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 @@ | |||
25 | 25 | ||
26 | #include <linux/skbuff.h> | 26 | #include <linux/skbuff.h> |
27 | 27 | ||
28 | enum { | ||
29 | IEEE80211_CRYPTO_TKIP_COUNTERMEASURES = (1 << 0), | ||
30 | }; | ||
31 | |||
28 | struct ieee80211_crypto_ops { | 32 | struct ieee80211_crypto_ops { |
29 | const char *name; | 33 | const char *name; |
30 | 34 | ||
31 | /* init new crypto context (e.g., allocate private data space, | 35 | /* init new crypto context (e.g., allocate private data space, |
32 | * select IV, etc.); returns NULL on failure or pointer to allocated | 36 | * select IV, etc.); returns NULL on failure or pointer to allocated |
33 | * private data on success */ | 37 | * private data on success */ |
34 | void * (*init)(int keyidx); | 38 | void *(*init) (int keyidx); |
35 | 39 | ||
36 | /* deinitialize crypto context and free allocated private data */ | 40 | /* deinitialize crypto context and free allocated private data */ |
37 | void (*deinit)(void *priv); | 41 | void (*deinit) (void *priv); |
42 | |||
43 | int (*build_iv) (struct sk_buff * skb, int hdr_len, void *priv); | ||
38 | 44 | ||
39 | /* encrypt/decrypt return < 0 on error or >= 0 on success. The return | 45 | /* encrypt/decrypt return < 0 on error or >= 0 on success. The return |
40 | * value from decrypt_mpdu is passed as the keyidx value for | 46 | * value from decrypt_mpdu is passed as the keyidx value for |
@@ -42,34 +48,39 @@ struct ieee80211_crypto_ops { | |||
42 | * encryption; if not, error will be returned; these functions are | 48 | * encryption; if not, error will be returned; these functions are |
43 | * called for all MPDUs (i.e., fragments). | 49 | * called for all MPDUs (i.e., fragments). |
44 | */ | 50 | */ |
45 | int (*encrypt_mpdu)(struct sk_buff *skb, int hdr_len, void *priv); | 51 | int (*encrypt_mpdu) (struct sk_buff * skb, int hdr_len, void *priv); |
46 | int (*decrypt_mpdu)(struct sk_buff *skb, int hdr_len, void *priv); | 52 | int (*decrypt_mpdu) (struct sk_buff * skb, int hdr_len, void *priv); |
47 | 53 | ||
48 | /* These functions are called for full MSDUs, i.e. full frames. | 54 | /* These functions are called for full MSDUs, i.e. full frames. |
49 | * These can be NULL if full MSDU operations are not needed. */ | 55 | * These can be NULL if full MSDU operations are not needed. */ |
50 | int (*encrypt_msdu)(struct sk_buff *skb, int hdr_len, void *priv); | 56 | int (*encrypt_msdu) (struct sk_buff * skb, int hdr_len, void *priv); |
51 | int (*decrypt_msdu)(struct sk_buff *skb, int keyidx, int hdr_len, | 57 | int (*decrypt_msdu) (struct sk_buff * skb, int keyidx, int hdr_len, |
52 | void *priv); | 58 | void *priv); |
53 | 59 | ||
54 | int (*set_key)(void *key, int len, u8 *seq, void *priv); | 60 | int (*set_key) (void *key, int len, u8 * seq, void *priv); |
55 | int (*get_key)(void *key, int len, u8 *seq, void *priv); | 61 | int (*get_key) (void *key, int len, u8 * seq, void *priv); |
56 | 62 | ||
57 | /* procfs handler for printing out key information and possible | 63 | /* procfs handler for printing out key information and possible |
58 | * statistics */ | 64 | * statistics */ |
59 | char * (*print_stats)(char *p, void *priv); | 65 | char *(*print_stats) (char *p, void *priv); |
66 | |||
67 | /* Crypto specific flag get/set for configuration settings */ | ||
68 | unsigned long (*get_flags) (void *priv); | ||
69 | unsigned long (*set_flags) (unsigned long flags, void *priv); | ||
60 | 70 | ||
61 | /* maximum number of bytes added by encryption; encrypt buf is | 71 | /* maximum number of bytes added by encryption; encrypt buf is |
62 | * allocated with extra_prefix_len bytes, copy of in_buf, and | 72 | * allocated with extra_prefix_len bytes, copy of in_buf, and |
63 | * extra_postfix_len; encrypt need not use all this space, but | 73 | * extra_postfix_len; encrypt need not use all this space, but |
64 | * the result must start at the beginning of the buffer and correct | 74 | * the result must start at the beginning of the buffer and correct |
65 | * length must be returned */ | 75 | * length must be returned */ |
66 | int extra_prefix_len, extra_postfix_len; | 76 | int extra_mpdu_prefix_len, extra_mpdu_postfix_len; |
77 | int extra_msdu_prefix_len, extra_msdu_postfix_len; | ||
67 | 78 | ||
68 | struct module *owner; | 79 | struct module *owner; |
69 | }; | 80 | }; |
70 | 81 | ||
71 | struct ieee80211_crypt_data { | 82 | struct ieee80211_crypt_data { |
72 | struct list_head list; /* delayed deletion list */ | 83 | struct list_head list; /* delayed deletion list */ |
73 | struct ieee80211_crypto_ops *ops; | 84 | struct ieee80211_crypto_ops *ops; |
74 | void *priv; | 85 | void *priv; |
75 | atomic_t refcnt; | 86 | atomic_t refcnt; |
@@ -77,10 +88,11 @@ struct ieee80211_crypt_data { | |||
77 | 88 | ||
78 | int ieee80211_register_crypto_ops(struct ieee80211_crypto_ops *ops); | 89 | int ieee80211_register_crypto_ops(struct ieee80211_crypto_ops *ops); |
79 | int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops); | 90 | int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops); |
80 | struct ieee80211_crypto_ops * ieee80211_get_crypto_ops(const char *name); | 91 | struct ieee80211_crypto_ops *ieee80211_get_crypto_ops(const char *name); |
81 | void ieee80211_crypt_deinit_entries(struct ieee80211_device *, int); | 92 | void ieee80211_crypt_deinit_entries(struct ieee80211_device *, int); |
82 | void ieee80211_crypt_deinit_handler(unsigned long); | 93 | void ieee80211_crypt_deinit_handler(unsigned long); |
83 | void ieee80211_crypt_delayed_deinit(struct ieee80211_device *ieee, | 94 | void ieee80211_crypt_delayed_deinit(struct ieee80211_device *ieee, |
84 | struct ieee80211_crypt_data **crypt); | 95 | struct ieee80211_crypt_data **crypt); |
96 | void ieee80211_crypt_quiescing(struct ieee80211_device *ieee); | ||
85 | 97 | ||
86 | #endif | 98 | #endif |