usb_ethernet.h

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    1 /* $FreeBSD$ */
    2 /*-
    3  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    4  *
    5  * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  *
   28  * $FreeBSD$
   29  */
   30 
   31 #ifndef _USB_ETHERNET_H_
   32 #define _USB_ETHERNET_H_
   33 
   34 #include "opt_inet.h"
   35 
   36 #include <sys/param.h>
   37 #include <sys/systm.h>
   38 #include <sys/mbuf.h>
   39 #include <sys/socket.h>
   40 #include <sys/sockio.h>
   41 #include <sys/limits.h>
   42 
   43 #include <net/if.h>
   44 #include <net/if_arp.h>
   45 #include <net/if_dl.h>
   46 #include <net/if_media.h>
   47 #include <net/if_types.h>
   48 #include <net/bpf.h>
   49 #include <net/ethernet.h>
   50 
   51 struct mii_data;
   52 struct usb_ether;
   53 struct usb_device_request;
   54 
   55 typedef void (uether_fn_t)(struct usb_ether *);
   56 
   57 struct usb_ether_methods {
   58         uether_fn_t             *ue_attach_post;
   59         uether_fn_t             *ue_start;
   60         uether_fn_t             *ue_init;
   61         uether_fn_t             *ue_stop;
   62         uether_fn_t             *ue_setmulti;
   63         uether_fn_t             *ue_setpromisc;
   64         uether_fn_t             *ue_tick;
   65         int                     (*ue_mii_upd)(struct ifnet *);
   66         void                    (*ue_mii_sts)(struct ifnet *,
   67                                     struct ifmediareq *);
   68         int                     (*ue_ioctl)(struct ifnet *, u_long, caddr_t);
   69         int                     (*ue_attach_post_sub)(struct usb_ether *);
   70 };
   71 
   72 struct usb_ether_cfg_task {
   73         struct usb_proc_msg hdr;
   74         struct usb_ether *ue;
   75 };
   76 
   77 struct usb_ether {
   78         /* NOTE: the "ue_ifp" pointer must be first --hps */
   79         struct ifnet            *ue_ifp;
   80         struct mtx              *ue_mtx;
   81         const struct usb_ether_methods *ue_methods;
   82         struct sysctl_oid       *ue_sysctl_oid;
   83         void                    *ue_sc;
   84         struct usb_device       *ue_udev; /* used by uether_do_request() */
   85         device_t                ue_dev;
   86         device_t                ue_miibus;
   87 
   88         struct usb_process      ue_tq;
   89         struct sysctl_ctx_list  ue_sysctl_ctx;
   90         struct mbufq            ue_rxq;
   91         struct usb_callout      ue_watchdog;
   92         struct usb_ether_cfg_task       ue_sync_task[2];
   93         struct usb_ether_cfg_task       ue_media_task[2];
   94         struct usb_ether_cfg_task       ue_multi_task[2];
   95         struct usb_ether_cfg_task       ue_promisc_task[2];
   96         struct usb_ether_cfg_task       ue_tick_task[2];
   97 
   98         int                     ue_unit;
   99 
  100         /* ethernet address from eeprom */
  101         uint8_t                 ue_eaddr[ETHER_ADDR_LEN];
  102 };
  103 
  104 #define uether_do_request(ue,req,data,timo) \
  105     usbd_do_request_proc((ue)->ue_udev,&(ue)->ue_tq,req,data,0,NULL,timo)
  106 
  107 uint8_t         uether_pause(struct usb_ether *, unsigned);
  108 struct ifnet    *uether_getifp(struct usb_ether *);
  109 struct mii_data *uether_getmii(struct usb_ether *);
  110 void            *uether_getsc(struct usb_ether *);
  111 int             uether_ifattach(struct usb_ether *);
  112 void            uether_ifattach_wait(struct usb_ether *);
  113 void            uether_ifdetach(struct usb_ether *);
  114 int             uether_ifmedia_upd(struct ifnet *);
  115 void            uether_init(void *);
  116 int             uether_ioctl(struct ifnet *, u_long, caddr_t);
  117 struct mbuf     *uether_newbuf(void);
  118 int             uether_rxmbuf(struct usb_ether *, struct mbuf *, 
  119                     unsigned);
  120 int             uether_rxbuf(struct usb_ether *,
  121                     struct usb_page_cache *, 
  122                     unsigned, unsigned);
  123 void            uether_rxflush(struct usb_ether *);
  124 uint8_t         uether_is_gone(struct usb_ether *);
  125 void            uether_start(struct ifnet *);
  126 #endif                                  /* _USB_ETHERNET_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/dev/usb/net/usb_ethernet.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/net/usb_ethernet.h