diff options
Diffstat (limited to 'drivers/net/wireless/ralink/rt2x00')
-rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt2400pci.c | 5 | ||||
-rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt2500pci.c | 5 | ||||
-rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt2500usb.c | 5 | ||||
-rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 67 | ||||
-rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt2800usb.c | 5 | ||||
-rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt2x00.h | 1 | ||||
-rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt2x00dev.c | 25 | ||||
-rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt61pci.c | 5 | ||||
-rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt73usb.c | 5 |
9 files changed, 62 insertions, 61 deletions
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2400pci.c b/drivers/net/wireless/ralink/rt2x00/rt2400pci.c index 155f343981fe..085c5b423bdf 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2400pci.c @@ -1459,10 +1459,7 @@ static int rt2400pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) * Start validation of the data that has been read. */ mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); - if (!is_valid_ether_addr(mac)) { - eth_random_addr(mac); - rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac); - } + rt2x00lib_set_mac_address(rt2x00dev, mac); rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); if (word == 0xffff) { diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500pci.c b/drivers/net/wireless/ralink/rt2x00/rt2500pci.c index 2553cdd74066..9832fd50c793 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2500pci.c @@ -1585,10 +1585,7 @@ static int rt2500pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) * Start validation of the data that has been read. */ mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); - if (!is_valid_ether_addr(mac)) { - eth_random_addr(mac); - rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac); - } + rt2x00lib_set_mac_address(rt2x00dev, mac); rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); if (word == 0xffff) { diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500usb.c b/drivers/net/wireless/ralink/rt2x00/rt2500usb.c index 2d64611de300..cd3ab5a9e98d 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2500usb.c @@ -1349,10 +1349,7 @@ static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev) * Start validation of the data that has been read. */ mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); - if (!is_valid_ether_addr(mac)) { - eth_random_addr(mac); - rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac); - } + rt2x00lib_set_mac_address(rt2x00dev, mac); rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); if (word == 0xffff) { diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c index bf3f0a39908c..4fb79e05078f 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c @@ -1621,7 +1621,7 @@ static void rt2800_config_ht_opmode(struct rt2x00_dev *rt2x00dev, * => Protect all HT40 transmissions. */ mm20_mode = gf20_mode = 0; - mm40_mode = gf40_mode = 2; + mm40_mode = gf40_mode = 1; break; case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER: @@ -1644,7 +1644,7 @@ static void rt2800_config_ht_opmode(struct rt2x00_dev *rt2x00dev, * Legacy STAs are present * => Protect all HT transmissions. */ - mm20_mode = mm40_mode = gf20_mode = gf40_mode = 2; + mm20_mode = mm40_mode = gf20_mode = gf40_mode = 1; /* * If erp protection is needed we have to protect HT @@ -1660,7 +1660,7 @@ static void rt2800_config_ht_opmode(struct rt2x00_dev *rt2x00dev, /* check for STAs not supporting greenfield mode */ if (any_sta_nongf) - gf20_mode = gf40_mode = 2; + gf20_mode = gf40_mode = 1; /* Update HT protection config */ rt2800_register_read(rt2x00dev, MM20_PROT_CFG, ®); @@ -1691,8 +1691,6 @@ void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp, if (changed & BSS_CHANGED_ERP_PREAMBLE) { rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, ®); - rt2x00_set_field32(®, AUTO_RSP_CFG_BAC_ACK_POLICY, - !!erp->short_preamble); rt2x00_set_field32(®, AUTO_RSP_CFG_AR_PREAMBLE, !!erp->short_preamble); rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg); @@ -1707,7 +1705,7 @@ void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp, if (changed & BSS_CHANGED_BASIC_RATES) { rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, - erp->basic_rates); + 0xff0 | erp->basic_rates); rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003); } @@ -4672,11 +4670,14 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev) 0x00000000); } } else if (rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392) || - rt2x00_rt(rt2x00dev, RT5592)) { + rt2x00_rt(rt2x00dev, RT5392)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); + } else if (rt2x00_rt(rt2x00dev, RT5592)) { + rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404); + rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000); + rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); } else { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606); @@ -4735,9 +4736,9 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev) rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, ®); rt2x00_set_field32(®, AUTO_RSP_CFG_AUTORESPONDER, 1); rt2x00_set_field32(®, AUTO_RSP_CFG_BAC_ACK_POLICY, 1); - rt2x00_set_field32(®, AUTO_RSP_CFG_CTS_40_MMODE, 0); + rt2x00_set_field32(®, AUTO_RSP_CFG_CTS_40_MMODE, 1); rt2x00_set_field32(®, AUTO_RSP_CFG_CTS_40_MREF, 0); - rt2x00_set_field32(®, AUTO_RSP_CFG_AR_PREAMBLE, 1); + rt2x00_set_field32(®, AUTO_RSP_CFG_AR_PREAMBLE, 0); rt2x00_set_field32(®, AUTO_RSP_CFG_DUAL_CTS_EN, 0); rt2x00_set_field32(®, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0); rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg); @@ -4770,9 +4771,9 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev) rt2800_register_read(rt2x00dev, MM20_PROT_CFG, ®); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_RATE, 0x4004); - rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_CTRL, 0); + rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_CTRL, 1); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_NAV_SHORT, 1); - rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1); + rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 0); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0); @@ -4783,9 +4784,9 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev) rt2800_register_read(rt2x00dev, MM40_PROT_CFG, ®); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_RATE, 0x4084); - rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_CTRL, 0); + rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_CTRL, 1); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_NAV_SHORT, 1); - rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1); + rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 0); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1); @@ -4796,9 +4797,9 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev) rt2800_register_read(rt2x00dev, GF20_PROT_CFG, ®); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_RATE, 0x4004); - rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_CTRL, 0); + rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_CTRL, 1); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_NAV_SHORT, 1); - rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1); + rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 0); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0); @@ -4809,9 +4810,9 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev) rt2800_register_read(rt2x00dev, GF40_PROT_CFG, ®); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_RATE, 0x4084); - rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_CTRL, 0); + rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_CTRL, 1); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_NAV_SHORT, 1); - rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1); + rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 0); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1); @@ -6756,7 +6757,6 @@ int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev) rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1); - rt2x00_set_field32(®, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); @@ -6919,10 +6919,7 @@ static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev) * Start validation of the data that has been read. */ mac = rt2800_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); - if (!is_valid_ether_addr(mac)) { - eth_random_addr(mac); - rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac); - } + rt2x00lib_set_mac_address(rt2x00dev, mac); rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &word); if (word == 0xffff) { @@ -7464,7 +7461,7 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev) char *default_power1; char *default_power2; char *default_power3; - unsigned int i; + unsigned int i, tx_chains, rx_chains; u32 reg; /* @@ -7475,7 +7472,6 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev) /* * Initialize all hw fields. */ - ieee80211_hw_set(rt2x00dev->hw, SUPPORTS_HT_CCK_RATES); ieee80211_hw_set(rt2x00dev->hw, REPORTS_TX_ACK_STATUS); ieee80211_hw_set(rt2x00dev->hw, AMPDU_AGGREGATION); ieee80211_hw_set(rt2x00dev->hw, PS_NULLFUNC_STACK); @@ -7589,21 +7585,24 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev) IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40; - if (rt2x00dev->default_ant.tx_chain_num >= 2) + tx_chains = rt2x00dev->default_ant.tx_chain_num; + rx_chains = rt2x00dev->default_ant.rx_chain_num; + + if (tx_chains >= 2) spec->ht.cap |= IEEE80211_HT_CAP_TX_STBC; - spec->ht.cap |= rt2x00dev->default_ant.rx_chain_num << - IEEE80211_HT_CAP_RX_STBC_SHIFT; + spec->ht.cap |= rx_chains << IEEE80211_HT_CAP_RX_STBC_SHIFT; spec->ht.ampdu_factor = 3; spec->ht.ampdu_density = 4; - spec->ht.mcs.tx_params = - IEEE80211_HT_MCS_TX_DEFINED | - IEEE80211_HT_MCS_TX_RX_DIFF | - ((rt2x00dev->default_ant.tx_chain_num - 1) << - IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT); + spec->ht.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; + if (tx_chains != rx_chains) { + spec->ht.mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; + spec->ht.mcs.tx_params |= + (tx_chains - 1) << IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT; + } - switch (rt2x00dev->default_ant.rx_chain_num) { + switch (rx_chains) { case 3: spec->ht.mcs.rx_mask[2] = 0xff; case 2: diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800usb.c b/drivers/net/wireless/ralink/rt2x00/rt2800usb.c index 4b0bb6b4f6f1..9f61293f1a56 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2800usb.c @@ -341,8 +341,6 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev) rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_BBP, 1); rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg); - rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000); - rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0, USB_MODE_RESET, REGISTER_TIMEOUT); @@ -353,12 +351,11 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev) static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev) { - u32 reg; + u32 reg = 0; if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev))) return -EIO; - rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, ®); rt2x00_set_field32(®, USB_DMA_CFG_PHY_CLEAR, 0); rt2x00_set_field32(®, USB_DMA_CFG_RX_BULK_AGG_EN, 0); rt2x00_set_field32(®, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128); diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00.h b/drivers/net/wireless/ralink/rt2x00/rt2x00.h index f68d492129c6..aa3d4ceef4ad 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h @@ -1403,6 +1403,7 @@ static inline void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev, */ u32 rt2x00lib_get_bssidx(struct rt2x00_dev *rt2x00dev, struct ieee80211_vif *vif); +void rt2x00lib_set_mac_address(struct rt2x00_dev *rt2x00dev, u8 *eeprom_mac_addr); /* * Interrupt context handlers. diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c index 4e0c5653054b..eb7b71443657 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c @@ -26,6 +26,8 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/log2.h> +#include <linux/of.h> +#include <linux/of_net.h> #include "rt2x00.h" #include "rt2x00lib.h" @@ -931,6 +933,21 @@ static void rt2x00lib_rate(struct ieee80211_rate *entry, entry->flags |= IEEE80211_RATE_SHORT_PREAMBLE; } +void rt2x00lib_set_mac_address(struct rt2x00_dev *rt2x00dev, u8 *eeprom_mac_addr) +{ + const char *mac_addr; + + mac_addr = of_get_mac_address(rt2x00dev->dev->of_node); + if (mac_addr) + ether_addr_copy(eeprom_mac_addr, mac_addr); + + if (!is_valid_ether_addr(eeprom_mac_addr)) { + eth_random_addr(eeprom_mac_addr); + rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", eeprom_mac_addr); + } +} +EXPORT_SYMBOL_GPL(rt2x00lib_set_mac_address); + static int rt2x00lib_probe_hw_modes(struct rt2x00_dev *rt2x00dev, struct hw_mode_spec *spec) { @@ -1362,11 +1379,13 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev) if (rt2x00dev->bcn->limit > 0) rt2x00dev->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC) | - BIT(NL80211_IFTYPE_AP) | #ifdef CONFIG_MAC80211_MESH BIT(NL80211_IFTYPE_MESH_POINT) | #endif - BIT(NL80211_IFTYPE_WDS); +#ifdef CONFIG_WIRELESS_WDS + BIT(NL80211_IFTYPE_WDS) | +#endif + BIT(NL80211_IFTYPE_AP); rt2x00dev->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; @@ -1422,7 +1441,7 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev) cancel_work_sync(&rt2x00dev->intf_work); cancel_delayed_work_sync(&rt2x00dev->autowakeup_work); cancel_work_sync(&rt2x00dev->sleep_work); -#ifdef CONFIG_RT2X00_LIB_USB +#if IS_ENABLED(CONFIG_RT2X00_LIB_USB) if (rt2x00_is_usb(rt2x00dev)) { usb_kill_anchored_urbs(rt2x00dev->anchor); hrtimer_cancel(&rt2x00dev->txstatus_timer); diff --git a/drivers/net/wireless/ralink/rt2x00/rt61pci.c b/drivers/net/wireless/ralink/rt2x00/rt61pci.c index 03013eb2f642..5306a3b2622d 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt61pci.c +++ b/drivers/net/wireless/ralink/rt2x00/rt61pci.c @@ -2413,10 +2413,7 @@ static int rt61pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) * Start validation of the data that has been read. */ mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); - if (!is_valid_ether_addr(mac)) { - eth_random_addr(mac); - rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac); - } + rt2x00lib_set_mac_address(rt2x00dev, mac); rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); if (word == 0xffff) { diff --git a/drivers/net/wireless/ralink/rt2x00/rt73usb.c b/drivers/net/wireless/ralink/rt2x00/rt73usb.c index c1397a6d3cee..1a29c4d205a5 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt73usb.c +++ b/drivers/net/wireless/ralink/rt2x00/rt73usb.c @@ -1766,10 +1766,7 @@ static int rt73usb_validate_eeprom(struct rt2x00_dev *rt2x00dev) * Start validation of the data that has been read. */ mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); - if (!is_valid_ether_addr(mac)) { - eth_random_addr(mac); - rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac); - } + rt2x00lib_set_mac_address(rt2x00dev, mac); rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); if (word == 0xffff) { |