3 files changed, 14 insertions, 10 deletions

diff --git a/lib/librte_mbuf/rte_mbuf.c b/lib/librte_mbuf/rte_mbuf.c
index 0e3e36a5..26a62b8e 100644
--- a/lib/librte_mbuf/rte_mbuf.c
+++ b/lib/librte_mbuf/rte_mbuf.c
@@ -131,8 +131,7 @@ rte_pktmbuf_init(struct rte_mempool *mp,
 	RTE_ASSERT(mp->elt_size >= mbuf_size);
 	RTE_ASSERT(buf_len <= UINT16_MAX);
 
-	memset(m, 0, mp->elt_size);
-
+	memset(m, 0, mbuf_size);
 	/* start of buffer is after mbuf structure and priv data */
 	m->priv_size = priv_size;
 	m->buf_addr = (char *)m + mbuf_size;
@@ -409,6 +408,7 @@ const char *rte_get_tx_ol_flag_name(uint64_t mask)
 	case PKT_TX_TUNNEL_GRE: return "PKT_TX_TUNNEL_GRE";
 	case PKT_TX_TUNNEL_IPIP: return "PKT_TX_TUNNEL_IPIP";
 	case PKT_TX_TUNNEL_GENEVE: return "PKT_TX_TUNNEL_GENEVE";
+	case PKT_TX_TUNNEL_MPLSINUDP: return "PKT_TX_TUNNEL_MPLSINUDP";
 	case PKT_TX_MACSEC: return "PKT_TX_MACSEC";
 	default: return NULL;
 	}
@@ -440,6 +440,8 @@ rte_get_tx_ol_flag_list(uint64_t mask, char *buf, size_t buflen)
 		  "PKT_TX_TUNNEL_NONE" },
 		{ PKT_TX_TUNNEL_GENEVE, PKT_TX_TUNNEL_MASK,
 		  "PKT_TX_TUNNEL_NONE" },
+		{ PKT_TX_TUNNEL_MPLSINUDP, PKT_TX_TUNNEL_MASK,
+		  "PKT_TX_TUNNEL_NONE" },
 		{ PKT_TX_MACSEC, PKT_TX_MACSEC, NULL },
 	};
 	const char *name;
diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
index 1cb03109..eaed7eee 100644
--- a/lib/librte_mbuf/rte_mbuf.h
+++ b/lib/librte_mbuf/rte_mbuf.h
@@ -208,6 +208,8 @@ extern "C" {
 #define PKT_TX_TUNNEL_GRE     (0x2ULL << 45)
 #define PKT_TX_TUNNEL_IPIP    (0x3ULL << 45)
 #define PKT_TX_TUNNEL_GENEVE  (0x4ULL << 45)
+/**< TX packet with MPLS-in-UDP RFC 7510 header. */
+#define PKT_TX_TUNNEL_MPLSINUDP (0x5ULL << 45)
 /* add new TX TUNNEL type here */
 #define PKT_TX_TUNNEL_MASK    (0xFULL << 45)
 
@@ -840,7 +842,7 @@ static inline struct rte_mbuf *rte_mbuf_raw_alloc(struct rte_mempool *mp)
  * @param m
  *   The mbuf to be freed.
  */
-static inline void __attribute__((always_inline))
+static __rte_always_inline void
 rte_mbuf_raw_free(struct rte_mbuf *m)
 {
 	RTE_ASSERT(RTE_MBUF_DIRECT(m));
@@ -1136,6 +1138,7 @@ static inline struct rte_mbuf *rte_pktmbuf_alloc(struct rte_mempool *mp)
  *    Array size
  *  @return
  *   - 0: Success
+ *   - -ENOENT: Not enough entries in the mempool; no mbufs are retrieved.
  */
 static inline int rte_pktmbuf_alloc_bulk(struct rte_mempool *pool,
 	 struct rte_mbuf **mbufs, unsigned count)
@@ -1287,8 +1290,7 @@ static inline void rte_pktmbuf_detach(struct rte_mbuf *m)
  *   - (m) if it is the last reference. It can be recycled or freed.
  *   - (NULL) if the mbuf still has remaining references on it.
  */
-__attribute__((always_inline))
-static inline struct rte_mbuf *
+static __rte_always_inline struct rte_mbuf *
 rte_pktmbuf_prefree_seg(struct rte_mbuf *m)
 {
 	__rte_mbuf_sanity_check(m, 0);
@@ -1339,7 +1341,7 @@ __rte_pktmbuf_prefree_seg(struct rte_mbuf *m)
  * @param m
  *   The packet mbuf segment to be freed.
  */
-static inline void __attribute__((always_inline))
+static __rte_always_inline void
 rte_pktmbuf_free_seg(struct rte_mbuf *m)
 {
 	m = rte_pktmbuf_prefree_seg(m);
@@ -1453,7 +1455,7 @@ static inline void rte_pktmbuf_refcnt_update(struct rte_mbuf *m, int16_t v)
  */
 static inline uint16_t rte_pktmbuf_headroom(const struct rte_mbuf *m)
 {
-	__rte_mbuf_sanity_check(m, 1);
+	__rte_mbuf_sanity_check(m, 0);
 	return m->data_off;
 }
 
@@ -1467,7 +1469,7 @@ static inline uint16_t rte_pktmbuf_headroom(const struct rte_mbuf *m)
  */
 static inline uint16_t rte_pktmbuf_tailroom(const struct rte_mbuf *m)
 {
-	__rte_mbuf_sanity_check(m, 1);
+	__rte_mbuf_sanity_check(m, 0);
 	return (uint16_t)(m->buf_len - rte_pktmbuf_headroom(m) -
 			  m->data_len);
 }
diff --git a/lib/librte_mbuf/rte_mbuf_ptype.h b/lib/librte_mbuf/rte_mbuf_ptype.h
index a3269c4c..acd70bb6 100644
--- a/lib/librte_mbuf/rte_mbuf_ptype.h
+++ b/lib/librte_mbuf/rte_mbuf_ptype.h
@@ -341,11 +341,11 @@ extern "C" {
  * Packet format:
  * <'ether type'=0x0800
  * | 'version'=4, 'protocol'=17
- * | 'destination port'=4798>
+ * | 'destination port'=4789>
  * or,
  * <'ether type'=0x86DD
  * | 'version'=6, 'next header'=17
- * | 'destination port'=4798>
+ * | 'destination port'=4789>
  */
 #define RTE_PTYPE_TUNNEL_VXLAN              0x00003000
 /**