ieee80211_crypto.h (93badfa1f2c7f97efac0842c59cccac862dfe112) ieee80211_crypto.h (ee9d294b3669bc8cbe3d782967bb547c73429f2f)
1/*-
2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

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68 * the cipher is expected to honor this and do the necessary work.
69 * Ciphers such as TKIP may also support mixed hardware/software
70 * encrypt/decrypt and MIC processing.
71 */
72typedef uint16_t ieee80211_keyix; /* h/w key index */
73
74struct ieee80211_key {
75 uint8_t wk_keylen; /* key length in bytes */
1/*-
2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

--- 59 unchanged lines hidden (view full) ---

68 * the cipher is expected to honor this and do the necessary work.
69 * Ciphers such as TKIP may also support mixed hardware/software
70 * encrypt/decrypt and MIC processing.
71 */
72typedef uint16_t ieee80211_keyix; /* h/w key index */
73
74struct ieee80211_key {
75 uint8_t wk_keylen; /* key length in bytes */
76 uint8_t wk_pad;
77 uint16_t wk_flags;
78#define IEEE80211_KEY_XMIT 0x0001 /* key used for xmit */
79#define IEEE80211_KEY_RECV 0x0002 /* key used for recv */
80#define IEEE80211_KEY_GROUP 0x0004 /* key used for WPA group operation */
81#define IEEE80211_KEY_NOREPLAY 0x0008 /* ignore replay failures */
82#define IEEE80211_KEY_SWENCRYPT 0x0010 /* host-based encrypt */
83#define IEEE80211_KEY_SWDECRYPT 0x0020 /* host-based decrypt */
84#define IEEE80211_KEY_SWENMIC 0x0040 /* host-based enmic */
85#define IEEE80211_KEY_SWDEMIC 0x0080 /* host-based demic */
86#define IEEE80211_KEY_DEVKEY 0x0100 /* device key request completed */
87#define IEEE80211_KEY_CIPHER0 0x1000 /* cipher-specific action 0 */
88#define IEEE80211_KEY_CIPHER1 0x2000 /* cipher-specific action 1 */
76 uint8_t wk_pad; /* .. some drivers use this. Fix that. */
77 uint8_t wk_pad1[2];
78 uint32_t wk_flags;
79#define IEEE80211_KEY_XMIT 0x00000001 /* key used for xmit */
80#define IEEE80211_KEY_RECV 0x00000002 /* key used for recv */
81#define IEEE80211_KEY_GROUP 0x00000004 /* key used for WPA group operation */
82#define IEEE80211_KEY_NOREPLAY 0x00000008 /* ignore replay failures */
83#define IEEE80211_KEY_SWENCRYPT 0x00000010 /* host-based encrypt */
84#define IEEE80211_KEY_SWDECRYPT 0x00000020 /* host-based decrypt */
85#define IEEE80211_KEY_SWENMIC 0x00000040 /* host-based enmic */
86#define IEEE80211_KEY_SWDEMIC 0x00000080 /* host-based demic */
87#define IEEE80211_KEY_DEVKEY 0x00000100 /* device key request completed */
88#define IEEE80211_KEY_CIPHER0 0x00001000 /* cipher-specific action 0 */
89#define IEEE80211_KEY_CIPHER1 0x00002000 /* cipher-specific action 1 */
90#define IEEE80211_KEY_NOIV 0x00004000 /* don't insert IV/MIC for !mgmt */
91#define IEEE80211_KEY_NOIVMGT 0x00008000 /* don't insert IV/MIC for mgmt */
92#define IEEE80211_KEY_NOMIC 0x00010000 /* don't insert MIC for !mgmt */
93#define IEEE80211_KEY_NOMICMGT 0x00020000 /* don't insert MIC for mgmt */
94
89 ieee80211_keyix wk_keyix; /* h/w key index */
90 ieee80211_keyix wk_rxkeyix; /* optional h/w rx key index */
91 uint8_t wk_key[IEEE80211_KEYBUF_SIZE+IEEE80211_MICBUF_SIZE];
92#define wk_txmic wk_key+IEEE80211_KEYBUF_SIZE+0 /* XXX can't () right */
93#define wk_rxmic wk_key+IEEE80211_KEYBUF_SIZE+8 /* XXX can't () right */
94 /* key receive sequence counter */
95 uint64_t wk_keyrsc[IEEE80211_TID_SIZE];
96 uint64_t wk_keytsc; /* key transmit sequence counter */

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198uint8_t ieee80211_crypto_get_keyid(struct ieee80211vap *vap,
199 struct ieee80211_key *k);
200struct ieee80211_key *ieee80211_crypto_get_txkey(struct ieee80211_node *,
201 struct mbuf *);
202struct ieee80211_key *ieee80211_crypto_encap(struct ieee80211_node *,
203 struct mbuf *);
204struct ieee80211_key *ieee80211_crypto_decap(struct ieee80211_node *,
205 struct mbuf *, int);
95 ieee80211_keyix wk_keyix; /* h/w key index */
96 ieee80211_keyix wk_rxkeyix; /* optional h/w rx key index */
97 uint8_t wk_key[IEEE80211_KEYBUF_SIZE+IEEE80211_MICBUF_SIZE];
98#define wk_txmic wk_key+IEEE80211_KEYBUF_SIZE+0 /* XXX can't () right */
99#define wk_rxmic wk_key+IEEE80211_KEYBUF_SIZE+8 /* XXX can't () right */
100 /* key receive sequence counter */
101 uint64_t wk_keyrsc[IEEE80211_TID_SIZE];
102 uint64_t wk_keytsc; /* key transmit sequence counter */

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204uint8_t ieee80211_crypto_get_keyid(struct ieee80211vap *vap,
205 struct ieee80211_key *k);
206struct ieee80211_key *ieee80211_crypto_get_txkey(struct ieee80211_node *,
207 struct mbuf *);
208struct ieee80211_key *ieee80211_crypto_encap(struct ieee80211_node *,
209 struct mbuf *);
210struct ieee80211_key *ieee80211_crypto_decap(struct ieee80211_node *,
211 struct mbuf *, int);
206
212int ieee80211_crypto_demic(struct ieee80211vap *vap, struct ieee80211_key *k,
213 struct mbuf *, int);
207/*
214/*
208 * Check and remove any MIC.
209 */
210static __inline int
211ieee80211_crypto_demic(struct ieee80211vap *vap, struct ieee80211_key *k,
212 struct mbuf *m, int force)
213{
214 const struct ieee80211_cipher *cip = k->wk_cipher;
215 return (cip->ic_miclen > 0 ? cip->ic_demic(k, m, force) : 1);
216}
217
218/*
219 * Add any MIC.
220 */
221static __inline int
222ieee80211_crypto_enmic(struct ieee80211vap *vap,
223 struct ieee80211_key *k, struct mbuf *m, int force)
224{
225 const struct ieee80211_cipher *cip = k->wk_cipher;
226 return (cip->ic_miclen > 0 ? cip->ic_enmic(k, m, force) : 1);

--- 27 unchanged lines hidden --- 		215 * Add any MIC.
216 */
217static __inline int
218ieee80211_crypto_enmic(struct ieee80211vap *vap,
219 struct ieee80211_key *k, struct mbuf *m, int force)
220{
221 const struct ieee80211_cipher *cip = k->wk_cipher;
222 return (cip->ic_miclen > 0 ? cip->ic_enmic(k, m, force) : 1);

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