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TDLS: Pass peer's VHT Capability information during sta_add

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The information of the peer's VHT capability is required for the
driver to establish a TDLS link in VHT mode with a compatible peer.
Pass this information to the driver when the peer station is
getting added.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Sunil Dutt 2013-02-25 10:31:50 +02:00 committed by Jouni Malinen
parent 03cd173bd8
commit f8361e3d68
6 changed files with 53 additions and 6 deletions
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46
src/rsn_supp/tdls.c
View file

@ -122,6 +122,7 @@ struct wpa_tdls_peer {
size_t supp_rates_len;
struct ieee80211_ht_capabilities *ht_capabilities;
struct ieee80211_vht_capabilities *vht_capabilities;
u8 qos_info;
@ -620,6 +621,8 @@ static void wpa_tdls_peer_free(struct wpa_sm *sm, struct wpa_tdls_peer *peer)
peer->sm_tmr.buf = NULL;
os_free(peer->ht_capabilities);
peer->ht_capabilities = NULL;
os_free(peer->vht_capabilities);
peer->vht_capabilities = NULL;
os_free(peer->ext_capab);
peer->ext_capab = NULL;
peer->rsnie_i_len = peer->rsnie_p_len = 0;
@ -1370,6 +1373,34 @@ static int copy_peer_ht_capab(const struct wpa_eapol_ie_parse *kde,
}
static int copy_peer_vht_capab(const struct wpa_eapol_ie_parse *kde,
struct wpa_tdls_peer *peer)
{
if (!kde->vht_capabilities ||
kde->vht_capabilities_len <
sizeof(struct ieee80211_vht_capabilities) ) {
wpa_printf(MSG_DEBUG, "TDLS: No supported vht capabilities "
"received");
return 0;
}
if (!peer->vht_capabilities) {
peer->vht_capabilities =
os_zalloc(sizeof(struct ieee80211_vht_capabilities));
if (peer->vht_capabilities == NULL)
return -1;
}
os_memcpy(peer->vht_capabilities, kde->vht_capabilities,
sizeof(struct ieee80211_vht_capabilities));
wpa_hexdump(MSG_DEBUG, "TDLS: Peer VHT capabilities",
(u8 *) peer->vht_capabilities,
sizeof(struct ieee80211_vht_capabilities));
return 0;
}
static int copy_peer_ext_capab(const struct wpa_eapol_ie_parse *kde,
struct wpa_tdls_peer *peer)
{
@ -1466,6 +1497,9 @@ static int wpa_tdls_process_tpk_m1(struct wpa_sm *sm, const u8 *src_addr,
if (copy_peer_ht_capab(&kde, peer) < 0)
goto error;
if (copy_peer_vht_capab(&kde, peer) < 0)
goto error;
if (copy_peer_ext_capab(&kde, peer) < 0)
goto error;
@ -1694,7 +1728,7 @@ skip_rsn:
skip_rsn_check:
/* add the peer to the driver as a "setup in progress" peer */
wpa_sm_tdls_peer_addset(sm, peer->addr, 1, 0, NULL, 0, NULL, 0,
wpa_sm_tdls_peer_addset(sm, peer->addr, 1, 0, NULL, 0, NULL, NULL, 0,
NULL, 0);
wpa_printf(MSG_DEBUG, "TDLS: Sending TDLS Setup Response / TPK M2");
@ -1738,8 +1772,9 @@ static void wpa_tdls_enable_link(struct wpa_sm *sm, struct wpa_tdls_peer *peer)
/* add supported rates, capabilities, and qos_info to the TDLS peer */
wpa_sm_tdls_peer_addset(sm, peer->addr, 0, peer->capability,
peer->supp_rates, peer->supp_rates_len,
peer->ht_capabilities, peer->qos_info,
peer->ext_capab, peer->ext_capab_len);
peer->ht_capabilities, peer->vht_capabilities,
peer->qos_info, peer->ext_capab,
peer->ext_capab_len);
wpa_sm_tdls_oper(sm, TDLS_ENABLE_LINK, peer->addr);
}
@ -1838,6 +1873,9 @@ static int wpa_tdls_process_tpk_m2(struct wpa_sm *sm, const u8 *src_addr,
if (copy_peer_ht_capab(&kde, peer) < 0)
goto error;
if (copy_peer_vht_capab(&kde, peer) < 0)
goto error;
if (copy_peer_ext_capab(&kde, peer) < 0)
goto error;
@ -2146,7 +2184,7 @@ int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr)
peer->initiator = 1;
/* add the peer to the driver as a "setup in progress" peer */
wpa_sm_tdls_peer_addset(sm, peer->addr, 1, 0, NULL, 0, NULL, 0,
wpa_sm_tdls_peer_addset(sm, peer->addr, 1, 0, NULL, 0, NULL, NULL, 0,
NULL, 0);
if (wpa_tdls_send_tpk_m1(sm, peer) < 0) {

1
src/rsn_supp/wpa.h
View file

@ -60,6 +60,7 @@ struct wpa_sm_ctx {
u16 capability, const u8 *supp_rates,
size_t supp_rates_len,
const struct ieee80211_ht_capabilities *ht_capab,
const struct ieee80211_vht_capabilities *vht_capab,
u8 qosinfo, const u8 *ext_capab,
size_t ext_capab_len);
#endif /* CONFIG_TDLS */

5
src/rsn_supp/wpa_i.h
View file

@ -285,14 +285,15 @@ wpa_sm_tdls_peer_addset(struct wpa_sm *sm, const u8 *addr, int add,
u16 capability, const u8 *supp_rates,
size_t supp_rates_len,
const struct ieee80211_ht_capabilities *ht_capab,
const struct ieee80211_vht_capabilities *vht_capab,
u8 qosinfo, const u8 *ext_capab, size_t ext_capab_len)
{
if (sm->ctx->tdls_peer_addset)
return sm->ctx->tdls_peer_addset(sm->ctx->ctx, addr, add,
capability, supp_rates,
supp_rates_len, ht_capab,
qosinfo, ext_capab,
ext_capab_len);
vht_capab, qosinfo,
ext_capab, ext_capab_len);
return -1;
}
#endif /* CONFIG_TDLS */

3
src/rsn_supp/wpa_ie.c
View file

@ -430,6 +430,9 @@ int wpa_supplicant_parse_ies(const u8 *buf, size_t len,
} else if (*pos == WLAN_EID_HT_CAP) {
ie->ht_capabilities = pos + 2;
ie->ht_capabilities_len = pos[1];
} else if (*pos == WLAN_EID_VHT_CAP) {
ie->vht_capabilities = pos + 2;
ie->vht_capabilities_len = pos[1];
} else if (*pos == WLAN_EID_QOS && pos[1] >= 1) {
ie->qosinfo = pos[2];
} else if (*pos == WLAN_EID_VENDOR_SPECIFIC) {

2
src/rsn_supp/wpa_ie.h
View file

@ -51,6 +51,8 @@ struct wpa_eapol_ie_parse {
size_t ext_supp_rates_len;
const u8 *ht_capabilities;
size_t ht_capabilities_len;
const u8 *vht_capabilities;
size_t vht_capabilities_len;
u8 qosinfo;
};

2
wpa_supplicant/wpas_glue.c
View file

@ -554,6 +554,7 @@ static int wpa_supplicant_tdls_peer_addset(
void *ctx, const u8 *peer, int add, u16 capability,
const u8 *supp_rates, size_t supp_rates_len,
const struct ieee80211_ht_capabilities *ht_capab,
const struct ieee80211_vht_capabilities *vht_capab,
u8 qosinfo, const u8 *ext_capab, size_t ext_capab_len)
{
struct wpa_supplicant *wpa_s = ctx;
@ -574,6 +575,7 @@ static int wpa_supplicant_tdls_peer_addset(
params.flags |= WPA_STA_WMM;
params.ht_capabilities = ht_capab;
params.vht_capabilities = vht_capab;
params.qosinfo = qosinfo;
params.listen_interval = 0;
params.supp_rates = supp_rates;