taglinefilesource code
mac228net/inet/ip.cint mac = 0;
mac238net/inet/ip.cmac = dev->hard_header(skb->data, dev, ETH_P_IP, NULL, NULL, len, skb);
mac239net/inet/ip.cif (mac < 0) 
mac241net/inet/ip.cmac = -mac;
mac246net/inet/ip.creturn mac;
mac736net/inet/ip.ckfree_s(qp->mac, qp->maclen);
mac807net/inet/ip.cqp->mac = (unsigned char *) kmalloc(maclen, GFP_ATOMIC);
mac808net/inet/ip.cif (qp->mac == NULL) 
mac824net/inet/ip.ckfree_s(qp->mac, maclen);
mac830net/inet/ip.cmemcpy(qp->mac, skb->data, maclen);
mac923net/inet/ip.cmemcpy(ptr, ((unsigned char *) qp->mac), qp->maclen);
mac53net/inet/ip.hunsigned char    *mac;    /* pointer to MAC header    */