commit a7c3d5e2a9f4d0feb1e21733434e6d29f5ac566b
author Bin Meng <bmeng.cn@gmail.com> Fri Mar 20 17:12:18 2015 +0800
committer Simon Glass <sjg@chromium.org> Tue Mar 24 21:22:37 2015 -0600
tree bd9b383da9a97783b1c60fcc99c9851c33ccdb50
parent e4ad6031a79fb3182613f95423ebcd771309679d

net: Add ethernet FCS length macro in net.h

Some ethernet drivers use their own version of ethernet FCS length
macro which is really common. We define ETH_FCS_LEN in net.h and
replace those custom versions in various places.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>

drivers/net/e1000.h

diff --git a/drivers/net/e1000.h b/drivers/net/e1000.h
index 6d110eb..f3b77b1 100644
--- a/drivers/net/e1000.h
+++ b/drivers/net/e1000.h
@@ -430,12 +430,11 @@
 #define ENET_HEADER_SIZE	     14
 #define MAXIMUM_ETHERNET_FRAME_SIZE  1518	/* With FCS */
 #define MINIMUM_ETHERNET_FRAME_SIZE  64	/* With FCS */
-#define ETHERNET_FCS_SIZE	     4
 #define MAXIMUM_ETHERNET_PACKET_SIZE \
-    (MAXIMUM_ETHERNET_FRAME_SIZE - ETHERNET_FCS_SIZE)
+	(MAXIMUM_ETHERNET_FRAME_SIZE - ETH_FCS_LEN)
 #define MINIMUM_ETHERNET_PACKET_SIZE \
-    (MINIMUM_ETHERNET_FRAME_SIZE - ETHERNET_FCS_SIZE)
-#define CRC_LENGTH		     ETHERNET_FCS_SIZE
+	(MINIMUM_ETHERNET_FRAME_SIZE - ETH_FCS_LEN)
+#define CRC_LENGTH		     ETH_FCS_LEN
 #define MAX_JUMBO_FRAME_SIZE	     0x3F00
 
 /* 802.1q VLAN Packet Sizes */