DGNum/hostapd
6
0
Fork 0
Code Issues Pull requests 1 Projects Releases Packages Wiki Activity Actions

nl80211: Use a QCA vendor command to set the link for TDLS Discovery Response

Browse source 
For now, only a vendor command is available for this functionality that
is needed to implement single-link TDLS during an MLO association.

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 e3a68081bc
commit c7561502f2
1 changed files with 40 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

40
src/drivers/driver_nl80211.c
View file

@ -10275,6 +10275,42 @@ static int nl80211_add_peer_capab(struct nl_msg *msg,
}
static int
nl80211_tdls_set_discovery_resp_link(struct wpa_driver_nl80211_data *drv,
int link_id)
{
#ifdef CONFIG_DRIVER_NL80211_QCA
struct nl_msg *msg;
struct nlattr *params;
wpa_printf(MSG_DEBUG, "nl80211: TDLS Discovery Response Tx link ID %u",
link_id);
if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
QCA_NL80211_VENDOR_SUBCMD_TDLS_DISC_RSP_EXT) ||
!(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_TDLS_DISC_RSP_EXT_TX_LINK,
link_id)) {
wpa_printf(MSG_ERROR,
"%s: err in adding vendor_cmd and vendor_data",
__func__);
nlmsg_free(msg);
return -1;
}
nla_nest_end(msg, params);
return send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
#else /* CONFIG_DRIVER_NL80211_QCA */
wpa_printf(MSG_ERROR,
"nl80211: Setting TX link for TDLS Discovery Response not supported");
return -1;
#endif /* CONFIG_DRIVER_NL80211_QCA */
}
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,
@ -10290,6 +10326,10 @@ static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
if (!dst)
return -EINVAL;
if (link_id >= 0 &&
nl80211_tdls_set_discovery_resp_link(drv, link_id) < 0)
return -EOPNOTSUPP;
if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||