s390/net/ctcm_mpc.c

831 		priv->xid->xid2_flag2 = 0x00;
959 		ch->xid = (struct xid2 *)skb_tail_pointer(ch->xid_skb);
969 		ch->xid->xid2_dlc_type =
974 			ch->xid->xid2_buf_len = 0x00;
1070 			 * BUT..this only applies if xid negot	*
1186 			mpcginfo->xid = thisxid;
1285 	/*  base xid for all channels in group  */
1290 	grp->xid = (struct xid2 *)skb_tail_pointer(grp->xid_skb);
1292 	grp->xid->xid2_adj_id = jiffies | 0xfff00000;
1293 	grp->xid->xid2_sender_id = jiffies;
1310 	priv->xid = grp->xid;
1535 	struct xid2	   *xid  = mpcginfo->xid;
1541 	CTCM_PR_DEBUG("Enter %s: xid=%p\n", __func__, xid);
1543 	if (xid == NULL) {
1545 		/* XID REJECTED: xid == NULL */
1547 			"%s(%s): xid = NULL",
1552 	CTCM_D3_DUMP((char *)xid, XID2_LENGTH);
1556 				XID2_READ_SIDE) != xid->xid2_dlc_type) {
1565 	if (xid->xid2_dlc_type == XID2_READ_SIDE) {
1567 				grp->group_max_buflen, xid->xid2_buf_len);
1570 						xid->xid2_buf_len - len)
1571 			grp->group_max_buflen = xid->xid2_buf_len - len;
1578 		skb_put_data(grp->rcvd_xid_skb, xid, XID2_LENGTH);
1585 		our_id = (__u64)priv->xid->xid2_adj_id;
1587 		our_id = our_id + priv->xid->xid2_sender_id;
1588 		their_id = (__u64)xid->xid2_adj_id;
1590 		their_id = their_id + xid->xid2_sender_id;
1605 		if (xid->xid2_flag4 != grp->saved_xid2->xid2_flag4) {
1607 			/* XID REJECTED: xid flag byte4 mismatch */
1609 				"%s(%s): xid flag byte4 mismatch",
1612 		if (xid->xid2_flag2 == 0x40) {
1614 			/* XID REJECTED - xid NOGOOD */
1616 				"%s(%s): xid NOGOOD",
1619 		if (xid->xid2_adj_id != grp->saved_xid2->xid2_adj_id) {
1626 		if (xid->xid2_sender_id != grp->saved_xid2->xid2_sender_id) {
1639 		priv->xid->xid2_flag2 = 0x40;
1699 	if (!(ch->xid_th && ch->xid && ch->xid_id))
1701 			"%s(%s): xid_th=%p, xid=%p, xid_id=%p",
1702 			CTCM_FUNTAIL, ch->id, ch->xid_th, ch->xid, ch->xid_id);
1713 		if (ch->xid == NULL)
1718 		ch->ccw[10].cda		= virt_to_dma32(ch->xid);
1751 		if (ch->xid == NULL)
1756 		ch->ccw[12].cda		= virt_to_dma32(ch->xid);
1774 	CTCM_D3_DUMP((char *)ch->xid, XID2_LENGTH);
1835 	if (ch->xid == NULL) {
1837 			"%s(%s): ch->xid == NULL",
1844 	ch->xid->xid2_option =	XID2_0;
1881 		struct xid2 *thisxid = ch->xid;
1955 	/* must change state before validating xid to */