net: cosmetic: Add a more explicit comment about 802.2

Make the comment more accurate about the header including SNAP

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Joe Hershberger 2012-05-23 07:58:11 +00:00
parent 206d07fd7c
commit da5ebe2c9a
2 changed files with 4 additions and 3 deletions

View file

@ -179,11 +179,11 @@ struct e802_hdr {
ushort et_prot; /* 802 protocol */
};
/* 802 ethernet header size */
/* 802 + SNAP + ethernet header size */
#define E802_HDR_SIZE (sizeof(struct e802_hdr))
/*
* Ethernet header
* Virtual LAN Ethernet header
*/
struct vlan_ethernet_hdr {
uchar vet_dest[6]; /* Destination node */

View file

@ -898,7 +898,8 @@ NetReceive(uchar *inpkt, int len)
if (x < 1514) {
struct e802_hdr *et802 = (struct e802_hdr *)et;
/*
* Got a 802 packet. Check the other protocol field.
* Got a 802.2 packet. Check the other protocol field.
* XXX VLAN over 802.2+SNAP not implemented!
*/
x = ntohs(et802->et_prot);