diff mbox series

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

Message ID	20220803113104.1184059-11-junfeng.guo@intel.com (mailing list archive)
State	Superseded, archived
Delegated to:	Andrew Rybchenko
Headers	From: Junfeng Guo <junfeng.guo@intel.com> To: qi.z.zhang@intel.com, jingjing.wu@intel.com, beilei.xing@intel.com Cc: dev@dpdk.org, junfeng.guo@intel.com Subject: [PATCH 10/13] net/idpf: add mtu configuration Date: Wed, 3 Aug 2022 19:31:01 +0800 Message-Id: <20220803113104.1184059-11-junfeng.guo@intel.com> In-Reply-To: <20220803113104.1184059-1-junfeng.guo@intel.com> References: <20220803113104.1184059-1-junfeng.guo@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: list Errors-To: dev-bounces@dpdk.org
Series	add support for idpf PMD in DPDK \| [00/13] add support for idpf PMD in DPDK [01/13] net/idpf/base: introduce base code [02/13] net/idpf/base: add logs and OS specific implementation [03/13] net/idpf: support device initialization [04/13] net/idpf: add queue operations [05/13] net/idpf: add support to get device information [06/13] net/idpf: add support to get packet type [07/13] net/idpf: add support to update link status [08/13] net/idpf: add basic Rx/Tx datapath [09/13] net/idpf: add support for RSS [10/13] net/idpf: add mtu configuration [11/13] net/idpf: add hw statistics [12/13] net/idpf: support write back based on ITR expire [13/13] net/idpf: add AVX512 data path for single queue model

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;