[Intel-wired-lan] [PATCH v3] i40e: Add macvlan support on i40e

[Bowers, AndrewX]

> -----Original Message-----
> From: Intel-wired-lan [mailto:intel-wired-lan-bounces at osuosl.org] On
> Behalf Of Harshitha Ramamurthy
> Sent: Wednesday, January 16, 2019 3:54 PM
> To: intel-wired-lan at lists.osuosl.org
> Cc: Duyck, Alexander H <alexander.h.duyck at intel.com>
> Subject: [Intel-wired-lan] [PATCH v3] i40e: Add macvlan support on i40e
> 
> This patch enables macvlan offloads for i40e. The idea is to use channels as
> macvlan interfaces. The channels are VSIs of type VMDQ. When the first
> macvlan is created, the maximum number of channels possible are created.
> From then on, as a macvlan interface is created, a mac filter is added to these
> already created channels (VSIs).
> 
> This patch builds on top of the recent changes which move away from the
> select_queue implementation of picking the tx queue.
> 
> Steps to configure macvlan offloads:
> 1. sudo ethtool -K ens261f1 l2-fwd-offload on 2. ip link add link ens261f1
> name macvlan1 type macvlan 3. sudo ip link add link ens261f1 name macvlan1
> type macvlan 4. sudo ip link set macvlan1 up
> 
> Signed-off-by: Harshitha Ramamurthy <harshitha.ramamurthy at intel.com>
> ---
> v3: Renamed i40e_remove_macvlan_channels() to
> i40e_free_macvlan_channels()
>     Fixed an indentation issue and added some comments
>     Removed a code name from the commit message
>     Addressed some more of Shannon's comments
> 
> v2: Addressed Shannon's comments
>     Added a new function to remove all macvlan VSIs
> 
>  drivers/net/ethernet/intel/i40e/i40e.h      |  26 ++
>  drivers/net/ethernet/intel/i40e/i40e_main.c | 481 +++++++++++++++++++-
>  2 files changed, 505 insertions(+), 2 deletions(-)

Tested-by: Andrew Bowers <andrewx.bowers at intel.com>