mac80211: Let drivers have access to TKIP key offets for TX and RX MIC
Some drivers may want to to use the TKIP key offsets for TX and RX
MIC so lets move this out. Lets also clear up a bit how this is used
internally in mac80211.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index 6998078..995f7af 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -164,7 +164,7 @@
iv16 = data[2] | (data[0] << 8);
iv32 = get_unaligned_le32(&data[4]);
- tk = &key->conf.key[ALG_TKIP_TEMP_ENCR_KEY];
+ tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
ctx = &key->u.tkip.tx;
#ifdef CONFIG_MAC80211_TKIP_DEBUG
@@ -205,7 +205,7 @@
{
u8 rc4key[16];
struct tkip_ctx *ctx = &key->u.tkip.tx;
- const u8 *tk = &key->conf.key[ALG_TKIP_TEMP_ENCR_KEY];
+ const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
/* Calculate per-packet key */
if (ctx->iv16 == 0 || !ctx->initialized)
@@ -231,7 +231,7 @@
u32 iv16;
u8 rc4key[16], keyid, *pos = payload;
int res;
- const u8 *tk = &key->conf.key[ALG_TKIP_TEMP_ENCR_KEY];
+ const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
if (payload_len < 12)
return -1;
@@ -286,13 +286,13 @@
#ifdef CONFIG_MAC80211_TKIP_DEBUG
{
int i;
+ u8 key_offset = NL80211_TKIP_DATA_OFFSET_ENCR_KEY;
DECLARE_MAC_BUF(mac);
printk(KERN_DEBUG "TKIP decrypt: Phase1 TA=%s"
" TK=", print_mac(mac, ta));
for (i = 0; i < 16; i++)
printk("%02x ",
- key->conf.key[
- ALG_TKIP_TEMP_ENCR_KEY + i]);
+ key->conf.key[key_offset + i]);
printk("\n");
printk(KERN_DEBUG "TKIP decrypt: P1K=");
for (i = 0; i < 5; i++)
