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wifi: mt76: mt7925: add mt7925_set_link_key

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add mt7925_set_link_key to set up the key according to the link id

Co-developed-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Co-developed-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Link: https://patch.msgid.link/e8cd7d37484be238a4eb9e500ef2b8aa46e43667.1720248331.git.sean.wang@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Sean Wang 2024-07-06 01:27:45 -07:00 • committed by Felix Fietkau
parent 00e1ca0cad
commit 7cf7785a92
3 changed files with 61 additions and 37 deletions
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70
drivers/net/wireless/mediatek/mt76/mt7925/main.c
View file

@ -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) {
@ -547,13 +544,11 @@ 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);
mt7925_mcu_add_bss_info(phy, mvif->bss_conf.mt76.ctx, link_conf,
mconf->mt76.cipher = mt7925_mcu_get_cipher(key->cipher);
mt7925_mcu_add_bss_info(phy, mconf->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, msta);
if (err)
goto out;
@ -578,9 +573,32 @@ static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
key->cipher == WLAN_CIPHER_SUITE_WEP40)
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);
&mvif->wep_sta->deflink.wcid, cmd, msta);
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;

25
drivers/net/wireless/mediatek/mt76/mt7925/mcu.c
View file

@ -961,13 +961,12 @@ mt7925_mcu_sta_key_tlv(struct mt76_wcid *wcid,
struct mt76_connac_sta_key_conf *sta_key_conf,
struct sk_buff *skb,
struct ieee80211_key_conf *key,
enum set_key_cmd cmd)
enum set_key_cmd cmd,
struct mt792x_sta *msta)
{
struct mt792x_link_sta *mlink = container_of(wcid, struct mt792x_link_sta, wcid);
struct mt792x_sta *msta = container_of(mlink, struct mt792x_sta, deflink);
struct sta_rec_sec_uni *sec;
struct mt792x_vif *mvif = msta->vif;
struct mt792x_bss_conf *mconf = mt792x_vif_to_link(mvif, wcid->link_id);
struct sta_rec_sec_uni *sec;
struct ieee80211_sta *sta;
struct ieee80211_vif *vif;
struct tlv *tlv;
@ -990,12 +989,16 @@ mt7925_mcu_sta_key_tlv(struct mt76_wcid *wcid,
sec->tx_key = 1;
sec->key_type = 1;
link_sta = mt792x_sta_to_link_sta(vif, sta, wcid->link_id);
memcpy(sec->peer_addr, link_sta->addr, ETH_ALEN);
if (link_sta)
memcpy(sec->peer_addr, link_sta->addr, ETH_ALEN);
} else {
struct ieee80211_bss_conf *link_conf;
link_conf = mt792x_vif_to_bss_conf(vif, wcid->link_id);
memcpy(sec->peer_addr, link_conf->bssid, ETH_ALEN);
if (link_conf)
memcpy(sec->peer_addr, link_conf->bssid, ETH_ALEN);
}
if (cmd == SET_KEY) {
@ -1040,18 +1043,20 @@ mt7925_mcu_sta_key_tlv(struct mt76_wcid *wcid,
int mt7925_mcu_add_key(struct mt76_dev *dev, struct ieee80211_vif *vif,
struct mt76_connac_sta_key_conf *sta_key_conf,
struct ieee80211_key_conf *key, int mcu_cmd,
struct mt76_wcid *wcid, enum set_key_cmd cmd)
struct mt76_wcid *wcid, enum set_key_cmd cmd,
struct mt792x_sta *msta)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
struct mt792x_bss_conf *mconf = mt792x_vif_to_link(mvif, wcid->link_id);
struct sk_buff *skb;
int ret;
skb = __mt76_connac_mcu_alloc_sta_req(dev, mvif, wcid,
skb = __mt76_connac_mcu_alloc_sta_req(dev, &mconf->mt76, wcid,
MT7925_STA_UPDATE_MAX_SIZE);
if (IS_ERR(skb))
return PTR_ERR(skb);
ret = mt7925_mcu_sta_key_tlv(wcid, sta_key_conf, skb, key, cmd);
ret = mt7925_mcu_sta_key_tlv(wcid, sta_key_conf, skb, key, cmd, msta);
if (ret)
return ret;

3
drivers/net/wireless/mediatek/mt76/mt7925/mt7925.h
View file

@ -304,7 +304,8 @@ int mt7925_mcu_fill_message(struct mt76_dev *mdev, struct sk_buff *skb,
int mt7925_mcu_add_key(struct mt76_dev *dev, struct ieee80211_vif *vif,
struct mt76_connac_sta_key_conf *sta_key_conf,
struct ieee80211_key_conf *key, int mcu_cmd,
struct mt76_wcid *wcid, enum set_key_cmd cmd);
struct mt76_wcid *wcid, enum set_key_cmd cmd,
struct mt792x_sta *msta);
int mt7925_mcu_set_rts_thresh(struct mt792x_phy *phy, u32 val);
int mt7925_mcu_wtbl_update_hdr_trans(struct mt792x_dev *dev,
struct ieee80211_vif *vif,