Tue, Jan 03, 2017 at 07:07:50PM CET, sridhar.samudr...@intel.com wrote:
>VF Port Representator netdevs are created for each VF if the switch mode
>is set to 'switchdev'. These netdevs can be used to control and configure
>VFs from PFs namespace. They enable exposing VF statistics, configure and
>monitor link state, mtu, filters, fdb/vlan entries etc. of VFs.
>Broadcast filters are not enabled in switchdev mode.
>
>Sample script to create VF port representors
># rmmod i40e; modprobe i40e
># devlink dev eswitch set pci/0000:05:00.0 mode switchdev
># echo 2 > /sys/class/net/enp5s0f0/device/sriov_numvfs
># ip l show
>297: enp5s0f0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop portid 6805ca2e7268
>state DOWN mode DEFAULT group default qlen 1000
> link/ether 68:05:ca:2e:72:68 brd ff:ff:ff:ff:ff:ff
> vf 0 MAC 00:00:00:00:00:00, spoof checking on, link-state auto, trust off
> vf 1 MAC 00:00:00:00:00:00, spoof checking on, link-state auto, trust off
>299: enp5s0f0-vf0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode
>DEFAULT group default qlen 1000
> link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
>300: enp5s0f0-vf1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode
>DEFAULT group default qlen 1000
> link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
>
>Signed-off-by: Sridhar Samudrala <sridhar.samudr...@intel.com>
>---
> drivers/net/ethernet/intel/i40e/i40e_main.c | 21 ++-
> drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 154 ++++++++++++++++++++-
> drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h | 14 ++
> 3 files changed, 182 insertions(+), 7 deletions(-)
>
>diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c
>b/drivers/net/ethernet/intel/i40e/i40e_main.c
>index c01a620..17428f0 100644
>--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
>+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
>@@ -10938,15 +10938,34 @@ static int i40e_devlink_eswitch_mode_get(struct
>devlink *devlink, u16 *mode)
> static int i40e_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode)
> {
> struct i40e_pf *pf = devlink_priv(devlink);
>- int err = 0;
>+ struct i40e_vf *vf;
>+ int i, j, err = 0;
>
> if (mode == pf->eswitch_mode)
> goto done;
>
> switch (mode) {
> case DEVLINK_ESWITCH_MODE_LEGACY:
>+ for (i = 0; i < pf->num_alloc_vfs; i++) {
>+ vf = &(pf->vf[i]);
>+ i40e_free_vfpr_netdev(vf);
>+ }
> pf->eswitch_mode = mode;
> break;
>+ case DEVLINK_ESWITCH_MODE_SWITCHDEV:
>+ for (i = 0; i < pf->num_alloc_vfs; i++) {
>+ vf = &(pf->vf[i]);
>+ err = i40e_alloc_vfpr_netdev(vf, i);
>+ if (err) {
>+ for (j = 0; j < i; j++) {
>+ vf = &(pf->vf[j]);
>+ i40e_free_vfpr_netdev(vf);
>+ }
>+ goto done;
>+ }
>+ }
>+ pf->eswitch_mode = mode;
^^^^^^^^^^^^^^^^ wrong indent
