diff options
Diffstat (limited to 'drivers/staging/brcm80211/brcmsmac/alloc.c')
-rw-r--r-- | drivers/staging/brcm80211/brcmsmac/alloc.c | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/drivers/staging/brcm80211/brcmsmac/alloc.c b/drivers/staging/brcm80211/brcmsmac/alloc.c new file mode 100644 index 000000000000..7f8dd7b396bf --- /dev/null +++ b/drivers/staging/brcm80211/brcmsmac/alloc.c @@ -0,0 +1,275 @@ +/* + * 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 <brcmu_utils.h> +#include "types.h" +#include "pub.h" +#include "main.h" +#include "alloc.h" + +static struct brcms_bss_cfg *brcms_c_bsscfg_malloc(uint unit); +static void brcms_c_bsscfg_mfree(struct brcms_bss_cfg *cfg); +static struct brcms_pub *brcms_c_pub_malloc(uint unit, + uint *err, uint devid); +static void brcms_c_pub_mfree(struct brcms_pub *pub); +static void brcms_c_tunables_init(struct brcms_tunables *tunables, uint devid); + +static void brcms_c_tunables_init(struct brcms_tunables *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 = BRCMS_MAX_UCODE_BSS; + tunables->maxucodebss4 = BRCMS_MAX_UCODE_BSS4; + tunables->maxbss = MAXBSS; + tunables->datahiwat = BRCMS_DATAHIWAT; + tunables->ampdudatahiwat = BRCMS_AMPDUDATAHIWAT; + tunables->rxbnd = RXBND; + tunables->txsbnd = TXSBND; +} + +static struct brcms_pub *brcms_c_pub_malloc(uint unit, uint *err, uint devid) +{ + struct brcms_pub *pub; + + pub = kzalloc(sizeof(struct brcms_pub), GFP_ATOMIC); + if (pub == NULL) { + *err = 1001; + goto fail; + } + + pub->tunables = kzalloc(sizeof(struct brcms_tunables), GFP_ATOMIC); + if (pub->tunables == NULL) { + *err = 1028; + goto fail; + } + + /* need to init the tunables now */ + brcms_c_tunables_init(pub->tunables, devid); + + pub->multicast = kzalloc(ETH_ALEN * MAXMULTILIST, GFP_ATOMIC); + if (pub->multicast == NULL) { + *err = 1003; + goto fail; + } + + return pub; + + fail: + brcms_c_pub_mfree(pub); + return NULL; +} + +static void brcms_c_pub_mfree(struct brcms_pub *pub) +{ + if (pub == NULL) + return; + + kfree(pub->multicast); + kfree(pub->tunables); + kfree(pub); +} + +static struct brcms_bss_cfg *brcms_c_bsscfg_malloc(uint unit) +{ + struct brcms_bss_cfg *cfg; + + cfg = kzalloc(sizeof(struct brcms_bss_cfg), GFP_ATOMIC); + if (cfg == NULL) + goto fail; + + cfg->current_bss = kzalloc(sizeof(struct brcms_bss_info), GFP_ATOMIC); + if (cfg->current_bss == NULL) + goto fail; + + return cfg; + + fail: + brcms_c_bsscfg_mfree(cfg); + return NULL; +} + +static void brcms_c_bsscfg_mfree(struct brcms_bss_cfg *cfg) +{ + if (cfg == NULL) + return; + + kfree(cfg->maclist); + kfree(cfg->current_bss); + kfree(cfg); +} + +static void brcms_c_bsscfg_ID_assign(struct brcms_c_info *wlc, + struct brcms_bss_cfg *bsscfg) +{ + bsscfg->ID = wlc->next_bsscfg_ID; + wlc->next_bsscfg_ID++; +} + +/* + * The common driver entry routine. Error codes should be unique + */ +struct brcms_c_info *brcms_c_attach_malloc(uint unit, uint *err, uint devid) +{ + struct brcms_c_info *wlc; + + wlc = kzalloc(sizeof(struct brcms_c_info), GFP_ATOMIC); + if (wlc == NULL) { + *err = 1002; + goto fail; + } + + /* allocate struct brcms_c_pub state structure */ + wlc->pub = brcms_c_pub_malloc(unit, err, devid); + if (wlc->pub == NULL) { + *err = 1003; + goto fail; + } + wlc->pub->wlc = wlc; + + /* allocate struct brcms_hardware state structure */ + + wlc->hw = kzalloc(sizeof(struct brcms_hardware), GFP_ATOMIC); + if (wlc->hw == NULL) { + *err = 1005; + goto fail; + } + wlc->hw->wlc = wlc; + + wlc->hw->bandstate[0] = + kzalloc(sizeof(struct brcms_hw_band) * MAXBANDS, GFP_ATOMIC); + if (wlc->hw->bandstate[0] == NULL) { + *err = 1006; + goto fail; + } else { + int i; + + for (i = 1; i < MAXBANDS; i++) { + wlc->hw->bandstate[i] = (struct brcms_hw_band *) + ((unsigned long)wlc->hw->bandstate[0] + + (sizeof(struct brcms_hw_band) * i)); + } + } + + wlc->modulecb = + kzalloc(sizeof(struct modulecb) * BRCMS_MAXMODULES, GFP_ATOMIC); + if (wlc->modulecb == NULL) { + *err = 1009; + goto fail; + } + + wlc->default_bss = kzalloc(sizeof(struct brcms_bss_info), GFP_ATOMIC); + if (wlc->default_bss == NULL) { + *err = 1010; + goto fail; + } + + wlc->cfg = brcms_c_bsscfg_malloc(unit); + if (wlc->cfg == NULL) { + *err = 1011; + goto fail; + } + brcms_c_bsscfg_ID_assign(wlc, wlc->cfg); + + wlc->wsec_def_keys[0] = + kzalloc(sizeof(struct wsec_key) * BRCMS_DEFAULT_KEYS, + GFP_ATOMIC); + if (wlc->wsec_def_keys[0] == NULL) { + *err = 1015; + goto fail; + } else { + int i; + for (i = 1; i < BRCMS_DEFAULT_KEYS; i++) { + wlc->wsec_def_keys[i] = (struct wsec_key *) + ((unsigned long)wlc->wsec_def_keys[0] + + (sizeof(struct wsec_key) * i)); + } + } + + wlc->protection = kzalloc(sizeof(struct brcms_protection), + GFP_ATOMIC); + if (wlc->protection == NULL) { + *err = 1016; + goto fail; + } + + wlc->stf = kzalloc(sizeof(struct brcms_stf), GFP_ATOMIC); + if (wlc->stf == NULL) { + *err = 1017; + goto fail; + } + + wlc->bandstate[0] = + kzalloc(sizeof(struct brcms_band)*MAXBANDS, GFP_ATOMIC); + if (wlc->bandstate[0] == NULL) { + *err = 1025; + goto fail; + } else { + int i; + + for (i = 1; i < MAXBANDS; i++) { + wlc->bandstate[i] = (struct brcms_band *) + ((unsigned long)wlc->bandstate[0] + + (sizeof(struct brcms_band)*i)); + } + } + + wlc->corestate = kzalloc(sizeof(struct brcms_core), GFP_ATOMIC); + if (wlc->corestate == NULL) { + *err = 1026; + goto fail; + } + + wlc->corestate->macstat_snapshot = + kzalloc(sizeof(struct macstat), GFP_ATOMIC); + if (wlc->corestate->macstat_snapshot == NULL) { + *err = 1027; + goto fail; + } + + return wlc; + + fail: + brcms_c_detach_mfree(wlc); + return NULL; +} + +void brcms_c_detach_mfree(struct brcms_c_info *wlc) +{ + if (wlc == NULL) + return; + + brcms_c_bsscfg_mfree(wlc->cfg); + brcms_c_pub_mfree(wlc->pub); + kfree(wlc->modulecb); + kfree(wlc->default_bss); + kfree(wlc->wsec_def_keys[0]); + kfree(wlc->protection); + kfree(wlc->stf); + kfree(wlc->bandstate[0]); + kfree(wlc->corestate->macstat_snapshot); + kfree(wlc->corestate); + kfree(wlc->hw->bandstate[0]); + kfree(wlc->hw); + + /* free the wlc */ + kfree(wlc); + wlc = NULL; +} |