02/10/2018 12:34, Raslan Darawsheh:
> --- a/doc/guides/rel_notes/release_18_11.rst
> +++ b/doc/guides/rel_notes/release_18_11.rst
> @@ -67,6 +67,10 @@ New Features
> SR-IOV option in Hyper-V and Azure. This is an alternative to the previous
> vdev_netvsc, tap, and failsafe drivers combination.
>
> +* **Added TAP Rx/Tx queues sharing with a secondary process.**
> +
> + A secondary process can attach a TAP device created in the primary process,
> + probe the queues, and process Rx/Tx in a secondary process.
A blank line is missing here.
> @@ -2006,9 +2115,23 @@ rte_pmd_tap_probe(struct rte_vdev_device *dev)
> TAP_LOG(ERR, "Failed to probe %s", name);
> return -1;
> }
> - /* TODO: request info from primary to set up Rx and Tx */
> eth_dev->dev_ops = &ops;
> eth_dev->device = &dev->device;
> + eth_dev->rx_pkt_burst = pmd_rx_burst;
> + eth_dev->tx_pkt_burst = pmd_tx_burst;
> + if (!rte_eal_primary_proc_alive(NULL)) {
> + TAP_LOG(ERR, "Primary process is missing");
> + return -1;
> + }
> + process_private = (struct pmd_process_private *)
> + rte_zmalloc_socket(name,
> + sizeof(struct pmd_process_private),
> + RTE_CACHE_LINE_SIZE,
> + eth_dev->device->numa_node);
> +
> + ret = tap_mp_attach_queues(name, eth_dev);
> + if (ret != 0)
> + return -1;
> rte_eth_dev_probing_finish(eth_dev);
> return 0;
> }
Should we manage rte_pmd_tun_probe too?
