| /* |
| * 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 "fwil.h" |
| |
| #include <threads.h> |
| |
| #include "brcmu_utils.h" |
| #include "brcmu_wifi.h" |
| #include "bus.h" |
| #include "core.h" |
| #include "debug.h" |
| #include "linuxisms.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(uint32_t err) { |
| if (err >= countof(brcmf_fil_errstr)) { |
| return "(unknown)"; |
| } |
| |
| return brcmf_fil_errstr[err]; |
| } |
| #else |
| static const char* brcmf_fil_get_errstr(uint32_t err) { |
| return ""; |
| } |
| #endif /* DEBUG */ |
| |
| static zx_status_t brcmf_fil_cmd_data(struct brcmf_if* ifp, uint32_t cmd, void* data, uint32_t len, |
| bool set) { |
| struct brcmf_pub* drvr = ifp->drvr; |
| zx_status_t err, fwerr; |
| |
| if (drvr->bus_if->state != BRCMF_BUS_UP) { |
| brcmf_err("bus is down. we have nothing to do.\n"); |
| return ZX_ERR_IO; |
| } |
| |
| if (data != NULL) { |
| len = min_t(uint, len, BRCMF_DCMD_MAXLEN); |
| } |
| if (set) { |
| err = brcmf_proto_set_dcmd(drvr, ifp->ifidx, cmd, data, len, &fwerr); |
| } else { |
| err = brcmf_proto_query_dcmd(drvr, ifp->ifidx, cmd, data, len, &fwerr); |
| } |
| |
| if (err != ZX_OK) { |
| brcmf_dbg(FIL, "Failed: %s (%d)\n", brcmf_fil_get_errstr(err), err); |
| } else if (fwerr != 0) { |
| brcmf_dbg(FIL, "Firmware error: %s (%d)\n", brcmf_fil_get_errstr(-fwerr), fwerr); |
| if (fwerr == BRCMF_ERR_FIRMWARE_UNSUPPORTED) { |
| err = ZX_ERR_NOT_SUPPORTED; |
| } else { |
| err = ZX_ERR_IO_REFUSED; |
| } |
| } |
| return err; |
| } |
| |
| zx_status_t brcmf_fil_cmd_data_set(struct brcmf_if* ifp, uint32_t cmd, void* data, uint32_t len) { |
| zx_status_t err; |
| |
| mtx_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); |
| mtx_unlock(&ifp->drvr->proto_block); |
| |
| return err; |
| } |
| |
| zx_status_t brcmf_fil_cmd_data_get(struct brcmf_if* ifp, uint32_t cmd, void* data, uint32_t len) { |
| zx_status_t err; |
| |
| mtx_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"); |
| |
| mtx_unlock(&ifp->drvr->proto_block); |
| |
| return err; |
| } |
| |
| zx_status_t brcmf_fil_cmd_int_set(struct brcmf_if* ifp, uint32_t cmd, uint32_t data) { |
| zx_status_t err; |
| uint32_t data_le = data; |
| |
| mtx_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); |
| mtx_unlock(&ifp->drvr->proto_block); |
| |
| return err; |
| } |
| |
| zx_status_t brcmf_fil_cmd_int_get(struct brcmf_if* ifp, uint32_t cmd, uint32_t* data) { |
| zx_status_t err; |
| uint32_t data_le = *data; |
| |
| mtx_lock(&ifp->drvr->proto_block); |
| err = brcmf_fil_cmd_data(ifp, cmd, &data_le, sizeof(data_le), false); |
| mtx_unlock(&ifp->drvr->proto_block); |
| *data = data_le; |
| brcmf_dbg(FIL, "ifidx=%d, cmd=%d, value=%d\n", ifp->ifidx, cmd, *data); |
| |
| return err; |
| } |
| |
| static uint32_t brcmf_create_iovar(char* name, const char* data, uint32_t datalen, char* buf, |
| uint32_t buflen) { |
| uint32_t 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; |
| } |
| |
| zx_status_t brcmf_fil_iovar_data_set(struct brcmf_if* ifp, char* name, const void* data, |
| uint32_t len) { |
| struct brcmf_pub* drvr = ifp->drvr; |
| zx_status_t err; |
| uint32_t buflen; |
| |
| mtx_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, (char*)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 = ZX_ERR_BUFFER_TOO_SMALL; |
| brcmf_err("Creating iovar failed\n"); |
| } |
| |
| mtx_unlock(&drvr->proto_block); |
| return err; |
| } |
| |
| zx_status_t brcmf_fil_iovar_data_get(struct brcmf_if* ifp, char* name, void* data, uint32_t len) { |
| struct brcmf_pub* drvr = ifp->drvr; |
| zx_status_t err; |
| uint32_t buflen; |
| |
| mtx_lock(&drvr->proto_block); |
| |
| buflen = brcmf_create_iovar(name, data, len, (char*)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 == ZX_OK) { |
| memcpy(data, drvr->proto_buf, len); |
| } |
| } else { |
| err = ZX_ERR_BUFFER_TOO_SMALL; |
| brcmf_err("Creating iovar %s failed", name); |
| } |
| |
| 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"); |
| |
| mtx_unlock(&drvr->proto_block); |
| return err; |
| } |
| |
| zx_status_t brcmf_fil_iovar_int_set(struct brcmf_if* ifp, char* name, uint32_t data) { |
| uint32_t data_le = data; |
| |
| return brcmf_fil_iovar_data_set(ifp, name, &data_le, sizeof(data_le)); |
| } |
| |
| zx_status_t brcmf_fil_iovar_int_get(struct brcmf_if* ifp, char* name, uint32_t* data) { |
| uint32_t data_le = *data; |
| zx_status_t err; |
| |
| err = brcmf_fil_iovar_data_get(ifp, name, &data_le, sizeof(data_le)); |
| if (err == ZX_OK) { |
| *data = data_le; |
| } |
| return err; |
| } |
| |
| static uint32_t brcmf_create_bsscfg(int32_t bsscfgidx, char* name, char* data, uint32_t datalen, |
| char* buf, uint32_t buflen) { |
| const char* prefix = "bsscfg:"; |
| char* p; |
| uint32_t prefixlen; |
| uint32_t namelen; |
| uint32_t iolen; |
| uint32_t 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 = bsscfgidx; |
| memcpy(p, &bsscfgidx_le, sizeof(bsscfgidx_le)); |
| p += sizeof(bsscfgidx_le); |
| |
| /* parameter buffer follows */ |
| if (datalen) { |
| memcpy(p, data, datalen); |
| } |
| |
| return iolen; |
| } |
| |
| zx_status_t brcmf_fil_bsscfg_data_set(struct brcmf_if* ifp, char* name, void* data, uint32_t len) { |
| struct brcmf_pub* drvr = ifp->drvr; |
| zx_status_t err; |
| uint32_t buflen; |
| |
| mtx_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, (char*)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 = ZX_ERR_BUFFER_TOO_SMALL; |
| brcmf_err("Creating bsscfg failed\n"); |
| } |
| |
| mtx_unlock(&drvr->proto_block); |
| return err; |
| } |
| |
| zx_status_t brcmf_fil_bsscfg_data_get(struct brcmf_if* ifp, char* name, void* data, uint32_t len) { |
| struct brcmf_pub* drvr = ifp->drvr; |
| zx_status_t err; |
| uint32_t buflen; |
| |
| mtx_lock(&drvr->proto_block); |
| |
| buflen = brcmf_create_bsscfg(ifp->bsscfgidx, name, data, len, (char*)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 == ZX_OK) { |
| memcpy(data, drvr->proto_buf, len); |
| } |
| } else { |
| err = ZX_ERR_BUFFER_TOO_SMALL; |
| 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"); |
| |
| mtx_unlock(&drvr->proto_block); |
| return err; |
| } |
| |
| zx_status_t brcmf_fil_bsscfg_int_set(struct brcmf_if* ifp, char* name, uint32_t data) { |
| uint32_t data_le = data; |
| |
| return brcmf_fil_bsscfg_data_set(ifp, name, &data_le, sizeof(data_le)); |
| } |
| |
| zx_status_t brcmf_fil_bsscfg_int_get(struct brcmf_if* ifp, char* name, uint32_t* data) { |
| uint32_t data_le = *data; |
| zx_status_t err; |
| |
| err = brcmf_fil_bsscfg_data_get(ifp, name, &data_le, sizeof(data_le)); |
| if (err == ZX_OK) { |
| *data = data_le; |
| } |
| return err; |
| } |