[PATCH v5 06/22] mbuf: add mbuf descriptor accessors

[Tyler Retzlaff]

Provide inline functions to access rearm data and rx descriptor fields
in rte_mbuf struct.

Signed-off-by: Tyler Retzlaff <roretzla at linux.microsoft.com>
---
 lib/mbuf/rte_mbuf.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/lib/mbuf/rte_mbuf.h b/lib/mbuf/rte_mbuf.h
index 04cde0f..7993730 100644
--- a/lib/mbuf/rte_mbuf.h
+++ b/lib/mbuf/rte_mbuf.h
@@ -136,6 +136,26 @@
 #endif
 }
 
+static inline
+uint64_t *
+rte_mbuf_rearm_data(struct rte_mbuf *m)
+{
+	RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, ol_flags) !=
+			 offsetof(struct rte_mbuf, data_off) + 8);
+	RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, rearm_data) !=
+			 RTE_ALIGN(offsetof(struct rte_mbuf,
+					    data_off),
+					    16));
+
+	return (uint64_t *)&m->data_off;
+}
+
+static inline
+void *
+rte_mbuf_rx_descriptor_fields1(struct rte_mbuf *m)
+{
+	return &m->packet_type;
+}
 
 static inline uint16_t rte_pktmbuf_priv_size(struct rte_mempool *mp);
 
-- 
1.8.3.1