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Indicate wifi_generation in wpa_supplicant STATUS output

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This adds a wifi_generation=4/5/6 line to the STATUS output if the
driver reports (Re)Association Request frame and (Re)Association
Response frame information elements in the association or connection
event. Only the generations 4 (HT = 802.11n), 5 (VHT = 802.11ac), and 6
(HE = 802.11ax) are reported.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2019-02-14 22:24:16 +02:00 committed by Jouni Malinen
parent ccaf774767
commit 3f8ceff54c
3 changed files with 36 additions and 0 deletions
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12
wpa_supplicant/ctrl_iface.c
View File

@ -2118,6 +2118,18 @@ static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
pos += ret;
}
if (wpa_s->connection_set &&
(wpa_s->connection_ht || wpa_s->connection_vht ||
wpa_s->connection_he)) {
ret = os_snprintf(pos, end - pos,
"wifi_generation=%u\n",
wpa_s->connection_he ? 6 :
(wpa_s->connection_vht ? 5 : 4));
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
#ifdef CONFIG_AP
if (wpa_s->ap_iface) {
pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,

20
wpa_supplicant/events.c
View File

@ -2409,6 +2409,26 @@ static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz",
data->assoc_info.freq);
wpa_s->connection_set = 0;
if (data->assoc_info.req_ies && data->assoc_info.resp_ies) {
struct ieee802_11_elems req_elems, resp_elems;
if (ieee802_11_parse_elems(data->assoc_info.req_ies,
data->assoc_info.req_ies_len,
&req_elems, 0) != ParseFailed &&
ieee802_11_parse_elems(data->assoc_info.resp_ies,
data->assoc_info.resp_ies_len,
&resp_elems, 0) != ParseFailed) {
wpa_s->connection_set = 1;
wpa_s->connection_ht = req_elems.ht_capabilities &&
resp_elems.ht_capabilities;
wpa_s->connection_vht = req_elems.vht_capabilities &&
resp_elems.vht_capabilities;
wpa_s->connection_he = req_elems.he_capabilities &&
resp_elems.he_capabilities;
}
}
p = data->assoc_info.req_ies;
l = data->assoc_info.req_ies_len;

4
wpa_supplicant/wpa_supplicant_i.h
View File

@ -751,6 +751,10 @@ struct wpa_supplicant {
unsigned int wnmsleep_used:1;
unsigned int owe_transition_select:1;
unsigned int owe_transition_search:1;
unsigned int connection_set:1;
unsigned int connection_ht:1;
unsigned int connection_vht:1;
unsigned int connection_he:1;
struct os_reltime last_mac_addr_change;
int last_mac_addr_style;