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Commit 4778e0be authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

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: default avatarJiri Pirko <jiri@resnulli.us>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ff6e1225

include/net/netlink.h

+98 −0
Original line number Diff line number Diff line
@@ -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