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[PATCH] ieee80211: Added handle_deauth() callback, enhanced tkip/ccmp support of varying hw/sw offload

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tree de81b55e78e85997642c651ea677078d0554a14f
parent c8030da8c159f8b82712172a6748a42523aea83a
author James Ketrenos <jketreno@linux.intel.com> 1127104380 -0500
committer James Ketrenos <jketreno@linux.intel.com> 1127315225 -0500

Added handle_deauth() callback.
Enhanced crypt_{tkip,ccmp} to support varying splits of HW/SW offload.
Changed channel freq to u32 from u16.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
James Ketrenos
2005-09-21 11:58:49 -05:00
committed by Jeff Garzik
parent 31696160c7
commit 31b59eaee8
6 changed files with 99 additions and 33 deletions
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41
net/ieee80211/ieee80211_crypt_ccmp.c
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@@ -191,26 +191,18 @@ static void ccmp_init_blocks(struct crypto_tfm *tfm,
ieee80211_ccmp_aes_encrypt(tfm, b0, s0);
}
static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
static int ieee80211_ccmp_hdr(struct sk_buff *skb, int hdr_len, void *priv)
{
struct ieee80211_ccmp_data *key = priv;
int data_len, i, blocks, last, len;
u8 *pos, *mic;
struct ieee80211_hdr_4addr *hdr;
u8 *b0 = key->tx_b0;
u8 *b = key->tx_b;
u8 *e = key->tx_e;
u8 *s0 = key->tx_s0;
int i;
u8 *pos;
if (skb_headroom(skb) < CCMP_HDR_LEN ||
skb_tailroom(skb) < CCMP_MIC_LEN || skb->len < hdr_len)
if (skb_headroom(skb) < CCMP_HDR_LEN || skb->len < hdr_len)
return -1;
data_len = skb->len - hdr_len;
pos = skb_push(skb, CCMP_HDR_LEN);
memmove(pos, pos + CCMP_HDR_LEN, hdr_len);
pos += hdr_len;
mic = skb_put(skb, CCMP_MIC_LEN);
i = CCMP_PN_LEN - 1;
while (i >= 0) {
@@ -229,6 +221,30 @@ static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
*pos++ = key->tx_pn[1];
*pos++ = key->tx_pn[0];
return CCMP_HDR_LEN;
}
static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct ieee80211_ccmp_data *key = priv;
int data_len, i, blocks, last, len;
u8 *pos, *mic;
struct ieee80211_hdr_4addr *hdr;
u8 *b0 = key->tx_b0;
u8 *b = key->tx_b;
u8 *e = key->tx_e;
u8 *s0 = key->tx_s0;
if (skb_tailroom(skb) < CCMP_MIC_LEN || skb->len < hdr_len)
return -1;
data_len = skb->len - hdr_len;
len = ieee80211_ccmp_hdr(skb, hdr_len, priv);
if (len < 0)
return -1;
pos = skb->data + hdr_len + CCMP_HDR_LEN;
mic = skb_put(skb, CCMP_MIC_LEN);
hdr = (struct ieee80211_hdr_4addr *)skb->data;
ccmp_init_blocks(key->tfm, hdr, key->tx_pn, data_len, b0, b, s0);
@@ -429,6 +445,7 @@ static struct ieee80211_crypto_ops ieee80211_crypt_ccmp = {
.name = "CCMP",
.init = ieee80211_ccmp_init,
.deinit = ieee80211_ccmp_deinit,
.build_iv = ieee80211_ccmp_hdr,
.encrypt_mpdu = ieee80211_ccmp_encrypt,
.decrypt_mpdu = ieee80211_ccmp_decrypt,
.encrypt_msdu = NULL,