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ath9k: connectivity is lost after Group rekeying is done 

Connectivtiy is lost after Group rekeying is done. The keytype
maintained by ath9k is reset when group key is updated. Though
sc_keytype can be reset only for broadcast key the proper fix
would be to use mac80211 provided key type from txinfo during
xmit and get rid of sc_keytype from ath9k ath_softc.

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Tested-by: Steven Noonan <steven@uplinklabs.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Senthil Balasubramanian 2008-09-17 12:39:49 +05:30 committed by John W. Linville
parent ad55dcaff0
commit d0be7cc768
3 changed files with 3 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/ath9k/core.h
View File

@ -974,7 +974,6 @@ struct ath_softc {
u32 sc_keymax; /* size of key cache */
DECLARE_BITMAP(sc_keymap, ATH_KEYMAX); /* key use bit map */
u8 sc_splitmic; /* split TKIP MIC keys */
int sc_keytype;
/* RX */
struct list_head sc_rxbuf;

3
drivers/net/wireless/ath9k/main.c
View File

@ -206,8 +206,6 @@ static int ath_key_config(struct ath_softc *sc,
if (!ret)
return -EIO;
if (mac)
sc->sc_keytype = hk.kv_type;
return 0;
}
@ -778,7 +776,6 @@ static int ath9k_set_key(struct ieee80211_hw *hw,
case DISABLE_KEY:
ath_key_delete(sc, key);
clear_bit(key->keyidx, sc->sc_keymap);
sc->sc_keytype = ATH9K_CIPHER_CLR;
break;
default:
ret = -EINVAL;

6
drivers/net/wireless/ath9k/xmit.c
View File

@ -315,11 +315,11 @@ static int ath_tx_prepare(struct ath_softc *sc,
txctl->keyix = tx_info->control.hw_key->hw_key_idx;
txctl->frmlen += tx_info->control.icv_len;
if (sc->sc_keytype == ATH9K_CIPHER_WEP)
if (tx_info->control.hw_key->alg == ALG_WEP)
txctl->keytype = ATH9K_KEY_TYPE_WEP;
else if (sc->sc_keytype == ATH9K_CIPHER_TKIP)
else if (tx_info->control.hw_key->alg == ALG_TKIP)
txctl->keytype = ATH9K_KEY_TYPE_TKIP;
else if (sc->sc_keytype == ATH9K_CIPHER_AES_CCM)
else if (tx_info->control.hw_key->alg == ALG_CCMP)
txctl->keytype = ATH9K_KEY_TYPE_AES;
}