[mirror_ubuntu-kernels.git] / drivers / staging / brcm80211 / sys / wlc_alloc.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 <wlc_cfg.h>
#include <typedefs.h>
#include <bcmdefs.h>
#include <osl.h>
#include <bcmutils.h>
#include <siutils.h>
#include <proto/802.11.h>
#include <proto/802.11e.h>
#include <proto/wpa.h>
#include <wlioctl.h>
#include <bcmwpa.h>
#include <d11.h>
#include <wlc_rate.h>
#include <wlc_pub.h>
#include <wlc_key.h>
#include <wlc_bsscfg.h>
#include <wlc_mac80211.h>
#include <wlc_alloc.h>

static wlc_pub_t *wlc_pub_malloc(osl_t * osh, uint unit, uint * err,
				 uint devid);
static void wlc_pub_mfree(osl_t * osh, wlc_pub_t * pub);
static void wlc_tunables_init(wlc_tunables_t * tunables, uint devid);

void *wlc_calloc(osl_t * osh, uint unit, uint size)
{
	void *item;

	if ((item = MALLOC(osh, size)) == NULL)
		WL_ERROR(("wl%d: %s: out of memory, malloced %d bytes\n",
			  unit, __func__, MALLOCED(osh)));
	else
		bzero((char *)item, size);
	return item;
}

void BCMATTACHFN(wlc_tunables_init) (wlc_tunables_t * tunables, uint devid) {
	tunables->ntxd = NTXD;
	tunables->nrxd = NRXD;
	tunables->rxbufsz = RXBUFSZ;
	tunables->nrxbufpost = NRXBUFPOST;
	tunables->maxscb = MAXSCB;
	tunables->ampdunummpdu = AMPDU_NUM_MPDU;
	tunables->maxpktcb = MAXPKTCB;
	tunables->maxucodebss = WLC_MAX_UCODE_BSS;
	tunables->maxucodebss4 = WLC_MAX_UCODE_BSS4;
	tunables->maxbss = MAXBSS;
	tunables->datahiwat = WLC_DATAHIWAT;
	tunables->ampdudatahiwat = WLC_AMPDUDATAHIWAT;
	tunables->rxbnd = RXBND;
	tunables->txsbnd = TXSBND;
#if defined(WLC_HIGH_ONLY) && defined(NTXD_USB_4319)
	if (devid == BCM4319_CHIP_ID) {
		tunables->ntxd = NTXD_USB_4319;
	}
#endif				/* WLC_HIGH_ONLY */
}

static wlc_pub_t *BCMATTACHFN(wlc_pub_malloc) (osl_t * osh, uint unit,
					       uint * err, uint devid) {
	wlc_pub_t *pub;

	if ((pub =
	     (wlc_pub_t *) wlc_calloc(osh, unit, sizeof(wlc_pub_t))) == NULL) {
		*err = 1001;
		goto fail;
	}

	if ((pub->tunables = (wlc_tunables_t *)
	     wlc_calloc(osh, unit, sizeof(wlc_tunables_t))) == NULL) {
		*err = 1028;
		goto fail;
	}

	/* need to init the tunables now */
	wlc_tunables_init(pub->tunables, devid);

	if ((pub->multicast = (struct ether_addr *)
	     wlc_calloc(osh, unit,
			(sizeof(struct ether_addr) * MAXMULTILIST))) == NULL) {
		*err = 1003;
		goto fail;
	}

	return pub;

 fail:
	wlc_pub_mfree(osh, pub);
	return NULL;
}

static void BCMATTACHFN(wlc_pub_mfree) (osl_t * osh, wlc_pub_t * pub) {
	if (pub == NULL)
		return;

	if (pub->multicast)
		MFREE(osh, pub->multicast,
		      (sizeof(struct ether_addr) * MAXMULTILIST));

	if (pub->tunables) {
		MFREE(osh, pub->tunables, sizeof(wlc_tunables_t));
		pub->tunables = NULL;
	}

	MFREE(osh, pub, sizeof(wlc_pub_t));
}

wlc_bsscfg_t *wlc_bsscfg_malloc(osl_t * osh, uint unit)
{
	wlc_bsscfg_t *cfg;

	if ((cfg =
	     (wlc_bsscfg_t *) wlc_calloc(osh, unit,
					 sizeof(wlc_bsscfg_t))) == NULL)
		goto fail;

	if ((cfg->current_bss = (wlc_bss_info_t *)
	     wlc_calloc(osh, unit, sizeof(wlc_bss_info_t))) == NULL)
		goto fail;

	return cfg;

 fail:
	wlc_bsscfg_mfree(osh, cfg);
	return NULL;
}

void wlc_bsscfg_mfree(osl_t * osh, wlc_bsscfg_t * cfg)
{
	if (cfg == NULL)
		return;

	if (cfg->maclist) {
		MFREE(osh, cfg->maclist,
		      (int)(OFFSETOF(struct maclist, ea) +
			    cfg->nmac * ETHER_ADDR_LEN));
		cfg->maclist = NULL;
	}

	if (cfg->current_bss != NULL) {
		wlc_bss_info_t *current_bss = cfg->current_bss;
		if (current_bss->bcn_prb != NULL)
			MFREE(osh, current_bss->bcn_prb,
			      current_bss->bcn_prb_len);
		MFREE(osh, current_bss, sizeof(wlc_bss_info_t));
		cfg->current_bss = NULL;
	}

	MFREE(osh, cfg, sizeof(wlc_bsscfg_t));
}

void wlc_bsscfg_ID_assign(wlc_info_t * wlc, wlc_bsscfg_t * bsscfg)
{
	bsscfg->ID = wlc->next_bsscfg_ID;
	wlc->next_bsscfg_ID++;
}

/*
 * The common driver entry routine. Error codes should be unique
 */
wlc_info_t *BCMATTACHFN(wlc_attach_malloc) (osl_t * osh, uint unit, uint * err,
					    uint devid) {
	wlc_info_t *wlc;

	if ((wlc =
	     (wlc_info_t *) wlc_calloc(osh, unit,
				       sizeof(wlc_info_t))) == NULL) {
		*err = 1002;
		goto fail;
	}

	wlc->hwrxoff = WL_HWRXOFF;

	/* allocate wlc_pub_t state structure */
	if ((wlc->pub = wlc_pub_malloc(osh, unit, err, devid)) == NULL) {
		*err = 1003;
		goto fail;
	}
	wlc->pub->wlc = wlc;

	/* allocate wlc_hw_info_t state structure */

	if ((wlc->hw = (wlc_hw_info_t *)
	     wlc_calloc(osh, unit, sizeof(wlc_hw_info_t))) == NULL) {
		*err = 1005;
		goto fail;
	}
	wlc->hw->wlc = wlc;

#ifdef WLC_LOW
	if ((wlc->hw->bandstate[0] = (wlc_hwband_t *)
	     wlc_calloc(osh, unit, (sizeof(wlc_hwband_t) * MAXBANDS))) == NULL) {
		*err = 1006;
		goto fail;
	} else {
		int i;

		for (i = 1; i < MAXBANDS; i++) {
			wlc->hw->bandstate[i] = (wlc_hwband_t *)
			    ((uintptr) wlc->hw->bandstate[0] +
			     (sizeof(wlc_hwband_t) * i));
		}
	}
#endif				/* WLC_LOW */

	if ((wlc->modulecb = (modulecb_t *)
	     wlc_calloc(osh, unit,
			sizeof(modulecb_t) * WLC_MAXMODULES)) == NULL) {
		*err = 1009;
		goto fail;
	}

	if ((wlc->default_bss = (wlc_bss_info_t *)
	     wlc_calloc(osh, unit, sizeof(wlc_bss_info_t))) == NULL) {
		*err = 1010;
		goto fail;
	}

	if ((wlc->cfg = wlc_bsscfg_malloc(osh, unit)) == NULL) {
		*err = 1011;
		goto fail;
	}
	wlc_bsscfg_ID_assign(wlc, wlc->cfg);

	if ((wlc->pkt_callback = (pkt_cb_t *)
	     wlc_calloc(osh, unit,
			(sizeof(pkt_cb_t) *
			 (wlc->pub->tunables->maxpktcb + 1)))) == NULL) {
		*err = 1013;
		goto fail;
	}

	if ((wlc->wsec_def_keys[0] = (wsec_key_t *)
	     wlc_calloc(osh, unit,
			(sizeof(wsec_key_t) * WLC_DEFAULT_KEYS))) == NULL) {
		*err = 1015;
		goto fail;
	} else {
		int i;
		for (i = 1; i < WLC_DEFAULT_KEYS; i++) {
			wlc->wsec_def_keys[i] = (wsec_key_t *)
			    ((uintptr) wlc->wsec_def_keys[0] +
			     (sizeof(wsec_key_t) * i));
		}
	}

	if ((wlc->protection = (wlc_protection_t *)
	     wlc_calloc(osh, unit, sizeof(wlc_protection_t))) == NULL) {
		*err = 1016;
		goto fail;
	}

	if ((wlc->stf = (wlc_stf_t *)
	     wlc_calloc(osh, unit, sizeof(wlc_stf_t))) == NULL) {
		*err = 1017;
		goto fail;
	}

	if ((wlc->bandstate[0] = (wlcband_t *)
	     wlc_calloc(osh, unit, (sizeof(wlcband_t) * MAXBANDS))) == NULL) {
		*err = 1025;
		goto fail;
	} else {
		int i;

		for (i = 1; i < MAXBANDS; i++) {
			wlc->bandstate[i] =
			    (wlcband_t *) ((uintptr) wlc->bandstate[0] +
					   (sizeof(wlcband_t) * i));
		}
	}

	if ((wlc->corestate = (wlccore_t *)
	     wlc_calloc(osh, unit, sizeof(wlccore_t))) == NULL) {
		*err = 1026;
		goto fail;
	}

	if ((wlc->corestate->macstat_snapshot = (macstat_t *)
	     wlc_calloc(osh, unit, sizeof(macstat_t))) == NULL) {
		*err = 1027;
		goto fail;
	}

	return wlc;

 fail:
	wlc_detach_mfree(wlc, osh);
	return NULL;
}

void BCMATTACHFN(wlc_detach_mfree) (wlc_info_t * wlc, osl_t * osh) {
	if (wlc == NULL)
		return;

	if (wlc->modulecb) {
		MFREE(osh, wlc->modulecb, sizeof(modulecb_t) * WLC_MAXMODULES);
		wlc->modulecb = NULL;
	}

	if (wlc->default_bss) {
		MFREE(osh, wlc->default_bss, sizeof(wlc_bss_info_t));
		wlc->default_bss = NULL;
	}
	if (wlc->cfg) {
		wlc_bsscfg_mfree(osh, wlc->cfg);
		wlc->cfg = NULL;
	}

	if (wlc->pkt_callback && wlc->pub && wlc->pub->tunables) {
		MFREE(osh,
		      wlc->pkt_callback,
		      sizeof(pkt_cb_t) * (wlc->pub->tunables->maxpktcb + 1));
		wlc->pkt_callback = NULL;
	}

	if (wlc->wsec_def_keys[0])
		MFREE(osh, wlc->wsec_def_keys[0],
		      (sizeof(wsec_key_t) * WLC_DEFAULT_KEYS));

	if (wlc->protection) {
		MFREE(osh, wlc->protection, sizeof(wlc_protection_t));
		wlc->protection = NULL;
	}

	if (wlc->stf) {
		MFREE(osh, wlc->stf, sizeof(wlc_stf_t));
		wlc->stf = NULL;
	}

	if (wlc->bandstate[0])
		MFREE(osh, wlc->bandstate[0], (sizeof(wlcband_t) * MAXBANDS));

	if (wlc->corestate) {
		if (wlc->corestate->macstat_snapshot) {
			MFREE(osh, wlc->corestate->macstat_snapshot,
			      sizeof(macstat_t));
			wlc->corestate->macstat_snapshot = NULL;
		}
		MFREE(osh, wlc->corestate, sizeof(wlccore_t));
		wlc->corestate = NULL;
	}

	if (wlc->pub) {
		/* free pub struct */
		wlc_pub_mfree(osh, wlc->pub);
		wlc->pub = NULL;
	}

	if (wlc->hw) {
#ifdef WLC_LOW
		if (wlc->hw->bandstate[0]) {
			MFREE(osh, wlc->hw->bandstate[0],
			      (sizeof(wlc_hwband_t) * MAXBANDS));
			wlc->hw->bandstate[0] = NULL;
		}
#endif

		/* free hw struct */
		MFREE(osh, wlc->hw, sizeof(wlc_hw_info_t));
		wlc->hw = NULL;
	}

	/* free the wlc */
	MFREE(osh, wlc, sizeof(wlc_info_t));
	wlc = NULL;
}
Commit	Line	Data
a9533e7e HP	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	*/
	16
	17	#include <wlc_cfg.h>
	18	#include <typedefs.h>
	19	#include <bcmdefs.h>
	20	#include <osl.h>
	21	#include <bcmutils.h>
	22	#include <siutils.h>
	23	#include <proto/802.11.h>
	24	#include <proto/802.11e.h>
	25	#include <proto/wpa.h>
	26	#include <wlioctl.h>
	27	#include <bcmwpa.h>
	28	#include <d11.h>
	29	#include <wlc_rate.h>
	30	#include <wlc_pub.h>
	31	#include <wlc_key.h>
	32	#include <wlc_bsscfg.h>
	33	#include <wlc_mac80211.h>
	34	#include <wlc_alloc.h>
	35
	36	static wlc_pub_t wlc_pub_malloc(osl_t osh, uint unit, uint * err,
	37	uint devid);
	38	static void wlc_pub_mfree(osl_t * osh, wlc_pub_t * pub);
	39	static void wlc_tunables_init(wlc_tunables_t * tunables, uint devid);
	40
	41	void wlc_calloc(osl_t osh, uint unit, uint size)
	42	{
	43	void *item;
	44
	45	if ((item = MALLOC(osh, size)) == NULL)
	46	WL_ERROR(("wl%d: %s: out of memory, malloced %d bytes\n",
	47	unit, __func__, MALLOCED(osh)));
	48	else
	49	bzero((char *)item, size);
	50	return item;
	51	}
	52
	53	void BCMATTACHFN(wlc_tunables_init) (wlc_tunables_t * tunables, uint devid) {
	54	tunables->ntxd = NTXD;
	55	tunables->nrxd = NRXD;
	56	tunables->rxbufsz = RXBUFSZ;
	57	tunables->nrxbufpost = NRXBUFPOST;
	58	tunables->maxscb = MAXSCB;
	59	tunables->ampdunummpdu = AMPDU_NUM_MPDU;
	60	tunables->maxpktcb = MAXPKTCB;
	61	tunables->maxucodebss = WLC_MAX_UCODE_BSS;
	62	tunables->maxucodebss4 = WLC_MAX_UCODE_BSS4;
	63	tunables->maxbss = MAXBSS;
	64	tunables->datahiwat = WLC_DATAHIWAT;
65	tunables->ampdudatahiwat = WLC_AMPDUDATAHIWAT;
66	tunables->rxbnd = RXBND;
67	tunables->txsbnd = TXSBND;
68	#if defined(WLC_HIGH_ONLY) && defined(NTXD_USB_4319)
69	if (devid == BCM4319_CHIP_ID) {
70	tunables->ntxd = NTXD_USB_4319;
71	}
72	#endif /* WLC_HIGH_ONLY */
73	}
74
75	static wlc_pub_t BCMATTACHFN(wlc_pub_malloc) (osl_t osh, uint unit,
76	uint * err, uint devid) {
77	wlc_pub_t *pub;
78
79	if ((pub =
80	(wlc_pub_t *) wlc_calloc(osh, unit, sizeof(wlc_pub_t))) == NULL) {
81	*err = 1001;
82	goto fail;
83	}
84
85	if ((pub->tunables = (wlc_tunables_t *)
86	wlc_calloc(osh, unit, sizeof(wlc_tunables_t))) == NULL) {
87	*err = 1028;
88	goto fail;
89	}
90
91	/* need to init the tunables now */
92	wlc_tunables_init(pub->tunables, devid);
93
94	if ((pub->multicast = (struct ether_addr *)
95	wlc_calloc(osh, unit,
96	(sizeof(struct ether_addr) * MAXMULTILIST))) == NULL) {
97	*err = 1003;
98	goto fail;
99	}
100
101	return pub;
102
103	fail:
104	wlc_pub_mfree(osh, pub);
105	return NULL;
106	}
107
108	static void BCMATTACHFN(wlc_pub_mfree) (osl_t * osh, wlc_pub_t * pub) {
109	if (pub == NULL)
110	return;
111
112	if (pub->multicast)
113	MFREE(osh, pub->multicast,
114	(sizeof(struct ether_addr) * MAXMULTILIST));
115
116	if (pub->tunables) {
117	MFREE(osh, pub->tunables, sizeof(wlc_tunables_t));
118	pub->tunables = NULL;
119	}
120
121	MFREE(osh, pub, sizeof(wlc_pub_t));
122	}
123
124	wlc_bsscfg_t wlc_bsscfg_malloc(osl_t osh, uint unit)
125	{
126	wlc_bsscfg_t *cfg;
127
128	if ((cfg =
129	(wlc_bsscfg_t *) wlc_calloc(osh, unit,
130	sizeof(wlc_bsscfg_t))) == NULL)
131	goto fail;
132
133	if ((cfg->current_bss = (wlc_bss_info_t *)
134	wlc_calloc(osh, unit, sizeof(wlc_bss_info_t))) == NULL)
135	goto fail;
136
137	return cfg;
138
139	fail:
140	wlc_bsscfg_mfree(osh, cfg);
141	return NULL;
142	}
143
144	void wlc_bsscfg_mfree(osl_t * osh, wlc_bsscfg_t * cfg)
145	{
146	if (cfg == NULL)
147	return;
148
149	if (cfg->maclist) {
150	MFREE(osh, cfg->maclist,
151	(int)(OFFSETOF(struct maclist, ea) +
152	cfg->nmac * ETHER_ADDR_LEN));
153	cfg->maclist = NULL;
154	}
155
156	if (cfg->current_bss != NULL) {
157	wlc_bss_info_t *current_bss = cfg->current_bss;
158	if (current_bss->bcn_prb != NULL)
159	MFREE(osh, current_bss->bcn_prb,
160	current_bss->bcn_prb_len);
161	MFREE(osh, current_bss, sizeof(wlc_bss_info_t));
162	cfg->current_bss = NULL;
163	}
164
165	MFREE(osh, cfg, sizeof(wlc_bsscfg_t));
166	}
167
168	void wlc_bsscfg_ID_assign(wlc_info_t * wlc, wlc_bsscfg_t * bsscfg)
169	{
170	bsscfg->ID = wlc->next_bsscfg_ID;
171	wlc->next_bsscfg_ID++;
172	}
173
174	/*
175	* The common driver entry routine. Error codes should be unique
176	*/
177	wlc_info_t BCMATTACHFN(wlc_attach_malloc) (osl_t osh, uint unit, uint * err,
178	uint devid) {
179	wlc_info_t *wlc;
180
181	if ((wlc =
182	(wlc_info_t *) wlc_calloc(osh, unit,
183	sizeof(wlc_info_t))) == NULL) {
184	*err = 1002;
185	goto fail;
186	}
187
188	wlc->hwrxoff = WL_HWRXOFF;
189
190	/* allocate wlc_pub_t state structure */
191	if ((wlc->pub = wlc_pub_malloc(osh, unit, err, devid)) == NULL) {
192	*err = 1003;
193	goto fail;
194	}
195	wlc->pub->wlc = wlc;
196
197	/* allocate wlc_hw_info_t state structure */
198
199	if ((wlc->hw = (wlc_hw_info_t *)
200	wlc_calloc(osh, unit, sizeof(wlc_hw_info_t))) == NULL) {
201	*err = 1005;
202	goto fail;
203	}
204	wlc->hw->wlc = wlc;
205
206	#ifdef WLC_LOW
207	if ((wlc->hw->bandstate[0] = (wlc_hwband_t *)
208	wlc_calloc(osh, unit, (sizeof(wlc_hwband_t) * MAXBANDS))) == NULL) {
209	*err = 1006;
210	goto fail;
211	} else {
212	int i;
213
214	for (i = 1; i < MAXBANDS; i++) {
215	wlc->hw->bandstate[i] = (wlc_hwband_t *)
216	((uintptr) wlc->hw->bandstate[0] +
217	(sizeof(wlc_hwband_t) * i));
218	}
219	}
220	#endif /* WLC_LOW */
221
222	if ((wlc->modulecb = (modulecb_t *)
223	wlc_calloc(osh, unit,
224	sizeof(modulecb_t) * WLC_MAXMODULES)) == NULL) {
225	*err = 1009;
226	goto fail;
227	}
228
229	if ((wlc->default_bss = (wlc_bss_info_t *)
230	wlc_calloc(osh, unit, sizeof(wlc_bss_info_t))) == NULL) {
231	*err = 1010;
232	goto fail;
233	}
234
235	if ((wlc->cfg = wlc_bsscfg_malloc(osh, unit)) == NULL) {
236	*err = 1011;
237	goto fail;
238	}
239	wlc_bsscfg_ID_assign(wlc, wlc->cfg);
240
241	if ((wlc->pkt_callback = (pkt_cb_t *)
242	wlc_calloc(osh, unit,
243	(sizeof(pkt_cb_t) *
244	(wlc->pub->tunables->maxpktcb + 1)))) == NULL) {
245	*err = 1013;
246	goto fail;
247	}
248
249	if ((wlc->wsec_def_keys[0] = (wsec_key_t *)
250	wlc_calloc(osh, unit,
251	(sizeof(wsec_key_t) * WLC_DEFAULT_KEYS))) == NULL) {
252	*err = 1015;
253	goto fail;
254	} else {
255	int i;
256	for (i = 1; i < WLC_DEFAULT_KEYS; i++) {
257	wlc->wsec_def_keys[i] = (wsec_key_t *)
258	((uintptr) wlc->wsec_def_keys[0] +
259	(sizeof(wsec_key_t) * i));
260	}
261	}
262
263	if ((wlc->protection = (wlc_protection_t *)
264	wlc_calloc(osh, unit, sizeof(wlc_protection_t))) == NULL) {
265	*err = 1016;
266	goto fail;
267	}
268
269	if ((wlc->stf = (wlc_stf_t *)
270	wlc_calloc(osh, unit, sizeof(wlc_stf_t))) == NULL) {
271	*err = 1017;
272	goto fail;
273	}
274
275	if ((wlc->bandstate[0] = (wlcband_t *)
276	wlc_calloc(osh, unit, (sizeof(wlcband_t) * MAXBANDS))) == NULL) {
277	*err = 1025;
278	goto fail;
279	} else {
280	int i;
281
282	for (i = 1; i < MAXBANDS; i++) {
283	wlc->bandstate[i] =
284	(wlcband_t *) ((uintptr) wlc->bandstate[0] +
285	(sizeof(wlcband_t) * i));
286	}
287	}
288
289	if ((wlc->corestate = (wlccore_t *)
290	wlc_calloc(osh, unit, sizeof(wlccore_t))) == NULL) {
291	*err = 1026;
292	goto fail;
293	}
294
295	if ((wlc->corestate->macstat_snapshot = (macstat_t *)
296	wlc_calloc(osh, unit, sizeof(macstat_t))) == NULL) {
297	*err = 1027;
298	goto fail;
299	}
300
301	return wlc;
302
303	fail:
304	wlc_detach_mfree(wlc, osh);
305	return NULL;
306	}
307
308	void BCMATTACHFN(wlc_detach_mfree) (wlc_info_t * wlc, osl_t * osh) {
309	if (wlc == NULL)
310	return;
311
312	if (wlc->modulecb) {
313	MFREE(osh, wlc->modulecb, sizeof(modulecb_t) * WLC_MAXMODULES);
314	wlc->modulecb = NULL;
315	}
316
317	if (wlc->default_bss) {
318	MFREE(osh, wlc->default_bss, sizeof(wlc_bss_info_t));
319	wlc->default_bss = NULL;
320	}
321	if (wlc->cfg) {
322	wlc_bsscfg_mfree(osh, wlc->cfg);
323	wlc->cfg = NULL;
324	}
325
326	if (wlc->pkt_callback && wlc->pub && wlc->pub->tunables) {
327	MFREE(osh,
328	wlc->pkt_callback,
329	sizeof(pkt_cb_t) * (wlc->pub->tunables->maxpktcb + 1));
330	wlc->pkt_callback = NULL;
331	}
332
333	if (wlc->wsec_def_keys[0])
334	MFREE(osh, wlc->wsec_def_keys[0],
335	(sizeof(wsec_key_t) * WLC_DEFAULT_KEYS));
336
337	if (wlc->protection) {
338	MFREE(osh, wlc->protection, sizeof(wlc_protection_t));
339	wlc->protection = NULL;
340	}
341
342	if (wlc->stf) {
343	MFREE(osh, wlc->stf, sizeof(wlc_stf_t));
344	wlc->stf = NULL;
345	}
346
347	if (wlc->bandstate[0])
348	MFREE(osh, wlc->bandstate[0], (sizeof(wlcband_t) * MAXBANDS));
349
350	if (wlc->corestate) {
351	if (wlc->corestate->macstat_snapshot) {
352	MFREE(osh, wlc->corestate->macstat_snapshot,
353	sizeof(macstat_t));
354	wlc->corestate->macstat_snapshot = NULL;
355	}
356	MFREE(osh, wlc->corestate, sizeof(wlccore_t));
357	wlc->corestate = NULL;
358	}
359
360	if (wlc->pub) {
361	/* free pub struct */
362	wlc_pub_mfree(osh, wlc->pub);
363	wlc->pub = NULL;
364	}
365
366	if (wlc->hw) {
367	#ifdef WLC_LOW
368	if (wlc->hw->bandstate[0]) {
369	MFREE(osh, wlc->hw->bandstate[0],
370	(sizeof(wlc_hwband_t) * MAXBANDS));
371	wlc->hw->bandstate[0] = NULL;
372	}
373	#endif
374
375	/* free hw struct */
376	MFREE(osh, wlc->hw, sizeof(wlc_hw_info_t));
377	wlc->hw = NULL;
378	}
379
380	/* free the wlc */
381	MFREE(osh, wlc, sizeof(wlc_info_t));
382	wlc = NULL;
383	}