[GitHub/LineageOS/android_kernel_samsung_universal7580.git] / drivers / net / wireless / bcmdhd_1_77 / dhd_cfg80211.c

/*
 * Linux cfg80211 driver - Dongle Host Driver (DHD) related
 *
 * Copyright (C) 1999-2018, 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 699163 2017-05-12 05:18:23Z $
 */

#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, const char *name,
	uint8 *mac, uint8 bssidx, const 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, bool rtnl_lock_reqd)
{
	return dhd_register_if(cfg->pub, ifidx, rtnl_lock_reqd);
}

int wl_cfg80211_remove_if(struct bcm_cfg80211 *cfg,
	int ifidx, struct net_device* ndev, bool rtnl_lock_reqd)
{
	return dhd_remove_if(cfg->pub, ifidx, rtnl_lock_reqd);
}

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 local_up = 0;

	err = wldev_ioctl_set(ndev, WLC_UP, &local_up, sizeof(local_up));
	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 local_down = 0;

	err = wldev_ioctl_set(ndev, WLC_DOWN, &local_down, sizeof(local_down));
	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, NULL, 0, 0, 0, 0, 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;
	ioc.buf = buf;
	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;
}
Commit	Line	Data
3c2a0909 S	1	/*
	2	* Linux cfg80211 driver - Dongle Host Driver (DHD) related
	3	*
4c205efb	4	* Copyright (C) 1999-2018, Broadcom Corporation
3c2a0909 S	5	*
	6	* Unless you and Broadcom execute a separate written software license
	7	* agreement governing use of this software, this software is licensed to you
	8	* under the terms of the GNU General Public License version 2 (the "GPL"),
	9	* available at http://www.broadcom.com/licenses/GPLv2.php, with the
	10	* following added to such license:
	11	*
	12	* As a special exception, the copyright holders of this software give you
	13	* permission to link this software with independent modules, and to copy and
	14	* distribute the resulting executable under terms of your choice, provided that
	15	* you also meet, for each linked independent module, the terms and conditions of
	16	* the license of that module. An independent module is a module which is not
	17	* derived from this software. The special exception does not apply to any
	18	* modifications of the software.
	19	*
	20	* Notwithstanding the above, under no circumstances may you combine this
	21	* software in any way with any other Broadcom software provided under a license
	22	* other than the GPL, without Broadcom's express prior written consent.
	23	*
	24	*
	25	* <<Broadcom-WL-IPTag/Open:>>
	26	*
4c205efb	27	* $Id: dhd_cfg80211.c 699163 2017-05-12 05:18:23Z $
3c2a0909 S	28	*/
	29
	30	#include <linux/vmalloc.h>
	31	#include <net/rtnetlink.h>
	32
	33	#include <bcmutils.h>
	34	#include <wldev_common.h>
	35	#include <wl_cfg80211.h>
	36	#include <dhd_cfg80211.h>
	37
	38	#ifdef PKT_FILTER_SUPPORT
	39	#include <dngl_stats.h>
	40	#include <dhd.h>
	41	#endif
	42
	43	#ifdef PKT_FILTER_SUPPORT
	44	extern uint dhd_pkt_filter_enable;
	45	extern uint dhd_master_mode;
	46	extern void dhd_pktfilter_offload_enable(dhd_pub_t * dhd, char *arg, int enable, int master_mode);
	47	#endif
	48
	49	static int dhd_dongle_up = FALSE;
	50
	51	#include <dngl_stats.h>
	52	#include <dhd.h>
	53	#include <dhdioctl.h>
	54	#include <wlioctl.h>
	55	#include <brcm_nl80211.h>
	56	#include <dhd_cfg80211.h>
	57
	58	static s32 wl_dongle_up(struct net_device *ndev);
	59	static s32 wl_dongle_down(struct net_device *ndev);
	60
	61	/**
	62	* Function implementations
	63	*/
	64
	65	s32 dhd_cfg80211_init(struct bcm_cfg80211 *cfg)
	66	{
	67	dhd_dongle_up = FALSE;
	68	return 0;
	69	}
	70
	71	s32 dhd_cfg80211_deinit(struct bcm_cfg80211 *cfg)
	72	{
	73	dhd_dongle_up = FALSE;
	74	return 0;
	75	}
	76
	77	s32 dhd_cfg80211_down(struct bcm_cfg80211 *cfg)
	78	{
	79	struct net_device *ndev;
	80	s32 err = 0;
	81
	82	WL_TRACE(("In\n"));
	83	if (!dhd_dongle_up) {
	84	WL_ERR(("Dongle is already down\n"));
	85	return err;
	86	}
	87
	88	ndev = bcmcfg_to_prmry_ndev(cfg);
	89	wl_dongle_down(ndev);
	90	dhd_dongle_up = FALSE;
	91	return 0;
92	}
93
94	s32 dhd_cfg80211_set_p2p_info(struct bcm_cfg80211 *cfg, int val)
95	{
96	dhd_pub_t dhd = (dhd_pub_t )(cfg->pub);
97	dhd->op_mode \|= val;
98	WL_ERR(("Set : op_mode=0x%04x\n", dhd->op_mode));
99	#ifdef ARP_OFFLOAD_SUPPORT
100	if (dhd->arp_version == 1) {
101	/* IF P2P is enabled, disable arpoe */
102	dhd_arp_offload_set(dhd, 0);
103	dhd_arp_offload_enable(dhd, false);
104	}
105	#endif /* ARP_OFFLOAD_SUPPORT */
106
107	return 0;
108	}
109
110	s32 dhd_cfg80211_clean_p2p_info(struct bcm_cfg80211 *cfg)
111	{
112	dhd_pub_t dhd = (dhd_pub_t )(cfg->pub);
113	dhd->op_mode &= ~(DHD_FLAG_P2P_GC_MODE \| DHD_FLAG_P2P_GO_MODE);
114	WL_ERR(("Clean : op_mode=0x%04x\n", dhd->op_mode));
115
116	#ifdef ARP_OFFLOAD_SUPPORT
117	if (dhd->arp_version == 1) {
118	/* IF P2P is disabled, enable arpoe back for STA mode. */
119	dhd_arp_offload_set(dhd, dhd_arp_mode);
120	dhd_arp_offload_enable(dhd, true);
121	}
122	#endif /* ARP_OFFLOAD_SUPPORT */
123
124	return 0;
125	}
126
127	struct net_device* wl_cfg80211_allocate_if(struct bcm_cfg80211 cfg, int ifidx, const char name,
128	uint8 mac, uint8 bssidx, const char dngl_name)
129	{
130	return dhd_allocate_if(cfg->pub, ifidx, name, mac, bssidx, FALSE, dngl_name);
131	}
132
133	int wl_cfg80211_register_if(struct bcm_cfg80211 *cfg,
134	int ifidx, struct net_device* ndev, bool rtnl_lock_reqd)
135	{
136	return dhd_register_if(cfg->pub, ifidx, rtnl_lock_reqd);
137	}
138
139	int wl_cfg80211_remove_if(struct bcm_cfg80211 *cfg,
140	int ifidx, struct net_device* ndev, bool rtnl_lock_reqd)
141	{
142	return dhd_remove_if(cfg->pub, ifidx, rtnl_lock_reqd);
143	}
144
145	struct net_device * dhd_cfg80211_netdev_free(struct net_device *ndev)
146	{
147	if (ndev) {
148	if (ndev->ieee80211_ptr) {
149	kfree(ndev->ieee80211_ptr);
150	ndev->ieee80211_ptr = NULL;
151	}
152	free_netdev(ndev);
153	return NULL;
154	}
155
156	return ndev;
157	}
158
159	void dhd_netdev_free(struct net_device *ndev)
160	{
161	#ifdef WL_CFG80211
162	ndev = dhd_cfg80211_netdev_free(ndev);
163	#endif
164	if (ndev)
165	free_netdev(ndev);
166	}
167
168	static s32
169	wl_dongle_up(struct net_device *ndev)
170	{
171	s32 err = 0;
172	u32 local_up = 0;
173
4c205efb	174	err = wldev_ioctl_set(ndev, WLC_UP, &local_up, sizeof(local_up));
3c2a0909 S	175	if (unlikely(err)) {
	176	WL_ERR(("WLC_UP error (%d)\n", err));
	177	}
	178	return err;
	179	}
	180
	181	static s32
	182	wl_dongle_down(struct net_device *ndev)
	183	{
	184	s32 err = 0;
	185	u32 local_down = 0;
	186
4c205efb	187	err = wldev_ioctl_set(ndev, WLC_DOWN, &local_down, sizeof(local_down));
3c2a0909 S	188	if (unlikely(err)) {
	189	WL_ERR(("WLC_DOWN error (%d)\n", err));
	190	}
	191	return err;
	192	}
	193
	194
	195	s32 dhd_config_dongle(struct bcm_cfg80211 *cfg)
	196	{
	197	#ifndef DHD_SDALIGN
	198	#define DHD_SDALIGN 32
	199	#endif
	200	struct net_device *ndev;
	201	s32 err = 0;
	202
	203	WL_TRACE(("In\n"));
	204	if (dhd_dongle_up) {
	205	WL_ERR(("Dongle is already up\n"));
	206	return err;
	207	}
	208
	209	ndev = bcmcfg_to_prmry_ndev(cfg);
	210
	211	err = wl_dongle_up(ndev);
	212	if (unlikely(err)) {
	213	WL_ERR(("wl_dongle_up failed\n"));
	214	goto default_conf_out;
	215	}
	216	dhd_dongle_up = true;
	217
	218	default_conf_out:
	219
	220	return err;
	221
	222	}
	223
	224	int dhd_cfgvendor_priv_string_handler(struct bcm_cfg80211 cfg, struct wireless_dev wdev,
	225	const struct bcm_nlmsg_hdr nlioc, void buf)
	226	{
	227	struct net_device *ndev = NULL;
	228	dhd_pub_t *dhd;
	229	dhd_ioctl_t ioc = { 0, NULL, 0, 0, 0, 0, 0};
	230	int ret = 0;
	231	int8 index;
	232
	233	WL_TRACE(("entry: cmd = %d\n", nlioc->cmd));
	234
	235	dhd = cfg->pub;
	236	DHD_OS_WAKE_LOCK(dhd);
	237
	238	/* send to dongle only if we are not waiting for reload already */
	239	if (dhd->hang_was_sent) {
	240	WL_ERR(("HANG was sent up earlier\n"));
	241	DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_ENABLE(dhd, DHD_EVENT_TIMEOUT_MS);
	242	DHD_OS_WAKE_UNLOCK(dhd);
	243	return OSL_ERROR(BCME_DONGLE_DOWN);
	244	}
	245
	246	ndev = wdev_to_wlc_ndev(wdev, cfg);
	247	index = dhd_net2idx(dhd->info, ndev);
	248	if (index == DHD_BAD_IF) {
	249	WL_ERR(("Bad ifidx from wdev:%p\n", wdev));
	250	ret = BCME_ERROR;
	251	goto done;
252	}
253
254	ioc.cmd = nlioc->cmd;
255	ioc.len = nlioc->len;
256	ioc.set = nlioc->set;
257	ioc.driver = nlioc->magic;
258	ioc.buf = buf;
259	ret = dhd_ioctl_process(dhd, index, &ioc, buf);
260	if (ret) {
261	WL_TRACE(("dhd_ioctl_process return err %d\n", ret));
262	ret = OSL_ERROR(ret);
263	goto done;
264	}
265
266	done:
267	DHD_OS_WAKE_UNLOCK(dhd);
268	return ret;
269	}