ath0: failed to allocate descriptors: 12

[Sam Leffler]

B wrote:
> Hey, i just burned 5.3 and put it on my old p2 laptop. When i put in my linksys a+g card the first time it normally says no driver attached. But if i do ifconfig ath0 then reinsert it i get the following:
> 
> Ath0: <Atheros 5212> mem 0x88000000-0x8800ffff irq 9 at device 0.0 on cardbus1
> 
> ath0: mac 5.6 phy 4.1 5ghz radio 3.6
> ath0: failed to allocate descriptors: 12
> device_attach: ath0 attach returned 12
> cbb1: CardBus card activation failed
> 

Memmory is too fragmented to allocate the descriptors in one chunk.  I 
changed this logic in current to allocate separate blocks for the 
tx+rx+beacon descriptors; I'll look at backporting that (though it's too 
risky to get into 5.4).

	Sam