|Subject:||Re: [lwip-users] Automatic Rx DMA ring replenish|
|Date:||Thu, 3 Nov 2011 14:47:01 +0100|
"Bill Auerbach" <address@hidden>:
I saw the patch not as speed optimization but as a way to simplify the netif driver: to provide a robust implementation, a netif driver would have to ensure it retries if pbuf_alloc fails because the pool is empty (to prevent a deadlock). This patch prevents a netif driver having to implement some sort of timer because it just gets notified when pbufs are available again.
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