From: Chunsong Feng <fengchunsong@huawei.com>
Date: Fri, 10 Dec 2021 05:52:37 +0000 (+0000)
Subject: msg/async/dpdk:Add the TSO configuration
X-Git-Tag: v17.1.0~112^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F44278%2Fhead;p=ceph.git

msg/async/dpdk:Add the TSO configuration

The TSO feature of some NICs(mlx5,iavf,sfc,hns3) is abnormal in DPDK-20.11.
The TSO feature is fiexed in DPDK-21.11. Therefore, a configure is added
for compatibility.

Signed-off-by: Chunsong Feng <fengchunsong@huawei.com>
Reviewed-by: luo rixin <luorixin@huawei.com>
Reviewed-by: Han Fengzhe  <hanfengzhe@hisilicon.com>
---

diff --git a/src/common/options/global.yaml.in b/src/common/options/global.yaml.in
index 1c81c3a1701..a149ddebdc5 100644
--- a/src/common/options/global.yaml.in
+++ b/src/common/options/global.yaml.in
@@ -1465,6 +1465,10 @@ options:
   level: advanced
   default: true
   with_legacy: true
+- name: ms_dpdk_enable_tso
+  type: bool
+  level: advanced
+  default: true
 - name: ms_dpdk_hw_flow_control
   type: bool
   level: advanced
diff --git a/src/msg/async/dpdk/DPDK.cc b/src/msg/async/dpdk/DPDK.cc
index 24a6764fb09..a10c6ec96ae 100644
--- a/src/msg/async/dpdk/DPDK.cc
+++ b/src/msg/async/dpdk/DPDK.cc
@@ -310,7 +310,10 @@ int DPDKDevice::init_port_start()
   }
 
   // TSO is supported starting from DPDK v1.8
-  if (_dev_info.tx_offload_capa & DEV_TX_OFFLOAD_TCP_TSO) {
+  // TSO is abnormal in some DPDK versions (eg.dpdk-20.11-3.e18.aarch64), try
+  // disable TSO by ms_dpdk_enable_tso=false
+  if ((_dev_info.tx_offload_capa & DEV_TX_OFFLOAD_TCP_TSO) &&
+       cct->_conf.get_val<bool>("ms_dpdk_enable_tso")) {
     ldout(cct, 1) << __func__ << " TSO is supported" << dendl;
     _hw_features.tx_tso = 1;
   }