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nl80211: DPP listen mode callback

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Update frame processing registration for DPP Public Action frames to
include multicast reception when in DPP listen mode and the driver
indicates support for this type of explicit request.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2020-04-20 23:53:21 +03:00 committed by Jouni Malinen
parent 05abebaa06
commit a39e9af908
3 changed files with 44 additions and 11 deletions
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50
src/drivers/driver_nl80211.c
View file

@ -2165,7 +2165,8 @@ static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
static int nl80211_register_frame(struct i802_bss *bss,
struct nl_sock *nl_handle,
u16 type, const u8 *match, size_t match_len)
u16 type, const u8 *match, size_t match_len,
bool multicast)
{
struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
@ -2174,10 +2175,12 @@ static int nl80211_register_frame(struct i802_bss *bss,
buf[0] = '\0';
wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
type, fc2str(type), nl_handle, buf);
wpa_printf(MSG_DEBUG,
"nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s multicast=%d",
type, fc2str(type), nl_handle, buf, multicast);
if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_FRAME)) ||
(multicast && nla_put_flag(msg, NL80211_ATTR_RECEIVE_MULTICAST)) ||
nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
nlmsg_free(msg);
@ -2225,7 +2228,7 @@ static int nl80211_register_action_frame(struct i802_bss *bss,
{
u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
return nl80211_register_frame(bss, bss->nl_mgmt,
type, match, match_len);
type, match, match_len, false);
}
@ -2242,12 +2245,12 @@ static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
/* register for any AUTH message */
nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0, false);
} else if ((drv->capa.flags & WPA_DRIVER_FLAGS_SAE) &&
!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
/* register for SAE Authentication frames */
nl80211_register_frame(bss, bss->nl_mgmt, type,
(u8 *) "\x03\x00", 2);
(u8 *) "\x03\x00", 2, false);
}
#ifdef CONFIG_INTERWORKING
@ -2389,7 +2392,7 @@ static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
if (nl80211_register_frame(bss, bss->nl_mgmt,
(WLAN_FC_TYPE_MGMT << 2) |
(WLAN_FC_STYPE_AUTH << 4),
NULL, 0) < 0)
NULL, 0, false) < 0)
ret = -1;
/* Mesh peering open */
@ -2495,7 +2498,7 @@ static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
if (nl80211_register_frame(bss, bss->nl_mgmt,
(WLAN_FC_TYPE_MGMT << 2) |
(stypes[i] << 4),
NULL, 0) < 0) {
NULL, 0, false) < 0) {
goto out_err;
}
}
@ -2529,8 +2532,8 @@ static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
/* Register for all Authentication frames */
if (nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0)
< 0)
if (nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0,
false) < 0)
wpa_printf(MSG_DEBUG,
"nl80211: Failed to subscribe to handle Authentication frames - SAE offload may not work");
}
@ -7931,7 +7934,7 @@ static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
if (nl80211_register_frame(bss, bss->nl_preq,
(WLAN_FC_TYPE_MGMT << 2) |
(WLAN_FC_STYPE_PROBE_REQ << 4),
NULL, 0) < 0)
NULL, 0, false) < 0)
goto out_err;
nl80211_register_eloop_read(&bss->nl_preq,
@ -11433,6 +11436,28 @@ fail:
}
#ifdef CONFIG_DPP
static int nl80211_dpp_listen(void *priv, bool enable)
{
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;
u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
struct nl_sock *handle;
if (!drv->multicast_registrations || !bss->nl_mgmt)
return 0; /* cannot do more than hope broadcast RX works */
wpa_printf(MSG_DEBUG,
"nl80211: Update DPP Public Action frame registration (%s multicast RX)",
enable ? "enable" : "disable");
handle = (void *) (((intptr_t) bss->nl_mgmt) ^ ELOOP_SOCKET_INVALID);
return nl80211_register_frame(bss, handle, type,
(u8 *) "\x04\x09\x50\x6f\x9a\x1a", 6,
enable);
}
#endif /* CONFIG_DPP */
const struct wpa_driver_ops wpa_driver_nl80211_ops = {
.name = "nl80211",
.desc = "Linux nl80211/cfg80211",
@ -11568,4 +11593,7 @@ const struct wpa_driver_ops wpa_driver_nl80211_ops = {
.update_connect_params = nl80211_update_connection_params,
.send_external_auth_status = nl80211_send_external_auth_status,
.set_4addr_mode = nl80211_set_4addr_mode,
#ifdef CONFIG_DPP
.dpp_listen = nl80211_dpp_listen,
#endif /* CONFIG_DPP */
};

1
src/drivers/driver_nl80211.h
View file

@ -172,6 +172,7 @@ struct wpa_driver_nl80211_data {
unsigned int get_supported_akm_suites_avail:1;
unsigned int add_sta_node_vendor_cmd_avail:1;
unsigned int control_port_ap:1;
unsigned int multicast_registrations:1;
u64 vendor_scan_cookie;
u64 remain_on_chan_cookie;

4
src/drivers/driver_nl80211_capa.c
View file

@ -460,6 +460,10 @@ static void wiphy_info_ext_feature_flags(struct wiphy_info_data *info,
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_EXT_KEY_ID))
capa->flags |= WPA_DRIVER_FLAGS_EXTENDED_KEY_ID;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS))
info->drv->multicast_registrations = 1;
}