diff options
Diffstat (limited to 'include/net/ieee80211_crypt.h')
| -rw-r--r-- | include/net/ieee80211_crypt.h | 38 |
1 files changed, 25 insertions, 13 deletions
diff --git a/include/net/ieee80211_crypt.h b/include/net/ieee80211_crypt.h index b58a3bcc0dc0..0a1c2d82ca4b 100644 --- a/include/net/ieee80211_crypt.h +++ b/include/net/ieee80211_crypt.h @@ -25,16 +25,22 @@ #include <linux/skbuff.h> +enum { + IEEE80211_CRYPTO_TKIP_COUNTERMEASURES = (1 << 0), +}; + struct ieee80211_crypto_ops { const char *name; /* 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 +48,39 @@ 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 +88,11 @@ 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 |