1219820Sjeff/*- 2219820Sjeff * Copyright (c) 2010 Isilon Systems, Inc. 3219820Sjeff * Copyright (c) 2010 iX Systems, Inc. 4219820Sjeff * Copyright (c) 2010 Panasas, Inc. 5271127Shselasky * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd. 6219820Sjeff * All rights reserved. 7219820Sjeff * 8219820Sjeff * Redistribution and use in source and binary forms, with or without 9219820Sjeff * modification, are permitted provided that the following conditions 10219820Sjeff * are met: 11219820Sjeff * 1. Redistributions of source code must retain the above copyright 12219820Sjeff * notice unmodified, this list of conditions, and the following 13219820Sjeff * disclaimer. 14219820Sjeff * 2. Redistributions in binary form must reproduce the above copyright 15219820Sjeff * notice, this list of conditions and the following disclaimer in the 16219820Sjeff * documentation and/or other materials provided with the distribution. 17219820Sjeff * 18219820Sjeff * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19219820Sjeff * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20219820Sjeff * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21219820Sjeff * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22219820Sjeff * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23219820Sjeff * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24219820Sjeff * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25219820Sjeff * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26219820Sjeff * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27219820Sjeff * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28219820Sjeff */ 29219820Sjeff#ifndef _LINUX_NETDEVICE_H_ 30219820Sjeff#define _LINUX_NETDEVICE_H_ 31219820Sjeff 32219820Sjeff#include <linux/types.h> 33219820Sjeff 34219820Sjeff#include <sys/socket.h> 35219820Sjeff 36219820Sjeff#include <net/if_types.h> 37219820Sjeff#include <net/if.h> 38219820Sjeff#include <net/if_var.h> 39219820Sjeff#include <net/if_dl.h> 40219820Sjeff 41219820Sjeff#include <linux/completion.h> 42219820Sjeff#include <linux/device.h> 43219820Sjeff#include <linux/ethtool.h> 44219820Sjeff#include <linux/workqueue.h> 45219820Sjeff#include <linux/net.h> 46219820Sjeff#include <linux/notifier.h> 47219820Sjeff 48219820Sjeffstruct net { 49219820Sjeff}; 50219820Sjeff 51219820Sjeffextern struct net init_net; 52219820Sjeff 53219820Sjeff#define MAX_ADDR_LEN 20 54219820Sjeff 55219820Sjeff#define net_device ifnet 56219820Sjeff 57219820Sjeff#define dev_get_by_index(n, idx) ifnet_byindex_ref((idx)) 58219820Sjeff#define dev_hold(d) if_ref((d)) 59219820Sjeff#define dev_put(d) if_rele((d)) 60219820Sjeff 61219820Sjeff#define netif_running(dev) !!((dev)->if_drv_flags & IFF_DRV_RUNNING) 62219820Sjeff#define netif_oper_up(dev) !!((dev)->if_flags & IFF_UP) 63219820Sjeff#define netif_carrier_ok(dev) netif_running(dev) 64219820Sjeff 65219820Sjeffstatic inline void * 66219820Sjeffnetdev_priv(const struct net_device *dev) 67219820Sjeff{ 68219820Sjeff return (dev->if_softc); 69219820Sjeff} 70219820Sjeff 71219820Sjeffstatic inline void 72219820Sjeff_handle_ifnet_link_event(void *arg, struct ifnet *ifp, int linkstate) 73219820Sjeff{ 74219820Sjeff struct notifier_block *nb; 75219820Sjeff 76219820Sjeff nb = arg; 77219820Sjeff if (linkstate == LINK_STATE_UP) 78219820Sjeff nb->notifier_call(nb, NETDEV_UP, ifp); 79219820Sjeff else 80219820Sjeff nb->notifier_call(nb, NETDEV_DOWN, ifp); 81219820Sjeff} 82219820Sjeff 83219820Sjeffstatic inline void 84219820Sjeff_handle_ifnet_arrival_event(void *arg, struct ifnet *ifp) 85219820Sjeff{ 86219820Sjeff struct notifier_block *nb; 87219820Sjeff 88219820Sjeff nb = arg; 89219820Sjeff nb->notifier_call(nb, NETDEV_REGISTER, ifp); 90219820Sjeff} 91219820Sjeff 92219820Sjeffstatic inline void 93219820Sjeff_handle_ifnet_departure_event(void *arg, struct ifnet *ifp) 94219820Sjeff{ 95219820Sjeff struct notifier_block *nb; 96219820Sjeff 97219820Sjeff nb = arg; 98219820Sjeff nb->notifier_call(nb, NETDEV_UNREGISTER, ifp); 99219820Sjeff} 100219820Sjeff 101271127Shselaskystatic inline void 102271127Shselasky_handle_iflladdr_event(void *arg, struct ifnet *ifp) 103271127Shselasky{ 104271127Shselasky struct notifier_block *nb; 105271127Shselasky 106271127Shselasky nb = arg; 107271127Shselasky nb->notifier_call(nb, NETDEV_CHANGEADDR, ifp); 108271127Shselasky} 109271127Shselasky 110271127Shselaskystatic inline void 111271127Shselasky_handle_ifaddr_event(void *arg, struct ifnet *ifp) 112271127Shselasky{ 113271127Shselasky struct notifier_block *nb; 114271127Shselasky 115271127Shselasky nb = arg; 116271127Shselasky nb->notifier_call(nb, NETDEV_CHANGEIFADDR, ifp); 117271127Shselasky} 118271127Shselasky 119219820Sjeffstatic inline int 120219820Sjeffregister_netdevice_notifier(struct notifier_block *nb) 121219820Sjeff{ 122219820Sjeff 123219820Sjeff nb->tags[NETDEV_UP] = EVENTHANDLER_REGISTER( 124219820Sjeff ifnet_link_event, _handle_ifnet_link_event, nb, 0); 125219820Sjeff nb->tags[NETDEV_REGISTER] = EVENTHANDLER_REGISTER( 126219820Sjeff ifnet_arrival_event, _handle_ifnet_arrival_event, nb, 0); 127219820Sjeff nb->tags[NETDEV_UNREGISTER] = EVENTHANDLER_REGISTER( 128219820Sjeff ifnet_departure_event, _handle_ifnet_departure_event, nb, 0); 129271127Shselasky nb->tags[NETDEV_CHANGEADDR] = EVENTHANDLER_REGISTER( 130271127Shselasky iflladdr_event, _handle_iflladdr_event, nb, 0); 131271127Shselasky 132219820Sjeff return (0); 133219820Sjeff} 134219820Sjeff 135219820Sjeffstatic inline int 136271127Shselaskyregister_inetaddr_notifier(struct notifier_block *nb) 137271127Shselasky{ 138271127Shselasky 139271127Shselasky nb->tags[NETDEV_CHANGEIFADDR] = EVENTHANDLER_REGISTER( 140271127Shselasky ifaddr_event, _handle_ifaddr_event, nb, 0); 141271127Shselasky return (0); 142271127Shselasky} 143271127Shselasky 144271127Shselaskystatic inline int 145219820Sjeffunregister_netdevice_notifier(struct notifier_block *nb) 146219820Sjeff{ 147219820Sjeff 148219820Sjeff EVENTHANDLER_DEREGISTER(ifnet_link_event, nb->tags[NETDEV_UP]); 149219820Sjeff EVENTHANDLER_DEREGISTER(ifnet_arrival_event, nb->tags[NETDEV_REGISTER]); 150219820Sjeff EVENTHANDLER_DEREGISTER(ifnet_departure_event, 151219820Sjeff nb->tags[NETDEV_UNREGISTER]); 152271127Shselasky EVENTHANDLER_DEREGISTER(iflladdr_event, 153271127Shselasky nb->tags[NETDEV_CHANGEADDR]); 154271127Shselasky 155219820Sjeff return (0); 156219820Sjeff} 157219820Sjeff 158271127Shselaskystatic inline int 159271127Shselaskyunregister_inetaddr_notifier(struct notifier_block *nb) 160271127Shselasky{ 161271127Shselasky 162271127Shselasky EVENTHANDLER_DEREGISTER(ifaddr_event, 163271127Shselasky nb->tags[NETDEV_CHANGEIFADDR]); 164271127Shselasky 165271127Shselasky return (0); 166271127Shselasky} 167271127Shselasky 168271127Shselasky 169219820Sjeff#define rtnl_lock() 170219820Sjeff#define rtnl_unlock() 171219820Sjeff 172219820Sjeffstatic inline int 173219820Sjeffdev_mc_delete(struct net_device *dev, void *addr, int alen, int all) 174219820Sjeff{ 175219820Sjeff struct sockaddr_dl sdl; 176219820Sjeff 177219820Sjeff if (alen > sizeof(sdl.sdl_data)) 178219820Sjeff return (-EINVAL); 179219820Sjeff memset(&sdl, 0, sizeof(sdl)); 180219820Sjeff sdl.sdl_len = sizeof(sdl); 181219820Sjeff sdl.sdl_family = AF_LINK; 182219820Sjeff sdl.sdl_alen = alen; 183219820Sjeff memcpy(&sdl.sdl_data, addr, alen); 184219820Sjeff 185219820Sjeff return -if_delmulti(dev, (struct sockaddr *)&sdl); 186219820Sjeff} 187219820Sjeff 188219820Sjeffstatic inline int 189219820Sjeffdev_mc_add(struct net_device *dev, void *addr, int alen, int newonly) 190219820Sjeff{ 191219820Sjeff struct sockaddr_dl sdl; 192219820Sjeff 193219820Sjeff if (alen > sizeof(sdl.sdl_data)) 194219820Sjeff return (-EINVAL); 195219820Sjeff memset(&sdl, 0, sizeof(sdl)); 196219820Sjeff sdl.sdl_len = sizeof(sdl); 197219820Sjeff sdl.sdl_family = AF_LINK; 198219820Sjeff sdl.sdl_alen = alen; 199219820Sjeff memcpy(&sdl.sdl_data, addr, alen); 200219820Sjeff 201219820Sjeff return -if_addmulti(dev, (struct sockaddr *)&sdl, NULL); 202219820Sjeff} 203219820Sjeff 204219820Sjeff#endif /* _LINUX_NETDEVICE_H_ */ 205