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Add no_cck parameter for send_action() driver_ops

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This can be used to apply the no-CCK rule conditionally depending on
which frame is being sent. The no-CCK rule applies only for P2P
management frames while SA Query and FT use cases do not have similar
restrictions.

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2011-10-29 21:49:46 +03:00
parent 970fa12ea2
commit b106173a82
10 changed files with 42 additions and 26 deletions
Download patch file Download diff file Expand all files Collapse all files

3
src/drivers/driver.h
View file

@ -1862,6 +1862,7 @@ struct wpa_driver_ops {
* @bssid: BSSID (Address 3)
* @data: Frame body
* @data_len: data length in octets
@ @no_cck: Whether CCK rates must not be used to transmit this frame
* Returns: 0 on success, -1 on failure
*
* This command can be used to request the driver to transmit an action
@ -1879,7 +1880,7 @@ struct wpa_driver_ops {
*/
int (*send_action)(void *priv, unsigned int freq, unsigned int wait,
const u8 *dst, const u8 *src, const u8 *bssid,
const u8 *data, size_t data_len);
const u8 *data, size_t data_len, int no_cck);
/**
* send_action_cancel_wait - Cancel action frame TX wait

22
src/drivers/driver_nl80211.c
View file

@ -266,7 +266,8 @@ static void nl80211_remove_monitor_interface(
struct wpa_driver_nl80211_data *drv);
static int nl80211_send_frame_cmd(struct wpa_driver_nl80211_data *drv,
unsigned int freq, unsigned int wait,
const u8 *buf, size_t buf_len, u64 *cookie);
const u8 *buf, size_t buf_len, u64 *cookie,
int no_cck);
static int wpa_driver_nl80211_probe_req_report(void *priv, int report);
#ifdef HOSTAPD
@ -4140,12 +4141,12 @@ static int wpa_driver_nl80211_send_mlme(void *priv, const u8 *data,
* of wpa_supplicant.
*/
return nl80211_send_frame_cmd(drv, drv->last_mgmt_freq, 0,
data, data_len, NULL);
data, data_len, NULL, 1);
}
if (drv->no_monitor_iface_capab && is_ap_interface(drv->nlmode)) {
return nl80211_send_frame_cmd(drv, drv->ap_oper_freq, 0,
data, data_len, NULL);
data, data_len, NULL, 0);
}
if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
@ -6743,7 +6744,7 @@ static int cookie_handler(struct nl_msg *msg, void *arg)
static int nl80211_send_frame_cmd(struct wpa_driver_nl80211_data *drv,
unsigned int freq, unsigned int wait,
const u8 *buf, size_t buf_len,
u64 *cookie_out)
u64 *cookie_out, int no_cck)
{
struct nl_msg *msg;
u64 cookie;
@ -6760,7 +6761,8 @@ static int nl80211_send_frame_cmd(struct wpa_driver_nl80211_data *drv,
if (wait)
NLA_PUT_U32(msg, NL80211_ATTR_DURATION, wait);
NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK);
NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE);
if (no_cck)
NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE);
NLA_PUT(msg, NL80211_ATTR_FRAME, buf_len, buf);
@ -6789,7 +6791,8 @@ static int wpa_driver_nl80211_send_action(void *priv, unsigned int freq,
unsigned int wait_time,
const u8 *dst, const u8 *src,
const u8 *bssid,
const u8 *data, size_t data_len)
const u8 *data, size_t data_len,
int no_cck)
{
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;
@ -6798,7 +6801,7 @@ static int wpa_driver_nl80211_send_action(void *priv, unsigned int freq,
struct ieee80211_hdr *hdr;
wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
"wait=%d ms)", drv->ifindex, wait_time);
"wait=%d ms no_cck=%d)", drv->ifindex, wait_time, no_cck);
buf = os_zalloc(24 + data_len);
if (buf == NULL)
@ -6816,7 +6819,8 @@ static int wpa_driver_nl80211_send_action(void *priv, unsigned int freq,
else
ret = nl80211_send_frame_cmd(drv, freq, wait_time, buf,
24 + data_len,
&drv->send_action_cookie);
&drv->send_action_cookie,
no_cck);
os_free(buf);
return ret;
@ -7086,7 +7090,7 @@ static int nl80211_send_ft_action(void *priv, u8 action, const u8 *target_ap,
ret = wpa_driver_nl80211_send_action(bss, drv->assoc_freq, 0,
drv->bssid, own_addr, drv->bssid,
data, data_len);
data, data_len, 0);
os_free(data);
return ret;

8
src/drivers/driver_test.c
View file

@ -116,6 +116,7 @@ struct wpa_driver_test_data {
u8 pending_action_dst[ETH_ALEN];
u8 pending_action_bssid[ETH_ALEN];
unsigned int pending_action_freq;
unsigned int pending_action_no_cck;
unsigned int pending_listen_freq;
unsigned int pending_listen_duration;
int pending_p2p_scan;
@ -2670,7 +2671,8 @@ static int wpa_driver_test_send_action(void *priv, unsigned int freq,
unsigned int wait,
const u8 *dst, const u8 *src,
const u8 *bssid,
const u8 *data, size_t data_len)
const u8 *data, size_t data_len,
int no_cck)
{
struct test_driver_bss *dbss = priv;
struct wpa_driver_test_data *drv = dbss->drv;
@ -2730,7 +2732,8 @@ static void test_send_action_cb(void *eloop_ctx, void *timeout_ctx)
drv->pending_action_src,
drv->pending_action_bssid,
wpabuf_head(drv->pending_action_tx),
wpabuf_len(drv->pending_action_tx));
wpabuf_len(drv->pending_action_tx),
drv->pending_action_no_cck);
}
#endif /* CONFIG_P2P */
@ -3013,6 +3016,7 @@ static int test_send_action(void *ctx, unsigned int freq, const u8 *dst,
os_memcpy(drv->pending_action_dst, dst, ETH_ALEN);
os_memcpy(drv->pending_action_bssid, bssid, ETH_ALEN);
drv->pending_action_freq = freq;
drv->pending_action_no_cck = 1;
if (drv->off_channel_freq == freq) {
/* Already on requested channel; send immediately */