On 2015-03-02 18:40, Florian Westphal wrote:
Compile tested only due to lack of hw. If we want to shrink skb->cb then we'd have to see about reducing struct ieee80211_tx_info, which gets embedded inside skb->cb[]. It provides a scratch space to be used by wireless drivers. ar5523 uses the maximum space available today (40 bytes), but it seems we don't need this -- data->skb pointer seems to always point back to the skb whose cb buffer the data structure resides, iow, given a pointer to the embedded control buffer we can infer the skb address. Cc: linux-wireless@xxxxxxxxxxxxxxx Signed-off-by: Florian Westphal <fw@xxxxxxxxx>
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