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path: root/package/mac80211/patches/510-mac80211_4addr_vlan.patch
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Diffstat (limited to 'package/mac80211/patches/510-mac80211_4addr_vlan.patch')
-rw-r--r--package/mac80211/patches/510-mac80211_4addr_vlan.patch269
1 files changed, 0 insertions, 269 deletions
diff --git a/package/mac80211/patches/510-mac80211_4addr_vlan.patch b/package/mac80211/patches/510-mac80211_4addr_vlan.patch
deleted file mode 100644
index d3d1e82930..0000000000
--- a/package/mac80211/patches/510-mac80211_4addr_vlan.patch
+++ /dev/null
@@ -1,269 +0,0 @@
---- a/net/mac80211/ieee80211_i.h
-+++ b/net/mac80211/ieee80211_i.h
-@@ -208,6 +208,9 @@ struct ieee80211_if_wds {
-
- struct ieee80211_if_vlan {
- struct list_head list;
-+
-+ /* used for all tx if the VLAN is configured to 4-addr mode */
-+ struct sta_info *sta;
- };
-
- struct mesh_stats {
-@@ -457,6 +460,8 @@ struct ieee80211_sub_if_data {
- int force_unicast_rateidx; /* forced TX rateidx for unicast frames */
- int max_ratectrl_rateidx; /* max TX rateidx for rate control */
-
-+ bool use_4addr; /* use 4-address frames */
-+
- union {
- struct ieee80211_if_ap ap;
- struct ieee80211_if_wds wds;
---- a/net/mac80211/cfg.c
-+++ b/net/mac80211/cfg.c
-@@ -36,6 +36,24 @@ static bool nl80211_type_check(enum nl80
- }
- }
-
-+static bool nl80211_params_check(enum nl80211_iftype type,
-+ struct vif_params *params)
-+{
-+ if (!nl80211_type_check(type))
-+ return false;
-+
-+ if (params->use_4addr > 0) {
-+ switch(type) {
-+ case NL80211_IFTYPE_AP_VLAN:
-+ case NL80211_IFTYPE_STATION:
-+ break;
-+ default:
-+ return false;
-+ }
-+ }
-+ return true;
-+}
-+
- static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
- enum nl80211_iftype type, u32 *flags,
- struct vif_params *params)
-@@ -45,7 +63,7 @@ static int ieee80211_add_iface(struct wi
- struct ieee80211_sub_if_data *sdata;
- int err;
-
-- if (!nl80211_type_check(type))
-+ if (!nl80211_params_check(type, params))
- return -EINVAL;
-
- err = ieee80211_if_add(local, name, &dev, type, params);
-@@ -75,7 +93,7 @@ static int ieee80211_change_iface(struct
- if (netif_running(dev))
- return -EBUSY;
-
-- if (!nl80211_type_check(type))
-+ if (!nl80211_params_check(type, params))
- return -EINVAL;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-@@ -89,6 +107,9 @@ static int ieee80211_change_iface(struct
- params->mesh_id_len,
- params->mesh_id);
-
-+ if (params->use_4addr >= 0)
-+ sdata->use_4addr = !!params->use_4addr;
-+
- if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
- return 0;
-
-@@ -806,6 +827,13 @@ static int ieee80211_change_station(stru
- return -EINVAL;
- }
-
-+ if (vlansdata->use_4addr) {
-+ if (vlansdata->u.vlan.sta)
-+ return -EBUSY;
-+
-+ rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
-+ }
-+
- sta->sdata = vlansdata;
- ieee80211_send_layer2_update(sta);
- }
---- a/net/mac80211/sta_info.c
-+++ b/net/mac80211/sta_info.c
-@@ -489,6 +489,9 @@ static void __sta_info_unlink(struct sta
- local->num_sta--;
- local->sta_generation++;
-
-+ if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
-+ rcu_assign_pointer(sdata->u.vlan.sta, NULL);
-+
- if (local->ops->sta_notify) {
- if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
- sdata = container_of(sdata->bss,
---- a/net/mac80211/tx.c
-+++ b/net/mac80211/tx.c
-@@ -1046,7 +1046,10 @@ ieee80211_tx_prepare(struct ieee80211_su
-
- hdr = (struct ieee80211_hdr *) skb->data;
-
-- tx->sta = sta_info_get(local, hdr->addr1);
-+ if ((sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && sdata->use_4addr)
-+ tx->sta = rcu_dereference(sdata->u.vlan.sta);
-+ if (!tx->sta)
-+ tx->sta = sta_info_get(local, hdr->addr1);
-
- if (tx->sta && ieee80211_is_data_qos(hdr->frame_control) &&
- (local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION)) {
-@@ -1608,7 +1611,7 @@ netdev_tx_t ieee80211_subif_start_xmit(s
- const u8 *encaps_data;
- int encaps_len, skip_header_bytes;
- int nh_pos, h_pos;
-- struct sta_info *sta;
-+ struct sta_info *sta = NULL;
- u32 sta_flags = 0;
-
- if (unlikely(skb->len < ETH_HLEN)) {
-@@ -1625,8 +1628,25 @@ netdev_tx_t ieee80211_subif_start_xmit(s
- fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
-
- switch (sdata->vif.type) {
-- case NL80211_IFTYPE_AP:
- case NL80211_IFTYPE_AP_VLAN:
-+ rcu_read_lock();
-+ if (sdata->use_4addr)
-+ sta = rcu_dereference(sdata->u.vlan.sta);
-+ if (sta) {
-+ fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS);
-+ /* RA TA DA SA */
-+ memcpy(hdr.addr1, sta->sta.addr, ETH_ALEN);
-+ memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN);
-+ memcpy(hdr.addr3, skb->data, ETH_ALEN);
-+ memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
-+ hdrlen = 30;
-+ sta_flags = get_sta_flags(sta);
-+ }
-+ rcu_read_unlock();
-+ if (sta)
-+ break;
-+ /* fall through */
-+ case NL80211_IFTYPE_AP:
- fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
- /* DA BSSID SA */
- memcpy(hdr.addr1, skb->data, ETH_ALEN);
-@@ -1700,12 +1720,21 @@ netdev_tx_t ieee80211_subif_start_xmit(s
- break;
- #endif
- case NL80211_IFTYPE_STATION:
-- fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
-- /* BSSID SA DA */
- memcpy(hdr.addr1, sdata->u.mgd.bssid, ETH_ALEN);
-- memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
-- memcpy(hdr.addr3, skb->data, ETH_ALEN);
-- hdrlen = 24;
-+ if (sdata->use_4addr && ethertype != ETH_P_PAE) {
-+ fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS);
-+ /* RA TA DA SA */
-+ memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN);
-+ memcpy(hdr.addr3, skb->data, ETH_ALEN);
-+ memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
-+ hdrlen = 30;
-+ } else {
-+ fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
-+ /* BSSID SA DA */
-+ memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
-+ memcpy(hdr.addr3, skb->data, ETH_ALEN);
-+ hdrlen = 24;
-+ }
- break;
- case NL80211_IFTYPE_ADHOC:
- /* DA SA BSSID */
---- a/net/mac80211/iface.c
-+++ b/net/mac80211/iface.c
-@@ -772,6 +772,7 @@ int ieee80211_if_change_type(struct ieee
- ieee80211_mandatory_rates(sdata->local,
- sdata->local->hw.conf.channel->band);
- sdata->drop_unencrypted = 0;
-+ sdata->use_4addr = 0;
-
- return 0;
- }
-@@ -853,6 +854,9 @@ int ieee80211_if_add(struct ieee80211_lo
- params->mesh_id_len,
- params->mesh_id);
-
-+ if (params && params->use_4addr >= 0)
-+ sdata->use_4addr = !!params->use_4addr;
-+
- mutex_lock(&local->iflist_mtx);
- list_add_tail_rcu(&sdata->list, &local->interfaces);
- mutex_unlock(&local->iflist_mtx);
---- a/net/mac80211/rx.c
-+++ b/net/mac80211/rx.c
-@@ -1237,6 +1237,13 @@ __ieee80211_data_to_8023(struct ieee8021
- {
- struct net_device *dev = rx->dev;
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
-+
-+ if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->use_4addr &&
-+ ieee80211_has_a4(hdr->frame_control))
-+ return -1;
-+ if (sdata->use_4addr && is_multicast_ether_addr(hdr->addr1))
-+ return -1;
-
- return ieee80211_data_to_8023(rx->skb, dev->dev_addr, sdata->vif.type);
- }
-@@ -1285,7 +1292,7 @@ ieee80211_deliver_skb(struct ieee80211_r
- if ((sdata->vif.type == NL80211_IFTYPE_AP ||
- sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
- !(sdata->flags & IEEE80211_SDATA_DONT_BRIDGE_PACKETS) &&
-- (rx->flags & IEEE80211_RX_RA_MATCH)) {
-+ (rx->flags & IEEE80211_RX_RA_MATCH) && !rx->sdata->use_4addr) {
- if (is_multicast_ether_addr(ehdr->h_dest)) {
- /*
- * send multicast frames both to higher layers in
-@@ -1590,6 +1597,7 @@ ieee80211_rx_h_data(struct ieee80211_rx_
- {
- struct net_device *dev = rx->dev;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
-+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- __le16 fc = hdr->frame_control;
- int err;
-
-@@ -1599,6 +1607,14 @@ ieee80211_rx_h_data(struct ieee80211_rx_
- if (unlikely(!ieee80211_is_data_present(hdr->frame_control)))
- return RX_DROP_MONITOR;
-
-+ /*
-+ * Allow the cooked monitor interface of an AP to see 4-addr frames so
-+ * that a 4-addr station can be detected and moved into a separate VLAN
-+ */
-+ if (ieee80211_has_a4(hdr->frame_control) &&
-+ sdata->vif.type == NL80211_IFTYPE_AP)
-+ return RX_DROP_MONITOR;
-+
- err = __ieee80211_data_to_8023(rx);
- if (unlikely(err))
- return RX_DROP_UNUSABLE;
-@@ -2039,7 +2055,7 @@ static int prepare_for_handlers(struct i
-
- switch (sdata->vif.type) {
- case NL80211_IFTYPE_STATION:
-- if (!bssid)
-+ if (!bssid && !sdata->use_4addr)
- return 0;
- if (!multicast &&
- compare_ether_addr(sdata->dev->dev_addr, hdr->addr1) != 0) {
---- a/net/wireless/util.c
-+++ b/net/wireless/util.c
-@@ -320,7 +320,9 @@ int ieee80211_data_to_8023(struct sk_buf
- break;
- case cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS):
- if (unlikely(iftype != NL80211_IFTYPE_WDS &&
-- iftype != NL80211_IFTYPE_MESH_POINT))
-+ iftype != NL80211_IFTYPE_MESH_POINT &&
-+ iftype != NL80211_IFTYPE_AP_VLAN &&
-+ iftype != NL80211_IFTYPE_STATION))
- return -1;
- if (iftype == NL80211_IFTYPE_MESH_POINT) {
- struct ieee80211s_hdr *meshdr =
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-20 13:10:04 +0000