Commit a7c3d5e2 authored by Bin Meng's avatar Bin Meng Committed by Simon Glass

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: default avatarBin Meng <bmeng.cn@gmail.com>
Acked-by: default avatarJoe Hershberger <joe.hershberger@ni.com>
parent e4ad6031
......@@ -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 */
......
......@@ -68,7 +68,6 @@ unsigned packet_received, packet_sent;
#define ETH_ZLEN 60 /* Min. octets in frame sans FCS */
#define ETH_DATA_LEN 1500 /* Max. octets in payload */
#define ETH_FRAME_LEN PKTSIZE_ALIGN /* Max. octets in frame sans FCS */
#define ETH_FCS_LEN 4 /* Octets in the FCS */
#define DRIVER_DESC "Ethernet Gadget"
/* Based on linux 2.6.27 version */
......
......@@ -43,7 +43,6 @@
#define ETH_ZLEN 60 /* Min. octets in frame sans FCS */
#define ETH_DATA_LEN 1500 /* Max. octets in payload */
#define ETH_FRAME_LEN PKTSIZE_ALIGN /* Max. octets in frame sans FCS */
#define ETH_FCS_LEN 4 /* Octets in the FCS */
#define ENOTSUPP 524 /* Operation is not supported */
......
......@@ -191,6 +191,8 @@ struct ethernet_hdr {
/* Ethernet header size */
#define ETHER_HDR_SIZE (sizeof(struct ethernet_hdr))
#define ETH_FCS_LEN 4 /* Octets in the FCS */
struct e802_hdr {
uchar et_dest[6]; /* Destination node */
uchar et_src[6]; /* Source node */
......
......@@ -18,7 +18,6 @@
#define ETH_ZLEN 60 /* Min. octets in frame sans FCS */
#define ETH_DATA_LEN 1500 /* Max. octets in payload */
#define ETH_FRAME_LEN PKTSIZE_ALIGN /* Max. octets in frame sans FCS */
#define ETH_FCS_LEN 4 /* Octets in the FCS */
struct ueth_data {
/* eth info */
......
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