From: Jiawen Wu <jiawenwu@trustnetic.com>
To: dev@dpdk.org
Cc: Jiawen Wu <jiawenwu@trustnetic.com>
Subject: [dpdk-dev] [PATCH v2 13/17] net/txgbe: support to update MTU on VF device
Date: Fri, 5 Feb 2021 11:34:45 +0800 [thread overview]
Message-ID: <20210205033449.3813939-14-jiawenwu@trustnetic.com> (raw)
In-Reply-To: <20210205033449.3813939-1-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 14040070e..4c072b4a5 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 d5f7b21cd..8839b610d 100644
--- a/drivers/net/txgbe/txgbe_ethdev_vf.c
+++ b/drivers/net/txgbe/txgbe_ethdev_vf.c
@@ -911,6 +911,41 @@ 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)
{
@@ -1074,6 +1109,7 @@ 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:[~2021-02-05 3:36 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-05 3:34 [dpdk-dev] [PATCH v2 00/17] net/txgbe: add VF driver support Jiawen Wu
2021-02-05 3:34 ` [dpdk-dev] [PATCH v2 01/17] net/txgbe: add ethdev probe and remove for VF device Jiawen Wu
2021-02-24 11:39 ` Ferruh Yigit
2021-02-05 3:34 ` [dpdk-dev] [PATCH v2 02/17] net/txgbe: add base code for VF driver Jiawen Wu
2021-02-05 3:34 ` [dpdk-dev] [PATCH v2 03/17] net/txgbe: support add and remove VF device MAC address Jiawen Wu
2021-02-24 11:40 ` Ferruh Yigit
2021-02-05 3:34 ` [dpdk-dev] [PATCH v2 04/17] net/txgbe: get VF device information Jiawen Wu
2021-02-05 3:34 ` [dpdk-dev] [PATCH v2 05/17] net/txgbe: add interrupt operation for VF device Jiawen Wu
2021-02-05 3:34 ` [dpdk-dev] [PATCH v2 06/17] net/txgbe: get link status of " Jiawen Wu
2021-02-24 11:40 ` Ferruh Yigit
2021-02-05 3:34 ` [dpdk-dev] [PATCH v2 07/17] net/txgbe: add Rx and Tx unit init for " Jiawen Wu
2021-02-05 3:34 ` [dpdk-dev] [PATCH v2 08/17] net/txgbe: add VF device stats and xstats get operation Jiawen Wu
2021-02-05 3:34 ` [dpdk-dev] [PATCH v2 09/17] net/txgbe: add VLAN handle support to VF driver Jiawen Wu
2021-02-05 3:34 ` [dpdk-dev] [PATCH v2 10/17] net/txgbe: add RSS support for VF device Jiawen Wu
2021-02-05 3:34 ` [dpdk-dev] [PATCH v2 11/17] net/txgbe: add VF device promiscuous and allmulticast mode Jiawen Wu
2021-02-05 3:34 ` [dpdk-dev] [PATCH v2 12/17] net/txgbe: support multicast MAC filter for VF driver Jiawen Wu
2021-02-05 3:34 ` Jiawen Wu [this message]
2021-02-05 3:34 ` [dpdk-dev] [PATCH v2 14/17] net/txgbe: support register dump on VF device Jiawen Wu
2021-02-05 3:34 ` [dpdk-dev] [PATCH v2 15/17] net/txgbe: start and stop " Jiawen Wu
2021-02-05 3:34 ` [dpdk-dev] [PATCH v2 16/17] net/txgbe: add some supports as PF driver implemented Jiawen Wu
2021-02-05 3:34 ` [dpdk-dev] [PATCH v2 17/17] doc: update release note for txgbe Jiawen Wu
2021-02-24 11:41 ` Ferruh Yigit
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