96 lines
3.1 KiB
Diff
96 lines
3.1 KiB
Diff
From 632be32735107a09672a897b6123b8dc4d15b6ae Mon Sep 17 00:00:00 2001
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From: Jie Wang <jie1x.wang@intel.com>
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Date: Thu, 14 Oct 2021 18:31:23 +0800
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Subject: [PATCH] ethdev: add API to get device configuration
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The driver may change offloads info into dev->data->dev_conf
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in dev_configure which may cause apps use outdated values.
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Add a new API to get actual device configuration.
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Signed-off-by: Jie Wang <jie1x.wang@intel.com>
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Acked-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
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Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
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Conflict: mv ethdev dir to librte_ethdev; move version.map to rte_ethdev_version.map; remove the modify of release_21_11.rst
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Reference: https://github.com/DPDK/dpdk/commit/632be32735107a09672a897b6123b8dc4d15b6ae
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---
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lib/librte_ethdev/rte_ethdev.c | 20 ++++++++++++++++++++
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lib/librte_ethdev/rte_ethdev.h | 18 ++++++++++++++++++
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lib/librte_ethdev/rte_ethdev_version.map | 1 +
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3 files changed, 39 insertions(+)
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diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c
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index 6e9cb24..8d99d40 100644
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--- a/lib/librte_ethdev/rte_ethdev.c
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+++ b/lib/librte_ethdev/rte_ethdev.c
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@@ -3001,6 +3001,26 @@ rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
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return 0;
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}
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+int
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+rte_eth_dev_conf_get(uint16_t port_id, struct rte_eth_conf *dev_conf)
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+{
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+ struct rte_eth_dev *dev;
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+
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+ RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
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+ dev = &rte_eth_devices[port_id];
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+
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+ if (dev_conf == NULL) {
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+ RTE_ETHDEV_LOG(ERR,
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+ "Cannot get ethdev port %u configuration to NULL\n",
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+ port_id);
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+ return -EINVAL;
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+ }
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+
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+ memcpy(dev_conf, &dev->data->dev_conf, sizeof(struct rte_eth_conf));
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+
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+ return 0;
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+}
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+
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int
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rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
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uint32_t *ptypes, int num)
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diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
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index 18a9def..02ba09e 100644
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--- a/lib/librte_ethdev/rte_ethdev.h
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+++ b/lib/librte_ethdev/rte_ethdev.h
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@@ -2562,6 +2562,24 @@ int rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr);
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*/
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int rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info);
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+/**
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+ * @warning
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+ * @b EXPERIMENTAL: this API may change without prior notice.
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+ *
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+ * Retrieve the configuration of an Ethernet device.
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+ *
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+ * @param port_id
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+ * The port identifier of the Ethernet device.
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+ * @param dev_conf
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+ * Location for Ethernet device configuration to be filled in.
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+ * @return
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+ * - (0) if successful.
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+ * - (-ENODEV) if *port_id* invalid.
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+ * - (-EINVAL) if bad parameter.
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+ */
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+__rte_experimental
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+int rte_eth_dev_conf_get(uint16_t port_id, struct rte_eth_conf *dev_conf);
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+
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/**
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* Retrieve the firmware version of a device.
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*
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diff --git a/lib/librte_ethdev/rte_ethdev_version.map b/lib/librte_ethdev/rte_ethdev_version.map
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index a7dacf2..78cd812 100644
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--- a/lib/librte_ethdev/rte_ethdev_version.map
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+++ b/lib/librte_ethdev/rte_ethdev_version.map
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@@ -227,4 +227,5 @@ EXPERIMENTAL {
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rte_flow_dynf_metadata_mask;
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rte_flow_dynf_metadata_register;
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rte_eth_dev_set_ptypes;
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+ rte_eth_dev_conf_get;
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};
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--
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2.30.0
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