diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c | 958 |
1 files changed, 493 insertions, 465 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index 9682cf213ec4..48078a321716 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" @@ -102,24 +103,6 @@ static bool check_vif_up(struct brcmf_cfg80211_vif *vif) return true; } -#define CHAN2G(_channel, _freq, _flags) { \ - .band = IEEE80211_BAND_2GHZ, \ - .center_freq = (_freq), \ - .hw_value = (_channel), \ - .flags = (_flags), \ - .max_antenna_gain = 0, \ - .max_power = 30, \ -} - -#define CHAN5G(_channel, _flags) { \ - .band = IEEE80211_BAND_5GHZ, \ - .center_freq = 5000 + (5 * (_channel)), \ - .hw_value = (_channel), \ - .flags = (_flags), \ - .max_antenna_gain = 0, \ - .max_power = 30, \ -} - #define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2) #define RATETAB_ENT(_rateid, _flags) \ { \ @@ -148,58 +131,17 @@ static struct ieee80211_rate __wl_rates[] = { #define wl_g_rates (__wl_rates + 0) #define wl_g_rates_size 12 -static struct ieee80211_channel __wl_2ghz_channels[] = { - CHAN2G(1, 2412, 0), - CHAN2G(2, 2417, 0), - CHAN2G(3, 2422, 0), - CHAN2G(4, 2427, 0), - CHAN2G(5, 2432, 0), - CHAN2G(6, 2437, 0), - CHAN2G(7, 2442, 0), - CHAN2G(8, 2447, 0), - CHAN2G(9, 2452, 0), - CHAN2G(10, 2457, 0), - CHAN2G(11, 2462, 0), - CHAN2G(12, 2467, 0), - CHAN2G(13, 2472, 0), - CHAN2G(14, 2484, 0), -}; - -static struct ieee80211_channel __wl_5ghz_a_channels[] = { - CHAN5G(34, 0), CHAN5G(36, 0), - CHAN5G(38, 0), CHAN5G(40, 0), - CHAN5G(42, 0), CHAN5G(44, 0), - CHAN5G(46, 0), CHAN5G(48, 0), - CHAN5G(52, 0), CHAN5G(56, 0), - CHAN5G(60, 0), CHAN5G(64, 0), - CHAN5G(100, 0), CHAN5G(104, 0), - CHAN5G(108, 0), CHAN5G(112, 0), - CHAN5G(116, 0), CHAN5G(120, 0), - CHAN5G(124, 0), CHAN5G(128, 0), - CHAN5G(132, 0), CHAN5G(136, 0), - CHAN5G(140, 0), CHAN5G(149, 0), - CHAN5G(153, 0), CHAN5G(157, 0), - CHAN5G(161, 0), CHAN5G(165, 0), - CHAN5G(184, 0), CHAN5G(188, 0), - CHAN5G(192, 0), CHAN5G(196, 0), - CHAN5G(200, 0), CHAN5G(204, 0), - CHAN5G(208, 0), CHAN5G(212, 0), - CHAN5G(216, 0), -}; - -static struct ieee80211_supported_band __wl_band_2ghz = { +/* Band templates duplicated per wiphy. The channel info + * is filled in after querying the device. + */ +static const struct ieee80211_supported_band __wl_band_2ghz = { .band = IEEE80211_BAND_2GHZ, - .channels = __wl_2ghz_channels, - .n_channels = ARRAY_SIZE(__wl_2ghz_channels), .bitrates = wl_g_rates, .n_bitrates = wl_g_rates_size, - .ht_cap = {IEEE80211_HT_CAP_SUP_WIDTH_20_40, true}, }; -static struct ieee80211_supported_band __wl_band_5ghz_a = { +static const struct ieee80211_supported_band __wl_band_5ghz_a = { .band = IEEE80211_BAND_5GHZ, - .channels = __wl_5ghz_a_channels, - .n_channels = ARRAY_SIZE(__wl_5ghz_a_channels), .bitrates = wl_a_rates, .n_bitrates = wl_a_rates_size, }; @@ -592,7 +534,7 @@ 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 +1561,10 @@ 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; } @@ -4284,122 +4219,6 @@ static struct cfg80211_ops wl_cfg80211_ops = { .tdls_oper = brcmf_cfg80211_tdls_oper, }; -static void brcmf_wiphy_pno_params(struct wiphy *wiphy) -{ - /* scheduled scan settings */ - wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT; - wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT; - wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; - wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; -} - -static const struct ieee80211_iface_limit brcmf_iface_limits[] = { - { - .max = 2, - .types = BIT(NL80211_IFTYPE_STATION) | - BIT(NL80211_IFTYPE_ADHOC) | - BIT(NL80211_IFTYPE_AP) - }, - { - .max = 1, - .types = BIT(NL80211_IFTYPE_P2P_CLIENT) | - BIT(NL80211_IFTYPE_P2P_GO) - }, - { - .max = 1, - .types = BIT(NL80211_IFTYPE_P2P_DEVICE) - } -}; -static const struct ieee80211_iface_combination brcmf_iface_combos[] = { - { - .max_interfaces = BRCMF_IFACE_MAX_CNT, - .num_different_channels = 2, - .n_limits = ARRAY_SIZE(brcmf_iface_limits), - .limits = brcmf_iface_limits - } -}; - -static const struct ieee80211_txrx_stypes -brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = { - [NL80211_IFTYPE_STATION] = { - .tx = 0xffff, - .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | - BIT(IEEE80211_STYPE_PROBE_REQ >> 4) - }, - [NL80211_IFTYPE_P2P_CLIENT] = { - .tx = 0xffff, - .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | - BIT(IEEE80211_STYPE_PROBE_REQ >> 4) - }, - [NL80211_IFTYPE_P2P_GO] = { - .tx = 0xffff, - .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | - BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | - BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | - BIT(IEEE80211_STYPE_DISASSOC >> 4) | - BIT(IEEE80211_STYPE_AUTH >> 4) | - BIT(IEEE80211_STYPE_DEAUTH >> 4) | - BIT(IEEE80211_STYPE_ACTION >> 4) - }, - [NL80211_IFTYPE_P2P_DEVICE] = { - .tx = 0xffff, - .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | - BIT(IEEE80211_STYPE_PROBE_REQ >> 4) - } -}; - -static struct wiphy *brcmf_setup_wiphy(struct device *phydev) -{ - struct wiphy *wiphy; - s32 err = 0; - - wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info)); - if (!wiphy) { - brcmf_err("Could not allocate wiphy device\n"); - return ERR_PTR(-ENOMEM); - } - set_wiphy_dev(wiphy, phydev); - wiphy->max_scan_ssids = WL_NUM_SCAN_MAX; - wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; - wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX; - wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | - BIT(NL80211_IFTYPE_ADHOC) | - BIT(NL80211_IFTYPE_AP) | - BIT(NL80211_IFTYPE_P2P_CLIENT) | - BIT(NL80211_IFTYPE_P2P_GO) | - BIT(NL80211_IFTYPE_P2P_DEVICE); - wiphy->iface_combinations = brcmf_iface_combos; - wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos); - wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; - wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; - wiphy->cipher_suites = __wl_cipher_suites; - wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites); - wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT | - WIPHY_FLAG_OFFCHAN_TX | - WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | - WIPHY_FLAG_SUPPORTS_TDLS; - if (!brcmf_roamoff) - wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM; - wiphy->mgmt_stypes = brcmf_txrx_stypes; - wiphy->max_remain_on_channel_duration = 5000; - brcmf_wiphy_pno_params(wiphy); - brcmf_dbg(INFO, "Registering custom regulatory\n"); - wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG; - wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom); - - /* vendor commands/events support */ - wiphy->vendor_commands = brcmf_vendor_cmds; - wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1; - - err = wiphy_register(wiphy); - if (err < 0) { - brcmf_err("Could not register wiphy device (%d)\n", err); - wiphy_free(wiphy); - return ERR_PTR(err); - } - return wiphy; -} - struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, enum nl80211_iftype type, bool pm_block) @@ -4943,138 +4762,6 @@ static void init_vif_event(struct brcmf_cfg80211_vif_event *event) mutex_init(&event->vif_event_lock); } -static int brcmf_enable_bw40_2g(struct brcmf_if *ifp) -{ - struct brcmf_fil_bwcap_le band_bwcap; - u32 val; - int err; - - /* verify support for bw_cap command */ - val = WLC_BAND_5G; - err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val); - - if (!err) { - /* only set 2G bandwidth using bw_cap command */ - band_bwcap.band = cpu_to_le32(WLC_BAND_2G); - band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ); - err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap, - sizeof(band_bwcap)); - } else { - brcmf_dbg(INFO, "fallback to mimo_bw_cap\n"); - val = WLC_N_BW_40ALL; - err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val); - } - return err; -} - -struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, - struct device *busdev) -{ - struct net_device *ndev = drvr->iflist[0]->ndev; - struct brcmf_cfg80211_info *cfg; - struct wiphy *wiphy; - struct brcmf_cfg80211_vif *vif; - struct brcmf_if *ifp; - s32 err = 0; - s32 io_type; - - if (!ndev) { - brcmf_err("ndev is invalid\n"); - return NULL; - } - - ifp = netdev_priv(ndev); - wiphy = brcmf_setup_wiphy(busdev); - if (IS_ERR(wiphy)) - return NULL; - - cfg = wiphy_priv(wiphy); - cfg->wiphy = wiphy; - cfg->pub = drvr; - init_vif_event(&cfg->vif_event); - INIT_LIST_HEAD(&cfg->vif_list); - - vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false); - if (IS_ERR(vif)) { - wiphy_free(wiphy); - return NULL; - } - - vif->ifp = ifp; - vif->wdev.netdev = ndev; - ndev->ieee80211_ptr = &vif->wdev; - SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy)); - - err = wl_init_priv(cfg); - if (err) { - brcmf_err("Failed to init iwm_priv (%d)\n", err); - goto cfg80211_attach_out; - } - ifp->vif = vif; - - err = brcmf_p2p_attach(cfg); - if (err) { - brcmf_err("P2P initilisation failed (%d)\n", err); - goto cfg80211_p2p_attach_out; - } - err = brcmf_btcoex_attach(cfg); - if (err) { - brcmf_err("BT-coex initialisation failed (%d)\n", err); - brcmf_p2p_detach(&cfg->p2p); - goto cfg80211_p2p_attach_out; - } - - /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(), - * setup 40MHz in 2GHz band and enable OBSS scanning. - */ - if (wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.cap & - IEEE80211_HT_CAP_SUP_WIDTH_20_40) { - err = brcmf_enable_bw40_2g(ifp); - if (!err) - err = brcmf_fil_iovar_int_set(ifp, "obss_coex", - BRCMF_OBSS_COEX_AUTO); - } - /* clear for now and rely on update later */ - wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.ht_supported = false; - wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.cap = 0; - - err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1); - if (err) { - brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err); - wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS; - } - - err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, - &io_type); - if (err) { - brcmf_err("Failed to get D11 version (%d)\n", err); - goto cfg80211_p2p_attach_out; - } - cfg->d11inf.io_type = (u8)io_type; - brcmu_d11_attach(&cfg->d11inf); - - return cfg; - -cfg80211_p2p_attach_out: - wl_deinit_priv(cfg); - -cfg80211_attach_out: - brcmf_free_vif(vif); - return NULL; -} - -void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg) -{ - if (!cfg) - return; - - WARN_ON(!list_empty(&cfg->vif_list)); - wiphy_unregister(cfg->wiphy); - brcmf_btcoex_detach(cfg); - wl_deinit_priv(cfg); - wiphy_free(cfg->wiphy); -} - static s32 brcmf_dongle_roam(struct brcmf_if *ifp, u32 bcn_timeout) { @@ -5167,25 +4854,77 @@ dongle_scantime_out: return err; } +/* Filter the list of channels received from firmware counting only + * the 20MHz channels. The wiphy band data only needs those which get + * flagged to indicate if they can take part in higher bandwidth. + */ +static void brcmf_count_20mhz_channels(struct brcmf_cfg80211_info *cfg, + struct brcmf_chanspec_list *chlist, + u32 chcnt[]) +{ + u32 total = le32_to_cpu(chlist->count); + struct brcmu_chan ch; + int i; + + for (i = 0; i <= total; i++) { + ch.chspec = (u16)le32_to_cpu(chlist->element[i]); + cfg->d11inf.decchspec(&ch); + + /* Firmware gives a ordered list. We skip non-20MHz + * channels is 2G. For 5G we can abort upon reaching + * a non-20MHz channel in the list. + */ + if (ch.bw != BRCMU_CHAN_BW_20) { + if (ch.band == BRCMU_CHAN_BAND_5G) + break; + else + continue; + } + + if (ch.band == BRCMU_CHAN_BAND_2G) + chcnt[0] += 1; + else if (ch.band == BRCMU_CHAN_BAND_5G) + chcnt[1] += 1; + } +} + +static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel, + struct brcmu_chan *ch) +{ + u32 ht40_flag; -static s32 brcmf_construct_reginfo(struct brcmf_cfg80211_info *cfg, - u32 bw_cap[]) + ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40; + if (ch->sb == BRCMU_CHAN_SB_U) { + if (ht40_flag == IEEE80211_CHAN_NO_HT40) + channel->flags &= ~IEEE80211_CHAN_NO_HT40; + channel->flags |= IEEE80211_CHAN_NO_HT40PLUS; + } else { + /* It should be one of + * IEEE80211_CHAN_NO_HT40 or + * IEEE80211_CHAN_NO_HT40PLUS + */ + channel->flags &= ~IEEE80211_CHAN_NO_HT40; + if (ht40_flag == IEEE80211_CHAN_NO_HT40) + channel->flags |= IEEE80211_CHAN_NO_HT40MINUS; + } +} + +static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg, + u32 bw_cap[]) { struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); - struct ieee80211_channel *band_chan_arr; + struct ieee80211_supported_band *band; + struct ieee80211_channel *channel; + struct wiphy *wiphy; struct brcmf_chanspec_list *list; struct brcmu_chan ch; - s32 err; + int err; u8 *pbuf; u32 i, j; u32 total; - enum ieee80211_band band; - u32 channel; - u32 *n_cnt; + u32 chaninfo; + u32 chcnt[2] = { 0, 0 }; u32 index; - u32 ht40_flag; - bool update; - u32 array_size; pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); @@ -5198,11 +4937,45 @@ static s32 brcmf_construct_reginfo(struct brcmf_cfg80211_info *cfg, BRCMF_DCMD_MEDLEN); if (err) { brcmf_err("get chanspecs error (%d)\n", err); - goto exit; + goto fail_pbuf; } - __wl_band_2ghz.n_channels = 0; - __wl_band_5ghz_a.n_channels = 0; + brcmf_count_20mhz_channels(cfg, list, chcnt); + wiphy = cfg_to_wiphy(cfg); + if (chcnt[0]) { + band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz), + GFP_KERNEL); + if (band == NULL) { + err = -ENOMEM; + goto fail_pbuf; + } + band->channels = kcalloc(chcnt[0], sizeof(*channel), + GFP_KERNEL); + if (band->channels == NULL) { + kfree(band); + err = -ENOMEM; + goto fail_pbuf; + } + band->n_channels = 0; + wiphy->bands[IEEE80211_BAND_2GHZ] = band; + } + if (chcnt[1]) { + band = kmemdup(&__wl_band_5ghz_a, sizeof(__wl_band_5ghz_a), + GFP_KERNEL); + if (band == NULL) { + err = -ENOMEM; + goto fail_band2g; + } + band->channels = kcalloc(chcnt[1], sizeof(*channel), + GFP_KERNEL); + if (band->channels == NULL) { + kfree(band); + err = -ENOMEM; + goto fail_band2g; + } + band->n_channels = 0; + wiphy->bands[IEEE80211_BAND_5GHZ] = band; + } total = le32_to_cpu(list->count); for (i = 0; i < total; i++) { @@ -5210,100 +4983,151 @@ static s32 brcmf_construct_reginfo(struct brcmf_cfg80211_info *cfg, cfg->d11inf.decchspec(&ch); if (ch.band == BRCMU_CHAN_BAND_2G) { - band_chan_arr = __wl_2ghz_channels; - array_size = ARRAY_SIZE(__wl_2ghz_channels); - n_cnt = &__wl_band_2ghz.n_channels; - band = IEEE80211_BAND_2GHZ; + band = wiphy->bands[IEEE80211_BAND_2GHZ]; } else if (ch.band == BRCMU_CHAN_BAND_5G) { - band_chan_arr = __wl_5ghz_a_channels; - array_size = ARRAY_SIZE(__wl_5ghz_a_channels); - n_cnt = &__wl_band_5ghz_a.n_channels; - band = IEEE80211_BAND_5GHZ; + band = wiphy->bands[IEEE80211_BAND_5GHZ]; } else { brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec); continue; } - if (!(bw_cap[band] & WLC_BW_40MHZ_BIT) && + if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) && ch.bw == BRCMU_CHAN_BW_40) continue; - if (!(bw_cap[band] & WLC_BW_80MHZ_BIT) && + if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) && ch.bw == BRCMU_CHAN_BW_80) continue; - update = false; - for (j = 0; (j < *n_cnt && (*n_cnt < array_size)); j++) { - if (band_chan_arr[j].hw_value == ch.chnum) { - update = true; + + channel = band->channels; + index = band->n_channels; + for (j = 0; j < band->n_channels; j++) { + if (channel[j].hw_value == ch.chnum) { + index = j; break; } } - if (update) - index = j; - else - index = *n_cnt; - if (index < array_size) { - band_chan_arr[index].center_freq = - ieee80211_channel_to_frequency(ch.chnum, band); - band_chan_arr[index].hw_value = ch.chnum; - - /* assuming the chanspecs order is HT20, - * HT40 upper, HT40 lower, and VHT80. + channel[index].center_freq = + ieee80211_channel_to_frequency(ch.chnum, band->band); + channel[index].hw_value = ch.chnum; + + /* assuming the chanspecs order is HT20, + * HT40 upper, HT40 lower, and VHT80. + */ + if (ch.bw == BRCMU_CHAN_BW_80) { + channel[index].flags &= ~IEEE80211_CHAN_NO_80MHZ; + } else if (ch.bw == BRCMU_CHAN_BW_40) { + brcmf_update_bw40_channel_flag(&channel[index], &ch); + } else { + /* disable other bandwidths for now as mentioned + * order assure they are enabled for subsequent + * chanspecs. */ - if (ch.bw == BRCMU_CHAN_BW_80) { - band_chan_arr[index].flags &= - ~IEEE80211_CHAN_NO_80MHZ; - } else if (ch.bw == BRCMU_CHAN_BW_40) { - ht40_flag = band_chan_arr[index].flags & - IEEE80211_CHAN_NO_HT40; - if (ch.sb == BRCMU_CHAN_SB_U) { - if (ht40_flag == IEEE80211_CHAN_NO_HT40) - band_chan_arr[index].flags &= - ~IEEE80211_CHAN_NO_HT40; - band_chan_arr[index].flags |= - IEEE80211_CHAN_NO_HT40PLUS; - } else { - /* It should be one of - * IEEE80211_CHAN_NO_HT40 or - * IEEE80211_CHAN_NO_HT40PLUS - */ - band_chan_arr[index].flags &= - ~IEEE80211_CHAN_NO_HT40; - if (ht40_flag == IEEE80211_CHAN_NO_HT40) - band_chan_arr[index].flags |= - IEEE80211_CHAN_NO_HT40MINUS; - } - } else { - /* disable other bandwidths for now as mentioned - * order assure they are enabled for subsequent - * chanspecs. - */ - band_chan_arr[index].flags = - IEEE80211_CHAN_NO_HT40 | - IEEE80211_CHAN_NO_80MHZ; - ch.bw = BRCMU_CHAN_BW_20; - cfg->d11inf.encchspec(&ch); - channel = ch.chspec; - err = brcmf_fil_bsscfg_int_get(ifp, - "per_chan_info", - &channel); - if (!err) { - if (channel & WL_CHAN_RADAR) - band_chan_arr[index].flags |= - (IEEE80211_CHAN_RADAR | - IEEE80211_CHAN_NO_IR); - if (channel & WL_CHAN_PASSIVE) - band_chan_arr[index].flags |= - IEEE80211_CHAN_NO_IR; - } + channel[index].flags = IEEE80211_CHAN_NO_HT40 | + IEEE80211_CHAN_NO_80MHZ; + ch.bw = BRCMU_CHAN_BW_20; + cfg->d11inf.encchspec(&ch); + chaninfo = ch.chspec; + err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info", + &chaninfo); + if (!err) { + if (chaninfo & WL_CHAN_RADAR) + channel[index].flags |= + (IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_NO_IR); + if (chaninfo & WL_CHAN_PASSIVE) + channel[index].flags |= + IEEE80211_CHAN_NO_IR; } - if (!update) - (*n_cnt)++; } + if (index == band->n_channels) + band->n_channels++; } -exit: + kfree(pbuf); + return 0; + +fail_band2g: + kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels); + kfree(wiphy->bands[IEEE80211_BAND_2GHZ]); + wiphy->bands[IEEE80211_BAND_2GHZ] = NULL; +fail_pbuf: kfree(pbuf); return err; } +static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg) +{ + struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); + struct ieee80211_supported_band *band; + struct brcmf_fil_bwcap_le band_bwcap; + struct brcmf_chanspec_list *list; + u8 *pbuf; + u32 val; + int err; + struct brcmu_chan ch; + u32 num_chan; + int i, j; + + /* verify support for bw_cap command */ + val = WLC_BAND_5G; + err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val); + + if (!err) { + /* only set 2G bandwidth using bw_cap command */ + band_bwcap.band = cpu_to_le32(WLC_BAND_2G); + band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ); + err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap, + sizeof(band_bwcap)); + } else { + brcmf_dbg(INFO, "fallback to mimo_bw_cap\n"); + val = WLC_N_BW_40ALL; + err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val); + } + + if (!err) { + /* update channel info in 2G band */ + pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); + + if (pbuf == NULL) + return -ENOMEM; + + ch.band = BRCMU_CHAN_BAND_2G; + ch.bw = BRCMU_CHAN_BW_40; + ch.chnum = 0; + cfg->d11inf.encchspec(&ch); + + /* pass encoded chanspec in query */ + *(__le16 *)pbuf = cpu_to_le16(ch.chspec); + + err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf, + BRCMF_DCMD_MEDLEN); + if (err) { + brcmf_err("get chanspecs error (%d)\n", err); + kfree(pbuf); + return err; + } + + band = cfg_to_wiphy(cfg)->bands[IEEE80211_BAND_2GHZ]; + list = (struct brcmf_chanspec_list *)pbuf; + num_chan = le32_to_cpu(list->count); + for (i = 0; i < num_chan; i++) { + ch.chspec = (u16)le32_to_cpu(list->element[i]); + cfg->d11inf.decchspec(&ch); + if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G)) + continue; + if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40)) + continue; + for (j = 0; j < band->n_channels; j++) { + if (band->channels[j].hw_value == ch.chnum) + break; + } + if (WARN_ON(j == band->n_channels)) + continue; + + brcmf_update_bw40_channel_flag(&band->channels[j], &ch); + } + } + return err; +} + static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[]) { u32 band, mimo_bwcap; @@ -5394,44 +5218,19 @@ static void brcmf_update_vht_cap(struct ieee80211_supported_band *band, band->vht_cap.vht_mcs.tx_mcs_map = mcs_map; } -static s32 brcmf_update_wiphybands(struct brcmf_cfg80211_info *cfg) +static int brcmf_setup_wiphybands(struct wiphy *wiphy) { + struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); - struct wiphy *wiphy; - s32 phy_list; - u32 band_list[3]; u32 nmode = 0; u32 vhtmode = 0; - u32 bw_cap[2] = { 0, 0 }; + u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT }; u32 rxchain; u32 nchain; - s8 phy; - s32 err; - u32 nband; + int err; s32 i; - struct ieee80211_supported_band *bands[2] = { NULL, NULL }; struct ieee80211_supported_band *band; - err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_PHYLIST, - &phy_list, sizeof(phy_list)); - if (err) { - brcmf_err("BRCMF_C_GET_PHYLIST error (%d)\n", err); - return err; - } - - phy = ((char *)&phy_list)[0]; - brcmf_dbg(INFO, "BRCMF_C_GET_PHYLIST reported: %c phy\n", phy); - - - err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BANDLIST, - &band_list, sizeof(band_list)); - if (err) { - brcmf_err("BRCMF_C_GET_BANDLIST error (%d)\n", err); - return err; - } - brcmf_dbg(INFO, "BRCMF_C_GET_BANDLIST reported: 0x%08x 0x%08x 0x%08x phy\n", - band_list[0], band_list[1], band_list[2]); - (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode); err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode); if (err) { @@ -5453,44 +5252,129 @@ static s32 brcmf_update_wiphybands(struct brcmf_cfg80211_info *cfg) } brcmf_dbg(INFO, "nchain=%d\n", nchain); - err = brcmf_construct_reginfo(cfg, bw_cap); + err = brcmf_construct_chaninfo(cfg, bw_cap); if (err) { - brcmf_err("brcmf_construct_reginfo failed (%d)\n", err); + brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err); return err; } - nband = band_list[0]; - - for (i = 1; i <= nband && i < ARRAY_SIZE(band_list); i++) { - band = NULL; - if ((band_list[i] == WLC_BAND_5G) && - (__wl_band_5ghz_a.n_channels > 0)) - band = &__wl_band_5ghz_a; - else if ((band_list[i] == WLC_BAND_2G) && - (__wl_band_2ghz.n_channels > 0)) - band = &__wl_band_2ghz; - else + wiphy = cfg_to_wiphy(cfg); + for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) { + band = wiphy->bands[i]; + if (band == NULL) continue; if (nmode) brcmf_update_ht_cap(band, bw_cap, nchain); if (vhtmode) brcmf_update_vht_cap(band, bw_cap, nchain); - bands[band->band] = band; } - wiphy = cfg_to_wiphy(cfg); - wiphy->bands[IEEE80211_BAND_2GHZ] = bands[IEEE80211_BAND_2GHZ]; - wiphy->bands[IEEE80211_BAND_5GHZ] = bands[IEEE80211_BAND_5GHZ]; - wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom); - - return err; + return 0; } +static const struct ieee80211_iface_limit brcmf_iface_limits[] = { + { + .max = 2, + .types = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_ADHOC) | + BIT(NL80211_IFTYPE_AP) + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO) + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_P2P_DEVICE) + } +}; +static struct ieee80211_iface_combination brcmf_iface_combos[] = { + { + .max_interfaces = BRCMF_IFACE_MAX_CNT, + .num_different_channels = 1, + .n_limits = ARRAY_SIZE(brcmf_iface_limits), + .limits = brcmf_iface_limits + } +}; + +static const struct ieee80211_txrx_stypes +brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = { + [NL80211_IFTYPE_STATION] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, + [NL80211_IFTYPE_P2P_CLIENT] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, + [NL80211_IFTYPE_P2P_GO] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | + BIT(IEEE80211_STYPE_DISASSOC >> 4) | + BIT(IEEE80211_STYPE_AUTH >> 4) | + BIT(IEEE80211_STYPE_DEAUTH >> 4) | + BIT(IEEE80211_STYPE_ACTION >> 4) + }, + [NL80211_IFTYPE_P2P_DEVICE] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + } +}; -static s32 brcmf_dongle_probecap(struct brcmf_cfg80211_info *cfg) +static void brcmf_wiphy_pno_params(struct wiphy *wiphy) { - return brcmf_update_wiphybands(cfg); + /* scheduled scan settings */ + wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT; + wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT; + wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; + wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; +} + +static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp) +{ + struct ieee80211_iface_combination ifc_combo; + wiphy->max_scan_ssids = WL_NUM_SCAN_MAX; + wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; + wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX; + wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_ADHOC) | + BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO) | + BIT(NL80211_IFTYPE_P2P_DEVICE); + /* need VSDB firmware feature for concurrent channels */ + ifc_combo = brcmf_iface_combos[0]; + if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN)) + ifc_combo.num_different_channels = 2; + wiphy->iface_combinations = kmemdup(&ifc_combo, + sizeof(ifc_combo), + GFP_KERNEL); + wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos); + wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; + wiphy->cipher_suites = __wl_cipher_suites; + wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites); + wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT | + WIPHY_FLAG_OFFCHAN_TX | + WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | + WIPHY_FLAG_SUPPORTS_TDLS; + if (!brcmf_roamoff) + wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM; + wiphy->mgmt_stypes = brcmf_txrx_stypes; + wiphy->max_remain_on_channel_duration = 5000; + brcmf_wiphy_pno_params(wiphy); + + /* vendor commands/events support */ + wiphy->vendor_commands = brcmf_vendor_cmds; + wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1; + + return brcmf_setup_wiphybands(wiphy); } static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg) @@ -5528,9 +5412,6 @@ static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg) NULL, NULL); if (err) goto default_conf_out; - err = brcmf_dongle_probecap(cfg); - if (err) - goto default_conf_out; brcmf_configure_arp_offload(ifp, true); @@ -5658,3 +5539,150 @@ int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg, vif_event_equals(event, action), timeout); } +static void brcmf_free_wiphy(struct wiphy *wiphy) +{ + kfree(wiphy->iface_combinations); + if (wiphy->bands[IEEE80211_BAND_2GHZ]) { + kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels); + kfree(wiphy->bands[IEEE80211_BAND_2GHZ]); + } + if (wiphy->bands[IEEE80211_BAND_5GHZ]) { + kfree(wiphy->bands[IEEE80211_BAND_5GHZ]->channels); + kfree(wiphy->bands[IEEE80211_BAND_5GHZ]); + } + wiphy_free(wiphy); +} + +struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, + struct device *busdev) +{ + struct net_device *ndev = drvr->iflist[0]->ndev; + struct brcmf_cfg80211_info *cfg; + struct wiphy *wiphy; + struct brcmf_cfg80211_vif *vif; + struct brcmf_if *ifp; + s32 err = 0; + s32 io_type; + u16 *cap = NULL; + + if (!ndev) { + brcmf_err("ndev is invalid\n"); + return NULL; + } + + ifp = netdev_priv(ndev); + wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info)); + if (!wiphy) { + brcmf_err("Could not allocate wiphy device\n"); + return NULL; + } + set_wiphy_dev(wiphy, busdev); + + cfg = wiphy_priv(wiphy); + cfg->wiphy = wiphy; + cfg->pub = drvr; + init_vif_event(&cfg->vif_event); + INIT_LIST_HEAD(&cfg->vif_list); + + vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false); + if (IS_ERR(vif)) + goto wiphy_out; + + vif->ifp = ifp; + vif->wdev.netdev = ndev; + ndev->ieee80211_ptr = &vif->wdev; + SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy)); + + err = wl_init_priv(cfg); + if (err) { + brcmf_err("Failed to init iwm_priv (%d)\n", err); + brcmf_free_vif(vif); + goto wiphy_out; + } + ifp->vif = vif; + + /* determine d11 io type before wiphy setup */ + err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type); + if (err) { + brcmf_err("Failed to get D11 version (%d)\n", err); + goto priv_out; + } + cfg->d11inf.io_type = (u8)io_type; + brcmu_d11_attach(&cfg->d11inf); + + err = brcmf_setup_wiphy(wiphy, ifp); + if (err < 0) + goto priv_out; + + brcmf_dbg(INFO, "Registering custom regulatory\n"); + wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG; + wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom); + + /* firmware defaults to 40MHz disabled in 2G band. We signal + * cfg80211 here that we do and have it decide we can enable + * it. But first check if device does support 2G operation. + */ + if (wiphy->bands[IEEE80211_BAND_2GHZ]) { + cap = &wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.cap; + *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; + } + err = wiphy_register(wiphy); + if (err < 0) { + brcmf_err("Could not register wiphy device (%d)\n", err); + goto priv_out; + } + + /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(), + * setup 40MHz in 2GHz band and enable OBSS scanning. + */ + if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) { + err = brcmf_enable_bw40_2g(cfg); + if (!err) + err = brcmf_fil_iovar_int_set(ifp, "obss_coex", + BRCMF_OBSS_COEX_AUTO); + else + *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; + } + + err = brcmf_p2p_attach(cfg); + if (err) { + brcmf_err("P2P initilisation failed (%d)\n", err); + goto wiphy_unreg_out; + } + err = brcmf_btcoex_attach(cfg); + if (err) { + brcmf_err("BT-coex initialisation failed (%d)\n", err); + brcmf_p2p_detach(&cfg->p2p); + goto wiphy_unreg_out; + } + + err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1); + if (err) { + brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err); + wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS; + } + + return cfg; + +wiphy_unreg_out: + wiphy_unregister(cfg->wiphy); +priv_out: + wl_deinit_priv(cfg); + brcmf_free_vif(vif); +wiphy_out: + brcmf_free_wiphy(wiphy); + return NULL; +} + +void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg) +{ + if (!cfg) + return; + + WARN_ON(!list_empty(&cfg->vif_list)); + wiphy_unregister(cfg->wiphy); + brcmf_btcoex_detach(cfg); + brcmf_p2p_detach(&cfg->p2p); + wl_deinit_priv(cfg); + brcmf_free_wiphy(cfg->wiphy); +} |
