mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-04-29 09:22:53 -04:00
Code Issues Packages Projects Releases Wiki Activity

wifi: mac80211: implement callbacks for <add/mod/del>_link_station

Browse Source 
Implement callbacks for cfg80211 add_link_station, mod_link_station,
and del_link_station API.

Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Shaul Triebitz
2022-06-14 17:27:03 +03:00
committed by Johannes Berg
parent b95eb7f0ee
commit 21476ad16d
3 changed files with 116 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

108
net/mac80211/cfg.c
View File

@@ -4588,6 +4588,111 @@ static void ieee80211_del_intf_link(struct wiphy *wiphy,
ieee80211_vif_set_links(sdata, wdev->valid_links);
}
static int sta_add_link_station(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct link_station_parameters *params)
{
struct sta_info *sta;
int ret;
sta = sta_info_get_bss(sdata, params->mld_mac);
if (!sta)
return -ENOENT;
if (sta->sta.valid_links & BIT(params->link_id))
return -EALREADY;
ret = ieee80211_sta_allocate_link(sta, params->link_id);
if (ret)
return ret;
ret = sta_link_apply_parameters(local, sta, params);
if (ret) {
ieee80211_sta_free_link(sta, params->link_id);
return ret;
}
/* ieee80211_sta_activate_link frees the link upon failure */
return ieee80211_sta_activate_link(sta, params->link_id);
}
static int
ieee80211_add_link_station(struct wiphy *wiphy, struct net_device *dev,
struct link_station_parameters *params)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = wiphy_priv(wiphy);
int ret;
mutex_lock(&sdata->local->sta_mtx);
ret = sta_add_link_station(local, sdata, params);
mutex_unlock(&sdata->local->sta_mtx);
return ret;
}
static int sta_mod_link_station(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct link_station_parameters *params)
{
struct sta_info *sta;
sta = sta_info_get_bss(sdata, params->mld_mac);
if (!sta)
return -ENOENT;
if (!(sta->sta.valid_links & BIT(params->link_id)))
return -EINVAL;
return sta_link_apply_parameters(local, sta, params);
}
static int
ieee80211_mod_link_station(struct wiphy *wiphy, struct net_device *dev,
struct link_station_parameters *params)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = wiphy_priv(wiphy);
int ret;
mutex_lock(&sdata->local->sta_mtx);
ret = sta_mod_link_station(local, sdata, params);
mutex_unlock(&sdata->local->sta_mtx);
return ret;
}
static int sta_del_link_station(struct ieee80211_sub_if_data *sdata,
struct link_station_del_parameters *params)
{
struct sta_info *sta;
sta = sta_info_get_bss(sdata, params->mld_mac);
if (!sta)
return -ENOENT;
if (!(sta->sta.valid_links & BIT(params->link_id)))
return -EINVAL;
ieee80211_sta_remove_link(sta, params->link_id);
return 0;
}
static int
ieee80211_del_link_station(struct wiphy *wiphy, struct net_device *dev,
struct link_station_del_parameters *params)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
int ret;
mutex_lock(&sdata->local->sta_mtx);
ret = sta_del_link_station(sdata, params);
mutex_unlock(&sdata->local->sta_mtx);
return ret;
}
const struct cfg80211_ops mac80211_config_ops = {
.add_virtual_intf = ieee80211_add_iface,
.del_virtual_intf = ieee80211_del_iface,
@@ -4695,4 +4800,7 @@ const struct cfg80211_ops mac80211_config_ops = {
.set_radar_background = ieee80211_set_radar_background,
.add_intf_link = ieee80211_add_intf_link,
.del_intf_link = ieee80211_del_intf_link,
.add_link_station = ieee80211_add_link_station,
.mod_link_station = ieee80211_mod_link_station,
.del_link_station = ieee80211_del_link_station,
};

7
net/mac80211/sta_info.c
View File

@@ -2702,6 +2702,13 @@ static int link_sta_info_hash_add(struct ieee80211_local *local,
link_sta_rht_params);
}
void ieee80211_sta_free_link(struct sta_info *sta, unsigned int link_id)
{
lockdep_assert_held(&sta->sdata->local->sta_mtx);
sta_remove_link(sta, link_id, false);
}
int ieee80211_sta_activate_link(struct sta_info *sta, unsigned int link_id)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;

1
net/mac80211/sta_info.h
View File

@@ -900,6 +900,7 @@ void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata,
unsigned long exp_time);
int ieee80211_sta_allocate_link(struct sta_info *sta, unsigned int link_id);
void ieee80211_sta_free_link(struct sta_info *sta, unsigned int link_id);
int ieee80211_sta_activate_link(struct sta_info *sta, unsigned int link_id);
void ieee80211_sta_remove_link(struct sta_info *sta, unsigned int link_id);