On Fri, Jan 21, 2011 at 03:46:08PM +0530, Bruno Randolf wrote:
> I need this to enable HW encryption for WEP.
> Otherwise we fall back to software decryption - i only checked the decryption
> case.
Encryption/Decryption is done in hw by default. In which case are you
seeing it done in sw?.
Vasanth
>
> Any comments?
>
> bruno
> ---
> drivers/net/wireless/ath/key.c | 14 +++++++++++---
> 1 files changed, 11 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/key.c b/drivers/net/wireless/ath/key.c
> index 5d465e5..5748dae 100644
> --- a/drivers/net/wireless/ath/key.c
> +++ b/drivers/net/wireless/ath/key.c
> @@ -465,6 +465,16 @@ int ath_key_config(struct ath_common *common,
> hk.kv_len = key->keylen;
> memcpy(hk.kv_val, key->key, key->keylen);
>
> + /* set WEP keys directly to index */
> + if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
> + key->cipher == WLAN_CIPHER_SUITE_WEP104) && key->keyidx < 4) {
> + ret = ath_hw_set_keycache_entry(common, key->keyidx, &hk, NULL);
> + if (!ret)
> + return -EIO;
> + set_bit(key->keyidx, common->keymap);
> + return key->keyidx;
> + }
> +
> if (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
> switch (vif->type) {
> case NL80211_IFTYPE_AP:
> @@ -541,10 +551,8 @@ EXPORT_SYMBOL(ath_key_config);
> void ath_key_delete(struct ath_common *common, struct ieee80211_key_conf
> *key)
> {
> ath_hw_keyreset(common, key->hw_key_idx);
> - if (key->hw_key_idx < IEEE80211_WEP_NKID)
> - return;
> -
> clear_bit(key->hw_key_idx, common->keymap);
> +
> if (key->cipher != WLAN_CIPHER_SUITE_TKIP)
> return;
>
>
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