X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5.c;h=758df6e24fb27e20261c5d35b3a73db20dbbc545;hb=d10798072c5cb3ed4a7c636a003285120b2f3ce7;hp=630e5e43aafc397909163947a80be790ebc0670c;hpb=99c12dcca65d052fd587d10fa54ddd02913498bd;p=dpdk.git

diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index 630e5e43aa..758df6e24f 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -43,16 +43,16 @@
 /* Verbs header. */
 /* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
 #ifdef PEDANTIC
-#pragma GCC diagnostic ignored "-pedantic"
+#pragma GCC diagnostic ignored "-Wpedantic"
 #endif
 #include <infiniband/verbs.h>
 #ifdef PEDANTIC
-#pragma GCC diagnostic error "-pedantic"
+#pragma GCC diagnostic error "-Wpedantic"
 #endif
 
 /* DPDK headers don't like -pedantic. */
 #ifdef PEDANTIC
-#pragma GCC diagnostic ignored "-pedantic"
+#pragma GCC diagnostic ignored "-Wpedantic"
 #endif
 #include <rte_malloc.h>
 #include <rte_ethdev.h>
@@ -60,7 +60,7 @@
 #include <rte_common.h>
 #include <rte_kvargs.h>
 #ifdef PEDANTIC
-#pragma GCC diagnostic error "-pedantic"
+#pragma GCC diagnostic error "-Wpedantic"
 #endif
 
 #include "mlx5.h"
@@ -72,6 +72,18 @@
 /* Device parameter to enable RX completion queue compression. */
 #define MLX5_RXQ_CQE_COMP_EN "rxq_cqe_comp_en"
 
+/* Device parameter to configure inline send. */
+#define MLX5_TXQ_INLINE "txq_inline"
+
+/*
+ * Device parameter to configure the number of TX queues threshold for
+ * enabling inline send.
+ */
+#define MLX5_TXQS_MIN_INLINE "txqs_min_inline"
+
+/* Device parameter to enable multi-packet send WQEs. */
+#define MLX5_TXQ_MPW_EN "txq_mpw_en"
+
 /**
  * Retrieve integer value from environment variable.
  *
@@ -269,6 +281,12 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
 	}
 	if (strcmp(MLX5_RXQ_CQE_COMP_EN, key) == 0) {
 		priv->cqe_comp = !!tmp;
+	} else if (strcmp(MLX5_TXQ_INLINE, key) == 0) {
+		priv->txq_inline = tmp;
+	} 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;
 	} else {
 		WARN("%s: unknown parameter", key);
 		return -EINVAL;
@@ -292,6 +310,9 @@ mlx5_args(struct priv *priv, struct rte_devargs *devargs)
 {
 	const char **params = (const char *[]){
 		MLX5_RXQ_CQE_COMP_EN,
+		MLX5_TXQ_INLINE,
+		MLX5_TXQS_MIN_INLINE,
+		MLX5_TXQ_MPW_EN,
 		NULL,
 	};
 	struct rte_kvargs *kvlist;
@@ -334,7 +355,7 @@ static struct eth_driver mlx5_driver;
  *   0 on success, negative errno value on failure.
  */
 static int
-mlx5_pci_devinit(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
+mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
 {
 	struct ibv_device **list;
 	struct ibv_device *ibv_dev;
@@ -488,8 +509,9 @@ mlx5_pci_devinit(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
 		priv->port = port;
 		priv->pd = pd;
 		priv->mtu = ETHER_MTU;
+		priv->mps = mps; /* Enable MPW by default if supported. */
 		priv->cqe_comp = 1; /* Enable compression by default. */
-		err = mlx5_args(priv, pci_dev->devargs);
+		err = mlx5_args(priv, pci_dev->device.devargs);
 		if (err) {
 			ERROR("failed to process device arguments: %s",
 			      strerror(err));
@@ -536,7 +558,12 @@ mlx5_pci_devinit(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
 
 		priv_get_num_vfs(priv, &num_vfs);
 		priv->sriov = (num_vfs || sriov);
-		priv->mps = mps;
+		if (priv->mps && !mps) {
+			ERROR("multi-packet send not supported on this device"
+			      " (" MLX5_TXQ_MPW_EN ")");
+			err = ENOTSUP;
+			goto port_error;
+		}
 		/* Allocate and register default RSS hash keys. */
 		priv->rss_conf = rte_calloc(__func__, hash_rxq_init_n,
 					    sizeof((*priv->rss_conf)[0]), 0);
@@ -590,7 +617,7 @@ mlx5_pci_devinit(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
 
 			snprintf(name, sizeof(name), "%s port %u",
 				 ibv_get_device_name(ibv_dev), port);
-			eth_dev = rte_eth_dev_allocate(name, RTE_ETH_DEV_PCI);
+			eth_dev = rte_eth_dev_allocate(name);
 		}
 		if (eth_dev == NULL) {
 			ERROR("can not allocate rte ethdev");
@@ -701,9 +728,11 @@ static const struct rte_pci_id mlx5_pci_id_map[] = {
 
 static struct eth_driver mlx5_driver = {
 	.pci_drv = {
-		.name = MLX5_DRIVER_NAME,
+		.driver = {
+			.name = MLX5_DRIVER_NAME
+		},
 		.id_table = mlx5_pci_id_map,
-		.devinit = mlx5_pci_devinit,
+		.probe = mlx5_pci_probe,
 		.drv_flags = RTE_PCI_DRV_INTR_LSC,
 	},
 	.dev_private_size = sizeof(struct priv)
@@ -712,11 +741,10 @@ static struct eth_driver mlx5_driver = {
 /**
  * Driver initialization routine.
  */
-static int
-rte_mlx5_pmd_init(const char *name, const char *args)
+RTE_INIT(rte_mlx5_pmd_init);
+static void
+rte_mlx5_pmd_init(void)
 {
-	(void)name;
-	(void)args;
 	/*
 	 * RDMAV_HUGEPAGES_SAFE tells ibv_fork_init() we intend to use
 	 * huge pages. Calling ibv_fork_init() during init allows
@@ -726,13 +754,7 @@ rte_mlx5_pmd_init(const char *name, const char *args)
 	setenv("RDMAV_HUGEPAGES_SAFE", "1", 1);
 	ibv_fork_init();
 	rte_eal_pci_register(&mlx5_driver.pci_drv);
-	return 0;
 }
 
-static struct rte_driver rte_mlx5_driver = {
-	.type = PMD_PDEV,
-	.name = MLX5_DRIVER_NAME,
-	.init = rte_mlx5_pmd_init,
-};
-
-PMD_REGISTER_DRIVER(rte_mlx5_driver)
+DRIVER_EXPORT_NAME(net_mlx5, __COUNTER__);
+DRIVER_REGISTER_PCI_TABLE(net_mlx5, mlx5_pci_id_map);