[ovs-dev] [PATCH v7] netdev-dpdk: add hotplug support

[Flavio Leitner]

Hi Mauricio,

Could you please rebase this patch?  It doesn't apply anymore.
I will review ASAP.
Thanks!
Flavio

On Fri, Jul 15, 2016 at 04:15:31PM +0200, Mauricio Vasquez B wrote:
> In order to use dpdk ports in ovs they have to be bound to a DPDK
> compatible driver before ovs is started.
> 
> This patch adds the possibility to hotplug (or hot-unplug) a device
> after ovs has been started. The implementation adds two appctl commands:
> netdev-dpdk/port-attach and netdev-dpdk/port-detach
> 
> After the user attaches a new device, it has to be added to a bridge
> using the add-port command, similarly, before detaching a device,
> it has to be removed using the del-port command.
> 
> Signed-off-by: Mauricio Vasquez B <mauricio.vasquezbernal at studenti.polito.it>
> ---
> v7:
>  - rebase to master
> v6:
>  - add explicit comment about supporting VFIO
>  - rebase to master
> v5:
>  - use two appctl commands instead of a single one
>  - rebase to master
> v4:
>  - fix typo in commit message
>  - remove unnecessary whitespace change in INSTALL.DPDK.md
> v3:
>  - create dpdk_port_attach and dpdk_port_detach functions
>  - modify mutex locking order
> v2:
>  - use rte_eth_dev_is_valid_port() to check if a port is valid
>  INSTALL.DPDK-ADVANCED.md |  25 ++++++++++++
>  NEWS                     |   1 +
>  lib/netdev-dpdk.c        | 101 +++++++++++++++++++++++++++++++++++++++++++----
>  3 files changed, 120 insertions(+), 7 deletions(-)
>