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-rw-r--r--net/mac80211/wpa.c72
1 files changed, 36 insertions, 36 deletions
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 6f04311cf0a0..c628fa93f574 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -70,7 +70,7 @@ static int ieee80211_get_hdr_info(const struct sk_buff *skb, u8 **sa, u8 **da,
70} 70}
71 71
72 72
73ieee80211_txrx_result 73ieee80211_tx_result
74ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx) 74ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx)
75{ 75{
76 u8 *data, *sa, *da, *key, *mic, qos_tid; 76 u8 *data, *sa, *da, *key, *mic, qos_tid;
@@ -84,10 +84,10 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx)
84 84
85 if (!tx->key || tx->key->conf.alg != ALG_TKIP || skb->len < 24 || 85 if (!tx->key || tx->key->conf.alg != ALG_TKIP || skb->len < 24 ||
86 !WLAN_FC_DATA_PRESENT(fc)) 86 !WLAN_FC_DATA_PRESENT(fc))
87 return TXRX_CONTINUE; 87 return TX_CONTINUE;
88 88
89 if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len)) 89 if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len))
90 return TXRX_DROP; 90 return TX_DROP;
91 91
92 if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) && 92 if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) &&
93 !(tx->flags & IEEE80211_TXRXD_FRAGMENTED) && 93 !(tx->flags & IEEE80211_TXRXD_FRAGMENTED) &&
@@ -95,7 +95,7 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx)
95 !wpa_test) { 95 !wpa_test) {
96 /* hwaccel - with no need for preallocated room for Michael MIC 96 /* hwaccel - with no need for preallocated room for Michael MIC
97 */ 97 */
98 return TXRX_CONTINUE; 98 return TX_CONTINUE;
99 } 99 }
100 100
101 if (skb_tailroom(skb) < MICHAEL_MIC_LEN) { 101 if (skb_tailroom(skb) < MICHAEL_MIC_LEN) {
@@ -105,7 +105,7 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx)
105 GFP_ATOMIC))) { 105 GFP_ATOMIC))) {
106 printk(KERN_DEBUG "%s: failed to allocate more memory " 106 printk(KERN_DEBUG "%s: failed to allocate more memory "
107 "for Michael MIC\n", tx->dev->name); 107 "for Michael MIC\n", tx->dev->name);
108 return TXRX_DROP; 108 return TX_DROP;
109 } 109 }
110 } 110 }
111 111
@@ -119,11 +119,11 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx)
119 mic = skb_put(skb, MICHAEL_MIC_LEN); 119 mic = skb_put(skb, MICHAEL_MIC_LEN);
120 michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic); 120 michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic);
121 121
122 return TXRX_CONTINUE; 122 return TX_CONTINUE;
123} 123}
124 124
125 125
126ieee80211_txrx_result 126ieee80211_rx_result
127ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx) 127ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx)
128{ 128{
129 u8 *data, *sa, *da, *key = NULL, qos_tid; 129 u8 *data, *sa, *da, *key = NULL, qos_tid;
@@ -140,15 +140,15 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx)
140 * No way to verify the MIC if the hardware stripped it 140 * No way to verify the MIC if the hardware stripped it
141 */ 141 */
142 if (rx->u.rx.status->flag & RX_FLAG_MMIC_STRIPPED) 142 if (rx->u.rx.status->flag & RX_FLAG_MMIC_STRIPPED)
143 return TXRX_CONTINUE; 143 return RX_CONTINUE;
144 144
145 if (!rx->key || rx->key->conf.alg != ALG_TKIP || 145 if (!rx->key || rx->key->conf.alg != ALG_TKIP ||
146 !(rx->fc & IEEE80211_FCTL_PROTECTED) || !WLAN_FC_DATA_PRESENT(fc)) 146 !(rx->fc & IEEE80211_FCTL_PROTECTED) || !WLAN_FC_DATA_PRESENT(fc))
147 return TXRX_CONTINUE; 147 return RX_CONTINUE;
148 148
149 if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len) 149 if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len)
150 || data_len < MICHAEL_MIC_LEN) 150 || data_len < MICHAEL_MIC_LEN)
151 return TXRX_DROP; 151 return RX_DROP;
152 152
153 data_len -= MICHAEL_MIC_LEN; 153 data_len -= MICHAEL_MIC_LEN;
154 154
@@ -162,14 +162,14 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx)
162 michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic); 162 michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic);
163 if (memcmp(mic, data + data_len, MICHAEL_MIC_LEN) != 0 || wpa_test) { 163 if (memcmp(mic, data + data_len, MICHAEL_MIC_LEN) != 0 || wpa_test) {
164 if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) 164 if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH))
165 return TXRX_DROP; 165 return RX_DROP;
166 166
167 printk(KERN_DEBUG "%s: invalid Michael MIC in data frame from " 167 printk(KERN_DEBUG "%s: invalid Michael MIC in data frame from "
168 "%s\n", rx->dev->name, print_mac(mac, sa)); 168 "%s\n", rx->dev->name, print_mac(mac, sa));
169 169
170 mac80211_ev_michael_mic_failure(rx->dev, rx->key->conf.keyidx, 170 mac80211_ev_michael_mic_failure(rx->dev, rx->key->conf.keyidx,
171 (void *) skb->data); 171 (void *) skb->data);
172 return TXRX_DROP; 172 return RX_DROP;
173 } 173 }
174 174
175 /* remove Michael MIC from payload */ 175 /* remove Michael MIC from payload */
@@ -179,7 +179,7 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx)
179 rx->key->u.tkip.iv32_rx[rx->u.rx.queue] = rx->u.rx.tkip_iv32; 179 rx->key->u.tkip.iv32_rx[rx->u.rx.queue] = rx->u.rx.tkip_iv32;
180 rx->key->u.tkip.iv16_rx[rx->u.rx.queue] = rx->u.rx.tkip_iv16; 180 rx->key->u.tkip.iv16_rx[rx->u.rx.queue] = rx->u.rx.tkip_iv16;
181 181
182 return TXRX_CONTINUE; 182 return RX_CONTINUE;
183} 183}
184 184
185 185
@@ -242,7 +242,7 @@ static int tkip_encrypt_skb(struct ieee80211_txrx_data *tx,
242} 242}
243 243
244 244
245ieee80211_txrx_result 245ieee80211_tx_result
246ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_data *tx) 246ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_data *tx)
247{ 247{
248 struct sk_buff *skb = tx->skb; 248 struct sk_buff *skb = tx->skb;
@@ -257,26 +257,26 @@ ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_data *tx)
257 !wpa_test) { 257 !wpa_test) {
258 /* hwaccel - with no need for preallocated room for IV/ICV */ 258 /* hwaccel - with no need for preallocated room for IV/ICV */
259 tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx; 259 tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx;
260 return TXRX_CONTINUE; 260 return TX_CONTINUE;
261 } 261 }
262 262
263 if (tkip_encrypt_skb(tx, skb, test) < 0) 263 if (tkip_encrypt_skb(tx, skb, test) < 0)
264 return TXRX_DROP; 264 return TX_DROP;
265 265
266 if (tx->u.tx.extra_frag) { 266 if (tx->u.tx.extra_frag) {
267 int i; 267 int i;
268 for (i = 0; i < tx->u.tx.num_extra_frag; i++) { 268 for (i = 0; i < tx->u.tx.num_extra_frag; i++) {
269 if (tkip_encrypt_skb(tx, tx->u.tx.extra_frag[i], test) 269 if (tkip_encrypt_skb(tx, tx->u.tx.extra_frag[i], test)
270 < 0) 270 < 0)
271 return TXRX_DROP; 271 return TX_DROP;
272 } 272 }
273 } 273 }
274 274
275 return TXRX_CONTINUE; 275 return TX_CONTINUE;
276} 276}
277 277
278 278
279ieee80211_txrx_result 279ieee80211_rx_result
280ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx) 280ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx)
281{ 281{
282 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; 282 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
@@ -290,10 +290,10 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx)
290 hdrlen = ieee80211_get_hdrlen(fc); 290 hdrlen = ieee80211_get_hdrlen(fc);
291 291
292 if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA) 292 if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)
293 return TXRX_CONTINUE; 293 return RX_CONTINUE;
294 294
295 if (!rx->sta || skb->len - hdrlen < 12) 295 if (!rx->sta || skb->len - hdrlen < 12)
296 return TXRX_DROP; 296 return RX_DROP;
297 297
298 if (rx->u.rx.status->flag & RX_FLAG_DECRYPTED) { 298 if (rx->u.rx.status->flag & RX_FLAG_DECRYPTED) {
299 if (rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED) { 299 if (rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED) {
@@ -302,7 +302,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx)
302 * replay protection, and stripped the ICV/IV so 302 * replay protection, and stripped the ICV/IV so
303 * we cannot do any checks here. 303 * we cannot do any checks here.
304 */ 304 */
305 return TXRX_CONTINUE; 305 return RX_CONTINUE;
306 } 306 }
307 307
308 /* let TKIP code verify IV, but skip decryption */ 308 /* let TKIP code verify IV, but skip decryption */
@@ -322,7 +322,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx)
322 "frame from %s (res=%d)\n", rx->dev->name, 322 "frame from %s (res=%d)\n", rx->dev->name,
323 print_mac(mac, rx->sta->addr), res); 323 print_mac(mac, rx->sta->addr), res);
324#endif /* CONFIG_MAC80211_DEBUG */ 324#endif /* CONFIG_MAC80211_DEBUG */
325 return TXRX_DROP; 325 return RX_DROP;
326 } 326 }
327 327
328 /* Trim ICV */ 328 /* Trim ICV */
@@ -332,7 +332,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx)
332 memmove(skb->data + TKIP_IV_LEN, skb->data, hdrlen); 332 memmove(skb->data + TKIP_IV_LEN, skb->data, hdrlen);
333 skb_pull(skb, TKIP_IV_LEN); 333 skb_pull(skb, TKIP_IV_LEN);
334 334
335 return TXRX_CONTINUE; 335 return RX_CONTINUE;
336} 336}
337 337
338 338
@@ -491,7 +491,7 @@ static int ccmp_encrypt_skb(struct ieee80211_txrx_data *tx,
491} 491}
492 492
493 493
494ieee80211_txrx_result 494ieee80211_tx_result
495ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_data *tx) 495ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_data *tx)
496{ 496{
497 struct sk_buff *skb = tx->skb; 497 struct sk_buff *skb = tx->skb;
@@ -506,26 +506,26 @@ ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_data *tx)
506 /* hwaccel - with no need for preallocated room for CCMP " 506 /* hwaccel - with no need for preallocated room for CCMP "
507 * header or MIC fields */ 507 * header or MIC fields */
508 tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx; 508 tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx;
509 return TXRX_CONTINUE; 509 return TX_CONTINUE;
510 } 510 }
511 511
512 if (ccmp_encrypt_skb(tx, skb, test) < 0) 512 if (ccmp_encrypt_skb(tx, skb, test) < 0)
513 return TXRX_DROP; 513 return TX_DROP;
514 514
515 if (tx->u.tx.extra_frag) { 515 if (tx->u.tx.extra_frag) {
516 int i; 516 int i;
517 for (i = 0; i < tx->u.tx.num_extra_frag; i++) { 517 for (i = 0; i < tx->u.tx.num_extra_frag; i++) {
518 if (ccmp_encrypt_skb(tx, tx->u.tx.extra_frag[i], test) 518 if (ccmp_encrypt_skb(tx, tx->u.tx.extra_frag[i], test)
519 < 0) 519 < 0)
520 return TXRX_DROP; 520 return TX_DROP;
521 } 521 }
522 } 522 }
523 523
524 return TXRX_CONTINUE; 524 return TX_CONTINUE;
525} 525}
526 526
527 527
528ieee80211_txrx_result 528ieee80211_rx_result
529ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx) 529ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx)
530{ 530{
531 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; 531 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
@@ -541,15 +541,15 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx)
541 hdrlen = ieee80211_get_hdrlen(fc); 541 hdrlen = ieee80211_get_hdrlen(fc);
542 542
543 if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA) 543 if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)
544 return TXRX_CONTINUE; 544 return RX_CONTINUE;
545 545
546 data_len = skb->len - hdrlen - CCMP_HDR_LEN - CCMP_MIC_LEN; 546 data_len = skb->len - hdrlen - CCMP_HDR_LEN - CCMP_MIC_LEN;
547 if (!rx->sta || data_len < 0) 547 if (!rx->sta || data_len < 0)
548 return TXRX_DROP; 548 return RX_DROP;
549 549
550 if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) && 550 if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) &&
551 (rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED)) 551 (rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED))
552 return TXRX_CONTINUE; 552 return RX_CONTINUE;
553 553
554 (void) ccmp_hdr2pn(pn, skb->data + hdrlen); 554 (void) ccmp_hdr2pn(pn, skb->data + hdrlen);
555 555
@@ -565,7 +565,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx)
565 ppn[0], ppn[1], ppn[2], ppn[3], ppn[4], ppn[5]); 565 ppn[0], ppn[1], ppn[2], ppn[3], ppn[4], ppn[5]);
566#endif /* CONFIG_MAC80211_DEBUG */ 566#endif /* CONFIG_MAC80211_DEBUG */
567 key->u.ccmp.replays++; 567 key->u.ccmp.replays++;
568 return TXRX_DROP; 568 return RX_DROP;
569 } 569 }
570 570
571 if (!(rx->u.rx.status->flag & RX_FLAG_DECRYPTED)) { 571 if (!(rx->u.rx.status->flag & RX_FLAG_DECRYPTED)) {
@@ -589,7 +589,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx)
589 "for RX frame from %s\n", rx->dev->name, 589 "for RX frame from %s\n", rx->dev->name,
590 print_mac(mac, rx->sta->addr)); 590 print_mac(mac, rx->sta->addr));
591#endif /* CONFIG_MAC80211_DEBUG */ 591#endif /* CONFIG_MAC80211_DEBUG */
592 return TXRX_DROP; 592 return RX_DROP;
593 } 593 }
594 } 594 }
595 595
@@ -600,5 +600,5 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx)
600 memmove(skb->data + CCMP_HDR_LEN, skb->data, hdrlen); 600 memmove(skb->data + CCMP_HDR_LEN, skb->data, hdrlen);
601 skb_pull(skb, CCMP_HDR_LEN); 601 skb_pull(skb, CCMP_HDR_LEN);
602 602
603 return TXRX_CONTINUE; 603 return RX_CONTINUE;
604} 604}