1 /* 2 * Driver interaction with extended Linux CFG8021 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 * 8 * Alternatively, this software may be distributed under the terms of BSD 9 * license. 10 * 11 */ 12 13 #include "includes.h" 14 #include <sys/types.h> 15 #include <fcntl.h> 16 #include <net/if.h> 17 18 #include "common.h" 19 #include "linux_ioctl.h" 20 #include "driver_nl80211.h" 21 #include "wpa_supplicant_i.h" 22 #include "config.h" 23 #ifdef ANDROID 24 #include "android_drv.h" 25 #endif 26 27 #define WPA_PS_ENABLED 0 28 #define WPA_PS_DISABLED 1 29 #define UNUSED(x) (void)(x) 30 31 32 /* Return type for setBand*/ 33 enum { 34 SEND_CHANNEL_CHANGE_EVENT = 0, 35 DO_NOT_SEND_CHANNEL_CHANGE_EVENT, 36 }; 37 38 typedef struct android_wifi_priv_cmd { 39 char *buf; 40 int used_len; 41 int total_len; 42 } android_wifi_priv_cmd; 43 44 static int drv_errors = 0; 45 46 static void wpa_driver_notify_country_change(void *ctx, char *cmd) 47 { 48 if ((os_strncasecmp(cmd, "COUNTRY", 7) == 0) || 49 (os_strncasecmp(cmd, "SETBAND", 7) == 0)) { 50 union wpa_event_data event; 51 52 os_memset(&event, 0, sizeof(event)); 53 event.channel_list_changed.initiator = REGDOM_SET_BY_USER; 54 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) { 55 event.channel_list_changed.type = REGDOM_TYPE_COUNTRY; 56 if (os_strlen(cmd) > 9) { 57 event.channel_list_changed.alpha2[0] = cmd[8]; 58 event.channel_list_changed.alpha2[1] = cmd[9]; 59 } 60 } else { 61 event.channel_list_changed.type = REGDOM_TYPE_UNKNOWN; 62 } 63 wpa_supplicant_event(ctx, EVENT_CHANNEL_LIST_CHANGED, &event); 64 } 65 } 66 67 int wpa_driver_nl80211_driver_cmd(void *priv, char *cmd, char *buf, 68 size_t buf_len ) 69 { 70 struct i802_bss *bss = priv; 71 struct wpa_driver_nl80211_data *drv = bss->drv; 72 struct wpa_driver_nl80211_data *driver; 73 struct ifreq ifr; 74 android_wifi_priv_cmd priv_cmd; 75 int ret = 0; 76 77 if (os_strcasecmp(cmd, "START") == 0) { 78 dl_list_for_each(driver, &drv->global->interfaces, struct wpa_driver_nl80211_data, list) { 79 linux_set_iface_flags(drv->global->ioctl_sock, driver->first_bss->ifname, 1); 80 wpa_msg(drv->ctx, MSG_INFO, WPA_EVENT_DRIVER_STATE "STARTED"); 81 } 82 } else if (os_strcasecmp(cmd, "MACADDR") == 0) { 83 u8 macaddr[ETH_ALEN] = {}; 84 85 ret = linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, macaddr); 86 if (!ret) 87 ret = os_snprintf(buf, buf_len, 88 "Macaddr = " MACSTR "\n", MAC2STR(macaddr)); 89 } else { /* Use private command */ 90 memset(&ifr, 0, sizeof(ifr)); 91 memset(&priv_cmd, 0, sizeof(priv_cmd)); 92 os_memcpy(buf, cmd, strlen(cmd) + 1); 93 os_strlcpy(ifr.ifr_name, bss->ifname, IFNAMSIZ); 94 95 priv_cmd.buf = buf; 96 priv_cmd.used_len = buf_len; 97 priv_cmd.total_len = buf_len; 98 ifr.ifr_data = &priv_cmd; 99 100 if ((ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr)) < 0) { 101 wpa_printf(MSG_ERROR, "%s: failed to issue private commands\n", __func__); 102 } else { 103 drv_errors = 0; 104 if((os_strncasecmp(cmd, "SETBAND", 7) == 0) && 105 ret == DO_NOT_SEND_CHANNEL_CHANGE_EVENT) { 106 return 0; 107 } 108 109 ret = 0; 110 if ((os_strcasecmp(cmd, "LINKSPEED") == 0) || 111 (os_strcasecmp(cmd, "RSSI") == 0) || 112 (os_strcasecmp(cmd, "GETBAND") == 0) ) 113 ret = strlen(buf); 114 else if (os_strcasecmp(cmd, "P2P_DEV_ADDR") == 0) 115 wpa_printf(MSG_DEBUG, "%s: P2P: Device address ("MACSTR")", 116 __func__, MAC2STR(buf)); 117 else if (os_strcasecmp(cmd, "P2P_SET_PS") == 0) 118 wpa_printf(MSG_DEBUG, "%s: P2P: %s ", __func__, buf); 119 else if (os_strcasecmp(cmd, "P2P_SET_NOA") == 0) 120 wpa_printf(MSG_DEBUG, "%s: P2P: %s ", __func__, buf); 121 else if (os_strcasecmp(cmd, "STOP") == 0) { 122 wpa_printf(MSG_DEBUG, "%s: %s ", __func__, buf); 123 dl_list_for_each(driver, &drv->global->interfaces, struct wpa_driver_nl80211_data, list) { 124 linux_set_iface_flags(drv->global->ioctl_sock, driver->first_bss->ifname, 0); 125 wpa_msg(drv->ctx, MSG_INFO, WPA_EVENT_DRIVER_STATE "STOPPED"); 126 } 127 } 128 else 129 wpa_printf(MSG_DEBUG, "%s %s len = %d, %zu", __func__, buf, ret, buf_len); 130 wpa_driver_notify_country_change(drv->ctx, cmd); 131 } 132 } 133 return ret; 134 } 135 136 int wpa_driver_set_p2p_noa(void *priv, u8 count, int start, int duration) 137 { 138 char buf[MAX_DRV_CMD_SIZE]; 139 140 memset(buf, 0, sizeof(buf)); 141 wpa_printf(MSG_DEBUG, "%s: Entry", __func__); 142 snprintf(buf, sizeof(buf), "P2P_SET_NOA %d %d %d", count, start, duration); 143 return wpa_driver_nl80211_driver_cmd(priv, buf, buf, strlen(buf)+1); 144 } 145 146 int wpa_driver_get_p2p_noa(void *priv, u8 *buf, size_t len) 147 { 148 UNUSED(priv), UNUSED(buf), UNUSED(len); 149 /* Return 0 till we handle p2p_presence request completely in the driver */ 150 return 0; 151 } 152 153 int wpa_driver_set_p2p_ps(void *priv, int legacy_ps, int opp_ps, int ctwindow) 154 { 155 char buf[MAX_DRV_CMD_SIZE]; 156 157 memset(buf, 0, sizeof(buf)); 158 wpa_printf(MSG_DEBUG, "%s: Entry", __func__); 159 snprintf(buf, sizeof(buf), "P2P_SET_PS %d %d %d", legacy_ps, opp_ps, ctwindow); 160 return wpa_driver_nl80211_driver_cmd(priv, buf, buf, strlen(buf) + 1); 161 } 162 163 int wpa_driver_set_ap_wps_p2p_ie(void *priv, const struct wpabuf *beacon, 164 const struct wpabuf *proberesp, 165 const struct wpabuf *assocresp) 166 { 167 UNUSED(priv), UNUSED(beacon), UNUSED(proberesp), UNUSED(assocresp); 168 return 0; 169 } 170
