Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik...

[cascardo/linux.git] / include / net / ieee80211_crypt.h

diff --git a/include/net/ieee80211_crypt.h b/include/net/ieee80211_crypt.h
index b58a3bc..03b766a 100644 (file)
--- a/include/net/ieee80211_crypt.h
+++ b/include/net/ieee80211_crypt.h
@@ -23,18 +23,30 @@
 #ifndef IEEE80211_CRYPT_H
 #define IEEE80211_CRYPT_H
 
-#include <linux/skbuff.h>
+#include <linux/types.h>
+#include <linux/list.h>
+#include <asm/atomic.h>
+
+enum {
+       IEEE80211_CRYPTO_TKIP_COUNTERMEASURES = (1 << 0),
+};
+
+struct sk_buff;
+struct module;
 
 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
@@ -42,45 +54,53 @@ 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;
 };
 
+struct ieee80211_device;
+
 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