nl80211: Fetch information on supported AKMs from the driver
The driver can advertise supported AKMs per wiphy and/or per interface. Populate per interface supported AKMs based on the driver advertisement in the following order of preference: 1. AKM suites advertised by NL80211_ATTR_IFTYPE_AKM_SUITES 2. AKM suites advertised by NL80211_ATTR_AKM_SUITES If neither of these is available: 3. AKMs support is assumed as per legacy behavior. In addition, extend other driver interface wrappers to set the per-interface values based on the global capability indication. Signed-off-by: Veerendranath Jakkam <vjakkam@codeaurora.org>
This commit is contained in:
parent
6fffb320fc
commit
b67bedf2e3
7 changed files with 311 additions and 79 deletions
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@ -1658,6 +1658,73 @@ struct wpa_driver_set_key_params {
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enum key_flag key_flag;
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};
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enum wpa_driver_if_type {
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/**
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* WPA_IF_STATION - Station mode interface
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*/
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WPA_IF_STATION,
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/**
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* WPA_IF_AP_VLAN - AP mode VLAN interface
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*
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* This interface shares its address and Beacon frame with the main
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* BSS.
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*/
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WPA_IF_AP_VLAN,
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/**
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* WPA_IF_AP_BSS - AP mode BSS interface
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*
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* This interface has its own address and Beacon frame.
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*/
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WPA_IF_AP_BSS,
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/**
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* WPA_IF_P2P_GO - P2P Group Owner
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*/
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WPA_IF_P2P_GO,
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/**
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* WPA_IF_P2P_CLIENT - P2P Client
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*/
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WPA_IF_P2P_CLIENT,
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/**
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* WPA_IF_P2P_GROUP - P2P Group interface (will become either
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* WPA_IF_P2P_GO or WPA_IF_P2P_CLIENT, but the role is not yet known)
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*/
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WPA_IF_P2P_GROUP,
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/**
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* WPA_IF_P2P_DEVICE - P2P Device interface is used to indentify the
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* abstracted P2P Device function in the driver
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*/
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WPA_IF_P2P_DEVICE,
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/*
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* WPA_IF_MESH - Mesh interface
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*/
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WPA_IF_MESH,
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/*
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* WPA_IF_TDLS - TDLS offchannel interface (used for pref freq only)
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*/
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WPA_IF_TDLS,
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/*
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* WPA_IF_IBSS - IBSS interface (used for pref freq only)
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*/
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WPA_IF_IBSS,
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/*
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* WPA_IF_NAN - NAN Device
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*/
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WPA_IF_NAN,
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/* keep last */
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WPA_IF_MAX
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};
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/**
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* struct wpa_driver_capa - Driver capability information
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*/
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@ -1681,6 +1748,7 @@ struct wpa_driver_capa {
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#define WPA_DRIVER_CAPA_KEY_MGMT_SAE 0x00010000
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/** Bitfield of supported key management suites */
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unsigned int key_mgmt;
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unsigned int key_mgmt_iftype[WPA_IF_MAX];
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#define WPA_DRIVER_CAPA_ENC_WEP40 0x00000001
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#define WPA_DRIVER_CAPA_ENC_WEP104 0x00000002
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@ -2045,65 +2113,6 @@ struct hostapd_acl_params {
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struct mac_address mac_acl[0];
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};
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enum wpa_driver_if_type {
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/**
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* WPA_IF_STATION - Station mode interface
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*/
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WPA_IF_STATION,
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/**
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* WPA_IF_AP_VLAN - AP mode VLAN interface
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*
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* This interface shares its address and Beacon frame with the main
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* BSS.
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*/
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WPA_IF_AP_VLAN,
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/**
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* WPA_IF_AP_BSS - AP mode BSS interface
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*
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* This interface has its own address and Beacon frame.
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*/
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WPA_IF_AP_BSS,
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/**
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* WPA_IF_P2P_GO - P2P Group Owner
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*/
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WPA_IF_P2P_GO,
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/**
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* WPA_IF_P2P_CLIENT - P2P Client
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*/
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WPA_IF_P2P_CLIENT,
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/**
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* WPA_IF_P2P_GROUP - P2P Group interface (will become either
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* WPA_IF_P2P_GO or WPA_IF_P2P_CLIENT, but the role is not yet known)
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*/
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WPA_IF_P2P_GROUP,
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/**
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* WPA_IF_P2P_DEVICE - P2P Device interface is used to indentify the
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* abstracted P2P Device function in the driver
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*/
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WPA_IF_P2P_DEVICE,
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/*
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* WPA_IF_MESH - Mesh interface
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*/
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WPA_IF_MESH,
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/*
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* WPA_IF_TDLS - TDLS offchannel interface (used for pref freq only)
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*/
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WPA_IF_TDLS,
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/*
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* WPA_IF_IBSS - IBSS interface (used for pref freq only)
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*/
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WPA_IF_IBSS,
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};
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struct wpa_init_params {
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void *global_priv;
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const u8 *bssid;
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@ -1451,6 +1451,7 @@ wpa_driver_bsd_init(void *ctx, const char *ifname, void *priv)
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#define GETPARAM(drv, param, v) \
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(((v) = get80211param(drv, param)) != -1)
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struct bsd_driver_data *drv;
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int i;
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drv = os_zalloc(sizeof(*drv));
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if (drv == NULL)
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@ -1486,6 +1487,10 @@ wpa_driver_bsd_init(void *ctx, const char *ifname, void *priv)
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if (wpa_driver_bsd_capa(drv))
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goto fail;
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/* Update per interface supported AKMs */
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for (i = 0; i < WPA_IF_MAX; i++)
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drv->capa.key_mgmt_iftype[i] = drv->capa.key_mgmt;
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/* Down interface during setup. */
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if (bsd_get_iface_flags(drv) < 0)
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goto fail;
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@ -2809,6 +2809,7 @@ static void * wpa_driver_ndis_init(void *ctx, const char *ifname)
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{
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struct wpa_driver_ndis_data *drv;
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u32 mode;
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int i;
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drv = os_zalloc(sizeof(*drv));
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if (drv == NULL)
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@ -2855,6 +2856,11 @@ static void * wpa_driver_ndis_init(void *ctx, const char *ifname)
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}
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wpa_driver_ndis_get_capability(drv);
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/* Update per interface supported AKMs */
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for (i = 0; i < WPA_IF_MAX; i++)
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drv->capa.key_mgmt_iftype[i] = drv->capa.key_mgmt;
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/* Make sure that the driver does not have any obsolete PMKID entries.
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*/
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wpa_driver_ndis_flush_pmkid(drv);
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@ -2328,10 +2328,19 @@ static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
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/* FT Action frames */
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if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
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ret = -1;
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else
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else if (!drv->has_driver_key_mgmt) {
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int i;
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/* Update supported AKMs only if the driver doesn't advertize
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* any AKM capabilities. */
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drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
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WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
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/* Update per interface supported AKMs */
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for (i = 0; i < WPA_IF_MAX; i++)
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drv->capa.key_mgmt_iftype[i] = drv->capa.key_mgmt;
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}
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/* WNM - BSS Transition Management Request */
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if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
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ret = -1;
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@ -5056,6 +5065,10 @@ const char * nl80211_iftype_str(enum nl80211_iftype mode)
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return "P2P_GO";
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case NL80211_IFTYPE_P2P_DEVICE:
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return "P2P_DEVICE";
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case NL80211_IFTYPE_OCB:
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return "OCB";
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case NL80211_IFTYPE_NAN:
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return "NAN";
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default:
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return "unknown";
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}
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@ -111,6 +111,7 @@ struct wpa_driver_nl80211_data {
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unsigned int num_iface_ext_capa;
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int has_capability;
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int has_driver_key_mgmt;
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int operstate;
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@ -79,6 +79,8 @@ struct wiphy_info_data {
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unsigned int mac_addr_rand_scan_supported:1;
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unsigned int mac_addr_rand_sched_scan_supported:1;
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unsigned int update_ft_ies_supported:1;
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unsigned int has_key_mgmt:1;
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unsigned int has_key_mgmt_iftype:1;
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};
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@ -252,6 +254,158 @@ static void wiphy_info_supp_cmds(struct wiphy_info_data *info,
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}
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static unsigned int get_akm_suites_info(struct nlattr *tb)
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{
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int i, num;
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unsigned int key_mgmt = 0;
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u32 *akms;
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if (!tb)
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return 0;
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num = nla_len(tb) / sizeof(u32);
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akms = nla_data(tb);
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for (i = 0; i < num; i++) {
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switch (akms[i]) {
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case RSN_AUTH_KEY_MGMT_UNSPEC_802_1X:
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key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA |
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WPA_DRIVER_CAPA_KEY_MGMT_WPA2;
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break;
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case RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X:
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key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
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WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
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break;
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case RSN_AUTH_KEY_MGMT_FT_802_1X:
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key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT;
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break;
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case RSN_AUTH_KEY_MGMT_FT_PSK:
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key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
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break;
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case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B:
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key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B;
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break;
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case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192:
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key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
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break;
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case RSN_AUTH_KEY_MGMT_OWE:
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key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_OWE;
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break;
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case RSN_AUTH_KEY_MGMT_DPP:
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key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_DPP;
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break;
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case RSN_AUTH_KEY_MGMT_FILS_SHA256:
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key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256;
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break;
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case RSN_AUTH_KEY_MGMT_FILS_SHA384:
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key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384;
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break;
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case RSN_AUTH_KEY_MGMT_FT_FILS_SHA256:
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key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256;
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break;
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case RSN_AUTH_KEY_MGMT_FT_FILS_SHA384:
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key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384;
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break;
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case RSN_AUTH_KEY_MGMT_SAE:
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key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SAE;
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break;
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}
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}
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return key_mgmt;
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}
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static void get_iface_akm_suites_info(struct wiphy_info_data *info,
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struct nlattr *nl_akms)
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{
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struct nlattr *tb[NL80211_IFTYPE_AKM_ATTR_MAX + 1];
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struct nlattr *nl_iftype;
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unsigned int key_mgmt;
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int i;
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if (!nl_akms)
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return;
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nla_parse(tb, NL80211_IFTYPE_AKM_ATTR_MAX,
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nla_data(nl_akms), nla_len(nl_akms), NULL);
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if (!tb[NL80211_IFTYPE_AKM_ATTR_IFTYPES] ||
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!tb[NL80211_IFTYPE_AKM_ATTR_SUITES])
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return;
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info->has_key_mgmt_iftype = 1;
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key_mgmt = get_akm_suites_info(tb[NL80211_IFTYPE_AKM_ATTR_SUITES]);
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nla_for_each_nested(nl_iftype, tb[NL80211_IFTYPE_AKM_ATTR_IFTYPES], i) {
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switch (nla_type(nl_iftype)) {
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case NL80211_IFTYPE_ADHOC:
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info->drv->capa.key_mgmt_iftype[WPA_IF_IBSS] = key_mgmt;
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break;
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case NL80211_IFTYPE_STATION:
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info->drv->capa.key_mgmt_iftype[WPA_IF_STATION] =
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key_mgmt;
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break;
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case NL80211_IFTYPE_AP:
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info->drv->capa.key_mgmt_iftype[WPA_IF_AP_BSS] =
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key_mgmt;
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break;
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case NL80211_IFTYPE_AP_VLAN:
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info->drv->capa.key_mgmt_iftype[WPA_IF_AP_VLAN] =
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key_mgmt;
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break;
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case NL80211_IFTYPE_MESH_POINT:
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info->drv->capa.key_mgmt_iftype[WPA_IF_MESH] = key_mgmt;
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break;
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case NL80211_IFTYPE_P2P_CLIENT:
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info->drv->capa.key_mgmt_iftype[WPA_IF_P2P_CLIENT] =
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key_mgmt;
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break;
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case NL80211_IFTYPE_P2P_GO:
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info->drv->capa.key_mgmt_iftype[WPA_IF_P2P_GO] =
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key_mgmt;
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break;
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case NL80211_IFTYPE_P2P_DEVICE:
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info->drv->capa.key_mgmt_iftype[WPA_IF_P2P_DEVICE] =
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key_mgmt;
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break;
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case NL80211_IFTYPE_NAN:
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info->drv->capa.key_mgmt_iftype[WPA_IF_NAN] = key_mgmt;
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break;
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}
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wpa_printf(MSG_DEBUG, "nl80211: %s supported key_mgmt 0x%x",
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nl80211_iftype_str(nla_type(nl_iftype)),
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key_mgmt);
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}
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}
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static void wiphy_info_iftype_akm_suites(struct wiphy_info_data *info,
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struct nlattr *tb)
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{
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struct nlattr *nl_if;
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int rem_if;
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if (!tb)
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return;
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nla_for_each_nested(nl_if, tb, rem_if)
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get_iface_akm_suites_info(info, nl_if);
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}
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static void wiphy_info_akm_suites(struct wiphy_info_data *info,
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struct nlattr *tb)
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{
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if (!tb)
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return;
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info->has_key_mgmt = 1;
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info->capa->key_mgmt = get_akm_suites_info(tb);
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wpa_printf(MSG_DEBUG, "nl80211: wiphy supported key_mgmt 0x%x",
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info->capa->key_mgmt);
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}
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static void wiphy_info_cipher_suites(struct wiphy_info_data *info,
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struct nlattr *tb)
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{
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@ -696,6 +850,8 @@ static int wiphy_info_handler(struct nl_msg *msg, void *arg)
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wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
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wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
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wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]);
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wiphy_info_akm_suites(info, tb[NL80211_ATTR_AKM_SUITES]);
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wiphy_info_iftype_akm_suites(info, tb[NL80211_ATTR_IFTYPE_AKM_SUITES]);
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if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
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wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
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@ -1098,6 +1254,8 @@ static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv)
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int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
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{
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struct wiphy_info_data info;
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int i;
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if (wpa_driver_nl80211_get_info(drv, &info))
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return -1;
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@ -1105,6 +1263,11 @@ int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
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return -1;
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drv->has_capability = 1;
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drv->has_driver_key_mgmt = info.has_key_mgmt | info.has_key_mgmt_iftype;
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/* Fallback to hardcoded defaults if the driver does nott advertize any
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* AKM capabilities. */
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if (!drv->has_driver_key_mgmt) {
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drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
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WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
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WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
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@ -1115,17 +1278,47 @@ int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
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if (drv->capa.enc & (WPA_DRIVER_CAPA_ENC_CCMP_256 |
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WPA_DRIVER_CAPA_ENC_GCMP_256))
|
||||
drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
|
||||
drv->capa.key_mgmt |=
|
||||
WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
|
||||
|
||||
if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
|
||||
drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
|
||||
drv->capa.key_mgmt |=
|
||||
WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
|
||||
WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384 |
|
||||
WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256 |
|
||||
WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384 |
|
||||
WPA_DRIVER_CAPA_KEY_MGMT_SAE;
|
||||
else if (drv->capa.flags & WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD)
|
||||
drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
|
||||
drv->capa.key_mgmt |=
|
||||
WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
|
||||
WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384;
|
||||
}
|
||||
|
||||
if (!info.has_key_mgmt_iftype) {
|
||||
/* If the driver does not advertize per interface AKM
|
||||
* capabilities, consider all interfaces to support default AKMs
|
||||
* in key_mgmt. */
|
||||
for (i = 0; i < WPA_IF_MAX; i++)
|
||||
drv->capa.key_mgmt_iftype[i] = drv->capa.key_mgmt;
|
||||
} else if (info.has_key_mgmt_iftype && !info.has_key_mgmt) {
|
||||
/* If the driver advertizes only per interface supported AKMs
|
||||
* but does not advertize per wiphy AKM capabilities, consider
|
||||
* the default key_mgmt as a mask of per interface supported
|
||||
* AKMs. */
|
||||
drv->capa.key_mgmt = 0;
|
||||
for (i = 0; i < WPA_IF_MAX; i++)
|
||||
drv->capa.key_mgmt |= drv->capa.key_mgmt_iftype[i];
|
||||
} else if (info.has_key_mgmt_iftype && info.has_key_mgmt) {
|
||||
/* If the driver advertizes AKM capabilities both per wiphy and
|
||||
* per interface, consider the interfaces for which per
|
||||
* interface AKM capabilities were not received to support the
|
||||
* default key_mgmt capabilities.
|
||||
*/
|
||||
for (i = 0; i < WPA_IF_MAX; i++)
|
||||
if (!drv->capa.key_mgmt_iftype[i])
|
||||
drv->capa.key_mgmt_iftype[i] =
|
||||
drv->capa.key_mgmt;
|
||||
}
|
||||
|
||||
drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
|
||||
WPA_DRIVER_AUTH_SHARED |
|
||||
|
|
|
@ -968,6 +968,7 @@ static void wext_check_hostap(struct wpa_driver_wext_data *drv)
|
|||
static int wpa_driver_wext_finish_drv_init(struct wpa_driver_wext_data *drv)
|
||||
{
|
||||
int send_rfkill_event = 0;
|
||||
int i;
|
||||
|
||||
if (linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 1) < 0) {
|
||||
if (rfkill_is_blocked(drv->rfkill)) {
|
||||
|
@ -996,6 +997,10 @@ static int wpa_driver_wext_finish_drv_init(struct wpa_driver_wext_data *drv)
|
|||
|
||||
wpa_driver_wext_get_range(drv);
|
||||
|
||||
/* Update per interface supported AKMs */
|
||||
for (i = 0; i < WPA_IF_MAX; i++)
|
||||
drv->capa.key_mgmt_iftype[i] = drv->capa.key_mgmt;
|
||||
|
||||
/*
|
||||
* Unlock the driver's BSSID and force to a random SSID to clear any
|
||||
* previous association the driver might have when the supplicant
|
||||
|
|
Loading…
Reference in a new issue