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dn_dev: add support for IFA_FLAGS nl attribute

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Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2013-12-08 12:16:09 +01:00 committed by David S. Miller
parent 94a12b15e4
commit 9a32b86043
2 changed files with 10 additions and 5 deletions
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2
include/net/dn_dev.h
View file

@ -9,7 +9,7 @@ struct dn_ifaddr {
struct dn_dev *ifa_dev;
__le16 ifa_local;
__le16 ifa_address;
__u8 ifa_flags;
__u32 ifa_flags;
__u8 ifa_scope;
char ifa_label[IFNAMSIZ];
struct rcu_head rcu;

13
net/decnet/dn_dev.c
View file

@ -561,6 +561,7 @@ static const struct nla_policy dn_ifa_policy[IFA_MAX+1] = {
[IFA_LOCAL] = { .type = NLA_U16 },
[IFA_LABEL] = { .type = NLA_STRING,
.len = IFNAMSIZ - 1 },
[IFA_FLAGS] = { .type = NLA_U32 },
};
static int dn_nl_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh)
@ -648,7 +649,8 @@ static int dn_nl_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh)
ifa->ifa_local = nla_get_le16(tb[IFA_LOCAL]);
ifa->ifa_address = nla_get_le16(tb[IFA_ADDRESS]);
ifa->ifa_flags = ifm->ifa_flags;
ifa->ifa_flags = tb[IFA_FLAGS] ? nla_get_u32(tb[IFA_FLAGS]) :
ifm->ifa_flags;
ifa->ifa_scope = ifm->ifa_scope;
ifa->ifa_dev = dn_db;
@ -669,7 +671,8 @@ static inline size_t dn_ifaddr_nlmsg_size(void)
return NLMSG_ALIGN(sizeof(struct ifaddrmsg))
+ nla_total_size(IFNAMSIZ) /* IFA_LABEL */
+ nla_total_size(2) /* IFA_ADDRESS */
+ nla_total_size(2); /* IFA_LOCAL */
+ nla_total_size(2) /* IFA_LOCAL */
+ nla_total_size(4); /* IFA_FLAGS */
}
static int dn_nl_fill_ifaddr(struct sk_buff *skb, struct dn_ifaddr *ifa,
@ -677,6 +680,7 @@ static int dn_nl_fill_ifaddr(struct sk_buff *skb, struct dn_ifaddr *ifa,
{
struct ifaddrmsg *ifm;
struct nlmsghdr *nlh;
u32 ifa_flags = ifa->ifa_flags | IFA_F_PERMANENT;
nlh = nlmsg_put(skb, portid, seq, event, sizeof(*ifm), flags);
if (nlh == NULL)
@ -685,7 +689,7 @@ static int dn_nl_fill_ifaddr(struct sk_buff *skb, struct dn_ifaddr *ifa,
ifm = nlmsg_data(nlh);
ifm->ifa_family = AF_DECnet;
ifm->ifa_prefixlen = 16;
ifm->ifa_flags = ifa->ifa_flags | IFA_F_PERMANENT;
ifm->ifa_flags = ifa_flags;
ifm->ifa_scope = ifa->ifa_scope;
ifm->ifa_index = ifa->ifa_dev->dev->ifindex;
@ -694,7 +698,8 @@ static int dn_nl_fill_ifaddr(struct sk_buff *skb, struct dn_ifaddr *ifa,
(ifa->ifa_local &&
nla_put_le16(skb, IFA_LOCAL, ifa->ifa_local)) ||
(ifa->ifa_label[0] &&
nla_put_string(skb, IFA_LABEL, ifa->ifa_label)))
nla_put_string(skb, IFA_LABEL, ifa->ifa_label)) ||
nla_put_u32(skb, IFA_FLAGS, ifa_flags))
goto nla_put_failure;
return nlmsg_end(skb, nlh);