#endif
#include <rte_malloc.h>
#include <rte_ethdev.h>
+#include <rte_ethdev_pci.h>
#include <rte_pci.h>
#include <rte_common.h>
#include <rte_kvargs.h>
/* 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.
*
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;
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;
* 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,
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;
return 0;
}
-static struct eth_driver mlx5_driver;
+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.
int i;
(void)pci_drv;
- assert(pci_drv == &mlx5_driver.pci_drv);
+ assert(pci_drv == &mlx5_driver);
/* Get mlx5_dev[] index. */
idx = mlx5_dev_idx(&pci_dev->addr);
if (idx == -1) {
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);
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;
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 |
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;
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);
eth_dev->device = &pci_dev->device;
rte_eth_copy_pci_info(eth_dev, pci_dev);
- eth_dev->driver = &mlx5_driver;
+ eth_dev->device->driver = &mlx5_driver.driver;
priv->dev = eth_dev;
eth_dev->dev_ops = &mlx5_dev_ops;
}
};
-static struct eth_driver mlx5_driver = {
- .pci_drv = {
- .driver = {
- .name = MLX5_DRIVER_NAME
- },
- .id_table = mlx5_pci_id_map,
- .probe = mlx5_pci_probe,
- .drv_flags = RTE_PCI_DRV_INTR_LSC,
+static struct rte_pci_driver mlx5_driver = {
+ .driver = {
+ .name = MLX5_DRIVER_NAME
},
- .dev_private_size = sizeof(struct priv)
+ .id_table = mlx5_pci_id_map,
+ .probe = mlx5_pci_probe,
+ .drv_flags = RTE_PCI_DRV_INTR_LSC,
};
/**
*/
setenv("RDMAV_HUGEPAGES_SAFE", "1", 1);
ibv_fork_init();
- rte_eal_pci_register(&mlx5_driver.pci_drv);
+ rte_pci_register(&mlx5_driver);
}
RTE_PMD_EXPORT_NAME(net_mlx5, __COUNTER__);
git.droids-corp.org / dpdk.git / blobdiff