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path: root/drivers/net/wireless/rtlwifi/ps.c
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Diffstat (limited to 'drivers/net/wireless/rtlwifi/ps.c')
-rw-r--r--drivers/net/wireless/rtlwifi/ps.c330
1 files changed, 305 insertions, 25 deletions
diff --git a/drivers/net/wireless/rtlwifi/ps.c b/drivers/net/wireless/rtlwifi/ps.c
index 13ad33e85577..884bceae38a9 100644
--- a/drivers/net/wireless/rtlwifi/ps.c
+++ b/drivers/net/wireless/rtlwifi/ps.c
@@ -180,6 +180,9 @@ void rtl_ips_nic_off_wq_callback(void *data)
return;
}
+ if (mac->p2p_in_use)
+ return;
+
if (mac->link_state > MAC80211_NOLINK)
return;
@@ -189,6 +192,9 @@ void rtl_ips_nic_off_wq_callback(void *data)
if (rtlpriv->sec.being_setkey)
return;
+ if (rtlpriv->cfg->ops->bt_coex_off_before_lps)
+ rtlpriv->cfg->ops->bt_coex_off_before_lps(hw);
+
if (ppsc->inactiveps) {
rtstate = ppsc->rfpwr_state;
@@ -231,6 +237,9 @@ void rtl_ips_nic_off(struct ieee80211_hw *hw)
&rtlpriv->works.ips_nic_off_wq, MSECS(100));
}
+/* NOTICE: any opmode should exc nic_on, or disable without
+ * nic_on may something wrong, like adhoc TP
+ */
void rtl_ips_nic_on(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
@@ -299,7 +308,7 @@ static void rtl_lps_set_psmode(struct ieee80211_hw *hw, u8 rt_psmode)
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
- u8 rpwm_val, fw_pwrmode;
+ bool enter_fwlps;
if (mac->opmode == NL80211_IFTYPE_ADHOC)
return;
@@ -324,43 +333,31 @@ static void rtl_lps_set_psmode(struct ieee80211_hw *hw, u8 rt_psmode)
*/
if ((ppsc->fwctrl_lps) && ppsc->report_linked) {
- bool fw_current_inps;
if (ppsc->dot11_psmode == EACTIVE) {
RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
"FW LPS leave ps_mode:%x\n",
FW_PS_ACTIVE_MODE);
-
- rpwm_val = 0x0C; /* RF on */
- fw_pwrmode = FW_PS_ACTIVE_MODE;
- rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SET_RPWM,
- &rpwm_val);
+ enter_fwlps = false;
+ ppsc->pwr_mode = FW_PS_ACTIVE_MODE;
+ ppsc->smart_ps = 0;
rtlpriv->cfg->ops->set_hw_reg(hw,
- HW_VAR_H2C_FW_PWRMODE,
- &fw_pwrmode);
- fw_current_inps = false;
-
- rtlpriv->cfg->ops->set_hw_reg(hw,
- HW_VAR_FW_PSMODE_STATUS,
- (u8 *) (&fw_current_inps));
+ HW_VAR_FW_LPS_ACTION,
+ (u8 *)(&enter_fwlps));
+ if (ppsc->p2p_ps_info.opp_ps)
+ rtl_p2p_ps_cmd(hw, P2P_PS_ENABLE);
} else {
if (rtl_get_fwlps_doze(hw)) {
RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
"FW LPS enter ps_mode:%x\n",
ppsc->fwctrl_psmode);
-
- rpwm_val = 0x02; /* RF off */
- fw_current_inps = true;
+ enter_fwlps = true;
+ ppsc->pwr_mode = ppsc->fwctrl_psmode;
+ ppsc->smart_ps = 2;
rtlpriv->cfg->ops->set_hw_reg(hw,
- HW_VAR_FW_PSMODE_STATUS,
- (u8 *) (&fw_current_inps));
- rtlpriv->cfg->ops->set_hw_reg(hw,
- HW_VAR_H2C_FW_PWRMODE,
- &ppsc->fwctrl_psmode);
+ HW_VAR_FW_LPS_ACTION,
+ (u8 *)(&enter_fwlps));
- rtlpriv->cfg->ops->set_hw_reg(hw,
- HW_VAR_SET_RPWM,
- &rpwm_val);
} else {
/* Reset the power save related parameters. */
ppsc->dot11_psmode = EACTIVE;
@@ -642,3 +639,286 @@ void rtl_swlps_wq_callback(void *data)
rtlpriv->psc.state = ps;
}
}
+
+static void rtl_p2p_noa_ie(struct ieee80211_hw *hw, void *data,
+ unsigned int len)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct ieee80211_mgmt *mgmt = (void *)data;
+ struct rtl_p2p_ps_info *p2pinfo = &(rtlpriv->psc.p2p_ps_info);
+ u8 *pos, *end, *ie;
+ u16 noa_len;
+ static u8 p2p_oui_ie_type[4] = {0x50, 0x6f, 0x9a, 0x09};
+ u8 noa_num, index, i, noa_index = 0;
+ bool find_p2p_ie = false , find_p2p_ps_ie = false;
+ pos = (u8 *)mgmt->u.beacon.variable;
+ end = data + len;
+ ie = NULL;
+
+ while (pos + 1 < end) {
+ if (pos + 2 + pos[1] > end)
+ return;
+
+ if (pos[0] == 221 && pos[1] > 4) {
+ if (memcmp(&pos[2], p2p_oui_ie_type, 4) == 0) {
+ ie = pos + 2+4;
+ break;
+ }
+ }
+ pos += 2 + pos[1];
+ }
+
+ if (ie == NULL)
+ return;
+ find_p2p_ie = true;
+ /*to find noa ie*/
+ while (ie + 1 < end) {
+ noa_len = READEF2BYTE(&ie[1]);
+ if (ie + 3 + ie[1] > end)
+ return;
+
+ if (ie[0] == 12) {
+ find_p2p_ps_ie = true;
+ if ((noa_len - 2) % 13 != 0) {
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
+ "P2P notice of absence: invalid length.%d\n",
+ noa_len);
+ return;
+ } else {
+ noa_num = (noa_len - 2) / 13;
+ }
+ noa_index = ie[3];
+ if (rtlpriv->psc.p2p_ps_info.p2p_ps_mode ==
+ P2P_PS_NONE || noa_index != p2pinfo->noa_index) {
+ RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD,
+ "update NOA ie.\n");
+ p2pinfo->noa_index = noa_index;
+ p2pinfo->opp_ps = (ie[4] >> 7);
+ p2pinfo->ctwindow = ie[4] & 0x7F;
+ p2pinfo->noa_num = noa_num;
+ index = 5;
+ for (i = 0; i < noa_num; i++) {
+ p2pinfo->noa_count_type[i] =
+ READEF1BYTE(ie+index);
+ index += 1;
+ p2pinfo->noa_duration[i] =
+ READEF4BYTE(ie+index);
+ index += 4;
+ p2pinfo->noa_interval[i] =
+ READEF4BYTE(ie+index);
+ index += 4;
+ p2pinfo->noa_start_time[i] =
+ READEF4BYTE(ie+index);
+ index += 4;
+ }
+
+ if (p2pinfo->opp_ps == 1) {
+ p2pinfo->p2p_ps_mode = P2P_PS_CTWINDOW;
+ /* Driver should wait LPS entering
+ * CTWindow
+ */
+ if (rtlpriv->psc.fw_current_inpsmode)
+ rtl_p2p_ps_cmd(hw,
+ P2P_PS_ENABLE);
+ } else if (p2pinfo->noa_num > 0) {
+ p2pinfo->p2p_ps_mode = P2P_PS_NOA;
+ rtl_p2p_ps_cmd(hw, P2P_PS_ENABLE);
+ } else if (p2pinfo->p2p_ps_mode > P2P_PS_NONE) {
+ rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
+ }
+ }
+ break;
+ }
+ ie += 3 + noa_len;
+ }
+
+ if (find_p2p_ie == true) {
+ if ((p2pinfo->p2p_ps_mode > P2P_PS_NONE) &&
+ (find_p2p_ps_ie == false))
+ rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
+ }
+}
+
+static void rtl_p2p_action_ie(struct ieee80211_hw *hw, void *data,
+ unsigned int len)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct ieee80211_mgmt *mgmt = (void *)data;
+ struct rtl_p2p_ps_info *p2pinfo = &(rtlpriv->psc.p2p_ps_info);
+ u8 noa_num, index, i, noa_index = 0;
+ u8 *pos, *end, *ie;
+ u16 noa_len;
+ static u8 p2p_oui_ie_type[4] = {0x50, 0x6f, 0x9a, 0x09};
+
+ pos = (u8 *)&mgmt->u.action.category;
+ end = data + len;
+ ie = NULL;
+
+ if (pos[0] == 0x7f) {
+ if (memcmp(&pos[1], p2p_oui_ie_type, 4) == 0)
+ ie = pos + 3+4;
+ }
+
+ if (ie == NULL)
+ return;
+
+ RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "action frame find P2P IE.\n");
+ /*to find noa ie*/
+ while (ie + 1 < end) {
+ noa_len = READEF2BYTE(&ie[1]);
+ if (ie + 3 + ie[1] > end)
+ return;
+
+ if (ie[0] == 12) {
+ RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "find NOA IE.\n");
+ RT_PRINT_DATA(rtlpriv, COMP_FW, DBG_LOUD, "noa ie ",
+ ie, noa_len);
+ if ((noa_len - 2) % 13 != 0) {
+ RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD,
+ "P2P notice of absence: invalid length.%d\n",
+ noa_len);
+ return;
+ } else {
+ noa_num = (noa_len - 2) / 13;
+ }
+ noa_index = ie[3];
+ if (rtlpriv->psc.p2p_ps_info.p2p_ps_mode ==
+ P2P_PS_NONE || noa_index != p2pinfo->noa_index) {
+ p2pinfo->noa_index = noa_index;
+ p2pinfo->opp_ps = (ie[4] >> 7);
+ p2pinfo->ctwindow = ie[4] & 0x7F;
+ p2pinfo->noa_num = noa_num;
+ index = 5;
+ for (i = 0; i < noa_num; i++) {
+ p2pinfo->noa_count_type[i] =
+ READEF1BYTE(ie+index);
+ index += 1;
+ p2pinfo->noa_duration[i] =
+ READEF4BYTE(ie+index);
+ index += 4;
+ p2pinfo->noa_interval[i] =
+ READEF4BYTE(ie+index);
+ index += 4;
+ p2pinfo->noa_start_time[i] =
+ READEF4BYTE(ie+index);
+ index += 4;
+ }
+
+ if (p2pinfo->opp_ps == 1) {
+ p2pinfo->p2p_ps_mode = P2P_PS_CTWINDOW;
+ /* Driver should wait LPS entering
+ * CTWindow
+ */
+ if (rtlpriv->psc.fw_current_inpsmode)
+ rtl_p2p_ps_cmd(hw,
+ P2P_PS_ENABLE);
+ } else if (p2pinfo->noa_num > 0) {
+ p2pinfo->p2p_ps_mode = P2P_PS_NOA;
+ rtl_p2p_ps_cmd(hw, P2P_PS_ENABLE);
+ } else if (p2pinfo->p2p_ps_mode > P2P_PS_NONE) {
+ rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
+ }
+ }
+ break;
+ }
+ ie += 3 + noa_len;
+ }
+}
+
+void rtl_p2p_ps_cmd(struct ieee80211_hw *hw, u8 p2p_ps_state)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_ps_ctl *rtlps = rtl_psc(rtl_priv(hw));
+ struct rtl_p2p_ps_info *p2pinfo = &(rtlpriv->psc.p2p_ps_info);
+
+ RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, " p2p state %x\n", p2p_ps_state);
+ switch (p2p_ps_state) {
+ case P2P_PS_DISABLE:
+ p2pinfo->p2p_ps_state = p2p_ps_state;
+ rtlpriv->cfg->ops->set_hw_reg(hw,
+ HW_VAR_H2C_FW_P2P_PS_OFFLOAD,
+ (u8 *)(&p2p_ps_state));
+
+ p2pinfo->noa_index = 0;
+ p2pinfo->ctwindow = 0;
+ p2pinfo->opp_ps = 0;
+ p2pinfo->noa_num = 0;
+ p2pinfo->p2p_ps_mode = P2P_PS_NONE;
+ if (rtlps->fw_current_inpsmode == true) {
+ if (rtlps->smart_ps == 0) {
+ rtlps->smart_ps = 2;
+ rtlpriv->cfg->ops->set_hw_reg(hw,
+ HW_VAR_H2C_FW_PWRMODE,
+ (u8 *)(&rtlps->pwr_mode));
+ }
+ }
+ break;
+ case P2P_PS_ENABLE:
+ if (p2pinfo->p2p_ps_mode > P2P_PS_NONE) {
+ p2pinfo->p2p_ps_state = p2p_ps_state;
+
+ if (p2pinfo->ctwindow > 0) {
+ if (rtlps->smart_ps != 0) {
+ rtlps->smart_ps = 0;
+ rtlpriv->cfg->ops->set_hw_reg(hw,
+ HW_VAR_H2C_FW_PWRMODE,
+ (u8 *)(&rtlps->pwr_mode));
+ }
+ }
+ rtlpriv->cfg->ops->set_hw_reg(hw,
+ HW_VAR_H2C_FW_P2P_PS_OFFLOAD,
+ (u8 *)(&p2p_ps_state));
+ }
+ break;
+ case P2P_PS_SCAN:
+ case P2P_PS_SCAN_DONE:
+ case P2P_PS_ALLSTASLEEP:
+ if (p2pinfo->p2p_ps_mode > P2P_PS_NONE) {
+ p2pinfo->p2p_ps_state = p2p_ps_state;
+ rtlpriv->cfg->ops->set_hw_reg(hw,
+ HW_VAR_H2C_FW_P2P_PS_OFFLOAD,
+ (u8 *)(&p2p_ps_state));
+ }
+ break;
+ default:
+ break;
+ }
+ RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD,
+ "ctwindow %x oppps %x\n", p2pinfo->ctwindow, p2pinfo->opp_ps);
+ RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD,
+ "count %x duration %x index %x interval %x start time %x noa num %x\n",
+ p2pinfo->noa_count_type[0], p2pinfo->noa_duration[0],
+ p2pinfo->noa_index, p2pinfo->noa_interval[0],
+ p2pinfo->noa_start_time[0], p2pinfo->noa_num);
+ RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "end\n");
+}
+
+void rtl_p2p_info(struct ieee80211_hw *hw, void *data, unsigned int len)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+ struct ieee80211_hdr *hdr = (void *)data;
+
+ if (!mac->p2p)
+ return;
+ if (mac->link_state != MAC80211_LINKED)
+ return;
+ /* min. beacon length + FCS_LEN */
+ if (len <= 40 + FCS_LEN)
+ return;
+
+ /* and only beacons from the associated BSSID, please */
+ if (compare_ether_addr(hdr->addr3, rtlpriv->mac80211.bssid))
+ return;
+
+ /* check if this really is a beacon */
+ if (!(ieee80211_is_beacon(hdr->frame_control) ||
+ ieee80211_is_probe_resp(hdr->frame_control) ||
+ ieee80211_is_action(hdr->frame_control)))
+ return;
+
+ if (ieee80211_is_action(hdr->frame_control))
+ rtl_p2p_action_ie(hw, data, len - FCS_LEN);
+ else
+ rtl_p2p_noa_ie(hw, data, len - FCS_LEN);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 10:55:21 +0000