSID, supported rates */ u8 variable[]; } __packed; struct libipw_probe_response { - struct libipw_hdr_3addr header; + struct libipw_hdr_3addr_hdr header; __le32 time_stamp[2]; __le16 beacon_interval; __le16 capability; @@ -456,16 +459,8 @@ struct libipw_probe_response { /* Alias beacon for probe_response */ #define libipw_beacon libipw_probe_response -struct libipw_assoc_request { - struct libipw_hdr_3addr header; - __le16 capability; - __le16 listen_interval; - /* SSID, supported rates, RSN */ - u8 variable[]; -} __packed; - struct libipw_reassoc_request { - struct libipw_hdr_3addr header; + struct libipw_hdr_3addr_hdr header; __le16 capability; __le16 listen_interval; u8 current_ap[ETH_ALEN]; @@ -473,7 +468,7 @@ struct libipw_reassoc_request { } __packed; struct libipw_assoc_response { - struct libipw_hdr_3addr header; + struct libipw_hdr_3addr_hdr header; __le16 capability; __le16 status; __le16 aid; @@ -588,13 +583,6 @@ struct libipw_channel_map { u8 map; } __packed; -struct libipw_ibss_dfs { - struct libipw_info_element ie; - u8 owner[ETH_ALEN]; - u8 recovery_interval; - struct libipw_channel_map channel_map[]; -}; - struct libipw_csa { u8 mode; u8 channel; @@ -709,6 +697,76 @@ struct libipw_geo { struct libipw_channel a[LIBIPW_52GHZ_CHANNELS]; }; +#define NUM_WEP_KEYS 4 + +enum { + IEEE80211_CRYPTO_TKIP_COUNTERMEASURES = (1 << 0), +}; + +struct module; + +struct libipw_crypto_ops { + const char *name; + struct list_head list; + + /* init new crypto context (e.g., allocate private data space, + * select IV, etc.); returns NULL on failure or pointer to allocated + * private data on success */ + void *(*init) (int keyidx); + + /* deinitialize crypto context and free allocated private data */ + void (*deinit) (void *priv); + + /* encrypt/decrypt return < 0 on error or >= 0 on success. The return + * value from decrypt_mpdu is passed as the keyidx value for + * decrypt_msdu. skb must have enough head and tail room for the + * encryption; if not, error will be returned; these functions are + * called for all MPDUs (i.e., fragments). + */ + int (*encrypt_mpdu) (struct sk_buff * skb, int hdr_len, void *priv); + int (*decrypt_mpdu) (struct sk_buff * skb, int hdr_len, void *priv); + + /* These functions are called for full MSDUs, i.e. full frames. + * These can be NULL if full MSDU operations are not needed. */ + int (*encrypt_msdu) (struct sk_buff * skb, int hdr_len, void *priv); + int (*decrypt_msdu) (struct sk_buff * skb, int keyidx, int hdr_len, + void *priv); + + int (*set_key) (void *key, int len, u8 * seq, void *priv); + int (*get_key) (void *key, int len, u8 * seq, void *priv); + + /* procfs handler for printing out key information and possible + * statistics */ + void (*print_stats) (struct seq_file *m, void *priv); + + /* Crypto specific flag get/set for configuration settings */ + unsigned long (*get_flags) (void *priv); + unsigned long (*set_flags) (unsigned long flags, void *priv); + + /* maximum number of bytes added by encryption; encrypt buf is + * allocated with extra_prefix_len bytes, copy of in_buf, and + * extra_postfix_len; encrypt need not use all this space, but + * the result must start at the beginning of the buffer and correct + * length must be returned */ + int extra_mpdu_prefix_len, extra_mpdu_postfix_len; + int extra_msdu_prefix_len, extra_msdu_postfix_len; + + struct module *owner; +}; + +struct libipw_crypt_info { + char *name; + /* Most clients will already have a lock, + so just point to that. */ + spinlock_t *lock; + + struct libipw_crypt_data *crypt[NUM_WEP_KEYS]; + int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */ + struct list_head crypt_deinit_list; + struct timer_list crypt_deinit_timer; + int crypt_quiesced; +}; + struct libipw_device { struct net_device *dev; struct wireless_dev wdev; @@ -730,6 +788,7 @@ struct libipw_device { int iw_mode; /* operating mode (IW_MODE_*) */ struct iw_spy_data spy_data; /* iwspy support */ + bool spy_enabled; spinlock_t lock; @@ -761,7 +820,7 @@ struct libipw_device { size_t wpa_ie_len; u8 *wpa_ie; - struct lib80211_crypt_info crypt_info; + struct libipw_crypt_info crypt_info; int bcrx_sta_key; /* use individual keys to override default keys even * with RX of broad/multicast frames */ @@ -952,8 +1011,6 @@ netdev_tx_t libipw_xmit(struct sk_buff *skb, struct net_device *dev); void libipw_txb_free(struct libipw_txb *); /* libipw_rx.c */ -void libipw_rx_any(struct libipw_device *ieee, struct sk_buff *skb, - struct libipw_rx_stats *stats); int libipw_rx(struct libipw_device *ieee, struct sk_buff *skb, struct libipw_rx_stats *rx_stats); /* make sure to set stats->len */ @@ -998,4 +1055,43 @@ static inline int libipw_get_scans(struct libipw_device *ieee) return ieee->scans; } +struct libipw_crypt_data { + struct list_head list; /* delayed deletion list */ + const struct libipw_crypto_ops *ops; + void *priv; + atomic_t refcnt; +}; + +int libipw_crypt_info_init(struct libipw_crypt_info *info, char *name, + spinlock_t *lock); +void libipw_crypt_info_free(struct libipw_crypt_info *info); +int libipw_register_crypto_ops(const struct libipw_crypto_ops *ops); +int libipw_unregister_crypto_ops(const struct libipw_crypto_ops *ops); +const struct libipw_crypto_ops *libipw_get_crypto_ops(const char *name); +void libipw_crypt_delayed_deinit(struct libipw_crypt_info *info, + struct libipw_crypt_data **crypt); + +/* must be called in the listed order */ +int libipw_crypto_init(void); +int libipw_crypto_ccmp_init(void); +int libipw_crypto_tkip_init(void); +int libipw_crypto_wep_init(void); + +void libipw_crypto_wep_exit(void); +void libipw_crypto_tkip_exit(void); +void libipw_crypto_ccmp_exit(void); +void libipw_crypto_exit(void); + + +int ipw_wx_set_spy(struct net_device *dev, struct iw_request_info *info, + union iwreq_data *wrqu, char *extra); +int ipw_wx_get_spy(struct net_device *dev, struct iw_request_info *info, + union iwreq_data *wrqu, char *extra); +int ipw_wx_set_thrspy(struct net_device *dev, struct iw_request_info *info, + union iwreq_data *wrqu, char *extra); +int ipw_wx_get_thrspy(struct net_device *dev, struct iw_request_info *info, + union iwreq_data *wrqu, char *extra); +void libipw_spy_update(struct net_device *dev, unsigned char *address, + struct iw_quality *wstats); + #endif /* LIBIPW_H */ |