On 03/21, Stephen Hemminger wrote:
>On Thu, 21 Mar 2019 17:18:41 +0800
>Xiaolong Ye <xiaolong...@intel.com> wrote:
>
>> static void kick_tx(struct pkt_tx_queue *txq)
>> +{
>> + struct xsk_umem_info *umem = txq->pair->umem;
>> +
>> + while (send(xsk_socket__fd(txq->pair->xsk), NULL,
>> + 0, MSG_DONTWAIT) < 0) {
>> + /* some thing unexpected */
>> + if (errno != EBUSY && errno != EAGAIN)
>> + break;
>> +
>> + /* pull from complete qeueu to leave more space */
>> + if (errno == EAGAIN)
>> + pull_umem_cq(umem, ETH_AF_XDP_TX_BATCH_SIZE);
>> + }
>
>What about EINTR??
>You should retry the send then.
Will do.
