[dpdk-dev] [PATCH 3/5] testpmd: Change rxfreet default to 32

[Bruce Richardson <bruce.richardson@intel.com>]

To improve performance by using bulk alloc or vectored RX routines, we
need to set rx free threshold (rxfreet) value to 32, so make this the
testpmd default.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
 app/test-pmd/testpmd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index 9f6cdc4..5751607 100644
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -225,7 +225,7 @@ struct rte_eth_thresh tx_thresh = {
 /*
  * Configurable value of RX free threshold.
  */
-uint16_t rx_free_thresh = 0; /* Immediately free RX descriptors by default. */
+uint16_t rx_free_thresh = 32; /* Refill RX descriptors once every 32 packets */
 
 /*
  * Configurable value of RX drop enable.
-- 
1.9.3