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net/hsr: Support iproute print_opt ('ip -details ...')

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This implements the rtnl_link_ops fill_info routine for HSR.

Signed-off-by: Arvid Brodin <arvid.brodin@alten.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arvid Brodin 2013-11-29 23:38:16 +01:00 committed by David S. Miller
parent 213e3bc723
commit 98bf836222
2 changed files with 31 additions and 1 deletions
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4
include/uapi/linux/if_link.h
View file

@ -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,
};

28
net/hsr/hsr_netlink.c
View file

@ -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,
};