> -----Original Message-----
> From: Wang, Haiyue <[email protected]>
> Sent: Thursday, October 21, 2021 9:14 AM
> To: Tudor Cornea <[email protected]>; Zhang, Qi Z
> <[email protected]>
> Cc: Zhang, AlvinX <[email protected]>; Yigit, Ferruh
> <[email protected]>; [email protected]
> Subject: RE: [PATCH v2] net/ixgbe: initialize port even if mtu config fails
>
> > -----Original Message-----
> > From: Tudor Cornea <[email protected]>
> > Sent: Thursday, October 21, 2021 02:14
> > To: Zhang, Qi Z <[email protected]>
> > Cc: Wang, Haiyue <[email protected]>; Zhang, AlvinX
> > <[email protected]>; Yigit, Ferruh <[email protected]>;
> > [email protected]; Tudor Cornea <[email protected]>
> > Subject: [PATCH v2] net/ixgbe: initialize port even if mtu config
> > fails
> >
> > On a VMware ESXi 6.0 setup with an Intel 82599 NIC the ports don't
> > seem to initialize anymore, while running testpmd.
> >
> > Configuring Port 0 (socket 0)
> > ixgbevf_dev_rx_init(): Set max packet length to 1518 failed.
> > ixgbevf_dev_start(): Unable to initialize RX hardware (-22) Fail to
> > start port 0: Invalid argument Configuring Port 1 (socket 0)
> > ixgbevf_dev_rx_init(): Set max packet length to 1518 failed.
> > ixgbevf_dev_start(): Unable to initialize RX hardware (-22) Fail to
> > start port 1: Invalid argument Please stop the ports first
> >
> > If the call to ixgbevf_rlpml_set_vf fails and we return prematurely,
> > we will not be able to initialize the ports correctly.
> >
> > The behavior seems to have changed since the following commit:
> >
> > commit c77866a16904 ("net/ixgbe: detect failed VF MTU set")
> >
> > We can make this particular use case work correctly if we don't return
> > an error, which seems to be consistent with the overall kernel ixgbevf
> > implementation.
> >
> > [1]
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tre
> > e/drivers/net/ethernet/intel/ixg
> > bevf/ixgbevf_main.c#n2015
> >
> > Signed-off-by: Tudor Cornea <[email protected]>
> >
> > ---
> > v2:
> > * Change title
> > * Remove max_rx_pkt_len fix in ixgbe_ethdev.c
> > It's already fixed as part of Ferruh's changes in next-net branch,
> > so this part should be redundant, now
> > ---
> > drivers/net/ixgbe/ixgbe_rxtx.c | 4 +---
> > 1 file changed, 1 insertion(+), 3 deletions(-)
> >
>
> Thanks!
>
> Acked-by: Haiyue Wang <[email protected]>
Applied to dpdk-next-net-intel.
Thanks
Qi
>
>
> > --
> > 2.7.4
>
