From 9a32b860431aee0cba50ab2414bfa29f4bb2f0d7 Mon Sep 17 00:00:00 2001 From: Jiri Pirko Date: Sun, 8 Dec 2013 12:16:09 +0100 Subject: [PATCH] dn_dev: add support for IFA_FLAGS nl attribute Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- include/net/dn_dev.h | 2 +- net/decnet/dn_dev.c | 13 +++++++++---- 2 files changed, 10 insertions(+), 5 deletions(-) diff --git a/include/net/dn_dev.h b/include/net/dn_dev.h index 20b5ab06032d..197886cd7bdd 100644 --- a/include/net/dn_dev.h +++ b/include/net/dn_dev.h @@ -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; diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c index dd0dfb25f4b1..a603823a3e27 100644 --- a/net/decnet/dn_dev.c +++ b/net/decnet/dn_dev.c @@ -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); -- 2.20.1