[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 "fwil_types.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"

static const char brcmf_version[] =
	"Dongle Host Driver, version " BRCMF_VERSION_STR;

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"
6f5838a4	26	#include "fwil_types.h"
e5483576	27	#include "tracepoint.h"
5b435de0	28
0af29bf7	29	#define PKTFILTER_BUF_SIZE 128
0af29bf7 HM	30	#define BRCMF_DEFAULT_BCN_TIMEOUT 3
	31	#define BRCMF_DEFAULT_SCAN_CHANNEL_TIME 40
	32	#define BRCMF_DEFAULT_SCAN_UNASSOC_TIME 40
	33	#define BRCMF_DEFAULT_PACKET_FILTER "100 0 0 0 0x01 0x00"
5b435de0	34
5b435de0 AS	35	static const char brcmf_version[] =
5b435de0 AS	36	"Dongle Host Driver, version " BRCMF_VERSION_STR;
53a2277d	37
b63487ed	38	bool brcmf_c_prec_enq(struct device dev, struct pktq q,
5b435de0 AS	39	struct sk_buff *pkt, int prec)
	40	{
	41	struct sk_buff *p;
	42	int eprec = -1; /* precedence to evict from */
	43	bool discard_oldest;
b63487ed FL	44	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
b63487ed FL	45	struct brcmf_pub *drvr = bus_if->drvr;
5b435de0 AS	46
	47	/* Fast case, precedence queue is not full and we are also not
	48	* exceeding total queue length
	49	*/
	50	if (!pktq_pfull(q, prec) && !pktq_full(q)) {
	51	brcmu_pktq_penq(q, prec, pkt);
	52	return true;
	53	}
	54
	55	/* Determine precedence from which to evict packet, if any */
	56	if (pktq_pfull(q, prec))
	57	eprec = prec;
	58	else if (pktq_full(q)) {
	59	p = brcmu_pktq_peek_tail(q, &eprec);
	60	if (eprec > prec)
	61	return false;
	62	}
	63
	64	/* Evict if needed */
	65	if (eprec >= 0) {
	66	/* Detect queueing to unconfigured precedence */
	67	discard_oldest = ac_bitmap_tst(drvr->wme_dp, eprec);
	68	if (eprec == prec && !discard_oldest)
	69	return false; /* refuse newer (incoming) packet */
	70	/* Evict packet according to discard policy */
	71	p = discard_oldest ? brcmu_pktq_pdeq(q, eprec) :
	72	brcmu_pktq_pdeq_tail(q, eprec);
	73	if (p == NULL)
5e8149f5	74	brcmf_err("brcmu_pktq_penq() failed, oldest %d\n",
5b435de0 AS	75	discard_oldest);
	76
	77	brcmu_pkt_buf_free_skb(p);
	78	}
	79
	80	/* Enqueue */
	81	p = brcmu_pktq_penq(q, prec, pkt);
	82	if (p == NULL)
5e8149f5	83	brcmf_err("brcmu_pktq_penq() failed\n");
5b435de0 AS	84
	85	return p != NULL;
	86	}
	87
5b435de0 AS	88	/* Convert user's input in hex pattern to byte-size mask */
	89	static int brcmf_c_pattern_atoh(char src, char dst)
	90	{
	91	int i;
	92	if (strncmp(src, "0x", 2) != 0 && strncmp(src, "0X", 2) != 0) {
5e8149f5	93	brcmf_err("Mask invalid format. Needs to start with 0x\n");
5b435de0 AS	94	return -EINVAL;
	95	}
	96	src = src + 2; /* Skip past 0x */
	97	if (strlen(src) % 2 != 0) {
5e8149f5	98	brcmf_err("Mask invalid format. Length must be even.\n");
5b435de0 AS	99	return -EINVAL;
	100	}
	101	for (i = 0; *src != '\0'; i++) {
	102	unsigned long res;
	103	char num[3];
	104	strncpy(num, src, 2);
	105	num[2] = '\0';
	106	if (kstrtoul(num, 16, &res))
	107	return -EINVAL;
	108	dst[i] = (u8)res;
	109	src += 2;
	110	}
	111	return i;
	112	}
	113
0af29bf7 HM	114	static void
	115	brcmf_c_pktfilter_offload_enable(struct brcmf_if ifp, char arg, int enable,
	116	int master_mode)
5b435de0 AS	117	{
5b435de0 AS	118	unsigned long res;
0af29bf7	119	char *argv;
5b435de0	120	char arg_save = NULL, arg_org = NULL;
0af29bf7	121	s32 err;
f7264adb	122	struct brcmf_pkt_filter_enable_le enable_parm;
5b435de0	123
0af29bf7	124	arg_save = kstrdup(arg, GFP_ATOMIC);
5b435de0 AS	125	if (!arg_save)
	126	goto fail;
	127
	128	arg_org = arg_save;
5b435de0	129
0af29bf7	130	argv = strsep(&arg_save, " ");
5b435de0	131
0af29bf7	132	if (argv == NULL) {
5e8149f5	133	brcmf_err("No args provided\n");
5b435de0 AS	134	goto fail;
	135	}
	136
5b435de0 AS	137	/* Parse packet filter id. */
5b435de0 AS	138	enable_parm.id = 0;
0af29bf7	139	if (!kstrtoul(argv, 0, &res))
f7264adb	140	enable_parm.id = cpu_to_le32((u32)res);
5b435de0	141
0af29bf7	142	/* Enable/disable the specified filter. */
f7264adb	143	enable_parm.enable = cpu_to_le32(enable);
5b435de0	144
0af29bf7 HM	145	err = brcmf_fil_iovar_data_set(ifp, "pkt_filter_enable", &enable_parm,
	146	sizeof(enable_parm));
	147	if (err)
5e8149f5	148	brcmf_err("Set pkt_filter_enable error (%d)\n", err);
5b435de0	149
0af29bf7 HM	150	/* Control the master mode */
	151	err = brcmf_fil_iovar_int_set(ifp, "pkt_filter_mode", master_mode);
	152	if (err)
5e8149f5	153	brcmf_err("Set pkt_filter_mode error (%d)\n", err);
5b435de0 AS	154
	155	fail:
	156	kfree(arg_org);
	157	}
	158
0af29bf7	159	static void brcmf_c_pktfilter_offload_set(struct brcmf_if ifp, char arg)
5b435de0	160	{
0af29bf7	161	struct brcmf_pkt_filter_le *pkt_filter;
5b435de0 AS	162	unsigned long res;
5b435de0 AS	163	int buf_len;
0af29bf7	164	s32 err;
5b435de0 AS	165	u32 mask_size;
	166	u32 pattern_size;
	167	char argv[8], buf = NULL;
	168	int i = 0;
	169	char arg_save = NULL, arg_org = NULL;
	170
	171	arg_save = kstrdup(arg, GFP_ATOMIC);
	172	if (!arg_save)
	173	goto fail;
	174
	175	arg_org = arg_save;
	176
	177	buf = kmalloc(PKTFILTER_BUF_SIZE, GFP_ATOMIC);
	178	if (!buf)
	179	goto fail;
	180
	181	argv[i] = strsep(&arg_save, " ");
0af29bf7 HM	182	while (argv[i]) {
	183	i++;
	184	if (i >= 8) {
5e8149f5	185	brcmf_err("Too many parameters\n");
0af29bf7 HM	186	goto fail;
0af29bf7 HM	187	}
5b435de0	188	argv[i] = strsep(&arg_save, " ");
0af29bf7	189	}
5b435de0	190
0af29bf7	191	if (i != 6) {
5e8149f5	192	brcmf_err("Not enough args provided %d\n", i);
5b435de0 AS	193	goto fail;
	194	}
	195
0af29bf7	196	pkt_filter = (struct brcmf_pkt_filter_le *)buf;
5b435de0 AS	197
5b435de0 AS	198	/* Parse packet filter id. */
0af29bf7 HM	199	pkt_filter->id = 0;
	200	if (!kstrtoul(argv[0], 0, &res))
	201	pkt_filter->id = cpu_to_le32((u32)res);
5b435de0 AS	202
5b435de0 AS	203	/* Parse filter polarity. */
0af29bf7 HM	204	pkt_filter->negate_match = 0;
	205	if (!kstrtoul(argv[1], 0, &res))
	206	pkt_filter->negate_match = cpu_to_le32((u32)res);
5b435de0 AS	207
5b435de0 AS	208	/* Parse filter type. */
0af29bf7 HM	209	pkt_filter->type = 0;
	210	if (!kstrtoul(argv[2], 0, &res))
	211	pkt_filter->type = cpu_to_le32((u32)res);
5b435de0 AS	212
5b435de0 AS	213	/* Parse pattern filter offset. */
0af29bf7 HM	214	pkt_filter->u.pattern.offset = 0;
	215	if (!kstrtoul(argv[3], 0, &res))
	216	pkt_filter->u.pattern.offset = cpu_to_le32((u32)res);
5b435de0 AS	217
5b435de0 AS	218	/* Parse pattern filter mask. */
0af29bf7 HM	219	mask_size = brcmf_c_pattern_atoh(argv[4],
0af29bf7 HM	220	(char *)pkt_filter->u.pattern.mask_and_pattern);
5b435de0 AS	221
5b435de0 AS	222	/* Parse pattern filter pattern. */
0af29bf7 HM	223	pattern_size = brcmf_c_pattern_atoh(argv[5],
0af29bf7 HM	224	(char *)&pkt_filter->u.pattern.mask_and_pattern[mask_size]);
5b435de0 AS	225
5b435de0 AS	226	if (mask_size != pattern_size) {
5e8149f5	227	brcmf_err("Mask and pattern not the same size\n");
5b435de0 AS	228	goto fail;
	229	}
	230
0af29bf7	231	pkt_filter->u.pattern.size_bytes = cpu_to_le32(mask_size);
c697be5a HM	232	buf_len = offsetof(struct brcmf_pkt_filter_le,
c697be5a HM	233	u.pattern.mask_and_pattern);
0af29bf7	234	buf_len += mask_size + pattern_size;
5b435de0	235
0af29bf7 HM	236	err = brcmf_fil_iovar_data_set(ifp, "pkt_filter_add", pkt_filter,
	237	buf_len);
	238	if (err)
5e8149f5	239	brcmf_err("Set pkt_filter_add error (%d)\n", err);
5b435de0 AS	240
	241	fail:
	242	kfree(arg_org);
	243
	244	kfree(buf);
	245	}
	246
0af29bf7	247	int brcmf_c_preinit_dcmds(struct brcmf_if *ifp)
5b435de0	248	{
0af29bf7 HM	249	s8 eventmask[BRCMF_EVENTING_MASK_LEN];
	250	u8 buf[BRCMF_DCMD_SMLEN];
	251	char *ptr;
	252	s32 err;
5b435de0	253
0af29bf7 HM	254	/* retreive mac address */
	255	err = brcmf_fil_iovar_data_get(ifp, "cur_etheraddr", ifp->mac_addr,
	256	sizeof(ifp->mac_addr));
	257	if (err < 0) {
5e8149f5	258	brcmf_err("Retreiving cur_etheraddr failed, %d\n",
0af29bf7 HM	259	err);
0af29bf7 HM	260	goto done;
5b435de0	261	}
0af29bf7	262	memcpy(ifp->drvr->mac, ifp->mac_addr, sizeof(ifp->drvr->mac));
5b435de0 AS	263
	264	/* query for 'ver' to get version info from firmware */
	265	memset(buf, 0, sizeof(buf));
0af29bf7 HM	266	strcpy(buf, "ver");
	267	err = brcmf_fil_iovar_data_get(ifp, "ver", buf, sizeof(buf));
	268	if (err < 0) {
5e8149f5	269	brcmf_err("Retreiving version information failed, %d\n",
0af29bf7 HM	270	err);
	271	goto done;
	272	}
	273	ptr = (char *)buf;
5b435de0	274	strsep(&ptr, "\n");
55685b8f	275
5b435de0	276	/* Print fw version info */
5e8149f5	277	brcmf_err("Firmware version = %s\n", buf);
5b435de0	278
55685b8f AS	279	/* locate firmware version number for ethtool */
	280	ptr = strrchr(buf, ' ') + 1;
	281	strlcpy(ifp->drvr->fwver, ptr, sizeof(ifp->drvr->fwver));
	282
0af29bf7 HM	283	/*
	284	* Setup timeout if Beacons are lost and roam is off to report
	285	* link down
	286	*/
	287	err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout",
	288	BRCMF_DEFAULT_BCN_TIMEOUT);
	289	if (err) {
5e8149f5	290	brcmf_err("bcn_timeout error (%d)\n", err);
0af29bf7 HM	291	goto done;
0af29bf7 HM	292	}
5b435de0 AS	293
5b435de0 AS	294	/* Enable/Disable build-in roaming to allowed ext supplicant to take
0af29bf7 HM	295	* of romaing
	296	*/
	297	err = brcmf_fil_iovar_int_set(ifp, "roam_off", 1);
	298	if (err) {
5e8149f5	299	brcmf_err("roam_off error (%d)\n", err);
0af29bf7 HM	300	goto done;
	301	}
	302
	303	/* Setup event_msgs, enable E_IF */
	304	err = brcmf_fil_iovar_data_get(ifp, "event_msgs", eventmask,
	305	BRCMF_EVENTING_MASK_LEN);
	306	if (err) {
5e8149f5	307	brcmf_err("Get event_msgs error (%d)\n", err);
0af29bf7 HM	308	goto done;
	309	}
	310	setbit(eventmask, BRCMF_E_IF);
	311	err = brcmf_fil_iovar_data_set(ifp, "event_msgs", eventmask,
	312	BRCMF_EVENTING_MASK_LEN);
	313	if (err) {
5e8149f5	314	brcmf_err("Set event_msgs error (%d)\n", err);
0af29bf7 HM	315	goto done;
	316	}
	317
	318	/* Setup default scan channel time */
	319	err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
	320	BRCMF_DEFAULT_SCAN_CHANNEL_TIME);
	321	if (err) {
5e8149f5	322	brcmf_err("BRCMF_C_SET_SCAN_CHANNEL_TIME error (%d)\n",
0af29bf7 HM	323	err);
	324	goto done;
	325	}
	326
	327	/* Setup default scan unassoc time */
	328	err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
	329	BRCMF_DEFAULT_SCAN_UNASSOC_TIME);
	330	if (err) {
5e8149f5	331	brcmf_err("BRCMF_C_SET_SCAN_UNASSOC_TIME error (%d)\n",
0af29bf7 HM	332	err);
	333	goto done;
	334	}
	335
0af29bf7 HM	336	/* Setup packet filter */
	337	brcmf_c_pktfilter_offload_set(ifp, BRCMF_DEFAULT_PACKET_FILTER);
	338	brcmf_c_pktfilter_offload_enable(ifp, BRCMF_DEFAULT_PACKET_FILTER,
	339	0, true);
	340
cf458287 AS	341	/* do bus specific preinit here */
cf458287 AS	342	err = brcmf_bus_preinit(ifp->drvr->bus_if);
0af29bf7 HM	343	done:
0af29bf7 HM	344	return err;
5b435de0	345	}
e5483576 AS	346
	347	#ifdef CONFIG_BRCM_TRACING
	348	void __brcmf_err(const char func, const char fmt, ...)
	349	{
	350	struct va_format vaf = {
	351	.fmt = fmt,
	352	};
	353	va_list args;
	354
	355	va_start(args, fmt);
	356	vaf.va = &args;
	357	pr_err("%s: %pV", func, &vaf);
	358	trace_brcmf_err(func, &vaf);
	359	va_end(args);
	360	}
	361	#endif
	362	#if defined(CONFIG_BRCM_TRACING) \|\| defined(CONFIG_BRCMDBG)
	363	void __brcmf_dbg(u32 level, const char func, const char fmt, ...)
	364	{
	365	struct va_format vaf = {
	366	.fmt = fmt,
	367	};
	368	va_list args;
	369
	370	va_start(args, fmt);
	371	vaf.va = &args;
	372	if (brcmf_msg_level & level)
	373	pr_debug("%s %pV", func, &vaf);
	374	trace_brcmf_dbg(level, func, &vaf);
	375	va_end(args);
	376	}
	377	#endif