diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2008-10-05 18:02:48 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-10-06 18:14:57 -0400 |
| commit | 76708dee382a69b2f9d0e50f413f99fefb2dc509 (patch) | |
| tree | ce1b8014520c08641423a0842d03eace38da0c4e /net/mac80211 | |
| parent | 417bd25ac4c6f76c8aafe8a584f3620f4a936b72 (diff) | |
mac80211: free up 2 bytes in skb->cb
Free up 2 bytes in skb->cb to be used for multi-rate retry later.
Move iv_len and icv_len initialization into key alloc.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/key.c | 14 | ||||
| -rw-r--r-- | net/mac80211/wep.c | 3 | ||||
| -rw-r--r-- | net/mac80211/wpa.c | 6 |
3 files changed, 14 insertions, 9 deletions
diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 57afcd38cd9..a5b06fe7198 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -281,6 +281,20 @@ struct ieee80211_key *ieee80211_key_alloc(enum ieee80211_key_alg alg, key->conf.alg = alg; key->conf.keyidx = idx; key->conf.keylen = key_len; + switch (alg) { + case ALG_WEP: + key->conf.iv_len = WEP_IV_LEN; + key->conf.icv_len = WEP_ICV_LEN; + break; + case ALG_TKIP: + key->conf.iv_len = TKIP_IV_LEN; + key->conf.icv_len = TKIP_ICV_LEN; + break; + case ALG_CCMP: + key->conf.iv_len = CCMP_HDR_LEN; + key->conf.icv_len = CCMP_MIC_LEN; + break; + } memcpy(key->conf.key, key_data, key_len); INIT_LIST_HEAD(&key->list); INIT_LIST_HEAD(&key->todo); diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c index 376c84987e4..f0e2d3ecb5c 100644 --- a/net/mac80211/wep.c +++ b/net/mac80211/wep.c @@ -313,9 +313,6 @@ static int wep_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - info->control.iv_len = WEP_IV_LEN; - info->control.icv_len = WEP_ICV_LEN; - if (!(tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) { if (ieee80211_wep_encrypt(tx->local, skb, tx->key)) return -1; diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c index 37ae9a959f6..6db649480e8 100644 --- a/net/mac80211/wpa.c +++ b/net/mac80211/wpa.c @@ -152,9 +152,6 @@ static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb) int len, tail; u8 *pos; - info->control.icv_len = TKIP_ICV_LEN; - info->control.iv_len = TKIP_IV_LEN; - 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 IV/ICV */ @@ -374,9 +371,6 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb) u8 *pos, *pn; int i; - info->control.icv_len = CCMP_MIC_LEN; - info->control.iv_len = CCMP_HDR_LEN; - 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 " |