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openwrt-xburst/package/hostapd/patches/006-use-nl80211-for-sta.patch
nbd 3406861c45 update hostapd patches to the latest from http://johannes.sipsolutions.net/patches/hostap/all/2007-11-14-16:31/ 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9564 3c298f89-4303-0410-b956-a3cf2f4a3e73
2007-11-16 03:24:01 +00:00

414 lines
11 KiB
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---
hostapd/driver_devicescape.c | 332 ++++++++++++++++++++++++++++++++-----------
1 file changed, 251 insertions(+), 81 deletions(-)
--- hostap.orig/hostapd/driver_devicescape.c 2007-11-14 17:31:15.000000000 +0100
+++ hostap/hostapd/driver_devicescape.c 2007-11-14 17:31:16.000000000 +0100
@@ -75,8 +75,14 @@ struct i802_driver_data {
#define HAPD_DECL struct hostapd_data *hapd = iface->bss[0]
-static int i802_sta_set_flags(void *priv, const u8 *addr,
- int total_flags, int flags_or, int flags_and);
+/* helper for netlink get routines */
+static int ack_wait_handler(struct nl_msg *msg, void *arg)
+{
+ int *finished = arg;
+
+ *finished = 1;
+ return NL_STOP;
+}
static int hostapd_set_iface_flags(struct i802_driver_data *drv, int dev_up)
@@ -255,14 +261,6 @@ static int get_key_handler(struct nl_msg
return NL_SKIP;
}
-static int ack_wait_handler(struct nl_msg *msg, void *arg)
-{
- int *finished = arg;
-
- *finished = 1;
- return NL_STOP;
-}
-
static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
int idx, u8 *seq)
{
@@ -629,43 +627,126 @@ static int i802_get_retry(void *priv, in
static int i802_flush(void *priv)
{
struct i802_driver_data *drv = priv;
- struct prism2_hostapd_param param;
+ struct nl_msg *msg;
+ int ret = -1;
- memset(&param, 0, sizeof(param));
- param.cmd = PRISM2_HOSTAPD_FLUSH;
- return hostapd_ioctl(drv, &param, sizeof(param));
+ msg = nlmsg_alloc();
+ if (!msg)
+ goto out;
+
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+ 0, NL80211_CMD_NEW_STATION, 0);
+
+ /*
+ * XXX: FIX! this needs to flush all VLANs too
+ */
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
+ if_nametoindex(drv->iface));
+
+ ret = 0;
+
+ if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
+ nl_wait_for_ack(drv->nl_handle) < 0) {
+ ret = -1;
+ }
+
+ nla_put_failure:
+ nlmsg_free(msg);
+
+ out:
+ return ret;
}
+static int get_sta_handler(struct nl_msg *msg, void *arg)
+{
+ struct nlattr *tb[NL80211_ATTR_MAX + 1];
+ struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+ struct hostap_sta_driver_data *data = arg;
+ struct nlattr *stats[NL80211_STA_STAT_MAX + 1];
+ static struct nla_policy stats_policy[NL80211_STA_STAT_MAX + 1] = {
+ [NL80211_STA_STAT_INACTIVE_TIME] = { .type = NLA_U32 },
+ [NL80211_STA_STAT_RX_BYTES] = { .type = NLA_U32 },
+ [NL80211_STA_STAT_TX_BYTES] = { .type = NLA_U32 },
+ };
+
+ nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+ genlmsg_attrlen(gnlh, 0), NULL);
+
+ /*
+ * TODO: validate the interface and mac address!
+ * Otherwise, there's a race condition as soon as
+ * the kernel starts sending station notifications.
+ */
+
+ if (!tb[NL80211_ATTR_STA_STATS]) {
+ printf("sta stats missing!\n");
+ return NL_SKIP;
+ }
+ if (nla_parse_nested(stats, NL80211_STA_STAT_MAX,
+ tb[NL80211_ATTR_STA_STATS],
+ stats_policy)) {
+ printf("failed to parse nested attributes!\n");
+ return NL_SKIP;
+ }
+
+ if (stats[NL80211_STA_STAT_INACTIVE_TIME])
+ data->inactive_msec =
+ nla_get_u32(stats[NL80211_STA_STAT_INACTIVE_TIME]);
+ if (stats[NL80211_STA_STAT_RX_BYTES])
+ data->rx_bytes = nla_get_u32(stats[NL80211_STA_STAT_RX_BYTES]);
+ if (stats[NL80211_STA_STAT_TX_BYTES])
+ data->rx_bytes = nla_get_u32(stats[NL80211_STA_STAT_TX_BYTES]);
+
+ return NL_SKIP;
+}
+
static int i802_read_sta_data(void *priv, struct hostap_sta_driver_data *data,
const u8 *addr)
{
struct i802_driver_data *drv = priv;
- struct prism2_hostapd_param param;
+ struct nl_msg *msg;
+ struct nl_cb *cb = NULL;
+ int ret = -1;
+ int err = 0;
+ int finished = 0;
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ goto out;
- memset(data, 0, sizeof(*data));
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+ 0, NL80211_CMD_GET_STATION, 0);
- memset(&param, 0, sizeof(param));
- param.cmd = PRISM2_HOSTAPD_GET_INFO_STA;
- memcpy(param.sta_addr, addr, ETH_ALEN);
- if (hostapd_ioctl(drv, &param, sizeof(param))) {
- printf(" Could not get station info from kernel driver.\n");
- return -1;
- }
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(drv->iface));
+
+ cb = nl_cb_alloc(NL_CB_CUSTOM);
+ if (!cb)
+ goto out;
+
+ if (nl_send_auto_complete(drv->nl_handle, msg) < 0)
+ goto out;
+
+ nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, get_sta_handler, data);
+ nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_wait_handler, &finished);
+
+ err = nl_recvmsgs(drv->nl_handle, cb);
+
+ if (!finished)
+ err = nl_wait_for_ack(drv->nl_handle);
+
+ if (err < 0)
+ goto out;
+
+ ret = 0;
+
+ out:
+ nl_cb_put(cb);
+ nla_put_failure:
+ nlmsg_free(msg);
+ return ret;
- data->inactive_msec = param.u.get_info_sta.inactive_msec;
- data->rx_packets = param.u.get_info_sta.rx_packets;
- data->tx_packets = param.u.get_info_sta.tx_packets;
- data->rx_bytes = param.u.get_info_sta.rx_bytes;
- data->tx_bytes = param.u.get_info_sta.tx_bytes;
- data->current_tx_rate = param.u.get_info_sta.current_tx_rate;
- data->flags = param.u.get_info_sta.flags;
- data->num_ps_buf_frames = param.u.get_info_sta.num_ps_buf_frames;
- data->tx_retry_failed = param.u.get_info_sta.tx_retry_failed;
- data->tx_retry_count = param.u.get_info_sta.tx_retry_count;
- data->last_rssi = param.u.get_info_sta.last_rssi;
- data->last_ack_rssi = param.u.get_info_sta.last_ack_rssi;
- return 0;
}
@@ -744,35 +825,70 @@ static int i802_sta_add(const char *ifna
size_t supp_rates_len, int flags)
{
struct i802_driver_data *drv = priv;
- struct prism2_hostapd_param param;
- size_t len;
+ struct nl_msg *msg;
+ int ret = -1;
- memset(&param, 0, sizeof(param));
- param.cmd = PRISM2_HOSTAPD_ADD_STA;
- memcpy(param.sta_addr, addr, ETH_ALEN);
- param.u.add_sta.aid = aid;
- param.u.add_sta.capability = capability;
- len = supp_rates_len;
- if (len > sizeof(param.u.add_sta.supp_rates))
- len = sizeof(param.u.add_sta.supp_rates);
- memcpy(param.u.add_sta.supp_rates, supp_rates, len);
- return hostapd_ioctl_iface(ifname, drv, &param, sizeof(param));
+ msg = nlmsg_alloc();
+ if (!msg)
+ goto out;
+
+ 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(drv->iface));
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+ NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, aid);
+ NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_RATES, supp_rates_len,
+ supp_rates);
+ NLA_PUT_U16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL, 0);
+
+ ret = nl_send_auto_complete(drv->nl_handle, msg);
+ if (ret < 0)
+ goto nla_put_failure;
+
+ ret = nl_wait_for_ack(drv->nl_handle);
+ /* ignore EEXIST, this happens if a STA associates while associated */
+ if (ret == -EEXIST || ret >= 0)
+ ret = 0;
+
+ nla_put_failure:
+ nlmsg_free(msg);
+
+ out:
+ return ret;
}
static int i802_sta_remove(void *priv, const u8 *addr)
{
struct i802_driver_data *drv = priv;
- struct prism2_hostapd_param param;
+ struct nl_msg *msg;
+ int ret = -1;
- i802_sta_set_flags(drv, addr, 0, 0, ~WLAN_STA_AUTHORIZED);
+ msg = nlmsg_alloc();
+ if (!msg)
+ goto out;
- memset(&param, 0, sizeof(param));
- param.cmd = PRISM2_HOSTAPD_REMOVE_STA;
- memcpy(param.sta_addr, addr, ETH_ALEN);
- if (hostapd_ioctl(drv, &param, sizeof(param)))
- return -1;
- return 0;
+ 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->iface));
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+
+ ret = 0;
+
+ if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
+ nl_wait_for_ack(drv->nl_handle) < 0) {
+ ret = -1;
+ }
+
+ nla_put_failure:
+ nlmsg_free(msg);
+
+ out:
+ return ret;
}
@@ -780,14 +896,51 @@ static int i802_sta_set_flags(void *priv
int total_flags, int flags_or, int flags_and)
{
struct i802_driver_data *drv = priv;
- struct prism2_hostapd_param param;
+ struct nl_msg *msg, *flags = NULL;
+ int ret = -1;
- memset(&param, 0, sizeof(param));
- param.cmd = PRISM2_HOSTAPD_SET_FLAGS_STA;
- memcpy(param.sta_addr, addr, ETH_ALEN);
- param.u.set_flags_sta.flags_or = flags_or;
- param.u.set_flags_sta.flags_and = flags_and;
- return hostapd_ioctl(drv, &param, sizeof(param));
+ msg = nlmsg_alloc();
+ if (!msg)
+ goto out;
+
+ flags = nlmsg_alloc();
+ if (!flags)
+ goto free_msg;
+
+ 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->iface));
+ 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_WME)
+ 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 (nla_put_nested(msg, NL80211_ATTR_STA_FLAGS, flags))
+ goto nla_put_failure;
+
+ ret = 0;
+
+ if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
+ nl_wait_for_ack(drv->nl_handle) < 0) {
+ ret = -1;
+ }
+
+ nla_put_failure:
+ nlmsg_free(flags);
+
+ free_msg:
+ nlmsg_free(msg);
+
+ out:
+ return ret;
}
@@ -1257,18 +1410,38 @@ static struct hostapd_hw_modes * i802_ge
}
-static int i802_set_sta_vlan(void *priv, const u8 *addr, const char *ifname,
- int vlan_id)
+static int i802_set_sta_vlan(void *priv, const u8 *addr,
+ const char *ifname, int vlan_id)
{
struct i802_driver_data *drv = priv;
- struct prism2_hostapd_param param;
+ struct nl_msg *msg;
+ int ret = -1;
- memset(&param, 0, sizeof(param));
- param.cmd = PRISM2_HOSTAPD_SET_STA_VLAN;
- memcpy(param.sta_addr, addr, ETH_ALEN);
- os_strlcpy(param.u.set_sta_vlan.vlan_name, ifname, IFNAMSIZ);
- param.u.set_sta_vlan.vlan_id = vlan_id;
- return hostapd_ioctl(drv, &param, sizeof(param));
+ msg = nlmsg_alloc();
+ if (!msg)
+ goto out;
+
+ 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->iface));
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
+ if_nametoindex(ifname));
+
+ ret = 0;
+
+ if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
+ nl_wait_for_ack(drv->nl_handle) < 0) {
+ ret = -1;
+ }
+
+ nla_put_failure:
+ nlmsg_free(msg);
+
+ out:
+ return ret;
}
@@ -1752,17 +1925,14 @@ static int i802_init_sockets(struct i802
static int i802_get_inact_sec(void *priv, const u8 *addr)
{
- struct i802_driver_data *drv = priv;
- struct prism2_hostapd_param param;
+ struct hostap_sta_driver_data data;
+ int ret;
- memset(&param, 0, sizeof(param));
- param.cmd = PRISM2_HOSTAPD_GET_INFO_STA;
- memcpy(param.sta_addr, addr, ETH_ALEN);
- if (hostapd_ioctl(drv, &param, sizeof(param))) {
+ data.inactive_msec = -1;
+ ret = i802_read_sta_data(priv, &data, addr);
+ if (ret || data.inactive_msec == -1)
return -1;
- }
-
- return param.u.get_info_sta.inactive_msec / 1000;
+ return data.inactive_msec / 1000;
}
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