| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Hante Meuleman | 886 | 35.78% | 11 | 26.83% |
| Chung-Hsien Hsu | 682 | 27.54% | 1 | 2.44% |
| Arend Van Spriel | 659 | 26.62% | 12 | 29.27% |
| Rafał Miłecki | 187 | 7.55% | 6 | 14.63% |
| Daniel Kim | 33 | 1.33% | 2 | 4.88% |
| Hans de Goede | 16 | 0.65% | 4 | 9.76% |
| Felix Fietkau | 3 | 0.12% | 1 | 2.44% |
| Rasmus Villemoes | 3 | 0.12% | 1 | 2.44% |
| Joe Perches | 3 | 0.12% | 1 | 2.44% |
| Colin Ian King | 2 | 0.08% | 1 | 2.44% |
| Wright Feng | 2 | 0.08% | 1 | 2.44% |
| Total | 2476 | 41 |
// SPDX-License-Identifier: ISC /* * Copyright (c) 2010 Broadcom Corporation */ #include <linux/kernel.h> #include <linux/string.h> #include <linux/netdevice.h> #include <linux/module.h> #include <linux/firmware.h> #include <brcmu_wifi.h> #include <brcmu_utils.h> #include "core.h" #include "bus.h" #include "debug.h" #include "fwil.h" #include "fwil_types.h" #include "tracepoint.h" #include "common.h" #include "of.h" #include "firmware.h" #include "chip.h" MODULE_AUTHOR("Broadcom Corporation"); MODULE_DESCRIPTION("Broadcom 802.11 wireless LAN fullmac driver."); MODULE_LICENSE("Dual BSD/GPL"); #define BRCMF_DEFAULT_SCAN_CHANNEL_TIME 40 #define BRCMF_DEFAULT_SCAN_UNASSOC_TIME 40 /* default boost value for RSSI_DELTA in preferred join selection */ #define BRCMF_JOIN_PREF_RSSI_BOOST 8 #define BRCMF_DEFAULT_TXGLOM_SIZE 32 /* max tx frames in glom chain */ static int brcmf_sdiod_txglomsz = BRCMF_DEFAULT_TXGLOM_SIZE; module_param_named(txglomsz, brcmf_sdiod_txglomsz, int, 0); MODULE_PARM_DESC(txglomsz, "Maximum tx packet chain size [SDIO]"); /* Debug level configuration. See debug.h for bits, sysfs modifiable */ int brcmf_msg_level; module_param_named(debug, brcmf_msg_level, int, 0600); MODULE_PARM_DESC(debug, "Level of debug output"); static int brcmf_p2p_enable; module_param_named(p2pon, brcmf_p2p_enable, int, 0); MODULE_PARM_DESC(p2pon, "Enable legacy p2p management functionality"); static int brcmf_feature_disable; module_param_named(feature_disable, brcmf_feature_disable, int, 0); MODULE_PARM_DESC(feature_disable, "Disable features"); static char brcmf_firmware_path[BRCMF_FW_ALTPATH_LEN]; module_param_string(alternative_fw_path, brcmf_firmware_path, BRCMF_FW_ALTPATH_LEN, 0400); MODULE_PARM_DESC(alternative_fw_path, "Alternative firmware path"); static int brcmf_fcmode; module_param_named(fcmode, brcmf_fcmode, int, 0); MODULE_PARM_DESC(fcmode, "Mode of firmware signalled flow control"); static int brcmf_roamoff; module_param_named(roamoff, brcmf_roamoff, int, 0400); MODULE_PARM_DESC(roamoff, "Do not use internal roaming engine"); static int brcmf_iapp_enable; module_param_named(iapp, brcmf_iapp_enable, int, 0); MODULE_PARM_DESC(iapp, "Enable partial support for the obsoleted Inter-Access Point Protocol"); #ifdef DEBUG /* always succeed brcmf_bus_started() */ static int brcmf_ignore_probe_fail; module_param_named(ignore_probe_fail, brcmf_ignore_probe_fail, int, 0); MODULE_PARM_DESC(ignore_probe_fail, "always succeed probe for debugging"); #endif static struct brcmfmac_platform_data *brcmfmac_pdata; struct brcmf_mp_global_t brcmf_mp_global; void brcmf_c_set_joinpref_default(struct brcmf_if *ifp) { struct brcmf_pub *drvr = ifp->drvr; struct brcmf_join_pref_params join_pref_params[2]; int err; /* Setup join_pref to select target by RSSI (boost on 5GHz) */ join_pref_params[0].type = BRCMF_JOIN_PREF_RSSI_DELTA; join_pref_params[0].len = 2; join_pref_params[0].rssi_gain = BRCMF_JOIN_PREF_RSSI_BOOST; join_pref_params[0].band = WLC_BAND_5G; join_pref_params[1].type = BRCMF_JOIN_PREF_RSSI; join_pref_params[1].len = 2; join_pref_params[1].rssi_gain = 0; join_pref_params[1].band = 0; err = brcmf_fil_iovar_data_set(ifp, "join_pref", join_pref_params, sizeof(join_pref_params)); if (err) bphy_err(drvr, "Set join_pref error (%d)\n", err); } static int brcmf_c_download(struct brcmf_if *ifp, u16 flag, struct brcmf_dload_data_le *dload_buf, u32 len) { s32 err; flag |= (DLOAD_HANDLER_VER << DLOAD_FLAG_VER_SHIFT); dload_buf->flag = cpu_to_le16(flag); dload_buf->dload_type = cpu_to_le16(DL_TYPE_CLM); dload_buf->len = cpu_to_le32(len); dload_buf->crc = cpu_to_le32(0); len = sizeof(*dload_buf) + len - 1; err = brcmf_fil_iovar_data_set(ifp, "clmload", dload_buf, len); return err; } static int brcmf_c_process_clm_blob(struct brcmf_if *ifp) { struct brcmf_pub *drvr = ifp->drvr; struct brcmf_bus *bus = drvr->bus_if; struct brcmf_dload_data_le *chunk_buf; const struct firmware *clm = NULL; u8 clm_name[BRCMF_FW_NAME_LEN]; u32 chunk_len; u32 datalen; u32 cumulative_len; u16 dl_flag = DL_BEGIN; u32 status; s32 err; brcmf_dbg(TRACE, "Enter\n"); memset(clm_name, 0, sizeof(clm_name)); err = brcmf_bus_get_fwname(bus, ".clm_blob", clm_name); if (err) { bphy_err(drvr, "get CLM blob file name failed (%d)\n", err); return err; } err = firmware_request_nowarn(&clm, clm_name, bus->dev); if (err) { brcmf_info("no clm_blob available (err=%d), device may have limited channels available\n", err); return 0; } chunk_buf = kzalloc(sizeof(*chunk_buf) + MAX_CHUNK_LEN - 1, GFP_KERNEL); if (!chunk_buf) { err = -ENOMEM; goto done; } datalen = clm->size; cumulative_len = 0; do { if (datalen > MAX_CHUNK_LEN) { chunk_len = MAX_CHUNK_LEN; } else { chunk_len = datalen; dl_flag |= DL_END; } memcpy(chunk_buf->data, clm->data + cumulative_len, chunk_len); err = brcmf_c_download(ifp, dl_flag, chunk_buf, chunk_len); dl_flag &= ~DL_BEGIN; cumulative_len += chunk_len; datalen -= chunk_len; } while ((datalen > 0) && (err == 0)); if (err) { bphy_err(drvr, "clmload (%zu byte file) failed (%d)\n", clm->size, err); /* Retrieve clmload_status and print */ err = brcmf_fil_iovar_int_get(ifp, "clmload_status", &status); if (err) bphy_err(drvr, "get clmload_status failed (%d)\n", err); else brcmf_dbg(INFO, "clmload_status=%d\n", status); err = -EIO; } kfree(chunk_buf); done: release_firmware(clm); return err; } int brcmf_c_preinit_dcmds(struct brcmf_if *ifp) { struct brcmf_pub *drvr = ifp->drvr; s8 eventmask[BRCMF_EVENTING_MASK_LEN]; u8 buf[BRCMF_DCMD_SMLEN]; struct brcmf_bus *bus; struct brcmf_rev_info_le revinfo; struct brcmf_rev_info *ri; char *clmver; char *ptr; s32 err; /* retreive mac address */ err = brcmf_fil_iovar_data_get(ifp, "cur_etheraddr", ifp->mac_addr, sizeof(ifp->mac_addr)); if (err < 0) { bphy_err(drvr, "Retrieving cur_etheraddr failed, %d\n", err); goto done; } memcpy(ifp->drvr->wiphy->perm_addr, ifp->drvr->mac, ETH_ALEN); memcpy(ifp->drvr->mac, ifp->mac_addr, sizeof(ifp->drvr->mac)); bus = ifp->drvr->bus_if; ri = &ifp->drvr->revinfo; err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_REVINFO, &revinfo, sizeof(revinfo)); if (err < 0) { bphy_err(drvr, "retrieving revision info failed, %d\n", err); strlcpy(ri->chipname, "UNKNOWN", sizeof(ri->chipname)); } else { ri->vendorid = le32_to_cpu(revinfo.vendorid); ri->deviceid = le32_to_cpu(revinfo.deviceid); ri->radiorev = le32_to_cpu(revinfo.radiorev); ri->corerev = le32_to_cpu(revinfo.corerev); ri->boardid = le32_to_cpu(revinfo.boardid); ri->boardvendor = le32_to_cpu(revinfo.boardvendor); ri->boardrev = le32_to_cpu(revinfo.boardrev); ri->driverrev = le32_to_cpu(revinfo.driverrev); ri->ucoderev = le32_to_cpu(revinfo.ucoderev); ri->bus = le32_to_cpu(revinfo.bus); ri->phytype = le32_to_cpu(revinfo.phytype); ri->phyrev = le32_to_cpu(revinfo.phyrev); ri->anarev = le32_to_cpu(revinfo.anarev); ri->chippkg = le32_to_cpu(revinfo.chippkg); ri->nvramrev = le32_to_cpu(revinfo.nvramrev); /* use revinfo if not known yet */ if (!bus->chip) { bus->chip = le32_to_cpu(revinfo.chipnum); bus->chiprev = le32_to_cpu(revinfo.chiprev); } } ri->result = err; if (bus->chip) brcmf_chip_name(bus->chip, bus->chiprev, ri->chipname, sizeof(ri->chipname)); /* Do any CLM downloading */ err = brcmf_c_process_clm_blob(ifp); if (err < 0) { bphy_err(drvr, "download CLM blob file failed, %d\n", err); goto done; } /* query for 'ver' to get version info from firmware */ memset(buf, 0, sizeof(buf)); err = brcmf_fil_iovar_data_get(ifp, "ver", buf, sizeof(buf)); if (err < 0) { bphy_err(drvr, "Retrieving version information failed, %d\n", err); goto done; } ptr = (char *)buf; strsep(&ptr, "\n"); /* Print fw version info */ brcmf_info("Firmware: %s %s\n", ri->chipname, buf); /* locate firmware version number for ethtool */ ptr = strrchr(buf, ' ') + 1; strlcpy(ifp->drvr->fwver, ptr, sizeof(ifp->drvr->fwver)); /* Query for 'clmver' to get CLM version info from firmware */ memset(buf, 0, sizeof(buf)); err = brcmf_fil_iovar_data_get(ifp, "clmver", buf, sizeof(buf)); if (err) { brcmf_dbg(TRACE, "retrieving clmver failed, %d\n", err); } else { clmver = (char *)buf; /* store CLM version for adding it to revinfo debugfs file */ memcpy(ifp->drvr->clmver, clmver, sizeof(ifp->drvr->clmver)); /* Replace all newline/linefeed characters with space * character */ strreplace(clmver, '\n', ' '); brcmf_dbg(INFO, "CLM version = %s\n", clmver); } /* set mpc */ err = brcmf_fil_iovar_int_set(ifp, "mpc", 1); if (err) { bphy_err(drvr, "failed setting mpc\n"); goto done; } brcmf_c_set_joinpref_default(ifp); /* Setup event_msgs, enable E_IF */ err = brcmf_fil_iovar_data_get(ifp, "event_msgs", eventmask, BRCMF_EVENTING_MASK_LEN); if (err) { bphy_err(drvr, "Get event_msgs error (%d)\n", err); goto done; } setbit(eventmask, BRCMF_E_IF); err = brcmf_fil_iovar_data_set(ifp, "event_msgs", eventmask, BRCMF_EVENTING_MASK_LEN); if (err) { bphy_err(drvr, "Set event_msgs error (%d)\n", err); goto done; } /* Setup default scan channel time */ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME, BRCMF_DEFAULT_SCAN_CHANNEL_TIME); if (err) { bphy_err(drvr, "BRCMF_C_SET_SCAN_CHANNEL_TIME error (%d)\n", err); goto done; } /* Setup default scan unassoc time */ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME, BRCMF_DEFAULT_SCAN_UNASSOC_TIME); if (err) { bphy_err(drvr, "BRCMF_C_SET_SCAN_UNASSOC_TIME error (%d)\n", err); goto done; } /* Enable tx beamforming, errors can be ignored (not supported) */ (void)brcmf_fil_iovar_int_set(ifp, "txbf", 1); done: return err; } #ifndef CONFIG_BRCM_TRACING void __brcmf_err(struct brcmf_bus *bus, const char *func, const char *fmt, ...) { struct va_format vaf; va_list args; va_start(args, fmt); vaf.fmt = fmt; vaf.va = &args; if (bus) dev_err(bus->dev, "%s: %pV", func, &vaf); else pr_err("%s: %pV", func, &vaf); va_end(args); } #endif #if defined(CONFIG_BRCM_TRACING) || defined(CONFIG_BRCMDBG) void __brcmf_dbg(u32 level, const char *func, const char *fmt, ...) { struct va_format vaf = { .fmt = fmt, }; va_list args; va_start(args, fmt); vaf.va = &args; if (brcmf_msg_level & level) pr_debug("%s %pV", func, &vaf); trace_brcmf_dbg(level, func, &vaf); va_end(args); } #endif static void brcmf_mp_attach(void) { /* If module param firmware path is set then this will always be used, * if not set then if available use the platform data version. To make * sure it gets initialized at all, always copy the module param version */ strlcpy(brcmf_mp_global.firmware_path, brcmf_firmware_path, BRCMF_FW_ALTPATH_LEN); if ((brcmfmac_pdata) && (brcmfmac_pdata->fw_alternative_path) && (brcmf_mp_global.firmware_path[0] == '\0')) { strlcpy(brcmf_mp_global.firmware_path, brcmfmac_pdata->fw_alternative_path, BRCMF_FW_ALTPATH_LEN); } } struct brcmf_mp_device *brcmf_get_module_param(struct device *dev, enum brcmf_bus_type bus_type, u32 chip, u32 chiprev) { struct brcmf_mp_device *settings; struct brcmfmac_pd_device *device_pd; bool found; int i; brcmf_dbg(INFO, "Enter, bus=%d, chip=%d, rev=%d\n", bus_type, chip, chiprev); settings = kzalloc(sizeof(*settings), GFP_ATOMIC); if (!settings) return NULL; /* start by using the module paramaters */ settings->p2p_enable = !!brcmf_p2p_enable; settings->feature_disable = brcmf_feature_disable; settings->fcmode = brcmf_fcmode; settings->roamoff = !!brcmf_roamoff; settings->iapp = !!brcmf_iapp_enable; #ifdef DEBUG settings->ignore_probe_fail = !!brcmf_ignore_probe_fail; #endif if (bus_type == BRCMF_BUSTYPE_SDIO) settings->bus.sdio.txglomsz = brcmf_sdiod_txglomsz; /* See if there is any device specific platform data configured */ found = false; if (brcmfmac_pdata) { for (i = 0; i < brcmfmac_pdata->device_count; i++) { device_pd = &brcmfmac_pdata->devices[i]; if ((device_pd->bus_type == bus_type) && (device_pd->id == chip) && ((device_pd->rev == chiprev) || (device_pd->rev == -1))) { brcmf_dbg(INFO, "Platform data for device found\n"); settings->country_codes = device_pd->country_codes; if (device_pd->bus_type == BRCMF_BUSTYPE_SDIO) memcpy(&settings->bus.sdio, &device_pd->bus.sdio, sizeof(settings->bus.sdio)); found = true; break; } } } if (!found) { /* No platform data for this device, try OF and DMI data */ brcmf_dmi_probe(settings, chip, chiprev); brcmf_of_probe(dev, bus_type, settings); } return settings; } void brcmf_release_module_param(struct brcmf_mp_device *module_param) { kfree(module_param); } static int __init brcmf_common_pd_probe(struct platform_device *pdev) { brcmf_dbg(INFO, "Enter\n"); brcmfmac_pdata = dev_get_platdata(&pdev->dev); if (brcmfmac_pdata->power_on) brcmfmac_pdata->power_on(); return 0; } static int brcmf_common_pd_remove(struct platform_device *pdev) { brcmf_dbg(INFO, "Enter\n"); if (brcmfmac_pdata->power_off) brcmfmac_pdata->power_off(); return 0; } static struct platform_driver brcmf_pd = { .remove = brcmf_common_pd_remove, .driver = { .name = BRCMFMAC_PDATA_NAME, } }; static int __init brcmfmac_module_init(void) { int err; /* Get the platform data (if available) for our devices */ err = platform_driver_probe(&brcmf_pd, brcmf_common_pd_probe); if (err == -ENODEV) brcmf_dbg(INFO, "No platform data available.\n"); /* Initialize global module paramaters */ brcmf_mp_attach(); /* Continue the initialization by registering the different busses */ err = brcmf_core_init(); if (err) { if (brcmfmac_pdata) platform_driver_unregister(&brcmf_pd); } return err; } static void __exit brcmfmac_module_exit(void) { brcmf_core_exit(); if (brcmfmac_pdata) platform_driver_unregister(&brcmf_pd); } module_init(brcmfmac_module_init); module_exit(brcmfmac_module_exit);
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