Change eth rx burst size from 192 to 32. This significantly
improves performance for packets that will be forwarded
through dpdkvhost ports, as the max dpdkvhost tx burst
size (32) will not be exceeded. There are negligible
effects in other scenarios.
Signed-off-by: Kevin Traynor <kevin.tray...@intel.com>
---
lib/netdev-dpdk.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/lib/netdev-dpdk.c b/lib/netdev-dpdk.c
index f69154b..eb51072 100644
--- a/lib/netdev-dpdk.c
+++ b/lib/netdev-dpdk.c
@@ -145,7 +145,7 @@ 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_RX_QUEUE_LEN = 32 };
enum { MAX_TX_QUEUE_LEN = 384 };
enum { DPDK_RING_SIZE = 256 };
BUILD_ASSERT_DECL(IS_POW2(DPDK_RING_SIZE));
--
1.7.4.1
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