[dpdk-dev] [PATCH v2 01/10] bnx2x: Set cache line based on build configuration

Chas Williams 3chas3 at gmail.com
Thu Sep 29 12:20:40 CEST 2016


Correctly hint the cache line size.  Remove unused macros associated
with the cache line size.

Fixes: 540a211084a7 ("bnx2x: driver core")

Signed-off-by: Chas Williams <3chas3 at gmail.com>
Acked-by: Harish Patil <harish.patil at qlogic.com>
---
 drivers/net/bnx2x/bnx2x.h | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/net/bnx2x/bnx2x.h b/drivers/net/bnx2x/bnx2x.h
index 78757a8..ed7c55f 100644
--- a/drivers/net/bnx2x/bnx2x.h
+++ b/drivers/net/bnx2x/bnx2x.h
@@ -304,10 +304,7 @@ struct bnx2x_device_type {
 /* TCP with Timestamp Option (32) + IPv6 (40) */
 
 /* max supported alignment is 256 (8 shift) */
-#define BNX2X_RX_ALIGN_SHIFT 8
-/* FW uses 2 cache lines alignment for start packet and size  */
-#define BNX2X_FW_RX_ALIGN_START (1 << BNX2X_RX_ALIGN_SHIFT)
-#define BNX2X_FW_RX_ALIGN_END   (1 << BNX2X_RX_ALIGN_SHIFT)
+#define BNX2X_RX_ALIGN_SHIFT	RTE_MAX(6, min(8, RTE_CACHE_LINE_SIZE_LOG2))
 
 #define BNX2X_PXP_DRAM_ALIGN (BNX2X_RX_ALIGN_SHIFT - 5)
 
-- 
2.7.4



More information about the dev mailing list