fishHEADmaster

1 files changed, 32 insertions, 0 deletions

diff --git a/backport-include/linux/if.h b/backport-include/linux/if.h
new file mode 100644
index 0000000..7926082
--- /dev/null
+++ b/backport-include/linux/if.h
@@ -0,0 +1,32 @@
+#ifndef _BACKPORT_LINUX_IF_H
+#define _BACKPORT_LINUX_IF_H
+#include_next <linux/if.h>
+#include <linux/version.h>
+
+/* mask IFF_DONT_BRIDGE as RHEL6 backports this */
+#if !defined(IFF_DONT_BRIDGE)
+#define IFF_DONT_BRIDGE 0x800		/* disallow bridging this ether dev */
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36))
+#define br_port_exists(dev)	(dev->br_port)
+#else
+/*
+ * This is not part of The 2.6.37 kernel yet but we
+ * we use it to optimize the backport code we
+ * need to implement. Instead of using ifdefs
+ * to check what version of the check we use
+ * we just replace all checks on current code
+ * with this. I'll submit this upstream too, that
+ * way all we'd have to do is to implement this
+ * for older kernels, then we would not have to
+ * edit the upstrema code for backport efforts.
+ */
+#define br_port_exists(dev)	(dev->priv_flags & IFF_BRIDGE_PORT)
+#endif
+
+#ifndef  IFF_TX_SKB_SHARING
+#define IFF_TX_SKB_SHARING	0x10000
+#endif
+
+#endif	/* _BACKPORT_LINUX_IF_H */