[4/4] ethdev: support representor id for iterating ports
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Commit Message
The representor id is added in rte_eth_dev_data in order to be able
to match a port with its representor id in devargs.
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
---
drivers/net/i40e/i40e_vf_representor.c | 1 +
drivers/net/ixgbe/ixgbe_vf_representor.c | 1 +
drivers/net/mlx5/mlx5.c | 4 ++-
lib/librte_ethdev/rte_class_eth.c | 44 ++++++++++++++++++++++++
lib/librte_ethdev/rte_ethdev_core.h | 2 ++
5 files changed, 51 insertions(+), 1 deletion(-)
Comments
On 10/9/18 5:18 AM, Thomas Monjalon wrote:
> The representor id is added in rte_eth_dev_data in order to be able
> to match a port with its representor id in devargs.
>
> Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Reviewed-by: Andrew Rybchenko <arybchenko@solarflare.com>
@@ -504,6 +504,7 @@ i40e_vf_representor_init(struct rte_eth_dev *ethdev, void *init_params)
}
ethdev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
+ ethdev->data->representor_id = representor->vf_id;
/* Setting the number queues allocated to the VF */
ethdev->data->nb_rx_queues = vf->vsi->nb_qps;
@@ -192,6 +192,7 @@ ixgbe_vf_representor_init(struct rte_eth_dev *ethdev, void *init_params)
return -ENODEV;
ethdev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
+ ethdev->data->representor_id = representor->vf_id;
/* Set representor device ops */
ethdev->dev_ops = &ixgbe_vf_representor_dev_ops;
@@ -1075,8 +1075,10 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
err = ENOMEM;
goto error;
}
- if (priv->representor)
+ if (priv->representor) {
eth_dev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
+ eth_dev->data->representor_id = priv->representor_id;
+ }
eth_dev->data->dev_private = priv;
priv->dev_data = eth_dev->data;
eth_dev->data->mac_addrs = priv->mac;
@@ -12,13 +12,16 @@
#include "rte_ethdev.h"
#include "rte_ethdev_core.h"
+#include "rte_ethdev_driver.h"
#include "ethdev_private.h"
enum eth_params {
+ RTE_ETH_PARAM_REPRESENTOR,
RTE_ETH_PARAM_MAX,
};
static const char * const eth_params_keys[] = {
+ [RTE_ETH_PARAM_REPRESENTOR] = "representor",
[RTE_ETH_PARAM_MAX] = NULL,
};
@@ -33,10 +36,44 @@ struct eth_dev_match_arg {
.kvlist = (k), \
})
+static int
+eth_representor_cmp(const char *key __rte_unused,
+ const char *value, void *opaque)
+{
+ int ret;
+ char *values;
+ const struct rte_eth_dev_data *data = opaque;
+ struct rte_eth_devargs representors;
+ int index;
+
+ if ((data->dev_flags & RTE_ETH_DEV_REPRESENTOR) == 0)
+ return -1; /* not a representor port */
+
+ /* Parse devargs representor values. */
+ values = strdup(value);
+ if (values == NULL)
+ return -1;
+ memset(&representors, 0, sizeof(representors));
+ ret = rte_eth_devargs_parse_list(values,
+ rte_eth_devargs_parse_representor_ports,
+ &representors);
+ free(values);
+ if (ret != 0)
+ return -1; /* invalid devargs value */
+
+ /* Return 0 if representor id is matching one of the values. */
+ for (index = 0; index < representors.nb_representor_ports; index++)
+ if (data->representor_id ==
+ representors.representor_ports[index])
+ return 0;
+ return -1; /* no match */
+}
+
static int
eth_dev_match(const struct rte_eth_dev *edev,
const void *_arg)
{
+ int ret;
const struct eth_dev_match_arg *arg = _arg;
const struct rte_kvargs *kvlist = arg->kvlist;
@@ -47,6 +84,13 @@ eth_dev_match(const struct rte_eth_dev *edev,
if (kvlist == NULL)
/* Empty string matches everything. */
return 0;
+
+ ret = rte_kvargs_process(kvlist,
+ eth_params_keys[RTE_ETH_PARAM_REPRESENTOR],
+ eth_representor_cmp, edev->data);
+ if (ret != 0)
+ return -1;
+
return 0;
}
@@ -613,6 +613,8 @@ struct rte_eth_dev_data {
struct rte_vlan_filter_conf vlan_filter_conf;
/**< VLAN filter configuration. */
struct rte_eth_dev_owner owner; /**< The port owner. */
+ uint16_t representor_id;
+ /**< switch specific identifier - valid if RTE_ETH_DEV_REPRESENTOR */
} __rte_cache_aligned;
/**