193 static inline struct sierra_net_data *sierra_net_get_private(struct usbnet *dev)  in sierra_net_get_private()  argument
195 	return (struct sierra_net_data *)dev->data[0];  in sierra_net_get_private()
199 static inline void sierra_net_set_private(struct usbnet *dev,  in sierra_net_set_private()  argument
202 	dev->data[0] = (unsigned long)priv;  in sierra_net_set_private()
217 static int check_ethip_packet(struct sk_buff *skb, struct usbnet *dev)  in check_ethip_packet()  argument
222 		netdev_err(dev->net, "Non linear buffer-dropping\n");  in check_ethip_packet()
319 static int sierra_net_send_cmd(struct usbnet *dev,  in sierra_net_send_cmd()  argument
322 	struct sierra_net_data *priv = sierra_net_get_private(dev);  in sierra_net_send_cmd()
325 	status = usbnet_write_cmd(dev, USB_CDC_SEND_ENCAPSULATED_COMMAND,  in sierra_net_send_cmd()
330 		netdev_err(dev->net, "Submit %s failed %d\n", cmd_name, status);  in sierra_net_send_cmd()
335 static int sierra_net_send_sync(struct usbnet *dev)  in sierra_net_send_sync()  argument
338 	struct sierra_net_data *priv = sierra_net_get_private(dev);  in sierra_net_send_sync()
340 	dev_dbg(&dev->udev->dev, "%s", __func__);  in sierra_net_send_sync()
342 	status = sierra_net_send_cmd(dev, priv->sync_msg,  in sierra_net_send_sync()
350 	dev_dbg(&(priv->usbnet->udev->dev), "%s %d", __func__, ctx_ix);  in sierra_net_set_ctx_index()
357 static int sierra_net_parse_lsi(struct usbnet *dev, char *data, int datalen)  in sierra_net_parse_lsi()  argument
363 		netdev_err(dev->net, "%s: Data length %d, exp >= %zu\n",  in sierra_net_parse_lsi()
370 		netdev_err(dev->net, "Session idle, 0x%02x\n",  in sierra_net_parse_lsi()
382 			netdev_err(dev->net, "Link type unsupported: 0x%02x\n",  in sierra_net_parse_lsi()
390 		netdev_err(dev->net, "Protocol unsupported, 0x%02x\n",  in sierra_net_parse_lsi()
396 		netdev_err(dev->net, "%s: LSI_UMTS_STATUS_LEN %d, exp %u\n",  in sierra_net_parse_lsi()
404 		netdev_err(dev->net, "No coverage, 0x%02x\n", lsi->coverage);  in sierra_net_parse_lsi()
412 static void sierra_net_handle_lsi(struct usbnet *dev, char *data,  in sierra_net_handle_lsi()  argument
415 	struct sierra_net_data *priv = sierra_net_get_private(dev);  in sierra_net_handle_lsi()
418 	link_up = sierra_net_parse_lsi(dev, data + hh->hdrlen,  in sierra_net_handle_lsi()
421 		netdev_err(dev->net, "Invalid LSI\n");  in sierra_net_handle_lsi()
430 	usbnet_link_change(dev, link_up, 0);  in sierra_net_handle_lsi()
433 static void sierra_net_dosync(struct usbnet *dev)  in sierra_net_dosync()  argument
436 	struct sierra_net_data *priv = sierra_net_get_private(dev);  in sierra_net_dosync()
438 	dev_dbg(&dev->udev->dev, "%s", __func__);  in sierra_net_dosync()
448 	status = sierra_net_send_sync(dev);  in sierra_net_dosync()
450 		netdev_err(dev->net,  in sierra_net_dosync()
452 	status = sierra_net_send_sync(dev);  in sierra_net_dosync()
454 		netdev_err(dev->net,  in sierra_net_dosync()
466 	struct usbnet *dev = priv->usbnet;  in sierra_net_kevent()  local
481 		len = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),  in sierra_net_kevent()
488 			netdev_err(dev->net,  in sierra_net_kevent()
493 			dev_dbg(&dev->udev->dev, "%s: Received status message,"  in sierra_net_kevent()
498 				netdev_err(dev->net, "%s: Bad packet,"  in sierra_net_kevent()
506 				netdev_err(dev->net, "%s: Bad packet, received"  in sierra_net_kevent()
516 				dev_dbg(&dev->udev->dev, "LSI for ctx:%d",  in sierra_net_kevent()
518 				sierra_net_handle_lsi(dev, buf, &hh);  in sierra_net_kevent()
521 				dev_dbg(&dev->udev->dev, "Restart reported: %d,"  in sierra_net_kevent()
530 				dev_dbg(&dev->udev->dev, "SYNC received");  in sierra_net_kevent()
531 				err = sierra_net_send_sync(dev);  in sierra_net_kevent()
533 					netdev_err(dev->net,  in sierra_net_kevent()
537 				netdev_err(dev->net, "Unrecognized HIP msg, "  in sierra_net_kevent()
544 				netdev_err(dev->net, "Unrecognized HIP msg, "  in sierra_net_kevent()
554 		dev_dbg(&dev->udev->dev, "Deferred sync timer expiry");  in sierra_net_kevent()
559 		dev_dbg(&dev->udev->dev, "sierra_net_kevent done, "  in sierra_net_kevent()
563 static void sierra_net_defer_kevent(struct usbnet *dev, int work)  in sierra_net_defer_kevent()  argument
565 	struct sierra_net_data *priv = sierra_net_get_private(dev);  in sierra_net_defer_kevent()
577 	struct usbnet *dev = priv->usbnet;  in sierra_sync_timer()  local
579 	dev_dbg(&dev->udev->dev, "%s", __func__);  in sierra_sync_timer()
581 	sierra_net_defer_kevent(dev, SIERRA_NET_TIMER_EXPIRY);  in sierra_sync_timer()
584 static void sierra_net_status(struct usbnet *dev, struct urb *urb)  in sierra_net_status()  argument
588 	dev_dbg(&dev->udev->dev, "%s", __func__);  in sierra_net_status()
601 		sierra_net_defer_kevent(dev, SIERRA_NET_EVENT_RESP_AVAIL);  in sierra_net_status()
604 		netdev_err(dev->net, ": unexpected notification %02x!\n",  in sierra_net_status()
621 	struct usbnet *dev = netdev_priv(net);  in sierra_net_get_link()  local
623 	return sierra_net_get_private(dev)->link_up && netif_running(net);  in sierra_net_get_link()
636 static int sierra_net_get_fw_attr(struct usbnet *dev, u16 *datap)  in sierra_net_get_fw_attr()  argument
641 	result = usbnet_read_cmd(dev,  in sierra_net_get_fw_attr()
661 static int sierra_net_bind(struct usbnet *dev, struct usb_interface *intf)  in sierra_net_bind()  argument
674 	dev_dbg(&dev->udev->dev, "%s", __func__);  in sierra_net_bind()
680 		dev_err(&dev->udev->dev, "Expected 3 endpoints, found: %d",  in sierra_net_bind()
685 	dev->status = NULL;  in sierra_net_bind()
686 	status = usbnet_get_endpoints(dev, intf);  in sierra_net_bind()
688 		dev_err(&dev->udev->dev, "Error in usbnet_get_endpoints (%d)",  in sierra_net_bind()
697 	priv->usbnet = dev;  in sierra_net_bind()
699 	dev->net->netdev_ops = &sierra_net_device_ops;  in sierra_net_bind()
704 	dev_addr_mod(dev->net, ETH_ALEN - 2, mod, 2);  in sierra_net_bind()
715 	dev->rx_urb_size  = SIERRA_NET_RX_URB_SIZE;  in sierra_net_bind()
716 	if (dev->udev->speed != USB_SPEED_HIGH)  in sierra_net_bind()
717 		dev->rx_urb_size  = min_t(size_t, 4096, SIERRA_NET_RX_URB_SIZE);  in sierra_net_bind()
719 	dev->net->hard_header_len += SIERRA_NET_HIP_EXT_HDR_LEN;  in sierra_net_bind()
720 	dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;  in sierra_net_bind()
721 	dev->net->max_mtu = SIERRA_NET_MAX_SUPPORTED_MTU;  in sierra_net_bind()
724 	dev->net->flags |= IFF_NOARP;  in sierra_net_bind()
725 	dev->net->ethtool_ops = &sierra_net_ethtool_ops;  in sierra_net_bind()
726 	netif_carrier_off(dev->net);  in sierra_net_bind()
728 	sierra_net_set_private(dev, priv);  in sierra_net_bind()
739 	status = sierra_net_get_fw_attr(dev, &fwattr);  in sierra_net_bind()
740 	dev_dbg(&dev->udev->dev, "Fw attr: %x\n", fwattr);  in sierra_net_bind()
745 		dev_err(&dev->udev->dev, "Incompatible driver and firmware"  in sierra_net_bind()
754 static void sierra_net_unbind(struct usbnet *dev, struct usb_interface *intf)  in sierra_net_unbind()  argument
757 	struct sierra_net_data *priv = sierra_net_get_private(dev);  in sierra_net_unbind()
759 	dev_dbg(&dev->udev->dev, "%s", __func__);  in sierra_net_unbind()
766 	status = sierra_net_send_cmd(dev, priv->shdwn_msg,  in sierra_net_unbind()
769 		netdev_err(dev->net,  in sierra_net_unbind()
772 	usbnet_status_stop(dev);  in sierra_net_unbind()
774 	sierra_net_set_private(dev, NULL);  in sierra_net_unbind()
778 static struct sk_buff *sierra_net_skb_clone(struct usbnet *dev,  in sierra_net_skb_clone()  argument
793 		if (netif_msg_rx_err(dev))  in sierra_net_skb_clone()
794 			netdev_err(dev->net, "failed to get skb\n");  in sierra_net_skb_clone()
795 		dev->net->stats.rx_dropped++;  in sierra_net_skb_clone()
802 static int sierra_net_rx_fixup(struct usbnet *dev, struct sk_buff *skb)  in sierra_net_rx_fixup()  argument
808 	dev_dbg(&dev->udev->dev, "%s", __func__);  in sierra_net_rx_fixup()
814 			if (netif_msg_rx_err(dev))  in sierra_net_rx_fixup()
815 				netdev_err(dev->net, "Invalid HIP header %d\n",  in sierra_net_rx_fixup()
818 			dev->net->stats.rx_length_errors++;  in sierra_net_rx_fixup()
825 			if (netif_msg_rx_err(dev))  in sierra_net_rx_fixup()
826 				netdev_err(dev->net, "HIP/ETH: Invalid pkt\n");  in sierra_net_rx_fixup()
828 			dev->net->stats.rx_frame_errors++;  in sierra_net_rx_fixup()
842 		memcpy(eth_hdr(skb)->h_dest, dev->net->dev_addr, ETH_ALEN);  in sierra_net_rx_fixup()
848 		new_skb = sierra_net_skb_clone(dev, skb, hh.payload_len.word);  in sierra_net_rx_fixup()
850 			usbnet_skb_return(dev, new_skb);  in sierra_net_rx_fixup()
858 static struct sk_buff *sierra_net_tx_fixup(struct usbnet *dev,  in sierra_net_tx_fixup()  argument
861 	struct sierra_net_data *priv = sierra_net_get_private(dev);  in sierra_net_tx_fixup()
868 	dev_dbg(&dev->udev->dev, "%s", __func__);  in sierra_net_tx_fixup()
869 	if (priv->link_up && check_ethip_packet(skb, dev) && is_ip(skb)) {  in sierra_net_tx_fixup()
877 				% dev->maxpacket == 0);  in sierra_net_tx_fixup()
880 					netdev_err(dev->net, "tx_fixup:"  in sierra_net_tx_fixup()
896 			netdev_err(dev->net, "tx_fixup: no room for HIP\n");  in sierra_net_tx_fixup()
901 		dev->net->stats.tx_carrier_errors++;  in sierra_net_tx_fixup()
927 		struct usbnet *dev = usb_get_intfdata(udev);  in sierra_net_probe()  local
929 		ret = usbnet_status_start(dev, GFP_KERNEL);  in sierra_net_probe()
932 			sierra_net_dosync(dev);  in sierra_net_probe()