[RFC 1/2] hostap: make hostapd_set_freq_params() common
Janusz Dziedzic
janusz.dziedzic
Mon Jan 19 09:15:20 PST 2015
Now can be used from wpa_supplicant also.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic at tieto.com>
---
src/ap/ap_drv_ops.c | 87 +----------------------------------------
src/ap/ap_drv_ops.h | 6 ---
src/ap/beacon.c | 1 +
src/ap/dfs.c | 1 +
src/common/hw_features_common.c | 82 ++++++++++++++++++++++++++++++++++++++
src/common/hw_features_common.h | 6 +++
6 files changed, 91 insertions(+), 92 deletions(-)
diff --git a/src/ap/ap_drv_ops.c b/src/ap/ap_drv_ops.c
index 8514cbe..e16306c 100644
--- a/src/ap/ap_drv_ops.c
+++ b/src/ap/ap_drv_ops.c
@@ -10,6 +10,7 @@
#include "utils/common.h"
#include "common/ieee802_11_defs.h"
+#include "common/hw_features_common.h"
#include "wps/wps.h"
#include "p2p/p2p.h"
#include "hostapd.h"
@@ -477,92 +478,6 @@ int hostapd_flush(struct hostapd_data *hapd)
}
-int hostapd_set_freq_params(struct hostapd_freq_params *data,
- enum hostapd_hw_mode mode,
- int freq, int channel, int ht_enabled,
- int vht_enabled, int sec_channel_offset,
- int vht_oper_chwidth, int center_segment0,
- int center_segment1, u32 vht_caps)
-{
- int tmp;
-
- os_memset(data, 0, sizeof(*data));
- data->mode = mode;
- data->freq = freq;
- data->channel = channel;
- data->ht_enabled = ht_enabled;
- data->vht_enabled = vht_enabled;
- data->sec_channel_offset = sec_channel_offset;
- data->center_freq1 = freq + sec_channel_offset * 10;
- data->center_freq2 = 0;
- data->bandwidth = sec_channel_offset ? 40 : 20;
-
- /*
- * This validation code is probably misplaced, maybe it should be
- * in src/ap/hw_features.c and check the hardware support as well.
- */
- if (data->vht_enabled) switch (vht_oper_chwidth) {
- case VHT_CHANWIDTH_USE_HT:
- if (center_segment1)
- return -1;
- if (center_segment0 != 0 &&
- 5000 + center_segment0 * 5 != data->center_freq1 &&
- 2407 + center_segment0 * 5 != data->center_freq1)
- return -1;
- break;
- case VHT_CHANWIDTH_80P80MHZ:
- if (!(vht_caps & VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)) {
- wpa_printf(MSG_ERROR,
- "80+80 channel width is not supported!");
- return -1;
- }
- if (center_segment1 == center_segment0 + 4 ||
- center_segment1 == center_segment0 - 4)
- return -1;
- data->center_freq2 = 5000 + center_segment1 * 5;
- /* fall through */
- case VHT_CHANWIDTH_80MHZ:
- data->bandwidth = 80;
- if (vht_oper_chwidth == 1 && center_segment1)
- return -1;
- if (vht_oper_chwidth == 3 && !center_segment1)
- return -1;
- if (!sec_channel_offset)
- return -1;
- /* primary 40 part must match the HT configuration */
- tmp = (30 + freq - 5000 - center_segment0 * 5)/20;
- tmp /= 2;
- if (data->center_freq1 != 5000 +
- center_segment0 * 5 - 20 + 40 * tmp)
- return -1;
- data->center_freq1 = 5000 + center_segment0 * 5;
- break;
- case VHT_CHANWIDTH_160MHZ:
- data->bandwidth = 160;
- if (!(vht_caps & (VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
- VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ))) {
- wpa_printf(MSG_ERROR,
- "160MHZ channel width is not supported!");
- return -1;
- }
- if (center_segment1)
- return -1;
- if (!sec_channel_offset)
- return -1;
- /* primary 40 part must match the HT configuration */
- tmp = (70 + freq - 5000 - center_segment0 * 5)/20;
- tmp /= 2;
- if (data->center_freq1 != 5000 +
- center_segment0 * 5 - 60 + 40 * tmp)
- return -1;
- data->center_freq1 = 5000 + center_segment0 * 5;
- break;
- }
-
- return 0;
-}
-
-
int hostapd_set_freq(struct hostapd_data *hapd, enum hostapd_hw_mode mode,
int freq, int channel, int ht_enabled, int vht_enabled,
int sec_channel_offset, int vht_oper_chwidth,
diff --git a/src/ap/ap_drv_ops.h b/src/ap/ap_drv_ops.h
index c133be7..557024c 100644
--- a/src/ap/ap_drv_ops.h
+++ b/src/ap/ap_drv_ops.h
@@ -107,12 +107,6 @@ int hostapd_start_dfs_cac(struct hostapd_iface *iface,
int channel, int ht_enabled, int vht_enabled,
int sec_channel_offset, int vht_oper_chwidth,
int center_segment0, int center_segment1);
-int hostapd_set_freq_params(struct hostapd_freq_params *data,
- enum hostapd_hw_mode mode,
- int freq, int channel, int ht_enabled,
- int vht_enabled, int sec_channel_offset,
- int vht_oper_chwidth, int center_segment0,
- int center_segment1, u32 vht_caps);
int hostapd_drv_do_acs(struct hostapd_data *hapd);
diff --git a/src/ap/beacon.c b/src/ap/beacon.c
index b0a74e0..e6eaabe 100644
--- a/src/ap/beacon.c
+++ b/src/ap/beacon.c
@@ -15,6 +15,7 @@
#include "utils/common.h"
#include "common/ieee802_11_defs.h"
#include "common/ieee802_11_common.h"
+#include "common/hw_features_common.h"
#include "wps/wps_defs.h"
#include "p2p/p2p.h"
#include "hostapd.h"
diff --git a/src/ap/dfs.c b/src/ap/dfs.c
index 0db5ef6..fc8d7ad 100644
--- a/src/ap/dfs.c
+++ b/src/ap/dfs.c
@@ -11,6 +11,7 @@
#include "utils/common.h"
#include "common/ieee802_11_defs.h"
+#include "common/hw_features_common.h"
#include "common/wpa_ctrl.h"
#include "hostapd.h"
#include "ap_drv_ops.h"
diff --git a/src/common/hw_features_common.c b/src/common/hw_features_common.c
index 942380b..5cc8c82 100644
--- a/src/common/hw_features_common.c
+++ b/src/common/hw_features_common.c
@@ -354,3 +354,85 @@ int check_40mhz_2g4(struct hostapd_hw_modes *mode,
return 1;
}
+
+
+int hostapd_set_freq_params(struct hostapd_freq_params *data,
+ enum hostapd_hw_mode mode,
+ int freq, int channel, int ht_enabled,
+ int vht_enabled, int sec_channel_offset,
+ int vht_oper_chwidth, int center_segment0,
+ int center_segment1, u32 vht_caps)
+{
+ int tmp;
+
+ os_memset(data, 0, sizeof(*data));
+ data->mode = mode;
+ data->freq = freq;
+ data->channel = channel;
+ data->ht_enabled = ht_enabled;
+ data->vht_enabled = vht_enabled;
+ data->sec_channel_offset = sec_channel_offset;
+ data->center_freq1 = freq + sec_channel_offset * 10;
+ data->center_freq2 = 0;
+ data->bandwidth = sec_channel_offset ? 40 : 20;
+
+ if (data->vht_enabled) switch (vht_oper_chwidth) {
+ case VHT_CHANWIDTH_USE_HT:
+ if (center_segment1)
+ return -1;
+ if (center_segment0 != 0 &&
+ 5000 + center_segment0 * 5 != data->center_freq1 &&
+ 2407 + center_segment0 * 5 != data->center_freq1)
+ return -1;
+ break;
+ case VHT_CHANWIDTH_80P80MHZ:
+ if (!(vht_caps & VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)) {
+ wpa_printf(MSG_ERROR,
+ "80+80 channel width is not supported!");
+ return -1;
+ }
+ if (center_segment1 == center_segment0 + 4 ||
+ center_segment1 == center_segment0 - 4)
+ return -1;
+ data->center_freq2 = 5000 + center_segment1 * 5;
+ /* fall through */
+ case VHT_CHANWIDTH_80MHZ:
+ data->bandwidth = 80;
+ if (vht_oper_chwidth == 1 && center_segment1)
+ return -1;
+ if (vht_oper_chwidth == 3 && !center_segment1)
+ return -1;
+ if (!sec_channel_offset)
+ return -1;
+ /* primary 40 part must match the HT configuration */
+ tmp = (30 + freq - 5000 - center_segment0 * 5)/20;
+ tmp /= 2;
+ if (data->center_freq1 != 5000 +
+ center_segment0 * 5 - 20 + 40 * tmp)
+ return -1;
+ data->center_freq1 = 5000 + center_segment0 * 5;
+ break;
+ case VHT_CHANWIDTH_160MHZ:
+ data->bandwidth = 160;
+ if (!(vht_caps & (VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
+ VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ))) {
+ wpa_printf(MSG_ERROR,
+ "160MHZ channel width is not supported!");
+ return -1;
+ }
+ if (center_segment1)
+ return -1;
+ if (!sec_channel_offset)
+ return -1;
+ /* primary 40 part must match the HT configuration */
+ tmp = (70 + freq - 5000 - center_segment0 * 5)/20;
+ tmp /= 2;
+ if (data->center_freq1 != 5000 +
+ center_segment0 * 5 - 60 + 40 * tmp)
+ return -1;
+ data->center_freq1 = 5000 + center_segment0 * 5;
+ break;
+ }
+
+ return 0;
+}
diff --git a/src/common/hw_features_common.h b/src/common/hw_features_common.h
index 046fccd..7f43d00 100644
--- a/src/common/hw_features_common.h
+++ b/src/common/hw_features_common.h
@@ -30,5 +30,11 @@ int check_20mhz_bss(struct wpa_scan_res *bss, int pri_freq, int start, int end);
int check_40mhz_2g4(struct hostapd_hw_modes *mode,
struct wpa_scan_results *scan_res, int pri_chan,
int sec_chan);
+int hostapd_set_freq_params(struct hostapd_freq_params *data,
+ enum hostapd_hw_mode mode,
+ int freq, int channel, int ht_enabled,
+ int vht_enabled, int sec_channel_offset,
+ int vht_oper_chwidth, int center_segment0,
+ int center_segment1, u32 vht_caps);
#endif /* HW_FEATURES_COMMON_H */
--
1.9.1
More information about the Hostap
mailing list