The idea is to allow drivers to implement this callback in order to provide a custom way to return the number of virtual functions present on the device.
Signed-off-by: Phil Sutter <p...@nwl.cc> --- Changes since v5: - Introduced this patch. --- include/linux/netdevice.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index ecd78b3c9abad..a04a693f55065 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -964,6 +964,10 @@ struct netdev_xdp { * with PF and querying it may introduce a theoretical security risk. * int (*ndo_set_vf_rss_query_en)(struct net_device *dev, int vf, bool setting); * int (*ndo_get_vf_port)(struct net_device *dev, int vf, struct sk_buff *skb); + * int (*ndo_get_vf_count)(const struct net_device *dev); + * Return the number of VFs present on this device instead of having + * rtnetlink use pci_num_vf() on the PCI parent device. + * * int (*ndo_setup_tc)(struct net_device *dev, u8 tc) * Called to setup 'tc' number of traffic classes in the net device. This * is always called from the stack with the rtnl lock held and netif tx @@ -1218,6 +1222,7 @@ struct net_device_ops { int (*ndo_set_vf_rss_query_en)( struct net_device *dev, int vf, bool setting); + int (*ndo_get_vf_count)(const struct net_device *dev); int (*ndo_setup_tc)(struct net_device *dev, u32 handle, __be16 protocol, -- 2.11.0