aboutsummaryrefslogtreecommitdiffstats
path: root/include/uapi/linux/pkt_cls.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/uapi/linux/pkt_cls.h')
-rw-r--r--include/uapi/linux/pkt_cls.h15
1 files changed, 14 insertions, 1 deletions
diff --git a/include/uapi/linux/pkt_cls.h b/include/uapi/linux/pkt_cls.h
index f1129e383b2a..d613be3b3239 100644
--- a/include/uapi/linux/pkt_cls.h
+++ b/include/uapi/linux/pkt_cls.h
@@ -37,7 +37,20 @@ enum {
#define TC_ACT_QUEUED 5
#define TC_ACT_REPEAT 6
#define TC_ACT_REDIRECT 7
-#define TC_ACT_JUMP 0x10000000
+
+/* There is a special kind of actions called "extended actions",
+ * which need a value parameter. These have a local opcode located in
+ * the highest nibble, starting from 1. The rest of the bits
+ * are used to carry the value. These two parts together make
+ * a combined opcode.
+ */
+#define __TC_ACT_EXT_SHIFT 28
+#define __TC_ACT_EXT(local) ((local) << __TC_ACT_EXT_SHIFT)
+#define TC_ACT_EXT_VAL_MASK ((1 << __TC_ACT_EXT_SHIFT) - 1)
+#define TC_ACT_EXT_CMP(combined, opcode) \
+ (((combined) & (~TC_ACT_EXT_VAL_MASK)) == opcode)
+
+#define TC_ACT_JUMP __TC_ACT_EXT(1)
/* Action type identifiers*/
enum {