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/workqueue.h> 44219820Sjeff#include <linux/net.h> 45219820Sjeff#include <linux/notifier.h> 46219820Sjeff 47219820Sjeffstruct net { 48219820Sjeff}; 49219820Sjeff 50219820Sjeffextern struct net init_net; 51219820Sjeff 52219820Sjeff#define MAX_ADDR_LEN 20 53219820Sjeff 54219820Sjeff#define net_device ifnet 55219820Sjeff 56219820Sjeff#define dev_get_by_index(n, idx) ifnet_byindex_ref((idx)) 57219820Sjeff#define dev_hold(d) if_ref((d)) 58219820Sjeff#define dev_put(d) if_rele((d)) 59219820Sjeff 60219820Sjeff#define netif_running(dev) !!((dev)->if_drv_flags & IFF_DRV_RUNNING) 61219820Sjeff#define netif_oper_up(dev) !!((dev)->if_flags & IFF_UP) 62219820Sjeff#define netif_carrier_ok(dev) netif_running(dev) 63219820Sjeff 64219820Sjeffstatic inline void * 65219820Sjeffnetdev_priv(const struct net_device *dev) 66219820Sjeff{ 67219820Sjeff return (dev->if_softc); 68219820Sjeff} 69219820Sjeff 70219820Sjeffstatic inline void 71219820Sjeff_handle_ifnet_link_event(void *arg, struct ifnet *ifp, int linkstate) 72219820Sjeff{ 73219820Sjeff struct notifier_block *nb; 74219820Sjeff 75219820Sjeff nb = arg; 76219820Sjeff if (linkstate == LINK_STATE_UP) 77219820Sjeff nb->notifier_call(nb, NETDEV_UP, ifp); 78219820Sjeff else 79219820Sjeff nb->notifier_call(nb, NETDEV_DOWN, ifp); 80219820Sjeff} 81219820Sjeff 82219820Sjeffstatic inline void 83219820Sjeff_handle_ifnet_arrival_event(void *arg, struct ifnet *ifp) 84219820Sjeff{ 85219820Sjeff struct notifier_block *nb; 86219820Sjeff 87219820Sjeff nb = arg; 88219820Sjeff nb->notifier_call(nb, NETDEV_REGISTER, ifp); 89219820Sjeff} 90219820Sjeff 91219820Sjeffstatic inline void 92219820Sjeff_handle_ifnet_departure_event(void *arg, struct ifnet *ifp) 93219820Sjeff{ 94219820Sjeff struct notifier_block *nb; 95219820Sjeff 96219820Sjeff nb = arg; 97219820Sjeff nb->notifier_call(nb, NETDEV_UNREGISTER, ifp); 98219820Sjeff} 99219820Sjeff 100271127Shselaskystatic inline void 101271127Shselasky_handle_iflladdr_event(void *arg, struct ifnet *ifp) 102271127Shselasky{ 103271127Shselasky struct notifier_block *nb; 104271127Shselasky 105271127Shselasky nb = arg; 106271127Shselasky nb->notifier_call(nb, NETDEV_CHANGEADDR, ifp); 107271127Shselasky} 108271127Shselasky 109271127Shselaskystatic inline void 110271127Shselasky_handle_ifaddr_event(void *arg, struct ifnet *ifp) 111271127Shselasky{ 112271127Shselasky struct notifier_block *nb; 113271127Shselasky 114271127Shselasky nb = arg; 115271127Shselasky nb->notifier_call(nb, NETDEV_CHANGEIFADDR, ifp); 116271127Shselasky} 117271127Shselasky 118219820Sjeffstatic inline int 119219820Sjeffregister_netdevice_notifier(struct notifier_block *nb) 120219820Sjeff{ 121219820Sjeff 122219820Sjeff nb->tags[NETDEV_UP] = EVENTHANDLER_REGISTER( 123219820Sjeff ifnet_link_event, _handle_ifnet_link_event, nb, 0); 124219820Sjeff nb->tags[NETDEV_REGISTER] = EVENTHANDLER_REGISTER( 125219820Sjeff ifnet_arrival_event, _handle_ifnet_arrival_event, nb, 0); 126219820Sjeff nb->tags[NETDEV_UNREGISTER] = EVENTHANDLER_REGISTER( 127219820Sjeff ifnet_departure_event, _handle_ifnet_departure_event, nb, 0); 128271127Shselasky nb->tags[NETDEV_CHANGEADDR] = EVENTHANDLER_REGISTER( 129271127Shselasky iflladdr_event, _handle_iflladdr_event, nb, 0); 130271127Shselasky 131219820Sjeff return (0); 132219820Sjeff} 133219820Sjeff 134219820Sjeffstatic inline int 135271127Shselaskyregister_inetaddr_notifier(struct notifier_block *nb) 136271127Shselasky{ 137271127Shselasky 138271127Shselasky nb->tags[NETDEV_CHANGEIFADDR] = EVENTHANDLER_REGISTER( 139271127Shselasky ifaddr_event, _handle_ifaddr_event, nb, 0); 140271127Shselasky return (0); 141271127Shselasky} 142271127Shselasky 143271127Shselaskystatic inline int 144219820Sjeffunregister_netdevice_notifier(struct notifier_block *nb) 145219820Sjeff{ 146219820Sjeff 147219820Sjeff EVENTHANDLER_DEREGISTER(ifnet_link_event, nb->tags[NETDEV_UP]); 148219820Sjeff EVENTHANDLER_DEREGISTER(ifnet_arrival_event, nb->tags[NETDEV_REGISTER]); 149219820Sjeff EVENTHANDLER_DEREGISTER(ifnet_departure_event, 150219820Sjeff nb->tags[NETDEV_UNREGISTER]); 151271127Shselasky EVENTHANDLER_DEREGISTER(iflladdr_event, 152271127Shselasky nb->tags[NETDEV_CHANGEADDR]); 153271127Shselasky 154219820Sjeff return (0); 155219820Sjeff} 156219820Sjeff 157271127Shselaskystatic inline int 158271127Shselaskyunregister_inetaddr_notifier(struct notifier_block *nb) 159271127Shselasky{ 160271127Shselasky 161271127Shselasky EVENTHANDLER_DEREGISTER(ifaddr_event, 162271127Shselasky nb->tags[NETDEV_CHANGEIFADDR]); 163271127Shselasky 164271127Shselasky return (0); 165271127Shselasky} 166271127Shselasky 167271127Shselasky 168219820Sjeff#define rtnl_lock() 169219820Sjeff#define rtnl_unlock() 170219820Sjeff 171219820Sjeffstatic inline int 172219820Sjeffdev_mc_delete(struct net_device *dev, void *addr, int alen, int all) 173219820Sjeff{ 174219820Sjeff struct sockaddr_dl sdl; 175219820Sjeff 176219820Sjeff if (alen > sizeof(sdl.sdl_data)) 177219820Sjeff return (-EINVAL); 178219820Sjeff memset(&sdl, 0, sizeof(sdl)); 179219820Sjeff sdl.sdl_len = sizeof(sdl); 180219820Sjeff sdl.sdl_family = AF_LINK; 181219820Sjeff sdl.sdl_alen = alen; 182219820Sjeff memcpy(&sdl.sdl_data, addr, alen); 183219820Sjeff 184219820Sjeff return -if_delmulti(dev, (struct sockaddr *)&sdl); 185219820Sjeff} 186219820Sjeff 187219820Sjeffstatic inline int 188219820Sjeffdev_mc_add(struct net_device *dev, void *addr, int alen, int newonly) 189219820Sjeff{ 190219820Sjeff struct sockaddr_dl sdl; 191219820Sjeff 192219820Sjeff if (alen > sizeof(sdl.sdl_data)) 193219820Sjeff return (-EINVAL); 194219820Sjeff memset(&sdl, 0, sizeof(sdl)); 195219820Sjeff sdl.sdl_len = sizeof(sdl); 196219820Sjeff sdl.sdl_family = AF_LINK; 197219820Sjeff sdl.sdl_alen = alen; 198219820Sjeff memcpy(&sdl.sdl_data, addr, alen); 199219820Sjeff 200219820Sjeff return -if_addmulti(dev, (struct sockaddr *)&sdl, NULL); 201219820Sjeff} 202219820Sjeff 203219820Sjeff#endif /* _LINUX_NETDEVICE_H_ */ 204