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driver: Add option for link ID to be specified for send_tdls_mgmt()

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This is needed to allow the driver to know on which operating channel
(as specified by the link that is affiliated with AP MLD for the current
association) is used for transmitting TDLS Discovery Response. This
commit adds the link_id parameter to various functions, but does not
implement the driver interface change itself.

Signed-off-by: Jouni Malinen <quic_klokere@quicinc.com>
This commit is contained in:
Kiran Kumar Lokere 2023-02-09 00:25:30 -08:00 committed by Jouni Malinen
parent f85b2b2dee
commit e3a68081bc
7 changed files with 35 additions and 23 deletions
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5
src/drivers/driver.h
View file

@ -4103,6 +4103,8 @@ struct wpa_driver_ops {
* @initiator: Is the current end the TDLS link initiator
* @buf: TDLS IEs to add to the message
* @len: Length of buf in octets
* @link_id: If >= 0 indicates the link of the AP MLD to specify the
* operating channel on which to send a TDLS Discovery Response frame.
* Returns: 0 on success, negative (<0) on failure
*
* This optional function can be used to send packet to driver which is
@ -4110,7 +4112,8 @@ struct wpa_driver_ops {
*/
int (*send_tdls_mgmt)(void *priv, const u8 *dst, u8 action_code,
u8 dialog_token, u16 status_code, u32 peer_capab,
int initiator, const u8 *buf, size_t len);
int initiator, const u8 *buf, size_t len,
int link_id);
/**
* tdls_oper - Ask the driver to perform high-level TDLS operations

2
src/drivers/driver_nl80211.c
View file

@ -10278,7 +10278,7 @@ static int nl80211_add_peer_capab(struct nl_msg *msg,
static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
u8 dialog_token, u16 status_code,
u32 peer_capab, int initiator, const u8 *buf,
size_t len)
size_t len, int link_id)
{
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;

35
src/rsn_supp/tdls.c
View file

@ -245,17 +245,19 @@ static int wpa_tdls_set_key(struct wpa_sm *sm, struct wpa_tdls_peer *peer)
static int wpa_tdls_send_tpk_msg(struct wpa_sm *sm, const u8 *dst,
u8 action_code, u8 dialog_token,
u16 status_code, u32 peer_capab,
int initiator, const u8 *buf, size_t len)
int initiator, const u8 *buf, size_t len,
int link_id)
{
return wpa_sm_send_tdls_mgmt(sm, dst, action_code, dialog_token,
status_code, peer_capab, initiator, buf,
len);
len, link_id);
}
static int wpa_tdls_tpk_send(struct wpa_sm *sm, const u8 *dest, u8 action_code,
u8 dialog_token, u16 status_code, u32 peer_capab,
int initiator, const u8 *msg, size_t msg_len)
int initiator, const u8 *msg, size_t msg_len,
int link_id)
{
struct wpa_tdls_peer *peer;
@ -267,7 +269,7 @@ static int wpa_tdls_tpk_send(struct wpa_sm *sm, const u8 *dest, u8 action_code,
if (wpa_tdls_send_tpk_msg(sm, dest, action_code, dialog_token,
status_code, peer_capab, initiator, msg,
msg_len)) {
msg_len, link_id)) {
wpa_printf(MSG_INFO, "TDLS: Failed to send message "
"(action_code=%u)", action_code);
return -1;
@ -364,7 +366,7 @@ static void wpa_tdls_tpk_retry_timeout(void *eloop_ctx, void *timeout_ctx)
peer->sm_tmr.peer_capab,
peer->initiator,
peer->sm_tmr.buf,
peer->sm_tmr.buf_len)) {
peer->sm_tmr.buf_len, -1)) {
wpa_printf(MSG_INFO, "TDLS: Failed to retry "
"transmission");
}
@ -846,7 +848,8 @@ skip_ies:
/* request driver to send Teardown using this FTIE */
wpa_tdls_tpk_send(sm, addr, WLAN_TDLS_TEARDOWN, 0,
reason_code, 0, peer->initiator, rbuf, pos - rbuf);
reason_code, 0, peer->initiator, rbuf, pos - rbuf,
-1);
os_free(rbuf);
return 0;
@ -1041,7 +1044,7 @@ static int wpa_tdls_send_error(struct wpa_sm *sm, const u8 *dst,
" (action=%u status=%u)",
MAC2STR(dst), tdls_action, status);
return wpa_tdls_tpk_send(sm, dst, tdls_action, dialog_token, status,
0, initiator, NULL, 0);
0, initiator, NULL, 0, -1);
}
@ -1249,7 +1252,8 @@ skip_ies:
MAC2STR(peer->addr));
status = wpa_tdls_tpk_send(sm, peer->addr, WLAN_TDLS_SETUP_REQUEST,
1, 0, 0, peer->initiator, rbuf, pos - rbuf);
1, 0, 0, peer->initiator, rbuf, pos - rbuf,
-1);
os_free(rbuf);
return status;
@ -1341,7 +1345,7 @@ static int wpa_tdls_send_tpk_m2(struct wpa_sm *sm,
skip_ies:
status = wpa_tdls_tpk_send(sm, src_addr, WLAN_TDLS_SETUP_RESPONSE,
dtoken, 0, 0, peer->initiator, rbuf,
pos - rbuf);
pos - rbuf, -1);
os_free(rbuf);
return status;
@ -1442,7 +1446,7 @@ skip_ies:
status = wpa_tdls_tpk_send(sm, src_addr, WLAN_TDLS_SETUP_CONFIRM,
dtoken, 0, peer_capab, peer->initiator,
rbuf, pos - rbuf);
rbuf, pos - rbuf, -1);
os_free(rbuf);
return status;
@ -1451,7 +1455,7 @@ skip_ies:
static int wpa_tdls_send_discovery_response(struct wpa_sm *sm,
struct wpa_tdls_peer *peer,
u8 dialog_token)
u8 dialog_token, int link_id)
{
size_t buf_len = 0;
struct wpa_tdls_timeoutie timeoutie;
@ -1528,7 +1532,8 @@ skip_rsn_ies:
wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds", peer->lifetime);
skip_ies:
status = wpa_tdls_tpk_send(sm, peer->addr, WLAN_TDLS_DISCOVERY_RESPONSE,
dialog_token, 0, 0, 0, rbuf, pos - rbuf);
dialog_token, 0, 0, 0, rbuf, pos - rbuf,
link_id);
os_free(rbuf);
return status;
@ -1545,6 +1550,7 @@ wpa_tdls_process_discovery_request(struct wpa_sm *sm, const u8 *addr,
size_t min_req_len = sizeof(struct wpa_tdls_frame) +
1 /* dialog token */ + sizeof(struct wpa_tdls_lnkid);
u8 dialog_token;
int link_id = -1;
wpa_printf(MSG_DEBUG, "TDLS: Discovery Request from " MACSTR,
MAC2STR(addr));
@ -1587,7 +1593,8 @@ wpa_tdls_process_discovery_request(struct wpa_sm *sm, const u8 *addr,
if (peer == NULL)
return -1;
return wpa_tdls_send_discovery_response(sm, peer, dialog_token);
return wpa_tdls_send_discovery_response(sm, peer, dialog_token,
link_id);
}
@ -1599,7 +1606,7 @@ int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr)
wpa_printf(MSG_DEBUG, "TDLS: Sending Discovery Request to peer "
MACSTR, MAC2STR(addr));
return wpa_tdls_tpk_send(sm, addr, WLAN_TDLS_DISCOVERY_REQUEST,
1, 0, 0, 1, NULL, 0);
1, 0, 0, 1, NULL, 0, -1);
}

3
src/rsn_supp/wpa.h
View file

@ -64,7 +64,8 @@ struct wpa_sm_ctx {
int (*send_tdls_mgmt)(void *ctx, const u8 *dst,
u8 action_code, u8 dialog_token,
u16 status_code, u32 peer_capab,
int initiator, const u8 *buf, size_t len);
int initiator, const u8 *buf, size_t len,
int link_id);
int (*tdls_oper)(void *ctx, int oper, const u8 *peer);
int (*tdls_peer_addset)(void *ctx, const u8 *addr, int add, u16 aid,
u16 capability, const u8 *supp_rates,

4
src/rsn_supp/wpa_i.h
View file

@ -380,13 +380,13 @@ static inline int wpa_sm_send_tdls_mgmt(struct wpa_sm *sm, const u8 *dst,
u8 action_code, u8 dialog_token,
u16 status_code, u32 peer_capab,
int initiator, const u8 *buf,
size_t len)
size_t len, int link_id)
{
if (sm->ctx->send_tdls_mgmt)
return sm->ctx->send_tdls_mgmt(sm->ctx->ctx, dst, action_code,
dialog_token, status_code,
peer_capab, initiator, buf,
len);
len, link_id);
return -1;
}

5
wpa_supplicant/driver_i.h
View file

@ -585,13 +585,14 @@ static inline int wpa_drv_send_tdls_mgmt(struct wpa_supplicant *wpa_s,
const u8 *dst, u8 action_code,
u8 dialog_token, u16 status_code,
u32 peer_capab, int initiator,
const u8 *buf, size_t len)
const u8 *buf, size_t len, int link_id)
{
if (wpa_s->driver->send_tdls_mgmt) {
return wpa_s->driver->send_tdls_mgmt(wpa_s->drv_priv, dst,
action_code, dialog_token,
status_code, peer_capab,
initiator, buf, len);
initiator, buf, len,
link_id);
}
return -1;
}

4
wpa_supplicant/wpas_glue.c
View file

@ -769,12 +769,12 @@ static int wpa_supplicant_send_tdls_mgmt(void *ctx, const u8 *dst,
u8 action_code, u8 dialog_token,
u16 status_code, u32 peer_capab,
int initiator, const u8 *buf,
size_t len)
size_t len, int link_id)
{
struct wpa_supplicant *wpa_s = ctx;
return wpa_drv_send_tdls_mgmt(wpa_s, dst, action_code, dialog_token,
status_code, peer_capab, initiator, buf,
len);
len, link_id);
}