ethernet/sun/sunvnet_common.c

32 #include <asm/vio.h>
62 	ldc_disconnect(port->vio.lp);
69 int sunvnet_send_attr_common(struct vio_driver_state *vio)
71 	struct vnet_port *port = to_vnet_port(vio);
77 	err = vnet_port_alloc_tx_ring(to_vnet_port(vio));
85 	pkt.tag.sid = vio_send_sid(vio);
86 	if (vio_version_before(vio, 1, 2))
94 	if (vio_version_after(vio, 1, 3)) {
102 		if (vio_version_after_eq(vio, 1, 6))
104 	} else if (vio_version_before(vio, 1, 3)) {
111 	if (vio_version_after_eq(vio, 1, 7) && port->tso) {
128 	return vio_ldc_send(vio, &pkt, sizeof(pkt));
132 static int handle_attr_info(struct vio_driver_state *vio,
135 	struct vnet_port *port = to_vnet_port(vio);
148 	pkt->tag.sid = vio_send_sid(vio);
152 	if (vio_version_before(vio, 1, 2) && xfer_mode == VIO_DRING_MODE)
161 	if (vio_version_before(vio, 1, 3)) {
163 	} else if (vio_version_after(vio, 1, 3)) {
173 	if (vio_version_after_eq(vio, 1, 7))
194 	if (vio_version_after_eq(vio, 1, 6)) {
206 		(void)vio_ldc_send(vio, pkt, sizeof(*pkt));
222 	return vio_ldc_send(vio, pkt, sizeof(*pkt));
225 static int handle_attr_ack(struct vio_driver_state *vio,
233 static int handle_attr_nack(struct vio_driver_state *vio,
241 int sunvnet_handle_attr_common(struct vio_driver_state *vio, void *arg)
247 		return handle_attr_info(vio, pkt);
250 		return handle_attr_ack(vio, pkt);
253 		return handle_attr_nack(vio, pkt);
261 void sunvnet_handshake_complete_common(struct vio_driver_state *vio)
265 	dr = &vio->drings[VIO_DRIVER_RX_RING];
269 	dr = &vio->drings[VIO_DRIVER_TX_RING];
402 	err = ldc_copy(port->vio.lp, LDC_COPY_IN,
414 	if (vio_version_after_eq(&port->vio, 1, 8)) {
478 			.sid		= vio_send_sid(&port->vio),
491 		err = vio_ldc_send(&port->vio, &hdr, sizeof(hdr));
523 	struct vio_net_desc *desc = port->vio.desc_buf;
526 	err = ldc_get_dring_entry(port->vio.lp, desc, dr->entry_size,
542 	err = ldc_put_dring_entry(port->vio.lp, desc, dr->entry_size,
556 	struct vio_driver_state *vio = &port->vio;
577 	trace_vnet_rx_one(port->vio._local_sid, port->vio._peer_sid,
590 	struct vio_driver_state *vio = &port->vio;
629 		trace_vnet_tx_send_stopped_ack(port->vio._local_sid,
630 					       port->vio._peer_sid,
635 		trace_vnet_tx_defer_stopped_ack(port->vio._local_sid,
636 						port->vio._peer_sid,
648 	struct vio_dring_state *dr = &port->vio.drings[VIO_DRIVER_RX_RING];
649 	struct vio_driver_state *vio = &port->vio;
688 	struct vio_dring_state *dr = &port->vio.drings[VIO_DRIVER_TX_RING];
709 	trace_vnet_rx_stopped_ack(port->vio._local_sid,
710 				  port->vio._peer_sid, end);
774 	struct vio_driver_state *vio = &vnet->vio;
776 	return !!(vio->hs_state & VIO_HS_COMPLETE);
783 	struct vio_driver_state *vio = &port->vio;
801 		vio_link_state_change(vio, LDC_EVENT_RESET);
803 		vio_port_up(vio);
828 		vio_link_state_change(vio, LDC_EVENT_UP);
846 				&port->vio.drings[VIO_DRIVER_RX_RING];
856 			err = ldc_read(vio->lp, &msgbuf, sizeof(msgbuf));
859 					vio_conn_reset(vio);
869 			err = vio_validate_sid(vio, &msgbuf.tag);
900 				err = vio_control_pkt_engine(vio, &msgbuf);
917 	struct vio_driver_state *vio = &port->vio;
923 		vio_set_intr(vio->vdev->rx_ino, HV_INTR_ENABLED);
932 	struct vio_driver_state *vio = &port->vio;
935 	vio_set_intr(vio->vdev->rx_ino, HV_INTR_DISABLED);
942 	struct vio_dring_state *dr = &port->vio.drings[VIO_DRIVER_TX_RING];
948 			.sid		= vio_send_sid(&port->vio),
958 		trace_vnet_tx_pending_stopped_ack(port->vio._local_sid,
959 						  port->vio._peer_sid,
962 				    &port->vio.drings[VIO_DRIVER_RX_RING],
972 		err = vio_ldc_send(&port->vio, &hdr, sizeof(hdr));
983 	trace_vnet_tx_trigger(port->vio._local_sid,
984 			      port->vio._peer_sid, start, err);
992 	struct vio_dring_state *dr = &port->vio.drings[VIO_DRIVER_TX_RING];
1022 			ldc_unmap(port->vio.lp,
1226 	struct vio_dring_state *dr = &port->vio.drings[VIO_DRIVER_TX_RING];
1351 		if (vio_version_after_eq(&port->vio, 1, 3))
1378 	dr = &port->vio.drings[VIO_DRIVER_TX_RING];
1405 	err = vnet_skb_map(port->vio.lp, skb, port->tx_bufs[txi].cookies, 2,
1429 	if (vio_version_after_eq(&port->vio, 1, 7)) {
1438 		if (vio_version_after_eq(&port->vio, 1, 8) &&
1473 		trace_vnet_skip_tx_trigger(port->vio._local_sid,
1474 					   port->vio._peer_sid, dr->cons);
1597 	info.tag.sid = vio_send_sid(&port->vio);
1610 			(void)vio_ldc_send(&port->vio, &info,
1617 		(void)vio_ldc_send(&port->vio, &info, sizeof(info));
1635 			(void)vio_ldc_send(&port->vio, &info,
1645 		(void)vio_ldc_send(&port->vio, &info, sizeof(info));
1676 	dr = &port->vio.drings[VIO_DRIVER_TX_RING];
1690 		ldc_unmap(port->vio.lp,
1697 	ldc_free_exp_dring(port->vio.lp, dr->base,
1725 	dr = &port->vio.drings[VIO_DRIVER_TX_RING];
1729 	if (vio_version_after_eq(&port->vio, 1, 7))
1734 	dring = ldc_alloc_exp_dring(port->vio.lp, len,