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GAS: Handle no-ACK TX status for GAS request frames

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Previously, only the success and failure (to TX) cases were handled. It
is also possible for the driver to transmit the frame, but not receive
an ACK from the recipient. Address that by waiting for a short period of
time for a response. This fixes cases where OSU provider icon fetching
could get stuck if no ACK frame is received.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2017-03-26 12:34:06 +03:00 committed by Jouni Malinen
parent e4612f8443
commit a34317b526
1 changed files with 10 additions and 3 deletions
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13
wpa_supplicant/gas_query.c
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@ -243,10 +243,17 @@ static void gas_query_tx_status(struct wpa_supplicant *wpa_s,
}
os_get_reltime(&query->last_oper);
if (result == OFFCHANNEL_SEND_ACTION_SUCCESS) {
if (result == OFFCHANNEL_SEND_ACTION_SUCCESS ||
result == OFFCHANNEL_SEND_ACTION_NO_ACK) {
eloop_cancel_timeout(gas_query_timeout, gas, query);
eloop_register_timeout(GAS_QUERY_TIMEOUT_PERIOD, 0,
gas_query_timeout, gas, query);
if (result == OFFCHANNEL_SEND_ACTION_NO_ACK) {
wpa_printf(MSG_DEBUG, "GAS: No ACK to GAS request");
eloop_register_timeout(0, 250000,
gas_query_timeout, gas, query);
} else {
eloop_register_timeout(GAS_QUERY_TIMEOUT_PERIOD, 0,
gas_query_timeout, gas, query);
}
if (query->wait_comeback && !query->retry) {
eloop_cancel_timeout(gas_query_rx_comeback_timeout,
gas, query);