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486 lines
11 KiB
486 lines
11 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* |
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* Authors: |
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* Alexander Aring <[email protected]> |
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* |
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* Based on: net/mac80211/cfg.c |
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*/ |
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#include <net/rtnetlink.h> |
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#include <net/cfg802154.h> |
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#include "ieee802154_i.h" |
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#include "driver-ops.h" |
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#include "cfg.h" |
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static struct net_device * |
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ieee802154_add_iface_deprecated(struct wpan_phy *wpan_phy, |
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const char *name, |
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unsigned char name_assign_type, int type) |
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{ |
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struct ieee802154_local *local = wpan_phy_priv(wpan_phy); |
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struct net_device *dev; |
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rtnl_lock(); |
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dev = ieee802154_if_add(local, name, name_assign_type, type, |
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cpu_to_le64(0x0000000000000000ULL)); |
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rtnl_unlock(); |
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return dev; |
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} |
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static void ieee802154_del_iface_deprecated(struct wpan_phy *wpan_phy, |
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struct net_device *dev) |
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{ |
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struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
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ieee802154_if_remove(sdata); |
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} |
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#ifdef CONFIG_PM |
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static int ieee802154_suspend(struct wpan_phy *wpan_phy) |
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{ |
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struct ieee802154_local *local = wpan_phy_priv(wpan_phy); |
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if (!local->open_count) |
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goto suspend; |
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ieee802154_stop_queue(&local->hw); |
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synchronize_net(); |
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/* stop hardware - this must stop RX */ |
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ieee802154_stop_device(local); |
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suspend: |
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local->suspended = true; |
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return 0; |
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} |
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static int ieee802154_resume(struct wpan_phy *wpan_phy) |
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{ |
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struct ieee802154_local *local = wpan_phy_priv(wpan_phy); |
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int ret; |
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/* nothing to do if HW shouldn't run */ |
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if (!local->open_count) |
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goto wake_up; |
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/* restart hardware */ |
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ret = drv_start(local); |
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if (ret) |
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return ret; |
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wake_up: |
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ieee802154_wake_queue(&local->hw); |
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local->suspended = false; |
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return 0; |
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} |
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#else |
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#define ieee802154_suspend NULL |
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#define ieee802154_resume NULL |
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#endif |
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static int |
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ieee802154_add_iface(struct wpan_phy *phy, const char *name, |
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unsigned char name_assign_type, |
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enum nl802154_iftype type, __le64 extended_addr) |
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{ |
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struct ieee802154_local *local = wpan_phy_priv(phy); |
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struct net_device *err; |
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err = ieee802154_if_add(local, name, name_assign_type, type, |
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extended_addr); |
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return PTR_ERR_OR_ZERO(err); |
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} |
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static int |
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ieee802154_del_iface(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev) |
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{ |
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ieee802154_if_remove(IEEE802154_WPAN_DEV_TO_SUB_IF(wpan_dev)); |
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return 0; |
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} |
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static int |
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ieee802154_set_channel(struct wpan_phy *wpan_phy, u8 page, u8 channel) |
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{ |
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struct ieee802154_local *local = wpan_phy_priv(wpan_phy); |
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int ret; |
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ASSERT_RTNL(); |
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if (wpan_phy->current_page == page && |
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wpan_phy->current_channel == channel) |
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return 0; |
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ret = drv_set_channel(local, page, channel); |
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if (!ret) { |
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wpan_phy->current_page = page; |
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wpan_phy->current_channel = channel; |
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} |
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return ret; |
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} |
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static int |
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ieee802154_set_cca_mode(struct wpan_phy *wpan_phy, |
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const struct wpan_phy_cca *cca) |
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{ |
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struct ieee802154_local *local = wpan_phy_priv(wpan_phy); |
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int ret; |
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ASSERT_RTNL(); |
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if (wpan_phy_cca_cmp(&wpan_phy->cca, cca)) |
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return 0; |
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ret = drv_set_cca_mode(local, cca); |
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if (!ret) |
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wpan_phy->cca = *cca; |
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return ret; |
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} |
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static int |
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ieee802154_set_cca_ed_level(struct wpan_phy *wpan_phy, s32 ed_level) |
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{ |
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struct ieee802154_local *local = wpan_phy_priv(wpan_phy); |
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int ret; |
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ASSERT_RTNL(); |
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if (wpan_phy->cca_ed_level == ed_level) |
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return 0; |
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ret = drv_set_cca_ed_level(local, ed_level); |
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if (!ret) |
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wpan_phy->cca_ed_level = ed_level; |
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return ret; |
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} |
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static int |
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ieee802154_set_tx_power(struct wpan_phy *wpan_phy, s32 power) |
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{ |
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struct ieee802154_local *local = wpan_phy_priv(wpan_phy); |
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int ret; |
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ASSERT_RTNL(); |
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if (wpan_phy->transmit_power == power) |
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return 0; |
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ret = drv_set_tx_power(local, power); |
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if (!ret) |
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wpan_phy->transmit_power = power; |
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return ret; |
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} |
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static int |
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ieee802154_set_pan_id(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, |
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__le16 pan_id) |
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{ |
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int ret; |
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ASSERT_RTNL(); |
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if (wpan_dev->pan_id == pan_id) |
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return 0; |
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ret = mac802154_wpan_update_llsec(wpan_dev->netdev); |
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if (!ret) |
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wpan_dev->pan_id = pan_id; |
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return ret; |
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} |
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static int |
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ieee802154_set_backoff_exponent(struct wpan_phy *wpan_phy, |
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struct wpan_dev *wpan_dev, |
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u8 min_be, u8 max_be) |
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{ |
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ASSERT_RTNL(); |
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wpan_dev->min_be = min_be; |
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wpan_dev->max_be = max_be; |
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return 0; |
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} |
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static int |
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ieee802154_set_short_addr(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, |
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__le16 short_addr) |
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{ |
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ASSERT_RTNL(); |
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wpan_dev->short_addr = short_addr; |
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return 0; |
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} |
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static int |
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ieee802154_set_max_csma_backoffs(struct wpan_phy *wpan_phy, |
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struct wpan_dev *wpan_dev, |
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u8 max_csma_backoffs) |
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{ |
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ASSERT_RTNL(); |
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wpan_dev->csma_retries = max_csma_backoffs; |
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return 0; |
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} |
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static int |
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ieee802154_set_max_frame_retries(struct wpan_phy *wpan_phy, |
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struct wpan_dev *wpan_dev, |
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s8 max_frame_retries) |
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{ |
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ASSERT_RTNL(); |
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wpan_dev->frame_retries = max_frame_retries; |
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return 0; |
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} |
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static int |
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ieee802154_set_lbt_mode(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, |
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bool mode) |
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{ |
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ASSERT_RTNL(); |
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wpan_dev->lbt = mode; |
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return 0; |
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} |
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static int |
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ieee802154_set_ackreq_default(struct wpan_phy *wpan_phy, |
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struct wpan_dev *wpan_dev, bool ackreq) |
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{ |
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ASSERT_RTNL(); |
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wpan_dev->ackreq = ackreq; |
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return 0; |
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} |
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#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL |
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static void |
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ieee802154_get_llsec_table(struct wpan_phy *wpan_phy, |
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struct wpan_dev *wpan_dev, |
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struct ieee802154_llsec_table **table) |
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{ |
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struct net_device *dev = wpan_dev->netdev; |
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struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
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*table = &sdata->sec.table; |
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} |
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static void |
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ieee802154_lock_llsec_table(struct wpan_phy *wpan_phy, |
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struct wpan_dev *wpan_dev) |
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{ |
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struct net_device *dev = wpan_dev->netdev; |
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struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
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mutex_lock(&sdata->sec_mtx); |
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} |
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static void |
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ieee802154_unlock_llsec_table(struct wpan_phy *wpan_phy, |
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struct wpan_dev *wpan_dev) |
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{ |
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struct net_device *dev = wpan_dev->netdev; |
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struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
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mutex_unlock(&sdata->sec_mtx); |
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} |
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static int |
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ieee802154_set_llsec_params(struct wpan_phy *wpan_phy, |
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struct wpan_dev *wpan_dev, |
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const struct ieee802154_llsec_params *params, |
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int changed) |
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{ |
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struct net_device *dev = wpan_dev->netdev; |
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struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
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int res; |
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mutex_lock(&sdata->sec_mtx); |
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res = mac802154_llsec_set_params(&sdata->sec, params, changed); |
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mutex_unlock(&sdata->sec_mtx); |
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return res; |
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} |
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static int |
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ieee802154_get_llsec_params(struct wpan_phy *wpan_phy, |
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struct wpan_dev *wpan_dev, |
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struct ieee802154_llsec_params *params) |
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{ |
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struct net_device *dev = wpan_dev->netdev; |
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struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
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int res; |
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mutex_lock(&sdata->sec_mtx); |
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res = mac802154_llsec_get_params(&sdata->sec, params); |
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mutex_unlock(&sdata->sec_mtx); |
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return res; |
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} |
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static int |
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ieee802154_add_llsec_key(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, |
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const struct ieee802154_llsec_key_id *id, |
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const struct ieee802154_llsec_key *key) |
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{ |
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struct net_device *dev = wpan_dev->netdev; |
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struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
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int res; |
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mutex_lock(&sdata->sec_mtx); |
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res = mac802154_llsec_key_add(&sdata->sec, id, key); |
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mutex_unlock(&sdata->sec_mtx); |
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return res; |
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} |
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static int |
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ieee802154_del_llsec_key(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, |
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const struct ieee802154_llsec_key_id *id) |
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{ |
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struct net_device *dev = wpan_dev->netdev; |
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struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
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int res; |
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mutex_lock(&sdata->sec_mtx); |
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res = mac802154_llsec_key_del(&sdata->sec, id); |
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mutex_unlock(&sdata->sec_mtx); |
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return res; |
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} |
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static int |
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ieee802154_add_seclevel(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, |
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const struct ieee802154_llsec_seclevel *sl) |
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{ |
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struct net_device *dev = wpan_dev->netdev; |
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struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
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int res; |
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mutex_lock(&sdata->sec_mtx); |
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res = mac802154_llsec_seclevel_add(&sdata->sec, sl); |
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mutex_unlock(&sdata->sec_mtx); |
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return res; |
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} |
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static int |
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ieee802154_del_seclevel(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, |
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const struct ieee802154_llsec_seclevel *sl) |
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{ |
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struct net_device *dev = wpan_dev->netdev; |
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struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
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int res; |
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mutex_lock(&sdata->sec_mtx); |
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res = mac802154_llsec_seclevel_del(&sdata->sec, sl); |
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mutex_unlock(&sdata->sec_mtx); |
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return res; |
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} |
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static int |
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ieee802154_add_device(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, |
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const struct ieee802154_llsec_device *dev_desc) |
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{ |
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struct net_device *dev = wpan_dev->netdev; |
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struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
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int res; |
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mutex_lock(&sdata->sec_mtx); |
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res = mac802154_llsec_dev_add(&sdata->sec, dev_desc); |
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mutex_unlock(&sdata->sec_mtx); |
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return res; |
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} |
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static int |
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ieee802154_del_device(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, |
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__le64 extended_addr) |
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{ |
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struct net_device *dev = wpan_dev->netdev; |
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struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
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int res; |
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mutex_lock(&sdata->sec_mtx); |
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res = mac802154_llsec_dev_del(&sdata->sec, extended_addr); |
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mutex_unlock(&sdata->sec_mtx); |
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return res; |
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} |
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static int |
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ieee802154_add_devkey(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, |
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__le64 extended_addr, |
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const struct ieee802154_llsec_device_key *key) |
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{ |
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struct net_device *dev = wpan_dev->netdev; |
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struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
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int res; |
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mutex_lock(&sdata->sec_mtx); |
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res = mac802154_llsec_devkey_add(&sdata->sec, extended_addr, key); |
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mutex_unlock(&sdata->sec_mtx); |
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return res; |
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} |
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static int |
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ieee802154_del_devkey(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, |
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__le64 extended_addr, |
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const struct ieee802154_llsec_device_key *key) |
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{ |
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struct net_device *dev = wpan_dev->netdev; |
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struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
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int res; |
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mutex_lock(&sdata->sec_mtx); |
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res = mac802154_llsec_devkey_del(&sdata->sec, extended_addr, key); |
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mutex_unlock(&sdata->sec_mtx); |
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return res; |
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} |
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#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ |
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const struct cfg802154_ops mac802154_config_ops = { |
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.add_virtual_intf_deprecated = ieee802154_add_iface_deprecated, |
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.del_virtual_intf_deprecated = ieee802154_del_iface_deprecated, |
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.suspend = ieee802154_suspend, |
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.resume = ieee802154_resume, |
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.add_virtual_intf = ieee802154_add_iface, |
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.del_virtual_intf = ieee802154_del_iface, |
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.set_channel = ieee802154_set_channel, |
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.set_cca_mode = ieee802154_set_cca_mode, |
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.set_cca_ed_level = ieee802154_set_cca_ed_level, |
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.set_tx_power = ieee802154_set_tx_power, |
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.set_pan_id = ieee802154_set_pan_id, |
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.set_short_addr = ieee802154_set_short_addr, |
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.set_backoff_exponent = ieee802154_set_backoff_exponent, |
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.set_max_csma_backoffs = ieee802154_set_max_csma_backoffs, |
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.set_max_frame_retries = ieee802154_set_max_frame_retries, |
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.set_lbt_mode = ieee802154_set_lbt_mode, |
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.set_ackreq_default = ieee802154_set_ackreq_default, |
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#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL |
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.get_llsec_table = ieee802154_get_llsec_table, |
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.lock_llsec_table = ieee802154_lock_llsec_table, |
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.unlock_llsec_table = ieee802154_unlock_llsec_table, |
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/* TODO above */ |
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.set_llsec_params = ieee802154_set_llsec_params, |
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.get_llsec_params = ieee802154_get_llsec_params, |
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.add_llsec_key = ieee802154_add_llsec_key, |
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.del_llsec_key = ieee802154_del_llsec_key, |
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.add_seclevel = ieee802154_add_seclevel, |
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.del_seclevel = ieee802154_del_seclevel, |
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.add_device = ieee802154_add_device, |
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.del_device = ieee802154_del_device, |
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.add_devkey = ieee802154_add_devkey, |
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.del_devkey = ieee802154_del_devkey, |
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#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ |
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};
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