These functions were added in kernel 4.13 and are used by many driver
now.
This was added in the following upsteram comits:
e45a79da863c19 ("skbuff/mac80211: introduce and use skb_put_zero()")
59ae1d127ac0ae ("networking: introduce and use skb_put_data()")
634fef61076d64 ("networking: add and use skb_put_u8()")
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
backport/backport-include/linux/skbuff.h | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/backport/backport-include/linux/skbuff.h b/backport/backport-include/linux/skbuff.h
index dc957487..09894a96 100644
--- a/backport/backport-include/linux/skbuff.h
+++ b/backport/backport-include/linux/skbuff.h
@@ -315,4 +315,30 @@ __u32 skb_get_hash_perturb(const struct sk_buff *skb, u32 perturb)
#endif
+#if LINUX_VERSION_IS_LESS(4,13,0)
+static inline void *skb_put_zero(struct sk_buff *skb, unsigned int len)
+{
+ void *tmp = skb_put(skb, len);
+
+ memset(tmp, 0, len);
+
+ return tmp;
+}
+
+static inline void *skb_put_data(struct sk_buff *skb, const void *data,
+ unsigned int len)
+{
+ void *tmp = skb_put(skb, len);
+
+ memcpy(tmp, data, len);
+
+ return tmp;
+}
+
+static inline void skb_put_u8(struct sk_buff *skb, u8 val)
+{
+ *(u8 *)skb_put(skb, 1) = val;
+}
+#endif
+
#endif /* __BACKPORT_SKBUFF_H */
--
2.11.0
--
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