From a7c3d5e2a9f4d0feb1e21733434e6d29f5ac566b Mon Sep 17 00:00:00 2001 From: Bin Meng Date: Fri, 20 Mar 2015 17:12:18 +0800 Subject: 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 Acked-by: Joe Hershberger --- drivers/net/e1000.h | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to '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 @@ struct e1000_phy_stats { #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 */ -- cgit v1.1