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wpa_supplicant: Use WPA3 flag to reduce code size

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Flag ESP32_WIFI_ENABLE_WPA3_SAE from Menuconfig is used to
control the stack size required by WPA3. Use the same flag
to compile out the WPA3 code and control the code size.
With this flag disabled code footprint reduces by about 7.7kB
in libwpa_supplicant.a
Update WiFi libs with added checks to cleanly handle disabling
of WPA3 callbacks.
This commit is contained in:
zhangyanjiao 2020-11-20 21:48:54 +08:00
parent 0bd758c0b1
commit 3acd9861bf
5 changed files with 17 additions and 6 deletions
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5
components/wpa_supplicant/CMakeLists.txt
View File

@ -129,9 +129,12 @@ target_compile_definitions(${COMPONENT_LIB} PRIVATE
ESP32_WORKAROUND
CONFIG_ECC
CONFIG_IEEE80211W
CONFIG_WPA3_SAE
CONFIG_SHA256
CONFIG_DPP
)
if(CONFIG_ESP32_WIFI_ENABLE_WPA3_SAE)
target_compile_definitions(${COMPONENT_LIB} PRIVATE CONFIG_WPA3_SAE)
endif()
set_property(TARGET ${COMPONENT_LIB} APPEND PROPERTY LINK_INTERFACE_MULTIPLICITY 3)

6
components/wpa_supplicant/component.mk
View File

@ -26,4 +26,8 @@ else
COMPONENT_OBJEXCLUDE := src/crypto/tls_mbedtls.o
endif
CFLAGS += -DCONFIG_DPP -DCONFIG_WPA3_SAE -DCONFIG_IEEE80211W -DESP_SUPPLICANT -DIEEE8021X_EAPOL -DEAP_PEER_METHOD -DEAP_TLS -DEAP_TTLS -DEAP_PEAP -DEAP_MSCHAPv2 -DUSE_WPA2_TASK -DCONFIG_WPS2 -DCONFIG_WPS_PIN -DUSE_WPS_TASK -DESPRESSIF_USE -DESP32_WORKAROUND -DCONFIG_ECC -D__ets__ -Wno-strict-aliasing
CFLAGS += -DCONFIG_DPP -DCONFIG_IEEE80211W -DESP_SUPPLICANT -DIEEE8021X_EAPOL -DEAP_PEER_METHOD -DEAP_TLS -DEAP_TTLS -DEAP_PEAP -DEAP_MSCHAPv2 -DUSE_WPA2_TASK -DCONFIG_WPS2 -DCONFIG_WPS_PIN -DUSE_WPS_TASK -DESPRESSIF_USE -DESP32_WORKAROUND -DCONFIG_ECC -D__ets__ -Wno-strict-aliasing
ifdef CONFIG_ESP32_WIFI_ENABLE_WPA3_SAE
CFLAGS += -DCONFIG_WPA3_SAE
endif

6
components/wpa_supplicant/src/common/wpa_common.c
View File

@ -58,11 +58,11 @@ static int rsn_key_mgmt_to_bitfield(const u8 *s)
if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_FT_PSK)
return WPA_KEY_MGMT_FT_PSK;
#endif /* CONFIG_IEEE80211R */
#ifdef CONFIG_IEEE80211W
#ifdef CONFIG_WPA3_SAE
if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_SAE)
return WPA_KEY_MGMT_SAE;
#endif /* CONFIG_WPA3_SAE */
#ifdef CONFIG_IEEE80211W
if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_802_1X_SHA256)
return WPA_KEY_MGMT_IEEE8021X_SHA256;
if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_PSK_SHA256)
@ -396,10 +396,10 @@ int wpa_eapol_key_mic(const u8 *key, int ver, const u8 *buf, size_t len,
#ifdef CONFIG_IEEE80211W
#ifdef CONFIG_WPA3_SAE
case WPA_KEY_INFO_TYPE_AKM_DEFINED:
#endif
#endif /* CONFIG_WPA3_SAE */
case WPA_KEY_INFO_TYPE_AES_128_CMAC:
return omac1_aes_128(key, buf, len, mic);
#endif
#endif /* CONFIG_IEEE80211W */
default:
return -1;
}

4
components/wpa_supplicant/src/esp_supplicant/esp_wpa3_i.h
View File

@ -31,5 +31,9 @@ static inline void esp_wifi_register_wpa3_cb(struct wpa_funcs *wpa_cb)
wpa_cb->wpa3_parse_sae_msg = NULL;
}
static inline void esp_wpa3_free_sae_data(void)
{
}
#endif /* CONFIG_WPA3_SAE */
#endif /* ESP_WPA3_H */

2
components/wpa_supplicant/src/rsn_supp/wpa_ie.c
View File

@ -203,11 +203,11 @@ static int wpa_gen_wpa_ie_rsn(u8 *rsn_ie, size_t rsn_ie_len,
RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_802_1X_SHA256);
} else if (key_mgmt == WPA_KEY_MGMT_PSK_SHA256) {
RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_PSK_SHA256);
#endif /* CONFIG_IEEE80211W */
#ifdef CONFIG_WPA3_SAE
} else if (key_mgmt == WPA_KEY_MGMT_SAE) {
RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_SAE);
#endif /* CONFIG_WPA3_SAE */
#endif /* CONFIG_IEEE80211W */
} else {
wpa_printf(MSG_DEBUG, "Invalid key management type (%d).",
key_mgmt);