pci: remove eal prefix
[dpdk.git] / drivers / net / mlx5 / mlx5.c
index 6de4e4c..fc99c0d 100644 (file)
 /* Device parameter to enable hardware TSO offload. */
 #define MLX5_TSO "tso"
 
+/* Default PMD specific parameter value. */
+#define MLX5_ARG_UNSET (-1)
+
+struct mlx5_args {
+       int cqe_comp;
+       int txq_inline;
+       int txqs_inline;
+       int mps;
+       int mpw_hdr_dseg;
+       int inline_max_packet_sz;
+       int tso;
+};
 /**
  * Retrieve integer value from environment variable.
  *
@@ -287,7 +299,7 @@ mlx5_dev_idx(struct rte_pci_addr *pci_addr)
 static int
 mlx5_args_check(const char *key, const char *val, void *opaque)
 {
-       struct priv *priv = opaque;
+       struct mlx5_args *args = opaque;
        unsigned long tmp;
 
        errno = 0;
@@ -297,19 +309,19 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
                return errno;
        }
        if (strcmp(MLX5_RXQ_CQE_COMP_EN, key) == 0) {
-               priv->cqe_comp = !!tmp;
+               args->cqe_comp = !!tmp;
        } else if (strcmp(MLX5_TXQ_INLINE, key) == 0) {
-               priv->txq_inline = tmp;
+               args->txq_inline = tmp;
        } else if (strcmp(MLX5_TXQS_MIN_INLINE, key) == 0) {
-               priv->txqs_inline = tmp;
+               args->txqs_inline = tmp;
        } else if (strcmp(MLX5_TXQ_MPW_EN, key) == 0) {
-               priv->mps = !!tmp ? priv->mps : MLX5_MPW_DISABLED;
+               args->mps = !!tmp;
        } else if (strcmp(MLX5_TXQ_MPW_HDR_DSEG_EN, key) == 0) {
-               priv->mpw_hdr_dseg = !!tmp;
+               args->mpw_hdr_dseg = !!tmp;
        } else if (strcmp(MLX5_TXQ_MAX_INLINE_LEN, key) == 0) {
-               priv->inline_max_packet_sz = tmp;
+               args->inline_max_packet_sz = tmp;
        } else if (strcmp(MLX5_TSO, key) == 0) {
-               priv->tso = !!tmp;
+               args->tso = !!tmp;
        } else {
                WARN("%s: unknown parameter", key);
                return -EINVAL;
@@ -329,7 +341,7 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
  *   0 on success, errno value on failure.
  */
 static int
-mlx5_args(struct priv *priv, struct rte_devargs *devargs)
+mlx5_args(struct mlx5_args *args, struct rte_devargs *devargs)
 {
        const char **params = (const char *[]){
                MLX5_RXQ_CQE_COMP_EN,
@@ -355,7 +367,7 @@ mlx5_args(struct priv *priv, struct rte_devargs *devargs)
        for (i = 0; (params[i] != NULL); ++i) {
                if (rte_kvargs_count(kvlist, params[i])) {
                        ret = rte_kvargs_process(kvlist, params[i],
-                                                mlx5_args_check, priv);
+                                                mlx5_args_check, args);
                        if (ret != 0) {
                                rte_kvargs_free(kvlist);
                                return ret;
@@ -368,6 +380,34 @@ mlx5_args(struct priv *priv, struct rte_devargs *devargs)
 
 static struct rte_pci_driver mlx5_driver;
 
+/**
+ * Assign parameters from args into priv, only non default
+ * values are considered.
+ *
+ * @param[out] priv
+ *   Pointer to private structure.
+ * @param[in] args
+ *   Pointer to args values.
+ */
+static void
+mlx5_args_assign(struct priv *priv, struct mlx5_args *args)
+{
+       if (args->cqe_comp != MLX5_ARG_UNSET)
+               priv->cqe_comp = args->cqe_comp;
+       if (args->txq_inline != MLX5_ARG_UNSET)
+               priv->txq_inline = args->txq_inline;
+       if (args->txqs_inline != MLX5_ARG_UNSET)
+               priv->txqs_inline = args->txqs_inline;
+       if (args->mps != MLX5_ARG_UNSET)
+               priv->mps = args->mps ? priv->mps : 0;
+       if (args->mpw_hdr_dseg != MLX5_ARG_UNSET)
+               priv->mpw_hdr_dseg = args->mpw_hdr_dseg;
+       if (args->inline_max_packet_sz != MLX5_ARG_UNSET)
+               priv->inline_max_packet_sz = args->inline_max_packet_sz;
+       if (args->tso != MLX5_ARG_UNSET)
+               priv->tso = args->tso;
+}
+
 /**
  * DPDK callback to register a PCI device.
  *
@@ -503,6 +543,15 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
                struct ibv_exp_device_attr exp_device_attr;
                struct ether_addr mac;
                uint16_t num_vfs = 0;
+               struct mlx5_args args = {
+                       .cqe_comp = MLX5_ARG_UNSET,
+                       .txq_inline = MLX5_ARG_UNSET,
+                       .txqs_inline = MLX5_ARG_UNSET,
+                       .mps = MLX5_ARG_UNSET,
+                       .mpw_hdr_dseg = MLX5_ARG_UNSET,
+                       .inline_max_packet_sz = MLX5_ARG_UNSET,
+                       .tso = MLX5_ARG_UNSET,
+               };
 
                exp_device_attr.comp_mask =
                        IBV_EXP_DEVICE_ATTR_EXP_CAP_FLAGS |
@@ -562,21 +611,15 @@ 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);
+               err = mlx5_args(&args, pci_dev->device.devargs);
                if (err) {
                        ERROR("failed to process device arguments: %s",
                              strerror(err));
                        goto port_error;
                }
+               mlx5_args_assign(priv, &args);
                if (ibv_exp_query_device(ctx, &exp_device_attr)) {
                        ERROR("ibv_exp_query_device() failed");
                        goto port_error;
@@ -639,6 +682,17 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
                INFO("%sMPS is %s",
                     priv->mps == MLX5_MPW_ENHANCED ? "Enhanced " : "",
                     priv->mps != MLX5_MPW_DISABLED ? "enabled" : "disabled");
+               /* Set default values for Enhanced MPW, a.k.a MPWv2. */
+               if (priv->mps == MLX5_MPW_ENHANCED) {
+                       if (args.txqs_inline == MLX5_ARG_UNSET)
+                               priv->txqs_inline = MLX5_EMPW_MIN_TXQS;
+                       if (args.inline_max_packet_sz == MLX5_ARG_UNSET)
+                               priv->inline_max_packet_sz =
+                                       MLX5_EMPW_MAX_INLINE_LEN;
+                       if (args.txq_inline == MLX5_ARG_UNSET)
+                               priv->txq_inline = MLX5_WQE_SIZE_MAX -
+                                                  MLX5_WQE_SIZE;
+               }
                /* Allocate and register default RSS hash keys. */
                priv->rss_conf = rte_calloc(__func__, hash_rxq_init_n,
                                            sizeof((*priv->rss_conf)[0]), 0);
@@ -838,7 +892,7 @@ rte_mlx5_pmd_init(void)
         */
        setenv("RDMAV_HUGEPAGES_SAFE", "1", 1);
        ibv_fork_init();
-       rte_eal_pci_register(&mlx5_driver);
+       rte_pci_register(&mlx5_driver);
 }
 
 RTE_PMD_EXPORT_NAME(net_mlx5, __COUNTER__);