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