/*- * Copyright (c) 2008 Weongyo Jeong * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef INET #include #include #include #include #include #endif #include #include #include #include #include #include #include "usbdevs.h" #include #include SYSCTL_NODE(_hw_usb, OID_AUTO, urtw, CTLFLAG_RW, 0, "USB Realtek 8187L"); #ifdef URTW_DEBUG int urtw_debug = 0; SYSCTL_INT(_hw_usb_urtw, OID_AUTO, debug, CTLFLAG_RW, &urtw_debug, 0, "control debugging printfs"); TUNABLE_INT("hw.usb.urtw.debug", &urtw_debug); enum { URTW_DEBUG_XMIT = 0x00000001, /* basic xmit operation */ URTW_DEBUG_RECV = 0x00000002, /* basic recv operation */ URTW_DEBUG_RESET = 0x00000004, /* reset processing */ URTW_DEBUG_TX_PROC = 0x00000008, /* tx ISR proc */ URTW_DEBUG_RX_PROC = 0x00000010, /* rx ISR proc */ URTW_DEBUG_STATE = 0x00000020, /* 802.11 state transitions */ URTW_DEBUG_STAT = 0x00000040, /* statistic */ URTW_DEBUG_ANY = 0xffffffff }; #define DPRINTF(sc, m, fmt, ...) do { \ if (sc->sc_debug & (m)) \ printf(fmt, __VA_ARGS__); \ } while (0) #else #define DPRINTF(sc, m, fmt, ...) do { \ (void) sc; \ } while (0) #endif int urtw_preamble_mode = URTW_PREAMBLE_MODE_LONG; SYSCTL_INT(_hw_usb_urtw, OID_AUTO, preamble_mode, CTLFLAG_RW, &urtw_preamble_mode, 0, "set the preable mode (long or short)"); TUNABLE_INT("hw.usb.urtw.preamble_mode", &urtw_preamble_mode); /* recognized device vendors/products */ static const struct usb_devno urtw_devs[] = { #define URTW_DEV(v,p) { USB_VENDOR_##v, USB_PRODUCT_##v##_##p } URTW_DEV(REALTEK, RTL8187), URTW_DEV(NETGEAR, WG111V2) #undef URTW_DEV }; #define urtw_read8_m(sc, val, data) do { \ error = urtw_read8_c(sc, val, data); \ if (error != 0) \ goto fail; \ } while (0) #define urtw_write8_m(sc, val, data) do { \ error = urtw_write8_c(sc, val, data); \ if (error != 0) \ goto fail; \ } while (0) #define urtw_read16_m(sc, val, data) do { \ error = urtw_read16_c(sc, val, data); \ if (error != 0) \ goto fail; \ } while (0) #define urtw_write16_m(sc, val, data) do { \ error = urtw_write16_c(sc, val, data); \ if (error != 0) \ goto fail; \ } while (0) #define urtw_read32_m(sc, val, data) do { \ error = urtw_read32_c(sc, val, data); \ if (error != 0) \ goto fail; \ } while (0) #define urtw_write32_m(sc, val, data) do { \ error = urtw_write32_c(sc, val, data); \ if (error != 0) \ goto fail; \ } while (0) #define urtw_8187_write_phy_ofdm(sc, val, data) do { \ error = urtw_8187_write_phy_ofdm_c(sc, val, data); \ if (error != 0) \ goto fail; \ } while (0) #define urtw_8187_write_phy_cck(sc, val, data) do { \ error = urtw_8187_write_phy_cck_c(sc, val, data); \ if (error != 0) \ goto fail; \ } while (0) #define urtw_8225_write(sc, val, data) do { \ error = urtw_8225_write_c(sc, val, data); \ if (error != 0) \ goto fail; \ } while (0) struct urtw_pair { uint32_t reg; uint32_t val; }; static uint8_t urtw_8225_agc[] = { 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9d, 0x9c, 0x9b, 0x9a, 0x99, 0x98, 0x97, 0x96, 0x95, 0x94, 0x93, 0x92, 0x91, 0x90, 0x8f, 0x8e, 0x8d, 0x8c, 0x8b, 0x8a, 0x89, 0x88, 0x87, 0x86, 0x85, 0x84, 0x83, 0x82, 0x81, 0x80, 0x3f, 0x3e, 0x3d, 0x3c, 0x3b, 0x3a, 0x39, 0x38, 0x37, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, 0x30, 0x2f, 0x2e, 0x2d, 0x2c, 0x2b, 0x2a, 0x29, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21, 0x20, 0x1f, 0x1e, 0x1d, 0x1c, 0x1b, 0x1a, 0x19, 0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0f, 0x0e, 0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01 }; static uint32_t urtw_8225_channel[] = { 0x0000, /* dummy channel 0 */ 0x085c, /* 1 */ 0x08dc, /* 2 */ 0x095c, /* 3 */ 0x09dc, /* 4 */ 0x0a5c, /* 5 */ 0x0adc, /* 6 */ 0x0b5c, /* 7 */ 0x0bdc, /* 8 */ 0x0c5c, /* 9 */ 0x0cdc, /* 10 */ 0x0d5c, /* 11 */ 0x0ddc, /* 12 */ 0x0e5c, /* 13 */ 0x0f72, /* 14 */ }; static uint8_t urtw_8225_gain[] = { 0x23, 0x88, 0x7c, 0xa5, /* -82dbm */ 0x23, 0x88, 0x7c, 0xb5, /* -82dbm */ 0x23, 0x88, 0x7c, 0xc5, /* -82dbm */ 0x33, 0x80, 0x79, 0xc5, /* -78dbm */ 0x43, 0x78, 0x76, 0xc5, /* -74dbm */ 0x53, 0x60, 0x73, 0xc5, /* -70dbm */ 0x63, 0x58, 0x70, 0xc5, /* -66dbm */ }; static struct urtw_pair urtw_8225_rf_part1[] = { { 0x00, 0x0067 }, { 0x01, 0x0fe0 }, { 0x02, 0x044d }, { 0x03, 0x0441 }, { 0x04, 0x0486 }, { 0x05, 0x0bc0 }, { 0x06, 0x0ae6 }, { 0x07, 0x082a }, { 0x08, 0x001f }, { 0x09, 0x0334 }, { 0x0a, 0x0fd4 }, { 0x0b, 0x0391 }, { 0x0c, 0x0050 }, { 0x0d, 0x06db }, { 0x0e, 0x0029 }, { 0x0f, 0x0914 }, }; static struct urtw_pair urtw_8225_rf_part2[] = { { 0x00, 0x01 }, { 0x01, 0x02 }, { 0x02, 0x42 }, { 0x03, 0x00 }, { 0x04, 0x00 }, { 0x05, 0x00 }, { 0x06, 0x40 }, { 0x07, 0x00 }, { 0x08, 0x40 }, { 0x09, 0xfe }, { 0x0a, 0x09 }, { 0x0b, 0x80 }, { 0x0c, 0x01 }, { 0x0e, 0xd3 }, { 0x0f, 0x38 }, { 0x10, 0x84 }, { 0x11, 0x06 }, { 0x12, 0x20 }, { 0x13, 0x20 }, { 0x14, 0x00 }, { 0x15, 0x40 }, { 0x16, 0x00 }, { 0x17, 0x40 }, { 0x18, 0xef }, { 0x19, 0x19 }, { 0x1a, 0x20 }, { 0x1b, 0x76 }, { 0x1c, 0x04 }, { 0x1e, 0x95 }, { 0x1f, 0x75 }, { 0x20, 0x1f }, { 0x21, 0x27 }, { 0x22, 0x16 }, { 0x24, 0x46 }, { 0x25, 0x20 }, { 0x26, 0x90 }, { 0x27, 0x88 } }; static struct urtw_pair urtw_8225_rf_part3[] = { { 0x00, 0x98 }, { 0x03, 0x20 }, { 0x04, 0x7e }, { 0x05, 0x12 }, { 0x06, 0xfc }, { 0x07, 0x78 }, { 0x08, 0x2e }, { 0x10, 0x9b }, { 0x11, 0x88 }, { 0x12, 0x47 }, { 0x13, 0xd0 }, { 0x19, 0x00 }, { 0x1a, 0xa0 }, { 0x1b, 0x08 }, { 0x40, 0x86 }, { 0x41, 0x8d }, { 0x42, 0x15 }, { 0x43, 0x18 }, { 0x44, 0x1f }, { 0x45, 0x1e }, { 0x46, 0x1a }, { 0x47, 0x15 }, { 0x48, 0x10 }, { 0x49, 0x0a }, { 0x4a, 0x05 }, { 0x4b, 0x02 }, { 0x4c, 0x05 } }; static uint16_t urtw_8225_rxgain[] = { 0x0400, 0x0401, 0x0402, 0x0403, 0x0404, 0x0405, 0x0408, 0x0409, 0x040a, 0x040b, 0x0502, 0x0503, 0x0504, 0x0505, 0x0540, 0x0541, 0x0542, 0x0543, 0x0544, 0x0545, 0x0580, 0x0581, 0x0582, 0x0583, 0x0584, 0x0585, 0x0588, 0x0589, 0x058a, 0x058b, 0x0643, 0x0644, 0x0645, 0x0680, 0x0681, 0x0682, 0x0683, 0x0684, 0x0685, 0x0688, 0x0689, 0x068a, 0x068b, 0x068c, 0x0742, 0x0743, 0x0744, 0x0745, 0x0780, 0x0781, 0x0782, 0x0783, 0x0784, 0x0785, 0x0788, 0x0789, 0x078a, 0x078b, 0x078c, 0x078d, 0x0790, 0x0791, 0x0792, 0x0793, 0x0794, 0x0795, 0x0798, 0x0799, 0x079a, 0x079b, 0x079c, 0x079d, 0x07a0, 0x07a1, 0x07a2, 0x07a3, 0x07a4, 0x07a5, 0x07a8, 0x07a9, 0x07aa, 0x07ab, 0x07ac, 0x07ad, 0x07b0, 0x07b1, 0x07b2, 0x07b3, 0x07b4, 0x07b5, 0x07b8, 0x07b9, 0x07ba, 0x07bb, 0x07bb }; static uint8_t urtw_8225_threshold[] = { 0x8d, 0x8d, 0x8d, 0x8d, 0x9d, 0xad, 0xbd, }; static uint8_t urtw_8225_tx_gain_cck_ofdm[] = { 0x02, 0x06, 0x0e, 0x1e, 0x3e, 0x7e }; static uint8_t urtw_8225_txpwr_cck[] = { 0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02, 0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02, 0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02, 0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02, 0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03, 0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03 }; static uint8_t urtw_8225_txpwr_cck_ch14[] = { 0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00, 0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00, 0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00 }; static uint8_t urtw_8225_txpwr_ofdm[]={ 0x80, 0x90, 0xa2, 0xb5, 0xcb, 0xe4 }; static uint8_t urtw_8225v2_gain_bg[]={ 0x23, 0x15, 0xa5, /* -82-1dbm */ 0x23, 0x15, 0xb5, /* -82-2dbm */ 0x23, 0x15, 0xc5, /* -82-3dbm */ 0x33, 0x15, 0xc5, /* -78dbm */ 0x43, 0x15, 0xc5, /* -74dbm */ 0x53, 0x15, 0xc5, /* -70dbm */ 0x63, 0x15, 0xc5, /* -66dbm */ }; static struct urtw_pair urtw_8225v2_rf_part1[] = { { 0x00, 0x02bf }, { 0x01, 0x0ee0 }, { 0x02, 0x044d }, { 0x03, 0x0441 }, { 0x04, 0x08c3 }, { 0x05, 0x0c72 }, { 0x06, 0x00e6 }, { 0x07, 0x082a }, { 0x08, 0x003f }, { 0x09, 0x0335 }, { 0x0a, 0x09d4 }, { 0x0b, 0x07bb }, { 0x0c, 0x0850 }, { 0x0d, 0x0cdf }, { 0x0e, 0x002b }, { 0x0f, 0x0114 } }; static struct urtw_pair urtw_8225v2_rf_part2[] = { { 0x00, 0x01 }, { 0x01, 0x02 }, { 0x02, 0x42 }, { 0x03, 0x00 }, { 0x04, 0x00 }, { 0x05, 0x00 }, { 0x06, 0x40 }, { 0x07, 0x00 }, { 0x08, 0x40 }, { 0x09, 0xfe }, { 0x0a, 0x08 }, { 0x0b, 0x80 }, { 0x0c, 0x01 }, { 0x0d, 0x43 }, { 0x0e, 0xd3 }, { 0x0f, 0x38 }, { 0x10, 0x84 }, { 0x11, 0x07 }, { 0x12, 0x20 }, { 0x13, 0x20 }, { 0x14, 0x00 }, { 0x15, 0x40 }, { 0x16, 0x00 }, { 0x17, 0x40 }, { 0x18, 0xef }, { 0x19, 0x19 }, { 0x1a, 0x20 }, { 0x1b, 0x15 }, { 0x1c, 0x04 }, { 0x1d, 0xc5 }, { 0x1e, 0x95 }, { 0x1f, 0x75 }, { 0x20, 0x1f }, { 0x21, 0x17 }, { 0x22, 0x16 }, { 0x23, 0x80 }, { 0x24, 0x46 }, { 0x25, 0x00 }, { 0x26, 0x90 }, { 0x27, 0x88 } }; static struct urtw_pair urtw_8225v2_rf_part3[] = { { 0x00, 0x98 }, { 0x03, 0x20 }, { 0x04, 0x7e }, { 0x05, 0x12 }, { 0x06, 0xfc }, { 0x07, 0x78 }, { 0x08, 0x2e }, { 0x09, 0x11 }, { 0x0a, 0x17 }, { 0x0b, 0x11 }, { 0x10, 0x9b }, { 0x11, 0x88 }, { 0x12, 0x47 }, { 0x13, 0xd0 }, { 0x19, 0x00 }, { 0x1a, 0xa0 }, { 0x1b, 0x08 }, { 0x1d, 0x00 }, { 0x40, 0x86 }, { 0x41, 0x9d }, { 0x42, 0x15 }, { 0x43, 0x18 }, { 0x44, 0x36 }, { 0x45, 0x35 }, { 0x46, 0x2e }, { 0x47, 0x25 }, { 0x48, 0x1c }, { 0x49, 0x12 }, { 0x4a, 0x09 }, { 0x4b, 0x04 }, { 0x4c, 0x05 } }; static uint16_t urtw_8225v2_rxgain[] = { 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0008, 0x0009, 0x000a, 0x000b, 0x0102, 0x0103, 0x0104, 0x0105, 0x0140, 0x0141, 0x0142, 0x0143, 0x0144, 0x0145, 0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185, 0x0188, 0x0189, 0x018a, 0x018b, 0x0243, 0x0244, 0x0245, 0x0280, 0x0281, 0x0282, 0x0283, 0x0284, 0x0285, 0x0288, 0x0289, 0x028a, 0x028b, 0x028c, 0x0342, 0x0343, 0x0344, 0x0345, 0x0380, 0x0381, 0x0382, 0x0383, 0x0384, 0x0385, 0x0388, 0x0389, 0x038a, 0x038b, 0x038c, 0x038d, 0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d, 0x03a0, 0x03a1, 0x03a2, 0x03a3, 0x03a4, 0x03a5, 0x03a8, 0x03a9, 0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03b0, 0x03b1, 0x03b2, 0x03b3, 0x03b4, 0x03b5, 0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bb }; static uint8_t urtw_8225v2_tx_gain_cck_ofdm[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, }; static uint8_t urtw_8225v2_txpwr_cck[] = { 0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04 }; static uint8_t urtw_8225v2_txpwr_cck_ch14[] = { 0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00 }; static struct urtw_pair urtw_ratetable[] = { { 2, 0 }, { 4, 1 }, { 11, 2 }, { 12, 4 }, { 18, 5 }, { 22, 3 }, { 24, 6 }, { 36, 7 }, { 48, 8 }, { 72, 9 }, { 96, 10 }, { 108, 11 } }; static struct ieee80211vap *urtw_vap_create(struct ieee80211com *, const char name[IFNAMSIZ], int unit, int opmode, int flags, const uint8_t bssid[IEEE80211_ADDR_LEN], const uint8_t mac[IEEE80211_ADDR_LEN]); static void urtw_vap_delete(struct ieee80211vap *); static void urtw_init(void *); static void urtw_stop(struct ifnet *, int); static int urtw_ioctl(struct ifnet *, u_long, caddr_t); static void urtw_start(struct ifnet *); static int urtw_alloc_rx_data_list(struct urtw_softc *); static int urtw_alloc_tx_data_list(struct urtw_softc *); static void urtw_free_data_list(struct urtw_softc *, usbd_pipe_handle, usbd_pipe_handle, struct urtw_data data[], int); static int urtw_raw_xmit(struct ieee80211_node *, struct mbuf *, const struct ieee80211_bpf_params *); static void urtw_scan_start(struct ieee80211com *); static void urtw_scan_end(struct ieee80211com *); static void urtw_set_channel(struct ieee80211com *); static void urtw_update_mcast(struct ifnet *); static void urtw_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); static int urtw_tx_start(struct urtw_softc *, struct ieee80211_node *, struct mbuf *, int); static void urtw_txeof_low(usbd_xfer_handle, usbd_private_handle, usbd_status); static void urtw_txeof_normal(usbd_xfer_handle, usbd_private_handle, usbd_status); static int urtw_newstate(struct ieee80211vap *, enum ieee80211_state, int); static void urtw_ledtask(void *); static void urtw_ledusbtask(void *); static void urtw_ctxtask(void *); static void urtw_task(void *); static void urtw_watchdog(void *); static void urtw_set_multi(void *); static int urtw_isbmode(uint16_t); static uint16_t urtw_rate2rtl(int); static uint16_t urtw_rtl2rate(int); static usbd_status urtw_set_rate(struct urtw_softc *); static usbd_status urtw_update_msr(struct urtw_softc *); static usbd_status urtw_read8_c(struct urtw_softc *, int, uint8_t *); static usbd_status urtw_read16_c(struct urtw_softc *, int, uint16_t *); static usbd_status urtw_read32_c(struct urtw_softc *, int, uint32_t *); static usbd_status urtw_write8_c(struct urtw_softc *, int, uint8_t); static usbd_status urtw_write16_c(struct urtw_softc *, int, uint16_t); static usbd_status urtw_write32_c(struct urtw_softc *, int, uint32_t); static usbd_status urtw_eprom_cs(struct urtw_softc *, int); static usbd_status urtw_eprom_ck(struct urtw_softc *); static usbd_status urtw_eprom_sendbits(struct urtw_softc *, int16_t *, int); static usbd_status urtw_eprom_read32(struct urtw_softc *, uint32_t, uint32_t *); static usbd_status urtw_eprom_readbit(struct urtw_softc *, int16_t *); static usbd_status urtw_eprom_writebit(struct urtw_softc *, int16_t); static usbd_status urtw_get_macaddr(struct urtw_softc *); static usbd_status urtw_get_txpwr(struct urtw_softc *); static usbd_status urtw_get_rfchip(struct urtw_softc *); static usbd_status urtw_led_init(struct urtw_softc *); static usbd_status urtw_8185_rf_pins_enable(struct urtw_softc *); static usbd_status urtw_8185_tx_antenna(struct urtw_softc *, uint8_t); static usbd_status urtw_8187_write_phy(struct urtw_softc *, uint8_t, uint32_t); static usbd_status urtw_8187_write_phy_ofdm_c(struct urtw_softc *, uint8_t, uint32_t); static usbd_status urtw_8187_write_phy_cck_c(struct urtw_softc *, uint8_t, uint32_t); static usbd_status urtw_8225_setgain(struct urtw_softc *, int16_t); static usbd_status urtw_8225_usb_init(struct urtw_softc *); static usbd_status urtw_8225_write_c(struct urtw_softc *, uint8_t, uint16_t); static usbd_status urtw_8225_write_s16(struct urtw_softc *, uint8_t, int, uint16_t *); static usbd_status urtw_8225_read(struct urtw_softc *, uint8_t, uint32_t *); static usbd_status urtw_8225_rf_init(struct urtw_softc *); static usbd_status urtw_8225_rf_set_chan(struct urtw_softc *, int); static usbd_status urtw_8225_rf_set_sens(struct urtw_softc *, int); static usbd_status urtw_8225_set_txpwrlvl(struct urtw_softc *, int); static usbd_status urtw_8225v2_rf_init(struct urtw_softc *); static usbd_status urtw_8225v2_rf_set_chan(struct urtw_softc *, int); static usbd_status urtw_8225v2_set_txpwrlvl(struct urtw_softc *, int); static usbd_status urtw_8225v2_setgain(struct urtw_softc *, int16_t); static usbd_status urtw_8225_isv2(struct urtw_softc *, int *); static usbd_status urtw_read8e(struct urtw_softc *, int, uint8_t *); static usbd_status urtw_write8e(struct urtw_softc *, int, uint8_t); static usbd_status urtw_8180_set_anaparam(struct urtw_softc *, uint32_t); static usbd_status urtw_8185_set_anaparam2(struct urtw_softc *, uint32_t); static usbd_status urtw_open_pipes(struct urtw_softc *); static usbd_status urtw_close_pipes(struct urtw_softc *); static usbd_status urtw_intr_enable(struct urtw_softc *); static usbd_status urtw_intr_disable(struct urtw_softc *); static usbd_status urtw_reset(struct urtw_softc *); static usbd_status urtw_led_on(struct urtw_softc *, int); static usbd_status urtw_led_ctl(struct urtw_softc *, int); static usbd_status urtw_led_blink(struct urtw_softc *); static usbd_status urtw_led_mode0(struct urtw_softc *, int); static usbd_status urtw_led_mode1(struct urtw_softc *, int); static usbd_status urtw_led_mode2(struct urtw_softc *, int); static usbd_status urtw_led_mode3(struct urtw_softc *, int); static usbd_status urtw_rx_setconf(struct urtw_softc *); static usbd_status urtw_rx_enable(struct urtw_softc *); static usbd_status urtw_tx_enable(struct urtw_softc *sc); static int urtw_match(device_t dev) { struct usb_attach_arg *uaa = device_get_ivars(dev); const struct usb_devno *ud; if (uaa->iface != NULL) return UMATCH_NONE; ud = usb_lookup(urtw_devs, uaa->vendor, uaa->product); return (ud != NULL ? UMATCH_VENDOR_PRODUCT : UMATCH_NONE); } static int urtw_attach(device_t dev) { int ret = 0; struct urtw_softc *sc = device_get_softc(dev); struct usb_attach_arg *uaa = device_get_ivars(dev); struct ieee80211com *ic; struct ifnet *ifp; uint8_t bands; uint32_t data; usbd_status error; sc->sc_dev = dev; sc->sc_udev = uaa->device; #ifdef URTW_DEBUG sc->sc_debug = urtw_debug; #endif mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), MTX_NETWORK_LOCK, MTX_DEF); callout_init(&sc->sc_led_ch, 0); callout_init(&sc->sc_watchdog_ch, 0); usb_init_task(&sc->sc_ledtask, urtw_ledusbtask, sc); usb_init_task(&sc->sc_ctxtask, urtw_ctxtask, sc); usb_init_task(&sc->sc_task, urtw_task, sc); urtw_read32_m(sc, URTW_RX, &data); sc->sc_epromtype = (data & URTW_RX_9356SEL) ? URTW_EEPROM_93C56 : URTW_EEPROM_93C46; error = urtw_get_rfchip(sc); if (error != 0) goto fail; error = urtw_get_macaddr(sc); if (error != 0) goto fail; error = urtw_get_txpwr(sc); if (error != 0) goto fail; error = urtw_led_init(sc); if (error != 0) goto fail; sc->sc_rts_retry = URTW_DEFAULT_RTS_RETRY; sc->sc_tx_retry = URTW_DEFAULT_TX_RETRY; sc->sc_currate = 3; sc->sc_preamble_mode = urtw_preamble_mode; ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); if (ifp == NULL) { device_printf(sc->sc_dev, "can not allocate ifnet\n"); ret = ENXIO; goto fail; } ifp->if_softc = sc; if_initname(ifp, "urtw", device_get_unit(sc->sc_dev)); ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST | IFF_NEEDSGIANT; /* USB stack is still under Giant lock */ ifp->if_init = urtw_init; ifp->if_ioctl = urtw_ioctl; ifp->if_start = urtw_start; /* XXX URTW_TX_DATA_LIST_COUNT */ IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN; IFQ_SET_READY(&ifp->if_snd); ic = ifp->if_l2com; ic->ic_ifp = ifp; ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ /* set device capabilities */ ic->ic_caps = IEEE80211_C_STA | /* station mode */ IEEE80211_C_MONITOR | /* monitor mode supported */ IEEE80211_C_TXPMGT | /* tx power management */ IEEE80211_C_SHPREAMBLE | /* short preamble supported */ IEEE80211_C_SHSLOT | /* short slot time supported */ IEEE80211_C_BGSCAN | /* capable of bg scanning */ IEEE80211_C_WPA; /* 802.11i */ IEEE80211_ADDR_COPY(ic->ic_myaddr, sc->sc_bssid); bands = 0; setbit(&bands, IEEE80211_MODE_11B); setbit(&bands, IEEE80211_MODE_11G); ieee80211_init_channels(ic, NULL, &bands); ieee80211_ifattach(ic); ic->ic_raw_xmit = urtw_raw_xmit; ic->ic_scan_start = urtw_scan_start; ic->ic_scan_end = urtw_scan_end; ic->ic_set_channel = urtw_set_channel; ic->ic_vap_create = urtw_vap_create; ic->ic_vap_delete = urtw_vap_delete; ic->ic_update_mcast = urtw_update_mcast; bpfattach(ifp, DLT_IEEE802_11_RADIO, sizeof (struct ieee80211_frame) + sizeof(sc->sc_txtap)); sc->sc_rxtap_len = sizeof sc->sc_rxtap; sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); sc->sc_rxtap.wr_ihdr.it_present = htole32(URTW_RX_RADIOTAP_PRESENT); sc->sc_txtap_len = sizeof sc->sc_txtap; sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); sc->sc_txtap.wt_ihdr.it_present = htole32(URTW_TX_RADIOTAP_PRESENT); if (bootverbose) ieee80211_announce(ic); usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); fail: return (ret); } static usbd_status urtw_open_pipes(struct urtw_softc *sc) { usbd_status error; /* * NB: there is no way to distinguish each pipes so we need to hardcode * pipe numbers */ /* tx pipe - low priority packets */ error = usbd_open_pipe(sc->sc_iface, 0x2, USBD_EXCLUSIVE_USE, &sc->sc_txpipe_low); if (error != 0) { device_printf(sc->sc_dev, "could not open Tx low pipe: %s\n", usbd_errstr(error)); goto fail; } /* tx pipe - normal priority packets */ error = usbd_open_pipe(sc->sc_iface, 0x3, USBD_EXCLUSIVE_USE, &sc->sc_txpipe_normal); if (error != 0) { device_printf(sc->sc_dev, "could not open Tx normal pipe: %s\n", usbd_errstr(error)); goto fail; } /* rx pipe */ error = usbd_open_pipe(sc->sc_iface, 0x81, USBD_EXCLUSIVE_USE, &sc->sc_rxpipe); if (error != 0) { device_printf(sc->sc_dev, "could not open Rx pipe: %s\n", usbd_errstr(error)); goto fail; } return (0); fail: (void)urtw_close_pipes(sc); return (error); } static usbd_status urtw_close_pipes(struct urtw_softc *sc) { usbd_status error = 0; if (sc->sc_rxpipe != NULL) { error = usbd_close_pipe(sc->sc_rxpipe); if (error != 0) goto fail; sc->sc_rxpipe = NULL; } if (sc->sc_txpipe_low != NULL) { error = usbd_close_pipe(sc->sc_txpipe_low); if (error != 0) goto fail; sc->sc_txpipe_low = NULL; } if (sc->sc_txpipe_normal != NULL) { error = usbd_close_pipe(sc->sc_txpipe_normal); if (error != 0) goto fail; sc->sc_txpipe_normal = NULL; } fail: return (error); } static int urtw_alloc_data_list(struct urtw_softc *sc, struct urtw_data data[], int ndata, int maxsz, int fillmbuf) { int i, error; for (i = 0; i < ndata; i++) { struct urtw_data *dp = &data[i]; dp->sc = sc; dp->xfer = usbd_alloc_xfer(sc->sc_udev); if (dp->xfer == NULL) { device_printf(sc->sc_dev, "could not allocate xfer\n"); error = ENOMEM; goto fail; } if (fillmbuf) { dp->m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); if (dp->m == NULL) { device_printf(sc->sc_dev, "could not allocate rx mbuf\n"); error = ENOMEM; goto fail; } dp->buf = mtod(dp->m, uint8_t *); } else { dp->m = NULL; dp->buf = usbd_alloc_buffer(dp->xfer, maxsz); if (dp->buf == NULL) { device_printf(sc->sc_dev, "could not allocate buffer\n"); error = ENOMEM; goto fail; } if (((unsigned long)dp->buf) % 4) device_printf(sc->sc_dev, "warn: unaligned buffer %p\n", dp->buf); } dp->ni = NULL; } return 0; fail: urtw_free_data_list(sc, NULL, NULL, data, ndata); return error; } static void urtw_free_data_list(struct urtw_softc *sc, usbd_pipe_handle pipe1, usbd_pipe_handle pipe2, struct urtw_data data[], int ndata) { int i; /* make sure no transfers are pending */ if (pipe1 != NULL) usbd_abort_pipe(pipe1); if (pipe2 != NULL) usbd_abort_pipe(pipe2); for (i = 0; i < ndata; i++) { struct urtw_data *dp = &data[i]; if (dp->xfer != NULL) { usbd_free_xfer(dp->xfer); dp->xfer = NULL; } if (dp->m != NULL) { m_freem(dp->m); dp->m = NULL; } if (dp->ni != NULL) { ieee80211_free_node(dp->ni); dp->ni = NULL; } } } static int urtw_alloc_rx_data_list(struct urtw_softc *sc) { return urtw_alloc_data_list(sc, sc->sc_rxdata, URTW_RX_DATA_LIST_COUNT, MCLBYTES, 1 /* mbufs */); } static void urtw_free_rx_data_list(struct urtw_softc *sc) { urtw_free_data_list(sc, sc->sc_rxpipe, NULL, sc->sc_rxdata, URTW_RX_DATA_LIST_COUNT); } static int urtw_alloc_tx_data_list(struct urtw_softc *sc) { return urtw_alloc_data_list(sc, sc->sc_txdata, URTW_TX_DATA_LIST_COUNT, URTW_TX_MAXSIZE, 0 /* no mbufs */); } static void urtw_free_tx_data_list(struct urtw_softc *sc) { urtw_free_data_list(sc, sc->sc_txpipe_low, sc->sc_txpipe_normal, sc->sc_txdata, URTW_TX_DATA_LIST_COUNT); } static usbd_status urtw_led_init(struct urtw_softc *sc) { uint32_t rev; usbd_status error; urtw_read8_m(sc, URTW_PSR, &sc->sc_psr); error = urtw_eprom_read32(sc, URTW_EPROM_SWREV, &rev); if (error != 0) goto fail; switch (rev & URTW_EPROM_CID_MASK) { case URTW_EPROM_CID_ALPHA0: sc->sc_strategy = URTW_SW_LED_MODE1; break; case URTW_EPROM_CID_SERCOMM_PS: sc->sc_strategy = URTW_SW_LED_MODE3; break; case URTW_EPROM_CID_HW_LED: sc->sc_strategy = URTW_HW_LED; break; case URTW_EPROM_CID_RSVD0: case URTW_EPROM_CID_RSVD1: default: sc->sc_strategy = URTW_SW_LED_MODE0; break; } sc->sc_gpio_ledpin = URTW_LED_PIN_GPIO0; fail: return (error); } /* XXX why we should allocalte memory buffer instead of using memory stack? */ static usbd_status urtw_8225_write_s16(struct urtw_softc *sc, uint8_t addr, int index, uint16_t *data) { uint8_t *buf; uint16_t data16; usb_device_request_t *req; usbd_status error = 0; data16 = *data; req = (usb_device_request_t *)malloc(sizeof(usb_device_request_t), M_80211_VAP, M_NOWAIT | M_ZERO); if (req == NULL) { device_printf(sc->sc_dev, "could not allocate a memory\n"); goto fail0; } buf = (uint8_t *)malloc(2, M_80211_VAP, M_NOWAIT | M_ZERO); if (req == NULL) { device_printf(sc->sc_dev, "could not allocate a memory\n"); goto fail1; } req->bmRequestType = UT_WRITE_VENDOR_DEVICE; req->bRequest = URTW_8187_SETREGS_REQ; USETW(req->wValue, addr); USETW(req->wIndex, index); USETW(req->wLength, sizeof(uint16_t)); buf[0] = (data16 & 0x00ff); buf[1] = (data16 & 0xff00) >> 8; error = usbd_do_request(sc->sc_udev, req, buf); free(buf, M_80211_VAP); fail1: free(req, M_80211_VAP); fail0: return (error); } static usbd_status urtw_8225_read(struct urtw_softc *sc, uint8_t addr, uint32_t *data) { int i; int16_t bit; uint8_t rlen = 12, wlen = 6; uint16_t o1, o2, o3, tmp; uint32_t d2w = ((uint32_t)(addr & 0x1f)) << 27; uint32_t mask = 0x80000000, value = 0; usbd_status error; urtw_read16_m(sc, URTW_RF_PINS_OUTPUT, &o1); urtw_read16_m(sc, URTW_RF_PINS_ENABLE, &o2); urtw_read16_m(sc, URTW_RF_PINS_SELECT, &o3); urtw_write16_m(sc, URTW_RF_PINS_ENABLE, o2 | URTW_RF_PINS_MAGIC4); urtw_write16_m(sc, URTW_RF_PINS_SELECT, o3 | URTW_RF_PINS_MAGIC4); o1 &= ~URTW_RF_PINS_MAGIC4; urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, o1 | URTW_BB_HOST_BANG_EN); DELAY(5); urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, o1); DELAY(5); for (i = 0; i < (wlen / 2); i++, mask = mask >> 1) { bit = ((d2w & mask) != 0) ? 1 : 0; urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, bit | o1); DELAY(2); urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, bit | o1 | URTW_BB_HOST_BANG_CLK); DELAY(2); urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, bit | o1 | URTW_BB_HOST_BANG_CLK); DELAY(2); mask = mask >> 1; if (i == 2) break; bit = ((d2w & mask) != 0) ? 1 : 0; urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, bit | o1 | URTW_BB_HOST_BANG_CLK); DELAY(2); urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, bit | o1 | URTW_BB_HOST_BANG_CLK); DELAY(2); urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, bit | o1); DELAY(1); } urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, bit | o1 | URTW_BB_HOST_BANG_RW | URTW_BB_HOST_BANG_CLK); DELAY(2); urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, bit | o1 | URTW_BB_HOST_BANG_RW); DELAY(2); urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, o1 | URTW_BB_HOST_BANG_RW); DELAY(2); mask = 0x800; for (i = 0; i < rlen; i++, mask = mask >> 1) { urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, o1 | URTW_BB_HOST_BANG_RW); DELAY(2); urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, o1 | URTW_BB_HOST_BANG_RW | URTW_BB_HOST_BANG_CLK); DELAY(2); urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, o1 | URTW_BB_HOST_BANG_RW | URTW_BB_HOST_BANG_CLK); DELAY(2); urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, o1 | URTW_BB_HOST_BANG_RW | URTW_BB_HOST_BANG_CLK); DELAY(2); urtw_read16_m(sc, URTW_RF_PINS_INPUT, &tmp); value |= ((tmp & URTW_BB_HOST_BANG_CLK) ? mask : 0); urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, o1 | URTW_BB_HOST_BANG_RW); DELAY(2); } urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, o1 | URTW_BB_HOST_BANG_EN | URTW_BB_HOST_BANG_RW); DELAY(2); urtw_write16_m(sc, URTW_RF_PINS_ENABLE, o2); urtw_write16_m(sc, URTW_RF_PINS_SELECT, o3); urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, URTW_RF_PINS_OUTPUT_MAGIC1); if (data != NULL) *data = value; fail: return (error); } static usbd_status urtw_8225_write_c(struct urtw_softc *sc, uint8_t addr, uint16_t data) { uint16_t d80, d82, d84; usbd_status error; urtw_read16_m(sc, URTW_RF_PINS_OUTPUT, &d80); d80 &= URTW_RF_PINS_MAGIC1; urtw_read16_m(sc, URTW_RF_PINS_ENABLE, &d82); urtw_read16_m(sc, URTW_RF_PINS_SELECT, &d84); d84 &= URTW_RF_PINS_MAGIC2; urtw_write16_m(sc, URTW_RF_PINS_ENABLE, d82 | URTW_RF_PINS_MAGIC3); urtw_write16_m(sc, URTW_RF_PINS_SELECT, d84 | URTW_RF_PINS_MAGIC3); DELAY(10); urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, d80 | URTW_BB_HOST_BANG_EN); DELAY(2); urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, d80); DELAY(10); error = urtw_8225_write_s16(sc, addr, 0x8225, &data); if (error != 0) goto fail; urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, d80 | URTW_BB_HOST_BANG_EN); DELAY(10); urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, d80 | URTW_BB_HOST_BANG_EN); urtw_write16_m(sc, URTW_RF_PINS_SELECT, d84); usbd_delay_ms(sc->sc_udev, 2); fail: return (error); } static usbd_status urtw_8225_isv2(struct urtw_softc *sc, int *ret) { uint32_t data; usbd_status error; *ret = 1; urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, URTW_RF_PINS_MAGIC5); urtw_write16_m(sc, URTW_RF_PINS_SELECT, URTW_RF_PINS_MAGIC5); urtw_write16_m(sc, URTW_RF_PINS_ENABLE, URTW_RF_PINS_MAGIC5); usbd_delay_ms(sc->sc_udev, 500); urtw_8225_write(sc, URTW_8225_ADDR_0_MAGIC, URTW_8225_ADDR_0_DATA_MAGIC1); error = urtw_8225_read(sc, URTW_8225_ADDR_8_MAGIC, &data); if (error != 0) goto fail; if (data != URTW_8225_ADDR_8_DATA_MAGIC1) *ret = 0; else { error = urtw_8225_read(sc, URTW_8225_ADDR_9_MAGIC, &data); if (error != 0) goto fail; if (data != URTW_8225_ADDR_9_DATA_MAGIC1) *ret = 0; } urtw_8225_write(sc, URTW_8225_ADDR_0_MAGIC, URTW_8225_ADDR_0_DATA_MAGIC2); fail: return (error); } static usbd_status urtw_get_rfchip(struct urtw_softc *sc) { int ret; uint32_t data; usbd_status error; error = urtw_eprom_read32(sc, URTW_EPROM_RFCHIPID, &data); if (error != 0) goto fail; switch (data & 0xff) { case URTW_EPROM_RFCHIPID_RTL8225U: error = urtw_8225_isv2(sc, &ret); if (error != 0) goto fail; if (ret == 0) { sc->sc_rf_init = urtw_8225_rf_init; sc->sc_rf_set_sens = urtw_8225_rf_set_sens; sc->sc_rf_set_chan = urtw_8225_rf_set_chan; } else { sc->sc_rf_init = urtw_8225v2_rf_init; sc->sc_rf_set_chan = urtw_8225v2_rf_set_chan; } sc->sc_max_sens = URTW_8225_RF_MAX_SENS; sc->sc_sens = URTW_8225_RF_DEF_SENS; break; default: panic("unsupported RF chip %d\n", data & 0xff); /* never reach */ } fail: return (error); } static usbd_status urtw_get_txpwr(struct urtw_softc *sc) { int i, j; uint32_t data; usbd_status error; error = urtw_eprom_read32(sc, URTW_EPROM_TXPW_BASE, &data); if (error != 0) goto fail; sc->sc_txpwr_cck_base = data & 0xf; sc->sc_txpwr_ofdm_base = (data >> 4) & 0xf; for (i = 1, j = 0; i < 6; i += 2, j++) { error = urtw_eprom_read32(sc, URTW_EPROM_TXPW0 + j, &data); if (error != 0) goto fail; sc->sc_txpwr_cck[i] = data & 0xf; sc->sc_txpwr_cck[i + 1] = (data & 0xf00) >> 8; sc->sc_txpwr_ofdm[i] = (data & 0xf0) >> 4; sc->sc_txpwr_ofdm[i + 1] = (data & 0xf000) >> 12; } for (i = 1, j = 0; i < 4; i += 2, j++) { error = urtw_eprom_read32(sc, URTW_EPROM_TXPW1 + j, &data); if (error != 0) goto fail; sc->sc_txpwr_cck[i + 6] = data & 0xf; sc->sc_txpwr_cck[i + 6 + 1] = (data & 0xf00) >> 8; sc->sc_txpwr_ofdm[i + 6] = (data & 0xf0) >> 4; sc->sc_txpwr_ofdm[i + 6 + 1] = (data & 0xf000) >> 12; } for (i = 1, j = 0; i < 4; i += 2, j++) { error = urtw_eprom_read32(sc, URTW_EPROM_TXPW2 + j, &data); if (error != 0) goto fail; sc->sc_txpwr_cck[i + 6 + 4] = data & 0xf; sc->sc_txpwr_cck[i + 6 + 4 + 1] = (data & 0xf00) >> 8; sc->sc_txpwr_ofdm[i + 6 + 4] = (data & 0xf0) >> 4; sc->sc_txpwr_ofdm[i + 6 + 4 + 1] = (data & 0xf000) >> 12; } fail: return (error); } static usbd_status urtw_get_macaddr(struct urtw_softc *sc) { uint32_t data; usbd_status error; error = urtw_eprom_read32(sc, URTW_EPROM_MACADDR, &data); if (error != 0) goto fail; sc->sc_bssid[0] = data & 0xff; sc->sc_bssid[1] = (data & 0xff00) >> 8; error = urtw_eprom_read32(sc, URTW_EPROM_MACADDR + 1, &data); if (error != 0) goto fail; sc->sc_bssid[2] = data & 0xff; sc->sc_bssid[3] = (data & 0xff00) >> 8; error = urtw_eprom_read32(sc, URTW_EPROM_MACADDR + 2, &data); if (error != 0) goto fail; sc->sc_bssid[4] = data & 0xff; sc->sc_bssid[5] = (data & 0xff00) >> 8; fail: return (error); } static usbd_status urtw_eprom_read32(struct urtw_softc *sc, uint32_t addr, uint32_t *data) { #define URTW_READCMD_LEN 3 int addrlen, i; int16_t addrstr[8], data16, readcmd[] = { 1, 1, 0 }; usbd_status error; /* NB: make sure the buffer is initialized */ *data = 0; /* enable EPROM programming */ urtw_write8_m(sc, URTW_EPROM_CMD, URTW_EPROM_CMD_PROGRAM_MODE); DELAY(URTW_EPROM_DELAY); error = urtw_eprom_cs(sc, URTW_EPROM_ENABLE); if (error != 0) goto fail; error = urtw_eprom_ck(sc); if (error != 0) goto fail; error = urtw_eprom_sendbits(sc, readcmd, URTW_READCMD_LEN); if (error != 0) goto fail; if (sc->sc_epromtype == URTW_EEPROM_93C56) { addrlen = 8; addrstr[0] = addr & (1 << 7); addrstr[1] = addr & (1 << 6); addrstr[2] = addr & (1 << 5); addrstr[3] = addr & (1 << 4); addrstr[4] = addr & (1 << 3); addrstr[5] = addr & (1 << 2); addrstr[6] = addr & (1 << 1); addrstr[7] = addr & (1 << 0); } else { addrlen=6; addrstr[0] = addr & (1 << 5); addrstr[1] = addr & (1 << 4); addrstr[2] = addr & (1 << 3); addrstr[3] = addr & (1 << 2); addrstr[4] = addr & (1 << 1); addrstr[5] = addr & (1 << 0); } error = urtw_eprom_sendbits(sc, addrstr, addrlen); if (error != 0) goto fail; error = urtw_eprom_writebit(sc, 0); if (error != 0) goto fail; for (i = 0; i < 16; i++) { error = urtw_eprom_ck(sc); if (error != 0) goto fail; error = urtw_eprom_readbit(sc, &data16); if (error != 0) goto fail; (*data) |= (data16 << (15 - i)); } error = urtw_eprom_cs(sc, URTW_EPROM_DISABLE); if (error != 0) goto fail; error = urtw_eprom_ck(sc); if (error != 0) goto fail; /* now disable EPROM programming */ urtw_write8_m(sc, URTW_EPROM_CMD, URTW_EPROM_CMD_NORMAL_MODE); fail: return (error); #undef URTW_READCMD_LEN } static usbd_status urtw_eprom_readbit(struct urtw_softc *sc, int16_t *data) { uint8_t data8; usbd_status error; urtw_read8_m(sc, URTW_EPROM_CMD, &data8); *data = (data8 & URTW_EPROM_READBIT) ? 1 : 0; DELAY(URTW_EPROM_DELAY); fail: return (error); } static usbd_status urtw_eprom_sendbits(struct urtw_softc *sc, int16_t *buf, int buflen) { int i = 0; usbd_status error = 0; for (i = 0; i < buflen; i++) { error = urtw_eprom_writebit(sc, buf[i]); if (error != 0) goto fail; error = urtw_eprom_ck(sc); if (error != 0) goto fail; } fail: return (error); } static usbd_status urtw_eprom_writebit(struct urtw_softc *sc, int16_t bit) { uint8_t data; usbd_status error; urtw_read8_m(sc, URTW_EPROM_CMD, &data); if (bit != 0) urtw_write8_m(sc, URTW_EPROM_CMD, data | URTW_EPROM_WRITEBIT); else urtw_write8_m(sc, URTW_EPROM_CMD, data & ~URTW_EPROM_WRITEBIT); DELAY(URTW_EPROM_DELAY); fail: return (error); } static usbd_status urtw_eprom_ck(struct urtw_softc *sc) { uint8_t data; usbd_status error; /* masking */ urtw_read8_m(sc, URTW_EPROM_CMD, &data); urtw_write8_m(sc, URTW_EPROM_CMD, data | URTW_EPROM_CK); DELAY(URTW_EPROM_DELAY); /* unmasking */ urtw_read8_m(sc, URTW_EPROM_CMD, &data); urtw_write8_m(sc, URTW_EPROM_CMD, data & ~URTW_EPROM_CK); DELAY(URTW_EPROM_DELAY); fail: return (error); } static usbd_status urtw_eprom_cs(struct urtw_softc *sc, int able) { uint8_t data; usbd_status error; urtw_read8_m(sc, URTW_EPROM_CMD, &data); if (able == URTW_EPROM_ENABLE) urtw_write8_m(sc, URTW_EPROM_CMD, data | URTW_EPROM_CS); else urtw_write8_m(sc, URTW_EPROM_CMD, data & ~URTW_EPROM_CS); DELAY(URTW_EPROM_DELAY); fail: return (error); } static usbd_status urtw_read8_c(struct urtw_softc *sc, int val, uint8_t *data) { usb_device_request_t req; usbd_status error; req.bmRequestType = UT_READ_VENDOR_DEVICE; req.bRequest = URTW_8187_GETREGS_REQ; USETW(req.wValue, val | 0xff00); USETW(req.wIndex, 0); USETW(req.wLength, sizeof(uint8_t)); error = usbd_do_request(sc->sc_udev, &req, data); return (error); } static usbd_status urtw_read8e(struct urtw_softc *sc, int val, uint8_t *data) { usb_device_request_t req; usbd_status error; req.bmRequestType = UT_READ_VENDOR_DEVICE; req.bRequest = URTW_8187_GETREGS_REQ; USETW(req.wValue, val | 0xfe00); USETW(req.wIndex, 0); USETW(req.wLength, sizeof(uint8_t)); error = usbd_do_request(sc->sc_udev, &req, data); return (error); } static usbd_status urtw_read16_c(struct urtw_softc *sc, int val, uint16_t *data) { usb_device_request_t req; usbd_status error; req.bmRequestType = UT_READ_VENDOR_DEVICE; req.bRequest = URTW_8187_GETREGS_REQ; USETW(req.wValue, val | 0xff00); USETW(req.wIndex, 0); USETW(req.wLength, sizeof(uint16_t)); error = usbd_do_request(sc->sc_udev, &req, data); return (error); } static usbd_status urtw_read32_c(struct urtw_softc *sc, int val, uint32_t *data) { usb_device_request_t req; usbd_status error; req.bmRequestType = UT_READ_VENDOR_DEVICE; req.bRequest = URTW_8187_GETREGS_REQ; USETW(req.wValue, val | 0xff00); USETW(req.wIndex, 0); USETW(req.wLength, sizeof(uint32_t)); error = usbd_do_request(sc->sc_udev, &req, data); return (error); } static usbd_status urtw_write8_c(struct urtw_softc *sc, int val, uint8_t data) { usb_device_request_t req; req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = URTW_8187_SETREGS_REQ; USETW(req.wValue, val | 0xff00); USETW(req.wIndex, 0); USETW(req.wLength, sizeof(uint8_t)); return (usbd_do_request(sc->sc_udev, &req, &data)); } static usbd_status urtw_write8e(struct urtw_softc *sc, int val, uint8_t data) { usb_device_request_t req; req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = URTW_8187_SETREGS_REQ; USETW(req.wValue, val | 0xfe00); USETW(req.wIndex, 0); USETW(req.wLength, sizeof(uint8_t)); return (usbd_do_request(sc->sc_udev, &req, &data)); } static usbd_status urtw_write16_c(struct urtw_softc *sc, int val, uint16_t data) { usb_device_request_t req; req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = URTW_8187_SETREGS_REQ; USETW(req.wValue, val | 0xff00); USETW(req.wIndex, 0); USETW(req.wLength, sizeof(uint16_t)); return (usbd_do_request(sc->sc_udev, &req, &data)); } static usbd_status urtw_write32_c(struct urtw_softc *sc, int val, uint32_t data) { usb_device_request_t req; req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = URTW_8187_SETREGS_REQ; USETW(req.wValue, val | 0xff00); USETW(req.wIndex, 0); USETW(req.wLength, sizeof(uint32_t)); return (usbd_do_request(sc->sc_udev, &req, &data)); } static int urtw_detach(device_t dev) { struct urtw_softc *sc = device_get_softc(dev); struct ifnet *ifp = sc->sc_ifp; struct ieee80211com *ic = ifp->if_l2com; if (!device_is_attached(dev)) return 0; urtw_stop(ifp, 1); callout_drain(&sc->sc_led_ch); callout_drain(&sc->sc_watchdog_ch); usb_rem_task(sc->sc_udev, &sc->sc_ledtask); usb_rem_task(sc->sc_udev, &sc->sc_ctxtask); usb_rem_task(sc->sc_udev, &sc->sc_task); /* abort and free xfers */ urtw_free_tx_data_list(sc); urtw_free_rx_data_list(sc); urtw_close_pipes(sc); bpfdetach(ifp); ieee80211_ifdetach(ic); if_free(ifp); mtx_destroy(&sc->sc_mtx); usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); return (0); } static struct ieee80211vap * urtw_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, int opmode, int flags, const uint8_t bssid[IEEE80211_ADDR_LEN], const uint8_t mac[IEEE80211_ADDR_LEN]) { struct urtw_vap *uvp; struct ieee80211vap *vap; if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ return (NULL); uvp = (struct urtw_vap *) malloc(sizeof(struct urtw_vap), M_80211_VAP, M_NOWAIT | M_ZERO); if (uvp == NULL) return (NULL); vap = &uvp->vap; /* enable s/w bmiss handling for sta mode */ ieee80211_vap_setup(ic, vap, name, unit, opmode, flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); /* override state transition machine */ uvp->newstate = vap->iv_newstate; vap->iv_newstate = urtw_newstate; /* complete setup */ ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status); ic->ic_opmode = opmode; return (vap); } static void urtw_vap_delete(struct ieee80211vap *vap) { struct urtw_vap *uvp = URTW_VAP(vap); ieee80211_vap_detach(vap); free(uvp, M_80211_VAP); } static usbd_status urtw_set_mode(struct urtw_softc *sc, uint32_t mode) { uint8_t data; usbd_status error; urtw_read8_m(sc, URTW_EPROM_CMD, &data); data = (data & ~URTW_EPROM_CMD_MASK) | (mode << URTW_EPROM_CMD_SHIFT); data = data & ~(URTW_EPROM_CS | URTW_EPROM_CK); urtw_write8_m(sc, URTW_EPROM_CMD, data); fail: return (error); } static usbd_status urtw_8180_set_anaparam(struct urtw_softc *sc, uint32_t val) { uint8_t data; usbd_status error; error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG); if (error) goto fail; urtw_read8_m(sc, URTW_CONFIG3, &data); urtw_write8_m(sc, URTW_CONFIG3, data | URTW_CONFIG3_ANAPARAM_WRITE); urtw_write32_m(sc, URTW_ANAPARAM, val); urtw_read8_m(sc, URTW_CONFIG3, &data); urtw_write8_m(sc, URTW_CONFIG3, data & ~URTW_CONFIG3_ANAPARAM_WRITE); error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL); if (error) goto fail; fail: return (error); } static usbd_status urtw_8185_set_anaparam2(struct urtw_softc *sc, uint32_t val) { uint8_t data; usbd_status error; error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG); if (error) goto fail; urtw_read8_m(sc, URTW_CONFIG3, &data); urtw_write8_m(sc, URTW_CONFIG3, data | URTW_CONFIG3_ANAPARAM_WRITE); urtw_write32_m(sc, URTW_ANAPARAM2, val); urtw_read8_m(sc, URTW_CONFIG3, &data); urtw_write8_m(sc, URTW_CONFIG3, data & ~URTW_CONFIG3_ANAPARAM_WRITE); error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL); if (error) goto fail; fail: return (error); } static usbd_status urtw_intr_disable(struct urtw_softc *sc) { usbd_status error; urtw_write16_m(sc, URTW_INTR_MASK, 0); fail: return (error); } static usbd_status urtw_reset(struct urtw_softc *sc) { uint8_t data; usbd_status error; error = urtw_8180_set_anaparam(sc, URTW_8225_ANAPARAM_ON); if (error) goto fail; error = urtw_8185_set_anaparam2(sc, URTW_8225_ANAPARAM2_ON); if (error) goto fail; error = urtw_intr_disable(sc); if (error) goto fail; usbd_delay_ms(sc->sc_udev, 100); error = urtw_write8e(sc, 0x18, 0x10); if (error != 0) goto fail; error = urtw_write8e(sc, 0x18, 0x11); if (error != 0) goto fail; error = urtw_write8e(sc, 0x18, 0x00); if (error != 0) goto fail; usbd_delay_ms(sc->sc_udev, 100); urtw_read8_m(sc, URTW_CMD, &data); data = (data & 0x2) | URTW_CMD_RST; urtw_write8_m(sc, URTW_CMD, data); usbd_delay_ms(sc->sc_udev, 100); urtw_read8_m(sc, URTW_CMD, &data); if (data & URTW_CMD_RST) { device_printf(sc->sc_dev, "reset timeout\n"); goto fail; } error = urtw_set_mode(sc, URTW_EPROM_CMD_LOAD); if (error) goto fail; usbd_delay_ms(sc->sc_udev, 100); error = urtw_8180_set_anaparam(sc, URTW_8225_ANAPARAM_ON); if (error) goto fail; error = urtw_8185_set_anaparam2(sc, URTW_8225_ANAPARAM2_ON); if (error) goto fail; fail: return (error); } static usbd_status urtw_led_on(struct urtw_softc *sc, int type) { usbd_status error; if (type == URTW_LED_GPIO) { switch (sc->sc_gpio_ledpin) { case URTW_LED_PIN_GPIO0: urtw_write8_m(sc, URTW_GPIO, 0x01); urtw_write8_m(sc, URTW_GP_ENABLE, 0x00); break; default: panic("unsupported LED PIN type 0x%x", sc->sc_gpio_ledpin); /* never reach */ } } else { panic("unsupported LED type 0x%x", type); /* never reach */ } sc->sc_gpio_ledon = 1; fail: return (error); } static usbd_status urtw_led_off(struct urtw_softc *sc, int type) { usbd_status error; if (type == URTW_LED_GPIO) { switch (sc->sc_gpio_ledpin) { case URTW_LED_PIN_GPIO0: urtw_write8_m(sc, URTW_GPIO, URTW_GPIO_DATA_MAGIC1); urtw_write8_m(sc, URTW_GP_ENABLE, URTW_GP_ENABLE_DATA_MAGIC1); break; default: panic("unsupported LED PIN type 0x%x", sc->sc_gpio_ledpin); /* never reach */ } } else { panic("unsupported LED type 0x%x", type); /* never reach */ } sc->sc_gpio_ledon = 0; fail: return (error); } static usbd_status urtw_led_mode0(struct urtw_softc *sc, int mode) { switch (mode) { case URTW_LED_CTL_POWER_ON: sc->sc_gpio_ledstate = URTW_LED_POWER_ON_BLINK; break; case URTW_LED_CTL_TX: if (sc->sc_gpio_ledinprogress == 1) return (0); sc->sc_gpio_ledstate = URTW_LED_BLINK_NORMAL; sc->sc_gpio_blinktime = 2; break; case URTW_LED_CTL_LINK: sc->sc_gpio_ledstate = URTW_LED_ON; break; default: panic("unsupported LED mode 0x%x", mode); /* never reach */ } switch (sc->sc_gpio_ledstate) { case URTW_LED_ON: if (sc->sc_gpio_ledinprogress != 0) break; urtw_led_on(sc, URTW_LED_GPIO); break; case URTW_LED_BLINK_NORMAL: if (sc->sc_gpio_ledinprogress != 0) break; sc->sc_gpio_ledinprogress = 1; sc->sc_gpio_blinkstate = (sc->sc_gpio_ledon != 0) ? URTW_LED_OFF : URTW_LED_ON; callout_reset(&sc->sc_led_ch, hz, urtw_ledtask, sc); break; case URTW_LED_POWER_ON_BLINK: urtw_led_on(sc, URTW_LED_GPIO); usbd_delay_ms(sc->sc_udev, 100); urtw_led_off(sc, URTW_LED_GPIO); break; default: panic("unknown LED status 0x%x", sc->sc_gpio_ledstate); /* never reach */ } return (0); } static usbd_status urtw_led_mode1(struct urtw_softc *sc, int mode) { return (USBD_INVAL); } static usbd_status urtw_led_mode2(struct urtw_softc *sc, int mode) { return (USBD_INVAL); } static usbd_status urtw_led_mode3(struct urtw_softc *sc, int mode) { return (USBD_INVAL); } static usbd_status urtw_led_blink(struct urtw_softc *sc) { uint8_t ing = 0; usbd_status error; if (sc->sc_gpio_blinkstate == URTW_LED_ON) error = urtw_led_on(sc, URTW_LED_GPIO); else error = urtw_led_off(sc, URTW_LED_GPIO); sc->sc_gpio_blinktime--; if (sc->sc_gpio_blinktime == 0) ing = 1; else { if (sc->sc_gpio_ledstate != URTW_LED_BLINK_NORMAL && sc->sc_gpio_ledstate != URTW_LED_BLINK_SLOWLY && sc->sc_gpio_ledstate != URTW_LED_BLINK_CM3) ing = 1; } if (ing == 1) { if (sc->sc_gpio_ledstate == URTW_LED_ON && sc->sc_gpio_ledon == 0) error = urtw_led_on(sc, URTW_LED_GPIO); else if (sc->sc_gpio_ledstate == URTW_LED_OFF && sc->sc_gpio_ledon == 1) error = urtw_led_off(sc, URTW_LED_GPIO); sc->sc_gpio_blinktime = 0; sc->sc_gpio_ledinprogress = 0; return (0); } sc->sc_gpio_blinkstate = (sc->sc_gpio_blinkstate != URTW_LED_ON) ? URTW_LED_ON : URTW_LED_OFF; switch (sc->sc_gpio_ledstate) { case URTW_LED_BLINK_NORMAL: callout_reset(&sc->sc_led_ch, hz, urtw_ledtask, sc); break; default: panic("unknown LED status 0x%x", sc->sc_gpio_ledstate); /* never reach */ } return (0); } static void urtw_ledusbtask(void *arg) { struct urtw_softc *sc = arg; if (sc->sc_strategy != URTW_SW_LED_MODE0) panic("could not process a LED strategy 0x%x", sc->sc_strategy); urtw_led_blink(sc); } static void urtw_ledtask(void *arg) { struct urtw_softc *sc = arg; /* * NB: to change a status of the led we need at least a sleep so we * can't do it here */ usb_add_task(sc->sc_udev, &sc->sc_ledtask, USB_TASKQ_DRIVER); } static usbd_status urtw_led_ctl(struct urtw_softc *sc, int mode) { usbd_status error = 0; switch (sc->sc_strategy) { case URTW_SW_LED_MODE0: error = urtw_led_mode0(sc, mode); break; case URTW_SW_LED_MODE1: error = urtw_led_mode1(sc, mode); break; case URTW_SW_LED_MODE2: error = urtw_led_mode2(sc, mode); break; case URTW_SW_LED_MODE3: error = urtw_led_mode3(sc, mode); break; default: panic("unsupported LED mode %d\n", sc->sc_strategy); /* never reach */ } return (error); } static usbd_status urtw_update_msr(struct urtw_softc *sc) { struct ifnet *ifp = sc->sc_ifp; struct ieee80211com *ic = ifp->if_l2com; uint8_t data; usbd_status error; urtw_read8_m(sc, URTW_MSR, &data); data &= ~URTW_MSR_LINK_MASK; if (sc->sc_state == IEEE80211_S_RUN) { switch (ic->ic_opmode) { case IEEE80211_M_STA: case IEEE80211_M_MONITOR: data |= URTW_MSR_LINK_STA; break; case IEEE80211_M_IBSS: data |= URTW_MSR_LINK_ADHOC; break; case IEEE80211_M_HOSTAP: data |= URTW_MSR_LINK_HOSTAP; break; default: panic("unsupported operation mode 0x%x\n", ic->ic_opmode); /* never reach */ } } else data |= URTW_MSR_LINK_NONE; urtw_write8_m(sc, URTW_MSR, data); fail: return (error); } static uint16_t urtw_rate2rtl(int rate) { #define N(a) (sizeof(a) / sizeof((a)[0])) int i; for (i = 0; i < N(urtw_ratetable); i++) { if (rate == urtw_ratetable[i].reg) return urtw_ratetable[i].val; } return (3); #undef N } static uint16_t urtw_rtl2rate(int rate) { #define N(a) (sizeof(a) / sizeof((a)[0])) int i; for (i = 0; i < N(urtw_ratetable); i++) { if (rate == urtw_ratetable[i].val) return urtw_ratetable[i].reg; } return (0); #undef N } static usbd_status urtw_set_rate(struct urtw_softc *sc) { int i, basic_rate, min_rr_rate, max_rr_rate; uint16_t data; usbd_status error; basic_rate = urtw_rate2rtl(48); min_rr_rate = urtw_rate2rtl(12); max_rr_rate = urtw_rate2rtl(48); urtw_write8_m(sc, URTW_RESP_RATE, max_rr_rate << URTW_RESP_MAX_RATE_SHIFT | min_rr_rate << URTW_RESP_MIN_RATE_SHIFT); urtw_read16_m(sc, URTW_BRSR, &data); data &= ~URTW_BRSR_MBR_8185; for (i = 0; i <= basic_rate; i++) data |= (1 << i); urtw_write16_m(sc, URTW_BRSR, data); fail: return (error); } static usbd_status urtw_intr_enable(struct urtw_softc *sc) { usbd_status error; urtw_write16_m(sc, URTW_INTR_MASK, 0xffff); fail: return (error); } static usbd_status urtw_adapter_start(struct urtw_softc *sc) { struct ifnet *ifp = sc->sc_ifp; struct ieee80211com *ic = ifp->if_l2com; usbd_status error; error = urtw_reset(sc); if (error) goto fail; urtw_write8_m(sc, URTW_ADDR_MAGIC1, 0); urtw_write8_m(sc, URTW_GPIO, 0); /* for led */ urtw_write8_m(sc, URTW_ADDR_MAGIC1, 4); error = urtw_led_ctl(sc, URTW_LED_CTL_POWER_ON); if (error != 0) goto fail; error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG); if (error) goto fail; /* applying MAC address again. */ urtw_write32_m(sc, URTW_MAC0, ((uint32_t *)ic->ic_myaddr)[0]); urtw_write16_m(sc, URTW_MAC4, ((uint32_t *)ic->ic_myaddr)[1] & 0xffff); error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL); if (error) goto fail; error = urtw_update_msr(sc); if (error) goto fail; urtw_write32_m(sc, URTW_INT_TIMEOUT, 0); urtw_write8_m(sc, URTW_WPA_CONFIG, 0); urtw_write8_m(sc, URTW_RATE_FALLBACK, 0x81); error = urtw_set_rate(sc); if (error != 0) goto fail; error = sc->sc_rf_init(sc); if (error != 0) goto fail; if (sc->sc_rf_set_sens != NULL) sc->sc_rf_set_sens(sc, sc->sc_sens); /* XXX correct? to call write16 */ urtw_write16_m(sc, URTW_PSR, 1); urtw_write16_m(sc, URTW_ADDR_MAGIC2, 0x10); urtw_write8_m(sc, URTW_TALLY_SEL, 0x80); urtw_write8_m(sc, URTW_ADDR_MAGIC3, 0x60); /* XXX correct? to call write16 */ urtw_write16_m(sc, URTW_PSR, 0); urtw_write8_m(sc, URTW_ADDR_MAGIC1, 4); error = urtw_intr_enable(sc); if (error != 0) goto fail; fail: return (error); } static usbd_status urtw_rx_setconf(struct urtw_softc *sc) { struct ifnet *ifp = sc->sc_ifp; struct ieee80211com *ic = ifp->if_l2com; uint32_t data; usbd_status error; urtw_read32_m(sc, URTW_RX, &data); data = data &~ URTW_RX_FILTER_MASK; #if 0 data = data | URTW_RX_FILTER_CTL; #endif data = data | URTW_RX_FILTER_MNG | URTW_RX_FILTER_DATA; data = data | URTW_RX_FILTER_BCAST | URTW_RX_FILTER_MCAST; if (ic->ic_opmode == IEEE80211_M_MONITOR) { data = data | URTW_RX_FILTER_ICVERR; data = data | URTW_RX_FILTER_PWR; } if (sc->sc_crcmon == 1 && ic->ic_opmode == IEEE80211_M_MONITOR) data = data | URTW_RX_FILTER_CRCERR; if (ic->ic_opmode == IEEE80211_M_MONITOR || (ifp->if_flags & (IFF_ALLMULTI | IFF_PROMISC))) { data = data | URTW_RX_FILTER_ALLMAC; } else { data = data | URTW_RX_FILTER_NICMAC; data = data | URTW_RX_CHECK_BSSID; } data = data &~ URTW_RX_FIFO_THRESHOLD_MASK; data = data | URTW_RX_FIFO_THRESHOLD_NONE | URTW_RX_AUTORESETPHY; data = data &~ URTW_MAX_RX_DMA_MASK; data = data | URTW_MAX_RX_DMA_2048 | URTW_RCR_ONLYERLPKT; urtw_write32_m(sc, URTW_RX, data); fail: return (error); } static usbd_status urtw_rx_enable(struct urtw_softc *sc) { int i; struct urtw_data *rxdata; uint8_t data; usbd_status error; /* * Start up the receive pipe. */ for (i = 0; i < URTW_RX_DATA_LIST_COUNT; i++) { rxdata = &sc->sc_rxdata[i]; usbd_setup_xfer(rxdata->xfer, sc->sc_rxpipe, rxdata, rxdata->buf, MCLBYTES, USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, urtw_rxeof); error = usbd_transfer(rxdata->xfer); if (error != USBD_IN_PROGRESS && error != 0) { device_printf(sc->sc_dev, "could not queue Rx transfer\n"); goto fail; } } error = urtw_rx_setconf(sc); if (error != 0) goto fail; urtw_read8_m(sc, URTW_CMD, &data); urtw_write8_m(sc, URTW_CMD, data | URTW_CMD_RX_ENABLE); fail: return (error); } static usbd_status urtw_tx_enable(struct urtw_softc *sc) { uint8_t data8; uint32_t data; usbd_status error; urtw_read8_m(sc, URTW_CW_CONF, &data8); data8 &= ~(URTW_CW_CONF_PERPACKET_CW | URTW_CW_CONF_PERPACKET_RETRY); urtw_write8_m(sc, URTW_CW_CONF, data8); urtw_read8_m(sc, URTW_TX_AGC_CTL, &data8); data8 &= ~URTW_TX_AGC_CTL_PERPACKET_GAIN; data8 &= ~URTW_TX_AGC_CTL_PERPACKET_ANTSEL; data8 &= ~URTW_TX_AGC_CTL_FEEDBACK_ANT; urtw_write8_m(sc, URTW_TX_AGC_CTL, data8); urtw_read32_m(sc, URTW_TX_CONF, &data); data &= ~URTW_TX_LOOPBACK_MASK; data |= URTW_TX_LOOPBACK_NONE; data &= ~(URTW_TX_DPRETRY_MASK | URTW_TX_RTSRETRY_MASK); data |= sc->sc_tx_retry << URTW_TX_DPRETRY_SHIFT; data |= sc->sc_rts_retry << URTW_TX_RTSRETRY_SHIFT; data &= ~(URTW_TX_NOCRC | URTW_TX_MXDMA_MASK); data |= URTW_TX_MXDMA_2048 | URTW_TX_CWMIN | URTW_TX_DISCW; data &= ~URTW_TX_SWPLCPLEN; data |= URTW_TX_NOICV; urtw_write32_m(sc, URTW_TX_CONF, data); urtw_read8_m(sc, URTW_CMD, &data8); urtw_write8_m(sc, URTW_CMD, data8 | URTW_CMD_TX_ENABLE); fail: return (error); } static void urtw_init(void *arg) { int ret; struct urtw_softc *sc = arg; struct ifnet *ifp = sc->sc_ifp; usbd_status error; urtw_stop(ifp, 0); error = urtw_adapter_start(sc); if (error != 0) goto fail; /* reset softc variables */ sc->sc_txidx = sc->sc_tx_low_queued = sc->sc_tx_normal_queued = 0; sc->sc_txtimer = 0; if (!(sc->sc_flags & URTW_INIT_ONCE)) { error = usbd_set_config_no(sc->sc_udev, URTW_CONFIG_NO, 0); if (error != 0) { device_printf(sc->sc_dev, "could not set configuration no\n"); goto fail; } /* get the first interface handle */ error = usbd_device2interface_handle(sc->sc_udev, URTW_IFACE_INDEX, &sc->sc_iface); if (error != 0) { device_printf(sc->sc_dev, "could not get interface handle\n"); goto fail; } error = urtw_open_pipes(sc); if (error != 0) goto fail; ret = urtw_alloc_rx_data_list(sc); if (error != 0) goto fail; ret = urtw_alloc_tx_data_list(sc); if (error != 0) goto fail; sc->sc_flags |= URTW_INIT_ONCE; } error = urtw_rx_enable(sc); if (error != 0) goto fail; error = urtw_tx_enable(sc); if (error != 0) goto fail; ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; ifp->if_drv_flags |= IFF_DRV_RUNNING; callout_reset(&sc->sc_watchdog_ch, hz, urtw_watchdog, sc); fail: return; } static void urtw_set_multi(void *arg) { struct urtw_softc *sc = arg; struct ifnet *ifp = sc->sc_ifp; if (!(ifp->if_flags & IFF_UP)) return; /* * XXX don't know how to set a device. Lack of docs. Just try to set * IFF_ALLMULTI flag here. */ IF_ADDR_LOCK(ifp); ifp->if_flags |= IFF_ALLMULTI; IF_ADDR_UNLOCK(ifp); } static int urtw_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) { struct urtw_softc *sc = ifp->if_softc; struct ieee80211com *ic = ifp->if_l2com; struct ifreq *ifr = (struct ifreq *) data; int error = 0, startall = 0; switch (cmd) { case SIOCSIFFLAGS: mtx_lock(&Giant); if (ifp->if_flags & IFF_UP) { if (ifp->if_drv_flags & IFF_DRV_RUNNING) { if ((ifp->if_flags ^ sc->sc_if_flags) & (IFF_ALLMULTI | IFF_PROMISC)) urtw_set_multi(sc); } else { urtw_init(ifp->if_softc); startall = 1; } } else { if (ifp->if_drv_flags & IFF_DRV_RUNNING) urtw_stop(ifp, 1); } sc->sc_if_flags = ifp->if_flags; mtx_unlock(&Giant); if (startall) ieee80211_start_all(ic); break; case SIOCGIFMEDIA: error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); break; case SIOCGIFADDR: error = ether_ioctl(ifp, cmd, data); break; default: error = EINVAL; break; } return error; } static void urtw_start(struct ifnet *ifp) { struct urtw_softc *sc = ifp->if_softc; struct ieee80211_node *ni; struct mbuf *m; if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) return; URTW_LOCK(sc); for (;;) { IFQ_DRV_DEQUEUE(&ifp->if_snd, m); if (m == NULL) break; if (sc->sc_tx_low_queued >= URTW_TX_DATA_LIST_COUNT || sc->sc_tx_normal_queued >= URTW_TX_DATA_LIST_COUNT) { IFQ_DRV_PREPEND(&ifp->if_snd, m); ifp->if_drv_flags |= IFF_DRV_OACTIVE; break; } ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; m->m_pkthdr.rcvif = NULL; m = ieee80211_encap(ni, m); if (m == NULL) { ieee80211_free_node(ni); ifp->if_oerrors++; continue; } if (urtw_tx_start(sc, ni, m, URTW_PRIORITY_NORMAL) != 0) { ieee80211_free_node(ni); ifp->if_oerrors++; break; } sc->sc_txtimer = 5; } URTW_UNLOCK(sc); } static void urtw_txeof_low(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) { struct urtw_data *data = priv; struct urtw_softc *sc = data->sc; struct ifnet *ifp = sc->sc_ifp; struct mbuf *m; if (status != USBD_NORMAL_COMPLETION) { if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) return; device_printf(sc->sc_dev, "could not transmit buffer: %s\n", usbd_errstr(status)); if (status == USBD_STALLED) usbd_clear_endpoint_stall_async(sc->sc_txpipe_low); ifp->if_oerrors++; return; } /* * Do any tx complete callback. Note this must be done before releasing * the node reference. */ m = data->m; if (m != NULL && m->m_flags & M_TXCB) { ieee80211_process_callback(data->ni, m, 0); /* XXX status? */ m_freem(m); data->m = NULL; } ieee80211_free_node(data->ni); data->ni = NULL; sc->sc_txtimer = 0; ifp->if_opackets++; URTW_LOCK(sc); sc->sc_tx_low_queued--; ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; URTW_UNLOCK(sc); urtw_start(ifp); } static void urtw_txeof_normal(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) { struct urtw_data *data = priv; struct urtw_softc *sc = data->sc; struct ifnet *ifp = sc->sc_ifp; struct mbuf *m; if (status != USBD_NORMAL_COMPLETION) { if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) return; device_printf(sc->sc_dev, "could not transmit buffer: %s\n", usbd_errstr(status)); if (status == USBD_STALLED) usbd_clear_endpoint_stall_async(sc->sc_txpipe_normal); ifp->if_oerrors++; return; } /* * Do any tx complete callback. Note this must be done before releasing * the node reference. */ m = data->m; if (m != NULL && m->m_flags & M_TXCB) { ieee80211_process_callback(data->ni, m, 0); /* XXX status? */ m_freem(m); data->m = NULL; } ieee80211_free_node(data->ni); data->ni = NULL; sc->sc_txtimer = 0; ifp->if_opackets++; URTW_LOCK(sc); sc->sc_tx_normal_queued--; ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; URTW_UNLOCK(sc); urtw_start(ifp); } static int urtw_tx_start(struct urtw_softc *sc, struct ieee80211_node *ni, struct mbuf *m0, int prior) { int xferlen; struct ifnet *ifp = sc->sc_ifp; struct ieee80211_frame *wh = mtod(m0, struct ieee80211_frame *); struct ieee80211_key *k; const struct ieee80211_txparam *tp; struct ieee80211com *ic = ifp->if_l2com; struct ieee80211vap *vap = ni->ni_vap; struct urtw_data *data; usbd_status error; URTW_ASSERT_LOCKED(sc); /* * Software crypto. */ if (wh->i_fc[1] & IEEE80211_FC1_WEP) { k = ieee80211_crypto_encap(ni, m0); if (k == NULL) { device_printf(sc->sc_dev, "ieee80211_crypto_encap returns NULL.\n"); /* XXX we don't expect the fragmented frames */ m_freem(m0); return (ENOBUFS); } /* in case packet header moved, reset pointer */ wh = mtod(m0, struct ieee80211_frame *); } if (bpf_peers_present(ifp->if_bpf)) { struct urtw_tx_radiotap_header *tap = &sc->sc_txtap; /* XXX Are variables correct? */ tap->wt_flags = 0; tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); bpf_mtap2(ifp->if_bpf, tap, sc->sc_txtap_len, m0); } xferlen = m0->m_pkthdr.len + 4 * 3; if((0 == xferlen % 64) || (0 == xferlen % 512)) xferlen += 1; data = &sc->sc_txdata[sc->sc_txidx]; sc->sc_txidx = (sc->sc_txidx + 1) % URTW_TX_DATA_LIST_COUNT; bzero(data->buf, URTW_TX_MAXSIZE); data->buf[0] = m0->m_pkthdr.len & 0xff; data->buf[1] = (m0->m_pkthdr.len & 0x0f00) >> 8; data->buf[1] |= (1 << 7); if ((ic->ic_flags & IEEE80211_F_SHPREAMBLE) && (ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE) && (sc->sc_preamble_mode == URTW_PREAMBLE_MODE_SHORT) && (sc->sc_currate != 0)) data->buf[2] |= 1; if ((m0->m_pkthdr.len > vap->iv_rtsthreshold) && prior == URTW_PRIORITY_LOW) panic("TODO tx."); if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) data->buf[2] |= (1 << 1); /* RTS rate - 10 means we use a basic rate. */ data->buf[2] |= (urtw_rate2rtl(2) << 3); /* * XXX currently TX rate control depends on the rate value of * RX descriptor because I don't know how to we can control TX rate * in more smart way. Please fix me you find a thing. */ data->buf[3] = sc->sc_currate; if (prior == URTW_PRIORITY_NORMAL) { tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; if (IEEE80211_IS_MULTICAST(wh->i_addr1)) data->buf[3] = urtw_rate2rtl(tp->mcastrate); else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) data->buf[3] = urtw_rate2rtl(tp->ucastrate); } data->buf[8] = 3; /* CW minimum */ data->buf[8] |= (7 << 4); /* CW maximum */ data->buf[9] |= 11; /* retry limitation */ m_copydata(m0, 0, m0->m_pkthdr.len, (uint8_t *)&data->buf[12]); data->ni = ni; data->m = m0; usbd_setup_xfer(data->xfer, (prior == URTW_PRIORITY_LOW) ? sc->sc_txpipe_low : sc->sc_txpipe_normal, data, data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, URTW_DATA_TIMEOUT, (prior == URTW_PRIORITY_LOW) ? urtw_txeof_low : urtw_txeof_normal); error = usbd_transfer(data->xfer); if (error != USBD_IN_PROGRESS && error != USBD_NORMAL_COMPLETION) { device_printf(sc->sc_dev, "could not send frame: %s\n", usbd_errstr(error)); return EIO; } error = urtw_led_ctl(sc, URTW_LED_CTL_TX); if (error != 0) device_printf(sc->sc_dev, "could not control LED (%d)\n", error); if (prior == URTW_PRIORITY_LOW) sc->sc_tx_low_queued++; else sc->sc_tx_normal_queued++; return (0); } static int urtw_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, const struct ieee80211_bpf_params *params) { struct ieee80211com *ic = ni->ni_ic; struct ifnet *ifp = ic->ic_ifp; struct urtw_softc *sc = ifp->if_softc; /* prevent management frames from being sent if we're not ready */ if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { m_freem(m); ieee80211_free_node(ni); return ENETDOWN; } URTW_LOCK(sc); if (sc->sc_tx_low_queued >= URTW_TX_DATA_LIST_COUNT || sc->sc_tx_normal_queued >= URTW_TX_DATA_LIST_COUNT) { ifp->if_drv_flags |= IFF_DRV_OACTIVE; m_freem(m); ieee80211_free_node(ni); URTW_UNLOCK(sc); return (ENOBUFS); /* XXX */ } ifp->if_opackets++; if (urtw_tx_start(sc, ni, m, URTW_PRIORITY_LOW) != 0) { ieee80211_free_node(ni); ifp->if_oerrors++; URTW_UNLOCK(sc); return (EIO); } sc->sc_txtimer = 5; URTW_UNLOCK(sc); return (0); } static void urtw_scan_start(struct ieee80211com *ic) { /* XXX do nothing? */ } static void urtw_scan_end(struct ieee80211com *ic) { /* XXX do nothing? */ } static void urtw_set_channel(struct ieee80211com *ic) { struct urtw_softc *sc = ic->ic_ifp->if_softc; struct ifnet *ifp = sc->sc_ifp; /* * if the user set a channel explicitly using ifconfig(8) this function * can be called earlier than we're expected that in some cases the * initialization would be failed if setting a channel is called before * the init have done. */ if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) return; sc->sc_ctxarg = URTW_SET_CHANNEL; usb_add_task(sc->sc_udev, &sc->sc_ctxtask, USB_TASKQ_DRIVER); } static void urtw_update_mcast(struct ifnet *ifp) { /* XXX do nothing? */ } static usbd_status urtw_8225_usb_init(struct urtw_softc *sc) { uint8_t data; usbd_status error; urtw_write8_m(sc, URTW_RF_PINS_SELECT + 1, 0); urtw_write8_m(sc, URTW_GPIO, 0); error = urtw_read8e(sc, 0x53, &data); if (error) goto fail; error = urtw_write8e(sc, 0x53, data | (1 << 7)); if (error) goto fail; urtw_write8_m(sc, URTW_RF_PINS_SELECT + 1, 4); urtw_write8_m(sc, URTW_GPIO, 0x20); urtw_write8_m(sc, URTW_GP_ENABLE, 0); urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, 0x80); urtw_write16_m(sc, URTW_RF_PINS_SELECT, 0x80); urtw_write16_m(sc, URTW_RF_PINS_ENABLE, 0x80); usbd_delay_ms(sc->sc_udev, 500); fail: return (error); } static usbd_status urtw_8185_rf_pins_enable(struct urtw_softc *sc) { usbd_status error = 0; urtw_write16_m(sc, URTW_RF_PINS_ENABLE, 0x1ff7); fail: return (error); } static usbd_status urtw_8187_write_phy(struct urtw_softc *sc, uint8_t addr, uint32_t data) { uint32_t phyw; usbd_status error; phyw = ((data << 8) | (addr | 0x80)); urtw_write8_m(sc, URTW_PHY_MAGIC4, ((phyw & 0xff000000) >> 24)); urtw_write8_m(sc, URTW_PHY_MAGIC3, ((phyw & 0x00ff0000) >> 16)); urtw_write8_m(sc, URTW_PHY_MAGIC2, ((phyw & 0x0000ff00) >> 8)); urtw_write8_m(sc, URTW_PHY_MAGIC1, ((phyw & 0x000000ff))); usbd_delay_ms(sc->sc_udev, 1); fail: return (error); } static usbd_status urtw_8187_write_phy_ofdm_c(struct urtw_softc *sc, uint8_t addr, uint32_t data) { data = data & 0xff; return urtw_8187_write_phy(sc, addr, data); } static usbd_status urtw_8187_write_phy_cck_c(struct urtw_softc *sc, uint8_t addr, uint32_t data) { data = data & 0xff; return urtw_8187_write_phy(sc, addr, data | 0x10000); } static usbd_status urtw_8225_setgain(struct urtw_softc *sc, int16_t gain) { usbd_status error; urtw_8187_write_phy_ofdm(sc, 0x0d, urtw_8225_gain[gain * 4]); urtw_8187_write_phy_ofdm(sc, 0x1b, urtw_8225_gain[gain * 4 + 2]); urtw_8187_write_phy_ofdm(sc, 0x1d, urtw_8225_gain[gain * 4 + 3]); urtw_8187_write_phy_ofdm(sc, 0x23, urtw_8225_gain[gain * 4 + 1]); fail: return (error); } static usbd_status urtw_8225_set_txpwrlvl(struct urtw_softc *sc, int chan) { int i, idx, set; uint8_t *cck_pwltable; uint8_t cck_pwrlvl_max, ofdm_pwrlvl_min, ofdm_pwrlvl_max; uint8_t cck_pwrlvl = sc->sc_txpwr_cck[chan] & 0xff; uint8_t ofdm_pwrlvl = sc->sc_txpwr_ofdm[chan] & 0xff; usbd_status error; cck_pwrlvl_max = 11; ofdm_pwrlvl_max = 25; /* 12 -> 25 */ ofdm_pwrlvl_min = 10; /* CCK power setting */ cck_pwrlvl = (cck_pwrlvl > cck_pwrlvl_max) ? cck_pwrlvl_max : cck_pwrlvl; idx = cck_pwrlvl % 6; set = cck_pwrlvl / 6; cck_pwltable = (chan == 14) ? urtw_8225_txpwr_cck_ch14 : urtw_8225_txpwr_cck; urtw_write8_m(sc, URTW_TX_GAIN_CCK, urtw_8225_tx_gain_cck_ofdm[set] >> 1); for (i = 0; i < 8; i++) { urtw_8187_write_phy_cck(sc, 0x44 + i, cck_pwltable[idx * 8 + i]); } usbd_delay_ms(sc->sc_udev, 1); /* OFDM power setting */ ofdm_pwrlvl = (ofdm_pwrlvl > (ofdm_pwrlvl_max - ofdm_pwrlvl_min)) ? ofdm_pwrlvl_max : ofdm_pwrlvl + ofdm_pwrlvl_min; ofdm_pwrlvl = (ofdm_pwrlvl > 35) ? 35 : ofdm_pwrlvl; idx = ofdm_pwrlvl % 6; set = ofdm_pwrlvl / 6; error = urtw_8185_set_anaparam2(sc, URTW_8225_ANAPARAM2_ON); if (error) goto fail; urtw_8187_write_phy_ofdm(sc, 2, 0x42); urtw_8187_write_phy_ofdm(sc, 6, 0); urtw_8187_write_phy_ofdm(sc, 8, 0); urtw_write8_m(sc, URTW_TX_GAIN_OFDM, urtw_8225_tx_gain_cck_ofdm[set] >> 1); urtw_8187_write_phy_ofdm(sc, 0x5, urtw_8225_txpwr_ofdm[idx]); urtw_8187_write_phy_ofdm(sc, 0x7, urtw_8225_txpwr_ofdm[idx]); usbd_delay_ms(sc->sc_udev, 1); fail: return (error); } static usbd_status urtw_8185_tx_antenna(struct urtw_softc *sc, uint8_t ant) { usbd_status error; urtw_write8_m(sc, URTW_TX_ANTENNA, ant); usbd_delay_ms(sc->sc_udev, 1); fail: return (error); } static usbd_status urtw_8225_rf_init(struct urtw_softc *sc) { #define N(a) (sizeof(a) / sizeof((a)[0])) int i; uint16_t data; usbd_status error; error = urtw_8180_set_anaparam(sc, URTW_8225_ANAPARAM_ON); if (error) goto fail; error = urtw_8225_usb_init(sc); if (error) goto fail; urtw_write32_m(sc, URTW_RF_TIMING, 0x000a8008); urtw_read16_m(sc, URTW_BRSR, &data); /* XXX ??? */ urtw_write16_m(sc, URTW_BRSR, 0xffff); urtw_write32_m(sc, URTW_RF_PARA, 0x100044); error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG); if (error) goto fail; urtw_write8_m(sc, URTW_CONFIG3, 0x44); error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL); if (error) goto fail; error = urtw_8185_rf_pins_enable(sc); if (error) goto fail; usbd_delay_ms(sc->sc_udev, 1000); for (i = 0; i < N(urtw_8225_rf_part1); i++) { urtw_8225_write(sc, urtw_8225_rf_part1[i].reg, urtw_8225_rf_part1[i].val); usbd_delay_ms(sc->sc_udev, 1); } usbd_delay_ms(sc->sc_udev, 100); urtw_8225_write(sc, URTW_8225_ADDR_2_MAGIC, URTW_8225_ADDR_2_DATA_MAGIC1); usbd_delay_ms(sc->sc_udev, 200); urtw_8225_write(sc, URTW_8225_ADDR_2_MAGIC, URTW_8225_ADDR_2_DATA_MAGIC2); usbd_delay_ms(sc->sc_udev, 200); urtw_8225_write(sc, URTW_8225_ADDR_0_MAGIC, URTW_8225_ADDR_0_DATA_MAGIC3); for (i = 0; i < 95; i++) { urtw_8225_write(sc, URTW_8225_ADDR_1_MAGIC, (uint8_t)(i + 1)); urtw_8225_write(sc, URTW_8225_ADDR_2_MAGIC, urtw_8225_rxgain[i]); } urtw_8225_write(sc, URTW_8225_ADDR_0_MAGIC, URTW_8225_ADDR_0_DATA_MAGIC4); urtw_8225_write(sc, URTW_8225_ADDR_0_MAGIC, URTW_8225_ADDR_0_DATA_MAGIC5); for (i = 0; i < 128; i++) { urtw_8187_write_phy_ofdm(sc, 0xb, urtw_8225_agc[i]); usbd_delay_ms(sc->sc_udev, 1); urtw_8187_write_phy_ofdm(sc, 0xa, (uint8_t)i + 0x80); usbd_delay_ms(sc->sc_udev, 1); } for (i = 0; i < N(urtw_8225_rf_part2); i++) { urtw_8187_write_phy_ofdm(sc, urtw_8225_rf_part2[i].reg, urtw_8225_rf_part2[i].val); usbd_delay_ms(sc->sc_udev, 1); } error = urtw_8225_setgain(sc, 4); if (error) goto fail; for (i = 0; i < N(urtw_8225_rf_part3); i++) { urtw_8187_write_phy_cck(sc, urtw_8225_rf_part3[i].reg, urtw_8225_rf_part3[i].val); usbd_delay_ms(sc->sc_udev, 1); } urtw_write8_m(sc, URTW_ADDR_MAGIC4, 0x0d); error = urtw_8225_set_txpwrlvl(sc, 1); if (error) goto fail; urtw_8187_write_phy_cck(sc, 0x10, 0x9b); usbd_delay_ms(sc->sc_udev, 1); urtw_8187_write_phy_ofdm(sc, 0x26, 0x90); usbd_delay_ms(sc->sc_udev, 1); /* TX ant A, 0x0 for B */ error = urtw_8185_tx_antenna(sc, 0x3); if (error) goto fail; urtw_write32_m(sc, URTW_ADDR_MAGIC5, 0x3dc00002); error = urtw_8225_rf_set_chan(sc, 1); fail: return (error); #undef N } static usbd_status urtw_8225_rf_set_chan(struct urtw_softc *sc, int chan) { struct ieee80211com *ic = sc->sc_ifp->if_l2com; struct ieee80211_channel *c = ic->ic_curchan; usbd_status error; error = urtw_8225_set_txpwrlvl(sc, chan); if (error) goto fail; urtw_8225_write(sc, URTW_8225_ADDR_7_MAGIC, urtw_8225_channel[chan]); usbd_delay_ms(sc->sc_udev, 10); urtw_write8_m(sc, URTW_SIFS, 0x22); if (sc->sc_state == IEEE80211_S_ASSOC && ic->ic_flags & IEEE80211_F_SHSLOT) urtw_write8_m(sc, URTW_SLOT, 0x9); else urtw_write8_m(sc, URTW_SLOT, 0x14); if (IEEE80211_IS_CHAN_G(c)) { /* for G */ urtw_write8_m(sc, URTW_DIFS, 0x14); urtw_write8_m(sc, URTW_EIFS, 0x5b - 0x14); urtw_write8_m(sc, URTW_CW_VAL, 0x73); } else { /* for B */ urtw_write8_m(sc, URTW_DIFS, 0x24); urtw_write8_m(sc, URTW_EIFS, 0x5b - 0x24); urtw_write8_m(sc, URTW_CW_VAL, 0xa5); } fail: return (error); } static usbd_status urtw_8225_rf_set_sens(struct urtw_softc *sc, int sens) { usbd_status error; if (sens < 0 || sens > 6) return -1; if (sens > 4) urtw_8225_write(sc, URTW_8225_ADDR_C_MAGIC, URTW_8225_ADDR_C_DATA_MAGIC1); else urtw_8225_write(sc, URTW_8225_ADDR_C_MAGIC, URTW_8225_ADDR_C_DATA_MAGIC2); sens = 6 - sens; error = urtw_8225_setgain(sc, sens); if (error) goto fail; urtw_8187_write_phy_cck(sc, 0x41, urtw_8225_threshold[sens]); fail: return (error); } static void urtw_stop(struct ifnet *ifp, int disable) { struct urtw_softc *sc = ifp->if_softc; ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); callout_stop(&sc->sc_led_ch); callout_stop(&sc->sc_watchdog_ch); if (sc->sc_rxpipe != NULL) usbd_abort_pipe(sc->sc_rxpipe); if (sc->sc_txpipe_low != NULL) usbd_abort_pipe(sc->sc_txpipe_low); if (sc->sc_txpipe_normal != NULL) usbd_abort_pipe(sc->sc_txpipe_normal); } static int urtw_isbmode(uint16_t rate) { rate = urtw_rtl2rate(rate); return ((rate <= 22 && rate != 12 && rate != 18) || rate == 44) ? (1) : (0); } static void urtw_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) { int actlen, flen, len, nf, rssi; struct ieee80211_frame *wh; struct ieee80211_node *ni; struct mbuf *m, *mnew; struct urtw_data *data = priv; struct urtw_softc *sc = data->sc; struct ifnet *ifp = sc->sc_ifp; struct ieee80211com *ic = ifp->if_l2com; uint8_t *desc, quality, rate; usbd_status error; if (status != USBD_NORMAL_COMPLETION) { if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) return; if (status == USBD_STALLED) usbd_clear_endpoint_stall_async(sc->sc_rxpipe); ifp->if_ierrors++; goto skip; } usbd_get_xfer_status(xfer, NULL, NULL, &actlen, NULL); if (actlen < URTW_MIN_RXBUFSZ) { ifp->if_ierrors++; goto skip; } /* 4 dword and 4 byte CRC */ len = actlen - (4 * 4); desc = data->buf + len; flen = ((desc[1] & 0x0f) << 8) + (desc[0] & 0xff); if (flen > actlen) { ifp->if_ierrors++; goto skip; } rate = (desc[2] & 0xf0) >> 4; quality = desc[4] & 0xff; /* XXX correct? */ rssi = (desc[6] & 0xfe) >> 1; if (!urtw_isbmode(rate)) { rssi = (rssi > 90) ? 90 : ((rssi < 25) ? 25 : rssi); rssi = ((90 - rssi) * 100) / 65; } else { rssi = (rssi > 90) ? 95 : ((rssi < 30) ? 30 : rssi); rssi = ((95 - rssi) * 100) / 65; } mnew = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); if (mnew == NULL) { ifp->if_ierrors++; goto skip; } m = data->m; data->m = mnew; data->buf = mtod(mnew, uint8_t *); /* finalize mbuf */ m->m_pkthdr.rcvif = ifp; m->m_pkthdr.len = m->m_len = flen - 4; if (bpf_peers_present(ifp->if_bpf)) { struct urtw_rx_radiotap_header *tap = &sc->sc_rxtap; /* XXX Are variables correct? */ tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); tap->wr_dbm_antsignal = (int8_t)rssi; bpf_mtap2(ifp->if_bpf, tap, sc->sc_rxtap_len, m); } wh = mtod(m, struct ieee80211_frame *); if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_DATA) sc->sc_currate = (rate > 0) ? rate : sc->sc_currate; ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); /* XXX correct? */ nf = (quality > 64) ? 0 : ((64 - quality) * 100) / 64; /* send the frame to the 802.11 layer */ if (ni != NULL) { (void) ieee80211_input(ni, m, rssi, -nf, 0); /* node is no longer needed */ ieee80211_free_node(ni); } else (void) ieee80211_input_all(ic, m, rssi, -nf, 0); skip: /* setup a new transfer */ usbd_setup_xfer(xfer, sc->sc_rxpipe, data, data->buf, MCLBYTES, USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, urtw_rxeof); error = usbd_transfer(xfer); if (error != USBD_IN_PROGRESS && error != 0) device_printf(sc->sc_dev, "could not queue Rx transfer\n"); } static int urtw_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) { struct urtw_vap *rvp = URTW_VAP(vap); struct ieee80211com *ic = vap->iv_ic; struct urtw_softc *sc = ic->ic_ifp->if_softc; DPRINTF(sc, URTW_DEBUG_STATE, "%s: %s -> %s\n", __func__, ieee80211_state_name[vap->iv_state], ieee80211_state_name[nstate]); /* do it in a process context */ sc->sc_state = nstate; sc->sc_arg = arg; if (nstate == IEEE80211_S_INIT) { rvp->newstate(vap, nstate, arg); return (0); } else { usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER); return (EINPROGRESS); } } static usbd_status urtw_8225v2_setgain(struct urtw_softc *sc, int16_t gain) { uint8_t *gainp; usbd_status error; /* XXX for A? */ gainp = urtw_8225v2_gain_bg; urtw_8187_write_phy_ofdm(sc, 0x0d, gainp[gain * 3]); usbd_delay_ms(sc->sc_udev, 1); urtw_8187_write_phy_ofdm(sc, 0x1b, gainp[gain * 3 + 1]); usbd_delay_ms(sc->sc_udev, 1); urtw_8187_write_phy_ofdm(sc, 0x1d, gainp[gain * 3 + 2]); usbd_delay_ms(sc->sc_udev, 1); urtw_8187_write_phy_ofdm(sc, 0x21, 0x17); usbd_delay_ms(sc->sc_udev, 1); fail: return (error); } static usbd_status urtw_8225v2_set_txpwrlvl(struct urtw_softc *sc, int chan) { int i; uint8_t *cck_pwrtable; uint8_t cck_pwrlvl_max = 15, ofdm_pwrlvl_max = 25, ofdm_pwrlvl_min = 10; uint8_t cck_pwrlvl = sc->sc_txpwr_cck[chan] & 0xff; uint8_t ofdm_pwrlvl = sc->sc_txpwr_ofdm[chan] & 0xff; usbd_status error; /* CCK power setting */ cck_pwrlvl = (cck_pwrlvl > cck_pwrlvl_max) ? cck_pwrlvl_max : cck_pwrlvl; cck_pwrlvl += sc->sc_txpwr_cck_base; cck_pwrlvl = (cck_pwrlvl > 35) ? 35 : cck_pwrlvl; cck_pwrtable = (chan == 14) ? urtw_8225v2_txpwr_cck_ch14 : urtw_8225v2_txpwr_cck; for (i = 0; i < 8; i++) urtw_8187_write_phy_cck(sc, 0x44 + i, cck_pwrtable[i]); urtw_write8_m(sc, URTW_TX_GAIN_CCK, urtw_8225v2_tx_gain_cck_ofdm[cck_pwrlvl]); usbd_delay_ms(sc->sc_udev, 1); /* OFDM power setting */ ofdm_pwrlvl = (ofdm_pwrlvl > (ofdm_pwrlvl_max - ofdm_pwrlvl_min)) ? ofdm_pwrlvl_max : ofdm_pwrlvl + ofdm_pwrlvl_min; ofdm_pwrlvl += sc->sc_txpwr_ofdm_base; ofdm_pwrlvl = (ofdm_pwrlvl > 35) ? 35 : ofdm_pwrlvl; error = urtw_8185_set_anaparam2(sc, URTW_8225_ANAPARAM2_ON); if (error) goto fail; urtw_8187_write_phy_ofdm(sc, 2, 0x42); urtw_8187_write_phy_ofdm(sc, 5, 0x0); urtw_8187_write_phy_ofdm(sc, 6, 0x40); urtw_8187_write_phy_ofdm(sc, 7, 0x0); urtw_8187_write_phy_ofdm(sc, 8, 0x40); urtw_write8_m(sc, URTW_TX_GAIN_OFDM, urtw_8225v2_tx_gain_cck_ofdm[ofdm_pwrlvl]); usbd_delay_ms(sc->sc_udev, 1); fail: return (error); } static usbd_status urtw_8225v2_rf_init(struct urtw_softc *sc) { #define N(a) (sizeof(a) / sizeof((a)[0])) int i; uint16_t data; uint32_t data32; usbd_status error; error = urtw_8180_set_anaparam(sc, URTW_8225_ANAPARAM_ON); if (error) goto fail; error = urtw_8225_usb_init(sc); if (error) goto fail; urtw_write32_m(sc, URTW_RF_TIMING, 0x000a8008); urtw_read16_m(sc, URTW_BRSR, &data); /* XXX ??? */ urtw_write16_m(sc, URTW_BRSR, 0xffff); urtw_write32_m(sc, URTW_RF_PARA, 0x100044); error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG); if (error) goto fail; urtw_write8_m(sc, URTW_CONFIG3, 0x44); error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL); if (error) goto fail; error = urtw_8185_rf_pins_enable(sc); if (error) goto fail; usbd_delay_ms(sc->sc_udev, 500); for (i = 0; i < N(urtw_8225v2_rf_part1); i++) { urtw_8225_write(sc, urtw_8225v2_rf_part1[i].reg, urtw_8225v2_rf_part1[i].val); } usbd_delay_ms(sc->sc_udev, 50); urtw_8225_write(sc, URTW_8225_ADDR_0_MAGIC, URTW_8225_ADDR_0_DATA_MAGIC1); for (i = 0; i < 95; i++) { urtw_8225_write(sc, URTW_8225_ADDR_1_MAGIC, (uint8_t)(i + 1)); urtw_8225_write(sc, URTW_8225_ADDR_2_MAGIC, urtw_8225v2_rxgain[i]); } urtw_8225_write(sc, URTW_8225_ADDR_3_MAGIC, URTW_8225_ADDR_3_DATA_MAGIC1); urtw_8225_write(sc, URTW_8225_ADDR_5_MAGIC, URTW_8225_ADDR_5_DATA_MAGIC1); urtw_8225_write(sc, URTW_8225_ADDR_0_MAGIC, URTW_8225_ADDR_0_DATA_MAGIC2); urtw_8225_write(sc, URTW_8225_ADDR_2_MAGIC, URTW_8225_ADDR_2_DATA_MAGIC1); usbd_delay_ms(sc->sc_udev, 100); urtw_8225_write(sc, URTW_8225_ADDR_2_MAGIC, URTW_8225_ADDR_2_DATA_MAGIC2); usbd_delay_ms(sc->sc_udev, 100); error = urtw_8225_read(sc, URTW_8225_ADDR_6_MAGIC, &data32); if (error != 0) goto fail; if (data32 != URTW_8225_ADDR_6_DATA_MAGIC1) device_printf(sc->sc_dev, "expect 0xe6!! (0x%x)\n", data32); if (!(data32 & URTW_8225_ADDR_6_DATA_MAGIC2)) { urtw_8225_write(sc, URTW_8225_ADDR_2_MAGIC, URTW_8225_ADDR_2_DATA_MAGIC1); usbd_delay_ms(sc->sc_udev, 100); urtw_8225_write(sc, URTW_8225_ADDR_2_MAGIC, URTW_8225_ADDR_2_DATA_MAGIC2); usbd_delay_ms(sc->sc_udev, 50); error = urtw_8225_read(sc, URTW_8225_ADDR_6_MAGIC, &data32); if (error != 0) goto fail; if (!(data32 & URTW_8225_ADDR_6_DATA_MAGIC2)) device_printf(sc->sc_dev, "RF calibration failed\n"); } usbd_delay_ms(sc->sc_udev, 100); urtw_8225_write(sc, URTW_8225_ADDR_0_MAGIC, URTW_8225_ADDR_0_DATA_MAGIC6); for (i = 0; i < 128; i++) { urtw_8187_write_phy_ofdm(sc, 0xb, urtw_8225_agc[i]); urtw_8187_write_phy_ofdm(sc, 0xa, (uint8_t)i + 0x80); } for (i = 0; i < N(urtw_8225v2_rf_part2); i++) { urtw_8187_write_phy_ofdm(sc, urtw_8225v2_rf_part2[i].reg, urtw_8225v2_rf_part2[i].val); } error = urtw_8225v2_setgain(sc, 4); if (error) goto fail; for (i = 0; i < N(urtw_8225v2_rf_part3); i++) { urtw_8187_write_phy_cck(sc, urtw_8225v2_rf_part3[i].reg, urtw_8225v2_rf_part3[i].val); } urtw_write8_m(sc, URTW_ADDR_MAGIC4, 0x0d); error = urtw_8225v2_set_txpwrlvl(sc, 1); if (error) goto fail; urtw_8187_write_phy_cck(sc, 0x10, 0x9b); urtw_8187_write_phy_ofdm(sc, 0x26, 0x90); /* TX ant A, 0x0 for B */ error = urtw_8185_tx_antenna(sc, 0x3); if (error) goto fail; urtw_write32_m(sc, URTW_ADDR_MAGIC5, 0x3dc00002); error = urtw_8225_rf_set_chan(sc, 1); fail: return (error); #undef N } static usbd_status urtw_8225v2_rf_set_chan(struct urtw_softc *sc, int chan) { struct ieee80211com *ic = sc->sc_ifp->if_l2com; struct ieee80211_channel *c = ic->ic_curchan; usbd_status error; error = urtw_8225v2_set_txpwrlvl(sc, chan); if (error) goto fail; urtw_8225_write(sc, URTW_8225_ADDR_7_MAGIC, urtw_8225_channel[chan]); usbd_delay_ms(sc->sc_udev, 10); urtw_write8_m(sc, URTW_SIFS, 0x22); if(sc->sc_state == IEEE80211_S_ASSOC && ic->ic_flags & IEEE80211_F_SHSLOT) urtw_write8_m(sc, URTW_SLOT, 0x9); else urtw_write8_m(sc, URTW_SLOT, 0x14); if (IEEE80211_IS_CHAN_G(c)) { /* for G */ urtw_write8_m(sc, URTW_DIFS, 0x14); urtw_write8_m(sc, URTW_EIFS, 0x5b - 0x14); urtw_write8_m(sc, URTW_CW_VAL, 0x73); } else { /* for B */ urtw_write8_m(sc, URTW_DIFS, 0x24); urtw_write8_m(sc, URTW_EIFS, 0x5b - 0x24); urtw_write8_m(sc, URTW_CW_VAL, 0xa5); } fail: return (error); } static void urtw_ctxtask(void *arg) { struct urtw_softc *sc = arg; struct ifnet *ifp = sc->sc_ifp; struct ieee80211com *ic = ifp->if_l2com; uint32_t data; usbd_status error; switch (sc->sc_ctxarg) { case URTW_SET_CHANNEL: /* * during changing th channel we need to temporarily be disable * TX. */ urtw_read32_m(sc, URTW_TX_CONF, &data); data &= ~URTW_TX_LOOPBACK_MASK; urtw_write32_m(sc, URTW_TX_CONF, data | URTW_TX_LOOPBACK_MAC); error = sc->sc_rf_set_chan(sc, ieee80211_chan2ieee(ic, ic->ic_curchan)); if (error != 0) goto fail; usbd_delay_ms(sc->sc_udev, 10); urtw_write32_m(sc, URTW_TX_CONF, data | URTW_TX_LOOPBACK_NONE); break; default: panic("unknown argument.\n"); } fail: if (error != 0) device_printf(sc->sc_dev, "could not change the channel\n"); return; } static void urtw_task(void *arg) { struct urtw_softc *sc = arg; struct ifnet *ifp = sc->sc_ifp; struct ieee80211com *ic = ifp->if_l2com; struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); struct ieee80211_node *ni = vap->iv_bss; struct urtw_vap *uvp = URTW_VAP(vap); usbd_status error = 0; switch (sc->sc_state) { case IEEE80211_S_RUN: /* setting bssid. */ urtw_write32_m(sc, URTW_BSSID, ((uint32_t *)ni->ni_bssid)[0]); urtw_write16_m(sc, URTW_BSSID + 4, ((uint16_t *)ni->ni_bssid)[2]); urtw_update_msr(sc); /* XXX maybe the below would be incorrect. */ urtw_write16_m(sc, URTW_ATIM_WND, 2); urtw_write16_m(sc, URTW_ATIM_TR_ITV, 100); urtw_write16_m(sc, URTW_BEACON_INTERVAL, 0x64); urtw_write16_m(sc, URTW_BEACON_INTERVAL_TIME, 100); error = urtw_led_ctl(sc, URTW_LED_CTL_LINK); if (error != 0) device_printf(sc->sc_dev, "could not control LED (%d)\n", error); break; default: break; } fail: if (error != 0) printf("error duing processing RUN state."); IEEE80211_LOCK(ic); uvp->newstate(vap, sc->sc_state, sc->sc_arg); if (vap->iv_newstate_cb != NULL) vap->iv_newstate_cb(vap, sc->sc_state, sc->sc_arg); IEEE80211_UNLOCK(ic); } static void urtw_watchdog(void *arg) { struct urtw_softc *sc = arg; struct ifnet *ifp = sc->sc_ifp; if (sc->sc_txtimer > 0) { if (--sc->sc_txtimer == 0) { device_printf(sc->sc_dev, "device timeout\n"); ifp->if_oerrors++; return; } callout_reset(&sc->sc_watchdog_ch, hz, urtw_watchdog, sc); } } static device_method_t urtw_methods[] = { DEVMETHOD(device_probe, urtw_match), DEVMETHOD(device_attach, urtw_attach), DEVMETHOD(device_detach, urtw_detach), { 0, 0 } }; static driver_t urtw_driver = { "urtw", urtw_methods, sizeof(struct urtw_softc) }; static devclass_t urtw_devclass; DRIVER_MODULE(urtw, uhub, urtw_driver, urtw_devclass, usbd_driver_load, 0); MODULE_DEPEND(urtw, wlan, 1, 1, 1); MODULE_DEPEND(urtw, usb, 1, 1, 1);