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nl80211: Pass TDLS channel-switch start/stop params to kernel

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The kernel-driver/firmware are responsible for performing periodic
switches to the target channel with the given peer. Propagate all TDLS
channel switching related information to kernel.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
This commit is contained in:
Arik Nemtsov 2014-12-28 22:35:20 -05:00 committed by Jouni Malinen
parent 6b90deae4d
commit 72b2605f15
1 changed files with 59 additions and 1 deletions
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60
src/drivers/driver_nl80211.c
View file

@ -3374,7 +3374,7 @@ fail:
static int nl80211_put_freq_params(struct nl_msg *msg,
struct hostapd_freq_params *freq)
const struct hostapd_freq_params *freq)
{
if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
return -ENOBUFS;
@ -6970,6 +6970,62 @@ static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
return send_and_recv_msgs(drv, msg, NULL, NULL);
}
static int
nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
const struct hostapd_freq_params *params)
{
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
int ret = -ENOBUFS;
if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
return -EOPNOTSUPP;
wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
" oper_class=%u freq=%u",
MAC2STR(addr), oper_class, params->freq);
msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
if (!msg ||
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
(ret = nl80211_put_freq_params(msg, params))) {
nlmsg_free(msg);
wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
return ret;
}
return send_and_recv_msgs(drv, msg, NULL, NULL);
}
static int
nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
{
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
return -EOPNOTSUPP;
wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
MAC2STR(addr));
msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
if (!msg ||
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
nlmsg_free(msg);
wpa_printf(MSG_DEBUG,
"nl80211: Could not build TDLS cancel chan switch");
return -ENOBUFS;
}
return send_and_recv_msgs(drv, msg, NULL, NULL);
}
#endif /* CONFIG TDLS */
@ -8257,6 +8313,8 @@ const struct wpa_driver_ops wpa_driver_nl80211_ops = {
#ifdef CONFIG_TDLS
.send_tdls_mgmt = nl80211_send_tdls_mgmt,
.tdls_oper = nl80211_tdls_oper,
.tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
.tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
#endif /* CONFIG_TDLS */
.update_ft_ies = wpa_driver_nl80211_update_ft_ies,
.get_mac_addr = wpa_driver_nl80211_get_macaddr,