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Release 4.14 net/mac802154/cfg.c

Directory: net/mac802154
/* 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.
 *
 * Authors:
 * Alexander Aring <aar@pengutronix.de>
 *
 * Based on: net/mac80211/cfg.c
 */

#include <net/rtnetlink.h>
#include <net/cfg802154.h>

#include "ieee802154_i.h"
#include "driver-ops.h"
#include "cfg.h"


static struct net_device * ieee802154_add_iface_deprecated(struct wpan_phy *wpan_phy, const char *name, unsigned char name_assign_type, int type) { struct ieee802154_local *local = wpan_phy_priv(wpan_phy); struct net_device *dev; rtnl_lock(); dev = ieee802154_if_add(local, name, name_assign_type, type, cpu_to_le64(0x0000000000000000ULL)); rtnl_unlock(); return dev; }

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static void ieee802154_del_iface_deprecated(struct wpan_phy *wpan_phy, struct net_device *dev) { struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); ieee802154_if_remove(sdata); }

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#ifdef CONFIG_PM
static int ieee802154_suspend(struct wpan_phy *wpan_phy) { struct ieee802154_local *local = wpan_phy_priv(wpan_phy); if (!local->open_count) goto suspend; ieee802154_stop_queue(&local->hw); synchronize_net(); /* stop hardware - this must stop RX */ ieee802154_stop_device(local); suspend: local->suspended = true; return 0; }

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static int ieee802154_resume(struct wpan_phy *wpan_phy) { struct ieee802154_local *local = wpan_phy_priv(wpan_phy); int ret; /* nothing to do if HW shouldn't run */ if (!local->open_count) goto wake_up; /* restart hardware */ ret = drv_start(local); if (ret) return ret; wake_up: ieee802154_wake_queue(&local->hw); local->suspended = false; return 0; }

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#else #define ieee802154_suspend NULL #define ieee802154_resume NULL #endif
static int ieee802154_add_iface(struct wpan_phy *phy, const char *name, unsigned char name_assign_type, enum nl802154_iftype type, __le64 extended_addr) { struct ieee802154_local *local = wpan_phy_priv(phy); struct net_device *err; err = ieee802154_if_add(local, name, name_assign_type, type, extended_addr); return PTR_ERR_OR_ZERO(err); }

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static int ieee802154_del_iface(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev) { ieee802154_if_remove(IEEE802154_WPAN_DEV_TO_SUB_IF(wpan_dev)); return 0; }

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static int ieee802154_set_channel(struct wpan_phy *wpan_phy, u8 page, u8 channel) { struct ieee802154_local *local = wpan_phy_priv(wpan_phy); int ret; ASSERT_RTNL(); if (wpan_phy->current_page == page && wpan_phy->current_channel == channel) return 0; ret = drv_set_channel(local, page, channel); if (!ret) { wpan_phy->current_page = page; wpan_phy->current_channel = channel; } return ret; }

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static int ieee802154_set_cca_mode(struct wpan_phy *wpan_phy, const struct wpan_phy_cca *cca) { struct ieee802154_local *local = wpan_phy_priv(wpan_phy); int ret; ASSERT_RTNL(); if (wpan_phy_cca_cmp(&wpan_phy->cca, cca)) return 0; ret = drv_set_cca_mode(local, cca); if (!ret) wpan_phy->cca = *cca; return ret; }

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static int ieee802154_set_cca_ed_level(struct wpan_phy *wpan_phy, s32 ed_level) { struct ieee802154_local *local = wpan_phy_priv(wpan_phy); int ret; ASSERT_RTNL(); if (wpan_phy->cca_ed_level == ed_level) return 0; ret = drv_set_cca_ed_level(local, ed_level); if (!ret) wpan_phy->cca_ed_level = ed_level; return ret; }

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static int ieee802154_set_tx_power(struct wpan_phy *wpan_phy, s32 power) { struct ieee802154_local *local = wpan_phy_priv(wpan_phy); int ret; ASSERT_RTNL(); if (wpan_phy->transmit_power == power) return 0; ret = drv_set_tx_power(local, power); if (!ret) wpan_phy->transmit_power = power; return ret; }

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static int ieee802154_set_pan_id(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, __le16 pan_id) { int ret; ASSERT_RTNL(); if (wpan_dev->pan_id == pan_id) return 0; ret = mac802154_wpan_update_llsec(wpan_dev->netdev); if (!ret) wpan_dev->pan_id = pan_id; return ret; }

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static int ieee802154_set_backoff_exponent(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, u8 min_be, u8 max_be) { ASSERT_RTNL(); wpan_dev->min_be = min_be; wpan_dev->max_be = max_be; return 0; }

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static int ieee802154_set_short_addr(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, __le16 short_addr) { ASSERT_RTNL(); wpan_dev->short_addr = short_addr; return 0; }

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static int ieee802154_set_max_csma_backoffs(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, u8 max_csma_backoffs) { ASSERT_RTNL(); wpan_dev->csma_retries = max_csma_backoffs; return 0; }

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static int ieee802154_set_max_frame_retries(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, s8 max_frame_retries) { ASSERT_RTNL(); wpan_dev->frame_retries = max_frame_retries; return 0; }

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static int ieee802154_set_lbt_mode(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, bool mode) { ASSERT_RTNL(); wpan_dev->lbt = mode; return 0; }

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static int ieee802154_set_ackreq_default(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, bool ackreq) { ASSERT_RTNL(); wpan_dev->ackreq = ackreq; return 0; }

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#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
static void ieee802154_get_llsec_table(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, struct ieee802154_llsec_table **table) { struct net_device *dev = wpan_dev->netdev; struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); *table = &sdata->sec.table; }

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static void ieee802154_lock_llsec_table(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev) { struct net_device *dev = wpan_dev->netdev; struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); mutex_lock(&sdata->sec_mtx); }

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static void ieee802154_unlock_llsec_table(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev) { struct net_device *dev = wpan_dev->netdev; struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); mutex_unlock(&sdata->sec_mtx); }

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static int ieee802154_set_llsec_params(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, const struct ieee802154_llsec_params *params, int changed) { struct net_device *dev = wpan_dev->netdev; struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; mutex_lock(&sdata->sec_mtx); res = mac802154_llsec_set_params(&sdata->sec, params, changed); mutex_unlock(&sdata->sec_mtx); return res; }

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static int ieee802154_get_llsec_params(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, struct ieee802154_llsec_params *params) { struct net_device *dev = wpan_dev->netdev; struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; mutex_lock(&sdata->sec_mtx); res = mac802154_llsec_get_params(&sdata->sec, params); mutex_unlock(&sdata->sec_mtx); return res; }

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static int ieee802154_add_llsec_key(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, const struct ieee802154_llsec_key_id *id, const struct ieee802154_llsec_key *key) { struct net_device *dev = wpan_dev->netdev; struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; mutex_lock(&sdata->sec_mtx); res = mac802154_llsec_key_add(&sdata->sec, id, key); mutex_unlock(&sdata->sec_mtx); return res; }

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static int ieee802154_del_llsec_key(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, const struct ieee802154_llsec_key_id *id) { struct net_device *dev = wpan_dev->netdev; struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; mutex_lock(&sdata->sec_mtx); res = mac802154_llsec_key_del(&sdata->sec, id); mutex_unlock(&sdata->sec_mtx); return res; }

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static int ieee802154_add_seclevel(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, const struct ieee802154_llsec_seclevel *sl) { struct net_device *dev = wpan_dev->netdev; struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; mutex_lock(&sdata->sec_mtx); res = mac802154_llsec_seclevel_add(&sdata->sec, sl); mutex_unlock(&sdata->sec_mtx); return res; }

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static int ieee802154_del_seclevel(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, const struct ieee802154_llsec_seclevel *sl) { struct net_device *dev = wpan_dev->netdev; struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; mutex_lock(&sdata->sec_mtx); res = mac802154_llsec_seclevel_del(&sdata->sec, sl); mutex_unlock(&sdata->sec_mtx); return res; }

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static int ieee802154_add_device(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, const struct ieee802154_llsec_device *dev_desc) { struct net_device *dev = wpan_dev->netdev; struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; mutex_lock(&sdata->sec_mtx); res = mac802154_llsec_dev_add(&sdata->sec, dev_desc); mutex_unlock(&sdata->sec_mtx); return res; }

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static int ieee802154_del_device(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, __le64 extended_addr) { struct net_device *dev = wpan_dev->netdev; struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; mutex_lock(&sdata->sec_mtx); res = mac802154_llsec_dev_del(&sdata->sec, extended_addr); mutex_unlock(&sdata->sec_mtx); return res; }

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static int ieee802154_add_devkey(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, __le64 extended_addr, const struct ieee802154_llsec_device_key *key) { struct net_device *dev = wpan_dev->netdev; struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; mutex_lock(&sdata->sec_mtx); res = mac802154_llsec_devkey_add(&sdata->sec, extended_addr, key); mutex_unlock(&sdata->sec_mtx); return res; }

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static int ieee802154_del_devkey(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, __le64 extended_addr, const struct ieee802154_llsec_device_key *key) { struct net_device *dev = wpan_dev->netdev; struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; mutex_lock(&sdata->sec_mtx); res = mac802154_llsec_devkey_del(&sdata->sec, extended_addr, key); mutex_unlock(&sdata->sec_mtx); return res; }

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#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ const struct cfg802154_ops mac802154_config_ops = { .add_virtual_intf_deprecated = ieee802154_add_iface_deprecated, .del_virtual_intf_deprecated = ieee802154_del_iface_deprecated, .suspend = ieee802154_suspend, .resume = ieee802154_resume, .add_virtual_intf = ieee802154_add_iface, .del_virtual_intf = ieee802154_del_iface, .set_channel = ieee802154_set_channel, .set_cca_mode = ieee802154_set_cca_mode, .set_cca_ed_level = ieee802154_set_cca_ed_level, .set_tx_power = ieee802154_set_tx_power, .set_pan_id = ieee802154_set_pan_id, .set_short_addr = ieee802154_set_short_addr, .set_backoff_exponent = ieee802154_set_backoff_exponent, .set_max_csma_backoffs = ieee802154_set_max_csma_backoffs, .set_max_frame_retries = ieee802154_set_max_frame_retries, .set_lbt_mode = ieee802154_set_lbt_mode, .set_ackreq_default = ieee802154_set_ackreq_default, #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL .get_llsec_table = ieee802154_get_llsec_table, .lock_llsec_table = ieee802154_lock_llsec_table, .unlock_llsec_table = ieee802154_unlock_llsec_table, /* TODO above */ .set_llsec_params = ieee802154_set_llsec_params, .get_llsec_params = ieee802154_get_llsec_params, .add_llsec_key = ieee802154_add_llsec_key, .del_llsec_key = ieee802154_del_llsec_key, .add_seclevel = ieee802154_add_seclevel, .del_seclevel = ieee802154_del_seclevel, .add_device = ieee802154_add_device, .del_device = ieee802154_del_device, .add_devkey = ieee802154_add_devkey, .del_devkey = ieee802154_del_devkey, #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ };

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