app/testpmd: enable UDP GSO in csum engine

This patch enables GSO for UDP/IPv4 packets. Oversized UDP/IPv4
packets transmitted over a GSO-enabled port will undergo segmentation.

Signed-off-by: Jiayu Hu <jiayu.hu@intel.com>
Acked-by: Xiao Wang <xiao.w.wang@intel.com>
Acked-by: Bernard Iremonger <bernard.iremonger@intel.com>
Tested-by: Yuwei Zhang <yuwei1.zhang@intel.com>

diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 74a8cd9..15d35da 100644 (file)
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -4802,8 +4802,9 @@ cmd_gso_show_parsed(void *parsed_result,
                if (gso_ports[res->cmd_pid].enable) {
                        printf("Max GSO'd packet size: %uB\n"
                                        "Supported GSO types: TCP/IPv4, "
-                                       "VxLAN with inner TCP/IPv4 packet, "
-                                       "GRE with inner TCP/IPv4  packet\n",
+                                       "UDP/IPv4, VxLAN with inner "
+                                       "TCP/IPv4 packet, GRE with inner "
+                                       "TCP/IPv4 packet\n",
                                        gso_max_segment_size);
                } else
                        printf("GSO is not enabled on Port %u\n", res->cmd_pid);

diff --git a/app/test-pmd/csumonly.c b/app/test-pmd/csumonly.c
index 0bb88cf..4948292 100644 (file)
--- a/app/test-pmd/csumonly.c
+++ b/app/test-pmd/csumonly.c
@@ -411,6 +411,8 @@ process_inner_cksums(void *l3_hdr, const struct testpmd_offload_info *info,
                                                info->ethertype);
                        }
                }
+               if (info->gso_enable)
+                       ol_flags |= PKT_TX_UDP_SEG;
        } else if (info->l4_proto == IPPROTO_TCP) {
                tcp_hdr = (struct tcp_hdr *)((char *)l3_hdr + info->l3_len);
                tcp_hdr->cksum = 0;

diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index dde7d43..31e9f95 100644 (file)
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -776,7 +776,7 @@ init_config(void)
        init_port_config();
 
        gso_types = DEV_TX_OFFLOAD_TCP_TSO | DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
-               DEV_TX_OFFLOAD_GRE_TNL_TSO;
+               DEV_TX_OFFLOAD_GRE_TNL_TSO | DEV_TX_OFFLOAD_UDP_TSO;
        /*
         * Records which Mbuf pool to use by each logical core, if needed.
         */