Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Jakub Kiciński | 1964 | 93.30% | 2 | 16.67% |
Lorenzo Bianconi | 50 | 2.38% | 2 | 16.67% |
Sara Sharon | 33 | 1.57% | 1 | 8.33% |
Stanislaw Gruszka | 24 | 1.14% | 1 | 8.33% |
Johannes Berg | 24 | 1.14% | 3 | 25.00% |
Alexander Wetzel | 5 | 0.24% | 1 | 8.33% |
Emmanuel Grumbach | 3 | 0.14% | 1 | 8.33% |
Thomas Gleixner | 2 | 0.10% | 1 | 8.33% |
Total | 2105 | 12 |
// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> */ #include "mt7601u.h" #include "mac.h" #include <linux/etherdevice.h> static int mt7601u_start(struct ieee80211_hw *hw) { struct mt7601u_dev *dev = hw->priv; int ret; mutex_lock(&dev->mutex); ret = mt7601u_mac_start(dev); if (ret) goto out; ieee80211_queue_delayed_work(dev->hw, &dev->mac_work, MT_CALIBRATE_INTERVAL); ieee80211_queue_delayed_work(dev->hw, &dev->cal_work, MT_CALIBRATE_INTERVAL); out: mutex_unlock(&dev->mutex); return ret; } static void mt7601u_stop(struct ieee80211_hw *hw, bool suspend) { struct mt7601u_dev *dev = hw->priv; mutex_lock(&dev->mutex); cancel_delayed_work_sync(&dev->cal_work); cancel_delayed_work_sync(&dev->mac_work); mt7601u_mac_stop(dev); mutex_unlock(&dev->mutex); } static int mt7601u_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct mt7601u_dev *dev = hw->priv; struct mt76_vif *mvif = (struct mt76_vif *) vif->drv_priv; unsigned int idx = 0; unsigned int wcid = GROUP_WCID(idx); /* Note: for AP do the AP-STA things mt76 does: * - beacon offsets * - do mac address tricks * - shift vif idx */ mvif->idx = idx; if (!ether_addr_equal(dev->macaddr, vif->addr)) mt7601u_set_macaddr(dev, vif->addr); if (dev->wcid_mask[wcid / BITS_PER_LONG] & BIT(wcid % BITS_PER_LONG)) return -ENOSPC; dev->wcid_mask[wcid / BITS_PER_LONG] |= BIT(wcid % BITS_PER_LONG); mvif->group_wcid.idx = wcid; mvif->group_wcid.hw_key_idx = -1; return 0; } static void mt7601u_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct mt7601u_dev *dev = hw->priv; struct mt76_vif *mvif = (struct mt76_vif *) vif->drv_priv; unsigned int wcid = mvif->group_wcid.idx; dev->wcid_mask[wcid / BITS_PER_LONG] &= ~BIT(wcid % BITS_PER_LONG); } static int mt7601u_config(struct ieee80211_hw *hw, u32 changed) { struct mt7601u_dev *dev = hw->priv; int ret = 0; mutex_lock(&dev->mutex); if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { ieee80211_stop_queues(hw); ret = mt7601u_phy_set_channel(dev, &hw->conf.chandef); ieee80211_wake_queues(hw); } mutex_unlock(&dev->mutex); return ret; } static void mt76_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags, unsigned int *total_flags, u64 multicast) { struct mt7601u_dev *dev = hw->priv; u32 flags = 0; #define MT76_FILTER(_flag, _hw) do { \ flags |= *total_flags & FIF_##_flag; \ dev->rxfilter &= ~(_hw); \ dev->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ } while (0) mutex_lock(&dev->mutex); dev->rxfilter &= ~MT_RX_FILTR_CFG_OTHER_BSS; MT76_FILTER(OTHER_BSS, MT_RX_FILTR_CFG_PROMISC); MT76_FILTER(FCSFAIL, MT_RX_FILTR_CFG_CRC_ERR); MT76_FILTER(PLCPFAIL, MT_RX_FILTR_CFG_PHY_ERR); MT76_FILTER(CONTROL, MT_RX_FILTR_CFG_ACK | MT_RX_FILTR_CFG_CTS | MT_RX_FILTR_CFG_CFEND | MT_RX_FILTR_CFG_CFACK | MT_RX_FILTR_CFG_BA | MT_RX_FILTR_CFG_CTRL_RSV); MT76_FILTER(PSPOLL, MT_RX_FILTR_CFG_PSPOLL); *total_flags = flags; mt76_wr(dev, MT_RX_FILTR_CFG, dev->rxfilter); mutex_unlock(&dev->mutex); } static void mt7601u_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *info, u64 changed) { struct mt7601u_dev *dev = hw->priv; mutex_lock(&dev->mutex); if (changed & BSS_CHANGED_ASSOC) mt7601u_phy_con_cal_onoff(dev, info); if (changed & BSS_CHANGED_BSSID) { mt7601u_addr_wr(dev, MT_MAC_BSSID_DW0, info->bssid); /* Note: this is a hack because beacon_int is not changed * on leave nor is any more appropriate event generated. * rt2x00 doesn't seem to be bothered though. */ if (is_zero_ether_addr(info->bssid)) mt7601u_mac_config_tsf(dev, false, 0); } if (changed & BSS_CHANGED_BASIC_RATES) { mt7601u_wr(dev, MT_LEGACY_BASIC_RATE, info->basic_rates); mt7601u_wr(dev, MT_HT_FBK_CFG0, 0x65432100); mt7601u_wr(dev, MT_HT_FBK_CFG1, 0xedcba980); mt7601u_wr(dev, MT_LG_FBK_CFG0, 0xedcba988); mt7601u_wr(dev, MT_LG_FBK_CFG1, 0x00002100); } if (changed & BSS_CHANGED_BEACON_INT) mt7601u_mac_config_tsf(dev, true, info->beacon_int); if (changed & BSS_CHANGED_HT || changed & BSS_CHANGED_ERP_CTS_PROT) mt7601u_mac_set_protection(dev, info->use_cts_prot, info->ht_operation_mode); if (changed & BSS_CHANGED_ERP_PREAMBLE) mt7601u_mac_set_short_preamble(dev, info->use_short_preamble); if (changed & BSS_CHANGED_ERP_SLOT) { int slottime = info->use_short_slot ? 9 : 20; mt76_rmw_field(dev, MT_BKOFF_SLOT_CFG, MT_BKOFF_SLOT_CFG_SLOTTIME, slottime); } if (changed & BSS_CHANGED_ASSOC) mt7601u_phy_recalibrate_after_assoc(dev); mutex_unlock(&dev->mutex); } static int mt76_wcid_alloc(struct mt7601u_dev *dev) { int i, idx = 0; for (i = 0; i < ARRAY_SIZE(dev->wcid_mask); i++) { idx = ffs(~dev->wcid_mask[i]); if (!idx) continue; idx--; dev->wcid_mask[i] |= BIT(idx); break; } idx = i * BITS_PER_LONG + idx; if (idx > 119) return -1; return idx; } static int mt7601u_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct mt7601u_dev *dev = hw->priv; struct mt76_sta *msta = (struct mt76_sta *) sta->drv_priv; struct mt76_vif *mvif = (struct mt76_vif *) vif->drv_priv; int ret = 0; int idx = 0; mutex_lock(&dev->mutex); idx = mt76_wcid_alloc(dev); if (idx < 0) { ret = -ENOSPC; goto out; } msta->wcid.idx = idx; msta->wcid.hw_key_idx = -1; mt7601u_mac_wcid_setup(dev, idx, mvif->idx, sta->addr); mt76_clear(dev, MT_WCID_DROP(idx), MT_WCID_DROP_MASK(idx)); rcu_assign_pointer(dev->wcid[idx], &msta->wcid); mt7601u_mac_set_ampdu_factor(dev); out: mutex_unlock(&dev->mutex); return ret; } static int mt7601u_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct mt7601u_dev *dev = hw->priv; struct mt76_sta *msta = (struct mt76_sta *) sta->drv_priv; int idx = msta->wcid.idx; mutex_lock(&dev->mutex); rcu_assign_pointer(dev->wcid[idx], NULL); mt76_set(dev, MT_WCID_DROP(idx), MT_WCID_DROP_MASK(idx)); dev->wcid_mask[idx / BITS_PER_LONG] &= ~BIT(idx % BITS_PER_LONG); mt7601u_mac_wcid_setup(dev, idx, 0, NULL); mt7601u_mac_set_ampdu_factor(dev); mutex_unlock(&dev->mutex); return 0; } static void mt7601u_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum sta_notify_cmd cmd, struct ieee80211_sta *sta) { } static void mt7601u_sw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, const u8 *mac_addr) { struct mt7601u_dev *dev = hw->priv; mt7601u_agc_save(dev); set_bit(MT7601U_STATE_SCANNING, &dev->state); } static void mt7601u_sw_scan_complete(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct mt7601u_dev *dev = hw->priv; mt7601u_agc_restore(dev); clear_bit(MT7601U_STATE_SCANNING, &dev->state); ieee80211_queue_delayed_work(dev->hw, &dev->cal_work, MT_CALIBRATE_INTERVAL); if (dev->freq_cal.enabled) ieee80211_queue_delayed_work(dev->hw, &dev->freq_cal.work, MT_FREQ_CAL_INIT_DELAY); } static int mt7601u_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ieee80211_key_conf *key) { struct mt7601u_dev *dev = hw->priv; struct mt76_vif *mvif = (struct mt76_vif *) vif->drv_priv; struct mt76_sta *msta = sta ? (struct mt76_sta *) sta->drv_priv : NULL; struct mt76_wcid *wcid = msta ? &msta->wcid : &mvif->group_wcid; int idx = key->keyidx; int ret; /* fall back to sw encryption for unsupported ciphers */ switch (key->cipher) { case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: case WLAN_CIPHER_SUITE_TKIP: case WLAN_CIPHER_SUITE_CCMP: break; default: return -EOPNOTSUPP; } if (cmd == SET_KEY) { key->hw_key_idx = wcid->idx; wcid->hw_key_idx = idx; } else { if (idx == wcid->hw_key_idx) wcid->hw_key_idx = -1; key = NULL; } if (!msta) { if (key || wcid->hw_key_idx == idx) { ret = mt76_mac_wcid_set_key(dev, wcid->idx, key); if (ret) return ret; } return mt76_mac_shared_key_setup(dev, mvif->idx, idx, key); } return mt76_mac_wcid_set_key(dev, msta->wcid.idx, key); } static int mt7601u_set_rts_threshold(struct ieee80211_hw *hw, u32 value) { struct mt7601u_dev *dev = hw->priv; mt76_rmw_field(dev, MT_TX_RTS_CFG, MT_TX_RTS_CFG_THRESH, value); return 0; } static int mt76_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_ampdu_params *params) { struct mt7601u_dev *dev = hw->priv; struct ieee80211_sta *sta = params->sta; enum ieee80211_ampdu_mlme_action action = params->action; u16 tid = params->tid; u16 ssn = params->ssn; struct mt76_sta *msta = (struct mt76_sta *) sta->drv_priv; WARN_ON(msta->wcid.idx > GROUP_WCID(0)); switch (action) { case IEEE80211_AMPDU_RX_START: mt76_set(dev, MT_WCID_ADDR(msta->wcid.idx) + 4, BIT(16 + tid)); break; case IEEE80211_AMPDU_RX_STOP: mt76_clear(dev, MT_WCID_ADDR(msta->wcid.idx) + 4, BIT(16 + tid)); break; case IEEE80211_AMPDU_TX_OPERATIONAL: ieee80211_send_bar(vif, sta->addr, tid, msta->agg_ssn[tid]); break; case IEEE80211_AMPDU_TX_STOP_FLUSH: case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: break; case IEEE80211_AMPDU_TX_START: msta->agg_ssn[tid] = ssn << 4; return IEEE80211_AMPDU_TX_START_IMMEDIATE; case IEEE80211_AMPDU_TX_STOP_CONT: ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); break; } return 0; } static void mt76_sta_rate_tbl_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct mt7601u_dev *dev = hw->priv; struct mt76_sta *msta = (struct mt76_sta *) sta->drv_priv; struct ieee80211_sta_rates *rates; struct ieee80211_tx_rate rate = {}; rcu_read_lock(); rates = rcu_dereference(sta->rates); if (!rates) goto out; rate.idx = rates->rate[0].idx; rate.flags = rates->rate[0].flags; mt76_mac_wcid_set_rate(dev, &msta->wcid, &rate); out: rcu_read_unlock(); } const struct ieee80211_ops mt7601u_ops = { .add_chanctx = ieee80211_emulate_add_chanctx, .remove_chanctx = ieee80211_emulate_remove_chanctx, .change_chanctx = ieee80211_emulate_change_chanctx, .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx, .tx = mt7601u_tx, .wake_tx_queue = ieee80211_handle_wake_tx_queue, .start = mt7601u_start, .stop = mt7601u_stop, .add_interface = mt7601u_add_interface, .remove_interface = mt7601u_remove_interface, .config = mt7601u_config, .configure_filter = mt76_configure_filter, .bss_info_changed = mt7601u_bss_info_changed, .sta_add = mt7601u_sta_add, .sta_remove = mt7601u_sta_remove, .sta_notify = mt7601u_sta_notify, .set_key = mt7601u_set_key, .conf_tx = mt7601u_conf_tx, .sw_scan_start = mt7601u_sw_scan, .sw_scan_complete = mt7601u_sw_scan_complete, .ampdu_action = mt76_ampdu_action, .sta_rate_tbl_update = mt76_sta_rate_tbl_update, .set_rts_threshold = mt7601u_set_rts_threshold, };
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