diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mac80211.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mac80211.c | 78 |
1 files changed, 43 insertions, 35 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c index ec9efb79985f..1a2c143b34d0 100644 --- a/drivers/net/wireless/mediatek/mt76/mac80211.c +++ b/drivers/net/wireless/mediatek/mt76/mac80211.c @@ -1,17 +1,6 @@ +// SPDX-License-Identifier: ISC /* * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> - * - * 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/of.h> #include "mt76.h" @@ -294,6 +283,8 @@ mt76_alloc_device(struct device *pdev, unsigned int size, init_waitqueue_head(&dev->tx_wait); skb_queue_head_init(&dev->status_list); + tasklet_init(&dev->tx_tasklet, mt76_tx_tasklet, (unsigned long)dev); + return dev; } EXPORT_SYMBOL_GPL(mt76_alloc_device); @@ -415,11 +406,6 @@ void mt76_set_channel(struct mt76_dev *dev) bool offchannel = hw->conf.flags & IEEE80211_CONF_OFFCHANNEL; int timeout = HZ / 5; - if (offchannel) - set_bit(MT76_OFFCHANNEL, &dev->state); - else - clear_bit(MT76_OFFCHANNEL, &dev->state); - wait_event_timeout(dev->tx_wait, !mt76_has_tx_pending(dev), timeout); if (dev->drv->update_survey) @@ -487,9 +473,10 @@ void mt76_wcid_key_setup(struct mt76_dev *dev, struct mt76_wcid *wcid, if (!key) return; - if (key->cipher == WLAN_CIPHER_SUITE_CCMP) - wcid->rx_check_pn = true; + if (key->cipher != WLAN_CIPHER_SUITE_CCMP) + return; + wcid->rx_check_pn = true; for (i = 0; i < IEEE80211_NUM_TIDS; i++) { ieee80211_get_key_rx_seq(key, i, &seq); memcpy(wcid->rx_key_pn[i], seq.ccmp.pn, sizeof(seq.ccmp.pn)); @@ -497,12 +484,12 @@ void mt76_wcid_key_setup(struct mt76_dev *dev, struct mt76_wcid *wcid, } EXPORT_SYMBOL(mt76_wcid_key_setup); -struct ieee80211_sta *mt76_rx_convert(struct sk_buff *skb) +static struct ieee80211_sta *mt76_rx_convert(struct sk_buff *skb) { struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); struct mt76_rx_status mstat; - mstat = *((struct mt76_rx_status *) skb->cb); + mstat = *((struct mt76_rx_status *)skb->cb); memset(status, 0, sizeof(*status)); status->flag = mstat.flag; @@ -517,17 +504,18 @@ struct ieee80211_sta *mt76_rx_convert(struct sk_buff *skb) status->chains = mstat.chains; BUILD_BUG_ON(sizeof(mstat) > sizeof(skb->cb)); - BUILD_BUG_ON(sizeof(status->chain_signal) != sizeof(mstat.chain_signal)); - memcpy(status->chain_signal, mstat.chain_signal, sizeof(mstat.chain_signal)); + BUILD_BUG_ON(sizeof(status->chain_signal) != + sizeof(mstat.chain_signal)); + memcpy(status->chain_signal, mstat.chain_signal, + sizeof(mstat.chain_signal)); return wcid_to_sta(mstat.wcid); } -EXPORT_SYMBOL(mt76_rx_convert); static int mt76_check_ccmp_pn(struct sk_buff *skb) { - struct mt76_rx_status *status = (struct mt76_rx_status *) skb->cb; + struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb; struct mt76_wcid *wcid = status->wcid; struct ieee80211_hdr *hdr; int ret; @@ -543,7 +531,7 @@ mt76_check_ccmp_pn(struct sk_buff *skb) * Validate the first fragment both here and in mac80211 * All further fragments will be validated by mac80211 only. */ - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr *)skb->data; if (ieee80211_is_frag(hdr) && !ieee80211_is_first_frag(hdr->frame_control)) return 0; @@ -566,8 +554,8 @@ mt76_check_ccmp_pn(struct sk_buff *skb) static void mt76_check_sta(struct mt76_dev *dev, struct sk_buff *skb) { - struct mt76_rx_status *status = (struct mt76_rx_status *) skb->cb; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct ieee80211_sta *sta; struct mt76_wcid *wcid = status->wcid; bool ps; @@ -576,13 +564,13 @@ mt76_check_sta(struct mt76_dev *dev, struct sk_buff *skb) if (ieee80211_is_pspoll(hdr->frame_control) && !wcid) { sta = ieee80211_find_sta_by_ifaddr(dev->hw, hdr->addr2, NULL); if (sta) - wcid = status->wcid = (struct mt76_wcid *) sta->drv_priv; + wcid = status->wcid = (struct mt76_wcid *)sta->drv_priv; } if (!wcid || !wcid->sta) return; - sta = container_of((void *) wcid, struct ieee80211_sta, drv_priv); + sta = container_of((void *)wcid, struct ieee80211_sta, drv_priv); if (status->signal <= 0) ewma_signal_add(&wcid->rssi, -status->signal); @@ -598,8 +586,8 @@ mt76_check_sta(struct mt76_dev *dev, struct sk_buff *skb) } if (ieee80211_has_morefrags(hdr->frame_control) || - !(ieee80211_is_mgmt(hdr->frame_control) || - ieee80211_is_data(hdr->frame_control))) + !(ieee80211_is_mgmt(hdr->frame_control) || + ieee80211_is_data(hdr->frame_control))) return; ps = ieee80211_has_pm(hdr->frame_control); @@ -628,7 +616,7 @@ mt76_check_sta(struct mt76_dev *dev, struct sk_buff *skb) if (!sta->txq[i]) continue; - mtxq = (struct mt76_txq *) sta->txq[i]->drv_priv; + mtxq = (struct mt76_txq *)sta->txq[i]->drv_priv; if (!skb_queue_empty(&mtxq->retry_q)) ieee80211_schedule_txq(dev->hw, sta->txq[i]); } @@ -714,6 +702,9 @@ void __mt76_sta_remove(struct mt76_dev *dev, struct ieee80211_vif *vif, rcu_assign_pointer(dev->wcid[idx], NULL); synchronize_rcu(); + for (i = 0; i < ARRAY_SIZE(wcid->aggr); i++) + mt76_rx_aggr_stop(dev, wcid, i); + if (dev->drv->sta_remove) dev->drv->sta_remove(dev, vif, sta); @@ -750,7 +741,7 @@ int mt76_sta_state(struct ieee80211_hw *hw, struct ieee80211_vif *vif, dev->drv->sta_assoc(dev, vif, sta); if (old_state == IEEE80211_STA_NONE && - new_state == IEEE80211_STA_NOTEXIST) + new_state == IEEE80211_STA_NOTEXIST) mt76_sta_remove(dev, vif, sta); return 0; @@ -790,7 +781,7 @@ static void __mt76_csa_finish(void *priv, u8 *mac, struct ieee80211_vif *vif) { if (vif->csa_active && ieee80211_csa_is_complete(vif)) - ieee80211_csa_finish(vif); + ieee80211_csa_finish(vif); } void mt76_csa_finish(struct mt76_dev *dev) @@ -878,3 +869,20 @@ int mt76_get_rate(struct mt76_dev *dev, return 0; } EXPORT_SYMBOL_GPL(mt76_get_rate); + +void mt76_sw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + const u8 *mac) +{ + struct mt76_dev *dev = hw->priv; + + set_bit(MT76_SCANNING, &dev->state); +} +EXPORT_SYMBOL_GPL(mt76_sw_scan); + +void mt76_sw_scan_complete(struct ieee80211_hw *hw, struct ieee80211_vif *vif) +{ + struct mt76_dev *dev = hw->priv; + + clear_bit(MT76_SCANNING, &dev->state); +} +EXPORT_SYMBOL_GPL(mt76_sw_scan_complete); |