[dpdk-dev] [PATCH v3 5/6] net/mlx5: add operations for secondary process
Xueming Li
xuemingl at mellanox.com
Mon Sep 18 16:36:18 CEST 2017
Add operations that are safe for secondary processes:
* (x)stats
* device info get
* rx/tx descriptor status
Signed-off-by: Xueming Li <xuemingl at mellanox.com>
Acked-by: Nelio Laranjeiro <nelio.laranjeiro at 6wind.com>
---
drivers/net/mlx5/mlx5.c | 16 +++++++++++++++-
drivers/net/mlx5/mlx5.h | 1 +
drivers/net/mlx5/mlx5_ethdev.c | 11 +++++------
3 files changed, 21 insertions(+), 7 deletions(-)
diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index e124a14..76e92a5 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -303,6 +303,18 @@ struct mlx5_args {
.rx_queue_intr_disable = mlx5_rx_intr_disable,
};
+
+static const struct eth_dev_ops mlx5_dev_sec_ops = {
+ .stats_get = mlx5_stats_get,
+ .stats_reset = mlx5_stats_reset,
+ .xstats_get = mlx5_xstats_get,
+ .xstats_reset = mlx5_xstats_reset,
+ .xstats_get_names = mlx5_xstats_get_names,
+ .dev_infos_get = mlx5_dev_infos_get,
+ .rx_descriptor_status = mlx5_rx_descriptor_status,
+ .tx_descriptor_status = mlx5_tx_descriptor_status,
+};
+
static struct {
struct rte_pci_addr pci_addr; /* associated PCI address */
uint32_t ports; /* physical ports bitfield. */
@@ -640,7 +652,7 @@ struct mlx5_args {
goto error;
}
eth_dev->device = &pci_dev->device;
- eth_dev->dev_ops = NULL;
+ eth_dev->dev_ops = &mlx5_dev_sec_ops;
priv = eth_dev->data->dev_private;
/* Receive command fd from primary process */
err = priv_socket_connect(priv);
@@ -707,6 +719,8 @@ struct mlx5_args {
}
priv->ctx = ctx;
+ strncpy(priv->ibdev_path, priv->ctx->device->ibdev_path,
+ sizeof(priv->ibdev_path));
priv->device_attr = device_attr;
priv->port = port;
priv->pd = pd;
diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index 1ce02e8..928aeb6 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -91,6 +91,7 @@ struct priv {
struct ibv_context *ctx; /* Verbs context. */
struct ibv_device_attr_ex device_attr; /* Device properties. */
struct ibv_pd *pd; /* Protection Domain. */
+ char ibdev_path[IBV_SYSFS_PATH_MAX]; /* IB device path for secondary */
/*
* MAC addresses array and configuration bit-field.
* An extra entry that cannot be modified by the DPDK is reserved
diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c
index 46c3013..8f3ff89 100644
--- a/drivers/net/mlx5/mlx5_ethdev.c
+++ b/drivers/net/mlx5/mlx5_ethdev.c
@@ -165,7 +165,7 @@ struct priv *
char match[IF_NAMESIZE] = "";
{
- MKSTR(path, "%s/device/net", priv->ctx->device->ibdev_path);
+ MKSTR(path, "%s/device/net", priv->ibdev_path);
dir = opendir(path);
if (dir == NULL)
@@ -183,7 +183,7 @@ struct priv *
continue;
MKSTR(path, "%s/device/net/%s/%s",
- priv->ctx->device->ibdev_path, name,
+ priv->ibdev_path, name,
(dev_type ? "dev_id" : "dev_port"));
file = fopen(path, "rb");
@@ -271,11 +271,11 @@ struct priv *
if (priv_is_ib_cntr(entry)) {
MKSTR(path, "%s/ports/1/hw_counters/%s",
- priv->ctx->device->ibdev_path, entry);
+ priv->ibdev_path, entry);
file = fopen(path, "rb");
} else {
MKSTR(path, "%s/device/net/%s/%s",
- priv->ctx->device->ibdev_path, ifname, entry);
+ priv->ibdev_path, ifname, entry);
file = fopen(path, "rb");
}
if (file == NULL)
@@ -318,8 +318,7 @@ struct priv *
if (priv_get_ifname(priv, &ifname))
return -1;
- MKSTR(path, "%s/device/net/%s/%s", priv->ctx->device->ibdev_path,
- ifname, entry);
+ MKSTR(path, "%s/device/net/%s/%s", priv->ibdev_path, ifname, entry);
file = fopen(path, "wb");
if (file == NULL)
--
1.8.3.1
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