if_ural.c revision 211314
118334Speter/* $FreeBSD: head/sys/dev/usb/wlan/if_ural.c 211314 2010-08-14 20:12:10Z bschmidt $ */ 290075Sobrien 390075Sobrien/*- 418334Speter * Copyright (c) 2005, 2006 590075Sobrien * Damien Bergamini <damien.bergamini@free.fr> 618334Speter * 790075Sobrien * Copyright (c) 2006, 2008 890075Sobrien * Hans Petter Selasky <hselasky@FreeBSD.org> 990075Sobrien * 1090075Sobrien * Permission to use, copy, modify, and distribute this software for any 1118334Speter * purpose with or without fee is hereby granted, provided that the above 1290075Sobrien * copyright notice and this permission notice appear in all copies. 1390075Sobrien * 1490075Sobrien * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 1590075Sobrien * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 1618334Speter * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 1718334Speter * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 1890075Sobrien * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 1990075Sobrien * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 2090075Sobrien * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 2118334Speter */ 2218334Speter 2318334Speter#include <sys/cdefs.h> 2450397Sobrien__FBSDID("$FreeBSD: head/sys/dev/usb/wlan/if_ural.c 211314 2010-08-14 20:12:10Z bschmidt $"); 2518334Speter 2650397Sobrien/*- 2790075Sobrien * Ralink Technology RT2500USB chipset driver 2818334Speter * http://www.ralinktech.com/ 2918334Speter */ 3050397Sobrien 3150397Sobrien#include <sys/param.h> 3290075Sobrien#include <sys/sockio.h> 3318334Speter#include <sys/sysctl.h> 3490075Sobrien#include <sys/lock.h> 3590075Sobrien#include <sys/mutex.h> 3618334Speter#include <sys/mbuf.h> 3790075Sobrien#include <sys/kernel.h> 3890075Sobrien#include <sys/socket.h> 3990075Sobrien#include <sys/systm.h> 4090075Sobrien#include <sys/malloc.h> 4118334Speter#include <sys/module.h> 4250397Sobrien#include <sys/bus.h> 4390075Sobrien#include <sys/endian.h> 4418334Speter#include <sys/kdb.h> 4518334Speter 4618334Speter#include <machine/bus.h> 4790075Sobrien#include <machine/resource.h> 4818334Speter#include <sys/rman.h> 4918334Speter 5018334Speter#include <net/bpf.h> 5190075Sobrien#include <net/if.h> 5218334Speter#include <net/if_arp.h> 5390075Sobrien#include <net/ethernet.h> 5490075Sobrien#include <net/if_dl.h> 5590075Sobrien#include <net/if_media.h> 5690075Sobrien#include <net/if_types.h> 5790075Sobrien 5890075Sobrien#ifdef INET 5990075Sobrien#include <netinet/in.h> 6090075Sobrien#include <netinet/in_systm.h> 6190075Sobrien#include <netinet/in_var.h> 6218334Speter#include <netinet/if_ether.h> 6318334Speter#include <netinet/ip.h> 6418334Speter#endif 6518334Speter 6618334Speter#include <net80211/ieee80211_var.h> 6718334Speter#include <net80211/ieee80211_regdomain.h> 6818334Speter#include <net80211/ieee80211_radiotap.h> 6918334Speter#include <net80211/ieee80211_ratectl.h> 7018334Speter 7118334Speter#include <dev/usb/usb.h> 7290075Sobrien#include <dev/usb/usbdi.h> 7390075Sobrien#include "usbdevs.h" 7490075Sobrien 7590075Sobrien#define USB_DEBUG_VAR ural_debug 7690075Sobrien#include <dev/usb/usb_debug.h> 7790075Sobrien 7890075Sobrien#include <dev/usb/wlan/if_uralreg.h> 7990075Sobrien#include <dev/usb/wlan/if_uralvar.h> 8090075Sobrien 8190075Sobrien#ifdef USB_DEBUG 8290075Sobrienstatic int ural_debug = 0; 8318334Speter 8418334SpeterSYSCTL_NODE(_hw_usb, OID_AUTO, ural, CTLFLAG_RW, 0, "USB ural"); 8518334SpeterSYSCTL_INT(_hw_usb_ural, OID_AUTO, debug, CTLFLAG_RW, &ural_debug, 0, 8618334Speter "Debug level"); 8718334Speter#endif 8818334Speter 8918334Speter#define URAL_RSSI(rssi) \ 9018334Speter ((rssi) > (RAL_NOISE_FLOOR + RAL_RSSI_CORR) ? \ 9118334Speter ((rssi) - (RAL_NOISE_FLOOR + RAL_RSSI_CORR)) : 0) 9290075Sobrien 9318334Speter/* various supported device vendors/products */ 9418334Speterstatic const struct usb_device_id ural_devs[] = { 9518334Speter#define URAL_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) } 9618334Speter URAL_DEV(ASUS, WL167G), 9790075Sobrien URAL_DEV(ASUS, RT2570), 9890075Sobrien URAL_DEV(BELKIN, F5D7050), 9990075Sobrien URAL_DEV(BELKIN, F5D7051), 10090075Sobrien URAL_DEV(CISCOLINKSYS, HU200TS), 10190075Sobrien URAL_DEV(CISCOLINKSYS, WUSB54G), 10290075Sobrien URAL_DEV(CISCOLINKSYS, WUSB54GP), 10390075Sobrien URAL_DEV(CONCEPTRONIC2, C54RU), 10490075Sobrien URAL_DEV(DLINK, DWLG122), 10590075Sobrien URAL_DEV(GIGABYTE, GN54G), 10690075Sobrien URAL_DEV(GIGABYTE, GNWBKG), 10790075Sobrien URAL_DEV(GUILLEMOT, HWGUSB254), 10890075Sobrien URAL_DEV(MELCO, KG54), 10990075Sobrien URAL_DEV(MELCO, KG54AI), 11090075Sobrien URAL_DEV(MELCO, KG54YB), 11190075Sobrien URAL_DEV(MELCO, NINWIFI), 11290075Sobrien URAL_DEV(MSI, RT2570), 11318334Speter URAL_DEV(MSI, RT2570_2), 11490075Sobrien URAL_DEV(MSI, RT2570_3), 11590075Sobrien URAL_DEV(NOVATECH, NV902), 11690075Sobrien URAL_DEV(RALINK, RT2570), 11790075Sobrien URAL_DEV(RALINK, RT2570_2), 11890075Sobrien URAL_DEV(RALINK, RT2570_3), 11990075Sobrien URAL_DEV(SIEMENS2, WL54G), 12090075Sobrien URAL_DEV(SMC, 2862WG), 12190075Sobrien URAL_DEV(SPHAIRON, UB801R), 12290075Sobrien URAL_DEV(SURECOM, RT2570), 12390075Sobrien URAL_DEV(VTECH, RT2570), 12490075Sobrien URAL_DEV(ZINWELL, RT2570), 12590075Sobrien#undef URAL_DEV 12690075Sobrien}; 12790075Sobrien 12890075Sobrienstatic usb_callback_t ural_bulk_read_callback; 12990075Sobrienstatic usb_callback_t ural_bulk_write_callback; 13090075Sobrien 13190075Sobrienstatic usb_error_t ural_do_request(struct ural_softc *sc, 13218334Speter struct usb_device_request *req, void *data); 13318334Speterstatic struct ieee80211vap *ural_vap_create(struct ieee80211com *, 13418334Speter const char name[IFNAMSIZ], int unit, int opmode, 13518334Speter int flags, const uint8_t bssid[IEEE80211_ADDR_LEN], 13618334Speter const uint8_t mac[IEEE80211_ADDR_LEN]); 13718334Speterstatic void ural_vap_delete(struct ieee80211vap *); 13818334Speterstatic void ural_tx_free(struct ural_tx_data *, int); 13918334Speterstatic void ural_setup_tx_list(struct ural_softc *); 14018334Speterstatic void ural_unsetup_tx_list(struct ural_softc *); 14118334Speterstatic int ural_newstate(struct ieee80211vap *, 14218334Speter enum ieee80211_state, int); 14318334Speterstatic void ural_setup_tx_desc(struct ural_softc *, 14418334Speter struct ural_tx_desc *, uint32_t, int, int); 14518334Speterstatic int ural_tx_bcn(struct ural_softc *, struct mbuf *, 14618334Speter struct ieee80211_node *); 14718334Speterstatic int ural_tx_mgt(struct ural_softc *, struct mbuf *, 14818334Speter struct ieee80211_node *); 14918334Speterstatic int ural_tx_data(struct ural_softc *, struct mbuf *, 15090075Sobrien struct ieee80211_node *); 15190075Sobrienstatic void ural_start(struct ifnet *); 15218334Speterstatic int ural_ioctl(struct ifnet *, u_long, caddr_t); 15318334Speterstatic void ural_set_testmode(struct ural_softc *); 15418334Speterstatic void ural_eeprom_read(struct ural_softc *, uint16_t, void *, 15518334Speter int); 15618334Speterstatic uint16_t ural_read(struct ural_softc *, uint16_t); 15718334Speterstatic void ural_read_multi(struct ural_softc *, uint16_t, void *, 15890075Sobrien int); 15990075Sobrienstatic void ural_write(struct ural_softc *, uint16_t, uint16_t); 16090075Sobrienstatic void ural_write_multi(struct ural_softc *, uint16_t, void *, 16190075Sobrien int) __unused; 16290075Sobrienstatic void ural_bbp_write(struct ural_softc *, uint8_t, uint8_t); 16390075Sobrienstatic uint8_t ural_bbp_read(struct ural_softc *, uint8_t); 16490075Sobrienstatic void ural_rf_write(struct ural_softc *, uint8_t, uint32_t); 16590075Sobrienstatic void ural_scan_start(struct ieee80211com *); 16690075Sobrienstatic void ural_scan_end(struct ieee80211com *); 16790075Sobrienstatic void ural_set_channel(struct ieee80211com *); 16890075Sobrienstatic void ural_set_chan(struct ural_softc *, 16918334Speter struct ieee80211_channel *); 17018334Speterstatic void ural_disable_rf_tune(struct ural_softc *); 17118334Speterstatic void ural_enable_tsf_sync(struct ural_softc *); 17218334Speterstatic void ural_enable_tsf(struct ural_softc *); 17318334Speterstatic void ural_update_slot(struct ifnet *); 17418334Speterstatic void ural_set_txpreamble(struct ural_softc *); 17518334Speterstatic void ural_set_basicrates(struct ural_softc *, 17690075Sobrien const struct ieee80211_channel *); 17718334Speterstatic void ural_set_bssid(struct ural_softc *, const uint8_t *); 17818334Speterstatic void ural_set_macaddr(struct ural_softc *, uint8_t *); 17918334Speterstatic void ural_update_promisc(struct ifnet *); 18018334Speterstatic void ural_setpromisc(struct ural_softc *); 18118334Speterstatic const char *ural_get_rf(int); 18290075Sobrienstatic void ural_read_eeprom(struct ural_softc *); 18318334Speterstatic int ural_bbp_init(struct ural_softc *); 18490075Sobrienstatic void ural_set_txantenna(struct ural_softc *, int); 18590075Sobrienstatic void ural_set_rxantenna(struct ural_softc *, int); 18690075Sobrienstatic void ural_init_locked(struct ural_softc *); 18790075Sobrienstatic void ural_init(void *); 18818334Speterstatic void ural_stop(struct ural_softc *); 18990075Sobrienstatic int ural_raw_xmit(struct ieee80211_node *, struct mbuf *, 19018334Speter const struct ieee80211_bpf_params *); 19118334Speterstatic void ural_ratectl_start(struct ural_softc *, 19218334Speter struct ieee80211_node *); 19318334Speterstatic void ural_ratectl_timeout(void *); 19418334Speterstatic void ural_ratectl_task(void *, int); 19518334Speterstatic int ural_pause(struct ural_softc *sc, int timeout); 19618334Speter 19718334Speter/* 19818334Speter * Default values for MAC registers; values taken from the reference driver. 19918334Speter */ 20018334Speterstatic const struct { 20118334Speter uint16_t reg; 20218334Speter uint16_t val; 20318334Speter} ural_def_mac[] = { 20418334Speter { RAL_TXRX_CSR5, 0x8c8d }, 20518334Speter { RAL_TXRX_CSR6, 0x8b8a }, 20618334Speter { RAL_TXRX_CSR7, 0x8687 }, 20718334Speter { RAL_TXRX_CSR8, 0x0085 }, 20818334Speter { RAL_MAC_CSR13, 0x1111 }, 20990075Sobrien { RAL_MAC_CSR14, 0x1e11 }, 21018334Speter { RAL_TXRX_CSR21, 0xe78f }, 21190075Sobrien { RAL_MAC_CSR9, 0xff1d }, 21218334Speter { RAL_MAC_CSR11, 0x0002 }, 21318334Speter { RAL_MAC_CSR22, 0x0053 }, 21418334Speter { RAL_MAC_CSR15, 0x0000 }, 21518334Speter { RAL_MAC_CSR8, RAL_FRAME_SIZE }, 21618334Speter { RAL_TXRX_CSR19, 0x0000 }, 21790075Sobrien { RAL_TXRX_CSR18, 0x005a }, 21818334Speter { RAL_PHY_CSR2, 0x0000 }, 21918334Speter { RAL_TXRX_CSR0, 0x1ec0 }, 22018334Speter { RAL_PHY_CSR4, 0x000f } 22118334Speter}; 22218334Speter 22390075Sobrien/* 22490075Sobrien * Default values for BBP registers; values taken from the reference driver. 22590075Sobrien */ 22690075Sobrienstatic const struct { 22790075Sobrien uint8_t reg; 22890075Sobrien uint8_t val; 22990075Sobrien} ural_def_bbp[] = { 23090075Sobrien { 3, 0x02 }, 23190075Sobrien { 4, 0x19 }, 23290075Sobrien { 14, 0x1c }, 23390075Sobrien { 15, 0x30 }, 23490075Sobrien { 16, 0xac }, 23590075Sobrien { 17, 0x48 }, 23690075Sobrien { 18, 0x18 }, 23790075Sobrien { 19, 0xff }, 23890075Sobrien { 20, 0x1e }, 23990075Sobrien { 21, 0x08 }, 24090075Sobrien { 22, 0x08 }, 24118334Speter { 23, 0x08 }, 24218334Speter { 24, 0x80 }, 24318334Speter { 25, 0x50 }, 24452284Sobrien { 26, 0x08 }, 24518334Speter { 27, 0x23 }, 24618334Speter { 30, 0x10 }, 24718334Speter { 31, 0x2b }, 24818334Speter { 32, 0xb9 }, 24990075Sobrien { 34, 0x12 }, 25018334Speter { 35, 0x50 }, 25118334Speter { 39, 0xc4 }, 25218334Speter { 40, 0x02 }, 25318334Speter { 41, 0x60 }, 25418334Speter { 53, 0x10 }, 25590075Sobrien { 54, 0x18 }, 25618334Speter { 56, 0x08 }, 25718334Speter { 57, 0x10 }, 25818334Speter { 58, 0x08 }, 25918334Speter { 61, 0x60 }, 26018334Speter { 62, 0x10 }, 26152284Sobrien { 75, 0xff } 26252284Sobrien}; 26352284Sobrien 26452284Sobrien/* 26552284Sobrien * Default values for RF register R2 indexed by channel numbers. 26652284Sobrien */ 26752284Sobrienstatic const uint32_t ural_rf2522_r2[] = { 26852284Sobrien 0x307f6, 0x307fb, 0x30800, 0x30805, 0x3080a, 0x3080f, 0x30814, 26952284Sobrien 0x30819, 0x3081e, 0x30823, 0x30828, 0x3082d, 0x30832, 0x3083e 27052284Sobrien}; 27152284Sobrien 27252284Sobrienstatic const uint32_t ural_rf2523_r2[] = { 27352284Sobrien 0x00327, 0x00328, 0x00329, 0x0032a, 0x0032b, 0x0032c, 0x0032d, 27452284Sobrien 0x0032e, 0x0032f, 0x00340, 0x00341, 0x00342, 0x00343, 0x00346 27552284Sobrien}; 27690075Sobrien 27790075Sobrienstatic const uint32_t ural_rf2524_r2[] = { 27852284Sobrien 0x00327, 0x00328, 0x00329, 0x0032a, 0x0032b, 0x0032c, 0x0032d, 27952284Sobrien 0x0032e, 0x0032f, 0x00340, 0x00341, 0x00342, 0x00343, 0x00346 28052284Sobrien}; 28152284Sobrien 28252284Sobrienstatic const uint32_t ural_rf2525_r2[] = { 28352284Sobrien 0x20327, 0x20328, 0x20329, 0x2032a, 0x2032b, 0x2032c, 0x2032d, 28452284Sobrien 0x2032e, 0x2032f, 0x20340, 0x20341, 0x20342, 0x20343, 0x20346 28590075Sobrien}; 28690075Sobrien 28752284Sobrienstatic const uint32_t ural_rf2525_hi_r2[] = { 28852284Sobrien 0x2032f, 0x20340, 0x20341, 0x20342, 0x20343, 0x20344, 0x20345, 28990075Sobrien 0x20346, 0x20347, 0x20348, 0x20349, 0x2034a, 0x2034b, 0x2034e 29052284Sobrien}; 29152284Sobrien 29252284Sobrienstatic const uint32_t ural_rf2525e_r2[] = { 29352284Sobrien 0x2044d, 0x2044e, 0x2044f, 0x20460, 0x20461, 0x20462, 0x20463, 29452284Sobrien 0x20464, 0x20465, 0x20466, 0x20467, 0x20468, 0x20469, 0x2046b 29590075Sobrien}; 29690075Sobrien 29718334Speterstatic const uint32_t ural_rf2526_hi_r2[] = { 29818334Speter 0x0022a, 0x0022b, 0x0022b, 0x0022c, 0x0022c, 0x0022d, 0x0022d, 29918334Speter 0x0022e, 0x0022e, 0x0022f, 0x0022d, 0x00240, 0x00240, 0x00241 30018334Speter}; 30118334Speter 30218334Speterstatic const uint32_t ural_rf2526_r2[] = { 30390075Sobrien 0x00226, 0x00227, 0x00227, 0x00228, 0x00228, 0x00229, 0x00229, 30490075Sobrien 0x0022a, 0x0022a, 0x0022b, 0x0022b, 0x0022c, 0x0022c, 0x0022d 30590075Sobrien}; 30618334Speter 30790075Sobrien/* 30890075Sobrien * For dual-band RF, RF registers R1 and R4 also depend on channel number; 30990075Sobrien * values taken from the reference driver. 31090075Sobrien */ 31190075Sobrienstatic const struct { 31290075Sobrien uint8_t chan; 31390075Sobrien uint32_t r1; 31490075Sobrien uint32_t r2; 31590075Sobrien uint32_t r4; 31690075Sobrien} ural_rf5222[] = { 31790075Sobrien { 1, 0x08808, 0x0044d, 0x00282 }, 31890075Sobrien { 2, 0x08808, 0x0044e, 0x00282 }, 31918334Speter { 3, 0x08808, 0x0044f, 0x00282 }, 32018334Speter { 4, 0x08808, 0x00460, 0x00282 }, 32118334Speter { 5, 0x08808, 0x00461, 0x00282 }, 32218334Speter { 6, 0x08808, 0x00462, 0x00282 }, 32318334Speter { 7, 0x08808, 0x00463, 0x00282 }, 32418334Speter { 8, 0x08808, 0x00464, 0x00282 }, 32518334Speter { 9, 0x08808, 0x00465, 0x00282 }, 32618334Speter { 10, 0x08808, 0x00466, 0x00282 }, 32718334Speter { 11, 0x08808, 0x00467, 0x00282 }, 32818334Speter { 12, 0x08808, 0x00468, 0x00282 }, 32918334Speter { 13, 0x08808, 0x00469, 0x00282 }, 33018334Speter { 14, 0x08808, 0x0046b, 0x00286 }, 33118334Speter 33218334Speter { 36, 0x08804, 0x06225, 0x00287 }, 33318334Speter { 40, 0x08804, 0x06226, 0x00287 }, 33418334Speter { 44, 0x08804, 0x06227, 0x00287 }, 33518334Speter { 48, 0x08804, 0x06228, 0x00287 }, 33690075Sobrien { 52, 0x08804, 0x06229, 0x00287 }, 33718334Speter { 56, 0x08804, 0x0622a, 0x00287 }, 33890075Sobrien { 60, 0x08804, 0x0622b, 0x00287 }, 33990075Sobrien { 64, 0x08804, 0x0622c, 0x00287 }, 34018334Speter 34118334Speter { 100, 0x08804, 0x02200, 0x00283 }, 34218334Speter { 104, 0x08804, 0x02201, 0x00283 }, 34390075Sobrien { 108, 0x08804, 0x02202, 0x00283 }, 34490075Sobrien { 112, 0x08804, 0x02203, 0x00283 }, 34518334Speter { 116, 0x08804, 0x02204, 0x00283 }, 34618334Speter { 120, 0x08804, 0x02205, 0x00283 }, 34718334Speter { 124, 0x08804, 0x02206, 0x00283 }, 34890075Sobrien { 128, 0x08804, 0x02207, 0x00283 }, 34918334Speter { 132, 0x08804, 0x02208, 0x00283 }, 35090075Sobrien { 136, 0x08804, 0x02209, 0x00283 }, 35190075Sobrien { 140, 0x08804, 0x0220a, 0x00283 }, 35290075Sobrien 35390075Sobrien { 149, 0x08808, 0x02429, 0x00281 }, 35490075Sobrien { 153, 0x08808, 0x0242b, 0x00281 }, 35590075Sobrien { 157, 0x08808, 0x0242d, 0x00281 }, 35690075Sobrien { 161, 0x08808, 0x0242f, 0x00281 } 35790075Sobrien}; 35890075Sobrien 35918334Speterstatic const struct usb_config ural_config[URAL_N_TRANSFER] = { 36018334Speter [URAL_BULK_WR] = { 36190075Sobrien .type = UE_BULK, 36290075Sobrien .endpoint = UE_ADDR_ANY, 36390075Sobrien .direction = UE_DIR_OUT, 36418334Speter .bufsize = (RAL_FRAME_SIZE + RAL_TX_DESC_SIZE + 4), 36518334Speter .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 36690075Sobrien .callback = ural_bulk_write_callback, 36790075Sobrien .timeout = 5000, /* ms */ 36890075Sobrien }, 36990075Sobrien [URAL_BULK_RD] = { 37090075Sobrien .type = UE_BULK, 37190075Sobrien .endpoint = UE_ADDR_ANY, 37290075Sobrien .direction = UE_DIR_IN, 37318334Speter .bufsize = (RAL_FRAME_SIZE + RAL_RX_DESC_SIZE), 37418334Speter .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 37518334Speter .callback = ural_bulk_read_callback, 37618334Speter }, 37790075Sobrien}; 37890075Sobrien 37990075Sobrienstatic device_probe_t ural_match; 38090075Sobrienstatic device_attach_t ural_attach; 38190075Sobrienstatic device_detach_t ural_detach; 38290075Sobrien 38390075Sobrienstatic device_method_t ural_methods[] = { 38490075Sobrien /* Device interface */ 38518334Speter DEVMETHOD(device_probe, ural_match), 38690075Sobrien DEVMETHOD(device_attach, ural_attach), 38718334Speter DEVMETHOD(device_detach, ural_detach), 38818334Speter 38918334Speter { 0, 0 } 39018334Speter}; 39190075Sobrien 39290075Sobrienstatic driver_t ural_driver = { 39390075Sobrien .name = "ural", 39490075Sobrien .methods = ural_methods, 39590075Sobrien .size = sizeof(struct ural_softc), 39690075Sobrien}; 39790075Sobrien 39890075Sobrienstatic devclass_t ural_devclass; 39990075Sobrien 40090075SobrienDRIVER_MODULE(ural, uhub, ural_driver, ural_devclass, NULL, 0); 40190075SobrienMODULE_DEPEND(ural, usb, 1, 1, 1); 40290075SobrienMODULE_DEPEND(ural, wlan, 1, 1, 1); 40390075Sobrien 40490075Sobrienstatic int 40518334Speterural_match(device_t self) 40618334Speter{ 40790075Sobrien struct usb_attach_arg *uaa = device_get_ivars(self); 40890075Sobrien 40990075Sobrien if (uaa->usb_mode != USB_MODE_HOST) 41090075Sobrien return (ENXIO); 41118334Speter if (uaa->info.bConfigIndex != 0) 41250397Sobrien return (ENXIO); 41350397Sobrien if (uaa->info.bIfaceIndex != RAL_IFACE_INDEX) 41418334Speter return (ENXIO); 41590075Sobrien 41690075Sobrien return (usbd_lookup_id_by_uaa(ural_devs, sizeof(ural_devs), uaa)); 41718334Speter} 41890075Sobrien 41918334Speterstatic int 42090075Sobrienural_attach(device_t self) 42118334Speter{ 42218334Speter struct usb_attach_arg *uaa = device_get_ivars(self); 42318334Speter struct ural_softc *sc = device_get_softc(self); 42418334Speter struct ifnet *ifp; 42518334Speter struct ieee80211com *ic; 42618334Speter uint8_t iface_index, bands; 42750397Sobrien int error; 42890075Sobrien 42990075Sobrien device_set_usb_desc(self); 43090075Sobrien sc->sc_udev = uaa->device; 43190075Sobrien sc->sc_dev = self; 43290075Sobrien 43350397Sobrien mtx_init(&sc->sc_mtx, device_get_nameunit(self), 43450397Sobrien MTX_NETWORK_LOCK, MTX_DEF); 43518334Speter 43618334Speter iface_index = RAL_IFACE_INDEX; 43718334Speter error = usbd_transfer_setup(uaa->device, 43890075Sobrien &iface_index, sc->sc_xfer, ural_config, 43990075Sobrien URAL_N_TRANSFER, sc, &sc->sc_mtx); 44090075Sobrien if (error) { 44190075Sobrien device_printf(self, "could not allocate USB transfers, " 44290075Sobrien "err=%s\n", usbd_errstr(error)); 44390075Sobrien goto detach; 44490075Sobrien } 44590075Sobrien 44690075Sobrien RAL_LOCK(sc); 44790075Sobrien /* retrieve RT2570 rev. no */ 44890075Sobrien sc->asic_rev = ural_read(sc, RAL_MAC_CSR0); 44990075Sobrien 45090075Sobrien /* retrieve MAC address and various other things from EEPROM */ 45190075Sobrien ural_read_eeprom(sc); 45290075Sobrien RAL_UNLOCK(sc); 45390075Sobrien 45490075Sobrien device_printf(self, "MAC/BBP RT2570 (rev 0x%02x), RF %s\n", 45590075Sobrien sc->asic_rev, ural_get_rf(sc->rf_rev)); 45690075Sobrien 45790075Sobrien ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 45890075Sobrien if (ifp == NULL) { 45990075Sobrien device_printf(sc->sc_dev, "can not if_alloc()\n"); 46090075Sobrien goto detach; 46118334Speter } 46218334Speter ic = ifp->if_l2com; 46390075Sobrien 46490075Sobrien ifp->if_softc = sc; 46518334Speter if_initname(ifp, "ural", device_get_unit(sc->sc_dev)); 46690075Sobrien ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 46718334Speter ifp->if_init = ural_init; 46890075Sobrien ifp->if_ioctl = ural_ioctl; 46990075Sobrien ifp->if_start = ural_start; 47090075Sobrien IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 47190075Sobrien ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 47290075Sobrien IFQ_SET_READY(&ifp->if_snd); 47390075Sobrien 47418334Speter ic->ic_ifp = ifp; 47590075Sobrien ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 47690075Sobrien 47790075Sobrien /* set device capabilities */ 47890075Sobrien ic->ic_caps = 47990075Sobrien IEEE80211_C_STA /* station mode supported */ 48090075Sobrien | IEEE80211_C_IBSS /* IBSS mode supported */ 48190075Sobrien | IEEE80211_C_MONITOR /* monitor mode supported */ 48290075Sobrien | IEEE80211_C_HOSTAP /* HostAp mode supported */ 48390075Sobrien | IEEE80211_C_TXPMGT /* tx power management */ 48490075Sobrien | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 48518334Speter | IEEE80211_C_SHSLOT /* short slot time supported */ 48690075Sobrien | IEEE80211_C_BGSCAN /* bg scanning supported */ 48790075Sobrien | IEEE80211_C_WPA /* 802.11i */ 48818334Speter | IEEE80211_C_RATECTL /* use ratectl */ 48990075Sobrien ; 49090075Sobrien 49190075Sobrien bands = 0; 49290075Sobrien setbit(&bands, IEEE80211_MODE_11B); 49390075Sobrien setbit(&bands, IEEE80211_MODE_11G); 49490075Sobrien if (sc->rf_rev == RAL_RF_5222) 49590075Sobrien setbit(&bands, IEEE80211_MODE_11A); 49690075Sobrien ieee80211_init_channels(ic, NULL, &bands); 49790075Sobrien 49850397Sobrien ieee80211_ifattach(ic, sc->sc_bssid); 49950397Sobrien ic->ic_update_promisc = ural_update_promisc; 50090075Sobrien ic->ic_raw_xmit = ural_raw_xmit; 50190075Sobrien ic->ic_scan_start = ural_scan_start; 50250397Sobrien ic->ic_scan_end = ural_scan_end; 50318334Speter ic->ic_set_channel = ural_set_channel; 50490075Sobrien 50590075Sobrien ic->ic_vap_create = ural_vap_create; 50690075Sobrien ic->ic_vap_delete = ural_vap_delete; 50790075Sobrien 50890075Sobrien ieee80211_radiotap_attach(ic, 50990075Sobrien &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 51090075Sobrien RAL_TX_RADIOTAP_PRESENT, 51190075Sobrien &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 51290075Sobrien RAL_RX_RADIOTAP_PRESENT); 51390075Sobrien 51490075Sobrien if (bootverbose) 51590075Sobrien ieee80211_announce(ic); 51690075Sobrien 51790075Sobrien return (0); 51890075Sobrien 51990075Sobriendetach: 52090075Sobrien ural_detach(self); 52190075Sobrien return (ENXIO); /* failure */ 52290075Sobrien} 52390075Sobrien 52490075Sobrienstatic int 52590075Sobrienural_detach(device_t self) 52690075Sobrien{ 52790075Sobrien struct ural_softc *sc = device_get_softc(self); 52890075Sobrien struct ifnet *ifp = sc->sc_ifp; 52990075Sobrien struct ieee80211com *ic; 53090075Sobrien 53190075Sobrien /* stop all USB transfers */ 53290075Sobrien usbd_transfer_unsetup(sc->sc_xfer, URAL_N_TRANSFER); 53390075Sobrien 53490075Sobrien /* free TX list, if any */ 53590075Sobrien RAL_LOCK(sc); 53690075Sobrien ural_unsetup_tx_list(sc); 53790075Sobrien RAL_UNLOCK(sc); 53890075Sobrien 53990075Sobrien if (ifp) { 54090075Sobrien ic = ifp->if_l2com; 54190075Sobrien ieee80211_ifdetach(ic); 54290075Sobrien if_free(ifp); 54390075Sobrien } 54490075Sobrien mtx_destroy(&sc->sc_mtx); 54590075Sobrien 54690075Sobrien return (0); 54790075Sobrien} 54890075Sobrien 54990075Sobrienstatic usb_error_t 55090075Sobrienural_do_request(struct ural_softc *sc, 55190075Sobrien struct usb_device_request *req, void *data) 55290075Sobrien{ 55390075Sobrien usb_error_t err; 55490075Sobrien int ntries = 10; 55590075Sobrien 55690075Sobrien while (ntries--) { 55790075Sobrien err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx, 55890075Sobrien req, data, 0, NULL, 250 /* ms */); 55990075Sobrien if (err == 0) 56090075Sobrien break; 56190075Sobrien 56290075Sobrien DPRINTFN(1, "Control request failed, %s (retrying)\n", 56390075Sobrien usbd_errstr(err)); 56490075Sobrien if (ural_pause(sc, hz / 100)) 56590075Sobrien break; 56690075Sobrien } 56790075Sobrien return (err); 56890075Sobrien} 56990075Sobrien 57090075Sobrienstatic struct ieee80211vap * 57190075Sobrienural_vap_create(struct ieee80211com *ic, 57290075Sobrien const char name[IFNAMSIZ], int unit, int opmode, int flags, 57390075Sobrien const uint8_t bssid[IEEE80211_ADDR_LEN], 57490075Sobrien const uint8_t mac[IEEE80211_ADDR_LEN]) 57590075Sobrien{ 57690075Sobrien struct ural_softc *sc = ic->ic_ifp->if_softc; 57790075Sobrien struct ural_vap *uvp; 57818334Speter struct ieee80211vap *vap; 57990075Sobrien 58090075Sobrien if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 58118334Speter return NULL; 58290075Sobrien uvp = (struct ural_vap *) malloc(sizeof(struct ural_vap), 58390075Sobrien M_80211_VAP, M_NOWAIT | M_ZERO); 58490075Sobrien if (uvp == NULL) 58590075Sobrien return NULL; 58690075Sobrien vap = &uvp->vap; 58790075Sobrien /* enable s/w bmiss handling for sta mode */ 58890075Sobrien ieee80211_vap_setup(ic, vap, name, unit, opmode, 58990075Sobrien flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); 59090075Sobrien 59118334Speter /* override state transition machine */ 59290075Sobrien uvp->newstate = vap->iv_newstate; 59318334Speter vap->iv_newstate = ural_newstate; 59490075Sobrien 59590075Sobrien usb_callout_init_mtx(&uvp->ratectl_ch, &sc->sc_mtx, 0); 59690075Sobrien TASK_INIT(&uvp->ratectl_task, 0, ural_ratectl_task, uvp); 59790075Sobrien ieee80211_ratectl_init(vap); 59890075Sobrien ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */); 59990075Sobrien 60090075Sobrien /* complete setup */ 60190075Sobrien ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status); 60290075Sobrien ic->ic_opmode = opmode; 60390075Sobrien return vap; 60490075Sobrien} 60590075Sobrien 60690075Sobrienstatic void 60790075Sobrienural_vap_delete(struct ieee80211vap *vap) 60890075Sobrien{ 60990075Sobrien struct ural_vap *uvp = URAL_VAP(vap); 61090075Sobrien struct ieee80211com *ic = vap->iv_ic; 61190075Sobrien 61290075Sobrien usb_callout_drain(&uvp->ratectl_ch); 61390075Sobrien ieee80211_draintask(ic, &uvp->ratectl_task); 61490075Sobrien ieee80211_ratectl_deinit(vap); 61590075Sobrien ieee80211_vap_detach(vap); 61690075Sobrien free(uvp, M_80211_VAP); 61790075Sobrien} 61890075Sobrien 61990075Sobrienstatic void 62090075Sobrienural_tx_free(struct ural_tx_data *data, int txerr) 62190075Sobrien{ 62290075Sobrien struct ural_softc *sc = data->sc; 62390075Sobrien 62490075Sobrien if (data->m != NULL) { 62590075Sobrien if (data->m->m_flags & M_TXCB) 62690075Sobrien ieee80211_process_callback(data->ni, data->m, 62790075Sobrien txerr ? ETIMEDOUT : 0); 62890075Sobrien m_freem(data->m); 62990075Sobrien data->m = NULL; 63090075Sobrien 63190075Sobrien ieee80211_free_node(data->ni); 63290075Sobrien data->ni = NULL; 63390075Sobrien } 63490075Sobrien STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 63590075Sobrien sc->tx_nfree++; 63690075Sobrien} 63790075Sobrien 63890075Sobrienstatic void 63990075Sobrienural_setup_tx_list(struct ural_softc *sc) 64090075Sobrien{ 64190075Sobrien struct ural_tx_data *data; 64290075Sobrien int i; 64390075Sobrien 64490075Sobrien sc->tx_nfree = 0; 64590075Sobrien STAILQ_INIT(&sc->tx_q); 64690075Sobrien STAILQ_INIT(&sc->tx_free); 64790075Sobrien 64890075Sobrien for (i = 0; i < RAL_TX_LIST_COUNT; i++) { 64990075Sobrien data = &sc->tx_data[i]; 65090075Sobrien 65190075Sobrien data->sc = sc; 65290075Sobrien STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 65390075Sobrien sc->tx_nfree++; 65490075Sobrien } 65590075Sobrien} 65690075Sobrien 65790075Sobrienstatic void 65890075Sobrienural_unsetup_tx_list(struct ural_softc *sc) 65990075Sobrien{ 66018334Speter struct ural_tx_data *data; 66190075Sobrien int i; 66290075Sobrien 66390075Sobrien /* make sure any subsequent use of the queues will fail */ 66490075Sobrien sc->tx_nfree = 0; 66590075Sobrien STAILQ_INIT(&sc->tx_q); 66690075Sobrien STAILQ_INIT(&sc->tx_free); 66718334Speter 66890075Sobrien /* free up all node references and mbufs */ 66950397Sobrien for (i = 0; i < RAL_TX_LIST_COUNT; i++) { 67090075Sobrien data = &sc->tx_data[i]; 67150397Sobrien 67218334Speter if (data->m != NULL) { 67390075Sobrien m_freem(data->m); 67418334Speter data->m = NULL; 67590075Sobrien } 67690075Sobrien if (data->ni != NULL) { 67790075Sobrien ieee80211_free_node(data->ni); 67818334Speter data->ni = NULL; 67990075Sobrien } 68090075Sobrien } 68190075Sobrien} 68290075Sobrien 68390075Sobrienstatic int 68490075Sobrienural_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 68590075Sobrien{ 68690075Sobrien struct ural_vap *uvp = URAL_VAP(vap); 68790075Sobrien struct ieee80211com *ic = vap->iv_ic; 68890075Sobrien struct ural_softc *sc = ic->ic_ifp->if_softc; 68918334Speter const struct ieee80211_txparam *tp; 69018334Speter struct ieee80211_node *ni; 69190075Sobrien struct mbuf *m; 69290075Sobrien 69390075Sobrien DPRINTF("%s -> %s\n", 69490075Sobrien ieee80211_state_name[vap->iv_state], 69590075Sobrien ieee80211_state_name[nstate]); 69690075Sobrien 69790075Sobrien IEEE80211_UNLOCK(ic); 69890075Sobrien RAL_LOCK(sc); 69990075Sobrien usb_callout_stop(&uvp->ratectl_ch); 70018334Speter 70190075Sobrien switch (nstate) { 70290075Sobrien case IEEE80211_S_INIT: 70390075Sobrien if (vap->iv_state == IEEE80211_S_RUN) { 70490075Sobrien /* abort TSF synchronization */ 70518334Speter ural_write(sc, RAL_TXRX_CSR19, 0); 70690075Sobrien 70790075Sobrien /* force tx led to stop blinking */ 70890075Sobrien ural_write(sc, RAL_MAC_CSR20, 0); 70990075Sobrien } 71090075Sobrien break; 71190075Sobrien 71290075Sobrien case IEEE80211_S_RUN: 71390075Sobrien ni = vap->iv_bss; 71490075Sobrien 71590075Sobrien if (vap->iv_opmode != IEEE80211_M_MONITOR) { 71690075Sobrien ural_update_slot(ic->ic_ifp); 71790075Sobrien ural_set_txpreamble(sc); 71890075Sobrien ural_set_basicrates(sc, ic->ic_bsschan); 71990075Sobrien IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid); 72090075Sobrien ural_set_bssid(sc, sc->sc_bssid); 72190075Sobrien } 72290075Sobrien 72318334Speter if (vap->iv_opmode == IEEE80211_M_HOSTAP || 72490075Sobrien vap->iv_opmode == IEEE80211_M_IBSS) { 72590075Sobrien m = ieee80211_beacon_alloc(ni, &uvp->bo); 72690075Sobrien if (m == NULL) { 72790075Sobrien device_printf(sc->sc_dev, 72890075Sobrien "could not allocate beacon\n"); 72990075Sobrien RAL_UNLOCK(sc); 73090075Sobrien IEEE80211_LOCK(ic); 73190075Sobrien return (-1); 73290075Sobrien } 73390075Sobrien ieee80211_ref_node(ni); 73418334Speter if (ural_tx_bcn(sc, m, ni) != 0) { 73590075Sobrien device_printf(sc->sc_dev, 73690075Sobrien "could not send beacon\n"); 73790075Sobrien RAL_UNLOCK(sc); 73890075Sobrien IEEE80211_LOCK(ic); 73990075Sobrien return (-1); 74090075Sobrien } 74190075Sobrien } 74290075Sobrien 74390075Sobrien /* make tx led blink on tx (controlled by ASIC) */ 74490075Sobrien ural_write(sc, RAL_MAC_CSR20, 1); 74590075Sobrien 74690075Sobrien if (vap->iv_opmode != IEEE80211_M_MONITOR) 74790075Sobrien ural_enable_tsf_sync(sc); 74890075Sobrien else 74990075Sobrien ural_enable_tsf(sc); 75090075Sobrien 75190075Sobrien /* enable automatic rate adaptation */ 75290075Sobrien /* XXX should use ic_bsschan but not valid until after newstate call below */ 75390075Sobrien tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 75490075Sobrien if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) 75590075Sobrien ural_ratectl_start(sc, ni); 75690075Sobrien 75790075Sobrien break; 75890075Sobrien 75990075Sobrien default: 76090075Sobrien break; 76190075Sobrien } 76290075Sobrien RAL_UNLOCK(sc); 76390075Sobrien IEEE80211_LOCK(ic); 76490075Sobrien return (uvp->newstate(vap, nstate, arg)); 76590075Sobrien} 76690075Sobrien 76790075Sobrien 76890075Sobrienstatic void 76990075Sobrienural_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 77090075Sobrien{ 77190075Sobrien struct ural_softc *sc = usbd_xfer_softc(xfer); 77290075Sobrien struct ifnet *ifp = sc->sc_ifp; 77390075Sobrien struct ieee80211vap *vap; 77490075Sobrien struct ural_tx_data *data; 77590075Sobrien struct mbuf *m; 77690075Sobrien struct usb_page_cache *pc; 77790075Sobrien int len; 77890075Sobrien 77990075Sobrien usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 78090075Sobrien 78118334Speter switch (USB_GET_STATE(xfer)) { 78218334Speter case USB_ST_TRANSFERRED: 78390075Sobrien DPRINTFN(11, "transfer complete, %d bytes\n", len); 78490075Sobrien 78590075Sobrien /* free resources */ 78690075Sobrien data = usbd_xfer_get_priv(xfer); 78790075Sobrien ural_tx_free(data, 0); 78890075Sobrien usbd_xfer_set_priv(xfer, NULL); 78990075Sobrien 79090075Sobrien ifp->if_opackets++; 79190075Sobrien ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 79290075Sobrien 79390075Sobrien /* FALLTHROUGH */ 79490075Sobrien case USB_ST_SETUP: 79590075Sobrientr_setup: 79690075Sobrien data = STAILQ_FIRST(&sc->tx_q); 79790075Sobrien if (data) { 79890075Sobrien STAILQ_REMOVE_HEAD(&sc->tx_q, next); 79990075Sobrien m = data->m; 80090075Sobrien 80190075Sobrien if (m->m_pkthdr.len > (RAL_FRAME_SIZE + RAL_TX_DESC_SIZE)) { 80290075Sobrien DPRINTFN(0, "data overflow, %u bytes\n", 80390075Sobrien m->m_pkthdr.len); 80490075Sobrien m->m_pkthdr.len = (RAL_FRAME_SIZE + RAL_TX_DESC_SIZE); 80590075Sobrien } 80690075Sobrien pc = usbd_xfer_get_frame(xfer, 0); 80718334Speter usbd_copy_in(pc, 0, &data->desc, RAL_TX_DESC_SIZE); 80890075Sobrien usbd_m_copy_in(pc, RAL_TX_DESC_SIZE, m, 0, 80918334Speter m->m_pkthdr.len); 81018334Speter 81118334Speter vap = data->ni->ni_vap; 81250397Sobrien if (ieee80211_radiotap_active_vap(vap)) { 81318334Speter struct ural_tx_radiotap_header *tap = &sc->sc_txtap; 81418334Speter 81590075Sobrien tap->wt_flags = 0; 81690075Sobrien tap->wt_rate = data->rate; 81790075Sobrien tap->wt_antenna = sc->tx_ant; 81890075Sobrien 81918334Speter ieee80211_radiotap_tx(vap, m); 82090075Sobrien } 82190075Sobrien 82218334Speter /* xfer length needs to be a multiple of two! */ 82390075Sobrien len = (RAL_TX_DESC_SIZE + m->m_pkthdr.len + 1) & ~1; 82490075Sobrien if ((len % 64) == 0) 82590075Sobrien len += 2; 82690075Sobrien 82790075Sobrien DPRINTFN(11, "sending frame len=%u xferlen=%u\n", 82818334Speter m->m_pkthdr.len, len); 82990075Sobrien 83090075Sobrien usbd_xfer_set_frame_len(xfer, 0, len); 83190075Sobrien usbd_xfer_set_priv(xfer, data); 83290075Sobrien 83390075Sobrien usbd_transfer_submit(xfer); 83490075Sobrien } 83590075Sobrien RAL_UNLOCK(sc); 83690075Sobrien ural_start(ifp); 83790075Sobrien RAL_LOCK(sc); 83890075Sobrien break; 83990075Sobrien 84090075Sobrien default: /* Error */ 84190075Sobrien DPRINTFN(11, "transfer error, %s\n", 84290075Sobrien usbd_errstr(error)); 84390075Sobrien 84418334Speter ifp->if_oerrors++; 84590075Sobrien data = usbd_xfer_get_priv(xfer); 84690075Sobrien if (data != NULL) { 84790075Sobrien ural_tx_free(data, error); 84890075Sobrien usbd_xfer_set_priv(xfer, NULL); 84990075Sobrien } 85090075Sobrien 85190075Sobrien if (error == USB_ERR_STALLED) { 85290075Sobrien /* try to clear stall first */ 85390075Sobrien usbd_xfer_set_stall(xfer); 85490075Sobrien goto tr_setup; 85590075Sobrien } 85690075Sobrien if (error == USB_ERR_TIMEOUT) 85790075Sobrien device_printf(sc->sc_dev, "device timeout\n"); 85890075Sobrien break; 85918334Speter } 86018334Speter} 86190075Sobrien 86290075Sobrienstatic void 86390075Sobrienural_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 86490075Sobrien{ 86590075Sobrien struct ural_softc *sc = usbd_xfer_softc(xfer); 86690075Sobrien struct ifnet *ifp = sc->sc_ifp; 86790075Sobrien struct ieee80211com *ic = ifp->if_l2com; 86818334Speter struct ieee80211_node *ni; 86990075Sobrien struct mbuf *m = NULL; 87018334Speter struct usb_page_cache *pc; 87118334Speter uint32_t flags; 87290075Sobrien int8_t rssi = 0, nf = 0; 87390075Sobrien int len; 87418334Speter 87590075Sobrien usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 87618334Speter 87790075Sobrien switch (USB_GET_STATE(xfer)) { 87890075Sobrien case USB_ST_TRANSFERRED: 87990075Sobrien 88090075Sobrien DPRINTFN(15, "rx done, actlen=%d\n", len); 88190075Sobrien 88290075Sobrien if (len < RAL_RX_DESC_SIZE + IEEE80211_MIN_LEN) { 88390075Sobrien DPRINTF("%s: xfer too short %d\n", 88490075Sobrien device_get_nameunit(sc->sc_dev), len); 88590075Sobrien ifp->if_ierrors++; 88690075Sobrien goto tr_setup; 88790075Sobrien } 88890075Sobrien 88990075Sobrien len -= RAL_RX_DESC_SIZE; 89090075Sobrien /* rx descriptor is located at the end */ 89190075Sobrien pc = usbd_xfer_get_frame(xfer, 0); 89290075Sobrien usbd_copy_out(pc, len, &sc->sc_rx_desc, RAL_RX_DESC_SIZE); 89390075Sobrien 89490075Sobrien rssi = URAL_RSSI(sc->sc_rx_desc.rssi); 89590075Sobrien nf = RAL_NOISE_FLOOR; 89690075Sobrien flags = le32toh(sc->sc_rx_desc.flags); 89790075Sobrien if (flags & (RAL_RX_PHY_ERROR | RAL_RX_CRC_ERROR)) { 89890075Sobrien /* 89990075Sobrien * This should not happen since we did not 90090075Sobrien * request to receive those frames when we 90190075Sobrien * filled RAL_TXRX_CSR2: 90290075Sobrien */ 90390075Sobrien DPRINTFN(5, "PHY or CRC error\n"); 90490075Sobrien ifp->if_ierrors++; 90518334Speter goto tr_setup; 90690075Sobrien } 90718334Speter 90890075Sobrien m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 90990075Sobrien if (m == NULL) { 91090075Sobrien DPRINTF("could not allocate mbuf\n"); 91190075Sobrien ifp->if_ierrors++; 91290075Sobrien goto tr_setup; 91390075Sobrien } 91490075Sobrien usbd_copy_out(pc, 0, mtod(m, uint8_t *), len); 91590075Sobrien 91690075Sobrien /* finalize mbuf */ 91790075Sobrien m->m_pkthdr.rcvif = ifp; 91890075Sobrien m->m_pkthdr.len = m->m_len = (flags >> 16) & 0xfff; 91990075Sobrien 92090075Sobrien if (ieee80211_radiotap_active(ic)) { 92190075Sobrien struct ural_rx_radiotap_header *tap = &sc->sc_rxtap; 92290075Sobrien 92390075Sobrien /* XXX set once */ 92418334Speter tap->wr_flags = 0; 92590075Sobrien tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate, 92690075Sobrien (flags & RAL_RX_OFDM) ? 92790075Sobrien IEEE80211_T_OFDM : IEEE80211_T_CCK); 92890075Sobrien tap->wr_antenna = sc->rx_ant; 92990075Sobrien tap->wr_antsignal = nf + rssi; 93090075Sobrien tap->wr_antnoise = nf; 93190075Sobrien } 93290075Sobrien /* Strip trailing 802.11 MAC FCS. */ 93390075Sobrien m_adj(m, -IEEE80211_CRC_LEN); 93490075Sobrien 93590075Sobrien /* FALLTHROUGH */ 93690075Sobrien case USB_ST_SETUP: 93790075Sobrientr_setup: 93890075Sobrien usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 93990075Sobrien usbd_transfer_submit(xfer); 94090075Sobrien 94190075Sobrien /* 94290075Sobrien * At the end of a USB callback it is always safe to unlock 94390075Sobrien * the private mutex of a device! That is why we do the 94490075Sobrien * "ieee80211_input" here, and not some lines up! 94590075Sobrien */ 94690075Sobrien RAL_UNLOCK(sc); 94790075Sobrien if (m) { 94890075Sobrien ni = ieee80211_find_rxnode(ic, 94990075Sobrien mtod(m, struct ieee80211_frame_min *)); 95090075Sobrien if (ni != NULL) { 95190075Sobrien (void) ieee80211_input(ni, m, rssi, nf); 95290075Sobrien ieee80211_free_node(ni); 95390075Sobrien } else 95490075Sobrien (void) ieee80211_input_all(ic, m, rssi, nf); 95590075Sobrien } 95690075Sobrien if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 && 95790075Sobrien !IFQ_IS_EMPTY(&ifp->if_snd)) 95890075Sobrien ural_start(ifp); 95990075Sobrien RAL_LOCK(sc); 96090075Sobrien return; 96190075Sobrien 96290075Sobrien default: /* Error */ 96390075Sobrien if (error != USB_ERR_CANCELLED) { 96490075Sobrien /* try to clear stall first */ 96590075Sobrien usbd_xfer_set_stall(xfer); 96690075Sobrien goto tr_setup; 96790075Sobrien } 96890075Sobrien return; 96990075Sobrien } 97090075Sobrien} 97190075Sobrien 97290075Sobrienstatic uint8_t 97390075Sobrienural_plcp_signal(int rate) 97490075Sobrien{ 97590075Sobrien switch (rate) { 97690075Sobrien /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 97790075Sobrien case 12: return 0xb; 97890075Sobrien case 18: return 0xf; 97990075Sobrien case 24: return 0xa; 98018334Speter case 36: return 0xe; 98190075Sobrien case 48: return 0x9; 98290075Sobrien case 72: return 0xd; 98390075Sobrien case 96: return 0x8; 98490075Sobrien case 108: return 0xc; 98590075Sobrien 98690075Sobrien /* CCK rates (NB: not IEEE std, device-specific) */ 98790075Sobrien case 2: return 0x0; 98890075Sobrien case 4: return 0x1; 98990075Sobrien case 11: return 0x2; 99018334Speter case 22: return 0x3; 99118334Speter } 99218334Speter return 0xff; /* XXX unsupported/unknown rate */ 99390075Sobrien} 99490075Sobrien 99518334Speterstatic void 99690075Sobrienural_setup_tx_desc(struct ural_softc *sc, struct ural_tx_desc *desc, 99718334Speter uint32_t flags, int len, int rate) 99890075Sobrien{ 99990075Sobrien struct ifnet *ifp = sc->sc_ifp; 100090075Sobrien struct ieee80211com *ic = ifp->if_l2com; 100190075Sobrien uint16_t plcp_length; 100290075Sobrien int remainder; 100390075Sobrien 100490075Sobrien desc->flags = htole32(flags); 100590075Sobrien desc->flags |= htole32(RAL_TX_NEWSEQ); 100690075Sobrien desc->flags |= htole32(len << 16); 100790075Sobrien 100890075Sobrien desc->wme = htole16(RAL_AIFSN(2) | RAL_LOGCWMIN(3) | RAL_LOGCWMAX(5)); 100990075Sobrien desc->wme |= htole16(RAL_IVOFFSET(sizeof (struct ieee80211_frame))); 101090075Sobrien 101190075Sobrien /* setup PLCP fields */ 101290075Sobrien desc->plcp_signal = ural_plcp_signal(rate); 101318334Speter desc->plcp_service = 4; 101418334Speter 101590075Sobrien len += IEEE80211_CRC_LEN; 101690075Sobrien if (ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) { 101718334Speter desc->flags |= htole32(RAL_TX_OFDM); 101890075Sobrien 101918334Speter plcp_length = len & 0xfff; 102018334Speter desc->plcp_length_hi = plcp_length >> 6; 102190075Sobrien desc->plcp_length_lo = plcp_length & 0x3f; 102290075Sobrien } else { 102390075Sobrien plcp_length = (16 * len + rate - 1) / rate; 102490075Sobrien if (rate == 22) { 102590075Sobrien remainder = (16 * len) % 22; 102690075Sobrien if (remainder != 0 && remainder < 7) 102790075Sobrien desc->plcp_service |= RAL_PLCP_LENGEXT; 102890075Sobrien } 102990075Sobrien desc->plcp_length_hi = plcp_length >> 8; 103050397Sobrien desc->plcp_length_lo = plcp_length & 0xff; 103150397Sobrien 103290075Sobrien if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 103390075Sobrien desc->plcp_signal |= 0x08; 103490075Sobrien } 103590075Sobrien 103690075Sobrien desc->iv = 0; 103750397Sobrien desc->eiv = 0; 103890075Sobrien} 103918334Speter 104090075Sobrien#define RAL_TX_TIMEOUT 5000 104190075Sobrien 104290075Sobrienstatic int 104390075Sobrienural_tx_bcn(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 104490075Sobrien{ 104518334Speter struct ieee80211vap *vap = ni->ni_vap; 104690075Sobrien struct ieee80211com *ic = ni->ni_ic; 104790075Sobrien struct ifnet *ifp = sc->sc_ifp; 104890075Sobrien const struct ieee80211_txparam *tp; 104918334Speter struct ural_tx_data *data; 105018334Speter 105190075Sobrien if (sc->tx_nfree == 0) { 105290075Sobrien ifp->if_drv_flags |= IFF_DRV_OACTIVE; 105390075Sobrien m_freem(m0); 105490075Sobrien ieee80211_free_node(ni); 105590075Sobrien return EIO; 105690075Sobrien } 105790075Sobrien data = STAILQ_FIRST(&sc->tx_free); 105890075Sobrien STAILQ_REMOVE_HEAD(&sc->tx_free, next); 105990075Sobrien sc->tx_nfree--; 106090075Sobrien tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)]; 106190075Sobrien 106290075Sobrien data->m = m0; 106390075Sobrien data->ni = ni; 106490075Sobrien data->rate = tp->mgmtrate; 106590075Sobrien 106690075Sobrien ural_setup_tx_desc(sc, &data->desc, 106790075Sobrien RAL_TX_IFS_NEWBACKOFF | RAL_TX_TIMESTAMP, m0->m_pkthdr.len, 106890075Sobrien tp->mgmtrate); 106990075Sobrien 107090075Sobrien DPRINTFN(10, "sending beacon frame len=%u rate=%u\n", 107190075Sobrien m0->m_pkthdr.len, tp->mgmtrate); 107290075Sobrien 107390075Sobrien STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 107490075Sobrien usbd_transfer_start(sc->sc_xfer[URAL_BULK_WR]); 107590075Sobrien 107690075Sobrien return (0); 107790075Sobrien} 107890075Sobrien 107990075Sobrienstatic int 108090075Sobrienural_tx_mgt(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 108190075Sobrien{ 108290075Sobrien struct ieee80211vap *vap = ni->ni_vap; 108390075Sobrien struct ieee80211com *ic = ni->ni_ic; 108490075Sobrien const struct ieee80211_txparam *tp; 108590075Sobrien struct ural_tx_data *data; 108690075Sobrien struct ieee80211_frame *wh; 108790075Sobrien struct ieee80211_key *k; 108890075Sobrien uint32_t flags; 108990075Sobrien uint16_t dur; 109090075Sobrien 109190075Sobrien RAL_LOCK_ASSERT(sc, MA_OWNED); 109290075Sobrien 109390075Sobrien data = STAILQ_FIRST(&sc->tx_free); 109490075Sobrien STAILQ_REMOVE_HEAD(&sc->tx_free, next); 109590075Sobrien sc->tx_nfree--; 109690075Sobrien 109790075Sobrien tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 109890075Sobrien 109990075Sobrien wh = mtod(m0, struct ieee80211_frame *); 110090075Sobrien if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 110190075Sobrien k = ieee80211_crypto_encap(ni, m0); 110218334Speter if (k == NULL) { 110318334Speter m_freem(m0); 110490075Sobrien return ENOBUFS; 110590075Sobrien } 110690075Sobrien wh = mtod(m0, struct ieee80211_frame *); 110790075Sobrien } 110890075Sobrien 110918334Speter data->m = m0; 111090075Sobrien data->ni = ni; 111190075Sobrien data->rate = tp->mgmtrate; 111218334Speter 111390075Sobrien flags = 0; 111490075Sobrien if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 111590075Sobrien flags |= RAL_TX_ACK; 111690075Sobrien 111790075Sobrien dur = ieee80211_ack_duration(ic->ic_rt, tp->mgmtrate, 111818334Speter ic->ic_flags & IEEE80211_F_SHPREAMBLE); 111990075Sobrien *(uint16_t *)wh->i_dur = htole16(dur); 112090075Sobrien 112150397Sobrien /* tell hardware to add timestamp for probe responses */ 112290075Sobrien if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == 112390075Sobrien IEEE80211_FC0_TYPE_MGT && 112490075Sobrien (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == 112590075Sobrien IEEE80211_FC0_SUBTYPE_PROBE_RESP) 112690075Sobrien flags |= RAL_TX_TIMESTAMP; 112790075Sobrien } 112818334Speter 112990075Sobrien ural_setup_tx_desc(sc, &data->desc, flags, m0->m_pkthdr.len, tp->mgmtrate); 113018334Speter 113118334Speter DPRINTFN(10, "sending mgt frame len=%u rate=%u\n", 113290075Sobrien m0->m_pkthdr.len, tp->mgmtrate); 113390075Sobrien 113490075Sobrien STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 113590075Sobrien usbd_transfer_start(sc->sc_xfer[URAL_BULK_WR]); 113690075Sobrien 113790075Sobrien return 0; 113890075Sobrien} 113918334Speter 114090075Sobrienstatic int 114190075Sobrienural_sendprot(struct ural_softc *sc, 114290075Sobrien const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate) 114390075Sobrien{ 114490075Sobrien struct ieee80211com *ic = ni->ni_ic; 114590075Sobrien const struct ieee80211_frame *wh; 114690075Sobrien struct ural_tx_data *data; 114790075Sobrien struct mbuf *mprot; 114890075Sobrien int protrate, ackrate, pktlen, flags, isshort; 114990075Sobrien uint16_t dur; 115018334Speter 115190075Sobrien KASSERT(prot == IEEE80211_PROT_RTSCTS || prot == IEEE80211_PROT_CTSONLY, 115290075Sobrien ("protection %d", prot)); 115390075Sobrien 115490075Sobrien wh = mtod(m, const struct ieee80211_frame *); 115590075Sobrien pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN; 115618334Speter 115790075Sobrien protrate = ieee80211_ctl_rate(ic->ic_rt, rate); 115890075Sobrien ackrate = ieee80211_ack_rate(ic->ic_rt, rate); 115990075Sobrien 116018334Speter isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0; 116190075Sobrien dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort) 116290075Sobrien + ieee80211_ack_duration(ic->ic_rt, rate, isshort); 116390075Sobrien flags = RAL_TX_RETRY(7); 116490075Sobrien if (prot == IEEE80211_PROT_RTSCTS) { 116590075Sobrien /* NB: CTS is the same size as an ACK */ 116690075Sobrien dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort); 116790075Sobrien flags |= RAL_TX_ACK; 116818334Speter mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur); 116990075Sobrien } else { 117090075Sobrien mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur); 117190075Sobrien } 117290075Sobrien if (mprot == NULL) { 117390075Sobrien /* XXX stat + msg */ 117418334Speter return ENOBUFS; 117590075Sobrien } 117690075Sobrien data = STAILQ_FIRST(&sc->tx_free); 117790075Sobrien STAILQ_REMOVE_HEAD(&sc->tx_free, next); 117890075Sobrien sc->tx_nfree--; 117918334Speter 118090075Sobrien data->m = mprot; 118118334Speter data->ni = ieee80211_ref_node(ni); 118290075Sobrien data->rate = protrate; 118390075Sobrien ural_setup_tx_desc(sc, &data->desc, flags, mprot->m_pkthdr.len, protrate); 118490075Sobrien 118590075Sobrien STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 118690075Sobrien usbd_transfer_start(sc->sc_xfer[URAL_BULK_WR]); 118790075Sobrien 118890075Sobrien return 0; 118990075Sobrien} 119090075Sobrien 119190075Sobrienstatic int 119290075Sobrienural_tx_raw(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni, 119390075Sobrien const struct ieee80211_bpf_params *params) 119490075Sobrien{ 119590075Sobrien struct ieee80211com *ic = ni->ni_ic; 119690075Sobrien struct ural_tx_data *data; 119790075Sobrien uint32_t flags; 119890075Sobrien int error; 119990075Sobrien int rate; 120090075Sobrien 120190075Sobrien RAL_LOCK_ASSERT(sc, MA_OWNED); 120290075Sobrien KASSERT(params != NULL, ("no raw xmit params")); 120390075Sobrien 120490075Sobrien rate = params->ibp_rate0; 120590075Sobrien if (!ieee80211_isratevalid(ic->ic_rt, rate)) { 120690075Sobrien m_freem(m0); 120790075Sobrien return EINVAL; 120890075Sobrien } 120990075Sobrien flags = 0; 121090075Sobrien if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 121190075Sobrien flags |= RAL_TX_ACK; 121290075Sobrien if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) { 121390075Sobrien error = ural_sendprot(sc, m0, ni, 121490075Sobrien params->ibp_flags & IEEE80211_BPF_RTS ? 121590075Sobrien IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY, 121690075Sobrien rate); 121790075Sobrien if (error || sc->tx_nfree == 0) { 121890075Sobrien m_freem(m0); 121918334Speter return ENOBUFS; 122090075Sobrien } 122190075Sobrien flags |= RAL_TX_IFS_SIFS; 122218334Speter } 122318334Speter 122490075Sobrien data = STAILQ_FIRST(&sc->tx_free); 122590075Sobrien STAILQ_REMOVE_HEAD(&sc->tx_free, next); 122690075Sobrien sc->tx_nfree--; 122790075Sobrien 122890075Sobrien data->m = m0; 122990075Sobrien data->ni = ni; 123090075Sobrien data->rate = rate; 123190075Sobrien 123290075Sobrien /* XXX need to setup descriptor ourself */ 123390075Sobrien ural_setup_tx_desc(sc, &data->desc, flags, m0->m_pkthdr.len, rate); 123490075Sobrien 123590075Sobrien DPRINTFN(10, "sending raw frame len=%u rate=%u\n", 123690075Sobrien m0->m_pkthdr.len, rate); 123718334Speter 123890075Sobrien STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 123990075Sobrien usbd_transfer_start(sc->sc_xfer[URAL_BULK_WR]); 124090075Sobrien 124190075Sobrien return 0; 124290075Sobrien} 124318334Speter 124490075Sobrienstatic int 124590075Sobrienural_tx_data(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 124690075Sobrien{ 124718334Speter struct ieee80211vap *vap = ni->ni_vap; 124890075Sobrien struct ieee80211com *ic = ni->ni_ic; 124990075Sobrien struct ural_tx_data *data; 125090075Sobrien struct ieee80211_frame *wh; 125190075Sobrien const struct ieee80211_txparam *tp; 125290075Sobrien struct ieee80211_key *k; 125390075Sobrien uint32_t flags = 0; 125490075Sobrien uint16_t dur; 125590075Sobrien int error, rate; 125690075Sobrien 125790075Sobrien RAL_LOCK_ASSERT(sc, MA_OWNED); 125890075Sobrien 125990075Sobrien wh = mtod(m0, struct ieee80211_frame *); 126090075Sobrien 126190075Sobrien tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; 126290075Sobrien if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 126390075Sobrien rate = tp->mcastrate; 126490075Sobrien else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 126590075Sobrien rate = tp->ucastrate; 126690075Sobrien else 126790075Sobrien rate = ni->ni_txrate; 126890075Sobrien 126990075Sobrien if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 127090075Sobrien k = ieee80211_crypto_encap(ni, m0); 127190075Sobrien if (k == NULL) { 127290075Sobrien m_freem(m0); 127390075Sobrien return ENOBUFS; 127490075Sobrien } 127590075Sobrien /* packet header may have moved, reset our local pointer */ 127690075Sobrien wh = mtod(m0, struct ieee80211_frame *); 127790075Sobrien } 127890075Sobrien 127990075Sobrien if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 128090075Sobrien int prot = IEEE80211_PROT_NONE; 128118334Speter if (m0->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) 128290075Sobrien prot = IEEE80211_PROT_RTSCTS; 128390075Sobrien else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 128490075Sobrien ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) 128590075Sobrien prot = ic->ic_protmode; 128690075Sobrien if (prot != IEEE80211_PROT_NONE) { 128790075Sobrien error = ural_sendprot(sc, m0, ni, prot, rate); 128890075Sobrien if (error || sc->tx_nfree == 0) { 128990075Sobrien m_freem(m0); 129090075Sobrien return ENOBUFS; 129190075Sobrien } 129290075Sobrien flags |= RAL_TX_IFS_SIFS; 129390075Sobrien } 129490075Sobrien } 129590075Sobrien 129690075Sobrien data = STAILQ_FIRST(&sc->tx_free); 129790075Sobrien STAILQ_REMOVE_HEAD(&sc->tx_free, next); 129890075Sobrien sc->tx_nfree--; 129990075Sobrien 130090075Sobrien data->m = m0; 130190075Sobrien data->ni = ni; 130290075Sobrien data->rate = rate; 130390075Sobrien 130490075Sobrien if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 130590075Sobrien flags |= RAL_TX_ACK; 130690075Sobrien flags |= RAL_TX_RETRY(7); 130790075Sobrien 130890075Sobrien dur = ieee80211_ack_duration(ic->ic_rt, rate, 130990075Sobrien ic->ic_flags & IEEE80211_F_SHPREAMBLE); 131090075Sobrien *(uint16_t *)wh->i_dur = htole16(dur); 131118334Speter } 131218334Speter 131318334Speter ural_setup_tx_desc(sc, &data->desc, flags, m0->m_pkthdr.len, rate); 131418334Speter 131518334Speter DPRINTFN(10, "sending data frame len=%u rate=%u\n", 131618334Speter m0->m_pkthdr.len, rate); 131718334Speter 131818334Speter STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 131918334Speter usbd_transfer_start(sc->sc_xfer[URAL_BULK_WR]); 132018334Speter 132118334Speter return 0; 132218334Speter} 132318334Speter 132418334Speterstatic void 132518334Speterural_start(struct ifnet *ifp) 132618334Speter{ 132718334Speter struct ural_softc *sc = ifp->if_softc; 132818334Speter struct ieee80211_node *ni; 132918334Speter struct mbuf *m; 133018334Speter 133118334Speter RAL_LOCK(sc); 133218334Speter if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 133318334Speter RAL_UNLOCK(sc); 133418334Speter return; 133518334Speter } 133618334Speter for (;;) { 133718334Speter IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 133818334Speter if (m == NULL) 133918334Speter break; 134090075Sobrien if (sc->tx_nfree < RAL_TX_MINFREE) { 134150397Sobrien IFQ_DRV_PREPEND(&ifp->if_snd, m); 134290075Sobrien ifp->if_drv_flags |= IFF_DRV_OACTIVE; 134350397Sobrien break; 134490075Sobrien } 134590075Sobrien ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; 134618334Speter if (ural_tx_data(sc, m, ni) != 0) { 134718334Speter ieee80211_free_node(ni); 134850397Sobrien ifp->if_oerrors++; 134918334Speter break; 135018334Speter } 135118334Speter } 135218334Speter RAL_UNLOCK(sc); 135318334Speter} 135418334Speter 135590075Sobrienstatic int 135650397Sobrienural_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 135718334Speter{ 135818334Speter struct ural_softc *sc = ifp->if_softc; 135918334Speter struct ieee80211com *ic = ifp->if_l2com; 136018334Speter struct ifreq *ifr = (struct ifreq *) data; 136190075Sobrien int error = 0, startall = 0; 136250397Sobrien 136318334Speter switch (cmd) { 136418334Speter case SIOCSIFFLAGS: 136518334Speter RAL_LOCK(sc); 136618334Speter if (ifp->if_flags & IFF_UP) { 136718334Speter if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 136818334Speter ural_init_locked(sc); 136918334Speter startall = 1; 137018334Speter } else 137118334Speter ural_setpromisc(sc); 137290075Sobrien } else { 137350397Sobrien if (ifp->if_drv_flags & IFF_DRV_RUNNING) 137418334Speter ural_stop(sc); 137518334Speter } 137690075Sobrien RAL_UNLOCK(sc); 137790075Sobrien if (startall) 137890075Sobrien ieee80211_start_all(ic); 137990075Sobrien break; 138090075Sobrien case SIOCGIFMEDIA: 138190075Sobrien case SIOCSIFMEDIA: 138290075Sobrien error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 138390075Sobrien break; 138490075Sobrien default: 138590075Sobrien error = ether_ioctl(ifp, cmd, data); 138690075Sobrien break; 138718334Speter } 138890075Sobrien return error; 138918334Speter} 139090075Sobrien 139118334Speterstatic void 139218334Speterural_set_testmode(struct ural_softc *sc) 139318334Speter{ 139418334Speter struct usb_device_request req; 139590075Sobrien usb_error_t error; 139650397Sobrien 139790075Sobrien req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 139890075Sobrien req.bRequest = RAL_VENDOR_REQUEST; 139990075Sobrien USETW(req.wValue, 4); 140018334Speter USETW(req.wIndex, 1); 140118334Speter USETW(req.wLength, 0); 140218334Speter 140318334Speter error = ural_do_request(sc, &req, NULL); 140418334Speter if (error != 0) { 140590075Sobrien device_printf(sc->sc_dev, "could not set test mode: %s\n", 140650397Sobrien usbd_errstr(error)); 140718334Speter } 140818334Speter} 140918334Speter 141018334Speterstatic void 141190075Sobrienural_eeprom_read(struct ural_softc *sc, uint16_t addr, void *buf, int len) 141290075Sobrien{ 141390075Sobrien struct usb_device_request req; 141490075Sobrien usb_error_t error; 141590075Sobrien 141690075Sobrien req.bmRequestType = UT_READ_VENDOR_DEVICE; 141790075Sobrien req.bRequest = RAL_READ_EEPROM; 141890075Sobrien USETW(req.wValue, 0); 141990075Sobrien USETW(req.wIndex, addr); 142090075Sobrien USETW(req.wLength, len); 142190075Sobrien 142218334Speter error = ural_do_request(sc, &req, buf); 142318334Speter if (error != 0) { 142418334Speter device_printf(sc->sc_dev, "could not read EEPROM: %s\n", 142518334Speter usbd_errstr(error)); 142690075Sobrien } 142790075Sobrien} 142818334Speter 142918334Speterstatic uint16_t 143018334Speterural_read(struct ural_softc *sc, uint16_t reg) 143118334Speter{ 143218334Speter struct usb_device_request req; 143318334Speter usb_error_t error; 143418334Speter uint16_t val; 143518334Speter 143618334Speter req.bmRequestType = UT_READ_VENDOR_DEVICE; 143718334Speter req.bRequest = RAL_READ_MAC; 143852284Sobrien USETW(req.wValue, 0); 143918334Speter USETW(req.wIndex, reg); 144050397Sobrien USETW(req.wLength, sizeof (uint16_t)); 144150397Sobrien 144218334Speter error = ural_do_request(sc, &req, &val); 144390075Sobrien if (error != 0) { 144490075Sobrien device_printf(sc->sc_dev, "could not read MAC register: %s\n", 144590075Sobrien usbd_errstr(error)); 144690075Sobrien return 0; 144718334Speter } 144852284Sobrien 144952284Sobrien return le16toh(val); 145090075Sobrien} 145190075Sobrien 145290075Sobrienstatic void 145390075Sobrienural_read_multi(struct ural_softc *sc, uint16_t reg, void *buf, int len) 145452284Sobrien{ 145590075Sobrien struct usb_device_request req; 145690075Sobrien usb_error_t error; 145790075Sobrien 145890075Sobrien req.bmRequestType = UT_READ_VENDOR_DEVICE; 145990075Sobrien req.bRequest = RAL_READ_MULTI_MAC; 146052284Sobrien USETW(req.wValue, 0); 146152284Sobrien USETW(req.wIndex, reg); 146252284Sobrien USETW(req.wLength, len); 146352284Sobrien 146450397Sobrien error = ural_do_request(sc, &req, buf); 146590075Sobrien if (error != 0) { 146690075Sobrien device_printf(sc->sc_dev, "could not read MAC register: %s\n", 146752284Sobrien usbd_errstr(error)); 146850397Sobrien } 146950397Sobrien} 147050397Sobrien 147150397Sobrienstatic void 147252284Sobrienural_write(struct ural_softc *sc, uint16_t reg, uint16_t val) 147352284Sobrien{ 147452284Sobrien struct usb_device_request req; 147552284Sobrien usb_error_t error; 147690075Sobrien 147790075Sobrien req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 147890075Sobrien req.bRequest = RAL_WRITE_MAC; 147918334Speter USETW(req.wValue, val); 148018334Speter USETW(req.wIndex, reg); 148118334Speter USETW(req.wLength, 0); 148218334Speter 148318334Speter error = ural_do_request(sc, &req, NULL); 148418334Speter if (error != 0) { 148518334Speter device_printf(sc->sc_dev, "could not write MAC register: %s\n", 148618334Speter usbd_errstr(error)); 148718334Speter } 148818334Speter} 148918334Speter 149090075Sobrienstatic void 149118334Speterural_write_multi(struct ural_softc *sc, uint16_t reg, void *buf, int len) 149218334Speter{ 149318334Speter struct usb_device_request req; 149450397Sobrien usb_error_t error; 149590075Sobrien 149690075Sobrien req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 149790075Sobrien req.bRequest = RAL_WRITE_MULTI_MAC; 149850397Sobrien USETW(req.wValue, 0); 149950397Sobrien USETW(req.wIndex, reg); 150050397Sobrien USETW(req.wLength, len); 150150397Sobrien 150290075Sobrien error = ural_do_request(sc, &req, buf); 150350397Sobrien if (error != 0) { 150450397Sobrien device_printf(sc->sc_dev, "could not write MAC register: %s\n", 150518334Speter usbd_errstr(error)); 150618334Speter } 150718334Speter} 150818334Speter 150990075Sobrienstatic void 151090075Sobrienural_bbp_write(struct ural_softc *sc, uint8_t reg, uint8_t val) 151190075Sobrien{ 151218334Speter uint16_t tmp; 151318334Speter int ntries; 151418334Speter 151518334Speter for (ntries = 0; ntries < 100; ntries++) { 151618334Speter if (!(ural_read(sc, RAL_PHY_CSR8) & RAL_BBP_BUSY)) 151718334Speter break; 151890075Sobrien if (ural_pause(sc, hz / 100)) 151918334Speter break; 152090075Sobrien } 152190075Sobrien if (ntries == 100) { 152290075Sobrien device_printf(sc->sc_dev, "could not write to BBP\n"); 152318334Speter return; 152418334Speter } 152518334Speter 152618334Speter tmp = reg << 8 | val; 152718334Speter ural_write(sc, RAL_PHY_CSR7, tmp); 152818334Speter} 152918334Speter 153018334Speterstatic uint8_t 153118334Speterural_bbp_read(struct ural_softc *sc, uint8_t reg) 153218334Speter{ 153390075Sobrien uint16_t val; 153490075Sobrien int ntries; 153590075Sobrien 153690075Sobrien val = RAL_BBP_WRITE | reg << 8; 153790075Sobrien ural_write(sc, RAL_PHY_CSR7, val); 153850397Sobrien 153990075Sobrien for (ntries = 0; ntries < 100; ntries++) { 154090075Sobrien if (!(ural_read(sc, RAL_PHY_CSR8) & RAL_BBP_BUSY)) 154118334Speter break; 154290075Sobrien if (ural_pause(sc, hz / 100)) 154390075Sobrien break; 154490075Sobrien } 154590075Sobrien if (ntries == 100) { 154690075Sobrien device_printf(sc->sc_dev, "could not read BBP\n"); 154718334Speter return 0; 154890075Sobrien } 154990075Sobrien 155090075Sobrien return ural_read(sc, RAL_PHY_CSR7) & 0xff; 155118334Speter} 155290075Sobrien 155390075Sobrienstatic void 155418334Speterural_rf_write(struct ural_softc *sc, uint8_t reg, uint32_t val) 155590075Sobrien{ 155690075Sobrien uint32_t tmp; 155718334Speter int ntries; 155890075Sobrien 155990075Sobrien for (ntries = 0; ntries < 100; ntries++) { 156090075Sobrien if (!(ural_read(sc, RAL_PHY_CSR10) & RAL_RF_LOBUSY)) 156118334Speter break; 156218334Speter if (ural_pause(sc, hz / 100)) 156390075Sobrien break; 156418334Speter } 156518334Speter if (ntries == 100) { 156690075Sobrien device_printf(sc->sc_dev, "could not write to RF\n"); 156718334Speter return; 156818334Speter } 156918334Speter 157018334Speter tmp = RAL_RF_BUSY | RAL_RF_20BIT | (val & 0xfffff) << 2 | (reg & 0x3); 157118334Speter ural_write(sc, RAL_PHY_CSR9, tmp & 0xffff); 157290075Sobrien ural_write(sc, RAL_PHY_CSR10, tmp >> 16); 157390075Sobrien 157450397Sobrien /* remember last written value in sc */ 157550397Sobrien sc->rf_regs[reg] = val; 157650397Sobrien 157718334Speter DPRINTFN(15, "RF R[%u] <- 0x%05x\n", reg & 0x3, val & 0xfffff); 157818334Speter} 157990075Sobrien 158090075Sobrienstatic void 158118334Speterural_scan_start(struct ieee80211com *ic) 158218334Speter{ 158318334Speter struct ifnet *ifp = ic->ic_ifp; 158490075Sobrien struct ural_softc *sc = ifp->if_softc; 158590075Sobrien 158650397Sobrien RAL_LOCK(sc); 158718334Speter ural_write(sc, RAL_TXRX_CSR19, 0); 158890075Sobrien ural_set_bssid(sc, ifp->if_broadcastaddr); 158918334Speter RAL_UNLOCK(sc); 159018334Speter} 159118334Speter 159218334Speterstatic void 159318334Speterural_scan_end(struct ieee80211com *ic) 159418334Speter{ 159518334Speter struct ural_softc *sc = ic->ic_ifp->if_softc; 159618334Speter 159790075Sobrien RAL_LOCK(sc); 159818334Speter ural_enable_tsf_sync(sc); 159918334Speter ural_set_bssid(sc, sc->sc_bssid); 160018334Speter RAL_UNLOCK(sc); 160118334Speter 160218334Speter} 160350397Sobrien 160450397Sobrienstatic void 160590075Sobrienural_set_channel(struct ieee80211com *ic) 160690075Sobrien{ 160790075Sobrien struct ural_softc *sc = ic->ic_ifp->if_softc; 160890075Sobrien 160990075Sobrien RAL_LOCK(sc); 161090075Sobrien ural_set_chan(sc, ic->ic_curchan); 161190075Sobrien RAL_UNLOCK(sc); 161250397Sobrien} 161390075Sobrien 161490075Sobrienstatic void 161590075Sobrienural_set_chan(struct ural_softc *sc, struct ieee80211_channel *c) 161690075Sobrien{ 161718334Speter struct ifnet *ifp = sc->sc_ifp; 161890075Sobrien struct ieee80211com *ic = ifp->if_l2com; 161990075Sobrien uint8_t power, tmp; 162090075Sobrien int i, chan; 162190075Sobrien 162290075Sobrien chan = ieee80211_chan2ieee(ic, c); 162390075Sobrien if (chan == 0 || chan == IEEE80211_CHAN_ANY) 162490075Sobrien return; 162518334Speter 162618334Speter if (IEEE80211_IS_CHAN_2GHZ(c)) 162718334Speter power = min(sc->txpow[chan - 1], 31); 162818334Speter else 162918334Speter power = 31; 163018334Speter 163118334Speter /* adjust txpower using ifconfig settings */ 163218334Speter power -= (100 - ic->ic_txpowlimit) / 8; 163390075Sobrien 163418334Speter DPRINTFN(2, "setting channel to %u, txpower to %u\n", chan, power); 163518334Speter 163618334Speter switch (sc->rf_rev) { 163790075Sobrien case RAL_RF_2522: 163818334Speter ural_rf_write(sc, RAL_RF1, 0x00814); 163918334Speter ural_rf_write(sc, RAL_RF2, ural_rf2522_r2[chan - 1]); 164018334Speter ural_rf_write(sc, RAL_RF3, power << 7 | 0x00040); 164118334Speter break; 164218334Speter 164318334Speter case RAL_RF_2523: 164418334Speter ural_rf_write(sc, RAL_RF1, 0x08804); 164518334Speter ural_rf_write(sc, RAL_RF2, ural_rf2523_r2[chan - 1]); 164618334Speter ural_rf_write(sc, RAL_RF3, power << 7 | 0x38044); 164790075Sobrien ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286); 164818334Speter break; 164918334Speter 165018334Speter case RAL_RF_2524: 165118334Speter ural_rf_write(sc, RAL_RF1, 0x0c808); 165218334Speter ural_rf_write(sc, RAL_RF2, ural_rf2524_r2[chan - 1]); 165318334Speter ural_rf_write(sc, RAL_RF3, power << 7 | 0x00040); 165490075Sobrien ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286); 165590075Sobrien break; 165690075Sobrien 165718334Speter case RAL_RF_2525: 165890075Sobrien ural_rf_write(sc, RAL_RF1, 0x08808); 165990075Sobrien ural_rf_write(sc, RAL_RF2, ural_rf2525_hi_r2[chan - 1]); 166090075Sobrien ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044); 166190075Sobrien ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286); 166290075Sobrien 166390075Sobrien ural_rf_write(sc, RAL_RF1, 0x08808); 166490075Sobrien ural_rf_write(sc, RAL_RF2, ural_rf2525_r2[chan - 1]); 166590075Sobrien ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044); 166690075Sobrien ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286); 166790075Sobrien break; 166890075Sobrien 166990075Sobrien case RAL_RF_2525E: 167090075Sobrien ural_rf_write(sc, RAL_RF1, 0x08808); 167190075Sobrien ural_rf_write(sc, RAL_RF2, ural_rf2525e_r2[chan - 1]); 167290075Sobrien ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044); 167390075Sobrien ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00286 : 0x00282); 167490075Sobrien break; 167590075Sobrien 167690075Sobrien case RAL_RF_2526: 167790075Sobrien ural_rf_write(sc, RAL_RF2, ural_rf2526_hi_r2[chan - 1]); 167890075Sobrien ural_rf_write(sc, RAL_RF4, (chan & 1) ? 0x00386 : 0x00381); 167990075Sobrien ural_rf_write(sc, RAL_RF1, 0x08804); 168090075Sobrien 168190075Sobrien ural_rf_write(sc, RAL_RF2, ural_rf2526_r2[chan - 1]); 168290075Sobrien ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044); 168390075Sobrien ural_rf_write(sc, RAL_RF4, (chan & 1) ? 0x00386 : 0x00381); 168490075Sobrien break; 168590075Sobrien 168690075Sobrien /* dual-band RF */ 168790075Sobrien case RAL_RF_5222: 168850397Sobrien for (i = 0; ural_rf5222[i].chan != chan; i++); 168950397Sobrien 169050397Sobrien ural_rf_write(sc, RAL_RF1, ural_rf5222[i].r1); 169150397Sobrien ural_rf_write(sc, RAL_RF2, ural_rf5222[i].r2); 169250397Sobrien ural_rf_write(sc, RAL_RF3, power << 7 | 0x00040); 169350397Sobrien ural_rf_write(sc, RAL_RF4, ural_rf5222[i].r4); 169450397Sobrien break; 169590075Sobrien } 169650397Sobrien 169790075Sobrien if (ic->ic_opmode != IEEE80211_M_MONITOR && 169890075Sobrien (ic->ic_flags & IEEE80211_F_SCAN) == 0) { 169990075Sobrien /* set Japan filter bit for channel 14 */ 170090075Sobrien tmp = ural_bbp_read(sc, 70); 170190075Sobrien 170290075Sobrien tmp &= ~RAL_JAPAN_FILTER; 170390075Sobrien if (chan == 14) 170450397Sobrien tmp |= RAL_JAPAN_FILTER; 170590075Sobrien 170690075Sobrien ural_bbp_write(sc, 70, tmp); 170750397Sobrien 170890075Sobrien /* clear CRC errors */ 170990075Sobrien ural_read(sc, RAL_STA_CSR0); 171090075Sobrien 171190075Sobrien ural_pause(sc, hz / 100); 171290075Sobrien ural_disable_rf_tune(sc); 171390075Sobrien } 171450397Sobrien 171590075Sobrien /* XXX doesn't belong here */ 171690075Sobrien /* update basic rate set */ 171750397Sobrien ural_set_basicrates(sc, c); 171850397Sobrien 171950397Sobrien /* give the hardware some time to do the switchover */ 172050397Sobrien ural_pause(sc, hz / 100); 172190075Sobrien} 172250397Sobrien 172350397Sobrien/* 172450397Sobrien * Disable RF auto-tuning. 172550397Sobrien */ 172650397Sobrienstatic void 172750397Sobrienural_disable_rf_tune(struct ural_softc *sc) 172890075Sobrien{ 172990075Sobrien uint32_t tmp; 173050397Sobrien 173150397Sobrien if (sc->rf_rev != RAL_RF_2523) { 173250397Sobrien tmp = sc->rf_regs[RAL_RF1] & ~RAL_RF1_AUTOTUNE; 173350397Sobrien ural_rf_write(sc, RAL_RF1, tmp); 173450397Sobrien } 173590075Sobrien 173690075Sobrien tmp = sc->rf_regs[RAL_RF3] & ~RAL_RF3_AUTOTUNE; 173750397Sobrien ural_rf_write(sc, RAL_RF3, tmp); 173890075Sobrien 173990075Sobrien DPRINTFN(2, "disabling RF autotune\n"); 174090075Sobrien} 174190075Sobrien 174290075Sobrien/* 174390075Sobrien * Refer to IEEE Std 802.11-1999 pp. 123 for more information on TSF 174490075Sobrien * synchronization. 174590075Sobrien */ 174690075Sobrienstatic void 174790075Sobrienural_enable_tsf_sync(struct ural_softc *sc) 174890075Sobrien{ 174990075Sobrien struct ifnet *ifp = sc->sc_ifp; 175090075Sobrien struct ieee80211com *ic = ifp->if_l2com; 175190075Sobrien struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 175290075Sobrien uint16_t logcwmin, preload, tmp; 175390075Sobrien 175490075Sobrien /* first, disable TSF synchronization */ 175590075Sobrien ural_write(sc, RAL_TXRX_CSR19, 0); 175690075Sobrien 175790075Sobrien tmp = (16 * vap->iv_bss->ni_intval) << 4; 175890075Sobrien ural_write(sc, RAL_TXRX_CSR18, tmp); 175990075Sobrien 176090075Sobrien logcwmin = (ic->ic_opmode == IEEE80211_M_IBSS) ? 2 : 0; 176190075Sobrien preload = (ic->ic_opmode == IEEE80211_M_IBSS) ? 320 : 6; 176290075Sobrien tmp = logcwmin << 12 | preload; 176390075Sobrien ural_write(sc, RAL_TXRX_CSR20, tmp); 176490075Sobrien 176590075Sobrien /* finally, enable TSF synchronization */ 176690075Sobrien tmp = RAL_ENABLE_TSF | RAL_ENABLE_TBCN; 176750397Sobrien if (ic->ic_opmode == IEEE80211_M_STA) 176890075Sobrien tmp |= RAL_ENABLE_TSF_SYNC(1); 176918334Speter else 177018334Speter tmp |= RAL_ENABLE_TSF_SYNC(2) | RAL_ENABLE_BEACON_GENERATOR; 177118334Speter ural_write(sc, RAL_TXRX_CSR19, tmp); 177218334Speter 177318334Speter DPRINTF("enabling TSF synchronization\n"); 177418334Speter} 177518334Speter 177618334Speterstatic void 177718334Speterural_enable_tsf(struct ural_softc *sc) 177890075Sobrien{ 177918334Speter /* first, disable TSF synchronization */ 178090075Sobrien ural_write(sc, RAL_TXRX_CSR19, 0); 178190075Sobrien ural_write(sc, RAL_TXRX_CSR19, RAL_ENABLE_TSF | RAL_ENABLE_TSF_SYNC(2)); 178290075Sobrien} 178390075Sobrien 178490075Sobrien#define RAL_RXTX_TURNAROUND 5 /* us */ 178590075Sobrienstatic void 178618334Speterural_update_slot(struct ifnet *ifp) 178718334Speter{ 178818334Speter struct ural_softc *sc = ifp->if_softc; 178918334Speter struct ieee80211com *ic = ifp->if_l2com; 179018334Speter uint16_t slottime, sifs, eifs; 179118334Speter 179218334Speter slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20; 179318334Speter 179418334Speter /* 179518334Speter * These settings may sound a bit inconsistent but this is what the 179618334Speter * reference driver does. 179718334Speter */ 179818334Speter if (ic->ic_curmode == IEEE80211_MODE_11B) { 179918334Speter sifs = 16 - RAL_RXTX_TURNAROUND; 180018334Speter eifs = 364; 180118334Speter } else { 180218334Speter sifs = 10 - RAL_RXTX_TURNAROUND; 180318334Speter eifs = 64; 180418334Speter } 180518334Speter 180618334Speter ural_write(sc, RAL_MAC_CSR10, slottime); 180718334Speter ural_write(sc, RAL_MAC_CSR11, sifs); 180818334Speter ural_write(sc, RAL_MAC_CSR12, eifs); 180918334Speter} 181018334Speter 181118334Speterstatic void 181218334Speterural_set_txpreamble(struct ural_softc *sc) 181318334Speter{ 181418334Speter struct ifnet *ifp = sc->sc_ifp; 181518334Speter struct ieee80211com *ic = ifp->if_l2com; 181690075Sobrien uint16_t tmp; 181718334Speter 181890075Sobrien tmp = ural_read(sc, RAL_TXRX_CSR10); 181990075Sobrien 182090075Sobrien tmp &= ~RAL_SHORT_PREAMBLE; 182190075Sobrien if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 182290075Sobrien tmp |= RAL_SHORT_PREAMBLE; 182390075Sobrien 182418334Speter ural_write(sc, RAL_TXRX_CSR10, tmp); 182518334Speter} 182618334Speter 182718334Speterstatic void 182818334Speterural_set_basicrates(struct ural_softc *sc, const struct ieee80211_channel *c) 182918334Speter{ 183018334Speter /* XXX wrong, take from rate set */ 183118334Speter /* update basic rate set */ 183218334Speter if (IEEE80211_IS_CHAN_5GHZ(c)) { 183318334Speter /* 11a basic rates: 6, 12, 24Mbps */ 183418334Speter ural_write(sc, RAL_TXRX_CSR11, 0x150); 183518334Speter } else if (IEEE80211_IS_CHAN_ANYG(c)) { 183618334Speter /* 11g basic rates: 1, 2, 5.5, 11, 6, 12, 24Mbps */ 183718334Speter ural_write(sc, RAL_TXRX_CSR11, 0x15f); 183818334Speter } else { 183918334Speter /* 11b basic rates: 1, 2Mbps */ 184018334Speter ural_write(sc, RAL_TXRX_CSR11, 0x3); 184118334Speter } 184218334Speter} 184318334Speter 184418334Speterstatic void 184518334Speterural_set_bssid(struct ural_softc *sc, const uint8_t *bssid) 184618334Speter{ 184718334Speter uint16_t tmp; 184818334Speter 184918334Speter tmp = bssid[0] | bssid[1] << 8; 185018334Speter ural_write(sc, RAL_MAC_CSR5, tmp); 185118334Speter 185218334Speter tmp = bssid[2] | bssid[3] << 8; 185318334Speter ural_write(sc, RAL_MAC_CSR6, tmp); 185418334Speter 185518334Speter tmp = bssid[4] | bssid[5] << 8; 185618334Speter ural_write(sc, RAL_MAC_CSR7, tmp); 185718334Speter 185890075Sobrien DPRINTF("setting BSSID to %6D\n", bssid, ":"); 185918334Speter} 186018334Speter 186118334Speterstatic void 186218334Speterural_set_macaddr(struct ural_softc *sc, uint8_t *addr) 186390075Sobrien{ 186418334Speter uint16_t tmp; 186518334Speter 186618334Speter tmp = addr[0] | addr[1] << 8; 186718334Speter ural_write(sc, RAL_MAC_CSR2, tmp); 186818334Speter 186918334Speter tmp = addr[2] | addr[3] << 8; 187050397Sobrien ural_write(sc, RAL_MAC_CSR3, tmp); 187118334Speter 187218334Speter tmp = addr[4] | addr[5] << 8; 187318334Speter ural_write(sc, RAL_MAC_CSR4, tmp); 187490075Sobrien 187518334Speter DPRINTF("setting MAC address to %6D\n", addr, ":"); 187618334Speter} 187718334Speter 187818334Speterstatic void 187918334Speterural_setpromisc(struct ural_softc *sc) 188018334Speter{ 188118334Speter struct ifnet *ifp = sc->sc_ifp; 188218334Speter uint32_t tmp; 188318334Speter 188418334Speter tmp = ural_read(sc, RAL_TXRX_CSR2); 188518334Speter 188618334Speter tmp &= ~RAL_DROP_NOT_TO_ME; 188718334Speter if (!(ifp->if_flags & IFF_PROMISC)) 188818334Speter tmp |= RAL_DROP_NOT_TO_ME; 188918334Speter 189018334Speter ural_write(sc, RAL_TXRX_CSR2, tmp); 189118334Speter 189218334Speter DPRINTF("%s promiscuous mode\n", (ifp->if_flags & IFF_PROMISC) ? 189318334Speter "entering" : "leaving"); 189418334Speter} 189518334Speter 189618334Speterstatic void 189718334Speterural_update_promisc(struct ifnet *ifp) 189818334Speter{ 189918334Speter struct ural_softc *sc = ifp->if_softc; 190018334Speter 190118334Speter if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 190218334Speter return; 190318334Speter 190418334Speter RAL_LOCK(sc); 190518334Speter ural_setpromisc(sc); 190618334Speter RAL_UNLOCK(sc); 190718334Speter} 190818334Speter 190990075Sobrienstatic const char * 191018334Speterural_get_rf(int rev) 191118334Speter{ 191290075Sobrien switch (rev) { 191318334Speter case RAL_RF_2522: return "RT2522"; 191490075Sobrien case RAL_RF_2523: return "RT2523"; 191518334Speter case RAL_RF_2524: return "RT2524"; 1916 case RAL_RF_2525: return "RT2525"; 1917 case RAL_RF_2525E: return "RT2525e"; 1918 case RAL_RF_2526: return "RT2526"; 1919 case RAL_RF_5222: return "RT5222"; 1920 default: return "unknown"; 1921 } 1922} 1923 1924static void 1925ural_read_eeprom(struct ural_softc *sc) 1926{ 1927 uint16_t val; 1928 1929 ural_eeprom_read(sc, RAL_EEPROM_CONFIG0, &val, 2); 1930 val = le16toh(val); 1931 sc->rf_rev = (val >> 11) & 0x7; 1932 sc->hw_radio = (val >> 10) & 0x1; 1933 sc->led_mode = (val >> 6) & 0x7; 1934 sc->rx_ant = (val >> 4) & 0x3; 1935 sc->tx_ant = (val >> 2) & 0x3; 1936 sc->nb_ant = val & 0x3; 1937 1938 /* read MAC address */ 1939 ural_eeprom_read(sc, RAL_EEPROM_ADDRESS, sc->sc_bssid, 6); 1940 1941 /* read default values for BBP registers */ 1942 ural_eeprom_read(sc, RAL_EEPROM_BBP_BASE, sc->bbp_prom, 2 * 16); 1943 1944 /* read Tx power for all b/g channels */ 1945 ural_eeprom_read(sc, RAL_EEPROM_TXPOWER, sc->txpow, 14); 1946} 1947 1948static int 1949ural_bbp_init(struct ural_softc *sc) 1950{ 1951#define N(a) (sizeof (a) / sizeof ((a)[0])) 1952 int i, ntries; 1953 1954 /* wait for BBP to be ready */ 1955 for (ntries = 0; ntries < 100; ntries++) { 1956 if (ural_bbp_read(sc, RAL_BBP_VERSION) != 0) 1957 break; 1958 if (ural_pause(sc, hz / 100)) 1959 break; 1960 } 1961 if (ntries == 100) { 1962 device_printf(sc->sc_dev, "timeout waiting for BBP\n"); 1963 return EIO; 1964 } 1965 1966 /* initialize BBP registers to default values */ 1967 for (i = 0; i < N(ural_def_bbp); i++) 1968 ural_bbp_write(sc, ural_def_bbp[i].reg, ural_def_bbp[i].val); 1969 1970#if 0 1971 /* initialize BBP registers to values stored in EEPROM */ 1972 for (i = 0; i < 16; i++) { 1973 if (sc->bbp_prom[i].reg == 0xff) 1974 continue; 1975 ural_bbp_write(sc, sc->bbp_prom[i].reg, sc->bbp_prom[i].val); 1976 } 1977#endif 1978 1979 return 0; 1980#undef N 1981} 1982 1983static void 1984ural_set_txantenna(struct ural_softc *sc, int antenna) 1985{ 1986 uint16_t tmp; 1987 uint8_t tx; 1988 1989 tx = ural_bbp_read(sc, RAL_BBP_TX) & ~RAL_BBP_ANTMASK; 1990 if (antenna == 1) 1991 tx |= RAL_BBP_ANTA; 1992 else if (antenna == 2) 1993 tx |= RAL_BBP_ANTB; 1994 else 1995 tx |= RAL_BBP_DIVERSITY; 1996 1997 /* need to force I/Q flip for RF 2525e, 2526 and 5222 */ 1998 if (sc->rf_rev == RAL_RF_2525E || sc->rf_rev == RAL_RF_2526 || 1999 sc->rf_rev == RAL_RF_5222) 2000 tx |= RAL_BBP_FLIPIQ; 2001 2002 ural_bbp_write(sc, RAL_BBP_TX, tx); 2003 2004 /* update values in PHY_CSR5 and PHY_CSR6 */ 2005 tmp = ural_read(sc, RAL_PHY_CSR5) & ~0x7; 2006 ural_write(sc, RAL_PHY_CSR5, tmp | (tx & 0x7)); 2007 2008 tmp = ural_read(sc, RAL_PHY_CSR6) & ~0x7; 2009 ural_write(sc, RAL_PHY_CSR6, tmp | (tx & 0x7)); 2010} 2011 2012static void 2013ural_set_rxantenna(struct ural_softc *sc, int antenna) 2014{ 2015 uint8_t rx; 2016 2017 rx = ural_bbp_read(sc, RAL_BBP_RX) & ~RAL_BBP_ANTMASK; 2018 if (antenna == 1) 2019 rx |= RAL_BBP_ANTA; 2020 else if (antenna == 2) 2021 rx |= RAL_BBP_ANTB; 2022 else 2023 rx |= RAL_BBP_DIVERSITY; 2024 2025 /* need to force no I/Q flip for RF 2525e and 2526 */ 2026 if (sc->rf_rev == RAL_RF_2525E || sc->rf_rev == RAL_RF_2526) 2027 rx &= ~RAL_BBP_FLIPIQ; 2028 2029 ural_bbp_write(sc, RAL_BBP_RX, rx); 2030} 2031 2032static void 2033ural_init_locked(struct ural_softc *sc) 2034{ 2035#define N(a) (sizeof (a) / sizeof ((a)[0])) 2036 struct ifnet *ifp = sc->sc_ifp; 2037 struct ieee80211com *ic = ifp->if_l2com; 2038 uint16_t tmp; 2039 int i, ntries; 2040 2041 RAL_LOCK_ASSERT(sc, MA_OWNED); 2042 2043 ural_set_testmode(sc); 2044 ural_write(sc, 0x308, 0x00f0); /* XXX magic */ 2045 2046 ural_stop(sc); 2047 2048 /* initialize MAC registers to default values */ 2049 for (i = 0; i < N(ural_def_mac); i++) 2050 ural_write(sc, ural_def_mac[i].reg, ural_def_mac[i].val); 2051 2052 /* wait for BBP and RF to wake up (this can take a long time!) */ 2053 for (ntries = 0; ntries < 100; ntries++) { 2054 tmp = ural_read(sc, RAL_MAC_CSR17); 2055 if ((tmp & (RAL_BBP_AWAKE | RAL_RF_AWAKE)) == 2056 (RAL_BBP_AWAKE | RAL_RF_AWAKE)) 2057 break; 2058 if (ural_pause(sc, hz / 100)) 2059 break; 2060 } 2061 if (ntries == 100) { 2062 device_printf(sc->sc_dev, 2063 "timeout waiting for BBP/RF to wakeup\n"); 2064 goto fail; 2065 } 2066 2067 /* we're ready! */ 2068 ural_write(sc, RAL_MAC_CSR1, RAL_HOST_READY); 2069 2070 /* set basic rate set (will be updated later) */ 2071 ural_write(sc, RAL_TXRX_CSR11, 0x15f); 2072 2073 if (ural_bbp_init(sc) != 0) 2074 goto fail; 2075 2076 ural_set_chan(sc, ic->ic_curchan); 2077 2078 /* clear statistic registers (STA_CSR0 to STA_CSR10) */ 2079 ural_read_multi(sc, RAL_STA_CSR0, sc->sta, sizeof sc->sta); 2080 2081 ural_set_txantenna(sc, sc->tx_ant); 2082 ural_set_rxantenna(sc, sc->rx_ant); 2083 2084 ural_set_macaddr(sc, IF_LLADDR(ifp)); 2085 2086 /* 2087 * Allocate Tx and Rx xfer queues. 2088 */ 2089 ural_setup_tx_list(sc); 2090 2091 /* kick Rx */ 2092 tmp = RAL_DROP_PHY | RAL_DROP_CRC; 2093 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 2094 tmp |= RAL_DROP_CTL | RAL_DROP_BAD_VERSION; 2095 if (ic->ic_opmode != IEEE80211_M_HOSTAP) 2096 tmp |= RAL_DROP_TODS; 2097 if (!(ifp->if_flags & IFF_PROMISC)) 2098 tmp |= RAL_DROP_NOT_TO_ME; 2099 } 2100 ural_write(sc, RAL_TXRX_CSR2, tmp); 2101 2102 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2103 ifp->if_drv_flags |= IFF_DRV_RUNNING; 2104 usbd_xfer_set_stall(sc->sc_xfer[URAL_BULK_WR]); 2105 usbd_transfer_start(sc->sc_xfer[URAL_BULK_RD]); 2106 return; 2107 2108fail: ural_stop(sc); 2109#undef N 2110} 2111 2112static void 2113ural_init(void *priv) 2114{ 2115 struct ural_softc *sc = priv; 2116 struct ifnet *ifp = sc->sc_ifp; 2117 struct ieee80211com *ic = ifp->if_l2com; 2118 2119 RAL_LOCK(sc); 2120 ural_init_locked(sc); 2121 RAL_UNLOCK(sc); 2122 2123 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2124 ieee80211_start_all(ic); /* start all vap's */ 2125} 2126 2127static void 2128ural_stop(struct ural_softc *sc) 2129{ 2130 struct ifnet *ifp = sc->sc_ifp; 2131 2132 RAL_LOCK_ASSERT(sc, MA_OWNED); 2133 2134 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 2135 2136 /* 2137 * Drain all the transfers, if not already drained: 2138 */ 2139 RAL_UNLOCK(sc); 2140 usbd_transfer_drain(sc->sc_xfer[URAL_BULK_WR]); 2141 usbd_transfer_drain(sc->sc_xfer[URAL_BULK_RD]); 2142 RAL_LOCK(sc); 2143 2144 ural_unsetup_tx_list(sc); 2145 2146 /* disable Rx */ 2147 ural_write(sc, RAL_TXRX_CSR2, RAL_DISABLE_RX); 2148 /* reset ASIC and BBP (but won't reset MAC registers!) */ 2149 ural_write(sc, RAL_MAC_CSR1, RAL_RESET_ASIC | RAL_RESET_BBP); 2150 /* wait a little */ 2151 ural_pause(sc, hz / 10); 2152 ural_write(sc, RAL_MAC_CSR1, 0); 2153 /* wait a little */ 2154 ural_pause(sc, hz / 10); 2155} 2156 2157static int 2158ural_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2159 const struct ieee80211_bpf_params *params) 2160{ 2161 struct ieee80211com *ic = ni->ni_ic; 2162 struct ifnet *ifp = ic->ic_ifp; 2163 struct ural_softc *sc = ifp->if_softc; 2164 2165 RAL_LOCK(sc); 2166 /* prevent management frames from being sent if we're not ready */ 2167 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2168 RAL_UNLOCK(sc); 2169 m_freem(m); 2170 ieee80211_free_node(ni); 2171 return ENETDOWN; 2172 } 2173 if (sc->tx_nfree < RAL_TX_MINFREE) { 2174 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2175 RAL_UNLOCK(sc); 2176 m_freem(m); 2177 ieee80211_free_node(ni); 2178 return EIO; 2179 } 2180 2181 ifp->if_opackets++; 2182 2183 if (params == NULL) { 2184 /* 2185 * Legacy path; interpret frame contents to decide 2186 * precisely how to send the frame. 2187 */ 2188 if (ural_tx_mgt(sc, m, ni) != 0) 2189 goto bad; 2190 } else { 2191 /* 2192 * Caller supplied explicit parameters to use in 2193 * sending the frame. 2194 */ 2195 if (ural_tx_raw(sc, m, ni, params) != 0) 2196 goto bad; 2197 } 2198 RAL_UNLOCK(sc); 2199 return 0; 2200bad: 2201 ifp->if_oerrors++; 2202 RAL_UNLOCK(sc); 2203 ieee80211_free_node(ni); 2204 return EIO; /* XXX */ 2205} 2206 2207static void 2208ural_ratectl_start(struct ural_softc *sc, struct ieee80211_node *ni) 2209{ 2210 struct ieee80211vap *vap = ni->ni_vap; 2211 struct ural_vap *uvp = URAL_VAP(vap); 2212 2213 /* clear statistic registers (STA_CSR0 to STA_CSR10) */ 2214 ural_read_multi(sc, RAL_STA_CSR0, sc->sta, sizeof sc->sta); 2215 2216 ieee80211_ratectl_node_init(ni); 2217 2218 usb_callout_reset(&uvp->ratectl_ch, hz, ural_ratectl_timeout, uvp); 2219} 2220 2221static void 2222ural_ratectl_timeout(void *arg) 2223{ 2224 struct ural_vap *uvp = arg; 2225 struct ieee80211vap *vap = &uvp->vap; 2226 struct ieee80211com *ic = vap->iv_ic; 2227 2228 ieee80211_runtask(ic, &uvp->ratectl_task); 2229} 2230 2231static void 2232ural_ratectl_task(void *arg, int pending) 2233{ 2234 struct ural_vap *uvp = arg; 2235 struct ieee80211vap *vap = &uvp->vap; 2236 struct ieee80211com *ic = vap->iv_ic; 2237 struct ifnet *ifp = ic->ic_ifp; 2238 struct ural_softc *sc = ifp->if_softc; 2239 struct ieee80211_node *ni = vap->iv_bss; 2240 int ok, fail; 2241 int sum, retrycnt; 2242 2243 RAL_LOCK(sc); 2244 /* read and clear statistic registers (STA_CSR0 to STA_CSR10) */ 2245 ural_read_multi(sc, RAL_STA_CSR0, sc->sta, sizeof(sc->sta)); 2246 2247 ok = sc->sta[7] + /* TX ok w/o retry */ 2248 sc->sta[8]; /* TX ok w/ retry */ 2249 fail = sc->sta[9]; /* TX retry-fail count */ 2250 sum = ok+fail; 2251 retrycnt = sc->sta[8] + fail; 2252 2253 ieee80211_ratectl_tx_update(vap, ni, &sum, &ok, &retrycnt); 2254 (void) ieee80211_ratectl_rate(ni, NULL, 0); 2255 2256 ifp->if_oerrors += fail; /* count TX retry-fail as Tx errors */ 2257 2258 usb_callout_reset(&uvp->ratectl_ch, hz, ural_ratectl_timeout, uvp); 2259 RAL_UNLOCK(sc); 2260} 2261 2262static int 2263ural_pause(struct ural_softc *sc, int timeout) 2264{ 2265 2266 usb_pause_mtx(&sc->sc_mtx, timeout); 2267 return (0); 2268} 2269