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P2P: Enable 40 MHz support for autonomous P2P group addition

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Add optional "ht40" argument for p2p_group_add command to enable 40 MHz
in 5GHz band. This configures the secondary channel, when HT support is
enabled and if the HW supports 40 MHz channel width.

Signed-hostap: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
This commit is contained in:
Rajkumar Manoharan 2012-08-15 22:53:01 +03:00 committed by Jouni Malinen
parent 931228aa10
commit 7aeac98509
8 changed files with 70 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/p2p/p2p.h
View File

@ -75,6 +75,8 @@ struct p2p_go_neg_results {
*/
int freq;
int ht40;
/**
* ssid - SSID of the group
*/

12
wpa_supplicant/ap.c
View File

@ -99,6 +99,18 @@ static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
if (!no_ht && mode && mode->ht_capab) {
conf->ieee80211n = 1;
#ifdef CONFIG_P2P
if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A &&
(mode->ht_capab &
HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
ssid->ht40)
conf->secondary_channel =
wpas_p2p_get_ht40_mode(wpa_s, mode,
conf->channel);
if (conf->secondary_channel)
conf->ht_capab |=
HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
#endif /* CONFIG_P2P */
/*
* white-list capabilities that won't cause issues

2
wpa_supplicant/config_ssid.h
View File

@ -364,6 +364,8 @@ struct wpa_ssid {
*/
int frequency;
int ht40;
/**
* wpa_ptk_rekey - Maximum lifetime for PTK in seconds
*

19
wpa_supplicant/ctrl_iface.c
View File

@ -3482,7 +3482,7 @@ static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
char *cmd, int freq)
char *cmd, int freq, int ht40)
{
int id;
struct wpa_ssid *ssid;
@ -3496,26 +3496,31 @@ static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
return -1;
}
return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq);
return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40);
}
static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
{
int freq = 0;
int freq = 0, ht40;
char *pos;
pos = os_strstr(cmd, "freq=");
if (pos)
freq = atoi(pos + 5);
ht40 = os_strstr(cmd, "ht40") != NULL;
if (os_strncmp(cmd, "persistent=", 11) == 0)
return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq);
return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
ht40);
if (os_strcmp(cmd, "persistent") == 0 ||
os_strncmp(cmd, "persistent ", 11) == 0)
return wpas_p2p_group_add(wpa_s, 1, freq);
return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
if (os_strncmp(cmd, "freq=", 5) == 0)
return wpas_p2p_group_add(wpa_s, 0, freq);
return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
if (ht40)
return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
cmd);
@ -4313,7 +4318,7 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
if (wpas_p2p_group_remove(wpa_s, buf + 17))
reply_len = -1;
} else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
if (wpas_p2p_group_add(wpa_s, 0, 0))
if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
reply_len = -1;
} else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
if (p2p_ctrl_group_add(wpa_s, buf + 14))

4
wpa_supplicant/dbus/dbus_new_handlers_p2p.c
View File

@ -346,13 +346,13 @@ DBusMessage * wpas_dbus_handler_p2p_group_add(DBusMessage *message,
if (ssid == NULL || ssid->disabled != 2)
goto inv_args;
if (wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq)) {
if (wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0)) {
reply = wpas_dbus_error_unknown_error(
message,
"Failed to reinvoke a persistent group");
goto out;
}
} else if (wpas_p2p_group_add(wpa_s, persistent_group, freq))
} else if (wpas_p2p_group_add(wpa_s, persistent_group, freq, 0))
goto inv_args;
out:

42
wpa_supplicant/p2p_supplicant.c
View File

@ -819,6 +819,7 @@ static void wpas_start_wps_go(struct wpa_supplicant *wpa_s,
ssid->mode = group_formation ? WPAS_MODE_P2P_GROUP_FORMATION :
WPAS_MODE_P2P_GO;
ssid->frequency = params->freq;
ssid->ht40 = params->ht40;
ssid->ssid = os_zalloc(params->ssid_len + 1);
if (ssid->ssid) {
os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
@ -2042,7 +2043,7 @@ static void wpas_invitation_received(void *ctx, const u8 *sa, const u8 *bssid,
MAC2STR(sa), op_freq);
if (s) {
wpas_p2p_group_add_persistent(
wpa_s, s, s->mode == WPAS_MODE_P2P_GO, 0);
wpa_s, s, s->mode == WPAS_MODE_P2P_GO, 0, 0);
} else if (bssid) {
wpas_p2p_join(wpa_s, bssid, go_dev_addr,
wpa_s->p2p_wps_method, 0);
@ -2109,7 +2110,7 @@ static void wpas_invitation_result(void *ctx, int status, const u8 *bssid)
}
wpas_p2p_group_add_persistent(wpa_s, ssid,
ssid->mode == WPAS_MODE_P2P_GO, 0);
ssid->mode == WPAS_MODE_P2P_GO, 0, 0);
}
@ -2331,6 +2332,32 @@ static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s,
}
int wpas_p2p_get_ht40_mode(struct wpa_supplicant *wpa_s,
struct hostapd_hw_modes *mode, u8 channel)
{
int op, ret;
for (op = 0; op_class[op].op_class; op++) {
struct p2p_oper_class_map *o = &op_class[op];
u8 ch;
for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
if (o->mode != HOSTAPD_MODE_IEEE80211A ||
o->bw == BW20 || ch != channel)
continue;
ret = wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw);
if (ret < 0)
continue;
else if (ret > 0)
return (o->bw == BW40MINUS) ? -1 : 1;
else
return 0;
}
}
return 0;
}
static int wpas_get_noa(void *ctx, const u8 *interface_addr, u8 *buf,
size_t buf_len)
{
@ -3400,13 +3427,14 @@ int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname)
static int wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s,
struct p2p_go_neg_results *params,
int freq)
int freq, int ht40)
{
u8 bssid[ETH_ALEN];
int res;
os_memset(params, 0, sizeof(*params));
params->role_go = 1;
params->ht40 = ht40;
if (freq) {
wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on forced "
"frequency %d MHz", freq);
@ -3518,7 +3546,7 @@ wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
* i.e., without using Group Owner Negotiation.
*/
int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group,
int freq)
int freq, int ht40)
{
struct p2p_go_neg_results params;
unsigned int r;
@ -3576,7 +3604,7 @@ int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group,
return -1;
}
if (wpas_p2p_init_go_params(wpa_s, &params, freq))
if (wpas_p2p_init_go_params(wpa_s, &params, freq, ht40))
return -1;
if (params.freq &&
!p2p_supported_freq(wpa_s->global->p2p, params.freq)) {
@ -3643,7 +3671,7 @@ static int wpas_start_p2p_client(struct wpa_supplicant *wpa_s,
int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid, int addr_allocated,
int freq)
int freq, int ht40)
{
struct p2p_go_neg_results params;
int go = 0;
@ -3669,7 +3697,7 @@ int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s,
if (ssid->mode != WPAS_MODE_P2P_GO)
return -1;
if (wpas_p2p_init_go_params(wpa_s, &params, freq))
if (wpas_p2p_init_go_params(wpa_s, &params, freq, ht40))
return -1;
params.role_go = 1;

6
wpa_supplicant/p2p_supplicant.h
View File

@ -28,10 +28,10 @@ void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
unsigned int freq);
int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname);
int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group,
int freq);
int freq, int ht40);
int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid, int addr_allocated,
int freq);
int freq, int ht40);
struct p2p_group * wpas_p2p_group_init(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid);
void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
@ -141,5 +141,7 @@ struct wpa_ssid * wpas_p2p_get_persistent(struct wpa_supplicant *wpa_s,
void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
const u8 *addr);
int wpas_p2p_scan_no_go_seen(struct wpa_supplicant *wpa_s);
int wpas_p2p_get_ht40_mode(struct wpa_supplicant *wpa_s,
struct hostapd_hw_modes *mode, u8 channel);
#endif /* P2P_SUPPLICANT_H */

2
wpa_supplicant/wpa_cli.c
View File

@ -2368,7 +2368,7 @@ static struct wpa_cli_cmd wpa_cli_commands[] = {
{ "p2p_group_remove", wpa_cli_cmd_p2p_group_remove, cli_cmd_flag_none,
"<ifname> = remove P2P group interface (terminate group if GO)" },
{ "p2p_group_add", wpa_cli_cmd_p2p_group_add, cli_cmd_flag_none,
"= add a new P2P group (local end as GO)" },
"[ht40] = add a new P2P group (local end as GO)" },
{ "p2p_prov_disc", wpa_cli_cmd_p2p_prov_disc, cli_cmd_flag_none,
"<addr> <method> = request provisioning discovery" },
{ "p2p_get_passphrase", wpa_cli_cmd_p2p_get_passphrase,