net/enic: report ring limits and preferred default values

[dpdk.git] / drivers / net / enic / enic_res.h

diff --git a/drivers/net/enic/enic_res.h b/drivers/net/enic/enic_res.h
index e68f1307bc85b24dd7a91b27e818f6118a2e98e4..6a3a0c5cc635843b7cedde028c88f1171de2b678 100644 (file)
--- a/drivers/net/enic/enic_res.h
+++ b/drivers/net/enic/enic_res.h
@@ -16,6 +16,10 @@
 #define ENIC_MIN_RQ_DESCS              64
 #define ENIC_MAX_RQ_DESCS              4096
 
+/* A descriptor ring has a multiple of 32 descriptors */
+#define ENIC_ALIGN_DESCS               32
+#define ENIC_ALIGN_DESCS_MASK          ~(ENIC_ALIGN_DESCS - 1)
+
 #define ENIC_MIN_MTU                   68
 
 /* Does not include (possible) inserted VLAN tag and FCS */
@@ -31,6 +35,14 @@
 #define ENIC_DEFAULT_RX_FREE_THRESH    32
 #define ENIC_TX_XMIT_MAX               64
 
+/* Defaults for dev_info.default_{rx,tx}portconf */
+#define ENIC_DEFAULT_RX_BURST          32
+#define ENIC_DEFAULT_RX_RINGS          1
+#define ENIC_DEFAULT_RX_RING_SIZE      512
+#define ENIC_DEFAULT_TX_BURST          32
+#define ENIC_DEFAULT_TX_RINGS          1
+#define ENIC_DEFAULT_TX_RING_SIZE      512
+
 #define ENIC_RSS_DEFAULT_CPU    0
 #define ENIC_RSS_BASE_CPU       0
 #define ENIC_RSS_HASH_BITS      7