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<div class="moz-cite-prefix">On 11/15/2021 8:59 AM, Jie Wang wrote:<br>
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<blockquote type="cite" cite="mid:20211115032958.2535862-1-jie1x.wang@intel.com">
<pre class="moz-quote-pre" wrap="">When set port DCB in VT mode enabled, it should remove RSS HASH
offload before reconfiguring the device and queues.
Because port multi-queue mode is changed from RSS to DCB in VT.
Fixes: 2a977b891f99 ("app/testpmd: fix DCB configuration")
Signed-off-by: Jie Wang <a class="moz-txt-link-rfc2396E" href="mailto:jie1x.wang@intel.com"><jie1x.wang@intel.com></a></pre>
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<pre class="content" style="box-sizing: border-box; overflow: auto; font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: 13px; display: block; padding: 9.5px; margin: 0px 0px 10px; line-height: 14.3px; color: rgb(51, 51, 51); word-break: break-all; overflow-wrap: break-word; background-color: white; border: 0px; border-radius: 0px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span class="acked-by" style="box-sizing: border-box; color: rgb(45, 69, 102);">Acked-by: Aman Deep Singh <a class="moz-txt-link-rfc2396E" href="mailto:aman.deep.singh@intel.com"><aman.deep.singh@intel.com></a></span></pre>
<blockquote type="cite" cite="mid:20211115032958.2535862-1-jie1x.wang@intel.com">
<pre class="moz-quote-pre" wrap="">
---
v3:
* update commit log.
* remove RSS HASh offload from DCB in VT.
v2:
* update commit log.
* remove RSS HASH offload from port->rx_conf[i].offloads.
---
app/test-pmd/testpmd.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index a66dfb297c..c18942279a 100644
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -3948,6 +3948,13 @@ init_port_dcb_config(portid_t pid,
if (retval < 0)
return retval;
port_conf.rxmode.offloads |= RTE_ETH_RX_OFFLOAD_VLAN_FILTER;
+ /* remove RSS HASH offload for DCB in vt mode */
+ if (port_conf.rxmode.mq_mode == RTE_ETH_MQ_RX_VMDQ_DCB) {
+ port_conf.rxmode.offloads &= ~RTE_ETH_RX_OFFLOAD_RSS_HASH;
+ for (i = 0; i < nb_rxq; i++)
+ rte_port->rx_conf[i].offloads &=
+ ~RTE_ETH_RX_OFFLOAD_RSS_HASH;
+ }
/* re-configure the device . */
retval = rte_eth_dev_configure(pid, nb_rxq, nb_rxq, &port_conf);
</pre>
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