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@@ -33,6 +33,21 @@
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#include "wlan_blm_api.h"
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#include "wlan_scan_api.h"
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#include "wlan_vdev_mgr_ucfg_api.h"
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+#include "wlan_p2p_cfg_api.h"
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+#include "wlan_cm_vdev_api.h"
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+#include "cfg_nan_api.h"
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+
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+#ifdef WLAN_FEATURE_SAE
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+#define CM_IS_FW_FT_SAE_SUPPORTED(fw_akm_bitmap) \
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+ (((fw_akm_bitmap) & (1 << AKM_FT_SAE)) ? true : false)
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+
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+#define CM_IS_FW_SAE_ROAM_SUPPORTED(fw_akm_bitmap) \
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+ (((fw_akm_bitmap) & (1 << AKM_SAE)) ? true : false)
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+#else
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+#define CM_IS_FW_FT_SAE_SUPPORTED(fw_akm_bitmap) (false)
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+
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+#define CM_IS_FW_SAE_ROAM_SUPPORTED(fw_akm_bitmap) (false)
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+#endif
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/**
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* cm_roam_scan_bmiss_cnt() - set roam beacon miss count
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@@ -2572,6 +2587,185 @@ cm_roam_offload_per_config(struct wlan_objmgr_psoc *psoc, uint8_t vdev_id)
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return status;
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}
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+#ifdef FEATURE_CM_ENABLE
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+#ifdef WLAN_ADAPTIVE_11R
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+static bool
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+cm_is_adaptive_11r_roam_supported(struct wlan_mlme_psoc_ext_obj *mlme_obj,
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+ struct rso_config *rso_cfg)
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+{
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+ if (rso_cfg->is_adaptive_11r_connection)
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+ return mlme_obj->cfg.lfr.tgt_adaptive_11r_cap;
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+
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+ return true;
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+}
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+#else
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+static bool
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+cm_is_adaptive_11r_roam_supported(struct wlan_mlme_psoc_ext_obj *mlme_obj,
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+ struct rso_config *rso_cfg)
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+
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+{
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+ return true;
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+}
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+#endif
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+
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+static QDF_STATUS
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+cm_roam_cmd_allowed(struct wlan_objmgr_psoc *psoc,
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+ struct wlan_objmgr_vdev *vdev,
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+ uint8_t command, uint8_t reason)
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+{
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+ uint8_t vdev_id = wlan_vdev_get_id(vdev);
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+ int32_t akm;
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+ struct rso_config *rso_cfg;
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+ struct wlan_mlme_psoc_ext_obj *mlme_obj;
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+ uint32_t fw_akm_bitmap;
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+ bool p2p_disable_sta_roaming = 0, nan_disable_sta_roaming = 0;
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+
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+ mlme_obj = mlme_get_psoc_ext_obj(psoc);
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+ if (!mlme_obj)
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+ return QDF_STATUS_E_FAILURE;
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+
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+ rso_cfg = wlan_cm_get_rso_config(vdev);
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+ if (!rso_cfg)
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+ return QDF_STATUS_E_FAILURE;
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+
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+ akm = wlan_crypto_get_param(vdev,
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+ WLAN_CRYPTO_PARAM_KEY_MGMT);
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+
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+ mlme_debug("RSO Command %d, vdev %d, Reason %d AKM %x",
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+ command, vdev_id, reason, akm);
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+
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+ if (!cm_is_vdev_connected(vdev) &&
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+ (command == ROAM_SCAN_OFFLOAD_UPDATE_CFG ||
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+ command == ROAM_SCAN_OFFLOAD_START ||
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+ command == ROAM_SCAN_OFFLOAD_RESTART)) {
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+ mlme_debug("vdev not in connected state and command %d ",
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+ command);
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+ return QDF_STATUS_E_FAILURE;
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+ }
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+
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+ if ((QDF_HAS_PARAM(akm, WLAN_CRYPTO_KEY_MGMT_FILS_SHA384) ||
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+ QDF_HAS_PARAM(akm, WLAN_CRYPTO_KEY_MGMT_FILS_SHA256)) &&
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+ !mlme_obj->cfg.lfr.rso_user_config.is_fils_roaming_supported) {
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+ mlme_info("FILS Roaming not suppprted by fw, akm %x", akm);
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+ return QDF_STATUS_E_NOSUPPORT;
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+ }
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+
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+ if (!cm_is_adaptive_11r_roam_supported(mlme_obj, rso_cfg)) {
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+ mlme_info("Adaptive 11r Roaming not suppprted by fw");
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+ return QDF_STATUS_E_NOSUPPORT;
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+ }
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+
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+ fw_akm_bitmap = mlme_obj->cfg.lfr.fw_akm_bitmap;
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+ /* Roaming is not supported currently for OWE akm */
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+ if (QDF_HAS_PARAM(akm, WLAN_CRYPTO_KEY_MGMT_OWE) &&
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+ !(fw_akm_bitmap & (1 << AKM_OWE))) {
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+ mlme_info("OWE Roaming not suppprted by fw");
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+ return QDF_STATUS_E_NOSUPPORT;
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+ }
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+
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+ /* Roaming is not supported for SAE authentication */
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+ if (QDF_HAS_PARAM(akm, WLAN_CRYPTO_KEY_MGMT_SAE) &&
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+ !CM_IS_FW_SAE_ROAM_SUPPORTED(fw_akm_bitmap)) {
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+ mlme_info("Roaming not suppprted for SAE connection");
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+ return QDF_STATUS_E_NOSUPPORT;
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+ }
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+
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+ if ((QDF_HAS_PARAM(akm, WLAN_CRYPTO_KEY_MGMT_IEEE8021X_SUITE_B) ||
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+ QDF_HAS_PARAM(akm, WLAN_CRYPTO_KEY_MGMT_IEEE8021X_SUITE_B_192)) &&
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+ !(fw_akm_bitmap & (1 << AKM_SUITEB))) {
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+ mlme_info("Roaming not supported for SUITEB connection");
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+ return QDF_STATUS_E_NOSUPPORT;
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+ }
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+
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+ /*
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+ * If fw doesn't advertise FT SAE, FT-FILS or FT-Suite-B capability,
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+ * don't support roaming to that profile
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+ */
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+ if (QDF_HAS_PARAM(akm, WLAN_CRYPTO_KEY_MGMT_FT_SAE) &&
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+ !CM_IS_FW_FT_SAE_SUPPORTED(fw_akm_bitmap)) {
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+ mlme_info("Roaming not suppprted for FT SAE akm");
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+ return QDF_STATUS_E_NOSUPPORT;
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+ }
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+
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+ if (QDF_HAS_PARAM(akm, WLAN_CRYPTO_KEY_MGMT_FT_IEEE8021X_SHA384) &&
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+ !(fw_akm_bitmap & (1 << AKM_FT_SUITEB_SHA384))) {
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+ mlme_info("Roaming not suppprted for FT Suite-B akm");
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+ return QDF_STATUS_E_NOSUPPORT;
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+ }
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+
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+ if ((QDF_HAS_PARAM(akm, WLAN_CRYPTO_KEY_MGMT_FT_FILS_SHA384) ||
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+ QDF_HAS_PARAM(akm, WLAN_CRYPTO_KEY_MGMT_FT_FILS_SHA256)) &&
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+ !(fw_akm_bitmap & (1 << AKM_FT_FILS))) {
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+ mlme_info("Roaming not suppprted for FT FILS akm");
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+ return QDF_STATUS_E_NOSUPPORT;
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+ }
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+
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+ p2p_disable_sta_roaming =
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+ (cfg_p2p_is_roam_config_disabled(psoc) &&
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+ (policy_mgr_mode_specific_connection_count(
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+ psoc, PM_P2P_CLIENT_MODE, NULL) ||
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+ policy_mgr_mode_specific_connection_count(
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+ psoc, PM_P2P_GO_MODE, NULL)));
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+ nan_disable_sta_roaming =
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+ (cfg_nan_is_roam_config_disabled(psoc) &&
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+ policy_mgr_mode_specific_connection_count(psoc, PM_NDI_MODE, NULL));
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+
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+ if ((command == ROAM_SCAN_OFFLOAD_START ||
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+ command == ROAM_SCAN_OFFLOAD_UPDATE_CFG) &&
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+ (p2p_disable_sta_roaming || nan_disable_sta_roaming)) {
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+ mlme_info("roaming not supported for active %s connection",
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+ p2p_disable_sta_roaming ? "p2p" : "ndi");
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+ return QDF_STATUS_E_FAILURE;
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+ }
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+
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+ /*
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+ * The Dynamic Config Items Update may happen even if the state is in
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+ * INIT. It is important to ensure that the command is passed down to
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+ * the FW only if the Infra Station is in a connected state. A connected
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+ * station could also be in a PREAUTH or REASSOC states.
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+ * 1) Block all CMDs that are not STOP in INIT State. For STOP always
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+ * inform firmware irrespective of state.
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+ * 2) Block update cfg CMD if its for REASON_ROAM_SET_BLACKLIST_BSSID,
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+ * because we need to inform firmware of blacklisted AP for PNO in
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+ * all states.
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+ */
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+ if ((cm_is_vdev_disconnecting(vdev) ||
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+ cm_is_vdev_disconnected(vdev)) &&
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+ (command != ROAM_SCAN_OFFLOAD_STOP) &&
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+ (reason != REASON_ROAM_SET_BLACKLIST_BSSID)) {
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+ mlme_info("Scan Command not sent to FW and cmd=%d", command);
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+ return QDF_STATUS_E_FAILURE;
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+ }
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+
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+ return QDF_STATUS_SUCCESS;
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+}
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+
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+static QDF_STATUS cm_is_rso_allowed(struct wlan_objmgr_psoc *psoc,
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+ uint8_t vdev_id, uint8_t command,
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+ uint8_t reason)
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+{
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+ struct wlan_objmgr_vdev *vdev;
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+ QDF_STATUS status;
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+
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+ vdev = wlan_objmgr_get_vdev_by_id_from_psoc(psoc, vdev_id,
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+ WLAN_MLME_CM_ID);
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+ if (!vdev) {
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+ mlme_err("vdev_id: %d: vdev not found", vdev_id);
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+ return QDF_STATUS_E_FAILURE;
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+ }
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+ status = cm_roam_cmd_allowed(psoc, vdev, command, reason);
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+ wlan_objmgr_vdev_release_ref(vdev, WLAN_MLME_CM_ID);
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+
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+ return status;
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+}
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+#else
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+static QDF_STATUS cm_is_rso_allowed(struct wlan_objmgr_psoc *psoc,
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+ uint8_t vdev_id, uint8_t command,
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+ uint8_t reason)
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+{
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+ return wlan_cm_roam_cmd_allowed(psoc, vdev_id, command, reason);
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+}
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+#endif
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/*
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* similar to csr_roam_offload_scan, will be used from many legacy
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* process directly, generate a new function wlan_cm_roam_send_rso_cmd
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@@ -2583,7 +2777,7 @@ QDF_STATUS cm_roam_send_rso_cmd(struct wlan_objmgr_psoc *psoc,
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{
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QDF_STATUS status = QDF_STATUS_E_FAILURE;
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- status = wlan_cm_roam_cmd_allowed(psoc, vdev_id, rso_command, reason);
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+ status = cm_is_rso_allowed(psoc, vdev_id, rso_command, reason);
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if (status == QDF_STATUS_E_NOSUPPORT)
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return QDF_STATUS_SUCCESS;
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@@ -3148,3 +3342,153 @@ cm_roam_state_change(struct wlan_objmgr_pdev *pdev,
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return status;
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}
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+
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+#if defined(WLAN_SAE_SINGLE_PMK) && defined(WLAN_FEATURE_ROAM_OFFLOAD)
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+void
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+cm_store_sae_single_pmk_to_global_cache(struct wlan_objmgr_psoc *psoc,
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+ struct wlan_objmgr_pdev *pdev,
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+ struct wlan_objmgr_vdev *vdev)
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+{
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+ struct mlme_pmk_info *pmk_info;
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+ struct cm_roam_values_copy src_cfg;
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+ struct qdf_mac_addr bssid;
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+ uint8_t vdev_id = wlan_vdev_get_id(vdev);
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+
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+ wlan_cm_roam_cfg_get_value(psoc, vdev_id,
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+ IS_SINGLE_PMK, &src_cfg);
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+ if (!src_cfg.bool_value)
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+ return;
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+ /*
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+ * Mark the AP as single PMK capable in Crypto Table
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+ */
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+ wlan_vdev_get_bss_peer_mac(vdev, &bssid);
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+ wlan_crypto_set_sae_single_pmk_bss_cap(vdev, &bssid, true);
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+
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+ pmk_info = qdf_mem_malloc(sizeof(*pmk_info));
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+ if (!pmk_info)
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+ return;
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+
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+ wlan_cm_get_psk_pmk(pdev, vdev_id, pmk_info->pmk, &pmk_info->pmk_len);
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+
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+ wlan_mlme_update_sae_single_pmk(vdev, pmk_info);
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+
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+ qdf_mem_zero(pmk_info, sizeof(*pmk_info));
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+ qdf_mem_free(pmk_info);
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+}
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+#endif
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+
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+#ifdef FEATURE_CM_ENABLE
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+
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+static bool cm_is_auth_type_11r(struct wlan_mlme_psoc_ext_obj *mlme_obj,
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+ struct wlan_objmgr_vdev *vdev,
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+ bool mdie_present)
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+{
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+ int32_t akm, ucast_cipher;
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+
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+ akm = wlan_crypto_get_param(vdev,
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+ WLAN_CRYPTO_PARAM_KEY_MGMT);
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+ ucast_cipher = wlan_crypto_get_param(vdev,
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+ WLAN_CRYPTO_PARAM_UCAST_CIPHER);
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+
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+ if (!ucast_cipher ||
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+ ((QDF_HAS_PARAM(ucast_cipher, WLAN_CRYPTO_CIPHER_NONE) ==
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+ ucast_cipher))) {
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+ if (mdie_present && mlme_obj->cfg.lfr.enable_ftopen)
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+ return true;
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+ } else if (QDF_HAS_PARAM(ucast_cipher,
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+ WLAN_CRYPTO_KEY_MGMT_FT_FILS_SHA384) ||
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+ QDF_HAS_PARAM(ucast_cipher,
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+ WLAN_CRYPTO_KEY_MGMT_FT_FILS_SHA256) ||
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+ QDF_HAS_PARAM(ucast_cipher, WLAN_CRYPTO_KEY_MGMT_FT_SAE) ||
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+ QDF_HAS_PARAM(ucast_cipher,
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+ WLAN_CRYPTO_KEY_MGMT_FT_IEEE8021X) ||
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+ QDF_HAS_PARAM(ucast_cipher, WLAN_CRYPTO_KEY_MGMT_FT_PSK) ||
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+ QDF_HAS_PARAM(ucast_cipher,
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+ WLAN_CRYPTO_KEY_MGMT_FT_IEEE8021X_SHA384)) {
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+ return true;
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+ }
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+
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+ return false;
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+}
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+
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+static void cm_roam_start_init(struct wlan_objmgr_psoc *psoc,
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+ struct wlan_objmgr_pdev *pdev,
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+ struct wlan_objmgr_vdev *vdev)
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+{
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+ struct cm_roam_values_copy src_cfg;
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+ bool mdie_present;
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+ uint8_t vdev_id = wlan_vdev_get_id(vdev);
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+ struct wlan_mlme_psoc_ext_obj *mlme_obj;
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+ enum QDF_OPMODE opmode;
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+
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+ opmode = wlan_vdev_mlme_get_opmode(vdev);
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+ if (opmode != QDF_STA_MODE) {
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+ sme_debug("Wrong opmode %d", opmode);
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+ return;
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+ }
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+ mlme_obj = mlme_get_psoc_ext_obj(psoc);
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+ if (!mlme_obj)
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+ return;
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+
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+ wlan_cm_init_occupied_ch_freq_list(pdev, psoc, vdev_id);
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+
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+ /*
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+ * Update RSSI change params to vdev
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+ */
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+ src_cfg.uint_value = mlme_obj->cfg.lfr.roam_rescan_rssi_diff;
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+ wlan_cm_roam_cfg_set_value(psoc, vdev_id,
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+ RSSI_CHANGE_THRESHOLD, &src_cfg);
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+
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+ src_cfg.uint_value = mlme_obj->cfg.lfr.roam_scan_hi_rssi_delay;
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+ wlan_cm_roam_cfg_set_value(psoc, vdev_id,
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+ HI_RSSI_DELAY_BTW_SCANS, &src_cfg);
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+
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+ wlan_cm_update_roam_scan_scheme_bitmap(psoc, vdev_id,
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+ DEFAULT_ROAM_SCAN_SCHEME_BITMAP);
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+ wlan_cm_roam_cfg_get_value(psoc, vdev_id,
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+ MOBILITY_DOMAIN, &src_cfg);
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+ mdie_present = src_cfg.bool_value;
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+ /* Based on the auth scheme tell if we are 11r */
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+ if (cm_is_auth_type_11r(mlme_obj, vdev, mdie_present)) {
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+ src_cfg.bool_value = true;
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+ } else {
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+ src_cfg.bool_value = false;
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+ }
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+ wlan_cm_roam_cfg_set_value(psoc, vdev_id,
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+ IS_11R_CONNECTION, &src_cfg);
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+
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+ if (!mlme_obj->cfg.lfr.roam_scan_offload_enabled)
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+ return;
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+ /*
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+ * Store the current PMK info of the AP
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+ * to the single pmk global cache if the BSS allows
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+ * single pmk roaming capable.
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+ */
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|
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+ cm_store_sae_single_pmk_to_global_cache(psoc, pdev, vdev);
|
|
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+
|
|
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+ if (!MLME_IS_ROAM_SYNCH_IN_PROGRESS(psoc, vdev_id))
|
|
|
+ wlan_cm_roam_state_change(pdev, vdev_id,
|
|
|
+ WLAN_ROAM_RSO_ENABLED,
|
|
|
+ REASON_CTX_INIT);
|
|
|
+}
|
|
|
+
|
|
|
+void cm_roam_start_init_on_connect(struct wlan_objmgr_pdev *pdev,
|
|
|
+ uint8_t vdev_id)
|
|
|
+{
|
|
|
+ struct wlan_objmgr_vdev *vdev;
|
|
|
+ struct wlan_objmgr_psoc *psoc;
|
|
|
+
|
|
|
+ psoc = wlan_pdev_get_psoc(pdev);
|
|
|
+ if (!psoc)
|
|
|
+ return;
|
|
|
+
|
|
|
+ vdev = wlan_objmgr_get_vdev_by_id_from_pdev(pdev, vdev_id,
|
|
|
+ WLAN_MLME_CM_ID);
|
|
|
+ if (!vdev) {
|
|
|
+ mlme_err("vdev_id: %d: vdev not found", vdev_id);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ cm_roam_start_init(psoc, pdev, vdev);
|
|
|
+ wlan_objmgr_vdev_release_ref(vdev, WLAN_MLME_CM_ID);
|
|
|
+}
|
|
|
+#endif
|
gaurank kathpalia