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-rw-r--r--src/plugins/dpdk/device/dpdk.h1
-rwxr-xr-xsrc/plugins/dpdk/device/init.c12
2 files changed, 11 insertions, 2 deletions
diff --git a/src/plugins/dpdk/device/dpdk.h b/src/plugins/dpdk/device/dpdk.h
index efcc5a766bf..c3c98f882e7 100644
--- a/src/plugins/dpdk/device/dpdk.h
+++ b/src/plugins/dpdk/device/dpdk.h
@@ -321,6 +321,7 @@ typedef struct
u8 *uio_driver_name;
u8 no_multi_seg;
u8 enable_tcp_udp_checksum;
+ u8 no_tx_checksum_offload;
/* Required config parameters */
u8 coremask_set_manually;
diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c
index 8d08da1308f..60f8ce67583 100755
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -331,6 +331,10 @@ dpdk_lib_init (dpdk_main_t * dm)
clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
sizeof (struct rte_eth_txconf));
+
+ if (dm->conf->no_tx_checksum_offload == 0)
+ xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOXSUMS;
+
if (dm->conf->no_multi_seg)
{
xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
@@ -636,8 +640,9 @@ dpdk_lib_init (dpdk_main_t * dm)
hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
- if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD)
- hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
+ if (dm->conf->no_tx_checksum_offload == 0)
+ if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD)
+ hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
dpdk_device_setup (xd);
@@ -915,6 +920,9 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
else if (unformat (input, "enable-tcp-udp-checksum"))
conf->enable_tcp_udp_checksum = 1;
+ else if (unformat (input, "no-tx-checksum-offload"))
+ conf->no_tx_checksum_offload = 1;
+
else if (unformat (input, "decimal-interface-names"))
conf->interface_name_format_decimal = 1;