diff options
| -rw-r--r-- | package/iw/patches/000-upstream.patch | 155 | ||||
| -rw-r--r-- | package/iw/patches/100-4addr.patch | 76 | ||||
| -rw-r--r-- | package/iw/patches/110-sta_vlan.patch | 69 | ||||
| -rw-r--r-- | package/mac80211/files/lib/wifi/mac80211.sh | 5 | ||||
| -rw-r--r-- | package/mac80211/patches/500-nl80211_4addr.patch | 69 | ||||
| -rw-r--r-- | package/mac80211/patches/510-mac80211_4addr_vlan.patch | 260 |
6 files changed, 633 insertions, 1 deletions
diff --git a/package/iw/patches/000-upstream.patch b/package/iw/patches/000-upstream.patch new file mode 100644 index 000000000..8aee7758a --- /dev/null +++ b/package/iw/patches/000-upstream.patch @@ -0,0 +1,155 @@ +--- a/Makefile ++++ b/Makefile +@@ -3,7 +3,7 @@ + MAKEFLAGS += --no-print-directory + + PREFIX ?= /usr +-BINDIR ?= $(PREFIX)/bin ++SBINDIR ?= $(PREFIX)/sbin + MANDIR ?= $(PREFIX)/share/man + PKG_CONFIG ?= pkg-config + +@@ -85,8 +85,8 @@ check: + + install: iw iw.8.gz + @$(NQ) ' INST iw' +- $(Q)$(MKDIR) $(DESTDIR)$(BINDIR) +- $(Q)$(INSTALL) -m 755 -t $(DESTDIR)$(BINDIR) iw ++ $(Q)$(MKDIR) $(DESTDIR)$(SBINDIR) ++ $(Q)$(INSTALL) -m 755 -t $(DESTDIR)$(SBINDIR) iw + @$(NQ) ' INST iw.8' + $(Q)$(MKDIR) $(DESTDIR)$(MANDIR)/man8/ + $(Q)$(INSTALL) -m 644 -t $(DESTDIR)$(MANDIR)/man8/ iw.8.gz +--- a/iw.c ++++ b/iw.c +@@ -223,9 +223,12 @@ static int phy_lookup(char *name) + if (fd < 0) + return -1; + pos = read(fd, buf, sizeof(buf) - 1); +- if (pos < 0) ++ if (pos < 0) { ++ close(fd); + return -1; ++ } + buf[pos] = '\0'; ++ close(fd); + return atoi(buf); + } + +--- a/nl80211.h ++++ b/nl80211.h +@@ -262,6 +262,9 @@ + * reasons, for this the %NL80211_ATTR_DISCONNECTED_BY_AP and + * %NL80211_ATTR_REASON_CODE attributes are used. + * ++ * @NL80211_CMD_SET_WIPHY_NETNS: Set a wiphy's netns. Note that all devices ++ * associated with this wiphy must be down and will follow. ++ * + * @NL80211_CMD_MAX: highest used command number + * @__NL80211_CMD_AFTER_LAST: internal use + */ +@@ -336,6 +339,8 @@ enum nl80211_commands { + NL80211_CMD_ROAM, + NL80211_CMD_DISCONNECT, + ++ NL80211_CMD_SET_WIPHY_NETNS, ++ + /* add new commands above here */ + + /* used to define NL80211_CMD_MAX below */ +@@ -475,10 +480,6 @@ enum nl80211_commands { + * @NL80211_ATTR_SCAN_FREQUENCIES: nested attribute with frequencies (in MHz) + * @NL80211_ATTR_SCAN_SSIDS: nested attribute with SSIDs, leave out for passive + * scanning and include a zero-length SSID (wildcard) for wildcard scan +- * @NL80211_ATTR_SCAN_GENERATION: the scan generation increases whenever the +- * scan result list changes (BSS expired or added) so that applications +- * can verify that they got a single, consistent snapshot (when all dump +- * messages carried the same generation number) + * @NL80211_ATTR_BSS: scan result BSS + * + * @NL80211_ATTR_REG_INITIATOR: indicates who requested the regulatory domain +@@ -573,6 +574,16 @@ enum nl80211_commands { + * and join_ibss(), key information is in a nested attribute each + * with %NL80211_KEY_* sub-attributes + * ++ * @NL80211_ATTR_PID: Process ID of a network namespace. ++ * ++ * @NL80211_ATTR_GENERATION: Used to indicate consistent snapshots for ++ * dumps. This number increases whenever the object list being ++ * dumped changes, and as such userspace can verify that it has ++ * obtained a complete and consistent snapshot by verifying that ++ * all dump messages contain the same generation number. If it ++ * changed then the list changed and the dump should be repeated ++ * completely from scratch. ++ * + * @NL80211_ATTR_MAX: highest attribute number currently defined + * @__NL80211_ATTR_AFTER_LAST: internal use + */ +@@ -644,7 +655,7 @@ enum nl80211_attrs { + + NL80211_ATTR_SCAN_FREQUENCIES, + NL80211_ATTR_SCAN_SSIDS, +- NL80211_ATTR_SCAN_GENERATION, ++ NL80211_ATTR_GENERATION, /* replaces old SCAN_GENERATION */ + NL80211_ATTR_BSS, + + NL80211_ATTR_REG_INITIATOR, +@@ -701,12 +712,17 @@ enum nl80211_attrs { + NL80211_ATTR_KEY, + NL80211_ATTR_KEYS, + ++ NL80211_ATTR_PID, ++ + /* add attributes here, update the policy in nl80211.c */ + + __NL80211_ATTR_AFTER_LAST, + NL80211_ATTR_MAX = __NL80211_ATTR_AFTER_LAST - 1 + }; + ++/* source-level API compatibility */ ++#define NL80211_ATTR_SCAN_GENERATION NL80211_ATTR_GENERATION ++ + /* + * Allow user space programs to use #ifdef on new attributes by defining them + * here +--- a/phy.c ++++ b/phy.c +@@ -140,3 +140,27 @@ static int handle_rts(struct nl80211_sta + COMMAND(set, rts, "<rts threshold|off>", + NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_rts, + "Set rts threshold."); ++ ++static int handle_netns(struct nl80211_state *state, ++ struct nl_cb *cb, ++ struct nl_msg *msg, ++ int argc, char **argv) ++{ ++ char *end; ++ ++ if (argc != 1) ++ return 1; ++ ++ NLA_PUT_U32(msg, NL80211_ATTR_PID, ++ strtoul(argv[0], &end, 10)); ++ ++ if (*end != '\0') ++ return 1; ++ ++ return 0; ++ nla_put_failure: ++ return -ENOBUFS; ++} ++COMMAND(set, netns, "<pid>", ++ NL80211_CMD_SET_WIPHY_NETNS, 0, CIB_PHY, handle_netns, ++ "Put this wireless device into a different network namespace"); +--- a/station.c ++++ b/station.c +@@ -127,7 +127,7 @@ static int print_sta_handler(struct nl_m + printf("\n\tmesh plid:\t%d", + nla_get_u16(sinfo[NL80211_STA_INFO_PLID])); + if (sinfo[NL80211_STA_INFO_PLINK_STATE]) { +- switch (nla_get_u16(sinfo[NL80211_STA_INFO_PLINK_STATE])) { ++ switch (nla_get_u8(sinfo[NL80211_STA_INFO_PLINK_STATE])) { + case LISTEN: + strcpy(state_name, "LISTEN"); + break; diff --git a/package/iw/patches/100-4addr.patch b/package/iw/patches/100-4addr.patch new file mode 100644 index 000000000..db6b88010 --- /dev/null +++ b/package/iw/patches/100-4addr.patch @@ -0,0 +1,76 @@ +--- a/interface.c ++++ b/interface.c +@@ -137,6 +137,20 @@ static int get_if_type(int *argc, char * + return 2; + } + ++static int parse_wds_flag(const char *value, struct nl_msg *msg) ++{ ++ if (strcmp(value, "on") == 0) ++ NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, 1); ++ else if (strcmp(value, "off") == 0) ++ NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, 0); ++ else ++ return 1; ++ return 0; ++ ++nla_put_failure: ++ return 1; ++} ++ + static int handle_interface_add(struct nl80211_state *state, + struct nl_cb *cb, + struct nl_msg *msg, +@@ -168,6 +182,15 @@ static int handle_interface_add(struct n + mesh_id = argv[0]; + argc--; + argv++; ++ } else if (strcmp(argv[0], "wds") == 0) { ++ argc--; ++ argv++; ++ if (parse_wds_flag(argv[0], msg)) { ++ fprintf(stderr, "wds error\n"); ++ return 2; ++ } ++ argc--; ++ argv++; + } else if (strcmp(argv[0], "flags") == 0) { + argc--; + argv++; +@@ -192,14 +215,14 @@ static int handle_interface_add(struct n + nla_put_failure: + return -ENOBUFS; + } +-COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [flags <flag>*]", ++COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [wds on|off] [flags <flag>*]", + NL80211_CMD_NEW_INTERFACE, 0, CIB_PHY, handle_interface_add, + "Add a new virtual interface with the given configuration.\n" + IFACE_TYPES "\n\n" + "The flags are only used for monitor interfaces, valid flags are:\n" + VALID_FLAGS "\n\n" + "The mesh_id is used only for mesh mode."); +-COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [flags <flag>*]", ++COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [wds on|off] [flags <flag>*]", + NL80211_CMD_NEW_INTERFACE, 0, CIB_NETDEV, handle_interface_add, NULL); + + static int handle_interface_del(struct nl80211_state *state, +--- a/nl80211.h ++++ b/nl80211.h +@@ -584,6 +584,8 @@ enum nl80211_commands { + * changed then the list changed and the dump should be repeated + * completely from scratch. + * ++ * @NL80211_ATTR_4ADDR: Use 4-address frames on a virtual interface ++ * + * @NL80211_ATTR_MAX: highest attribute number currently defined + * @__NL80211_ATTR_AFTER_LAST: internal use + */ +@@ -714,6 +716,8 @@ enum nl80211_attrs { + + NL80211_ATTR_PID, + ++ NL80211_ATTR_4ADDR, ++ + /* add attributes here, update the policy in nl80211.c */ + + __NL80211_ATTR_AFTER_LAST, diff --git a/package/iw/patches/110-sta_vlan.patch b/package/iw/patches/110-sta_vlan.patch new file mode 100644 index 000000000..913c698bb --- /dev/null +++ b/package/iw/patches/110-sta_vlan.patch @@ -0,0 +1,69 @@ +--- a/station.c ++++ b/station.c +@@ -196,7 +196,7 @@ COMMAND(station, del, "<MAC address>", + NL80211_CMD_DEL_STATION, 0, CIB_NETDEV, handle_station_get, + "Remove the given station entry (use with caution!)"); + +-static int handle_station_set(struct nl80211_state *state, ++static int handle_station_set_plink(struct nl80211_state *state, + struct nl_cb *cb, + struct nl_msg *msg, + int argc, char **argv) +@@ -241,9 +241,56 @@ static int handle_station_set(struct nl8 + return -ENOBUFS; + } + COMMAND(station, set, "<MAC address> plink_action <open|block>", +- NL80211_CMD_SET_STATION, 0, CIB_NETDEV, handle_station_set, ++ NL80211_CMD_SET_STATION, 0, CIB_NETDEV, handle_station_set_plink, + "Set mesh peer link action for this station (peer)."); + ++static int handle_station_set_vlan(struct nl80211_state *state, ++ struct nl_cb *cb, ++ struct nl_msg *msg, ++ int argc, char **argv) ++{ ++ unsigned char mac_addr[ETH_ALEN]; ++ unsigned long sta_vlan = 0; ++ char *err = NULL; ++ ++ if (argc < 3) ++ return 1; ++ ++ if (mac_addr_a2n(mac_addr, argv[0])) { ++ fprintf(stderr, "invalid mac address\n"); ++ return 2; ++ } ++ argc--; ++ argv++; ++ ++ if (strcmp("vlan", argv[0]) != 0) ++ return 1; ++ argc--; ++ argv++; ++ ++ sta_vlan = strtoul(argv[0], &err, 0); ++ if (err && *err) { ++ fprintf(stderr, "invalid vlan id\n"); ++ return 2; ++ } ++ argc--; ++ argv++; ++ ++ if (argc) ++ return 1; ++ ++ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); ++ NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN, sta_vlan); ++ ++ return 0; ++ nla_put_failure: ++ return -ENOBUFS; ++} ++COMMAND(station, set, "<MAC address> vlan <ifindex>", ++ NL80211_CMD_SET_STATION, 0, CIB_NETDEV, handle_station_set_vlan, ++ "Set an AP VLAN for this station."); ++ ++ + static int handle_station_dump(struct nl80211_state *state, + struct nl_cb *cb, + struct nl_msg *msg, diff --git a/package/mac80211/files/lib/wifi/mac80211.sh b/package/mac80211/files/lib/wifi/mac80211.sh index ccd4d2c38..027749e57 100644 --- a/package/mac80211/files/lib/wifi/mac80211.sh +++ b/package/mac80211/files/lib/wifi/mac80211.sh @@ -104,6 +104,7 @@ enable_mac80211() { config_get enc "$vif" encryption config_get mode "$vif" mode config_get ssid "$vif" ssid + config_get_bool wds "$vif" wds 0 # It is far easier to delete and create the desired interface case "$mode" in @@ -123,7 +124,9 @@ enable_mac80211() { iw phy "$phy" interface add "$ifname" type monitor ;; sta) - iw phy "$phy" interface add "$ifname" type managed + local wdsflag + [ "$wds" -gt 0 ] && wdsflag="wds on" + iw phy "$phy" interface add "$ifname" type managed $wdsflag ;; esac diff --git a/package/mac80211/patches/500-nl80211_4addr.patch b/package/mac80211/patches/500-nl80211_4addr.patch new file mode 100644 index 000000000..de3b78fdb --- /dev/null +++ b/package/mac80211/patches/500-nl80211_4addr.patch @@ -0,0 +1,69 @@ +--- a/include/linux/nl80211.h ++++ b/include/linux/nl80211.h +@@ -584,6 +584,8 @@ enum nl80211_commands { + * changed then the list changed and the dump should be repeated + * completely from scratch. + * ++ * @NL80211_ATTR_4ADDR: Use 4-address frames on a virtual interface ++ * + * @NL80211_ATTR_MAX: highest attribute number currently defined + * @__NL80211_ATTR_AFTER_LAST: internal use + */ +@@ -714,6 +716,8 @@ enum nl80211_attrs { + + NL80211_ATTR_PID, + ++ NL80211_ATTR_4ADDR, ++ + /* add attributes here, update the policy in nl80211.c */ + + __NL80211_ATTR_AFTER_LAST, +--- a/include/net/cfg80211.h ++++ b/include/net/cfg80211.h +@@ -207,10 +207,12 @@ struct ieee80211_supported_band { + * struct vif_params - describes virtual interface parameters + * @mesh_id: mesh ID to use + * @mesh_id_len: length of the mesh ID ++ * @use_4addr: use 4-address frames + */ + struct vif_params { + u8 *mesh_id; + int mesh_id_len; ++ int use_4addr; + }; + + /** +--- a/net/wireless/nl80211.c ++++ b/net/wireless/nl80211.c +@@ -140,6 +140,7 @@ static struct nla_policy nl80211_policy[ + [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, + [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, + [NL80211_ATTR_PID] = { .type = NLA_U32 }, ++ [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, + }; + + /* policy for the attributes */ +@@ -989,6 +990,13 @@ static int nl80211_set_interface(struct + change = true; + } + ++ if (info->attrs[NL80211_ATTR_4ADDR]) { ++ params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); ++ change = true; ++ } else { ++ params.use_4addr = -1; ++ } ++ + if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { + if (ntype != NL80211_IFTYPE_MONITOR) { + err = -EINVAL; +@@ -1055,6 +1063,9 @@ static int nl80211_new_interface(struct + params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); + } + ++ if (info->attrs[NL80211_ATTR_4ADDR]) ++ params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); ++ + err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? + info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, + &flags); diff --git a/package/mac80211/patches/510-mac80211_4addr_vlan.patch b/package/mac80211/patches/510-mac80211_4addr_vlan.patch new file mode 100644 index 000000000..ac92fe54b --- /dev/null +++ b/package/mac80211/patches/510-mac80211_4addr_vlan.patch @@ -0,0 +1,260 @@ +--- 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); + } +@@ -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 = |