[PATCH 20/26] ap: Provide an offset to CSA counters in probe resp.

[Ilan Peer]

From: Andrei Otcheretianski <andrei.otcheretianski at intel.com>

Pass to driver a list of CSA counters' offsets when sending probe
responses during CSA period.
This allows the kernel to correctly update the CSA/eCSA IEs.

Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski at intel.com>
---
 src/ap/beacon.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/ap/beacon.c b/src/ap/beacon.c
index 08aa569..2c960aa 100644
--- a/src/ap/beacon.c
+++ b/src/ap/beacon.c
@@ -675,6 +675,9 @@ void handle_probe_req(struct hostapd_data *hapd,
 	size_t i, resp_len;
 	int noack;
 	enum ssid_match_result res;
+	int ret;
+	u16 csa_offs[2];
+	size_t csa_offs_len;
 
 	ie = mgmt->u.probe_req.variable;
 	if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req))
@@ -863,7 +866,22 @@ void handle_probe_req(struct hostapd_data *hapd,
 	noack = !!(res == WILDCARD_SSID_MATCH &&
 		   is_broadcast_ether_addr(mgmt->da));
 
-	if (hostapd_drv_send_mlme(hapd, resp, resp_len, noack, NULL, 0) < 0)
+	csa_offs_len = 0;
+	if (hapd->csa_in_progress) {
+		if (hapd->cs_c_off_proberesp)
+			csa_offs[csa_offs_len++] =
+				hapd->cs_c_off_proberesp;
+
+		if (hapd->cs_c_off_ecsa_proberesp)
+			csa_offs[csa_offs_len++] =
+				hapd->cs_c_off_ecsa_proberesp;
+	}
+
+	ret = hostapd_drv_send_mlme(hapd, resp, resp_len, noack,
+				    csa_offs_len ? csa_offs : NULL,
+				    csa_offs_len);
+
+	if (ret < 0)
 		wpa_printf(MSG_INFO, "handle_probe_req: send failed");
 
 	os_free(resp);
-- 
1.9.1