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Wed, 03 Jul 2024 14:42:59 -0700 (PDT) From: sean.wang@kernel.org To: nbd@nbd.name, lorenzo.bianconi@redhat.com Cc: sean.wang@mediatek.com, deren.wu@mediatek.com, mingyen.hsieh@mediatek.com, linux-wireless@vger.kernel.org, linux-mediatek@lists.infradead.org Subject: [PATCH 05/29] wifi: mt76: mt7925: add mt7925_set_link_key Date: Wed, 3 Jul 2024 14:42:10 -0700 Message-Id: <6526aeab0d71104fff8453e086f8afe0d5eec70c.1720042294.git.sean.wang@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Sean Wang add mt7925_set_link_key to set up the key according to the link id Co-developed-by: Ming Yen Hsieh Signed-off-by: Ming Yen Hsieh Co-developed-by: Deren Wu Signed-off-by: Deren Wu Signed-off-by: Sean Wang --- .../net/wireless/mediatek/mt76/mt7925/main.c | 66 ++++++++++++------- 1 file changed, 42 insertions(+), 24 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/main.c b/drivers/net/wireless/mediatek/mt76/mt7925/main.c index 0b486afe9352..264517fd3bf7 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/main.c @@ -499,31 +499,28 @@ static int mt7925_cancel_remain_on_channel(struct ieee80211_hw *hw, return mt7925_abort_roc(phy, &mvif->bss_conf); } -static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, - struct ieee80211_vif *vif, struct ieee80211_sta *sta, - struct ieee80211_key_conf *key) +static int mt7925_set_link_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, + struct ieee80211_vif *vif, struct ieee80211_sta *sta, + struct ieee80211_key_conf *key, int link_id) { struct mt792x_dev *dev = mt792x_hw_dev(hw); struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : &mvif->sta; - struct ieee80211_link_sta *link_sta = sta ? &sta->deflink : NULL; - struct mt76_wcid *wcid = &msta->deflink.wcid; struct ieee80211_bss_conf *link_conf; - u8 *wcid_keyidx = &wcid->hw_key_idx; + struct ieee80211_link_sta *link_sta; int idx = key->keyidx, err = 0; + struct mt792x_link_sta *mlink; + struct mt792x_bss_conf *mconf; + struct mt76_wcid *wcid; + u8 *wcid_keyidx; - link_conf = mt792x_vif_to_bss_conf(vif, vif->bss_conf.link_id); - - /* The hardware does not support per-STA RX GTK, fallback - * to software mode for these. - */ - if ((vif->type == NL80211_IFTYPE_ADHOC || - vif->type == NL80211_IFTYPE_MESH_POINT) && - (key->cipher == WLAN_CIPHER_SUITE_TKIP || - key->cipher == WLAN_CIPHER_SUITE_CCMP) && - !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) - return -EOPNOTSUPP; + link_conf = mt792x_vif_to_bss_conf(vif, link_id); + link_sta = sta ? mt792x_sta_to_link_sta(vif, sta, link_id) : NULL; + mconf = mt792x_vif_to_link(mvif, link_id); + mlink = mt792x_sta_to_link(msta, link_id); + wcid = &mlink->wcid; + wcid_keyidx = &wcid->hw_key_idx; /* fall back to sw encryption for unsupported ciphers */ switch (key->cipher) { @@ -547,12 +544,10 @@ static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, return -EOPNOTSUPP; } - mt792x_mutex_acquire(dev); - - if (cmd == SET_KEY && !mvif->bss_conf.mt76.cipher) { + if (cmd == SET_KEY && !mconf->mt76.cipher) { struct mt792x_phy *phy = mt792x_hw_phy(hw); - mvif->bss_conf.mt76.cipher = mt7925_mcu_get_cipher(key->cipher); + mconf->mt76.cipher = mt7925_mcu_get_cipher(key->cipher); mt7925_mcu_add_bss_info(phy, mvif->bss_conf.mt76.ctx, link_conf, link_sta, true); } @@ -567,9 +562,9 @@ static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, mt76_wcid_key_setup(&dev->mt76, wcid, cmd == SET_KEY ? key : NULL); - err = mt7925_mcu_add_key(&dev->mt76, vif, &msta->deflink.bip, + err = mt7925_mcu_add_key(&dev->mt76, vif, &mlink->bip, key, MCU_UNI_CMD(STA_REC_UPDATE), - &msta->deflink.wcid, cmd); + &mlink->wcid, cmd); if (err) goto out; @@ -579,8 +574,31 @@ static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, err = mt7925_mcu_add_key(&dev->mt76, vif, &mvif->wep_sta->deflink.bip, key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), &mvif->wep_sta->deflink.wcid, cmd); - out: + return err; +} + +static int mt7925_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 mt792x_dev *dev = mt792x_hw_dev(hw); + int err; + + /* The hardware does not support per-STA RX GTK, fallback + * to software mode for these. + */ + if ((vif->type == NL80211_IFTYPE_ADHOC || + vif->type == NL80211_IFTYPE_MESH_POINT) && + (key->cipher == WLAN_CIPHER_SUITE_TKIP || + key->cipher == WLAN_CIPHER_SUITE_CCMP) && + !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) + return -EOPNOTSUPP; + + mt792x_mutex_acquire(dev); + + err = mt7925_set_link_key(hw, cmd, vif, sta, key, vif->bss_conf.link_id); + mt792x_mutex_release(dev); return err;