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nl80211: Use nl80211_bss_msg() helper

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Use the helper function to replace places that use nlmsg_alloc(),
nl80211_cmd(), and either bss->ifindex or if_nametoindex(bss->ifname).

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2014-12-06 16:27:26 +02:00
parent a3249fdfb8
commit 13f83980f0
1 changed files with 25 additions and 129 deletions
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154
src/drivers/driver_nl80211.c
View file

@ -1976,21 +1976,11 @@ static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
static int nl80211_register_spurious_class3(struct i802_bss *bss)
{
struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
int ret;
msg = nlmsg_alloc();
if (!msg)
return -1;
if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_UNEXPECTED_FRAME) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex)) {
nlmsg_free(msg);
return -1;
}
ret = send_and_recv(drv->global, bss->nl_mgmt, msg, NULL, NULL);
msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
if (ret) {
wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
"failed: ret=%d (%s)",
@ -3850,11 +3840,7 @@ static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
msg = nlmsg_alloc();
if (!msg)
return -ENOMEM;
if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_BSS) ||
if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
(cts >= 0 &&
nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
(preamble >= 0 &&
@ -3881,9 +3867,6 @@ static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
goto fail;
}
if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)))
goto fail;
return send_and_recv_msgs(drv, msg, NULL, NULL);
fail:
nlmsg_free(msg);
@ -3947,7 +3930,6 @@ static int wpa_driver_nl80211_set_ap(void *priv,
u8 cmd = NL80211_CMD_NEW_BEACON;
int ret;
int beacon_set;
int ifindex = if_nametoindex(bss->ifname);
int num_suites;
int smps_mode;
u32 suites[10], suite;
@ -3955,10 +3937,6 @@ static int wpa_driver_nl80211_set_ap(void *priv,
beacon_set = bss->beacon_set;
msg = nlmsg_alloc();
if (!msg)
return -ENOMEM;
wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
beacon_set);
if (beacon_set)
@ -3968,17 +3946,16 @@ static int wpa_driver_nl80211_set_ap(void *priv,
params->head, params->head_len);
wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
params->tail, params->tail_len);
wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", ifindex);
wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid",
params->ssid, params->ssid_len);
if (!nl80211_cmd(drv, msg, 0, cmd) ||
if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
params->head) ||
nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
params->tail) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex) ||
nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
params->beacon_int) ||
nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period) ||
@ -4314,16 +4291,11 @@ static int wpa_driver_nl80211_sta_add(void *priv,
!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
return -EOPNOTSUPP;
msg = nlmsg_alloc();
if (!msg)
return -ENOMEM;
wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
params->set ? "Set" : "Add", MAC2STR(params->addr));
if (!nl80211_cmd(drv, msg, 0, params->set ? NL80211_CMD_SET_STATION :
NL80211_CMD_NEW_STATION) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)) ||
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
NL80211_CMD_NEW_STATION);
if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
goto fail;
if (!params->set || (params->flags & WPA_STA_TDLS_PEER)) {
@ -4503,12 +4475,7 @@ static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
struct nl_msg *msg;
int ret;
msg = nlmsg_alloc();
if (!msg)
return -ENOMEM;
if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)) ||
if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
(deauth == 0 &&
nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
@ -4880,7 +4847,6 @@ static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
int flags_or, int flags_and)
{
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
struct nlattr *flags;
struct nl80211_sta_flag_update upd;
@ -4890,13 +4856,7 @@ static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
!!(total_flags & WPA_STA_AUTHORIZED));
msg = nlmsg_alloc();
if (!msg)
return -ENOMEM;
if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX,
if_nametoindex(bss->ifname)) ||
if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
goto fail;
@ -4926,7 +4886,7 @@ static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
goto fail;
return send_and_recv_msgs(drv, msg, NULL, NULL);
return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
fail:
nlmsg_free(msg);
return -ENOBUFS;
@ -5669,18 +5629,12 @@ static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
msg = nlmsg_alloc();
if (!msg)
return -ENOMEM;
os_memset(&upd, 0, sizeof(upd));
upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
if (authorized)
upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX,
if_nametoindex(bss->ifname)) ||
if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
nlmsg_free(msg);
@ -5817,28 +5771,17 @@ static int i802_set_frag(void *priv, int frag)
static int i802_flush(void *priv)
{
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
int res;
msg = nlmsg_alloc();
if (!msg)
return -1;
wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
bss->ifname);
nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION);
/*
* XXX: FIX! this needs to flush all VLANs too
*/
if (nla_put_u32(msg, NL80211_ATTR_IFINDEX,
if_nametoindex(bss->ifname))) {
nlmsg_free(msg);
return -ENOBUFS;
}
res = send_and_recv_msgs(drv, msg, NULL, NULL);
msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
if (res) {
wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
"(%s)", res, strerror(-res));
@ -5906,23 +5849,17 @@ static int i802_read_sta_data(struct i802_bss *bss,
struct hostap_sta_driver_data *data,
const u8 *addr)
{
struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
os_memset(data, 0, sizeof(*data));
msg = nlmsg_alloc();
if (!msg)
return -ENOMEM;
if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION) ||
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX,
if_nametoindex(bss->ifname))) {
if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
nlmsg_free(msg);
return -ENOBUFS;
}
return send_and_recv_msgs(drv, msg, get_sta_handler, data);
return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
}
@ -5934,14 +5871,10 @@ static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
struct nl_msg *msg;
struct nlattr *txq, *params;
msg = nlmsg_alloc();
msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
if (!msg)
return -1;
if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)))
goto fail;
txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
if (!txq)
goto fail;
@ -5998,17 +5931,11 @@ static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
struct nl_msg *msg;
int ret;
msg = nlmsg_alloc();
if (!msg)
return -ENOMEM;
wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
", ifname=%s[%d], vlan_id=%d)",
bss->ifname, if_nametoindex(bss->ifname),
MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX,
if_nametoindex(bss->ifname)) ||
if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
nlmsg_free(msg);
@ -7145,12 +7072,7 @@ static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
"hysteresis=%d", threshold, hysteresis);
msg = nlmsg_alloc();
if (!msg)
return -1;
if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_CQM) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex) ||
if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
!(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
@ -7396,13 +7318,7 @@ static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
{
struct nl_msg *msg;
msg = nlmsg_alloc();
if (!msg)
return -ENOMEM;
if (!nl80211_cmd(bss->drv, msg, 0, cmd) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX,
if_nametoindex(bss->ifname)) ||
if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
(pmkid && nla_put(msg, NL80211_ATTR_PMKID, 16, pmkid)) ||
(bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))) {
nlmsg_free(msg);
@ -7620,12 +7536,7 @@ static void nl80211_set_rekey_info(void *priv, const u8 *kek, const u8 *kck,
struct nlattr *replay_nested;
struct nl_msg *msg;
msg = nlmsg_alloc();
if (!msg)
return;
if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_REKEY_OFFLOAD) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex) ||
if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
!(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
nla_put(msg, NL80211_REKEY_DATA_KEK, NL80211_KEK_LEN, kek) ||
nla_put(msg, NL80211_REKEY_DATA_KCK, NL80211_KCK_LEN, kck) ||
@ -7691,12 +7602,7 @@ static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
return;
}
msg = nlmsg_alloc();
if (!msg)
return;
if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_PROBE_CLIENT) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex) ||
if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
nlmsg_free(msg);
return;
@ -7710,12 +7616,7 @@ static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
{
struct nl_msg *msg;
msg = nlmsg_alloc();
if (!msg)
return -ENOMEM;
if (!nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_SET_POWER_SAVE) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex) ||
if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
nla_put_u32(msg, NL80211_ATTR_PS_STATE,
enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
nlmsg_free(msg);
@ -8243,12 +8144,7 @@ static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
settings->cs_count)))
return -EINVAL;
msg = nlmsg_alloc();
if (!msg)
return -ENOMEM;
if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_CHANNEL_SWITCH) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex) ||
if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
settings->cs_count) ||
(ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||