liquidio: fix use of pf in pass-through mode in a virtual machine

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Fix problem when PF is used in pass-through mode in a VM (w/embedded f/w).

If host error reading PF num from CN23XX_PCIE_SRIOV_FDL reg,
try to retrieve PF num from SLI_PKT(0)_INPUT_CONTROL (initialized by f/w).

Signed-off-by: Rick Farrington <ricardo.farrington@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Rick Farrington 2017-08-18 18:21:49 -07:00 • committed by David S. Miller

parent 6eb15e2130

commit 0c45d7fe12

2 changed files with 44 additions and 5 deletions

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47

drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c

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2

drivers/net/ethernet/cavium/liquidio/lio_main.c

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