dpdk - call rte_eth_dev_set_mtu to set MTU on interface

The MTU setting in rte_eth_dev_configure turned out to be insufficient.
CESNET · Jun 20, 2024 · 5f83fe4 · 5f83fe4
1 parent b04ad8a
commit 5f83fe4
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/input/dpdk/dpdkDevice.cpp b/input/dpdk/dpdkDevice.cpp
@@ -127,6 +127,9 @@ void DpdkDevice::configurePort()
 	if (rte_eth_dev_configure(m_portID, m_rxQueueCount, m_txQueueCount, &portConfig)) {
 		throw PluginError("DpdkDevice::configurePort() has failed. Unable to configure interface");
 	}
+	if (rte_eth_dev_set_mtu(m_portID, m_mtuSize)) {
+		throw PluginError("DpdkDevice::configurePort() has failed. Unable to set MTU (rte_eth_dev_set_mtu)");
+	}
 }
 
 rte_eth_conf DpdkDevice::createPortConfig()