add slsi wpa_supplicant library
[GitHub/LineageOS/android_hardware_samsung_slsi_scsc_wifibt_wpa_supplicant_lib.git] / driver_cmd_nl80211.c
diff --git a/driver_cmd_nl80211.c b/driver_cmd_nl80211.c
new file mode 100644 (file)
index 0000000..da84370
--- /dev/null
@@ -0,0 +1,204 @@
+/*
+ * 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 "includes.h"
+#include <sys/types.h>
+#include <fcntl.h>
+#include <net/if.h>
+
+#include "common.h"
+#include "linux_ioctl.h"
+#include "driver_nl80211.h"
+#include "wpa_supplicant_i.h"
+#include "config.h"
+#ifdef ANDROID
+#include "android_drv.h"
+#endif
+
+typedef struct android_wifi_priv_cmd {
+       char *buf;
+       int  used_len;
+       int  total_len;
+} android_wifi_priv_cmd;
+
+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 void wpa_driver_notify_country_change(void *ctx, char *cmd)
+{
+       if ((os_strncasecmp(cmd, "COUNTRY", 7) == 0) ||
+           (os_strncasecmp(cmd, "SETBAND", 7) == 0)) {
+               union wpa_event_data event;
+
+               os_memset(&event, 0, sizeof(event));
+               event.channel_list_changed.initiator = REGDOM_SET_BY_USER;
+               if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
+                       event.channel_list_changed.type = REGDOM_TYPE_COUNTRY;
+                       if (os_strlen(cmd) > 9) {
+                               event.channel_list_changed.alpha2[0] = cmd[8];
+                               event.channel_list_changed.alpha2[1] = cmd[9];
+                       }
+               } else {
+                       event.channel_list_changed.type = REGDOM_TYPE_UNKNOWN;
+               }
+               wpa_supplicant_event(ctx, EVENT_CHANNEL_LIST_CHANGED, &event);
+       }
+}
+
+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->global->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->global->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->global->ioctl_sock, bss->ifname, macaddr);
+               if (!ret)
+                       ret = os_snprintf(buf, buf_len,
+                                         "Macaddr = " MACSTR "\n", MAC2STR(macaddr));
+       } else { /* Use private command */
+               os_memcpy(buf, cmd, strlen(cmd) + 1);
+               memset(&ifr, 0, sizeof(ifr));
+               memset(&priv_cmd, 0, sizeof(priv_cmd));
+               os_strlcpy(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;
+
+               if ((ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 2, &ifr)) < 0) {
+                       wpa_printf(MSG_ERROR, "%s: failed to issue private command: %s", __func__, cmd);
+                       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_strncasecmp(cmd, "WLS_BATCHING", 12) == 0))
+                               ret = strlen(buf);
+                       wpa_driver_notify_country_change(drv->ctx, cmd);
+                       wpa_printf(MSG_DEBUG, "%s %s len = %d, %zu", __func__, buf, ret, strlen(buf));
+               }
+       }
+       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 __unused, u8 *buf __unused, size_t len __unused)
+{
+       /* Return 0 till we handle p2p_presence request completely in the driver */
+       return 0;
+}
+
+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;
+       const struct wpabuf *ap_wps_p2p_ie = NULL;
+
+       char *_cmd = "SET_AP_P2P_WPS_IE";
+       char *pbuf;
+       int ret = 0;
+       int i, buf_len;
+       enum if_type {
+               NONE,
+               IF_TYPE_P2P_DEVICE,
+               IF_TYPE_P2P_GROUP
+       };
+       enum if_type iftype = NONE;
+       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__);
+
+       if (((proberesp != NULL) && (beacon == NULL)) ||
+               ((proberesp == NULL) && (beacon == NULL) && (assocresp == NULL)))
+               /* P2P Device mode Probe Response IEs */
+               iftype = IF_TYPE_P2P_DEVICE;
+       else if ((proberesp != NULL) && (beacon != NULL) && (assocresp != NULL))
+               iftype = IF_TYPE_P2P_GROUP;
+
+       for (i = 0; cmd_arr[i].cmd != -1; i++) {
+               ap_wps_p2p_ie = cmd_arr[i].src;
+               if (ap_wps_p2p_ie) {
+                       buf_len = strlen(_cmd) + 3 + wpabuf_len(ap_wps_p2p_ie);
+                       buf = os_zalloc(buf_len);
+                       if (NULL == buf) {
+                               wpa_printf(MSG_ERROR, "%s: Out of memory",
+                                          __func__);
+                               ret = -1;
+                               break;
+                       }
+               } else {
+                       continue;
+               }
+               pbuf = buf;
+               pbuf += snprintf(pbuf, buf_len - wpabuf_len(ap_wps_p2p_ie),
+                                "%s %d %d",_cmd, cmd_arr[i].cmd, iftype);
+               *pbuf++ = '\0';
+               os_memcpy(pbuf, wpabuf_head(ap_wps_p2p_ie), wpabuf_len(ap_wps_p2p_ie));
+               ret = wpa_driver_nl80211_driver_cmd(priv, buf, buf, buf_len);
+               os_free(buf);
+               if (ret < 0)
+                       break;
+       }
+
+       return ret;
+}