litmus-rt.git - The LITMUS^RT kernel.

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author	Ralf Baechle <ralf@linux-mips.org>	2012-07-12 08:06:46 -0400
committer	Ralf Baechle <ralf@linux-mips.org>	2013-10-29 16:24:55 -0400
commit	03b94e2ec4adfeb6a2734a265fe8affa68a51a41 (patch)
tree	a1e4138d6d744f64c455491b33f09935b7130a92 /arch/mips/lib/lshrdi3.c
parent	43dec43069d2d1064a57f159e02e2ff99ce75ff3 (diff)

MIPS: 64-bit: Mark native syscall table as data object.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Diffstat (limited to 'arch/mips/lib/lshrdi3.c')

0 files changed, 0 insertions, 0 deletions

/* * Netlink inteface for IEEE 802.15.4 stack * * Copyright 2007, 2008 Siemens AG * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation. * * 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., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * Written by: * Sergey Lapin <slapin@ossfans.org> * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> * Maxim Osipov <maxim.osipov@siemens.com> */ #include <linux/gfp.h> #include <linux/kernel.h> #include <linux/if_arp.h> #include <linux/netdevice.h> #include <net/netlink.h> #include <net/genetlink.h> #include <net/sock.h> #include <linux/nl802154.h> #include <linux/export.h> #include <net/af_ieee802154.h> #include <net/nl802154.h> #include <net/ieee802154.h> #include <net/ieee802154_netdev.h> #include <net/wpan-phy.h> #include "ieee802154.h" static struct genl_multicast_group ieee802154_coord_mcgrp = { .name = IEEE802154_MCAST_COORD_NAME, }; static struct genl_multicast_group ieee802154_beacon_mcgrp = { .name = IEEE802154_MCAST_BEACON_NAME, }; int ieee802154_nl_assoc_indic(struct net_device *dev, struct ieee802154_addr *addr, u8 cap) { struct sk_buff *msg; pr_debug("%s\n", __func__); if (addr->addr_type != IEEE802154_ADDR_LONG) { pr_err("%s: received non-long source address!\n", __func__); return -EINVAL; } msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_INDIC); if (!msg) return -ENOBUFS; if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, dev->dev_addr) || nla_put(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN, addr->hwaddr) || nla_put_u8(msg, IEEE802154_ATTR_CAPABILITY, cap)) goto nla_put_failure; return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id); nla_put_failure: nlmsg_free(msg); return -ENOBUFS; } EXPORT_SYMBOL(ieee802154_nl_assoc_indic); int ieee802154_nl_assoc_confirm(struct net_device *dev, u16 short_addr, u8 status) { struct sk_buff *msg; pr_debug("%s\n", __func__); msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_CONF); if (!msg) return -ENOBUFS; if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, dev->dev_addr) || nla_put_u16(msg, IEEE802154_ATTR_SHORT_ADDR, short_addr) || nla_put_u8(msg, IEEE802154_ATTR_STATUS, status)) goto nla_put_failure; return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id); nla_put_failure: nlmsg_free(msg); return -ENOBUFS; } EXPORT_SYMBOL(ieee802154_nl_assoc_confirm); int ieee802154_nl_disassoc_indic(struct net_device *dev, struct ieee802154_addr *addr, u8 reason) { struct sk_buff *msg; pr_debug("%s\n", __func__); msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_INDIC); if (!msg) return -ENOBUFS; if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, dev->dev_addr)) goto nla_put_failure; if (addr->addr_type == IEEE802154_ADDR_LONG) { if (nla_put(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN, addr->hwaddr)) goto nla_put_failure; } else { if (nla_put_u16(msg, IEEE802154_ATTR_SRC_SHORT_ADDR, addr->short_addr)) goto nla_put_failure; } if (nla_put_u8(msg, IEEE802154_ATTR_REASON, reason)) goto nla_put_failure; return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id); nla_put_failure: nlmsg_free(msg); return -ENOBUFS; } EXPORT_SYMBOL(ieee802154_nl_disassoc_indic); int ieee802154_nl_disassoc_confirm(struct net_device *dev, u8 status) { struct sk_buff *msg; pr_debug("%s\n", __func__); msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_CONF); if (!msg) return -ENOBUFS; if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, dev->dev_addr) || nla_put_u8(msg, IEEE802154_ATTR_STATUS, status)) goto nla_put_failure; return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id); nla_put_failure: nlmsg_free(msg); return -ENOBUFS; } EXPORT_SYMBOL(ieee802154_nl_disassoc_confirm); int ieee802154_nl_beacon_indic(struct net_device *dev, u16 panid, u16 coord_addr) { struct sk_buff *msg; pr_debug("%s\n", __func__); msg = ieee802154_nl_create(0, IEEE802154_BEACON_NOTIFY_INDIC); if (!msg) return -ENOBUFS; if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, dev->dev_addr) || nla_put_u16(msg, IEEE802154_ATTR_COORD_SHORT_ADDR, coord_addr) || nla_put_u16(msg, IEEE802154_ATTR_COORD_PAN_ID, panid)) goto nla_put_failure; return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id); nla_put_failure: nlmsg_free(msg); return -ENOBUFS; } EXPORT_SYMBOL(ieee802154_nl_beacon_indic); int ieee802154_nl_scan_confirm(struct net_device *dev, u8 status, u8 scan_type, u32 unscanned, u8 page, u8 *edl/* , struct list_head *pan_desc_list */) { struct sk_buff *msg; pr_debug("%s\n", __func__); msg = ieee802154_nl_create(0, IEEE802154_SCAN_CONF); if (!msg) return -ENOBUFS; if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, dev->dev_addr) || nla_put_u8(msg, IEEE802154_ATTR_STATUS, status) || nla_put_u8(msg, IEEE802154_ATTR_SCAN_TYPE, scan_type) || nla_put_u32(msg, IEEE802154_ATTR_CHANNELS, unscanned) || nla_put_u8(msg, IEEE802154_ATTR_PAGE, page) || (edl && nla_put(msg, IEEE802154_ATTR_ED_LIST, 27, edl))) goto nla_put_failure; return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id); nla_put_failure: nlmsg_free(msg); return -ENOBUFS; } EXPORT_SYMBOL(ieee802154_nl_scan_confirm); int ieee802154_nl_start_confirm(struct net_device *dev, u8 status) { struct sk_buff *msg; pr_debug("%s\n", __func__); msg = ieee802154_nl_create(0, IEEE802154_START_CONF); if (!msg) return -ENOBUFS; if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, dev->dev_addr) || nla_put_u8(msg, IEEE802154_ATTR_STATUS, status)) goto nla_put_failure; return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id); nla_put_failure: nlmsg_free(msg); return -ENOBUFS; } EXPORT_SYMBOL(ieee802154_nl_start_confirm); static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, struct net_device *dev) { void *hdr; struct wpan_phy *phy; pr_debug("%s\n", __func__); hdr = genlmsg_put(msg, 0, seq, &nl802154_family, flags, IEEE802154_LIST_IFACE); if (!hdr) goto out; phy = ieee802154_mlme_ops(dev)->get_phy(dev); BUG_ON(!phy); if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) || nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, dev->dev_addr) || nla_put_u16(msg, IEEE802154_ATTR_SHORT_ADDR, ieee802154_mlme_ops(dev)->get_short_addr(dev)) || nla_put_u16(msg, IEEE802154_ATTR_PAN_ID, ieee802154_mlme_ops(dev)->get_pan_id(dev))) goto nla_put_failure; wpan_phy_put(phy); return genlmsg_end(msg, hdr); nla_put_failure: wpan_phy_put(phy); genlmsg_cancel(msg, hdr); out: return -EMSGSIZE; } /* Requests from userspace */ static struct net_device *ieee802154_nl_get_dev(struct genl_info *info) { struct net_device *dev; if (info->attrs[IEEE802154_ATTR_DEV_NAME]) { char name[IFNAMSIZ + 1]; nla_strlcpy(name, info->attrs[IEEE802154_ATTR_DEV_NAME], sizeof(name)); dev = dev_get_by_name(&init_net, name); } else if (info->attrs[IEEE802154_ATTR_DEV_INDEX]) dev = dev_get_by_index(&init_net, nla_get_u32(info->attrs[IEEE802154_ATTR_DEV_INDEX])); else return NULL; if (!dev) return NULL; if (dev->type != ARPHRD_IEEE802154) { dev_put(dev); return NULL; } return dev; } static int ieee802154_associate_req(struct sk_buff *skb, struct genl_info *info) { struct net_device *dev; struct ieee802154_addr addr; u8 page; int ret = -EINVAL; if (!info->attrs[IEEE802154_ATTR_CHANNEL] || !info->attrs[IEEE802154_ATTR_COORD_PAN_ID] || (!info->attrs[IEEE802154_ATTR_COORD_HW_ADDR] && !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]) || !info->attrs[IEEE802154_ATTR_CAPABILITY]) return -EINVAL; dev = ieee802154_nl_get_dev(info); if (!dev) return -ENODEV; if (info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]) { addr.addr_type = IEEE802154_ADDR_LONG; nla_memcpy(addr.hwaddr, info->attrs[IEEE802154_ATTR_COORD_HW_ADDR], IEEE802154_ADDR_LEN); } else { addr.addr_type = IEEE802154_ADDR_SHORT; addr.short_addr = nla_get_u16( info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]); } addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]); if (info->attrs[IEEE802154_ATTR_PAGE]) page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); else page = 0; ret = ieee802154_mlme_ops(dev)->assoc_req(dev, &addr, nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]), page, nla_get_u8(info->attrs[IEEE802154_ATTR_CAPABILITY])); dev_put(dev); return ret; } static int ieee802154_associate_resp(struct sk_buff *skb, struct genl_info *info) { struct net_device *dev; struct ieee802154_addr addr; int ret = -EINVAL; if (!info->attrs[IEEE802154_ATTR_STATUS] || !info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] || !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) return -EINVAL; dev = ieee802154_nl_get_dev(info); if (!dev) return -ENODEV; addr.addr_type = IEEE802154_ADDR_LONG; nla_memcpy(addr.hwaddr, info->attrs[IEEE802154_ATTR_DEST_HW_ADDR], IEEE802154_ADDR_LEN); addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev); ret = ieee802154_mlme_ops(dev)->assoc_resp(dev, &addr, nla_get_u16(info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]), nla_get_u8(info->attrs[IEEE802154_ATTR_STATUS])); dev_put(dev); return ret; } static int ieee802154_disassociate_req(struct sk_buff *skb, struct genl_info *info) { struct net_device *dev; struct ieee802154_addr addr; int ret = -EINVAL; if ((!info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] && !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) || !info->attrs[IEEE802154_ATTR_REASON]) return -EINVAL; dev = ieee802154_nl_get_dev(info); if (!dev) return -ENODEV; if (info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]) { addr.addr_type = IEEE802154_ADDR_LONG; nla_memcpy(addr.hwaddr, info->attrs[IEEE802154_ATTR_DEST_HW_ADDR], IEEE802154_ADDR_LEN); } else { addr.addr_type = IEEE802154_ADDR_SHORT; addr.short_addr = nla_get_u16( info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]); } addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev); ret = ieee802154_mlme_ops(dev)->disassoc_req(dev, &addr, nla_get_u8(info->attrs[IEEE802154_ATTR_REASON])); dev_put(dev); return ret; } /* * PANid, channel, beacon_order = 15, superframe_order = 15, * PAN_coordinator, battery_life_extension = 0, * coord_realignment = 0, security_enable = 0 */ static int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info) { struct net_device *dev; struct ieee802154_addr addr; u8 channel, bcn_ord, sf_ord; u8 page; int pan_coord, blx, coord_realign; int ret; if (!info->attrs[IEEE802154_ATTR_COORD_PAN_ID] || !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR] || !info->attrs[IEEE802154_ATTR_CHANNEL] || !info->attrs[IEEE802154_ATTR_BCN_ORD] || !info->attrs[IEEE802154_ATTR_SF_ORD] || !info->attrs[IEEE802154_ATTR_PAN_COORD] || !info->attrs[IEEE802154_ATTR_BAT_EXT] || !info->attrs[IEEE802154_ATTR_COORD_REALIGN] ) return -EINVAL; dev = ieee802154_nl_get_dev(info); if (!dev) return -ENODEV; addr.addr_type = IEEE802154_ADDR_SHORT; addr.short_addr = nla_get_u16( info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]); addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]); channel = nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]); bcn_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_BCN_ORD]); sf_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_SF_ORD]); pan_coord = nla_get_u8(info->attrs[IEEE802154_ATTR_PAN_COORD]); blx = nla_get_u8(info->attrs[IEEE802154_ATTR_BAT_EXT]); coord_realign = nla_get_u8(info->attrs[IEEE802154_ATTR_COORD_REALIGN]); if (info->attrs[IEEE802154_ATTR_PAGE]) page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); else page = 0; if (addr.short_addr == IEEE802154_ADDR_BROADCAST) { ieee802154_nl_start_confirm(dev, IEEE802154_NO_SHORT_ADDRESS); dev_put(dev); return -EINVAL; } ret = ieee802154_mlme_ops(dev)->start_req(dev, &addr, channel, page, bcn_ord, sf_ord, pan_coord, blx, coord_realign); dev_put(dev); return ret; } static int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info) { struct net_device *dev; int ret; u8 type; u32 channels; u8 duration; u8 page; if (!info->attrs[IEEE802154_ATTR_SCAN_TYPE] || !info->attrs[IEEE802154_ATTR_CHANNELS] || !info->attrs[IEEE802154_ATTR_DURATION]) return -EINVAL; dev = ieee802154_nl_get_dev(info); if (!dev) return -ENODEV; type = nla_get_u8(info->attrs[IEEE802154_ATTR_SCAN_TYPE]); channels = nla_get_u32(info->attrs[IEEE802154_ATTR_CHANNELS]); duration = nla_get_u8(info->attrs[IEEE802154_ATTR_DURATION]); if (info->attrs[IEEE802154_ATTR_PAGE]) page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); else page = 0; ret = ieee802154_mlme_ops(dev)->scan_req(dev, type, channels, page, duration); dev_put(dev); return ret; } static int ieee802154_list_iface(struct sk_buff *skb, struct genl_info *info) { /* Request for interface name, index, type, IEEE address, PAN Id, short address */ struct sk_buff *msg; struct net_device *dev = NULL; int rc = -ENOBUFS; pr_debug("%s\n", __func__); dev = ieee802154_nl_get_dev(info); if (!dev) return -ENODEV; msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); if (!msg) goto out_dev; rc = ieee802154_nl_fill_iface(msg, info->snd_pid, info->snd_seq, 0, dev); if (rc < 0) goto out_free; dev_put(dev); return genlmsg_reply(msg, info); out_free: nlmsg_free(msg); out_dev: dev_put(dev); return rc; } static int ieee802154_dump_iface(struct sk_buff *skb, struct netlink_callback *cb) { struct net *net = sock_net(skb->sk); struct net_device *dev; int idx; int s_idx = cb->args[0]; pr_debug("%s\n", __func__); idx = 0; for_each_netdev(net, dev) { if (idx < s_idx || (dev->type != ARPHRD_IEEE802154)) goto cont; if (ieee802154_nl_fill_iface(skb, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq, NLM_F_MULTI, dev) < 0) break; cont: idx++; } cb->args[0] = idx; return skb->len; } static struct genl_ops ieee802154_coordinator_ops[] = { IEEE802154_OP(IEEE802154_ASSOCIATE_REQ, ieee802154_associate_req), IEEE802154_OP(IEEE802154_ASSOCIATE_RESP, ieee802154_associate_resp), IEEE802154_OP(IEEE802154_DISASSOCIATE_REQ, ieee802154_disassociate_req), IEEE802154_OP(IEEE802154_SCAN_REQ, ieee802154_scan_req), IEEE802154_OP(IEEE802154_START_REQ, ieee802154_start_req), IEEE802154_DUMP(IEEE802154_LIST_IFACE, ieee802154_list_iface, ieee802154_dump_iface), }; /* * No need to unregister as family unregistration will do it. */ int nl802154_mac_register(void) { int i; int rc; rc = genl_register_mc_group(&nl802154_family, &ieee802154_coord_mcgrp); if (rc) return rc; rc = genl_register_mc_group(&nl802154_family, &ieee802154_beacon_mcgrp); if (rc) return rc; for (i = 0; i < ARRAY_SIZE(ieee802154_coordinator_ops); i++) { rc = genl_register_ops(&nl802154_family, &ieee802154_coordinator_ops[i]); if (rc) return rc; } return 0; }


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