Make hostapd_set_freq_params() common
Now this function can also be used from wpa_supplicant. Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
This commit is contained in:
Janusz Dziedzic
Jouni Malinen
parent
98479dc95e
commit
ada157f3b0
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@ -10,6 +10,7 @@
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#include "utils/common.h"
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#include "common/ieee802_11_defs.h"
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#include "common/hw_features_common.h"
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#include "wps/wps.h"
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#include "p2p/p2p.h"
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#include "hostapd.h"
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@ -477,92 +478,6 @@ int hostapd_flush(struct hostapd_data *hapd)
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}
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int hostapd_set_freq_params(struct hostapd_freq_params *data,
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enum hostapd_hw_mode mode,
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int freq, int channel, int ht_enabled,
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int vht_enabled, int sec_channel_offset,
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int vht_oper_chwidth, int center_segment0,
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int center_segment1, u32 vht_caps)
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{
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int tmp;
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os_memset(data, 0, sizeof(*data));
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data->mode = mode;
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data->freq = freq;
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data->channel = channel;
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data->ht_enabled = ht_enabled;
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data->vht_enabled = vht_enabled;
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data->sec_channel_offset = sec_channel_offset;
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data->center_freq1 = freq + sec_channel_offset * 10;
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data->center_freq2 = 0;
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data->bandwidth = sec_channel_offset ? 40 : 20;
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/*
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* This validation code is probably misplaced, maybe it should be
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* in src/ap/hw_features.c and check the hardware support as well.
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*/
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if (data->vht_enabled) switch (vht_oper_chwidth) {
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case VHT_CHANWIDTH_USE_HT:
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if (center_segment1)
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return -1;
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if (center_segment0 != 0 &&
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5000 + center_segment0 * 5 != data->center_freq1 &&
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2407 + center_segment0 * 5 != data->center_freq1)
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return -1;
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break;
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case VHT_CHANWIDTH_80P80MHZ:
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if (!(vht_caps & VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)) {
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wpa_printf(MSG_ERROR,
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"80+80 channel width is not supported!");
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return -1;
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}
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if (center_segment1 == center_segment0 + 4 ||
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center_segment1 == center_segment0 - 4)
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return -1;
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data->center_freq2 = 5000 + center_segment1 * 5;
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/* fall through */
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case VHT_CHANWIDTH_80MHZ:
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data->bandwidth = 80;
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if (vht_oper_chwidth == 1 && center_segment1)
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return -1;
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if (vht_oper_chwidth == 3 && !center_segment1)
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return -1;
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if (!sec_channel_offset)
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return -1;
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/* primary 40 part must match the HT configuration */
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tmp = (30 + freq - 5000 - center_segment0 * 5)/20;
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tmp /= 2;
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if (data->center_freq1 != 5000 +
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center_segment0 * 5 - 20 + 40 * tmp)
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return -1;
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data->center_freq1 = 5000 + center_segment0 * 5;
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break;
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case VHT_CHANWIDTH_160MHZ:
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data->bandwidth = 160;
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if (!(vht_caps & (VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
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VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ))) {
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wpa_printf(MSG_ERROR,
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"160MHZ channel width is not supported!");
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return -1;
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}
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if (center_segment1)
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return -1;
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if (!sec_channel_offset)
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return -1;
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/* primary 40 part must match the HT configuration */
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tmp = (70 + freq - 5000 - center_segment0 * 5)/20;
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tmp /= 2;
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if (data->center_freq1 != 5000 +
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center_segment0 * 5 - 60 + 40 * tmp)
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return -1;
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data->center_freq1 = 5000 + center_segment0 * 5;
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break;
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}
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return 0;
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}
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int hostapd_set_freq(struct hostapd_data *hapd, enum hostapd_hw_mode mode,
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int freq, int channel, int ht_enabled, int vht_enabled,
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int sec_channel_offset, int vht_oper_chwidth,
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@ -107,12 +107,6 @@ int hostapd_start_dfs_cac(struct hostapd_iface *iface,
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int channel, int ht_enabled, int vht_enabled,
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int sec_channel_offset, int vht_oper_chwidth,
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int center_segment0, int center_segment1);
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int hostapd_set_freq_params(struct hostapd_freq_params *data,
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enum hostapd_hw_mode mode,
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int freq, int channel, int ht_enabled,
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int vht_enabled, int sec_channel_offset,
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int vht_oper_chwidth, int center_segment0,
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int center_segment1, u32 vht_caps);
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int hostapd_drv_do_acs(struct hostapd_data *hapd);
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@ -15,6 +15,7 @@
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#include "utils/common.h"
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#include "common/ieee802_11_defs.h"
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#include "common/ieee802_11_common.h"
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#include "common/hw_features_common.h"
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#include "wps/wps_defs.h"
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#include "p2p/p2p.h"
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#include "hostapd.h"
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@ -11,6 +11,7 @@
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#include "utils/common.h"
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#include "common/ieee802_11_defs.h"
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#include "common/hw_features_common.h"
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#include "common/wpa_ctrl.h"
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#include "hostapd.h"
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#include "ap_drv_ops.h"
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@ -354,3 +354,85 @@ int check_40mhz_2g4(struct hostapd_hw_modes *mode,
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return 1;
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}
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int hostapd_set_freq_params(struct hostapd_freq_params *data,
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enum hostapd_hw_mode mode,
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int freq, int channel, int ht_enabled,
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int vht_enabled, int sec_channel_offset,
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int vht_oper_chwidth, int center_segment0,
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int center_segment1, u32 vht_caps)
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{
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int tmp;
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os_memset(data, 0, sizeof(*data));
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data->mode = mode;
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data->freq = freq;
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data->channel = channel;
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data->ht_enabled = ht_enabled;
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data->vht_enabled = vht_enabled;
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data->sec_channel_offset = sec_channel_offset;
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data->center_freq1 = freq + sec_channel_offset * 10;
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data->center_freq2 = 0;
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data->bandwidth = sec_channel_offset ? 40 : 20;
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if (data->vht_enabled) switch (vht_oper_chwidth) {
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case VHT_CHANWIDTH_USE_HT:
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if (center_segment1)
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return -1;
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if (center_segment0 != 0 &&
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5000 + center_segment0 * 5 != data->center_freq1 &&
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2407 + center_segment0 * 5 != data->center_freq1)
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return -1;
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break;
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case VHT_CHANWIDTH_80P80MHZ:
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if (!(vht_caps & VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)) {
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wpa_printf(MSG_ERROR,
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"80+80 channel width is not supported!");
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return -1;
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}
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if (center_segment1 == center_segment0 + 4 ||
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center_segment1 == center_segment0 - 4)
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return -1;
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data->center_freq2 = 5000 + center_segment1 * 5;
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/* fall through */
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case VHT_CHANWIDTH_80MHZ:
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data->bandwidth = 80;
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if (vht_oper_chwidth == 1 && center_segment1)
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return -1;
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if (vht_oper_chwidth == 3 && !center_segment1)
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return -1;
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if (!sec_channel_offset)
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return -1;
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/* primary 40 part must match the HT configuration */
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tmp = (30 + freq - 5000 - center_segment0 * 5) / 20;
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tmp /= 2;
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if (data->center_freq1 != 5000 +
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center_segment0 * 5 - 20 + 40 * tmp)
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return -1;
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data->center_freq1 = 5000 + center_segment0 * 5;
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break;
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case VHT_CHANWIDTH_160MHZ:
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data->bandwidth = 160;
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if (!(vht_caps & (VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
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VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ))) {
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wpa_printf(MSG_ERROR,
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"160MHZ channel width is not supported!");
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return -1;
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}
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if (center_segment1)
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return -1;
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if (!sec_channel_offset)
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return -1;
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/* primary 40 part must match the HT configuration */
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tmp = (70 + freq - 5000 - center_segment0 * 5) / 20;
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tmp /= 2;
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if (data->center_freq1 != 5000 +
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center_segment0 * 5 - 60 + 40 * tmp)
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return -1;
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data->center_freq1 = 5000 + center_segment0 * 5;
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break;
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}
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return 0;
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}
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@ -30,5 +30,11 @@ int check_20mhz_bss(struct wpa_scan_res *bss, int pri_freq, int start, int end);
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int check_40mhz_2g4(struct hostapd_hw_modes *mode,
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struct wpa_scan_results *scan_res, int pri_chan,
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int sec_chan);
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int hostapd_set_freq_params(struct hostapd_freq_params *data,
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enum hostapd_hw_mode mode,
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int freq, int channel, int ht_enabled,
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int vht_enabled, int sec_channel_offset,
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int vht_oper_chwidth, int center_segment0,
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int center_segment1, u32 vht_caps);
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#endif /* HW_FEATURES_COMMON_H */
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