X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_mbuf%2Frte_mbuf.h;h=c973e9b6de8eba47a443b93255aeb1cbd1bb486b;hb=99a5744147ea079828a52ee904ea79ba52602c16;hp=08717a26be33f2488f6c4527fc37cb222dedd450;hpb=d9d15a2eab4bfcbbace9f23ba7ab72e453a1b21f;p=dpdk.git

diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
index 08717a26be..c973e9b6de 100644
--- a/lib/librte_mbuf/rte_mbuf.h
+++ b/lib/librte_mbuf/rte_mbuf.h
@@ -728,6 +728,9 @@ typedef uint8_t  MARKER8[0];  /**< generic marker with 1B alignment */
 typedef uint64_t MARKER64[0]; /**< marker that allows us to overwrite 8 bytes
                                * with a single assignment */
 
+/** Opaque rte_mbuf_offload  structure declarations */
+struct rte_mbuf_offload;
+
 /**
  * The generic rte_mbuf, containing a packet mbuf.
  */
@@ -811,7 +814,7 @@ struct rte_mbuf {
 	uint16_t vlan_tci_outer;  /**< Outer VLAN Tag Control Identifier (CPU order) */
 
 	/* second cache line - fields only used in slow path or on TX */
-	MARKER cacheline1 __rte_cache_aligned;
+	MARKER cacheline1 __rte_cache_min_aligned;
 
 	union {
 		void *userdata;   /**< Can be used for external metadata */
@@ -844,6 +847,9 @@ struct rte_mbuf {
 
 	/** Timesync flags for use with IEEE1588. */
 	uint16_t timesync;
+
+	/* Chain of off-load operations to perform on mbuf */
+	struct rte_mbuf_offload *offload_ops;
 } __rte_cache_aligned;
 
 static inline uint16_t rte_pktmbuf_priv_size(struct rte_mempool *mp);
@@ -1624,6 +1630,27 @@ 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.
  *