diff options
Diffstat (limited to 'sys/dev/usb2/wlan/if_rum2.c')
| -rw-r--r-- | sys/dev/usb2/wlan/if_rum2.c | 2436 |
1 files changed, 0 insertions, 2436 deletions
diff --git a/sys/dev/usb2/wlan/if_rum2.c b/sys/dev/usb2/wlan/if_rum2.c deleted file mode 100644 index 6b702fa..0000000 --- a/sys/dev/usb2/wlan/if_rum2.c +++ /dev/null @@ -1,2436 +0,0 @@ -/* $FreeBSD$ */ - -/*- - * Copyright (c) 2005-2007 Damien Bergamini <damien.bergamini@free.fr> - * Copyright (c) 2006 Niall O'Higgins <niallo@openbsd.org> - * Copyright (c) 2007-2008 Hans Petter Selasky <hselasky@freebsd.org> - * - * 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 <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -/*- - * Ralink Technology RT2501USB/RT2601USB chipset driver - * http://www.ralinktech.com.tw/ - */ - -#include "usbdevs.h" -#include <dev/usb2/include/usb2_standard.h> -#include <dev/usb2/include/usb2_mfunc.h> -#include <dev/usb2/include/usb2_error.h> - -#define USB_DEBUG_VAR rum_debug - -#include <dev/usb2/core/usb2_core.h> -#include <dev/usb2/core/usb2_lookup.h> -#include <dev/usb2/core/usb2_process.h> -#include <dev/usb2/core/usb2_debug.h> -#include <dev/usb2/core/usb2_request.h> -#include <dev/usb2/core/usb2_busdma.h> -#include <dev/usb2/core/usb2_util.h> - -#include <dev/usb2/wlan/usb2_wlan.h> -#include <dev/usb2/wlan/if_rumreg.h> -#include <dev/usb2/wlan/if_rumvar.h> -#include <dev/usb2/wlan/if_rumfw.h> - -#if USB_DEBUG -static int rum_debug = 0; - -SYSCTL_NODE(_hw_usb2, OID_AUTO, rum, CTLFLAG_RW, 0, "USB rum"); -SYSCTL_INT(_hw_usb2_rum, OID_AUTO, debug, CTLFLAG_RW, &rum_debug, 0, - "Debug level"); -#endif - -#define rum_do_request(sc,req,data) \ - usb2_do_request_proc((sc)->sc_udev, &(sc)->sc_tq, req, data, 0, NULL, 5000) - -static const struct usb2_device_id rum_devs[] = { - { USB_VP(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_HWU54DM) }, - { USB_VP(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_RT2573_2) }, - { USB_VP(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_RT2573_3) }, - { USB_VP(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_RT2573_4) }, - { USB_VP(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_WUG2700) }, - { USB_VP(USB_VENDOR_AMIT, USB_PRODUCT_AMIT_CGWLUSB2GO) }, - { USB_VP(USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RT2573_1) }, - { USB_VP(USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RT2573_2) }, - { USB_VP(USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D7050A) }, - { USB_VP(USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D9050V3) }, - { USB_VP(USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_WUSB54GC) }, - { USB_VP(USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_WUSB54GR) }, - { USB_VP(USB_VENDOR_CONCEPTRONIC2, USB_PRODUCT_CONCEPTRONIC2_C54RU2) }, - { USB_VP(USB_VENDOR_COREGA, USB_PRODUCT_COREGA_CGWLUSB2GL) }, - { USB_VP(USB_VENDOR_COREGA, USB_PRODUCT_COREGA_CGWLUSB2GPX) }, - { USB_VP(USB_VENDOR_DICKSMITH, USB_PRODUCT_DICKSMITH_CWD854F) }, - { USB_VP(USB_VENDOR_DICKSMITH, USB_PRODUCT_DICKSMITH_RT2573) }, - { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWLG122C1) }, - { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_WUA1340) }, - { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA111) }, - { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA110) }, - { USB_VP(USB_VENDOR_GIGABYTE, USB_PRODUCT_GIGABYTE_GNWB01GS) }, - { USB_VP(USB_VENDOR_GIGABYTE, USB_PRODUCT_GIGABYTE_GNWI05GS) }, - { USB_VP(USB_VENDOR_GIGASET, USB_PRODUCT_GIGASET_RT2573) }, - { USB_VP(USB_VENDOR_GOODWAY, USB_PRODUCT_GOODWAY_RT2573) }, - { USB_VP(USB_VENDOR_GUILLEMOT, USB_PRODUCT_GUILLEMOT_HWGUSB254LB) }, - { USB_VP(USB_VENDOR_GUILLEMOT, USB_PRODUCT_GUILLEMOT_HWGUSB254V2AP) }, - { USB_VP(USB_VENDOR_HUAWEI3COM, USB_PRODUCT_HUAWEI3COM_WUB320G) }, - { USB_VP(USB_VENDOR_MELCO, USB_PRODUCT_MELCO_G54HP) }, - { USB_VP(USB_VENDOR_MELCO, USB_PRODUCT_MELCO_SG54HP) }, - { USB_VP(USB_VENDOR_MSI, USB_PRODUCT_MSI_RT2573_1) }, - { USB_VP(USB_VENDOR_MSI, USB_PRODUCT_MSI_RT2573_2) }, - { USB_VP(USB_VENDOR_MSI, USB_PRODUCT_MSI_RT2573_3) }, - { USB_VP(USB_VENDOR_MSI, USB_PRODUCT_MSI_RT2573_4) }, - { USB_VP(USB_VENDOR_NOVATECH, USB_PRODUCT_NOVATECH_RT2573) }, - { USB_VP(USB_VENDOR_PLANEX2, USB_PRODUCT_PLANEX2_GWUS54HP) }, - { USB_VP(USB_VENDOR_PLANEX2, USB_PRODUCT_PLANEX2_GWUS54MINI2) }, - { USB_VP(USB_VENDOR_PLANEX2, USB_PRODUCT_PLANEX2_GWUSMM) }, - { USB_VP(USB_VENDOR_QCOM, USB_PRODUCT_QCOM_RT2573) }, - { USB_VP(USB_VENDOR_QCOM, USB_PRODUCT_QCOM_RT2573_2) }, - { USB_VP(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2573) }, - { USB_VP(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2573_2) }, - { USB_VP(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2671) }, - { USB_VP(USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_WL113R2) }, - { USB_VP(USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_WL172) }, - { USB_VP(USB_VENDOR_SPARKLAN, USB_PRODUCT_SPARKLAN_RT2573) }, - { USB_VP(USB_VENDOR_SURECOM, USB_PRODUCT_SURECOM_RT2573) }, -}; - -MODULE_DEPEND(rum, wlan, 1, 1, 1); -MODULE_DEPEND(rum, wlan_amrr, 1, 1, 1); -MODULE_DEPEND(rum, usb2_wlan, 1, 1, 1); -MODULE_DEPEND(rum, usb2_core, 1, 1, 1); - -static device_probe_t rum_match; -static device_attach_t rum_attach; -static device_detach_t rum_detach; - -static usb2_callback_t rum_bulk_read_callback; -static usb2_callback_t rum_bulk_write_callback; - -static usb2_proc_callback_t rum_attach_post; -static usb2_proc_callback_t rum_task; -static usb2_proc_callback_t rum_scantask; -static usb2_proc_callback_t rum_promisctask; -static usb2_proc_callback_t rum_amrr_task; -static usb2_proc_callback_t rum_init_task; -static usb2_proc_callback_t rum_stop_task; - -static struct ieee80211vap *rum_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 rum_vap_delete(struct ieee80211vap *); -static void rum_tx_free(struct rum_tx_data *, int); -static void rum_setup_tx_list(struct rum_softc *); -static void rum_unsetup_tx_list(struct rum_softc *); -static int rum_newstate(struct ieee80211vap *, - enum ieee80211_state, int); -static void rum_setup_tx_desc(struct rum_softc *, - struct rum_tx_desc *, uint32_t, uint16_t, int, - int); -static int rum_tx_mgt(struct rum_softc *, struct mbuf *, - struct ieee80211_node *); -static int rum_tx_raw(struct rum_softc *, struct mbuf *, - struct ieee80211_node *, - const struct ieee80211_bpf_params *); -static int rum_tx_data(struct rum_softc *, struct mbuf *, - struct ieee80211_node *); -static void rum_start(struct ifnet *); -static int rum_ioctl(struct ifnet *, u_long, caddr_t); -static void rum_eeprom_read(struct rum_softc *, uint16_t, void *, - int); -static uint32_t rum_read(struct rum_softc *, uint16_t); -static void rum_read_multi(struct rum_softc *, uint16_t, void *, - int); -static void rum_write(struct rum_softc *, uint16_t, uint32_t); -static void rum_write_multi(struct rum_softc *, uint16_t, void *, - size_t); -static void rum_bbp_write(struct rum_softc *, uint8_t, uint8_t); -static uint8_t rum_bbp_read(struct rum_softc *, uint8_t); -static void rum_rf_write(struct rum_softc *, uint8_t, uint32_t); -static void rum_select_antenna(struct rum_softc *); -static void rum_enable_mrr(struct rum_softc *); -static void rum_set_txpreamble(struct rum_softc *); -static void rum_set_basicrates(struct rum_softc *); -static void rum_select_band(struct rum_softc *, - struct ieee80211_channel *); -static void rum_set_chan(struct rum_softc *, - struct ieee80211_channel *); -static void rum_enable_tsf_sync(struct rum_softc *); -static void rum_update_slot(struct ifnet *); -static void rum_set_bssid(struct rum_softc *, const uint8_t *); -static void rum_set_macaddr(struct rum_softc *, const uint8_t *); -static const char *rum_get_rf(int); -static void rum_read_eeprom(struct rum_softc *); -static int rum_bbp_init(struct rum_softc *); -static void rum_init(void *); -static int rum_load_microcode(struct rum_softc *, const u_char *, - size_t); -static int rum_prepare_beacon(struct rum_softc *, - struct ieee80211vap *); -static int rum_raw_xmit(struct ieee80211_node *, struct mbuf *, - const struct ieee80211_bpf_params *); -static struct ieee80211_node *rum_node_alloc(struct ieee80211vap *, - const uint8_t mac[IEEE80211_ADDR_LEN]); -static void rum_newassoc(struct ieee80211_node *, int); -static void rum_scan_start(struct ieee80211com *); -static void rum_scan_end(struct ieee80211com *); -static void rum_set_channel(struct ieee80211com *); -static int rum_get_rssi(struct rum_softc *, uint8_t); -static void rum_amrr_start(struct rum_softc *, - struct ieee80211_node *); -static void rum_amrr_timeout(void *); -static int rum_pause(struct rum_softc *, int); -static void rum_queue_command(struct rum_softc *, - usb2_proc_callback_t *, struct usb2_proc_msg *, - struct usb2_proc_msg *); - -static const struct { - uint32_t reg; - uint32_t val; -} rum_def_mac[] = { - { RT2573_TXRX_CSR0, 0x025fb032 }, - { RT2573_TXRX_CSR1, 0x9eaa9eaf }, - { RT2573_TXRX_CSR2, 0x8a8b8c8d }, - { RT2573_TXRX_CSR3, 0x00858687 }, - { RT2573_TXRX_CSR7, 0x2e31353b }, - { RT2573_TXRX_CSR8, 0x2a2a2a2c }, - { RT2573_TXRX_CSR15, 0x0000000f }, - { RT2573_MAC_CSR6, 0x00000fff }, - { RT2573_MAC_CSR8, 0x016c030a }, - { RT2573_MAC_CSR10, 0x00000718 }, - { RT2573_MAC_CSR12, 0x00000004 }, - { RT2573_MAC_CSR13, 0x00007f00 }, - { RT2573_SEC_CSR0, 0x00000000 }, - { RT2573_SEC_CSR1, 0x00000000 }, - { RT2573_SEC_CSR5, 0x00000000 }, - { RT2573_PHY_CSR1, 0x000023b0 }, - { RT2573_PHY_CSR5, 0x00040a06 }, - { RT2573_PHY_CSR6, 0x00080606 }, - { RT2573_PHY_CSR7, 0x00000408 }, - { RT2573_AIFSN_CSR, 0x00002273 }, - { RT2573_CWMIN_CSR, 0x00002344 }, - { RT2573_CWMAX_CSR, 0x000034aa } -}; - -static const struct { - uint8_t reg; - uint8_t val; -} rum_def_bbp[] = { - { 3, 0x80 }, - { 15, 0x30 }, - { 17, 0x20 }, - { 21, 0xc8 }, - { 22, 0x38 }, - { 23, 0x06 }, - { 24, 0xfe }, - { 25, 0x0a }, - { 26, 0x0d }, - { 32, 0x0b }, - { 34, 0x12 }, - { 37, 0x07 }, - { 39, 0xf8 }, - { 41, 0x60 }, - { 53, 0x10 }, - { 54, 0x18 }, - { 60, 0x10 }, - { 61, 0x04 }, - { 62, 0x04 }, - { 75, 0xfe }, - { 86, 0xfe }, - { 88, 0xfe }, - { 90, 0x0f }, - { 99, 0x00 }, - { 102, 0x16 }, - { 107, 0x04 } -}; - -static const struct rfprog { - uint8_t chan; - uint32_t r1, r2, r3, r4; -} rum_rf5226[] = { - { 1, 0x00b03, 0x001e1, 0x1a014, 0x30282 }, - { 2, 0x00b03, 0x001e1, 0x1a014, 0x30287 }, - { 3, 0x00b03, 0x001e2, 0x1a014, 0x30282 }, - { 4, 0x00b03, 0x001e2, 0x1a014, 0x30287 }, - { 5, 0x00b03, 0x001e3, 0x1a014, 0x30282 }, - { 6, 0x00b03, 0x001e3, 0x1a014, 0x30287 }, - { 7, 0x00b03, 0x001e4, 0x1a014, 0x30282 }, - { 8, 0x00b03, 0x001e4, 0x1a014, 0x30287 }, - { 9, 0x00b03, 0x001e5, 0x1a014, 0x30282 }, - { 10, 0x00b03, 0x001e5, 0x1a014, 0x30287 }, - { 11, 0x00b03, 0x001e6, 0x1a014, 0x30282 }, - { 12, 0x00b03, 0x001e6, 0x1a014, 0x30287 }, - { 13, 0x00b03, 0x001e7, 0x1a014, 0x30282 }, - { 14, 0x00b03, 0x001e8, 0x1a014, 0x30284 }, - - { 34, 0x00b03, 0x20266, 0x36014, 0x30282 }, - { 38, 0x00b03, 0x20267, 0x36014, 0x30284 }, - { 42, 0x00b03, 0x20268, 0x36014, 0x30286 }, - { 46, 0x00b03, 0x20269, 0x36014, 0x30288 }, - - { 36, 0x00b03, 0x00266, 0x26014, 0x30288 }, - { 40, 0x00b03, 0x00268, 0x26014, 0x30280 }, - { 44, 0x00b03, 0x00269, 0x26014, 0x30282 }, - { 48, 0x00b03, 0x0026a, 0x26014, 0x30284 }, - { 52, 0x00b03, 0x0026b, 0x26014, 0x30286 }, - { 56, 0x00b03, 0x0026c, 0x26014, 0x30288 }, - { 60, 0x00b03, 0x0026e, 0x26014, 0x30280 }, - { 64, 0x00b03, 0x0026f, 0x26014, 0x30282 }, - - { 100, 0x00b03, 0x0028a, 0x2e014, 0x30280 }, - { 104, 0x00b03, 0x0028b, 0x2e014, 0x30282 }, - { 108, 0x00b03, 0x0028c, 0x2e014, 0x30284 }, - { 112, 0x00b03, 0x0028d, 0x2e014, 0x30286 }, - { 116, 0x00b03, 0x0028e, 0x2e014, 0x30288 }, - { 120, 0x00b03, 0x002a0, 0x2e014, 0x30280 }, - { 124, 0x00b03, 0x002a1, 0x2e014, 0x30282 }, - { 128, 0x00b03, 0x002a2, 0x2e014, 0x30284 }, - { 132, 0x00b03, 0x002a3, 0x2e014, 0x30286 }, - { 136, 0x00b03, 0x002a4, 0x2e014, 0x30288 }, - { 140, 0x00b03, 0x002a6, 0x2e014, 0x30280 }, - - { 149, 0x00b03, 0x002a8, 0x2e014, 0x30287 }, - { 153, 0x00b03, 0x002a9, 0x2e014, 0x30289 }, - { 157, 0x00b03, 0x002ab, 0x2e014, 0x30281 }, - { 161, 0x00b03, 0x002ac, 0x2e014, 0x30283 }, - { 165, 0x00b03, 0x002ad, 0x2e014, 0x30285 } -}, rum_rf5225[] = { - { 1, 0x00b33, 0x011e1, 0x1a014, 0x30282 }, - { 2, 0x00b33, 0x011e1, 0x1a014, 0x30287 }, - { 3, 0x00b33, 0x011e2, 0x1a014, 0x30282 }, - { 4, 0x00b33, 0x011e2, 0x1a014, 0x30287 }, - { 5, 0x00b33, 0x011e3, 0x1a014, 0x30282 }, - { 6, 0x00b33, 0x011e3, 0x1a014, 0x30287 }, - { 7, 0x00b33, 0x011e4, 0x1a014, 0x30282 }, - { 8, 0x00b33, 0x011e4, 0x1a014, 0x30287 }, - { 9, 0x00b33, 0x011e5, 0x1a014, 0x30282 }, - { 10, 0x00b33, 0x011e5, 0x1a014, 0x30287 }, - { 11, 0x00b33, 0x011e6, 0x1a014, 0x30282 }, - { 12, 0x00b33, 0x011e6, 0x1a014, 0x30287 }, - { 13, 0x00b33, 0x011e7, 0x1a014, 0x30282 }, - { 14, 0x00b33, 0x011e8, 0x1a014, 0x30284 }, - - { 34, 0x00b33, 0x01266, 0x26014, 0x30282 }, - { 38, 0x00b33, 0x01267, 0x26014, 0x30284 }, - { 42, 0x00b33, 0x01268, 0x26014, 0x30286 }, - { 46, 0x00b33, 0x01269, 0x26014, 0x30288 }, - - { 36, 0x00b33, 0x01266, 0x26014, 0x30288 }, - { 40, 0x00b33, 0x01268, 0x26014, 0x30280 }, - { 44, 0x00b33, 0x01269, 0x26014, 0x30282 }, - { 48, 0x00b33, 0x0126a, 0x26014, 0x30284 }, - { 52, 0x00b33, 0x0126b, 0x26014, 0x30286 }, - { 56, 0x00b33, 0x0126c, 0x26014, 0x30288 }, - { 60, 0x00b33, 0x0126e, 0x26014, 0x30280 }, - { 64, 0x00b33, 0x0126f, 0x26014, 0x30282 }, - - { 100, 0x00b33, 0x0128a, 0x2e014, 0x30280 }, - { 104, 0x00b33, 0x0128b, 0x2e014, 0x30282 }, - { 108, 0x00b33, 0x0128c, 0x2e014, 0x30284 }, - { 112, 0x00b33, 0x0128d, 0x2e014, 0x30286 }, - { 116, 0x00b33, 0x0128e, 0x2e014, 0x30288 }, - { 120, 0x00b33, 0x012a0, 0x2e014, 0x30280 }, - { 124, 0x00b33, 0x012a1, 0x2e014, 0x30282 }, - { 128, 0x00b33, 0x012a2, 0x2e014, 0x30284 }, - { 132, 0x00b33, 0x012a3, 0x2e014, 0x30286 }, - { 136, 0x00b33, 0x012a4, 0x2e014, 0x30288 }, - { 140, 0x00b33, 0x012a6, 0x2e014, 0x30280 }, - - { 149, 0x00b33, 0x012a8, 0x2e014, 0x30287 }, - { 153, 0x00b33, 0x012a9, 0x2e014, 0x30289 }, - { 157, 0x00b33, 0x012ab, 0x2e014, 0x30281 }, - { 161, 0x00b33, 0x012ac, 0x2e014, 0x30283 }, - { 165, 0x00b33, 0x012ad, 0x2e014, 0x30285 } -}; - -static const struct usb2_config rum_config[RUM_N_TRANSFER] = { - [RUM_BULK_WR] = { - .type = UE_BULK, - .endpoint = UE_ADDR_ANY, - .direction = UE_DIR_OUT, - .mh.bufsize = (MCLBYTES + RT2573_TX_DESC_SIZE + 8), - .mh.flags = {.pipe_bof = 1,.force_short_xfer = 1,}, - .mh.callback = rum_bulk_write_callback, - .mh.timeout = 5000, /* ms */ - }, - [RUM_BULK_RD] = { - .type = UE_BULK, - .endpoint = UE_ADDR_ANY, - .direction = UE_DIR_IN, - .mh.bufsize = (MCLBYTES + RT2573_RX_DESC_SIZE), - .mh.flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, - .mh.callback = rum_bulk_read_callback, - }, -}; - -static int -rum_match(device_t self) -{ - struct usb2_attach_arg *uaa = device_get_ivars(self); - - if (uaa->usb2_mode != USB_MODE_HOST) - return (ENXIO); - if (uaa->info.bConfigIndex != 0) - return (ENXIO); - if (uaa->info.bIfaceIndex != RT2573_IFACE_INDEX) - return (ENXIO); - - return (usb2_lookup_id_by_uaa(rum_devs, sizeof(rum_devs), uaa)); -} - -static int -rum_attach(device_t self) -{ - struct usb2_attach_arg *uaa = device_get_ivars(self); - struct rum_softc *sc = device_get_softc(self); - uint8_t iface_index; - int error; - - device_set_usb2_desc(self); - sc->sc_udev = uaa->device; - sc->sc_dev = self; - - mtx_init(&sc->sc_mtx, device_get_nameunit(self), - MTX_NETWORK_LOCK, MTX_DEF); - - iface_index = RT2573_IFACE_INDEX; - error = usb2_transfer_setup(uaa->device, &iface_index, - sc->sc_xfer, rum_config, RUM_N_TRANSFER, sc, &sc->sc_mtx); - if (error) { - device_printf(self, "could not allocate USB transfers, " - "err=%s\n", usb2_errstr(error)); - goto detach; - } - error = usb2_proc_create(&sc->sc_tq, &sc->sc_mtx, - device_get_nameunit(self), USB_PRI_MED); - if (error) { - device_printf(self, "could not setup config thread!\n"); - goto detach; - } - - /* fork rest of the attach code */ - RUM_LOCK(sc); - rum_queue_command(sc, rum_attach_post, - &sc->sc_synctask[0].hdr, - &sc->sc_synctask[1].hdr); - RUM_UNLOCK(sc); - return (0); - -detach: - rum_detach(self); - return (ENXIO); /* failure */ -} - -static void -rum_attach_post(struct usb2_proc_msg *pm) -{ - struct rum_task *task = (struct rum_task *)pm; - struct rum_softc *sc = task->sc; - struct ifnet *ifp; - struct ieee80211com *ic; - unsigned int ntries; - int error; - uint32_t tmp; - uint8_t bands; - - /* retrieve RT2573 rev. no */ - for (ntries = 0; ntries < 100; ntries++) { - if ((tmp = rum_read(sc, RT2573_MAC_CSR0)) != 0) - break; - if (rum_pause(sc, hz / 100)) - break; - } - if (ntries == 100) { - device_printf(sc->sc_dev, "timeout waiting for chip to settle\n"); - return; - } - - /* retrieve MAC address and various other things from EEPROM */ - rum_read_eeprom(sc); - - device_printf(sc->sc_dev, "MAC/BBP RT2573 (rev 0x%05x), RF %s\n", - tmp, rum_get_rf(sc->rf_rev)); - - error = rum_load_microcode(sc, rt2573_ucode, sizeof(rt2573_ucode)); - if (error != 0) { - RUM_UNLOCK(sc); - device_printf(sc->sc_dev, "could not load 8051 microcode\n"); - return; - } - RUM_UNLOCK(sc); - - ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); - if (ifp == NULL) { - device_printf(sc->sc_dev, "can not if_alloc()\n"); - RUM_LOCK(sc); - return; - } - ic = ifp->if_l2com; - - ifp->if_softc = sc; - if_initname(ifp, "rum", device_get_unit(sc->sc_dev)); - ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; - ifp->if_init = rum_init; - ifp->if_ioctl = rum_ioctl; - ifp->if_start = rum_start; - IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); - ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN; - IFQ_SET_READY(&ifp->if_snd); - - ic->ic_ifp = ifp; - ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ - IEEE80211_ADDR_COPY(ic->ic_myaddr, sc->sc_bssid); - - /* set device capabilities */ - ic->ic_caps = - IEEE80211_C_STA /* station mode supported */ - | IEEE80211_C_IBSS /* IBSS mode supported */ - | IEEE80211_C_MONITOR /* monitor mode supported */ - | IEEE80211_C_HOSTAP /* HostAp mode supported */ - | IEEE80211_C_TXPMGT /* tx power management */ - | IEEE80211_C_SHPREAMBLE /* short preamble supported */ - | IEEE80211_C_SHSLOT /* short slot time supported */ - | IEEE80211_C_BGSCAN /* bg scanning supported */ - | IEEE80211_C_WPA /* 802.11i */ - ; - - bands = 0; - setbit(&bands, IEEE80211_MODE_11B); - setbit(&bands, IEEE80211_MODE_11G); - if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_5226) - setbit(&bands, IEEE80211_MODE_11A); - ieee80211_init_channels(ic, NULL, &bands); - - ieee80211_ifattach(ic); - ic->ic_newassoc = rum_newassoc; - ic->ic_raw_xmit = rum_raw_xmit; - ic->ic_node_alloc = rum_node_alloc; - ic->ic_scan_start = rum_scan_start; - ic->ic_scan_end = rum_scan_end; - ic->ic_set_channel = rum_set_channel; - - ic->ic_vap_create = rum_vap_create; - ic->ic_vap_delete = rum_vap_delete; - - sc->sc_rates = ieee80211_get_ratetable(ic->ic_curchan); - - 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(RT2573_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(RT2573_TX_RADIOTAP_PRESENT); - - if (bootverbose) - ieee80211_announce(ic); - - RUM_LOCK(sc); -} - -static int -rum_detach(device_t self) -{ - struct rum_softc *sc = device_get_softc(self); - struct ifnet *ifp = sc->sc_ifp; - struct ieee80211com *ic; - - /* wait for any post attach or other command to complete */ - usb2_proc_drain(&sc->sc_tq); - - /* stop all USB transfers */ - usb2_transfer_unsetup(sc->sc_xfer, RUM_N_TRANSFER); - usb2_proc_free(&sc->sc_tq); - - /* free TX list, if any */ - RUM_LOCK(sc); - rum_unsetup_tx_list(sc); - RUM_UNLOCK(sc); - - if (ifp) { - ic = ifp->if_l2com; - bpfdetach(ifp); - ieee80211_ifdetach(ic); - if_free(ifp); - } - - mtx_destroy(&sc->sc_mtx); - - return (0); -} - -static struct ieee80211vap * -rum_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 rum_softc *sc = ic->ic_ifp->if_softc; - struct rum_vap *rvp; - struct ieee80211vap *vap; - - if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ - return NULL; - rvp = (struct rum_vap *) malloc(sizeof(struct rum_vap), - M_80211_VAP, M_NOWAIT | M_ZERO); - if (rvp == NULL) - return NULL; - vap = &rvp->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 */ - rvp->newstate = vap->iv_newstate; - vap->iv_newstate = rum_newstate; - - rvp->sc = sc; - usb2_callout_init_mtx(&rvp->amrr_ch, &sc->sc_mtx, 0); - ieee80211_amrr_init(&rvp->amrr, vap, - IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD, - IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD, - 1000 /* 1 sec */); - - /* complete setup */ - ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status); - ic->ic_opmode = opmode; - return vap; -} - -static void -rum_vap_delete(struct ieee80211vap *vap) -{ - struct rum_vap *rvp = RUM_VAP(vap); - - usb2_callout_drain(&rvp->amrr_ch); - ieee80211_amrr_cleanup(&rvp->amrr); - ieee80211_vap_detach(vap); - free(rvp, M_80211_VAP); -} - -static void -rum_tx_free(struct rum_tx_data *data, int txerr) -{ - struct rum_softc *sc = data->sc; - - if (data->m != NULL) { - if (data->m->m_flags & M_TXCB) - ieee80211_process_callback(data->ni, data->m, - txerr ? ETIMEDOUT : 0); - m_freem(data->m); - data->m = NULL; - - ieee80211_free_node(data->ni); - data->ni = NULL; - } - STAILQ_INSERT_TAIL(&sc->tx_free, data, next); - sc->tx_nfree++; -} - -static void -rum_setup_tx_list(struct rum_softc *sc) -{ - struct rum_tx_data *data; - int i; - - sc->tx_nfree = 0; - STAILQ_INIT(&sc->tx_q); - STAILQ_INIT(&sc->tx_free); - - for (i = 0; i < RUM_TX_LIST_COUNT; i++) { - data = &sc->tx_data[i]; - - data->sc = sc; - STAILQ_INSERT_TAIL(&sc->tx_free, data, next); - sc->tx_nfree++; - } -} - -static void -rum_unsetup_tx_list(struct rum_softc *sc) -{ - struct rum_tx_data *data; - int i; - - /* make sure any subsequent use of the queues will fail */ - sc->tx_nfree = 0; - STAILQ_INIT(&sc->tx_q); - STAILQ_INIT(&sc->tx_free); - - /* free up all node references and mbufs */ - for (i = 0; i < RUM_TX_LIST_COUNT; i++) { - data = &sc->tx_data[i]; - - if (data->m != NULL) { - m_freem(data->m); - data->m = NULL; - } - if (data->ni != NULL) { - ieee80211_free_node(data->ni); - data->ni = NULL; - } - } -} - -static void -rum_task(struct usb2_proc_msg *pm) -{ - struct rum_task *task = (struct rum_task *)pm; - struct rum_softc *sc = task->sc; - struct ifnet *ifp = sc->sc_ifp; - struct ieee80211com *ic = ifp->if_l2com; - struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); - struct rum_vap *rvp = RUM_VAP(vap); - const struct ieee80211_txparam *tp; - enum ieee80211_state ostate; - struct ieee80211_node *ni; - uint32_t tmp; - - ostate = vap->iv_state; - - switch (sc->sc_state) { - case IEEE80211_S_INIT: - if (ostate == IEEE80211_S_RUN) { - /* abort TSF synchronization */ - tmp = rum_read(sc, RT2573_TXRX_CSR9); - rum_write(sc, RT2573_TXRX_CSR9, tmp & ~0x00ffffff); - } - break; - - case IEEE80211_S_RUN: - ni = vap->iv_bss; - - if (vap->iv_opmode != IEEE80211_M_MONITOR) { - rum_update_slot(ic->ic_ifp); - rum_enable_mrr(sc); - rum_set_txpreamble(sc); - rum_set_basicrates(sc); - IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid); - rum_set_bssid(sc, sc->sc_bssid); - } - - if (vap->iv_opmode == IEEE80211_M_HOSTAP || - vap->iv_opmode == IEEE80211_M_IBSS) - rum_prepare_beacon(sc, vap); - - if (vap->iv_opmode != IEEE80211_M_MONITOR) - rum_enable_tsf_sync(sc); - - /* enable automatic rate adaptation */ - tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)]; - if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) - rum_amrr_start(sc, ni); - break; - default: - break; - } - - RUM_UNLOCK(sc); - IEEE80211_LOCK(ic); - rvp->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); - RUM_LOCK(sc); -} - -static int -rum_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) -{ - struct rum_vap *rvp = RUM_VAP(vap); - struct ieee80211com *ic = vap->iv_ic; - struct rum_softc *sc = ic->ic_ifp->if_softc; - - DPRINTF("%s -> %s\n", - ieee80211_state_name[vap->iv_state], - ieee80211_state_name[nstate]); - - RUM_LOCK(sc); - usb2_callout_stop(&rvp->amrr_ch); - - /* do it in a process context */ - sc->sc_state = nstate; - sc->sc_arg = arg; - RUM_UNLOCK(sc); - - if (nstate == IEEE80211_S_INIT) { - rvp->newstate(vap, nstate, arg); - return 0; - } else { - RUM_LOCK(sc); - rum_queue_command(sc, rum_task, &sc->sc_task[0].hdr, - &sc->sc_task[1].hdr); - RUM_UNLOCK(sc); - return EINPROGRESS; - } -} - -static void -rum_bulk_write_callback(struct usb2_xfer *xfer) -{ - struct rum_softc *sc = xfer->priv_sc; - struct ifnet *ifp = sc->sc_ifp; - struct ieee80211com *ic = ifp->if_l2com; - struct ieee80211_channel *c = ic->ic_curchan; - struct rum_tx_data *data; - struct mbuf *m; - unsigned int len; - - switch (USB_GET_STATE(xfer)) { - case USB_ST_TRANSFERRED: - DPRINTFN(11, "transfer complete, %d bytes\n", xfer->actlen); - - /* free resources */ - data = xfer->priv_fifo; - rum_tx_free(data, 0); - xfer->priv_fifo = NULL; - - ifp->if_opackets++; - ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; - - /* FALLTHROUGH */ - case USB_ST_SETUP: -tr_setup: - data = STAILQ_FIRST(&sc->tx_q); - if (data) { - STAILQ_REMOVE_HEAD(&sc->tx_q, next); - m = data->m; - - if (m->m_pkthdr.len > (MCLBYTES + RT2573_TX_DESC_SIZE)) { - DPRINTFN(0, "data overflow, %u bytes\n", - m->m_pkthdr.len); - m->m_pkthdr.len = (MCLBYTES + RT2573_TX_DESC_SIZE); - } - usb2_copy_in(xfer->frbuffers, 0, &data->desc, - RT2573_TX_DESC_SIZE); - usb2_m_copy_in(xfer->frbuffers, RT2573_TX_DESC_SIZE, m, - 0, m->m_pkthdr.len); - - if (bpf_peers_present(ifp->if_bpf)) { - struct rum_tx_radiotap_header *tap = &sc->sc_txtap; - - tap->wt_flags = 0; - tap->wt_rate = data->rate; - tap->wt_chan_freq = htole16(c->ic_freq); - tap->wt_chan_flags = htole16(c->ic_flags); - tap->wt_antenna = sc->tx_ant; - - bpf_mtap2(ifp->if_bpf, tap, sc->sc_txtap_len, m); - } - - /* align end on a 4-bytes boundary */ - len = (RT2573_TX_DESC_SIZE + m->m_pkthdr.len + 3) & ~3; - if ((len % 64) == 0) - len += 4; - - DPRINTFN(11, "sending frame len=%u xferlen=%u\n", - m->m_pkthdr.len, len); - - xfer->frlengths[0] = len; - xfer->priv_fifo = data; - - usb2_start_hardware(xfer); - } - break; - - default: /* Error */ - DPRINTFN(11, "transfer error, %s\n", - usb2_errstr(xfer->error)); - - ifp->if_oerrors++; - data = xfer->priv_fifo; - if (data != NULL) { - rum_tx_free(data, xfer->error); - xfer->priv_fifo = NULL; - } - - if (xfer->error == USB_ERR_STALLED) { - /* try to clear stall first */ - xfer->flags.stall_pipe = 1; - goto tr_setup; - } - if (xfer->error == USB_ERR_TIMEOUT) - device_printf(sc->sc_dev, "device timeout\n"); - break; - } -} - -static void -rum_bulk_read_callback(struct usb2_xfer *xfer) -{ - struct rum_softc *sc = xfer->priv_sc; - struct ifnet *ifp = sc->sc_ifp; - struct ieee80211com *ic = ifp->if_l2com; - struct ieee80211_node *ni; - struct mbuf *m = NULL; - uint32_t flags; - uint8_t rssi = 0; - unsigned int len; - - switch (USB_GET_STATE(xfer)) { - case USB_ST_TRANSFERRED: - - DPRINTFN(15, "rx done, actlen=%d\n", xfer->actlen); - - len = xfer->actlen; - if (len < RT2573_RX_DESC_SIZE + IEEE80211_MIN_LEN) { - DPRINTF("%s: xfer too short %d\n", - device_get_nameunit(sc->sc_dev), len); - ifp->if_ierrors++; - goto tr_setup; - } - - len -= RT2573_RX_DESC_SIZE; - usb2_copy_out(xfer->frbuffers, 0, &sc->sc_rx_desc, - RT2573_RX_DESC_SIZE); - - rssi = rum_get_rssi(sc, sc->sc_rx_desc.rssi); - flags = le32toh(sc->sc_rx_desc.flags); - if (flags & RT2573_RX_CRC_ERROR) { - /* - * This should not happen since we did not - * request to receive those frames when we - * filled RUM_TXRX_CSR2: - */ - DPRINTFN(5, "PHY or CRC error\n"); - ifp->if_ierrors++; - goto tr_setup; - } - - m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); - if (m == NULL) { - DPRINTF("could not allocate mbuf\n"); - ifp->if_ierrors++; - goto tr_setup; - } - usb2_copy_out(xfer->frbuffers, RT2573_RX_DESC_SIZE, - mtod(m, uint8_t *), len); - - /* finalize mbuf */ - m->m_pkthdr.rcvif = ifp; - m->m_pkthdr.len = m->m_len = (flags >> 16) & 0xfff; - - if (bpf_peers_present(ifp->if_bpf)) { - struct rum_rx_radiotap_header *tap = &sc->sc_rxtap; - - tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; - tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate, - (flags & RT2573_RX_OFDM) ? - IEEE80211_T_OFDM : IEEE80211_T_CCK); - tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); - tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); - tap->wr_antenna = sc->rx_ant; - tap->wr_antsignal = rssi; - - bpf_mtap2(ifp->if_bpf, tap, sc->sc_rxtap_len, m); - } - /* FALLTHROUGH */ - case USB_ST_SETUP: -tr_setup: - xfer->frlengths[0] = xfer->max_data_length; - usb2_start_hardware(xfer); - - /* - * At the end of a USB callback it is always safe to unlock - * the private mutex of a device! That is why we do the - * "ieee80211_input" here, and not some lines up! - */ - if (m) { - RUM_UNLOCK(sc); - ni = ieee80211_find_rxnode(ic, - mtod(m, struct ieee80211_frame_min *)); - if (ni != NULL) { - (void) ieee80211_input(ni, m, rssi, - RT2573_NOISE_FLOOR, 0); - ieee80211_free_node(ni); - } else - (void) ieee80211_input_all(ic, m, rssi, - RT2573_NOISE_FLOOR, 0); - RUM_LOCK(sc); - } - return; - - default: /* Error */ - if (xfer->error != USB_ERR_CANCELLED) { - /* try to clear stall first */ - xfer->flags.stall_pipe = 1; - goto tr_setup; - } - return; - } -} - -static uint8_t -rum_plcp_signal(int rate) -{ - switch (rate) { - /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ - case 12: return 0xb; - case 18: return 0xf; - case 24: return 0xa; - case 36: return 0xe; - case 48: return 0x9; - case 72: return 0xd; - case 96: return 0x8; - case 108: return 0xc; - - /* CCK rates (NB: not IEEE std, device-specific) */ - case 2: return 0x0; - case 4: return 0x1; - case 11: return 0x2; - case 22: return 0x3; - } - return 0xff; /* XXX unsupported/unknown rate */ -} - -static void -rum_setup_tx_desc(struct rum_softc *sc, struct rum_tx_desc *desc, - uint32_t flags, uint16_t xflags, int len, int rate) -{ - struct ifnet *ifp = sc->sc_ifp; - struct ieee80211com *ic = ifp->if_l2com; - uint16_t plcp_length; - int remainder; - - desc->flags = htole32(flags); - desc->flags |= htole32(RT2573_TX_VALID); - desc->flags |= htole32(len << 16); - - desc->xflags = htole16(xflags); - - desc->wme = htole16(RT2573_QID(0) | RT2573_AIFSN(2) | - RT2573_LOGCWMIN(4) | RT2573_LOGCWMAX(10)); - - /* setup PLCP fields */ - desc->plcp_signal = rum_plcp_signal(rate); - desc->plcp_service = 4; - - len += IEEE80211_CRC_LEN; - if (ieee80211_rate2phytype(sc->sc_rates, rate) == IEEE80211_T_OFDM) { - desc->flags |= htole32(RT2573_TX_OFDM); - - plcp_length = len & 0xfff; - desc->plcp_length_hi = plcp_length >> 6; - desc->plcp_length_lo = plcp_length & 0x3f; - } else { - plcp_length = (16 * len + rate - 1) / rate; - if (rate == 22) { - remainder = (16 * len) % 22; - if (remainder != 0 && remainder < 7) - desc->plcp_service |= RT2573_PLCP_LENGEXT; - } - desc->plcp_length_hi = plcp_length >> 8; - desc->plcp_length_lo = plcp_length & 0xff; - - if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) - desc->plcp_signal |= 0x08; - } -} - -#define RUM_TX_TIMEOUT 5000 - -static int -rum_sendprot(struct rum_softc *sc, - const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate) -{ - struct ieee80211com *ic = ni->ni_ic; - const struct ieee80211_frame *wh; - struct rum_tx_data *data; - struct mbuf *mprot; - int protrate, ackrate, pktlen, flags, isshort; - uint16_t dur; - - RUM_LOCK_ASSERT(sc, MA_OWNED); - KASSERT(prot == IEEE80211_PROT_RTSCTS || prot == IEEE80211_PROT_CTSONLY, - ("protection %d", prot)); - - wh = mtod(m, const struct ieee80211_frame *); - pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN; - - protrate = ieee80211_ctl_rate(sc->sc_rates, rate); - ackrate = ieee80211_ack_rate(sc->sc_rates, rate); - - isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0; - dur = ieee80211_compute_duration(sc->sc_rates, pktlen, rate, isshort); - + ieee80211_ack_duration(sc->sc_rates, rate, isshort); - flags = RT2573_TX_MORE_FRAG; - if (prot == IEEE80211_PROT_RTSCTS) { - /* NB: CTS is the same size as an ACK */ - dur += ieee80211_ack_duration(sc->sc_rates, rate, isshort); - flags |= RT2573_TX_NEED_ACK; - mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur); - } else { - mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur); - } - if (mprot == NULL) { - /* XXX stat + msg */ - return ENOBUFS; - } - data = STAILQ_FIRST(&sc->tx_free); - STAILQ_REMOVE_HEAD(&sc->tx_free, next); - sc->tx_nfree--; - - data->m = mprot; - data->ni = ieee80211_ref_node(ni); - data->rate = protrate; - rum_setup_tx_desc(sc, &data->desc, flags, 0, mprot->m_pkthdr.len, protrate); - - STAILQ_INSERT_TAIL(&sc->tx_q, data, next); - usb2_transfer_start(sc->sc_xfer[RUM_BULK_WR]); - - return 0; -} - -static int -rum_tx_mgt(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) -{ - struct ieee80211vap *vap = ni->ni_vap; - struct ifnet *ifp = sc->sc_ifp; - struct ieee80211com *ic = ifp->if_l2com; - struct rum_tx_data *data; - struct ieee80211_frame *wh; - const struct ieee80211_txparam *tp; - struct ieee80211_key *k; - uint32_t flags = 0; - uint16_t dur; - - RUM_LOCK_ASSERT(sc, MA_OWNED); - - data = STAILQ_FIRST(&sc->tx_free); - STAILQ_REMOVE_HEAD(&sc->tx_free, next); - sc->tx_nfree--; - - wh = mtod(m0, struct ieee80211_frame *); - if (wh->i_fc[1] & IEEE80211_FC1_WEP) { - k = ieee80211_crypto_encap(ni, m0); - if (k == NULL) { - m_freem(m0); - return ENOBUFS; - } - wh = mtod(m0, struct ieee80211_frame *); - } - - tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; - - if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { - flags |= RT2573_TX_NEED_ACK; - - dur = ieee80211_ack_duration(sc->sc_rates, tp->mgmtrate, - ic->ic_flags & IEEE80211_F_SHPREAMBLE); - *(uint16_t *)wh->i_dur = htole16(dur); - - /* tell hardware to add timestamp for probe responses */ - if ((wh->i_fc[0] & - (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == - (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) - flags |= RT2573_TX_TIMESTAMP; - } - - data->m = m0; - data->ni = ni; - data->rate = tp->mgmtrate; - - rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, tp->mgmtrate); - - DPRINTFN(10, "sending mgt frame len=%d rate=%d\n", - m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, tp->mgmtrate); - - STAILQ_INSERT_TAIL(&sc->tx_q, data, next); - usb2_transfer_start(sc->sc_xfer[RUM_BULK_WR]); - - return 0; -} - -static int -rum_tx_raw(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni, - const struct ieee80211_bpf_params *params) -{ - struct rum_tx_data *data; - uint32_t flags; - int rate, error; - - RUM_LOCK_ASSERT(sc, MA_OWNED); - KASSERT(params != NULL, ("no raw xmit params")); - - data = STAILQ_FIRST(&sc->tx_free); - STAILQ_REMOVE_HEAD(&sc->tx_free, next); - sc->tx_nfree--; - - rate = params->ibp_rate0 & IEEE80211_RATE_VAL; - /* XXX validate */ - if (rate == 0) { - m_freem(m0); - return EINVAL; - } - flags = 0; - if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) - flags |= RT2573_TX_NEED_ACK; - if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) { - error = rum_sendprot(sc, m0, ni, - params->ibp_flags & IEEE80211_BPF_RTS ? - IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY, - rate); - if (error) { - m_freem(m0); - return error; - } - flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS; - } - - data->m = m0; - data->ni = ni; - data->rate = rate; - - /* XXX need to setup descriptor ourself */ - rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, rate); - - DPRINTFN(10, "sending raw frame len=%u rate=%u\n", - m0->m_pkthdr.len, rate); - - STAILQ_INSERT_TAIL(&sc->tx_q, data, next); - usb2_transfer_start(sc->sc_xfer[RUM_BULK_WR]); - - return 0; -} - -static int -rum_tx_data(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) -{ - struct ieee80211vap *vap = ni->ni_vap; - struct ifnet *ifp = sc->sc_ifp; - struct ieee80211com *ic = ifp->if_l2com; - struct rum_tx_data *data; - struct ieee80211_frame *wh; - const struct ieee80211_txparam *tp; - struct ieee80211_key *k; - uint32_t flags = 0; - uint16_t dur; - int error, rate; - - RUM_LOCK_ASSERT(sc, MA_OWNED); - - wh = mtod(m0, struct ieee80211_frame *); - - tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; - if (IEEE80211_IS_MULTICAST(wh->i_addr1)) - rate = tp->mcastrate; - else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) - rate = tp->ucastrate; - else - rate = ni->ni_txrate; - - if (wh->i_fc[1] & IEEE80211_FC1_WEP) { - k = ieee80211_crypto_encap(ni, m0); - if (k == NULL) { - m_freem(m0); - return ENOBUFS; - } - - /* packet header may have moved, reset our local pointer */ - wh = mtod(m0, struct ieee80211_frame *); - } - - if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { - int prot = IEEE80211_PROT_NONE; - if (m0->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) - prot = IEEE80211_PROT_RTSCTS; - else if ((ic->ic_flags & IEEE80211_F_USEPROT) && - ieee80211_rate2phytype(sc->sc_rates, rate) == IEEE80211_T_OFDM) - prot = ic->ic_protmode; - if (prot != IEEE80211_PROT_NONE) { - error = rum_sendprot(sc, m0, ni, prot, rate); - if (error) { - m_freem(m0); - return error; - } - flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS; - } - } - - data = STAILQ_FIRST(&sc->tx_free); - STAILQ_REMOVE_HEAD(&sc->tx_free, next); - sc->tx_nfree--; - - data->m = m0; - data->ni = ni; - data->rate = rate; - - if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { - flags |= RT2573_TX_NEED_ACK; - flags |= RT2573_TX_MORE_FRAG; - - dur = ieee80211_ack_duration(sc->sc_rates, rate, - ic->ic_flags & IEEE80211_F_SHPREAMBLE); - *(uint16_t *)wh->i_dur = htole16(dur); - } - - rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, rate); - - DPRINTFN(10, "sending frame len=%d rate=%d\n", - m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, rate); - - STAILQ_INSERT_TAIL(&sc->tx_q, data, next); - usb2_transfer_start(sc->sc_xfer[RUM_BULK_WR]); - - return 0; -} - -static void -rum_start(struct ifnet *ifp) -{ - struct rum_softc *sc = ifp->if_softc; - struct ieee80211_node *ni; - struct mbuf *m; - - RUM_LOCK(sc); - if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { - RUM_UNLOCK(sc); - return; - } - for (;;) { - IFQ_DRV_DEQUEUE(&ifp->if_snd, m); - if (m == NULL) - break; - if (sc->tx_nfree == 0) { - IFQ_DRV_PREPEND(&ifp->if_snd, m); - ifp->if_drv_flags |= IFF_DRV_OACTIVE; - break; - } - ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; - m = ieee80211_encap(ni, m); - if (m == NULL) { - ieee80211_free_node(ni); - continue; - } - if (rum_tx_data(sc, m, ni) != 0) { - ieee80211_free_node(ni); - ifp->if_oerrors++; - break; - } - } - RUM_UNLOCK(sc); -} - -static int -rum_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) -{ - struct rum_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: - RUM_LOCK(sc); - if (ifp->if_flags & IFF_UP) { - if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { - rum_queue_command(sc, rum_init_task, - &sc->sc_synctask[0].hdr, - &sc->sc_synctask[1].hdr); - startall = 1; - } else - rum_queue_command(sc, rum_promisctask, - &sc->sc_promisctask[0].hdr, - &sc->sc_promisctask[1].hdr); - } else { - if (ifp->if_drv_flags & IFF_DRV_RUNNING) { - rum_queue_command(sc, rum_stop_task, - &sc->sc_synctask[0].hdr, - &sc->sc_synctask[1].hdr); - } - } - RUM_UNLOCK(sc); - 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 -rum_eeprom_read(struct rum_softc *sc, uint16_t addr, void *buf, int len) -{ - struct usb2_device_request req; - usb2_error_t error; - - req.bmRequestType = UT_READ_VENDOR_DEVICE; - req.bRequest = RT2573_READ_EEPROM; - USETW(req.wValue, 0); - USETW(req.wIndex, addr); - USETW(req.wLength, len); - - error = rum_do_request(sc, &req, buf); - if (error != 0) { - device_printf(sc->sc_dev, "could not read EEPROM: %s\n", - usb2_errstr(error)); - } -} - -static uint32_t -rum_read(struct rum_softc *sc, uint16_t reg) -{ - uint32_t val; - - rum_read_multi(sc, reg, &val, sizeof val); - - return le32toh(val); -} - -static void -rum_read_multi(struct rum_softc *sc, uint16_t reg, void *buf, int len) -{ - struct usb2_device_request req; - usb2_error_t error; - - req.bmRequestType = UT_READ_VENDOR_DEVICE; - req.bRequest = RT2573_READ_MULTI_MAC; - USETW(req.wValue, 0); - USETW(req.wIndex, reg); - USETW(req.wLength, len); - - error = rum_do_request(sc, &req, buf); - if (error != 0) { - device_printf(sc->sc_dev, - "could not multi read MAC register: %s\n", - usb2_errstr(error)); - } -} - -static void -rum_write(struct rum_softc *sc, uint16_t reg, uint32_t val) -{ - uint32_t tmp = htole32(val); - - rum_write_multi(sc, reg, &tmp, sizeof tmp); -} - -static void -rum_write_multi(struct rum_softc *sc, uint16_t reg, void *buf, size_t len) -{ - struct usb2_device_request req; - usb2_error_t error; - - req.bmRequestType = UT_WRITE_VENDOR_DEVICE; - req.bRequest = RT2573_WRITE_MULTI_MAC; - USETW(req.wValue, 0); - USETW(req.wIndex, reg); - USETW(req.wLength, len); - - error = rum_do_request(sc, &req, buf); - if (error != 0) { - device_printf(sc->sc_dev, - "could not multi write MAC register: %s\n", - usb2_errstr(error)); - } -} - -static void -rum_bbp_write(struct rum_softc *sc, uint8_t reg, uint8_t val) -{ - uint32_t tmp; - int ntries; - - for (ntries = 0; ntries < 100; ntries++) { - if (!(rum_read(sc, RT2573_PHY_CSR3) & RT2573_BBP_BUSY)) - break; - if (rum_pause(sc, hz / 100)) - break; - } - if (ntries == 100) { - device_printf(sc->sc_dev, "could not write to BBP\n"); - return; - } - - tmp = RT2573_BBP_BUSY | (reg & 0x7f) << 8 | val; - rum_write(sc, RT2573_PHY_CSR3, tmp); -} - -static uint8_t -rum_bbp_read(struct rum_softc *sc, uint8_t reg) -{ - uint32_t val; - int ntries; - - for (ntries = 0; ntries < 100; ntries++) { - if (!(rum_read(sc, RT2573_PHY_CSR3) & RT2573_BBP_BUSY)) - break; - if (rum_pause(sc, hz / 100)) - break; - } - if (ntries == 100) { - device_printf(sc->sc_dev, "could not read BBP\n"); - return 0; - } - - val = RT2573_BBP_BUSY | RT2573_BBP_READ | reg << 8; - rum_write(sc, RT2573_PHY_CSR3, val); - - for (ntries = 0; ntries < 100; ntries++) { - val = rum_read(sc, RT2573_PHY_CSR3); - if (!(val & RT2573_BBP_BUSY)) - return val & 0xff; - if (rum_pause(sc, hz / 100)) - break; - } - - device_printf(sc->sc_dev, "could not read BBP\n"); - return 0; -} - -static void -rum_rf_write(struct rum_softc *sc, uint8_t reg, uint32_t val) -{ - uint32_t tmp; - int ntries; - - for (ntries = 0; ntries < 100; ntries++) { - if (!(rum_read(sc, RT2573_PHY_CSR4) & RT2573_RF_BUSY)) - break; - if (rum_pause(sc, hz / 100)) - break; - } - if (ntries == 100) { - device_printf(sc->sc_dev, "could not write to RF\n"); - return; - } - - tmp = RT2573_RF_BUSY | RT2573_RF_20BIT | (val & 0xfffff) << 2 | - (reg & 3); - rum_write(sc, RT2573_PHY_CSR4, tmp); - - /* remember last written value in sc */ - sc->rf_regs[reg] = val; - - DPRINTFN(15, "RF R[%u] <- 0x%05x\n", reg & 3, val & 0xfffff); -} - -static void -rum_select_antenna(struct rum_softc *sc) -{ - uint8_t bbp4, bbp77; - uint32_t tmp; - - bbp4 = rum_bbp_read(sc, 4); - bbp77 = rum_bbp_read(sc, 77); - - /* TBD */ - - /* make sure Rx is disabled before switching antenna */ - tmp = rum_read(sc, RT2573_TXRX_CSR0); - rum_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX); - - rum_bbp_write(sc, 4, bbp4); - rum_bbp_write(sc, 77, bbp77); - - rum_write(sc, RT2573_TXRX_CSR0, tmp); -} - -/* - * Enable multi-rate retries for frames sent at OFDM rates. - * In 802.11b/g mode, allow fallback to CCK rates. - */ -static void -rum_enable_mrr(struct rum_softc *sc) -{ - struct ifnet *ifp = sc->sc_ifp; - struct ieee80211com *ic = ifp->if_l2com; - uint32_t tmp; - - tmp = rum_read(sc, RT2573_TXRX_CSR4); - - tmp &= ~RT2573_MRR_CCK_FALLBACK; - if (!IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan)) - tmp |= RT2573_MRR_CCK_FALLBACK; - tmp |= RT2573_MRR_ENABLED; - - rum_write(sc, RT2573_TXRX_CSR4, tmp); -} - -static void -rum_set_txpreamble(struct rum_softc *sc) -{ - struct ifnet *ifp = sc->sc_ifp; - struct ieee80211com *ic = ifp->if_l2com; - uint32_t tmp; - - tmp = rum_read(sc, RT2573_TXRX_CSR4); - - tmp &= ~RT2573_SHORT_PREAMBLE; - if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) - tmp |= RT2573_SHORT_PREAMBLE; - - rum_write(sc, RT2573_TXRX_CSR4, tmp); -} - -static void -rum_set_basicrates(struct rum_softc *sc) -{ - struct ifnet *ifp = sc->sc_ifp; - struct ieee80211com *ic = ifp->if_l2com; - - /* update basic rate set */ - if (ic->ic_curmode == IEEE80211_MODE_11B) { - /* 11b basic rates: 1, 2Mbps */ - rum_write(sc, RT2573_TXRX_CSR5, 0x3); - } else if (IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan)) { - /* 11a basic rates: 6, 12, 24Mbps */ - rum_write(sc, RT2573_TXRX_CSR5, 0x150); - } else { - /* 11b/g basic rates: 1, 2, 5.5, 11Mbps */ - rum_write(sc, RT2573_TXRX_CSR5, 0xf); - } -} - -/* - * Reprogram MAC/BBP to switch to a new band. Values taken from the reference - * driver. - */ -static void -rum_select_band(struct rum_softc *sc, struct ieee80211_channel *c) -{ - uint8_t bbp17, bbp35, bbp96, bbp97, bbp98, bbp104; - uint32_t tmp; - - /* update all BBP registers that depend on the band */ - bbp17 = 0x20; bbp96 = 0x48; bbp104 = 0x2c; - bbp35 = 0x50; bbp97 = 0x48; bbp98 = 0x48; - if (IEEE80211_IS_CHAN_5GHZ(c)) { - bbp17 += 0x08; bbp96 += 0x10; bbp104 += 0x0c; - bbp35 += 0x10; bbp97 += 0x10; bbp98 += 0x10; - } - if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) || - (IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) { - bbp17 += 0x10; bbp96 += 0x10; bbp104 += 0x10; - } - - sc->bbp17 = bbp17; - rum_bbp_write(sc, 17, bbp17); - rum_bbp_write(sc, 96, bbp96); - rum_bbp_write(sc, 104, bbp104); - - if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) || - (IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) { - rum_bbp_write(sc, 75, 0x80); - rum_bbp_write(sc, 86, 0x80); - rum_bbp_write(sc, 88, 0x80); - } - - rum_bbp_write(sc, 35, bbp35); - rum_bbp_write(sc, 97, bbp97); - rum_bbp_write(sc, 98, bbp98); - - tmp = rum_read(sc, RT2573_PHY_CSR0); - tmp &= ~(RT2573_PA_PE_2GHZ | RT2573_PA_PE_5GHZ); - if (IEEE80211_IS_CHAN_2GHZ(c)) - tmp |= RT2573_PA_PE_2GHZ; - else - tmp |= RT2573_PA_PE_5GHZ; - rum_write(sc, RT2573_PHY_CSR0, tmp); -} - -static void -rum_set_chan(struct rum_softc *sc, struct ieee80211_channel *c) -{ - struct ifnet *ifp = sc->sc_ifp; - struct ieee80211com *ic = ifp->if_l2com; - const struct rfprog *rfprog; - uint8_t bbp3, bbp94 = RT2573_BBPR94_DEFAULT; - int8_t power; - int i, chan; - - chan = ieee80211_chan2ieee(ic, c); - if (chan == 0 || chan == IEEE80211_CHAN_ANY) - return; - - /* select the appropriate RF settings based on what EEPROM says */ - rfprog = (sc->rf_rev == RT2573_RF_5225 || - sc->rf_rev == RT2573_RF_2527) ? rum_rf5225 : rum_rf5226; - - /* find the settings for this channel (we know it exists) */ - for (i = 0; rfprog[i].chan != chan; i++); - - power = sc->txpow[i]; - if (power < 0) { - bbp94 += power; - power = 0; - } else if (power > 31) { - bbp94 += power - 31; - power = 31; - } - - /* - * If we are switching from the 2GHz band to the 5GHz band or - * vice-versa, BBP registers need to be reprogrammed. - */ - if (c->ic_flags != ic->ic_curchan->ic_flags) { - rum_select_band(sc, c); - rum_select_antenna(sc); - } - ic->ic_curchan = c; - - rum_rf_write(sc, RT2573_RF1, rfprog[i].r1); - rum_rf_write(sc, RT2573_RF2, rfprog[i].r2); - rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7); - rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10); - - rum_rf_write(sc, RT2573_RF1, rfprog[i].r1); - rum_rf_write(sc, RT2573_RF2, rfprog[i].r2); - rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7 | 1); - rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10); - - rum_rf_write(sc, RT2573_RF1, rfprog[i].r1); - rum_rf_write(sc, RT2573_RF2, rfprog[i].r2); - rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7); - rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10); - - rum_pause(sc, hz / 100); - - /* enable smart mode for MIMO-capable RFs */ - bbp3 = rum_bbp_read(sc, 3); - - bbp3 &= ~RT2573_SMART_MODE; - if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_2527) - bbp3 |= RT2573_SMART_MODE; - - rum_bbp_write(sc, 3, bbp3); - - if (bbp94 != RT2573_BBPR94_DEFAULT) - rum_bbp_write(sc, 94, bbp94); -} - -/* - * Enable TSF synchronization and tell h/w to start sending beacons for IBSS - * and HostAP operating modes. - */ -static void -rum_enable_tsf_sync(struct rum_softc *sc) -{ - struct ifnet *ifp = sc->sc_ifp; - struct ieee80211com *ic = ifp->if_l2com; - struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); - uint32_t tmp; - - if (vap->iv_opmode != IEEE80211_M_STA) { - /* - * Change default 16ms TBTT adjustment to 8ms. - * Must be done before enabling beacon generation. - */ - rum_write(sc, RT2573_TXRX_CSR10, 1 << 12 | 8); - } - - tmp = rum_read(sc, RT2573_TXRX_CSR9) & 0xff000000; - - /* set beacon interval (in 1/16ms unit) */ - tmp |= vap->iv_bss->ni_intval * 16; - - tmp |= RT2573_TSF_TICKING | RT2573_ENABLE_TBTT; - if (vap->iv_opmode == IEEE80211_M_STA) - tmp |= RT2573_TSF_MODE(1); - else - tmp |= RT2573_TSF_MODE(2) | RT2573_GENERATE_BEACON; - - rum_write(sc, RT2573_TXRX_CSR9, tmp); -} - -static void -rum_update_slot(struct ifnet *ifp) -{ - struct rum_softc *sc = ifp->if_softc; - struct ieee80211com *ic = ifp->if_l2com; - uint8_t slottime; - uint32_t tmp; - - slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20; - - tmp = rum_read(sc, RT2573_MAC_CSR9); - tmp = (tmp & ~0xff) | slottime; - rum_write(sc, RT2573_MAC_CSR9, tmp); - - DPRINTF("setting slot time to %uus\n", slottime); -} - -static void -rum_set_bssid(struct rum_softc *sc, const uint8_t *bssid) -{ - uint32_t tmp; - - tmp = bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24; - rum_write(sc, RT2573_MAC_CSR4, tmp); - - tmp = bssid[4] | bssid[5] << 8 | RT2573_ONE_BSSID << 16; - rum_write(sc, RT2573_MAC_CSR5, tmp); -} - -static void -rum_set_macaddr(struct rum_softc *sc, const uint8_t *addr) -{ - uint32_t tmp; - - tmp = addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24; - rum_write(sc, RT2573_MAC_CSR2, tmp); - - tmp = addr[4] | addr[5] << 8 | 0xff << 16; - rum_write(sc, RT2573_MAC_CSR3, tmp); -} - -static void -rum_promisctask(struct usb2_proc_msg *pm) -{ - struct rum_task *task = (struct rum_task *)pm; - struct rum_softc *sc = task->sc; - struct ifnet *ifp = sc->sc_ifp; - uint32_t tmp; - - tmp = rum_read(sc, RT2573_TXRX_CSR0); - - tmp &= ~RT2573_DROP_NOT_TO_ME; - if (!(ifp->if_flags & IFF_PROMISC)) - tmp |= RT2573_DROP_NOT_TO_ME; - - rum_write(sc, RT2573_TXRX_CSR0, tmp); - - DPRINTF("%s promiscuous mode\n", (ifp->if_flags & IFF_PROMISC) ? - "entering" : "leaving"); -} - -static const char * -rum_get_rf(int rev) -{ - switch (rev) { - case RT2573_RF_2527: return "RT2527 (MIMO XR)"; - case RT2573_RF_2528: return "RT2528"; - case RT2573_RF_5225: return "RT5225 (MIMO XR)"; - case RT2573_RF_5226: return "RT5226"; - default: return "unknown"; - } -} - -static void -rum_read_eeprom(struct rum_softc *sc) -{ - uint16_t val; -#ifdef RUM_DEBUG - int i; -#endif - - /* read MAC address */ - rum_eeprom_read(sc, RT2573_EEPROM_ADDRESS, sc->sc_bssid, 6); - - rum_eeprom_read(sc, RT2573_EEPROM_ANTENNA, &val, 2); - val = le16toh(val); - sc->rf_rev = (val >> 11) & 0x1f; - sc->hw_radio = (val >> 10) & 0x1; - sc->rx_ant = (val >> 4) & 0x3; - sc->tx_ant = (val >> 2) & 0x3; - sc->nb_ant = val & 0x3; - - DPRINTF("RF revision=%d\n", sc->rf_rev); - - rum_eeprom_read(sc, RT2573_EEPROM_CONFIG2, &val, 2); - val = le16toh(val); - sc->ext_5ghz_lna = (val >> 6) & 0x1; - sc->ext_2ghz_lna = (val >> 4) & 0x1; - - DPRINTF("External 2GHz LNA=%d\nExternal 5GHz LNA=%d\n", - sc->ext_2ghz_lna, sc->ext_5ghz_lna); - - rum_eeprom_read(sc, RT2573_EEPROM_RSSI_2GHZ_OFFSET, &val, 2); - val = le16toh(val); - if ((val & 0xff) != 0xff) - sc->rssi_2ghz_corr = (int8_t)(val & 0xff); /* signed */ - - /* Only [-10, 10] is valid */ - if (sc->rssi_2ghz_corr < -10 || sc->rssi_2ghz_corr > 10) - sc->rssi_2ghz_corr = 0; - - rum_eeprom_read(sc, RT2573_EEPROM_RSSI_5GHZ_OFFSET, &val, 2); - val = le16toh(val); - if ((val & 0xff) != 0xff) - sc->rssi_5ghz_corr = (int8_t)(val & 0xff); /* signed */ - - /* Only [-10, 10] is valid */ - if (sc->rssi_5ghz_corr < -10 || sc->rssi_5ghz_corr > 10) - sc->rssi_5ghz_corr = 0; - - if (sc->ext_2ghz_lna) - sc->rssi_2ghz_corr -= 14; - if (sc->ext_5ghz_lna) - sc->rssi_5ghz_corr -= 14; - - DPRINTF("RSSI 2GHz corr=%d\nRSSI 5GHz corr=%d\n", - sc->rssi_2ghz_corr, sc->rssi_5ghz_corr); - - rum_eeprom_read(sc, RT2573_EEPROM_FREQ_OFFSET, &val, 2); - val = le16toh(val); - if ((val & 0xff) != 0xff) - sc->rffreq = val & 0xff; - - DPRINTF("RF freq=%d\n", sc->rffreq); - - /* read Tx power for all a/b/g channels */ - rum_eeprom_read(sc, RT2573_EEPROM_TXPOWER, sc->txpow, 14); - /* XXX default Tx power for 802.11a channels */ - memset(sc->txpow + 14, 24, sizeof (sc->txpow) - 14); -#ifdef RUM_DEBUG - for (i = 0; i < 14; i++) - DPRINTF("Channel=%d Tx power=%d\n", i + 1, sc->txpow[i]); -#endif - - /* read default values for BBP registers */ - rum_eeprom_read(sc, RT2573_EEPROM_BBP_BASE, sc->bbp_prom, 2 * 16); -#ifdef RUM_DEBUG - for (i = 0; i < 14; i++) { - if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff) - continue; - DPRINTF("BBP R%d=%02x\n", sc->bbp_prom[i].reg, - sc->bbp_prom[i].val); - } -#endif -} - -static int -rum_bbp_init(struct rum_softc *sc) -{ -#define N(a) (sizeof (a) / sizeof ((a)[0])) - int i, ntries; - - /* wait for BBP to be ready */ - for (ntries = 0; ntries < 100; ntries++) { - const uint8_t val = rum_bbp_read(sc, 0); - if (val != 0 && val != 0xff) - break; - if (rum_pause(sc, hz / 100)) - break; - } - if (ntries == 100) { - device_printf(sc->sc_dev, "timeout waiting for BBP\n"); - return EIO; - } - - /* initialize BBP registers to default values */ - for (i = 0; i < N(rum_def_bbp); i++) - rum_bbp_write(sc, rum_def_bbp[i].reg, rum_def_bbp[i].val); - - /* write vendor-specific BBP values (from EEPROM) */ - for (i = 0; i < 16; i++) { - if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff) - continue; - rum_bbp_write(sc, sc->bbp_prom[i].reg, sc->bbp_prom[i].val); - } - - return 0; -#undef N -} - -static void -rum_init_task(struct usb2_proc_msg *pm) -{ -#define N(a) (sizeof (a) / sizeof ((a)[0])) - struct rum_task *task = (struct rum_task *)pm; - struct rum_softc *sc = task->sc; - struct ifnet *ifp = sc->sc_ifp; - struct ieee80211com *ic = ifp->if_l2com; - uint32_t tmp; - usb2_error_t error; - int i, ntries; - - RUM_LOCK_ASSERT(sc, MA_OWNED); - - rum_stop_task(pm); - - /* initialize MAC registers to default values */ - for (i = 0; i < N(rum_def_mac); i++) - rum_write(sc, rum_def_mac[i].reg, rum_def_mac[i].val); - - /* set host ready */ - rum_write(sc, RT2573_MAC_CSR1, 3); - rum_write(sc, RT2573_MAC_CSR1, 0); - - /* wait for BBP/RF to wakeup */ - for (ntries = 0; ntries < 100; ntries++) { - if (rum_read(sc, RT2573_MAC_CSR12) & 8) - break; - rum_write(sc, RT2573_MAC_CSR12, 4); /* force wakeup */ - if (rum_pause(sc, hz / 100)) - break; - } - if (ntries == 100) { - device_printf(sc->sc_dev, - "timeout waiting for BBP/RF to wakeup\n"); - goto fail; - } - - if ((error = rum_bbp_init(sc)) != 0) - goto fail; - - /* select default channel */ - rum_select_band(sc, ic->ic_curchan); - rum_select_antenna(sc); - rum_set_chan(sc, ic->ic_curchan); - - /* clear STA registers */ - rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta); - - IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp)); - rum_set_macaddr(sc, ic->ic_myaddr); - - /* initialize ASIC */ - rum_write(sc, RT2573_MAC_CSR1, 4); - - /* - * Allocate Tx and Rx xfer queues. - */ - rum_setup_tx_list(sc); - - /* update Rx filter */ - tmp = rum_read(sc, RT2573_TXRX_CSR0) & 0xffff; - - tmp |= RT2573_DROP_PHY_ERROR | RT2573_DROP_CRC_ERROR; - if (ic->ic_opmode != IEEE80211_M_MONITOR) { - tmp |= RT2573_DROP_CTL | RT2573_DROP_VER_ERROR | - RT2573_DROP_ACKCTS; - if (ic->ic_opmode != IEEE80211_M_HOSTAP) - tmp |= RT2573_DROP_TODS; - if (!(ifp->if_flags & IFF_PROMISC)) - tmp |= RT2573_DROP_NOT_TO_ME; - } - rum_write(sc, RT2573_TXRX_CSR0, tmp); - - ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; - ifp->if_drv_flags |= IFF_DRV_RUNNING; - usb2_transfer_set_stall(sc->sc_xfer[RUM_BULK_WR]); - usb2_transfer_start(sc->sc_xfer[RUM_BULK_RD]); - return; - -fail: rum_stop_task(pm); -#undef N -} - -static void -rum_init(void *priv) -{ - struct rum_softc *sc = priv; - struct ifnet *ifp = sc->sc_ifp; - struct ieee80211com *ic = ifp->if_l2com; - - RUM_LOCK(sc); - rum_queue_command(sc, rum_init_task, - &sc->sc_synctask[0].hdr, - &sc->sc_synctask[1].hdr); - RUM_UNLOCK(sc); - - if (ifp->if_drv_flags & IFF_DRV_RUNNING) - ieee80211_start_all(ic); /* start all vap's */ -} - -static void -rum_stop_task(struct usb2_proc_msg *pm) -{ - struct rum_task *task = (struct rum_task *)pm; - struct rum_softc *sc = task->sc; - struct ifnet *ifp = sc->sc_ifp; - uint32_t tmp; - - RUM_LOCK_ASSERT(sc, MA_OWNED); - - ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); - - RUM_UNLOCK(sc); - - /* - * Drain the USB transfers, if not already drained: - */ - usb2_transfer_drain(sc->sc_xfer[RUM_BULK_WR]); - usb2_transfer_drain(sc->sc_xfer[RUM_BULK_RD]); - - RUM_LOCK(sc); - - rum_unsetup_tx_list(sc); - - /* disable Rx */ - tmp = rum_read(sc, RT2573_TXRX_CSR0); - rum_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX); - - /* reset ASIC */ - rum_write(sc, RT2573_MAC_CSR1, 3); - rum_write(sc, RT2573_MAC_CSR1, 0); -} - -static int -rum_load_microcode(struct rum_softc *sc, const u_char *ucode, size_t size) -{ - struct usb2_device_request req; - uint16_t reg = RT2573_MCU_CODE_BASE; - usb2_error_t error; - - /* copy firmware image into NIC */ - for (; size >= 4; reg += 4, ucode += 4, size -= 4) - rum_write(sc, reg, UGETDW(ucode)); - - req.bmRequestType = UT_WRITE_VENDOR_DEVICE; - req.bRequest = RT2573_MCU_CNTL; - USETW(req.wValue, RT2573_MCU_RUN); - USETW(req.wIndex, 0); - USETW(req.wLength, 0); - - error = rum_do_request(sc, &req, NULL); - if (error != 0) { - device_printf(sc->sc_dev, "could not run firmware: %s\n", - usb2_errstr(error)); - } - return error; -} - -static int -rum_prepare_beacon(struct rum_softc *sc, struct ieee80211vap *vap) -{ - struct ieee80211com *ic = vap->iv_ic; - const struct ieee80211_txparam *tp; - struct rum_tx_desc desc; - struct mbuf *m0; - - m0 = ieee80211_beacon_alloc(vap->iv_bss, &RUM_VAP(vap)->bo); - if (m0 == NULL) { - return ENOBUFS; - } - - tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)]; - rum_setup_tx_desc(sc, &desc, RT2573_TX_TIMESTAMP, RT2573_TX_HWSEQ, - m0->m_pkthdr.len, tp->mgmtrate); - - /* copy the first 24 bytes of Tx descriptor into NIC memory */ - rum_write_multi(sc, RT2573_HW_BEACON_BASE0, (uint8_t *)&desc, 24); - - /* copy beacon header and payload into NIC memory */ - rum_write_multi(sc, RT2573_HW_BEACON_BASE0 + 24, mtod(m0, uint8_t *), - m0->m_pkthdr.len); - - m_freem(m0); - - return 0; -} - -static int -rum_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, - const struct ieee80211_bpf_params *params) -{ - struct ifnet *ifp = ni->ni_ic->ic_ifp; - struct rum_softc *sc = ifp->if_softc; - - RUM_LOCK(sc); - /* prevent management frames from being sent if we're not ready */ - if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { - RUM_UNLOCK(sc); - m_freem(m); - ieee80211_free_node(ni); - return ENETDOWN; - } - if (sc->tx_nfree == 0) { - ifp->if_drv_flags |= IFF_DRV_OACTIVE; - RUM_UNLOCK(sc); - m_freem(m); - ieee80211_free_node(ni); - return EIO; - } - - ifp->if_opackets++; - - if (params == NULL) { - /* - * Legacy path; interpret frame contents to decide - * precisely how to send the frame. - */ - if (rum_tx_mgt(sc, m, ni) != 0) - goto bad; - } else { - /* - * Caller supplied explicit parameters to use in - * sending the frame. - */ - if (rum_tx_raw(sc, m, ni, params) != 0) - goto bad; - } - RUM_UNLOCK(sc); - - return 0; -bad: - ifp->if_oerrors++; - RUM_UNLOCK(sc); - ieee80211_free_node(ni); - return EIO; -} - -static void -rum_amrr_start(struct rum_softc *sc, struct ieee80211_node *ni) -{ - struct ieee80211vap *vap = ni->ni_vap; - struct rum_vap *rvp = RUM_VAP(vap); - - /* clear statistic registers (STA_CSR0 to STA_CSR5) */ - rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta); - - ieee80211_amrr_node_init(&rvp->amrr, &RUM_NODE(ni)->amn, ni); - - usb2_callout_reset(&rvp->amrr_ch, hz, rum_amrr_timeout, rvp); -} - -static void -rum_amrr_timeout(void *arg) -{ - struct rum_vap *rvp = arg; - struct rum_softc *sc = rvp->sc; - - rum_queue_command(sc, rum_amrr_task, - &rvp->amrr_task[0].hdr, &rvp->amrr_task[1].hdr); -} - -static void -rum_amrr_task(struct usb2_proc_msg *pm) -{ - struct rum_task *task = (struct rum_task *)pm; - struct rum_softc *sc = task->sc; - struct ifnet *ifp = sc->sc_ifp; - struct ieee80211com *ic = ifp->if_l2com; - struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); - struct rum_vap *rvp = RUM_VAP(vap); - struct ieee80211_node *ni = vap->iv_bss; - int ok, fail; - - /* read and clear statistic registers (STA_CSR0 to STA_CSR10) */ - rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof(sc->sta)); - - ok = (le32toh(sc->sta[4]) >> 16) + /* TX ok w/o retry */ - (le32toh(sc->sta[5]) & 0xffff); /* TX ok w/ retry */ - fail = (le32toh(sc->sta[5]) >> 16); /* TX retry-fail count */ - - ieee80211_amrr_tx_update(&RUM_NODE(ni)->amn, - ok+fail, ok, (le32toh(sc->sta[5]) & 0xffff) + fail); - (void) ieee80211_amrr_choose(ni, &RUM_NODE(ni)->amn); - - ifp->if_oerrors += fail; /* count TX retry-fail as Tx errors */ - - usb2_callout_reset(&rvp->amrr_ch, hz, rum_amrr_timeout, rvp); -} - -/* ARGUSED */ -static struct ieee80211_node * -rum_node_alloc(struct ieee80211vap *vap __unused, - const uint8_t mac[IEEE80211_ADDR_LEN] __unused) -{ - struct rum_node *rn; - - rn = malloc(sizeof(struct rum_node), M_80211_NODE, M_NOWAIT | M_ZERO); - return rn != NULL ? &rn->ni : NULL; -} - -static void -rum_newassoc(struct ieee80211_node *ni, int isnew) -{ - struct ieee80211vap *vap = ni->ni_vap; - - ieee80211_amrr_node_init(&RUM_VAP(vap)->amrr, &RUM_NODE(ni)->amn, ni); -} - -static void -rum_scan_start(struct ieee80211com *ic) -{ - struct rum_softc *sc = ic->ic_ifp->if_softc; - - RUM_LOCK(sc); - /* do it in a process context */ - sc->sc_scan_action = RUM_SCAN_START; - rum_queue_command(sc, rum_scantask, - &sc->sc_scantask[0].hdr, &sc->sc_scantask[1].hdr); - RUM_UNLOCK(sc); - -} - -static void -rum_scan_end(struct ieee80211com *ic) -{ - struct rum_softc *sc = ic->ic_ifp->if_softc; - - RUM_LOCK(sc); - /* do it in a process context */ - sc->sc_scan_action = RUM_SCAN_END; - rum_queue_command(sc, rum_scantask, - &sc->sc_scantask[0].hdr, &sc->sc_scantask[1].hdr); - RUM_UNLOCK(sc); - -} - -static void -rum_set_channel(struct ieee80211com *ic) -{ - struct rum_softc *sc = ic->ic_ifp->if_softc; - - RUM_LOCK(sc); - /* do it in a process context */ - sc->sc_scan_action = RUM_SET_CHANNEL; - sc->sc_rates = ieee80211_get_ratetable(ic->ic_curchan); - rum_queue_command(sc, rum_scantask, - &sc->sc_scantask[0].hdr, &sc->sc_scantask[1].hdr); - RUM_UNLOCK(sc); -} - -static void -rum_scantask(struct usb2_proc_msg *pm) -{ - struct rum_task *task = (struct rum_task *)pm; - struct rum_softc *sc = task->sc; - struct ifnet *ifp = sc->sc_ifp; - struct ieee80211com *ic = ifp->if_l2com; - uint32_t tmp; - - RUM_LOCK_ASSERT(sc, MA_OWNED); - - switch (sc->sc_scan_action) { - case RUM_SCAN_START: - /* abort TSF synchronization */ - tmp = rum_read(sc, RT2573_TXRX_CSR9); - rum_write(sc, RT2573_TXRX_CSR9, tmp & ~0x00ffffff); - rum_set_bssid(sc, ifp->if_broadcastaddr); - break; - - case RUM_SET_CHANNEL: - rum_set_chan(sc, ic->ic_curchan); - break; - - default: /* RUM_SCAN_END */ - rum_enable_tsf_sync(sc); - rum_set_bssid(sc, sc->sc_bssid); - break; - } -} - -static int -rum_get_rssi(struct rum_softc *sc, uint8_t raw) -{ - struct ifnet *ifp = sc->sc_ifp; - struct ieee80211com *ic = ifp->if_l2com; - int lna, agc, rssi; - - lna = (raw >> 5) & 0x3; - agc = raw & 0x1f; - - if (lna == 0) { - /* - * No RSSI mapping - * - * NB: Since RSSI is relative to noise floor, -1 is - * adequate for caller to know error happened. - */ - return -1; - } - - rssi = (2 * agc) - RT2573_NOISE_FLOOR; - - if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) { - rssi += sc->rssi_2ghz_corr; - - if (lna == 1) - rssi -= 64; - else if (lna == 2) - rssi -= 74; - else if (lna == 3) - rssi -= 90; - } else { - rssi += sc->rssi_5ghz_corr; - - if (!sc->ext_5ghz_lna && lna != 1) - rssi += 4; - - if (lna == 1) - rssi -= 64; - else if (lna == 2) - rssi -= 86; - else if (lna == 3) - rssi -= 100; - } - return rssi; -} - -static int -rum_pause(struct rum_softc *sc, int timeout) -{ - if (usb2_proc_is_gone(&sc->sc_tq)) - return (1); - - usb2_pause_mtx(&sc->sc_mtx, timeout); - return (0); -} - -static void -rum_queue_command(struct rum_softc *sc, usb2_proc_callback_t *fn, - struct usb2_proc_msg *t0, struct usb2_proc_msg *t1) -{ - struct rum_task *task; - - RUM_LOCK_ASSERT(sc, MA_OWNED); - - if (usb2_proc_is_gone(&sc->sc_tq)) { - DPRINTF("proc is gone\n"); - return; /* nothing to do */ - } - /* - * NOTE: The task cannot get executed before we drop the - * "sc_mtx" mutex. It is safe to update fields in the message - * structure after that the message got queued. - */ - task = (struct rum_task *) - usb2_proc_msignal(&sc->sc_tq, t0, t1); - - /* Setup callback and softc pointers */ - task->hdr.pm_callback = fn; - task->sc = sc; - - /* - * Init and stop must be synchronous! - */ - if ((fn == rum_init_task) || (fn == rum_stop_task)) - usb2_proc_mwait(&sc->sc_tq, t0, t1); -} - -static device_method_t rum_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, rum_match), - DEVMETHOD(device_attach, rum_attach), - DEVMETHOD(device_detach, rum_detach), - - { 0, 0 } -}; - -static driver_t rum_driver = { - .name = "rum", - .methods = rum_methods, - .size = sizeof(struct rum_softc), -}; - -static devclass_t rum_devclass; - -DRIVER_MODULE(rum, ushub, rum_driver, rum_devclass, NULL, 0); |
