diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/wow.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/wow.c | 79 |
1 files changed, 64 insertions, 15 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/wow.c b/drivers/net/wireless/realtek/rtw89/wow.c index 5bb7c1a42f1d..5faa51ad896a 100644 --- a/drivers/net/wireless/realtek/rtw89/wow.c +++ b/drivers/net/wireless/realtek/rtw89/wow.c @@ -99,13 +99,26 @@ static int rtw89_rx_pn_to_iv(struct rtw89_dev *rtwdev, ieee80211_get_key_rx_seq(key, 0, &seq); - /* seq.ccmp.pn[] is BE order array */ - pn = u64_encode_bits(seq.ccmp.pn[0], RTW89_KEY_PN_5) | - u64_encode_bits(seq.ccmp.pn[1], RTW89_KEY_PN_4) | - u64_encode_bits(seq.ccmp.pn[2], RTW89_KEY_PN_3) | - u64_encode_bits(seq.ccmp.pn[3], RTW89_KEY_PN_2) | - u64_encode_bits(seq.ccmp.pn[4], RTW89_KEY_PN_1) | - u64_encode_bits(seq.ccmp.pn[5], RTW89_KEY_PN_0); + switch (key->cipher) { + case WLAN_CIPHER_SUITE_TKIP: + pn = u64_encode_bits(seq.tkip.iv32, RTW89_KEY_TKIP_PN_IV32) | + u64_encode_bits(seq.tkip.iv16, RTW89_KEY_TKIP_PN_IV16); + break; + case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_CCMP_256: + case WLAN_CIPHER_SUITE_GCMP_256: + /* seq.ccmp.pn[] is BE order array */ + pn = u64_encode_bits(seq.ccmp.pn[0], RTW89_KEY_PN_5) | + u64_encode_bits(seq.ccmp.pn[1], RTW89_KEY_PN_4) | + u64_encode_bits(seq.ccmp.pn[2], RTW89_KEY_PN_3) | + u64_encode_bits(seq.ccmp.pn[3], RTW89_KEY_PN_2) | + u64_encode_bits(seq.ccmp.pn[4], RTW89_KEY_PN_1) | + u64_encode_bits(seq.ccmp.pn[5], RTW89_KEY_PN_0); + break; + default: + return -EINVAL; + } err = _pn_to_iv(rtwdev, key, iv, pn, key->keyidx); if (err) @@ -177,13 +190,26 @@ static int rtw89_rx_iv_to_pn(struct rtw89_dev *rtwdev, if (err) return err; - /* seq.ccmp.pn[] is BE order array */ - seq.ccmp.pn[0] = u64_get_bits(pn, RTW89_KEY_PN_5); - seq.ccmp.pn[1] = u64_get_bits(pn, RTW89_KEY_PN_4); - seq.ccmp.pn[2] = u64_get_bits(pn, RTW89_KEY_PN_3); - seq.ccmp.pn[3] = u64_get_bits(pn, RTW89_KEY_PN_2); - seq.ccmp.pn[4] = u64_get_bits(pn, RTW89_KEY_PN_1); - seq.ccmp.pn[5] = u64_get_bits(pn, RTW89_KEY_PN_0); + switch (key->cipher) { + case WLAN_CIPHER_SUITE_TKIP: + seq.tkip.iv32 = u64_get_bits(pn, RTW89_KEY_TKIP_PN_IV32); + seq.tkip.iv16 = u64_get_bits(pn, RTW89_KEY_TKIP_PN_IV16); + break; + case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_CCMP_256: + case WLAN_CIPHER_SUITE_GCMP_256: + /* seq.ccmp.pn[] is BE order array */ + seq.ccmp.pn[0] = u64_get_bits(pn, RTW89_KEY_PN_5); + seq.ccmp.pn[1] = u64_get_bits(pn, RTW89_KEY_PN_4); + seq.ccmp.pn[2] = u64_get_bits(pn, RTW89_KEY_PN_3); + seq.ccmp.pn[3] = u64_get_bits(pn, RTW89_KEY_PN_2); + seq.ccmp.pn[4] = u64_get_bits(pn, RTW89_KEY_PN_1); + seq.ccmp.pn[5] = u64_get_bits(pn, RTW89_KEY_PN_0); + break; + default: + return -EINVAL; + } ieee80211_set_key_rx_seq(key, 0, &seq); rtw89_debug(rtwdev, RTW89_DBG_WOW, "%s key %d iv-%*ph to pn-%*ph\n", @@ -285,6 +311,11 @@ static void rtw89_wow_get_key_info_iter(struct ieee80211_hw *hw, switch (key->cipher) { case WLAN_CIPHER_SUITE_TKIP: + if (sta) + memcpy(gtk_info->txmickey, + key->key + NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY, + sizeof(gtk_info->txmickey)); + fallthrough; case WLAN_CIPHER_SUITE_CCMP: case WLAN_CIPHER_SUITE_GCMP: case WLAN_CIPHER_SUITE_CCMP_256: @@ -348,10 +379,27 @@ static void rtw89_wow_set_key_info_iter(struct ieee80211_hw *hw, struct rtw89_wow_aoac_report *aoac_rpt = &rtw_wow->aoac_rpt; struct rtw89_set_key_info_iter_data *iter_data = data; bool update_tx_key_info = iter_data->rx_ready; + u8 tmp[RTW89_MIC_KEY_LEN]; int ret; switch (key->cipher) { case WLAN_CIPHER_SUITE_TKIP: + /* + * TX MIC KEY and RX MIC KEY is oppsite in FW, + * need to swap it before sending to mac80211. + */ + if (!sta && update_tx_key_info && aoac_rpt->rekey_ok && + !iter_data->tkip_gtk_swapped) { + memcpy(tmp, &aoac_rpt->gtk[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY], + RTW89_MIC_KEY_LEN); + memcpy(&aoac_rpt->gtk[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY], + &aoac_rpt->gtk[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY], + RTW89_MIC_KEY_LEN); + memcpy(&aoac_rpt->gtk[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY], + tmp, RTW89_MIC_KEY_LEN); + iter_data->tkip_gtk_swapped = true; + } + fallthrough; case WLAN_CIPHER_SUITE_CCMP: case WLAN_CIPHER_SUITE_GCMP: case WLAN_CIPHER_SUITE_CCMP_256: @@ -642,7 +690,8 @@ static void rtw89_wow_update_key_info(struct rtw89_dev *rtwdev, bool rx_ready) struct rtw89_wow_param *rtw_wow = &rtwdev->wow; struct rtw89_wow_aoac_report *aoac_rpt = &rtw_wow->aoac_rpt; struct rtw89_set_key_info_iter_data data = {.error = false, - .rx_ready = rx_ready}; + .rx_ready = rx_ready, + .tkip_gtk_swapped = false}; struct ieee80211_bss_conf *bss_conf; struct ieee80211_key_conf *key; |