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

/*
 * Copyright (c) 2010 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.
 */

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

#define PKTFILTER_BUF_SIZE		128
#define BRCMF_DEFAULT_BCN_TIMEOUT	3
#define BRCMF_DEFAULT_SCAN_CHANNEL_TIME	40
#define BRCMF_DEFAULT_SCAN_UNASSOC_TIME	40
#define BRCMF_DEFAULT_PACKET_FILTER	"100 0 0 0 0x01 0x00"

#ifdef DEBUG
static const char brcmf_version[] =
	"Dongle Host Driver, version " BRCMF_VERSION_STR "\nCompiled on "
	__DATE__ " at " __TIME__;
#else
static const char brcmf_version[] =
	"Dongle Host Driver, version " BRCMF_VERSION_STR;
#endif


bool brcmf_c_prec_enq(struct device *dev, struct pktq *q,
		      struct sk_buff *pkt, int prec)
{
	struct sk_buff *p;
	int eprec = -1;		/* precedence to evict from */
	bool discard_oldest;
	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
	struct brcmf_pub *drvr = bus_if->drvr;

	/* Fast case, precedence queue is not full and we are also not
	 * exceeding total queue length
	 */
	if (!pktq_pfull(q, prec) && !pktq_full(q)) {
		brcmu_pktq_penq(q, prec, pkt);
		return true;
	}

	/* Determine precedence from which to evict packet, if any */
	if (pktq_pfull(q, prec))
		eprec = prec;
	else if (pktq_full(q)) {
		p = brcmu_pktq_peek_tail(q, &eprec);
		if (eprec > prec)
			return false;
	}

	/* Evict if needed */
	if (eprec >= 0) {
		/* Detect queueing to unconfigured precedence */
		discard_oldest = ac_bitmap_tst(drvr->wme_dp, eprec);
		if (eprec == prec && !discard_oldest)
			return false;	/* refuse newer (incoming) packet */
		/* Evict packet according to discard policy */
		p = discard_oldest ? brcmu_pktq_pdeq(q, eprec) :
			brcmu_pktq_pdeq_tail(q, eprec);
		if (p == NULL)
			brcmf_err("brcmu_pktq_penq() failed, oldest %d\n",
				  discard_oldest);

		brcmu_pkt_buf_free_skb(p);
	}

	/* Enqueue */
	p = brcmu_pktq_penq(q, prec, pkt);
	if (p == NULL)
		brcmf_err("brcmu_pktq_penq() failed\n");

	return p != NULL;
}

/* Convert user's input in hex pattern to byte-size mask */
static int brcmf_c_pattern_atoh(char *src, char *dst)
{
	int i;
	if (strncmp(src, "0x", 2) != 0 && strncmp(src, "0X", 2) != 0) {
		brcmf_err("Mask invalid format. Needs to start with 0x\n");
		return -EINVAL;
	}
	src = src + 2;		/* Skip past 0x */
	if (strlen(src) % 2 != 0) {
		brcmf_err("Mask invalid format. Length must be even.\n");
		return -EINVAL;
	}
	for (i = 0; *src != '\0'; i++) {
		unsigned long res;
		char num[3];
		strncpy(num, src, 2);
		num[2] = '\0';
		if (kstrtoul(num, 16, &res))
			return -EINVAL;
		dst[i] = (u8)res;
		src += 2;
	}
	return i;
}

static void
brcmf_c_pktfilter_offload_enable(struct brcmf_if *ifp, char *arg, int enable,
				 int master_mode)
{
	unsigned long res;
	char *argv;
	char *arg_save = NULL, *arg_org = NULL;
	s32 err;
	struct brcmf_pkt_filter_enable_le enable_parm;

	arg_save = kstrdup(arg, GFP_ATOMIC);
	if (!arg_save)
		goto fail;

	arg_org = arg_save;

	argv = strsep(&arg_save, " ");

	if (argv == NULL) {
		brcmf_err("No args provided\n");
		goto fail;
	}

	/* Parse packet filter id. */
	enable_parm.id = 0;
	if (!kstrtoul(argv, 0, &res))
		enable_parm.id = cpu_to_le32((u32)res);

	/* Enable/disable the specified filter. */
	enable_parm.enable = cpu_to_le32(enable);

	err = brcmf_fil_iovar_data_set(ifp, "pkt_filter_enable", &enable_parm,
				       sizeof(enable_parm));
	if (err)
		brcmf_err("Set pkt_filter_enable error (%d)\n", err);

	/* Control the master mode */
	err = brcmf_fil_iovar_int_set(ifp, "pkt_filter_mode", master_mode);
	if (err)
		brcmf_err("Set pkt_filter_mode error (%d)\n", err);

fail:
	kfree(arg_org);
}

static void brcmf_c_pktfilter_offload_set(struct brcmf_if *ifp, char *arg)
{
	struct brcmf_pkt_filter_le *pkt_filter;
	unsigned long res;
	int buf_len;
	s32 err;
	u32 mask_size;
	u32 pattern_size;
	char *argv[8], *buf = NULL;
	int i = 0;
	char *arg_save = NULL, *arg_org = NULL;

	arg_save = kstrdup(arg, GFP_ATOMIC);
	if (!arg_save)
		goto fail;

	arg_org = arg_save;

	buf = kmalloc(PKTFILTER_BUF_SIZE, GFP_ATOMIC);
	if (!buf)
		goto fail;

	argv[i] = strsep(&arg_save, " ");
	while (argv[i]) {
		i++;
		if (i >= 8) {
			brcmf_err("Too many parameters\n");
			goto fail;
		}
		argv[i] = strsep(&arg_save, " ");
	}

	if (i != 6) {
		brcmf_err("Not enough args provided %d\n", i);
		goto fail;
	}

	pkt_filter = (struct brcmf_pkt_filter_le *)buf;

	/* Parse packet filter id. */
	pkt_filter->id = 0;
	if (!kstrtoul(argv[0], 0, &res))
		pkt_filter->id = cpu_to_le32((u32)res);

	/* Parse filter polarity. */
	pkt_filter->negate_match = 0;
	if (!kstrtoul(argv[1], 0, &res))
		pkt_filter->negate_match = cpu_to_le32((u32)res);

	/* Parse filter type. */
	pkt_filter->type = 0;
	if (!kstrtoul(argv[2], 0, &res))
		pkt_filter->type = cpu_to_le32((u32)res);

	/* Parse pattern filter offset. */
	pkt_filter->u.pattern.offset = 0;
	if (!kstrtoul(argv[3], 0, &res))
		pkt_filter->u.pattern.offset = cpu_to_le32((u32)res);

	/* Parse pattern filter mask. */
	mask_size = brcmf_c_pattern_atoh(argv[4],
			(char *)pkt_filter->u.pattern.mask_and_pattern);

	/* Parse pattern filter pattern. */
	pattern_size = brcmf_c_pattern_atoh(argv[5],
		(char *)&pkt_filter->u.pattern.mask_and_pattern[mask_size]);

	if (mask_size != pattern_size) {
		brcmf_err("Mask and pattern not the same size\n");
		goto fail;
	}

	pkt_filter->u.pattern.size_bytes = cpu_to_le32(mask_size);
	buf_len = offsetof(struct brcmf_pkt_filter_le,
			   u.pattern.mask_and_pattern);
	buf_len += mask_size + pattern_size;

	err = brcmf_fil_iovar_data_set(ifp, "pkt_filter_add", pkt_filter,
				       buf_len);
	if (err)
		brcmf_err("Set pkt_filter_add error (%d)\n", err);

fail:
	kfree(arg_org);

	kfree(buf);
}

int brcmf_c_preinit_dcmds(struct brcmf_if *ifp)
{
	s8 eventmask[BRCMF_EVENTING_MASK_LEN];
	u8 buf[BRCMF_DCMD_SMLEN];
	char *ptr;
	s32 err;

	/* retreive mac address */
	err = brcmf_fil_iovar_data_get(ifp, "cur_etheraddr", ifp->mac_addr,
				       sizeof(ifp->mac_addr));
	if (err < 0) {
		brcmf_err("Retreiving cur_etheraddr failed, %d\n",
			  err);
		goto done;
	}
	memcpy(ifp->drvr->mac, ifp->mac_addr, sizeof(ifp->drvr->mac));

	/* query for 'ver' to get version info from firmware */
	memset(buf, 0, sizeof(buf));
	strcpy(buf, "ver");
	err = brcmf_fil_iovar_data_get(ifp, "ver", buf, sizeof(buf));
	if (err < 0) {
		brcmf_err("Retreiving version information failed, %d\n",
			  err);
		goto done;
	}
	ptr = (char *)buf;
	strsep(&ptr, "\n");

	/* Print fw version info */
	brcmf_err("Firmware version = %s\n", buf);

	/* locate firmware version number for ethtool */
	ptr = strrchr(buf, ' ') + 1;
	strlcpy(ifp->drvr->fwver, ptr, sizeof(ifp->drvr->fwver));

	/*
	 * Setup timeout if Beacons are lost and roam is off to report
	 * link down
	 */
	err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout",
				      BRCMF_DEFAULT_BCN_TIMEOUT);
	if (err) {
		brcmf_err("bcn_timeout error (%d)\n", err);
		goto done;
	}

	/* Enable/Disable build-in roaming to allowed ext supplicant to take
	 * of romaing
	 */
	err = brcmf_fil_iovar_int_set(ifp, "roam_off", 1);
	if (err) {
		brcmf_err("roam_off error (%d)\n", err);
		goto done;
	}

	/* Setup event_msgs, enable E_IF */
	err = brcmf_fil_iovar_data_get(ifp, "event_msgs", eventmask,
				       BRCMF_EVENTING_MASK_LEN);
	if (err) {
		brcmf_err("Get event_msgs error (%d)\n", err);
		goto done;
	}
	setbit(eventmask, BRCMF_E_IF);
	err = brcmf_fil_iovar_data_set(ifp, "event_msgs", eventmask,
				       BRCMF_EVENTING_MASK_LEN);
	if (err) {
		brcmf_err("Set event_msgs error (%d)\n", err);
		goto done;
	}

	/* Setup default scan channel time */
	err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
				    BRCMF_DEFAULT_SCAN_CHANNEL_TIME);
	if (err) {
		brcmf_err("BRCMF_C_SET_SCAN_CHANNEL_TIME error (%d)\n",
			  err);
		goto done;
	}

	/* Setup default scan unassoc time */
	err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
				    BRCMF_DEFAULT_SCAN_UNASSOC_TIME);
	if (err) {
		brcmf_err("BRCMF_C_SET_SCAN_UNASSOC_TIME error (%d)\n",
			  err);
		goto done;
	}

	/* Setup packet filter */
	brcmf_c_pktfilter_offload_set(ifp, BRCMF_DEFAULT_PACKET_FILTER);
	brcmf_c_pktfilter_offload_enable(ifp, BRCMF_DEFAULT_PACKET_FILTER,
					 0, true);

	/* do bus specific preinit here */
	err = brcmf_bus_preinit(ifp->drvr->bus_if);
done:
	return err;
}

#ifdef CONFIG_BRCM_TRACING
void __brcmf_err(const char *func, const char *fmt, ...)
{
	struct va_format vaf = {
		.fmt = fmt,
	};
	va_list args;

	va_start(args, fmt);
	vaf.va = &args;
	pr_err("%s: %pV", func, &vaf);
	trace_brcmf_err(func, &vaf);
	va_end(args);
}
#endif
#if defined(CONFIG_BRCM_TRACING) || defined(CONFIG_BRCMDBG)
void __brcmf_dbg(u32 level, const char *func, const char *fmt, ...)
{
	struct va_format vaf = {
		.fmt = fmt,
	};
	va_list args;

	va_start(args, fmt);
	vaf.va = &args;
	if (brcmf_msg_level & level)
		pr_debug("%s %pV", func, &vaf);
	trace_brcmf_dbg(level, func, &vaf);
	va_end(args);
}
#endif
Commit	Line	Data
5b435de0 AS	1	/*
	2	* Copyright (c) 2010 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	*/
02f77195	16
5b435de0 AS	17	#include <linux/kernel.h>
5b435de0 AS	18	#include <linux/string.h>
5b435de0	19	#include <linux/netdevice.h>
5b435de0 AS	20	#include <brcmu_wifi.h>
	21	#include <brcmu_utils.h>
	22	#include "dhd.h"
	23	#include "dhd_bus.h"
5b435de0	24	#include "dhd_dbg.h"
0af29bf7	25	#include "fwil.h"
e5483576	26	#include "tracepoint.h"
5b435de0	27
0af29bf7	28	#define PKTFILTER_BUF_SIZE 128
0af29bf7 HM	29	#define BRCMF_DEFAULT_BCN_TIMEOUT 3
	30	#define BRCMF_DEFAULT_SCAN_CHANNEL_TIME 40
	31	#define BRCMF_DEFAULT_SCAN_UNASSOC_TIME 40
	32	#define BRCMF_DEFAULT_PACKET_FILTER "100 0 0 0 0x01 0x00"
5b435de0	33
8ae74654	34	#ifdef DEBUG
5b435de0 AS	35	static const char brcmf_version[] =
	36	"Dongle Host Driver, version " BRCMF_VERSION_STR "\nCompiled on "
	37	__DATE__ " at " __TIME__;
	38	#else
	39	static const char brcmf_version[] =
	40	"Dongle Host Driver, version " BRCMF_VERSION_STR;
	41	#endif
	42
53a2277d	43
b63487ed	44	bool brcmf_c_prec_enq(struct device dev, struct pktq q,
5b435de0 AS	45	struct sk_buff *pkt, int prec)
	46	{
	47	struct sk_buff *p;
	48	int eprec = -1; /* precedence to evict from */
	49	bool discard_oldest;
b63487ed FL	50	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
b63487ed FL	51	struct brcmf_pub *drvr = bus_if->drvr;
5b435de0 AS	52
	53	/* Fast case, precedence queue is not full and we are also not
	54	* exceeding total queue length
	55	*/
	56	if (!pktq_pfull(q, prec) && !pktq_full(q)) {
	57	brcmu_pktq_penq(q, prec, pkt);
	58	return true;
	59	}
	60
	61	/* Determine precedence from which to evict packet, if any */
	62	if (pktq_pfull(q, prec))
	63	eprec = prec;
	64	else if (pktq_full(q)) {
	65	p = brcmu_pktq_peek_tail(q, &eprec);
	66	if (eprec > prec)
	67	return false;
	68	}
	69
	70	/* Evict if needed */
	71	if (eprec >= 0) {
	72	/* Detect queueing to unconfigured precedence */
	73	discard_oldest = ac_bitmap_tst(drvr->wme_dp, eprec);
	74	if (eprec == prec && !discard_oldest)
	75	return false; /* refuse newer (incoming) packet */
	76	/* Evict packet according to discard policy */
	77	p = discard_oldest ? brcmu_pktq_pdeq(q, eprec) :
	78	brcmu_pktq_pdeq_tail(q, eprec);
	79	if (p == NULL)
5e8149f5	80	brcmf_err("brcmu_pktq_penq() failed, oldest %d\n",
5b435de0 AS	81	discard_oldest);
	82
	83	brcmu_pkt_buf_free_skb(p);
	84	}
	85
	86	/* Enqueue */
	87	p = brcmu_pktq_penq(q, prec, pkt);
	88	if (p == NULL)
5e8149f5	89	brcmf_err("brcmu_pktq_penq() failed\n");
5b435de0 AS	90
	91	return p != NULL;
	92	}
	93
5b435de0 AS	94	/* Convert user's input in hex pattern to byte-size mask */
	95	static int brcmf_c_pattern_atoh(char src, char dst)
	96	{
	97	int i;
	98	if (strncmp(src, "0x", 2) != 0 && strncmp(src, "0X", 2) != 0) {
5e8149f5	99	brcmf_err("Mask invalid format. Needs to start with 0x\n");
5b435de0 AS	100	return -EINVAL;
	101	}
	102	src = src + 2; /* Skip past 0x */
	103	if (strlen(src) % 2 != 0) {
5e8149f5	104	brcmf_err("Mask invalid format. Length must be even.\n");
5b435de0 AS	105	return -EINVAL;
	106	}
	107	for (i = 0; *src != '\0'; i++) {
	108	unsigned long res;
	109	char num[3];
	110	strncpy(num, src, 2);
	111	num[2] = '\0';
	112	if (kstrtoul(num, 16, &res))
	113	return -EINVAL;
	114	dst[i] = (u8)res;
	115	src += 2;
	116	}
	117	return i;
	118	}
	119
0af29bf7 HM	120	static void
	121	brcmf_c_pktfilter_offload_enable(struct brcmf_if ifp, char arg, int enable,
	122	int master_mode)
5b435de0 AS	123	{
5b435de0 AS	124	unsigned long res;
0af29bf7	125	char *argv;
5b435de0	126	char arg_save = NULL, arg_org = NULL;
0af29bf7	127	s32 err;
f7264adb	128	struct brcmf_pkt_filter_enable_le enable_parm;
5b435de0	129
0af29bf7	130	arg_save = kstrdup(arg, GFP_ATOMIC);
5b435de0 AS	131	if (!arg_save)
	132	goto fail;
	133
	134	arg_org = arg_save;
5b435de0	135
0af29bf7	136	argv = strsep(&arg_save, " ");
5b435de0	137
0af29bf7	138	if (argv == NULL) {
5e8149f5	139	brcmf_err("No args provided\n");
5b435de0 AS	140	goto fail;
	141	}
	142
5b435de0 AS	143	/* Parse packet filter id. */
5b435de0 AS	144	enable_parm.id = 0;
0af29bf7	145	if (!kstrtoul(argv, 0, &res))
f7264adb	146	enable_parm.id = cpu_to_le32((u32)res);
5b435de0	147
0af29bf7	148	/* Enable/disable the specified filter. */
f7264adb	149	enable_parm.enable = cpu_to_le32(enable);
5b435de0	150
0af29bf7 HM	151	err = brcmf_fil_iovar_data_set(ifp, "pkt_filter_enable", &enable_parm,
	152	sizeof(enable_parm));
	153	if (err)
5e8149f5	154	brcmf_err("Set pkt_filter_enable error (%d)\n", err);
5b435de0	155
0af29bf7 HM	156	/* Control the master mode */
	157	err = brcmf_fil_iovar_int_set(ifp, "pkt_filter_mode", master_mode);
	158	if (err)
5e8149f5	159	brcmf_err("Set pkt_filter_mode error (%d)\n", err);
5b435de0 AS	160
	161	fail:
	162	kfree(arg_org);
	163	}
	164
0af29bf7	165	static void brcmf_c_pktfilter_offload_set(struct brcmf_if ifp, char arg)
5b435de0	166	{
0af29bf7	167	struct brcmf_pkt_filter_le *pkt_filter;
5b435de0 AS	168	unsigned long res;
5b435de0 AS	169	int buf_len;
0af29bf7	170	s32 err;
5b435de0 AS	171	u32 mask_size;
	172	u32 pattern_size;
	173	char argv[8], buf = NULL;
	174	int i = 0;
	175	char arg_save = NULL, arg_org = NULL;
	176
	177	arg_save = kstrdup(arg, GFP_ATOMIC);
	178	if (!arg_save)
	179	goto fail;
	180
	181	arg_org = arg_save;
	182
	183	buf = kmalloc(PKTFILTER_BUF_SIZE, GFP_ATOMIC);
	184	if (!buf)
	185	goto fail;
	186
	187	argv[i] = strsep(&arg_save, " ");
0af29bf7 HM	188	while (argv[i]) {
	189	i++;
	190	if (i >= 8) {
5e8149f5	191	brcmf_err("Too many parameters\n");
0af29bf7 HM	192	goto fail;
0af29bf7 HM	193	}
5b435de0	194	argv[i] = strsep(&arg_save, " ");
0af29bf7	195	}
5b435de0	196
0af29bf7	197	if (i != 6) {
5e8149f5	198	brcmf_err("Not enough args provided %d\n", i);
5b435de0 AS	199	goto fail;
	200	}
	201
0af29bf7	202	pkt_filter = (struct brcmf_pkt_filter_le *)buf;
5b435de0 AS	203
5b435de0 AS	204	/* Parse packet filter id. */
0af29bf7 HM	205	pkt_filter->id = 0;
	206	if (!kstrtoul(argv[0], 0, &res))
	207	pkt_filter->id = cpu_to_le32((u32)res);
5b435de0 AS	208
5b435de0 AS	209	/* Parse filter polarity. */
0af29bf7 HM	210	pkt_filter->negate_match = 0;
	211	if (!kstrtoul(argv[1], 0, &res))
	212	pkt_filter->negate_match = cpu_to_le32((u32)res);
5b435de0 AS	213
5b435de0 AS	214	/* Parse filter type. */
0af29bf7 HM	215	pkt_filter->type = 0;
	216	if (!kstrtoul(argv[2], 0, &res))
	217	pkt_filter->type = cpu_to_le32((u32)res);
5b435de0 AS	218
5b435de0 AS	219	/* Parse pattern filter offset. */
0af29bf7 HM	220	pkt_filter->u.pattern.offset = 0;
	221	if (!kstrtoul(argv[3], 0, &res))
	222	pkt_filter->u.pattern.offset = cpu_to_le32((u32)res);
5b435de0 AS	223
5b435de0 AS	224	/* Parse pattern filter mask. */
0af29bf7 HM	225	mask_size = brcmf_c_pattern_atoh(argv[4],
0af29bf7 HM	226	(char *)pkt_filter->u.pattern.mask_and_pattern);
5b435de0 AS	227
5b435de0 AS	228	/* Parse pattern filter pattern. */
0af29bf7 HM	229	pattern_size = brcmf_c_pattern_atoh(argv[5],
0af29bf7 HM	230	(char *)&pkt_filter->u.pattern.mask_and_pattern[mask_size]);
5b435de0 AS	231
5b435de0 AS	232	if (mask_size != pattern_size) {
5e8149f5	233	brcmf_err("Mask and pattern not the same size\n");
5b435de0 AS	234	goto fail;
	235	}
	236
0af29bf7	237	pkt_filter->u.pattern.size_bytes = cpu_to_le32(mask_size);
c697be5a HM	238	buf_len = offsetof(struct brcmf_pkt_filter_le,
c697be5a HM	239	u.pattern.mask_and_pattern);
0af29bf7	240	buf_len += mask_size + pattern_size;
5b435de0	241
0af29bf7 HM	242	err = brcmf_fil_iovar_data_set(ifp, "pkt_filter_add", pkt_filter,
	243	buf_len);
	244	if (err)
5e8149f5	245	brcmf_err("Set pkt_filter_add error (%d)\n", err);
5b435de0 AS	246
	247	fail:
	248	kfree(arg_org);
	249
	250	kfree(buf);
	251	}
	252
0af29bf7	253	int brcmf_c_preinit_dcmds(struct brcmf_if *ifp)
5b435de0	254	{
0af29bf7 HM	255	s8 eventmask[BRCMF_EVENTING_MASK_LEN];
	256	u8 buf[BRCMF_DCMD_SMLEN];
	257	char *ptr;
	258	s32 err;
5b435de0	259
0af29bf7 HM	260	/* retreive mac address */
	261	err = brcmf_fil_iovar_data_get(ifp, "cur_etheraddr", ifp->mac_addr,
	262	sizeof(ifp->mac_addr));
	263	if (err < 0) {
5e8149f5	264	brcmf_err("Retreiving cur_etheraddr failed, %d\n",
0af29bf7 HM	265	err);
0af29bf7 HM	266	goto done;
5b435de0	267	}
0af29bf7	268	memcpy(ifp->drvr->mac, ifp->mac_addr, sizeof(ifp->drvr->mac));
5b435de0 AS	269
	270	/* query for 'ver' to get version info from firmware */
	271	memset(buf, 0, sizeof(buf));
0af29bf7 HM	272	strcpy(buf, "ver");
	273	err = brcmf_fil_iovar_data_get(ifp, "ver", buf, sizeof(buf));
	274	if (err < 0) {
5e8149f5	275	brcmf_err("Retreiving version information failed, %d\n",
0af29bf7 HM	276	err);
	277	goto done;
	278	}
	279	ptr = (char *)buf;
5b435de0	280	strsep(&ptr, "\n");
55685b8f	281
5b435de0	282	/* Print fw version info */
5e8149f5	283	brcmf_err("Firmware version = %s\n", buf);
5b435de0	284
55685b8f AS	285	/* locate firmware version number for ethtool */
	286	ptr = strrchr(buf, ' ') + 1;
	287	strlcpy(ifp->drvr->fwver, ptr, sizeof(ifp->drvr->fwver));
	288
0af29bf7 HM	289	/*
	290	* Setup timeout if Beacons are lost and roam is off to report
	291	* link down
	292	*/
	293	err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout",
	294	BRCMF_DEFAULT_BCN_TIMEOUT);
	295	if (err) {
5e8149f5	296	brcmf_err("bcn_timeout error (%d)\n", err);
0af29bf7 HM	297	goto done;
0af29bf7 HM	298	}
5b435de0 AS	299
5b435de0 AS	300	/* Enable/Disable build-in roaming to allowed ext supplicant to take
0af29bf7 HM	301	* of romaing
	302	*/
	303	err = brcmf_fil_iovar_int_set(ifp, "roam_off", 1);
	304	if (err) {
5e8149f5	305	brcmf_err("roam_off error (%d)\n", err);
0af29bf7 HM	306	goto done;
	307	}
	308
	309	/* Setup event_msgs, enable E_IF */
	310	err = brcmf_fil_iovar_data_get(ifp, "event_msgs", eventmask,
	311	BRCMF_EVENTING_MASK_LEN);
	312	if (err) {
5e8149f5	313	brcmf_err("Get event_msgs error (%d)\n", err);
0af29bf7 HM	314	goto done;
	315	}
	316	setbit(eventmask, BRCMF_E_IF);
	317	err = brcmf_fil_iovar_data_set(ifp, "event_msgs", eventmask,
	318	BRCMF_EVENTING_MASK_LEN);
	319	if (err) {
5e8149f5	320	brcmf_err("Set event_msgs error (%d)\n", err);
0af29bf7 HM	321	goto done;
	322	}
	323
	324	/* Setup default scan channel time */
	325	err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
	326	BRCMF_DEFAULT_SCAN_CHANNEL_TIME);
	327	if (err) {
5e8149f5	328	brcmf_err("BRCMF_C_SET_SCAN_CHANNEL_TIME error (%d)\n",
0af29bf7 HM	329	err);
	330	goto done;
	331	}
	332
	333	/* Setup default scan unassoc time */
	334	err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
	335	BRCMF_DEFAULT_SCAN_UNASSOC_TIME);
	336	if (err) {
5e8149f5	337	brcmf_err("BRCMF_C_SET_SCAN_UNASSOC_TIME error (%d)\n",
0af29bf7 HM	338	err);
	339	goto done;
	340	}
	341
0af29bf7 HM	342	/* Setup packet filter */
	343	brcmf_c_pktfilter_offload_set(ifp, BRCMF_DEFAULT_PACKET_FILTER);
	344	brcmf_c_pktfilter_offload_enable(ifp, BRCMF_DEFAULT_PACKET_FILTER,
	345	0, true);
	346
cf458287 AS	347	/* do bus specific preinit here */
cf458287 AS	348	err = brcmf_bus_preinit(ifp->drvr->bus_if);
0af29bf7 HM	349	done:
0af29bf7 HM	350	return err;
5b435de0	351	}
e5483576 AS	352
	353	#ifdef CONFIG_BRCM_TRACING
	354	void __brcmf_err(const char func, const char fmt, ...)
	355	{
	356	struct va_format vaf = {
	357	.fmt = fmt,
	358	};
	359	va_list args;
	360
	361	va_start(args, fmt);
	362	vaf.va = &args;
	363	pr_err("%s: %pV", func, &vaf);
	364	trace_brcmf_err(func, &vaf);
	365	va_end(args);
	366	}
	367	#endif
	368	#if defined(CONFIG_BRCM_TRACING) \|\| defined(CONFIG_BRCMDBG)
	369	void __brcmf_dbg(u32 level, const char func, const char fmt, ...)
	370	{
	371	struct va_format vaf = {
	372	.fmt = fmt,
	373	};
	374	va_list args;
	375
	376	va_start(args, fmt);
	377	vaf.va = &args;
	378	if (brcmf_msg_level & level)
	379	pr_debug("%s %pV", func, &vaf);
	380	trace_brcmf_dbg(level, func, &vaf);
	381	va_end(args);
	382	}
	383	#endif