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Diffstat (limited to 'net/mac80211/tx.c')
-rw-r--r--net/mac80211/tx.c62
1 files changed, 15 insertions, 47 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 244c80d0c8f..54e05392410 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -541,56 +541,26 @@ ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx)
return TXRX_DROP;
}
-static int wep_encrypt_skb(struct ieee80211_txrx_data *tx, struct sk_buff *skb)
-{
- if (!(tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) {
- if (ieee80211_wep_encrypt(tx->local, skb, tx->key))
- return -1;
- } else {
- tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx;
- if (tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV) {
- if (!ieee80211_wep_add_iv(tx->local, skb, tx->key))
- return -1;
- }
- }
- return 0;
-}
-
static ieee80211_txrx_result
-ieee80211_tx_h_wep_encrypt(struct ieee80211_txrx_data *tx)
+ieee80211_tx_h_encrypt(struct ieee80211_txrx_data *tx)
{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data;
- u16 fc;
-
- fc = le16_to_cpu(hdr->frame_control);
-
- if (!tx->key || tx->key->conf.alg != ALG_WEP ||
- ((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA &&
- ((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT ||
- (fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_AUTH)))
+ if (!tx->key)
return TXRX_CONTINUE;
- tx->u.tx.control->iv_len = WEP_IV_LEN;
- tx->u.tx.control->icv_len = WEP_ICV_LEN;
- ieee80211_tx_set_iswep(tx);
-
- if (wep_encrypt_skb(tx, tx->skb) < 0) {
- I802_DEBUG_INC(tx->local->tx_handlers_drop_wep);
- return TXRX_DROP;
- }
-
- if (tx->u.tx.extra_frag) {
- int i;
- for (i = 0; i < tx->u.tx.num_extra_frag; i++) {
- if (wep_encrypt_skb(tx, tx->u.tx.extra_frag[i]) < 0) {
- I802_DEBUG_INC(tx->local->
- tx_handlers_drop_wep);
- return TXRX_DROP;
- }
- }
+ switch (tx->key->conf.alg) {
+ case ALG_WEP:
+ return ieee80211_crypto_wep_encrypt(tx);
+ case ALG_TKIP:
+ return ieee80211_crypto_tkip_encrypt(tx);
+ case ALG_CCMP:
+ return ieee80211_crypto_ccmp_encrypt(tx);
+ case ALG_NONE:
+ return TXRX_CONTINUE;
}
- return TXRX_CONTINUE;
+ /* not reached */
+ WARN_ON(1);
+ return TXRX_DROP;
}
static ieee80211_txrx_result
@@ -805,9 +775,7 @@ ieee80211_tx_handler ieee80211_tx_handlers[] =
ieee80211_tx_h_select_key,
ieee80211_tx_h_michael_mic_add,
ieee80211_tx_h_fragment,
- ieee80211_tx_h_tkip_encrypt,
- ieee80211_tx_h_ccmp_encrypt,
- ieee80211_tx_h_wep_encrypt,
+ ieee80211_tx_h_encrypt,
ieee80211_tx_h_rate_ctrl,
ieee80211_tx_h_misc,
ieee80211_tx_h_load_stats,