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cd120f9)
While TSO is supported for Intel NIC, Cisco VIC does not work.
The problem is due to txmode offloads is not properly set for
the Cisco VIC when enable-tcp-udp-checksum is configured.
Type: fix
Ticket: VPP-1838
Signed-off-by: Steven Luong <sluong@cisco.com>
Change-Id: I72c41db9b327ed8d08ef70d74e8cc6206d4a102f
+static void
+dpdk_enable_l4_csum_offload (dpdk_device_t * xd)
+{
+ xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
+ xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
+ xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
+ DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
+}
+
static clib_error_t *
dpdk_lib_init (dpdk_main_t * dm)
{
static clib_error_t *
dpdk_lib_init (dpdk_main_t * dm)
{
/* Cisco VIC */
case VNET_DPDK_PMD_ENIC:
xd->port_type = port_type_from_link_speed (l.link_speed);
/* Cisco VIC */
case VNET_DPDK_PMD_ENIC:
xd->port_type = port_type_from_link_speed (l.link_speed);
+ if (dm->conf->enable_tcp_udp_checksum)
+ dpdk_enable_l4_csum_offload (xd);
break;
/* Intel Red Rock Canyon */
break;
/* Intel Red Rock Canyon */