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authorFelix Fietkau <nbd@nbd.name>2019-01-28 21:35:25 +0100
committerFelix Fietkau <nbd@nbd.name>2019-01-29 11:27:06 +0100
commitae6b5815cd01864ad10e7d26b3565b2af3aa938c (patch)
treeed547500848da71dedb43d5c986eb68b8a1040f3 /package/network/services/hostapd
parent01895c315f0485779a2e312c58708a32b4ea1f9a (diff)
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hostapd: add support for passing CSA events from sta/mesh to AP interfaces
Fixes handling CSA when using AP+STA or AP+Mesh Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'package/network/services/hostapd')
-rw-r--r--package/network/services/hostapd/patches/370-ap_sta_support.patch181
-rw-r--r--package/network/services/hostapd/patches/380-disable_ctrl_iface_mib.patch4
2 files changed, 183 insertions, 2 deletions
diff --git a/package/network/services/hostapd/patches/370-ap_sta_support.patch b/package/network/services/hostapd/patches/370-ap_sta_support.patch
index ecb9460e95..d93984a172 100644
--- a/package/network/services/hostapd/patches/370-ap_sta_support.patch
+++ b/package/network/services/hostapd/patches/370-ap_sta_support.patch
@@ -244,3 +244,184 @@
char *confname;
char *confanother;
+--- a/hostapd/ctrl_iface.c
++++ b/hostapd/ctrl_iface.c
+@@ -2328,6 +2328,11 @@ static int hostapd_ctrl_iface_chan_switc
+ if (ret)
+ return ret;
+
++ if (os_strstr(pos, " auto-ht")) {
++ settings.freq_params.ht_enabled = iface->conf->ieee80211n;
++ settings.freq_params.vht_enabled = iface->conf->ieee80211ac;
++ }
++
+ for (i = 0; i < iface->num_bss; i++) {
+
+ /* Save CHAN_SWITCH VHT config */
+--- a/src/ap/beacon.c
++++ b/src/ap/beacon.c
+@@ -1381,11 +1381,6 @@ int ieee802_11_set_beacon(struct hostapd
+ struct wpabuf *beacon, *proberesp, *assocresp;
+ int res, ret = -1;
+
+- if (hapd->csa_in_progress) {
+- wpa_printf(MSG_ERROR, "Cannot set beacons during CSA period");
+- return -1;
+- }
+-
+ hapd->beacon_set_done = 1;
+
+ if (ieee802_11_build_ap_params(hapd, &params) < 0)
+--- a/src/drivers/driver.h
++++ b/src/drivers/driver.h
+@@ -4469,6 +4469,13 @@ enum wpa_event_type {
+ EVENT_CH_SWITCH,
+
+ /**
++ * EVENT_CH_SWITCH - AP or GO will switch channels soon
++ *
++ * Described in wpa_event_data.ch_switch
++ * */
++ EVENT_CH_SWITCH_STARTED,
++
++ /**
+ * EVENT_WNM - Request WNM operation
+ *
+ * This event can be used to request a WNM operation to be performed.
+@@ -5306,6 +5313,7 @@ union wpa_event_data {
+
+ /**
+ * struct ch_switch
++ * @count: countdown until channel switch
+ * @freq: Frequency of new channel in MHz
+ * @ht_enabled: Whether this is an HT channel
+ * @ch_offset: Secondary channel offset
+@@ -5314,6 +5322,7 @@ union wpa_event_data {
+ * @cf2: Center frequency 2
+ */
+ struct ch_switch {
++ int count;
+ int freq;
+ int ht_enabled;
+ int ch_offset;
+--- a/src/drivers/driver_nl80211_event.c
++++ b/src/drivers/driver_nl80211_event.c
+@@ -526,7 +526,8 @@ static int calculate_chan_offset(int wid
+ static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
+ struct nlattr *ifindex, struct nlattr *freq,
+ struct nlattr *type, struct nlattr *bw,
+- struct nlattr *cf1, struct nlattr *cf2)
++ struct nlattr *cf1, struct nlattr *cf2,
++ struct nlattr *count)
+ {
+ struct i802_bss *bss;
+ union wpa_event_data data;
+@@ -584,11 +585,15 @@ static void mlme_event_ch_switch(struct
+ data.ch_switch.cf1 = nla_get_u32(cf1);
+ if (cf2)
+ data.ch_switch.cf2 = nla_get_u32(cf2);
++ if (count)
++ data.ch_switch.count = nla_get_u32(count);
+
+ bss->freq = data.ch_switch.freq;
+ drv->assoc_freq = data.ch_switch.freq;
+
+- wpa_supplicant_event(bss->ctx, EVENT_CH_SWITCH, &data);
++ wpa_supplicant_event(bss->ctx,
++ count ? EVENT_CH_SWITCH_STARTED : EVENT_CH_SWITCH,
++ &data);
+ }
+
+
+@@ -2446,6 +2451,7 @@ static void do_process_drv_event(struct
+ tb[NL80211_ATTR_PMK],
+ tb[NL80211_ATTR_PMKID]);
+ break;
++ case NL80211_CMD_CH_SWITCH_STARTED_NOTIFY:
+ case NL80211_CMD_CH_SWITCH_NOTIFY:
+ mlme_event_ch_switch(drv,
+ tb[NL80211_ATTR_IFINDEX],
+@@ -2453,7 +2459,8 @@ static void do_process_drv_event(struct
+ tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
+ tb[NL80211_ATTR_CHANNEL_WIDTH],
+ tb[NL80211_ATTR_CENTER_FREQ1],
+- tb[NL80211_ATTR_CENTER_FREQ2]);
++ tb[NL80211_ATTR_CENTER_FREQ2],
++ tb[NL80211_ATTR_CH_SWITCH_COUNT]);
+ break;
+ case NL80211_CMD_DISCONNECT:
+ mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE],
+--- a/wpa_supplicant/events.c
++++ b/wpa_supplicant/events.c
+@@ -4026,6 +4026,60 @@ static void wpas_event_assoc_reject(stru
+ }
+
+
++static void
++supplicant_ch_switch_started(struct wpa_supplicant *wpa_s,
++ union wpa_event_data *data)
++{
++ char buf[256];
++ size_t len = sizeof(buf);
++ char *cmd = NULL;
++ int width = 20;
++ int ret;
++
++ if (!wpa_s->hostapd)
++ return;
++
++ wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CHANNEL_SWITCH
++ "count=%d freq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d",
++ data->ch_switch.count,
++ data->ch_switch.freq,
++ data->ch_switch.ht_enabled,
++ data->ch_switch.ch_offset,
++ channel_width_to_string(data->ch_switch.ch_width),
++ data->ch_switch.cf1,
++ data->ch_switch.cf2);
++
++ switch (data->ch_switch.ch_width) {
++ case CHAN_WIDTH_20_NOHT:
++ case CHAN_WIDTH_20:
++ width = 20;
++ break;
++ case CHAN_WIDTH_40:
++ width = 40;
++ break;
++ case CHAN_WIDTH_80:
++ width = 80;
++ break;
++ case CHAN_WIDTH_160:
++ case CHAN_WIDTH_80P80:
++ width = 160;
++ break;
++ }
++
++ asprintf(&cmd, "CHAN_SWITCH %d %d sec_channel_offset=%d center_freq1=%d center_freq2=%d, bandwidth=%d auto-ht\n",
++ data->ch_switch.count - 1,
++ data->ch_switch.freq,
++ data->ch_switch.ch_offset,
++ data->ch_switch.cf1,
++ data->ch_switch.cf2,
++ width);
++ ret = wpa_ctrl_request(wpa_s->hostapd, cmd, os_strlen(cmd), buf, &len, NULL);
++ free(cmd);
++
++ if (ret < 0)
++ wpa_printf(MSG_ERROR, "\nFailed to reload hostapd AP interfaces\n");
++}
++
+ void supplicant_event(void *ctx, enum wpa_event_type event,
+ union wpa_event_data *data)
+ {
+@@ -4309,6 +4363,10 @@ void supplicant_event(void *ctx, enum wp
+ data->rx_from_unknown.wds);
+ break;
+ #endif /* CONFIG_AP */
++ case EVENT_CH_SWITCH_STARTED:
++ supplicant_ch_switch_started(wpa_s, data);
++ break;
++
+ case EVENT_CH_SWITCH:
+ if (!data || !wpa_s->current_ssid)
+ break;
diff --git a/package/network/services/hostapd/patches/380-disable_ctrl_iface_mib.patch b/package/network/services/hostapd/patches/380-disable_ctrl_iface_mib.patch
index e978fbc689..2fe03340a8 100644
--- a/package/network/services/hostapd/patches/380-disable_ctrl_iface_mib.patch
+++ b/package/network/services/hostapd/patches/380-disable_ctrl_iface_mib.patch
@@ -12,7 +12,7 @@
else
--- a/hostapd/ctrl_iface.c
+++ b/hostapd/ctrl_iface.c
-@@ -2907,6 +2907,7 @@ static int hostapd_ctrl_iface_receive_pr
+@@ -2912,6 +2912,7 @@ static int hostapd_ctrl_iface_receive_pr
reply_size);
} else if (os_strcmp(buf, "STATUS-DRIVER") == 0) {
reply_len = hostapd_drv_status(hapd, reply, reply_size);
@@ -20,7 +20,7 @@
} else if (os_strcmp(buf, "MIB") == 0) {
reply_len = ieee802_11_get_mib(hapd, reply, reply_size);
if (reply_len >= 0) {
-@@ -2948,6 +2949,7 @@ static int hostapd_ctrl_iface_receive_pr
+@@ -2953,6 +2954,7 @@ static int hostapd_ctrl_iface_receive_pr
} else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
reply_len = hostapd_ctrl_iface_sta_next(hapd, buf + 9, reply,
reply_size);