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nl80211: Add .get_mac_addr() callback for P2P Device

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For P2P Device the MAC address is determined upon .init2(). The
wpa_s for this interface retrieves this address in
wpa_supplicant_update_mac_addr() using the .get_mac_addr() callback.

Signed-hostap: Arend van Spriel <arend@broadcom.com>
This commit is contained in:
Arend van Spriel 2013-06-25 13:50:21 +03:00 committed by Jouni Malinen
parent 8e12685c43
commit 597b94f5f4
1 changed files with 47 additions and 1 deletions
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48
src/drivers/driver_nl80211.c
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@ -671,6 +671,7 @@ static void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
struct wiphy_idx_data {
int wiphy_idx;
enum nl80211_iftype nlmode;
u8 *macaddr;
};
@ -689,6 +690,10 @@ static int netdev_info_handler(struct nl_msg *msg, void *arg)
if (tb[NL80211_ATTR_IFTYPE])
info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
if (tb[NL80211_ATTR_MAC] && info->macaddr)
os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
ETH_ALEN);
return NL_SKIP;
}
@ -698,6 +703,7 @@ static int nl80211_get_wiphy_index(struct i802_bss *bss)
struct nl_msg *msg;
struct wiphy_idx_data data = {
.wiphy_idx = -1,
.macaddr = NULL,
};
msg = nlmsg_alloc();
@ -721,7 +727,8 @@ static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
{
struct nl_msg *msg;
struct wiphy_idx_data data = {
.wiphy_idx = -1,
.nlmode = NL80211_IFTYPE_UNSPECIFIED,
.macaddr = NULL,
};
msg = nlmsg_alloc();
@ -742,6 +749,31 @@ nla_put_failure:
}
#ifndef HOSTAPD
static int nl80211_get_macaddr(struct i802_bss *bss)
{
struct nl_msg *msg;
struct wiphy_idx_data data = {
.macaddr = bss->addr,
};
msg = nlmsg_alloc();
if (!msg)
return NL80211_IFTYPE_UNSPECIFIED;
nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
if (nl80211_set_iface_id(msg, bss) < 0)
goto nla_put_failure;
return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
nla_put_failure:
nlmsg_free(msg);
return NL80211_IFTYPE_UNSPECIFIED;
}
#endif /* HOSTAPD */
static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
struct nl80211_wiphy_data *w)
{
@ -4019,6 +4051,7 @@ wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv)
int ret = nl80211_set_p2pdev(bss, 1);
if (ret < 0)
wpa_printf(MSG_ERROR, "nl80211: Could not start P2P device");
nl80211_get_macaddr(bss);
return ret;
}
@ -10407,6 +10440,18 @@ nla_put_failure:
}
const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
{
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;
if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
return NULL;
return bss->addr;
}
const struct wpa_driver_ops wpa_driver_nl80211_ops = {
.name = "nl80211",
.desc = "Linux nl80211/cfg80211",
@ -10486,4 +10531,5 @@ const struct wpa_driver_ops wpa_driver_nl80211_ops = {
.tdls_oper = nl80211_tdls_oper,
#endif /* CONFIG_TDLS */
.update_ft_ies = wpa_driver_nl80211_update_ft_ies,
.get_mac_addr = wpa_driver_nl80211_get_macaddr,
};