diff options
| -rw-r--r-- | include/uapi/linux/if_link.h | 1 | ||||
| -rw-r--r-- | net/core/rtnetlink.c | 25 |
2 files changed, 25 insertions, 1 deletions
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h index 03f6170ab337..04c0e7a5d484 100644 --- a/include/uapi/linux/if_link.h +++ b/include/uapi/linux/if_link.h @@ -143,6 +143,7 @@ enum { IFLA_NUM_TX_QUEUES, IFLA_NUM_RX_QUEUES, IFLA_CARRIER, + IFLA_PHYS_PORT_ID, __IFLA_MAX }; diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 3de740834d1f..0b2972c59b97 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -767,7 +767,8 @@ static noinline size_t if_nlmsg_size(const struct net_device *dev, + rtnl_vfinfo_size(dev, ext_filter_mask) /* IFLA_VFINFO_LIST */ + rtnl_port_size(dev) /* IFLA_VF_PORTS + IFLA_PORT_SELF */ + rtnl_link_get_size(dev) /* IFLA_LINKINFO */ - + rtnl_link_get_af_size(dev); /* IFLA_AF_SPEC */ + + rtnl_link_get_af_size(dev) /* IFLA_AF_SPEC */ + + nla_total_size(MAX_PHYS_PORT_ID_LEN); /* IFLA_PHYS_PORT_ID */ } static int rtnl_vf_ports_fill(struct sk_buff *skb, struct net_device *dev) @@ -846,6 +847,24 @@ static int rtnl_port_fill(struct sk_buff *skb, struct net_device *dev) return 0; } +static int rtnl_phys_port_id_fill(struct sk_buff *skb, struct net_device *dev) +{ + int err; + struct netdev_phys_port_id ppid; + + err = dev_get_phys_port_id(dev, &ppid); + if (err) { + if (err == -EOPNOTSUPP) + return 0; + return err; + } + + if (nla_put(skb, IFLA_PHYS_PORT_ID, ppid.id_len, ppid.id)) + return -EMSGSIZE; + + return 0; +} + static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev, int type, u32 pid, u32 seq, u32 change, unsigned int flags, u32 ext_filter_mask) @@ -913,6 +932,9 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev, goto nla_put_failure; } + if (rtnl_phys_port_id_fill(skb, dev)) + goto nla_put_failure; + attr = nla_reserve(skb, IFLA_STATS, sizeof(struct rtnl_link_stats)); if (attr == NULL) @@ -1113,6 +1135,7 @@ const struct nla_policy ifla_policy[IFLA_MAX+1] = { [IFLA_PROMISCUITY] = { .type = NLA_U32 }, [IFLA_NUM_TX_QUEUES] = { .type = NLA_U32 }, [IFLA_NUM_RX_QUEUES] = { .type = NLA_U32 }, + [IFLA_PHYS_PORT_ID] = { .type = NLA_BINARY, .len = MAX_PHYS_PORT_ID_LEN }, }; EXPORT_SYMBOL(ifla_policy); |