On Thu, 2012-03-01 at 11:23 +0100, Felix Fietkau wrote:
> Several MAC address comparison functions assume 16 bit alignment for pointers
> passed to them. Since the addition of the control_port field, alignment
> for the IBSS bssid was off by one, causing a severe performance hit on
> architectures without efficient unaligned access (e.g. MIPS).
>
> Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx>
Acked-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
> ---
> net/mac80211/ieee80211_i.h | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
> index cee0c74..c413058 100644
> --- a/net/mac80211/ieee80211_i.h
> +++ b/net/mac80211/ieee80211_i.h
> @@ -480,7 +480,7 @@ struct ieee80211_if_ibss {
>
> bool control_port;
>
> - u8 bssid[ETH_ALEN];
> + u8 bssid[ETH_ALEN] __aligned(2);
> u8 ssid[IEEE80211_MAX_SSID_LEN];
> u8 ssid_len, ie_len;
> u8 *ie;
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