}
-ieee80211_txrx_result
-ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx)
+ieee80211_tx_result
+ieee80211_tx_h_michael_mic_add(struct ieee80211_tx_data *tx)
{
u8 *data, *sa, *da, *key, *mic, qos_tid;
size_t data_len;
if (!tx->key || tx->key->conf.alg != ALG_TKIP || skb->len < 24 ||
!WLAN_FC_DATA_PRESENT(fc))
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len))
- return TXRX_DROP;
+ return TX_DROP;
if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) &&
- !(tx->flags & IEEE80211_TXRXD_FRAGMENTED) &&
+ !(tx->flags & IEEE80211_TX_FRAGMENTED) &&
!(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) &&
!wpa_test) {
/* hwaccel - with no need for preallocated room for Michael MIC
*/
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
}
if (skb_tailroom(skb) < MICHAEL_MIC_LEN) {
GFP_ATOMIC))) {
printk(KERN_DEBUG "%s: failed to allocate more memory "
"for Michael MIC\n", tx->dev->name);
- return TXRX_DROP;
+ return TX_DROP;
}
}
mic = skb_put(skb, MICHAEL_MIC_LEN);
michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic);
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
}
-ieee80211_txrx_result
-ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx)
+ieee80211_rx_result
+ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)
{
u8 *data, *sa, *da, *key = NULL, qos_tid;
size_t data_len;
/*
* No way to verify the MIC if the hardware stripped it
*/
- if (rx->u.rx.status->flag & RX_FLAG_MMIC_STRIPPED)
- return TXRX_CONTINUE;
+ if (rx->status->flag & RX_FLAG_MMIC_STRIPPED)
+ return RX_CONTINUE;
if (!rx->key || rx->key->conf.alg != ALG_TKIP ||
!(rx->fc & IEEE80211_FCTL_PROTECTED) || !WLAN_FC_DATA_PRESENT(fc))
- return TXRX_CONTINUE;
+ return RX_CONTINUE;
if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len)
|| data_len < MICHAEL_MIC_LEN)
- return TXRX_DROP;
+ return RX_DROP_UNUSABLE;
data_len -= MICHAEL_MIC_LEN;
ALG_TKIP_TEMP_AUTH_TX_MIC_KEY];
michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic);
if (memcmp(mic, data + data_len, MICHAEL_MIC_LEN) != 0 || wpa_test) {
- if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH))
- return TXRX_DROP;
+ if (!(rx->flags & IEEE80211_RX_RA_MATCH))
+ return RX_DROP_UNUSABLE;
printk(KERN_DEBUG "%s: invalid Michael MIC in data frame from "
"%s\n", rx->dev->name, print_mac(mac, sa));
mac80211_ev_michael_mic_failure(rx->dev, rx->key->conf.keyidx,
(void *) skb->data);
- return TXRX_DROP;
+ return RX_DROP_UNUSABLE;
}
/* remove Michael MIC from payload */
skb_trim(skb, skb->len - MICHAEL_MIC_LEN);
/* update IV in key information to be able to detect replays */
- rx->key->u.tkip.iv32_rx[rx->u.rx.queue] = rx->u.rx.tkip_iv32;
- rx->key->u.tkip.iv16_rx[rx->u.rx.queue] = rx->u.rx.tkip_iv16;
+ rx->key->u.tkip.iv32_rx[rx->queue] = rx->tkip_iv32;
+ rx->key->u.tkip.iv16_rx[rx->queue] = rx->tkip_iv16;
- return TXRX_CONTINUE;
+ return RX_CONTINUE;
}
-static int tkip_encrypt_skb(struct ieee80211_txrx_data *tx,
+static int tkip_encrypt_skb(struct ieee80211_tx_data *tx,
struct sk_buff *skb, int test)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
0x7f),
(u8) key->u.tkip.iv16);
- tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx;
+ tx->control->key_idx = tx->key->conf.hw_key_idx;
return 0;
}
}
-ieee80211_txrx_result
-ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_data *tx)
+ieee80211_tx_result
+ieee80211_crypto_tkip_encrypt(struct ieee80211_tx_data *tx)
{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data;
- u16 fc;
struct sk_buff *skb = tx->skb;
int wpa_test = 0, test = 0;
- fc = le16_to_cpu(hdr->frame_control);
-
- if (!WLAN_FC_DATA_PRESENT(fc))
- return TXRX_CONTINUE;
-
- tx->u.tx.control->icv_len = TKIP_ICV_LEN;
- tx->u.tx.control->iv_len = TKIP_IV_LEN;
- ieee80211_tx_set_iswep(tx);
+ tx->control->icv_len = TKIP_ICV_LEN;
+ tx->control->iv_len = TKIP_IV_LEN;
+ ieee80211_tx_set_protected(tx);
if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) &&
!(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV) &&
!wpa_test) {
/* hwaccel - with no need for preallocated room for IV/ICV */
- tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx;
- return TXRX_CONTINUE;
+ tx->control->key_idx = tx->key->conf.hw_key_idx;
+ return TX_CONTINUE;
}
if (tkip_encrypt_skb(tx, skb, test) < 0)
- return TXRX_DROP;
+ return TX_DROP;
- if (tx->u.tx.extra_frag) {
+ if (tx->extra_frag) {
int i;
- for (i = 0; i < tx->u.tx.num_extra_frag; i++) {
- if (tkip_encrypt_skb(tx, tx->u.tx.extra_frag[i], test)
+ for (i = 0; i < tx->num_extra_frag; i++) {
+ if (tkip_encrypt_skb(tx, tx->extra_frag[i], test)
< 0)
- return TXRX_DROP;
+ return TX_DROP;
}
}
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
}
-ieee80211_txrx_result
-ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx)
+ieee80211_rx_result
+ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
u16 fc;
hdrlen = ieee80211_get_hdrlen(fc);
if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)
- return TXRX_CONTINUE;
+ return RX_CONTINUE;
if (!rx->sta || skb->len - hdrlen < 12)
- return TXRX_DROP;
+ return RX_DROP_UNUSABLE;
- if (rx->u.rx.status->flag & RX_FLAG_DECRYPTED) {
- if (rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED) {
+ if (rx->status->flag & RX_FLAG_DECRYPTED) {
+ if (rx->status->flag & RX_FLAG_IV_STRIPPED) {
/*
* Hardware took care of all processing, including
* replay protection, and stripped the ICV/IV so
* we cannot do any checks here.
*/
- return TXRX_CONTINUE;
+ return RX_CONTINUE;
}
/* let TKIP code verify IV, but skip decryption */
res = ieee80211_tkip_decrypt_data(rx->local->wep_rx_tfm,
key, skb->data + hdrlen,
skb->len - hdrlen, rx->sta->addr,
- hwaccel, rx->u.rx.queue,
- &rx->u.rx.tkip_iv32,
- &rx->u.rx.tkip_iv16);
+ hdr->addr1, hwaccel, rx->queue,
+ &rx->tkip_iv32,
+ &rx->tkip_iv16);
if (res != TKIP_DECRYPT_OK || wpa_test) {
#ifdef CONFIG_MAC80211_DEBUG
if (net_ratelimit())
"frame from %s (res=%d)\n", rx->dev->name,
print_mac(mac, rx->sta->addr), res);
#endif /* CONFIG_MAC80211_DEBUG */
- return TXRX_DROP;
+ return RX_DROP_UNUSABLE;
}
/* Trim ICV */
memmove(skb->data + TKIP_IV_LEN, skb->data, hdrlen);
skb_pull(skb, TKIP_IV_LEN);
- return TXRX_CONTINUE;
+ return RX_CONTINUE;
}
}
-static int ccmp_encrypt_skb(struct ieee80211_txrx_data *tx,
+static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx,
struct sk_buff *skb, int test)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) {
/* hwaccel - with preallocated room for CCMP header */
- tx->u.tx.control->key_idx = key->conf.hw_key_idx;
+ tx->control->key_idx = key->conf.hw_key_idx;
return 0;
}
}
-ieee80211_txrx_result
-ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_data *tx)
+ieee80211_tx_result
+ieee80211_crypto_ccmp_encrypt(struct ieee80211_tx_data *tx)
{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data;
- u16 fc;
struct sk_buff *skb = tx->skb;
int test = 0;
- fc = le16_to_cpu(hdr->frame_control);
-
- if (!WLAN_FC_DATA_PRESENT(fc))
- return TXRX_CONTINUE;
-
- tx->u.tx.control->icv_len = CCMP_MIC_LEN;
- tx->u.tx.control->iv_len = CCMP_HDR_LEN;
- ieee80211_tx_set_iswep(tx);
+ tx->control->icv_len = CCMP_MIC_LEN;
+ tx->control->iv_len = CCMP_HDR_LEN;
+ ieee80211_tx_set_protected(tx);
if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) &&
!(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
/* hwaccel - with no need for preallocated room for CCMP "
* header or MIC fields */
- tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx;
- return TXRX_CONTINUE;
+ tx->control->key_idx = tx->key->conf.hw_key_idx;
+ return TX_CONTINUE;
}
if (ccmp_encrypt_skb(tx, skb, test) < 0)
- return TXRX_DROP;
+ return TX_DROP;
- if (tx->u.tx.extra_frag) {
+ if (tx->extra_frag) {
int i;
- for (i = 0; i < tx->u.tx.num_extra_frag; i++) {
- if (ccmp_encrypt_skb(tx, tx->u.tx.extra_frag[i], test)
+ for (i = 0; i < tx->num_extra_frag; i++) {
+ if (ccmp_encrypt_skb(tx, tx->extra_frag[i], test)
< 0)
- return TXRX_DROP;
+ return TX_DROP;
}
}
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
}
-ieee80211_txrx_result
-ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx)
+ieee80211_rx_result
+ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
u16 fc;
hdrlen = ieee80211_get_hdrlen(fc);
if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)
- return TXRX_CONTINUE;
+ return RX_CONTINUE;
data_len = skb->len - hdrlen - CCMP_HDR_LEN - CCMP_MIC_LEN;
if (!rx->sta || data_len < 0)
- return TXRX_DROP;
+ return RX_DROP_UNUSABLE;
- if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) &&
- (rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED))
- return TXRX_CONTINUE;
+ if ((rx->status->flag & RX_FLAG_DECRYPTED) &&
+ (rx->status->flag & RX_FLAG_IV_STRIPPED))
+ return RX_CONTINUE;
(void) ccmp_hdr2pn(pn, skb->data + hdrlen);
- if (memcmp(pn, key->u.ccmp.rx_pn[rx->u.rx.queue], CCMP_PN_LEN) <= 0) {
+ if (memcmp(pn, key->u.ccmp.rx_pn[rx->queue], CCMP_PN_LEN) <= 0) {
#ifdef CONFIG_MAC80211_DEBUG
- u8 *ppn = key->u.ccmp.rx_pn[rx->u.rx.queue];
+ u8 *ppn = key->u.ccmp.rx_pn[rx->queue];
printk(KERN_DEBUG "%s: CCMP replay detected for RX frame from "
"%s (RX PN %02x%02x%02x%02x%02x%02x <= prev. PN "
ppn[0], ppn[1], ppn[2], ppn[3], ppn[4], ppn[5]);
#endif /* CONFIG_MAC80211_DEBUG */
key->u.ccmp.replays++;
- return TXRX_DROP;
+ return RX_DROP_UNUSABLE;
}
- if (!(rx->u.rx.status->flag & RX_FLAG_DECRYPTED)) {
+ if (!(rx->status->flag & RX_FLAG_DECRYPTED)) {
/* hardware didn't decrypt/verify MIC */
u8 *scratch, *b_0, *aad;
"for RX frame from %s\n", rx->dev->name,
print_mac(mac, rx->sta->addr));
#endif /* CONFIG_MAC80211_DEBUG */
- return TXRX_DROP;
+ return RX_DROP_UNUSABLE;
}
}
- memcpy(key->u.ccmp.rx_pn[rx->u.rx.queue], pn, CCMP_PN_LEN);
+ memcpy(key->u.ccmp.rx_pn[rx->queue], pn, CCMP_PN_LEN);
/* Remove CCMP header and MIC */
skb_trim(skb, skb->len - CCMP_MIC_LEN);
memmove(skb->data + CCMP_HDR_LEN, skb->data, hdrlen);
skb_pull(skb, CCMP_HDR_LEN);
- return TXRX_CONTINUE;
+ return RX_CONTINUE;
}
projects / linux-2.6-omap-h63xx.git / blobdiff