11802d0beSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
278fe738dSDmitry Eremin-Solenikov /*
369bb631eSVarka Bhadram * Netlink interface for IEEE 802.15.4 stack
478fe738dSDmitry Eremin-Solenikov *
578fe738dSDmitry Eremin-Solenikov * Copyright 2007, 2008 Siemens AG
678fe738dSDmitry Eremin-Solenikov *
778fe738dSDmitry Eremin-Solenikov * Written by:
878fe738dSDmitry Eremin-Solenikov * Sergey Lapin <slapin@ossfans.org>
978fe738dSDmitry Eremin-Solenikov * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
1078fe738dSDmitry Eremin-Solenikov * Maxim Osipov <maxim.osipov@siemens.com>
1178fe738dSDmitry Eremin-Solenikov */
1278fe738dSDmitry Eremin-Solenikov
135a0e3ad6STejun Heo #include <linux/gfp.h>
1478fe738dSDmitry Eremin-Solenikov #include <linux/kernel.h>
1578fe738dSDmitry Eremin-Solenikov #include <linux/if_arp.h>
1678fe738dSDmitry Eremin-Solenikov #include <linux/netdevice.h>
174ca24acaSAlexander Aring #include <linux/ieee802154.h>
1878fe738dSDmitry Eremin-Solenikov #include <net/netlink.h>
1978fe738dSDmitry Eremin-Solenikov #include <net/genetlink.h>
2078fe738dSDmitry Eremin-Solenikov #include <net/sock.h>
2178fe738dSDmitry Eremin-Solenikov #include <linux/nl802154.h>
22bc3b2d7fSPaul Gortmaker #include <linux/export.h>
2378fe738dSDmitry Eremin-Solenikov #include <net/af_ieee802154.h>
2478fe738dSDmitry Eremin-Solenikov #include <net/ieee802154_netdev.h>
255ad60d36SAlexander Aring #include <net/cfg802154.h>
2678fe738dSDmitry Eremin-Solenikov
2778fe738dSDmitry Eremin-Solenikov #include "ieee802154.h"
2878fe738dSDmitry Eremin-Solenikov
nla_put_hwaddr(struct sk_buff * msg,int type,__le64 hwaddr,int padattr)29a558da09SNicolas Dichtel static int nla_put_hwaddr(struct sk_buff *msg, int type, __le64 hwaddr,
30a558da09SNicolas Dichtel int padattr)
31ae531b94SPhoebe Buckheister {
32a558da09SNicolas Dichtel return nla_put_u64_64bit(msg, type, swab64((__force u64)hwaddr),
33a558da09SNicolas Dichtel padattr);
34ae531b94SPhoebe Buckheister }
35ae531b94SPhoebe Buckheister
nla_get_hwaddr(const struct nlattr * nla)36ae531b94SPhoebe Buckheister static __le64 nla_get_hwaddr(const struct nlattr *nla)
37ae531b94SPhoebe Buckheister {
38ae531b94SPhoebe Buckheister return ieee802154_devaddr_from_raw(nla_data(nla));
39ae531b94SPhoebe Buckheister }
40ae531b94SPhoebe Buckheister
nla_put_shortaddr(struct sk_buff * msg,int type,__le16 addr)41ae531b94SPhoebe Buckheister static int nla_put_shortaddr(struct sk_buff *msg, int type, __le16 addr)
42ae531b94SPhoebe Buckheister {
43ae531b94SPhoebe Buckheister return nla_put_u16(msg, type, le16_to_cpu(addr));
44ae531b94SPhoebe Buckheister }
45ae531b94SPhoebe Buckheister
nla_get_shortaddr(const struct nlattr * nla)46ae531b94SPhoebe Buckheister static __le16 nla_get_shortaddr(const struct nlattr *nla)
47ae531b94SPhoebe Buckheister {
48ae531b94SPhoebe Buckheister return cpu_to_le16(nla_get_u16(nla));
49ae531b94SPhoebe Buckheister }
50ae531b94SPhoebe Buckheister
ieee802154_nl_start_confirm(struct net_device * dev,u8 status)519f3295b9SAlexander Aring static int ieee802154_nl_start_confirm(struct net_device *dev, u8 status)
5278fe738dSDmitry Eremin-Solenikov {
5378fe738dSDmitry Eremin-Solenikov struct sk_buff *msg;
5478fe738dSDmitry Eremin-Solenikov
5578fe738dSDmitry Eremin-Solenikov pr_debug("%s\n", __func__);
5678fe738dSDmitry Eremin-Solenikov
5778fe738dSDmitry Eremin-Solenikov msg = ieee802154_nl_create(0, IEEE802154_START_CONF);
5878fe738dSDmitry Eremin-Solenikov if (!msg)
5978fe738dSDmitry Eremin-Solenikov return -ENOBUFS;
6078fe738dSDmitry Eremin-Solenikov
61be51da0fSDavid S. Miller if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) ||
62be51da0fSDavid S. Miller nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) ||
63be51da0fSDavid S. Miller nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
64be51da0fSDavid S. Miller dev->dev_addr) ||
65be51da0fSDavid S. Miller nla_put_u8(msg, IEEE802154_ATTR_STATUS, status))
66be51da0fSDavid S. Miller goto nla_put_failure;
672a94fe48SJohannes Berg return ieee802154_nl_mcast(msg, IEEE802154_COORD_MCGRP);
6878fe738dSDmitry Eremin-Solenikov
6978fe738dSDmitry Eremin-Solenikov nla_put_failure:
7078fe738dSDmitry Eremin-Solenikov nlmsg_free(msg);
7178fe738dSDmitry Eremin-Solenikov return -ENOBUFS;
7278fe738dSDmitry Eremin-Solenikov }
7378fe738dSDmitry Eremin-Solenikov
ieee802154_nl_fill_iface(struct sk_buff * msg,u32 portid,u32 seq,int flags,struct net_device * dev)7415e47304SEric W. Biederman static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 portid,
7578fe738dSDmitry Eremin-Solenikov u32 seq, int flags, struct net_device *dev)
7678fe738dSDmitry Eremin-Solenikov {
7778fe738dSDmitry Eremin-Solenikov void *hdr;
780a868b26SDmitry Eremin-Solenikov struct wpan_phy *phy;
79e462ded6SPhoebe Buckheister struct ieee802154_mlme_ops *ops;
80ae531b94SPhoebe Buckheister __le16 short_addr, pan_id;
8178fe738dSDmitry Eremin-Solenikov
8278fe738dSDmitry Eremin-Solenikov pr_debug("%s\n", __func__);
8378fe738dSDmitry Eremin-Solenikov
8478fe738dSDmitry Eremin-Solenikov hdr = genlmsg_put(msg, 0, seq, &nl802154_family, flags,
8578fe738dSDmitry Eremin-Solenikov IEEE802154_LIST_IFACE);
8678fe738dSDmitry Eremin-Solenikov if (!hdr)
8778fe738dSDmitry Eremin-Solenikov goto out;
8878fe738dSDmitry Eremin-Solenikov
89e462ded6SPhoebe Buckheister ops = ieee802154_mlme_ops(dev);
90bd28a11fSAlexander Aring phy = dev->ieee802154_ptr->wpan_phy;
910a868b26SDmitry Eremin-Solenikov BUG_ON(!phy);
92bd28a11fSAlexander Aring get_device(&phy->dev);
930a868b26SDmitry Eremin-Solenikov
94c947f7e1SAlexander Aring rtnl_lock();
95c947f7e1SAlexander Aring short_addr = dev->ieee802154_ptr->short_addr;
96c947f7e1SAlexander Aring pan_id = dev->ieee802154_ptr->pan_id;
97c947f7e1SAlexander Aring rtnl_unlock();
98b70ab2e8SPhoebe Buckheister
99be51da0fSDavid S. Miller if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) ||
100be51da0fSDavid S. Miller nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) ||
101be51da0fSDavid S. Miller nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) ||
102be51da0fSDavid S. Miller nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
103be51da0fSDavid S. Miller dev->dev_addr) ||
104ae531b94SPhoebe Buckheister nla_put_shortaddr(msg, IEEE802154_ATTR_SHORT_ADDR, short_addr) ||
105ae531b94SPhoebe Buckheister nla_put_shortaddr(msg, IEEE802154_ATTR_PAN_ID, pan_id))
106be51da0fSDavid S. Miller goto nla_put_failure;
107e462ded6SPhoebe Buckheister
108e462ded6SPhoebe Buckheister if (ops->get_mac_params) {
109e462ded6SPhoebe Buckheister struct ieee802154_mac_params params;
110e462ded6SPhoebe Buckheister
1117bea1ea7SAlexander Aring rtnl_lock();
112e462ded6SPhoebe Buckheister ops->get_mac_params(dev, ¶ms);
1137bea1ea7SAlexander Aring rtnl_unlock();
114e462ded6SPhoebe Buckheister
115e462ded6SPhoebe Buckheister if (nla_put_s8(msg, IEEE802154_ATTR_TXPOWER,
116e2eb173aSAlexander Aring params.transmit_power / 100) ||
117e462ded6SPhoebe Buckheister nla_put_u8(msg, IEEE802154_ATTR_LBT_ENABLED, params.lbt) ||
118e462ded6SPhoebe Buckheister nla_put_u8(msg, IEEE802154_ATTR_CCA_MODE,
1197fe9a388SAlexander Aring params.cca.mode) ||
120e462ded6SPhoebe Buckheister nla_put_s32(msg, IEEE802154_ATTR_CCA_ED_LEVEL,
12132b23550SAlexander Aring params.cca_ed_level / 100) ||
122e462ded6SPhoebe Buckheister nla_put_u8(msg, IEEE802154_ATTR_CSMA_RETRIES,
123e462ded6SPhoebe Buckheister params.csma_retries) ||
124e462ded6SPhoebe Buckheister nla_put_u8(msg, IEEE802154_ATTR_CSMA_MIN_BE,
125e462ded6SPhoebe Buckheister params.min_be) ||
126e462ded6SPhoebe Buckheister nla_put_u8(msg, IEEE802154_ATTR_CSMA_MAX_BE,
127e462ded6SPhoebe Buckheister params.max_be) ||
128e462ded6SPhoebe Buckheister nla_put_s8(msg, IEEE802154_ATTR_FRAME_RETRIES,
129e462ded6SPhoebe Buckheister params.frame_retries))
130e462ded6SPhoebe Buckheister goto nla_put_failure;
131e462ded6SPhoebe Buckheister }
132e462ded6SPhoebe Buckheister
1330a868b26SDmitry Eremin-Solenikov wpan_phy_put(phy);
134053c095aSJohannes Berg genlmsg_end(msg, hdr);
135053c095aSJohannes Berg return 0;
13678fe738dSDmitry Eremin-Solenikov
13778fe738dSDmitry Eremin-Solenikov nla_put_failure:
1380a868b26SDmitry Eremin-Solenikov wpan_phy_put(phy);
13978fe738dSDmitry Eremin-Solenikov genlmsg_cancel(msg, hdr);
14078fe738dSDmitry Eremin-Solenikov out:
14178fe738dSDmitry Eremin-Solenikov return -EMSGSIZE;
14278fe738dSDmitry Eremin-Solenikov }
14378fe738dSDmitry Eremin-Solenikov
14478fe738dSDmitry Eremin-Solenikov /* Requests from userspace */
ieee802154_nl_get_dev(struct genl_info * info)14578fe738dSDmitry Eremin-Solenikov static struct net_device *ieee802154_nl_get_dev(struct genl_info *info)
14678fe738dSDmitry Eremin-Solenikov {
14778fe738dSDmitry Eremin-Solenikov struct net_device *dev;
14878fe738dSDmitry Eremin-Solenikov
14978fe738dSDmitry Eremin-Solenikov if (info->attrs[IEEE802154_ATTR_DEV_NAME]) {
15078fe738dSDmitry Eremin-Solenikov char name[IFNAMSIZ + 1];
1514710d806SVarka Bhadram
152872f6903SFrancis Laniel nla_strscpy(name, info->attrs[IEEE802154_ATTR_DEV_NAME],
15378fe738dSDmitry Eremin-Solenikov sizeof(name));
15478fe738dSDmitry Eremin-Solenikov dev = dev_get_by_name(&init_net, name);
1554710d806SVarka Bhadram } else if (info->attrs[IEEE802154_ATTR_DEV_INDEX]) {
15678fe738dSDmitry Eremin-Solenikov dev = dev_get_by_index(&init_net,
15778fe738dSDmitry Eremin-Solenikov nla_get_u32(info->attrs[IEEE802154_ATTR_DEV_INDEX]));
1584710d806SVarka Bhadram } else {
15978fe738dSDmitry Eremin-Solenikov return NULL;
1604710d806SVarka Bhadram }
16178fe738dSDmitry Eremin-Solenikov
16278fe738dSDmitry Eremin-Solenikov if (!dev)
16378fe738dSDmitry Eremin-Solenikov return NULL;
16478fe738dSDmitry Eremin-Solenikov
16501c8d2bbSLennert Buytenhek if (dev->type != ARPHRD_IEEE802154) {
16678fe738dSDmitry Eremin-Solenikov dev_put(dev);
16778fe738dSDmitry Eremin-Solenikov return NULL;
16878fe738dSDmitry Eremin-Solenikov }
16978fe738dSDmitry Eremin-Solenikov
17078fe738dSDmitry Eremin-Solenikov return dev;
17178fe738dSDmitry Eremin-Solenikov }
17278fe738dSDmitry Eremin-Solenikov
ieee802154_associate_req(struct sk_buff * skb,struct genl_info * info)1731c582d91SJohannes Berg int ieee802154_associate_req(struct sk_buff *skb, struct genl_info *info)
17478fe738dSDmitry Eremin-Solenikov {
17578fe738dSDmitry Eremin-Solenikov struct net_device *dev;
176ae531b94SPhoebe Buckheister struct ieee802154_addr addr;
17778fe738dSDmitry Eremin-Solenikov u8 page;
17856aa091dSWerner Almesberger int ret = -EOPNOTSUPP;
17978fe738dSDmitry Eremin-Solenikov
18078fe738dSDmitry Eremin-Solenikov if (!info->attrs[IEEE802154_ATTR_CHANNEL] ||
18178fe738dSDmitry Eremin-Solenikov !info->attrs[IEEE802154_ATTR_COORD_PAN_ID] ||
18278fe738dSDmitry Eremin-Solenikov (!info->attrs[IEEE802154_ATTR_COORD_HW_ADDR] &&
18378fe738dSDmitry Eremin-Solenikov !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]) ||
18478fe738dSDmitry Eremin-Solenikov !info->attrs[IEEE802154_ATTR_CAPABILITY])
18578fe738dSDmitry Eremin-Solenikov return -EINVAL;
18678fe738dSDmitry Eremin-Solenikov
18778fe738dSDmitry Eremin-Solenikov dev = ieee802154_nl_get_dev(info);
18878fe738dSDmitry Eremin-Solenikov if (!dev)
18978fe738dSDmitry Eremin-Solenikov return -ENODEV;
19056aa091dSWerner Almesberger if (!ieee802154_mlme_ops(dev)->assoc_req)
19156aa091dSWerner Almesberger goto out;
19278fe738dSDmitry Eremin-Solenikov
19378fe738dSDmitry Eremin-Solenikov if (info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]) {
194ae531b94SPhoebe Buckheister addr.mode = IEEE802154_ADDR_LONG;
195ae531b94SPhoebe Buckheister addr.extended_addr = nla_get_hwaddr(
196ae531b94SPhoebe Buckheister info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]);
19778fe738dSDmitry Eremin-Solenikov } else {
198ae531b94SPhoebe Buckheister addr.mode = IEEE802154_ADDR_SHORT;
199ae531b94SPhoebe Buckheister addr.short_addr = nla_get_shortaddr(
20078fe738dSDmitry Eremin-Solenikov info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]);
20178fe738dSDmitry Eremin-Solenikov }
202ae531b94SPhoebe Buckheister addr.pan_id = nla_get_shortaddr(
203ae531b94SPhoebe Buckheister info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
20478fe738dSDmitry Eremin-Solenikov
20578fe738dSDmitry Eremin-Solenikov if (info->attrs[IEEE802154_ATTR_PAGE])
20678fe738dSDmitry Eremin-Solenikov page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
20778fe738dSDmitry Eremin-Solenikov else
20878fe738dSDmitry Eremin-Solenikov page = 0;
20978fe738dSDmitry Eremin-Solenikov
21078fe738dSDmitry Eremin-Solenikov ret = ieee802154_mlme_ops(dev)->assoc_req(dev, &addr,
21178fe738dSDmitry Eremin-Solenikov nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]),
21278fe738dSDmitry Eremin-Solenikov page,
21378fe738dSDmitry Eremin-Solenikov nla_get_u8(info->attrs[IEEE802154_ATTR_CAPABILITY]));
21478fe738dSDmitry Eremin-Solenikov
21556aa091dSWerner Almesberger out:
21678fe738dSDmitry Eremin-Solenikov dev_put(dev);
21778fe738dSDmitry Eremin-Solenikov return ret;
21878fe738dSDmitry Eremin-Solenikov }
21978fe738dSDmitry Eremin-Solenikov
ieee802154_associate_resp(struct sk_buff * skb,struct genl_info * info)2201c582d91SJohannes Berg int ieee802154_associate_resp(struct sk_buff *skb, struct genl_info *info)
22178fe738dSDmitry Eremin-Solenikov {
22278fe738dSDmitry Eremin-Solenikov struct net_device *dev;
223ae531b94SPhoebe Buckheister struct ieee802154_addr addr;
22456aa091dSWerner Almesberger int ret = -EOPNOTSUPP;
22578fe738dSDmitry Eremin-Solenikov
22678fe738dSDmitry Eremin-Solenikov if (!info->attrs[IEEE802154_ATTR_STATUS] ||
22778fe738dSDmitry Eremin-Solenikov !info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] ||
22878fe738dSDmitry Eremin-Solenikov !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR])
22978fe738dSDmitry Eremin-Solenikov return -EINVAL;
23078fe738dSDmitry Eremin-Solenikov
23178fe738dSDmitry Eremin-Solenikov dev = ieee802154_nl_get_dev(info);
23278fe738dSDmitry Eremin-Solenikov if (!dev)
23378fe738dSDmitry Eremin-Solenikov return -ENODEV;
23456aa091dSWerner Almesberger if (!ieee802154_mlme_ops(dev)->assoc_resp)
23556aa091dSWerner Almesberger goto out;
23678fe738dSDmitry Eremin-Solenikov
237ae531b94SPhoebe Buckheister addr.mode = IEEE802154_ADDR_LONG;
238ae531b94SPhoebe Buckheister addr.extended_addr = nla_get_hwaddr(
239ae531b94SPhoebe Buckheister info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]);
240c947f7e1SAlexander Aring rtnl_lock();
241c947f7e1SAlexander Aring addr.pan_id = dev->ieee802154_ptr->pan_id;
242c947f7e1SAlexander Aring rtnl_unlock();
24378fe738dSDmitry Eremin-Solenikov
24478fe738dSDmitry Eremin-Solenikov ret = ieee802154_mlme_ops(dev)->assoc_resp(dev, &addr,
245ae531b94SPhoebe Buckheister nla_get_shortaddr(info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]),
24678fe738dSDmitry Eremin-Solenikov nla_get_u8(info->attrs[IEEE802154_ATTR_STATUS]));
24778fe738dSDmitry Eremin-Solenikov
24856aa091dSWerner Almesberger out:
24978fe738dSDmitry Eremin-Solenikov dev_put(dev);
25078fe738dSDmitry Eremin-Solenikov return ret;
25178fe738dSDmitry Eremin-Solenikov }
25278fe738dSDmitry Eremin-Solenikov
ieee802154_disassociate_req(struct sk_buff * skb,struct genl_info * info)2531c582d91SJohannes Berg int ieee802154_disassociate_req(struct sk_buff *skb, struct genl_info *info)
25478fe738dSDmitry Eremin-Solenikov {
25578fe738dSDmitry Eremin-Solenikov struct net_device *dev;
256ae531b94SPhoebe Buckheister struct ieee802154_addr addr;
25756aa091dSWerner Almesberger int ret = -EOPNOTSUPP;
25878fe738dSDmitry Eremin-Solenikov
25978fe738dSDmitry Eremin-Solenikov if ((!info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] &&
26078fe738dSDmitry Eremin-Solenikov !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) ||
26178fe738dSDmitry Eremin-Solenikov !info->attrs[IEEE802154_ATTR_REASON])
26278fe738dSDmitry Eremin-Solenikov return -EINVAL;
26378fe738dSDmitry Eremin-Solenikov
26478fe738dSDmitry Eremin-Solenikov dev = ieee802154_nl_get_dev(info);
26578fe738dSDmitry Eremin-Solenikov if (!dev)
26678fe738dSDmitry Eremin-Solenikov return -ENODEV;
26756aa091dSWerner Almesberger if (!ieee802154_mlme_ops(dev)->disassoc_req)
26856aa091dSWerner Almesberger goto out;
26978fe738dSDmitry Eremin-Solenikov
27078fe738dSDmitry Eremin-Solenikov if (info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]) {
271ae531b94SPhoebe Buckheister addr.mode = IEEE802154_ADDR_LONG;
272ae531b94SPhoebe Buckheister addr.extended_addr = nla_get_hwaddr(
273ae531b94SPhoebe Buckheister info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]);
27478fe738dSDmitry Eremin-Solenikov } else {
275ae531b94SPhoebe Buckheister addr.mode = IEEE802154_ADDR_SHORT;
276ae531b94SPhoebe Buckheister addr.short_addr = nla_get_shortaddr(
27778fe738dSDmitry Eremin-Solenikov info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]);
27878fe738dSDmitry Eremin-Solenikov }
279c947f7e1SAlexander Aring rtnl_lock();
280c947f7e1SAlexander Aring addr.pan_id = dev->ieee802154_ptr->pan_id;
281c947f7e1SAlexander Aring rtnl_unlock();
28278fe738dSDmitry Eremin-Solenikov
28378fe738dSDmitry Eremin-Solenikov ret = ieee802154_mlme_ops(dev)->disassoc_req(dev, &addr,
28478fe738dSDmitry Eremin-Solenikov nla_get_u8(info->attrs[IEEE802154_ATTR_REASON]));
28578fe738dSDmitry Eremin-Solenikov
28656aa091dSWerner Almesberger out:
28778fe738dSDmitry Eremin-Solenikov dev_put(dev);
28878fe738dSDmitry Eremin-Solenikov return ret;
28978fe738dSDmitry Eremin-Solenikov }
29078fe738dSDmitry Eremin-Solenikov
2914710d806SVarka Bhadram /* PANid, channel, beacon_order = 15, superframe_order = 15,
29278fe738dSDmitry Eremin-Solenikov * PAN_coordinator, battery_life_extension = 0,
29378fe738dSDmitry Eremin-Solenikov * coord_realignment = 0, security_enable = 0
29478fe738dSDmitry Eremin-Solenikov */
ieee802154_start_req(struct sk_buff * skb,struct genl_info * info)2951c582d91SJohannes Berg int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info)
29678fe738dSDmitry Eremin-Solenikov {
29778fe738dSDmitry Eremin-Solenikov struct net_device *dev;
298ae531b94SPhoebe Buckheister struct ieee802154_addr addr;
29978fe738dSDmitry Eremin-Solenikov
30078fe738dSDmitry Eremin-Solenikov u8 channel, bcn_ord, sf_ord;
30178fe738dSDmitry Eremin-Solenikov u8 page;
30278fe738dSDmitry Eremin-Solenikov int pan_coord, blx, coord_realign;
3038f499f99SAlexander Aring int ret = -EBUSY;
30478fe738dSDmitry Eremin-Solenikov
30578fe738dSDmitry Eremin-Solenikov if (!info->attrs[IEEE802154_ATTR_COORD_PAN_ID] ||
30678fe738dSDmitry Eremin-Solenikov !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR] ||
30778fe738dSDmitry Eremin-Solenikov !info->attrs[IEEE802154_ATTR_CHANNEL] ||
30878fe738dSDmitry Eremin-Solenikov !info->attrs[IEEE802154_ATTR_BCN_ORD] ||
30978fe738dSDmitry Eremin-Solenikov !info->attrs[IEEE802154_ATTR_SF_ORD] ||
31078fe738dSDmitry Eremin-Solenikov !info->attrs[IEEE802154_ATTR_PAN_COORD] ||
31178fe738dSDmitry Eremin-Solenikov !info->attrs[IEEE802154_ATTR_BAT_EXT] ||
31278fe738dSDmitry Eremin-Solenikov !info->attrs[IEEE802154_ATTR_COORD_REALIGN]
31378fe738dSDmitry Eremin-Solenikov )
31478fe738dSDmitry Eremin-Solenikov return -EINVAL;
31578fe738dSDmitry Eremin-Solenikov
31678fe738dSDmitry Eremin-Solenikov dev = ieee802154_nl_get_dev(info);
31778fe738dSDmitry Eremin-Solenikov if (!dev)
31878fe738dSDmitry Eremin-Solenikov return -ENODEV;
3198f499f99SAlexander Aring
3208f499f99SAlexander Aring if (netif_running(dev))
32156aa091dSWerner Almesberger goto out;
32278fe738dSDmitry Eremin-Solenikov
3238f499f99SAlexander Aring if (!ieee802154_mlme_ops(dev)->start_req) {
3248f499f99SAlexander Aring ret = -EOPNOTSUPP;
3258f499f99SAlexander Aring goto out;
3268f499f99SAlexander Aring }
3278f499f99SAlexander Aring
328ae531b94SPhoebe Buckheister addr.mode = IEEE802154_ADDR_SHORT;
329ae531b94SPhoebe Buckheister addr.short_addr = nla_get_shortaddr(
33078fe738dSDmitry Eremin-Solenikov info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]);
331ae531b94SPhoebe Buckheister addr.pan_id = nla_get_shortaddr(
332ae531b94SPhoebe Buckheister info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
33378fe738dSDmitry Eremin-Solenikov
33478fe738dSDmitry Eremin-Solenikov channel = nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]);
33578fe738dSDmitry Eremin-Solenikov bcn_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_BCN_ORD]);
33678fe738dSDmitry Eremin-Solenikov sf_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_SF_ORD]);
33778fe738dSDmitry Eremin-Solenikov pan_coord = nla_get_u8(info->attrs[IEEE802154_ATTR_PAN_COORD]);
33878fe738dSDmitry Eremin-Solenikov blx = nla_get_u8(info->attrs[IEEE802154_ATTR_BAT_EXT]);
33978fe738dSDmitry Eremin-Solenikov coord_realign = nla_get_u8(info->attrs[IEEE802154_ATTR_COORD_REALIGN]);
34078fe738dSDmitry Eremin-Solenikov
34178fe738dSDmitry Eremin-Solenikov if (info->attrs[IEEE802154_ATTR_PAGE])
34278fe738dSDmitry Eremin-Solenikov page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
34378fe738dSDmitry Eremin-Solenikov else
34478fe738dSDmitry Eremin-Solenikov page = 0;
34578fe738dSDmitry Eremin-Solenikov
346ae531b94SPhoebe Buckheister if (addr.short_addr == cpu_to_le16(IEEE802154_ADDR_BROADCAST)) {
34778fe738dSDmitry Eremin-Solenikov ieee802154_nl_start_confirm(dev, IEEE802154_NO_SHORT_ADDRESS);
34878fe738dSDmitry Eremin-Solenikov dev_put(dev);
34978fe738dSDmitry Eremin-Solenikov return -EINVAL;
35078fe738dSDmitry Eremin-Solenikov }
35178fe738dSDmitry Eremin-Solenikov
3527bea1ea7SAlexander Aring rtnl_lock();
35378fe738dSDmitry Eremin-Solenikov ret = ieee802154_mlme_ops(dev)->start_req(dev, &addr, channel, page,
35478fe738dSDmitry Eremin-Solenikov bcn_ord, sf_ord, pan_coord, blx, coord_realign);
3557bea1ea7SAlexander Aring rtnl_unlock();
35678fe738dSDmitry Eremin-Solenikov
3579f3295b9SAlexander Aring /* FIXME: add validation for unused parameters to be sane
3589f3295b9SAlexander Aring * for SoftMAC
3599f3295b9SAlexander Aring */
3609f3295b9SAlexander Aring ieee802154_nl_start_confirm(dev, IEEE802154_SUCCESS);
3619f3295b9SAlexander Aring
36256aa091dSWerner Almesberger out:
36378fe738dSDmitry Eremin-Solenikov dev_put(dev);
36478fe738dSDmitry Eremin-Solenikov return ret;
36578fe738dSDmitry Eremin-Solenikov }
36678fe738dSDmitry Eremin-Solenikov
ieee802154_scan_req(struct sk_buff * skb,struct genl_info * info)3671c582d91SJohannes Berg int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info)
36878fe738dSDmitry Eremin-Solenikov {
36978fe738dSDmitry Eremin-Solenikov struct net_device *dev;
37056aa091dSWerner Almesberger int ret = -EOPNOTSUPP;
37178fe738dSDmitry Eremin-Solenikov u8 type;
37278fe738dSDmitry Eremin-Solenikov u32 channels;
37378fe738dSDmitry Eremin-Solenikov u8 duration;
37478fe738dSDmitry Eremin-Solenikov u8 page;
37578fe738dSDmitry Eremin-Solenikov
37678fe738dSDmitry Eremin-Solenikov if (!info->attrs[IEEE802154_ATTR_SCAN_TYPE] ||
37778fe738dSDmitry Eremin-Solenikov !info->attrs[IEEE802154_ATTR_CHANNELS] ||
37878fe738dSDmitry Eremin-Solenikov !info->attrs[IEEE802154_ATTR_DURATION])
37978fe738dSDmitry Eremin-Solenikov return -EINVAL;
38078fe738dSDmitry Eremin-Solenikov
38178fe738dSDmitry Eremin-Solenikov dev = ieee802154_nl_get_dev(info);
38278fe738dSDmitry Eremin-Solenikov if (!dev)
38378fe738dSDmitry Eremin-Solenikov return -ENODEV;
38456aa091dSWerner Almesberger if (!ieee802154_mlme_ops(dev)->scan_req)
38556aa091dSWerner Almesberger goto out;
38678fe738dSDmitry Eremin-Solenikov
38778fe738dSDmitry Eremin-Solenikov type = nla_get_u8(info->attrs[IEEE802154_ATTR_SCAN_TYPE]);
38878fe738dSDmitry Eremin-Solenikov channels = nla_get_u32(info->attrs[IEEE802154_ATTR_CHANNELS]);
38978fe738dSDmitry Eremin-Solenikov duration = nla_get_u8(info->attrs[IEEE802154_ATTR_DURATION]);
39078fe738dSDmitry Eremin-Solenikov
39178fe738dSDmitry Eremin-Solenikov if (info->attrs[IEEE802154_ATTR_PAGE])
39278fe738dSDmitry Eremin-Solenikov page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
39378fe738dSDmitry Eremin-Solenikov else
39478fe738dSDmitry Eremin-Solenikov page = 0;
39578fe738dSDmitry Eremin-Solenikov
3964710d806SVarka Bhadram ret = ieee802154_mlme_ops(dev)->scan_req(dev, type, channels,
3974710d806SVarka Bhadram page, duration);
39878fe738dSDmitry Eremin-Solenikov
39956aa091dSWerner Almesberger out:
40078fe738dSDmitry Eremin-Solenikov dev_put(dev);
40178fe738dSDmitry Eremin-Solenikov return ret;
40278fe738dSDmitry Eremin-Solenikov }
40378fe738dSDmitry Eremin-Solenikov
ieee802154_list_iface(struct sk_buff * skb,struct genl_info * info)4041c582d91SJohannes Berg int ieee802154_list_iface(struct sk_buff *skb, struct genl_info *info)
40578fe738dSDmitry Eremin-Solenikov {
40678fe738dSDmitry Eremin-Solenikov /* Request for interface name, index, type, IEEE address,
4074710d806SVarka Bhadram * PAN Id, short address
4084710d806SVarka Bhadram */
40978fe738dSDmitry Eremin-Solenikov struct sk_buff *msg;
41078fe738dSDmitry Eremin-Solenikov struct net_device *dev = NULL;
41178fe738dSDmitry Eremin-Solenikov int rc = -ENOBUFS;
41278fe738dSDmitry Eremin-Solenikov
41378fe738dSDmitry Eremin-Solenikov pr_debug("%s\n", __func__);
41478fe738dSDmitry Eremin-Solenikov
41578fe738dSDmitry Eremin-Solenikov dev = ieee802154_nl_get_dev(info);
41678fe738dSDmitry Eremin-Solenikov if (!dev)
41778fe738dSDmitry Eremin-Solenikov return -ENODEV;
41878fe738dSDmitry Eremin-Solenikov
41958050fceSThomas Graf msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
42078fe738dSDmitry Eremin-Solenikov if (!msg)
42178fe738dSDmitry Eremin-Solenikov goto out_dev;
42278fe738dSDmitry Eremin-Solenikov
42315e47304SEric W. Biederman rc = ieee802154_nl_fill_iface(msg, info->snd_portid, info->snd_seq,
42478fe738dSDmitry Eremin-Solenikov 0, dev);
42578fe738dSDmitry Eremin-Solenikov if (rc < 0)
42678fe738dSDmitry Eremin-Solenikov goto out_free;
42778fe738dSDmitry Eremin-Solenikov
42878fe738dSDmitry Eremin-Solenikov dev_put(dev);
42978fe738dSDmitry Eremin-Solenikov
43078fe738dSDmitry Eremin-Solenikov return genlmsg_reply(msg, info);
43178fe738dSDmitry Eremin-Solenikov out_free:
43278fe738dSDmitry Eremin-Solenikov nlmsg_free(msg);
43378fe738dSDmitry Eremin-Solenikov out_dev:
43478fe738dSDmitry Eremin-Solenikov dev_put(dev);
43578fe738dSDmitry Eremin-Solenikov return rc;
43678fe738dSDmitry Eremin-Solenikov }
43778fe738dSDmitry Eremin-Solenikov
ieee802154_dump_iface(struct sk_buff * skb,struct netlink_callback * cb)4381c582d91SJohannes Berg int ieee802154_dump_iface(struct sk_buff *skb, struct netlink_callback *cb)
43978fe738dSDmitry Eremin-Solenikov {
44078fe738dSDmitry Eremin-Solenikov struct net *net = sock_net(skb->sk);
44178fe738dSDmitry Eremin-Solenikov struct net_device *dev;
44278fe738dSDmitry Eremin-Solenikov int idx;
44378fe738dSDmitry Eremin-Solenikov int s_idx = cb->args[0];
44478fe738dSDmitry Eremin-Solenikov
44578fe738dSDmitry Eremin-Solenikov pr_debug("%s\n", __func__);
44678fe738dSDmitry Eremin-Solenikov
44778fe738dSDmitry Eremin-Solenikov idx = 0;
44878fe738dSDmitry Eremin-Solenikov for_each_netdev(net, dev) {
44901c8d2bbSLennert Buytenhek if (idx < s_idx || dev->type != ARPHRD_IEEE802154)
45078fe738dSDmitry Eremin-Solenikov goto cont;
45178fe738dSDmitry Eremin-Solenikov
45215e47304SEric W. Biederman if (ieee802154_nl_fill_iface(skb, NETLINK_CB(cb->skb).portid,
4534710d806SVarka Bhadram cb->nlh->nlmsg_seq,
4544710d806SVarka Bhadram NLM_F_MULTI, dev) < 0)
45578fe738dSDmitry Eremin-Solenikov break;
45678fe738dSDmitry Eremin-Solenikov cont:
45778fe738dSDmitry Eremin-Solenikov idx++;
45878fe738dSDmitry Eremin-Solenikov }
45978fe738dSDmitry Eremin-Solenikov cb->args[0] = idx;
46078fe738dSDmitry Eremin-Solenikov
46178fe738dSDmitry Eremin-Solenikov return skb->len;
46278fe738dSDmitry Eremin-Solenikov }
463e462ded6SPhoebe Buckheister
ieee802154_set_macparams(struct sk_buff * skb,struct genl_info * info)464e462ded6SPhoebe Buckheister int ieee802154_set_macparams(struct sk_buff *skb, struct genl_info *info)
465e462ded6SPhoebe Buckheister {
466e462ded6SPhoebe Buckheister struct net_device *dev = NULL;
467e462ded6SPhoebe Buckheister struct ieee802154_mlme_ops *ops;
468e462ded6SPhoebe Buckheister struct ieee802154_mac_params params;
469e462ded6SPhoebe Buckheister struct wpan_phy *phy;
470e462ded6SPhoebe Buckheister int rc = -EINVAL;
471e462ded6SPhoebe Buckheister
472e462ded6SPhoebe Buckheister pr_debug("%s\n", __func__);
473e462ded6SPhoebe Buckheister
474e462ded6SPhoebe Buckheister dev = ieee802154_nl_get_dev(info);
475e462ded6SPhoebe Buckheister if (!dev)
476e462ded6SPhoebe Buckheister return -ENODEV;
477e462ded6SPhoebe Buckheister
478e462ded6SPhoebe Buckheister ops = ieee802154_mlme_ops(dev);
479e462ded6SPhoebe Buckheister
480e462ded6SPhoebe Buckheister if (!ops->get_mac_params || !ops->set_mac_params) {
481e462ded6SPhoebe Buckheister rc = -EOPNOTSUPP;
482e462ded6SPhoebe Buckheister goto out;
483e462ded6SPhoebe Buckheister }
484e462ded6SPhoebe Buckheister
485e462ded6SPhoebe Buckheister if (netif_running(dev)) {
486e462ded6SPhoebe Buckheister rc = -EBUSY;
487e462ded6SPhoebe Buckheister goto out;
488e462ded6SPhoebe Buckheister }
489e462ded6SPhoebe Buckheister
490e462ded6SPhoebe Buckheister if (!info->attrs[IEEE802154_ATTR_LBT_ENABLED] &&
491e462ded6SPhoebe Buckheister !info->attrs[IEEE802154_ATTR_CCA_MODE] &&
492e462ded6SPhoebe Buckheister !info->attrs[IEEE802154_ATTR_CCA_ED_LEVEL] &&
493e462ded6SPhoebe Buckheister !info->attrs[IEEE802154_ATTR_CSMA_RETRIES] &&
494e462ded6SPhoebe Buckheister !info->attrs[IEEE802154_ATTR_CSMA_MIN_BE] &&
495e462ded6SPhoebe Buckheister !info->attrs[IEEE802154_ATTR_CSMA_MAX_BE] &&
496e462ded6SPhoebe Buckheister !info->attrs[IEEE802154_ATTR_FRAME_RETRIES])
497e462ded6SPhoebe Buckheister goto out;
498e462ded6SPhoebe Buckheister
499bd28a11fSAlexander Aring phy = dev->ieee802154_ptr->wpan_phy;
500bd28a11fSAlexander Aring get_device(&phy->dev);
501e462ded6SPhoebe Buckheister
5027bea1ea7SAlexander Aring rtnl_lock();
503e462ded6SPhoebe Buckheister ops->get_mac_params(dev, ¶ms);
504e462ded6SPhoebe Buckheister
505e462ded6SPhoebe Buckheister if (info->attrs[IEEE802154_ATTR_TXPOWER])
506e2eb173aSAlexander Aring params.transmit_power = nla_get_s8(info->attrs[IEEE802154_ATTR_TXPOWER]) * 100;
507e462ded6SPhoebe Buckheister
508e462ded6SPhoebe Buckheister if (info->attrs[IEEE802154_ATTR_LBT_ENABLED])
509e462ded6SPhoebe Buckheister params.lbt = nla_get_u8(info->attrs[IEEE802154_ATTR_LBT_ENABLED]);
510e462ded6SPhoebe Buckheister
511e462ded6SPhoebe Buckheister if (info->attrs[IEEE802154_ATTR_CCA_MODE])
5127fe9a388SAlexander Aring params.cca.mode = nla_get_u8(info->attrs[IEEE802154_ATTR_CCA_MODE]);
513e462ded6SPhoebe Buckheister
514e462ded6SPhoebe Buckheister if (info->attrs[IEEE802154_ATTR_CCA_ED_LEVEL])
51532b23550SAlexander Aring params.cca_ed_level = nla_get_s32(info->attrs[IEEE802154_ATTR_CCA_ED_LEVEL]) * 100;
516e462ded6SPhoebe Buckheister
517e462ded6SPhoebe Buckheister if (info->attrs[IEEE802154_ATTR_CSMA_RETRIES])
518e462ded6SPhoebe Buckheister params.csma_retries = nla_get_u8(info->attrs[IEEE802154_ATTR_CSMA_RETRIES]);
519e462ded6SPhoebe Buckheister
520e462ded6SPhoebe Buckheister if (info->attrs[IEEE802154_ATTR_CSMA_MIN_BE])
521e462ded6SPhoebe Buckheister params.min_be = nla_get_u8(info->attrs[IEEE802154_ATTR_CSMA_MIN_BE]);
522e462ded6SPhoebe Buckheister
523e462ded6SPhoebe Buckheister if (info->attrs[IEEE802154_ATTR_CSMA_MAX_BE])
524e462ded6SPhoebe Buckheister params.max_be = nla_get_u8(info->attrs[IEEE802154_ATTR_CSMA_MAX_BE]);
525e462ded6SPhoebe Buckheister
526e462ded6SPhoebe Buckheister if (info->attrs[IEEE802154_ATTR_FRAME_RETRIES])
527e462ded6SPhoebe Buckheister params.frame_retries = nla_get_s8(info->attrs[IEEE802154_ATTR_FRAME_RETRIES]);
528e462ded6SPhoebe Buckheister
529e462ded6SPhoebe Buckheister rc = ops->set_mac_params(dev, ¶ms);
5307bea1ea7SAlexander Aring rtnl_unlock();
531e462ded6SPhoebe Buckheister
532e462ded6SPhoebe Buckheister wpan_phy_put(phy);
533e462ded6SPhoebe Buckheister dev_put(dev);
534e462ded6SPhoebe Buckheister
535a543c598SAlexander Aring return 0;
536a543c598SAlexander Aring
537e462ded6SPhoebe Buckheister out:
538e462ded6SPhoebe Buckheister dev_put(dev);
539e462ded6SPhoebe Buckheister return rc;
540e462ded6SPhoebe Buckheister }
5413e9c156eSPhoebe Buckheister
5423e9c156eSPhoebe Buckheister static int
ieee802154_llsec_parse_key_id(struct genl_info * info,struct ieee802154_llsec_key_id * desc)5433e9c156eSPhoebe Buckheister ieee802154_llsec_parse_key_id(struct genl_info *info,
5443e9c156eSPhoebe Buckheister struct ieee802154_llsec_key_id *desc)
5453e9c156eSPhoebe Buckheister {
5463e9c156eSPhoebe Buckheister memset(desc, 0, sizeof(*desc));
5473e9c156eSPhoebe Buckheister
5483e9c156eSPhoebe Buckheister if (!info->attrs[IEEE802154_ATTR_LLSEC_KEY_MODE])
5493e9c156eSPhoebe Buckheister return -EINVAL;
5503e9c156eSPhoebe Buckheister
5513e9c156eSPhoebe Buckheister desc->mode = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_KEY_MODE]);
5523e9c156eSPhoebe Buckheister
5533e9c156eSPhoebe Buckheister if (desc->mode == IEEE802154_SCF_KEY_IMPLICIT) {
5546f7f657fSAlexander Aring if (!info->attrs[IEEE802154_ATTR_PAN_ID])
5553e9c156eSPhoebe Buckheister return -EINVAL;
5563e9c156eSPhoebe Buckheister
5573e9c156eSPhoebe Buckheister desc->device_addr.pan_id = nla_get_shortaddr(info->attrs[IEEE802154_ATTR_PAN_ID]);
5583e9c156eSPhoebe Buckheister
5593e9c156eSPhoebe Buckheister if (info->attrs[IEEE802154_ATTR_SHORT_ADDR]) {
5603e9c156eSPhoebe Buckheister desc->device_addr.mode = IEEE802154_ADDR_SHORT;
5613e9c156eSPhoebe Buckheister desc->device_addr.short_addr = nla_get_shortaddr(info->attrs[IEEE802154_ATTR_SHORT_ADDR]);
5623e9c156eSPhoebe Buckheister } else {
5636f7f657fSAlexander Aring if (!info->attrs[IEEE802154_ATTR_HW_ADDR])
5646f7f657fSAlexander Aring return -EINVAL;
5656f7f657fSAlexander Aring
5663e9c156eSPhoebe Buckheister desc->device_addr.mode = IEEE802154_ADDR_LONG;
5673e9c156eSPhoebe Buckheister desc->device_addr.extended_addr = nla_get_hwaddr(info->attrs[IEEE802154_ATTR_HW_ADDR]);
5683e9c156eSPhoebe Buckheister }
5693e9c156eSPhoebe Buckheister }
5703e9c156eSPhoebe Buckheister
5713e9c156eSPhoebe Buckheister if (desc->mode != IEEE802154_SCF_KEY_IMPLICIT &&
5723e9c156eSPhoebe Buckheister !info->attrs[IEEE802154_ATTR_LLSEC_KEY_ID])
5733e9c156eSPhoebe Buckheister return -EINVAL;
5743e9c156eSPhoebe Buckheister
5753e9c156eSPhoebe Buckheister if (desc->mode == IEEE802154_SCF_KEY_SHORT_INDEX &&
5763e9c156eSPhoebe Buckheister !info->attrs[IEEE802154_ATTR_LLSEC_KEY_SOURCE_SHORT])
5773e9c156eSPhoebe Buckheister return -EINVAL;
5783e9c156eSPhoebe Buckheister
5793e9c156eSPhoebe Buckheister if (desc->mode == IEEE802154_SCF_KEY_HW_INDEX &&
5803e9c156eSPhoebe Buckheister !info->attrs[IEEE802154_ATTR_LLSEC_KEY_SOURCE_EXTENDED])
5813e9c156eSPhoebe Buckheister return -EINVAL;
5823e9c156eSPhoebe Buckheister
5833e9c156eSPhoebe Buckheister if (desc->mode != IEEE802154_SCF_KEY_IMPLICIT)
5843e9c156eSPhoebe Buckheister desc->id = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_KEY_ID]);
5853e9c156eSPhoebe Buckheister
5863e9c156eSPhoebe Buckheister switch (desc->mode) {
5873e9c156eSPhoebe Buckheister case IEEE802154_SCF_KEY_SHORT_INDEX:
5883e9c156eSPhoebe Buckheister {
5893e9c156eSPhoebe Buckheister u32 source = nla_get_u32(info->attrs[IEEE802154_ATTR_LLSEC_KEY_SOURCE_SHORT]);
5904710d806SVarka Bhadram
5913e9c156eSPhoebe Buckheister desc->short_source = cpu_to_le32(source);
5923e9c156eSPhoebe Buckheister break;
5933e9c156eSPhoebe Buckheister }
5943e9c156eSPhoebe Buckheister case IEEE802154_SCF_KEY_HW_INDEX:
5953e9c156eSPhoebe Buckheister desc->extended_source = nla_get_hwaddr(info->attrs[IEEE802154_ATTR_LLSEC_KEY_SOURCE_EXTENDED]);
5963e9c156eSPhoebe Buckheister break;
5973e9c156eSPhoebe Buckheister }
5983e9c156eSPhoebe Buckheister
5993e9c156eSPhoebe Buckheister return 0;
6003e9c156eSPhoebe Buckheister }
6013e9c156eSPhoebe Buckheister
6023e9c156eSPhoebe Buckheister static int
ieee802154_llsec_fill_key_id(struct sk_buff * msg,const struct ieee802154_llsec_key_id * desc)6033e9c156eSPhoebe Buckheister ieee802154_llsec_fill_key_id(struct sk_buff *msg,
6043e9c156eSPhoebe Buckheister const struct ieee802154_llsec_key_id *desc)
6053e9c156eSPhoebe Buckheister {
6063e9c156eSPhoebe Buckheister if (nla_put_u8(msg, IEEE802154_ATTR_LLSEC_KEY_MODE, desc->mode))
6073e9c156eSPhoebe Buckheister return -EMSGSIZE;
6083e9c156eSPhoebe Buckheister
6093e9c156eSPhoebe Buckheister if (desc->mode == IEEE802154_SCF_KEY_IMPLICIT) {
6103e9c156eSPhoebe Buckheister if (nla_put_shortaddr(msg, IEEE802154_ATTR_PAN_ID,
6113e9c156eSPhoebe Buckheister desc->device_addr.pan_id))
6123e9c156eSPhoebe Buckheister return -EMSGSIZE;
6133e9c156eSPhoebe Buckheister
6143e9c156eSPhoebe Buckheister if (desc->device_addr.mode == IEEE802154_ADDR_SHORT &&
6153e9c156eSPhoebe Buckheister nla_put_shortaddr(msg, IEEE802154_ATTR_SHORT_ADDR,
6163e9c156eSPhoebe Buckheister desc->device_addr.short_addr))
6173e9c156eSPhoebe Buckheister return -EMSGSIZE;
6183e9c156eSPhoebe Buckheister
6193e9c156eSPhoebe Buckheister if (desc->device_addr.mode == IEEE802154_ADDR_LONG &&
6203e9c156eSPhoebe Buckheister nla_put_hwaddr(msg, IEEE802154_ATTR_HW_ADDR,
621a558da09SNicolas Dichtel desc->device_addr.extended_addr,
622a558da09SNicolas Dichtel IEEE802154_ATTR_PAD))
6233e9c156eSPhoebe Buckheister return -EMSGSIZE;
6243e9c156eSPhoebe Buckheister }
6253e9c156eSPhoebe Buckheister
6263e9c156eSPhoebe Buckheister if (desc->mode != IEEE802154_SCF_KEY_IMPLICIT &&
6273e9c156eSPhoebe Buckheister nla_put_u8(msg, IEEE802154_ATTR_LLSEC_KEY_ID, desc->id))
6283e9c156eSPhoebe Buckheister return -EMSGSIZE;
6293e9c156eSPhoebe Buckheister
6303e9c156eSPhoebe Buckheister if (desc->mode == IEEE802154_SCF_KEY_SHORT_INDEX &&
6313e9c156eSPhoebe Buckheister nla_put_u32(msg, IEEE802154_ATTR_LLSEC_KEY_SOURCE_SHORT,
6323e9c156eSPhoebe Buckheister le32_to_cpu(desc->short_source)))
6333e9c156eSPhoebe Buckheister return -EMSGSIZE;
6343e9c156eSPhoebe Buckheister
6353e9c156eSPhoebe Buckheister if (desc->mode == IEEE802154_SCF_KEY_HW_INDEX &&
6363e9c156eSPhoebe Buckheister nla_put_hwaddr(msg, IEEE802154_ATTR_LLSEC_KEY_SOURCE_EXTENDED,
637a558da09SNicolas Dichtel desc->extended_source, IEEE802154_ATTR_PAD))
6383e9c156eSPhoebe Buckheister return -EMSGSIZE;
6393e9c156eSPhoebe Buckheister
6403e9c156eSPhoebe Buckheister return 0;
6413e9c156eSPhoebe Buckheister }
6423e9c156eSPhoebe Buckheister
ieee802154_llsec_getparams(struct sk_buff * skb,struct genl_info * info)6433e9c156eSPhoebe Buckheister int ieee802154_llsec_getparams(struct sk_buff *skb, struct genl_info *info)
6443e9c156eSPhoebe Buckheister {
6453e9c156eSPhoebe Buckheister struct sk_buff *msg;
6463e9c156eSPhoebe Buckheister struct net_device *dev = NULL;
6473e9c156eSPhoebe Buckheister int rc = -ENOBUFS;
6483e9c156eSPhoebe Buckheister struct ieee802154_mlme_ops *ops;
6493e9c156eSPhoebe Buckheister void *hdr;
6503e9c156eSPhoebe Buckheister struct ieee802154_llsec_params params;
6513e9c156eSPhoebe Buckheister
6523e9c156eSPhoebe Buckheister pr_debug("%s\n", __func__);
6533e9c156eSPhoebe Buckheister
6543e9c156eSPhoebe Buckheister dev = ieee802154_nl_get_dev(info);
6553e9c156eSPhoebe Buckheister if (!dev)
6563e9c156eSPhoebe Buckheister return -ENODEV;
6573e9c156eSPhoebe Buckheister
6583e9c156eSPhoebe Buckheister ops = ieee802154_mlme_ops(dev);
659b3f7a7b4SDan Carpenter if (!ops->llsec) {
660b3f7a7b4SDan Carpenter rc = -EOPNOTSUPP;
661b3f7a7b4SDan Carpenter goto out_dev;
662b3f7a7b4SDan Carpenter }
6633e9c156eSPhoebe Buckheister
6643e9c156eSPhoebe Buckheister msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6653e9c156eSPhoebe Buckheister if (!msg)
6663e9c156eSPhoebe Buckheister goto out_dev;
6673e9c156eSPhoebe Buckheister
6683e9c156eSPhoebe Buckheister hdr = genlmsg_put(msg, 0, info->snd_seq, &nl802154_family, 0,
6693e9c156eSPhoebe Buckheister IEEE802154_LLSEC_GETPARAMS);
6703e9c156eSPhoebe Buckheister if (!hdr)
6713e9c156eSPhoebe Buckheister goto out_free;
6723e9c156eSPhoebe Buckheister
6733e9c156eSPhoebe Buckheister rc = ops->llsec->get_params(dev, ¶ms);
6743e9c156eSPhoebe Buckheister if (rc < 0)
6753e9c156eSPhoebe Buckheister goto out_free;
6763e9c156eSPhoebe Buckheister
6773e9c156eSPhoebe Buckheister if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) ||
6783e9c156eSPhoebe Buckheister nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) ||
6793e9c156eSPhoebe Buckheister nla_put_u8(msg, IEEE802154_ATTR_LLSEC_ENABLED, params.enabled) ||
6803e9c156eSPhoebe Buckheister nla_put_u8(msg, IEEE802154_ATTR_LLSEC_SECLEVEL, params.out_level) ||
6813e9c156eSPhoebe Buckheister nla_put_u32(msg, IEEE802154_ATTR_LLSEC_FRAME_COUNTER,
6823e9c156eSPhoebe Buckheister be32_to_cpu(params.frame_counter)) ||
683*373e864cSWei Yongjun ieee802154_llsec_fill_key_id(msg, ¶ms.out_key)) {
684*373e864cSWei Yongjun rc = -ENOBUFS;
6853e9c156eSPhoebe Buckheister goto out_free;
686*373e864cSWei Yongjun }
6873e9c156eSPhoebe Buckheister
6883e9c156eSPhoebe Buckheister dev_put(dev);
6893e9c156eSPhoebe Buckheister
6903e9c156eSPhoebe Buckheister return ieee802154_nl_reply(msg, info);
6913e9c156eSPhoebe Buckheister out_free:
6923e9c156eSPhoebe Buckheister nlmsg_free(msg);
6933e9c156eSPhoebe Buckheister out_dev:
6943e9c156eSPhoebe Buckheister dev_put(dev);
6953e9c156eSPhoebe Buckheister return rc;
6963e9c156eSPhoebe Buckheister }
6973e9c156eSPhoebe Buckheister
ieee802154_llsec_setparams(struct sk_buff * skb,struct genl_info * info)6983e9c156eSPhoebe Buckheister int ieee802154_llsec_setparams(struct sk_buff *skb, struct genl_info *info)
6993e9c156eSPhoebe Buckheister {
7003e9c156eSPhoebe Buckheister struct net_device *dev = NULL;
7013e9c156eSPhoebe Buckheister int rc = -EINVAL;
7023e9c156eSPhoebe Buckheister struct ieee802154_mlme_ops *ops;
7033e9c156eSPhoebe Buckheister struct ieee802154_llsec_params params;
7043e9c156eSPhoebe Buckheister int changed = 0;
7053e9c156eSPhoebe Buckheister
7063e9c156eSPhoebe Buckheister pr_debug("%s\n", __func__);
7073e9c156eSPhoebe Buckheister
7083e9c156eSPhoebe Buckheister dev = ieee802154_nl_get_dev(info);
7093e9c156eSPhoebe Buckheister if (!dev)
7103e9c156eSPhoebe Buckheister return -ENODEV;
7113e9c156eSPhoebe Buckheister
7123e9c156eSPhoebe Buckheister if (!info->attrs[IEEE802154_ATTR_LLSEC_ENABLED] &&
7133e9c156eSPhoebe Buckheister !info->attrs[IEEE802154_ATTR_LLSEC_KEY_MODE] &&
7143e9c156eSPhoebe Buckheister !info->attrs[IEEE802154_ATTR_LLSEC_SECLEVEL])
7153e9c156eSPhoebe Buckheister goto out;
7163e9c156eSPhoebe Buckheister
7173e9c156eSPhoebe Buckheister ops = ieee802154_mlme_ops(dev);
7183e9c156eSPhoebe Buckheister if (!ops->llsec) {
7193e9c156eSPhoebe Buckheister rc = -EOPNOTSUPP;
7203e9c156eSPhoebe Buckheister goto out;
7213e9c156eSPhoebe Buckheister }
7223e9c156eSPhoebe Buckheister
7233e9c156eSPhoebe Buckheister if (info->attrs[IEEE802154_ATTR_LLSEC_SECLEVEL] &&
7243e9c156eSPhoebe Buckheister nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_SECLEVEL]) > 7)
7253e9c156eSPhoebe Buckheister goto out;
7263e9c156eSPhoebe Buckheister
7273e9c156eSPhoebe Buckheister if (info->attrs[IEEE802154_ATTR_LLSEC_ENABLED]) {
7283e9c156eSPhoebe Buckheister params.enabled = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_ENABLED]);
7293e9c156eSPhoebe Buckheister changed |= IEEE802154_LLSEC_PARAM_ENABLED;
7303e9c156eSPhoebe Buckheister }
7313e9c156eSPhoebe Buckheister
7323e9c156eSPhoebe Buckheister if (info->attrs[IEEE802154_ATTR_LLSEC_KEY_MODE]) {
7333e9c156eSPhoebe Buckheister if (ieee802154_llsec_parse_key_id(info, ¶ms.out_key))
7343e9c156eSPhoebe Buckheister goto out;
7353e9c156eSPhoebe Buckheister
7363e9c156eSPhoebe Buckheister changed |= IEEE802154_LLSEC_PARAM_OUT_KEY;
7373e9c156eSPhoebe Buckheister }
7383e9c156eSPhoebe Buckheister
7393e9c156eSPhoebe Buckheister if (info->attrs[IEEE802154_ATTR_LLSEC_SECLEVEL]) {
7403e9c156eSPhoebe Buckheister params.out_level = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_SECLEVEL]);
7413e9c156eSPhoebe Buckheister changed |= IEEE802154_LLSEC_PARAM_OUT_LEVEL;
7423e9c156eSPhoebe Buckheister }
7433e9c156eSPhoebe Buckheister
7443e9c156eSPhoebe Buckheister if (info->attrs[IEEE802154_ATTR_LLSEC_FRAME_COUNTER]) {
7453e9c156eSPhoebe Buckheister u32 fc = nla_get_u32(info->attrs[IEEE802154_ATTR_LLSEC_FRAME_COUNTER]);
7463e9c156eSPhoebe Buckheister
7473e9c156eSPhoebe Buckheister params.frame_counter = cpu_to_be32(fc);
7483e9c156eSPhoebe Buckheister changed |= IEEE802154_LLSEC_PARAM_FRAME_COUNTER;
7493e9c156eSPhoebe Buckheister }
7503e9c156eSPhoebe Buckheister
7513e9c156eSPhoebe Buckheister rc = ops->llsec->set_params(dev, ¶ms, changed);
7523e9c156eSPhoebe Buckheister
7533e9c156eSPhoebe Buckheister dev_put(dev);
7543e9c156eSPhoebe Buckheister
7553e9c156eSPhoebe Buckheister return rc;
7563e9c156eSPhoebe Buckheister out:
7573e9c156eSPhoebe Buckheister dev_put(dev);
7583e9c156eSPhoebe Buckheister return rc;
7593e9c156eSPhoebe Buckheister }
7603e9c156eSPhoebe Buckheister
7613e9c156eSPhoebe Buckheister struct llsec_dump_data {
7623e9c156eSPhoebe Buckheister struct sk_buff *skb;
7633e9c156eSPhoebe Buckheister int s_idx, s_idx2;
7643e9c156eSPhoebe Buckheister int portid;
7653e9c156eSPhoebe Buckheister int nlmsg_seq;
7663e9c156eSPhoebe Buckheister struct net_device *dev;
7673e9c156eSPhoebe Buckheister struct ieee802154_mlme_ops *ops;
7683e9c156eSPhoebe Buckheister struct ieee802154_llsec_table *table;
7693e9c156eSPhoebe Buckheister };
7703e9c156eSPhoebe Buckheister
7713e9c156eSPhoebe Buckheister static int
ieee802154_llsec_dump_table(struct sk_buff * skb,struct netlink_callback * cb,int (* step)(struct llsec_dump_data *))7723e9c156eSPhoebe Buckheister ieee802154_llsec_dump_table(struct sk_buff *skb, struct netlink_callback *cb,
7733e9c156eSPhoebe Buckheister int (*step)(struct llsec_dump_data *))
7743e9c156eSPhoebe Buckheister {
7753e9c156eSPhoebe Buckheister struct net *net = sock_net(skb->sk);
7763e9c156eSPhoebe Buckheister struct net_device *dev;
7773e9c156eSPhoebe Buckheister struct llsec_dump_data data;
7783e9c156eSPhoebe Buckheister int idx = 0;
7793e9c156eSPhoebe Buckheister int first_dev = cb->args[0];
7803e9c156eSPhoebe Buckheister int rc;
7813e9c156eSPhoebe Buckheister
7823e9c156eSPhoebe Buckheister for_each_netdev(net, dev) {
78301c8d2bbSLennert Buytenhek if (idx < first_dev || dev->type != ARPHRD_IEEE802154)
7843e9c156eSPhoebe Buckheister goto skip;
7853e9c156eSPhoebe Buckheister
7863e9c156eSPhoebe Buckheister data.ops = ieee802154_mlme_ops(dev);
7873e9c156eSPhoebe Buckheister if (!data.ops->llsec)
7883e9c156eSPhoebe Buckheister goto skip;
7893e9c156eSPhoebe Buckheister
7903e9c156eSPhoebe Buckheister data.skb = skb;
7913e9c156eSPhoebe Buckheister data.s_idx = cb->args[1];
7923e9c156eSPhoebe Buckheister data.s_idx2 = cb->args[2];
7933e9c156eSPhoebe Buckheister data.dev = dev;
7943e9c156eSPhoebe Buckheister data.portid = NETLINK_CB(cb->skb).portid;
7953e9c156eSPhoebe Buckheister data.nlmsg_seq = cb->nlh->nlmsg_seq;
7963e9c156eSPhoebe Buckheister
7973e9c156eSPhoebe Buckheister data.ops->llsec->lock_table(dev);
7983e9c156eSPhoebe Buckheister data.ops->llsec->get_table(data.dev, &data.table);
7993e9c156eSPhoebe Buckheister rc = step(&data);
8003e9c156eSPhoebe Buckheister data.ops->llsec->unlock_table(dev);
8013e9c156eSPhoebe Buckheister
8023e9c156eSPhoebe Buckheister if (rc < 0)
8033e9c156eSPhoebe Buckheister break;
8043e9c156eSPhoebe Buckheister
8053e9c156eSPhoebe Buckheister skip:
8063e9c156eSPhoebe Buckheister idx++;
8073e9c156eSPhoebe Buckheister }
8083e9c156eSPhoebe Buckheister cb->args[0] = idx;
8093e9c156eSPhoebe Buckheister
8103e9c156eSPhoebe Buckheister return skb->len;
8113e9c156eSPhoebe Buckheister }
8123e9c156eSPhoebe Buckheister
8133e9c156eSPhoebe Buckheister static int
ieee802154_nl_llsec_change(struct sk_buff * skb,struct genl_info * info,int (* fn)(struct net_device *,struct genl_info *))8143e9c156eSPhoebe Buckheister ieee802154_nl_llsec_change(struct sk_buff *skb, struct genl_info *info,
8153e9c156eSPhoebe Buckheister int (*fn)(struct net_device*, struct genl_info*))
8163e9c156eSPhoebe Buckheister {
8173e9c156eSPhoebe Buckheister struct net_device *dev = NULL;
8183e9c156eSPhoebe Buckheister int rc = -EINVAL;
8193e9c156eSPhoebe Buckheister
8203e9c156eSPhoebe Buckheister dev = ieee802154_nl_get_dev(info);
8213e9c156eSPhoebe Buckheister if (!dev)
8223e9c156eSPhoebe Buckheister return -ENODEV;
8233e9c156eSPhoebe Buckheister
8243e9c156eSPhoebe Buckheister if (!ieee802154_mlme_ops(dev)->llsec)
8253e9c156eSPhoebe Buckheister rc = -EOPNOTSUPP;
8263e9c156eSPhoebe Buckheister else
8273e9c156eSPhoebe Buckheister rc = fn(dev, info);
8283e9c156eSPhoebe Buckheister
8293e9c156eSPhoebe Buckheister dev_put(dev);
8303e9c156eSPhoebe Buckheister return rc;
8313e9c156eSPhoebe Buckheister }
8323e9c156eSPhoebe Buckheister
8333e9c156eSPhoebe Buckheister static int
ieee802154_llsec_parse_key(struct genl_info * info,struct ieee802154_llsec_key * key)8343e9c156eSPhoebe Buckheister ieee802154_llsec_parse_key(struct genl_info *info,
8353e9c156eSPhoebe Buckheister struct ieee802154_llsec_key *key)
8363e9c156eSPhoebe Buckheister {
8373e9c156eSPhoebe Buckheister u8 frames;
8383e9c156eSPhoebe Buckheister u32 commands[256 / 32];
8393e9c156eSPhoebe Buckheister
8403e9c156eSPhoebe Buckheister memset(key, 0, sizeof(*key));
8413e9c156eSPhoebe Buckheister
8423e9c156eSPhoebe Buckheister if (!info->attrs[IEEE802154_ATTR_LLSEC_KEY_USAGE_FRAME_TYPES] ||
8433e9c156eSPhoebe Buckheister !info->attrs[IEEE802154_ATTR_LLSEC_KEY_BYTES])
8443e9c156eSPhoebe Buckheister return -EINVAL;
8453e9c156eSPhoebe Buckheister
8463e9c156eSPhoebe Buckheister frames = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_KEY_USAGE_FRAME_TYPES]);
8473e9c156eSPhoebe Buckheister if ((frames & BIT(IEEE802154_FC_TYPE_MAC_CMD)) &&
8483e9c156eSPhoebe Buckheister !info->attrs[IEEE802154_ATTR_LLSEC_KEY_USAGE_COMMANDS])
8493e9c156eSPhoebe Buckheister return -EINVAL;
8503e9c156eSPhoebe Buckheister
8513e9c156eSPhoebe Buckheister if (info->attrs[IEEE802154_ATTR_LLSEC_KEY_USAGE_COMMANDS]) {
8523e9c156eSPhoebe Buckheister nla_memcpy(commands,
8533e9c156eSPhoebe Buckheister info->attrs[IEEE802154_ATTR_LLSEC_KEY_USAGE_COMMANDS],
8543e9c156eSPhoebe Buckheister 256 / 8);
8553e9c156eSPhoebe Buckheister
8563e9c156eSPhoebe Buckheister if (commands[0] || commands[1] || commands[2] || commands[3] ||
8573e9c156eSPhoebe Buckheister commands[4] || commands[5] || commands[6] ||
8583e9c156eSPhoebe Buckheister commands[7] >= BIT(IEEE802154_CMD_GTS_REQ + 1))
8593e9c156eSPhoebe Buckheister return -EINVAL;
8603e9c156eSPhoebe Buckheister
8613e9c156eSPhoebe Buckheister key->cmd_frame_ids = commands[7];
8623e9c156eSPhoebe Buckheister }
8633e9c156eSPhoebe Buckheister
8643e9c156eSPhoebe Buckheister key->frame_types = frames;
8653e9c156eSPhoebe Buckheister
8663e9c156eSPhoebe Buckheister nla_memcpy(key->key, info->attrs[IEEE802154_ATTR_LLSEC_KEY_BYTES],
8673e9c156eSPhoebe Buckheister IEEE802154_LLSEC_KEY_SIZE);
8683e9c156eSPhoebe Buckheister
8693e9c156eSPhoebe Buckheister return 0;
8703e9c156eSPhoebe Buckheister }
8713e9c156eSPhoebe Buckheister
llsec_add_key(struct net_device * dev,struct genl_info * info)8723e9c156eSPhoebe Buckheister static int llsec_add_key(struct net_device *dev, struct genl_info *info)
8733e9c156eSPhoebe Buckheister {
8743e9c156eSPhoebe Buckheister struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev);
8753e9c156eSPhoebe Buckheister struct ieee802154_llsec_key key;
8763e9c156eSPhoebe Buckheister struct ieee802154_llsec_key_id id;
8773e9c156eSPhoebe Buckheister
8783e9c156eSPhoebe Buckheister if (ieee802154_llsec_parse_key(info, &key) ||
8793e9c156eSPhoebe Buckheister ieee802154_llsec_parse_key_id(info, &id))
8803e9c156eSPhoebe Buckheister return -EINVAL;
8813e9c156eSPhoebe Buckheister
8823e9c156eSPhoebe Buckheister return ops->llsec->add_key(dev, &id, &key);
8833e9c156eSPhoebe Buckheister }
8843e9c156eSPhoebe Buckheister
ieee802154_llsec_add_key(struct sk_buff * skb,struct genl_info * info)8853e9c156eSPhoebe Buckheister int ieee802154_llsec_add_key(struct sk_buff *skb, struct genl_info *info)
8863e9c156eSPhoebe Buckheister {
8873e9c156eSPhoebe Buckheister if ((info->nlhdr->nlmsg_flags & (NLM_F_CREATE | NLM_F_EXCL)) !=
8883e9c156eSPhoebe Buckheister (NLM_F_CREATE | NLM_F_EXCL))
8893e9c156eSPhoebe Buckheister return -EINVAL;
8903e9c156eSPhoebe Buckheister
8913e9c156eSPhoebe Buckheister return ieee802154_nl_llsec_change(skb, info, llsec_add_key);
8923e9c156eSPhoebe Buckheister }
8933e9c156eSPhoebe Buckheister
llsec_remove_key(struct net_device * dev,struct genl_info * info)8943e9c156eSPhoebe Buckheister static int llsec_remove_key(struct net_device *dev, struct genl_info *info)
8953e9c156eSPhoebe Buckheister {
8963e9c156eSPhoebe Buckheister struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev);
8973e9c156eSPhoebe Buckheister struct ieee802154_llsec_key_id id;
8983e9c156eSPhoebe Buckheister
8993e9c156eSPhoebe Buckheister if (ieee802154_llsec_parse_key_id(info, &id))
9003e9c156eSPhoebe Buckheister return -EINVAL;
9013e9c156eSPhoebe Buckheister
9023e9c156eSPhoebe Buckheister return ops->llsec->del_key(dev, &id);
9033e9c156eSPhoebe Buckheister }
9043e9c156eSPhoebe Buckheister
ieee802154_llsec_del_key(struct sk_buff * skb,struct genl_info * info)9053e9c156eSPhoebe Buckheister int ieee802154_llsec_del_key(struct sk_buff *skb, struct genl_info *info)
9063e9c156eSPhoebe Buckheister {
9073e9c156eSPhoebe Buckheister return ieee802154_nl_llsec_change(skb, info, llsec_remove_key);
9083e9c156eSPhoebe Buckheister }
9093e9c156eSPhoebe Buckheister
9103e9c156eSPhoebe Buckheister static int
ieee802154_nl_fill_key(struct sk_buff * msg,u32 portid,u32 seq,const struct ieee802154_llsec_key_entry * key,const struct net_device * dev)9113e9c156eSPhoebe Buckheister ieee802154_nl_fill_key(struct sk_buff *msg, u32 portid, u32 seq,
9123e9c156eSPhoebe Buckheister const struct ieee802154_llsec_key_entry *key,
9133e9c156eSPhoebe Buckheister const struct net_device *dev)
9143e9c156eSPhoebe Buckheister {
9153e9c156eSPhoebe Buckheister void *hdr;
9163e9c156eSPhoebe Buckheister u32 commands[256 / 32];
9173e9c156eSPhoebe Buckheister
9183e9c156eSPhoebe Buckheister hdr = genlmsg_put(msg, 0, seq, &nl802154_family, NLM_F_MULTI,
9193e9c156eSPhoebe Buckheister IEEE802154_LLSEC_LIST_KEY);
9203e9c156eSPhoebe Buckheister if (!hdr)
9213e9c156eSPhoebe Buckheister goto out;
9223e9c156eSPhoebe Buckheister
9233e9c156eSPhoebe Buckheister if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) ||
9243e9c156eSPhoebe Buckheister nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) ||
9253e9c156eSPhoebe Buckheister ieee802154_llsec_fill_key_id(msg, &key->id) ||
9263e9c156eSPhoebe Buckheister nla_put_u8(msg, IEEE802154_ATTR_LLSEC_KEY_USAGE_FRAME_TYPES,
9273e9c156eSPhoebe Buckheister key->key->frame_types))
9283e9c156eSPhoebe Buckheister goto nla_put_failure;
9293e9c156eSPhoebe Buckheister
9303e9c156eSPhoebe Buckheister if (key->key->frame_types & BIT(IEEE802154_FC_TYPE_MAC_CMD)) {
9313e9c156eSPhoebe Buckheister memset(commands, 0, sizeof(commands));
9323e9c156eSPhoebe Buckheister commands[7] = key->key->cmd_frame_ids;
9333e9c156eSPhoebe Buckheister if (nla_put(msg, IEEE802154_ATTR_LLSEC_KEY_USAGE_COMMANDS,
9343e9c156eSPhoebe Buckheister sizeof(commands), commands))
9353e9c156eSPhoebe Buckheister goto nla_put_failure;
9363e9c156eSPhoebe Buckheister }
9373e9c156eSPhoebe Buckheister
9383e9c156eSPhoebe Buckheister if (nla_put(msg, IEEE802154_ATTR_LLSEC_KEY_BYTES,
9393e9c156eSPhoebe Buckheister IEEE802154_LLSEC_KEY_SIZE, key->key->key))
9403e9c156eSPhoebe Buckheister goto nla_put_failure;
9413e9c156eSPhoebe Buckheister
9423e9c156eSPhoebe Buckheister genlmsg_end(msg, hdr);
9433e9c156eSPhoebe Buckheister return 0;
9443e9c156eSPhoebe Buckheister
9453e9c156eSPhoebe Buckheister nla_put_failure:
9463e9c156eSPhoebe Buckheister genlmsg_cancel(msg, hdr);
9473e9c156eSPhoebe Buckheister out:
9483e9c156eSPhoebe Buckheister return -EMSGSIZE;
9493e9c156eSPhoebe Buckheister }
9503e9c156eSPhoebe Buckheister
llsec_iter_keys(struct llsec_dump_data * data)9513e9c156eSPhoebe Buckheister static int llsec_iter_keys(struct llsec_dump_data *data)
9523e9c156eSPhoebe Buckheister {
9533e9c156eSPhoebe Buckheister struct ieee802154_llsec_key_entry *pos;
9543e9c156eSPhoebe Buckheister int rc = 0, idx = 0;
9553e9c156eSPhoebe Buckheister
9563e9c156eSPhoebe Buckheister list_for_each_entry(pos, &data->table->keys, list) {
9573e9c156eSPhoebe Buckheister if (idx++ < data->s_idx)
9583e9c156eSPhoebe Buckheister continue;
9593e9c156eSPhoebe Buckheister
9603e9c156eSPhoebe Buckheister if (ieee802154_nl_fill_key(data->skb, data->portid,
9613e9c156eSPhoebe Buckheister data->nlmsg_seq, pos, data->dev)) {
9623e9c156eSPhoebe Buckheister rc = -EMSGSIZE;
9633e9c156eSPhoebe Buckheister break;
9643e9c156eSPhoebe Buckheister }
9653e9c156eSPhoebe Buckheister
9663e9c156eSPhoebe Buckheister data->s_idx++;
9673e9c156eSPhoebe Buckheister }
9683e9c156eSPhoebe Buckheister
9693e9c156eSPhoebe Buckheister return rc;
9703e9c156eSPhoebe Buckheister }
9713e9c156eSPhoebe Buckheister
ieee802154_llsec_dump_keys(struct sk_buff * skb,struct netlink_callback * cb)9723e9c156eSPhoebe Buckheister int ieee802154_llsec_dump_keys(struct sk_buff *skb, struct netlink_callback *cb)
9733e9c156eSPhoebe Buckheister {
9743e9c156eSPhoebe Buckheister return ieee802154_llsec_dump_table(skb, cb, llsec_iter_keys);
9753e9c156eSPhoebe Buckheister }
9763e9c156eSPhoebe Buckheister
9773e9c156eSPhoebe Buckheister static int
llsec_parse_dev(struct genl_info * info,struct ieee802154_llsec_device * dev)9783e9c156eSPhoebe Buckheister llsec_parse_dev(struct genl_info *info,
9793e9c156eSPhoebe Buckheister struct ieee802154_llsec_device *dev)
9803e9c156eSPhoebe Buckheister {
9813e9c156eSPhoebe Buckheister memset(dev, 0, sizeof(*dev));
9823e9c156eSPhoebe Buckheister
9833e9c156eSPhoebe Buckheister if (!info->attrs[IEEE802154_ATTR_LLSEC_FRAME_COUNTER] ||
9843e9c156eSPhoebe Buckheister !info->attrs[IEEE802154_ATTR_HW_ADDR] ||
9853e9c156eSPhoebe Buckheister !info->attrs[IEEE802154_ATTR_LLSEC_DEV_OVERRIDE] ||
9863e9c156eSPhoebe Buckheister !info->attrs[IEEE802154_ATTR_LLSEC_DEV_KEY_MODE] ||
9873e9c156eSPhoebe Buckheister (!!info->attrs[IEEE802154_ATTR_PAN_ID] !=
9883e9c156eSPhoebe Buckheister !!info->attrs[IEEE802154_ATTR_SHORT_ADDR]))
9893e9c156eSPhoebe Buckheister return -EINVAL;
9903e9c156eSPhoebe Buckheister
9913e9c156eSPhoebe Buckheister if (info->attrs[IEEE802154_ATTR_PAN_ID]) {
9923e9c156eSPhoebe Buckheister dev->pan_id = nla_get_shortaddr(info->attrs[IEEE802154_ATTR_PAN_ID]);
9933e9c156eSPhoebe Buckheister dev->short_addr = nla_get_shortaddr(info->attrs[IEEE802154_ATTR_SHORT_ADDR]);
9943e9c156eSPhoebe Buckheister } else {
9953e9c156eSPhoebe Buckheister dev->short_addr = cpu_to_le16(IEEE802154_ADDR_UNDEF);
9963e9c156eSPhoebe Buckheister }
9973e9c156eSPhoebe Buckheister
9983e9c156eSPhoebe Buckheister dev->hwaddr = nla_get_hwaddr(info->attrs[IEEE802154_ATTR_HW_ADDR]);
9993e9c156eSPhoebe Buckheister dev->frame_counter = nla_get_u32(info->attrs[IEEE802154_ATTR_LLSEC_FRAME_COUNTER]);
10003e9c156eSPhoebe Buckheister dev->seclevel_exempt = !!nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_DEV_OVERRIDE]);
10013e9c156eSPhoebe Buckheister dev->key_mode = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_DEV_KEY_MODE]);
10023e9c156eSPhoebe Buckheister
10033e9c156eSPhoebe Buckheister if (dev->key_mode >= __IEEE802154_LLSEC_DEVKEY_MAX)
10043e9c156eSPhoebe Buckheister return -EINVAL;
10053e9c156eSPhoebe Buckheister
10063e9c156eSPhoebe Buckheister return 0;
10073e9c156eSPhoebe Buckheister }
10083e9c156eSPhoebe Buckheister
llsec_add_dev(struct net_device * dev,struct genl_info * info)10093e9c156eSPhoebe Buckheister static int llsec_add_dev(struct net_device *dev, struct genl_info *info)
10103e9c156eSPhoebe Buckheister {
10113e9c156eSPhoebe Buckheister struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev);
10123e9c156eSPhoebe Buckheister struct ieee802154_llsec_device desc;
10133e9c156eSPhoebe Buckheister
10143e9c156eSPhoebe Buckheister if (llsec_parse_dev(info, &desc))
10153e9c156eSPhoebe Buckheister return -EINVAL;
10163e9c156eSPhoebe Buckheister
10173e9c156eSPhoebe Buckheister return ops->llsec->add_dev(dev, &desc);
10183e9c156eSPhoebe Buckheister }
10193e9c156eSPhoebe Buckheister
ieee802154_llsec_add_dev(struct sk_buff * skb,struct genl_info * info)10203e9c156eSPhoebe Buckheister int ieee802154_llsec_add_dev(struct sk_buff *skb, struct genl_info *info)
10213e9c156eSPhoebe Buckheister {
10223e9c156eSPhoebe Buckheister if ((info->nlhdr->nlmsg_flags & (NLM_F_CREATE | NLM_F_EXCL)) !=
10233e9c156eSPhoebe Buckheister (NLM_F_CREATE | NLM_F_EXCL))
10243e9c156eSPhoebe Buckheister return -EINVAL;
10253e9c156eSPhoebe Buckheister
10263e9c156eSPhoebe Buckheister return ieee802154_nl_llsec_change(skb, info, llsec_add_dev);
10273e9c156eSPhoebe Buckheister }
10283e9c156eSPhoebe Buckheister
llsec_del_dev(struct net_device * dev,struct genl_info * info)10293e9c156eSPhoebe Buckheister static int llsec_del_dev(struct net_device *dev, struct genl_info *info)
10303e9c156eSPhoebe Buckheister {
10313e9c156eSPhoebe Buckheister struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev);
10323e9c156eSPhoebe Buckheister __le64 devaddr;
10333e9c156eSPhoebe Buckheister
10343e9c156eSPhoebe Buckheister if (!info->attrs[IEEE802154_ATTR_HW_ADDR])
10353e9c156eSPhoebe Buckheister return -EINVAL;
10363e9c156eSPhoebe Buckheister
10373e9c156eSPhoebe Buckheister devaddr = nla_get_hwaddr(info->attrs[IEEE802154_ATTR_HW_ADDR]);
10383e9c156eSPhoebe Buckheister
10393e9c156eSPhoebe Buckheister return ops->llsec->del_dev(dev, devaddr);
10403e9c156eSPhoebe Buckheister }
10413e9c156eSPhoebe Buckheister
ieee802154_llsec_del_dev(struct sk_buff * skb,struct genl_info * info)10423e9c156eSPhoebe Buckheister int ieee802154_llsec_del_dev(struct sk_buff *skb, struct genl_info *info)
10433e9c156eSPhoebe Buckheister {
10443e9c156eSPhoebe Buckheister return ieee802154_nl_llsec_change(skb, info, llsec_del_dev);
10453e9c156eSPhoebe Buckheister }
10463e9c156eSPhoebe Buckheister
10473e9c156eSPhoebe Buckheister static int
ieee802154_nl_fill_dev(struct sk_buff * msg,u32 portid,u32 seq,const struct ieee802154_llsec_device * desc,const struct net_device * dev)10483e9c156eSPhoebe Buckheister ieee802154_nl_fill_dev(struct sk_buff *msg, u32 portid, u32 seq,
10493e9c156eSPhoebe Buckheister const struct ieee802154_llsec_device *desc,
10503e9c156eSPhoebe Buckheister const struct net_device *dev)
10513e9c156eSPhoebe Buckheister {
10523e9c156eSPhoebe Buckheister void *hdr;
10533e9c156eSPhoebe Buckheister
10543e9c156eSPhoebe Buckheister hdr = genlmsg_put(msg, 0, seq, &nl802154_family, NLM_F_MULTI,
10553e9c156eSPhoebe Buckheister IEEE802154_LLSEC_LIST_DEV);
10563e9c156eSPhoebe Buckheister if (!hdr)
10573e9c156eSPhoebe Buckheister goto out;
10583e9c156eSPhoebe Buckheister
10593e9c156eSPhoebe Buckheister if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) ||
10603e9c156eSPhoebe Buckheister nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) ||
10613e9c156eSPhoebe Buckheister nla_put_shortaddr(msg, IEEE802154_ATTR_PAN_ID, desc->pan_id) ||
10623e9c156eSPhoebe Buckheister nla_put_shortaddr(msg, IEEE802154_ATTR_SHORT_ADDR,
10633e9c156eSPhoebe Buckheister desc->short_addr) ||
1064a558da09SNicolas Dichtel nla_put_hwaddr(msg, IEEE802154_ATTR_HW_ADDR, desc->hwaddr,
1065a558da09SNicolas Dichtel IEEE802154_ATTR_PAD) ||
10663e9c156eSPhoebe Buckheister nla_put_u32(msg, IEEE802154_ATTR_LLSEC_FRAME_COUNTER,
10673e9c156eSPhoebe Buckheister desc->frame_counter) ||
10683e9c156eSPhoebe Buckheister nla_put_u8(msg, IEEE802154_ATTR_LLSEC_DEV_OVERRIDE,
10693e9c156eSPhoebe Buckheister desc->seclevel_exempt) ||
10703e9c156eSPhoebe Buckheister nla_put_u8(msg, IEEE802154_ATTR_LLSEC_DEV_KEY_MODE, desc->key_mode))
10713e9c156eSPhoebe Buckheister goto nla_put_failure;
10723e9c156eSPhoebe Buckheister
10733e9c156eSPhoebe Buckheister genlmsg_end(msg, hdr);
10743e9c156eSPhoebe Buckheister return 0;
10753e9c156eSPhoebe Buckheister
10763e9c156eSPhoebe Buckheister nla_put_failure:
10773e9c156eSPhoebe Buckheister genlmsg_cancel(msg, hdr);
10783e9c156eSPhoebe Buckheister out:
10793e9c156eSPhoebe Buckheister return -EMSGSIZE;
10803e9c156eSPhoebe Buckheister }
10813e9c156eSPhoebe Buckheister
llsec_iter_devs(struct llsec_dump_data * data)10823e9c156eSPhoebe Buckheister static int llsec_iter_devs(struct llsec_dump_data *data)
10833e9c156eSPhoebe Buckheister {
10843e9c156eSPhoebe Buckheister struct ieee802154_llsec_device *pos;
10853e9c156eSPhoebe Buckheister int rc = 0, idx = 0;
10863e9c156eSPhoebe Buckheister
10873e9c156eSPhoebe Buckheister list_for_each_entry(pos, &data->table->devices, list) {
10883e9c156eSPhoebe Buckheister if (idx++ < data->s_idx)
10893e9c156eSPhoebe Buckheister continue;
10903e9c156eSPhoebe Buckheister
10913e9c156eSPhoebe Buckheister if (ieee802154_nl_fill_dev(data->skb, data->portid,
10923e9c156eSPhoebe Buckheister data->nlmsg_seq, pos, data->dev)) {
10933e9c156eSPhoebe Buckheister rc = -EMSGSIZE;
10943e9c156eSPhoebe Buckheister break;
10953e9c156eSPhoebe Buckheister }
10963e9c156eSPhoebe Buckheister
10973e9c156eSPhoebe Buckheister data->s_idx++;
10983e9c156eSPhoebe Buckheister }
10993e9c156eSPhoebe Buckheister
11003e9c156eSPhoebe Buckheister return rc;
11013e9c156eSPhoebe Buckheister }
11023e9c156eSPhoebe Buckheister
ieee802154_llsec_dump_devs(struct sk_buff * skb,struct netlink_callback * cb)11033e9c156eSPhoebe Buckheister int ieee802154_llsec_dump_devs(struct sk_buff *skb, struct netlink_callback *cb)
11043e9c156eSPhoebe Buckheister {
11053e9c156eSPhoebe Buckheister return ieee802154_llsec_dump_table(skb, cb, llsec_iter_devs);
11063e9c156eSPhoebe Buckheister }
11073e9c156eSPhoebe Buckheister
llsec_add_devkey(struct net_device * dev,struct genl_info * info)11083e9c156eSPhoebe Buckheister static int llsec_add_devkey(struct net_device *dev, struct genl_info *info)
11093e9c156eSPhoebe Buckheister {
11103e9c156eSPhoebe Buckheister struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev);
11113e9c156eSPhoebe Buckheister struct ieee802154_llsec_device_key key;
11123e9c156eSPhoebe Buckheister __le64 devaddr;
11133e9c156eSPhoebe Buckheister
11143e9c156eSPhoebe Buckheister if (!info->attrs[IEEE802154_ATTR_LLSEC_FRAME_COUNTER] ||
11153e9c156eSPhoebe Buckheister !info->attrs[IEEE802154_ATTR_HW_ADDR] ||
11163e9c156eSPhoebe Buckheister ieee802154_llsec_parse_key_id(info, &key.key_id))
11173e9c156eSPhoebe Buckheister return -EINVAL;
11183e9c156eSPhoebe Buckheister
11193e9c156eSPhoebe Buckheister devaddr = nla_get_hwaddr(info->attrs[IEEE802154_ATTR_HW_ADDR]);
11203e9c156eSPhoebe Buckheister key.frame_counter = nla_get_u32(info->attrs[IEEE802154_ATTR_LLSEC_FRAME_COUNTER]);
11213e9c156eSPhoebe Buckheister
11223e9c156eSPhoebe Buckheister return ops->llsec->add_devkey(dev, devaddr, &key);
11233e9c156eSPhoebe Buckheister }
11243e9c156eSPhoebe Buckheister
ieee802154_llsec_add_devkey(struct sk_buff * skb,struct genl_info * info)11253e9c156eSPhoebe Buckheister int ieee802154_llsec_add_devkey(struct sk_buff *skb, struct genl_info *info)
11263e9c156eSPhoebe Buckheister {
11273e9c156eSPhoebe Buckheister if ((info->nlhdr->nlmsg_flags & (NLM_F_CREATE | NLM_F_EXCL)) !=
11283e9c156eSPhoebe Buckheister (NLM_F_CREATE | NLM_F_EXCL))
11293e9c156eSPhoebe Buckheister return -EINVAL;
11303e9c156eSPhoebe Buckheister
11313e9c156eSPhoebe Buckheister return ieee802154_nl_llsec_change(skb, info, llsec_add_devkey);
11323e9c156eSPhoebe Buckheister }
11333e9c156eSPhoebe Buckheister
llsec_del_devkey(struct net_device * dev,struct genl_info * info)11343e9c156eSPhoebe Buckheister static int llsec_del_devkey(struct net_device *dev, struct genl_info *info)
11353e9c156eSPhoebe Buckheister {
11363e9c156eSPhoebe Buckheister struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev);
11373e9c156eSPhoebe Buckheister struct ieee802154_llsec_device_key key;
11383e9c156eSPhoebe Buckheister __le64 devaddr;
11393e9c156eSPhoebe Buckheister
11403e9c156eSPhoebe Buckheister if (!info->attrs[IEEE802154_ATTR_HW_ADDR] ||
11413e9c156eSPhoebe Buckheister ieee802154_llsec_parse_key_id(info, &key.key_id))
11423e9c156eSPhoebe Buckheister return -EINVAL;
11433e9c156eSPhoebe Buckheister
11443e9c156eSPhoebe Buckheister devaddr = nla_get_hwaddr(info->attrs[IEEE802154_ATTR_HW_ADDR]);
11453e9c156eSPhoebe Buckheister
11463e9c156eSPhoebe Buckheister return ops->llsec->del_devkey(dev, devaddr, &key);
11473e9c156eSPhoebe Buckheister }
11483e9c156eSPhoebe Buckheister
ieee802154_llsec_del_devkey(struct sk_buff * skb,struct genl_info * info)11493e9c156eSPhoebe Buckheister int ieee802154_llsec_del_devkey(struct sk_buff *skb, struct genl_info *info)
11503e9c156eSPhoebe Buckheister {
11513e9c156eSPhoebe Buckheister return ieee802154_nl_llsec_change(skb, info, llsec_del_devkey);
11523e9c156eSPhoebe Buckheister }
11533e9c156eSPhoebe Buckheister
11543e9c156eSPhoebe Buckheister static int
ieee802154_nl_fill_devkey(struct sk_buff * msg,u32 portid,u32 seq,__le64 devaddr,const struct ieee802154_llsec_device_key * devkey,const struct net_device * dev)11553e9c156eSPhoebe Buckheister ieee802154_nl_fill_devkey(struct sk_buff *msg, u32 portid, u32 seq,
11563e9c156eSPhoebe Buckheister __le64 devaddr,
11573e9c156eSPhoebe Buckheister const struct ieee802154_llsec_device_key *devkey,
11583e9c156eSPhoebe Buckheister const struct net_device *dev)
11593e9c156eSPhoebe Buckheister {
11603e9c156eSPhoebe Buckheister void *hdr;
11613e9c156eSPhoebe Buckheister
11623e9c156eSPhoebe Buckheister hdr = genlmsg_put(msg, 0, seq, &nl802154_family, NLM_F_MULTI,
11633e9c156eSPhoebe Buckheister IEEE802154_LLSEC_LIST_DEVKEY);
11643e9c156eSPhoebe Buckheister if (!hdr)
11653e9c156eSPhoebe Buckheister goto out;
11663e9c156eSPhoebe Buckheister
11673e9c156eSPhoebe Buckheister if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) ||
11683e9c156eSPhoebe Buckheister nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) ||
1169a558da09SNicolas Dichtel nla_put_hwaddr(msg, IEEE802154_ATTR_HW_ADDR, devaddr,
1170a558da09SNicolas Dichtel IEEE802154_ATTR_PAD) ||
11713e9c156eSPhoebe Buckheister nla_put_u32(msg, IEEE802154_ATTR_LLSEC_FRAME_COUNTER,
11723e9c156eSPhoebe Buckheister devkey->frame_counter) ||
11733e9c156eSPhoebe Buckheister ieee802154_llsec_fill_key_id(msg, &devkey->key_id))
11743e9c156eSPhoebe Buckheister goto nla_put_failure;
11753e9c156eSPhoebe Buckheister
11763e9c156eSPhoebe Buckheister genlmsg_end(msg, hdr);
11773e9c156eSPhoebe Buckheister return 0;
11783e9c156eSPhoebe Buckheister
11793e9c156eSPhoebe Buckheister nla_put_failure:
11803e9c156eSPhoebe Buckheister genlmsg_cancel(msg, hdr);
11813e9c156eSPhoebe Buckheister out:
11823e9c156eSPhoebe Buckheister return -EMSGSIZE;
11833e9c156eSPhoebe Buckheister }
11843e9c156eSPhoebe Buckheister
llsec_iter_devkeys(struct llsec_dump_data * data)11853e9c156eSPhoebe Buckheister static int llsec_iter_devkeys(struct llsec_dump_data *data)
11863e9c156eSPhoebe Buckheister {
11873e9c156eSPhoebe Buckheister struct ieee802154_llsec_device *dpos;
11883e9c156eSPhoebe Buckheister struct ieee802154_llsec_device_key *kpos;
1189ad6f5cc5SYang Li int idx = 0, idx2;
11903e9c156eSPhoebe Buckheister
11913e9c156eSPhoebe Buckheister list_for_each_entry(dpos, &data->table->devices, list) {
11923e9c156eSPhoebe Buckheister if (idx++ < data->s_idx)
11933e9c156eSPhoebe Buckheister continue;
11943e9c156eSPhoebe Buckheister
11953e9c156eSPhoebe Buckheister idx2 = 0;
11963e9c156eSPhoebe Buckheister
11973e9c156eSPhoebe Buckheister list_for_each_entry(kpos, &dpos->keys, list) {
11983e9c156eSPhoebe Buckheister if (idx2++ < data->s_idx2)
11993e9c156eSPhoebe Buckheister continue;
12003e9c156eSPhoebe Buckheister
12013e9c156eSPhoebe Buckheister if (ieee802154_nl_fill_devkey(data->skb, data->portid,
12023e9c156eSPhoebe Buckheister data->nlmsg_seq,
12033e9c156eSPhoebe Buckheister dpos->hwaddr, kpos,
12043e9c156eSPhoebe Buckheister data->dev)) {
1205ad6f5cc5SYang Li return -EMSGSIZE;
12063e9c156eSPhoebe Buckheister }
12073e9c156eSPhoebe Buckheister
12083e9c156eSPhoebe Buckheister data->s_idx2++;
12093e9c156eSPhoebe Buckheister }
12103e9c156eSPhoebe Buckheister
12113e9c156eSPhoebe Buckheister data->s_idx++;
12123e9c156eSPhoebe Buckheister }
12133e9c156eSPhoebe Buckheister
1214ad6f5cc5SYang Li return 0;
12153e9c156eSPhoebe Buckheister }
12163e9c156eSPhoebe Buckheister
ieee802154_llsec_dump_devkeys(struct sk_buff * skb,struct netlink_callback * cb)12173e9c156eSPhoebe Buckheister int ieee802154_llsec_dump_devkeys(struct sk_buff *skb,
12183e9c156eSPhoebe Buckheister struct netlink_callback *cb)
12193e9c156eSPhoebe Buckheister {
12203e9c156eSPhoebe Buckheister return ieee802154_llsec_dump_table(skb, cb, llsec_iter_devkeys);
12213e9c156eSPhoebe Buckheister }
12223e9c156eSPhoebe Buckheister
12233e9c156eSPhoebe Buckheister static int
llsec_parse_seclevel(struct genl_info * info,struct ieee802154_llsec_seclevel * sl)12243e9c156eSPhoebe Buckheister llsec_parse_seclevel(struct genl_info *info,
12253e9c156eSPhoebe Buckheister struct ieee802154_llsec_seclevel *sl)
12263e9c156eSPhoebe Buckheister {
12273e9c156eSPhoebe Buckheister memset(sl, 0, sizeof(*sl));
12283e9c156eSPhoebe Buckheister
12293e9c156eSPhoebe Buckheister if (!info->attrs[IEEE802154_ATTR_LLSEC_FRAME_TYPE] ||
12303e9c156eSPhoebe Buckheister !info->attrs[IEEE802154_ATTR_LLSEC_SECLEVELS] ||
12313e9c156eSPhoebe Buckheister !info->attrs[IEEE802154_ATTR_LLSEC_DEV_OVERRIDE])
12323e9c156eSPhoebe Buckheister return -EINVAL;
12333e9c156eSPhoebe Buckheister
12343e9c156eSPhoebe Buckheister sl->frame_type = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_FRAME_TYPE]);
12353e9c156eSPhoebe Buckheister if (sl->frame_type == IEEE802154_FC_TYPE_MAC_CMD) {
12363e9c156eSPhoebe Buckheister if (!info->attrs[IEEE802154_ATTR_LLSEC_CMD_FRAME_ID])
12373e9c156eSPhoebe Buckheister return -EINVAL;
12383e9c156eSPhoebe Buckheister
12393e9c156eSPhoebe Buckheister sl->cmd_frame_id = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_CMD_FRAME_ID]);
12403e9c156eSPhoebe Buckheister }
12413e9c156eSPhoebe Buckheister
12423e9c156eSPhoebe Buckheister sl->sec_levels = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_SECLEVELS]);
12433e9c156eSPhoebe Buckheister sl->device_override = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_DEV_OVERRIDE]);
12443e9c156eSPhoebe Buckheister
12453e9c156eSPhoebe Buckheister return 0;
12463e9c156eSPhoebe Buckheister }
12473e9c156eSPhoebe Buckheister
llsec_add_seclevel(struct net_device * dev,struct genl_info * info)12483e9c156eSPhoebe Buckheister static int llsec_add_seclevel(struct net_device *dev, struct genl_info *info)
12493e9c156eSPhoebe Buckheister {
12503e9c156eSPhoebe Buckheister struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev);
12513e9c156eSPhoebe Buckheister struct ieee802154_llsec_seclevel sl;
12523e9c156eSPhoebe Buckheister
12533e9c156eSPhoebe Buckheister if (llsec_parse_seclevel(info, &sl))
12543e9c156eSPhoebe Buckheister return -EINVAL;
12553e9c156eSPhoebe Buckheister
12563e9c156eSPhoebe Buckheister return ops->llsec->add_seclevel(dev, &sl);
12573e9c156eSPhoebe Buckheister }
12583e9c156eSPhoebe Buckheister
ieee802154_llsec_add_seclevel(struct sk_buff * skb,struct genl_info * info)12593e9c156eSPhoebe Buckheister int ieee802154_llsec_add_seclevel(struct sk_buff *skb, struct genl_info *info)
12603e9c156eSPhoebe Buckheister {
12613e9c156eSPhoebe Buckheister if ((info->nlhdr->nlmsg_flags & (NLM_F_CREATE | NLM_F_EXCL)) !=
12623e9c156eSPhoebe Buckheister (NLM_F_CREATE | NLM_F_EXCL))
12633e9c156eSPhoebe Buckheister return -EINVAL;
12643e9c156eSPhoebe Buckheister
12653e9c156eSPhoebe Buckheister return ieee802154_nl_llsec_change(skb, info, llsec_add_seclevel);
12663e9c156eSPhoebe Buckheister }
12673e9c156eSPhoebe Buckheister
llsec_del_seclevel(struct net_device * dev,struct genl_info * info)12683e9c156eSPhoebe Buckheister static int llsec_del_seclevel(struct net_device *dev, struct genl_info *info)
12693e9c156eSPhoebe Buckheister {
12703e9c156eSPhoebe Buckheister struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev);
12713e9c156eSPhoebe Buckheister struct ieee802154_llsec_seclevel sl;
12723e9c156eSPhoebe Buckheister
12733e9c156eSPhoebe Buckheister if (llsec_parse_seclevel(info, &sl))
12743e9c156eSPhoebe Buckheister return -EINVAL;
12753e9c156eSPhoebe Buckheister
12763e9c156eSPhoebe Buckheister return ops->llsec->del_seclevel(dev, &sl);
12773e9c156eSPhoebe Buckheister }
12783e9c156eSPhoebe Buckheister
ieee802154_llsec_del_seclevel(struct sk_buff * skb,struct genl_info * info)12793e9c156eSPhoebe Buckheister int ieee802154_llsec_del_seclevel(struct sk_buff *skb, struct genl_info *info)
12803e9c156eSPhoebe Buckheister {
12813e9c156eSPhoebe Buckheister return ieee802154_nl_llsec_change(skb, info, llsec_del_seclevel);
12823e9c156eSPhoebe Buckheister }
12833e9c156eSPhoebe Buckheister
12843e9c156eSPhoebe Buckheister static int
ieee802154_nl_fill_seclevel(struct sk_buff * msg,u32 portid,u32 seq,const struct ieee802154_llsec_seclevel * sl,const struct net_device * dev)12853e9c156eSPhoebe Buckheister ieee802154_nl_fill_seclevel(struct sk_buff *msg, u32 portid, u32 seq,
12863e9c156eSPhoebe Buckheister const struct ieee802154_llsec_seclevel *sl,
12873e9c156eSPhoebe Buckheister const struct net_device *dev)
12883e9c156eSPhoebe Buckheister {
12893e9c156eSPhoebe Buckheister void *hdr;
12903e9c156eSPhoebe Buckheister
12913e9c156eSPhoebe Buckheister hdr = genlmsg_put(msg, 0, seq, &nl802154_family, NLM_F_MULTI,
12923e9c156eSPhoebe Buckheister IEEE802154_LLSEC_LIST_SECLEVEL);
12933e9c156eSPhoebe Buckheister if (!hdr)
12943e9c156eSPhoebe Buckheister goto out;
12953e9c156eSPhoebe Buckheister
12963e9c156eSPhoebe Buckheister if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) ||
12973e9c156eSPhoebe Buckheister nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) ||
12983e9c156eSPhoebe Buckheister nla_put_u8(msg, IEEE802154_ATTR_LLSEC_FRAME_TYPE, sl->frame_type) ||
12993e9c156eSPhoebe Buckheister nla_put_u8(msg, IEEE802154_ATTR_LLSEC_SECLEVELS, sl->sec_levels) ||
13003e9c156eSPhoebe Buckheister nla_put_u8(msg, IEEE802154_ATTR_LLSEC_DEV_OVERRIDE,
13013e9c156eSPhoebe Buckheister sl->device_override))
13023e9c156eSPhoebe Buckheister goto nla_put_failure;
13033e9c156eSPhoebe Buckheister
13043e9c156eSPhoebe Buckheister if (sl->frame_type == IEEE802154_FC_TYPE_MAC_CMD &&
13053e9c156eSPhoebe Buckheister nla_put_u8(msg, IEEE802154_ATTR_LLSEC_CMD_FRAME_ID,
13063e9c156eSPhoebe Buckheister sl->cmd_frame_id))
13073e9c156eSPhoebe Buckheister goto nla_put_failure;
13083e9c156eSPhoebe Buckheister
13093e9c156eSPhoebe Buckheister genlmsg_end(msg, hdr);
13103e9c156eSPhoebe Buckheister return 0;
13113e9c156eSPhoebe Buckheister
13123e9c156eSPhoebe Buckheister nla_put_failure:
13133e9c156eSPhoebe Buckheister genlmsg_cancel(msg, hdr);
13143e9c156eSPhoebe Buckheister out:
13153e9c156eSPhoebe Buckheister return -EMSGSIZE;
13163e9c156eSPhoebe Buckheister }
13173e9c156eSPhoebe Buckheister
llsec_iter_seclevels(struct llsec_dump_data * data)13183e9c156eSPhoebe Buckheister static int llsec_iter_seclevels(struct llsec_dump_data *data)
13193e9c156eSPhoebe Buckheister {
13203e9c156eSPhoebe Buckheister struct ieee802154_llsec_seclevel *pos;
13213e9c156eSPhoebe Buckheister int rc = 0, idx = 0;
13223e9c156eSPhoebe Buckheister
13233e9c156eSPhoebe Buckheister list_for_each_entry(pos, &data->table->security_levels, list) {
13243e9c156eSPhoebe Buckheister if (idx++ < data->s_idx)
13253e9c156eSPhoebe Buckheister continue;
13263e9c156eSPhoebe Buckheister
13273e9c156eSPhoebe Buckheister if (ieee802154_nl_fill_seclevel(data->skb, data->portid,
13283e9c156eSPhoebe Buckheister data->nlmsg_seq, pos,
13293e9c156eSPhoebe Buckheister data->dev)) {
13303e9c156eSPhoebe Buckheister rc = -EMSGSIZE;
13313e9c156eSPhoebe Buckheister break;
13323e9c156eSPhoebe Buckheister }
13333e9c156eSPhoebe Buckheister
13343e9c156eSPhoebe Buckheister data->s_idx++;
13353e9c156eSPhoebe Buckheister }
13363e9c156eSPhoebe Buckheister
13373e9c156eSPhoebe Buckheister return rc;
13383e9c156eSPhoebe Buckheister }
13393e9c156eSPhoebe Buckheister
ieee802154_llsec_dump_seclevels(struct sk_buff * skb,struct netlink_callback * cb)13403e9c156eSPhoebe Buckheister int ieee802154_llsec_dump_seclevels(struct sk_buff *skb,
13413e9c156eSPhoebe Buckheister struct netlink_callback *cb)
13423e9c156eSPhoebe Buckheister {
13433e9c156eSPhoebe Buckheister return ieee802154_llsec_dump_table(skb, cb, llsec_iter_seclevels);
13443e9c156eSPhoebe Buckheister }
1345