| /* |
| * 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 "hardware_legacy/driver_nl80211.h" |
| #include "wpa_supplicant_i.h" |
| #include "config.h" |
| #ifdef ANDROID |
| #include "android_drv.h" |
| #endif |
| |
| #define MAX_WPSP2PIE_CMD_SIZE 512 |
| |
| 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"); |
| } |
| } |
| |
| 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 */ |
| memset(&ifr, 0, sizeof(ifr)); |
| memset(&priv_cmd, 0, sizeof(priv_cmd)); |
| os_memcpy(buf, cmd, strlen(cmd) + 1); |
| 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; |
| |
| if ((ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr)) < 0) { |
| wpa_printf(MSG_ERROR, "%s: failed to issue private commands\n", __func__); |
| } else { |
| drv_errors = 0; |
| ret = 0; |
| if ((os_strcasecmp(cmd, "LINKSPEED") == 0) || |
| (os_strcasecmp(cmd, "RSSI") == 0) || |
| (os_strcasecmp(cmd, "GETBAND") == 0) ) |
| ret = strlen(buf); |
| else if (os_strcasecmp(cmd, "COUNTRY") == 0) |
| wpa_supplicant_event(drv->ctx, |
| EVENT_CHANNEL_LIST_CHANGED, NULL); |
| else if (os_strncasecmp(cmd, "SETBAND", 7) == 0) |
| wpa_printf(MSG_DEBUG, "%s: %s ", __func__, cmd); |
| else if (os_strcasecmp(cmd, "P2P_DEV_ADDR") == 0) |
| wpa_printf(MSG_DEBUG, "%s: P2P: Device address ("MACSTR")", |
| __func__, MAC2STR(buf)); |
| else if (os_strcasecmp(cmd, "P2P_SET_PS") == 0) |
| wpa_printf(MSG_DEBUG, "%s: P2P: %s ", __func__, buf); |
| else if (os_strcasecmp(cmd, "P2P_SET_NOA") == 0) |
| wpa_printf(MSG_DEBUG, "%s: P2P: %s ", __func__, buf); |
| else |
| wpa_printf(MSG_DEBUG, "%s %s len = %d, %d", __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, u8 *buf, size_t len) |
| { |
| /* 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[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; |
| } |