/* * Copyright (C) 2011 Instituto Nokia de Tecnologia * * Authors: * Aloisio Almeida Jr * Lauro Ramos Venancio * * 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, see . */ #include #include #include "nfc.h" static DEFINE_RWLOCK(proto_tab_lock); static const struct nfc_protocol *proto_tab[NFC_SOCKPROTO_MAX]; static int nfc_sock_create(struct net *net, struct socket *sock, int proto, int kern) { int rc = -EPROTONOSUPPORT; if (net != &init_net) return -EAFNOSUPPORT; if (proto < 0 || proto >= NFC_SOCKPROTO_MAX) return -EINVAL; read_lock(&proto_tab_lock); if (proto_tab[proto] && try_module_get(proto_tab[proto]->owner)) { rc = proto_tab[proto]->create(net, sock, proto_tab[proto], kern); module_put(proto_tab[proto]->owner); } read_unlock(&proto_tab_lock); return rc; } static struct net_proto_family nfc_sock_family_ops = { .owner = THIS_MODULE, .family = PF_NFC, .create = nfc_sock_create, }; int nfc_proto_register(const struct nfc_protocol *nfc_proto) { int rc; if (nfc_proto->id < 0 || nfc_proto->id >= NFC_SOCKPROTO_MAX) return -EINVAL; rc = proto_register(nfc_proto->proto, 0); if (rc) return rc; write_lock(&proto_tab_lock); if (proto_tab[nfc_proto->id]) rc = -EBUSY; else proto_tab[nfc_proto->id] = nfc_proto; write_unlock(&proto_tab_lock); return rc; } EXPORT_SYMBOL(nfc_proto_register); void nfc_proto_unregister(const struct nfc_protocol *nfc_proto) { write_lock(&proto_tab_lock); proto_tab[nfc_proto->id] = NULL; write_unlock(&proto_tab_lock); proto_unregister(nfc_proto->proto); } EXPORT_SYMBOL(nfc_proto_unregister); int __init af_nfc_init(void) { return sock_register(&nfc_sock_family_ops); } void af_nfc_exit(void) { sock_unregister(PF_NFC); } ch'/>
path: root/net
AgeCommit message (Expand)AuthorFilesLines
2017-02-07net: pending_confirm is not used anymoreJulian Anastasov1-1/+0
2017-02-07net: use dst_confirm_neigh for UDP, RAW, ICMP, L2TPJulian Anastasov9-19/+44
2017-02-07net: add confirm_neigh method to dst_opsJulian Anastasov3-0/+54
2017-02-07tcp: replace dst_confirm with sk_dst_confirmJulian Anastasov3-14/+7
2017-02-07sctp: add dst_pending_confirm flagJulian Anastasov7-12/+31
2017-02-07net: add dst_pending_confirm flag to skbuffJulian Anastasov2-1/+5
2017-02-07sock: add sk_dst_pending_confirm flagJulian Anastasov1-0/+2
2017-02-07ipv6: sr: fix non static symbol warningsWei Yongjun1-4/+4
2017-02-07net/sched: act_mirred: remove duplicated include from act_mirred.cWei Yongjun1-2/+0
2017-02-07net: dsa: Add support for platform dataFlorian Fainelli1-18/+84
2017-02-07net: dsa: Rename and export dev_to_net_device()Florian Fainelli1-2/+3
2017-02-06bridge: fdb: write to used and updated at most once per jiffyNikolay Aleksandrov2-2/+4
2017-02-06bridge: move write-heavy fdb members in their own cache lineNikolay Aleksandrov1-4/+6
2017-02-06bridge: move to workqueue gcNikolay Aleksandrov10-23/+29
2017-02-06bridge: modify bridge and port to have often accessed fields in one cache lineNikolay Aleksandrov1-23/+20
2017-02-06net: dsa: introduce bridge notifierVivien Didelot2-11/+61
2017-02-06net: dsa: add switch notifierVivien Didelot5-0/+70
2017-02-06net: dsa: change state setter scopeVivien Didelot1-6/+9
2017-02-06net: dsa: rollback bridging on errorVivien Didelot1-1/+13
2017-02-06net: dsa: simplify netdevice events handlingVivien Didelot1-28/+16
2017-02-06net: dsa: move netdevice notifier registrationVivien Didelot3-10/+26
2017-02-06net-next: treewide use is_vlan_dev() helper function.Parav Pandit1-1/+2
2017-02-06sctp: process fwd tsn chunk only when prsctp is enabledXin Long1-0/+6
2017-02-06net: remove ndo_neigh_{construct, destroy} from stacked devicesIdo Schimmel