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openrex-linux-3.14/drivers/net/wireless/bcmdhd/dhd_cfg80211.c
yourname da0cb0039d Initial version
2016-03-04 07:09:26 -08:00

302 lines
7.3 KiB
C
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/*
* Linux cfg80211 driver - Dongle Host Driver (DHD) related
*
* Copyright (C) 1999-2014, Broadcom Corporation
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2 (the "GPL"),
* available at http://www.broadcom.com/licenses/GPLv2.php, with the
* following added to such license:
*
* As a special exception, the copyright holders of this software give you
* permission to link this software with independent modules, and to copy and
* distribute the resulting executable under terms of your choice, provided that
* you also meet, for each linked independent module, the terms and conditions of
* the license of that module. An independent module is a module which is not
* derived from this software. The special exception does not apply to any
* modifications of the software.
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a license
* other than the GPL, without Broadcom's express prior written consent.
*
* $Id: wl_cfg80211.c,v 1.1.4.1.2.14 2011/02/09 01:40:07 Exp $
*/
#include <linux/vmalloc.h>
#include <net/rtnetlink.h>
#include <bcmutils.h>
#include <wldev_common.h>
#include <wl_cfg80211.h>
#include <brcm_nl80211.h>
#include <dhd_cfg80211.h>
#ifdef PKT_FILTER_SUPPORT
#include <dngl_stats.h>
#include <dhd.h>
#endif
extern struct bcm_cfg80211 *g_bcm_cfg;
#ifdef PKT_FILTER_SUPPORT
extern uint dhd_pkt_filter_enable;
extern uint dhd_master_mode;
extern void dhd_pktfilter_offload_enable(dhd_pub_t * dhd, char *arg, int enable, int master_mode);
#endif
static int dhd_dongle_up = FALSE;
#include <dngl_stats.h>
#include <dhd.h>
#include <dhdioctl.h>
#include <wlioctl.h>
#include <dhd_cfg80211.h>
static s32 wl_dongle_up(struct net_device *ndev, u32 up);
/**
* Function implementations
*/
s32 dhd_cfg80211_init(struct bcm_cfg80211 *cfg)
{
dhd_dongle_up = FALSE;
return 0;
}
s32 dhd_cfg80211_deinit(struct bcm_cfg80211 *cfg)
{
dhd_dongle_up = FALSE;
return 0;
}
s32 dhd_cfg80211_down(struct bcm_cfg80211 *cfg)
{
dhd_dongle_up = FALSE;
return 0;
}
s32 dhd_cfg80211_set_p2p_info(struct bcm_cfg80211 *cfg, int val)
{
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
dhd->op_mode |= val;
WL_ERR(("Set : op_mode=0x%04x\n", dhd->op_mode));
#ifdef ARP_OFFLOAD_SUPPORT
if (dhd->arp_version == 1) {
/* IF P2P is enabled, disable arpoe */
dhd_arp_offload_set(dhd, 0);
dhd_arp_offload_enable(dhd, false);
}
#endif /* ARP_OFFLOAD_SUPPORT */
return 0;
}
s32 dhd_cfg80211_clean_p2p_info(struct bcm_cfg80211 *cfg)
{
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
dhd->op_mode &= ~(DHD_FLAG_P2P_GC_MODE | DHD_FLAG_P2P_GO_MODE);
WL_ERR(("Clean : op_mode=0x%04x\n", dhd->op_mode));
#ifdef ARP_OFFLOAD_SUPPORT
if (dhd->arp_version == 1) {
/* IF P2P is disabled, enable arpoe back for STA mode. */
dhd_arp_offload_set(dhd, dhd_arp_mode);
dhd_arp_offload_enable(dhd, true);
}
#endif /* ARP_OFFLOAD_SUPPORT */
return 0;
}
struct net_device* wl_cfg80211_allocate_if(struct bcm_cfg80211 *cfg, int ifidx, char *name,
uint8 *mac, uint8 bssidx)
{
return dhd_allocate_if(cfg->pub, ifidx, name, mac, bssidx, FALSE);
}
int wl_cfg80211_register_if(struct bcm_cfg80211 *cfg, int ifidx, struct net_device* ndev)
{
return dhd_register_if(cfg->pub, ifidx, FALSE);
}
int wl_cfg80211_remove_if(struct bcm_cfg80211 *cfg, int ifidx, struct net_device* ndev)
{
return dhd_remove_if(cfg->pub, ifidx, FALSE);
}
struct net_device * dhd_cfg80211_netdev_free(struct net_device *ndev)
{
if (ndev) {
if (ndev->ieee80211_ptr) {
kfree(ndev->ieee80211_ptr);
ndev->ieee80211_ptr = NULL;
}
free_netdev(ndev);
return NULL;
}
return ndev;
}
void dhd_netdev_free(struct net_device *ndev)
{
#ifdef WL_CFG80211
ndev = dhd_cfg80211_netdev_free(ndev);
#endif
if (ndev)
free_netdev(ndev);
}
static s32 wl_dongle_up(struct net_device *ndev, u32 up)
{
s32 err = 0;
err = wldev_ioctl(ndev, WLC_UP, &up, sizeof(up), true);
if (unlikely(err)) {
WL_ERR(("WLC_UP error (%d)\n", err));
}
return err;
}
s32 dhd_config_dongle(struct bcm_cfg80211 *cfg)
{
#ifndef DHD_SDALIGN
#define DHD_SDALIGN 32
#endif
struct net_device *ndev;
s32 err = 0;
WL_TRACE(("In\n"));
if (dhd_dongle_up) {
WL_ERR(("Dongle is already up\n"));
return err;
}
ndev = bcmcfg_to_prmry_ndev(cfg);
err = wl_dongle_up(ndev, 0);
if (unlikely(err)) {
WL_ERR(("wl_dongle_up failed\n"));
goto default_conf_out;
}
dhd_dongle_up = true;
default_conf_out:
return err;
}
#ifdef CONFIG_NL80211_TESTMODE
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
int dhd_cfg80211_testmode_cmd(struct wiphy *wiphy, struct wireless_dev *wdev, void *data, int len)
#else
int dhd_cfg80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0) */
{
struct sk_buff *reply;
struct bcm_cfg80211 *cfg;
dhd_pub_t *dhd;
struct bcm_nlmsg_hdr *nlioc = data;
dhd_ioctl_t ioc = { 0 };
int err = 0;
void *buf = NULL, *cur;
u16 buflen;
u16 maxmsglen = PAGE_SIZE - 0x100;
bool newbuf = false;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
int8 index = 0;
struct net_device *ndev = NULL;
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0) */
WL_TRACE(("entry: cmd = %d\n", nlioc->cmd));
cfg = wiphy_priv(wiphy);
dhd = cfg->pub;
DHD_OS_WAKE_LOCK(dhd);
/* send to dongle only if we are not waiting for reload already */
if (dhd->hang_was_sent) {
WL_ERR(("HANG was sent up earlier\n"));
DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_ENABLE(dhd, DHD_EVENT_TIMEOUT_MS);
DHD_OS_WAKE_UNLOCK(dhd);
return OSL_ERROR(BCME_DONGLE_DOWN);
}
len -= sizeof(struct bcm_nlmsg_hdr);
if (nlioc->len > 0) {
if (nlioc->len <= len) {
buf = (void *)nlioc + nlioc->offset;
*(char *)(buf + nlioc->len) = '\0';
} else {
if (nlioc->len > DHD_IOCTL_MAXLEN)
nlioc->len = DHD_IOCTL_MAXLEN;
buf = vzalloc(nlioc->len);
if (!buf)
return -ENOMEM;
newbuf = true;
memcpy(buf, (void *)nlioc + nlioc->offset, len);
*(char *)(buf + len) = '\0';
}
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
ndev = wdev_to_wlc_ndev(wdev, cfg);
index = dhd_net2idx(dhd->info, ndev);
if (index == DHD_BAD_IF) {
WL_ERR(("Bad ifidx from wdev:%p\n", wdev));
return BCME_ERROR;
}
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0) */
ioc.cmd = nlioc->cmd;
ioc.len = nlioc->len;
ioc.set = nlioc->set;
ioc.driver = nlioc->magic;
err = dhd_ioctl_process(dhd, 0, &ioc, buf);
if (err) {
WL_TRACE(("dhd_ioctl_process return err %d\n", err));
err = OSL_ERROR(err);
goto done;
}
cur = buf;
while (nlioc->len > 0) {
buflen = nlioc->len > maxmsglen ? maxmsglen : nlioc->len;
nlioc->len -= buflen;
reply = cfg80211_testmode_alloc_reply_skb(wiphy, buflen+4);
if (!reply) {
WL_ERR(("Failed to allocate reply msg\n"));
err = -ENOMEM;
break;
}
if (nla_put(reply, BCM_NLATTR_DATA, buflen, cur) ||
nla_put_u16(reply, BCM_NLATTR_LEN, buflen)) {
kfree_skb(reply);
err = -ENOBUFS;
break;
}
do {
err = cfg80211_testmode_reply(reply);
} while (err == -EAGAIN);
if (err) {
WL_ERR(("testmode reply failed:%d\n", err));
break;
}
cur += buflen;
}
done:
if (newbuf)
vfree(buf);
DHD_OS_WAKE_UNLOCK(dhd);
return err;
}
#endif /* CONFIG_NL80211_TESTMODE */
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