So far, we retrieve both the used ring avail ring idx by last_used_idx
var; it won't be a problem because we used ring is updated immediately
after those avail entries are consumed.
But that's not true when Tx zero copy is enabled, that used ring is updated
only when the mbuf is consumed. Thus, we
On 08/23/2016 10:10 AM, Yuanhan Liu wrote:
> So far, we retrieve both the used ring avail ring idx by last_used_idx
> var; it won't be a problem because we used ring is updated immediately
> after those avail entries are consumed.
>
> But that's not true when Tx zero copy is enabled, that used ri
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