freebsd_wlan/net80211/ieee80211_crypto.c

64 null_key_alloc(struct ieee80211vap *vap, struct ieee80211_key *k,
67 	if (!(&vap->iv_nw_keys[0] <= k &&
68 	     k < &vap->iv_nw_keys[IEEE80211_WEP_NKID])) {
83 		*keyix = ieee80211_crypto_get_key_wepidx(vap, k);
89 null_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k)
94 null_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k)
98 static void null_key_update(struct ieee80211vap *vap) {}
110 cipher_attach(struct ieee80211vap *vap, struct ieee80211_key *key)
112 	return key->wk_cipher->ic_attach(vap, key);
119 dev_key_alloc(struct ieee80211vap *vap,
123 	return vap->iv_key_alloc(vap, key, keyix, rxkeyix);
127 dev_key_delete(struct ieee80211vap *vap,
130 	return vap->iv_key_delete(vap, key);
134 dev_key_set(struct ieee80211vap *vap, const struct ieee80211_key *key)
136 	return vap->iv_key_set(vap, key);
158  * Setup crypto support for a vap.
161 ieee80211_crypto_vattach(struct ieee80211vap *vap)
166 	vap->iv_max_keyix = IEEE80211_WEP_NKID;
167 	vap->iv_def_txkey = IEEE80211_KEYIX_NONE;
169 		ieee80211_crypto_resetkey(vap, &vap->iv_nw_keys[i],
175 	vap->iv_key_alloc = null_key_alloc;
176 	vap->iv_key_set = null_key_set;
177 	vap->iv_key_delete = null_key_delete;
178 	vap->iv_key_update_begin = null_key_update;
179 	vap->iv_key_update_end = null_key_update;
183  * Teardown crypto support for a vap.
186 ieee80211_crypto_vdetach(struct ieee80211vap *vap)
188 	ieee80211_crypto_delglobalkeys(vap);
260  *	ieee80211_key_update_begin(vap);
261  *	ieee80211_key_update_end(vap);
264 ieee80211_crypto_newkey(struct ieee80211vap *vap,
267 	struct ieee80211com *ic = vap->iv_ic;
273 	IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
281 		IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
283 		vap->iv_stats.is_crypto_badcipher++;
294 		IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
305 			IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
308 			vap->iv_stats.is_crypto_nocipher++;
322 		IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
334 		IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
354 		keyctx = cip->ic_attach(vap, key);
356 			IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
360 			vap->iv_stats.is_crypto_attachfail++;
377 		if (!dev_key_alloc(vap, key, &keyix, &rxkeyix)) {
381 			vap->iv_stats.is_crypto_keyfail++;
382 			IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
394 			IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
398 			keyctx = cip->ic_attach(vap, key);
400 				IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
405 				vap->iv_stats.is_crypto_attachfail++;
423 _ieee80211_crypto_delkey(struct ieee80211vap *vap, struct ieee80211_key *key)
427 	IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
439 		if (!dev_key_delete(vap, key)) {
440 			IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
443 			vap->iv_stats.is_crypto_delkey++;
449 	ieee80211_crypto_resetkey(vap, key, IEEE80211_KEYIX_NONE);
457 ieee80211_crypto_delkey(struct ieee80211vap *vap, struct ieee80211_key *key)
461 	ieee80211_key_update_begin(vap);
462 	status = _ieee80211_crypto_delkey(vap, key);
463 	ieee80211_key_update_end(vap);
471 ieee80211_crypto_delglobalkeys(struct ieee80211vap *vap)
475 	ieee80211_key_update_begin(vap);
477 		(void) _ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[i]);
478 	ieee80211_key_update_end(vap);
485  *	ieee80211_key_update_begin(vap);
486  *	ieee80211_key_update_end(vap);
489 ieee80211_crypto_setkey(struct ieee80211vap *vap, struct ieee80211_key *key)
495 	IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
504 		IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
507 		vap->iv_stats.is_crypto_setkey_nokey++;
515 		IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
519 		vap->iv_stats.is_crypto_setkey_cipher++;
522 	return dev_key_set(vap, key);
532 ieee80211_crypto_get_key_wepidx(const struct ieee80211vap *vap,
536 	if (k >= &vap->iv_nw_keys[0] &&
537 	    k <  &vap->iv_nw_keys[IEEE80211_WEP_NKID])
538 		return (k - vap->iv_nw_keys);
546 ieee80211_crypto_get_keyid(struct ieee80211vap *vap, struct ieee80211_key *k)
548 	if (k >= &vap->iv_nw_keys[0] &&
549 	    k <  &vap->iv_nw_keys[IEEE80211_WEP_NKID])
550 		return (k - vap->iv_nw_keys);
558 	struct ieee80211vap *vap = ni->ni_vap;
570 		if (vap->iv_def_txkey == IEEE80211_KEYIX_NONE) {
571 			IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_CRYPTO,
574 			    __func__, vap->iv_def_txkey);
575 			vap->iv_stats.is_tx_nodefkey++;
578 		return &vap->iv_nw_keys[vap->iv_def_txkey];
613 	struct ieee80211vap *vap = ni->ni_vap;
642 		IEEE80211_DPRINTF(vap, IEEE80211_MSG_ANY,
645 		vap->iv_stats.is_rx_tooshort++;	/* XXX need unique stat? */
660 		k = &vap->iv_nw_keys[keyid >> 6];
670 		IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_CRYPTO, wh->i_addr2,
673 		vap->iv_stats.is_rx_tooshort++;
701 ieee80211_crypto_demic(struct ieee80211vap *vap, struct ieee80211_key *k,
724 			ieee80211_notify_michael_failure(vap, wh, -1);
753 	struct ieee80211vap *vap = ni->ni_vap;
756 	if (vap->iv_state != IEEE80211_S_RUN)
760 		dev_key_set(vap, k);
771 	struct ieee80211vap *vap;
775 	 * Keys in the global key table of each vap.
778 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
779 		if (vap->iv_state != IEEE80211_S_RUN)
782 			const struct ieee80211_key *k = &vap->iv_nw_keys[i];
784 				dev_key_set(vap, k);
800 ieee80211_crypto_set_deftxkey(struct ieee80211vap *vap, ieee80211_keyix kid)
805 	vap->iv_update_deftxkey(vap, kid);