diff options
| author | Amir Vadai <amirv@mellanox.com> | 2014-02-25 18:17:50 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-02-26 15:38:06 -0500 |
| commit | 3f85944fe207d0225ef21a2c0951d4946fc9a95d (patch) | |
| tree | a7183f4fe0dfd0d86120535654516a265bc787e2 | |
| parent | f2ea0cfd6b5fb7daf4cf48bdc364f1cf9ef55d0c (diff) | |
net: Add sysfs file for port number
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>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/netdevice.h | 4 | ||||
| -rw-r--r-- | net/core/net-sysfs.c | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 5e4756553c18..5e84483c0650 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -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 */ diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 73aa594674ef..daed9a64c6f6 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -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, |