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Add capability flag for IBSS and add get_capability modes

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Add a driver capability flag for drivers which support IBSS mode and set
it for nl80211 drivers which have set the NL80211_IFTYPE_ADHOC.

Add a new option "modes" to "get_capability" which will return "AP" and
"IBSS" if the corresponding capability flags are set.

The idea is that this can be used for UIs to find out if the driver
supports IBSS mode.

Signed-hostap: Bruno Randolf <br1@einfach.org>
This commit is contained in:
Bruno Randolf 2013-03-16 12:42:15 +02:00 committed by Jouni Malinen
parent ba873c1284
commit 65d52fc103
4 changed files with 50 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/drivers/driver.h
View File

@ -864,6 +864,8 @@ struct wpa_driver_capa {
#define WPA_DRIVER_FLAGS_SAE 0x02000000
/* Driver makes use of OBSS scan mechanism in wpa_supplicant */
#define WPA_DRIVER_FLAGS_OBSS_SCAN 0x04000000
/* Driver supports IBSS (Ad-hoc) mode */
#define WPA_DRIVER_FLAGS_IBSS 0x08000000
unsigned int flags;
int max_scan_ssids;

3
src/drivers/driver_nl80211.c
View File

@ -2591,6 +2591,9 @@ static void wiphy_info_supported_iftypes(struct wiphy_info_data *info,
case NL80211_IFTYPE_AP:
info->capa->flags |= WPA_DRIVER_FLAGS_AP;
break;
case NL80211_IFTYPE_ADHOC:
info->capa->flags |= WPA_DRIVER_FLAGS_IBSS;
break;
case NL80211_IFTYPE_P2P_GO:
info->p2p_go_supported = 1;
break;

44
wpa_supplicant/ctrl_iface.c
View File

@ -2850,6 +2850,46 @@ static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
}
static int ctrl_iface_get_capability_modes(int res, char *strict,
struct wpa_driver_capa *capa,
char *buf, size_t buflen)
{
int ret, first = 1;
char *pos, *end;
size_t len;
pos = buf;
end = pos + buflen;
if (res < 0) {
if (strict)
return 0;
len = os_strlcpy(buf, "IBSS AP", buflen);
if (len >= buflen)
return -1;
return len;
}
if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
ret = os_snprintf(pos, end - pos, "%sIBSS", first ? "" : " ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
first = 0;
}
if (capa->flags & WPA_DRIVER_FLAGS_AP) {
ret = os_snprintf(pos, end - pos, "%sAP", first ? "" : " ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
first = 0;
}
return pos - buf;
}
static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
char *buf, size_t buflen)
{
@ -2950,6 +2990,10 @@ static int wpa_supplicant_ctrl_iface_get_capability(
return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
buf, buflen);
if (os_strcmp(field, "modes") == 0)
return ctrl_iface_get_capability_modes(res, strict, &capa,
buf, buflen);
if (os_strcmp(field, "channels") == 0)
return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);

2
wpa_supplicant/wpa_cli.c
View File

@ -2439,7 +2439,7 @@ static struct wpa_cli_cmd wpa_cli_commands[] = {
"<<idx> | <bssid>> = get detailed scan result info" },
{ "get_capability", wpa_cli_cmd_get_capability, NULL,
cli_cmd_flag_none,
"<eap/pairwise/group/key_mgmt/proto/auth_alg/channels> "
"<eap/pairwise/group/key_mgmt/proto/auth_alg/channels/modes> "
"= get capabilies" },
{ "reconfigure", wpa_cli_cmd_reconfigure, NULL,
cli_cmd_flag_none,