summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/b43/xmit.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/b43/xmit.c')
-rw-r--r--drivers/net/wireless/b43/xmit.c36
1 files changed, 28 insertions, 8 deletions
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index 55f36a7254d9..14f541248b5c 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -180,11 +180,12 @@ static u8 b43_calc_fallback_rate(u8 bitrate)
/* Generate a TX data header. */
int b43_generate_txhdr(struct b43_wldev *dev,
u8 *_txhdr,
- const unsigned char *fragment_data,
- unsigned int fragment_len,
+ struct sk_buff *skb_frag,
struct ieee80211_tx_info *info,
u16 cookie)
{
+ const unsigned char *fragment_data = skb_frag->data;
+ unsigned int fragment_len = skb_frag->len;
struct b43_txhdr *txhdr = (struct b43_txhdr *)_txhdr;
const struct b43_phy *phy = &dev->phy;
const struct ieee80211_hdr *wlhdr =
@@ -237,7 +238,7 @@ int b43_generate_txhdr(struct b43_wldev *dev,
int wlhdr_len;
size_t iv_len;
- B43_WARN_ON(key_idx >= dev->max_nr_keys);
+ B43_WARN_ON(key_idx >= ARRAY_SIZE(dev->key));
key = &(dev->key[key_idx]);
if (unlikely(!key->keyconf)) {
@@ -258,9 +259,26 @@ int b43_generate_txhdr(struct b43_wldev *dev,
mac_ctl |= (key->algorithm << B43_TXH_MAC_KEYALG_SHIFT) &
B43_TXH_MAC_KEYALG;
wlhdr_len = ieee80211_hdrlen(fctl);
- iv_len = min((size_t) info->control.hw_key->iv_len,
- ARRAY_SIZE(txhdr->iv));
- memcpy(txhdr->iv, ((u8 *) wlhdr) + wlhdr_len, iv_len);
+ if (key->algorithm == B43_SEC_ALGO_TKIP) {
+ u16 phase1key[5];
+ int i;
+ /* we give the phase1key and iv16 here, the key is stored in
+ * shm. With that the hardware can do phase 2 and encryption.
+ */
+ ieee80211_get_tkip_key(info->control.hw_key, skb_frag,
+ IEEE80211_TKIP_P1_KEY, (u8*)phase1key);
+ /* phase1key is in host endian. Copy to little-endian txhdr->iv. */
+ for (i = 0; i < 5; i++) {
+ txhdr->iv[i * 2 + 0] = phase1key[i];
+ txhdr->iv[i * 2 + 1] = phase1key[i] >> 8;
+ }
+ /* iv16 */
+ memcpy(txhdr->iv + 10, ((u8 *) wlhdr) + wlhdr_len, 3);
+ } else {
+ iv_len = min((size_t) info->control.hw_key->iv_len,
+ ARRAY_SIZE(txhdr->iv));
+ memcpy(txhdr->iv, ((u8 *) wlhdr) + wlhdr_len, iv_len);
+ }
}
if (b43_is_old_txhdr_format(dev)) {
b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->old_format.plcp),
@@ -578,7 +596,7 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
* key index, but the ucode passed it slightly different.
*/
keyidx = b43_kidx_to_raw(dev, keyidx);
- B43_WARN_ON(keyidx >= dev->max_nr_keys);
+ B43_WARN_ON(keyidx >= ARRAY_SIZE(dev->key));
if (dev->key[keyidx].algorithm != B43_SEC_ALGO_NONE) {
wlhdr_len = ieee80211_hdrlen(fctl);
@@ -655,6 +673,7 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
status.freq = chanid + 2400;
break;
case B43_PHYTYPE_N:
+ case B43_PHYTYPE_LP:
/* chanid is the SHM channel cookie. Which is the plain
* channel number in b43. */
if (chanstat & B43_RX_CHAN_5GHZ) {
@@ -670,7 +689,8 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
goto drop;
}
- ieee80211_rx_irqsafe(dev->wl->hw, skb, &status);
+ memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
+ ieee80211_rx_irqsafe(dev->wl->hw, skb);
return;
drop: