[deliverable/linux.git] / drivers / net / wireless / brcm80211 / brcmfmac / fwil.c

/*
 * Copyright (c) 2012 Broadcom Corporation
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

/* FWIL is the Firmware Interface Layer. In this module the support functions
 * are located to set and get variables to and from the firmware.
 */

#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <brcmu_utils.h>
#include <brcmu_wifi.h>
#include "dhd.h"
#include "dhd_bus.h"
#include "dhd_dbg.h"
#include "tracepoint.h"
#include "fwil.h"


#define MAX_HEX_DUMP_LEN	64


static s32
brcmf_fil_cmd_data(struct brcmf_if *ifp, u32 cmd, void *data, u32 len, bool set)
{
	struct brcmf_pub *drvr = ifp->drvr;
	s32 err;

	if (drvr->bus_if->state != BRCMF_BUS_DATA) {
		brcmf_err("bus is down. we have nothing to do.\n");
		return -EIO;
	}

	if (data != NULL)
		len = min_t(uint, len, BRCMF_DCMD_MAXLEN);
	if (set)
		err = brcmf_proto_cdc_set_dcmd(drvr, ifp->ifidx, cmd, data,
					       len);
	else
		err = brcmf_proto_cdc_query_dcmd(drvr, ifp->ifidx, cmd, data,
						 len);

	if (err >= 0)
		err = 0;
	else
		brcmf_err("Failed err=%d\n", err);

	return err;
}

s32
brcmf_fil_cmd_data_set(struct brcmf_if *ifp, u32 cmd, void *data, u32 len)
{
	s32 err;

	mutex_lock(&ifp->drvr->proto_block);

	brcmf_dbg(FIL, "cmd=%d, len=%d\n", cmd, len);
	brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
			   min_t(uint, len, MAX_HEX_DUMP_LEN), "data");

	err = brcmf_fil_cmd_data(ifp, cmd, data, len, true);
	mutex_unlock(&ifp->drvr->proto_block);

	return err;
}

s32
brcmf_fil_cmd_data_get(struct brcmf_if *ifp, u32 cmd, void *data, u32 len)
{
	s32 err;

	mutex_lock(&ifp->drvr->proto_block);
	err = brcmf_fil_cmd_data(ifp, cmd, data, len, false);

	brcmf_dbg(FIL, "cmd=%d, len=%d\n", cmd, len);
	brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
			   min_t(uint, len, MAX_HEX_DUMP_LEN), "data");

	mutex_unlock(&ifp->drvr->proto_block);

	return err;
}


s32
brcmf_fil_cmd_int_set(struct brcmf_if *ifp, u32 cmd, u32 data)
{
	s32 err;
	__le32 data_le = cpu_to_le32(data);

	mutex_lock(&ifp->drvr->proto_block);
	brcmf_dbg(FIL, "cmd=%d, value=%d\n", cmd, data);
	err = brcmf_fil_cmd_data(ifp, cmd, &data_le, sizeof(data_le), true);
	mutex_unlock(&ifp->drvr->proto_block);

	return err;
}

s32
brcmf_fil_cmd_int_get(struct brcmf_if *ifp, u32 cmd, u32 *data)
{
	s32 err;
	__le32 data_le = cpu_to_le32(*data);

	mutex_lock(&ifp->drvr->proto_block);
	err = brcmf_fil_cmd_data(ifp, cmd, &data_le, sizeof(data_le), false);
	mutex_unlock(&ifp->drvr->proto_block);
	*data = le32_to_cpu(data_le);
	brcmf_dbg(FIL, "cmd=%d, value=%d\n", cmd, *data);

	return err;
}

static u32
brcmf_create_iovar(char *name, char *data, u32 datalen, char *buf, u32 buflen)
{
	u32 len;

	len = strlen(name) + 1;

	if ((len + datalen) > buflen)
		return 0;

	memcpy(buf, name, len);

	/* append data onto the end of the name string */
	if (data && datalen)
		memcpy(&buf[len], data, datalen);

	return len + datalen;
}


s32
brcmf_fil_iovar_data_set(struct brcmf_if *ifp, char *name, void *data,
			 u32 len)
{
	struct brcmf_pub *drvr = ifp->drvr;
	s32 err;
	u32 buflen;

	mutex_lock(&drvr->proto_block);

	brcmf_dbg(FIL, "name=%s, len=%d\n", name, len);
	brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
			   min_t(uint, len, MAX_HEX_DUMP_LEN), "data");

	buflen = brcmf_create_iovar(name, data, len, drvr->proto_buf,
				    sizeof(drvr->proto_buf));
	if (buflen) {
		err = brcmf_fil_cmd_data(ifp, BRCMF_C_SET_VAR, drvr->proto_buf,
					 buflen, true);
	} else {
		err = -EPERM;
		brcmf_err("Creating iovar failed\n");
	}

	mutex_unlock(&drvr->proto_block);
	return err;
}

s32
brcmf_fil_iovar_data_get(struct brcmf_if *ifp, char *name, void *data,
			 u32 len)
{
	struct brcmf_pub *drvr = ifp->drvr;
	s32 err;
	u32 buflen;

	mutex_lock(&drvr->proto_block);

	buflen = brcmf_create_iovar(name, data, len, drvr->proto_buf,
				    sizeof(drvr->proto_buf));
	if (buflen) {
		err = brcmf_fil_cmd_data(ifp, BRCMF_C_GET_VAR, drvr->proto_buf,
					 buflen, false);
		if (err == 0)
			memcpy(data, drvr->proto_buf, len);
	} else {
		err = -EPERM;
		brcmf_err("Creating iovar failed\n");
	}

	brcmf_dbg(FIL, "name=%s, len=%d\n", name, len);
	brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
			   min_t(uint, len, MAX_HEX_DUMP_LEN), "data");

	mutex_unlock(&drvr->proto_block);
	return err;
}

s32
brcmf_fil_iovar_int_set(struct brcmf_if *ifp, char *name, u32 data)
{
	__le32 data_le = cpu_to_le32(data);

	return brcmf_fil_iovar_data_set(ifp, name, &data_le, sizeof(data_le));
}

s32
brcmf_fil_iovar_int_get(struct brcmf_if *ifp, char *name, u32 *data)
{
	__le32 data_le = cpu_to_le32(*data);
	s32 err;

	err = brcmf_fil_iovar_data_get(ifp, name, &data_le, sizeof(data_le));
	if (err == 0)
		*data = le32_to_cpu(data_le);
	return err;
}

static u32
brcmf_create_bsscfg(s32 bssidx, char *name, char *data, u32 datalen, char *buf,
		    u32 buflen)
{
	const s8 *prefix = "bsscfg:";
	s8 *p;
	u32 prefixlen;
	u32 namelen;
	u32 iolen;
	__le32 bssidx_le;

	if (bssidx == 0)
		return brcmf_create_iovar(name, data, datalen, buf, buflen);

	prefixlen = strlen(prefix);
	namelen = strlen(name) + 1; /* lengh of iovar  name + null */
	iolen = prefixlen + namelen + sizeof(bssidx_le) + datalen;

	if (buflen < iolen) {
		brcmf_err("buffer is too short\n");
		return 0;
	}

	p = buf;

	/* copy prefix, no null */
	memcpy(p, prefix, prefixlen);
	p += prefixlen;

	/* copy iovar name including null */
	memcpy(p, name, namelen);
	p += namelen;

	/* bss config index as first data */
	bssidx_le = cpu_to_le32(bssidx);
	memcpy(p, &bssidx_le, sizeof(bssidx_le));
	p += sizeof(bssidx_le);

	/* parameter buffer follows */
	if (datalen)
		memcpy(p, data, datalen);

	return iolen;
}

s32
brcmf_fil_bsscfg_data_set(struct brcmf_if *ifp, char *name,
			  void *data, u32 len)
{
	struct brcmf_pub *drvr = ifp->drvr;
	s32 err;
	u32 buflen;

	mutex_lock(&drvr->proto_block);

	brcmf_dbg(FIL, "bssidx=%d, name=%s, len=%d\n", ifp->bssidx, name, len);
	brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
			   min_t(uint, len, MAX_HEX_DUMP_LEN), "data");

	buflen = brcmf_create_bsscfg(ifp->bssidx, name, data, len,
				     drvr->proto_buf, sizeof(drvr->proto_buf));
	if (buflen) {
		err = brcmf_fil_cmd_data(ifp, BRCMF_C_SET_VAR, drvr->proto_buf,
					 buflen, true);
	} else {
		err = -EPERM;
		brcmf_err("Creating bsscfg failed\n");
	}

	mutex_unlock(&drvr->proto_block);
	return err;
}

s32
brcmf_fil_bsscfg_data_get(struct brcmf_if *ifp, char *name,
			  void *data, u32 len)
{
	struct brcmf_pub *drvr = ifp->drvr;
	s32 err;
	u32 buflen;

	mutex_lock(&drvr->proto_block);

	buflen = brcmf_create_bsscfg(ifp->bssidx, name, data, len,
				     drvr->proto_buf, sizeof(drvr->proto_buf));
	if (buflen) {
		err = brcmf_fil_cmd_data(ifp, BRCMF_C_GET_VAR, drvr->proto_buf,
					 buflen, false);
		if (err == 0)
			memcpy(data, drvr->proto_buf, len);
	} else {
		err = -EPERM;
		brcmf_err("Creating bsscfg failed\n");
	}
	brcmf_dbg(FIL, "bssidx=%d, name=%s, len=%d\n", ifp->bssidx, name, len);
	brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
			   min_t(uint, len, MAX_HEX_DUMP_LEN), "data");

	mutex_unlock(&drvr->proto_block);
	return err;

}

s32
brcmf_fil_bsscfg_int_set(struct brcmf_if *ifp, char *name, u32 data)
{
	__le32 data_le = cpu_to_le32(data);

	return brcmf_fil_bsscfg_data_set(ifp, name, &data_le,
					 sizeof(data_le));
}

s32
brcmf_fil_bsscfg_int_get(struct brcmf_if *ifp, char *name, u32 *data)
{
	__le32 data_le = cpu_to_le32(*data);
	s32 err;

	err = brcmf_fil_bsscfg_data_get(ifp, name, &data_le,
					sizeof(data_le));
	if (err == 0)
		*data = le32_to_cpu(data_le);
	return err;
}
Commit	Line	Data
81f5dcb8 HM	1	/*
	2	* Copyright (c) 2012 Broadcom Corporation
	3	*
	4	* Permission to use, copy, modify, and/or distribute this software for any
	5	* purpose with or without fee is hereby granted, provided that the above
	6	* copyright notice and this permission notice appear in all copies.
	7	*
	8	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	9	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	10	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
	11	* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	12	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
	13	* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
	14	* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	15	*/
	16
	17	/* FWIL is the Firmware Interface Layer. In this module the support functions
	18	* are located to set and get variables to and from the firmware.
	19	*/
	20
	21	#include <linux/kernel.h>
	22	#include <linux/netdevice.h>
81f5dcb8 HM	23	#include <brcmu_utils.h>
	24	#include <brcmu_wifi.h>
	25	#include "dhd.h"
	26	#include "dhd_bus.h"
	27	#include "dhd_dbg.h"
40c1c249	28	#include "tracepoint.h"
ec5a07d5	29	#include "fwil.h"
81f5dcb8 HM	30
81f5dcb8 HM	31
5a7a59d2 HM	32	#define MAX_HEX_DUMP_LEN 64
	33
	34
81f5dcb8 HM	35	static s32
	36	brcmf_fil_cmd_data(struct brcmf_if ifp, u32 cmd, void data, u32 len, bool set)
	37	{
	38	struct brcmf_pub *drvr = ifp->drvr;
	39	s32 err;
	40
6034d0a1	41	if (drvr->bus_if->state != BRCMF_BUS_DATA) {
5e8149f5	42	brcmf_err("bus is down. we have nothing to do.\n");
81f5dcb8 HM	43	return -EIO;
	44	}
	45
	46	if (data != NULL)
	47	len = min_t(uint, len, BRCMF_DCMD_MAXLEN);
	48	if (set)
2880b868 HM	49	err = brcmf_proto_cdc_set_dcmd(drvr, ifp->ifidx, cmd, data,
2880b868 HM	50	len);
81f5dcb8	51	else
2880b868	52	err = brcmf_proto_cdc_query_dcmd(drvr, ifp->ifidx, cmd, data,
81f5dcb8 HM	53	len);
	54
	55	if (err >= 0)
	56	err = 0;
	57	else
5e8149f5	58	brcmf_err("Failed err=%d\n", err);
81f5dcb8 HM	59
	60	return err;
	61	}
	62
	63	s32
ac24be6f	64	brcmf_fil_cmd_data_set(struct brcmf_if ifp, u32 cmd, void data, u32 len)
81f5dcb8	65	{
81f5dcb8 HM	66	s32 err;
	67
	68	mutex_lock(&ifp->drvr->proto_block);
	69
	70	brcmf_dbg(FIL, "cmd=%d, len=%d\n", cmd, len);
5a7a59d2 HM	71	brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
5a7a59d2 HM	72	min_t(uint, len, MAX_HEX_DUMP_LEN), "data");
81f5dcb8 HM	73
	74	err = brcmf_fil_cmd_data(ifp, cmd, data, len, true);
	75	mutex_unlock(&ifp->drvr->proto_block);
	76
	77	return err;
	78	}
	79
	80	s32
ac24be6f	81	brcmf_fil_cmd_data_get(struct brcmf_if ifp, u32 cmd, void data, u32 len)
81f5dcb8	82	{
81f5dcb8 HM	83	s32 err;
	84
	85	mutex_lock(&ifp->drvr->proto_block);
	86	err = brcmf_fil_cmd_data(ifp, cmd, data, len, false);
	87
	88	brcmf_dbg(FIL, "cmd=%d, len=%d\n", cmd, len);
5a7a59d2 HM	89	brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
5a7a59d2 HM	90	min_t(uint, len, MAX_HEX_DUMP_LEN), "data");
81f5dcb8 HM	91
	92	mutex_unlock(&ifp->drvr->proto_block);
	93
	94	return err;
	95	}
	96
	97
	98	s32
ac24be6f	99	brcmf_fil_cmd_int_set(struct brcmf_if *ifp, u32 cmd, u32 data)
81f5dcb8	100	{
81f5dcb8 HM	101	s32 err;
	102	__le32 data_le = cpu_to_le32(data);
	103
	104	mutex_lock(&ifp->drvr->proto_block);
659c84ff	105	brcmf_dbg(FIL, "cmd=%d, value=%d\n", cmd, data);
81f5dcb8 HM	106	err = brcmf_fil_cmd_data(ifp, cmd, &data_le, sizeof(data_le), true);
	107	mutex_unlock(&ifp->drvr->proto_block);
	108
	109	return err;
	110	}
	111
	112	s32
ac24be6f	113	brcmf_fil_cmd_int_get(struct brcmf_if ifp, u32 cmd, u32 data)
81f5dcb8	114	{
81f5dcb8 HM	115	s32 err;
	116	__le32 data_le = cpu_to_le32(*data);
	117
	118	mutex_lock(&ifp->drvr->proto_block);
	119	err = brcmf_fil_cmd_data(ifp, cmd, &data_le, sizeof(data_le), false);
	120	mutex_unlock(&ifp->drvr->proto_block);
	121	*data = le32_to_cpu(data_le);
659c84ff	122	brcmf_dbg(FIL, "cmd=%d, value=%d\n", cmd, *data);
81f5dcb8 HM	123
	124	return err;
	125	}
	126
	127	static u32
	128	brcmf_create_iovar(char name, char data, u32 datalen, char *buf, u32 buflen)
	129	{
	130	u32 len;
	131
	132	len = strlen(name) + 1;
	133
	134	if ((len + datalen) > buflen)
	135	return 0;
	136
	137	memcpy(buf, name, len);
	138
	139	/* append data onto the end of the name string */
	140	if (data && datalen)
	141	memcpy(&buf[len], data, datalen);
	142
	143	return len + datalen;
	144	}
	145
	146
	147	s32
ac24be6f	148	brcmf_fil_iovar_data_set(struct brcmf_if ifp, char name, void *data,
81f5dcb8 HM	149	u32 len)
81f5dcb8 HM	150	{
81f5dcb8 HM	151	struct brcmf_pub *drvr = ifp->drvr;
	152	s32 err;
	153	u32 buflen;
	154
	155	mutex_lock(&drvr->proto_block);
	156
	157	brcmf_dbg(FIL, "name=%s, len=%d\n", name, len);
5a7a59d2 HM	158	brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
5a7a59d2 HM	159	min_t(uint, len, MAX_HEX_DUMP_LEN), "data");
81f5dcb8 HM	160
	161	buflen = brcmf_create_iovar(name, data, len, drvr->proto_buf,
	162	sizeof(drvr->proto_buf));
	163	if (buflen) {
	164	err = brcmf_fil_cmd_data(ifp, BRCMF_C_SET_VAR, drvr->proto_buf,
	165	buflen, true);
	166	} else {
	167	err = -EPERM;
5e8149f5	168	brcmf_err("Creating iovar failed\n");
81f5dcb8 HM	169	}
	170
	171	mutex_unlock(&drvr->proto_block);
	172	return err;
	173	}
	174
	175	s32
ac24be6f	176	brcmf_fil_iovar_data_get(struct brcmf_if ifp, char name, void *data,
81f5dcb8 HM	177	u32 len)
81f5dcb8 HM	178	{
81f5dcb8 HM	179	struct brcmf_pub *drvr = ifp->drvr;
	180	s32 err;
	181	u32 buflen;
	182
	183	mutex_lock(&drvr->proto_block);
	184
	185	buflen = brcmf_create_iovar(name, data, len, drvr->proto_buf,
	186	sizeof(drvr->proto_buf));
	187	if (buflen) {
	188	err = brcmf_fil_cmd_data(ifp, BRCMF_C_GET_VAR, drvr->proto_buf,
	189	buflen, false);
	190	if (err == 0)
	191	memcpy(data, drvr->proto_buf, len);
	192	} else {
	193	err = -EPERM;
5e8149f5	194	brcmf_err("Creating iovar failed\n");
81f5dcb8 HM	195	}
	196
	197	brcmf_dbg(FIL, "name=%s, len=%d\n", name, len);
5a7a59d2 HM	198	brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
5a7a59d2 HM	199	min_t(uint, len, MAX_HEX_DUMP_LEN), "data");
81f5dcb8 HM	200
	201	mutex_unlock(&drvr->proto_block);
	202	return err;
	203	}
	204
	205	s32
ac24be6f	206	brcmf_fil_iovar_int_set(struct brcmf_if ifp, char name, u32 data)
81f5dcb8 HM	207	{
	208	__le32 data_le = cpu_to_le32(data);
	209
ac24be6f	210	return brcmf_fil_iovar_data_set(ifp, name, &data_le, sizeof(data_le));
81f5dcb8 HM	211	}
	212
	213	s32
ac24be6f	214	brcmf_fil_iovar_int_get(struct brcmf_if ifp, char name, u32 *data)
81f5dcb8 HM	215	{
	216	__le32 data_le = cpu_to_le32(*data);
	217	s32 err;
	218
ac24be6f	219	err = brcmf_fil_iovar_data_get(ifp, name, &data_le, sizeof(data_le));
81f5dcb8 HM	220	if (err == 0)
	221	*data = le32_to_cpu(data_le);
	222	return err;
	223	}
	224
	225	static u32
	226	brcmf_create_bsscfg(s32 bssidx, char name, char data, u32 datalen, char *buf,
	227	u32 buflen)
	228	{
	229	const s8 *prefix = "bsscfg:";
	230	s8 *p;
	231	u32 prefixlen;
	232	u32 namelen;
	233	u32 iolen;
	234	__le32 bssidx_le;
	235
	236	if (bssidx == 0)
	237	return brcmf_create_iovar(name, data, datalen, buf, buflen);
	238
	239	prefixlen = strlen(prefix);
	240	namelen = strlen(name) + 1; /* lengh of iovar name + null */
	241	iolen = prefixlen + namelen + sizeof(bssidx_le) + datalen;
	242
	243	if (buflen < iolen) {
5e8149f5	244	brcmf_err("buffer is too short\n");
81f5dcb8 HM	245	return 0;
	246	}
	247
	248	p = buf;
	249
	250	/* copy prefix, no null */
	251	memcpy(p, prefix, prefixlen);
	252	p += prefixlen;
	253
	254	/* copy iovar name including null */
	255	memcpy(p, name, namelen);
	256	p += namelen;
	257
	258	/* bss config index as first data */
	259	bssidx_le = cpu_to_le32(bssidx);
	260	memcpy(p, &bssidx_le, sizeof(bssidx_le));
	261	p += sizeof(bssidx_le);
	262
	263	/* parameter buffer follows */
	264	if (datalen)
	265	memcpy(p, data, datalen);
	266
	267	return iolen;
	268	}
	269
	270	s32
ac24be6f	271	brcmf_fil_bsscfg_data_set(struct brcmf_if ifp, char name,
81f5dcb8 HM	272	void *data, u32 len)
81f5dcb8 HM	273	{
81f5dcb8 HM	274	struct brcmf_pub *drvr = ifp->drvr;
	275	s32 err;
	276	u32 buflen;
	277
	278	mutex_lock(&drvr->proto_block);
	279
ec5a07d5	280	brcmf_dbg(FIL, "bssidx=%d, name=%s, len=%d\n", ifp->bssidx, name, len);
5a7a59d2 HM	281	brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
5a7a59d2 HM	282	min_t(uint, len, MAX_HEX_DUMP_LEN), "data");
81f5dcb8	283
ec5a07d5 AS	284	buflen = brcmf_create_bsscfg(ifp->bssidx, name, data, len,
ec5a07d5 AS	285	drvr->proto_buf, sizeof(drvr->proto_buf));
81f5dcb8 HM	286	if (buflen) {
	287	err = brcmf_fil_cmd_data(ifp, BRCMF_C_SET_VAR, drvr->proto_buf,
	288	buflen, true);
	289	} else {
	290	err = -EPERM;
5e8149f5	291	brcmf_err("Creating bsscfg failed\n");
81f5dcb8 HM	292	}
	293
	294	mutex_unlock(&drvr->proto_block);
	295	return err;
	296	}
	297
	298	s32
ac24be6f	299	brcmf_fil_bsscfg_data_get(struct brcmf_if ifp, char name,
81f5dcb8 HM	300	void *data, u32 len)
81f5dcb8 HM	301	{
81f5dcb8 HM	302	struct brcmf_pub *drvr = ifp->drvr;
	303	s32 err;
	304	u32 buflen;
	305
	306	mutex_lock(&drvr->proto_block);
	307
bb451c83	308	buflen = brcmf_create_bsscfg(ifp->bssidx, name, data, len,
ec5a07d5	309	drvr->proto_buf, sizeof(drvr->proto_buf));
81f5dcb8 HM	310	if (buflen) {
	311	err = brcmf_fil_cmd_data(ifp, BRCMF_C_GET_VAR, drvr->proto_buf,
	312	buflen, false);
	313	if (err == 0)
	314	memcpy(data, drvr->proto_buf, len);
	315	} else {
	316	err = -EPERM;
5e8149f5	317	brcmf_err("Creating bsscfg failed\n");
81f5dcb8	318	}
ec5a07d5	319	brcmf_dbg(FIL, "bssidx=%d, name=%s, len=%d\n", ifp->bssidx, name, len);
5a7a59d2 HM	320	brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
5a7a59d2 HM	321	min_t(uint, len, MAX_HEX_DUMP_LEN), "data");
81f5dcb8 HM	322
	323	mutex_unlock(&drvr->proto_block);
	324	return err;
	325
	326	}
	327
	328	s32
ac24be6f	329	brcmf_fil_bsscfg_int_set(struct brcmf_if ifp, char name, u32 data)
81f5dcb8 HM	330	{
	331	__le32 data_le = cpu_to_le32(data);
	332
ac24be6f	333	return brcmf_fil_bsscfg_data_set(ifp, name, &data_le,
81f5dcb8 HM	334	sizeof(data_le));
	335	}
	336
	337	s32
ac24be6f	338	brcmf_fil_bsscfg_int_get(struct brcmf_if ifp, char name, u32 *data)
81f5dcb8 HM	339	{
	340	__le32 data_le = cpu_to_le32(*data);
	341	s32 err;
	342
ac24be6f	343	err = brcmf_fil_bsscfg_data_get(ifp, name, &data_le,
81f5dcb8 HM	344	sizeof(data_le));
	345	if (err == 0)
	346	*data = le32_to_cpu(data_le);
	347	return err;
	348	}