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-rw-r--r--drivers/staging/csr/wext_events.c285
1 files changed, 285 insertions, 0 deletions
diff --git a/drivers/staging/csr/wext_events.c b/drivers/staging/csr/wext_events.c
new file mode 100644
index 000000000000..d356887ac4c6
--- /dev/null
+++ b/drivers/staging/csr/wext_events.c
@@ -0,0 +1,285 @@
+/*
+ * ---------------------------------------------------------------------------
+ * FILE: wext_events.c
+ *
+ * PURPOSE:
+ * Code to generate iwevents.
+ *
+ * Copyright (C) 2006-2008 by Cambridge Silicon Radio Ltd.
+ *
+ * Refer to LICENSE.txt included with this source code for details on
+ * the license terms.
+ *
+ * ---------------------------------------------------------------------------
+ */
+#include <linux/types.h>
+#include <linux/etherdevice.h>
+#include <linux/if_arp.h>
+#include "csr_wifi_hip_unifi.h"
+#include "unifi_priv.h"
+
+
+
+/*
+ * ---------------------------------------------------------------------------
+ * wext_send_assoc_event
+ *
+ * Send wireless-extension events up to userland to announce
+ * successful association with an AP.
+ *
+ * Arguments:
+ * priv Pointer to driver context.
+ * bssid MAC address of AP we associated with
+ * req_ie, req_ie_len IEs in the original request
+ * resp_ie, resp_ie_len IEs in the response
+ *
+ * Returns:
+ * None.
+ *
+ * Notes:
+ * This is sent on first successful association, and again if we
+ * roam to another AP.
+ * ---------------------------------------------------------------------------
+ */
+void
+wext_send_assoc_event(unifi_priv_t *priv, unsigned char *bssid,
+ unsigned char *req_ie, int req_ie_len,
+ unsigned char *resp_ie, int resp_ie_len,
+ unsigned char *scan_ie, unsigned int scan_ie_len)
+{
+#if WIRELESS_EXT > 17
+ union iwreq_data wrqu;
+
+ if (req_ie_len == 0) req_ie = NULL;
+ wrqu.data.length = req_ie_len;
+ wrqu.data.flags = 0;
+ wireless_send_event(priv->netdev[CSR_WIFI_INTERFACE_IN_USE], IWEVASSOCREQIE, &wrqu, req_ie);
+
+ if (resp_ie_len == 0) resp_ie = NULL;
+ wrqu.data.length = resp_ie_len;
+ wrqu.data.flags = 0;
+ wireless_send_event(priv->netdev[CSR_WIFI_INTERFACE_IN_USE], IWEVASSOCRESPIE, &wrqu, resp_ie);
+
+ if (scan_ie_len > 0) {
+ wrqu.data.length = scan_ie_len;
+ wrqu.data.flags = 0;
+ wireless_send_event(priv->netdev[CSR_WIFI_INTERFACE_IN_USE], IWEVGENIE, &wrqu, scan_ie);
+ }
+
+ memcpy(&wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
+ wireless_send_event(priv->netdev[CSR_WIFI_INTERFACE_IN_USE], SIOCGIWAP, &wrqu, NULL);
+#endif
+} /* wext_send_assoc_event() */
+
+
+
+/*
+ * ---------------------------------------------------------------------------
+ * wext_send_disassoc_event
+ *
+ * Send a wireless-extension event up to userland to announce
+ * that we disassociated from an AP.
+ *
+ * Arguments:
+ * priv Pointer to driver context.
+ *
+ * Returns:
+ * None.
+ *
+ * Notes:
+ * The semantics of wpa_supplicant (the userland SME application) are
+ * that a SIOCGIWAP event with MAC address of all zero means
+ * disassociate.
+ * ---------------------------------------------------------------------------
+ */
+void
+wext_send_disassoc_event(unifi_priv_t *priv)
+{
+#if WIRELESS_EXT > 17
+ union iwreq_data wrqu;
+
+ memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
+ wireless_send_event(priv->netdev[CSR_WIFI_INTERFACE_IN_USE], SIOCGIWAP, &wrqu, NULL);
+#endif
+} /* wext_send_disassoc_event() */
+
+
+
+/*
+ * ---------------------------------------------------------------------------
+ * wext_send_scan_results_event
+ *
+ * Send wireless-extension events up to userland to announce
+ * completion of a scan.
+ *
+ * Arguments:
+ * priv Pointer to driver context.
+ *
+ * Returns:
+ * None.
+ *
+ * Notes:
+ * This doesn't actually report the results, they are retrieved
+ * using the SIOCGIWSCAN ioctl command.
+ * ---------------------------------------------------------------------------
+ */
+void
+wext_send_scan_results_event(unifi_priv_t *priv)
+{
+#if WIRELESS_EXT > 17
+ union iwreq_data wrqu;
+
+ wrqu.data.length = 0;
+ wrqu.data.flags = 0;
+ wireless_send_event(priv->netdev[CSR_WIFI_INTERFACE_IN_USE], SIOCGIWSCAN, &wrqu, NULL);
+
+#endif
+} /* wext_send_scan_results_event() */
+
+
+
+/*
+ * ---------------------------------------------------------------------------
+ * wext_send_michaelmicfailure_event
+ *
+ * Send wireless-extension events up to userland to announce
+ * completion of a scan.
+ *
+ * Arguments:
+ * priv Pointer to driver context.
+ * count, macaddr, key_type, key_idx, tsc
+ * Parameters from report from UniFi.
+ *
+ * Returns:
+ * None.
+ * ---------------------------------------------------------------------------
+ */
+#if WIRELESS_EXT >= 18
+static inline void
+_send_michaelmicfailure_event(struct net_device *dev,
+ int count, const unsigned char *macaddr,
+ int key_type, int key_idx,
+ unsigned char *tsc)
+{
+ union iwreq_data wrqu;
+ struct iw_michaelmicfailure mmf;
+
+ memset(&mmf, 0, sizeof(mmf));
+
+ mmf.flags = key_idx & IW_MICFAILURE_KEY_ID;
+ if (key_type == CSR_GROUP) {
+ mmf.flags |= IW_MICFAILURE_GROUP;
+ } else {
+ mmf.flags |= IW_MICFAILURE_PAIRWISE;
+ }
+ mmf.flags |= ((count << 5) & IW_MICFAILURE_COUNT);
+
+ mmf.src_addr.sa_family = ARPHRD_ETHER;
+ memcpy(mmf.src_addr.sa_data, macaddr, ETH_ALEN);
+
+ memcpy(mmf.tsc, tsc, IW_ENCODE_SEQ_MAX_SIZE);
+
+ memset(&wrqu, 0, sizeof(wrqu));
+ wrqu.data.length = sizeof(mmf);
+
+ wireless_send_event(dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&mmf);
+}
+#elif WIRELESS_EXT >= 15
+static inline void
+_send_michaelmicfailure_event(struct net_device *dev,
+ int count, const unsigned char *macaddr,
+ int key_type, int key_idx,
+ unsigned char *tsc)
+{
+ union iwreq_data wrqu;
+ char buf[128];
+
+ sprintf(buf,
+ "MLME-MICHAELMICFAILURE.indication(keyid=%d %scast addr=%02x:%02x:%02x:%02x:%02x:%02x)",
+ key_idx, (key_type == CSR_GROUP) ? "broad" : "uni",
+ macaddr[0], macaddr[1], macaddr[2],
+ macaddr[3], macaddr[4], macaddr[5]);
+ memset(&wrqu, 0, sizeof(wrqu));
+ wrqu.data.length = strlen(buf);
+ wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf);
+}
+#else /* WIRELESS_EXT >= 15 */
+static inline void
+_send_michaelmicfailure_event(struct net_device *dev,
+ int count, const unsigned char *macaddr,
+ int key_type, int key_idx,
+ unsigned char *tsc)
+{
+ /* Not supported before WEXT 15 */
+}
+#endif /* WIRELESS_EXT >= 15 */
+
+
+void
+wext_send_michaelmicfailure_event(unifi_priv_t *priv,
+ u16 count,
+ CsrWifiMacAddress address,
+ CsrWifiSmeKeyType keyType,
+ u16 interfaceTag)
+{
+ unsigned char tsc[8] = {0};
+
+ if (interfaceTag >= CSR_WIFI_NUM_INTERFACES) {
+ unifi_error(priv, "wext_send_michaelmicfailure_event bad interfaceTag\n");
+ return;
+ }
+
+ _send_michaelmicfailure_event(priv->netdev[interfaceTag],
+ count,
+ address.a,
+ keyType,
+ 0,
+ tsc);
+} /* wext_send_michaelmicfailure_event() */
+
+void
+wext_send_pmkid_candidate_event(unifi_priv_t *priv, CsrWifiMacAddress bssid, u8 preauth_allowed, u16 interfaceTag)
+{
+#if WIRELESS_EXT > 17
+ union iwreq_data wrqu;
+ struct iw_pmkid_cand pmkid_cand;
+
+ if (interfaceTag >= CSR_WIFI_NUM_INTERFACES) {
+ unifi_error(priv, "wext_send_pmkid_candidate_event bad interfaceTag\n");
+ return;
+ }
+
+ memset(&pmkid_cand, 0, sizeof(pmkid_cand));
+
+ if (preauth_allowed) {
+ pmkid_cand.flags |= IW_PMKID_CAND_PREAUTH;
+ }
+ pmkid_cand.bssid.sa_family = ARPHRD_ETHER;
+ memcpy(pmkid_cand.bssid.sa_data, bssid.a, ETH_ALEN);
+ /* Used as priority, smaller the number higher the priority, not really used in our case */
+ pmkid_cand.index = 1;
+
+ memset(&wrqu, 0, sizeof(wrqu));
+ wrqu.data.length = sizeof(pmkid_cand);
+
+ wireless_send_event(priv->netdev[interfaceTag], IWEVPMKIDCAND, &wrqu, (char *)&pmkid_cand);
+#endif
+} /* wext_send_pmkid_candidate_event() */
+
+/*
+ * Send a custom WEXT event to say we have completed initialisation
+ * and are now ready for WEXT ioctls. Used by Android wpa_supplicant.
+ */
+void
+wext_send_started_event(unifi_priv_t *priv)
+{
+#if WIRELESS_EXT > 17
+ union iwreq_data wrqu;
+ char data[] = "STARTED";
+
+ wrqu.data.length = sizeof(data);
+ wrqu.data.flags = 0;
+ wireless_send_event(priv->netdev[CSR_WIFI_INTERFACE_IN_USE], IWEVCUSTOM, &wrqu, data);
+#endif
+} /* wext_send_started_event() */
+
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-01 13:49:06 +0000