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net: cosmetic: Add a more explicit comment about 802.2

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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
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4
include/net.h
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@ -179,11 +179,11 @@ struct e802_hdr {
ushort et_prot; /* 802 protocol */ ushort et_prot; /* 802 protocol */
}; };
/* 802 ethernet header size */ /* 802 + SNAP + ethernet header size */
#define E802_HDR_SIZE (sizeof(struct e802_hdr)) #define E802_HDR_SIZE (sizeof(struct e802_hdr))
/* /*
* Ethernet header * Virtual LAN Ethernet header
*/ */
struct vlan_ethernet_hdr { struct vlan_ethernet_hdr {
uchar vet_dest[6]; /* Destination node */ uchar vet_dest[6]; /* Destination node */

3
net/net.c
View file

@ -898,7 +898,8 @@ NetReceive(uchar *inpkt, int len)
if (x < 1514) { if (x < 1514) {
struct e802_hdr *et802 = (struct e802_hdr *)et; 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); x = ntohs(et802->et_prot);