net/ixgbe: fix port initialization 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:
Fixes: c77866a16904 ("net/ixgbe: detect failed VF MTU set") Cc: stable@dpdk.org
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.
git.droids-corp.org / dpdk.git / commit