hostapd/mac80211: implement support for AP+STA
authorFelix Fietkau <nbd@openwrt.org>
Sat, 23 Oct 2010 23:39:54 +0000 (23:39 +0000)
committerFelix Fietkau <nbd@openwrt.org>
Sat, 23 Oct 2010 23:39:54 +0000 (23:39 +0000)
SVN-Revision: 23602

package/hostapd/Makefile
package/hostapd/files/wpa_supplicant.sh
package/hostapd/patches/450-reload_settings.patch [new file with mode: 0644]
package/hostapd/patches/451-nl80211_del_beacon_bss.patch [new file with mode: 0644]
package/hostapd/patches/452-ctrl_iface_reload.patch [new file with mode: 0644]
package/hostapd/patches/453-ap_sta_support.patch [new file with mode: 0644]
package/mac80211/files/lib/wifi/mac80211.sh

index 5bcaba9..172e89b 100644 (file)
@@ -239,7 +239,7 @@ endef
 define Build/Compile/wpad
        echo ` \
                $(call Build/RunMake,hostapd,-s MULTICALL=1 dump_cflags); \
-               $(call Build/RunMake,wpa_supplicant,-s dump_cflags) | \
+               $(call Build/RunMake,wpa_supplicant,-s MULTICALL=1 dump_cflags) | \
                sed -e 's,-n ,,g' -e 's,$(TARGET_CFLAGS),,' \
        ` > $(PKG_BUILD_DIR)/.cflags
        $(call Build/RunMake,hostapd, \
index 28d5d20..515fa6c 100644 (file)
@@ -2,6 +2,7 @@ wpa_supplicant_setup_vif() {
        local vif="$1"
        local driver="$2"
        local key="$key"
+       local options="$3"
 
        # wpa_supplicant should use wext for mac80211 cards
        [ "$driver" = "mac80211" ] && driver='wext'
@@ -133,5 +134,5 @@ network={
 }
 EOF
        [ -z "$proto" -a "$key_mgmt" != "NONE" ] || \
-               wpa_supplicant ${bridge:+ -b $bridge} -B -P "/var/run/wifi-${ifname}.pid" -D ${driver:-wext} -i "$ifname" -c /var/run/wpa_supplicant-$ifname.conf
+               wpa_supplicant ${bridge:+ -b $bridge} -B -P "/var/run/wifi-${ifname}.pid" -D ${driver:-wext} -i "$ifname" -c /var/run/wpa_supplicant-$ifname.conf $options
 }
diff --git a/package/hostapd/patches/450-reload_settings.patch b/package/hostapd/patches/450-reload_settings.patch
new file mode 100644 (file)
index 0000000..5f22612
--- /dev/null
@@ -0,0 +1,13 @@
+--- a/src/ap/hostapd.c
++++ b/src/ap/hostapd.c
+@@ -112,6 +112,10 @@ int hostapd_reload_config(struct hostapd
+       oldconf = hapd->iconf;
+       iface->conf = newconf;
++      iface->freq = hostapd_hw_get_freq(hapd, hapd->iconf->channel);
++      if (iface->current_mode)
++              hostapd_prepare_rates(hapd, iface->current_mode);
++
+       for (j = 0; j < iface->num_bss; j++) {
+               hapd = iface->bss[j];
+               hapd->iconf = newconf;
diff --git a/package/hostapd/patches/451-nl80211_del_beacon_bss.patch b/package/hostapd/patches/451-nl80211_del_beacon_bss.patch
new file mode 100644 (file)
index 0000000..b23acc6
--- /dev/null
@@ -0,0 +1,63 @@
+--- a/src/drivers/driver_nl80211.c
++++ b/src/drivers/driver_nl80211.c
+@@ -1604,23 +1604,41 @@ wpa_driver_nl80211_finish_drv_init(struc
+ }
+-static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
++static int wpa_driver_nl80211_del_bss_beacon(struct i802_bss *bss)
+ {
++      struct wpa_driver_nl80211_data *drv = bss->drv;
+       struct nl_msg *msg;
++      bss->beacon_set = 0;
++
+       msg = nlmsg_alloc();
+       if (!msg)
+               return -ENOMEM;
+       genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+                   0, NL80211_CMD_DEL_BEACON, 0);
+-      NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
++      NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
+       return send_and_recv_msgs(drv, msg, NULL, NULL);
+  nla_put_failure:
++      nlmsg_free(msg);
+       return -ENOBUFS;
+ }
++static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
++{
++      struct i802_bss *bss;
++
++      for (bss = &drv->first_bss; bss; bss = bss->next)
++              wpa_driver_nl80211_del_bss_beacon(bss);
++}
++
++static int wpa_driver_nl80211_stop_ap(void *priv)
++{
++      struct i802_bss *bss = priv;
++
++      wpa_driver_nl80211_del_beacon(bss->drv);
++}
+ /**
+  * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
+@@ -5512,4 +5530,5 @@ const struct wpa_driver_ops wpa_driver_n
+       .send_ft_action = nl80211_send_ft_action,
+       .signal_monitor = nl80211_signal_monitor,
+       .send_frame = nl80211_send_frame,
++      .stop_ap = wpa_driver_nl80211_stop_ap,
+ };
+--- a/src/drivers/driver.h
++++ b/src/drivers/driver.h
+@@ -1774,6 +1774,8 @@ struct wpa_driver_ops {
+        */
+       int (*send_frame)(void *priv, const u8 *data, size_t data_len,
+                         int encrypt);
++
++      int (*stop_ap)(void *priv);
+ };
diff --git a/package/hostapd/patches/452-ctrl_iface_reload.patch b/package/hostapd/patches/452-ctrl_iface_reload.patch
new file mode 100644 (file)
index 0000000..e07ab6d
--- /dev/null
@@ -0,0 +1,96 @@
+--- a/hostapd/ctrl_iface.c
++++ b/hostapd/ctrl_iface.c
+@@ -35,6 +35,7 @@
+ #include "ap/wps_hostapd.h"
+ #include "ap/ctrl_iface_ap.h"
+ #include "ctrl_iface.h"
++#include "config_file.h"
+ struct wpa_ctrl_dst {
+@@ -45,6 +46,7 @@ struct wpa_ctrl_dst {
+       int errors;
+ };
++static char *reload_opts = NULL;
+ static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
+                                   const char *buf, size_t len);
+@@ -315,6 +317,66 @@ static int hostapd_ctrl_iface_wps_oob(st
+ #endif /* CONFIG_WPS_OOB */
+ #endif /* CONFIG_WPS */
++static int hostapd_ctrl_iface_set_down(struct hostapd_data *hapd)
++{
++      if (hapd->driver->stop_ap)
++              hapd->driver->stop_ap(hapd->drv_priv);
++      return 0;
++}
++
++static char *get_option(char *opt, char *str)
++{
++      int len = strlen(str);
++
++      if (!strncmp(opt, str, len))
++              return opt + len;
++      else
++              return NULL;
++}
++
++static struct hostapd_config *hostapd_ctrl_iface_config_read(const char *fname)
++{
++      struct hostapd_config *conf;
++      char *opt, *val;
++
++      conf = hostapd_config_read(fname);
++      if (!conf)
++              return NULL;
++
++      for (opt = strtok(reload_opts, " ");
++           opt;
++               opt = strtok(NULL, " ")) {
++
++              if ((val = get_option(opt, "channel=")))
++                      conf->channel = atoi(val);
++              else if ((val = get_option(opt, "ht_capab=")))
++                      conf->ht_capab = atoi(val);
++              else if ((val = get_option(opt, "ht_capab_mask=")))
++                      conf->ht_capab &= atoi(val);
++              else if ((val = get_option(opt, "sec_chan=")))
++                      conf->secondary_channel = atoi(val);
++              else if ((val = get_option(opt, "hwmode=")))
++                      conf->hw_mode = atoi(val);
++              else if ((val = get_option(opt, "ieee80211n=")))
++                      conf->ieee80211n = atoi(val);
++              else
++                      break;
++      }
++
++      return conf;
++}
++
++static int hostapd_ctrl_iface_reload(struct hostapd_data *hapd, char *txt)
++{
++      struct hostapd_iface *iface = hapd->iface;
++
++      iface->config_read_cb = hostapd_ctrl_iface_config_read;
++      reload_opts = txt;
++
++      hostapd_reload_config(iface);
++
++      iface->config_read_cb = hostapd_config_read;
++}
+ static void hostapd_ctrl_iface_receive(int sock, void *eloop_ctx,
+                                      void *sock_ctx)
+@@ -379,6 +441,10 @@ static void hostapd_ctrl_iface_receive(i
+                               reply_len += res;
+               }
+ #endif /* CONFIG_NO_RADIUS */
++      } else if (os_strcmp(buf, "DOWN") == 0) {
++              hostapd_ctrl_iface_set_down(hapd);
++      } else if (os_strncmp(buf, "RELOAD ", 7) == 0) {
++              hostapd_ctrl_iface_reload(hapd, buf + 7);
+       } else if (os_strcmp(buf, "STA-FIRST") == 0) {
+               reply_len = hostapd_ctrl_iface_sta_first(hapd, reply,
+                                                        reply_size);
diff --git a/package/hostapd/patches/453-ap_sta_support.patch b/package/hostapd/patches/453-ap_sta_support.patch
new file mode 100644 (file)
index 0000000..02b09bf
--- /dev/null
@@ -0,0 +1,208 @@
+--- a/wpa_supplicant/wpa_supplicant_i.h
++++ b/wpa_supplicant/wpa_supplicant_i.h
+@@ -98,6 +98,8 @@ struct wpa_interface {
+        * receiving of EAPOL frames from an additional interface.
+        */
+       const char *bridge_ifname;
++
++      const char *hostapd_ctrl;
+ };
+ /**
+@@ -316,6 +318,8 @@ struct wpa_supplicant {
+ #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
+       char bridge_ifname[16];
++      struct wpa_ctrl *hostapd;
++
+       char *confname;
+       struct wpa_config *conf;
+       int countermeasures;
+--- a/wpa_supplicant/Makefile
++++ b/wpa_supplicant/Makefile
+@@ -51,6 +51,11 @@ OBJS_p += ../src/utils/wpa_debug.o
+ OBJS_p += ../src/utils/wpabuf.o
+ OBJS_c = wpa_cli.o ../src/common/wpa_ctrl.o
++ifdef MULTICALL
++OBJS += ../src/common/wpa_ctrl.o
++CFLAGS += -DMULTICALL
++endif
++
+ -include .config
+ -include $(if $(MULTICALL),../hostapd/.config)
+--- a/wpa_supplicant/wpa_supplicant.c
++++ b/wpa_supplicant/wpa_supplicant.c
+@@ -120,6 +120,58 @@ extern int wpa_debug_show_keys;
+ extern int wpa_debug_timestamp;
+ extern struct wpa_driver_ops *wpa_drivers[];
++#ifdef MULTICALL
++static int hostapd_stop(struct wpa_supplicant *wpa_s)
++{
++      const char *cmd = "DOWN";
++      char buf[256];
++      int len = sizeof(buf);
++
++      if (wpa_ctrl_request(wpa_s->hostapd, cmd, os_strlen(cmd), buf, &len, NULL) < 0) {
++              wpa_printf(MSG_ERROR, "\nFailed to stop hostapd AP interfaces\n");
++              return -1;
++      }
++      return 0;
++}
++
++static int hostapd_reload(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
++{
++      char *cmd = NULL;
++      char buf[256];
++      int len = sizeof(buf);
++      int channel, hw_mode;
++      int ret;
++
++      if (!bss)
++              return;
++
++      if (bss->freq < 4000) {
++              hw_mode = HOSTAPD_MODE_IEEE80211G;
++              channel = (bss->freq - 2407) / 5;
++      } else {
++              hw_mode = HOSTAPD_MODE_IEEE80211A;
++              channel = (bss->freq - 5000) / 5;
++      }
++
++      if (asprintf(&cmd, "RELOAD channel=%d sec_chan=0 hw_mode=%d ht_capab_mask=%d ieee80211n=%d",
++                   channel, hw_mode, bss->ht_capab, !!bss->ht_capab) < 0) {
++              fprintf(stderr, "ASPRINTF FAILED\n");
++              exit(1);
++              return -1;
++      }
++
++      wpa_printf(MSG_ERROR, "\n\n-------- RUN COMMAND: %s\n\n", cmd);
++      ret = wpa_ctrl_request(wpa_s->hostapd, cmd, os_strlen(cmd), buf, &len, NULL);
++      free(cmd);
++
++      if (ret < 0) {
++              wpa_printf(MSG_ERROR, "\nFailed to reload hostapd AP interfaces\n");
++              return -1;
++      }
++      return 0;
++}
++#endif
++
+ /* Configure default/group WEP keys for static WEP */
+ int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
+ {
+@@ -548,6 +600,10 @@ void wpa_supplicant_set_state(struct wpa
+ #ifndef IEEE8021X_EAPOL
+               wpa_drv_set_supp_port(wpa_s, 1);
+ #endif
++#ifdef MULTICALL
++              if (wpa_s->hostapd)
++                      hostapd_reload(wpa_s, wpa_s->current_bss);
++#endif
+       } else if (state == WPA_DISCONNECTED || state == WPA_ASSOCIATING ||
+                  state == WPA_ASSOCIATED) {
+               wpa_s->new_connection = 1;
+@@ -1957,6 +2013,21 @@ static int wpa_supplicant_init_iface(str
+               os_strlcpy(wpa_s->bridge_ifname, iface->bridge_ifname,
+                          sizeof(wpa_s->bridge_ifname));
+       }
++#ifdef MULTICALL
++      if (iface->hostapd_ctrl) {
++              char *cmd = "DOWN";
++              char buf[256];
++              int len = sizeof(buf);
++
++              wpa_s->hostapd = wpa_ctrl_open(iface->hostapd_ctrl);
++              if (!wpa_s->hostapd) {
++                      wpa_printf(MSG_ERROR, "\nFailed to connect to hostapd\n");
++                      return -1;
++              }
++              if (hostapd_stop(wpa_s) < 0)
++                      return -1;
++      }
++#endif
+       /* RSNA Supplicant Key Management - INITIALIZE */
+       eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
+--- a/wpa_supplicant/bss.c
++++ b/wpa_supplicant/bss.c
+@@ -17,6 +17,7 @@
+ #include "utils/common.h"
+ #include "utils/eloop.h"
+ #include "common/ieee802_11_defs.h"
++#include "common/ieee802_11_common.h"
+ #include "drivers/driver.h"
+ #include "wpa_supplicant_i.h"
+ #include "config.h"
+@@ -89,6 +90,8 @@ struct wpa_bss * wpa_bss_get(struct wpa_
+ static void wpa_bss_copy_res(struct wpa_bss *dst, struct wpa_scan_res *src)
+ {
++      struct ieee80211_ht_capabilities *capab;
++      struct ieee802_11_elems elems;
+       os_time_t usec;
+       dst->flags = src->flags;
+@@ -101,6 +104,12 @@ static void wpa_bss_copy_res(struct wpa_
+       dst->level = src->level;
+       dst->tsf = src->tsf;
++      memset(&elems, 0, sizeof(elems));
++      ieee802_11_parse_elems((u8 *) (src + 1), src->ie_len, &elems, 0);
++      capab = (struct ieee80211_ht_capabilities *) elems.ht_capabilities;
++      if (capab)
++              dst->ht_capab = le_to_host16(capab->ht_capabilities_info);
++
+       os_get_time(&dst->last_update);
+       dst->last_update.sec -= src->age / 1000;
+       usec = (src->age % 1000) * 1000;
+--- a/wpa_supplicant/bss.h
++++ b/wpa_supplicant/bss.h
+@@ -56,6 +56,7 @@ struct wpa_bss {
+       unsigned int flags;
+       u8 bssid[ETH_ALEN];
+       u8 ssid[32];
++      u16 ht_capab;
+       size_t ssid_len;
+       int freq;
+       u16 beacon_int;
+--- a/wpa_supplicant/main.c
++++ b/wpa_supplicant/main.c
+@@ -31,7 +31,7 @@ static void usage(void)
+              "usage:\n"
+              "  wpa_supplicant [-BddhKLqqstuvW] [-P<pid file>] "
+              "[-g<global ctrl>] \\\n"
+-             "        -i<ifname> -c<config file> [-C<ctrl>] [-D<driver>] "
++             "        -i<ifname> -c<config file> [-C<ctrl>] [-D<driver>] [-H<hostapd path>]"
+              "[-p<driver_param>] \\\n"
+              "        [-b<br_ifname>] [-f<debug file>] \\\n"
+              "        [-o<override driver>] [-O<override ctrl>] \\\n"
+@@ -67,6 +67,7 @@ static void usage(void)
+ #endif /* CONFIG_DEBUG_SYSLOG */
+       printf("  -t = include timestamp in debug messages\n"
+              "  -h = show this help text\n"
++                 "  -H = connect to a hostapd instance to manage state changes\n"
+              "  -L = show license (GPL and BSD)\n"
+              "  -o = override driver parameter for new interfaces\n"
+              "  -O = override ctrl_interface parameter for new interfaces\n"
+@@ -143,7 +144,7 @@ int main(int argc, char *argv[])
+       wpa_supplicant_fd_workaround();
+       for (;;) {
+-              c = getopt(argc, argv, "b:Bc:C:D:df:g:hi:KLNo:O:p:P:qstuvW");
++              c = getopt(argc, argv, "b:Bc:C:D:df:g:hH:i:KLNo:O:p:P:qstuvW");
+               if (c < 0)
+                       break;
+               switch (c) {
+@@ -184,6 +185,9 @@ int main(int argc, char *argv[])
+                       usage();
+                       exitcode = 0;
+                       goto out;
++              case 'H':
++                      iface->hostapd_ctrl = optarg;
++                      break;
+               case 'i':
+                       iface->ifname = optarg;
+                       break;
index a00cdee..6788423 100644 (file)
@@ -222,6 +222,7 @@ enable_mac80211() {
        local macidx=0
        local apidx=0
        fixed=""
+       local hostapd_ctrl=""
 
        [ -n "$country" ] && iw reg set "$country"
        [ "$channel" = "auto" -o "$channel" = "0" ] || {
@@ -344,6 +345,7 @@ enable_mac80211() {
                        config_get mode "$vif" mode
                        config_get ifname "$vif" ifname
                        [ "$mode" = "ap" ] || continue
+                       hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd-$phy/$ifname}"
                        mac80211_start_vif "$vif" "$ifname"
                done
        }
@@ -364,7 +366,7 @@ enable_mac80211() {
                                ;;
                                sta)
                                        if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
-                                               wpa_supplicant_setup_vif "$vif" nl80211 || {
+                                               wpa_supplicant_setup_vif "$vif" nl80211 "${hostapd_ctrl:+-H $hostapd_ctrl}" || {
                                                        echo "enable_mac80211($device): Failed to set up wpa_supplicant for interface $ifname" >&2
                                                        # make sure this wifi interface won't accidentally stay open without encryption
                                                        ifconfig "$ifname" down