Cross Reference: /src/sys/dev/pci/xmm7360.c

Lines Matching defs:xn
1091 static void xmm7360_mux_frame_init(struct xmm_net *xn, struct mux_frame *frame, int sequence)
1093 	frame->sequence = xn->sequence;
1094 	frame->max_size = xn->xmm->td_ring[0].page_size;
1189 static int xmm7360_mux_control(struct xmm_net *xn, u32 arg1, u32 arg2, u32 arg3, u32 arg4)
1191 	struct mux_frame *frame = &xn->frame;
1196 	spin_lock_irqsave(&xn->lock, flags);
1198 	xmm7360_mux_frame_init(xn, frame, 0);
1200 	xmm7360_mux_frame_add_tag(frame, XMM_TAG_CMDH, xn->channel, cmdh_args, sizeof(cmdh_args));
1201 	ret = xmm7360_mux_frame_push(xn->xmm, frame);
1203 	spin_unlock_irqrestore(&xn->lock, flags);
1208 static void xmm7360_net_flush(struct xmm_net *xn)
1210 	struct mux_frame *frame = &xn->frame;
1216 	BUG_ON(skb_queue_empty(&xn->queue));
1218 	BUG_ON(!xmm7360_qp_can_write(xn->qp));
1220 	xmm7360_mux_frame_init(xn, frame, xn->sequence++);
1223 	xmm7360_os_handle_net_dequeue(xn, frame);
1224 	xn->queued_packets = xn->queued_bytes = 0;
1226 	xmm7360_mux_frame_add_tag(frame, XMM_TAG_ADTH, xn->channel, &unknown, sizeof(uint32_t));
1229 	ret = xmm7360_mux_frame_push(xn->xmm, frame);
1236 	dev_err(xn->xmm->dev, "Failed to ship coalesced frame");
1275 static void xmm7360_net_mux_handle_frame(struct xmm_net *xn, u8 *data, int len)
1287 		dev_info(xn->xmm->dev, "Unexpected tag %x\n", first->tag);
1293 		dev_err(xn->xmm->dev, "Unexpected tag %x, expected ADTH\n", adth->tag);
1305 		xmm7360_os_handle_net_frame(xn->xmm,
1315 	struct xmm_net *xn = xmm->net;
1318 	BUG_ON(!xn);
1320 	qp = xn->qp;
1323 	spin_lock_irqsave(&xn->lock, flags);
1326 		xmm7360_os_handle_net_txwake(xn);
1331 		xmm7360_net_mux_handle_frame(xn, ring->pages[idx], nread);
1338 	spin_unlock_irqrestore(&xn->lock, flags);
1349 	struct xmm_net *xn = netdev_priv(dev);
1350 	xn->queued_packets = xn->queued_bytes = 0;
1351 	skb_queue_purge(&xn->queue);
1353 	return xmm7360_mux_control(xn, 1, 0, 0, 0);
1362 static int xmm7360_net_must_flush(struct xmm_net *xn, int new_packet_bytes)
1365 	if (xn->queued_packets >= MUX_MAX_PACKETS)
1368 	frame_size = sizeof(struct mux_first_header) + xn->queued_bytes + sizeof(struct mux_next_header) + 4 + sizeof(struct mux_bounds)*xn->queued_packets;
1372 	return frame_size > xn->frame.max_size;
1377 	struct xmm_net *xn = container_of(t, struct xmm_net, deadline);
1379 	spin_lock_irqsave(&xn->lock, flags);
1380 	if (!skb_queue_empty(&xn->queue) && xmm7360_qp_can_write(xn->qp))
1381 		xmm7360_net_flush(xn);
1382 	spin_unlock_irqrestore(&xn->lock, flags);
1388 	struct xmm_net *xn = netdev_priv(dev);
1397 	spin_lock_irqsave(&xn->lock, flags);
1398 	if (xmm7360_net_must_flush(xn, skb->len)) {
1399 		if (xmm7360_qp_can_write(xn->qp)) {
1400 			xmm7360_net_flush(xn);
1403 			spin_unlock_irqrestore(&xn->lock, flags);
1408 	xn->queued_packets++;
1409 	xn->queued_bytes += 16 + skb->len;
1410 	skb_queue_tail(&xn->queue, skb);
1412 	spin_unlock_irqrestore(&xn->lock, flags);
1414 	if (!hrtimer_active(&xn->deadline)) {
1416 		hrtimer_start(&xn->deadline, kt, HRTIMER_MODE_REL);
1450 static void xmm7360_os_handle_net_dequeue(struct xmm_net *xn, struct mux_frame *frame)
1455 	while ((skb = skb_dequeue(&xn->queue))) {
1466 static void xmm7360_os_handle_net_txwake(struct xmm_net *xn)
1468 	BUG_ON(!xmm7360_qp_can_write(xn->qp));
1470 	if (netif_queue_stopped(xn->xmm->netdev))
1471 		netif_wake_queue(xn->xmm->netdev);
1483 	struct xmm_net *xn = netdev_priv(dev);
1484 	spin_lock_init(&xn->lock);
1485 	hrtimer_init(&xn->deadline, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
1486 	xn->deadline.function = xmm7360_net_deadline_cb;
1487 	skb_queue_head_init(&xn->queue);
1506 	struct xmm_net *xn;
1518 	xn = netdev_priv(netdev);
1519 	xn->xmm = xmm;
1520 	xmm->net = xn;
1526 	xn->qp = xmm7360_init_qp(xmm, num, 128, TD_MAX_PAGE_SIZE);
1529 		ret = xmm7360_qp_start(xn->qp);
1534 		xmm7360_qp_stop(xn->qp);
2960 xmm7360_os_handle_net_dequeue(struct xmm_net *xn, struct mux_frame *frame)
2963 		container_of(xn, struct wwan_softc, sc_xmm_net);
2968 	MUTEX_ASSERT_LOCKED(&xn->lock);
3001 static void xmm7360_os_handle_net_txwake(struct xmm_net *xn)
3004 		container_of(xn, struct wwan_softc, sc_xmm_net);
3007 	MUTEX_ASSERT_LOCKED(&xn->lock);
3009 	KASSERT(xmm7360_qp_can_write(xn->qp));
3227 	struct xmm_net *xn;
3232 	xn = &sc_if->sc_xmm_net;
3233 	mutex_init(&xn->lock);
3236 	xn->qp = &xmm->qp[0];
3237 	xmm7360_qp_start(xn->qp);
3238 	xmm->net = xn;
3248 	IFQ_SET_MAXLEN(&ifp->if_snd, xn->qp->depth);
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