| 1 | // SPDX-License-Identifier: ISC |
|---|---|
| 2 | /* |
| 3 | * Copyright (c) 2013 Broadcom Corporation |
| 4 | */ |
| 5 | |
| 6 | |
| 7 | #include <linux/types.h> |
| 8 | #include <linux/slab.h> |
| 9 | #include <linux/netdevice.h> |
| 10 | |
| 11 | #include <brcmu_wifi.h> |
| 12 | #include "core.h" |
| 13 | #include "bus.h" |
| 14 | #include "debug.h" |
| 15 | #include "proto.h" |
| 16 | #include "bcdc.h" |
| 17 | #include "msgbuf.h" |
| 18 | |
| 19 | |
| 20 | int brcmf_proto_attach(struct brcmf_pub *drvr) |
| 21 | { |
| 22 | struct brcmf_proto *proto; |
| 23 | |
| 24 | brcmf_dbg(TRACE, "Enter\n"); |
| 25 | |
| 26 | proto = kzalloc(sizeof(*proto), GFP_ATOMIC); |
| 27 | if (!proto) |
| 28 | goto fail; |
| 29 | |
| 30 | drvr->proto = proto; |
| 31 | |
| 32 | if (drvr->bus_if->proto_type == BRCMF_PROTO_BCDC) { |
| 33 | if (brcmf_proto_bcdc_attach(drvr)) |
| 34 | goto fail; |
| 35 | } else if (drvr->bus_if->proto_type == BRCMF_PROTO_MSGBUF) { |
| 36 | if (brcmf_proto_msgbuf_attach(drvr)) |
| 37 | goto fail; |
| 38 | } else { |
| 39 | bphy_err(drvr, "Unsupported proto type %d\n", |
| 40 | drvr->bus_if->proto_type); |
| 41 | goto fail; |
| 42 | } |
| 43 | if (!proto->tx_queue_data || (proto->hdrpull == NULL) || |
| 44 | (proto->query_dcmd == NULL) || (proto->set_dcmd == NULL) || |
| 45 | (proto->configure_addr_mode == NULL) || |
| 46 | (proto->delete_peer == NULL) || (proto->add_tdls_peer == NULL) || |
| 47 | (proto->debugfs_create == NULL)) { |
| 48 | bphy_err(drvr, "Not all proto handlers have been installed\n"); |
| 49 | goto fail; |
| 50 | } |
| 51 | return 0; |
| 52 | |
| 53 | fail: |
| 54 | kfree(objp: proto); |
| 55 | drvr->proto = NULL; |
| 56 | return -ENOMEM; |
| 57 | } |
| 58 | |
| 59 | void brcmf_proto_detach(struct brcmf_pub *drvr) |
| 60 | { |
| 61 | brcmf_dbg(TRACE, "Enter\n"); |
| 62 | |
| 63 | if (drvr->proto) { |
| 64 | if (drvr->bus_if->proto_type == BRCMF_PROTO_BCDC) |
| 65 | brcmf_proto_bcdc_detach(drvr); |
| 66 | else if (drvr->bus_if->proto_type == BRCMF_PROTO_MSGBUF) |
| 67 | brcmf_proto_msgbuf_detach(drvr); |
| 68 | kfree(objp: drvr->proto); |
| 69 | drvr->proto = NULL; |
| 70 | } |
| 71 | } |
| 72 |