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Add a test framework for various wpa_supplicant failure cases

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For CONFIG_TESTING_OPTIONS=y builds, add a new test parameter than can
be used to trigger various error cases within wpa_supplicant operations
to make it easier to test error path processing. "SET test_failure
<val>" is used to set which operation fails. For now, 0 = no failures
and 1 = scan trigger fails with EBUSY. More operations can be added in
the future to extend coverage.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2015-01-19 19:34:00 +02:00 committed by Jouni Malinen
parent e60be3b3d4
commit 911942ee64
3 changed files with 13 additions and 0 deletions
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3
wpa_supplicant/ctrl_iface.c
View file

@ -437,6 +437,8 @@ static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
#endif /* CONFIG_AP */ #endif /* CONFIG_AP */
} else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) { } else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
wpa_s->extra_roc_dur = atoi(value); wpa_s->extra_roc_dur = atoi(value);
} else if (os_strcasecmp(cmd, "test_failure") == 0) {
wpa_s->test_failure = atoi(value);
#endif /* CONFIG_TESTING_OPTIONS */ #endif /* CONFIG_TESTING_OPTIONS */
#ifndef CONFIG_NO_CONFIG_BLOBS #ifndef CONFIG_NO_CONFIG_BLOBS
} else if (os_strcmp(cmd, "blob") == 0) { } else if (os_strcmp(cmd, "blob") == 0) {
@ -6195,6 +6197,7 @@ static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
wpa_s->ext_eapol_frame_io = 0; wpa_s->ext_eapol_frame_io = 0;
#ifdef CONFIG_TESTING_OPTIONS #ifdef CONFIG_TESTING_OPTIONS
wpa_s->extra_roc_dur = 0; wpa_s->extra_roc_dur = 0;
wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
#endif /* CONFIG_TESTING_OPTIONS */ #endif /* CONFIG_TESTING_OPTIONS */
wpa_s->disconnected = 0; wpa_s->disconnected = 0;

4
wpa_supplicant/driver_i.h
View file

@ -90,6 +90,10 @@ static inline int wpa_drv_leave_mesh(struct wpa_supplicant *wpa_s)
static inline int wpa_drv_scan(struct wpa_supplicant *wpa_s, static inline int wpa_drv_scan(struct wpa_supplicant *wpa_s,
struct wpa_driver_scan_params *params) struct wpa_driver_scan_params *params)
{ {
#ifdef CONFIG_TESTING_OPTIONS
if (wpa_s->test_failure == WPAS_TEST_FAILURE_SCAN_TRIGGER)
return -EBUSY;
#endif /* CONFIG_TESTING_OPTIONS */
if (wpa_s->driver->scan2) if (wpa_s->driver->scan2)
return wpa_s->driver->scan2(wpa_s->drv_priv, params); return wpa_s->driver->scan2(wpa_s->drv_priv, params);
return -1; return -1;

6
wpa_supplicant/wpa_supplicant_i.h
View file

@ -403,6 +403,11 @@ struct rrm_data {
u8 next_neighbor_rep_token; u8 next_neighbor_rep_token;
}; };
enum wpa_supplicant_test_failure {
WPAS_TEST_FAILURE_NONE,
WPAS_TEST_FAILURE_SCAN_TRIGGER,
};
/** /**
* struct wpa_supplicant - Internal data for wpa_supplicant interface * struct wpa_supplicant - Internal data for wpa_supplicant interface
* *
@ -940,6 +945,7 @@ struct wpa_supplicant {
#ifdef CONFIG_TESTING_OPTIONS #ifdef CONFIG_TESTING_OPTIONS
struct l2_packet_data *l2_test; struct l2_packet_data *l2_test;
unsigned int extra_roc_dur; unsigned int extra_roc_dur;
enum wpa_supplicant_test_failure test_failure;
#endif /* CONFIG_TESTING_OPTIONS */ #endif /* CONFIG_TESTING_OPTIONS */
struct wmm_ac_assoc_data *wmm_ac_assoc_info; struct wmm_ac_assoc_data *wmm_ac_assoc_info;