533 lines
12 KiB
C
533 lines
12 KiB
C
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// SPDX-License-Identifier: ISC
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/*
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* Copyright (c) 2012 Broadcom Corporation
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*/
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/* FWIL is the Firmware Interface Layer. In this module the support functions
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* are located to set and get variables to and from the firmware.
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*/
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#include <linux/kernel.h>
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#include <linux/netdevice.h>
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#include <brcmu_utils.h>
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#include <brcmu_wifi.h>
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#include "core.h"
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#include "bus.h"
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#include "debug.h"
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#include "tracepoint.h"
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#include "xtlv.h"
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#include "fwil.h"
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#include "proto.h"
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#define MAX_HEX_DUMP_LEN 64
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#ifdef DEBUG
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static const char * const brcmf_fil_errstr[] = {
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"BCME_OK",
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"BCME_ERROR",
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"BCME_BADARG",
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"BCME_BADOPTION",
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"BCME_NOTUP",
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"BCME_NOTDOWN",
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"BCME_NOTAP",
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"BCME_NOTSTA",
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"BCME_BADKEYIDX",
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"BCME_RADIOOFF",
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"BCME_NOTBANDLOCKED",
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"BCME_NOCLK",
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"BCME_BADRATESET",
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"BCME_BADBAND",
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"BCME_BUFTOOSHORT",
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"BCME_BUFTOOLONG",
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"BCME_BUSY",
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"BCME_NOTASSOCIATED",
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"BCME_BADSSIDLEN",
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"BCME_OUTOFRANGECHAN",
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"BCME_BADCHAN",
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"BCME_BADADDR",
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"BCME_NORESOURCE",
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"BCME_UNSUPPORTED",
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"BCME_BADLEN",
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"BCME_NOTREADY",
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"BCME_EPERM",
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"BCME_NOMEM",
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"BCME_ASSOCIATED",
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"BCME_RANGE",
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"BCME_NOTFOUND",
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"BCME_WME_NOT_ENABLED",
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"BCME_TSPEC_NOTFOUND",
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"BCME_ACM_NOTSUPPORTED",
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"BCME_NOT_WME_ASSOCIATION",
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"BCME_SDIO_ERROR",
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"BCME_DONGLE_DOWN",
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"BCME_VERSION",
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"BCME_TXFAIL",
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"BCME_RXFAIL",
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"BCME_NODEVICE",
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"BCME_NMODE_DISABLED",
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"BCME_NONRESIDENT",
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"BCME_SCANREJECT",
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"BCME_USAGE_ERROR",
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"BCME_IOCTL_ERROR",
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"BCME_SERIAL_PORT_ERR",
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"BCME_DISABLED",
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"BCME_DECERR",
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"BCME_ENCERR",
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"BCME_MICERR",
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"BCME_REPLAY",
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"BCME_IE_NOTFOUND",
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};
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static const char *brcmf_fil_get_errstr(u32 err)
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{
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if (err >= ARRAY_SIZE(brcmf_fil_errstr))
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return "(unknown)";
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return brcmf_fil_errstr[err];
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}
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#else
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static const char *brcmf_fil_get_errstr(u32 err)
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{
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return "";
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}
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#endif /* DEBUG */
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static s32
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brcmf_fil_cmd_data(struct brcmf_if *ifp, u32 cmd, void *data, u32 len, bool set)
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{
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struct brcmf_pub *drvr = ifp->drvr;
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s32 err, fwerr;
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if (drvr->bus_if->state != BRCMF_BUS_UP) {
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bphy_err(drvr, "bus is down. we have nothing to do.\n");
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return -EIO;
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}
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if (data != NULL)
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len = min_t(uint, len, BRCMF_DCMD_MAXLEN);
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if (set)
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err = brcmf_proto_set_dcmd(drvr, ifp->ifidx, cmd,
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data, len, &fwerr);
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else
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err = brcmf_proto_query_dcmd(drvr, ifp->ifidx, cmd,
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data, len, &fwerr);
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if (err) {
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brcmf_dbg(FIL, "Failed: error=%d\n", err);
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} else if (fwerr < 0) {
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brcmf_dbg(FIL, "Firmware error: %s (%d)\n",
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brcmf_fil_get_errstr((u32)(-fwerr)), fwerr);
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err = -EBADE;
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}
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if (ifp->fwil_fwerr)
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return fwerr;
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return err;
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}
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s32
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brcmf_fil_cmd_data_set(struct brcmf_if *ifp, u32 cmd, void *data, u32 len)
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{
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s32 err;
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mutex_lock(&ifp->drvr->proto_block);
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brcmf_dbg(FIL, "ifidx=%d, cmd=%d, len=%d\n", ifp->ifidx, cmd, len);
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brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
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min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n");
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err = brcmf_fil_cmd_data(ifp, cmd, data, len, true);
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mutex_unlock(&ifp->drvr->proto_block);
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return err;
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}
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s32
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brcmf_fil_cmd_data_get(struct brcmf_if *ifp, u32 cmd, void *data, u32 len)
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{
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s32 err;
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mutex_lock(&ifp->drvr->proto_block);
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err = brcmf_fil_cmd_data(ifp, cmd, data, len, false);
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brcmf_dbg(FIL, "ifidx=%d, cmd=%d, len=%d, err=%d\n", ifp->ifidx, cmd,
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len, err);
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brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
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min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n");
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mutex_unlock(&ifp->drvr->proto_block);
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return err;
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}
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s32
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brcmf_fil_cmd_int_set(struct brcmf_if *ifp, u32 cmd, u32 data)
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{
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s32 err;
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__le32 data_le = cpu_to_le32(data);
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mutex_lock(&ifp->drvr->proto_block);
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brcmf_dbg(FIL, "ifidx=%d, cmd=%d, value=%d\n", ifp->ifidx, cmd, data);
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err = brcmf_fil_cmd_data(ifp, cmd, &data_le, sizeof(data_le), true);
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mutex_unlock(&ifp->drvr->proto_block);
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return err;
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}
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s32
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brcmf_fil_cmd_int_get(struct brcmf_if *ifp, u32 cmd, u32 *data)
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{
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s32 err;
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__le32 data_le = cpu_to_le32(*data);
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mutex_lock(&ifp->drvr->proto_block);
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err = brcmf_fil_cmd_data(ifp, cmd, &data_le, sizeof(data_le), false);
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mutex_unlock(&ifp->drvr->proto_block);
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*data = le32_to_cpu(data_le);
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brcmf_dbg(FIL, "ifidx=%d, cmd=%d, value=%d\n", ifp->ifidx, cmd, *data);
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return err;
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}
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static u32
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brcmf_create_iovar(const char *name, const char *data, u32 datalen,
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char *buf, u32 buflen)
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{
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u32 len;
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len = strlen(name) + 1;
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if ((len + datalen) > buflen)
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return 0;
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memcpy(buf, name, len);
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/* append data onto the end of the name string */
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if (data && datalen)
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memcpy(&buf[len], data, datalen);
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return len + datalen;
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}
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s32
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brcmf_fil_iovar_data_set(struct brcmf_if *ifp, const char *name, const void *data,
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u32 len)
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{
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struct brcmf_pub *drvr = ifp->drvr;
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s32 err;
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u32 buflen;
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mutex_lock(&drvr->proto_block);
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brcmf_dbg(FIL, "ifidx=%d, name=%s, len=%d\n", ifp->ifidx, name, len);
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brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
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min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n");
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buflen = brcmf_create_iovar(name, data, len, drvr->proto_buf,
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sizeof(drvr->proto_buf));
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if (buflen) {
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err = brcmf_fil_cmd_data(ifp, BRCMF_C_SET_VAR, drvr->proto_buf,
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buflen, true);
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} else {
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err = -EPERM;
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bphy_err(drvr, "Creating iovar failed\n");
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}
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mutex_unlock(&drvr->proto_block);
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return err;
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}
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s32
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brcmf_fil_iovar_data_get(struct brcmf_if *ifp, const char *name, void *data,
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u32 len)
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{
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struct brcmf_pub *drvr = ifp->drvr;
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s32 err;
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u32 buflen;
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mutex_lock(&drvr->proto_block);
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buflen = brcmf_create_iovar(name, data, len, drvr->proto_buf,
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sizeof(drvr->proto_buf));
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if (buflen) {
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err = brcmf_fil_cmd_data(ifp, BRCMF_C_GET_VAR, drvr->proto_buf,
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buflen, false);
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if (err == 0)
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memcpy(data, drvr->proto_buf, len);
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} else {
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err = -EPERM;
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bphy_err(drvr, "Creating iovar failed\n");
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}
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brcmf_dbg(FIL, "ifidx=%d, name=%s, len=%d, err=%d\n", ifp->ifidx, name,
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len, err);
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brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
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min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n");
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mutex_unlock(&drvr->proto_block);
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return err;
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}
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s32
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brcmf_fil_iovar_int_set(struct brcmf_if *ifp, const char *name, u32 data)
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{
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__le32 data_le = cpu_to_le32(data);
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return brcmf_fil_iovar_data_set(ifp, name, &data_le, sizeof(data_le));
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}
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s32
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brcmf_fil_iovar_int_get(struct brcmf_if *ifp, const char *name, u32 *data)
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{
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__le32 data_le = cpu_to_le32(*data);
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s32 err;
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err = brcmf_fil_iovar_data_get(ifp, name, &data_le, sizeof(data_le));
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if (err == 0)
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*data = le32_to_cpu(data_le);
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return err;
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}
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static u32
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brcmf_create_bsscfg(s32 bsscfgidx, const char *name, char *data, u32 datalen,
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char *buf, u32 buflen)
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{
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const s8 *prefix = "bsscfg:";
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s8 *p;
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u32 prefixlen;
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u32 namelen;
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u32 iolen;
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__le32 bsscfgidx_le;
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if (bsscfgidx == 0)
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return brcmf_create_iovar(name, data, datalen, buf, buflen);
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prefixlen = strlen(prefix);
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namelen = strlen(name) + 1; /* length of iovar name + null */
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iolen = prefixlen + namelen + sizeof(bsscfgidx_le) + datalen;
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if (buflen < iolen) {
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brcmf_err("buffer is too short\n");
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return 0;
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}
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p = buf;
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/* copy prefix, no null */
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memcpy(p, prefix, prefixlen);
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p += prefixlen;
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/* copy iovar name including null */
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memcpy(p, name, namelen);
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p += namelen;
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/* bss config index as first data */
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bsscfgidx_le = cpu_to_le32(bsscfgidx);
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memcpy(p, &bsscfgidx_le, sizeof(bsscfgidx_le));
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p += sizeof(bsscfgidx_le);
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/* parameter buffer follows */
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if (datalen)
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memcpy(p, data, datalen);
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return iolen;
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}
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s32
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brcmf_fil_bsscfg_data_set(struct brcmf_if *ifp, const char *name,
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void *data, u32 len)
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{
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struct brcmf_pub *drvr = ifp->drvr;
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s32 err;
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u32 buflen;
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mutex_lock(&drvr->proto_block);
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brcmf_dbg(FIL, "ifidx=%d, bsscfgidx=%d, name=%s, len=%d\n", ifp->ifidx,
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ifp->bsscfgidx, name, len);
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brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
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min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n");
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buflen = brcmf_create_bsscfg(ifp->bsscfgidx, name, data, len,
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drvr->proto_buf, sizeof(drvr->proto_buf));
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if (buflen) {
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err = brcmf_fil_cmd_data(ifp, BRCMF_C_SET_VAR, drvr->proto_buf,
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buflen, true);
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} else {
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err = -EPERM;
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bphy_err(drvr, "Creating bsscfg failed\n");
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}
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mutex_unlock(&drvr->proto_block);
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||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
s32
|
||
|
|
brcmf_fil_bsscfg_data_get(struct brcmf_if *ifp, const char *name,
|
||
|
|
void *data, u32 len)
|
||
|
|
{
|
||
|
|
struct brcmf_pub *drvr = ifp->drvr;
|
||
|
|
s32 err;
|
||
|
|
u32 buflen;
|
||
|
|
|
||
|
|
mutex_lock(&drvr->proto_block);
|
||
|
|
|
||
|
|
buflen = brcmf_create_bsscfg(ifp->bsscfgidx, name, data, len,
|
||
|
|
drvr->proto_buf, sizeof(drvr->proto_buf));
|
||
|
|
if (buflen) {
|
||
|
|
err = brcmf_fil_cmd_data(ifp, BRCMF_C_GET_VAR, drvr->proto_buf,
|
||
|
|
buflen, false);
|
||
|
|
if (err == 0)
|
||
|
|
memcpy(data, drvr->proto_buf, len);
|
||
|
|
} else {
|
||
|
|
err = -EPERM;
|
||
|
|
bphy_err(drvr, "Creating bsscfg failed\n");
|
||
|
|
}
|
||
|
|
brcmf_dbg(FIL, "ifidx=%d, bsscfgidx=%d, name=%s, len=%d, err=%d\n",
|
||
|
|
ifp->ifidx, ifp->bsscfgidx, name, len, err);
|
||
|
|
brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
|
||
|
|
min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n");
|
||
|
|
|
||
|
|
mutex_unlock(&drvr->proto_block);
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
s32
|
||
|
|
brcmf_fil_bsscfg_int_set(struct brcmf_if *ifp, const char *name, u32 data)
|
||
|
|
{
|
||
|
|
__le32 data_le = cpu_to_le32(data);
|
||
|
|
|
||
|
|
return brcmf_fil_bsscfg_data_set(ifp, name, &data_le,
|
||
|
|
sizeof(data_le));
|
||
|
|
}
|
||
|
|
|
||
|
|
s32
|
||
|
|
brcmf_fil_bsscfg_int_get(struct brcmf_if *ifp, const char *name, u32 *data)
|
||
|
|
{
|
||
|
|
__le32 data_le = cpu_to_le32(*data);
|
||
|
|
s32 err;
|
||
|
|
|
||
|
|
err = brcmf_fil_bsscfg_data_get(ifp, name, &data_le,
|
||
|
|
sizeof(data_le));
|
||
|
|
if (err == 0)
|
||
|
|
*data = le32_to_cpu(data_le);
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
static u32 brcmf_create_xtlv(const char *name, u16 id, char *data, u32 len,
|
||
|
|
char *buf, u32 buflen)
|
||
|
|
{
|
||
|
|
u32 iolen;
|
||
|
|
u32 nmlen;
|
||
|
|
|
||
|
|
nmlen = strlen(name) + 1;
|
||
|
|
iolen = nmlen + brcmf_xtlv_data_size(len, BRCMF_XTLV_OPTION_ALIGN32);
|
||
|
|
|
||
|
|
if (iolen > buflen) {
|
||
|
|
brcmf_err("buffer is too short\n");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
memcpy(buf, name, nmlen);
|
||
|
|
brcmf_xtlv_pack_header((void *)(buf + nmlen), id, len, data,
|
||
|
|
BRCMF_XTLV_OPTION_ALIGN32);
|
||
|
|
|
||
|
|
return iolen;
|
||
|
|
}
|
||
|
|
|
||
|
|
s32 brcmf_fil_xtlv_data_set(struct brcmf_if *ifp, const char *name, u16 id,
|
||
|
|
void *data, u32 len)
|
||
|
|
{
|
||
|
|
struct brcmf_pub *drvr = ifp->drvr;
|
||
|
|
s32 err;
|
||
|
|
u32 buflen;
|
||
|
|
|
||
|
|
mutex_lock(&drvr->proto_block);
|
||
|
|
|
||
|
|
brcmf_dbg(FIL, "ifidx=%d, name=%s, id=%u, len=%u\n", ifp->ifidx, name,
|
||
|
|
id, len);
|
||
|
|
brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
|
||
|
|
min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n");
|
||
|
|
|
||
|
|
buflen = brcmf_create_xtlv(name, id, data, len,
|
||
|
|
drvr->proto_buf, sizeof(drvr->proto_buf));
|
||
|
|
if (buflen) {
|
||
|
|
err = brcmf_fil_cmd_data(ifp, BRCMF_C_SET_VAR, drvr->proto_buf,
|
||
|
|
buflen, true);
|
||
|
|
} else {
|
||
|
|
err = -EPERM;
|
||
|
|
bphy_err(drvr, "Creating xtlv failed\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
mutex_unlock(&drvr->proto_block);
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
s32 brcmf_fil_xtlv_data_get(struct brcmf_if *ifp, const char *name, u16 id,
|
||
|
|
void *data, u32 len)
|
||
|
|
{
|
||
|
|
struct brcmf_pub *drvr = ifp->drvr;
|
||
|
|
s32 err;
|
||
|
|
u32 buflen;
|
||
|
|
|
||
|
|
mutex_lock(&drvr->proto_block);
|
||
|
|
|
||
|
|
buflen = brcmf_create_xtlv(name, id, data, len,
|
||
|
|
drvr->proto_buf, sizeof(drvr->proto_buf));
|
||
|
|
if (buflen) {
|
||
|
|
err = brcmf_fil_cmd_data(ifp, BRCMF_C_GET_VAR, drvr->proto_buf,
|
||
|
|
buflen, false);
|
||
|
|
if (err == 0)
|
||
|
|
memcpy(data, drvr->proto_buf, len);
|
||
|
|
} else {
|
||
|
|
err = -EPERM;
|
||
|
|
bphy_err(drvr, "Creating bsscfg failed\n");
|
||
|
|
}
|
||
|
|
brcmf_dbg(FIL, "ifidx=%d, name=%s, id=%u, len=%u, err=%d\n",
|
||
|
|
ifp->ifidx, name, id, len, err);
|
||
|
|
brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
|
||
|
|
min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n");
|
||
|
|
|
||
|
|
mutex_unlock(&drvr->proto_block);
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
s32 brcmf_fil_xtlv_int_set(struct brcmf_if *ifp, const char *name, u16 id, u32 data)
|
||
|
|
{
|
||
|
|
__le32 data_le = cpu_to_le32(data);
|
||
|
|
|
||
|
|
return brcmf_fil_xtlv_data_set(ifp, name, id, &data_le,
|
||
|
|
sizeof(data_le));
|
||
|
|
}
|
||
|
|
|
||
|
|
s32 brcmf_fil_xtlv_int_get(struct brcmf_if *ifp, const char *name, u16 id, u32 *data)
|
||
|
|
{
|
||
|
|
__le32 data_le = cpu_to_le32(*data);
|
||
|
|
s32 err;
|
||
|
|
|
||
|
|
err = brcmf_fil_xtlv_data_get(ifp, name, id, &data_le, sizeof(data_le));
|
||
|
|
if (err == 0)
|
||
|
|
*data = le32_to_cpu(data_le);
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
s32 brcmf_fil_xtlv_int8_get(struct brcmf_if *ifp, const char *name, u16 id, u8 *data)
|
||
|
|
{
|
||
|
|
return brcmf_fil_xtlv_data_get(ifp, name, id, data, sizeof(*data));
|
||
|
|
}
|
||
|
|
|
||
|
|
s32 brcmf_fil_xtlv_int16_get(struct brcmf_if *ifp, const char *name, u16 id, u16 *data)
|
||
|
|
{
|
||
|
|
__le16 data_le = cpu_to_le16(*data);
|
||
|
|
s32 err;
|
||
|
|
|
||
|
|
err = brcmf_fil_xtlv_data_get(ifp, name, id, &data_le, sizeof(data_le));
|
||
|
|
if (err == 0)
|
||
|
|
*data = le16_to_cpu(data_le);
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|