--- /dev/null
+/*
+ * Driver interaction with extended Linux CFG8021
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ */
+
+#include "driver_nl80211.h"
+#include "driver_cmd_common.h"
+
+#include "wpa_supplicant_i.h"
+#include "config.h"
+
+#define WPA_EVENT_DRIVER_STATE "CTRL-EVENT-DRIVER-STATE "
+
+#define WPA_PS_ENABLED 0
+#define WPA_PS_DISABLED 1
+
+typedef struct android_wifi_priv_cmd {
+ char *buf;
+ int used_len;
+ int total_len;
+} android_wifi_priv_cmd;
+
+int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv, struct nl_msg *msg,
+ int (*valid_handler)(struct nl_msg *, void *),
+ void *valid_data);
+
+static int drv_errors = 0;
+
+static void wpa_driver_send_hang_msg(struct wpa_driver_nl80211_data *drv)
+{
+ drv_errors++;
+ if (drv_errors > DRV_NUMBER_SEQUENTIAL_ERRORS) {
+ drv_errors = 0;
+ wpa_msg(drv->ctx, MSG_INFO, WPA_EVENT_DRIVER_STATE "HANGED");
+ }
+}
+
+static int wpa_driver_set_power_save(void *priv, int state)
+{
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
+ struct nl_msg *msg;
+ int ret = -1;
+ enum nl80211_ps_state ps_state;
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -1;
+
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+ NL80211_CMD_SET_POWER_SAVE, 0);
+
+ if (state == WPA_PS_ENABLED)
+ ps_state = NL80211_PS_ENABLED;
+ else
+ ps_state = NL80211_PS_DISABLED;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+ NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, ps_state);
+
+ ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+ msg = NULL;
+ if (ret < 0)
+ wpa_printf(MSG_ERROR, "nl80211: Set power mode fail: %d", ret);
+nla_put_failure:
+ nlmsg_free(msg);
+ return ret;
+}
+
+static int get_power_mode_handler(struct nl_msg *msg, void *arg)
+{
+ struct nlattr *tb[NL80211_ATTR_MAX + 1];
+ struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+ int *state = (int *)arg;
+
+ nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+ genlmsg_attrlen(gnlh, 0), NULL);
+
+ if (!tb[NL80211_ATTR_PS_STATE])
+ return NL_SKIP;
+
+ if (state) {
+ *state = (int)nla_get_u32(tb[NL80211_ATTR_PS_STATE]);
+ wpa_printf(MSG_DEBUG, "nl80211: Get power mode = %d", *state);
+ *state = (*state == NL80211_PS_ENABLED) ?
+ WPA_PS_ENABLED : WPA_PS_DISABLED;
+ }
+
+ return NL_SKIP;
+}
+
+static int wpa_driver_get_power_save(void *priv, int *state)
+{
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
+ struct nl_msg *msg;
+ int ret = -1;
+ enum nl80211_ps_state ps_state;
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -1;
+
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+ NL80211_CMD_GET_POWER_SAVE, 0);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+
+ ret = send_and_recv_msgs(drv, msg, get_power_mode_handler, state);
+ msg = NULL;
+ if (ret < 0)
+ wpa_printf(MSG_ERROR, "nl80211: Get power mode fail: %d", ret);
+nla_put_failure:
+ nlmsg_free(msg);
+ return ret;
+}
+
+static int wpa_driver_set_backgroundscan_params(void *priv)
+{
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
+ struct wpa_supplicant *wpa_s;
+ struct ifreq ifr;
+ android_wifi_priv_cmd priv_cmd;
+ int ret = 0, i = 0, bp;
+ char buf[WEXT_PNO_MAX_COMMAND_SIZE];
+ struct wpa_ssid *ssid_conf;
+
+ if (drv == NULL) {
+ wpa_printf(MSG_ERROR, "%s: drv is NULL. Exiting", __func__);
+ return -1;
+ }
+ if (drv->ctx == NULL) {
+ wpa_printf(MSG_ERROR, "%s: drv->ctx is NULL. Exiting", __func__);
+ return -1;
+ }
+ wpa_s = (struct wpa_supplicant *)(drv->ctx);
+ if (wpa_s->conf == NULL) {
+ wpa_printf(MSG_ERROR, "%s: wpa_s->conf is NULL. Exiting", __func__);
+ return -1;
+ }
+ ssid_conf = wpa_s->conf->ssid;
+
+ bp = WEXT_PNOSETUP_HEADER_SIZE;
+ os_memcpy(buf, WEXT_PNOSETUP_HEADER, bp);
+ buf[bp++] = WEXT_PNO_TLV_PREFIX;
+ buf[bp++] = WEXT_PNO_TLV_VERSION;
+ buf[bp++] = WEXT_PNO_TLV_SUBVERSION;
+ buf[bp++] = WEXT_PNO_TLV_RESERVED;
+
+ while ((i < WEXT_PNO_AMOUNT) && (ssid_conf != NULL)) {
+ /* Check that there is enough space needed for 1 more SSID, the other sections and null termination */
+ if ((bp + WEXT_PNO_SSID_HEADER_SIZE + MAX_SSID_LEN + WEXT_PNO_NONSSID_SECTIONS_SIZE + 1) >= (int)sizeof(buf))
+ break;
+ if ((!ssid_conf->disabled) && (ssid_conf->ssid_len <= MAX_SSID_LEN)){
+ wpa_printf(MSG_DEBUG, "For PNO Scan: %s", ssid_conf->ssid);
+ buf[bp++] = WEXT_PNO_SSID_SECTION;
+ buf[bp++] = ssid_conf->ssid_len;
+ os_memcpy(&buf[bp], ssid_conf->ssid, ssid_conf->ssid_len);
+ bp += ssid_conf->ssid_len;
+ i++;
+ }
+ ssid_conf = ssid_conf->next;
+ }
+
+ buf[bp++] = WEXT_PNO_SCAN_INTERVAL_SECTION;
+ os_snprintf(&buf[bp], WEXT_PNO_SCAN_INTERVAL_LENGTH + 1, "%x", WEXT_PNO_SCAN_INTERVAL);
+ bp += WEXT_PNO_SCAN_INTERVAL_LENGTH;
+
+ buf[bp++] = WEXT_PNO_REPEAT_SECTION;
+ os_snprintf(&buf[bp], WEXT_PNO_REPEAT_LENGTH + 1, "%x", WEXT_PNO_REPEAT);
+ bp += WEXT_PNO_REPEAT_LENGTH;
+
+ buf[bp++] = WEXT_PNO_MAX_REPEAT_SECTION;
+ os_snprintf(&buf[bp], WEXT_PNO_MAX_REPEAT_LENGTH + 1, "%x", WEXT_PNO_MAX_REPEAT);
+ bp += WEXT_PNO_MAX_REPEAT_LENGTH + 1;
+
+ memset(&ifr, 0, sizeof(ifr));
+ memset(&priv_cmd, 0, sizeof(priv_cmd));
+ os_strncpy(ifr.ifr_name, bss->ifname, IFNAMSIZ);
+
+ priv_cmd.buf = buf;
+ priv_cmd.used_len = bp;
+ priv_cmd.total_len = bp;
+ ifr.ifr_data = &priv_cmd;
+
+ ret = ioctl(drv->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr);
+
+ if (ret < 0) {
+ wpa_printf(MSG_ERROR, "ioctl[SIOCSIWPRIV] (pnosetup): %d", ret);
+ wpa_driver_send_hang_msg(drv);
+ } else {
+ drv_errors = 0;
+ }
+ return ret;
+}
+
+int wpa_driver_nl80211_driver_cmd(void *priv, char *cmd, char *buf,
+ size_t buf_len )
+{
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
+ struct ifreq ifr;
+ android_wifi_priv_cmd priv_cmd;
+ int ret = 0;
+
+ if (os_strcasecmp(cmd, "STOP") == 0) {
+ linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 0);
+ wpa_msg(drv->ctx, MSG_INFO, WPA_EVENT_DRIVER_STATE "STOPPED");
+ } else if (os_strcasecmp(cmd, "START") == 0) {
+ linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 1);
+ wpa_msg(drv->ctx, MSG_INFO, WPA_EVENT_DRIVER_STATE "STARTED");
+ } else if (os_strcasecmp(cmd, "MACADDR") == 0) {
+ u8 macaddr[ETH_ALEN] = {};
+
+ ret = linux_get_ifhwaddr(drv->ioctl_sock, bss->ifname, macaddr);
+ if (!ret)
+ ret = os_snprintf(buf, buf_len,
+ "Macaddr = " MACSTR "\n", MAC2STR(macaddr));
+ } else if (os_strcasecmp(cmd, "RELOAD") == 0) {
+ wpa_msg(drv->ctx, MSG_INFO, WPA_EVENT_DRIVER_STATE "HANGED");
+ } else if (os_strncasecmp(cmd, "POWERMODE ", 10) == 0) {
+ int state;
+
+ state = atoi(cmd + 10);
+ ret = wpa_driver_set_power_save(priv, state);
+ if (ret < 0)
+ wpa_driver_send_hang_msg(drv);
+ else
+ drv_errors = 0;
+ } else if (os_strncasecmp(cmd, "GETPOWER", 8) == 0) {
+ int state = -1;
+
+ ret = wpa_driver_get_power_save(priv, &state);
+ if (!ret && (state != -1)) {
+ ret = os_snprintf(buf, buf_len, "POWERMODE = %d\n", state);
+ drv_errors = 0;
+ } else {
+ wpa_driver_send_hang_msg(drv);
+ }
+ } else { /* Use private command */
+ if (os_strcasecmp(cmd, "BGSCAN-START") == 0) {
+ ret = wpa_driver_set_backgroundscan_params(priv);
+ if (ret < 0) {
+ return ret;
+ }
+ os_memcpy(buf, "PNOFORCE 1", 11);
+ } else if (os_strcasecmp(cmd, "BGSCAN-STOP") == 0) {
+ os_memcpy(buf, "PNOFORCE 0", 11);
+ } else {
+ os_memcpy(buf, cmd, strlen(cmd) + 1);
+ }
+ memset(&ifr, 0, sizeof(ifr));
+ memset(&priv_cmd, 0, sizeof(priv_cmd));
+ os_strncpy(ifr.ifr_name, bss->ifname, IFNAMSIZ);
+
+ priv_cmd.buf = buf;
+ priv_cmd.used_len = buf_len;
+ priv_cmd.total_len = buf_len;
+ ifr.ifr_data = &priv_cmd;
+
+#ifndef __i386__ /* we don't support SIOCDEVPRIVATE */
+ if ((ret = ioctl(drv->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr)) < 0) {
+ wpa_printf(MSG_ERROR, "%s: failed to issue private commands\n", __func__);
+ wpa_driver_send_hang_msg(drv);
+ } else {
+ drv_errors = 0;
+ ret = 0;
+ if ((os_strcasecmp(cmd, "LINKSPEED") == 0) ||
+ (os_strcasecmp(cmd, "RSSI") == 0) ||
+ (os_strcasecmp(cmd, "GETBAND") == 0) ||
+ (os_strcasecmp(cmd, "P2P_GET_NOA") == 0))
+ ret = strlen(buf);
+
+ wpa_printf(MSG_DEBUG, "%s %s len = %d, %d", __func__, buf, ret, strlen(buf));
+ }
+#endif
+ }
+ return ret;
+}
+
+int wpa_driver_set_p2p_noa(void *priv, u8 count, int start, int duration)
+{
+ char buf[MAX_DRV_CMD_SIZE];
+
+ memset(buf, 0, sizeof(buf));
+ wpa_printf(MSG_DEBUG, "%s: Entry", __func__);
+ snprintf(buf, sizeof(buf), "P2P_SET_NOA %d %d %d", count, start, duration);
+ return wpa_driver_nl80211_driver_cmd(priv, buf, buf, strlen(buf)+1);
+}
+
+int wpa_driver_get_p2p_noa(void *priv, u8 *buf, size_t len)
+{
+ char rbuf[MAX_DRV_CMD_SIZE];
+ char *cmd = "P2P_GET_NOA";
+ int ret;
+
+ wpa_printf(MSG_DEBUG, "%s: Entry", __func__);
+ os_memset(buf, 0, len);
+ ret = wpa_driver_nl80211_driver_cmd(priv, cmd, rbuf, sizeof(rbuf));
+ if (ret <= 0)
+ return 0;
+ ret >>= 1;
+ if (ret > (int)len)
+ ret = (int)len;
+ hexstr2bin(rbuf, buf, ret);
+ return ret;
+}
+
+int wpa_driver_set_p2p_ps(void *priv, int legacy_ps, int opp_ps, int ctwindow)
+{
+ char buf[MAX_DRV_CMD_SIZE];
+
+ memset(buf, 0, sizeof(buf));
+ wpa_printf(MSG_DEBUG, "%s: Entry", __func__);
+ snprintf(buf, sizeof(buf), "P2P_SET_PS %d %d %d", legacy_ps, opp_ps, ctwindow);
+ return wpa_driver_nl80211_driver_cmd(priv, buf, buf, strlen(buf) + 1);
+}
+
+int wpa_driver_set_ap_wps_p2p_ie(void *priv, const struct wpabuf *beacon,
+ const struct wpabuf *proberesp,
+ const struct wpabuf *assocresp)
+{
+ char buf[MAX_WPSP2PIE_CMD_SIZE];
+ struct wpabuf *ap_wps_p2p_ie = NULL;
+ char *_cmd = "SET_AP_WPS_P2P_IE";
+ char *pbuf;
+ int ret = 0;
+ int i;
+ struct cmd_desc {
+ int cmd;
+ const struct wpabuf *src;
+ } cmd_arr[] = {
+ {0x1, beacon},
+ {0x2, proberesp},
+ {0x4, assocresp},
+ {-1, NULL}
+ };
+
+ wpa_printf(MSG_DEBUG, "%s: Entry", __func__);
+ for (i = 0; cmd_arr[i].cmd != -1; i++) {
+ os_memset(buf, 0, sizeof(buf));
+ pbuf = buf;
+ pbuf += sprintf(pbuf, "%s %d", _cmd, cmd_arr[i].cmd);
+ *pbuf++ = '\0';
+ ap_wps_p2p_ie = cmd_arr[i].src ?
+ wpabuf_dup(cmd_arr[i].src) : NULL;
+ if (ap_wps_p2p_ie) {
+ os_memcpy(pbuf, wpabuf_head(ap_wps_p2p_ie), wpabuf_len(ap_wps_p2p_ie));
+ ret = wpa_driver_nl80211_driver_cmd(priv, buf, buf,
+ strlen(_cmd) + 3 + wpabuf_len(ap_wps_p2p_ie));
+ wpabuf_free(ap_wps_p2p_ie);
+ if (ret < 0)
+ break;
+ }
+ }
+
+ return ret;
+}