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driver_rtw.c
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/*
* hostapd / Driver interface for rtl871x driver
* Copyright (c) 2010,
*
* 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.
*
* See README and COPYING for more details.
*/
//#define CONFIG_MGNT_L2SOCK 1
#define CONFIG_MLME_OFFLOAD 1
#include "includes.h"
#include <net/if.h>
#include <sys/ioctl.h>
#include "common.h"
/*#include "wireless_copy.h"*/
#include "linux_wext.h"
#include "driver.h"
#include "eloop.h"
#include "priv_netlink.h"
#include "l2_packet/l2_packet.h"
#include "common/ieee802_11_defs.h"
#include "netlink.h"
#include "linux_ioctl.h"
//#include "../src/ap/hostapd.h"
//#include "../src/ap/ap_config.h"
#include "ap/hostapd.h"
#include "ap/ap_config.h"
#ifdef USE_KERNEL_HEADERS
/* compat-wireless does not include linux/compiler.h to define __user, so
* define it here */
#ifndef __user
#define __user
#endif /* __user */
#include <asm/types.h>
#include <linux/if_packet.h>
#include <linux/if_ether.h> /* The L2 protocols */
#include <linux/if_arp.h>
#include <linux/wireless.h>
#else /* USE_KERNEL_HEADERS */
#include <net/if_arp.h>
#include <netpacket/packet.h>
//#include "wireless_copy.h"
#endif /* USE_KERNEL_HEADERS */
//#include <net/if.h>
#ifndef ETH_P_80211_RAW
#define ETH_P_80211_RAW 0x0019
#endif
#if 0
#include "hostapd.h"
#include "driver.h"
#include "ieee802_1x.h"
#include "eloop.h"
#include "priv_netlink.h"
#include "sta_info.h"
#include "l2_packet/l2_packet.h"
#include "wpa.h"
#include "accounting.h"
#include "ieee802_11.h"
#include "hw_features.h"
#include "radius/radius.h"
#endif
#include "driver_rtl.h"
//static int rtl871x_sta_remove_ops(void *priv, const u8 *addr);
struct rtl871x_driver_data {
struct hostapd_data *hapd;
char iface[IFNAMSIZ + 1];
int ifindex;
struct l2_packet_data *l2_sock;/* socket for sending eapol frames*/
struct l2_packet_data *l2_sock_recv;/* raw packet recv socket from bridge interface*/
#ifdef CONFIG_MGNT_L2SOCK
struct l2_packet_data *mgnt_l2_sock; /* socket for tx/rx management frames*/
#else
int mgnt_sock;/* socket for tx/rx management frames*/
#endif
int ioctl_sock; /* socket for ioctl() use */
int wext_sock; /* socket for wireless events */
struct netlink_data *netlink;
int we_version;
u8 hw_mac[ETH_ALEN];
u8 acct_mac[ETH_ALEN];
struct hostap_sta_driver_data acct_data;
};
/*
static const char *ether_sprintf(const u8 *addr)
{
static char buf[sizeof(MACSTR)];
if (addr != NULL)
snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
else
snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
return buf;
}
*/
#ifndef CONFIG_MLME_OFFLOAD
static int rtl871x_set_iface_flags(void *priv, int dev_up)
{
struct rtl871x_driver_data *drv = priv;
struct ifreq ifr;
wpa_printf(MSG_DEBUG, "%s: dev_up=%d", __func__, dev_up);
if (drv->mgnt_sock < 0)
return -1;
memset(&ifr, 0, sizeof(ifr));
//os_strlcpy(ifr.ifr_name, drv->iface, IFNAMSIZ);
//os_strlcpy(ifr.ifr_name, "mgnt.wlan", IFNAMSIZ);
snprintf(ifr.ifr_name, IFNAMSIZ, "mgnt.%s", "wlan0");
if (ioctl(drv->mgnt_sock, SIOCGIFFLAGS, &ifr) != 0) {
perror("ioctl[SIOCGIFFLAGS]");
return -1;
}
if (dev_up)
ifr.ifr_flags |= IFF_UP;
else
ifr.ifr_flags &= ~IFF_UP;
if (ioctl(drv->mgnt_sock, SIOCSIFFLAGS, &ifr) != 0) {
perror("ioctl[SIOCSIFFLAGS]");
return -1;
}
#if 0
if (dev_up) {
memset(&ifr, 0, sizeof(ifr));
os_strlcpy(ifr.ifr_name, drv->iface, IFNAMSIZ);
ifr.ifr_mtu = HOSTAPD_MTU;
if (ioctl(drv->ioctl_sock, SIOCSIFMTU, &ifr) != 0) {
perror("ioctl[SIOCSIFMTU]");
printf("Setting MTU failed - trying to survive with "
"current value\n");
}
}
#endif
return 0;
}
#endif
static int rtl871x_hostapd_ioctl(struct rtl871x_driver_data *drv, ieee_param *param, int len)
{
struct iwreq iwr;
memset(&iwr, 0, sizeof(iwr));
os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
iwr.u.data.pointer = (caddr_t) param;
iwr.u.data.length = len;
if (ioctl(drv->ioctl_sock, RTL_IOCTL_HOSTAPD, &iwr) < 0) {
perror("ioctl[RTL_IOCTL_HOSTAPD]");
return -1;
}
return 0;
}
static int rtl871x_set_mode(struct rtl871x_driver_data *drv, u32 mode)
{
struct iwreq iwr;
if (drv->ioctl_sock < 0)
return -1;
memset(&iwr, 0, sizeof(iwr));
os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
//iwr.u.mode = IW_MODE_MASTER;
iwr.u.mode = mode;
if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) {
perror("ioctl[SIOCSIWMODE]");
printf("Could not set interface to mode(%d)!\n", mode);
return -1;
}
return 0;
}
/*
static int rtl871x_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
const u8 *ie, size_t ielen)
{
struct sta_info *sta;
int new_assoc, res;
//hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
// HOSTAPD_LEVEL_INFO, "associated");
sta = ap_get_sta(hapd, addr);
if (sta) {
accounting_sta_stop(hapd, sta);
} else {
sta = ap_sta_add(hapd, addr);
if (sta == NULL)
{
rtl871x_sta_remove_ops(hapd->drv_priv, addr);
return -1;
}
}
sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS);
if (hapd->conf->wpa) {
if (ie == NULL || ielen == 0) {
if (hapd->conf->wps_state) {
wpa_printf(MSG_DEBUG, "STA did not include "
"WPA/RSN IE in (Re)Association "
"Request - possible WPS use");
sta->flags |= WLAN_STA_MAYBE_WPS;
goto skip_wpa_check;
}
wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
return -1;
}
if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
sta->flags |= WLAN_STA_WPS;
goto skip_wpa_check;
}
if (sta->wpa_sm == NULL)
sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
sta->addr);
if (sta->wpa_sm == NULL) {
wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
"machine");
return -1;
}
res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
ie, ielen, NULL, 0);
if (res != WPA_IE_OK) {
wpa_printf(MSG_DEBUG, "WPA/RSN information element "
"rejected? (res %u)", res);
wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
return -1;
}
} else if (hapd->conf->wps_state) {
if (ie && ielen > 4 && ie[0] == 0xdd && ie[1] >= 4 &&
os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
sta->flags |= WLAN_STA_WPS;
} else
sta->flags |= WLAN_STA_MAYBE_WPS;
}
skip_wpa_check:
new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
hostapd_new_assoc_sta(hapd, sta, !new_assoc);
ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
return 0;
}
*/
static int rtl871x_get_sta_wpaie(struct rtl871x_driver_data *drv, u8 *iebuf, u8 *addr)
{
struct ieee_param param;
printf("+%s, " MACSTR " is sta's address\n", __func__, MAC2STR(addr));
memset(¶m, 0, sizeof(param));
param.cmd = RTL871X_HOSTAPD_GET_WPAIE_STA;
memcpy(param.sta_addr, addr, ETH_ALEN);
if (rtl871x_hostapd_ioctl(drv, ¶m, sizeof(param))) {
printf("Could not get sta wpaie from kernel driver.\n");
return -1;
}
if(param.u.wpa_ie.len > 32)
return -1;
memcpy(iebuf, param.u.wpa_ie.reserved, param.u.wpa_ie.len);
return 0;
}
static int rtl871x_del_sta(struct rtl871x_driver_data *drv, u8 *addr)
{
struct hostapd_data *hapd = drv->hapd;
#if 1
//union wpa_event_data event;
//os_memset(&event, 0, sizeof(event));
//event.disassoc_info.addr = addr;
//wpa_supplicant_event(hapd, EVENT_DISASSOC, &event);
drv_event_disassoc(hapd, addr);
#else
struct sta_info *sta;
//hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
// HOSTAPD_LEVEL_INFO, "disassociated");
sta = ap_get_sta(hapd, addr);
if (sta != NULL)
{
sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
ap_free_sta(hapd, sta);
}
else
{
wpa_printf(MSG_DEBUG, "Disassociation notification for "
"unknown STA " MACSTR, MAC2STR(addr));
}
#endif
return 0;
}
static int rtl871x_new_sta(struct rtl871x_driver_data *drv, u8 *addr)
{
struct hostapd_data *hapd = drv->hapd;
//struct ieee80211req_wpaie ie;
int ielen = 0, res=0;
//u8 *iebuf = NULL;
u8 iebuf[32], *piebuf=NULL;
/*
* Fetch negotiated WPA/RSN parameters from the driver.
*/
//memset(&ie, 0, sizeof(ie));
//memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
memset(iebuf, 0 , sizeof(iebuf));
if (rtl871x_get_sta_wpaie(drv, iebuf, addr)) {
//if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) {
wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE: %s",
__func__, strerror(errno));
goto no_ie;
}
//wpa_hexdump(MSG_MSGDUMP, "req WPA IE",
// ie.wpa_ie, IEEE80211_MAX_OPT_IE);
//wpa_hexdump(MSG_MSGDUMP, "req RSN IE",
// ie.rsn_ie, IEEE80211_MAX_OPT_IE);
//iebuf = ie.wpa_ie;
/*
if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC)
iebuf[1] = 0;
if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) {
iebuf = ie.rsn_ie;
if (iebuf[0] != WLAN_EID_RSN)
iebuf[1] = 0;
}
*/
if ((iebuf[0] == WLAN_EID_VENDOR_SPECIFIC) || (iebuf[0] == WLAN_EID_RSN) )
{
piebuf = iebuf;
ielen = iebuf[1];
if (ielen == 0)
piebuf = NULL;
else
ielen += 2;
}
no_ie:
//res = rtl871x_notif_assoc(hapd, addr, piebuf, ielen);
//drv_event_assoc(hapd, addr, piebuf, ielen);
drv_event_assoc(hapd, addr, piebuf, ielen, 0);
if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
/* Cached accounting data is not valid anymore. */
memset(drv->acct_mac, 0, ETH_ALEN);
memset(&drv->acct_data, 0, sizeof(drv->acct_data));
}
return res;
}
static void rtl871x_wireless_event_wireless(struct rtl871x_driver_data *drv,
char *data, int len)
{
struct iw_event iwe_buf, *iwe = &iwe_buf;
char *pos, *end, *custom, *buf;
pos = data;
end = data + len;
while (pos + IW_EV_LCP_LEN <= end) {
/* Event data may be unaligned, so make a local, aligned copy
* before processing. */
memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d",
iwe->cmd, iwe->len);
if (iwe->len <= IW_EV_LCP_LEN)
return;
custom = pos + IW_EV_POINT_LEN;
if (drv->we_version > 18 &&
(iwe->cmd == IWEVMICHAELMICFAILURE ||
iwe->cmd == IWEVCUSTOM)) {
/* WE-19 removed the pointer from struct iw_point */
char *dpos = (char *) &iwe_buf.u.data.length;
int dlen = dpos - (char *) &iwe_buf;
memcpy(dpos, pos + IW_EV_LCP_LEN,
sizeof(struct iw_event) - dlen);
} else {
memcpy(&iwe_buf, pos, sizeof(struct iw_event));
custom += IW_EV_POINT_OFF;
}
//printf("got wireless event, iwe->cmd=%d\n", iwe->cmd);
switch (iwe->cmd) {
case IWEVEXPIRED:
rtl871x_del_sta(drv, (u8 *)iwe->u.addr.sa_data);
break;
case IWEVREGISTERED:
if(rtl871x_new_sta(drv, (u8 *)iwe->u.addr.sa_data))
{
printf("Failed to add new sta: "MACSTR" \n", MAC2STR((u8 *)iwe->u.addr.sa_data));
}
break;
case IWEVCUSTOM:
if (custom + iwe->u.data.length > end)
return;
buf = malloc(iwe->u.data.length + 1);
if (buf == NULL)
return; /* XXX */
memcpy(buf, custom, iwe->u.data.length);
buf[iwe->u.data.length] = '\0';
//madwifi_wireless_event_wireless_custom(drv, buf);
free(buf);
break;
}
pos += iwe->len;
}
}
#if 1
static void rtl871x_wireless_event_rtm_newlink(void *ctx,
struct ifinfomsg *ifi, u8 *buf, size_t len)
{
struct rtl871x_driver_data *drv = ctx;
int attrlen, rta_len;
struct rtattr *attr;
if (ifi->ifi_index != drv->ifindex)
return;
attrlen = len;
attr = (struct rtattr *) buf;
rta_len = RTA_ALIGN(sizeof(struct rtattr));
while (RTA_OK(attr, attrlen)) {
if (attr->rta_type == IFLA_WIRELESS) {
rtl871x_wireless_event_wireless(
drv, ((char *) attr) + rta_len,
attr->rta_len - rta_len);
}
attr = RTA_NEXT(attr, attrlen);
}
}
#else
static void rtl871x_wireless_event_rtm_newlink(struct rtl871x_driver_data *drv,
struct nlmsghdr *h, int len)
{
struct ifinfomsg *ifi;
int attrlen, nlmsg_len, rta_len;
struct rtattr * attr;
if (len < (int) sizeof(*ifi))
return;
ifi = NLMSG_DATA(h);
if (ifi->ifi_index != drv->ifindex)
return;
nlmsg_len = NLMSG_ALIGN(sizeof(struct ifinfomsg));
attrlen = h->nlmsg_len - nlmsg_len;
if (attrlen < 0)
return;
attr = (struct rtattr *) (((char *) ifi) + nlmsg_len);
rta_len = RTA_ALIGN(sizeof(struct rtattr));
while (RTA_OK(attr, attrlen)) {
if (attr->rta_type == IFLA_WIRELESS) {
rtl871x_wireless_event_wireless(
drv, ((char *) attr) + rta_len,
attr->rta_len - rta_len);
}
attr = RTA_NEXT(attr, attrlen);
}
}
#endif
/*
static void rtl871x_wireless_event_receive(int sock, void *eloop_ctx, void *sock_ctx)
{
char buf[256];//!!!
int left;
struct sockaddr_nl from;
socklen_t fromlen;
struct nlmsghdr *h;
struct rtl871x_driver_data *drv = eloop_ctx;
//printf("+rtl871x_wireless_event_receive\n");
fromlen = sizeof(from);
left = recvfrom(sock, buf, sizeof(buf), MSG_DONTWAIT,
(struct sockaddr *) &from, &fromlen);
if (left < 0) {
if (errno != EINTR && errno != EAGAIN)
perror("recvfrom(netlink)");
return;
}
h = (struct nlmsghdr *)buf;
while (left >= (int) sizeof(*h)) {
int len, plen;
len = h->nlmsg_len;
plen = len - sizeof(*h);//payload len
if (len > left || plen < 0) {
printf("Malformed netlink message: "
"len=%d left=%d plen=%d\n",
len, left, plen);
break;
}
switch (h->nlmsg_type) {
case RTM_NEWLINK:
rtl871x_wireless_event_rtm_newlink(drv, h, plen);
break;
}
len = NLMSG_ALIGN(len);
left -= len;
h = (struct nlmsghdr *) ((char *) h + len);
}
if (left > 0) {
printf("%d extra bytes in the end of netlink message\n", left);
}
}
*/
static int rtl871x_wireless_event_init(struct rtl871x_driver_data *drv)
{
struct netlink_config *cfg;
//madwifi_get_we_version(drv);
cfg = os_zalloc(sizeof(*cfg));
if (cfg == NULL)
return -1;
cfg->ctx = drv;
cfg->newlink_cb = rtl871x_wireless_event_rtm_newlink;
drv->netlink = netlink_init(cfg);
if (drv->netlink == NULL) {
os_free(cfg);
return -1;
}
return 0;
}
/*
static int rtl871x_wireless_event_init_ops(void *priv)
{
int s;
struct sockaddr_nl local;
struct rtl871x_driver_data *drv = priv;
//madwifi_get_we_version(drv);
drv->wext_sock = -1;
s = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (s < 0) {
perror("socket(PF_NETLINK,SOCK_RAW,NETLINK_ROUTE)");
return -1;
}
memset(&local, 0, sizeof(local));
local.nl_family = AF_NETLINK;
local.nl_groups = RTMGRP_LINK;
if (bind(s, (struct sockaddr *) &local, sizeof(local)) < 0) {
perror("bind(netlink)");
close(s);
return -1;
}
eloop_register_read_sock(s, rtl871x_wireless_event_receive, drv, NULL);
drv->wext_sock = s;
return 0;
}
static void rtl871x_wireless_event_deinit_ops(void *priv)
{
struct rtl871x_driver_data *drv = priv;
if (drv != NULL) {
if (drv->wext_sock < 0)
return;
eloop_unregister_read_sock(drv->wext_sock);
close(drv->wext_sock);
}
}
*/
#if 1
static void rtl871x_handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
{
struct rtl871x_driver_data *drv = ctx;
drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr),
len - sizeof(struct l2_ethhdr));
}
#else
static void rtl871x_handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
{
struct rtl871x_driver_data *drv = ctx;
struct hostapd_data *hapd = drv->hapd;
struct sta_info *sta;
sta = ap_get_sta(hapd, src_addr);
if (!sta || !(sta->flags & WLAN_STA_ASSOC)) {
printf("Data frame from not associated STA %s\n",
ether_sprintf(src_addr));
/* XXX cannot happen */
return;
}
ieee802_1x_receive(hapd, src_addr, buf + sizeof(struct l2_ethhdr),
len - sizeof(struct l2_ethhdr));
}
#endif
static int rtl871x_send_eapol_ops(void *priv, const u8 *addr, const u8 *data, size_t data_len,
int encrypt, const u8 *own_addr, u32 flags)
{
struct rtl871x_driver_data *drv = priv;
unsigned char buf[3000];
unsigned char *bp = buf;
struct l2_ethhdr *eth;
size_t len;
int status;
printf("+rtl871x_send_eapol\n");
/*
* Prepend the Ethernet header. If the caller left us
* space at the front we could just insert it but since
* we don't know we copy to a local buffer. Given the frequency
* and size of frames this probably doesn't matter.
*/
len = data_len + sizeof(struct l2_ethhdr);
if (len > sizeof(buf)) {
bp = malloc(len);
if (bp == NULL) {
printf("EAPOL frame discarded, cannot malloc temp "
"buffer of size %lu!\n", (unsigned long) len);
return -1;
}
}
eth = (struct l2_ethhdr *) bp;
memcpy(eth->h_dest, addr, ETH_ALEN);
memcpy(eth->h_source, own_addr, ETH_ALEN);
eth->h_proto = htons(ETH_P_EAPOL);
memcpy(eth+1, data, data_len);
wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
status = l2_packet_send(drv->l2_sock, addr, ETH_P_EAPOL, bp, len);
if (bp != buf)
free(bp);
return status;
}
#ifndef CONFIG_MLME_OFFLOAD
static void rtl871x_receive_mgnt(struct rtl871x_driver_data *drv , const u8 *buf, size_t len)
{
const struct ieee80211_mgmt *mgmt;
//const u8 *end, *ie;
u16 fc, type, stype;
//size_t ie_len;
struct hostapd_data *hapd = drv->hapd;
//printf("+rtl871x_receive_mgnt, " MACSTR " is our address\n", MAC2STR(hapd->own_addr));
#if 0
{
int i;
for(i=0; i<len; i+=8)
{
printf("%x:%x:%x:%x:%x:%x:%x:%x\n", buf[i], buf[i+1], buf[i+2], buf[i+3], buf[i+4], buf[i+5], buf[i+6], buf[i+7]);
}
}
#endif
if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req))
return;
mgmt = (const struct ieee80211_mgmt *)buf;
fc = le_to_host16(mgmt->frame_control);
type = WLAN_FC_GET_TYPE(fc);
stype = WLAN_FC_GET_STYPE(fc);
#if 1
if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP)
{
//printf("MGNT Frame - PROBE_RESP Frame\n");
}
#endif
//end = buf + len;
//ie = mgmt->u.probe_req.variable;
//ie_len = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req));
//hostapd_wps_probe_req_rx(drv->hapd, mgmt->sa, ie, ie_len);
switch (type) {
case WLAN_FC_TYPE_MGMT:
if (stype != WLAN_FC_STYPE_BEACON)
wpa_printf(MSG_MSGDUMP, "MGMT");
if (stype == WLAN_FC_STYPE_PROBE_REQ)
{
}
else
{
//printf("rtl871x_receive_mgnt, type=0x%x, stype=0x%x\n", type, stype);
}
//ieee802_11_mgmt(hapd, (u8 *)buf, len, stype, NULL);
break;
case WLAN_FC_TYPE_CTRL:
printf("rtl871x_receive_mgnt, CTRL\n");
break;
case WLAN_FC_TYPE_DATA:
printf("rtl871x_receive_mgnt, DATA\n");
//handle_data(hapd, buf, data_len, stype);
break;
default:
printf("unknown frame type %d\n", type);
break;
}
}
#ifdef CONFIG_MGNT_L2SOCK
static void rtl871x_recvive_mgmt_frame(void *ctx, const u8 *src_addr, const u8 *buf,
size_t len)
{
struct rtl871x_driver_data *drv = ctx;
rtl871x_receive_mgnt(drv, buf, len);
}
#else
static void rtl871x_recvive_mgmt_frame(int sock, void *eloop_ctx, void *sock_ctx)
{
#if 0
int len;
unsigned char buf[1024];
struct hostapd_data *hapd = (struct hostapd_data *)eloop_ctx;
struct rtl871x_driver_data *drv = (struct rtl871x_driver_data *)hapd->drv_priv;
len = recv(sock, buf, sizeof(buf), 0);
if (len < 0) {
perror("recv");
return;
}
rtl871x_receive_mgnt(drv, buf, len);
#endif
}
static int rtl871x_mgnt_sock_init(struct rtl871x_driver_data *drv, const char *name)
{
int sock;
struct ifreq ifr;
struct sockaddr_ll addr;
sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
if (sock < 0) {
perror("socket[PF_PACKET,SOCK_RAW]");
return -1;
}
if (eloop_register_read_sock(sock, rtl871x_recvive_mgmt_frame, drv->hapd, NULL))
{
printf("Could not register read socket\n");
return -1;
}
memset(&ifr, 0, sizeof(ifr));
//snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%sap", drv->iface);
os_strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
if (ioctl(sock, SIOCGIFINDEX, &ifr) != 0) {
perror("ioctl(SIOCGIFINDEX)");
return -1;
}
//if (rtl871x_set_iface_flags(drv, 1)) {
// return -1;
//}
memset(&addr, 0, sizeof(addr));
addr.sll_family = AF_PACKET;
addr.sll_ifindex = ifr.ifr_ifindex;
wpa_printf(MSG_DEBUG, "Opening raw packet socket for ifindex %d",
addr.sll_ifindex);
if (bind(sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
perror("bind");
return -1;
}
memset(&ifr, 0, sizeof(ifr));
os_strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
if (ioctl(sock, SIOCGIFHWADDR, &ifr) != 0) {
perror("ioctl(SIOCGIFHWADDR)");
return -1;
}
if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) {
printf("Invalid HW-addr family 0x%04x\n",
ifr.ifr_hwaddr.sa_family);
return -1;
}
//memcpy(drv->hapd->own_addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
return sock;
}
#endif
#endif
static void rtl871x_handle_tx_callback(struct hostapd_data *hapd, u8 *buf, size_t len,
int ok)
{
#if 0
struct ieee80211_hdr *hdr;
u16 fc, type, stype;
struct sta_info *sta;
//printf("%s\n", __func__);
hdr = (struct ieee80211_hdr *) buf;
fc = le_to_host16(hdr->frame_control);
type = WLAN_FC_GET_TYPE(fc);
stype = WLAN_FC_GET_STYPE(fc);
switch (type) {
case WLAN_FC_TYPE_MGMT:
//printf("MGMT (TX callback) %s\n",
// ok ? "ACK" : "fail");
ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
break;
case WLAN_FC_TYPE_CTRL:
printf("CTRL (TX callback) %s\n",
ok ? "ACK" : "fail");
break;
case WLAN_FC_TYPE_DATA:
printf("DATA (TX callback) %s\n",
ok ? "ACK" : "fail");
sta = ap_get_sta(hapd, hdr->addr1);
if (sta && sta->flags & WLAN_STA_PENDING_POLL) {
wpa_printf(MSG_DEBUG, "STA " MACSTR
" %s pending activity poll",
MAC2STR(sta->addr),
ok ? "ACKed" : "did not ACK");
if (ok)
sta->flags &= ~WLAN_STA_PENDING_POLL;
}
if (sta)
ieee802_1x_tx_status(hapd, sta, buf, len, ok);
break;
default:
printf("unknown TX callback frame type %d\n", type);
break;
}
#endif
}
static int rtl871x_send_mgnt(struct rtl871x_driver_data *drv, const void *msg, size_t len)
{
int res=0;
return res;
}
static int rtl871x_send_mgmt_frame_ops(void *priv, const void *msg, size_t len,
int flags)
{
struct rtl871x_driver_data *drv = priv;
//struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)msg;
int res=0;
//printf("%s\n", __func__);
//hdr->frame_control |= host_to_le16(BIT(1));/* Request TX callback */
#ifdef CONFIG_MGNT_L2SOCK
//res = send(drv->mgnt_l2_sock, msg, len, flags);
//res = l2_packet_send(drv->mgnt_l2_sock, addr, ETH_P_EAPOL, msg, len);
if(drv->mgnt_l2_sock == NULL)
return res;
res = l2_packet_send(drv->mgnt_l2_sock, NULL, ETH_P_80211_RAW, msg, len);
#else
if(drv->mgnt_sock < 0)
return res;
res = send(drv->mgnt_sock, msg, len, flags);
#endif
//hdr->frame_control &= ~host_to_le16(BIT(1));
rtl871x_send_mgnt(drv, msg, len);
rtl871x_handle_tx_callback(drv->hapd, (u8*)msg, len, 1);
return res;
}