This patch fixed the TX checksum value problem when enabled TSO in tunnel packets, because outer UDP checksum calculation depend on the TSO configuration.
depend on patch: app/testpmd: enable GTP header parse and Tx checksum offload Fixes: 0f62d63593ed ("app/testpmd: support tunneled TSO in checksum engine") Cc: sta...@dpdk.org Signed-off-by: Peng Huang <peng.hu...@intel.com> --- app/test-pmd/csumonly.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/app/test-pmd/csumonly.c b/app/test-pmd/csumonly.c index e1cb7fb..a1775f4 100644 --- a/app/test-pmd/csumonly.c +++ b/app/test-pmd/csumonly.c @@ -478,6 +478,9 @@ struct simple_gre_hdr { if (info->outer_l4_proto != IPPROTO_UDP) return ol_flags; + if (tso_enabled) + ol_flags |= PKT_TX_TCP_SEG; + /* Skip SW outer UDP checksum generation if HW supports it */ if (tx_offloads & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM) { ol_flags |= PKT_TX_OUTER_UDP_CKSUM; -- 1.8.3.1