i40e: fix alignment of HW descriptors number

[dpdk.git] / drivers / net / i40e / i40e_rxtx.h

diff --git a/drivers/net/i40e/i40e_rxtx.h b/drivers/net/i40e/i40e_rxtx.h
index c35828c..5c2f5c2 100644 (file)
--- a/drivers/net/i40e/i40e_rxtx.h
+++ b/drivers/net/i40e/i40e_rxtx.h
@@ -57,6 +57,12 @@
 #define I40E_RXBUF_SZ_1024 1024
 #define I40E_RXBUF_SZ_2048 2048
 
+/* In none-PXE mode QLEN must be whole number of 32 descriptors. */
+#define        I40E_ALIGN_RING_DESC    32
+
+#define        I40E_MIN_RING_DESC      64
+#define        I40E_MAX_RING_DESC      4096
+
 #undef container_of
 #define container_of(ptr, type, member) ({ \
                typeof(((type *)0)->member)(*__mptr) = (ptr); \