Le 24/08/2016 à 15:07, Eric Dumazet a écrit :
On Wed, 2016-08-24 at 12:36 +0200, Christophe Leroy wrote:
Initially, a NAPI TX routine has been implemented separately from
NAPI RX, as done on the freescale/gianfar driver.
By merging NAPI RX and NAPI TX, we reduce the amount of TX completion
in
On Wed, 2016-08-24 at 12:36 +0200, Christophe Leroy wrote:
> Initially, a NAPI TX routine has been implemented separately from
> NAPI RX, as done on the freescale/gianfar driver.
>
> By merging NAPI RX and NAPI TX, we reduce the amount of TX completion
> interrupts.
>
> Handling of the budget in
On Wed, 2016-08-24 at 06:07 -0700, Eric Dumazet wrote:
> I am afraid you could live lock here on SMP.
>
> You should make sure you do not loop forever, not assuming cpu is faster
> than NIC.
You are protected by the tx_lock spinlock, but this is fragile as you
could very well remove this spinloc
