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Dpdk - set RX queue size as (mempool size / 2) #255

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Merged
SiskaPavel merged 2 commits into from
Feb 6, 2025
Merged

Dpdk - set RX queue size as (mempool size / 2) #255

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f9b15e7
Dpdk - set RX queue size as (mempool size / 2)
SiskaPavel Feb 6, 2025
e5cdbbd
Dpdk - increase default mempool size from 4096 to 8192
SiskaPavel Feb 6, 2025
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2 changes: 1 addition & 1 deletion input/dpdk.h
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Original file line number Diff line number Diff line change
Expand Up @@ -46,7 +46,7 @@ namespace ipxp {
class DpdkOptParser : public OptionsParser {
private:
static constexpr size_t DEFAULT_MBUF_BURST_SIZE = 64;
static constexpr size_t DEFAULT_MBUF_POOL_SIZE = 4096;
static constexpr size_t DEFAULT_MBUF_POOL_SIZE = 8192;
size_t pkt_buffer_size_;
size_t pkt_mempool_size_;
std::vector<uint16_t> port_numbers_;
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8 changes: 7 additions & 1 deletion input/dpdk/dpdkDevice.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@

#include "dpdkDevice.hpp"

#include <algorithm>
#include <chrono>
#include <cstring>
#include <iostream>
Expand Down Expand Up @@ -192,11 +193,13 @@ void DpdkDevice::initMemPools(uint16_t memPoolSize)

void DpdkDevice::setupRxQueues(uint16_t memPoolSize)
{
const uint16_t rxQueueSize = std::max(memPoolSize / 2, 1);

for (uint16_t rxQueueID = 0; rxQueueID < m_rxQueueCount; rxQueueID++) {
int ret = rte_eth_rx_queue_setup(
m_portID,
rxQueueID,
memPoolSize,
rxQueueSize,
rte_eth_dev_socket_id(m_portID),
nullptr,
m_memPools[rxQueueID]);
Expand All @@ -206,6 +209,9 @@ void DpdkDevice::setupRxQueues(uint16_t memPoolSize)
+ std::to_string(m_portID));
}
}

std::cerr << "DPDK RX queues for port " << m_portID << " set up. Size of each queue: "
<< rxQueueSize << std::endl;
}

void DpdkDevice::configureRSS()
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