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OpenCloudOS-Kernel/net/ieee802154/nl-mac.c

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/*
* 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 int nla_put_hwaddr(struct sk_buff *msg, int type, __le64 hwaddr)
{
return nla_put_u64(msg, type, swab64((__force u64)hwaddr));
}
static __le64 nla_get_hwaddr(const struct nlattr *nla)
{
return ieee802154_devaddr_from_raw(nla_data(nla));
}
static int nla_put_shortaddr(struct sk_buff *msg, int type, __le16 addr)
{
return nla_put_u16(msg, type, le16_to_cpu(addr));
}
static __le16 nla_get_shortaddr(const struct nlattr *nla)
{
return cpu_to_le16(nla_get_u16(nla));
}
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->mode != 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_hwaddr(msg, IEEE802154_ATTR_SRC_HW_ADDR,
addr->extended_addr) ||
nla_put_u8(msg, IEEE802154_ATTR_CAPABILITY, cap))
goto nla_put_failure;
return ieee802154_nl_mcast(msg, IEEE802154_COORD_MCGRP);
nla_put_failure:
nlmsg_free(msg);
return -ENOBUFS;
}
EXPORT_SYMBOL(ieee802154_nl_assoc_indic);
int ieee802154_nl_assoc_confirm(struct net_device *dev, __le16 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_shortaddr(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);
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->mode == IEEE802154_ADDR_LONG) {
if (nla_put_hwaddr(msg, IEEE802154_ATTR_SRC_HW_ADDR,
addr->extended_addr))
goto nla_put_failure;
} else {
if (nla_put_shortaddr(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);
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);
nla_put_failure:
nlmsg_free(msg);
return -ENOBUFS;
}
EXPORT_SYMBOL(ieee802154_nl_disassoc_confirm);
int ieee802154_nl_beacon_indic(struct net_device *dev, __le16 panid,
__le16 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_shortaddr(msg, IEEE802154_ATTR_COORD_SHORT_ADDR,
coord_addr) ||
nla_put_shortaddr(msg, IEEE802154_ATTR_COORD_PAN_ID, panid))
goto nla_put_failure;
return ieee802154_nl_mcast(msg, IEEE802154_COORD_MCGRP);
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);
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);
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 portid,
u32 seq, int flags, struct net_device *dev)
{
void *hdr;
struct wpan_phy *phy;
struct ieee802154_mlme_ops *ops;
__le16 short_addr, pan_id;
pr_debug("%s\n", __func__);
hdr = genlmsg_put(msg, 0, seq, &nl802154_family, flags,
IEEE802154_LIST_IFACE);
if (!hdr)
goto out;
ops = ieee802154_mlme_ops(dev);
phy = ops->get_phy(dev);
BUG_ON(!phy);
short_addr = ops->get_short_addr(dev);
pan_id = ops->get_pan_id(dev);
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_shortaddr(msg, IEEE802154_ATTR_SHORT_ADDR, short_addr) ||
nla_put_shortaddr(msg, IEEE802154_ATTR_PAN_ID, pan_id))
goto nla_put_failure;
if (ops->get_mac_params) {
struct ieee802154_mac_params params;
ops->get_mac_params(dev, &params);
if (nla_put_s8(msg, IEEE802154_ATTR_TXPOWER,
params.transmit_power) ||
nla_put_u8(msg, IEEE802154_ATTR_LBT_ENABLED, params.lbt) ||
nla_put_u8(msg, IEEE802154_ATTR_CCA_MODE,
params.cca_mode) ||
nla_put_s32(msg, IEEE802154_ATTR_CCA_ED_LEVEL,
params.cca_ed_level) ||
nla_put_u8(msg, IEEE802154_ATTR_CSMA_RETRIES,
params.csma_retries) ||
nla_put_u8(msg, IEEE802154_ATTR_CSMA_MIN_BE,
params.min_be) ||
nla_put_u8(msg, IEEE802154_ATTR_CSMA_MAX_BE,
params.max_be) ||
nla_put_s8(msg, IEEE802154_ATTR_FRAME_RETRIES,
params.frame_retries))
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;
}
int ieee802154_associate_req(struct sk_buff *skb, struct genl_info *info)
{
struct net_device *dev;
struct ieee802154_addr addr;
u8 page;
int ret = -EOPNOTSUPP;
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 (!ieee802154_mlme_ops(dev)->assoc_req)
goto out;
if (info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]) {
addr.mode = IEEE802154_ADDR_LONG;
addr.extended_addr = nla_get_hwaddr(
info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]);
} else {
addr.mode = IEEE802154_ADDR_SHORT;
addr.short_addr = nla_get_shortaddr(
info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]);
}
addr.pan_id = nla_get_shortaddr(
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]));
out:
dev_put(dev);
return ret;
}
int ieee802154_associate_resp(struct sk_buff *skb, struct genl_info *info)
{
struct net_device *dev;
struct ieee802154_addr addr;
int ret = -EOPNOTSUPP;
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;
if (!ieee802154_mlme_ops(dev)->assoc_resp)
goto out;
addr.mode = IEEE802154_ADDR_LONG;
addr.extended_addr = nla_get_hwaddr(
info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]);
addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev);
ret = ieee802154_mlme_ops(dev)->assoc_resp(dev, &addr,
nla_get_shortaddr(info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]),
nla_get_u8(info->attrs[IEEE802154_ATTR_STATUS]));
out:
dev_put(dev);
return ret;
}
int ieee802154_disassociate_req(struct sk_buff *skb, struct genl_info *info)
{
struct net_device *dev;
struct ieee802154_addr addr;
int ret = -EOPNOTSUPP;
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 (!ieee802154_mlme_ops(dev)->disassoc_req)
goto out;
if (info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]) {
addr.mode = IEEE802154_ADDR_LONG;
addr.extended_addr = nla_get_hwaddr(
info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]);
} else {
addr.mode = IEEE802154_ADDR_SHORT;
addr.short_addr = nla_get_shortaddr(
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]));
out:
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
*/
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 = -EOPNOTSUPP;
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;
if (!ieee802154_mlme_ops(dev)->start_req)
goto out;
addr.mode = IEEE802154_ADDR_SHORT;
addr.short_addr = nla_get_shortaddr(
info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]);
addr.pan_id = nla_get_shortaddr(
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 == cpu_to_le16(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);
out:
dev_put(dev);
return ret;
}
int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info)
{
struct net_device *dev;
int ret = -EOPNOTSUPP;
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;
if (!ieee802154_mlme_ops(dev)->scan_req)
goto out;
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);
out:
dev_put(dev);
return ret;
}
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_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
goto out_dev;
rc = ieee802154_nl_fill_iface(msg, info->snd_portid, 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;
}
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).portid,
cb->nlh->nlmsg_seq, NLM_F_MULTI, dev) < 0)
break;
cont:
idx++;
}
cb->args[0] = idx;
return skb->len;
}
int ieee802154_set_macparams(struct sk_buff *skb, struct genl_info *info)
{
struct net_device *dev = NULL;
struct ieee802154_mlme_ops *ops;
struct ieee802154_mac_params params;
struct wpan_phy *phy;
int rc = -EINVAL;
pr_debug("%s\n", __func__);
dev = ieee802154_nl_get_dev(info);
if (!dev)
return -ENODEV;
ops = ieee802154_mlme_ops(dev);
if (!ops->get_mac_params || !ops->set_mac_params) {
rc = -EOPNOTSUPP;
goto out;
}
if (netif_running(dev)) {
rc = -EBUSY;
goto out;
}
if (!info->attrs[IEEE802154_ATTR_LBT_ENABLED] &&
!info->attrs[IEEE802154_ATTR_CCA_MODE] &&
!info->attrs[IEEE802154_ATTR_CCA_ED_LEVEL] &&
!info->attrs[IEEE802154_ATTR_CSMA_RETRIES] &&
!info->attrs[IEEE802154_ATTR_CSMA_MIN_BE] &&
!info->attrs[IEEE802154_ATTR_CSMA_MAX_BE] &&
!info->attrs[IEEE802154_ATTR_FRAME_RETRIES])
goto out;
phy = ops->get_phy(dev);
if ((!phy->set_lbt && info->attrs[IEEE802154_ATTR_LBT_ENABLED]) ||
(!phy->set_cca_mode && info->attrs[IEEE802154_ATTR_CCA_MODE]) ||
(!phy->set_cca_ed_level &&
info->attrs[IEEE802154_ATTR_CCA_ED_LEVEL]) ||
(!phy->set_csma_params &&
(info->attrs[IEEE802154_ATTR_CSMA_RETRIES] ||
info->attrs[IEEE802154_ATTR_CSMA_MIN_BE] ||
info->attrs[IEEE802154_ATTR_CSMA_MAX_BE])) ||
(!phy->set_frame_retries &&
info->attrs[IEEE802154_ATTR_FRAME_RETRIES])) {
rc = -EOPNOTSUPP;
goto out_phy;
}
ops->get_mac_params(dev, &params);
if (info->attrs[IEEE802154_ATTR_TXPOWER])
params.transmit_power = nla_get_s8(info->attrs[IEEE802154_ATTR_TXPOWER]);
if (info->attrs[IEEE802154_ATTR_LBT_ENABLED])
params.lbt = nla_get_u8(info->attrs[IEEE802154_ATTR_LBT_ENABLED]);
if (info->attrs[IEEE802154_ATTR_CCA_MODE])
params.cca_mode = nla_get_u8(info->attrs[IEEE802154_ATTR_CCA_MODE]);
if (info->attrs[IEEE802154_ATTR_CCA_ED_LEVEL])
params.cca_ed_level = nla_get_s32(info->attrs[IEEE802154_ATTR_CCA_ED_LEVEL]);
if (info->attrs[IEEE802154_ATTR_CSMA_RETRIES])
params.csma_retries = nla_get_u8(info->attrs[IEEE802154_ATTR_CSMA_RETRIES]);
if (info->attrs[IEEE802154_ATTR_CSMA_MIN_BE])
params.min_be = nla_get_u8(info->attrs[IEEE802154_ATTR_CSMA_MIN_BE]);
if (info->attrs[IEEE802154_ATTR_CSMA_MAX_BE])
params.max_be = nla_get_u8(info->attrs[IEEE802154_ATTR_CSMA_MAX_BE]);
if (info->attrs[IEEE802154_ATTR_FRAME_RETRIES])
params.frame_retries = nla_get_s8(info->attrs[IEEE802154_ATTR_FRAME_RETRIES]);
rc = ops->set_mac_params(dev, &params);
wpan_phy_put(phy);
dev_put(dev);
return rc;
out_phy:
wpan_phy_put(phy);
out:
dev_put(dev);
return rc;
}
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