提交 ad6c8135 编写于 作者: J Jiri Pirko 提交者: David S. Miller

ipv4: add support for IFA_FLAGS nl attribute

Signed-off-by: NJiri Pirko <jiri@resnulli.us>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 9a32b860
......@@ -136,8 +136,8 @@ struct in_ifaddr {
__be32 ifa_mask;
__be32 ifa_broadcast;
unsigned char ifa_scope;
unsigned char ifa_flags;
unsigned char ifa_prefixlen;
__u32 ifa_flags;
char ifa_label[IFNAMSIZ];
/* In seconds, relative to tstamp. Expiry is at tstamp + HZ * lft. */
......
......@@ -99,6 +99,7 @@ static const struct nla_policy ifa_ipv4_policy[IFA_MAX+1] = {
[IFA_BROADCAST] = { .type = NLA_U32 },
[IFA_LABEL] = { .type = NLA_STRING, .len = IFNAMSIZ - 1 },
[IFA_CACHEINFO] = { .len = sizeof(struct ifa_cacheinfo) },
[IFA_FLAGS] = { .type = NLA_U32 },
};
#define IN4_ADDR_HSIZE_SHIFT 8
......@@ -757,7 +758,8 @@ static struct in_ifaddr *rtm_to_ifaddr(struct net *net, struct nlmsghdr *nlh,
INIT_HLIST_NODE(&ifa->hash);
ifa->ifa_prefixlen = ifm->ifa_prefixlen;
ifa->ifa_mask = inet_make_mask(ifm->ifa_prefixlen);
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 = in_dev;
......@@ -1437,7 +1439,8 @@ static size_t inet_nlmsg_size(void)
+ nla_total_size(4) /* IFA_ADDRESS */
+ nla_total_size(4) /* IFA_LOCAL */
+ nla_total_size(4) /* IFA_BROADCAST */
+ nla_total_size(IFNAMSIZ); /* IFA_LABEL */
+ nla_total_size(IFNAMSIZ) /* IFA_LABEL */
+ nla_total_size(4); /* IFA_FLAGS */
}
static inline u32 cstamp_delta(unsigned long cstamp)
......@@ -1505,6 +1508,7 @@ static int inet_fill_ifaddr(struct sk_buff *skb, struct in_ifaddr *ifa,
nla_put_be32(skb, IFA_BROADCAST, ifa->ifa_broadcast)) ||
(ifa->ifa_label[0] &&
nla_put_string(skb, IFA_LABEL, ifa->ifa_label)) ||
nla_put_u32(skb, IFA_FLAGS, ifa->ifa_flags) ||
put_cacheinfo(skb, ifa->ifa_cstamp, ifa->ifa_tstamp,
preferred, valid))
goto nla_put_failure;
......
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