diff options
| -rw-r--r-- | drivers/net/wireless/rtl818x/rtl8187.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/rtl818x/rtl8187_dev.c | 73 | ||||
| -rw-r--r-- | drivers/net/wireless/rtl818x/rtl8187_rtl8225.c | 6 |
3 files changed, 69 insertions, 12 deletions
diff --git a/drivers/net/wireless/rtl818x/rtl8187.h b/drivers/net/wireless/rtl818x/rtl8187.h index 33725d0978b..f09872eec3d 100644 --- a/drivers/net/wireless/rtl818x/rtl8187.h +++ b/drivers/net/wireless/rtl818x/rtl8187.h @@ -111,6 +111,8 @@ struct rtl8187_priv { u8 signal; u8 quality; u8 noise; + u8 slot_time; + u8 aifsn[4]; }; void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data); diff --git a/drivers/net/wireless/rtl818x/rtl8187_dev.c b/drivers/net/wireless/rtl818x/rtl8187_dev.c index 5fe7473124e..cb5bcefd1c3 100644 --- a/drivers/net/wireless/rtl818x/rtl8187_dev.c +++ b/drivers/net/wireless/rtl818x/rtl8187_dev.c @@ -712,6 +712,13 @@ static int rtl8187b_init_hw(struct ieee80211_hw *dev) rtl818x_iowrite16_idx(priv, (__le16 *)0xFFEC, 0x0800, 1); + priv->slot_time = 0x9; + priv->aifsn[0] = 2; /* AIFSN[AC_VO] */ + priv->aifsn[1] = 2; /* AIFSN[AC_VI] */ + priv->aifsn[2] = 7; /* AIFSN[AC_BK] */ + priv->aifsn[3] = 3; /* AIFSN[AC_BE] */ + rtl818x_iowrite8(priv, &priv->map->ACM_CONTROL, 0); + return 0; } @@ -919,24 +926,38 @@ static int rtl8187_config_interface(struct ieee80211_hw *dev, return 0; } +/* + * With 8187B, AC_*_PARAM clashes with FEMR definition in struct rtl818x_csr for + * example. Thus we have to use raw values for AC_*_PARAM register addresses. + */ +static __le32 *rtl8187b_ac_addr[4] = { + (__le32 *) 0xFFF0, /* AC_VO */ + (__le32 *) 0xFFF4, /* AC_VI */ + (__le32 *) 0xFFFC, /* AC_BK */ + (__le32 *) 0xFFF8, /* AC_BE */ +}; + +#define SIFS_TIME 0xa + static void rtl8187_conf_erp(struct rtl8187_priv *priv, bool use_short_slot, bool use_short_preamble) { if (priv->is_rtl8187b) { - u8 difs, eifs, slot_time; + u8 difs, eifs; u16 ack_timeout; + int queue; if (use_short_slot) { - slot_time = 0x9; + priv->slot_time = 0x9; difs = 0x1c; eifs = 0x53; } else { - slot_time = 0x14; + priv->slot_time = 0x14; difs = 0x32; eifs = 0x5b; } rtl818x_iowrite8(priv, &priv->map->SIFS, 0x22); - rtl818x_iowrite8(priv, &priv->map->SLOT, slot_time); + rtl818x_iowrite8(priv, &priv->map->SLOT, priv->slot_time); rtl818x_iowrite8(priv, &priv->map->DIFS, difs); /* @@ -957,18 +978,21 @@ static void rtl8187_conf_erp(struct rtl8187_priv *priv, bool use_short_slot, ack_timeout += 144; rtl818x_iowrite8(priv, &priv->map->CARRIER_SENSE_COUNTER, DIV_ROUND_UP(ack_timeout, 4)); + + for (queue = 0; queue < 4; queue++) + rtl818x_iowrite8(priv, (u8 *) rtl8187b_ac_addr[queue], + priv->aifsn[queue] * priv->slot_time + + SIFS_TIME); } else { rtl818x_iowrite8(priv, &priv->map->SIFS, 0x22); if (use_short_slot) { rtl818x_iowrite8(priv, &priv->map->SLOT, 0x9); rtl818x_iowrite8(priv, &priv->map->DIFS, 0x14); rtl818x_iowrite8(priv, &priv->map->EIFS, 91 - 0x14); - rtl818x_iowrite8(priv, &priv->map->CW_VAL, 0x73); } else { rtl818x_iowrite8(priv, &priv->map->SLOT, 0x14); rtl818x_iowrite8(priv, &priv->map->DIFS, 0x24); rtl818x_iowrite8(priv, &priv->map->EIFS, 91 - 0x24); - rtl818x_iowrite8(priv, &priv->map->CW_VAL, 0xa5); } } } @@ -1017,6 +1041,42 @@ static void rtl8187_configure_filter(struct ieee80211_hw *dev, rtl818x_iowrite32_async(priv, &priv->map->RX_CONF, priv->rx_conf); } +static int rtl8187_conf_tx(struct ieee80211_hw *dev, u16 queue, + const struct ieee80211_tx_queue_params *params) +{ + struct rtl8187_priv *priv = dev->priv; + u8 cw_min, cw_max; + + if (queue > 3) + return -EINVAL; + + cw_min = fls(params->cw_min); + cw_max = fls(params->cw_max); + + if (priv->is_rtl8187b) { + priv->aifsn[queue] = params->aifs; + + /* + * This is the structure of AC_*_PARAM registers in 8187B: + * - TXOP limit field, bit offset = 16 + * - ECWmax, bit offset = 12 + * - ECWmin, bit offset = 8 + * - AIFS, bit offset = 0 + */ + rtl818x_iowrite32(priv, rtl8187b_ac_addr[queue], + (params->txop << 16) | (cw_max << 12) | + (cw_min << 8) | (params->aifs * + priv->slot_time + SIFS_TIME)); + } else { + if (queue != 0) + return -EINVAL; + + rtl818x_iowrite8(priv, &priv->map->CW_VAL, + cw_min | (cw_max << 4)); + } + return 0; +} + static const struct ieee80211_ops rtl8187_ops = { .tx = rtl8187_tx, .start = rtl8187_start, @@ -1027,6 +1087,7 @@ static const struct ieee80211_ops rtl8187_ops = { .config_interface = rtl8187_config_interface, .bss_info_changed = rtl8187_bss_info_changed, .configure_filter = rtl8187_configure_filter, + .conf_tx = rtl8187_conf_tx }; static void rtl8187_eeprom_register_read(struct eeprom_93cx6 *eeprom) diff --git a/drivers/net/wireless/rtl818x/rtl8187_rtl8225.c b/drivers/net/wireless/rtl818x/rtl8187_rtl8225.c index 69030be62b3..4e75e8e7fa9 100644 --- a/drivers/net/wireless/rtl818x/rtl8187_rtl8225.c +++ b/drivers/net/wireless/rtl818x/rtl8187_rtl8225.c @@ -878,12 +878,6 @@ static void rtl8225z2_b_rf_init(struct ieee80211_hw *dev) for (i = 0; i < ARRAY_SIZE(rtl8225z2_ofdm); i++) rtl8225_write_phy_ofdm(dev, i, rtl8225z2_ofdm[i]); - rtl818x_iowrite32(priv, (__le32 *)0xFFF0, (7 << 12) | (3 << 8) | 28); - rtl818x_iowrite32(priv, (__le32 *)0xFFF4, (7 << 12) | (3 << 8) | 28); - rtl818x_iowrite32(priv, (__le32 *)0xFFF8, (7 << 12) | (3 << 8) | 28); - rtl818x_iowrite32(priv, (__le32 *)0xFFFC, (7 << 12) | (3 << 8) | 28); - rtl818x_iowrite8(priv, &priv->map->ACM_CONTROL, 0); - rtl8225_write_phy_ofdm(dev, 0x97, 0x46); rtl8225_write_phy_ofdm(dev, 0xa4, 0xb6); rtl8225_write_phy_ofdm(dev, 0x85, 0xfc); |