#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 "eloop.h"
#include "common/ieee802_11_defs.h"
#include "netlink.h"
+#include "linux_ioctl.h"
#include "radiotap.h"
#include "radiotap_iter.h"
#include "driver.h"
int monitor_sock;
int monitor_ifidx;
int probe_req_report;
+ int disable_11b_rates;
unsigned int beacon_set:1;
unsigned int pending_remain_on_chan:1;
static void wpa_driver_nl80211_probe_req_report_timeout(void *eloop_ctx,
void *timeout_ctx);
+static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
+ int ifindex, int disabled);
/* nl80211 code */
}
-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;
-}
-
-
static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
{
struct wpa_driver_nl80211_data *drv = priv;
}
-static int hostapd_set_iface_flags(struct wpa_driver_nl80211_data *drv,
- const char *ifname, int dev_up)
-{
- struct ifreq ifr;
-
- if (drv->ioctl_sock < 0)
- return -1;
-
- os_memset(&ifr, 0, sizeof(ifr));
- os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
-
- if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, &ifr) != 0) {
- perror("ioctl[SIOCGIFFLAGS]");
- wpa_printf(MSG_DEBUG, "Could not read interface flags (%s)",
- ifname);
- return -1;
- }
-
- if (dev_up) {
- if (ifr.ifr_flags & IFF_UP)
- return 0;
- ifr.ifr_flags |= IFF_UP;
- } else {
- if (!(ifr.ifr_flags & IFF_UP))
- return 0;
- ifr.ifr_flags &= ~IFF_UP;
- }
-
- if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, &ifr) != 0) {
- perror("ioctl[SIOCSIFFLAGS]");
- return -1;
- }
-
- return 0;
-}
-
-
/**
* wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
* @priv: driver_nl80211 private data
"use managed mode");
}
- if (hostapd_set_iface_flags(drv, drv->ifname, 1)) {
- wpa_printf(MSG_ERROR, "Could not set interface '%s' "
- "UP", drv->ifname);
+ if (linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 1)) {
+ wpa_printf(MSG_ERROR, "Could not set interface '%s' UP",
+ drv->ifname);
return -1;
}
wpa_driver_nl80211_free_bss(drv);
#endif /* HOSTAPD */
+ if (drv->disable_11b_rates)
+ nl80211_disable_11b_rates(drv, drv->ifindex, 0);
+
netlink_send_oper_ifla(drv->netlink, drv->ifindex, 0, IF_OPER_UP);
netlink_deinit(drv->netlink);
eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
- (void) hostapd_set_iface_flags(drv, drv->ifname, 0);
+ (void) linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 0);
wpa_driver_nl80211_set_mode(drv, IEEE80211_MODE_INFRA);
if (drv->ioctl_sock >= 0)
#endif /* HOSTAPD */
if (addr && iftype != NL80211_IFTYPE_MONITOR &&
- set_ifhwaddr(drv, ifname, addr)) {
+ linux_set_ifhwaddr(drv->ioctl_sock, ifname, addr)) {
nl80211_remove_iface(drv, ifidx);
return -1;
}
wds);
}
+ if (ret >= 0 && drv->disable_11b_rates)
+ nl80211_disable_11b_rates(drv, ret, 1);
+
return ret;
}
if (drv->monitor_ifidx < 0)
return -1;
- if (hostapd_set_iface_flags(drv, buf, 1))
+ if (linux_set_iface_flags(drv->ioctl_sock, buf, 1))
goto error;
memset(&ll, 0, sizeof(ll));
* 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) {
+ if (linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 0) == 0) {
/* Try to set the mode again while the interface is down */
ret = nl80211_set_mode(drv, drv->ifindex, nlmode);
- if (hostapd_set_iface_flags(drv, drv->ifname, 1))
+ if (linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 1))
ret = -1;
}
if (nl80211_create_iface(priv, name, NL80211_IFTYPE_AP_VLAN,
NULL, 1) < 0)
return -1;
- hostapd_set_iface_flags(drv, name, 1);
+ linux_set_iface_flags(drv->ioctl_sock, name, 1);
return i802_set_sta_vlan(priv, addr, name, 0);
} else {
i802_set_sta_vlan(priv, addr, drv->ifname, 0);
/* start listening for EAPOL on the default AP interface */
add_ifidx(drv, drv->ifindex);
- if (hostapd_set_iface_flags(drv, drv->ifname, 0))
+ if (linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 0))
goto failed;
if (params->bssid) {
- if (set_ifhwaddr(drv, drv->ifname, params->bssid))
+ if (linux_set_ifhwaddr(drv->ioctl_sock, drv->ifname,
+ params->bssid))
goto failed;
}
goto failed;
}
- if (hostapd_set_iface_flags(drv, drv->ifname, 1))
+ if (linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 1))
goto failed;
drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
goto failed;
}
- if (get_ifhwaddr(drv, drv->ifname, params->own_addr))
+ if (linux_get_ifhwaddr(drv->ioctl_sock, drv->ifname, params->own_addr))
goto failed;
return drv;
#ifdef HOSTAPD
if (type == WPA_IF_AP_BSS) {
- if (hostapd_set_iface_flags(priv, ifname, 1)) {
- nl80211_remove_iface(priv, ifidx);
+ if (linux_set_iface_flags(drv->ioctl_sock, ifname, 1)) {
+ nl80211_remove_iface(drv, ifidx);
os_free(bss);
return -1;
}
{
struct wpa_driver_nl80211_data *drv = priv;
- if (get_ifhwaddr(drv, drv->ifname, addr) < 0)
+ if (linux_get_ifhwaddr(drv->ioctl_sock, drv->ifname, addr) < 0)
return -1;
if (addr[0] & 0x02) {
}
+static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
+ int ifindex, int disabled)
+{
+ struct nl_msg *msg;
+ struct nlattr *bands, *band;
+ int ret;
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -1;
+
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+ NL80211_CMD_SET_TX_BITRATE_MASK, 0);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
+
+ bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
+ if (!bands)
+ goto nla_put_failure;
+
+ /*
+ * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
+ * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
+ * rates. All 5 GHz rates are left enabled.
+ */
+ band = nla_nest_start(msg, NL80211_BAND_2GHZ);
+ if (!band)
+ goto nla_put_failure;
+ NLA_PUT(msg, NL80211_TXRATE_LEGACY, 8,
+ "\x0c\x12\x18\x24\x30\x48\x60\x6c");
+ nla_nest_end(msg, band);
+
+ nla_nest_end(msg, bands);
+
+ ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+ msg = NULL;
+ if (ret) {
+ wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
+ "(%s)", ret, strerror(-ret));
+ }
+
+ return ret;
+
+nla_put_failure:
+ nlmsg_free(msg);
+ return -1;
+}
+
+
+static int wpa_driver_nl80211_disable_11b_rates(void *priv, int disabled)
+{
+ struct wpa_driver_nl80211_data *drv = priv;
+ drv->disable_11b_rates = disabled;
+ return nl80211_disable_11b_rates(drv, drv->ifindex, disabled);
+}
+
+
const struct wpa_driver_ops wpa_driver_nl80211_ops = {
.name = "nl80211",
.desc = "Linux nl80211/cfg80211",
.probe_req_report = wpa_driver_nl80211_probe_req_report,
.alloc_interface_addr = wpa_driver_nl80211_alloc_interface_addr,
.release_interface_addr = wpa_driver_nl80211_release_interface_addr,
+ .disable_11b_rates = wpa_driver_nl80211_disable_11b_rates,
};
projects / libeap.git / blobdiff