diff mbox series

[10/13] net/idpf: add mtu configuration

Message ID 20220803113104.1184059-11-junfeng.guo@intel.com (mailing list archive)
State Superseded
Delegated to: Andrew Rybchenko
Headers show
Series add support for idpf PMD in DPDK | expand

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Junfeng Guo Aug. 3, 2022, 11:31 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>
---
 drivers/net/idpf/idpf_ethdev.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/idpf/idpf_ethdev.c b/drivers/net/idpf/idpf_ethdev.c
index 0b03ec860a..4b8e3c4d5b 100644
--- a/drivers/net/idpf/idpf_ethdev.c
+++ b/drivers/net/idpf/idpf_ethdev.c
@@ -34,6 +34,7 @@  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);
 
 int
 idpf_dev_link_update(struct rte_eth_dev *dev,
@@ -72,6 +73,7 @@  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
@@ -143,6 +145,18 @@  idpf_dev_info_get(__rte_unused struct rte_eth_dev *dev, struct rte_eth_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(__rte_unused struct rte_eth_dev *dev)
 {
@@ -465,6 +479,13 @@  idpf_dev_start(struct rte_eth_dev *dev)
 
 	vport->stopped = 0;
 
+	if (dev->data->mtu > vport->max_mtu) {
+		PMD_DRV_LOG(ERR, "MTU should be less than %d", vport->max_mtu);
+		goto err_mtu;
+	}
+
+	vport->max_pkt_len = dev->data->mtu + IDPF_ETH_OVERHEAD;
+
 	if (idpf_start_queues(dev)) {
 		PMD_DRV_LOG(ERR, "Failed to start queues");
 		goto err_mtu;