Senthil Balasubramanian <senthilkumar@xxxxxxxxxxx> writes:
>
> 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@xxxxxxxxxxx>
> Signed-off-by: Senthil Balasubramanian <senthilkumar@xxxxxxxxxxx>
> ---
> drivers/net/wireless/ath9k/core.h | 1 -
> drivers/net/wireless/ath9k/main.c | 3 ---
> drivers/net/wireless/ath9k/xmit.c | 6 +++---
> 3 files changed, 3 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h
> index b66de29..e8ccbe4 100644
> --- a/drivers/net/wireless/ath9k/core.h
> +++ b/drivers/net/wireless/ath9k/core.h
> @@ -976,7 +976,6 @@ 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;
> diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
> index 1ba1800..aca893a 100644
> --- a/drivers/net/wireless/ath9k/main.c
> +++ b/drivers/net/wireless/ath9k/main.c
> @@ -204,8 +204,6 @@ static int ath_key_config(struct ath_softc *sc,
> if (!ret)
> return -EIO;
>
> - if (mac)
> - sc->sc_keytype = hk.kv_type;
> return 0;
> }
>
> @@ -1507,7 +1505,6 @@ 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;
> diff --git a/drivers/net/wireless/ath9k/xmit.c b/drivers/net/wireless/ath9k/xmit.c
> index 3fc6641..2592905 100644
> --- a/drivers/net/wireless/ath9k/xmit.c
> +++ b/drivers/net/wireless/ath9k/xmit.c
> @@ -239,11 +239,11 @@ 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;
> }
>
Tested-by: Steven Noonan <steven@xxxxxxxxxxxxxx>
I was actually writing a pretty much identical patch locally, and was
in the middle of testing it when I saw this one. I wish I'd been
faster to get mine tested and out the door.
- Steven
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