diff options
| author |   Steven Luong <sluong@cisco.com> | 2019-02-25 12:10:53 -0800 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2019-02-26 11:30:42 +0000 |
| commit | dd3737284d5021e2e3bd0413b61aab14797e365c (patch) | |
| tree | 4c538ed6e44118102b9f2af9a2de5697e4d2a3d9 /src/plugins/vmxnet3/vmxnet3.c | |
| parent | 5ecd5a5d159332a964dd840fcdabe5f8d3111b0e (diff) | |
vmxnet3: lro/tso and rx checksum
Add lro/tso and rx checksum support. lro/tso is configured via startup.conf
vmxnet3 { lro }
It is disable by default due to not all versions of ESXi supports it.
Change-Id: Icf224ff528884ecd9e655b4fcf4481194e8c5a63
Signed-off-by: Steven Luong <sluong@cisco.com>
Diffstat (limited to 'src/plugins/vmxnet3/vmxnet3.c')
| -rw-r--r-- | src/plugins/vmxnet3/vmxnet3.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/src/plugins/vmxnet3/vmxnet3.c b/src/plugins/vmxnet3/vmxnet3.c index a3aae99f211..6995905a181 100644 --- a/src/plugins/vmxnet3/vmxnet3.c +++ b/src/plugins/vmxnet3/vmxnet3.c @@ -218,6 +218,10 @@ vmxnet3_provision_driver_shared (vlib_main_t * vm, vmxnet3_device_t * vd) shared->misc.guest_info = VMXNET3_GOS_BITS_64; shared->misc.guest_info |= VMXNET3_GOS_TYPE_LINUX; shared->misc.version_support = VMXNET3_VERSION_SELECT; + shared->misc.upt_features = VMXNET3_F_RXCSUM; + if (vd->lro_enable) + shared->misc.upt_features |= VMXNET3_F_LRO; + shared->misc.max_num_rx_sg = 0; shared->misc.upt_version_support = VMXNET3_UPT_VERSION_SELECT; shared->misc.queue_desc_address = vmxnet3_dma_addr (vm, vd, vd->queues); shared->misc.queue_desc_len = sizeof (*tx) * vd->num_tx_queues + @@ -359,6 +363,8 @@ static clib_error_t * vmxnet3_device_init (vlib_main_t * vm, vmxnet3_device_t * vd, vmxnet3_create_if_args_t * args) { + vnet_main_t *vnm = vnet_get_main (); + vmxnet3_main_t *vmxm = &vmxnet3_main; clib_error_t *error = 0; u32 ret, i, size; vlib_thread_main_t *tm = vlib_get_thread_main (); @@ -405,6 +411,13 @@ vmxnet3_device_init (vlib_main_t * vm, vmxnet3_device_t * vd, return error; } + /* LRO is only supported for version >= 3 */ + if ((vmxm->lro_configured) && (vd->version >= 3)) + { + vd->lro_enable = 1; + vnm->interface_main.gso_interface_count++; + } + vmxnet3_reg_write (vd, 1, VMXNET3_REG_CMD, VMXNET3_CMD_GET_LINK); ret = vmxnet3_reg_read (vd, 1, VMXNET3_REG_CMD); if (ret & 1) @@ -413,9 +426,7 @@ vmxnet3_device_init (vlib_main_t * vm, vmxnet3_device_t * vd, vd->link_speed = ret >> 16; } else - { - vd->flags &= ~VMXNET3_DEVICE_F_LINK_UP; - } + vd->flags &= ~VMXNET3_DEVICE_F_LINK_UP; /* Get the mac address */ ret = vmxnet3_reg_read (vd, 1, VMXNET3_REG_MACL); @@ -698,6 +709,9 @@ vmxnet3_create_if (vlib_main_t * vm, vmxnet3_create_if_args_t * args) vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, vd->hw_if_index); hw->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE; + if (vd->lro_enable) + hw->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_GSO; + vnet_hw_interface_set_input_node (vnm, vd->hw_if_index, vmxnet3_input_node.index); vnet_hw_interface_assign_rx_thread (vnm, vd->hw_if_index, 0, ~0); @@ -794,6 +808,9 @@ vmxnet3_delete_if (vlib_main_t * vm, vmxnet3_device_t * vd) clib_error_free (vd->error); clib_memset (vd, 0, sizeof (*vd)); pool_put (vmxm->devices, vd); + + if (vd->lro_enable) + vnm->interface_main.gso_interface_count--; } /* |