diff options
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.c')
-rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.c new file mode 100644 index 000000000000..26b68c367f57 --- /dev/null +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.c @@ -0,0 +1,81 @@ +/* + * 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 { + 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; + } +} |