mesh: Enable mesh HT mode

Add a new option "mesh_ht_mode" that specifies the HT mode for the
mesh, with this option on, mesh beacons, actions frames, and probe
responses with include the appropriate HT information elements.

[original implementation by Chun-Yeow Yeoh <yeohchunyeow@gmail.com>]
[some fixes by Masashi Honma <masashi.honma@gmail.com>]
Signed-off-by: Ashok Nagarajan <ashok.dragon@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: Jason Mobarak <x@jason.mobarak.name>
This commit is contained in:
Jason Mobarak 2014-09-01 00:23:36 -04:00 committed by Jouni Malinen
parent c596f3f083
commit 5cfb672dde
10 changed files with 171 additions and 20 deletions

View file

@ -75,24 +75,10 @@ no_vht:
#endif /* CONFIG_IEEE80211N */
static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid,
struct hostapd_config *conf)
void wpa_supplicant_conf_ap_ht(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid,
struct hostapd_config *conf)
{
struct hostapd_bss_config *bss = conf->bss[0];
conf->driver = wpa_s->driver;
os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
&conf->channel);
if (conf->hw_mode == NUM_HOSTAPD_MODES) {
wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
ssid->frequency);
return -1;
}
/* TODO: enable HT40 if driver supports it;
* drop to 11b if driver does not support 11g */
@ -155,6 +141,28 @@ static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
}
}
#endif /* CONFIG_IEEE80211N */
}
static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid,
struct hostapd_config *conf)
{
struct hostapd_bss_config *bss = conf->bss[0];
conf->driver = wpa_s->driver;
os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
&conf->channel);
if (conf->hw_mode == NUM_HOSTAPD_MODES) {
wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
ssid->frequency);
return -1;
}
wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf);
#ifdef CONFIG_P2P
if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&

View file

@ -75,4 +75,9 @@ int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
const struct wpabuf *pw, const u8 *pubkey_hash);
struct hostapd_config;
void wpa_supplicant_conf_ap_ht(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid,
struct hostapd_config *conf);
#endif /* AP_H */

View file

@ -1588,6 +1588,66 @@ static char * wpa_config_write_psk_list(const struct parse_data *data,
#endif /* CONFIG_P2P */
#ifdef CONFIG_MESH
static int wpa_config_parse_mesh_ht_mode(const struct parse_data *data,
struct wpa_ssid *ssid, int line,
const char *value)
{
int htval = 0;
if (os_strcmp(value, "NOHT") == 0)
htval = CHAN_NO_HT;
else if (os_strcmp(value, "HT20") == 0)
htval = CHAN_HT20;
else if (os_strcmp(value, "HT40-") == 0)
htval = CHAN_HT40MINUS;
else if (os_strcmp(value, "HT40+") == 0)
htval = CHAN_HT40PLUS;
else {
wpa_printf(MSG_ERROR,
"Line %d: no ht_mode configured.", line);
return -1;
}
wpa_printf(MSG_MSGDUMP, "mesh_ht_mode: 0x%x", htval);
ssid->mesh_ht_mode = htval;
return 0;
}
#ifndef NO_CONFIG_WRITE
static char * wpa_config_write_mesh_ht_mode(const struct parse_data *data,
struct wpa_ssid *ssid)
{
char *val;
switch (ssid->mesh_ht_mode) {
default:
val = NULL;
break;
case CHAN_NO_HT:
val = "NOHT";
break;
case CHAN_HT20:
val = "HT20";
break;
case CHAN_HT40MINUS:
val = "HT40-";
break;
case CHAN_HT40PLUS:
val = "HT40+";
break;
}
return val ? os_strdup(val) : NULL;
}
#endif /* NO_CONFIG_WRITE */
#endif /* CONFIG_MESH */
/* Helper macros for network block parser */
#ifdef OFFSET
@ -1757,6 +1817,9 @@ static const struct parse_data ssid_fields[] = {
{ INT_RANGE(peerkey, 0, 1) },
{ INT_RANGE(mixed_cell, 0, 1) },
{ INT_RANGE(frequency, 0, 65000) },
#ifdef CONFIG_MESH
{ FUNC(mesh_ht_mode) },
#endif /* CONFIG_MESH */
{ INT(wpa_ptk_rekey) },
{ STR(bgscan) },
{ INT_RANGE(ignore_broadcast_ssid, 0, 2) },
@ -2235,6 +2298,9 @@ void wpa_config_set_network_defaults(struct wpa_ssid *ssid)
ssid->eap.fragment_size = DEFAULT_FRAGMENT_SIZE;
ssid->eap.sim_num = DEFAULT_USER_SELECTED_SIM;
#endif /* IEEE8021X_EAPOL */
#ifdef CONFIG_MESH
ssid->mesh_ht_mode = DEFAULT_MESH_HT_MODE;
#endif /* CONFIG_MESH */
#ifdef CONFIG_HT_OVERRIDES
ssid->disable_ht = DEFAULT_DISABLE_HT;
ssid->disable_ht40 = DEFAULT_DISABLE_HT40;

View file

@ -743,6 +743,7 @@ static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
INT(update_identifier);
#endif /* CONFIG_HS20 */
write_int(f, "mac_addr", ssid->mac_addr, -1);
STR(mesh_ht_mode);
#undef STR
#undef INT

View file

@ -27,6 +27,7 @@
#define DEFAULT_FRAGMENT_SIZE 1398
#define DEFAULT_BG_SCAN_PERIOD -1
#define DEFAULT_MESH_HT_MODE CHAN_UNDEFINED /* undefined */
#define DEFAULT_DISABLE_HT 0
#define DEFAULT_DISABLE_HT40 0
#define DEFAULT_DISABLE_SGI 0
@ -403,6 +404,15 @@ struct wpa_ssid {
*/
int frequency;
/**
* mesh_ht_mode - definition of HT mode in mesh mode
*
* Use the given HT mode for mesh networks. The driver will
* adapt to other stations if neccesary, but advertise the
* configured HT mode (HT20/HT40-/HT40+/NOHT).
*/
int mesh_ht_mode;
int ht40;
int vht;

View file

@ -21,6 +21,7 @@
#include "wpa_supplicant_i.h"
#include "driver_i.h"
#include "notify.h"
#include "ap.h"
#include "mesh_mpm.h"
#include "mesh_rsn.h"
#include "mesh.h"
@ -241,6 +242,8 @@ static int wpa_supplicant_mesh_init(struct wpa_supplicant *wpa_s,
goto out_free;
}
wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf);
return 0;
out_free:
wpa_supplicant_mesh_deinit(wpa_s);
@ -295,6 +298,9 @@ int wpa_supplicant_join_mesh(struct wpa_supplicant *wpa_s,
params.meshid = ssid->ssid;
params.meshid_len = ssid->ssid_len;
params.freq = ssid->frequency;
#ifdef CONFIG_IEEE80211N
params.ht_mode = ssid->mesh_ht_mode;
#endif /* CONFIG_IEEE80211N */
if (ssid->key_mgmt & WPA_KEY_MGMT_SAE) {
params.flags |= WPA_DRIVER_MESH_FLAG_SAE_AUTH;

View file

@ -213,6 +213,9 @@ static void mesh_mpm_send_plink_action(struct wpa_supplicant *wpa_s,
struct hostapd_data *bss = ifmsh->bss[0];
struct mesh_conf *conf = ifmsh->mconf;
u8 supp_rates[2 + 2 + 32];
#ifdef CONFIG_IEEE80211N
u8 ht_capa_oper[2 + 26 + 2 + 22];
#endif /* CONFIG_IEEE80211N */
u8 *pos, *cat;
u8 ie_len, add_plid = 0;
int ret;
@ -243,6 +246,7 @@ static void mesh_mpm_send_plink_action(struct wpa_supplicant *wpa_s,
/* capability info */
wpabuf_put_le16(buf, ampe ? IEEE80211_CAP_PRIVACY : 0);
/* aid */
if (type == PLINK_CONFIRM)
wpabuf_put_le16(buf, sta->peer_lid);
@ -309,7 +313,14 @@ static void mesh_mpm_send_plink_action(struct wpa_supplicant *wpa_s,
mesh_rsn_get_pmkid(wpa_s->mesh_rsn, sta,
wpabuf_put(buf, PMKID_LEN));
/* TODO HT IEs */
#ifdef CONFIG_IEEE80211N
if (type != PLINK_CLOSE &&
wpa_s->current_ssid->mesh_ht_mode != CHAN_NO_HT) {
pos = hostapd_eid_ht_capabilities(bss, ht_capa_oper);
pos = hostapd_eid_ht_operation(bss, pos);
wpabuf_put_data(buf, ht_capa_oper, pos - ht_capa_oper);
}
#endif /* CONFIG_IEEE80211N */
if (ampe && mesh_rsn_protect_frame(wpa_s->mesh_rsn, sta, cat, buf)) {
wpa_msg(wpa_s, MSG_INFO,
@ -520,6 +531,12 @@ void wpa_mesh_new_mesh_peer(struct wpa_supplicant *wpa_s, const u8 *addr,
mesh_mpm_init_link(wpa_s, sta);
#ifdef CONFIG_IEEE80211N
copy_sta_ht_capab(data, sta, elems->ht_capabilities,
elems->ht_capabilities_len);
update_ht_state(data, sta);
#endif /* CONFIG_IEEE80211N */
/* insert into driver */
os_memset(&params, 0, sizeof(params));
params.supp_rates = sta->supported_rates;
@ -528,7 +545,7 @@ void wpa_mesh_new_mesh_peer(struct wpa_supplicant *wpa_s, const u8 *addr,
params.plink_state = sta->plink_state;
params.aid = sta->peer_lid;
params.listen_interval = 100;
/* TODO: HT capabilities */
params.ht_capabilities = sta->ht_capabilities;
params.flags |= WPA_STA_WMM;
params.flags_mask |= WPA_STA_AUTHENTICATED;
if (conf->security == MESH_CONF_SEC_NONE) {