New upstream version 17.11~rc4

Change-Id: I5cc288310eaa28cb8c2e475afce5e19f8c08ba1e
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

5 files changed, 32 insertions, 12 deletions

diff --git a/drivers/net/mlx4/mlx4_ethdev.c b/drivers/net/mlx4/mlx4_ethdev.c
index c2ea4db1..2f69e7d4 100644
--- a/drivers/net/mlx4/mlx4_ethdev.c
+++ b/drivers/net/mlx4/mlx4_ethdev.c
@@ -1036,12 +1036,27 @@ mlx4_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 		RTE_PTYPE_L4_FRAG,
 		RTE_PTYPE_L4_TCP,
 		RTE_PTYPE_L4_UDP,
+		RTE_PTYPE_UNKNOWN
+	};
+	static const uint32_t ptypes_l2tun[] = {
+		/* refers to rxq_cq_to_pkt_type() */
+		RTE_PTYPE_L2_ETHER,
+		RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
+		RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
+		RTE_PTYPE_L4_FRAG,
+		RTE_PTYPE_L4_TCP,
+		RTE_PTYPE_L4_UDP,
 		RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN,
 		RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN,
 		RTE_PTYPE_UNKNOWN
 	};
+	struct priv *priv = dev->data->dev_private;
 
-	if (dev->rx_pkt_burst == mlx4_rx_burst)
-		return ptypes;
+	if (dev->rx_pkt_burst == mlx4_rx_burst) {
+		if (priv->hw_csum_l2tun)
+			return ptypes_l2tun;
+		else
+			return ptypes;
+	}
 	return NULL;
 }
diff --git a/drivers/net/mlx4/mlx4_intr.c b/drivers/net/mlx4/mlx4_intr.c
index b17d109a..50d19769 100644
--- a/drivers/net/mlx4/mlx4_intr.c
+++ b/drivers/net/mlx4/mlx4_intr.c
@@ -98,7 +98,7 @@ mlx4_rx_intr_vec_enable(struct priv *priv)
 	struct rte_intr_handle *intr_handle = &priv->intr_handle;
 
 	mlx4_rx_intr_vec_disable(priv);
-	intr_handle->intr_vec = malloc(sizeof(intr_handle->intr_vec[rxqs_n]));
+	intr_handle->intr_vec = malloc(n * sizeof(intr_handle->intr_vec[0]));
 	if (intr_handle->intr_vec == NULL) {
 		rte_errno = ENOMEM;
 		ERROR("failed to allocate memory for interrupt vector,"
diff --git a/drivers/net/mlx4/mlx4_rxq.c b/drivers/net/mlx4/mlx4_rxq.c
index 8b97a894..53313c56 100644
--- a/drivers/net/mlx4/mlx4_rxq.c
+++ b/drivers/net/mlx4/mlx4_rxq.c
@@ -750,6 +750,7 @@ mlx4_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
 			 dev->data->dev_conf.rxmode.hw_ip_checksum),
 		.csum_l2tun = (priv->hw_csum_l2tun &&
 			       dev->data->dev_conf.rxmode.hw_ip_checksum),
+		.l2tun_offload = priv->hw_csum_l2tun,
 		.stats = {
 			.idx = idx,
 		},
diff --git a/drivers/net/mlx4/mlx4_rxtx.c b/drivers/net/mlx4/mlx4_rxtx.c
index 3985e06d..2bfa8b1b 100644
--- a/drivers/net/mlx4/mlx4_rxtx.c
+++ b/drivers/net/mlx4/mlx4_rxtx.c
@@ -336,6 +336,7 @@ mlx4_txq_complete(struct txq *txq, const unsigned int elts_n,
 {
 	unsigned int elts_comp = txq->elts_comp;
 	unsigned int elts_tail = txq->elts_tail;
+	unsigned int sq_tail = sq->tail;
 	struct mlx4_cq *cq = &txq->mcq;
 	volatile struct mlx4_cqe *cqe;
 	uint32_t cons_index = cq->cons_index;
@@ -372,13 +373,13 @@ mlx4_txq_complete(struct txq *txq, const unsigned int elts_n,
 			rte_be_to_cpu_16(cqe->wqe_index) & sq->txbb_cnt_mask;
 		do {
 			/* Free next descriptor. */
-			nr_txbbs +=
+			sq_tail += nr_txbbs;
+			nr_txbbs =
 				mlx4_txq_stamp_freed_wqe(sq,
-				     (sq->tail + nr_txbbs) & sq->txbb_cnt_mask,
-				     !!((sq->tail + nr_txbbs) & sq->txbb_cnt));
+				     sq_tail & sq->txbb_cnt_mask,
+				     !!(sq_tail & sq->txbb_cnt));
 			pkts++;
-		} while (((sq->tail + nr_txbbs) & sq->txbb_cnt_mask) !=
-			 new_index);
+		} while ((sq_tail & sq->txbb_cnt_mask) != new_index);
 		cons_index++;
 	} while (1);
 	if (unlikely(pkts == 0))
@@ -386,7 +387,7 @@ mlx4_txq_complete(struct txq *txq, const unsigned int elts_n,
 	/* Update CQ. */
 	cq->cons_index = cons_index;
 	*cq->set_ci_db = rte_cpu_to_be_32(cq->cons_index & MLX4_CQ_DB_CI_MASK);
-	sq->tail = sq->tail + nr_txbbs;
+	sq->tail = sq_tail + nr_txbbs;
 	/* Update the list of packets posted for transmission. */
 	elts_comp -= pkts;
 	assert(elts_comp <= txq->elts_comp);
@@ -751,7 +752,8 @@ mlx4_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
  *   Packet type for struct rte_mbuf.
  */
 static inline uint32_t
-rxq_cq_to_pkt_type(volatile struct mlx4_cqe *cqe)
+rxq_cq_to_pkt_type(volatile struct mlx4_cqe *cqe,
+		   uint32_t l2tun_offload)
 {
 	uint8_t idx = 0;
 	uint32_t pinfo = rte_be_to_cpu_32(cqe->vlan_my_qpn);
@@ -762,7 +764,7 @@ rxq_cq_to_pkt_type(volatile struct mlx4_cqe *cqe)
 	 *  bit[7] - MLX4_CQE_L2_TUNNEL
 	 *  bit[6] - MLX4_CQE_L2_TUNNEL_IPV4
 	 */
-	if (!(pinfo & MLX4_CQE_L2_VLAN_MASK) && (pinfo & MLX4_CQE_L2_TUNNEL))
+	if (l2tun_offload && (pinfo & MLX4_CQE_L2_TUNNEL))
 		idx |= ((pinfo & MLX4_CQE_L2_TUNNEL) >> 20) |
 		       ((pinfo & MLX4_CQE_L2_TUNNEL_IPV4) >> 19);
 	/*
@@ -960,7 +962,8 @@ mlx4_rx_burst(void *dpdk_rxq, struct rte_mbuf **pkts, uint16_t pkts_n)
 			}
 			pkt = seg;
 			/* Update packet information. */
-			pkt->packet_type = rxq_cq_to_pkt_type(cqe);
+			pkt->packet_type =
+				rxq_cq_to_pkt_type(cqe, rxq->l2tun_offload);
 			pkt->ol_flags = 0;
 			pkt->pkt_len = len;
 			if (rxq->csum | rxq->csum_l2tun) {
diff --git a/drivers/net/mlx4/mlx4_rxtx.h b/drivers/net/mlx4/mlx4_rxtx.h
index 4acad801..463df2b0 100644
--- a/drivers/net/mlx4/mlx4_rxtx.h
+++ b/drivers/net/mlx4/mlx4_rxtx.h
@@ -80,6 +80,7 @@ struct rxq {
 	volatile uint32_t *rq_db; /**< RQ doorbell record. */
 	uint32_t csum:1; /**< Enable checksum offloading. */
 	uint32_t csum_l2tun:1; /**< Same for L2 tunnels. */
+	uint32_t l2tun_offload:1; /**< L2 tunnel offload is enabled. */
 	struct mlx4_cq mcq;  /**< Info for directly manipulating the CQ. */
 	struct mlx4_rxq_stats stats; /**< Rx queue counters. */
 	unsigned int socket; /**< CPU socket ID for allocations. */