mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
rtlwifi: Add TX report and disable key to force wait until report acked.
When using EAPOL to do a PTK rekey, there is a possible race condition. When msg 3/4 is received, the supplicant will send msg 4/4 and install the new key immediately; however, the driver must make sure that msg 4/4 is sent before installing the new key. We use TX report to ensure it is sent. Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Yan-Hsuan Chuang <yhchuang@realtek.com> Cc: Birming Chiu <birming@realtek.com> Cc: Shaofu <shaofu@realtek.com> Cc: Steven Ting <steventing@realtek.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
parent
79b64ed7a6
commit
8479580b52
@ -1114,6 +1114,9 @@ void rtl_get_tcb_desc(struct ieee80211_hw *hw,
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if (txrate)
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tcb_desc->hw_rate = txrate->hw_value;
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if (rtl_is_tx_report_skb(hw, skb))
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tcb_desc->use_spe_rpt = 1;
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if (ieee80211_is_data(fc)) {
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/*
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*we set data rate INX 0
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@ -1322,21 +1325,13 @@ static void setup_arp_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc)
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ppsc->last_delaylps_stamp_jiffies = jiffies;
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}
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/*should call before software enc*/
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u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx,
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bool is_enc)
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static const u8 *rtl_skb_ether_type_ptr(struct ieee80211_hw *hw,
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struct sk_buff *skb, bool is_enc)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
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__le16 fc = rtl_get_fc(skb);
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u16 ether_type;
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u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb);
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u8 encrypt_header_len = 0;
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u8 offset;
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const struct iphdr *ip;
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if (!ieee80211_is_data(fc))
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goto end;
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switch (rtlpriv->sec.pairwise_enc_algorithm) {
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case WEP40_ENCRYPTION:
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@ -1356,10 +1351,29 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx,
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offset = mac_hdr_len + SNAP_SIZE;
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if (is_enc)
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offset += encrypt_header_len;
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ether_type = be16_to_cpup((__be16 *)(skb->data + offset));
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return skb->data + offset;
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}
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/*should call before software enc*/
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u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx,
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bool is_enc)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
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__le16 fc = rtl_get_fc(skb);
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u16 ether_type;
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const u8 *ether_type_ptr;
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const struct iphdr *ip;
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if (!ieee80211_is_data(fc))
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goto end;
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ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, is_enc);
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ether_type = be16_to_cpup((__be16 *)ether_type_ptr);
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if (ETH_P_IP == ether_type) {
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ip = (struct iphdr *)((u8 *)skb->data + offset +
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ip = (struct iphdr *)((u8 *)ether_type_ptr +
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PROTOC_TYPE_SIZE);
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if (IPPROTO_UDP == ip->protocol) {
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struct udphdr *udp = (struct udphdr *)((u8 *)ip +
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@ -1409,6 +1423,96 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx,
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}
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EXPORT_SYMBOL_GPL(rtl_is_special_data);
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bool rtl_is_tx_report_skb(struct ieee80211_hw *hw, struct sk_buff *skb)
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{
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u16 ether_type;
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const u8 *ether_type_ptr;
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ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, true);
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ether_type = be16_to_cpup((__be16 *)ether_type_ptr);
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/* EAPOL */
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if (ether_type == ETH_P_PAE)
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return true;
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return false;
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}
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static u16 rtl_get_tx_report_sn(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
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u16 sn;
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sn = atomic_inc_return(&tx_report->sn) & 0x0FFF;
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tx_report->last_sent_sn = sn;
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tx_report->last_sent_time = jiffies;
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RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG,
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"Send TX-Report sn=0x%X\n", sn);
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return sn;
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}
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void rtl_get_tx_report(struct rtl_tcb_desc *ptcb_desc, u8 *pdesc,
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struct ieee80211_hw *hw)
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{
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if (ptcb_desc->use_spe_rpt) {
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u16 sn = rtl_get_tx_report_sn(hw);
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SET_TX_DESC_SPE_RPT(pdesc, 1);
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SET_TX_DESC_SW_DEFINE(pdesc, sn);
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}
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}
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EXPORT_SYMBOL_GPL(rtl_get_tx_report);
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void rtl_tx_report_handler(struct ieee80211_hw *hw, u8 *tmp_buf, u8 c2h_cmd_len)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
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u16 sn;
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sn = ((tmp_buf[7] & 0x0F) << 8) | tmp_buf[6];
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tx_report->last_recv_sn = sn;
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RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG,
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"Recv TX-Report st=0x%02X sn=0x%X retry=0x%X\n",
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tmp_buf[0], sn, tmp_buf[2]);
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}
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EXPORT_SYMBOL_GPL(rtl_tx_report_handler);
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bool rtl_check_tx_report_acked(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
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if (tx_report->last_sent_sn == tx_report->last_recv_sn)
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return true;
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if (time_before(tx_report->last_sent_time + 3 * HZ, jiffies)) {
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RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_WARNING,
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"Check TX-Report timeout!!\n");
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return true; /* 3 sec. (timeout) seen as acked */
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}
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return false;
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}
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void rtl_wait_tx_report_acked(struct ieee80211_hw *hw, u32 wait_ms)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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int i;
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for (i = 0; i < wait_ms; i++) {
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if (rtl_check_tx_report_acked(hw))
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break;
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usleep_range(1000, 2000);
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RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
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"Wait 1ms (%d/%d) to disable key.\n", i, wait_ms);
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}
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}
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/*********************************************************
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*
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* functions called by core.c
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@ -107,6 +107,11 @@ enum ap_peer {
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SET_BEACON_PROBE_RSP_CAPABILITY_INFO(__phdr, \
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(GET_BEACON_PROBE_RSP_CAPABILITY_INFO(__phdr) & (~(__val))))
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#define SET_TX_DESC_SPE_RPT(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE((__pdesc) + 8, 19, 1, __val)
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#define SET_TX_DESC_SW_DEFINE(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 0, 12, __val)
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int rtl_init_core(struct ieee80211_hw *hw);
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void rtl_deinit_core(struct ieee80211_hw *hw);
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void rtl_init_rx_config(struct ieee80211_hw *hw);
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@ -123,6 +128,14 @@ bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb);
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u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx,
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bool is_enc);
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bool rtl_is_tx_report_skb(struct ieee80211_hw *hw, struct sk_buff *skb);
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void rtl_get_tx_report(struct rtl_tcb_desc *ptcb_desc, u8 *pdesc,
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struct ieee80211_hw *hw);
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void rtl_tx_report_handler(struct ieee80211_hw *hw, u8 *tmp_buf,
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u8 c2h_cmd_len);
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bool rtl_check_tx_report_acked(struct ieee80211_hw *hw);
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void rtl_wait_tx_report_acked(struct ieee80211_hw *hw, u32 wait_ms);
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void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb);
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int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
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struct ieee80211_sta *sta, u16 tid, u16 *ssn);
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@ -1671,6 +1671,8 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
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*so don't use rtl_cam_reset_all_entry
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*or clear all entry here.
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*/
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rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */
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rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
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break;
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default:
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@ -105,6 +105,7 @@
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#define COMP_EASY_CONCURRENT COMP_USB /* reuse of this bit is OK */
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#define COMP_BT_COEXIST BIT(30)
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#define COMP_IQK BIT(31)
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#define COMP_TX_REPORT BIT_ULL(32)
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/*--------------------------------------------------------------
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Define the rt_print components
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@ -270,7 +270,7 @@ static struct rtl_hal_ops rtl8188ee_hal_ops = {
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static struct rtl_mod_params rtl88ee_mod_params = {
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.sw_crypto = false,
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.inactiveps = false,
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.inactiveps = true,
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.swctrl_lps = false,
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.fwctrl_lps = false,
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.msi_support = true,
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case C2H_8192E_TX_REPORT:
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RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE ,
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"[C2H], C2H_8723BE_TX_REPORT!\n");
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rtl_tx_report_handler(hw, tmp_buf, c2h_cmd_len);
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break;
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case C2H_8192E_BT_INFO:
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RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE,
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static struct rtl_mod_params rtl92ee_mod_params = {
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.sw_crypto = false,
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.inactiveps = false,
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.inactiveps = true,
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.swctrl_lps = false,
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.fwctrl_lps = true,
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.msi_support = true,
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@ -731,6 +731,9 @@ void rtl92ee_tx_fill_desc(struct ieee80211_hw *hw,
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SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
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}
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/* tx report */
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rtl_get_tx_report(ptcb_desc, pdesc, hw);
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SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
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if (ieee80211_is_mgmt(fc)) {
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@ -159,7 +159,7 @@
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#define SET_TX_DESC_NULL_0(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE(__pdesc+8, 14, 1, __val)
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#define SET_TX_DESC_NULL_1(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE(__pdesc+8, 15, 1, __val)
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SET_BITS_TO_LE_4BYTE((__pdesc) + 8, 15, 1, __val)
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#define SET_TX_DESC_BK(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE(__pdesc+8, 16, 1, __val)
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#define SET_TX_DESC_MORE_FRAG(__pdesc, __val) \
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@ -167,7 +167,7 @@
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#define SET_TX_DESC_RAW(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE(__pdesc+8, 18, 1, __val)
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#define SET_TX_DESC_SPE_RPT(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE(__pdesc+8, 19, 1, __val)
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SET_BITS_TO_LE_4BYTE((__pdesc) + 8, 19, 1, __val)
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#define SET_TX_DESC_AMPDU_DENSITY(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE(__pdesc+8, 20, 3, __val)
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#define SET_TX_DESC_BT_NULL(__pdesc, __val) \
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@ -252,15 +252,15 @@
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/* Dword 6 */
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#define SET_TX_DESC_SW_DEFINE(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE(__pdesc+24, 0, 12, __val)
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SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 0, 12, __val)
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#define SET_TX_DESC_ANTSEL_A(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE(__pdesc+24, 16, 3, __val)
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SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 16, 3, __val)
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#define SET_TX_DESC_ANTSEL_B(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE(__pdesc+24, 19, 3, __val)
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SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 19, 3, __val)
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#define SET_TX_DESC_ANTSEL_C(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE(__pdesc+24, 22, 3, __val)
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SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 22, 3, __val)
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#define SET_TX_DESC_ANTSEL_D(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE(__pdesc+24, 25, 3, __val)
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SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 25, 3, __val)
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/* Dword 7 */
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#define SET_TX_DESC_TX_BUFFER_SIZE(__pdesc, __val) \
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@ -662,6 +662,7 @@ void rtl8723be_c2h_content_parsing(struct ieee80211_hw *hw,
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case C2H_8723B_TX_REPORT:
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RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE,
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"[C2H], C2H_8723BE_TX_REPORT!\n");
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rtl_tx_report_handler(hw, tmp_buf, c2h_cmd_len);
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break;
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case C2H_8723B_BT_INFO:
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RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE,
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@ -488,6 +488,9 @@ void rtl8723be_tx_fill_desc(struct ieee80211_hw *hw,
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SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
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}
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/* tx report */
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rtl_get_tx_report(ptcb_desc, pdesc, hw);
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/* ptcb_desc->use_driver_rate = true; */
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SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
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if (ptcb_desc->hw_rate > DESC92C_RATEMCS0)
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@ -107,7 +107,7 @@
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#define SET_TX_DESC_RDG_ENABLE(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE(__pdesc+8, 13, 1, __val)
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#define SET_TX_DESC_BAR_RTY_TH(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE(__pdesc+8, 14, 2, __val)
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SET_BITS_TO_LE_4BYTE((__pdesc) + 8, 14, 2, __val)
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#define SET_TX_DESC_AGG_BREAK(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE(__pdesc+8, 16, 1, __val)
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#define SET_TX_DESC_MORE_FRAG(__pdesc, __val) \
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@ -115,7 +115,7 @@
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#define SET_TX_DESC_RAW(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE(__pdesc+8, 18, 1, __val)
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#define SET_TX_DESC_SPE_RPT(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE(__pdesc+8, 19, 1, __val)
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SET_BITS_TO_LE_4BYTE((__pdesc) + 8, 19, 1, __val)
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#define SET_TX_DESC_AMPDU_DENSITY(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE(__pdesc+8, 20, 3, __val)
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#define SET_TX_DESC_BT_INT(__pdesc, __val) \
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@ -187,6 +187,18 @@
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#define SET_TX_DESC_RTS_SC(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE(__pdesc+20, 13, 4, __val)
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#define SET_TX_DESC_SW_DEFINE(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 0, 12, __val)
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#define SET_TX_DESC_MBSSID(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 12, 4, __val)
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#define SET_TX_DESC_ANTSEL_A(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 16, 3, __val)
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#define SET_TX_DESC_ANTSEL_B(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 19, 3, __val)
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#define SET_TX_DESC_ANTSEL_C(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 22, 3, __val)
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#define SET_TX_DESC_ANTSEL_D(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 25, 3, __val)
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#define SET_TX_DESC_TX_BUFFER_SIZE(__pdesc, __val) \
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SET_BITS_TO_LE_4BYTE(__pdesc+28, 0, 16, __val)
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@ -1873,6 +1873,9 @@ void rtl8821ae_c2h_content_parsing(struct ieee80211_hw *hw,
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case C2H_8812_DBG:
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RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "[C2H], C2H_8812_DBG!!\n");
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break;
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case C2H_8812_TX_REPORT:
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rtl_tx_report_handler(hw, tmp_buf, c2h_cmd_len);
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break;
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case C2H_8812_RA_RPT:
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rtl8821ae_c2h_ra_report_handler(hw, tmp_buf, c2h_cmd_len);
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break;
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@ -740,6 +740,9 @@ void rtl8821ae_tx_fill_desc(struct ieee80211_hw *hw,
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SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
|
||||
}
|
||||
|
||||
/* tx report */
|
||||
rtl_get_tx_report(ptcb_desc, pdesc, hw);
|
||||
|
||||
/* ptcb_desc->use_driver_rate = true; */
|
||||
SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
|
||||
if (ptcb_desc->hw_rate > DESC_RATEMCS0)
|
||||
|
@ -114,7 +114,7 @@
|
||||
#define SET_TX_DESC_RAW(__pdesc, __val) \
|
||||
SET_BITS_TO_LE_4BYTE(__pdesc+8, 18, 1, __val)
|
||||
#define SET_TX_DESC_SPE_RPT(__pdesc, __val) \
|
||||
SET_BITS_TO_LE_4BYTE(__pdesc+8, 19, 1, __val)
|
||||
SET_BITS_TO_LE_4BYTE((__pdesc) + 8, 19, 1, __val)
|
||||
#define SET_TX_DESC_AMPDU_DENSITY(__pdesc, __val) \
|
||||
SET_BITS_TO_LE_4BYTE(__pdesc+8, 20, 3, __val)
|
||||
#define SET_TX_DESC_BT_INT(__pdesc, __val) \
|
||||
@ -185,8 +185,21 @@
|
||||
#define SET_TX_DESC_RTS_SC(__pdesc, __val) \
|
||||
SET_BITS_TO_LE_4BYTE(__pdesc+20, 13, 4, __val)
|
||||
|
||||
#define SET_TX_DESC_SW_DEFINE(__pdesc, __val) \
|
||||
SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 0, 12, __val)
|
||||
#define SET_TX_DESC_ANTSEL_A(__pdesc, __val) \
|
||||
SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 16, 3, __val)
|
||||
#define SET_TX_DESC_ANTSEL_B(__pdesc, __val) \
|
||||
SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 19, 3, __val)
|
||||
#define SET_TX_DESC_ANTSEL_C(__pdesc, __val) \
|
||||
SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 22, 3, __val)
|
||||
#define SET_TX_DESC_ANTSEL_D(__pdesc, __val) \
|
||||
SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 25, 3, __val)
|
||||
#define SET_TX_DESC_MBSSID(__pdesc, __val) \
|
||||
SET_BITS_TO_LE_4BYTE(i(__pdesc) + 24, 12, 4, __val)
|
||||
|
||||
#define SET_TX_DESC_TX_BUFFER_SIZE(__pdesc, __val) \
|
||||
SET_BITS_TO_LE_4BYTE(__pdesc+28, 0, 16, __val)
|
||||
SET_BITS_TO_LE_4BYTE((__pdesc) + 28, 0, 16, __val)
|
||||
|
||||
#define GET_TX_DESC_TX_BUFFER_SIZE(__pdesc) \
|
||||
LE_BITS_TO_4BYTE(__pdesc+28, 0, 16)
|
||||
|
@ -1886,6 +1886,13 @@ struct rtl_efuse {
|
||||
u8 channel_plan;
|
||||
};
|
||||
|
||||
struct rtl_tx_report {
|
||||
atomic_t sn;
|
||||
u16 last_sent_sn;
|
||||
unsigned long last_sent_time;
|
||||
u16 last_recv_sn;
|
||||
};
|
||||
|
||||
struct rtl_ps_ctl {
|
||||
bool pwrdomain_protect;
|
||||
bool in_powersavemode;
|
||||
@ -2075,6 +2082,8 @@ struct rtl_tcb_desc {
|
||||
u8 use_driver_rate:1;
|
||||
u8 disable_ratefallback:1;
|
||||
|
||||
u8 use_spe_rpt:1;
|
||||
|
||||
u8 ratr_index;
|
||||
u8 mac_id;
|
||||
u8 hw_rate;
|
||||
@ -2589,6 +2598,7 @@ struct rtl_priv {
|
||||
struct rtl_security sec;
|
||||
struct rtl_efuse efuse;
|
||||
struct rtl_led_ctl ledctl;
|
||||
struct rtl_tx_report tx_report;
|
||||
|
||||
struct rtl_ps_ctl psc;
|
||||
struct rate_adaptive ra;
|
||||
|
Loading…
Reference in New Issue
Block a user