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/*
* Copyright (c) 2013 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/types.h>
#include <linux/slab.h>
#include <linux/netdevice.h>
#include <brcmu_wifi.h>
#include "dhd.h"
#include "dhd_bus.h"
#include "dhd_dbg.h"
#include "proto.h"
#include "bcdc.h"
#include "msgbuf.h"
int brcmf_proto_attach(struct brcmf_pub *drvr)
{
struct brcmf_proto *proto;
brcmf_dbg(TRACE, "Enter\n");
proto = kzalloc(sizeof(*proto), GFP_ATOMIC);
if (!proto)
goto fail;
drvr->proto = proto;
if (drvr->bus_if->proto_type == BRCMF_PROTO_BCDC) {
if (brcmf_proto_bcdc_attach(drvr))
goto fail;
} else if (drvr->bus_if->proto_type == BRCMF_PROTO_MSGBUF) {
if (brcmf_proto_msgbuf_attach(drvr))
goto fail;
} else {
brcmf_err("Unsupported proto type %d\n",
drvr->bus_if->proto_type);
goto fail;
}
if ((proto->txdata == NULL) || (proto->hdrpull == NULL) ||
(proto->query_dcmd == NULL) || (proto->set_dcmd == NULL) ||
(proto->configure_addr_mode == NULL) ||
(proto->delete_peer == NULL) || (proto->add_tdls_peer == NULL)) {
brcmf_err("Not all proto handlers have been installed\n");
goto fail;
}
return 0;
fail:
kfree(proto);
drvr->proto = NULL;
return -ENOMEM;
}
void brcmf_proto_detach(struct brcmf_pub *drvr)
{
brcmf_dbg(TRACE, "Enter\n");
if (drvr->proto) {
if (drvr->bus_if->proto_type == BRCMF_PROTO_BCDC)
brcmf_proto_bcdc_detach(drvr);
else if (drvr->bus_if->proto_type == BRCMF_PROTO_MSGBUF)
brcmf_proto_msgbuf_detach(drvr);
kfree(drvr->proto);
drvr->proto = NULL;
}
}
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