X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_mbuf%2Frte_mbuf.h;h=323a1ac1632c170344b6dec7dd693926777ef54d;hb=97cb466d65c9;hp=1efebec7c5c76345ba3c6b2955d5a7d545198c1c;hpb=8f094a9ac5d7424e460bc85708e99aa255432a87;p=dpdk.git

diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
index 1efebec7c5..323a1ac163 100644
--- a/lib/librte_mbuf/rte_mbuf.h
+++ b/lib/librte_mbuf/rte_mbuf.h
@@ -400,14 +400,13 @@ struct rte_mbuf {
 	void *buf_addr;           /**< Virtual address of segment buffer. */
 	phys_addr_t buf_physaddr; /**< Physical address of segment buffer. */
 
-	uint16_t buf_len;         /**< Length of segment buffer. */
-
-	/* next 6 bytes are initialised on RX descriptor rearm */
-	MARKER8 rearm_data;
+	/* next 8 bytes are initialised on RX descriptor rearm */
+	MARKER64 rearm_data;
 	uint16_t data_off;
 
 	/**
-	 * 16-bit Reference counter.
+	 * Reference counter. Its size should at least equal to the size
+	 * of port field (16 bits), to support zero-copy broadcast.
 	 * It should only be accessed using the following functions:
 	 * rte_mbuf_refcnt_update(), rte_mbuf_refcnt_read(), and
 	 * rte_mbuf_refcnt_set(). The functionality of these functions (atomic,
@@ -419,8 +418,10 @@ struct rte_mbuf {
 		rte_atomic16_t refcnt_atomic; /**< Atomically accessed refcnt */
 		uint16_t refcnt;              /**< Non-atomically accessed refcnt */
 	};
-	uint8_t nb_segs;          /**< Number of segments. */
-	uint8_t port;             /**< Input port. */
+	uint16_t nb_segs;         /**< Number of segments. */
+
+	/** Input port (16 bits to support more than 256 virtual ports). */
+	uint16_t port;
 
 	uint64_t ol_flags;        /**< Offload features. */
 
@@ -481,6 +482,7 @@ struct rte_mbuf {
 	/** Outer VLAN TCI (CPU order), valid if PKT_RX_QINQ_STRIPPED is set. */
 	uint16_t vlan_tci_outer;
 
+	uint16_t buf_len;         /**< Length of segment buffer. */
 	/* second cache line - fields only used in slow path or on TX */
 	MARKER cacheline1 __rte_cache_min_aligned;