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Message-Id: <20170105190913.29986-2-phil@nwl.cc>
Date: Thu, 5 Jan 2017 20:09:11 +0100
From: Phil Sutter <phil@....cc>
To: David Miller <davem@...emloft.net>
Cc: netdev@...r.kernel.org
Subject: [net-next PATCH v6 1/3] net: net_device_ops: Introduce ndo_get_vf_count
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 <phil@....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
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