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Add disable_scan_offload parameter to disable automatic scan offloading

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This new configuration parameter can be used to disable automatic
offloading of scan requests to the driver which was previously used
by default if the driver supported sched_scan.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2012-04-17 16:30:15 +03:00 committed by Jouni Malinen
parent 5b9cecafaf
commit 54ddd74369
4 changed files with 14 additions and 1 deletions
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1
wpa_supplicant/config.c
View file

@ -2822,6 +2822,7 @@ static const struct global_parse_data global_fields[] = {
#endif /* CONFIG_CTRL_IFACE */
{ INT_RANGE(eapol_version, 1, 2), 0 },
{ INT(ap_scan), 0 },
{ INT(disable_scan_offload), 0 },
{ INT(fast_reauth), 0 },
{ STR(opensc_engine_path), 0 },
{ STR(pkcs11_engine_path), 0 },

9
wpa_supplicant/config.h
View file

@ -243,6 +243,15 @@ struct wpa_config {
*/
int ap_scan;
/**
* disable_scan_offload - Disable automatic offloading of scan requests
*
* By default, %wpa_supplicant tries to offload scanning if the driver
* indicates support for this (sched_scan). This configuration
* parameter can be used to disable this offloading mechanism.
*/
int disable_scan_offload;
/**
* ctrl_interface - Parameters for the control interface
*

3
wpa_supplicant/config_file.c
View file

@ -710,6 +710,9 @@ static void wpa_config_write_global(FILE *f, struct wpa_config *config)
fprintf(f, "eapol_version=%d\n", config->eapol_version);
if (config->ap_scan != DEFAULT_AP_SCAN)
fprintf(f, "ap_scan=%d\n", config->ap_scan);
if (config->disable_scan_offload)
fprintf(f, "disable_scan_offload=%d\n",
config->disable_scan_offload);
if (config->fast_reauth != DEFAULT_FAST_REAUTH)
fprintf(f, "fast_reauth=%d\n", config->fast_reauth);
if (config->opensc_engine_path)

2
wpa_supplicant/scan.c
View file

@ -755,7 +755,7 @@ int wpa_supplicant_req_sched_scan(struct wpa_supplicant *wpa_s)
max_sched_scan_ssids = WPAS_MAX_SCAN_SSIDS;
else
max_sched_scan_ssids = wpa_s->max_sched_scan_ssids;
if (max_sched_scan_ssids < 1)
if (max_sched_scan_ssids < 1 || wpa_s->conf->disable_scan_offload)
return -1;
if (wpa_s->sched_scanning) {