d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

net/txgbe: support VF MTU update

Browse Source 
Add MTU set operation for VF device.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
This commit is contained in:
Jiawen Wu 2021-02-25 16:08:57 +08:00 committed by Ferruh Yigit
parent c8307adaaa
commit a2beaa4a76
2 changed files with 37 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
doc/guides/nics/features/txgbe_vf.ini
View File

@ -8,6 +8,7 @@ Link status = Y
Unicast MAC filter = Y
Multicast MAC filter = Y
Rx interrupt = Y
MTU update = Y
Jumbo frame = Y
Scattered Rx = Y
LRO = Y

36
drivers/net/txgbe/txgbe_ethdev_vf.c
View File

@ -910,6 +910,41 @@ 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)
{
@ -1073,6 +1108,7 @@ 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,