|  | // SPDX-License-Identifier: GPL-2.0-only | 
|  | /* | 
|  | * | 
|  | * Authors: | 
|  | * Alexander Aring <[email protected]> | 
|  | * | 
|  | * 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; | 
|  | } | 
|  |  | 
|  | 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); | 
|  | } | 
|  |  | 
|  | #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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  | #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); | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | #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; | 
|  | } | 
|  |  | 
|  | 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); | 
|  | } | 
|  |  | 
|  | 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); | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  | #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 */ | 
|  | }; |