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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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/common/defs.h
View File

@ -308,6 +308,17 @@ enum wpa_ctrl_req_type {
/* Maximum number of EAP methods to store for EAP server user information */
#define EAP_MAX_METHODS 8
/**
* enum ht_mode - channel width and offset
*/
enum ht_mode {
CHAN_UNDEFINED = 0,
CHAN_NO_HT,
CHAN_HT20,
CHAN_HT40PLUS,
CHAN_HT40MINUS,
};
enum mesh_plink_state {
PLINK_LISTEN = 1,
PLINK_OPEN_SENT,

1
src/drivers/driver.h
View File

@ -945,6 +945,7 @@ struct wpa_driver_mesh_join_params {
const u8 *ies;
int ie_len;
int freq;
enum ht_mode ht_mode;
struct wpa_driver_mesh_bss_params conf;
#define WPA_DRIVER_MESH_FLAG_USER_MPM 0x00000001
#define WPA_DRIVER_MESH_FLAG_DRIVER_MPM 0x00000002

28
src/drivers/driver_nl80211.c
View File

@ -8732,12 +8732,38 @@ wpa_driver_nl80211_join_mesh(void *priv,
nl80211_cmd(drv, msg, 0, NL80211_CMD_JOIN_MESH);
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
/* XXX: need chtype too in case we want HT */
if (params->freq) {
wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
}
if (params->ht_mode) {
unsigned int ht_value;
char *ht_mode = "";
switch (params->ht_mode) {
default:
case CHAN_NO_HT:
ht_value = NL80211_CHAN_NO_HT;
ht_mode = "NOHT";
break;
case CHAN_HT20:
ht_value = NL80211_CHAN_HT20;
ht_mode = "HT20";
break;
case CHAN_HT40PLUS:
ht_value = NL80211_CHAN_HT40PLUS;
ht_mode = "HT40+";
break;
case CHAN_HT40MINUS:
ht_value = NL80211_CHAN_HT40MINUS;
ht_mode = "HT40-";
break;
}
wpa_printf(MSG_DEBUG, " * ht_mode=%s", ht_mode);
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ht_value);
}
if (params->basic_rates) {
u8 rates[NL80211_MAX_SUPP_RATES];
u8 rates_len = 0;

42
wpa_supplicant/ap.c
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 &&

5
wpa_supplicant/ap.h
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 */

66
wpa_supplicant/config.c
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;

1
wpa_supplicant/config_file.c
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

10
wpa_supplicant/config_ssid.h
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;

6
wpa_supplicant/mesh.c
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;

21
wpa_supplicant/mesh_mpm.c
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) {