Luca,

Thank you.  I have another question: is pfring_send thread-safe?  I
notice that pfring_open includes a re-entrant flag but I want to make
sure that that applies to sending as well as receiving.

=s=

On Tue, Dec 13, 2011 at 8:04 AM, Luca Deri <[email protected]> wrote:
> Scott
> #define NO_TX_SLOT_AVAILABLE   -3
>
> means that there is no slot available, i.e. you try to send but the card is 
> unable to send out the packet. This usually happens if you have a slow 
> receiver that sends back to send ethernet pause frames for slowing it down
>
> Luca
>
> On Dec 12, 2011, at 9:47 PM, Scott L wrote:
>
>> I'm using pf_ring with a Silicom NIC and am having a problem with
>> pfring_send.  Sometimes, I get into a situation where all attempts to
>> call pfring_send fail with error code -3.  From what I can tell,
>> pfring_send just ends up calling send_ixgbe_packet which is a function
>> in libpfring.so.  However, I can't find the source code for this
>> function so I have no idea what this error means.  Can anyone help?
>>
>> =s=
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