/* * 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 "core.h" #include "bus.h" #include "debug.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 { bphy_err(drvr, "Unsupported proto type %d\n", drvr->bus_if->proto_type); goto fail; } if (!proto->tx_queue_data || (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) || (proto->debugfs_create == NULL)) { bphy_err(drvr, "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; } }