* Fills MAC header fields, depending on MAC type. Returns 0, If MAC type
* is a valid type and initialization completes correctly 1, otherwise.
*/
-int llc_mac_hdr_init(struct sk_buff *skb, unsigned char *sa, unsigned char *da)
+int llc_mac_hdr_init(struct sk_buff *skb,
+ const unsigned char *sa, const unsigned char *da)
{
int rc = 0;
case ARPHRD_IEEE802_TR: {
struct net_device *dev = skb->dev;
struct trh_hdr *trh;
-
+
skb->mac.raw = skb_push(skb, sizeof(*trh));
trh = tr_hdr(skb);
trh->ac = AC;