| /* |
| * u_ether.h -- interface to USB gadget "ethernet link" utilities |
| * |
| * Copyright (C) 2003-2005,2008 David Brownell |
| * Copyright (C) 2003-2004 Robert Schwebel, Benedikt Spranger |
| * Copyright (C) 2008 Nokia Corporation |
| * Copyright (c) 2013 Qualcomm Atheros, Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #ifndef __U_ETHER_H |
| #define __U_ETHER_H |
| |
| #include <linux/err.h> |
| #include <linux/if_ether.h> |
| #include <linux/usb/composite.h> |
| #include <linux/usb/cdc.h> |
| |
| #define DEFAULT_FILTER (USB_CDC_PACKET_TYPE_BROADCAST \ |
| |USB_CDC_PACKET_TYPE_ALL_MULTICAST \ |
| |USB_CDC_PACKET_TYPE_PROMISCUOUS \ |
| |USB_CDC_PACKET_TYPE_DIRECTED) |
| struct gether { /* updated by gether_{connect,disconnect} */ |
| struct eth_dev *ioport; |
| |
| /* endpoints handle full and/or high speeds */ |
| struct pci_ep *in_ep; |
| struct pci_ep *out_ep; |
| |
| /* descriptors match device speed at gether_connect() time */ |
| bool is_zlp_ok; |
| |
| u16 cdc_filter; |
| |
| /* hooks for added framing, as needed for RNDIS and EEM. |
| * we currently don't support multiple frames per SKB. |
| */ |
| u32 header_len; |
| struct sk_buff *(*wrap)(struct sk_buff *skb); |
| int (*unwrap)(struct sk_buff *skb); |
| |
| /* called on network open/close */ |
| void (*open)(struct gether *); |
| void (*close)(struct gether *); |
| }; |
| |
| |
| |
| /* netdev setup/teardown as directed by the gadget driver */ |
| int gether_setup(u8 ethaddr[ETH_ALEN]); |
| void gether_cleanup(void); |
| |
| /* connect/disconnect is handled by individual functions */ |
| struct net_device *gether_connect(struct ath_pci_dev *); |
| void gether_disconnect(struct gether *); |
| |
| /* Some controllers can't support CDC Ethernet (ECM) ... */ |
| static inline bool can_support_ecm(struct usb_gadget *gadget) |
| { |
| return true; |
| } |
| |
| /* each configuration may bind one instance of an ethernet link */ |
| int geth_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN]); |
| int ecm_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN]); |
| |
| #ifdef CONFIG_USB_ETH_RNDIS |
| |
| int rndis_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN]); |
| |
| #else |
| |
| static inline int |
| rndis_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN]) |
| { |
| return 0; |
| } |
| |
| #endif |
| |
| #endif /* __U_ETHER_H */ |
