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netlink: add signed types 

Signed types might be needed in NL communication from time to time
(I need s32 in team driver), so add them.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2012-07-27 06:28:52 +00:00 committed by David S. Miller
parent ff6e122595
commit 4778e0be16
1 changed files with 98 additions and 0 deletions
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98
include/net/netlink.h
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@ -98,6 +98,10 @@
* nla_put_u16(skb, type, value) add u16 attribute to skb
* nla_put_u32(skb, type, value) add u32 attribute to skb
* nla_put_u64(skb, type, value) add u64 attribute to skb
* nla_put_s8(skb, type, value) add s8 attribute to skb
* nla_put_s16(skb, type, value) add s16 attribute to skb
* nla_put_s32(skb, type, value) add s32 attribute to skb
* nla_put_s64(skb, type, value) add s64 attribute to skb
* nla_put_string(skb, type, str) add string attribute to skb
* nla_put_flag(skb, type) add flag attribute to skb
* nla_put_msecs(skb, type, jiffies) add msecs attribute to skb
@ -121,6 +125,10 @@
* nla_get_u16(nla) get payload for a u16 attribute
* nla_get_u32(nla) get payload for a u32 attribute
* nla_get_u64(nla) get payload for a u64 attribute
* nla_get_s8(nla) get payload for a s8 attribute
* nla_get_s16(nla) get payload for a s16 attribute
* nla_get_s32(nla) get payload for a s32 attribute
* nla_get_s64(nla) get payload for a s64 attribute
* nla_get_flag(nla) return 1 if flag is true
* nla_get_msecs(nla) get payload for a msecs attribute
*
@ -160,6 +168,10 @@ enum {
NLA_NESTED_COMPAT,
NLA_NUL_STRING,
NLA_BINARY,
NLA_S8,
NLA_S16,
NLA_S32,
NLA_S64,
__NLA_TYPE_MAX,
};
@ -183,6 +195,8 @@ enum {
* NLA_NESTED_COMPAT Minimum length of structure payload
* NLA_U8, NLA_U16,
* NLA_U32, NLA_U64,
* NLA_S8, NLA_S16,
* NLA_S32, NLA_S64,
* NLA_MSECS Leaving the length field zero will verify the
* given type fits, using it verifies minimum length
* just like "All other"
@ -878,6 +892,50 @@ static inline int nla_put_le64(struct sk_buff *skb, int attrtype, __le64 value)
return nla_put(skb, attrtype, sizeof(__le64), &value);
}
/**
* nla_put_s8 - Add a s8 netlink attribute to a socket buffer
* @skb: socket buffer to add attribute to
* @attrtype: attribute type
* @value: numeric value
*/
static inline int nla_put_s8(struct sk_buff *skb, int attrtype, s8 value)
{
return nla_put(skb, attrtype, sizeof(s8), &value);
}
/**
* nla_put_s16 - Add a s16 netlink attribute to a socket buffer
* @skb: socket buffer to add attribute to
* @attrtype: attribute type
* @value: numeric value
*/
static inline int nla_put_s16(struct sk_buff *skb, int attrtype, s16 value)
{
return nla_put(skb, attrtype, sizeof(s16), &value);
}
/**
* nla_put_s32 - Add a s32 netlink attribute to a socket buffer
* @skb: socket buffer to add attribute to
* @attrtype: attribute type
* @value: numeric value
*/
static inline int nla_put_s32(struct sk_buff *skb, int attrtype, s32 value)
{
return nla_put(skb, attrtype, sizeof(s32), &value);
}
/**
* nla_put_s64 - Add a s64 netlink attribute to a socket buffer
* @skb: socket buffer to add attribute to
* @attrtype: attribute type
* @value: numeric value
*/
static inline int nla_put_s64(struct sk_buff *skb, int attrtype, s64 value)
{
return nla_put(skb, attrtype, sizeof(s64), &value);
}
/**
* nla_put_string - Add a string netlink attribute to a socket buffer
* @skb: socket buffer to add attribute to
@ -993,6 +1051,46 @@ static inline __be64 nla_get_be64(const struct nlattr *nla)
return tmp;
}
/**
* nla_get_s32 - return payload of s32 attribute
* @nla: s32 netlink attribute
*/
static inline s32 nla_get_s32(const struct nlattr *nla)
{
return *(s32 *) nla_data(nla);
}
/**
* nla_get_s16 - return payload of s16 attribute
* @nla: s16 netlink attribute
*/
static inline s16 nla_get_s16(const struct nlattr *nla)
{
return *(s16 *) nla_data(nla);
}
/**
* nla_get_s8 - return payload of s8 attribute
* @nla: s8 netlink attribute
*/
static inline s8 nla_get_s8(const struct nlattr *nla)
{
return *(s8 *) nla_data(nla);
}
/**
* nla_get_s64 - return payload of s64 attribute
* @nla: s64 netlink attribute
*/
static inline s64 nla_get_s64(const struct nlattr *nla)
{
s64 tmp;
nla_memcpy(&tmp, nla, sizeof(tmp));
return tmp;
}
/**
* nla_get_flag - return payload of flag attribute
* @nla: flag netlink attribute