> On May 12, 2018, at 1:37 AM, Vipin Varghese <vipin.vargh...@intel.com> wrote:
> 
> Fixes: ee27edbe0c10 ("drivers/net: share vdev data to secondary process")
> 
> Enables TUN PMD sharing by attaching the port from the shared data.
> 
> Cc: zhihong.w...@intel.com
> Cc: ferruh.yi...@intel.com
> 
> Signed-off-by: Vipin Varghese <vipin.vargh...@intel.com>
> ---
> ---
> drivers/net/tap/rte_eth_tap.c | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
> 
> diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c
> index db397d6..ea6d899 100644
> --- a/drivers/net/tap/rte_eth_tap.c
> +++ b/drivers/net/tap/rte_eth_tap.c
> @@ -1657,6 +1657,7 @@ rte_pmd_tun_probe(struct rte_vdev_device *dev)
>       struct rte_kvargs *kvlist = NULL;
>       char tun_name[RTE_ETH_NAME_MAX_LEN];
>       char remote_iface[RTE_ETH_NAME_MAX_LEN];
> +     struct rte_eth_dev *eth_dev;
> 
>       tap_type = 0;
>       strcpy(tuntap_name, "TUN");
> @@ -1665,6 +1666,18 @@ rte_pmd_tun_probe(struct rte_vdev_device *dev)
>       params = rte_vdev_device_args(dev);
>       memset(remote_iface, 0, RTE_ETH_NAME_MAX_LEN);
> 
> +     if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
> +         strlen(params) == 0) {
> +             eth_dev = rte_eth_dev_attach_secondary(name);
> +             if (!eth_dev) {
> +                     TAP_LOG(ERR, "Failed to probe %s", name);
> +                     return -1;
> +             }
> +             /* TODO: request info from primary to set up Rx and Tx */

What is the rule (if we have one) about having TODO, FIXME, … like comments in 
the code? Maybe remove the todo and create a enhancement request for later.

> +             eth_dev->dev_ops = &ops;
> +             return 0;
> +     }
> +
>       snprintf(tun_name, sizeof(tun_name), "%s%u",
>                DEFAULT_TUN_NAME, tun_unit++);
> 
> -- 
> 2.7.4
> 

Regards,
Keith

Reply via email to