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TDLS: Add channel-switch capability flag 

Propagate a driver TDLS channel-switch support bit from nl80211 to
TDLS code.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
This commit is contained in:
Arik Nemtsov 2014-12-28 22:44:37 -05:00 committed by Jouni Malinen
parent ca16586afe
commit 4daa572925
6 changed files with 24 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/drivers/driver.h
View File

@ -1160,6 +1160,8 @@ struct wpa_driver_capa {
#define WPA_DRIVER_FLAGS_ACS_OFFLOAD 0x0000000200000000ULL
/** Driver supports key management offload */
#define WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD 0x0000000400000000ULL
/** Driver supports TDLS channel switching */
#define WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH 0x0000000800000000ULL
u64 flags;
#define WPA_DRIVER_SMPS_MODE_STATIC 0x00000001

5
src/drivers/driver_nl80211_capa.c
View File

@ -358,6 +358,11 @@ static void wiphy_info_feature_flags(struct wiphy_info_data *info,
if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)
capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX;
if (flags & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) {
wpa_printf(MSG_DEBUG, "nl80211: TDLS channel switch");
capa->flags |= WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH;
}
if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN)
info->have_low_prio_scan = 1;

5
src/rsn_supp/tdls.c
View File

@ -2742,7 +2742,8 @@ int wpa_tdls_init(struct wpa_sm *sm)
* are assumed to perform everything internally
*/
if (wpa_sm_tdls_get_capa(sm, &sm->tdls_supported,
&sm->tdls_external_setup) < 0) {
&sm->tdls_external_setup,
&sm->tdls_chan_switch) < 0) {
sm->tdls_supported = 1;
sm->tdls_external_setup = 0;
}
@ -2751,6 +2752,8 @@ int wpa_tdls_init(struct wpa_sm *sm)
"driver", sm->tdls_supported ? "" : " not");
wpa_printf(MSG_DEBUG, "TDLS: Driver uses %s link setup",
sm->tdls_external_setup ? "external" : "internal");
wpa_printf(MSG_DEBUG, "TDLS: Driver %s TDLS channel switching",
sm->tdls_chan_switch ? "supports" : "does not support");
return 0;
}

2
src/rsn_supp/wpa.h
View File

@ -51,7 +51,7 @@ struct wpa_sm_ctx {
int (*mark_authenticated)(void *ctx, const u8 *target_ap);
#ifdef CONFIG_TDLS
int (*tdls_get_capa)(void *ctx, int *tdls_supported,
int *tdls_ext_setup);
int *tdls_ext_setup, int *tdls_chan_switch);
int (*send_tdls_mgmt)(void *ctx, const u8 *dst,
u8 action_code, u8 dialog_token,
u16 status_code, u32 peer_capab,

8
src/rsn_supp/wpa_i.h
View File

@ -102,6 +102,9 @@ struct wpa_sm {
* to it via tdls_mgmt.
*/
int tdls_external_setup;
/* The driver supports TDLS channel switching */
int tdls_chan_switch;
#endif /* CONFIG_TDLS */
#ifdef CONFIG_IEEE80211R
@ -257,11 +260,12 @@ static inline void wpa_sm_set_rekey_offload(struct wpa_sm *sm)
#ifdef CONFIG_TDLS
static inline int wpa_sm_tdls_get_capa(struct wpa_sm *sm,
int *tdls_supported,
int *tdls_ext_setup)
int *tdls_ext_setup,
int *tdls_chan_switch)
{
if (sm->ctx->tdls_get_capa)
return sm->ctx->tdls_get_capa(sm->ctx->ctx, tdls_supported,
tdls_ext_setup);
tdls_ext_setup, tdls_chan_switch);
return -1;
}

7
wpa_supplicant/wpas_glue.c
View File

@ -609,12 +609,14 @@ static int wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap)
#ifdef CONFIG_TDLS
static int wpa_supplicant_tdls_get_capa(void *ctx, int *tdls_supported,
int *tdls_ext_setup)
int *tdls_ext_setup,
int *tdls_chan_switch)
{
struct wpa_supplicant *wpa_s = ctx;
*tdls_supported = 0;
*tdls_ext_setup = 0;
*tdls_chan_switch = 0;
if (!wpa_s->drv_capa_known)
return -1;
@ -625,6 +627,9 @@ static int wpa_supplicant_tdls_get_capa(void *ctx, int *tdls_supported,
if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP)
*tdls_ext_setup = 1;
if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH)
*tdls_chan_switch = 1;
return 0;
}