Hi Sergey

> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Sergey Balabanov
> Sent: Friday, August 28, 2015 9:06 PM
> To: dev at dpdk.org
> Subject: [dpdk-dev] [PATCH] kni: set kni mac on ioctl_create
> 
> There is a situation when ioctl returns zero mac address (00:00:00:00:00:00)
> for just created kni. The situation happens because kni mac is set on 
> 'ipconfig
> up' event (kni_net_open callback) not on kni creation (kni_ioctl_create).
Could you help to clarify a bit of the real issue? What's wrong there?

> 
> Signed-off-by: Sergey Balabanov <balabanovsv at ecotelecom.ru>
> ---
>  lib/librte_eal/linuxapp/kni/kni_misc.c | 10 ++++++++++
> lib/librte_eal/linuxapp/kni/kni_net.c  |  9 ---------
>  2 files changed, 10 insertions(+), 9 deletions(-)
> 
> diff --git a/lib/librte_eal/linuxapp/kni/kni_misc.c
> b/lib/librte_eal/linuxapp/kni/kni_misc.c
> index 2e9fa89..61f83a0 100644
> --- a/lib/librte_eal/linuxapp/kni/kni_misc.c
> +++ b/lib/librte_eal/linuxapp/kni/kni_misc.c
> @@ -28,6 +28,7 @@
>  #include <linux/pci.h>
>  #include <linux/kthread.h>
>  #include <linux/rwsem.h>
> +#include <linux/etherdevice.h> /* eth_type_trans */
> 
>  #include <exec-env/rte_kni_common.h>
>  #include "kni_dev.h"
> @@ -465,6 +466,15 @@ kni_ioctl_create(unsigned int ioctl_num, unsigned
> long ioctl_param)
>       if (pci)
>               pci_dev_put(pci);
> 
> +     if (kni->lad_dev)
> +             memcpy(net_dev->dev_addr, kni->lad_dev->dev_addr,
> ETH_ALEN);
> +     else
> +             /*
> +              * Generate random mac address. eth_random_addr() is the
> newer
> +              * version of generating mac address in linux kernel.
> +              */
> +             random_ether_addr(net_dev->dev_addr);
> +
A rebase is needed, as a lot of changes after that. Thanks!

Helin
>       ret = register_netdev(net_dev);
>       if (ret) {
>               KNI_ERR("error %i registering device \"%s\"\n", diff --git
> a/lib/librte_eal/linuxapp/kni/kni_net.c 
> b/lib/librte_eal/linuxapp/kni/kni_net.c
> index ab5add4..b50b4cf 100644
> --- a/lib/librte_eal/linuxapp/kni/kni_net.c
> +++ b/lib/librte_eal/linuxapp/kni/kni_net.c
> @@ -70,15 +70,6 @@ kni_net_open(struct net_device *dev)
>       struct rte_kni_request req;
>       struct kni_dev *kni = netdev_priv(dev);
> 
> -     if (kni->lad_dev)
> -             memcpy(dev->dev_addr, kni->lad_dev->dev_addr,
> ETH_ALEN);
> -     else
> -             /*
> -              * Generate random mac address. eth_random_addr() is the
> newer
> -              * version of generating mac address in linux kernel.
> -              */
> -             random_ether_addr(dev->dev_addr);
> -
>       netif_start_queue(dev);
> 
>       memset(&req, 0, sizeof(req));
> --
> 2.1.4

Reply via email to