This patch implements ethdev operations get_module_info and
get_module_eeprom, to support ethtool commands ETHTOOL_GMODULEINFO
and ETHTOOL_GMODULEEEPROM.
New functions mlx5_get_module_info() and mlx5_get_module_eeprom()
added in mlx5_ethdev.c.
Signed-off-by: Dekel Peled <dek...@mellanox.com>
---
drivers/net/mlx5/mlx5.c | 6 +++
drivers/net/mlx5/mlx5.h | 4 ++
drivers/net/mlx5/mlx5_ethdev.c | 86 ++++++++++++++++++++++++++++++++++++++++++
3 files changed, 96 insertions(+)
diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index dc7b10b..3be53c6 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -988,6 +988,8 @@ struct mlx5_dev_spawn_data {
.rx_queue_intr_disable = mlx5_rx_intr_disable,
.is_removed = mlx5_is_removed,
.udp_tunnel_port_add = mlx5_udp_tunnel_port_add,
+ .get_module_info = mlx5_get_module_info,
+ .get_module_eeprom = mlx5_get_module_eeprom,
};
/* Available operations from secondary process. */
@@ -1001,6 +1003,8 @@ struct mlx5_dev_spawn_data {
.dev_infos_get = mlx5_dev_infos_get,
.rx_descriptor_status = mlx5_rx_descriptor_status,
.tx_descriptor_status = mlx5_tx_descriptor_status,
+ .get_module_info = mlx5_get_module_info,
+ .get_module_eeprom = mlx5_get_module_eeprom,
};
/* Available operations in flow isolated mode. */
@@ -1044,6 +1048,8 @@ struct mlx5_dev_spawn_data {
.rx_queue_intr_enable = mlx5_rx_intr_enable,
.rx_queue_intr_disable = mlx5_rx_intr_disable,
.is_removed = mlx5_is_removed,
+ .get_module_info = mlx5_get_module_info,
+ .get_module_eeprom = mlx5_get_module_eeprom,
};
/**
diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index 09ca4b1..86a272e 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -724,6 +724,10 @@ void mlx5_translate_port_name(const char *port_name_in,
struct mlx5_switch_info *port_info_out);
void mlx5_intr_callback_unregister(const struct rte_intr_handle *handle,
rte_intr_callback_fn cb_fn, void *cb_arg);
+int mlx5_get_module_info(struct rte_eth_dev *dev,
+ struct rte_eth_dev_module_info *modinfo);
+int mlx5_get_module_eeprom(struct rte_eth_dev *dev,
+ struct rte_dev_eeprom_info *info);
/* mlx5_mac.c */
diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c
index 33a32fc..c68e773 100644
--- a/drivers/net/mlx5/mlx5_ethdev.c
+++ b/drivers/net/mlx5/mlx5_ethdev.c
@@ -1928,3 +1928,89 @@ int mlx5_fw_version_get(struct rte_eth_dev *dev, char
*fw_ver, size_t fw_size)
port_info_out->name_type = MLX5_PHYS_PORT_NAME_TYPE_UNKNOWN;
return;
}
+
+/**
+ * DPDK callback to retrieve plug-in module EEPROM information (type and size).
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param[out] modinfo
+ * Storage for plug-in module EEPROM information.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_get_module_info(struct rte_eth_dev *dev,
+ struct rte_eth_dev_module_info *modinfo)
+{
+ struct ethtool_modinfo info = {
+ .cmd = ETHTOOL_GMODULEINFO,
+ };
+ struct ifreq ifr = (struct ifreq) {
+ .ifr_data = (void *)&info,
+ };
+ int ret = 0;
+
+ if (!dev || !modinfo) {
+ DRV_LOG(WARNING, "missing argument, cannot get module info");
+ rte_errno = EINVAL;
+ return -rte_errno;
+ }
+ ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
+ if (ret) {
+ DRV_LOG(WARNING, "port %u ioctl(SIOCETHTOOL) failed: %s",
+ dev->data->port_id, strerror(rte_errno));
+ return ret;
+ }
+ modinfo->type = info.type;
+ modinfo->eeprom_len = info.eeprom_len;
+ return ret;
+}
+
+/**
+ * DPDK callback to retrieve plug-in module EEPROM data.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param[out] info
+ * Storage for plug-in module EEPROM data.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int mlx5_get_module_eeprom(struct rte_eth_dev *dev,
+ struct rte_dev_eeprom_info *info)
+{
+ struct ethtool_eeprom *eeprom;
+ struct ifreq ifr;
+ int ret = 0;
+
+ if (!dev || !info) {
+ DRV_LOG(WARNING, "missing argument, cannot get module eeprom");
+ rte_errno = EINVAL;
+ return -rte_errno;
+ }
+ eeprom = rte_calloc(__func__, 1,
+ (sizeof(struct ethtool_eeprom) + info->length), 0);
+ if (!eeprom) {
+ DRV_LOG(WARNING, "port %u cannot allocate memory for "
+ "eeprom data", dev->data->port_id);
+ rte_errno = ENOMEM;
+ return -rte_errno;
+ }
+ eeprom->cmd = ETHTOOL_GMODULEEEPROM;
+ eeprom->offset = info->offset;
+ eeprom->len = info->length;
+ ifr = (struct ifreq) {
+ .ifr_data = (void *)eeprom,
+ };
+ ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
+ if (ret)
+ DRV_LOG(WARNING, "port %u ioctl(SIOCETHTOOL) failed: %s",
+ dev->data->port_id, strerror(rte_errno));
+ else
+ rte_memcpy(info->data, eeprom->data, info->length);
+ rte_free(eeprom);
+ return ret;
+}
--
1.8.3.1
