test mbuf attach

[dpdk.git] / lib / librte_node / node_private.h

diff --git a/lib/librte_node/node_private.h b/lib/librte_node/node_private.h
index f30902a..ab7941c 100644 (file)
--- a/lib/librte_node/node_private.h
+++ b/lib/librte_node/node_private.h
@@ -7,6 +7,7 @@
 
 #include <rte_common.h>
 #include <rte_log.h>
+#include <rte_mbuf.h>
 
 extern int rte_node_logtype;
 #define NODE_LOG(level, node_name, ...)                                        \
@@ -19,4 +20,62 @@ extern int rte_node_logtype;
 #define node_info(node_name, ...) NODE_LOG(INFO, node_name, __VA_ARGS__)
 #define node_dbg(node_name, ...) NODE_LOG(DEBUG, node_name, __VA_ARGS__)
 
+/**
+ *
+ * Node mbuf private data to store next hop, ttl and checksum.
+ */
+struct node_mbuf_priv1 {
+       union {
+               /* IP4 rewrite */
+               struct {
+                       uint16_t nh;
+                       uint16_t ttl;
+                       uint32_t cksum;
+               };
+
+               uint64_t u;
+       };
+};
+
+/**
+ * Node mbuf private area 2.
+ */
+struct node_mbuf_priv2 {
+       uint64_t priv_data;
+} __rte_cache_aligned;
+
+#define NODE_MBUF_PRIV2_SIZE sizeof(struct node_mbuf_priv2)
+
+#define OBJS_PER_CLINE (RTE_CACHE_LINE_SIZE / sizeof(void *))
+
+/**
+ * Get mbuf_priv1 pointer from rte_mbuf.
+ *
+ * @param
+ *   Pointer to the rte_mbuf.
+ *
+ * @return
+ *   Pointer to the mbuf_priv1.
+ */
+static __rte_always_inline struct node_mbuf_priv1 *
+node_mbuf_priv1(struct rte_mbuf *m)
+{
+       return (struct node_mbuf_priv1 *)&m->udata64;
+}
+
+/**
+ * Get mbuf_priv2 pointer from rte_mbuf.
+ *
+ * @param
+ *   Pointer to the rte_mbuf.
+ *
+ * @return
+ *   Pointer to the mbuf_priv2.
+ */
+static __rte_always_inline struct node_mbuf_priv2 *
+node_mbuf_priv2(struct rte_mbuf *m)
+{
+       return (struct node_mbuf_priv2 *)rte_mbuf_to_priv(m);
+}
+
 #endif /* __NODE_PRIVATE_H__ */