[v3,08/21] net/cpfl: support MTU configuration
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Commit Message
Add dev ops mtu_set.
Signed-off-by: Mingxia Liu <mingxia.liu@intel.com>
---
doc/guides/nics/features/cpfl.ini | 1 +
drivers/net/cpfl/cpfl_ethdev.c | 27 +++++++++++++++++++++++++++
2 files changed, 28 insertions(+)
@@ -7,6 +7,7 @@
; is selected.
;
[Features]
+MTU update = Y
Linux = Y
x86-32 = Y
x86-64 = Y
@@ -121,6 +121,27 @@ cpfl_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
return 0;
}
+static int
+cpfl_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
+{
+ struct idpf_vport *vport = dev->data->dev_private;
+
+ /* 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;
+ }
+
+ if (mtu > vport->max_mtu) {
+ PMD_DRV_LOG(ERR, "MTU should be less than %d", vport->max_mtu);
+ return -EINVAL;
+ }
+
+ vport->max_pkt_len = mtu + CPFL_ETH_OVERHEAD;
+
+ return 0;
+}
+
static const uint32_t *
cpfl_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused)
{
@@ -142,6 +163,7 @@ cpfl_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused)
static int
cpfl_dev_configure(struct rte_eth_dev *dev)
{
+ struct idpf_vport *vport = dev->data->dev_private;
struct rte_eth_conf *conf = &dev->data->dev_conf;
if (conf->link_speeds & RTE_ETH_LINK_SPEED_FIXED) {
@@ -181,6 +203,10 @@ cpfl_dev_configure(struct rte_eth_dev *dev)
return -ENOTSUP;
}
+ vport->max_pkt_len =
+ (dev->data->mtu == 0) ? CPFL_DEFAULT_MTU : dev->data->mtu +
+ CPFL_ETH_OVERHEAD;
+
return 0;
}
@@ -625,6 +651,7 @@ static const struct eth_dev_ops cpfl_eth_dev_ops = {
.tx_queue_stop = cpfl_tx_queue_stop,
.rx_queue_release = cpfl_dev_rx_queue_release,
.tx_queue_release = cpfl_dev_tx_queue_release,
+ .mtu_set = cpfl_dev_mtu_set,
.dev_supported_ptypes_get = cpfl_dev_supported_ptypes_get,
};