[IPV4] UDP: Move IPv4-specific bits to other file.

[linux-2.6-omap-h63xx.git] / net / mac80211 / wpa.c

diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 20cec1cb956fb38d6506139d757d8a983cf126d7..b35e51c6ce0c4e8e7341158b05d4740d039ce2f3 100644 (file)
--- 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,
 }
 
 
-ieee80211_txrx_result
+ieee80211_tx_result
 ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx)
 {
        u8 *data, *sa, *da, *key, *mic, qos_tid;
@@ -84,10 +84,10 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx)
 
        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) &&
@@ -95,7 +95,7 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx)
            !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) {
@@ -105,7 +105,7 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx)
                                              GFP_ATOMIC))) {
                        printk(KERN_DEBUG "%s: failed to allocate more memory "
                               "for Michael MIC\n", tx->dev->name);
-                       return TXRX_DROP;
+                       return TX_DROP;
                }
        }
 
@@ -119,11 +119,11 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx)
        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_result
 ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx)
 {
        u8 *data, *sa, *da, *key = NULL, qos_tid;
@@ -140,15 +140,15 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx)
         * No way to verify the MIC if the hardware stripped it
         */
        if (rx->u.rx.status->flag & RX_FLAG_MMIC_STRIPPED)
-               return TXRX_CONTINUE;
+               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;
 
@@ -162,14 +162,14 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx)
        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;
+                       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 */
@@ -179,7 +179,7 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx)
        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;
 
-       return TXRX_CONTINUE;
+       return RX_CONTINUE;
 }
 
 
@@ -242,19 +242,12 @@ static int tkip_encrypt_skb(struct ieee80211_txrx_data *tx,
 }
 
 
-ieee80211_txrx_result
+ieee80211_tx_result
 ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_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);
@@ -264,26 +257,26 @@ ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_data *tx)
            !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;
+               return TX_CONTINUE;
        }
 
        if (tkip_encrypt_skb(tx, skb, test) < 0)
-               return TXRX_DROP;
+               return TX_DROP;
 
        if (tx->u.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)
                            < 0)
-                               return TXRX_DROP;
+                               return TX_DROP;
                }
        }
 
-       return TXRX_CONTINUE;
+       return TX_CONTINUE;
 }
 
 
-ieee80211_txrx_result
+ieee80211_rx_result
 ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx)
 {
        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
@@ -297,10 +290,10 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx)
        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) {
@@ -309,7 +302,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx)
                         * 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 */
@@ -329,7 +322,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx)
                               "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 */
@@ -339,7 +332,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx)
        memmove(skb->data + TKIP_IV_LEN, skb->data, hdrlen);
        skb_pull(skb, TKIP_IV_LEN);
 
-       return TXRX_CONTINUE;
+       return RX_CONTINUE;
 }
 
 
@@ -498,19 +491,12 @@ static int ccmp_encrypt_skb(struct ieee80211_txrx_data *tx,
 }
 
 
-ieee80211_txrx_result
+ieee80211_tx_result
 ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_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);
@@ -520,26 +506,26 @@ ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_data *tx)
                /* 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;
+               return TX_CONTINUE;
        }
 
        if (ccmp_encrypt_skb(tx, skb, test) < 0)
-               return TXRX_DROP;
+               return TX_DROP;
 
        if (tx->u.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)
                            < 0)
-                               return TXRX_DROP;
+                               return TX_DROP;
                }
        }
 
-       return TXRX_CONTINUE;
+       return TX_CONTINUE;
 }
 
 
-ieee80211_txrx_result
+ieee80211_rx_result
 ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx)
 {
        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
@@ -555,15 +541,15 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx)
        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;
+               return RX_CONTINUE;
 
        (void) ccmp_hdr2pn(pn, skb->data + hdrlen);
 
@@ -579,7 +565,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx)
                       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)) {
@@ -603,7 +589,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx)
                                       "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;
                }
        }
 
@@ -614,5 +600,5 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx)
        memmove(skb->data + CCMP_HDR_LEN, skb->data, hdrlen);
        skb_pull(skb, CCMP_HDR_LEN);
 
-       return TXRX_CONTINUE;
+       return RX_CONTINUE;
 }