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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

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This commit is contained in:
David S. Miller
2015-12-31 18:20:10 -05:00
parent 7b22a7788b 9c982e86db
commit c07f30ad68
265 changed files with 2586 additions and 1267 deletions
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2
drivers/net/usb/cdc_mbim.c
View File

@@ -100,7 +100,7 @@ static const struct net_device_ops cdc_mbim_netdev_ops = {
.ndo_stop = usbnet_stop,
.ndo_start_xmit = usbnet_start_xmit,
.ndo_tx_timeout = usbnet_tx_timeout,
.ndo_change_mtu = usbnet_change_mtu,
.ndo_change_mtu = cdc_ncm_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
.ndo_vlan_rx_add_vid = cdc_mbim_rx_add_vid,

49
drivers/net/usb/cdc_ncm.c
View File

@@ -41,6 +41,7 @@
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/ctype.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/workqueue.h>
#include <linux/mii.h>
@@ -732,6 +733,33 @@ static void cdc_ncm_free(struct cdc_ncm_ctx *ctx)
kfree(ctx);
}
/* we need to override the usbnet change_mtu ndo for two reasons:
* - respect the negotiated maximum datagram size
* - avoid unwanted changes to rx and tx buffers
*/
int cdc_ncm_change_mtu(struct net_device *net, int new_mtu)
{
struct usbnet *dev = netdev_priv(net);
struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)dev->data[0];
int maxmtu = ctx->max_datagram_size - cdc_ncm_eth_hlen(dev);
if (new_mtu <= 0 || new_mtu > maxmtu)
return -EINVAL;
net->mtu = new_mtu;
return 0;
}
EXPORT_SYMBOL_GPL(cdc_ncm_change_mtu);
static const struct net_device_ops cdc_ncm_netdev_ops = {
.ndo_open = usbnet_open,
.ndo_stop = usbnet_stop,
.ndo_start_xmit = usbnet_start_xmit,
.ndo_tx_timeout = usbnet_tx_timeout,
.ndo_change_mtu = cdc_ncm_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
};
int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting, int drvflags)
{
struct cdc_ncm_ctx *ctx;
@@ -866,6 +894,9 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_
/* add our sysfs attrs */
dev->net->sysfs_groups[0] = &cdc_ncm_sysfs_attr_group;
/* must handle MTU changes */
dev->net->netdev_ops = &cdc_ncm_netdev_ops;
return 0;
error2:
@@ -1601,6 +1632,24 @@ static const struct usb_device_id cdc_devs[] = {
.driver_info = (unsigned long) &wwan_info,
},
/* DW5812 LTE Verizon Mobile Broadband Card
* Unlike DW5550 this device requires FLAG_NOARP
*/
{ USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x81bb,
USB_CLASS_COMM,
USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&wwan_noarp_info,
},
/* DW5813 LTE AT&T Mobile Broadband Card
* Unlike DW5550 this device requires FLAG_NOARP
*/
{ USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x81bc,
USB_CLASS_COMM,
USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&wwan_noarp_info,
},
/* Dell branded MBM devices like DW5550 */
{ .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_VENDOR,