Change phy rx burst size from 192 to 32. This aligns the
burst size with the other dpdk interfaces and significantly
improves performance when forwarding to dpdk vhost ports.
Signed-off-by: Kevin Traynor <kevin.tray...@intel.com>
---
lib/netdev-dpdk.c | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/lib/netdev-dpdk.c b/lib/netdev-dpdk.c
index 5af15d4..cbb266d 100644
--- a/lib/netdev-dpdk.c
+++ b/lib/netdev-dpdk.c
@@ -144,7 +144,6 @@ static const struct rte_eth_txconf tx_conf = {
.txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS|ETH_TXQ_FLAGS_NOOFFLOADS,
};
-enum { MAX_RX_QUEUE_LEN = 192 };
enum { MAX_TX_QUEUE_LEN = 384 };
enum { DPDK_RING_SIZE = 256 };
BUILD_ASSERT_DECL(IS_POW2(DPDK_RING_SIZE));
@@ -885,8 +884,8 @@ netdev_dpdk_rxq_recv(struct netdev_rxq *rxq_, struct
dp_packet **packets,
nb_rx = rte_eth_rx_burst(rx->port_id, rxq_->queue_id,
(struct rte_mbuf **) packets,
- MIN((int)NETDEV_MAX_RX_BATCH,
- (int)MAX_RX_QUEUE_LEN));
+ MIN((int) NETDEV_MAX_RX_BATCH,
+ (int) MAX_PKT_BURST));
if (!nb_rx) {
return EAGAIN;
}
--
1.7.4.1
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