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orinoco: pass orinoco_set_tkip_key the sequence lengths

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When we store the keys for cfg80211, the sequence lengths will also be
stored. So avoid assuming the sequence lengths at this level.

Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
David Kilroy 2009-08-05 21:23:29 +01:00 committed by John W. Linville
parent 5c9f41e285
commit 16e158480d
3 changed files with 21 additions and 14 deletions
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30
drivers/net/wireless/orinoco/hw.c
View file

@ -905,11 +905,12 @@ int __orinoco_hw_setup_enc(struct orinoco_private *priv)
}
/* key must be 32 bytes, including the tx and rx MIC keys.
* rsc must be 8 bytes
* tsc must be 8 bytes or NULL
* rsc must be NULL or up to 8 bytes
* tsc must be NULL or up to 8 bytes
*/
int __orinoco_hw_set_tkip_key(struct orinoco_private *priv, int key_idx,
int set_tx, u8 *key, u8 *rsc, u8 *tsc)
int set_tx, u8 *key, u8 *rsc, size_t rsc_len,
u8 *tsc, size_t tsc_len)
{
struct {
__le16 idx;
@ -934,17 +935,22 @@ int __orinoco_hw_set_tkip_key(struct orinoco_private *priv, int key_idx,
memcpy(buf.key, key,
sizeof(buf.key) + sizeof(buf.tx_mic) + sizeof(buf.rx_mic));
if (rsc == NULL)
memset(buf.rsc, 0, sizeof(buf.rsc));
else
memcpy(buf.rsc, rsc, sizeof(buf.rsc));
if (rsc_len > sizeof(buf.rsc))
rsc_len = sizeof(buf.rsc);
if (tsc == NULL) {
memset(buf.tsc, 0, sizeof(buf.tsc));
if (tsc_len > sizeof(buf.tsc))
tsc_len = sizeof(buf.tsc);
memset(buf.rsc, 0, sizeof(buf.rsc));
memset(buf.tsc, 0, sizeof(buf.tsc));
if (rsc != NULL)
memcpy(buf.rsc, rsc, rsc_len);
if (tsc != NULL)
memcpy(buf.tsc, tsc, tsc_len);
else
buf.tsc[4] = 0x10;
} else {
memcpy(buf.tsc, tsc, sizeof(buf.tsc));
}
/* Wait upto 100ms for tx queue to empty */
for (k = 100; k > 0; k--) {

3
drivers/net/wireless/orinoco/hw.h
View file

@ -38,7 +38,8 @@ int __orinoco_hw_set_wap(struct orinoco_private *priv);
int __orinoco_hw_setup_wepkeys(struct orinoco_private *priv);
int __orinoco_hw_setup_enc(struct orinoco_private *priv);
int __orinoco_hw_set_tkip_key(struct orinoco_private *priv, int key_idx,
int set_tx, u8 *key, u8 *rsc, u8 *tsc);
int set_tx, u8 *key, u8 *rsc, size_t rsc_len,
u8 *tsc, size_t tsc_len);
int orinoco_clear_tkip_key(struct orinoco_private *priv, int key_idx);
int __orinoco_hw_set_multicast_list(struct orinoco_private *priv,
struct dev_addr_list *mc_list,

2
drivers/net/wireless/orinoco/wext.c
View file

@ -863,7 +863,7 @@ static int orinoco_ioctl_set_encodeext(struct net_device *dev,
err = __orinoco_hw_set_tkip_key(priv, idx,
ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY,
(u8 *) &priv->tkip_key[idx],
tkip_iv, NULL);
tkip_iv, ORINOCO_SEQ_LEN, NULL, 0);
if (err)
printk(KERN_ERR "%s: Error %d setting TKIP key"
"\n", dev->name, err);