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hostapd: add "force" parameter for channel switch

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This will restart the interface in case the CSA fails and can be used to
force the device on a DFS channel (including full CAC)

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2021-07-15 10:45:26 +02:00
parent 99a22d48f2
commit 9ec5f5f230
1 changed files with 21 additions and 1 deletions
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22
package/network/services/hostapd/src/src/ap/ubus.c
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@ -744,6 +744,7 @@ enum {
CSA_VHT,
CSA_HE,
CSA_BLOCK_TX,
CSA_FORCE,
__CSA_MAX
};
@ -758,8 +759,18 @@ static const struct blobmsg_policy csa_policy[__CSA_MAX] = {
[CSA_VHT] = { "vht", BLOBMSG_TYPE_BOOL },
[CSA_HE] = { "he", BLOBMSG_TYPE_BOOL },
[CSA_BLOCK_TX] = { "block_tx", BLOBMSG_TYPE_BOOL },
[CSA_FORCE] = { "force", BLOBMSG_TYPE_BOOL },
};
static void switch_chan_fallback_cb(void *eloop_data, void *user_ctx)
{
struct hostapd_iface *iface = eloop_data;
struct hostapd_freq_params *freq_params = user_ctx;
hostapd_switch_channel_fallback(iface, freq_params);
}
#ifdef NEED_AP_MLME
static int
hostapd_switch_chan(struct ubus_context *ctx, struct ubus_object *obj,
@ -769,6 +780,7 @@ hostapd_switch_chan(struct ubus_context *ctx, struct ubus_object *obj,
struct blob_attr *tb[__CSA_MAX];
struct hostapd_data *hapd = get_hapd_from_object(obj);
struct hostapd_config *iconf = hapd->iface->conf;
struct hostapd_freq_params *freq_params;
struct csa_settings css = {
.freq_params = {
.ht_enabled = iconf->ieee80211n,
@ -825,7 +837,15 @@ hostapd_switch_chan(struct ubus_context *ctx, struct ubus_object *obj,
ret = UBUS_STATUS_NOT_SUPPORTED;
}
return ret;
if (!ret || !tb[CSA_FORCE] || !blobmsg_get_bool(tb[CSA_FORCE]))
return ret;
freq_params = malloc(sizeof(*freq_params));
memcpy(freq_params, &css.freq_params, sizeof(*freq_params));
eloop_register_timeout(0, 1, switch_chan_fallback_cb,
hapd->iface, freq_params);
return 0;
#undef SET_CSA_SETTING
}
#endif