82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
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/*
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* Copyright (c) 2013 Broadcom Corporation
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <linux/types.h>
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#include <linux/slab.h>
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#include <linux/netdevice.h>
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#include <brcmu_wifi.h>
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#include "dhd.h"
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#include "dhd_bus.h"
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#include "dhd_dbg.h"
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#include "proto.h"
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#include "bcdc.h"
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#include "msgbuf.h"
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int brcmf_proto_attach(struct brcmf_pub *drvr)
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{
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struct brcmf_proto *proto;
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brcmf_dbg(TRACE, "Enter\n");
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proto = kzalloc(sizeof(*proto), GFP_ATOMIC);
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if (!proto)
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goto fail;
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drvr->proto = proto;
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if (drvr->bus_if->proto_type == BRCMF_PROTO_BCDC) {
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if (brcmf_proto_bcdc_attach(drvr))
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goto fail;
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} else if (drvr->bus_if->proto_type == BRCMF_PROTO_MSGBUF) {
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if (brcmf_proto_msgbuf_attach(drvr))
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goto fail;
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} else {
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brcmf_err("Unsupported proto type %d\n",
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drvr->bus_if->proto_type);
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goto fail;
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}
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if ((proto->txdata == NULL) || (proto->hdrpull == NULL) ||
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(proto->query_dcmd == NULL) || (proto->set_dcmd == NULL) ||
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(proto->configure_addr_mode == NULL) ||
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(proto->delete_peer == NULL) || (proto->add_tdls_peer == NULL)) {
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brcmf_err("Not all proto handlers have been installed\n");
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goto fail;
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}
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return 0;
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fail:
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kfree(proto);
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drvr->proto = NULL;
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return -ENOMEM;
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}
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void brcmf_proto_detach(struct brcmf_pub *drvr)
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{
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brcmf_dbg(TRACE, "Enter\n");
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if (drvr->proto) {
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if (drvr->bus_if->proto_type == BRCMF_PROTO_BCDC)
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brcmf_proto_bcdc_detach(drvr);
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else if (drvr->bus_if->proto_type == BRCMF_PROTO_MSGBUF)
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brcmf_proto_msgbuf_detach(drvr);
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kfree(drvr->proto);
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drvr->proto = NULL;
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}
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}
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