Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Alexander Aring | 1938 | 65.36% | 38 | 57.58% |
Miquel Raynal | 769 | 25.94% | 13 | 19.70% |
Phoebe Buckheister | 115 | 3.88% | 4 | 6.06% |
Alexander Smirnov | 93 | 3.14% | 5 | 7.58% |
Varka Bhadram | 42 | 1.42% | 3 | 4.55% |
Dmitry Eremin-Solenikov | 3 | 0.10% | 1 | 1.52% |
Denis Kirjanov | 3 | 0.10% | 1 | 1.52% |
Thomas Gleixner | 2 | 0.07% | 1 | 1.52% |
Total | 2965 | 66 |
// SPDX-License-Identifier: GPL-2.0-only /* * * 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; } 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_sync_and_hold_queue(local); 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, local->phy->filtering, &local->addr_filt); if (ret) return ret; wake_up: ieee802154_release_queue(local); 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; /* Refuse to change channels during scanning or beaconing */ if (mac802154_is_scanning(local) || mac802154_is_beaconing(local)) return -EBUSY; ret = drv_set_channel(local, page, channel); if (!ret) { wpan_phy->current_page = page; wpan_phy->current_channel = channel; ieee802154_configure_durations(wpan_phy, page, 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; } static int mac802154_trigger_scan(struct wpan_phy *wpan_phy, struct cfg802154_scan_request *request) { struct ieee802154_sub_if_data *sdata; sdata = IEEE802154_WPAN_DEV_TO_SUB_IF(request->wpan_dev); ASSERT_RTNL(); return mac802154_trigger_scan_locked(sdata, request); } static int mac802154_abort_scan(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev) { struct ieee802154_local *local = wpan_phy_priv(wpan_phy); struct ieee802154_sub_if_data *sdata; sdata = IEEE802154_WPAN_DEV_TO_SUB_IF(wpan_dev); ASSERT_RTNL(); return mac802154_abort_scan_locked(local, sdata); } static int mac802154_send_beacons(struct wpan_phy *wpan_phy, struct cfg802154_beacon_request *request) { struct ieee802154_sub_if_data *sdata; sdata = IEEE802154_WPAN_DEV_TO_SUB_IF(request->wpan_dev); ASSERT_RTNL(); return mac802154_send_beacons_locked(sdata, request); } static int mac802154_stop_beacons(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev) { struct ieee802154_local *local = wpan_phy_priv(wpan_phy); struct ieee802154_sub_if_data *sdata; sdata = IEEE802154_WPAN_DEV_TO_SUB_IF(wpan_dev); ASSERT_RTNL(); return mac802154_stop_beacons_locked(local, sdata); } static int mac802154_associate(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, struct ieee802154_addr *coord) { struct ieee802154_local *local = wpan_phy_priv(wpan_phy); u64 ceaddr = swab64((__force u64)coord->extended_addr); struct ieee802154_sub_if_data *sdata; struct ieee802154_pan_device *parent; __le16 short_addr; int ret; ASSERT_RTNL(); sdata = IEEE802154_WPAN_DEV_TO_SUB_IF(wpan_dev); if (wpan_dev->parent) { dev_err(&sdata->dev->dev, "Device %8phC is already associated\n", &ceaddr); return -EPERM; } if (coord->mode == IEEE802154_SHORT_ADDRESSING) return -EINVAL; parent = kzalloc(sizeof(*parent), GFP_KERNEL); if (!parent) return -ENOMEM; parent->pan_id = coord->pan_id; parent->mode = coord->mode; parent->extended_addr = coord->extended_addr; parent->short_addr = cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST); /* Set the PAN ID hardware address filter beforehand to avoid dropping * the association response with a destination PAN ID field set to the * "new" PAN ID. */ if (local->hw.flags & IEEE802154_HW_AFILT) { ret = drv_set_pan_id(local, coord->pan_id); if (ret < 0) goto free_parent; } ret = mac802154_perform_association(sdata, parent, &short_addr); if (ret) goto reset_panid; if (local->hw.flags & IEEE802154_HW_AFILT) { ret = drv_set_short_addr(local, short_addr); if (ret < 0) goto reset_panid; } wpan_dev->pan_id = coord->pan_id; wpan_dev->short_addr = short_addr; wpan_dev->parent = parent; return 0; reset_panid: if (local->hw.flags & IEEE802154_HW_AFILT) drv_set_pan_id(local, cpu_to_le16(IEEE802154_PAN_ID_BROADCAST)); free_parent: kfree(parent); return ret; } static int mac802154_disassociate_from_parent(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev) { struct ieee802154_local *local = wpan_phy_priv(wpan_phy); struct ieee802154_pan_device *child, *tmp; struct ieee802154_sub_if_data *sdata; unsigned int max_assoc; u64 eaddr; int ret; sdata = IEEE802154_WPAN_DEV_TO_SUB_IF(wpan_dev); /* Start by disassociating all the children and preventing new ones to * attempt associations. */ max_assoc = cfg802154_set_max_associations(wpan_dev, 0); list_for_each_entry_safe(child, tmp, &wpan_dev->children, node) { ret = mac802154_send_disassociation_notif(sdata, child, IEEE802154_COORD_WISHES_DEVICE_TO_LEAVE); if (ret) { eaddr = swab64((__force u64)child->extended_addr); dev_err(&sdata->dev->dev, "Disassociation with %8phC may have failed (%d)\n", &eaddr, ret); } list_del(&child->node); } ret = mac802154_send_disassociation_notif(sdata, wpan_dev->parent, IEEE802154_DEVICE_WISHES_TO_LEAVE); if (ret) { eaddr = swab64((__force u64)wpan_dev->parent->extended_addr); dev_err(&sdata->dev->dev, "Disassociation from %8phC may have failed (%d)\n", &eaddr, ret); } ret = 0; kfree(wpan_dev->parent); wpan_dev->parent = NULL; wpan_dev->pan_id = cpu_to_le16(IEEE802154_PAN_ID_BROADCAST); wpan_dev->short_addr = cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST); if (local->hw.flags & IEEE802154_HW_AFILT) { ret = drv_set_pan_id(local, wpan_dev->pan_id); if (ret < 0) goto reset_mac_assoc; ret = drv_set_short_addr(local, wpan_dev->short_addr); if (ret < 0) goto reset_mac_assoc; } reset_mac_assoc: cfg802154_set_max_associations(wpan_dev, max_assoc); return ret; } static int mac802154_disassociate_child(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, struct ieee802154_pan_device *child) { struct ieee802154_sub_if_data *sdata; int ret; sdata = IEEE802154_WPAN_DEV_TO_SUB_IF(wpan_dev); ret = mac802154_send_disassociation_notif(sdata, child, IEEE802154_COORD_WISHES_DEVICE_TO_LEAVE); if (ret) return ret; list_del(&child->node); wpan_dev->nchildren--; kfree(child); return 0; } static int mac802154_disassociate(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, struct ieee802154_addr *target) { u64 teaddr = swab64((__force u64)target->extended_addr); struct ieee802154_pan_device *pan_device; ASSERT_RTNL(); if (cfg802154_device_is_parent(wpan_dev, target)) return mac802154_disassociate_from_parent(wpan_phy, wpan_dev); pan_device = cfg802154_device_is_child(wpan_dev, target); if (pan_device) return mac802154_disassociate_child(wpan_phy, wpan_dev, pan_device); dev_err(&wpan_dev->netdev->dev, "Device %8phC is not associated with us\n", &teaddr); return -EINVAL; } #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, .trigger_scan = mac802154_trigger_scan, .abort_scan = mac802154_abort_scan, .send_beacons = mac802154_send_beacons, .stop_beacons = mac802154_stop_beacons, .associate = mac802154_associate, .disassociate = mac802154_disassociate, #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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