From 4fa998189d49b137ca25b8d1aca136bed021e6bd Mon Sep 17 00:00:00 2001 From: nbd Date: Wed, 11 Nov 2009 05:15:51 +0000 Subject: [PATCH] hostapd: implement wds ap support git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18364 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- package/hostapd/files/hostapd.sh | 5 +- package/hostapd/patches/130-wds_ap.patch | 247 +++++++++++++++++++++++ 2 files changed, 251 insertions(+), 1 deletion(-) create mode 100644 package/hostapd/patches/130-wds_ap.patch diff --git a/package/hostapd/files/hostapd.sh b/package/hostapd/files/hostapd.sh index 2210a46af..4a13c19ab 100644 --- a/package/hostapd/files/hostapd.sh +++ b/package/hostapd/files/hostapd.sh @@ -77,7 +77,9 @@ hostapd_setup_vif() { config_get channel "$device" channel config_get hwmode "$device" hwmode config_get wpa_group_rekey "$vif" wpa_group_rekey - config_get ieee80211d "$vif" ieee80211d + config_get ieee80211d "$vif" ieee80211d + config_get_bool wds "$vif" wds 0 + [ "$wds" -gt 0 -a "$driver" = "nl80211" ] && wds="wds_sta=1" || wds="" case "$hwmode" in bg) hwmode=g;; esac @@ -109,6 +111,7 @@ ${hwmode_11n:+ieee80211n=1} ${ht_capab:+ht_capab=$ht_capab} ${wpa_group_rekey:+wpa_group_rekey=$wpa_group_rekey} ${ieee80211d:+ieee80211d=$ieee80211d} +$wds $hostapd_cfg EOF case "$driver" in diff --git a/package/hostapd/patches/130-wds_ap.patch b/package/hostapd/patches/130-wds_ap.patch new file mode 100644 index 000000000..019257599 --- /dev/null +++ b/package/hostapd/patches/130-wds_ap.patch @@ -0,0 +1,247 @@ +--- a/hostapd/config.c ++++ b/hostapd/config.c +@@ -1526,6 +1526,8 @@ struct hostapd_config * hostapd_config_r + line, pos); + errors++; + } ++ } else if (os_strcmp(buf, "wds_sta") == 0) { ++ bss->wds_sta = atoi(pos); + } else if (os_strcmp(buf, "ap_max_inactivity") == 0) { + bss->ap_max_inactivity = atoi(pos); + } else if (os_strcmp(buf, "country_code") == 0) { +--- a/hostapd/config.h ++++ b/hostapd/config.h +@@ -198,6 +198,7 @@ struct hostapd_bss_config { + int num_accept_mac; + struct mac_acl_entry *deny_mac; + int num_deny_mac; ++ int wds_sta; + + int auth_algs; /* bitfield of allowed IEEE 802.11 authentication + * algorithms, WPA_AUTH_ALG_{OPEN,SHARED,LEAP} */ +--- a/src/drivers/driver.h ++++ b/src/drivers/driver.h +@@ -1305,6 +1305,7 @@ struct wpa_driver_ops { + const char *ifname, const u8 *addr); + int (*set_sta_vlan)(void *priv, const u8 *addr, const char *ifname, + int vlan_id); ++ int (*set_wds_sta)(void *priv, const u8 *addr, int aid, int val); + /** + * commit - Optional commit changes handler + * @priv: driver private data +--- a/src/drivers/driver_nl80211.c ++++ b/src/drivers/driver_nl80211.c +@@ -2755,7 +2755,7 @@ static void nl80211_remove_iface(struct + static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv, + const char *ifname, + enum nl80211_iftype iftype, +- const u8 *addr) ++ const u8 *addr, int wds) + { + struct nl_msg *msg, *flags = NULL; + int ifidx; +@@ -2786,6 +2786,8 @@ static int nl80211_create_iface_once(str + + if (err) + goto nla_put_failure; ++ } else if (wds) { ++ NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, wds); + } + + ret = send_and_recv_msgs(drv, msg, NULL, NULL); +@@ -2816,11 +2818,11 @@ static int nl80211_create_iface_once(str + } + static int nl80211_create_iface(struct wpa_driver_nl80211_data *drv, + const char *ifname, enum nl80211_iftype iftype, +- const u8 *addr) ++ const u8 *addr, int wds) + { + int ret; + +- ret = nl80211_create_iface_once(drv, ifname, iftype, addr); ++ ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds); + + /* if error occured and interface exists already */ + if (ret == -ENFILE && if_nametoindex(ifname)) { +@@ -2830,7 +2832,7 @@ static int nl80211_create_iface(struct w + nl80211_remove_iface(drv, if_nametoindex(ifname)); + + /* Try to create the interface again */ +- ret = nl80211_create_iface_once(drv, ifname, iftype, addr); ++ ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds); + } + + return ret; +@@ -3055,7 +3057,7 @@ static struct sock_filter msock_filter_i + + #if 0 + /* +- * drop non-data frames, WDS frames ++ * drop non-data frames + */ + /* load the lower byte of the frame control field */ + BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0), +@@ -3063,13 +3065,13 @@ static struct sock_filter msock_filter_i + BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0c), + /* drop non-data frames */ + BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 8, 0, FAIL), ++#endif + /* load the upper byte of the frame control field */ +- BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0), ++ BPF_STMT(BPF_LD | BPF_B | BPF_IND, 1), + /* mask off toDS/fromDS */ + BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x03), +- /* drop WDS frames */ +- BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 3, FAIL, 0), +-#endif ++ /* accept WDS frames */ ++ BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 3, PASS, 0), + + /* + * add header length to index +@@ -3175,7 +3177,7 @@ nl80211_create_monitor_interface(struct + buf[IFNAMSIZ - 1] = '\0'; + + drv->monitor_ifidx = +- nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR, NULL); ++ nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR, NULL, 0); + + if (drv->monitor_ifidx < 0) + return -1; +@@ -4155,7 +4157,7 @@ static int i802_bss_add(void *priv, cons + if (bss == NULL) + return -1; + +- ifidx = nl80211_create_iface(priv, ifname, NL80211_IFTYPE_AP, bssid); ++ ifidx = nl80211_create_iface(priv, ifname, NL80211_IFTYPE_AP, bssid, 0); + if (ifidx < 0) { + os_free(bss); + return -1; +@@ -4264,7 +4266,7 @@ static int i802_if_add(const char *iface + enum hostapd_driver_if_type type, char *ifname, + const u8 *addr) + { +- if (nl80211_create_iface(priv, ifname, i802_if_type(type), addr) < 0) ++ if (nl80211_create_iface(priv, ifname, i802_if_type(type), addr, 0) < 0) + return -1; + return 0; + } +@@ -4310,6 +4312,21 @@ static int i802_set_sta_vlan(void *priv, + return -ENOBUFS; + } + ++static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val) ++{ ++ struct wpa_driver_nl80211_data *drv = priv; ++ char name[16]; ++ ++ sprintf(name, "%s.sta%d", drv->ifname, aid); ++ if (val) { ++ if (nl80211_create_iface(priv, name, NL80211_IFTYPE_AP_VLAN, NULL, 1) < 0) ++ return -1; ++ return i802_set_sta_vlan(priv, addr, name, 0); ++ } else { ++ i802_set_sta_vlan(priv, addr, drv->ifname, 0); ++ return i802_if_remove(priv, HOSTAPD_IF_VLAN, name, NULL); ++ } ++} + + static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx) + { +@@ -4536,5 +4553,6 @@ const struct wpa_driver_ops wpa_driver_n + .if_update = i802_if_update, + .if_remove = i802_if_remove, + .set_sta_vlan = i802_set_sta_vlan, ++ .set_wds_sta = i802_set_wds_sta, + #endif /* HOSTAPD */ + }; +--- a/hostapd/driver_i.h ++++ b/hostapd/driver_i.h +@@ -453,6 +453,14 @@ hostapd_set_sta_vlan(const char *ifname, + } + + static inline int ++hostapd_set_wds_sta(struct hostapd_data *hapd, const u8 *addr, int aid, int val) ++{ ++ if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL) ++ return 0; ++ return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val); ++} ++ ++static inline int + hostapd_driver_commit(struct hostapd_data *hapd) + { + if (hapd->driver == NULL || hapd->driver->commit == NULL) +--- a/hostapd/drv_callbacks.c ++++ b/hostapd/drv_callbacks.c +@@ -167,6 +167,7 @@ static const u8 * get_hdr_bssid(const st + if (len < 24) + return NULL; + switch (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) { ++ case WLAN_FC_FROMDS|WLAN_FC_TODS: + case WLAN_FC_TODS: + return hdr->addr1; + case WLAN_FC_FROMDS: +@@ -213,6 +214,7 @@ void hostapd_rx_from_unknown_sta(struct + { + struct sta_info *sta; + const u8 *addr; ++ u16 fc = le_to_host16(hdr->frame_control); + + hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len)); + if (hapd == NULL || hapd == HAPD_BROADCAST) +@@ -231,6 +233,14 @@ void hostapd_rx_from_unknown_sta(struct + hostapd_sta_deauth( + hapd, addr, + WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA); ++ } else { ++ if (!sta->wds_sta) { ++ if ((fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) == ++ (WLAN_FC_TODS | WLAN_FC_FROMDS)) { ++ sta->wds_sta = 1; ++ hostapd_set_wds_sta(hapd, addr, sta->aid, 1); ++ } ++ } + } + } + +--- a/hostapd/sta_info.c ++++ b/hostapd/sta_info.c +@@ -120,6 +120,7 @@ void ap_free_sta(struct hostapd_data *ha + + accounting_sta_stop(hapd, sta); + ++ hostapd_set_wds_sta(hapd, sta->addr, sta->aid, 0); + if (!ap_sta_in_other_bss(hapd, sta, WLAN_STA_ASSOC) && + !(sta->flags & WLAN_STA_PREAUTH)) + hostapd_sta_remove(hapd, sta->addr); +--- a/hostapd/sta_info.h ++++ b/hostapd/sta_info.h +@@ -78,6 +78,7 @@ struct sta_info { + struct hostapd_ssid *ssid_probe; /* SSID selection based on ProbeReq */ + + int vlan_id; ++ int wds_sta; + + #ifdef CONFIG_IEEE80211N + struct ht_cap_ie ht_capabilities; /* IEEE 802.11n capabilities */ +--- a/src/common/nl80211_copy.h ++++ b/src/common/nl80211_copy.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, -- 2.20.1