#include "includes.h"
#include <sys/ioctl.h>
#include <net/if_arp.h>
+#include <net/if.h>
#include <netlink/genl/genl.h>
#include <netlink/genl/family.h>
#include <netlink/genl/ctrl.h>
#include "nl80211_copy.h"
+#ifndef NO_WEXT
#include "wireless_copy.h"
+#endif /* NO_WEXT */
#include "common.h"
#include "driver.h"
#include <linux/filter.h>
#include "radiotap.h"
#include "radiotap_iter.h"
-#endif /* CONFIG_AP || HOSTAPD */
-
-#ifdef CONFIG_AP
-
-#include "../hostapd/hostapd_defs.h"
-#ifndef ETH_P_ALL
-#define ETH_P_ALL 0x0003
-#endif
-
-#endif /* CONFIG_AP */
+#include "../../hostapd/hostapd_defs.h"
+#include "../../hostapd/sta_flags.h"
+#endif /* CONFIG_AP || HOSTAPD */
#ifdef HOSTAPD
-#include "../../hostapd/hostapd.h"
-#include "../../hostapd/sta_flags.h"
#include "ieee802_11_common.h"
#ifdef CONFIG_LIBNL20
#define IF_OPER_UP 6
#endif
-enum ieee80211_msg_type {
- ieee80211_msg_normal = 0,
- ieee80211_msg_tx_callback_ack = 1,
- ieee80211_msg_tx_callback_fail = 2,
-};
-
struct i802_bss {
struct i802_bss *next;
int ifindex;
int associated;
u8 ssid[32];
size_t ssid_len;
+ int nlmode;
+ int ap_scan_as_station;
-#if defined(CONFIG_AP) || defined(HOSTAPD)
int beacon_int;
int monitor_sock;
int monitor_ifidx;
-#endif /* CONFIG_AP || HOSTAPD */
#ifdef CONFIG_AP
unsigned int beacon_set:1;
#endif /* CONFIG_AP */
#ifdef HOSTAPD
- struct hostapd_data *hapd;
-
int eapol_sock; /* socket for EAPOL frames */
int default_if_indices[16];
int num_if_indices;
struct i802_bss bss;
- unsigned int ht_40mhz_scan:1;
int last_freq;
int last_freq_ht;
- struct hostapd_neighbor_bss *neighbors;
- size_t num_neighbors;
#endif /* HOSTAPD */
};
static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx,
void *timeout_ctx);
-static int wpa_driver_nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
- int mode);
+static int wpa_driver_nl80211_set_mode(void *priv, int mode);
static int
wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv);
+#if defined(CONFIG_AP) || defined(HOSTAPD)
+static void nl80211_remove_monitor_interface(
+ struct wpa_driver_nl80211_data *drv);
+#endif /* CONFIG_AP || HOSTAPD */
+
#ifdef CONFIG_AP
static void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv,
int ifidx);
static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
static struct i802_bss * get_bss(struct wpa_driver_nl80211_data *drv,
int ifindex);
+static void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv,
+ int ifidx);
+static int i802_set_freq(void *priv, struct hostapd_freq_params *freq);
#endif /* HOSTAPD */
}
+#ifdef HOSTAPD
+static int get_ifhwaddr(struct wpa_driver_nl80211_data *drv,
+ const char *ifname, u8 *addr)
+{
+ struct ifreq ifr;
+
+ os_memset(&ifr, 0, sizeof(ifr));
+ os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
+ if (ioctl(drv->ioctl_sock, SIOCGIFHWADDR, &ifr)) {
+ wpa_printf(MSG_ERROR, "%s: ioctl(SIOCGIFHWADDR): %d (%s)",
+ ifname, errno, strerror(errno));
+ return -1;
+ }
+
+ if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) {
+ wpa_printf(MSG_ERROR, "%s: Invalid HW-addr family 0x%04x",
+ ifname, ifr.ifr_hwaddr.sa_family);
+ return -1;
+ }
+ os_memcpy(addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
+
+ return 0;
+}
+
+
+static int set_ifhwaddr(struct wpa_driver_nl80211_data *drv,
+ const char *ifname, const u8 *addr)
+{
+ struct ifreq ifr;
+
+ os_memset(&ifr, 0, sizeof(ifr));
+ os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
+ os_memcpy(ifr.ifr_hwaddr.sa_data, addr, ETH_ALEN);
+ ifr.ifr_hwaddr.sa_family = ARPHRD_ETHER;
+
+ if (ioctl(drv->ioctl_sock, SIOCSIFHWADDR, &ifr)) {
+ wpa_printf(MSG_DEBUG, "%s: ioctl(SIOCSIFHWADDR): %d (%s)",
+ ifname, errno, strerror(errno));
+ return -1;
+ }
+
+ return 0;
+}
+#endif /* HOSTAPD */
+
+
+#ifndef HOSTAPD
+
static int wpa_driver_nl80211_send_oper_ifla(
struct wpa_driver_nl80211_data *drv,
int linkmode, int operstate)
}
+#ifndef NO_WEXT
static int wpa_driver_nl80211_set_auth_param(
struct wpa_driver_nl80211_data *drv, int idx, u32 value)
{
return ret;
}
+#endif /* NO_WEXT */
static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
}
-#ifndef HOSTAPD
static void wpa_driver_nl80211_event_link(struct wpa_driver_nl80211_data *drv,
void *ctx, char *buf, size_t len,
int del)
static void mlme_event_michael_mic_failure(struct wpa_driver_nl80211_data *drv,
struct nlattr *tb[])
{
-#ifdef HOSTAPD
- if (tb[NL80211_ATTR_MAC])
- hostapd_michael_mic_failure(drv->hapd,
- nla_data(tb[NL80211_ATTR_MAC]));
-#else /* HOSTAPD */
union wpa_event_data data;
wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure");
wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address",
nla_data(tb[NL80211_ATTR_MAC]),
nla_len(tb[NL80211_ATTR_MAC]));
+ data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]);
}
if (tb[NL80211_ATTR_KEY_SEQ]) {
wpa_hexdump(MSG_DEBUG, "nl80211: TSC",
}
wpa_supplicant_event(drv->ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
-#endif /* HOSTAPD */
}
}
}
+ if (drv->ap_scan_as_station &&
+ (gnlh->cmd == NL80211_CMD_NEW_SCAN_RESULTS ||
+ gnlh->cmd == NL80211_CMD_SCAN_ABORTED)) {
+ wpa_driver_nl80211_set_mode(drv, IEEE80211_MODE_AP);
+ drv->ap_scan_as_station = 0;
+ }
+
switch (gnlh->cmd) {
-#ifndef HOSTAPD
case NL80211_CMD_NEW_SCAN_RESULTS:
wpa_printf(MSG_DEBUG, "nl80211: New scan results available");
drv->scan_complete_events = 1;
drv->ctx);
wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, NULL);
break;
+#ifndef HOSTAPD
case NL80211_CMD_AUTHENTICATE:
case NL80211_CMD_ASSOCIATE:
case NL80211_CMD_DEAUTHENTICATE:
}
+#ifndef HOSTAPD
struct wiphy_info_data {
int max_scan_ssids;
int ap_supported;
if (info.ap_supported)
drv->capa.flags |= WPA_DRIVER_FLAGS_AP;
}
+#endif /* HOSTAPD */
-/**
- * wpa_driver_nl80211_init - Initialize nl80211 driver interface
- * @ctx: context to be used when calling wpa_supplicant functions,
- * e.g., wpa_supplicant_event()
- * @ifname: interface name, e.g., wlan0
- * Returns: Pointer to private data, %NULL on failure
- */
-static void * wpa_driver_nl80211_init(void *ctx, const char *ifname)
+static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv,
+ void *ctx)
{
- int s, ret;
- struct sockaddr_nl local;
- struct wpa_driver_nl80211_data *drv;
+ int ret;
- drv = os_zalloc(sizeof(*drv));
- if (drv == NULL)
- return NULL;
- drv->ctx = ctx;
- os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
-#ifdef CONFIG_AP
- drv->monitor_ifidx = -1;
- drv->monitor_sock = -1;
-#endif /* CONFIG_AP */
+ /* Initialize generic netlink and nl80211 */
drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
if (drv->nl_cb == NULL) {
goto err3;
}
+#ifdef CONFIG_LIBNL20
+ if (genl_ctrl_alloc_cache(drv->nl_handle, &drv->nl_cache) < 0) {
+ wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
+ "netlink cache");
+ goto err3;
+ }
+#else /* CONFIG_LIBNL20 */
drv->nl_cache = genl_ctrl_alloc_cache(drv->nl_handle);
if (drv->nl_cache == NULL) {
wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
"netlink cache");
goto err3;
}
+#endif /* CONFIG_LIBNL20 */
+
drv->nl80211 = genl_ctrl_search_by_name(drv->nl_cache, "nl80211");
if (drv->nl80211 == NULL) {
ret, strerror(-ret));
goto err4;
}
- drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
eloop_register_read_sock(nl_socket_get_fd(drv->nl_handle),
wpa_driver_nl80211_event_receive, drv, ctx);
- drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
- if (drv->ioctl_sock < 0) {
- perror("socket(PF_INET,SOCK_DGRAM)");
- goto err5;
- }
+ return 0;
+
+err4:
+ nl_cache_free(drv->nl_cache);
+err3:
+ nl_handle_destroy(drv->nl_handle);
+err2:
+ nl_cb_put(drv->nl_cb);
+err1:
+ return -1;
+}
+
+
+static int wpa_driver_nl80211_init_link_events(
+ struct wpa_driver_nl80211_data *drv)
+{
+#ifdef HOSTAPD
+ return 0;
+#else /* HOSTAPD */
+ int s;
+ struct sockaddr_nl local;
s = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (s < 0) {
perror("socket(PF_NETLINK,SOCK_RAW,NETLINK_ROUTE)");
- goto err6;
+ return -1;
}
os_memset(&local, 0, sizeof(local));
if (bind(s, (struct sockaddr *) &local, sizeof(local)) < 0) {
perror("bind(netlink)");
close(s);
- goto err6;
+ return -1;
}
-#ifndef HOSTAPD
eloop_register_read_sock(s, wpa_driver_nl80211_event_receive_link, drv,
- ctx);
-#endif /* HOSTAPD */
+ drv->ctx);
drv->link_event_sock = s;
- if (wpa_driver_nl80211_finish_drv_init(drv))
- goto err7;
+ return 0;
+#endif /* HOSTAPD */
+}
+
+
+/**
+ * wpa_driver_nl80211_init - Initialize nl80211 driver interface
+ * @ctx: context to be used when calling wpa_supplicant functions,
+ * e.g., wpa_supplicant_event()
+ * @ifname: interface name, e.g., wlan0
+ * Returns: Pointer to private data, %NULL on failure
+ */
+static void * wpa_driver_nl80211_init(void *ctx, const char *ifname)
+{
+ struct wpa_driver_nl80211_data *drv;
+
+ drv = os_zalloc(sizeof(*drv));
+ if (drv == NULL)
+ return NULL;
+ drv->ctx = ctx;
+ os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
+ drv->monitor_ifidx = -1;
+ drv->monitor_sock = -1;
+ drv->link_event_sock = -1;
+ drv->ioctl_sock = -1;
+
+ if (wpa_driver_nl80211_init_nl(drv, ctx)) {
+ os_free(drv);
+ return NULL;
+ }
+
+ drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
+
+ drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
+ if (drv->ioctl_sock < 0) {
+ perror("socket(PF_INET,SOCK_DGRAM)");
+ goto failed;
+ }
+
+ if (wpa_driver_nl80211_init_link_events(drv) ||
+ wpa_driver_nl80211_finish_drv_init(drv))
+ goto failed;
return drv;
-err7:
- eloop_unregister_read_sock(drv->link_event_sock);
- close(drv->link_event_sock);
-err6:
- close(drv->ioctl_sock);
-err5:
+failed:
+ if (drv->link_event_sock >= 0) {
+ eloop_unregister_read_sock(drv->link_event_sock);
+ close(drv->link_event_sock);
+ }
+ if (drv->ioctl_sock >= 0)
+ close(drv->ioctl_sock);
+
genl_family_put(drv->nl80211);
-err4:
nl_cache_free(drv->nl_cache);
-err3:
nl_handle_destroy(drv->nl_handle);
-err2:
nl_cb_put(drv->nl_cb);
-err1:
+
os_free(drv);
return NULL;
}
{
drv->ifindex = if_nametoindex(drv->ifname);
- if (wpa_driver_nl80211_set_mode(drv, 0) < 0) {
+#ifndef HOSTAPD
+ if (wpa_driver_nl80211_set_mode(drv, IEEE80211_MODE_INFRA) < 0) {
wpa_printf(MSG_DEBUG, "nl80211: Could not configure driver to "
"use managed mode");
}
wpa_driver_nl80211_capa(drv);
wpa_driver_nl80211_send_oper_ifla(drv, 1, IF_OPER_DORMANT);
+#endif /* HOSTAPD */
return 0;
}
+#ifdef HOSTAPD
+static void wpa_driver_nl80211_free_bss(struct wpa_driver_nl80211_data *drv)
+{
+ struct i802_bss *bss, *prev;
+ bss = drv->bss.next;
+ while (bss) {
+ prev = bss;
+ bss = bss->next;
+ os_free(bss);
+ }
+}
+#endif /* HOSTAPD */
+
+
+#if defined(CONFIG_AP) || defined(HOSTAPD)
+static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
+{
+ struct nl_msg *msg;
+
+ 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);
+
+ return send_and_recv_msgs(drv, msg, NULL, NULL);
+ nla_put_failure:
+ return -ENOBUFS;
+}
+#endif /* CONFIG_AP || HOSTAPD */
+
+
/**
* wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
* @priv: Pointer to private nl80211 data from wpa_driver_nl80211_init()
{
struct wpa_driver_nl80211_data *drv = priv;
-#ifdef CONFIG_AP
- if (drv->monitor_ifidx >= 0)
- nl80211_remove_iface(drv, drv->monitor_ifidx);
+#if defined(CONFIG_AP) || defined(HOSTAPD)
+ nl80211_remove_monitor_interface(drv);
if (drv->monitor_sock >= 0) {
eloop_unregister_read_sock(drv->monitor_sock);
close(drv->monitor_sock);
}
-#endif /* CONFIG_AP */
- eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
+ if (drv->nlmode == NL80211_IFTYPE_AP)
+ wpa_driver_nl80211_del_beacon(drv);
+#endif /* CONFIG_AP || HOSTAPD */
+
+#ifdef HOSTAPD
+ if (drv->last_freq_ht) {
+ /* Clear HT flags from the driver */
+ struct hostapd_freq_params freq;
+ os_memset(&freq, 0, sizeof(freq));
+ freq.freq = drv->last_freq;
+ i802_set_freq(priv, &freq);
+ }
+
+ if (drv->eapol_sock >= 0) {
+ eloop_unregister_read_sock(drv->eapol_sock);
+ close(drv->eapol_sock);
+ }
+ if (drv->if_indices != drv->default_if_indices)
+ os_free(drv->if_indices);
+
+ wpa_driver_nl80211_free_bss(drv);
+#else /* HOSTAPD */
+#ifndef NO_WEXT
wpa_driver_nl80211_set_auth_param(drv, IW_AUTH_DROP_UNENCRYPTED, 0);
+#endif /* NO_WEXT */
wpa_driver_nl80211_send_oper_ifla(priv, 0, IF_OPER_UP);
- eloop_unregister_read_sock(drv->link_event_sock);
+ if (drv->link_event_sock >= 0) {
+ eloop_unregister_read_sock(drv->link_event_sock);
+ close(drv->link_event_sock);
+ }
+#endif /* HOSTAPD */
+
+ eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
- hostapd_set_iface_flags(drv, drv->ifname, 0);
- wpa_driver_nl80211_set_mode(drv, 0);
+ (void) hostapd_set_iface_flags(drv, drv->ifname, 0);
+ wpa_driver_nl80211_set_mode(drv, IEEE80211_MODE_INFRA);
- close(drv->link_event_sock);
- close(drv->ioctl_sock);
+ if (drv->ioctl_sock >= 0)
+ close(drv->ioctl_sock);
eloop_unregister_read_sock(nl_socket_get_fd(drv->nl_handle));
genl_family_put(drv->nl80211);
/**
* wpa_driver_nl80211_scan_timeout - Scan timeout to report scan completion
- * @eloop_ctx: Unused
+ * @eloop_ctx: Driver private data
* @timeout_ctx: ctx argument given to wpa_driver_nl80211_init()
*
* This function can be used as registered timeout when starting a scan to
*/
static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx)
{
+ struct wpa_driver_nl80211_data *drv = eloop_ctx;
+ if (drv->ap_scan_as_station) {
+ wpa_driver_nl80211_set_mode(drv, IEEE80211_MODE_AP);
+ drv->ap_scan_as_station = 0;
+ }
wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
-#ifndef HOSTAPD
wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
-#endif /* HOSTAPD */
}
/**
* wpa_driver_nl80211_scan - Request the driver to initiate scan
- * @priv: Pointer to private wext data from wpa_driver_nl80211_init()
+ * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
* @params: Scan parameters
* Returns: 0 on success, -1 on failure
*/
if (ret) {
wpa_printf(MSG_DEBUG, "nl80211: Scan trigger failed: ret=%d "
"(%s)", ret, strerror(-ret));
+#ifdef HOSTAPD
+ if (drv->nlmode == NL80211_IFTYPE_AP) {
+ /*
+ * mac80211 does not allow scan requests in AP mode, so
+ * try to do this in station mode.
+ */
+ if (wpa_driver_nl80211_set_mode(drv,
+ IEEE80211_MODE_INFRA))
+ goto nla_put_failure;
+
+ if (wpa_driver_nl80211_scan(drv, params)) {
+ wpa_driver_nl80211_set_mode(drv,
+ IEEE80211_MODE_AP);
+ goto nla_put_failure;
+ }
+
+ /* Restore AP mode when processing scan results */
+ drv->ap_scan_as_station = 1;
+ ret = 0;
+ } else
+ goto nla_put_failure;
+#else /* HOSTAPD */
goto nla_put_failure;
+#endif /* HOSTAPD */
}
/* Not all drivers generate "scan completed" wireless event, so try to
}
+#ifndef HOSTAPD
+
static int wpa_driver_nl80211_set_key(void *priv, wpa_alg alg,
const u8 *addr, int key_idx,
int set_tx, const u8 *seq,
{
struct wpa_driver_nl80211_data *drv = priv;
wpa_printf(MSG_DEBUG, "%s", __func__);
+ drv->associated = 0;
return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
reason_code);
}
{
struct wpa_driver_nl80211_data *drv = priv;
wpa_printf(MSG_DEBUG, "%s", __func__);
+ drv->associated = 0;
return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DISASSOCIATE,
reason_code);
}
return ret;
}
+#endif /* HOSTAPD */
+
#if defined(CONFIG_AP) || defined(HOSTAPD)
return -1;
}
-#endif /* CONFIG_AP || HOSTAPD */
+static int wpa_driver_nl80211_sta_add(const char *ifname, void *priv,
+ struct hostapd_sta_add_params *params)
+{
+ struct wpa_driver_nl80211_data *drv = priv;
+ struct nl_msg *msg;
+ int ret = -ENOBUFS;
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -ENOMEM;
+
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+ 0, NL80211_CMD_NEW_STATION, 0);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(ifname));
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr);
+ NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, params->aid);
+ NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_RATES, params->supp_rates_len,
+ params->supp_rates);
+ NLA_PUT_U16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
+ params->listen_interval);
+
+#ifdef CONFIG_IEEE80211N
+ if (params->ht_capabilities) {
+ NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY,
+ params->ht_capabilities->length,
+ ¶ms->ht_capabilities->data);
+ }
+#endif /* CONFIG_IEEE80211N */
+
+ ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+ if (ret)
+ wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_NEW_STATION "
+ "result: %d (%s)", ret, strerror(-ret));
+ if (ret == -EEXIST)
+ ret = 0;
+ nla_put_failure:
+ return ret;
+}
-#ifdef CONFIG_AP
+
+static int wpa_driver_nl80211_sta_remove(void *priv, const u8 *addr)
+{
+ struct wpa_driver_nl80211_data *drv = priv;
+ struct nl_msg *msg;
+ int ret;
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -ENOMEM;
+
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+ 0, NL80211_CMD_DEL_STATION, 0);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
+ if_nametoindex(drv->ifname));
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+
+ ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+ if (ret == -ENOENT)
+ return 0;
+ return ret;
+ nla_put_failure:
+ return -ENOBUFS;
+}
+
+#endif /* CONFIG_AP || HOSTAPD */
+
+
+#ifdef CONFIG_AP
static int wpa_driver_nl80211_set_beacon(void *priv,
const u8 *head, size_t head_len,
struct nl_msg *msg, *flags = NULL;
int ifidx;
int ret = -ENOBUFS;
-#ifdef HOSTAPD
- struct ifreq ifreq;
- struct iwreq iwr;
-#endif /* HOSTAPD */
msg = nlmsg_alloc();
if (!msg)
/* start listening for EAPOL on this interface */
add_ifidx(drv, ifidx);
- if (addr) {
- switch (iftype) {
- case NL80211_IFTYPE_AP:
- os_strlcpy(ifreq.ifr_name, ifname, IFNAMSIZ);
- memcpy(ifreq.ifr_hwaddr.sa_data, addr, ETH_ALEN);
- ifreq.ifr_hwaddr.sa_family = ARPHRD_ETHER;
-
- if (ioctl(drv->ioctl_sock, SIOCSIFHWADDR, &ifreq)) {
- nl80211_remove_iface(drv, ifidx);
- return -1;
- }
- break;
- case NL80211_IFTYPE_WDS:
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, ifname, IFNAMSIZ);
- iwr.u.addr.sa_family = ARPHRD_ETHER;
- memcpy(iwr.u.addr.sa_data, addr, ETH_ALEN);
- if (ioctl(drv->ioctl_sock, SIOCSIWAP, &iwr))
- return -1;
- break;
- default:
- /* nothing */
- break;
- }
+ if (addr && iftype == NL80211_IFTYPE_AP &&
+ set_ifhwaddr(drv, ifname, addr)) {
+ nl80211_remove_iface(drv, ifidx);
+ return -1;
}
#endif /* HOSTAPD */
}
-static void handle_frame(struct wpa_driver_nl80211_data *drv,
- u8 *buf, size_t len,
- struct hostapd_frame_info *hfi,
- enum ieee80211_msg_type msg_type)
+static void from_unknown_sta(struct wpa_driver_nl80211_data *drv,
+ struct ieee80211_hdr *hdr, size_t len)
{
- struct ieee80211_hdr *hdr;
- u16 fc, type, stype;
- size_t data_len = len;
- u8 *bssid;
- void *ctx = drv->ctx;
#ifdef HOSTAPD
- struct hostapd_iface *iface = drv->hapd->iface;
- struct hostapd_data *hapd = NULL;
- int broadcast_bssid = 0;
- size_t i;
+ hostapd_rx_from_unknown_sta(drv->ctx, hdr, len);
+#else /* HOSTAPD */
+ ap_rx_from_unknown_sta(drv->ctx, hdr->addr2);
#endif /* HOSTAPD */
+}
- /*
- * PS-Poll frames are 16 bytes. All other frames are
- * 24 bytes or longer.
- */
- if (len < 16)
- return;
+
+static void handle_frame(struct wpa_driver_nl80211_data *drv,
+ u8 *buf, size_t len,
+ struct hostapd_frame_info *hfi)
+{
+ struct ieee80211_hdr *hdr;
+ u16 fc, stype;
hdr = (struct ieee80211_hdr *) buf;
fc = le_to_host16(hdr->frame_control);
-
- type = WLAN_FC_GET_TYPE(fc);
stype = WLAN_FC_GET_STYPE(fc);
- switch (type) {
- case WLAN_FC_TYPE_DATA:
- if (len < 24)
- return;
- switch (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) {
- case WLAN_FC_TODS:
- bssid = hdr->addr1;
- break;
- case WLAN_FC_FROMDS:
- bssid = hdr->addr2;
- break;
- default:
- /* discard */
- return;
- }
- break;
- case WLAN_FC_TYPE_CTRL:
- /* discard non-ps-poll frames */
- if (stype != WLAN_FC_STYPE_PSPOLL)
- return;
- bssid = hdr->addr1;
- break;
- case WLAN_FC_TYPE_MGMT:
- bssid = hdr->addr3;
- break;
- default:
- /* discard */
- return;
- }
-
-#ifdef HOSTAPD
- /* find interface frame belongs to */
- for (i = 0; i < iface->num_bss; i++) {
- if (memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0) {
- hapd = iface->bss[i];
- break;
- }
- }
-
- if (hapd == NULL) {
- hapd = iface->bss[0];
-
- if (bssid[0] != 0xff || bssid[1] != 0xff ||
- bssid[2] != 0xff || bssid[3] != 0xff ||
- bssid[4] != 0xff || bssid[5] != 0xff) {
- /*
- * Unknown BSSID - drop frame if this is not from
- * passive scanning or a beacon (at least ProbeReq
- * frames to other APs may be allowed through RX
- * filtering in the wlan hw/driver)
- */
- if ((type != WLAN_FC_TYPE_MGMT ||
- stype != WLAN_FC_STYPE_BEACON))
- return;
- } else
- broadcast_bssid = 1;
- }
- ctx = hapd;
-#endif /* HOSTAPD */
-
- switch (msg_type) {
- case ieee80211_msg_normal:
- /* continue processing */
- break;
- case ieee80211_msg_tx_callback_ack:
- handle_tx_callback(ctx, buf, data_len, 1);
- return;
- case ieee80211_msg_tx_callback_fail:
- handle_tx_callback(ctx, buf, data_len, 0);
- return;
- }
-
- switch (type) {
+ switch (WLAN_FC_GET_TYPE(fc)) {
case WLAN_FC_TYPE_MGMT:
if (stype != WLAN_FC_STYPE_BEACON &&
stype != WLAN_FC_STYPE_PROBE_REQ)
wpa_printf(MSG_MSGDUMP, "MGMT");
#ifdef HOSTAPD
- if (broadcast_bssid) {
- for (i = 0; i < iface->num_bss; i++)
- hostapd_mgmt_rx(iface->bss[i], buf, data_len,
- stype, hfi);
- } else
- hostapd_mgmt_rx(hapd, buf, data_len, stype, hfi);
+ hostapd_mgmt_rx(drv->ctx, buf, len, stype, hfi);
#else /* HOSTAPD */
- ap_mgmt_rx(drv->ctx, buf, data_len, stype, hfi);
+ ap_mgmt_rx(drv->ctx, buf, len, stype, hfi);
#endif /* HOSTAPD */
break;
case WLAN_FC_TYPE_CTRL:
/* can only get here with PS-Poll frames */
wpa_printf(MSG_DEBUG, "CTRL");
-#ifdef HOSTAPD
- hostapd_rx_from_unknown_sta(drv->hapd, hdr->addr2);
-#else /* HOSTAPD */
- ap_rx_from_unknown_sta(drv->ctx, hdr->addr2);
-#endif /* HOSTAPD */
+ from_unknown_sta(drv, hdr, len);
break;
case WLAN_FC_TYPE_DATA:
-#ifdef HOSTAPD
- hostapd_rx_from_unknown_sta(drv->hapd, hdr->addr2);
-#else /* HOSTAPD */
- ap_rx_from_unknown_sta(drv->ctx, hdr->addr2);
-#endif /* HOSTAPD */
+ from_unknown_sta(drv, hdr, len);
break;
}
}
struct ieee80211_radiotap_iterator iter;
int ret;
struct hostapd_frame_info hfi;
- int injected = 0, failed = 0, msg_type, rxflags = 0;
+ int injected = 0, failed = 0, rxflags = 0;
len = recv(sock, buf, sizeof(buf), 0);
if (len < 0) {
return;
if (!injected)
- msg_type = ieee80211_msg_normal;
- else if (failed)
- msg_type = ieee80211_msg_tx_callback_fail;
+ handle_frame(drv, buf + iter.max_length,
+ len - iter.max_length, &hfi);
else
- msg_type = ieee80211_msg_tx_callback_ack;
-
- handle_frame(drv, buf + iter.max_length,
- len - iter.max_length, &hfi, msg_type);
+ handle_tx_callback(drv->ctx, buf + iter.max_length,
+ len - iter.max_length, !failed);
}
}
+static void nl80211_remove_monitor_interface(
+ struct wpa_driver_nl80211_data *drv)
+{
+ if (drv->monitor_ifidx >= 0) {
+ nl80211_remove_iface(drv, drv->monitor_ifidx);
+ drv->monitor_ifidx = -1;
+ }
+}
+
+
static int
nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv)
{
return 0;
error:
- nl80211_remove_iface(drv, drv->monitor_ifidx);
+ nl80211_remove_monitor_interface(drv);
return -1;
}
+
+static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
+
+static int wpa_driver_nl80211_hapd_send_eapol(
+ void *priv, const u8 *addr, const u8 *data,
+ size_t data_len, int encrypt, const u8 *own_addr)
+{
+ struct wpa_driver_nl80211_data *drv = priv;
+ struct ieee80211_hdr *hdr;
+ size_t len;
+ u8 *pos;
+ int res;
+#if 0 /* FIX */
+ int qos = sta->flags & WLAN_STA_WME;
+#else
+ int qos = 0;
+#endif
+
+ len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
+ data_len;
+ hdr = os_zalloc(len);
+ if (hdr == NULL) {
+ printf("malloc() failed for i802_send_data(len=%lu)\n",
+ (unsigned long) len);
+ return -1;
+ }
+
+ hdr->frame_control =
+ IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
+ hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
+ if (encrypt)
+ hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
+#if 0 /* To be enabled if qos determination is added above */
+ if (qos) {
+ hdr->frame_control |=
+ host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
+ }
+#endif
+
+ memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
+ memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
+ memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
+ pos = (u8 *) (hdr + 1);
+
+#if 0 /* To be enabled if qos determination is added above */
+ if (qos) {
+ /* add an empty QoS header if needed */
+ pos[0] = 0;
+ pos[1] = 0;
+ pos += 2;
+ }
+#endif
+
+ memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
+ pos += sizeof(rfc1042_header);
+ WPA_PUT_BE16(pos, ETH_P_PAE);
+ pos += 2;
+ memcpy(pos, data, data_len);
+
+ res = wpa_driver_nl80211_send_frame(drv, (u8 *) hdr, len, encrypt);
+ if (res < 0) {
+ wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
+ "failed: %d (%s)",
+ (unsigned long) len, errno, strerror(errno));
+ }
+ free(hdr);
+
+ return res;
+}
+
+
+static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
+ int total_flags, int flags_or,
+ int flags_and)
+{
+ struct wpa_driver_nl80211_data *drv = priv;
+ struct nl_msg *msg, *flags = NULL;
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -ENOMEM;
+
+ flags = nlmsg_alloc();
+ if (!flags) {
+ nlmsg_free(msg);
+ return -ENOMEM;
+ }
+
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+ 0, NL80211_CMD_SET_STATION, 0);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
+ if_nametoindex(drv->ifname));
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+
+ if (total_flags & WLAN_STA_AUTHORIZED)
+ NLA_PUT_FLAG(flags, NL80211_STA_FLAG_AUTHORIZED);
+
+ if (total_flags & WLAN_STA_WMM)
+ NLA_PUT_FLAG(flags, NL80211_STA_FLAG_WME);
+
+ if (total_flags & WLAN_STA_SHORT_PREAMBLE)
+ NLA_PUT_FLAG(flags, NL80211_STA_FLAG_SHORT_PREAMBLE);
+
+ if (total_flags & WLAN_STA_MFP)
+ NLA_PUT_FLAG(flags, NL80211_STA_FLAG_MFP);
+
+ if (nla_put_nested(msg, NL80211_ATTR_STA_FLAGS, flags))
+ goto nla_put_failure;
+
+ nlmsg_free(flags);
+
+ return send_and_recv_msgs(drv, msg, NULL, NULL);
+ nla_put_failure:
+ nlmsg_free(flags);
+ return -ENOBUFS;
+}
+
#endif /* CONFIG_AP || HOSTAPD */
#ifdef CONFIG_AP
static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
struct wpa_driver_associate_params *params)
{
- if (drv->monitor_ifidx < 0 &&
- nl80211_create_monitor_interface(drv))
- return -1;
-
if (wpa_driver_nl80211_set_mode(drv, params->mode) ||
wpa_driver_nl80211_set_freq(drv, params->freq, 0, 0)) {
- nl80211_remove_iface(drv, drv->monitor_ifidx);
- drv->monitor_ifidx = -1;
+ nl80211_remove_monitor_interface(drv);
return -1;
}
#endif /* CONFIG_AP */
+#ifndef HOSTAPD
static int wpa_driver_nl80211_associate(
void *priv, struct wpa_driver_associate_params *params)
{
return wpa_driver_nl80211_ap(drv, params);
#endif /* CONFIG_AP */
+#ifndef NO_WEXT
wpa_driver_nl80211_set_auth_param(drv, IW_AUTH_DROP_UNENCRYPTED,
params->drop_unencrypted);
+#endif /* NO_WEXT */
drv->associated = 0;
nlmsg_free(msg);
return ret;
}
+#endif /* HOSTAPD */
-/**
- * wpa_driver_nl80211_set_mode - Set wireless mode (infra/adhoc)
- * @drv: Pointer to private driver data from wpa_driver_nl80211_init()
- * @mode: 0 = infra/BSS (associate with an AP), 1 = adhoc/IBSS
- * Returns: 0 on success, -1 on failure
- */
-static int wpa_driver_nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
- int mode)
+static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
+ int ifindex, int mode)
{
- int ret = -1;
struct nl_msg *msg;
+ int ret = -ENOBUFS;
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -ENOMEM;
+
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+ 0, NL80211_CMD_SET_INTERFACE, 0);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, mode);
+
+ ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+ if (!ret)
+ return 0;
+nla_put_failure:
+ wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
+ " %d (%s)", ifindex, mode, ret, strerror(-ret));
+ return ret;
+}
+
+
+static int wpa_driver_nl80211_set_mode(void *priv, int mode)
+{
+ struct wpa_driver_nl80211_data *drv = priv;
+ int ret = -1;
int nlmode;
switch (mode) {
return -1;
}
- msg = nlmsg_alloc();
- if (!msg)
- return -1;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_SET_INTERFACE, 0);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
- NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, nlmode);
-
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
- if (!ret)
- return 0;
- else
- goto try_again;
+ if (nl80211_set_mode(drv, drv->ifindex, nlmode) == 0) {
+ drv->nlmode = nlmode;
+ ret = 0;
+ goto done;
+ }
-nla_put_failure:
- wpa_printf(MSG_ERROR, "nl80211: Failed to set interface mode: %d (%s)",
- ret, strerror(-ret));
- return -1;
+ if (nlmode == drv->nlmode) {
+ ret = 0;
+ goto done; /* Already in the requested mode */
+ }
-try_again:
/* mac80211 doesn't allow mode changes while the device is up, so
* take the device down, try to set the mode again, and bring the
* device back up.
*/
if (hostapd_set_iface_flags(drv, drv->ifname, 0) == 0) {
/* Try to set the mode again while the interface is down */
- msg = nlmsg_alloc();
- if (!msg)
- return -1;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_SET_INTERFACE, 0);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
- NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, nlmode);
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
- if (ret) {
- wpa_printf(MSG_ERROR, "Failed to set interface %s "
- "mode(try_again): %d (%s)",
- drv->ifname, ret, strerror(-ret));
- }
-
+ ret = nl80211_set_mode(drv, drv->ifindex, nlmode);
if (hostapd_set_iface_flags(drv, drv->ifname, 1))
ret = -1;
}
+ if (!ret)
+ drv->nlmode = nlmode;
+
+done:
+#if defined(CONFIG_AP) || defined(HOSTAPD)
+ if (!ret && nlmode == NL80211_IFTYPE_AP) {
+ /* Setup additional AP mode functionality if needed */
+ if (drv->monitor_ifidx < 0 &&
+ nl80211_create_monitor_interface(drv))
+ return -1;
+ } else if (!ret && nlmode != NL80211_IFTYPE_AP) {
+ /* Remove additional AP mode functionality */
+ nl80211_remove_monitor_interface(drv);
+ }
+#endif /* CONFIG_AP || HOSTAPD */
+
return ret;
}
+#ifndef HOSTAPD
+
static int wpa_driver_nl80211_get_capa(void *priv,
struct wpa_driver_capa *capa)
{
drv, -1, state ? IF_OPER_UP : IF_OPER_DORMANT);
}
+#endif /* HOSTAPD */
-#ifdef HOSTAPD
-
-static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
-
-static int i802_sta_deauth(void *priv, const u8 *addr, int reason);
-static int i802_sta_disassoc(void *priv, const u8 *addr, int reason);
+#ifdef HOSTAPD
static struct i802_bss * get_bss(struct wpa_driver_nl80211_data *drv,
int ifindex)
static int i802_set_rts(void *priv, int rts)
{
+#ifdef NO_WEXT
+ return -1;
+#else /* NO_WEXT */
struct wpa_driver_nl80211_data *drv = priv;
struct iwreq iwr;
}
return 0;
+#endif /* NO_WEXT */
}
static int i802_set_frag(void *priv, int frag)
{
+#ifdef NO_WEXT
+ return -1;
+#else /* NO_WEXT */
struct wpa_driver_nl80211_data *drv = priv;
struct iwreq iwr;
}
return 0;
-}
-
-
-static int i802_set_retry(void *priv, int short_retry, int long_retry)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- struct iwreq iwr;
-
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
-
- iwr.u.retry.value = short_retry;
- iwr.u.retry.flags = IW_RETRY_LIMIT | IW_RETRY_MIN;
- if (ioctl(drv->ioctl_sock, SIOCSIWRETRY, &iwr) < 0) {
- perror("ioctl[SIOCSIWRETRY(short)]");
- return -1;
- }
-
- iwr.u.retry.value = long_retry;
- iwr.u.retry.flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
- if (ioctl(drv->ioctl_sock, SIOCSIWRETRY, &iwr) < 0) {
- perror("ioctl[SIOCSIWRETRY(long)]");
- return -1;
- }
-
- return 0;
+#endif /* NO_WEXT */
}
}
-static int i802_send_eapol(void *priv, const u8 *addr, const u8 *data,
- size_t data_len, int encrypt, const u8 *own_addr)
+static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
+ int cw_min, int cw_max, int burst_time)
{
struct wpa_driver_nl80211_data *drv = priv;
- struct ieee80211_hdr *hdr;
- size_t len;
- u8 *pos;
- int res;
-#if 0 /* FIX */
- int qos = sta->flags & WLAN_STA_WME;
-#else
- int qos = 0;
-#endif
+ struct nl_msg *msg;
+ struct nlattr *txq, *params;
- len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
- data_len;
- hdr = os_zalloc(len);
- if (hdr == NULL) {
- printf("malloc() failed for i802_send_data(len=%lu)\n",
- (unsigned long) len);
+ msg = nlmsg_alloc();
+ if (!msg)
return -1;
- }
- hdr->frame_control =
- IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
- hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
- if (encrypt)
- hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
-#if 0 /* To be enabled if qos determination is added above */
- if (qos) {
- hdr->frame_control |=
- host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
- }
-#endif
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+ 0, NL80211_CMD_SET_WIPHY, 0);
- memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
- memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
- memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
- pos = (u8 *) (hdr + 1);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(drv->ifname));
-#if 0 /* To be enabled if qos determination is added above */
- if (qos) {
- /* add an empty QoS header if needed */
- pos[0] = 0;
- pos[1] = 0;
- pos += 2;
- }
-#endif
+ txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
+ if (!txq)
+ goto nla_put_failure;
- memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
- pos += sizeof(rfc1042_header);
- WPA_PUT_BE16(pos, ETH_P_PAE);
- pos += 2;
- memcpy(pos, data, data_len);
+ /* We are only sending parameters for a single TXQ at a time */
+ params = nla_nest_start(msg, 1);
+ if (!params)
+ goto nla_put_failure;
- res = wpa_driver_nl80211_send_frame(drv, (u8 *) hdr, len, encrypt);
- if (res < 0) {
- wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
- "failed: %d (%s)",
- (unsigned long) len, errno, strerror(errno));
- }
- free(hdr);
+ NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, queue);
+ /* Burst time is configured in units of 0.1 msec and TXOP parameter in
+ * 32 usec, so need to convert the value here. */
+ NLA_PUT_U16(msg, NL80211_TXQ_ATTR_TXOP, (burst_time * 100 + 16) / 32);
+ NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min);
+ NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max);
+ NLA_PUT_U8(msg, NL80211_TXQ_ATTR_AIFS, aifs);
- return res;
+ nla_nest_end(msg, params);
+
+ nla_nest_end(msg, txq);
+
+ if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
+ return 0;
+ nla_put_failure:
+ return -1;
}
-static int i802_sta_add(const char *ifname, void *priv,
- struct hostapd_sta_add_params *params)
+static int i802_bss_add(void *priv, const char *ifname, const u8 *bssid)
{
struct wpa_driver_nl80211_data *drv = priv;
- struct nl_msg *msg;
- int ret = -ENOBUFS;
+ int ifidx;
+ struct i802_bss *bss;
- msg = nlmsg_alloc();
- if (!msg)
- return -ENOMEM;
+ bss = os_zalloc(sizeof(*bss));
+ if (bss == NULL)
+ return -1;
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_NEW_STATION, 0);
+ ifidx = nl80211_create_iface(priv, ifname, NL80211_IFTYPE_AP, bssid);
+ if (ifidx < 0) {
+ os_free(bss);
+ return -1;
+ }
+ bss->ifindex = ifidx;
+ if (hostapd_set_iface_flags(priv, ifname, 1)) {
+ nl80211_remove_iface(priv, ifidx);
+ os_free(bss);
+ return -1;
+ }
+ bss->next = drv->bss.next;
+ drv->bss.next = bss;
+ return 0;
+}
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(drv->ifname));
- NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr);
- NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, params->aid);
- NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_RATES, params->supp_rates_len,
- params->supp_rates);
- NLA_PUT_U16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
- params->listen_interval);
-#ifdef CONFIG_IEEE80211N
- if (params->ht_capabilities) {
- NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY,
- params->ht_capabilities->length,
- ¶ms->ht_capabilities->data);
+static int i802_bss_remove(void *priv, const char *ifname)
+{
+ struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss, *prev;
+ int ifindex = if_nametoindex(ifname);
+ nl80211_remove_iface(priv, ifindex);
+ prev = &drv->bss;
+ bss = drv->bss.next;
+ while (bss) {
+ if (ifindex == bss->ifindex) {
+ prev->next = bss->next;
+ os_free(bss);
+ break;
+ }
+ prev = bss;
+ bss = bss->next;
}
-#endif /* CONFIG_IEEE80211N */
+ return 0;
+}
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
- if (ret)
- wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_NEW_STATION "
- "result: %d (%s)", ret, strerror(-ret));
- if (ret == -EEXIST)
- ret = 0;
- nla_put_failure:
- return ret;
+
+static int i802_set_beacon(const char *iface, void *priv,
+ const u8 *head, size_t head_len,
+ const u8 *tail, size_t tail_len, int dtim_period)
+{
+ return wpa_driver_nl80211_set_beacon_iface(if_nametoindex(iface), priv,
+ head, head_len,
+ tail, tail_len,
+ dtim_period);
}
-static int i802_sta_remove(void *priv, const u8 *addr)
+static int i802_set_bss(void *priv, int cts, int preamble, int slot)
{
struct wpa_driver_nl80211_data *drv = priv;
struct nl_msg *msg;
- int ret;
msg = nlmsg_alloc();
if (!msg)
return -ENOMEM;
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_DEL_STATION, 0);
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+ NL80211_CMD_SET_BSS, 0);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(drv->ifname));
- NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
-
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
- if (ret == -ENOENT)
- return 0;
- return ret;
- nla_put_failure:
- return -ENOBUFS;
-}
-
-
-static int i802_sta_set_flags(void *priv, const u8 *addr,
- int total_flags, int flags_or, int flags_and)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- struct nl_msg *msg, *flags = NULL;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -ENOMEM;
-
- flags = nlmsg_alloc();
- if (!flags) {
- nlmsg_free(msg);
- return -ENOMEM;
- }
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_SET_STATION, 0);
-
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(drv->ifname));
- NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
-
- if (total_flags & WLAN_STA_AUTHORIZED)
- NLA_PUT_FLAG(flags, NL80211_STA_FLAG_AUTHORIZED);
-
- if (total_flags & WLAN_STA_WMM)
- NLA_PUT_FLAG(flags, NL80211_STA_FLAG_WME);
-
- if (total_flags & WLAN_STA_SHORT_PREAMBLE)
- NLA_PUT_FLAG(flags, NL80211_STA_FLAG_SHORT_PREAMBLE);
-
- if (total_flags & WLAN_STA_MFP)
- NLA_PUT_FLAG(flags, NL80211_STA_FLAG_MFP);
-
- if (nla_put_nested(msg, NL80211_ATTR_STA_FLAGS, flags))
- goto nla_put_failure;
-
- nlmsg_free(flags);
-
- return send_and_recv_msgs(drv, msg, NULL, NULL);
- nla_put_failure:
- nlmsg_free(flags);
- return -ENOBUFS;
-}
-
-
-static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
- int cw_min, int cw_max, int burst_time)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- struct nl_msg *msg;
- struct nlattr *txq, *params;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -1;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_SET_WIPHY, 0);
-
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(drv->ifname));
-
- txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
- if (!txq)
- goto nla_put_failure;
-
- /* We are only sending parameters for a single TXQ at a time */
- params = nla_nest_start(msg, 1);
- if (!params)
- goto nla_put_failure;
-
- NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, queue);
- /* Burst time is configured in units of 0.1 msec and TXOP parameter in
- * 32 usec, so need to convert the value here. */
- NLA_PUT_U16(msg, NL80211_TXQ_ATTR_TXOP, (burst_time * 100 + 16) / 32);
- NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min);
- NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max);
- NLA_PUT_U8(msg, NL80211_TXQ_ATTR_AIFS, aifs);
-
- nla_nest_end(msg, params);
-
- nla_nest_end(msg, txq);
-
- if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
- return 0;
- nla_put_failure:
- return -1;
-}
-
-
-static int i802_bss_add(void *priv, const char *ifname, const u8 *bssid)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- int ifidx;
- struct i802_bss *bss;
-
- bss = os_zalloc(sizeof(*bss));
- if (bss == NULL)
- return -1;
- bss->ifindex = if_nametoindex(ifname);
-
- ifidx = nl80211_create_iface(priv, ifname, NL80211_IFTYPE_AP, bssid);
- if (ifidx < 0) {
- os_free(bss);
- return -1;
- }
- if (hostapd_set_iface_flags(priv, ifname, 1)) {
- nl80211_remove_iface(priv, ifidx);
- os_free(bss);
- return -1;
- }
- bss->next = drv->bss.next;
- drv->bss.next = bss;
- return 0;
-}
-
-
-static int i802_bss_remove(void *priv, const char *ifname)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- struct i802_bss *bss, *prev;
- int ifindex = if_nametoindex(ifname);
- nl80211_remove_iface(priv, ifindex);
- prev = &drv->bss;
- bss = drv->bss.next;
- while (bss) {
- if (ifindex == bss->ifindex) {
- prev->next = bss->next;
- os_free(bss);
- break;
- }
- prev = bss;
- bss = bss->next;
- }
- return 0;
-}
-
-
-static int i802_set_beacon(const char *iface, void *priv,
- const u8 *head, size_t head_len,
- const u8 *tail, size_t tail_len, int dtim_period)
-{
- return wpa_driver_nl80211_set_beacon_iface(if_nametoindex(iface), priv,
- head, head_len,
- tail, tail_len,
- dtim_period);
-}
-
-
-static int i802_del_beacon(struct wpa_driver_nl80211_data *drv)
-{
- struct nl_msg *msg;
-
- 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, if_nametoindex(drv->ifname));
-
- return send_and_recv_msgs(drv, msg, NULL, NULL);
- nla_put_failure:
- return -ENOBUFS;
-}
-
-
-static int i802_set_bss(void *priv, int cts, int preamble, int slot)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- struct nl_msg *msg;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -ENOMEM;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
- NL80211_CMD_SET_BSS, 0);
-
- if (cts >= 0)
- NLA_PUT_U8(msg, NL80211_ATTR_BSS_CTS_PROT, cts);
- if (preamble >= 0)
- NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble);
- if (slot >= 0)
- NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot);
-
- /* TODO: multi-BSS support */
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(drv->ifname));
-
- return send_and_recv_msgs(drv, msg, NULL, NULL);
- nla_put_failure:
- return -ENOBUFS;
-}
-
-
-static int i802_set_cts_protect(void *priv, int value)
-{
- return i802_set_bss(priv, value, -1, -1);
-}
-
-
-static int i802_set_preamble(void *priv, int value)
-{
- return i802_set_bss(priv, -1, value, -1);
-}
-
-
-static int i802_set_short_slot_time(void *priv, int value)
-{
- return i802_set_bss(priv, -1, -1, value);
-}
-
-
-static enum nl80211_iftype i802_if_type(enum hostapd_driver_if_type type)
-{
- switch (type) {
- case HOSTAPD_IF_VLAN:
- return NL80211_IFTYPE_AP_VLAN;
- case HOSTAPD_IF_WDS:
- return NL80211_IFTYPE_WDS;
- }
- return -1;
-}
-
-
-static int i802_if_add(const char *iface, void *priv,
- enum hostapd_driver_if_type type, char *ifname,
- const u8 *addr)
-{
- if (nl80211_create_iface(priv, ifname, i802_if_type(type), addr) < 0)
- return -1;
- return 0;
-}
-
-
-static int i802_if_update(void *priv, enum hostapd_driver_if_type type,
- char *ifname, const u8 *addr)
-{
- /* unused at the moment */
- return -1;
-}
-
-
-static int i802_if_remove(void *priv, enum hostapd_driver_if_type type,
- const char *ifname, const u8 *addr)
-{
- nl80211_remove_iface(priv, if_nametoindex(ifname));
- return 0;
-}
-
-
-static int i802_set_sta_vlan(void *priv, const u8 *addr,
- const char *ifname, int vlan_id)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- struct nl_msg *msg;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -ENOMEM;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_SET_STATION, 0);
-
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(drv->ifname));
- NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(ifname));
-
- return send_and_recv_msgs(drv, msg, NULL, NULL);
- nla_put_failure:
- return -ENOBUFS;
-}
-
-
-static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
-{
- struct wpa_driver_nl80211_data *drv = eloop_ctx;
- struct sockaddr_ll lladdr;
- unsigned char buf[3000];
- int len;
- socklen_t fromlen = sizeof(lladdr);
-
- len = recvfrom(sock, buf, sizeof(buf), 0,
- (struct sockaddr *)&lladdr, &fromlen);
- if (len < 0) {
- perror("recv");
- return;
- }
-
- if (have_ifidx(drv, lladdr.sll_ifindex)) {
- struct hostapd_data *hapd;
- hapd = hostapd_sta_get_bss(drv->hapd, lladdr.sll_addr);
- if (!hapd)
- return;
- hostapd_eapol_receive(hapd, lladdr.sll_addr, buf, len);
- }
-}
-
-
-static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv, const char *ifname,
- int mode)
-{
- struct nl_msg *msg;
- int ret = -ENOBUFS;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -ENOMEM;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_SET_INTERFACE, 0);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(ifname));
- NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, mode);
-
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
- if (!ret)
- return 0;
- nla_put_failure:
- wpa_printf(MSG_ERROR, "Failed to set interface %s to master "
- "mode.", ifname);
- return ret;
-}
-
-
-#ifdef CONFIG_IEEE80211N
-static void i802_add_neighbor(struct wpa_driver_nl80211_data *drv, u8 *bssid,
- int freq, u8 *ie, size_t ie_len)
-{
- struct ieee802_11_elems elems;
- int ht, pri_chan = 0, sec_chan = 0;
- struct ieee80211_ht_operation *oper;
- struct hostapd_neighbor_bss *nnei;
-
- ieee802_11_parse_elems(ie, ie_len, &elems, 0);
- ht = elems.ht_capabilities || elems.ht_operation;
- if (elems.ht_operation && elems.ht_operation_len >= sizeof(*oper)) {
- oper = (struct ieee80211_ht_operation *) elems.ht_operation;
- pri_chan = oper->control_chan;
- if (oper->ht_param & HT_INFO_HT_PARAM_REC_TRANS_CHNL_WIDTH) {
- if (oper->ht_param &
- HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE)
- sec_chan = pri_chan + 4;
- else if (oper->ht_param &
- HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW)
- sec_chan = pri_chan - 4;
- }
- }
-
- wpa_printf(MSG_DEBUG, "nl80211: Neighboring BSS - bssid=" MACSTR
- " freq=%d MHz HT=%d pri_chan=%d sec_chan=%d",
- MAC2STR(bssid), freq, ht, pri_chan, sec_chan);
-
- nnei = os_realloc(drv->neighbors, (drv->num_neighbors + 1) *
- sizeof(struct hostapd_neighbor_bss));
- if (nnei == NULL)
- return;
- drv->neighbors = nnei;
- nnei = &nnei[drv->num_neighbors];
- os_memcpy(nnei->bssid, bssid, ETH_ALEN);
- nnei->freq = freq;
- nnei->ht = !!ht;
- nnei->pri_chan = pri_chan;
- nnei->sec_chan = sec_chan;
- drv->num_neighbors++;
-}
-
-
-static int i802_get_scan_freq(struct iw_event *iwe, int *freq)
-{
- int divi = 1000000, i;
-
- if (iwe->u.freq.e == 0) {
- /*
- * Some drivers do not report frequency, but a channel.
- * Try to map this to frequency by assuming they are using
- * IEEE 802.11b/g. But don't overwrite a previously parsed
- * frequency if the driver sends both frequency and channel,
- * since the driver may be sending an A-band channel that we
- * don't handle here.
- */
-
- if (*freq)
- return 0;
-
- if (iwe->u.freq.m >= 1 && iwe->u.freq.m <= 13) {
- *freq = 2407 + 5 * iwe->u.freq.m;
- return 0;
- } else if (iwe->u.freq.m == 14) {
- *freq = 2484;
- return 0;
- }
- }
-
- if (iwe->u.freq.e > 6) {
- wpa_printf(MSG_DEBUG, "Invalid freq in scan results: "
- "m=%d e=%d", iwe->u.freq.m, iwe->u.freq.e);
- return -1;
- }
-
- for (i = 0; i < iwe->u.freq.e; i++)
- divi /= 10;
- *freq = iwe->u.freq.m / divi;
- return 0;
-}
-
-
-static int i802_parse_scan(struct wpa_driver_nl80211_data *drv, u8 *res_buf,
- size_t len)
-{
- size_t ap_num = 0;
- int first;
- struct iw_event iwe_buf, *iwe = &iwe_buf;
- char *pos, *end, *custom;
- u8 bssid[ETH_ALEN];
- int freq = 0;
- u8 *ie = NULL;
- size_t ie_len = 0;
-
- ap_num = 0;
- first = 1;
-
- pos = (char *) res_buf;
- end = (char *) res_buf + len;
-
- while (pos + IW_EV_LCP_LEN <= end) {
- /* Event data may be unaligned, so make a local, aligned copy
- * before processing. */
- os_memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
- if (iwe->len <= IW_EV_LCP_LEN)
- break;
-
- custom = pos + IW_EV_POINT_LEN;
- if (iwe->cmd == IWEVGENIE) {
- /* WE-19 removed the pointer from struct iw_point */
- char *dpos = (char *) &iwe_buf.u.data.length;
- int dlen = dpos - (char *) &iwe_buf;
- os_memcpy(dpos, pos + IW_EV_LCP_LEN,
- sizeof(struct iw_event) - dlen);
- } else {
- os_memcpy(&iwe_buf, pos, sizeof(struct iw_event));
- custom += IW_EV_POINT_OFF;
- }
-
- switch (iwe->cmd) {
- case SIOCGIWAP:
- if (!first)
- i802_add_neighbor(drv, bssid, freq, ie,
- ie_len);
- first = 0;
- os_memcpy(bssid, iwe->u.ap_addr.sa_data, ETH_ALEN);
- freq = 0;
- ie = NULL;
- ie_len = 0;
- break;
- case SIOCGIWFREQ:
- i802_get_scan_freq(iwe, &freq);
- break;
- case IWEVGENIE:
- if (custom + iwe->u.data.length > end) {
- wpa_printf(MSG_ERROR, "IWEVGENIE overflow");
- return -1;
- }
- ie = (u8 *) custom;
- ie_len = iwe->u.data.length;
- break;
- }
-
- pos += iwe->len;
- }
-
- if (!first)
- i802_add_neighbor(drv, bssid, freq, ie, ie_len);
-
- return 0;
-}
-
-
-static int i802_get_ht_scan_res(struct wpa_driver_nl80211_data *drv)
-{
- struct iwreq iwr;
- u8 *res_buf;
- size_t res_buf_len;
- int res;
-
- res_buf_len = IW_SCAN_MAX_DATA;
- for (;;) {
- res_buf = os_malloc(res_buf_len);
- if (res_buf == NULL)
- return -1;
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- iwr.u.data.pointer = res_buf;
- iwr.u.data.length = res_buf_len;
-
- if (ioctl(drv->ioctl_sock, SIOCGIWSCAN, &iwr) == 0)
- break;
-
- if (errno == E2BIG && res_buf_len < 65535) {
- os_free(res_buf);
- res_buf = NULL;
- res_buf_len *= 2;
- if (res_buf_len > 65535)
- res_buf_len = 65535; /* 16-bit length field */
- wpa_printf(MSG_DEBUG, "Scan results did not fit - "
- "trying larger buffer (%lu bytes)",
- (unsigned long) res_buf_len);
- } else {
- perror("ioctl[SIOCGIWSCAN]");
- os_free(res_buf);
- return -1;
- }
- }
-
- if (iwr.u.data.length > res_buf_len) {
- os_free(res_buf);
- return -1;
- }
-
- res = i802_parse_scan(drv, res_buf, iwr.u.data.length);
- os_free(res_buf);
-
- return res;
-}
-
-
-static int i802_is_event_wireless_scan_complete(char *data, int len)
-{
- struct iw_event iwe_buf, *iwe = &iwe_buf;
- char *pos, *end;
-
- pos = data;
- end = data + len;
-
- while (pos + IW_EV_LCP_LEN <= end) {
- /* Event data may be unaligned, so make a local, aligned copy
- * before processing. */
- os_memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
- if (iwe->cmd == SIOCGIWSCAN)
- return 1;
-
- pos += iwe->len;
- }
-
- return 0;
-}
-
-
-static int i802_is_rtm_scan_complete(int ifindex, struct nlmsghdr *h, int len)
-{
- struct ifinfomsg *ifi;
- int attrlen, _nlmsg_len, rta_len;
- struct rtattr *attr;
-
- if (len < (int) sizeof(*ifi))
- return 0;
-
- ifi = NLMSG_DATA(h);
-
- if (ifindex != ifi->ifi_index)
- return 0; /* event for foreign ifindex */
-
- _nlmsg_len = NLMSG_ALIGN(sizeof(struct ifinfomsg));
-
- attrlen = h->nlmsg_len - _nlmsg_len;
- if (attrlen < 0)
- return 0;
-
- attr = (struct rtattr *) (((char *) ifi) + _nlmsg_len);
-
- rta_len = RTA_ALIGN(sizeof(struct rtattr));
- while (RTA_OK(attr, attrlen)) {
- if (attr->rta_type == IFLA_WIRELESS &&
- i802_is_event_wireless_scan_complete(
- ((char *) attr) + rta_len,
- attr->rta_len - rta_len))
- return 1;
- attr = RTA_NEXT(attr, attrlen);
- }
-
- return 0;
-}
-
-
-static int i802_is_scan_complete(int s, int ifindex)
-{
- char buf[1024];
- int left;
- struct nlmsghdr *h;
-
- left = recv(s, buf, sizeof(buf), MSG_DONTWAIT);
- if (left < 0) {
- perror("recv(netlink)");
- return 0;
- }
-
- h = (struct nlmsghdr *) buf;
- while (left >= (int) sizeof(*h)) {
- int len, plen;
-
- len = h->nlmsg_len;
- plen = len - sizeof(*h);
- if (len > left || plen < 0) {
- wpa_printf(MSG_DEBUG, "Malformed netlink message: "
- "len=%d left=%d plen=%d",
- len, left, plen);
- break;
- }
-
- switch (h->nlmsg_type) {
- case RTM_NEWLINK:
- if (i802_is_rtm_scan_complete(ifindex, h, plen))
- return 1;
- break;
- }
+ if (cts >= 0)
+ NLA_PUT_U8(msg, NL80211_ATTR_BSS_CTS_PROT, cts);
+ if (preamble >= 0)
+ NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble);
+ if (slot >= 0)
+ NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot);
- len = NLMSG_ALIGN(len);
- left -= len;
- h = (struct nlmsghdr *) ((char *) h + len);
- }
+ /* TODO: multi-BSS support */
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(drv->ifname));
- return 0;
+ return send_and_recv_msgs(drv, msg, NULL, NULL);
+ nla_put_failure:
+ return -ENOBUFS;
}
-static int i802_ht_scan(struct wpa_driver_nl80211_data *drv)
+static int i802_set_cts_protect(void *priv, int value)
{
- struct iwreq iwr;
- int s, res, ifindex;
- struct sockaddr_nl local;
- time_t now, end;
- fd_set rfds;
- struct timeval tv;
-
- wpa_printf(MSG_DEBUG, "nl80211: Scanning overlapping BSSes before "
- "starting HT 20/40 MHz BSS");
-
- /* Request a new scan */
- /* TODO: would be enough to scan the selected band */
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- if (ioctl(drv->ioctl_sock, SIOCSIWSCAN, &iwr) < 0) {
- perror("ioctl[SIOCSIWSCAN]");
- return -1;
- }
-
- ifindex = if_nametoindex(drv->ifname);
-
- /* Wait for scan completion event or timeout */
- s = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
- if (s < 0) {
- perror("socket(PF_NETLINK,SOCK_RAW,NETLINK_ROUTE)");
- return -1;
- }
-
- os_memset(&local, 0, sizeof(local));
- local.nl_family = AF_NETLINK;
- local.nl_groups = RTMGRP_LINK;
- if (bind(s, (struct sockaddr *) &local, sizeof(local)) < 0) {
- perror("bind(netlink)");
- close(s);
- return -1;
- }
-
- time(&end);
- end += 30; /* Wait at most 30 seconds for scan results */
- for (;;) {
- time(&now);
- tv.tv_sec = end > now ? end - now : 0;
- tv.tv_usec = 0;
- FD_ZERO(&rfds);
- FD_SET(s, &rfds);
- res = select(s + 1, &rfds, NULL, NULL, &tv);
- if (res < 0) {
- perror("select");
- /* Assume results are ready after 10 seconds wait */
- os_sleep(10, 0);
- break;
- } else if (res) {
- if (i802_is_scan_complete(s, ifindex)) {
- wpa_printf(MSG_DEBUG, "nl80211: Scan "
- "completed");
- break;
- }
- } else {
- wpa_printf(MSG_DEBUG, "nl80211: Scan timeout");
- /* Assume results are ready to be read now */
- break;
- }
- }
-
- close(s);
-
- return i802_get_ht_scan_res(drv);
+ return i802_set_bss(priv, value, -1, -1);
}
-#endif /* CONFIG_IEEE80211N */
-static int i802_init_sockets(struct wpa_driver_nl80211_data *drv, const u8 *bssid)
+static int i802_set_preamble(void *priv, int value)
{
- struct ifreq ifr;
- int ret;
-
- drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
- if (drv->ioctl_sock < 0) {
- perror("socket[PF_INET,SOCK_DGRAM]");
- return -1;
- }
+ return i802_set_bss(priv, -1, value, -1);
+}
- /* start listening for EAPOL on the default AP interface */
- add_ifidx(drv, if_nametoindex(drv->ifname));
- if (hostapd_set_iface_flags(drv, drv->ifname, 0))
- return -1;
+static int i802_set_short_slot_time(void *priv, int value)
+{
+ return i802_set_bss(priv, -1, -1, value);
+}
- if (bssid) {
- os_strlcpy(ifr.ifr_name, drv->ifname, IFNAMSIZ);
- memcpy(ifr.ifr_hwaddr.sa_data, bssid, ETH_ALEN);
- ifr.ifr_hwaddr.sa_family = ARPHRD_ETHER;
- if (ioctl(drv->ioctl_sock, SIOCSIFHWADDR, &ifr)) {
- perror("ioctl(SIOCSIFHWADDR)");
- return -1;
- }
+static enum nl80211_iftype i802_if_type(enum hostapd_driver_if_type type)
+{
+ switch (type) {
+ case HOSTAPD_IF_VLAN:
+ return NL80211_IFTYPE_AP_VLAN;
}
+ return -1;
+}
- /*
- * initialise generic netlink and nl80211
- */
- drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
- if (!drv->nl_cb) {
- printf("Failed to allocate netlink callbacks.\n");
- return -1;
- }
- drv->nl_handle = nl_handle_alloc_cb(drv->nl_cb);
- if (!drv->nl_handle) {
- printf("Failed to allocate netlink handle.\n");
+static int i802_if_add(const char *iface, void *priv,
+ enum hostapd_driver_if_type type, char *ifname,
+ const u8 *addr)
+{
+ if (nl80211_create_iface(priv, ifname, i802_if_type(type), addr) < 0)
return -1;
- }
+ return 0;
+}
- if (genl_connect(drv->nl_handle)) {
- printf("Failed to connect to generic netlink.\n");
- return -1;
- }
-#ifdef CONFIG_LIBNL20
- if (genl_ctrl_alloc_cache(drv->nl_handle, &drv->nl_cache) < 0) {
- printf("Failed to allocate generic netlink cache.\n");
- return -1;
- }
-#else /* CONFIG_LIBNL20 */
- drv->nl_cache = genl_ctrl_alloc_cache(drv->nl_handle);
- if (!drv->nl_cache) {
- printf("Failed to allocate generic netlink cache.\n");
- return -1;
- }
-#endif /* CONFIG_LIBNL20 */
+static int i802_if_update(void *priv, enum hostapd_driver_if_type type,
+ char *ifname, const u8 *addr)
+{
+ /* unused at the moment */
+ return -1;
+}
- drv->nl80211 = genl_ctrl_search_by_name(drv->nl_cache, "nl80211");
- if (!drv->nl80211) {
- printf("nl80211 not found.\n");
- return -1;
- }
- ret = nl_get_multicast_id(drv, "nl80211", "scan");
- if (ret >= 0)
- ret = nl_socket_add_membership(drv->nl_handle, ret);
- if (ret < 0) {
- wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
- "membership for scan events: %d (%s)",
- ret, strerror(-ret));
- }
+static int i802_if_remove(void *priv, enum hostapd_driver_if_type type,
+ const char *ifname, const u8 *addr)
+{
+ nl80211_remove_iface(priv, if_nametoindex(ifname));
+ return 0;
+}
- ret = nl_get_multicast_id(drv, "nl80211", "mlme");
- if (ret >= 0)
- ret = nl_socket_add_membership(drv->nl_handle, ret);
- if (ret < 0) {
- wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
- "membership for mlme events: %d (%s)",
- ret, strerror(-ret));
- }
- eloop_register_read_sock(nl_socket_get_fd(drv->nl_handle),
- wpa_driver_nl80211_event_receive, drv,
- drv->hapd);
+static int i802_set_sta_vlan(void *priv, const u8 *addr,
+ const char *ifname, int vlan_id)
+{
+ struct wpa_driver_nl80211_data *drv = priv;
+ struct nl_msg *msg;
-#ifdef CONFIG_IEEE80211N
- if (drv->ht_40mhz_scan) {
- if (nl80211_set_mode(drv, drv->ifname, NL80211_IFTYPE_STATION)
- || hostapd_set_iface_flags(drv, drv->ifname, 1) ||
- i802_ht_scan(drv) ||
- hostapd_set_iface_flags(drv, drv->ifname, 0)) {
- wpa_printf(MSG_ERROR, "Failed to scan channels for "
- "HT 40 MHz operations");
- return -1;
- }
- }
-#endif /* CONFIG_IEEE80211N */
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -ENOMEM;
- /* Initialise a monitor interface */
- if (nl80211_create_monitor_interface(drv))
- return -1;
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+ 0, NL80211_CMD_SET_STATION, 0);
- if (nl80211_set_mode(drv, drv->ifname, NL80211_IFTYPE_AP))
- goto fail1;
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
+ if_nametoindex(drv->ifname));
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
+ if_nametoindex(ifname));
- if (hostapd_set_iface_flags(drv, drv->ifname, 1))
- goto fail1;
+ return send_and_recv_msgs(drv, msg, NULL, NULL);
+ nla_put_failure:
+ return -ENOBUFS;
+}
- drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
- if (drv->eapol_sock < 0) {
- perror("socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE)");
- goto fail1;
- }
- if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
- {
- printf("Could not register read socket for eapol\n");
- return -1;
- }
+static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
+{
+ struct wpa_driver_nl80211_data *drv = eloop_ctx;
+ struct sockaddr_ll lladdr;
+ unsigned char buf[3000];
+ int len;
+ socklen_t fromlen = sizeof(lladdr);
- memset(&ifr, 0, sizeof(ifr));
- os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
- if (ioctl(drv->ioctl_sock, SIOCGIFHWADDR, &ifr) != 0) {
- perror("ioctl(SIOCGIFHWADDR)");
- goto fail1;
+ len = recvfrom(sock, buf, sizeof(buf), 0,
+ (struct sockaddr *)&lladdr, &fromlen);
+ if (len < 0) {
+ perror("recv");
+ return;
}
- if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) {
- printf("Invalid HW-addr family 0x%04x\n",
- ifr.ifr_hwaddr.sa_family);
- goto fail1;
+ if (have_ifidx(drv, lladdr.sll_ifindex)) {
+ void *ctx;
+ ctx = hostapd_sta_get_bss(drv->ctx, lladdr.sll_addr);
+ if (!ctx)
+ return;
+ hostapd_eapol_receive(ctx, lladdr.sll_addr, buf, len);
}
- memcpy(drv->hapd->own_addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
-
- return 0;
-
-fail1:
- nl80211_remove_iface(drv, drv->monitor_ifidx);
- return -1;
}
}
-static int i802_sta_deauth(void *priv, const u8 *addr, int reason)
+static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
+ int reason)
{
struct wpa_driver_nl80211_data *drv = priv;
struct ieee80211_mgmt mgmt;
mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_DEAUTH);
memcpy(mgmt.da, addr, ETH_ALEN);
- memcpy(mgmt.sa, drv->hapd->own_addr, ETH_ALEN);
- memcpy(mgmt.bssid, drv->hapd->own_addr, ETH_ALEN);
+ memcpy(mgmt.sa, own_addr, ETH_ALEN);
+ memcpy(mgmt.bssid, own_addr, ETH_ALEN);
mgmt.u.deauth.reason_code = host_to_le16(reason);
return wpa_driver_nl80211_send_mlme(drv, (u8 *) &mgmt,
IEEE80211_HDRLEN +
}
-static int i802_sta_disassoc(void *priv, const u8 *addr, int reason)
+static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
+ int reason)
{
struct wpa_driver_nl80211_data *drv = priv;
struct ieee80211_mgmt mgmt;
mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_DISASSOC);
memcpy(mgmt.da, addr, ETH_ALEN);
- memcpy(mgmt.sa, drv->hapd->own_addr, ETH_ALEN);
- memcpy(mgmt.bssid, drv->hapd->own_addr, ETH_ALEN);
+ memcpy(mgmt.sa, own_addr, ETH_ALEN);
+ memcpy(mgmt.bssid, own_addr, ETH_ALEN);
mgmt.u.disassoc.reason_code = host_to_le16(reason);
return wpa_driver_nl80211_send_mlme(drv, (u8 *) &mgmt,
IEEE80211_HDRLEN +
}
-static const struct hostapd_neighbor_bss *
-i802_get_neighbor_bss(void *priv, size_t *num)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- *num = drv->num_neighbors;
- return drv->neighbors;
-}
-
-
static void *i802_init(struct hostapd_data *hapd,
struct wpa_init_params *params)
{
struct wpa_driver_nl80211_data *drv;
size_t i;
- drv = os_zalloc(sizeof(struct wpa_driver_nl80211_data));
- if (drv == NULL) {
- printf("Could not allocate memory for i802 driver data\n");
+ drv = wpa_driver_nl80211_init(hapd, params->ifname);
+ if (drv == NULL)
return NULL;
- }
- drv->hapd = hapd;
- memcpy(drv->ifname, params->ifname, sizeof(drv->ifname));
- drv->ifindex = if_nametoindex(drv->ifname);
drv->bss.ifindex = drv->ifindex;
drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
if (params->bridge[i])
add_ifidx(drv, if_nametoindex(params->bridge[i]));
}
- drv->ht_40mhz_scan = params->ht_40mhz_scan;
- if (i802_init_sockets(drv, params->bssid))
- goto failed;
+ /* start listening for EAPOL on the default AP interface */
+ add_ifidx(drv, drv->ifindex);
- return drv;
+ if (params->bssid) {
+ if (hostapd_set_iface_flags(drv, drv->ifname, 0))
+ goto failed;
-failed:
- free(drv);
- return NULL;
-}
+ if (set_ifhwaddr(drv, drv->ifname, params->bssid))
+ goto failed;
+ }
+ if (nl80211_set_mode(drv, drv->ifindex, NL80211_IFTYPE_AP)) {
+ wpa_printf(MSG_ERROR, "nl80211: Failed to set interface %s "
+ "into AP mode", drv->ifname);
+ goto failed;
+ }
-static void i802_deinit(void *priv)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- struct i802_bss *bss, *prev;
+ if (hostapd_set_iface_flags(drv, drv->ifname, 1))
+ goto failed;
- if (drv->last_freq_ht) {
- /* Clear HT flags from the driver */
- struct hostapd_freq_params freq;
- os_memset(&freq, 0, sizeof(freq));
- freq.freq = drv->last_freq;
- i802_set_freq(priv, &freq);
+ drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
+ if (drv->eapol_sock < 0) {
+ perror("socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE)");
+ goto failed;
}
- i802_del_beacon(drv);
+ if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
+ {
+ printf("Could not register read socket for eapol\n");
+ goto failed;
+ }
- /* remove monitor interface */
- nl80211_remove_iface(drv, drv->monitor_ifidx);
+ if (get_ifhwaddr(drv, drv->ifname, params->own_addr))
+ goto failed;
- (void) hostapd_set_iface_flags(drv, drv->ifname, 0);
+ return drv;
- if (drv->monitor_sock >= 0) {
- eloop_unregister_read_sock(drv->monitor_sock);
- close(drv->monitor_sock);
- }
+failed:
+ nl80211_remove_monitor_interface(drv);
if (drv->ioctl_sock >= 0)
close(drv->ioctl_sock);
- if (drv->eapol_sock >= 0) {
- eloop_unregister_read_sock(drv->eapol_sock);
- close(drv->eapol_sock);
- }
- eloop_unregister_read_sock(nl_socket_get_fd(drv->nl_handle));
genl_family_put(drv->nl80211);
nl_cache_free(drv->nl_cache);
nl_handle_destroy(drv->nl_handle);
nl_cb_put(drv->nl_cb);
- if (drv->if_indices != drv->default_if_indices)
- free(drv->if_indices);
-
- os_free(drv->neighbors);
+ os_free(drv);
+ return NULL;
+}
- bss = drv->bss.next;
- while (bss) {
- prev = bss;
- bss = bss->next;
- os_free(bss);
- }
- free(drv);
+static void i802_deinit(void *priv)
+{
+ wpa_driver_nl80211_deinit(priv);
}
#endif /* HOSTAPD */
const struct wpa_driver_ops wpa_driver_nl80211_ops = {
.name = "nl80211",
.desc = "Linux nl80211/cfg80211",
+#ifndef HOSTAPD
.get_bssid = wpa_driver_nl80211_get_bssid,
.get_ssid = wpa_driver_nl80211_get_ssid,
.set_key = wpa_driver_nl80211_set_key,
+#endif /* HOSTAPD */
.scan2 = wpa_driver_nl80211_scan,
.get_scan_results2 = wpa_driver_nl80211_get_scan_results,
+#ifndef HOSTAPD
.deauthenticate = wpa_driver_nl80211_deauthenticate,
.disassociate = wpa_driver_nl80211_disassociate,
.authenticate = wpa_driver_nl80211_authenticate,
.deinit = wpa_driver_nl80211_deinit,
.get_capa = wpa_driver_nl80211_get_capa,
.set_operstate = wpa_driver_nl80211_set_operstate,
+#endif /* HOSTAPD */
.set_country = wpa_driver_nl80211_set_country,
+ .set_mode = wpa_driver_nl80211_set_mode,
#ifdef CONFIG_AP
.set_beacon = wpa_driver_nl80211_set_beacon,
#endif /* CONFIG_AP */
.send_mlme = wpa_driver_nl80211_send_mlme,
.set_beacon_int = wpa_driver_nl80211_set_beacon_int,
.get_hw_feature_data = wpa_driver_nl80211_get_hw_feature_data,
+ .sta_add = wpa_driver_nl80211_sta_add,
+ .sta_remove = wpa_driver_nl80211_sta_remove,
+ .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
+ .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
#endif /* CONFIG_AP || HOSTAPD */
#ifdef HOSTAPD
.hapd_init = i802_init,
.get_seqnum = i802_get_seqnum,
.flush = i802_flush,
.read_sta_data = i802_read_sta_data,
- .hapd_send_eapol = i802_send_eapol,
- .sta_set_flags = i802_sta_set_flags,
.sta_deauth = i802_sta_deauth,
.sta_disassoc = i802_sta_disassoc,
- .sta_remove = i802_sta_remove,
- .sta_add = i802_sta_add,
.get_inact_sec = i802_get_inact_sec,
.sta_clear_stats = i802_sta_clear_stats,
.set_freq = i802_set_freq,
.set_rts = i802_set_rts,
.set_frag = i802_set_frag,
- .set_retry = i802_set_retry,
.set_rate_sets = i802_set_rate_sets,
.hapd_set_beacon = i802_set_beacon,
.set_cts_protect = i802_set_cts_protect,
.if_update = i802_if_update,
.if_remove = i802_if_remove,
.set_sta_vlan = i802_set_sta_vlan,
- .get_neighbor_bss = i802_get_neighbor_bss,
#endif /* HOSTAPD */
};
projects / wpasupplicant / blobdiff