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-rw-r--r--src/compat/compat.h24
1 files changed, 20 insertions, 4 deletions
diff --git a/src/compat/compat.h b/src/compat/compat.h
index 4f2acb9..a586b93 100644
--- a/src/compat/compat.h
+++ b/src/compat/compat.h
@@ -7,8 +7,8 @@
#include <linux/version.h>
#include <linux/types.h>
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0)
-#error "WireGuard requires Linux >= 3.14"
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 12, 0)
+#error "WireGuard requires Linux >= 3.12"
#endif
/* These conditionals can't be enforced by an out of tree module very easily,
@@ -41,7 +41,7 @@
#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 19, 0) && LINUX_VERSION_CODE < KERNEL_VERSION(3, 19, 6)) || \
(LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 12) && LINUX_VERSION_CODE > KERNEL_VERSION(3, 17, 0)) || \
(LINUX_VERSION_CODE < KERNEL_VERSION(3, 16, 8) && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)) || \
- (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 40) && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0))
+ LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 40)
#define dev_recursion_level() 0
#endif
@@ -110,7 +110,10 @@ static inline void netif_keep_dst(struct net_device *dev)
}
#endif
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 15, 0)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0)
+#define pcpu_sw_netstats pcpu_tstats
+#define netdev_alloc_pcpu_stats alloc_percpu
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3, 15, 0)
#define netdev_alloc_pcpu_stats(type) \
({ \
typeof(type) __percpu *pcpu_stats = alloc_percpu(type); \
@@ -126,6 +129,19 @@ static inline void netif_keep_dst(struct net_device *dev)
})
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0)
+#include "checksum/checksum_partial_compat.h"
+static inline void *our_pskb_put(struct sk_buff *skb, struct sk_buff *tail, int len)
+{
+ if (tail != skb) {
+ skb->data_len += len;
+ skb->len += len;
+ }
+ return skb_put(tail, len);
+}
+#define pskb_put our_pskb_put
+#endif
+
/* https://lkml.org/lkml/2015/6/12/415 */
#include <linux/netdevice.h>
static inline struct net_device *netdev_pub(void *dev)