net/tap: add basic flow API patterns and actions

[dpdk.git] / drivers / net / tap / tap_flow.h

diff --git a/drivers/net/tap/tap_flow.h b/drivers/net/tap/tap_flow.h
index 377a9f7b758a0d2f5f56b2e6f0331a0026b354e4..a05e945df523fc10ed8bcc257506ea379be71e78 100644 (file)
--- a/drivers/net/tap/tap_flow.h
+++ b/drivers/net/tap/tap_flow.h
@@ -37,6 +37,18 @@
 #include <rte_flow.h>
 #include <rte_flow_driver.h>
 
+/**
+ * In TC, priority 0 means we require the kernel to allocate one for us.
+ * In rte_flow, however, we want the priority 0 to be the most important one.
+ * Use an offset to have the most important priority being 1 in TC.
+ */
+#define PRIORITY_OFFSET 1
+#define PRIORITY_MASK (0xfff)
+#define MAX_PRIORITY (PRIORITY_MASK - PRIORITY_OFFSET)
+#define GROUP_MASK (0xf)
+#define GROUP_SHIFT 12
+#define MAX_GROUP GROUP_MASK
+
 int tap_dev_filter_ctrl(struct rte_eth_dev *dev,
                        enum rte_filter_type filter_type,
                        enum rte_filter_op filter_op,