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/*
* Linux cfg80211 driver - Dongle Host Driver (DHD) related
*
* Copyright (C) 1999-2017, 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.
*
*
* <<Broadcom-WL-IPTag/Open:>>
*
* $Id: dhd_cfg80211.c 642340 2016-06-08 09:44:13Z $
*/
#include <linux/vmalloc.h>
#include <net/rtnetlink.h>
#include <bcmutils.h>
#include <wldev_common.h>
#include <wl_cfg80211.h>
#include <dhd_cfg80211.h>
#ifdef PKT_FILTER_SUPPORT
#include <dngl_stats.h>
#include <dhd.h>
#endif
#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 <brcm_nl80211.h>
#include <dhd_cfg80211.h>
static s32 wl_dongle_up(struct net_device *ndev);
static s32 wl_dongle_down(struct net_device *ndev);
/**
* 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)
{
struct net_device *ndev;
s32 err = 0;
WL_TRACE(("In\n"));
if (!dhd_dongle_up) {
WL_ERR(("Dongle is already down\n"));
return err;
}
ndev = bcmcfg_to_prmry_ndev(cfg);
wl_dongle_down(ndev);
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, char *dngl_name)
{
return dhd_allocate_if(cfg->pub, ifidx, name, mac, bssidx, FALSE, dngl_name);
}
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)
{
s32 err = 0;
u32 up = 0;
err = wldev_ioctl(ndev, WLC_UP, &up, sizeof(up), true);
if (unlikely(err)) {
WL_ERR(("WLC_UP error (%d)\n", err));
}
return err;
}
static s32
wl_dongle_down(struct net_device *ndev)
{
s32 err = 0;
u32 down = 0;
err = wldev_ioctl(ndev, WLC_DOWN, &down, sizeof(down), true);
if (unlikely(err)) {
WL_ERR(("WLC_DOWN 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);
if (unlikely(err)) {
WL_ERR(("wl_dongle_up failed\n"));
goto default_conf_out;
}
dhd_dongle_up = true;
default_conf_out:
return err;
}
int dhd_cfgvendor_priv_string_handler(struct bcm_cfg80211 *cfg, struct wireless_dev *wdev,
const struct bcm_nlmsg_hdr *nlioc, void *buf)
{
struct net_device *ndev = NULL;
dhd_pub_t *dhd;
dhd_ioctl_t ioc = { 0 };
int ret = 0;
int8 index;
WL_TRACE(("entry: cmd = %d\n", nlioc->cmd));
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);
}
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));
ret = BCME_ERROR;
goto done;
}
ioc.cmd = nlioc->cmd;
ioc.len = nlioc->len;
ioc.set = nlioc->set;
ioc.driver = nlioc->magic;
ret = dhd_ioctl_process(dhd, index, &ioc, buf);
if (ret) {
WL_TRACE(("dhd_ioctl_process return err %d\n", ret));
ret = OSL_ERROR(ret);
goto done;
}
done:
DHD_OS_WAKE_UNLOCK(dhd);
return ret;
}