diff options
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/Makefile | 1 | ||||
| -rw-r--r-- | net/mac80211/cfg.c | 7 | ||||
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 18 | ||||
| -rw-r--r-- | net/mac80211/iface.c | 327 | ||||
| -rw-r--r-- | net/mac80211/key.c | 6 | ||||
| -rw-r--r-- | net/mac80211/link.c | 262 | ||||
| -rw-r--r-- | net/mac80211/main.c | 2 | ||||
| -rw-r--r-- | net/mac80211/mlme.c | 50 | ||||
| -rw-r--r-- | net/mac80211/scan.c | 2 | ||||
| -rw-r--r-- | net/mac80211/util.c | 33 |
10 files changed, 412 insertions, 296 deletions
diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile index af1df3a6bd55..b8de44da1fb8 100644 --- a/net/mac80211/Makefile +++ b/net/mac80211/Makefile @@ -16,6 +16,7 @@ mac80211-y := \ s1g.o \ ibss.o \ iface.o \ + link.o \ rate.o \ michael.o \ tkip.o \ diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index b5522edbe05d..687b4c878d4a 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -226,6 +226,10 @@ static int ieee80211_change_iface(struct wiphy *wiphy, if (params->use_4addr == ifmgd->use_4addr) return 0; + /* FIXME: no support for 4-addr MLO yet */ + if (sdata->vif.valid_links) + return -EOPNOTSUPP; + sdata->u.mgd.use_4addr = params->use_4addr; if (!ifmgd->associated) return 0; @@ -4697,6 +4701,9 @@ static int ieee80211_add_intf_link(struct wiphy *wiphy, { struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); + if (wdev->use_4addr) + return -EOPNOTSUPP; + return ieee80211_vif_set_links(sdata, wdev->valid_links); } diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 9f358977a6b9..977aea4467e0 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1811,6 +1811,7 @@ void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata, u8 reason, bool tx); void ieee80211_mgd_setup_link(struct ieee80211_link_data *link); void ieee80211_mgd_stop_link(struct ieee80211_link_data *link); +void ieee80211_mgd_set_link_qos_params(struct ieee80211_link_data *link); /* IBSS code */ void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); @@ -1930,9 +1931,6 @@ void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); int ieee80211_add_virtual_monitor(struct ieee80211_local *local); void ieee80211_del_virtual_monitor(struct ieee80211_local *local); -int ieee80211_vif_set_links(struct ieee80211_sub_if_data *sdata, - u16 new_links); - bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata, bool update_bss); @@ -1943,6 +1941,17 @@ static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) return test_bit(SDATA_STATE_RUNNING, &sdata->state); } +/* link handling */ +void ieee80211_link_setup(struct ieee80211_link_data *link); +void ieee80211_link_init(struct ieee80211_sub_if_data *sdata, + int link_id, + struct ieee80211_link_data *link, + struct ieee80211_bss_conf *link_conf); +void ieee80211_link_stop(struct ieee80211_link_data *link); +int ieee80211_vif_set_links(struct ieee80211_sub_if_data *sdata, + u16 new_links); +void ieee80211_vif_clear_links(struct ieee80211_sub_if_data *sdata); + /* tx handling */ void ieee80211_clear_tx_pending(struct ieee80211_local *local); void ieee80211_tx_pending(struct tasklet_struct *t); @@ -2412,8 +2421,7 @@ bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, u32 vht_cap_info, const struct ieee80211_vht_operation *oper, const struct ieee80211_ht_operation *htop, struct cfg80211_chan_def *chandef); -void ieee80211_chandef_eht_oper(struct ieee80211_sub_if_data *sdata, - const struct ieee80211_eht_operation *eht_oper, +void ieee80211_chandef_eht_oper(const struct ieee80211_eht_operation *eht_oper, bool support_160, bool support_320, struct cfg80211_chan_def *chandef); bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata, diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 14505278073a..f99685e2d633 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -200,15 +200,73 @@ static int ieee80211_verify_mac(struct ieee80211_sub_if_data *sdata, u8 *addr, return ret; } +static int ieee80211_can_powered_addr_change(struct ieee80211_sub_if_data *sdata) +{ + struct ieee80211_roc_work *roc; + struct ieee80211_local *local = sdata->local; + struct ieee80211_sub_if_data *scan_sdata; + int ret = 0; + + /* To be the most flexible here we want to only limit changing the + * address if the specific interface is doing offchannel work or + * scanning. + */ + if (netif_carrier_ok(sdata->dev)) + return -EBUSY; + + mutex_lock(&local->mtx); + + /* First check no ROC work is happening on this iface */ + list_for_each_entry(roc, &local->roc_list, list) { + if (roc->sdata != sdata) + continue; + + if (roc->started) { + ret = -EBUSY; + goto unlock; + } + } + + /* And if this iface is scanning */ + if (local->scanning) { + scan_sdata = rcu_dereference_protected(local->scan_sdata, + lockdep_is_held(&local->mtx)); + if (sdata == scan_sdata) + ret = -EBUSY; + } + + switch (sdata->vif.type) { + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_P2P_CLIENT: + /* More interface types could be added here but changing the + * address while powered makes the most sense in client modes. + */ + break; + default: + return -EOPNOTSUPP; + } + +unlock: + mutex_unlock(&local->mtx); + return ret; +} + static int ieee80211_change_mac(struct net_device *dev, void *addr) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; struct sockaddr *sa = addr; bool check_dup = true; + bool live = false; int ret; - if (ieee80211_sdata_running(sdata)) - return -EBUSY; + if (ieee80211_sdata_running(sdata)) { + ret = ieee80211_can_powered_addr_change(sdata); + if (ret) + return ret; + + live = true; + } if (sdata->vif.type == NL80211_IFTYPE_MONITOR && !(sdata->u.mntr.flags & MONITOR_FLAG_ACTIVE)) @@ -218,6 +276,8 @@ static int ieee80211_change_mac(struct net_device *dev, void *addr) if (ret) return ret; + if (live) + drv_remove_interface(local, sdata); ret = eth_mac_addr(dev, sa); if (ret == 0) { @@ -225,6 +285,12 @@ static int ieee80211_change_mac(struct net_device *dev, void *addr) ether_addr_copy(sdata->vif.bss_conf.addr, sdata->vif.addr); } + /* Regardless of eth_mac_addr() return we still want to add the + * interface back. This should not fail... + */ + if (live) + WARN_ON(drv_add_interface(local, sdata)); + return ret; } @@ -296,6 +362,11 @@ static int ieee80211_check_concurrent_iface(struct ieee80211_sub_if_data *sdata, nsdata->vif.type)) return -ENOTUNIQ; + /* No support for VLAN with MLO yet */ + if (iftype == NL80211_IFTYPE_AP_VLAN && + nsdata->wdev.use_4addr) + return -EOPNOTSUPP; + /* * can only add VLANs to enabled APs */ @@ -368,257 +439,6 @@ static int ieee80211_open(struct net_device *dev) return err; } -static void ieee80211_link_setup(struct ieee80211_link_data *link) -{ - if (link->sdata->vif.type == NL80211_IFTYPE_STATION) - ieee80211_mgd_setup_link(link); -} - -static void ieee80211_link_init(struct ieee80211_sub_if_data *sdata, - int link_id, - struct ieee80211_link_data *link, - struct ieee80211_bss_conf *link_conf) -{ - bool deflink = link_id < 0; - - if (link_id < 0) - link_id = 0; - - rcu_assign_pointer(sdata->vif.link_conf[link_id], link_conf); - rcu_assign_pointer(sdata->link[link_id], link); - - link->sdata = sdata; - link->link_id = link_id; - link->conf = link_conf; - link_conf->link_id = link_id; - - INIT_WORK(&link->csa_finalize_work, - ieee80211_csa_finalize_work); - INIT_WORK(&link->color_change_finalize_work, - ieee80211_color_change_finalize_work); - INIT_LIST_HEAD(&link->assigned_chanctx_list); - INIT_LIST_HEAD(&link->reserved_chanctx_list); - INIT_DELAYED_WORK(&link->dfs_cac_timer_work, - ieee80211_dfs_cac_timer_work); - - if (!deflink) { - switch (sdata->vif.type) { - case NL80211_IFTYPE_AP: - ether_addr_copy(link_conf->addr, - sdata->wdev.links[link_id].addr); - link_conf->bssid = link_conf->addr; - WARN_ON(!(sdata->wdev.valid_links & BIT(link_id))); - break; - case NL80211_IFTYPE_STATION: - /* station sets the bssid in ieee80211_mgd_setup_link */ - break; - default: - WARN_ON(1); - } - } -} - -static void ieee80211_link_stop(struct ieee80211_link_data *link) -{ - if (link->sdata->vif.type == NL80211_IFTYPE_STATION) - ieee80211_mgd_stop_link(link); - - ieee80211_link_release_channel(link); -} - -struct link_container { - struct ieee80211_link_data data; - struct ieee80211_bss_conf conf; -}; - -static void ieee80211_free_links(struct ieee80211_sub_if_data *sdata, - struct link_container **links) -{ - LIST_HEAD(keys); - unsigned int link_id; - - for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) { - if (!links[link_id]) - continue; - ieee80211_remove_link_keys(&links[link_id]->data, &keys); - } - - synchronize_rcu(); - - ieee80211_free_key_list(sdata->local, &keys); - - for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) { - if (!links[link_id]) - continue; - ieee80211_link_stop(&links[link_id]->data); - kfree(links[link_id]); - } -} - -static int ieee80211_check_dup_link_addrs(struct ieee80211_sub_if_data *sdata) -{ - unsigned int i, j; - - for (i = 0; i < IEEE80211_MLD_MAX_NUM_LINKS; i++) { - struct ieee80211_link_data *link1; - - link1 = sdata_dereference(sdata->link[i], sdata); - if (!link1) - continue; - for (j = i + 1; j < IEEE80211_MLD_MAX_NUM_LINKS; j++) { - struct ieee80211_link_data *link2; - - link2 = sdata_dereference(sdata->link[j], sdata); - if (!link2) - continue; - - if (ether_addr_equal(link1->conf->addr, - link2->conf->addr)) - return -EALREADY; - } - } - - return 0; -} - -static int ieee80211_vif_update_links(struct ieee80211_sub_if_data *sdata, - struct link_container **to_free, - u16 new_links) -{ - u16 old_links = sdata->vif.valid_links; - unsigned long add = new_links & ~old_links; - unsigned long rem = old_links & ~new_links; - unsigned int link_id; - int ret; - struct link_container *links[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *link; - struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS]; - struct ieee80211_link_data *old_data[IEEE80211_MLD_MAX_NUM_LINKS]; - bool use_deflink = old_links == 0; /* set for error case */ - - sdata_assert_lock(sdata); - - memset(to_free, 0, sizeof(links)); - - if (old_links == new_links) - return 0; - - /* if there were no old links, need to clear the pointers to deflink */ - if (!old_links) - rem |= BIT(0); - - /* allocate new link structures first */ - for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { - link = kzalloc(sizeof(*link), GFP_KERNEL); - if (!link) { - ret = -ENOMEM; - goto free; - } - links[link_id] = link; - } - - /* keep track of the old pointers for the driver */ - BUILD_BUG_ON(sizeof(old) != sizeof(sdata->vif.link_conf)); - memcpy(old, sdata->vif.link_conf, sizeof(old)); - /* and for us in error cases */ - BUILD_BUG_ON(sizeof(old_data) != sizeof(sdata->link)); - memcpy(old_data, sdata->link, sizeof(old_data)); - - /* grab old links to free later */ - for_each_set_bit(link_id, &rem, IEEE80211_MLD_MAX_NUM_LINKS) { - if (rcu_access_pointer(sdata->link[link_id]) != &sdata->deflink) { - /* - * we must have allocated the data through this path so - * we know we can free both at the same time - */ - to_free[link_id] = container_of(rcu_access_pointer(sdata->link[link_id]), - typeof(*links[link_id]), - data); - } - - RCU_INIT_POINTER(sdata->link[link_id], NULL); - RCU_INIT_POINTER(sdata->vif.link_conf[link_id], NULL); - } - - /* link them into data structures */ - for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { - WARN_ON(!use_deflink && - rcu_access_pointer(sdata->link[link_id]) == &sdata->deflink); - - link = links[link_id]; - ieee80211_link_init(sdata, link_id, &link->data, &link->conf); - ieee80211_link_setup(&link->data); - } - - if (new_links == 0) - ieee80211_link_init(sdata, -1, &sdata->deflink, - &sdata->vif.bss_conf); - - sdata->vif.valid_links = new_links; - - ret = ieee80211_check_dup_link_addrs(sdata); - if (!ret) { - /* tell the driver */ - ret = drv_change_vif_links(sdata->local, sdata, - old_links, new_links, - old); - } - - if (ret) { - /* restore config */ - memcpy(sdata->link, old_data, sizeof(old_data)); - memcpy(sdata->vif.link_conf, old, sizeof(old)); - sdata->vif.valid_links = old_links; - /* and free (only) the newly allocated links */ - memset(to_free, 0, sizeof(links)); - goto free; - } - - /* use deflink/bss_conf again if and only if there are no more links */ - use_deflink = new_links == 0; - - goto deinit; -free: - /* if we failed during allocation, only free all */ - for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) { - kfree(links[link_id]); - links[link_id] = NULL; - } -deinit: - if (use_deflink) - ieee80211_link_init(sdata, -1, &sdata->deflink, - &sdata->vif.bss_conf); - return ret; -} - -int ieee80211_vif_set_links(struct ieee80211_sub_if_data *sdata, - u16 new_links) -{ - struct link_container *links[IEEE80211_MLD_MAX_NUM_LINKS]; - int ret; - - ret = ieee80211_vif_update_links(sdata, links, new_links); - ieee80211_free_links(sdata, links); - - return ret; -} - -static void ieee80211_vif_clear_links(struct ieee80211_sub_if_data *sdata) -{ - struct link_container *links[IEEE80211_MLD_MAX_NUM_LINKS]; - - /* - * The locking here is different because when we free links - * in the station case we need to be able to cancel_work_sync() - * something that also takes the lock. - */ - - sdata_lock(sdata); - ieee80211_vif_update_links(sdata, links, 0); - sdata_unlock(sdata); - - ieee80211_free_links(sdata, links); -} - static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_down) { struct ieee80211_local *local = sdata->local; @@ -2407,6 +2227,7 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, sdata->u.mgd.use_4addr = params->use_4addr; ndev->features |= local->hw.netdev_features; + ndev->priv_flags |= IFF_LIVE_ADDR_CHANGE; ndev->hw_features |= ndev->features & MAC80211_SUPPORTED_FEATURES_TX; diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 86aac87e0211..d89ec93b243b 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -865,8 +865,10 @@ int ieee80211_key_link(struct ieee80211_key *key, if (link_id >= 0) { link_sta = rcu_dereference_protected(sta->link[link_id], lockdep_is_held(&sta->local->sta_mtx)); - if (!link_sta) - return -ENOLINK; + if (!link_sta) { + ret = -ENOLINK; + goto out; + } } old_key = key_mtx_dereference(sdata->local, link_sta->gtk[idx]); diff --git a/net/mac80211/link.c b/net/mac80211/link.c new file mode 100644 index 000000000000..096f313c2a6e --- /dev/null +++ b/net/mac80211/link.c @@ -0,0 +1,262 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * MLO link handling + * + * Copyright (C) 2022 Intel Corporation + */ +#include <linux/slab.h> +#include <linux/kernel.h> +#include <net/mac80211.h> +#include "ieee80211_i.h" +#include "driver-ops.h" + +void ieee80211_link_setup(struct ieee80211_link_data *link) +{ + if (link->sdata->vif.type == NL80211_IFTYPE_STATION) + ieee80211_mgd_setup_link(link); +} + +void ieee80211_link_init(struct ieee80211_sub_if_data *sdata, + int link_id, + struct ieee80211_link_data *link, + struct ieee80211_bss_conf *link_conf) +{ + bool deflink = link_id < 0; + + if (link_id < 0) + link_id = 0; + + rcu_assign_pointer(sdata->vif.link_conf[link_id], link_conf); + rcu_assign_pointer(sdata->link[link_id], link); + + link->sdata = sdata; + link->link_id = link_id; + link->conf = link_conf; + link_conf->link_id = link_id; + + INIT_WORK(&link->csa_finalize_work, + ieee80211_csa_finalize_work); + INIT_WORK(&link->color_change_finalize_work, + ieee80211_color_change_finalize_work); + INIT_LIST_HEAD(&link->assigned_chanctx_list); + INIT_LIST_HEAD(&link->reserved_chanctx_list); + INIT_DELAYED_WORK(&link->dfs_cac_timer_work, + ieee80211_dfs_cac_timer_work); + + if (!deflink) { + switch (sdata->vif.type) { + case NL80211_IFTYPE_AP: + ether_addr_copy(link_conf->addr, + sdata->wdev.links[link_id].addr); + link_conf->bssid = link_conf->addr; + WARN_ON(!(sdata->wdev.valid_links & BIT(link_id))); + break; + case NL80211_IFTYPE_STATION: + /* station sets the bssid in ieee80211_mgd_setup_link */ + break; + default: + WARN_ON(1); + } + } +} + +void ieee80211_link_stop(struct ieee80211_link_data *link) +{ + if (link->sdata->vif.type == NL80211_IFTYPE_STATION) + ieee80211_mgd_stop_link(link); + + ieee80211_link_release_channel(link); +} + +struct link_container { + struct ieee80211_link_data data; + struct ieee80211_bss_conf conf; +}; + +static void ieee80211_free_links(struct ieee80211_sub_if_data *sdata, + struct link_container **links) +{ + LIST_HEAD(keys); + unsigned int link_id; + + for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) { + if (!links[link_id]) + continue; + ieee80211_remove_link_keys(&links[link_id]->data, &keys); + } + + synchronize_rcu(); + + ieee80211_free_key_list(sdata->local, &keys); + + for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) { + if (!links[link_id]) + continue; + ieee80211_link_stop(&links[link_id]->data); + kfree(links[link_id]); + } +} + +static int ieee80211_check_dup_link_addrs(struct ieee80211_sub_if_data *sdata) +{ + unsigned int i, j; + + for (i = 0; i < IEEE80211_MLD_MAX_NUM_LINKS; i++) { + struct ieee80211_link_data *link1; + + link1 = sdata_dereference(sdata->link[i], sdata); + if (!link1) + continue; + for (j = i + 1; j < IEEE80211_MLD_MAX_NUM_LINKS; j++) { + struct ieee80211_link_data *link2; + + link2 = sdata_dereference(sdata->link[j], sdata); + if (!link2) + continue; + + if (ether_addr_equal(link1->conf->addr, + link2->conf->addr)) + return -EALREADY; + } + } + + return 0; +} + +static int ieee80211_vif_update_links(struct ieee80211_sub_if_data *sdata, + struct link_container **to_free, + u16 new_links) +{ + u16 old_links = sdata->vif.valid_links; + unsigned long add = new_links & ~old_links; + unsigned long rem = old_links & ~new_links; + unsigned int link_id; + int ret; + struct link_container *links[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *link; + struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS]; + struct ieee80211_link_data *old_data[IEEE80211_MLD_MAX_NUM_LINKS]; + bool use_deflink = old_links == 0; /* set for error case */ + + sdata_assert_lock(sdata); + + memset(to_free, 0, sizeof(links)); + + if (old_links == new_links) + return 0; + + /* if there were no old links, need to clear the pointers to deflink */ + if (!old_links) + rem |= BIT(0); + + /* allocate new link structures first */ + for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { + link = kzalloc(sizeof(*link), GFP_KERNEL); + if (!link) { + ret = -ENOMEM; + goto free; + } + links[link_id] = link; + } + + /* keep track of the old pointers for the driver */ + BUILD_BUG_ON(sizeof(old) != sizeof(sdata->vif.link_conf)); + memcpy(old, sdata->vif.link_conf, sizeof(old)); + /* and for us in error cases */ + BUILD_BUG_ON(sizeof(old_data) != sizeof(sdata->link)); + memcpy(old_data, sdata->link, sizeof(old_data)); + + /* grab old links to free later */ + for_each_set_bit(link_id, &rem, IEEE80211_MLD_MAX_NUM_LINKS) { + if (rcu_access_pointer(sdata->link[link_id]) != &sdata->deflink) { + /* + * we must have allocated the data through this path so + * we know we can free both at the same time + */ + to_free[link_id] = container_of(rcu_access_pointer(sdata->link[link_id]), + typeof(*links[link_id]), + data); + } + + RCU_INIT_POINTER(sdata->link[link_id], NULL); + RCU_INIT_POINTER(sdata->vif.link_conf[link_id], NULL); + } + + /* link them into data structures */ + for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { + WARN_ON(!use_deflink && + rcu_access_pointer(sdata->link[link_id]) == &sdata->deflink); + + link = links[link_id]; + ieee80211_link_init(sdata, link_id, &link->data, &link->conf); + ieee80211_link_setup(&link->data); + } + + if (new_links == 0) + ieee80211_link_init(sdata, -1, &sdata->deflink, + &sdata->vif.bss_conf); + + sdata->vif.valid_links = new_links; + + ret = ieee80211_check_dup_link_addrs(sdata); + if (!ret) { + /* tell the driver */ + ret = drv_change_vif_links(sdata->local, sdata, + old_links, new_links, + old); + } + + if (ret) { + /* restore config */ + memcpy(sdata->link, old_data, sizeof(old_data)); + memcpy(sdata->vif.link_conf, old, sizeof(old)); + sdata->vif.valid_links = old_links; + /* and free (only) the newly allocated links */ + memset(to_free, 0, sizeof(links)); + goto free; + } + + /* use deflink/bss_conf again if and only if there are no more links */ + use_deflink = new_links == 0; + + goto deinit; +free: + /* if we failed during allocation, only free all */ + for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) { + kfree(links[link_id]); + links[link_id] = NULL; + } +deinit: + if (use_deflink) + ieee80211_link_init(sdata, -1, &sdata->deflink, + &sdata->vif.bss_conf); + return ret; +} + +int ieee80211_vif_set_links(struct ieee80211_sub_if_data *sdata, + u16 new_links) +{ + struct link_container *links[IEEE80211_MLD_MAX_NUM_LINKS]; + int ret; + + ret = ieee80211_vif_update_links(sdata, links, new_links); + ieee80211_free_links(sdata, links); + + return ret; +} + +void ieee80211_vif_clear_links(struct ieee80211_sub_if_data *sdata) +{ + struct link_container *links[IEEE80211_MLD_MAX_NUM_LINKS]; + + /* + * The locking here is different because when we free links + * in the station case we need to be able to cancel_work_sync() + * something that also takes the lock. + */ + + sdata_lock(sdata); + ieee80211_vif_update_links(sdata, links, 0); + sdata_unlock(sdata); + + ieee80211_free_links(sdata, links); +} diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 5b1c47ed0cc0..46f3eddc2388 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -699,6 +699,8 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len, NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS); wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SCAN_FREQ_KHZ); + wiphy_ext_feature_set(wiphy, + NL80211_EXT_FEATURE_POWERED_ADDR_CHANGE); if (!ops->hw_scan) { wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN | diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 00d0c433fa2b..84a3e08a7e84 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -314,7 +314,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, if (eht_oper && (eht_oper->params & IEEE80211_EHT_OPER_INFO_PRESENT)) { struct cfg80211_chan_def eht_chandef = *chandef; - ieee80211_chandef_eht_oper(sdata, eht_oper, + ieee80211_chandef_eht_oper(eht_oper, eht_chandef.width == NL80211_CHAN_WIDTH_160, false, &eht_chandef); @@ -2445,6 +2445,29 @@ static void ieee80211_sta_handle_tspec_ac_params_wk(struct work_struct *work) ieee80211_sta_handle_tspec_ac_params(sdata); } +void ieee80211_mgd_set_link_qos_params(struct ieee80211_link_data *link) +{ + struct ieee80211_sub_if_data *sdata = link->sdata; + struct ieee80211_local *local = sdata->local; + struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; + struct ieee80211_tx_queue_params *params = link->tx_conf; + u8 ac; + + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { + mlme_dbg(sdata, + "WMM AC=%d acm=%d aifs=%d cWmin=%d cWmax=%d txop=%d uapsd=%d, downgraded=%d\n", + ac, params[ac].acm, + params[ac].aifs, params[ac].cw_min, params[ac].cw_max, + params[ac].txop, params[ac].uapsd, + ifmgd->tx_tspec[ac].downgraded); + if (!ifmgd->tx_tspec[ac].downgraded && + drv_conf_tx(local, link, ac, ¶ms[ac])) + link_err(link, + "failed to set TX queue parameters for AC %d\n", + ac); + } +} + /* MLME */ static bool ieee80211_sta_wmm_params(struct ieee80211_local *local, @@ -2576,20 +2599,10 @@ ieee80211_sta_wmm_params(struct ieee80211_local *local, } } - for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { - mlme_dbg(sdata, - "WMM AC=%d acm=%d aifs=%d cWmin=%d cWmax=%d txop=%d uapsd=%d, downgraded=%d\n", - ac, params[ac].acm, - params[ac].aifs, params[ac].cw_min, params[ac].cw_max, - params[ac].txop, params[ac].uapsd, - ifmgd->tx_tspec[ac].downgraded); + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) link->tx_conf[ac] = params[ac]; - if (!ifmgd->tx_tspec[ac].downgraded && - drv_conf_tx(local, link, ac, ¶ms[ac])) - link_err(link, - "failed to set TX queue parameters for AC %d\n", - ac); - } + + ieee80211_mgd_set_link_qos_params(link); /* enable WMM or activate new settings */ link->conf->qos = true; @@ -6323,6 +6336,8 @@ void ieee80211_mgd_setup_link(struct ieee80211_link_data *link) if (sdata->u.mgd.assoc_data) ether_addr_copy(link->conf->addr, sdata->u.mgd.assoc_data->link[link_id].addr); + else if (!is_valid_ether_addr(link->conf->addr)) + eth_random_addr(link->conf->addr); } /* scan finished notification */ @@ -6410,9 +6425,6 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata, goto out_err; } - if (mlo && !is_valid_ether_addr(link->conf->addr)) - eth_random_addr(link->conf->addr); - if (WARN_ON(!ifmgd->auth_data && !ifmgd->assoc_data)) { err = -EINVAL; goto out_err; @@ -6894,6 +6906,10 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, } } + /* FIXME: no support for 4-addr MLO yet */ + if (sdata->u.mgd.use_4addr && req->link_id >= 0) + return -EOPNOTSUPP; + assoc_data = kzalloc(size, GFP_KERNEL); if (!assoc_data) return -ENOMEM; diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index c4f2aeb31da3..0e8c4f48c36d 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -485,7 +485,7 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted) /* Set power back to normal operating levels. */ ieee80211_hw_config(local, 0); - if (!hw_scan) { + if (!hw_scan && was_scanning) { ieee80211_configure_filter(local); drv_sw_scan_complete(local, scan_sdata); ieee80211_offchannel_return(local); diff --git a/net/mac80211/util.c b/net/mac80211/util.c index a292e63377c3..3359ab332d7d 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -2530,7 +2530,6 @@ int ieee80211_reconfig(struct ieee80211_local *local) if (link) ieee80211_assign_chanctx(local, sdata, link); } - sdata_unlock(sdata); switch (sdata->vif.type) { case NL80211_IFTYPE_AP_VLAN: @@ -2549,6 +2548,7 @@ int ieee80211_reconfig(struct ieee80211_local *local) &sdata->deflink.tx_conf[i]); break; } + sdata_unlock(sdata); /* common change flags for all interface types */ changed = BSS_CHANGED_ERP_CTS_PROT | @@ -2657,23 +2657,21 @@ int ieee80211_reconfig(struct ieee80211_local *local) } /* APs are now beaconing, add back stations */ - mutex_lock(&local->sta_mtx); - list_for_each_entry(sta, &local->sta_list, list) { - enum ieee80211_sta_state state; - - if (!sta->uploaded) - continue; - - if (sta->sdata->vif.type != NL80211_IFTYPE_AP && - sta->sdata->vif.type != NL80211_IFTYPE_AP_VLAN) + list_for_each_entry(sdata, &local->interfaces, list) { + if (!ieee80211_sdata_running(sdata)) continue; - for (state = IEEE80211_STA_NOTEXIST; - state < sta->sta_state; state++) - WARN_ON(drv_sta_state(local, sta->sdata, sta, state, - state + 1)); + sdata_lock(sdata); + switch (sdata->vif.type) { + case NL80211_IFTYPE_AP_VLAN: + case NL80211_IFTYPE_AP: + ieee80211_reconfig_stations(sdata); + break; + default: + break; + } + sdata_unlock(sdata); } - mutex_unlock(&local->sta_mtx); /* add back keys */ list_for_each_entry(sdata, &local->interfaces, list) @@ -3512,8 +3510,7 @@ bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, u32 vht_cap_info, return true; } -void ieee80211_chandef_eht_oper(struct ieee80211_sub_if_data *sdata, - const struct ieee80211_eht_operation *eht_oper, +void ieee80211_chandef_eht_oper(const struct ieee80211_eht_operation *eht_oper, bool support_160, bool support_320, struct cfg80211_chan_def *chandef) { @@ -3689,7 +3686,7 @@ bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata, support_320 = eht_phy_cap & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ; - ieee80211_chandef_eht_oper(sdata, eht_oper, support_160, + ieee80211_chandef_eht_oper(eht_oper, support_160, support_320, &he_chandef); } |