[v7,04/12] net/ice: support for MTU configure in DCF mode
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Commit Message
From: Jie Wang <jie1x.wang@intel.com>
add API "mtu_set" to dcf, and it can configure the port mtu through
cmdline.
Signed-off-by: Jie Wang <jie1x.wang@intel.com>
Signed-off-by: Kevin Liu <kevinx.liu@intel.com>
---
doc/guides/nics/features/ice_dcf.ini | 1 +
doc/guides/rel_notes/release_22_07.rst | 1 +
drivers/net/ice/ice_dcf_ethdev.c | 14 ++++++++++++++
drivers/net/ice/ice_dcf_ethdev.h | 6 ++++++
4 files changed, 22 insertions(+)
@@ -17,6 +17,7 @@ Inner L3 checksum = P
Inner L4 checksum = P
RSS reta update = Y
RSS key update = Y
+MTU update = Y
Basic stats = Y
Linux = Y
x86-32 = Y
@@ -64,6 +64,7 @@ New Features
* Added support for RSS RETA configure in DCF mode.
* Added support for RSS HASH configure in DCF mode.
+ * Added support for MTU configure in DCF mode.
Removed Items
-------------
@@ -1081,6 +1081,19 @@ ice_dcf_link_update(struct rte_eth_dev *dev,
return rte_eth_linkstatus_set(dev, &new_link);
}
+static int
+ice_dcf_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 != 0) {
+ PMD_DRV_LOG(ERR, "port %d must be stopped before configuration",
+ dev->data->port_id);
+ return -EBUSY;
+ }
+
+ return 0;
+}
+
bool
ice_dcf_adminq_need_retry(struct ice_adapter *ad)
{
@@ -1236,6 +1249,7 @@ static const struct eth_dev_ops ice_dcf_eth_dev_ops = {
.rss_hash_update = ice_dcf_dev_rss_hash_update,
.rss_hash_conf_get = ice_dcf_dev_rss_hash_conf_get,
.tx_done_cleanup = ice_tx_done_cleanup,
+ .mtu_set = ice_dcf_dev_mtu_set,
};
static int
@@ -15,6 +15,12 @@
#define ICE_DCF_MAX_RINGS 1
+#define ICE_DCF_FRAME_SIZE_MAX 9728
+#define ICE_DCF_VLAN_TAG_SIZE 4
+#define ICE_DCF_ETH_OVERHEAD \
+ (RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + ICE_DCF_VLAN_TAG_SIZE * 2)
+#define ICE_DCF_ETH_MAX_LEN (RTE_ETHER_MTU + ICE_DCF_ETH_OVERHEAD)
+
struct ice_dcf_queue {
uint64_t dummy;
};