On Wed, 2012-05-30 at 11:36 +0300, Yoni Divinsky wrote:
> There are hardwares which support offload of data packets
> for example when auto ARP is enabled the hw will send
> the ARP response. In such cases if WEP encryption is
> configured the hw must know the default WEP key in order
> to encrypt the packets correctly.
>
> When hw_accel is enabled and encryption type is set to WEP,
> the driver should get the default key index from mac80211.
>
> Signed-off-by: Yoni Divinsky <yoni.divinsky@xxxxxx>
> ---
>
> v2 to v3:
> removed the return value of set_default_key_idx op
> since it should not fail at this point.
>
> include/net/mac80211.h | 7 ++++++-
> net/mac80211/driver-ops.h | 14 ++++++++++++++
> net/mac80211/driver-trace.h | 24 ++++++++++++++++++++++++
> net/mac80211/key.c | 2 ++
> 4 files changed, 46 insertions(+), 1 deletions(-)
>
> diff --git a/include/net/mac80211.h b/include/net/mac80211.h
> index 4d6e6c6..aecdca7 100644
> --- a/include/net/mac80211.h
> +++ b/include/net/mac80211.h
> @@ -1427,6 +1427,10 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb);
> * rekeying), it will not include a valid phase 1 key. The valid phase 1 key is
> * provided by update_tkip_key only. The trigger that makes mac80211 call this
> * handler is software decryption with wrap around of iv16.
> + *
> + * The set_default_key_idx() call updates the default WEP key index configured
> + * to the hardware for WEP encryption type. This is required for hw which
> + * supports offload of data packets (i.e. auto ARP respones).
> */
>
> /**
> @@ -2361,7 +2365,6 @@ struct ieee80211_ops {
> u16 tids, int num_frames,
> enum ieee80211_frame_release_type reason,
> bool more_data);
> -
> int (*get_et_sset_count)(struct ieee80211_hw *hw,
> struct ieee80211_vif *vif, int sset);
> void (*get_et_stats)(struct ieee80211_hw *hw,
No need for this change
> @@ -2370,6 +2373,8 @@ struct ieee80211_ops {
> void (*get_et_strings)(struct ieee80211_hw *hw,
> struct ieee80211_vif *vif,
> u32 sset, u8 *data);
> + void (*set_default_key_idx)(struct ieee80211_hw *hw,
> + struct ieee80211_vif *vif, int idx);
Missing kernel-doc.
johannes
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