From: Jiawen Wu <jiawenwu@trustnetic.com>
To: dev@dpdk.org
Cc: Jiawen Wu <jiawenwu@trustnetic.com>
Subject: [dpdk-dev] [PATCH v1 13/20] net/txgbe: support to update MTU on VF device
Date: Fri, 22 Jan 2021 17:47:53 +0800 [thread overview]
Message-ID: <20210122094800.197748-14-jiawenwu@trustnetic.com> (raw)
In-Reply-To: <20210122094800.197748-1-jiawenwu@trustnetic.com>
Add MTU set operation for VF device.
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
---
doc/guides/nics/features/txgbe_vf.ini | 1 +
drivers/net/txgbe/txgbe_ethdev_vf.c | 36 +++++++++++++++++++++++++++
2 files changed, 37 insertions(+)
diff --git a/doc/guides/nics/features/txgbe_vf.ini b/doc/guides/nics/features/txgbe_vf.ini
index 480af52bd..37a02c6e1 100644
--- a/doc/guides/nics/features/txgbe_vf.ini
+++ b/doc/guides/nics/features/txgbe_vf.ini
@@ -6,6 +6,7 @@
[Features]
Link status = Y
Rx interrupt = Y
+MTU update = Y
Jumbo frame = Y
Scattered Rx = Y
LRO = Y
diff --git a/drivers/net/txgbe/txgbe_ethdev_vf.c b/drivers/net/txgbe/txgbe_ethdev_vf.c
index 58fd2c5a1..dd84a4955 100644
--- a/drivers/net/txgbe/txgbe_ethdev_vf.c
+++ b/drivers/net/txgbe/txgbe_ethdev_vf.c
@@ -913,6 +913,41 @@ txgbevf_set_default_mac_addr(struct rte_eth_dev *dev,
return 0;
}
+static int
+txgbevf_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
+{
+ struct txgbe_hw *hw;
+ uint32_t max_frame = mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
+ struct rte_eth_rxmode *rx_conf = &dev->data->dev_conf.rxmode;
+
+ hw = TXGBE_DEV_HW(dev);
+
+ if (mtu < RTE_ETHER_MIN_MTU ||
+ max_frame > RTE_ETHER_MAX_JUMBO_FRAME_LEN)
+ return -EINVAL;
+
+ /* refuse mtu that requires the support of scattered packets when this
+ * feature has not been enabled before.
+ */
+ if (!(rx_conf->offloads & DEV_RX_OFFLOAD_SCATTER) &&
+ (max_frame + 2 * TXGBE_VLAN_TAG_SIZE >
+ dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM))
+ return -EINVAL;
+
+ /*
+ * When supported by the underlying PF driver, use the TXGBE_VF_SET_MTU
+ * request of the version 2.0 of the mailbox API.
+ * For now, use the TXGBE_VF_SET_LPE request of the version 1.0
+ * of the mailbox API.
+ */
+ if (txgbevf_rlpml_set_vf(hw, max_frame))
+ return -EINVAL;
+
+ /* update max frame size */
+ dev->data->dev_conf.rxmode.max_rx_pkt_len = max_frame;
+ return 0;
+}
+
static int
txgbevf_dev_promiscuous_enable(struct rte_eth_dev *dev)
{
@@ -1076,6 +1111,7 @@ static const struct eth_dev_ops txgbevf_eth_dev_ops = {
.allmulticast_enable = txgbevf_dev_allmulticast_enable,
.allmulticast_disable = txgbevf_dev_allmulticast_disable,
.dev_infos_get = txgbevf_dev_info_get,
+ .mtu_set = txgbevf_dev_set_mtu,
.vlan_filter_set = txgbevf_vlan_filter_set,
.vlan_strip_queue_set = txgbevf_vlan_strip_queue_set,
.vlan_offload_set = txgbevf_vlan_offload_set,
--
2.27.0
next prev parent reply other threads:[~2021-01-22 9:50 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-22 9:47 [dpdk-dev] [PATCH v1 00/20] net/txgbe: add VF driver support Jiawen Wu
2021-01-22 9:47 ` [dpdk-dev] [PATCH v1 01/20] net/txgbe: add ethdev probe and remove for VF device Jiawen Wu
2021-02-02 17:48 ` Ferruh Yigit
2021-01-22 9:47 ` [dpdk-dev] [PATCH v1 02/20] net/txgbe: add base code for VF driver Jiawen Wu
2021-02-02 17:51 ` Ferruh Yigit
2021-01-22 9:47 ` [dpdk-dev] [PATCH v1 03/20] net/txgbe: support add and remove VF device MAC address Jiawen Wu
2021-01-22 9:47 ` [dpdk-dev] [PATCH v1 04/20] net/txgbe: get VF device information Jiawen Wu
2021-01-22 9:47 ` [dpdk-dev] [PATCH v1 05/20] net/txgbe: add interrupt operation for VF device Jiawen Wu
2021-02-02 17:49 ` Ferruh Yigit
2021-01-22 9:47 ` [dpdk-dev] [PATCH v1 06/20] net/txgbe: get link status of " Jiawen Wu
2021-01-22 9:47 ` [dpdk-dev] [PATCH v1 07/20] net/txgbe: add Rx and Tx unit init for " Jiawen Wu
2021-02-02 17:49 ` Ferruh Yigit
2021-01-22 9:47 ` [dpdk-dev] [PATCH v1 08/20] net/txgbe: add VF device stats and xstats get operation Jiawen Wu
2021-01-22 9:47 ` [dpdk-dev] [PATCH v1 09/20] net/txgbe: add VLAN handle support to VF driver Jiawen Wu
2021-02-02 17:52 ` Ferruh Yigit
2021-01-22 9:47 ` [dpdk-dev] [PATCH v1 10/20] net/txgbe: add RSS support for VF device Jiawen Wu
2021-01-22 9:47 ` [dpdk-dev] [PATCH v1 11/20] net/txgbe: add VF device promiscuous and allmulticast mode Jiawen Wu
2021-01-22 9:47 ` [dpdk-dev] [PATCH v1 12/20] net/txgbe: support multicast MAC filter for VF driver Jiawen Wu
2021-01-22 9:47 ` Jiawen Wu [this message]
2021-01-22 9:47 ` [dpdk-dev] [PATCH v1 14/20] net/txgbe: support register dump on VF device Jiawen Wu
2021-01-22 9:47 ` [dpdk-dev] [PATCH v1 15/20] net/txgbe: start and stop " Jiawen Wu
2021-01-22 9:47 ` [dpdk-dev] [PATCH v1 16/20] net/txgbe: add some supports as PF driver implemented Jiawen Wu
2021-02-02 17:50 ` Ferruh Yigit
2021-01-22 9:47 ` [dpdk-dev] [PATCH v1 17/20] net/txgbe: support VF representor Jiawen Wu
2021-01-22 9:47 ` [dpdk-dev] [PATCH v1 18/20] net/txgbe: hardware support for " Jiawen Wu
2021-02-02 17:50 ` Ferruh Yigit
2021-01-22 9:47 ` [dpdk-dev] [PATCH v1 19/20] net/txgbe: support VLAN filter " Jiawen Wu
2021-01-22 9:48 ` [dpdk-dev] [PATCH v1 20/20] doc: update release note for txgbe Jiawen Wu
2021-02-02 17:50 ` Ferruh Yigit
2021-02-02 18:07 ` [dpdk-dev] [PATCH v1 00/20] net/txgbe: add VF driver support Ferruh Yigit
2021-02-03 7:48 ` Jiawen Wu
2021-02-10 13:24 ` Ferruh Yigit
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