* [PATCH 08/19] net/xsc: create eth devices for representor ports
@ 2024-09-06 12:13 WanRenyong
0 siblings, 0 replies; only message in thread
From: WanRenyong @ 2024-09-06 12:13 UTC (permalink / raw)
To: dev; +Cc: ferruh.yigit, nana, WanRenyong
Each representor port is a rte ethernet device.
Signed-off-by: WanRenyong <wanry@yunsilicon.com>
---
drivers/net/xsc/xsc_ethdev.c | 87 ++++++++++++++++++++++++++++++++++++
drivers/net/xsc/xsc_ethdev.h | 1 +
2 files changed, 88 insertions(+)
diff --git a/drivers/net/xsc/xsc_ethdev.c b/drivers/net/xsc/xsc_ethdev.c
index 6a33cbb2cd..d6efc3c9a0 100644
--- a/drivers/net/xsc/xsc_ethdev.c
+++ b/drivers/net/xsc/xsc_ethdev.c
@@ -9,6 +9,83 @@
#include "xsc_dev.h"
#include "xsc_ethdev.h"
+static int
+xsc_ethdev_init_one_representor(struct rte_eth_dev *eth_dev, void *init_params)
+{
+ struct xsc_repr_port *repr_port = (struct xsc_repr_port *)init_params;
+ struct xsc_ethdev_priv *priv = TO_XSC_ETHDEV_PRIV(eth_dev);
+
+ priv->repr_port = repr_port;
+ repr_port->drv_data = eth_dev;
+
+ return 0;
+}
+
+static int
+xsc_ethdev_init_representors(struct rte_eth_dev *eth_dev)
+{
+ struct xsc_ethdev_priv *priv = TO_XSC_ETHDEV_PRIV(eth_dev);
+ struct rte_eth_devargs eth_da = { .nb_representor_ports = 0 };
+ struct rte_device *dev;
+ struct xsc_dev *xdev;
+ struct xsc_repr_port *repr_port;
+ char name[RTE_ETH_NAME_MAX_LEN];
+ int i;
+ int ret;
+
+ PMD_INIT_FUNC_TRACE();
+
+ dev = &priv->pci_dev->device;
+ if (dev->devargs != NULL) {
+ ret = rte_eth_devargs_parse(dev->devargs->args, ð_da, 1);
+ if (ret < 0) {
+ PMD_DRV_LOG(ERR, "Failed to parse device arguments: %s",
+ dev->devargs->args);
+ return -EINVAL;
+ }
+ }
+
+ xdev = priv->xdev;
+ ret = xsc_repr_ports_probe(xdev, eth_da.nb_representor_ports, RTE_MAX_ETHPORTS);
+ if (ret != 0) {
+ PMD_DRV_LOG(ERR, "Failed to probe %d xsc device representors",
+ eth_da.nb_representor_ports);
+ return ret;
+ }
+
+ repr_port = &xdev->repr_ports[XSC_DEV_REPR_PORT];
+ ret = xsc_ethdev_init_one_representor(eth_dev, repr_port);
+ if (ret != 0) {
+ PMD_DRV_LOG(ERR, "Failed to init backing representor");
+ return ret;
+ }
+
+ for (i = 1; i < xdev->num_repr_ports; i++) {
+ repr_port = &xdev->repr_ports[i];
+ snprintf(name, sizeof(name), "%s_rep_%d",
+ xdev->ibv_name, repr_port->info.repr_id);
+ ret = rte_eth_dev_create(&xdev->pci_dev->device,
+ name,
+ sizeof(struct xsc_ethdev_priv),
+ NULL, NULL,
+ xsc_ethdev_init_one_representor,
+ repr_port);
+ if (ret != 0) {
+ PMD_DRV_LOG(ERR, "Failed to create representor: %d", i);
+ goto destroy_reprs;
+ }
+ }
+
+ return 0;
+
+destroy_reprs:
+ while ((i--) > 1) {
+ repr_port = &xdev->repr_ports[i];
+ rte_eth_dev_destroy((struct rte_eth_dev *)repr_port->drv_data, NULL);
+ }
+ return ret;
+}
+
static int
xsc_ethdev_init(struct rte_eth_dev *eth_dev)
{
@@ -26,7 +103,17 @@ xsc_ethdev_init(struct rte_eth_dev *eth_dev)
return ret;
}
+ ret = xsc_ethdev_init_representors(eth_dev);
+ if (ret != 0) {
+ PMD_DRV_LOG(ERR, "Failed to initialize representors");
+ goto uninit_xsc_dev;
+ }
+
return 0;
+
+uninit_xsc_dev:
+ xsc_dev_uninit(priv->xdev);
+ return ret;
}
static int
diff --git a/drivers/net/xsc/xsc_ethdev.h b/drivers/net/xsc/xsc_ethdev.h
index 22fc462e25..a05a63193c 100644
--- a/drivers/net/xsc/xsc_ethdev.h
+++ b/drivers/net/xsc/xsc_ethdev.h
@@ -9,6 +9,7 @@ struct xsc_ethdev_priv {
struct rte_eth_dev *eth_dev;
struct rte_pci_device *pci_dev;
struct xsc_dev *xdev;
+ struct xsc_repr_port *repr_port;
};
#define TO_XSC_ETHDEV_PRIV(dev) \
--
2.25.1
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