1 /* SPDX-License-Identifier: GPL-2.0-or-later */
4 	Copyright (C) 2004 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
5 	Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com>
30 #include <linux/clk.h>
57 	printk(KERN_ERR KBUILD_MODNAME ": %s: Error - " fmt,		\
60 	wiphy_err_ratelimited((dev)->hw->wiphy, "%s: Error - " fmt,	\
63 	wiphy_warn_ratelimited((dev)->hw->wiphy, "%s: Warning - " fmt,	\
66 	wiphy_info((dev)->hw->wiphy, "%s: Info - " fmt,			\
71 	wiphy_dbg((dev)->hw->wiphy, "%s: Debug - " fmt,			\
74 	wiphy_dbg((dev)->hw->wiphy, "%s: EEPROM recovery - " fmt,	\
82  * real rate -> rate argument correction.
91 #define L2PAD_SIZE(__hdrlen)	(-(__hdrlen) & 3)
95  * to make sure the 802.11 payload is padded to a 4-byte boundrary
100 	(((unsigned long)((__skb)->data + (__header))) & 3)
351 	 * beacon->skb must be protected with the mutex.
378 	return (struct rt2x00_intf *)vif->drv_priv;  in vif_to_intf()
482 	 * to the drivers, copy the it into a endian-signed variable.
505 	return (struct rt2x00_sta *)sta->drv_priv;  in sta_to_rt2x00_sta()
787 	 * Access to these flags should occur non-atomically.
815 	 * csr.base: CSR base register address. (PCI)
816 	 * csr.cache: CSR cache for usb_control_msg. (USB)
818 	union csr {  union
821 	} csr;  member
827 	 * registers require multiple calls to the CSR registers.
829 	 * field is used for normal CSR access and it cannot support
847 	 *  - Open ap interface count.
848 	 *  - Open sta interface count.
849 	 *  - Association count.
850 	 *  - Beaconing enabled count.
900 	 * Rssi <-> Dbm offset
943 	 * which means it cannot be placed on the hw->workqueue
1016 	struct clk *clk;  member
1052 	BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32));  in rt2x00_rf_read()
1053 	return rt2x00dev->rf[word - 1];  in rt2x00_rf_read()
1059 	BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32));  in rt2x00_rf_write()
1060 	rt2x00dev->rf[word - 1] = data;  in rt2x00_rf_write()
1069 	return (void *)&rt2x00dev->eeprom[word];  in rt2x00_eeprom_addr()
1075 	return le16_to_cpu(rt2x00dev->eeprom[word]);  in rt2x00_eeprom_read()
1081 	rt2x00dev->eeprom[word] = cpu_to_le16(data);  in rt2x00_eeprom_write()
1087 	return *(((u8 *)rt2x00dev->eeprom) + byte);  in rt2x00_eeprom_byte()
1096 	rt2x00dev->chip.rt = rt;  in rt2x00_set_chip()
1097 	rt2x00dev->chip.rf = rf;  in rt2x00_set_chip()
1098 	rt2x00dev->chip.rev = rev;  in rt2x00_set_chip()
1100 	rt2x00_info(rt2x00dev, "Chipset detected - rt: %04x, rf: %04x, rev: %04x\n",  in rt2x00_set_chip()
1101 		    rt2x00dev->chip.rt, rt2x00dev->chip.rf,  in rt2x00_set_chip()
1102 		    rt2x00dev->chip.rev);  in rt2x00_set_chip()
1108 	rt2x00dev->chip.rt = rt;  in rt2x00_set_rt()
1109 	rt2x00dev->chip.rev = rev;  in rt2x00_set_rt()
1112 		    rt2x00dev->chip.rt, rt2x00dev->chip.rev);  in rt2x00_set_rt()
1117 	rt2x00dev->chip.rf = rf;  in rt2x00_set_rf()
1120 		    rt2x00dev->chip.rf);  in rt2x00_set_rf()
1125 	return (rt2x00dev->chip.rt == rt);  in rt2x00_rt()
1130 	return (rt2x00dev->chip.rf == rf);  in rt2x00_rf()
1135 	return rt2x00dev->chip.rev;  in rt2x00_rev()
1159 	rt2x00dev->chip.intf = intf;  in rt2x00_set_chip_intf()
1165 	return (rt2x00dev->chip.intf == intf);  in rt2x00_intf()
1195 	return test_bit(cap_flag, &rt2x00dev->cap_flags);  in rt2x00_has_cap_flag()
1289  * rt2x00queue_map_txskb - Map a skb into DMA for TX purposes.
1292  * Returns -ENOMEM if mapping fail, 0 otherwise.
1297  * rt2x00queue_unmap_skb - Unmap a skb from DMA.
1303  * rt2x00queue_get_tx_queue - Convert tx queue index to queue pointer
1313 	if (queue >= rt2x00dev->ops->tx_queues && queue < IEEE80211_NUM_ACS)  in rt2x00queue_get_tx_queue()
1314 		queue = rt2x00dev->ops->tx_queues - 1;  in rt2x00queue_get_tx_queue()
1316 	if (queue < rt2x00dev->ops->tx_queues && rt2x00dev->tx)  in rt2x00queue_get_tx_queue()
1317 		return &rt2x00dev->tx[queue];  in rt2x00queue_get_tx_queue()
1320 		return rt2x00dev->atim;  in rt2x00queue_get_tx_queue()
1326  * rt2x00queue_get_entry - Get queue entry where the given index points to.
1334  * rt2x00queue_pause_queue - Pause a data queue
1344  * rt2x00queue_unpause_queue - unpause a data queue
1353  * rt2x00queue_start_queue - Start a data queue
1361  * rt2x00queue_stop_queue - Halt a data queue
1369  * rt2x00queue_flush_queue - Flush a data queue
1379  * rt2x00queue_start_queues - Start all data queues
1387  * rt2x00queue_stop_queues - Halt all data queues
1396  * rt2x00queue_flush_queues - Flush all data queues
1409  * rt2x00debug_dump_frame - Dump a frame to userspace through debugfs.