X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_mbuf%2Frte_mbuf.h;h=def2e33571481493bd00c7302bc983a3e75c6060;hb=0781e8a7ac52863e970ec84abd3e1f95720a5105;hp=08717a26be33f2488f6c4527fc37cb222dedd450;hpb=a2cd6480c223c693f5fe9d1c7ce86643111e2224;p=dpdk.git

diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
index 08717a26be..def2e33571 100644
--- a/lib/librte_mbuf/rte_mbuf.h
+++ b/lib/librte_mbuf/rte_mbuf.h
@@ -1624,6 +1624,27 @@ static inline struct rte_mbuf *rte_pktmbuf_lastseg(struct rte_mbuf *m)
  */
 #define rte_pktmbuf_mtod(m, t) rte_pktmbuf_mtod_offset(m, t, 0)
 
+/**
+ * A macro that returns the physical address that points to an offset of the
+ * start of the data in the mbuf
+ *
+ * @param m
+ *   The packet mbuf.
+ * @param o
+ *   The offset into the data to calculate address from.
+ */
+#define rte_pktmbuf_mtophys_offset(m, o) \
+	(phys_addr_t)((m)->buf_physaddr + (m)->data_off + (o))
+
+/**
+ * A macro that returns the physical address that points to the start of the
+ * data in the mbuf
+ *
+ * @param m
+ *   The packet mbuf.
+ */
+#define rte_pktmbuf_mtophys(m) rte_pktmbuf_mtophys_offset(m, 0)
+
 /**
  * A macro that returns the length of the packet.
  *