diff options
| author |   Chenmin Sun <chenmin.sun@intel.com> | 2019-07-17 22:29:44 +0800 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2019-08-19 09:41:08 +0000 |
| commit | de5ed58fdb72536ed928e12990a08104e1f89f51 (patch) | |
| tree | e3eca3ec5afb52b613896cb2f1c52a89417230e2 /src/plugins/dpdk/device/init.c | |
| parent | 4d843b9940a8fbcd0b54c8a66916b9ba66e4f2c9 (diff) | |
dpdk: add TSO support in dpdk plugin.
Type: feature
You can enable tso in starup.conf like this:
dev 0000:86:00.0{
tso on
}
TSO is disabled by default.
Change-Id: Ifdbaf5322f768c384aa54e532d7bf45e810ca01c
Signed-off-by: Chenmin Sun <chenmin.sun@intel.com>
Diffstat (limited to 'src/plugins/dpdk/device/init.c')
| -rw-r--r-- | src/plugins/dpdk/device/init.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c index 4b4bed4ee07..e5a796bdf9c 100644 --- a/src/plugins/dpdk/device/init.c +++ b/src/plugins/dpdk/device/init.c @@ -207,6 +207,7 @@ dpdk_lib_init (dpdk_main_t * dm) int i; clib_error_t *error; vlib_main_t *vm = vlib_get_main (); + vnet_main_t *vnm = vnet_get_main (); vlib_thread_main_t *tm = vlib_get_thread_main (); vnet_device_main_t *vdm = &vnet_device_main; vnet_sw_interface_t *sw; @@ -739,6 +740,23 @@ dpdk_lib_init (dpdk_main_t * dm) if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL) hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD; + if (devconf->tso == DPDK_DEVICE_TSO_ON) + { + if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL) + { + /*tcp_udp checksum must be enabled*/ + if (hi->flags & VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD) + { + hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_GSO; + vnm->interface_main.gso_interface_count++; + xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_TSO | + DEV_TX_OFFLOAD_UDP_TSO; + } + else + return clib_error_return (0, "TSO: TCP/UDP checksum offload must be enabled"); + } + } + dpdk_device_setup (xd); if (vec_len (xd->errors)) @@ -1024,6 +1042,7 @@ dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr, devconf->pci_addr.as_u32 = pci_addr.as_u32; devconf->hqos_enabled = 0; + devconf->tso = DPDK_DEVICE_TSO_DEFAULT; #if 0 dpdk_device_config_hqos_default (&devconf->hqos); #endif @@ -1072,6 +1091,14 @@ dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr, { devconf->hqos_enabled = 1; } + else if (unformat (input, "tso on")) + { + devconf->tso = DPDK_DEVICE_TSO_ON; + } + else if (unformat (input, "tso off")) + { + devconf->tso = DPDK_DEVICE_TSO_OFF; + } else { error = clib_error_return (0, "unknown input `%U'", @@ -1378,6 +1405,9 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input) devconf->vlan_strip_offload = conf->default_devconf.vlan_strip_offload; + /* copy tso config from default device */ + _(tso) + /* add DPDK EAL whitelist/blacklist entry */ if (num_whitelisted > 0 && devconf->is_blacklisted == 0) { |