| /* |
| * 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; |
| } |