@@ -2131,6 +2131,9 @@ void ieee80211_link_release_channel(struct ieee80211_link_data *link)
{
struct ieee80211_sub_if_data *sdata = link->sdata;
+ if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+ return;
+
lockdep_assert_wiphy(sdata->local->hw.wiphy);
if (rcu_access_pointer(link->conf->chanctx_conf))
@@ -2076,6 +2076,9 @@ static inline void ieee80211_vif_clear_links(struct ieee80211_sub_if_data *sdata
ieee80211_vif_set_links(sdata, 0, 0);
}
+void ieee80211_apvlan_link_setup(struct ieee80211_sub_if_data *sdata);
+void ieee80211_apvlan_link_clear(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);
@@ -485,6 +485,9 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
case NL80211_IFTYPE_MONITOR:
list_del_rcu(&sdata->u.mntr.list);
break;
+ case NL80211_IFTYPE_AP_VLAN:
+ ieee80211_apvlan_link_clear(sdata);
+ break;
default:
break;
}
@@ -1232,7 +1235,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
struct net_device *dev = wdev->netdev;
struct ieee80211_local *local = sdata->local;
u64 changed = 0;
- int res;
+ int link_id, res;
u32 hw_reconf_flags = 0;
lockdep_assert_wiphy(local->hw.wiphy);
@@ -1264,6 +1267,8 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
sdata->crypto_tx_tailroom_needed_cnt +=
master->crypto_tx_tailroom_needed_cnt;
+ ieee80211_apvlan_link_setup(sdata);
+
break;
}
case NL80211_IFTYPE_AP:
@@ -1320,7 +1325,20 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
case NL80211_IFTYPE_AP_VLAN:
/* no need to tell driver, but set carrier and chanctx */
if (sdata->bss->active) {
- ieee80211_link_vlan_copy_chanctx(&sdata->deflink);
+ struct ieee80211_link_data *link;
+ unsigned long valid_links = sdata->vif.valid_links;
+
+ if (valid_links) {
+ for_each_set_bit(link_id, &valid_links,
+ IEEE80211_MLD_MAX_NUM_LINKS) {
+ link = sdata_dereference(sdata->link[link_id],
+ sdata);
+ ieee80211_link_vlan_copy_chanctx(link);
+ }
+ } else {
+ ieee80211_link_vlan_copy_chanctx(&sdata->deflink);
+ }
+
netif_carrier_on(dev);
ieee80211_set_vif_encap_ops(sdata);
} else {
@@ -12,6 +12,71 @@
#include "key.h"
#include "debugfs_netdev.h"
+static void ieee80211_update_apvlan_links(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_sub_if_data *vlan;
+ struct ieee80211_link_data *link;
+ u16 ap_bss_links = sdata->vif.valid_links;
+ u16 new_links, vlan_links;
+ unsigned long add;
+
+ list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
+ int link_id;
+
+ if (!vlan)
+ continue;
+
+ /* No support for 4addr with MLO yet */
+ if (vlan->wdev.use_4addr)
+ return;
+
+ vlan_links = vlan->vif.valid_links;
+
+ new_links = ap_bss_links;
+
+ add = new_links & ~vlan_links;
+ if (!add)
+ continue;
+
+ ieee80211_vif_set_links(vlan, add, 0);
+
+ for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
+ link = sdata_dereference(vlan->link[link_id], vlan);
+ ieee80211_link_vlan_copy_chanctx(link);
+ }
+ }
+}
+
+void ieee80211_apvlan_link_setup(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_sub_if_data *ap_bss = container_of(sdata->bss,
+ struct ieee80211_sub_if_data, u.ap);
+ u16 new_links = ap_bss->vif.valid_links;
+ unsigned long add;
+ int link_id;
+
+ if (!ap_bss->vif.valid_links)
+ return;
+
+ add = new_links;
+ for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
+ sdata->wdev.valid_links |= BIT(link_id);
+ ether_addr_copy(sdata->wdev.links[link_id].addr,
+ ap_bss->wdev.links[link_id].addr);
+ }
+
+ ieee80211_vif_set_links(sdata, new_links, 0);
+}
+
+void ieee80211_apvlan_link_clear(struct ieee80211_sub_if_data *sdata)
+{
+ if (!sdata->wdev.valid_links)
+ return;
+
+ sdata->wdev.valid_links = 0;
+ ieee80211_vif_clear_links(sdata);
+}
+
void ieee80211_link_setup(struct ieee80211_link_data *link)
{
if (link->sdata->vif.type == NL80211_IFTYPE_STATION)
@@ -31,6 +96,17 @@ void ieee80211_link_init(struct ieee80211_sub_if_data *sdata,
rcu_assign_pointer(sdata->vif.link_conf[link_id], link_conf);
rcu_assign_pointer(sdata->link[link_id], link);
+ if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
+ struct ieee80211_sub_if_data *ap_bss;
+ struct ieee80211_bss_conf *ap_bss_conf;
+
+ ap_bss = container_of(sdata->bss,
+ struct ieee80211_sub_if_data, u.ap);
+ ap_bss_conf = sdata_dereference(ap_bss->vif.link_conf[link_id],
+ ap_bss);
+ memcpy(link_conf, ap_bss_conf, sizeof(*link_conf));
+ }
+
link->sdata = sdata;
link->link_id = link_id;
link->conf = link_conf;
@@ -54,6 +130,7 @@ void ieee80211_link_init(struct ieee80211_sub_if_data *sdata,
if (!deflink) {
switch (sdata->vif.type) {
case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
ether_addr_copy(link_conf->addr,
sdata->wdev.links[link_id].addr);
link_conf->bssid = link_conf->addr;
@@ -177,6 +254,7 @@ static void ieee80211_set_vif_links_bitmaps(struct ieee80211_sub_if_data *sdata,
switch (sdata->vif.type) {
case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
/* in an AP all links are always active */
sdata->vif.active_links = valid_links;
@@ -278,12 +356,16 @@ static int ieee80211_vif_update_links(struct ieee80211_sub_if_data *sdata,
ieee80211_set_vif_links_bitmaps(sdata, new_links, dormant_links);
/* tell the driver */
- ret = drv_change_vif_links(sdata->local, sdata,
- old_links & old_active,
- new_links & sdata->vif.active_links,
- old);
+ if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN)
+ ret = drv_change_vif_links(sdata->local, sdata,
+ old_links & old_active,
+ new_links & sdata->vif.active_links,
+ old);
if (!new_links)
ieee80211_debugfs_recreate_netdev(sdata, false);
+
+ if (sdata->vif.type == NL80211_IFTYPE_AP)
+ ieee80211_update_apvlan_links(sdata);
}
if (ret) {
Currently, MLD links for an AP_VLAN interface type is not fully supported. Add allocation of separate links for each VLAN interface and copy chanctx and chandef of AP bss to VLAN where necessary. Separate links are created because for Dynamic VLAN each link will have its own default_multicast_key. Signed-off-by: Muna Sinada <muna.sinada@oss.qualcomm.com> --- v3: rebase to cleanly apply to wireless-next v2: - move clearing links for AP_VLAN into seperate function: ieee80211_apvlan_link_clear() - remove use of goto - replaced "master" terminalogy with "AP bss" - update Author signoff to new email --- net/mac80211/chan.c | 3 ++ net/mac80211/ieee80211_i.h | 3 ++ net/mac80211/iface.c | 22 +++++++++- net/mac80211/link.c | 90 ++++++++++++++++++++++++++++++++++++-- 4 files changed, 112 insertions(+), 6 deletions(-)