[dpdk-dev,v2] kni: Add link status update

Message ID 1434356503-7747-1-git-send-email-mmvijay@gmail.com (mailing list archive)
State Superseded, archived
Headers

Commit Message

Vijayakumar Muthuvel Manickam June 15, 2015, 8:21 a.m. UTC
  Implement .ndo_change_carrier to enable
DPDK applications to propagate link state changes to
kni virtual interfaces through sysfs

Signed-off-by: Vijayakumar Muthuvel Manickam <mmvijay@gmail.com>
---
Implemented .ndo_change_carrier instead of adding a new ioctl

 lib/librte_eal/linuxapp/kni/kni_net.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
  

Comments

Stephen Hemminger June 15, 2015, 4:09 p.m. UTC | #1
On Mon, 15 Jun 2015 04:21:43 -0400
Vijayakumar Muthuvel Manickam <mmvijay@gmail.com> wrote:

> Implement .ndo_change_carrier to enable
> DPDK applications to propagate link state changes to
> kni virtual interfaces through sysfs
> 
> Signed-off-by: Vijayakumar Muthuvel Manickam <mmvijay@gmail.com>
> ---
> Implemented .ndo_change_carrier instead of adding a new ioctl
> 
>  lib/librte_eal/linuxapp/kni/kni_net.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/lib/librte_eal/linuxapp/kni/kni_net.c b/lib/librte_eal/linuxapp/kni/kni_net.c
> index dd95db5..10c94ce 100644
> --- a/lib/librte_eal/linuxapp/kni/kni_net.c
> +++ b/lib/librte_eal/linuxapp/kni/kni_net.c
> @@ -632,6 +632,15 @@ static int kni_net_set_mac(struct net_device *netdev, void *p)
>  	return 0;
>  }
>  
> +static int kni_net_change_carrier(struct net_device *dev, bool new_carrier)
> +{
> +	if (new_carrier)
> +		netif_carrier_on(dev);
> +	else
> +		netif_carrier_off(dev);
> +	return 0;
> +}
> +
>  static const struct header_ops kni_net_header_ops = {
>  	.create  = kni_net_header,
>  	.rebuild = kni_net_rebuild_header,
> @@ -648,6 +657,7 @@ static const struct net_device_ops kni_net_netdev_ops = {
>  	.ndo_get_stats = kni_net_stats,
>  	.ndo_tx_timeout = kni_net_tx_timeout,
>  	.ndo_set_mac_address = kni_net_set_mac,
> +	.ndo_change_carrier = kni_net_change_carrier,
>  };
>  
>  void

Acked-by: Stephen Hemminger <stephen@networkplumber.org>

You might need to have a kernel version test?? since carrier change was
introduced in 3.9 kernel
  

Patch

diff --git a/lib/librte_eal/linuxapp/kni/kni_net.c b/lib/librte_eal/linuxapp/kni/kni_net.c
index dd95db5..10c94ce 100644
--- a/lib/librte_eal/linuxapp/kni/kni_net.c
+++ b/lib/librte_eal/linuxapp/kni/kni_net.c
@@ -632,6 +632,15 @@  static int kni_net_set_mac(struct net_device *netdev, void *p)
 	return 0;
 }
 
+static int kni_net_change_carrier(struct net_device *dev, bool new_carrier)
+{
+	if (new_carrier)
+		netif_carrier_on(dev);
+	else
+		netif_carrier_off(dev);
+	return 0;
+}
+
 static const struct header_ops kni_net_header_ops = {
 	.create  = kni_net_header,
 	.rebuild = kni_net_rebuild_header,
@@ -648,6 +657,7 @@  static const struct net_device_ops kni_net_netdev_ops = {
 	.ndo_get_stats = kni_net_stats,
 	.ndo_tx_timeout = kni_net_tx_timeout,
 	.ndo_set_mac_address = kni_net_set_mac,
+	.ndo_change_carrier = kni_net_change_carrier,
 };
 
 void