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authorMohsin Kazmi <sykazmi@cisco.com>2021-06-17 17:20:02 +0000
committerDamjan Marion <dmarion@me.com>2021-09-16 10:42:59 +0000
commit64dd1720e5fd6f0cd9b029a5bc312e7264ac7d24 (patch)
tree38d83830715d9ec702edd58b61c8fecdf26fc96f /src/plugins/dpdk/device/init.c
parent82f9444dbe7fc3719d43dad313df15f686e3b68c (diff)
dpdk: add support for outer udp and ipv4 checksums
Type: improvement Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com> Change-Id: I10141033030342881298d70742fa5bdea402b4c9
Diffstat (limited to 'src/plugins/dpdk/device/init.c')
-rw-r--r--src/plugins/dpdk/device/init.c43
1 files changed, 34 insertions, 9 deletions
diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c
index f7c1cc106ba..18124c32ff0 100644
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -370,6 +370,18 @@ dpdk_lib_init (dpdk_main_t * dm)
xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_UDP_CKSUM;
if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_TCP_CKSUM)
xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_TCP_CKSUM;
+ if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_IPV4_CKSUM)
+ xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
+
+ if (dm->conf->enable_outer_checksum_offload)
+ {
+ if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM)
+ xd->port_conf.txmode.offloads |=
+ DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
+ if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM)
+ xd->port_conf.txmode.offloads |=
+ DEV_TX_OFFLOAD_OUTER_UDP_CKSUM;
+ }
}
if (dm->conf->enable_lro)
@@ -480,9 +492,8 @@ dpdk_lib_init (dpdk_main_t * dm)
{
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;
+ xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
+ DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
}
xd->port_conf.intr_conf.rxq = 1;
@@ -816,6 +827,11 @@ dpdk_lib_init (dpdk_main_t * dm)
hi->caps |= VNET_HW_INTERFACE_CAP_SUPPORTS_TX_IP4_CKSUM |
VNET_HW_INTERFACE_CAP_SUPPORTS_TX_TCP_CKSUM |
VNET_HW_INTERFACE_CAP_SUPPORTS_TX_UDP_CKSUM;
+ if (dm->conf->enable_outer_checksum_offload)
+ {
+ hi->caps |= VNET_HW_INTERFACE_CAP_SUPPORTS_TX_IP4_OUTER_CKSUM |
+ VNET_HW_INTERFACE_CAP_SUPPORTS_TX_UDP_OUTER_CKSUM;
+ }
}
if (devconf->tso == DPDK_DEVICE_TSO_ON && hi != NULL)
{
@@ -823,10 +839,16 @@ dpdk_lib_init (dpdk_main_t * dm)
if ((dm->conf->enable_tcp_udp_checksum) &&
(hi->caps & VNET_HW_INTERFACE_CAP_SUPPORTS_TX_CKSUM))
{
- hi->caps |= VNET_HW_INTERFACE_CAP_SUPPORTS_TCP_GSO |
- VNET_HW_INTERFACE_CAP_SUPPORTS_UDP_GSO;
- xd->port_conf.txmode.offloads |=
- DEV_TX_OFFLOAD_TCP_TSO | DEV_TX_OFFLOAD_UDP_TSO;
+ hi->caps |= VNET_HW_INTERFACE_CAP_SUPPORTS_TCP_GSO;
+ xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_TSO;
+
+ if (dm->conf->enable_outer_checksum_offload &&
+ (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_VXLAN_TNL_TSO))
+ {
+ xd->port_conf.txmode.offloads |=
+ DEV_TX_OFFLOAD_VXLAN_TNL_TSO;
+ hi->caps |= VNET_HW_INTERFACE_CAP_SUPPORTS_VXLAN_TNL_GSO;
+ }
}
else
clib_warning ("%s: TCP/UDP checksum offload must be enabled",
@@ -1391,8 +1413,11 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
conf->enable_telemetry = 1;
else if (unformat (input, "enable-tcp-udp-checksum"))
- conf->enable_tcp_udp_checksum = 1;
-
+ {
+ conf->enable_tcp_udp_checksum = 1;
+ if (unformat (input, "enable-outer-checksum-offload"))
+ conf->enable_outer_checksum_offload = 1;
+ }
else if (unformat (input, "no-tx-checksum-offload"))
conf->no_tx_checksum_offload = 1;