@@ -1279,6 +1279,10 @@ struct net_device {
* that share the same link
* layer address
*/
+ unsigned short dev_port; /* Used to differentiate
+ * devices that share the same
+ * function
+ */
spinlock_t addr_list_lock;
struct netdev_hw_addr_list uc; /* Unicast mac addresses */
struct netdev_hw_addr_list mc; /* Multicast mac addresses */
@@ -104,6 +104,7 @@ static ssize_t netdev_store(struct device *dev, struct device_attribute *attr,
}
NETDEVICE_SHOW_RO(dev_id, fmt_hex);
+NETDEVICE_SHOW_RO(dev_port, fmt_dec);
NETDEVICE_SHOW_RO(addr_assign_type, fmt_dec);
NETDEVICE_SHOW_RO(addr_len, fmt_dec);
NETDEVICE_SHOW_RO(iflink, fmt_dec);
@@ -373,6 +374,7 @@ static struct attribute *net_class_attrs[] = {
&dev_attr_netdev_group.attr,
&dev_attr_type.attr,
&dev_attr_dev_id.attr,
+ &dev_attr_dev_port.attr,
&dev_attr_iflink.attr,
&dev_attr_ifindex.attr,
&dev_attr_addr_assign_type.attr,
Add a sysfs file to enable user space to query the device port number used by a netdevice instance. This is needed for devices that have multiple ports on the same PCI function. Signed-off-by: Amir Vadai <amirv@mellanox.com> --- include/linux/netdevice.h | 4 ++++ net/core/net-sysfs.c | 2 ++ 2 files changed, 6 insertions(+)