On Sun, 2012-04-29 at 15:44 +0200, Felix Fietkau wrote:
> EAP frames for stations in an AP VLAN are sent on the main AP interface
> to avoid race conditions wrt. moving stations.
> For that to work properly, sta_info_get_bss must be used instead of
> sta_info_get when sending EAP packets.
> Previously this was only done for cooked monitor injected packets, so
> this patch adds a check for tx->skb->protocol to the same place.
>
> Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> ---
> net/mac80211/tx.c | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
> index 44001c7..d67d36f 100644
> --- a/net/mac80211/tx.c
> +++ b/net/mac80211/tx.c
> @@ -1159,7 +1159,8 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata,
> tx->sta = rcu_dereference(sdata->u.vlan.sta);
> if (!tx->sta && sdata->dev->ieee80211_ptr->use_4addr)
> return TX_DROP;
> - } else if (info->flags & IEEE80211_TX_CTL_INJECTED) {
> + } else if (info->flags & IEEE80211_TX_CTL_INJECTED ||
> + tx->sdata->control_port_protocol == tx->skb->protocol) {
> tx->sta = sta_info_get_bss(sdata, hdr->addr1);
Just the protocol check is probably sufficient, don't we set it for
injected frames anyway?
johannes
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