[v14,09/18] net/idpf: add support for MTU configuration

Message ID 20221027074729.1494529-10-junfeng.guo@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Andrew Rybchenko
Headers
Series add support for idpf PMD in DPDK |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Junfeng Guo Oct. 27, 2022, 7:47 a.m. UTC
  Add dev ops mtu_set.

Signed-off-by: Beilei Xing <beilei.xing@intel.com>
Signed-off-by: Junfeng Guo <junfeng.guo@intel.com>
---
 doc/guides/nics/features/idpf.ini |  1 +
 drivers/net/idpf/idpf_ethdev.c    | 14 ++++++++++++++
 2 files changed, 15 insertions(+)
  

Patch

diff --git a/doc/guides/nics/features/idpf.ini b/doc/guides/nics/features/idpf.ini
index c25fa5de3f..c8f4a0d6ed 100644
--- a/doc/guides/nics/features/idpf.ini
+++ b/doc/guides/nics/features/idpf.ini
@@ -5,6 +5,7 @@ 
 ;
 [Features]
 Queue start/stop     = Y
+MTU update           = Y
 Linux                = Y
 x86-32               = Y
 x86-64               = Y
diff --git a/drivers/net/idpf/idpf_ethdev.c b/drivers/net/idpf/idpf_ethdev.c
index dee1e03d43..94f4671057 100644
--- a/drivers/net/idpf/idpf_ethdev.c
+++ b/drivers/net/idpf/idpf_ethdev.c
@@ -35,6 +35,7 @@  static int idpf_dev_stop(struct rte_eth_dev *dev);
 static int idpf_dev_close(struct rte_eth_dev *dev);
 static int idpf_dev_info_get(struct rte_eth_dev *dev,
 			     struct rte_eth_dev_info *dev_info);
+static int idpf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
 static void idpf_adapter_rel(struct idpf_adapter *adapter);
 
 static int
@@ -68,6 +69,7 @@  static const struct eth_dev_ops idpf_eth_dev_ops = {
 	.tx_queue_release		= idpf_dev_tx_queue_release,
 	.dev_infos_get			= idpf_dev_info_get,
 	.link_update			= idpf_dev_link_update,
+	.mtu_set			= idpf_dev_mtu_set,
 };
 
 static int
@@ -110,6 +112,18 @@  idpf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 	return 0;
 }
 
+static int
+idpf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu __rte_unused)
+{
+	/* mtu setting is forbidden if port is start */
+	if (dev->data->dev_started) {
+		PMD_DRV_LOG(ERR, "port must be stopped before configuration");
+		return -EBUSY;
+	}
+
+	return 0;
+}
+
 static int
 idpf_init_vport_req_info(struct rte_eth_dev *dev)
 {