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hostapd: improve switch_chan support

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Make the code retain current op_class if no new one was provided
via ubus.

Fixes: WIFI-7050
Signed-off-by: John Crispin <john@phrozen.org>
This commit is contained in:
John Crispin
2022-02-12 10:06:58 +01:00
parent b04759322c
commit 88d783c8ad
2 changed files with 123 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
feeds/wifi-ax/hostapd/src/src/ap/ubus.c
View File

@@ -11,6 +11,7 @@
#include "utils/eloop.h"
#include "utils/wpabuf.h"
#include "common/ieee802_11_defs.h"
#include "common/hw_features_common.h"
#include "hostapd.h"
#include "neighbor_db.h"
#include "wps_hostapd.h"
@@ -22,6 +23,7 @@
#include "wnm_ap.h"
#include "taxonomy.h"
#include "airtime_policy.h"
#include "hw_features.h"
static struct ubus_context *ctx;
static struct blob_buf b;
@@ -781,6 +783,7 @@ hostapd_switch_chan(struct ubus_context *ctx, struct ubus_object *obj,
struct hostapd_data *hapd = get_hapd_from_object(obj);
struct hostapd_config *iconf = hapd->iface->conf;
struct hostapd_freq_params *freq_params;
struct hostapd_hw_modes *mode = hapd->iface->current_mode;
struct csa_settings css = {
.freq_params = {
.ht_enabled = iconf->ieee80211n,
@@ -789,6 +792,8 @@ hostapd_switch_chan(struct ubus_context *ctx, struct ubus_object *obj,
.sec_channel_offset = iconf->secondary_channel,
}
};
u8 chwidth = hostapd_get_oper_chwidth(iconf);
u8 seg0 = 0, seg1 = 0;
int ret = UBUS_STATUS_OK;
int i;
@@ -830,6 +835,35 @@ hostapd_switch_chan(struct ubus_context *ctx, struct ubus_object *obj,
SET_CSA_SETTING(CSA_HE, freq_params.he_enabled, bool);
SET_CSA_SETTING(CSA_BLOCK_TX, block_tx, bool);
css.freq_params.channel = hostapd_hw_get_channel(hapd, css.freq_params.freq);
if (!css.freq_params.channel)
return UBUS_STATUS_NOT_SUPPORTED;
switch (css.freq_params.bandwidth) {
case 160:
chwidth = CHANWIDTH_160MHZ;
break;
case 80:
chwidth = css.freq_params.center_freq2 ? CHANWIDTH_80P80MHZ : CHANWIDTH_80MHZ;
break;
default:
chwidth = CHANWIDTH_USE_HT;
break;
}
hostapd_set_freq_params(&css.freq_params, iconf->hw_mode,
css.freq_params.freq,
css.freq_params.channel, iconf->enable_edmg,
iconf->edmg_channel,
css.freq_params.ht_enabled,
css.freq_params.vht_enabled,
css.freq_params.he_enabled,
css.freq_params.sec_channel_offset,
chwidth, seg0, seg1,
iconf->vht_capab,
mode ? &mode->he_capab[IEEE80211_MODE_AP] :
NULL);
for (i = 0; i < hapd->iface->num_bss; i++) {
struct hostapd_data *bss = hapd->iface->bss[i];

89
patches/wifi/0008-hostapd-automatically-calculate-channel-center-freq-.patch Normal file
View File

@@ -0,0 +1,89 @@
From ec58340d35489da5851ccd75e921ecd700ace471 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Mon, 7 Feb 2022 13:11:01 +0100
Subject: [PATCH] hostapd: automatically calculate channel center freq on
chan_switch
Simplifies switching to different channels when on >= VHT80
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
.../services/hostapd/src/src/ap/ubus.c | 34 +++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/package/network/services/hostapd/src/src/ap/ubus.c b/package/network/services/hostapd/src/src/ap/ubus.c
index bcb80f4a33..5c9e966f70 100644
--- a/package/network/services/hostapd/src/src/ap/ubus.c
+++ b/package/network/services/hostapd/src/src/ap/ubus.c
@@ -11,6 +11,7 @@
#include "utils/eloop.h"
#include "utils/wpabuf.h"
#include "common/ieee802_11_defs.h"
+#include "common/hw_features_common.h"
#include "hostapd.h"
#include "neighbor_db.h"
#include "wps_hostapd.h"
@@ -22,6 +23,7 @@
#include "wnm_ap.h"
#include "taxonomy.h"
#include "airtime_policy.h"
+#include "hw_features.h"
static struct ubus_context *ctx;
static struct blob_buf b;
@@ -794,6 +796,7 @@ hostapd_switch_chan(struct ubus_context *ctx, struct ubus_object *obj,
struct hostapd_data *hapd = get_hapd_from_object(obj);
struct hostapd_config *iconf = hapd->iface->conf;
struct hostapd_freq_params *freq_params;
+ struct hostapd_hw_modes *mode = hapd->iface->current_mode;
struct csa_settings css = {
.freq_params = {
.ht_enabled = iconf->ieee80211n,
@@ -802,6 +805,8 @@ hostapd_switch_chan(struct ubus_context *ctx, struct ubus_object *obj,
.sec_channel_offset = iconf->secondary_channel,
}
};
+ u8 chwidth = hostapd_get_oper_chwidth(iconf);
+ u8 seg0 = 0, seg1 = 0;
int ret = UBUS_STATUS_OK;
int i;
@@ -843,6 +848,35 @@ hostapd_switch_chan(struct ubus_context *ctx, struct ubus_object *obj,
SET_CSA_SETTING(CSA_HE, freq_params.he_enabled, bool);
SET_CSA_SETTING(CSA_BLOCK_TX, block_tx, bool);
+ css.freq_params.channel = hostapd_hw_get_channel(hapd, css.freq_params.freq);
+ if (!css.freq_params.channel)
+ return UBUS_STATUS_NOT_SUPPORTED;
+
+ switch (css.freq_params.bandwidth) {
+ case 160:
+ chwidth = CHANWIDTH_160MHZ;
+ break;
+ case 80:
+ chwidth = css.freq_params.center_freq2 ? CHANWIDTH_80P80MHZ : CHANWIDTH_80MHZ;
+ break;
+ default:
+ chwidth = CHANWIDTH_USE_HT;
+ break;
+ }
+
+ hostapd_set_freq_params(&css.freq_params, iconf->hw_mode,
+ css.freq_params.freq,
+ css.freq_params.channel, iconf->enable_edmg,
+ iconf->edmg_channel,
+ css.freq_params.ht_enabled,
+ css.freq_params.vht_enabled,
+ css.freq_params.he_enabled,
+ css.freq_params.sec_channel_offset,
+ chwidth, seg0, seg1,
+ iconf->vht_capab,
+ mode ? &mode->he_capab[IEEE80211_MODE_AP] :
+ NULL);
+
for (i = 0; i < hapd->iface->num_bss; i++) {
struct hostapd_data *bss = hapd->iface->bss[i];
--
2.25.1