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author | Greg Kroah-Hartman <gregkh@suse.de> | 2010-10-28 09:44:56 -0700 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-10-28 09:44:56 -0700 |
commit | e4c5bf8e3dca827a1b3a6fac494eae8c74b7e1e7 (patch) | |
tree | ea51b391f7d74ca695dcb9f5e46eb02688a92ed9 /drivers/staging/brcm80211/sys/wlc_alloc.c | |
parent | 81280572ca6f54009edfa4deee563e8678784218 (diff) | |
parent | a4ac0d847af9dd34d5953a5e264400326144b6b2 (diff) | |
download | op-kernel-dev-e4c5bf8e3dca827a1b3a6fac494eae8c74b7e1e7.zip op-kernel-dev-e4c5bf8e3dca827a1b3a6fac494eae8c74b7e1e7.tar.gz |
Merge 'staging-next' to Linus's tree
This merges the staging-next tree to Linus's tree and resolves
some conflicts that were present due to changes in other trees that were
affected by files here.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/brcm80211/sys/wlc_alloc.c')
-rw-r--r-- | drivers/staging/brcm80211/sys/wlc_alloc.c | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/drivers/staging/brcm80211/sys/wlc_alloc.c b/drivers/staging/brcm80211/sys/wlc_alloc.c new file mode 100644 index 0000000..2dc89f9 --- /dev/null +++ b/drivers/staging/brcm80211/sys/wlc_alloc.c @@ -0,0 +1,373 @@ +/* + * 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 <bcmdefs.h> +#include <wlc_cfg.h> +#include <linuxver.h> +#include <osl.h> +#include <bcmutils.h> +#include <siutils.h> +#include <wlioctl.h> +#include <wlc_pub.h> +#include <wlc_key.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; + + item = kzalloc(size, GFP_ATOMIC); + if (item == NULL) + WL_ERROR(("wl%d: %s: out of memory\n", unit, __func__)); + return item; +} + +void 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 *wlc_pub_malloc(osl_t *osh, uint unit, uint *err, uint devid) +{ + wlc_pub_t *pub; + + pub = (wlc_pub_t *) wlc_calloc(osh, unit, sizeof(wlc_pub_t)); + if (pub == NULL) { + *err = 1001; + goto fail; + } + + pub->tunables = (wlc_tunables_t *)wlc_calloc(osh, unit, + sizeof(wlc_tunables_t)); + if (pub->tunables == NULL) { + *err = 1028; + goto fail; + } + + /* need to init the tunables now */ + wlc_tunables_init(pub->tunables, devid); + + pub->multicast = (struct ether_addr *)wlc_calloc(osh, unit, + (sizeof(struct ether_addr) * MAXMULTILIST)); + if (pub->multicast == NULL) { + *err = 1003; + goto fail; + } + + return pub; + + fail: + wlc_pub_mfree(osh, pub); + return NULL; +} + +static void wlc_pub_mfree(osl_t *osh, wlc_pub_t *pub) +{ + if (pub == NULL) + return; + + if (pub->multicast) + kfree(pub->multicast); + if (pub->tunables) { + kfree(pub->tunables); + pub->tunables = NULL; + } + + kfree(pub); +} + +wlc_bsscfg_t *wlc_bsscfg_malloc(osl_t *osh, uint unit) +{ + wlc_bsscfg_t *cfg; + + cfg = (wlc_bsscfg_t *) wlc_calloc(osh, unit, sizeof(wlc_bsscfg_t)); + if (cfg == NULL) + goto fail; + + cfg->current_bss = (wlc_bss_info_t *)wlc_calloc(osh, unit, + sizeof(wlc_bss_info_t)); + if (cfg->current_bss == 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) { + kfree(cfg->maclist); + cfg->maclist = NULL; + } + + if (cfg->current_bss != NULL) { + wlc_bss_info_t *current_bss = cfg->current_bss; + if (current_bss->bcn_prb != NULL) + kfree(current_bss->bcn_prb); + kfree(current_bss); + cfg->current_bss = NULL; + } + + kfree(cfg); +} + +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 *wlc_attach_malloc(osl_t *osh, uint unit, uint *err, uint devid) +{ + wlc_info_t *wlc; + + wlc = (wlc_info_t *) wlc_calloc(osh, unit, sizeof(wlc_info_t)); + if (wlc == NULL) { + *err = 1002; + goto fail; + } + + wlc->hwrxoff = WL_HWRXOFF; + + /* allocate wlc_pub_t state structure */ + wlc->pub = wlc_pub_malloc(osh, unit, err, devid); + if (wlc->pub == NULL) { + *err = 1003; + goto fail; + } + wlc->pub->wlc = wlc; + + /* allocate wlc_hw_info_t state structure */ + + wlc->hw = (wlc_hw_info_t *)wlc_calloc(osh, unit, + sizeof(wlc_hw_info_t)); + if (wlc->hw == NULL) { + *err = 1005; + goto fail; + } + wlc->hw->wlc = wlc; + +#ifdef WLC_LOW + wlc->hw->bandstate[0] = (wlc_hwband_t *)wlc_calloc(osh, unit, + (sizeof(wlc_hwband_t) * MAXBANDS)); + if (wlc->hw->bandstate[0] == NULL) { + *err = 1006; + goto fail; + } else { + int i; + + for (i = 1; i < MAXBANDS; i++) { + wlc->hw->bandstate[i] = (wlc_hwband_t *) + ((unsigned long)wlc->hw->bandstate[0] + + (sizeof(wlc_hwband_t) * i)); + } + } +#endif /* WLC_LOW */ + + wlc->modulecb = (modulecb_t *)wlc_calloc(osh, unit, + sizeof(modulecb_t) * WLC_MAXMODULES); + if (wlc->modulecb == NULL) { + *err = 1009; + goto fail; + } + + wlc->default_bss = (wlc_bss_info_t *)wlc_calloc(osh, unit, + sizeof(wlc_bss_info_t)); + if (wlc->default_bss == NULL) { + *err = 1010; + goto fail; + } + + wlc->cfg = wlc_bsscfg_malloc(osh, unit); + if (wlc->cfg == NULL) { + *err = 1011; + goto fail; + } + wlc_bsscfg_ID_assign(wlc, wlc->cfg); + + wlc->pkt_callback = (pkt_cb_t *)wlc_calloc(osh, unit, + (sizeof(pkt_cb_t) * (wlc->pub->tunables->maxpktcb + 1))); + if (wlc->pkt_callback == NULL) { + *err = 1013; + goto fail; + } + + wlc->wsec_def_keys[0] = (wsec_key_t *)wlc_calloc(osh, unit, + (sizeof(wsec_key_t) * WLC_DEFAULT_KEYS)); + if (wlc->wsec_def_keys[0] == NULL) { + *err = 1015; + goto fail; + } else { + int i; + for (i = 1; i < WLC_DEFAULT_KEYS; i++) { + wlc->wsec_def_keys[i] = (wsec_key_t *) + ((unsigned long)wlc->wsec_def_keys[0] + + (sizeof(wsec_key_t) * i)); + } + } + + wlc->protection = (wlc_protection_t *)wlc_calloc(osh, unit, + sizeof(wlc_protection_t)); + if (wlc->protection == NULL) { + *err = 1016; + goto fail; + } + + wlc->stf = (wlc_stf_t *)wlc_calloc(osh, unit, sizeof(wlc_stf_t)); + if (wlc->stf == NULL) { + *err = 1017; + goto fail; + } + + wlc->bandstate[0] = (wlcband_t *)wlc_calloc(osh, unit, + (sizeof(wlcband_t) * MAXBANDS)); + if (wlc->bandstate[0] == NULL) { + *err = 1025; + goto fail; + } else { + int i; + + for (i = 1; i < MAXBANDS; i++) { + wlc->bandstate[i] = + (wlcband_t *) ((unsigned long)wlc->bandstate[0] + + (sizeof(wlcband_t) * i)); + } + } + + wlc->corestate = (wlccore_t *)wlc_calloc(osh, unit, sizeof(wlccore_t)); + if (wlc->corestate == NULL) { + *err = 1026; + goto fail; + } + + wlc->corestate->macstat_snapshot = + (macstat_t *)wlc_calloc(osh, unit, sizeof(macstat_t)); + if (wlc->corestate->macstat_snapshot == NULL) { + *err = 1027; + goto fail; + } + + return wlc; + + fail: + wlc_detach_mfree(wlc, osh); + return NULL; +} + +void wlc_detach_mfree(wlc_info_t *wlc, osl_t *osh) +{ + if (wlc == NULL) + return; + + if (wlc->modulecb) { + kfree(wlc->modulecb); + wlc->modulecb = NULL; + } + + if (wlc->default_bss) { + kfree(wlc->default_bss); + 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) { + kfree(wlc->pkt_callback); + wlc->pkt_callback = NULL; + } + + if (wlc->wsec_def_keys[0]) + kfree(wlc->wsec_def_keys[0]); + if (wlc->protection) { + kfree(wlc->protection); + wlc->protection = NULL; + } + + if (wlc->stf) { + kfree(wlc->stf); + wlc->stf = NULL; + } + + if (wlc->bandstate[0]) + kfree(wlc->bandstate[0]); + + if (wlc->corestate) { + if (wlc->corestate->macstat_snapshot) { + kfree(wlc->corestate->macstat_snapshot); wlc->corestate->macstat_snapshot = NULL; + } + kfree(wlc->corestate); + 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]) { + kfree(wlc->hw->bandstate[0]); + wlc->hw->bandstate[0] = NULL; + } +#endif + + /* free hw struct */ + kfree(wlc->hw); + wlc->hw = NULL; + } + + /* free the wlc */ + kfree(wlc); + wlc = NULL; +} |