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Diffstat (limited to 'drivers/net/wireless/intel/ipw2x00/libipw.h')
-rw-r--r--drivers/net/wireless/intel/ipw2x00/libipw.h114
1 files changed, 111 insertions, 3 deletions
diff --git a/drivers/net/wireless/intel/ipw2x00/libipw.h b/drivers/net/wireless/intel/ipw2x00/libipw.h
index bad080d33c07..3c20353e5a41 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"
@@ -699,6 +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;
@@ -720,6 +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;
@@ -751,7 +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 */
@@ -988,4 +1057,43 @@ 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 */