summaryrefslogtreecommitdiff
path: root/net/mac80211/tkip.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/mac80211/tkip.c')
-rw-r--r--net/mac80211/tkip.c23
1 files changed, 11 insertions, 12 deletions
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index b73454a507f9..7ef491e9d66d 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -195,11 +195,13 @@ void ieee80211_get_tkip_key(struct ieee80211_key_conf *keyconf,
}
EXPORT_SYMBOL(ieee80211_get_tkip_key);
-/* Encrypt packet payload with TKIP using @key. @pos is a pointer to the
+/*
+ * Encrypt packet payload with TKIP using @key. @pos is a pointer to the
* beginning of the buffer containing payload. This payload must include
- * headroom of eight octets for IV and Ext. IV and taildroom of four octets
- * for ICV. @payload_len is the length of payload (_not_ including extra
- * headroom and tailroom). @ta is the transmitter addresses. */
+ * the IV/Ext.IV and space for (taildroom) four octets for ICV.
+ * @payload_len is the length of payload (_not_ including IV/ICV length).
+ * @ta is the transmitter addresses.
+ */
void ieee80211_tkip_encrypt_data(struct crypto_blkcipher *tfm,
struct ieee80211_key *key,
u8 *pos, size_t payload_len, u8 *ta)
@@ -214,7 +216,6 @@ void ieee80211_tkip_encrypt_data(struct crypto_blkcipher *tfm,
tkip_mixing_phase2(tk, ctx, ctx->iv16, rc4key);
- pos = ieee80211_tkip_add_iv(pos, key, key->u.tkip.tx.iv16);
ieee80211_wep_encrypt_data(tfm, rc4key, 16, pos, payload_len);
}
@@ -303,14 +304,12 @@ int ieee80211_tkip_decrypt_data(struct crypto_blkcipher *tfm,
if (key->local->ops->update_tkip_key &&
key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
key->u.tkip.rx[queue].state != TKIP_STATE_PHASE1_HW_UPLOADED) {
- static const u8 bcast[ETH_ALEN] =
- {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
- const u8 *sta_addr = key->sta->sta.addr;
-
- if (is_multicast_ether_addr(ra))
- sta_addr = bcast;
+ struct ieee80211_sub_if_data *sdata = key->sdata;
- drv_update_tkip_key(key->local, &key->conf, sta_addr,
+ if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+ sdata = container_of(key->sdata->bss,
+ struct ieee80211_sub_if_data, u.ap);
+ drv_update_tkip_key(key->local, sdata, &key->conf, key->sta,
iv32, key->u.tkip.rx[queue].p1k);
key->u.tkip.rx[queue].state = TKIP_STATE_PHASE1_HW_UPLOADED;
}