X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5.c;h=b7eb9b56adda60039f85d986da8575ff82b53833;hb=adce1f86f8d25fc10e9ac32fd59fa0bedce608ad;hp=c258e439793603fa8d5953c7b0253ff7746321a1;hpb=3f13f8c23a7cc218cf8f80be270b4c9670f3314f;p=dpdk.git

diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index c258e43979..b7eb9b56ad 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -84,6 +84,12 @@
 /* Device parameter to enable multi-packet send WQEs. */
 #define MLX5_TXQ_MPW_EN "txq_mpw_en"
 
+/* Device parameter to include 2 dsegs in the title WQEBB. */
+#define MLX5_TXQ_MPW_HDR_DSEG_EN "txq_mpw_hdr_dseg_en"
+
+/* Device parameter to limit the size of inlining packet. */
+#define MLX5_TXQ_MAX_INLINE_LEN "txq_max_inline_len"
+
 /* Device parameter to enable hardware TSO offload. */
 #define MLX5_TSO "tso"
 
@@ -227,6 +233,8 @@ static const struct eth_dev_ops mlx5_dev_ops = {
 	.filter_ctrl = mlx5_dev_filter_ctrl,
 	.rx_descriptor_status = mlx5_rx_descriptor_status,
 	.tx_descriptor_status = mlx5_tx_descriptor_status,
+	.rx_queue_intr_enable = mlx5_rx_intr_enable,
+	.rx_queue_intr_disable = mlx5_rx_intr_disable,
 };
 
 static struct {
@@ -294,7 +302,11 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
 	} else if (strcmp(MLX5_TXQS_MIN_INLINE, key) == 0) {
 		priv->txqs_inline = tmp;
 	} else if (strcmp(MLX5_TXQ_MPW_EN, key) == 0) {
-		priv->mps &= !!tmp; /* Enable MPW only if HW supports */
+		priv->mps = !!tmp ? priv->mps : MLX5_MPW_DISABLED;
+	} else if (strcmp(MLX5_TXQ_MPW_HDR_DSEG_EN, key) == 0) {
+		priv->mpw_hdr_dseg = !!tmp;
+	} else if (strcmp(MLX5_TXQ_MAX_INLINE_LEN, key) == 0) {
+		priv->inline_max_packet_sz = tmp;
 	} else if (strcmp(MLX5_TSO, key) == 0) {
 		priv->tso = !!tmp;
 	} else {
@@ -323,6 +335,8 @@ mlx5_args(struct priv *priv, struct rte_devargs *devargs)
 		MLX5_TXQ_INLINE,
 		MLX5_TXQS_MIN_INLINE,
 		MLX5_TXQ_MPW_EN,
+		MLX5_TXQ_MPW_HDR_DSEG_EN,
+		MLX5_TXQ_MAX_INLINE_LEN,
 		MLX5_TSO,
 		NULL,
 	};
@@ -377,6 +391,7 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
 	struct ibv_device_attr device_attr;
 	unsigned int sriov;
 	unsigned int mps;
+	unsigned int tunnel_en;
 	int idx;
 	int i;
 
@@ -395,10 +410,8 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
 	list = ibv_get_device_list(&i);
 	if (list == NULL) {
 		assert(errno);
-		if (errno == ENOSYS) {
-			WARN("cannot list devices, is ib_uverbs loaded?");
-			return 0;
-		}
+		if (errno == ENOSYS)
+			ERROR("cannot list devices, is ib_uverbs loaded?");
 		return -errno;
 	}
 	assert(i >= 0);
@@ -431,21 +444,29 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
 		 * as all ConnectX-5 devices.
 		 */
 		switch (pci_dev->id.device_id) {
+		case PCI_DEVICE_ID_MELLANOX_CONNECTX4:
+			tunnel_en = 1;
+			mps = MLX5_MPW_DISABLED;
+			break;
 		case PCI_DEVICE_ID_MELLANOX_CONNECTX4LX:
+			mps = MLX5_MPW;
+			break;
 		case PCI_DEVICE_ID_MELLANOX_CONNECTX5:
 		case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
 		case PCI_DEVICE_ID_MELLANOX_CONNECTX5EX:
 		case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
-			mps = 1;
+			tunnel_en = 1;
+			mps = MLX5_MPW_ENHANCED;
 			break;
 		default:
-			mps = 0;
+			mps = MLX5_MPW_DISABLED;
 		}
 		INFO("PCI information matches, using device \"%s\""
-		     " (SR-IOV: %s, MPS: %s)",
+		     " (SR-IOV: %s, %sMPS: %s)",
 		     list[i]->name,
 		     sriov ? "true" : "false",
-		     mps ? "true" : "false");
+		     mps == MLX5_MPW_ENHANCED ? "Enhanced " : "",
+		     mps != MLX5_MPW_DISABLED ? "true" : "false");
 		attr_ctx = ibv_open_device(list[i]);
 		err = errno;
 		break;
@@ -454,11 +475,11 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
 		ibv_free_device_list(list);
 		switch (err) {
 		case 0:
-			WARN("cannot access device, is mlx5_ib loaded?");
-			return 0;
+			ERROR("cannot access device, is mlx5_ib loaded?");
+			return -ENODEV;
 		case EINVAL:
-			WARN("cannot use device, are drivers up to date?");
-			return 0;
+			ERROR("cannot use device, are drivers up to date?");
+			return -EINVAL;
 		}
 		assert(err > 0);
 		return -err;
@@ -540,7 +561,15 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
 		priv->pd = pd;
 		priv->mtu = ETHER_MTU;
 		priv->mps = mps; /* Enable MPW by default if supported. */
+		/* Set default values for Enhanced MPW, a.k.a MPWv2. */
+		if (mps == MLX5_MPW_ENHANCED) {
+			priv->mpw_hdr_dseg = 0;
+			priv->txqs_inline = MLX5_EMPW_MIN_TXQS;
+			priv->inline_max_packet_sz = MLX5_EMPW_MAX_INLINE_LEN;
+			priv->txq_inline = MLX5_WQE_SIZE_MAX - MLX5_WQE_SIZE;
+		}
 		priv->cqe_comp = 1; /* Enable compression by default. */
+		priv->tunnel_en = tunnel_en;
 		err = mlx5_args(priv, pci_dev->device.devargs);
 		if (err) {
 			ERROR("failed to process device arguments: %s",
@@ -606,6 +635,9 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
 			      "with TSO. MPS disabled");
 			priv->mps = 0;
 		}
+		INFO("%sMPS is %s",
+		     priv->mps == MLX5_MPW_ENHANCED ? "Enhanced " : "",
+		     priv->mps != MLX5_MPW_DISABLED ? "enabled" : "disabled");
 		/* Allocate and register default RSS hash keys. */
 		priv->rss_conf = rte_calloc(__func__, hash_rxq_init_n,
 					    sizeof((*priv->rss_conf)[0]), 0);