On 2010-09-21 9:28 PM, Johannes Berg wrote: > On Tue, 2010-09-21 at 20:00 +0200, Felix Fietkau wrote: > >> > Could we just poke a pointer to the STA into the ath_buf structure? > >> No, that doesn't work because of RCU. > > Well, it could work, if you walk all the structures upon sta_notify and > remove now stale pointers (or just drop the frames or something). I think it would be much better to just add the helper function that checks the RA on STA lookup. Keeps things simple, especially since nothing else in the tx path needs the vif. - Felix -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html