Dmitry Shmidt | fb45fd5 | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Driver interaction with Linux nl80211/cfg80211 - Android specific |
| 3 | * Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi> |
| 4 | * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net> |
| 5 | * Copyright (c) 2009-2010, Atheros Communications |
| 6 | * |
| 7 | * This software may be distributed under the terms of the BSD license. |
| 8 | * See README for more details. |
| 9 | */ |
| 10 | |
| 11 | #include "includes.h" |
| 12 | #include <sys/ioctl.h> |
| 13 | #include <net/if.h> |
| 14 | #include <netlink/genl/genl.h> |
| 15 | #include <netlink/genl/family.h> |
| 16 | #include <netlink/genl/ctrl.h> |
| 17 | #include <fcntl.h> |
| 18 | |
| 19 | #include "utils/common.h" |
| 20 | #include "driver_nl80211.h" |
| 21 | #include "android_drv.h" |
| 22 | |
| 23 | |
| 24 | typedef struct android_wifi_priv_cmd { |
| 25 | char *buf; |
| 26 | int used_len; |
| 27 | int total_len; |
| 28 | } android_wifi_priv_cmd; |
| 29 | |
| 30 | static int drv_errors = 0; |
| 31 | |
| 32 | static void wpa_driver_send_hang_msg(struct wpa_driver_nl80211_data *drv) |
| 33 | { |
| 34 | drv_errors++; |
| 35 | if (drv_errors > DRV_NUMBER_SEQUENTIAL_ERRORS) { |
| 36 | drv_errors = 0; |
| 37 | wpa_msg(drv->ctx, MSG_INFO, WPA_EVENT_DRIVER_STATE "HANGED"); |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | |
| 42 | static int android_priv_cmd(struct i802_bss *bss, const char *cmd) |
| 43 | { |
| 44 | struct wpa_driver_nl80211_data *drv = bss->drv; |
| 45 | struct ifreq ifr; |
| 46 | android_wifi_priv_cmd priv_cmd; |
| 47 | char buf[MAX_DRV_CMD_SIZE]; |
| 48 | int ret; |
| 49 | |
| 50 | os_memset(&ifr, 0, sizeof(ifr)); |
| 51 | os_memset(&priv_cmd, 0, sizeof(priv_cmd)); |
| 52 | os_strlcpy(ifr.ifr_name, bss->ifname, IFNAMSIZ); |
| 53 | |
| 54 | os_memset(buf, 0, sizeof(buf)); |
| 55 | os_strlcpy(buf, cmd, sizeof(buf)); |
| 56 | |
| 57 | priv_cmd.buf = buf; |
| 58 | priv_cmd.used_len = sizeof(buf); |
| 59 | priv_cmd.total_len = sizeof(buf); |
| 60 | ifr.ifr_data = &priv_cmd; |
| 61 | |
| 62 | ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr); |
| 63 | if (ret < 0) { |
| 64 | wpa_printf(MSG_ERROR, "%s: failed to issue private commands", |
| 65 | __func__); |
| 66 | wpa_driver_send_hang_msg(drv); |
| 67 | return ret; |
| 68 | } |
| 69 | |
| 70 | drv_errors = 0; |
| 71 | return 0; |
| 72 | } |
| 73 | |
| 74 | |
| 75 | int android_pno_start(struct i802_bss *bss, |
| 76 | struct wpa_driver_scan_params *params) |
| 77 | { |
| 78 | struct wpa_driver_nl80211_data *drv = bss->drv; |
| 79 | struct ifreq ifr; |
| 80 | android_wifi_priv_cmd priv_cmd; |
| 81 | int ret = 0, i = 0, bp; |
| 82 | char buf[WEXT_PNO_MAX_COMMAND_SIZE]; |
| 83 | |
| 84 | bp = WEXT_PNOSETUP_HEADER_SIZE; |
| 85 | os_memcpy(buf, WEXT_PNOSETUP_HEADER, bp); |
| 86 | buf[bp++] = WEXT_PNO_TLV_PREFIX; |
| 87 | buf[bp++] = WEXT_PNO_TLV_VERSION; |
| 88 | buf[bp++] = WEXT_PNO_TLV_SUBVERSION; |
| 89 | buf[bp++] = WEXT_PNO_TLV_RESERVED; |
| 90 | |
| 91 | while (i < WEXT_PNO_AMOUNT && (size_t) i < params->num_ssids) { |
| 92 | /* Check that there is enough space needed for 1 more SSID, the |
| 93 | * other sections and null termination */ |
| 94 | if ((bp + WEXT_PNO_SSID_HEADER_SIZE + MAX_SSID_LEN + |
| 95 | WEXT_PNO_NONSSID_SECTIONS_SIZE + 1) >= (int) sizeof(buf)) |
| 96 | break; |
| 97 | wpa_hexdump_ascii(MSG_DEBUG, "For PNO Scan", |
| 98 | params->ssids[i].ssid, |
| 99 | params->ssids[i].ssid_len); |
| 100 | buf[bp++] = WEXT_PNO_SSID_SECTION; |
| 101 | buf[bp++] = params->ssids[i].ssid_len; |
| 102 | os_memcpy(&buf[bp], params->ssids[i].ssid, |
| 103 | params->ssids[i].ssid_len); |
| 104 | bp += params->ssids[i].ssid_len; |
| 105 | i++; |
| 106 | } |
| 107 | |
| 108 | buf[bp++] = WEXT_PNO_SCAN_INTERVAL_SECTION; |
| 109 | os_snprintf(&buf[bp], WEXT_PNO_SCAN_INTERVAL_LENGTH + 1, "%x", |
| 110 | WEXT_PNO_SCAN_INTERVAL); |
| 111 | bp += WEXT_PNO_SCAN_INTERVAL_LENGTH; |
| 112 | |
| 113 | buf[bp++] = WEXT_PNO_REPEAT_SECTION; |
| 114 | os_snprintf(&buf[bp], WEXT_PNO_REPEAT_LENGTH + 1, "%x", |
| 115 | WEXT_PNO_REPEAT); |
| 116 | bp += WEXT_PNO_REPEAT_LENGTH; |
| 117 | |
| 118 | buf[bp++] = WEXT_PNO_MAX_REPEAT_SECTION; |
| 119 | os_snprintf(&buf[bp], WEXT_PNO_MAX_REPEAT_LENGTH + 1, "%x", |
| 120 | WEXT_PNO_MAX_REPEAT); |
| 121 | bp += WEXT_PNO_MAX_REPEAT_LENGTH + 1; |
| 122 | |
| 123 | memset(&ifr, 0, sizeof(ifr)); |
| 124 | memset(&priv_cmd, 0, sizeof(priv_cmd)); |
| 125 | os_strlcpy(ifr.ifr_name, bss->ifname, IFNAMSIZ); |
| 126 | |
| 127 | priv_cmd.buf = buf; |
| 128 | priv_cmd.used_len = bp; |
| 129 | priv_cmd.total_len = bp; |
| 130 | ifr.ifr_data = &priv_cmd; |
| 131 | |
| 132 | ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr); |
| 133 | |
| 134 | if (ret < 0) { |
| 135 | wpa_printf(MSG_ERROR, "ioctl[SIOCSIWPRIV] (pnosetup): %d", |
| 136 | ret); |
| 137 | wpa_driver_send_hang_msg(drv); |
| 138 | return ret; |
| 139 | } |
| 140 | |
| 141 | drv_errors = 0; |
| 142 | |
| 143 | return android_priv_cmd(bss, "PNOFORCE 1"); |
| 144 | } |
| 145 | |
| 146 | |
| 147 | int android_pno_stop(struct i802_bss *bss) |
| 148 | { |
| 149 | return android_priv_cmd(bss, "PNOFORCE 0"); |
| 150 | } |
| 151 | |
| 152 | |
| 153 | #ifdef ANDROID_P2P |
Dmitry Shmidt | 4171258 | 2015-06-29 11:02:15 -0700 | [diff] [blame] | 154 | #ifdef ANDROID_LIB_STUB |
Dmitry Shmidt | fb45fd5 | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 155 | |
| 156 | int wpa_driver_set_p2p_noa(void *priv, u8 count, int start, int duration) |
| 157 | { |
| 158 | return 0; |
| 159 | } |
| 160 | |
| 161 | |
| 162 | int wpa_driver_get_p2p_noa(void *priv, u8 *buf, size_t len) |
| 163 | { |
| 164 | return 0; |
| 165 | } |
| 166 | |
| 167 | |
| 168 | int wpa_driver_set_p2p_ps(void *priv, int legacy_ps, int opp_ps, int ctwindow) |
| 169 | { |
| 170 | return -1; |
| 171 | } |
| 172 | |
| 173 | |
| 174 | int wpa_driver_set_ap_wps_p2p_ie(void *priv, const struct wpabuf *beacon, |
| 175 | const struct wpabuf *proberesp, |
| 176 | const struct wpabuf *assocresp) |
| 177 | { |
| 178 | return 0; |
| 179 | } |
| 180 | |
Dmitry Shmidt | 4171258 | 2015-06-29 11:02:15 -0700 | [diff] [blame] | 181 | #endif /* ANDROID_LIB_STUB */ |
Dmitry Shmidt | fb45fd5 | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 182 | #endif /* ANDROID_P2P */ |
| 183 | |
| 184 | |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 185 | int android_nl_socket_set_nonblocking(struct nl_sock *handle) |
Dmitry Shmidt | fb45fd5 | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 186 | { |
| 187 | return fcntl(nl_socket_get_fd(handle), F_SETFL, O_NONBLOCK); |
| 188 | } |