From: Eduard Serra Date: Wed, 25 Mar 2020 19:18:51 +0000 (-0700) Subject: net/vmxnet3: support MTU set X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=40dce592f1db2d243ca4bb0afed8a8039d907d2d;p=dpdk.git net/vmxnet3: support MTU set (Picked up from @Charles Myers patch https://patchwork.dpdk.org/patch/57771/) When the mtu_set() function is not implemented, rte_eth_dev_set_mtu() fails with -ENOTSUP and mtu is not stored in the mtu field in the rte_eth_dev_data. This causes the mtu in Vmxnet3_MiscConf which is shared with hypervisor to always be set to 1500. This may cause issues receiving jumbo frames on Enhanced Data Path N-VDS. Signed-off-by: Eduard Serra Acked-by: Yong Wang --- diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c index 705e9760f4..c6e11ad2d3 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethdev.c +++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c @@ -87,6 +87,7 @@ static int vmxnet3_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info); static const uint32_t * vmxnet3_dev_supported_ptypes_get(struct rte_eth_dev *dev); +static int vmxnet3_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu); static int vmxnet3_dev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vid, int on); static int vmxnet3_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask); @@ -124,6 +125,7 @@ static const struct eth_dev_ops vmxnet3_eth_dev_ops = { .mac_addr_set = vmxnet3_mac_addr_set, .dev_infos_get = vmxnet3_dev_info_get, .dev_supported_ptypes_get = vmxnet3_dev_supported_ptypes_get, + .mtu_set = vmxnet3_dev_mtu_set, .vlan_filter_set = vmxnet3_dev_vlan_filter_set, .vlan_offload_set = vmxnet3_dev_vlan_offload_set, .rx_queue_setup = vmxnet3_dev_rx_queue_setup, @@ -1166,6 +1168,8 @@ vmxnet3_dev_info_get(struct rte_eth_dev *dev, dev_info->max_tx_queues = VMXNET3_MAX_TX_QUEUES; dev_info->min_rx_bufsize = 1518 + RTE_PKTMBUF_HEADROOM; dev_info->max_rx_pktlen = 16384; /* includes CRC, cf MAXFRS register */ + dev_info->min_mtu = VMXNET3_MIN_MTU; + dev_info->max_mtu = VMXNET3_MAX_MTU; dev_info->speed_capa = ETH_LINK_SPEED_10G; dev_info->max_mac_addrs = VMXNET3_MAX_MAC_ADDRS; @@ -1211,6 +1215,18 @@ vmxnet3_dev_supported_ptypes_get(struct rte_eth_dev *dev) return NULL; } +static int +vmxnet3_dev_mtu_set(struct rte_eth_dev *dev, __rte_unused uint16_t mtu) +{ + if (dev->data->dev_started) { + PMD_DRV_LOG(ERR, "Port %d must be stopped to configure MTU", + dev->data->port_id); + return -EBUSY; + } + + return 0; +} + static int vmxnet3_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr) {