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libnl: add nla_put_u64_64bit() helper

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With this function, nla_data() is aligned on a 64-bit area.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2016-04-22 17:31:22 +02:00 committed by David S. Miller
parent 2175d87cc3
commit 73520786b0
1 changed files with 13 additions and 0 deletions
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13
include/net/netlink.h
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@ -857,6 +857,19 @@ static inline int nla_put_u64(struct sk_buff *skb, int attrtype, u64 value)
return nla_put(skb, attrtype, sizeof(u64), &value);
}
/**
* nla_put_u64_64bit - Add a u64 netlink attribute to a skb and align it
* @skb: socket buffer to add attribute to
* @attrtype: attribute type
* @value: numeric value
* @padattr: attribute type for the padding
*/
static inline int nla_put_u64_64bit(struct sk_buff *skb, int attrtype,
u64 value, int padattr)
{
return nla_put_64bit(skb, attrtype, sizeof(u64), &value, padattr);
}
/**
* nla_put_be64 - Add a __be64 netlink attribute to a socket buffer and align it
* @skb: socket buffer to add attribute to