net/mlx5: fix reusing Rx/Tx queues

[dpdk.git] / drivers / net / sfc / sfc_tweak.h

diff --git a/drivers/net/sfc/sfc_tweak.h b/drivers/net/sfc/sfc_tweak.h
index 8538d56..4ef7fc8 100644 (file)
--- a/drivers/net/sfc/sfc_tweak.h
+++ b/drivers/net/sfc/sfc_tweak.h
@@ -1,5 +1,7 @@
 /*-
- * Copyright (c) 2016 Solarflare Communications Inc.
+ *   BSD LICENSE
+ *
+ * Copyright (c) 2016-2017 Solarflare Communications Inc.
  * All rights reserved.
  *
  * This software was jointly developed between OKTET Labs (under contract
@@ -41,4 +43,14 @@
  */
 #define SFC_RX_REFILL_BULK     (RTE_CACHE_LINE_SIZE / sizeof(efx_qword_t))
 
+/**
+ * Make the transmit path reap at least one time per a burst;
+ * this improves cache locality because the same mbufs may be used to send
+ * subsequent bursts in certain cases because of well-timed reap
+ */
+#define SFC_TX_XMIT_PKTS_REAP_AT_LEAST_ONCE    0
+
+/** Default free threshold follows recommendations from DPDK documentation */
+#define SFC_TX_DEFAULT_FREE_THRESH     32
+
 #endif /* _SFC_TWEAK_H_ */