diff options
| -rw-r--r-- | include/uapi/linux/if_link.h | 4 | ||||
| -rw-r--r-- | net/hsr/hsr_netlink.c | 28 |
2 files changed, 31 insertions, 1 deletions
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h index b78566f59aba..6db460121f84 100644 --- a/include/uapi/linux/if_link.h +++ b/include/uapi/linux/if_link.h @@ -488,7 +488,9 @@ enum { IFLA_HSR_UNSPEC, IFLA_HSR_SLAVE1, IFLA_HSR_SLAVE2, - IFLA_HSR_MULTICAST_SPEC, + IFLA_HSR_MULTICAST_SPEC, /* Last byte of supervision addr */ + IFLA_HSR_SUPERVISION_ADDR, /* Supervision frame multicast addr */ + IFLA_HSR_SEQ_NR, __IFLA_HSR_MAX, }; diff --git a/net/hsr/hsr_netlink.c b/net/hsr/hsr_netlink.c index 5325af85eea6..01a5261ac7a5 100644 --- a/net/hsr/hsr_netlink.c +++ b/net/hsr/hsr_netlink.c @@ -23,6 +23,8 @@ static const struct nla_policy hsr_policy[IFLA_HSR_MAX + 1] = { [IFLA_HSR_SLAVE1] = { .type = NLA_U32 }, [IFLA_HSR_SLAVE2] = { .type = NLA_U32 }, [IFLA_HSR_MULTICAST_SPEC] = { .type = NLA_U8 }, + [IFLA_HSR_SUPERVISION_ADDR] = { .type = NLA_BINARY, .len = ETH_ALEN }, + [IFLA_HSR_SEQ_NR] = { .type = NLA_U16 }, }; @@ -59,6 +61,31 @@ static int hsr_newlink(struct net *src_net, struct net_device *dev, return hsr_dev_finalize(dev, link, multicast_spec); } +static int hsr_fill_info(struct sk_buff *skb, const struct net_device *dev) +{ + struct hsr_priv *hsr_priv; + + hsr_priv = netdev_priv(dev); + + if (hsr_priv->slave[0]) + if (nla_put_u32(skb, IFLA_HSR_SLAVE1, hsr_priv->slave[0]->ifindex)) + goto nla_put_failure; + + if (hsr_priv->slave[1]) + if (nla_put_u32(skb, IFLA_HSR_SLAVE2, hsr_priv->slave[1]->ifindex)) + goto nla_put_failure; + + if (nla_put(skb, IFLA_HSR_SUPERVISION_ADDR, ETH_ALEN, + hsr_priv->sup_multicast_addr) || + nla_put_u16(skb, IFLA_HSR_SEQ_NR, hsr_priv->sequence_nr)) + goto nla_put_failure; + + return 0; + +nla_put_failure: + return -EMSGSIZE; +} + static struct rtnl_link_ops hsr_link_ops __read_mostly = { .kind = "hsr", .maxtype = IFLA_HSR_MAX, @@ -66,6 +93,7 @@ static struct rtnl_link_ops hsr_link_ops __read_mostly = { .priv_size = sizeof(struct hsr_priv), .setup = hsr_dev_setup, .newlink = hsr_newlink, + .fill_info = hsr_fill_info, }; |