Cumulative patch from commit 6e9023ea499ea9a89b0e858c85e32b455d57264c
6e9023e DFS: Allow wpa_supplicant AP mode to use non-offloaded DFS
02e42ab nl80211: Add vendor event parsing for DFS offload events
bd0f68c DFS: wpa_supplicant event processing
d7f1aa8 DFS offload: P2P changes for autonomous GO
1e2aaff DFS offload: Indicate AP-CSA-FINISHED for DFS offloaded case
c13578c DFS offload: Add main DFS handler for offloaded case
5de81d7 DFS offload: Skip user space processing for CAC operations
192ad3d Interworking: Clear SCANNING state if no match found
95d7b86 P2P: Consider 5 GHz channels also for auto GO
a51c40a P2P: Fix regression in start-GO/AP through a "fake" scan
dd5c155 eap_proxy: Callback to notify any updates from eap_proxy
9a05d98 atheros: Add a new flag for OSEN support
9feadba Remove unnecessary NULL check to make function more consistent
1772d34 P2P: Fix interface deinit for failed group interface initialization
3f9ebc4 P2P: Allow AP/GO interface to be started while P2P-in-progress
b4a9292 RADIUS client: Fix server failover on return-to-primary on error case
9836cb5 Add option to force a specific RADIUS client address to be used
1a7ed38 RADIUS client: Fix a copy-paste error in accounting server failover
de7c06e P2P: Continue find in GO-Neg-Resp-fail status corner cases
c280590 Do not add blacklist entries based on normal disconnect request cases
bdf0518 P2P: Direct P2P_CONNECT command to proper interface
44b9ea5 P2P: Do not allow scan or normal association on cfg80211 P2P Device
9542f21 Clean up p2p_find command parsing and execution
fa9f381 P2P: Allow a specific channel to be specified in P2P_FIND
eb78a8d P2P: Restore P2P_SCAN_SPECIFIC
d988ff7 hostapd: Disable VHT caps for STAs when no valid VHT MCS found
70fd828 RADIUS client: Fix previous failover change
c3dabf5 Fix merge issue with IBSS VHT support
8b2b718 Fix minor issue in HT40 max rate determination
347c55e RADIUS client: Re-try connection if socket is closed on retransmit
94b39e5 RADIUS client: Fix server connection recovery after initial failure
bbee36e Allow RADIUS server address to be replaced
efb4008 TLS: Remove placeholders for SIGN_ALG_DSA support
Change-Id: I8e5d0dfd5fddb6de2f8d8211b708c3bb6674098b
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/ap/dfs.c b/src/ap/dfs.c
index fc8d7ad..da6fd46 100644
--- a/src/ap/dfs.c
+++ b/src/ap/dfs.c
@@ -1,7 +1,7 @@
/*
* DFS - Dynamic Frequency Selection
* Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
- * Copyright (c) 2013, Qualcomm Atheros, Inc.
+ * Copyright (c) 2013-2015, Qualcomm Atheros, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
@@ -748,11 +748,19 @@
if (success) {
/* Complete iface/ap configuration */
- set_dfs_state(iface, freq, ht_enabled, chan_offset,
- chan_width, cf1, cf2,
- HOSTAPD_CHAN_DFS_AVAILABLE);
- iface->cac_started = 0;
- hostapd_setup_interface_complete(iface, 0);
+ if (iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) {
+ /* Complete AP configuration for the first bring up. */
+ if (iface->state != HAPD_IFACE_ENABLED)
+ hostapd_setup_interface_complete(iface, 0);
+ else
+ iface->cac_started = 0;
+ } else {
+ set_dfs_state(iface, freq, ht_enabled, chan_offset,
+ chan_width, cf1, cf2,
+ HOSTAPD_CHAN_DFS_AVAILABLE);
+ iface->cac_started = 0;
+ hostapd_setup_interface_complete(iface, 0);
+ }
}
return 0;
@@ -934,13 +942,17 @@
{
int res;
- if (!iface->conf->ieee80211h)
- return 0;
-
wpa_msg(iface->bss[0]->msg_ctx, MSG_INFO, DFS_EVENT_RADAR_DETECTED
"freq=%d ht_enabled=%d chan_offset=%d chan_width=%d cf1=%d cf2=%d",
freq, ht_enabled, chan_offset, chan_width, cf1, cf2);
+ /* Proceed only if DFS is not offloaded to the driver */
+ if (iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD)
+ return 0;
+
+ if (!iface->conf->ieee80211h)
+ return 0;
+
/* mark radar frequency as invalid */
set_dfs_state(iface, freq, ht_enabled, chan_offset, chan_width,
cf1, cf2, HOSTAPD_CHAN_DFS_UNAVAILABLE);
@@ -964,6 +976,11 @@
wpa_msg(iface->bss[0]->msg_ctx, MSG_INFO, DFS_EVENT_NOP_FINISHED
"freq=%d ht_enabled=%d chan_offset=%d chan_width=%d cf1=%d cf2=%d",
freq, ht_enabled, chan_offset, chan_width, cf1, cf2);
+
+ /* Proceed only if DFS is not offloaded to the driver */
+ if (iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD)
+ return 0;
+
/* TODO add correct implementation here */
set_dfs_state(iface, freq, ht_enabled, chan_offset, chan_width,
cf1, cf2, HOSTAPD_CHAN_DFS_USABLE);
@@ -995,3 +1012,53 @@
res = dfs_check_chans_radar(iface, start_chan_idx1, n_chans1);
return res;
}
+
+
+int hostapd_dfs_start_cac(struct hostapd_iface *iface, int freq,
+ int ht_enabled, int chan_offset, int chan_width,
+ int cf1, int cf2)
+{
+ wpa_msg(iface->bss[0]->msg_ctx, MSG_INFO, DFS_EVENT_CAC_START
+ "freq=%d chan=%d chan_offset=%d width=%d seg0=%d "
+ "seg1=%d cac_time=%ds",
+ freq, (freq - 5000) / 5, chan_offset, chan_width, cf1, cf2, 60);
+ iface->cac_started = 1;
+ return 0;
+}
+
+
+/*
+ * Main DFS handler for offloaded case.
+ * 2 - continue channel/AP setup for non-DFS channel
+ * 1 - continue channel/AP setup for DFS channel
+ * 0 - channel/AP setup will be continued after CAC
+ * -1 - hit critical error
+ */
+int hostapd_handle_dfs_offload(struct hostapd_iface *iface)
+{
+ wpa_printf(MSG_DEBUG, "%s: iface->cac_started: %d",
+ __func__, iface->cac_started);
+
+ /*
+ * If DFS has already been started, then we are being called from a
+ * callback to continue AP/channel setup. Reset the CAC start flag and
+ * return.
+ */
+ if (iface->cac_started) {
+ wpa_printf(MSG_DEBUG, "%s: iface->cac_started: %d",
+ __func__, iface->cac_started);
+ iface->cac_started = 0;
+ return 1;
+ }
+
+ if (ieee80211_is_dfs(iface->freq)) {
+ wpa_printf(MSG_DEBUG, "%s: freq %d MHz requires DFS",
+ __func__, iface->freq);
+ return 0;
+ }
+
+ wpa_printf(MSG_DEBUG,
+ "%s: freq %d MHz does not require DFS. Continue channel/AP setup",
+ __func__, iface->freq);
+ return 2;
+}