From 8d0d43e342083c9d2b15542e9a99727c0ef43a7f Mon Sep 17 00:00:00 2001 From: Ping-Ke Shih Date: Mon, 6 Feb 2017 21:29:59 -0600 Subject: [PATCH] rtlwifi: Set retry limit depends on vif type. We assign different retry limit according to vif type, because it can boost performance in field. Signed-off-by: Ping-Ke Shih Signed-off-by: shaofu Signed-off-by: Larry Finger Signed-off-by: Kalle Valo --- drivers/net/wireless/realtek/rtlwifi/core.c | 21 ++++++++++++++++++--- drivers/net/wireless/realtek/rtlwifi/pci.c | 7 +++++++ drivers/net/wireless/realtek/rtlwifi/ps.c | 3 +++ 3 files changed, 28 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c b/drivers/net/wireless/realtek/rtlwifi/core.c index 179a699cc6ac..a4f8e326a2bc 100644 --- a/drivers/net/wireless/realtek/rtlwifi/core.c +++ b/drivers/net/wireless/realtek/rtlwifi/core.c @@ -233,6 +233,7 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw, struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); int err = 0; + u8 retry_limit = 0x30; if (mac->vif) { RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, @@ -271,6 +272,7 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw, rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, (u8 *)(&mac->basic_rates)); + retry_limit = 0x07; break; case NL80211_IFTYPE_P2P_GO: mac->p2p = P2P_ROLE_GO; @@ -287,6 +289,8 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw, mac->basic_rates = 0xff0; rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, (u8 *)(&mac->basic_rates)); + + retry_limit = 0x07; break; case NL80211_IFTYPE_MESH_POINT: RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, @@ -300,6 +304,8 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw, mac->basic_rates = 0xff0; rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, (u8 *)(&mac->basic_rates)); + + retry_limit = 0x07; break; default: pr_err("operation mode %d is not supported!\n", @@ -321,6 +327,10 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw, memcpy(mac->mac_addr, vif->addr, ETH_ALEN); rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr); + mac->retry_long = retry_limit; + mac->retry_short = retry_limit; + rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT, + (u8 *)(&retry_limit)); out: mutex_unlock(&rtlpriv->locks.conf_mutex); return err; @@ -645,10 +655,15 @@ static int rtl_op_config(struct ieee80211_hw *hw, u32 changed) RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n", hw->conf.long_frame_max_tx_count); - mac->retry_long = hw->conf.long_frame_max_tx_count; - mac->retry_short = hw->conf.long_frame_max_tx_count; - rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT, + /* brought up everything changes (changed == ~0) indicates first + * open, so use our default value instead of that of wiphy. + */ + if (changed != ~0) { + mac->retry_long = hw->conf.long_frame_max_tx_count; + mac->retry_short = hw->conf.long_frame_max_tx_count; + rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT, (u8 *)(&hw->conf.long_frame_max_tx_count)); + } } if (changed & IEEE80211_CONF_CHANGE_CHANNEL && diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c index b402f438b1af..2e6b888bd417 100644 --- a/drivers/net/wireless/realtek/rtlwifi/pci.c +++ b/drivers/net/wireless/realtek/rtlwifi/pci.c @@ -1213,6 +1213,10 @@ static void _rtl_pci_init_struct(struct ieee80211_hw *hw, mac->current_ampdu_density = 7; mac->current_ampdu_factor = 3; + /*Retry Limit*/ + mac->retry_short = 7; + mac->retry_long = 7; + /*QOS*/ rtlpci->acm_method = EACMWAY2_SW; @@ -1813,6 +1817,7 @@ static int rtl_pci_start(struct ieee80211_hw *hw) struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); + struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); int err; @@ -1830,6 +1835,8 @@ static int rtl_pci_start(struct ieee80211_hw *hw) "Failed to config hardware!\n"); return err; } + rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT, + &rtlmac->retry_long); rtlpriv->cfg->ops->enable_interrupt(hw); RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "enable_interrupt OK\n"); diff --git a/drivers/net/wireless/realtek/rtlwifi/ps.c b/drivers/net/wireless/realtek/rtlwifi/ps.c index 4f8327097086..0d152877d969 100644 --- a/drivers/net/wireless/realtek/rtlwifi/ps.c +++ b/drivers/net/wireless/realtek/rtlwifi/ps.c @@ -34,6 +34,7 @@ bool rtl_ps_enable_nic(struct ieee80211_hw *hw) struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); + struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); /*<1> reset trx ring */ if (rtlhal->interface == INTF_PCI) @@ -46,6 +47,8 @@ bool rtl_ps_enable_nic(struct ieee80211_hw *hw) /*<2> Enable Adapter */ if (rtlpriv->cfg->ops->hw_init(hw)) return false; + rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT, + &rtlmac->retry_long); RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC); /*<3> Enable Interrupt */ -- 2.30.2