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batman-adv: Drop compat-hack for nla_put_u64_64bit

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nla_put_u64_64bit is already defined by the mac80211's backports and
doesn't have to be redefined in the compat-hacks.h.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
This commit is contained in:
Sven Eckelmann 2019-02-22 20:19:42 +01:00
parent 89bc1bc1a1
commit 3f0a7c4880
1 changed files with 0 additions and 93 deletions
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93
batman-adv/src/compat-hacks.h
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@ -105,99 +105,6 @@ batadv_ethtool_get_link_ksettings(struct net_device *dev,
#endif /* < KERNEL_VERSION(4, 6, 0) */
#include_next <linux/netlink.h>
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 7, 0)
#include_next <net/netlink.h>
static inline bool batadv_nla_need_padding_for_64bit(struct sk_buff *skb);
static inline int batadv_nla_align_64bit(struct sk_buff *skb, int padattr)
{
if (batadv_nla_need_padding_for_64bit(skb) &&
!nla_reserve(skb, padattr, 0))
return -EMSGSIZE;
return 0;
}
static inline struct nlattr *batadv__nla_reserve_64bit(struct sk_buff *skb,
int attrtype,
int attrlen, int padattr)
{
if (batadv_nla_need_padding_for_64bit(skb))
batadv_nla_align_64bit(skb, padattr);
return __nla_reserve(skb, attrtype, attrlen);
}
static inline void batadv__nla_put_64bit(struct sk_buff *skb, int attrtype,
int attrlen, const void *data,
int padattr)
{
struct nlattr *nla;
nla = batadv__nla_reserve_64bit(skb, attrtype, attrlen, padattr);
memcpy(nla_data(nla), data, attrlen);
}
static inline bool batadv_nla_need_padding_for_64bit(struct sk_buff *skb)
{
#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
/* The nlattr header is 4 bytes in size, that's why we test
* if the skb->data _is_ aligned. A NOP attribute, plus
* nlattr header for next attribute, will make nla_data()
* 8-byte aligned.
*/
if (IS_ALIGNED((unsigned long)skb_tail_pointer(skb), 8))
return true;
#endif
return false;
}
static inline int batadv_nla_total_size_64bit(int payload)
{
return NLA_ALIGN(nla_attr_size(payload))
#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+ NLA_ALIGN(nla_attr_size(0))
#endif
;
}
static inline int batadv_nla_put_64bit(struct sk_buff *skb, int attrtype,
int attrlen, const void *data,
int padattr)
{
size_t len;
if (batadv_nla_need_padding_for_64bit(skb))
len = batadv_nla_total_size_64bit(attrlen);
else
len = nla_total_size(attrlen);
if (unlikely(skb_tailroom(skb) < len))
return -EMSGSIZE;
batadv__nla_put_64bit(skb, attrtype, attrlen, data, padattr);
return 0;
}
#ifdef nla_put_u64_64bit
#undef nla_put_u64_64bit
#endif
#define nla_put_u64_64bit(_skb, _attrtype, _value, _padattr) \
batadv_nla_put_u64_64bit(_skb, _attrtype, _value, _padattr)
static inline int batadv_nla_put_u64_64bit(struct sk_buff *skb, int attrtype,
u64 value, int padattr)
{
return batadv_nla_put_64bit(skb, attrtype, sizeof(u64), &value,
padattr);
}
#endif /* < KERNEL_VERSION(4, 7, 0) */
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0)
#include_next <linux/cache.h>