diff options
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/Makefile | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/dhd.h | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c | 13 | ||||
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/feature.c | 136 | ||||
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/feature.h | 86 | ||||
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c | 30 |
6 files changed, 244 insertions, 27 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/Makefile b/drivers/net/wireless/brcm80211/brcmfmac/Makefile index 4cffb2ee3673..de0cff3df389 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/Makefile +++ b/drivers/net/wireless/brcm80211/brcmfmac/Makefile @@ -34,6 +34,7 @@ brcmfmac-objs += \ dhd_common.o \ dhd_linux.o \ firmware.o \ + feature.o \ btcoex.o \ vendor.o brcmfmac-$(CONFIG_BRCMFMAC_SDIO) += \ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h index a8998eb60d22..7da6441bcfa8 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h @@ -103,6 +103,10 @@ struct brcmf_pub { struct brcmf_ampdu_rx_reorder *reorder_flows[BRCMF_AMPDU_RX_REORDER_MAXFLOWS]; + + u32 feat_flags; + u32 chip_quirks; + #ifdef DEBUG struct dentry *dbgfs_dir; #endif @@ -175,7 +179,6 @@ struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx, void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx); void brcmf_txflowblock_if(struct brcmf_if *ifp, enum brcmf_netif_stop_reason reason, bool state); -u32 brcmf_get_chip_info(struct brcmf_if *ifp); void brcmf_txfinalize(struct brcmf_pub *drvr, struct sk_buff *txp, u8 ifidx, bool success); diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c index 09dd8c13d844..bf448081d6fb 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c @@ -30,6 +30,7 @@ #include "wl_cfg80211.h" #include "fwil.h" #include "fwsignal.h" +#include "feature.h" #include "proto.h" MODULE_AUTHOR("Broadcom Corporation"); @@ -936,6 +937,8 @@ int brcmf_bus_start(struct device *dev) if (ret < 0) goto fail; + brcmf_feat_attach(drvr); + ret = brcmf_fws_init(drvr); if (ret < 0) goto fail; @@ -1073,16 +1076,6 @@ int brcmf_netdev_wait_pend8021x(struct net_device *ndev) return !err; } -/* - * return chip id and rev of the device encoded in u32. - */ -u32 brcmf_get_chip_info(struct brcmf_if *ifp) -{ - struct brcmf_bus *bus = ifp->drvr->bus_if; - - return bus->chip << 4 | bus->chiprev; -} - static void brcmf_driver_register(struct work_struct *work) { #ifdef CONFIG_BRCMFMAC_SDIO diff --git a/drivers/net/wireless/brcm80211/brcmfmac/feature.c b/drivers/net/wireless/brcm80211/brcmfmac/feature.c new file mode 100644 index 000000000000..50877e3c5d2f --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/feature.c @@ -0,0 +1,136 @@ +/* + * Copyright (c) 2014 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. + */ + +#include <linux/netdevice.h> + +#include <brcm_hw_ids.h> +#include "dhd.h" +#include "dhd_bus.h" +#include "dhd_dbg.h" +#include "fwil.h" +#include "feature.h" + +/* + * firmware error code received if iovar is unsupported. + */ +#define EBRCMF_FEAT_UNSUPPORTED 23 + +/* + * expand feature list to array of feature strings. + */ +#define BRCMF_FEAT_DEF(_f) \ + #_f, +static const char *brcmf_feat_names[] = { + BRCMF_FEAT_LIST +}; +#undef BRCMF_FEAT_DEF + +#ifdef DEBUG +/* + * expand quirk list to array of quirk strings. + */ +#define BRCMF_QUIRK_DEF(_q) \ + #_q, +static const char * const brcmf_quirk_names[] = { + BRCMF_QUIRK_LIST +}; +#undef BRCMF_QUIRK_DEF + +/** + * brcmf_feat_debugfs_read() - expose feature info to debugfs. + * + * @seq: sequence for debugfs entry. + * @data: raw data pointer. + */ +static int brcmf_feat_debugfs_read(struct seq_file *seq, void *data) +{ + struct brcmf_bus *bus_if = dev_get_drvdata(seq->private); + u32 feats = bus_if->drvr->feat_flags; + u32 quirks = bus_if->drvr->chip_quirks; + int id; + + seq_printf(seq, "Features: %08x\n", feats); + for (id = 0; id < BRCMF_FEAT_LAST; id++) + if (feats & BIT(id)) + seq_printf(seq, "\t%s\n", brcmf_feat_names[id]); + seq_printf(seq, "\nQuirks: %08x\n", quirks); + for (id = 0; id < BRCMF_FEAT_QUIRK_LAST; id++) + if (quirks & BIT(id)) + seq_printf(seq, "\t%s\n", brcmf_quirk_names[id]); + return 0; +} +#else +static int brcmf_feat_debugfs_read(struct seq_file *seq, void *data) +{ + return 0; +} +#endif /* DEBUG */ + +/** + * brcmf_feat_iovar_int_get() - determine feature through iovar query. + * + * @ifp: interface to query. + * @id: feature id. + * @name: iovar name. + */ +static void brcmf_feat_iovar_int_get(struct brcmf_if *ifp, + enum brcmf_feat_id id, char *name) +{ + u32 data; + int err; + + err = brcmf_fil_iovar_int_get(ifp, name, &data); + if (err == 0) { + brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]); + ifp->drvr->feat_flags |= BIT(id); + } else { + brcmf_dbg(TRACE, "%s feature check failed: %d\n", + brcmf_feat_names[id], err); + } +} + +void brcmf_feat_attach(struct brcmf_pub *drvr) +{ + struct brcmf_if *ifp = drvr->iflist[0]; + + brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_MCHAN, "mchan"); + + /* set chip related quirks */ + switch (drvr->bus_if->chip) { + case BRCM_CC_43236_CHIP_ID: + drvr->chip_quirks |= BIT(BRCMF_FEAT_QUIRK_AUTO_AUTH); + break; + case BRCM_CC_4329_CHIP_ID: + drvr->chip_quirks |= BIT(BRCMF_FEAT_QUIRK_NEED_MPC); + break; + default: + /* no quirks */ + break; + } + + brcmf_debugfs_add_entry(drvr, "features", brcmf_feat_debugfs_read); +} + +bool brcmf_feat_is_enabled(struct brcmf_if *ifp, enum brcmf_feat_id id) +{ + return (ifp->drvr->feat_flags & BIT(id)); +} + +bool brcmf_feat_is_quirk_enabled(struct brcmf_if *ifp, + enum brcmf_feat_quirk quirk) +{ + return (ifp->drvr->chip_quirks & BIT(quirk)); +} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/feature.h b/drivers/net/wireless/brcm80211/brcmfmac/feature.h new file mode 100644 index 000000000000..961d175f8afb --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/feature.h @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2014 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. + */ +#ifndef _BRCMF_FEATURE_H +#define _BRCMF_FEATURE_H + +/* + * Features: + * + * MCHAN: multi-channel for concurrent P2P. + */ +#define BRCMF_FEAT_LIST \ + BRCMF_FEAT_DEF(MCHAN) +/* + * Quirks: + * + * AUTO_AUTH: workaround needed for automatic authentication type. + * NEED_MPC: driver needs to disable MPC during scanning operation. + */ +#define BRCMF_QUIRK_LIST \ + BRCMF_QUIRK_DEF(AUTO_AUTH) \ + BRCMF_QUIRK_DEF(NEED_MPC) + +#define BRCMF_FEAT_DEF(_f) \ + BRCMF_FEAT_ ## _f, +/* + * expand feature list to enumeration. + */ +enum brcmf_feat_id { + BRCMF_FEAT_LIST + BRCMF_FEAT_LAST +}; +#undef BRCMF_FEAT_DEF + +#define BRCMF_QUIRK_DEF(_q) \ + BRCMF_FEAT_QUIRK_ ## _q, +/* + * expand quirk list to enumeration. + */ +enum brcmf_feat_quirk { + BRCMF_QUIRK_LIST + BRCMF_FEAT_QUIRK_LAST +}; +#undef BRCMF_QUIRK_DEF + +/** + * brcmf_feat_attach() - determine features and quirks. + * + * @drvr: driver instance. + */ +void brcmf_feat_attach(struct brcmf_pub *drvr); + +/** + * brcmf_feat_is_enabled() - query feature. + * + * @ifp: interface instance. + * @id: feature id to check. + * + * Return: true is feature is enabled; otherwise false. + */ +bool brcmf_feat_is_enabled(struct brcmf_if *ifp, enum brcmf_feat_id id); + +/** + * brcmf_feat_is_quirk_enabled() - query chip quirk. + * + * @ifp: interface instance. + * @quirk: quirk id to check. + * + * Return: true is quirk is enabled; otherwise false. + */ +bool brcmf_feat_is_quirk_enabled(struct brcmf_if *ifp, + enum brcmf_feat_quirk quirk); + +#endif /* _BRCMF_FEATURE_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index dd487e93141f..e3c1c71c5d2e 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -33,6 +33,7 @@ #include "p2p.h" #include "btcoex.h" #include "wl_cfg80211.h" +#include "feature.h" #include "fwil.h" #include "vendor.h" @@ -592,7 +593,7 @@ static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy, static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc) { - if ((brcmf_get_chip_info(ifp) >> 4) == 0x4329) + if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC)) brcmf_set_mpc(ifp, mpc); } @@ -1619,17 +1620,10 @@ static enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp, enum nl80211_auth_type type) { - u32 ci; - if (type == NL80211_AUTHTYPE_AUTOMATIC) { - /* shift to ignore chip revision */ - ci = brcmf_get_chip_info(ifp) >> 4; - switch (ci) { - case 43236: - brcmf_dbg(CONN, "43236 WAR: use OPEN instead of AUTO\n"); - return NL80211_AUTHTYPE_OPEN_SYSTEM; - default: - break; - } + if (type == NL80211_AUTHTYPE_AUTOMATIC && + brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) { + brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n"); + type = NL80211_AUTHTYPE_OPEN_SYSTEM; } return type; } @@ -4310,10 +4304,10 @@ static const struct ieee80211_iface_limit brcmf_iface_limits[] = { .types = BIT(NL80211_IFTYPE_P2P_DEVICE) } }; -static const struct ieee80211_iface_combination brcmf_iface_combos[] = { +static struct ieee80211_iface_combination brcmf_iface_combos[] = { { .max_interfaces = BRCMF_IFACE_MAX_CNT, - .num_different_channels = 2, + .num_different_channels = 1, .n_limits = ARRAY_SIZE(brcmf_iface_limits), .limits = brcmf_iface_limits } @@ -4348,7 +4342,8 @@ brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = { } }; -static struct wiphy *brcmf_setup_wiphy(struct device *phydev) +static +struct wiphy *brcmf_setup_wiphy(struct brcmf_if *ifp, struct device *phydev) { struct wiphy *wiphy; s32 err = 0; @@ -4368,6 +4363,9 @@ static struct wiphy *brcmf_setup_wiphy(struct device *phydev) BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO) | BIT(NL80211_IFTYPE_P2P_DEVICE); + /* need VSDB firmware feature for concurrent channels */ + if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN)) + brcmf_iface_combos[0].num_different_channels = 2; wiphy->iface_combinations = brcmf_iface_combos; wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos); wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; @@ -5567,7 +5565,7 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, } ifp = netdev_priv(ndev); - wiphy = brcmf_setup_wiphy(busdev); + wiphy = brcmf_setup_wiphy(ifp, busdev); if (IS_ERR(wiphy)) return NULL; |