projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 85b84133 HM |
1 | /* |
| 2 | * Copyright (c) 2013 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 | ||
| 18 | #include <linux/types.h> | |
| 19 | #include <linux/slab.h> | |
| 20 | #include <linux/netdevice.h> | |
| 21 | ||
| 22 | #include <brcmu_wifi.h> | |
| 23 | #include "dhd.h" | |
| 24 | #include "dhd_dbg.h" | |
| 25 | #include "proto.h" | |
| 26 | #include "bcdc.h" | |
| 27 | ||
| 28 | ||
| 29 | int brcmf_proto_attach(struct brcmf_pub *drvr) | |
| 30 | { | |
| 31 | struct brcmf_proto *proto; | |
| 32 | ||
| 33 | proto = kzalloc(sizeof(*proto), GFP_ATOMIC); | |
| 34 | if (!proto) | |
| 35 | goto fail; | |
| 36 | ||
| 37 | drvr->proto = proto; | |
| 38 | /* BCDC protocol is only protocol supported for the moment */ | |
| 39 | if (brcmf_proto_bcdc_attach(drvr)) | |
| 40 | goto fail; | |
| 41 | ||
| 42 | if ((proto->hdrpush == NULL) || (proto->hdrpull == NULL) || | |
| 43 | (proto->query_dcmd == NULL) || (proto->set_dcmd == NULL)) { | |
| 44 | brcmf_err("Not all proto handlers have been installed\n"); | |
| 45 | goto fail; | |
| 46 | } | |
| 47 | return 0; | |
| 48 | ||
| 49 | fail: | |
| 50 | kfree(proto); | |
| 51 | drvr->proto = NULL; | |
| 52 | return -ENOMEM; | |
| 53 | } | |
| 54 | ||
| 55 | void brcmf_proto_detach(struct brcmf_pub *drvr) | |
| 56 | { | |
| 57 | if (drvr->proto) { | |
| 58 | brcmf_proto_bcdc_detach(drvr); | |
| 59 | kfree(drvr->proto); | |
| 60 | drvr->proto = NULL; | |
| 61 | } | |
| 62 | } |