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Diffstat (limited to 'include/net/ieee80211_crypt.h')
-rw-r--r--include/net/ieee80211_crypt.h39
1 files changed, 26 insertions, 13 deletions
diff --git a/include/net/ieee80211_crypt.h b/include/net/ieee80211_crypt.h
index b58a3bcc0dc..225fc751d46 100644
--- a/include/net/ieee80211_crypt.h
+++ b/include/net/ieee80211_crypt.h
@@ -25,16 +25,23 @@
#include <linux/skbuff.h>
+enum {
+ IEEE80211_CRYPTO_TKIP_COUNTERMEASURES = (1 << 0),
+};
+
struct ieee80211_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);
+ void *(*init) (int keyidx);
/* deinitialize crypto context and free allocated private data */
- void (*deinit)(void *priv);
+ void (*deinit) (void *priv);
+
+ int (*build_iv) (struct sk_buff * skb, int hdr_len, 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
@@ -42,34 +49,39 @@ struct ieee80211_crypto_ops {
* 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);
+ 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 (*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);
+ 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 */
- char * (*print_stats)(char *p, void *priv);
+ char *(*print_stats) (char *p, 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_prefix_len, extra_postfix_len;
+ int extra_mpdu_prefix_len, extra_mpdu_postfix_len;
+ int extra_msdu_prefix_len, extra_msdu_postfix_len;
struct module *owner;
};
struct ieee80211_crypt_data {
- struct list_head list; /* delayed deletion list */
+ struct list_head list; /* delayed deletion list */
struct ieee80211_crypto_ops *ops;
void *priv;
atomic_t refcnt;
@@ -77,10 +89,11 @@ struct ieee80211_crypt_data {
int ieee80211_register_crypto_ops(struct ieee80211_crypto_ops *ops);
int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops);
-struct ieee80211_crypto_ops * ieee80211_get_crypto_ops(const char *name);
+struct ieee80211_crypto_ops *ieee80211_get_crypto_ops(const char *name);
void ieee80211_crypt_deinit_entries(struct ieee80211_device *, int);
void ieee80211_crypt_deinit_handler(unsigned long);
void ieee80211_crypt_delayed_deinit(struct ieee80211_device *ieee,
struct ieee80211_crypt_data **crypt);
+void ieee80211_crypt_quiescing(struct ieee80211_device *ieee);
#endif