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authorBin Meng <bmeng.cn@gmail.com>2015-03-20 17:12:18 +0800
committerSimon Glass <sjg@chromium.org>2015-03-24 21:22:37 -0600
commita7c3d5e2a9f4d0feb1e21733434e6d29f5ac566b (patch)
treebd9b383da9a97783b1c60fcc99c9851c33ccdb50 /include/net.h
parente4ad6031a79fb3182613f95423ebcd771309679d (diff)
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>
Diffstat (limited to 'include/net.h')
-rw-r--r--include/net.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net.h b/include/net.h
index 43e3d28729e..237c932be33 100644
--- a/include/net.h
+++ b/include/net.h
@@ -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 */