wifi_display: Add a utility function to get the sub-elements as IEs

This will be useful for DBus API to expose current WFD configuration.

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
This commit is contained in:
Tomasz Bursztyka 2014-09-15 08:04:29 +03:00 committed by Jouni Malinen
parent a8833b84f4
commit d4177443d4
2 changed files with 29 additions and 0 deletions

View file

@ -36,6 +36,34 @@ void wifi_display_deinit(struct wpa_global *global)
}
struct wpabuf * wifi_display_get_wfd_ie(struct wpa_global *global)
{
struct wpabuf *ie;
size_t len;
int i;
if (global->p2p == NULL)
return NULL;
len = 0;
for (i = 0; i < MAX_WFD_SUBELEMS; i++) {
if (global->wfd_subelem[i])
len += wpabuf_len(global->wfd_subelem[i]);
}
ie = wpabuf_alloc(len);
if (ie == NULL)
return NULL;
for (i = 0; i < MAX_WFD_SUBELEMS; i++) {
if (global->wfd_subelem[i])
wpabuf_put_buf(ie, global->wfd_subelem[i]);
}
return ie;
}
static int wifi_display_update_wfd_ie(struct wpa_global *global)
{
struct wpabuf *ie, *buf;

View file

@ -13,6 +13,7 @@
int wifi_display_init(struct wpa_global *global);
void wifi_display_deinit(struct wpa_global *global);
void wifi_display_enable(struct wpa_global *global, int enabled);
struct wpabuf *wifi_display_get_wfd_ie(struct wpa_global *global);
int wifi_display_subelem_set(struct wpa_global *global, char *cmd);
int wifi_display_subelem_get(struct wpa_global *global, char *cmd,
char *buf, size_t buflen);