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netlink: implement nla_get_in_addr and nla_get_in6_addr

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Those are counterparts to nla_put_in_addr and nla_put_in6_addr.

Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Benc
2015-03-29 16:59:26 +02:00
committed by David S. Miller
parent 930345ea63
commit 67b61f6c13
21 changed files with 72 additions and 62 deletions
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21
include/net/netlink.h
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@@ -1127,6 +1127,27 @@ static inline unsigned long nla_get_msecs(const struct nlattr *nla)
return msecs_to_jiffies((unsigned long) msecs);
}
/**
* nla_get_in_addr - return payload of IPv4 address attribute
* @nla: IPv4 address netlink attribute
*/
static inline __be32 nla_get_in_addr(const struct nlattr *nla)
{
return *(__be32 *) nla_data(nla);
}
/**
* nla_get_in6_addr - return payload of IPv6 address attribute
* @nla: IPv6 address netlink attribute
*/
static inline struct in6_addr nla_get_in6_addr(const struct nlattr *nla)
{
struct in6_addr tmp;
nla_memcpy(&tmp, nla, sizeof(tmp));
return tmp;
}
/**
* nla_nest_start - Start a new level of nested attributes
* @skb: socket buffer to add attributes to