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Commit ae223cd4 authored by Bjørn Mork's avatar Bjørn Mork Committed by David S. Miller
Browse files

net: cdc_ncm: use netif_* and dev_* instead of pr_* 



Take advantage of standard device name prefixing and
netdevice msglvl control where possible.

Cc: Alexey Orishko <alexey.orishko@gmail.com>
Signed-off-by: default avatarBjørn Mork <bjorn@mork.no>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a26fd05d

drivers/net/usb/cdc_ncm.c

+48 −50
Original line number Diff line number Diff line
@@ -87,7 +87,7 @@ static u8 cdc_ncm_setup(struct usbnet *dev) 
			      0, iface_no, &ncm_parm,

			      sizeof(ncm_parm));

	if (err < 0) {

		pr_debug("failed GET_NTB_PARAMETERS\n");

		dev_dbg(&dev->intf->dev, "failed GET_NTB_PARAMETERS\n");

		return 1;

	}
@@ -115,9 +115,8 @@ static u8 cdc_ncm_setup(struct usbnet *dev) 
		flags = 0;

	}



	pr_debug("dwNtbInMaxSize=%u dwNtbOutMaxSize=%u "

		 "wNdpOutPayloadRemainder=%u wNdpOutDivisor=%u "

		 "wNdpOutAlignment=%u wNtbOutMaxDatagrams=%u flags=0x%x\n",

	dev_dbg(&dev->intf->dev,

		"dwNtbInMaxSize=%u dwNtbOutMaxSize=%u wNdpOutPayloadRemainder=%u wNdpOutDivisor=%u wNdpOutAlignment=%u wNtbOutMaxDatagrams=%u flags=0x%x\n",

		ctx->rx_max, ctx->tx_max, ctx->tx_remainder, ctx->tx_modulus,

		ctx->tx_ndp_modulus, ctx->tx_max_datagrams, flags);
@@ -128,13 +127,13 @@ static u8 cdc_ncm_setup(struct usbnet *dev) 


	/* verify maximum size of received NTB in bytes */

	if (ctx->rx_max < USB_CDC_NCM_NTB_MIN_IN_SIZE) {

		pr_debug("Using min receive length=%d\n",

		dev_dbg(&dev->intf->dev, "Using min receive length=%d\n",

			USB_CDC_NCM_NTB_MIN_IN_SIZE);

		ctx->rx_max = USB_CDC_NCM_NTB_MIN_IN_SIZE;

	}



	if (ctx->rx_max > CDC_NCM_NTB_MAX_SIZE_RX) {

		pr_debug("Using default maximum receive length=%d\n",

		dev_dbg(&dev->intf->dev, "Using default maximum receive length=%d\n",

			CDC_NCM_NTB_MAX_SIZE_RX);

		ctx->rx_max = CDC_NCM_NTB_MAX_SIZE_RX;

	}
@@ -148,14 +147,14 @@ static u8 cdc_ncm_setup(struct usbnet *dev) 
				       | USB_RECIP_INTERFACE,

				       0, iface_no, &dwNtbInMaxSize, 4);

		if (err < 0)

			pr_debug("Setting NTB Input Size failed\n");

			dev_dbg(&dev->intf->dev, "Setting NTB Input Size failed\n");

	}



	/* verify maximum size of transmitted NTB in bytes */

	if ((ctx->tx_max <

	    (min_hdr_size + min_dgram_size)) ||

	    (ctx->tx_max > CDC_NCM_NTB_MAX_SIZE_TX)) {

		pr_debug("Using default maximum transmit length=%d\n",

		dev_dbg(&dev->intf->dev, "Using default maximum transmit length=%d\n",

			CDC_NCM_NTB_MAX_SIZE_TX);

		ctx->tx_max = CDC_NCM_NTB_MAX_SIZE_TX;
@@ -178,7 +177,7 @@ static u8 cdc_ncm_setup(struct usbnet *dev) 


	if ((val < USB_CDC_NCM_NDP_ALIGN_MIN_SIZE) ||

	    (val != ((-val) & val)) || (val >= ctx->tx_max)) {

		pr_debug("Using default alignment: 4 bytes\n");

		dev_dbg(&dev->intf->dev, "Using default alignment: 4 bytes\n");

		ctx->tx_ndp_modulus = USB_CDC_NCM_NDP_ALIGN_MIN_SIZE;

	}
@@ -192,13 +191,13 @@ static u8 cdc_ncm_setup(struct usbnet *dev) 


	if ((val < USB_CDC_NCM_NDP_ALIGN_MIN_SIZE) ||

	    (val != ((-val) & val)) || (val >= ctx->tx_max)) {

		pr_debug("Using default transmit modulus: 4 bytes\n");

		dev_dbg(&dev->intf->dev, "Using default transmit modulus: 4 bytes\n");

		ctx->tx_modulus = USB_CDC_NCM_NDP_ALIGN_MIN_SIZE;

	}



	/* verify the payload remainder */

	if (ctx->tx_remainder >= ctx->tx_modulus) {

		pr_debug("Using default transmit remainder: 0 bytes\n");

		dev_dbg(&dev->intf->dev, "Using default transmit remainder: 0 bytes\n");

		ctx->tx_remainder = 0;

	}
@@ -216,7 +215,7 @@ static u8 cdc_ncm_setup(struct usbnet *dev) 
				       USB_CDC_NCM_CRC_NOT_APPENDED,

				       iface_no, NULL, 0);

		if (err < 0)

			pr_debug("Setting CRC mode off failed\n");

			dev_dbg(&dev->intf->dev, "Setting CRC mode off failed\n");

	}



	/* set NTB format, if both formats are supported */
@@ -227,7 +226,7 @@ static u8 cdc_ncm_setup(struct usbnet *dev) 
				       USB_CDC_NCM_NTB16_FORMAT,

				       iface_no, NULL, 0);

		if (err < 0)

			pr_debug("Setting NTB format to 16-bit failed\n");

			dev_dbg(&dev->intf->dev, "Setting NTB format to 16-bit failed\n");

	}



	ctx->max_datagram_size = min_dgram_size;
@@ -248,7 +247,7 @@ static u8 cdc_ncm_setup(struct usbnet *dev) 
				      | USB_RECIP_INTERFACE,

				      0, iface_no, &max_datagram_size, 2);

		if (err < 0) {

			pr_debug("GET_MAX_DATAGRAM_SIZE failed, use size=%u\n",

			dev_dbg(&dev->intf->dev, "GET_MAX_DATAGRAM_SIZE failed, use size=%u\n",

				min_dgram_size);

		} else {

			ctx->max_datagram_size =
@@ -275,7 +274,7 @@ static u8 cdc_ncm_setup(struct usbnet *dev) 
						iface_no, &max_datagram_size,

						2);

				if (err < 0)

					pr_debug("SET_MAX_DGRAM_SIZE failed\n");

					dev_dbg(&dev->intf->dev, "SET_MAX_DGRAM_SIZE failed\n");

			}

		}

	}
@@ -867,6 +866,7 @@ error: 
/* verify NTB header and return offset of first NDP, or negative error */

int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in)

{

	struct usbnet *dev = netdev_priv(skb_in->dev);

	struct usb_cdc_ncm_nth16 *nth16;

	int len;

	int ret = -EINVAL;
@@ -876,7 +876,7 @@ int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in) 


	if (skb_in->len < (sizeof(struct usb_cdc_ncm_nth16) +

					sizeof(struct usb_cdc_ncm_ndp16))) {

		pr_debug("frame too short\n");

		netif_dbg(dev, rx_err, dev->net, "frame too short\n");

		goto error;

	}
@@ -890,7 +890,8 @@ int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in) 


	len = le16_to_cpu(nth16->wBlockLength);

	if (len > ctx->rx_max) {

		pr_debug("unsupported NTB block length %u/%u\n", len,

		netif_dbg(dev, rx_err, dev->net,

			  "unsupported NTB block length %u/%u\n", len,

			  ctx->rx_max);

		goto error;

	}
@@ -898,7 +899,8 @@ int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in) 
	if ((ctx->rx_seq + 1) != le16_to_cpu(nth16->wSequence) &&

	    (ctx->rx_seq || le16_to_cpu(nth16->wSequence)) &&

	    !((ctx->rx_seq == 0xffff) && !le16_to_cpu(nth16->wSequence))) {

		pr_debug("sequence number glitch prev=%d curr=%d\n",

		netif_dbg(dev, rx_err, dev->net,

			  "sequence number glitch prev=%d curr=%d\n",

			  ctx->rx_seq, le16_to_cpu(nth16->wSequence));

	}

	ctx->rx_seq = le16_to_cpu(nth16->wSequence);
@@ -912,17 +914,19 @@ EXPORT_SYMBOL_GPL(cdc_ncm_rx_verify_nth16); 
/* verify NDP header and return number of datagrams, or negative error */

int cdc_ncm_rx_verify_ndp16(struct sk_buff *skb_in, int ndpoffset)

{

	struct usbnet *dev = netdev_priv(skb_in->dev);

	struct usb_cdc_ncm_ndp16 *ndp16;

	int ret = -EINVAL;



	if ((ndpoffset + sizeof(struct usb_cdc_ncm_ndp16)) > skb_in->len) {

		pr_debug("invalid NDP offset  <%u>\n", ndpoffset);

		netif_dbg(dev, rx_err, dev->net, "invalid NDP offset  <%u>\n",

			  ndpoffset);

		goto error;

	}

	ndp16 = (struct usb_cdc_ncm_ndp16 *)(skb_in->data + ndpoffset);



	if (le16_to_cpu(ndp16->wLength) < USB_CDC_NCM_NDP16_LENGTH_MIN) {

		pr_debug("invalid DPT16 length <%u>\n",

		netif_dbg(dev, rx_err, dev->net, "invalid DPT16 length <%u>\n",

			  le16_to_cpu(ndp16->wLength));

		goto error;

	}
@@ -932,9 +936,9 @@ int cdc_ncm_rx_verify_ndp16(struct sk_buff *skb_in, int ndpoffset) 
					sizeof(struct usb_cdc_ncm_dpe16));

	ret--; /* we process NDP entries except for the last one */



	if ((sizeof(struct usb_cdc_ncm_ndp16) + ret * (sizeof(struct usb_cdc_ncm_dpe16))) >

								skb_in->len) {

		pr_debug("Invalid nframes = %d\n", ret);

	if ((sizeof(struct usb_cdc_ncm_ndp16) +

	     ret * (sizeof(struct usb_cdc_ncm_dpe16))) > skb_in->len) {

		netif_dbg(dev, rx_err, dev->net, "Invalid nframes = %d\n", ret);

		ret = -EINVAL;

	}
@@ -991,8 +995,8 @@ next_ndp: 
		/* sanity checking */

		if (((offset + len) > skb_in->len) ||

				(len > ctx->rx_max) || (len < ETH_HLEN)) {

			pr_debug("invalid frame detected (ignored)"

					"offset[%u]=%u, length=%u, skb=%p\n",

			netif_dbg(dev, rx_err, dev->net,

				  "invalid frame detected (ignored) offset[%u]=%u, length=%u, skb=%p\n",

				  x, offset, len, skb_in);

			if (!x)

				goto err_ndp;
@@ -1031,17 +1035,13 @@ cdc_ncm_speed_change(struct usbnet *dev, 
	 * device speed. Do print it instead.

	 */

	if ((tx_speed > 1000000) && (rx_speed > 1000000)) {

		printk(KERN_INFO KBUILD_MODNAME

		       ": %s: %u mbit/s downlink "

		       "%u mbit/s uplink\n",

		       dev->net->name,

		netif_info(dev, link, dev->net,

		       "%u mbit/s downlink %u mbit/s uplink\n",

		       (unsigned int)(rx_speed / 1000000U),

		       (unsigned int)(tx_speed / 1000000U));

	} else {

		printk(KERN_INFO KBUILD_MODNAME

		       ": %s: %u kbit/s downlink "

		       "%u kbit/s uplink\n",

		       dev->net->name,

		netif_info(dev, link, dev->net,

		       "%u kbit/s downlink %u kbit/s uplink\n",

		       (unsigned int)(rx_speed / 1000U),

		       (unsigned int)(tx_speed / 1000U));

	}
@@ -1074,11 +1074,9 @@ static void cdc_ncm_status(struct usbnet *dev, struct urb *urb) 
		 * sent by device after USB_CDC_NOTIFY_SPEED_CHANGE.

		 */

		ctx->connected = le16_to_cpu(event->wValue);



		printk(KERN_INFO KBUILD_MODNAME ": %s: network connection:"

		       " %sconnected\n",

		       dev->net->name, ctx->connected ? "" : "dis");



		netif_info(dev, link, dev->net,

			   "network connection: %sconnected\n",

			   ctx->connected ? "" : "dis");

		usbnet_link_change(dev, ctx->connected, 0);

		break;