Index: dev/ral/if_ral.c =================================================================== RCS file: dev/ral/if_ral.c diff -N dev/ral/if_ral.c --- dev/ral/if_ral.c 25 Feb 2006 00:50:19 -0000 1.10.2.7 +++ /dev/null 1 Jan 1970 00:00:00 -0000 @@ -1,2864 +0,0 @@ -/* $FreeBSD: src/sys/dev/ral/if_ral.c,v 1.10.2.7 2006/02/25 00:50:19 sam Exp $ */ - -/*- - * Copyright (c) 2005, 2006 - * Damien Bergamini - * - * 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: src/sys/dev/ral/if_ral.c,v 1.10.2.7 2006/02/25 00:50:19 sam Exp $"); - -/*- - * Ralink Technology RT2500 chipset driver - * http://www.ralinktech.com/ - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#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 RAL_DEBUG -#define DPRINTF(x) do { if (ral_debug > 0) printf x; } while (0) -#define DPRINTFN(n, x) do { if (ral_debug >= (n)) printf x; } while (0) -int ral_debug = 0; -SYSCTL_INT(_debug, OID_AUTO, ral, CTLFLAG_RW, &ral_debug, 0, "ral debug level"); -#else -#define DPRINTF(x) -#define DPRINTFN(n, x) -#endif - -MODULE_DEPEND(ral, wlan, 1, 1, 1); - -static void ral_dma_map_addr(void *, bus_dma_segment_t *, int, int); -static int ral_alloc_tx_ring(struct ral_softc *, - struct ral_tx_ring *, int); -static void ral_reset_tx_ring(struct ral_softc *, - struct ral_tx_ring *); -static void ral_free_tx_ring(struct ral_softc *, - struct ral_tx_ring *); -static int ral_alloc_rx_ring(struct ral_softc *, - struct ral_rx_ring *, int); -static void ral_reset_rx_ring(struct ral_softc *, - struct ral_rx_ring *); -static void ral_free_rx_ring(struct ral_softc *, - struct ral_rx_ring *); -static struct ieee80211_node *ral_node_alloc( - struct ieee80211_node_table *); -static int ral_media_change(struct ifnet *); -static void ral_next_scan(void *); -static void ral_iter_func(void *, struct ieee80211_node *); -static void ral_update_rssadapt(void *); -static int ral_newstate(struct ieee80211com *, - enum ieee80211_state, int); -static uint16_t ral_eeprom_read(struct ral_softc *, uint8_t); -static void ral_encryption_intr(struct ral_softc *); -static void ral_tx_intr(struct ral_softc *); -static void ral_prio_intr(struct ral_softc *); -static void ral_decryption_intr(struct ral_softc *); -static void ral_rx_intr(struct ral_softc *); -static void ral_beacon_expire(struct ral_softc *); -static void ral_wakeup_expire(struct ral_softc *); -static void ral_intr(void *); -static uint8_t ral_rxrate(struct ral_rx_desc *); -static int ral_ack_rate(struct ieee80211com *, int); -static uint16_t ral_txtime(int, int, uint32_t); -static uint8_t ral_plcp_signal(int); -static void ral_setup_tx_desc(struct ral_softc *, - struct ral_tx_desc *, uint32_t, int, int, int, - bus_addr_t); -static int ral_tx_bcn(struct ral_softc *, struct mbuf *, - struct ieee80211_node *); -static int ral_tx_mgt(struct ral_softc *, struct mbuf *, - struct ieee80211_node *); -static struct mbuf *ral_get_rts(struct ral_softc *, - struct ieee80211_frame *, uint16_t); -static int ral_tx_data(struct ral_softc *, struct mbuf *, - struct ieee80211_node *); -static void ral_start(struct ifnet *); -static void ral_watchdog(struct ifnet *); -static int ral_reset(struct ifnet *); -static int ral_ioctl(struct ifnet *, u_long, caddr_t); -static void ral_bbp_write(struct ral_softc *, uint8_t, uint8_t); -static uint8_t ral_bbp_read(struct ral_softc *, uint8_t); -static void ral_rf_write(struct ral_softc *, uint8_t, uint32_t); -static void ral_set_chan(struct ral_softc *, - struct ieee80211_channel *); -#if 0 -static void ral_disable_rf_tune(struct ral_softc *); -#endif -static void ral_enable_tsf_sync(struct ral_softc *); -static void ral_update_plcp(struct ral_softc *); -static void ral_update_slot(struct ifnet *); -static void ral_set_basicrates(struct ral_softc *); -static void ral_update_led(struct ral_softc *, int, int); -static void ral_set_bssid(struct ral_softc *, uint8_t *); -static void ral_set_macaddr(struct ral_softc *, uint8_t *); -static void ral_get_macaddr(struct ral_softc *, uint8_t *); -static void ral_update_promisc(struct ral_softc *); -static const char *ral_get_rf(int); -static void ral_read_eeprom(struct ral_softc *); -static int ral_bbp_init(struct ral_softc *); -static void ral_set_txantenna(struct ral_softc *, int); -static void ral_set_rxantenna(struct ral_softc *, int); -static void ral_init(void *); - -devclass_t ral_devclass; - -/* - * Supported rates for 802.11a/b/g modes (in 500Kbps unit). - */ -static const struct ieee80211_rateset ral_rateset_11a = - { 8, { 12, 18, 24, 36, 48, 72, 96, 108 } }; - -static const struct ieee80211_rateset ral_rateset_11b = - { 4, { 2, 4, 11, 22 } }; - -static const struct ieee80211_rateset ral_rateset_11g = - { 12, { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 } }; - -/* - * Default values for MAC registers; values taken from the reference driver. - */ -static const struct { - uint32_t reg; - uint32_t val; -} ral_def_mac[] = { - { RAL_PSCSR0, 0x00020002 }, - { RAL_PSCSR1, 0x00000002 }, - { RAL_PSCSR2, 0x00020002 }, - { RAL_PSCSR3, 0x00000002 }, - { RAL_TIMECSR, 0x00003f21 }, - { RAL_CSR9, 0x00000780 }, - { RAL_CSR11, 0x07041483 }, - { RAL_CNT3, 0x00000000 }, - { RAL_TXCSR1, 0x07614562 }, - { RAL_ARSP_PLCP_0, 0x8c8d8b8a }, - { RAL_ACKPCTCSR, 0x7038140a }, - { RAL_ARTCSR1, 0x1d21252d }, - { RAL_ARTCSR2, 0x1919191d }, - { RAL_RXCSR0, 0xffffffff }, - { RAL_RXCSR3, 0xb3aab3af }, - { RAL_PCICSR, 0x000003b8 }, - { RAL_PWRCSR0, 0x3f3b3100 }, - { RAL_GPIOCSR, 0x0000ff00 }, - { RAL_TESTCSR, 0x000000f0 }, - { RAL_PWRCSR1, 0x000001ff }, - { RAL_MACCSR0, 0x00213223 }, - { RAL_MACCSR1, 0x00235518 }, - { RAL_RLPWCSR, 0x00000040 }, - { RAL_RALINKCSR, 0x9a009a11 }, - { RAL_CSR7, 0xffffffff }, - { RAL_BBPCSR1, 0x82188200 }, - { RAL_TXACKCSR0, 0x00000020 }, - { RAL_SECCSR3, 0x0000e78f } -}; - -/* - * Default values for BBP registers; values taken from the reference driver. - */ -static const struct { - uint8_t reg; - uint8_t val; -} ral_def_bbp[] = { - { 3, 0x02 }, - { 4, 0x19 }, - { 14, 0x1c }, - { 15, 0x30 }, - { 16, 0xac }, - { 17, 0x48 }, - { 18, 0x18 }, - { 19, 0xff }, - { 20, 0x1e }, - { 21, 0x08 }, - { 22, 0x08 }, - { 23, 0x08 }, - { 24, 0x80 }, - { 25, 0x50 }, - { 26, 0x08 }, - { 27, 0x23 }, - { 30, 0x10 }, - { 31, 0x2b }, - { 32, 0xb9 }, - { 34, 0x12 }, - { 35, 0x50 }, - { 39, 0xc4 }, - { 40, 0x02 }, - { 41, 0x60 }, - { 53, 0x10 }, - { 54, 0x18 }, - { 56, 0x08 }, - { 57, 0x10 }, - { 58, 0x08 }, - { 61, 0x60 }, - { 62, 0x10 }, - { 75, 0xff } -}; - -/* - * Default values for RF register R2 indexed by channel numbers; values taken - * from the reference driver. - */ -static const uint32_t ral_rf2522_r2[] = { - 0x307f6, 0x307fb, 0x30800, 0x30805, 0x3080a, 0x3080f, 0x30814, - 0x30819, 0x3081e, 0x30823, 0x30828, 0x3082d, 0x30832, 0x3083e -}; - -static const uint32_t ral_rf2523_r2[] = { - 0x00327, 0x00328, 0x00329, 0x0032a, 0x0032b, 0x0032c, 0x0032d, - 0x0032e, 0x0032f, 0x00340, 0x00341, 0x00342, 0x00343, 0x00346 -}; - -static const uint32_t ral_rf2524_r2[] = { - 0x00327, 0x00328, 0x00329, 0x0032a, 0x0032b, 0x0032c, 0x0032d, - 0x0032e, 0x0032f, 0x00340, 0x00341, 0x00342, 0x00343, 0x00346 -}; - -static const uint32_t ral_rf2525_r2[] = { - 0x20327, 0x20328, 0x20329, 0x2032a, 0x2032b, 0x2032c, 0x2032d, - 0x2032e, 0x2032f, 0x20340, 0x20341, 0x20342, 0x20343, 0x20346 -}; - -static const uint32_t ral_rf2525_hi_r2[] = { - 0x2032f, 0x20340, 0x20341, 0x20342, 0x20343, 0x20344, 0x20345, - 0x20346, 0x20347, 0x20348, 0x20349, 0x2034a, 0x2034b, 0x2034e -}; - -static const uint32_t ral_rf2525e_r2[] = { - 0x2044d, 0x2044e, 0x2044f, 0x20460, 0x20461, 0x20462, 0x20463, - 0x20464, 0x20465, 0x20466, 0x20467, 0x20468, 0x20469, 0x2046b -}; - -static const uint32_t ral_rf2526_hi_r2[] = { - 0x0022a, 0x0022b, 0x0022b, 0x0022c, 0x0022c, 0x0022d, 0x0022d, - 0x0022e, 0x0022e, 0x0022f, 0x0022d, 0x00240, 0x00240, 0x00241 -}; - -static const uint32_t ral_rf2526_r2[] = { - 0x00226, 0x00227, 0x00227, 0x00228, 0x00228, 0x00229, 0x00229, - 0x0022a, 0x0022a, 0x0022b, 0x0022b, 0x0022c, 0x0022c, 0x0022d -}; - -/* - * For dual-band RF, RF registers R1 and R4 also depend on channel number; - * values taken from the reference driver. - */ -static const struct { - uint8_t chan; - uint32_t r1; - uint32_t r2; - uint32_t r4; -} ral_rf5222[] = { - { 1, 0x08808, 0x0044d, 0x00282 }, - { 2, 0x08808, 0x0044e, 0x00282 }, - { 3, 0x08808, 0x0044f, 0x00282 }, - { 4, 0x08808, 0x00460, 0x00282 }, - { 5, 0x08808, 0x00461, 0x00282 }, - { 6, 0x08808, 0x00462, 0x00282 }, - { 7, 0x08808, 0x00463, 0x00282 }, - { 8, 0x08808, 0x00464, 0x00282 }, - { 9, 0x08808, 0x00465, 0x00282 }, - { 10, 0x08808, 0x00466, 0x00282 }, - { 11, 0x08808, 0x00467, 0x00282 }, - { 12, 0x08808, 0x00468, 0x00282 }, - { 13, 0x08808, 0x00469, 0x00282 }, - { 14, 0x08808, 0x0046b, 0x00286 }, - - { 36, 0x08804, 0x06225, 0x00287 }, - { 40, 0x08804, 0x06226, 0x00287 }, - { 44, 0x08804, 0x06227, 0x00287 }, - { 48, 0x08804, 0x06228, 0x00287 }, - { 52, 0x08804, 0x06229, 0x00287 }, - { 56, 0x08804, 0x0622a, 0x00287 }, - { 60, 0x08804, 0x0622b, 0x00287 }, - { 64, 0x08804, 0x0622c, 0x00287 }, - - { 100, 0x08804, 0x02200, 0x00283 }, - { 104, 0x08804, 0x02201, 0x00283 }, - { 108, 0x08804, 0x02202, 0x00283 }, - { 112, 0x08804, 0x02203, 0x00283 }, - { 116, 0x08804, 0x02204, 0x00283 }, - { 120, 0x08804, 0x02205, 0x00283 }, - { 124, 0x08804, 0x02206, 0x00283 }, - { 128, 0x08804, 0x02207, 0x00283 }, - { 132, 0x08804, 0x02208, 0x00283 }, - { 136, 0x08804, 0x02209, 0x00283 }, - { 140, 0x08804, 0x0220a, 0x00283 }, - - { 149, 0x08808, 0x02429, 0x00281 }, - { 153, 0x08808, 0x0242b, 0x00281 }, - { 157, 0x08808, 0x0242d, 0x00281 }, - { 161, 0x08808, 0x0242f, 0x00281 } -}; - -int -ral_attach(device_t dev) -{ - struct ral_softc *sc = device_get_softc(dev); - struct ifnet *ifp; - struct ieee80211com *ic = &sc->sc_ic; - int error, i; - - sc->sc_dev = dev; - - mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, - MTX_DEF | MTX_RECURSE); - - callout_init(&sc->scan_ch, debug_mpsafenet ? CALLOUT_MPSAFE : 0); - callout_init(&sc->rssadapt_ch, CALLOUT_MPSAFE); - - /* retrieve RT2560 rev. no */ - sc->asic_rev = RAL_READ(sc, RAL_CSR0); - - /* retrieve MAC address */ - ral_get_macaddr(sc, ic->ic_myaddr); - - /* retrieve RF rev. no and various other things from EEPROM */ - ral_read_eeprom(sc); - - device_printf(dev, "MAC/BBP RT2560 (rev 0x%02x), RF %s\n", - sc->asic_rev, ral_get_rf(sc->rf_rev)); - - /* - * Allocate Tx and Rx rings. - */ - if (ral_alloc_tx_ring(sc, &sc->txq, RAL_TX_RING_COUNT) != 0) { - device_printf(sc->sc_dev, "could not allocate Tx ring\n"); - goto fail1; - } - - if (ral_alloc_tx_ring(sc, &sc->atimq, RAL_ATIM_RING_COUNT) != 0) { - device_printf(sc->sc_dev, "could not allocate ATIM ring\n"); - goto fail2; - } - - if (ral_alloc_tx_ring(sc, &sc->prioq, RAL_PRIO_RING_COUNT) != 0) { - device_printf(sc->sc_dev, "could not allocate Prio ring\n"); - goto fail3; - } - - if (ral_alloc_tx_ring(sc, &sc->bcnq, RAL_BEACON_RING_COUNT) != 0) { - device_printf(sc->sc_dev, "could not allocate Beacon ring\n"); - goto fail4; - } - - if (ral_alloc_rx_ring(sc, &sc->rxq, RAL_RX_RING_COUNT) != 0) { - device_printf(sc->sc_dev, "could not allocate Rx ring\n"); - goto fail5; - } - ifp = sc->sc_ifp = if_alloc(IFT_ETHER); - if (ifp == NULL) { - device_printf(sc->sc_dev, "can not if_alloc()\n"); - goto fail6; - } - ifp->if_softc = sc; - if_initname(ifp, device_get_name(dev), device_get_unit(dev)); - ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; - ifp->if_init = ral_init; - ifp->if_ioctl = ral_ioctl; - ifp->if_start = ral_start; - ifp->if_watchdog = ral_watchdog; - 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 */ - ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ - ic->ic_state = IEEE80211_S_INIT; - - /* set device capabilities */ - ic->ic_caps = - 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_WPA; /* 802.11i */ - - if (sc->rf_rev == RAL_RF_5222) { - /* set supported .11a rates */ - ic->ic_sup_rates[IEEE80211_MODE_11A] = ral_rateset_11a; - - /* set supported .11a channels */ - for (i = 36; i <= 64; i += 4) { - ic->ic_channels[i].ic_freq = - ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); - ic->ic_channels[i].ic_flags = IEEE80211_CHAN_A; - } - for (i = 100; i <= 140; i += 4) { - ic->ic_channels[i].ic_freq = - ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); - ic->ic_channels[i].ic_flags = IEEE80211_CHAN_A; - } - for (i = 149; i <= 161; i += 4) { - ic->ic_channels[i].ic_freq = - ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); - ic->ic_channels[i].ic_flags = IEEE80211_CHAN_A; - } - } - - /* set supported .11b and .11g rates */ - ic->ic_sup_rates[IEEE80211_MODE_11B] = ral_rateset_11b; - ic->ic_sup_rates[IEEE80211_MODE_11G] = ral_rateset_11g; - - /* set supported .11b and .11g channels (1 through 14) */ - for (i = 1; i <= 14; i++) { - ic->ic_channels[i].ic_freq = - ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); - ic->ic_channels[i].ic_flags = - IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | - IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; - } - - ieee80211_ifattach(ic); - ic->ic_node_alloc = ral_node_alloc; - ic->ic_updateslot = ral_update_slot; - ic->ic_reset = ral_reset; - /* enable s/w bmiss handling in sta mode */ - ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS; - - /* override state transition machine */ - sc->sc_newstate = ic->ic_newstate; - ic->ic_newstate = ral_newstate; - ieee80211_media_init(ic, ral_media_change, ieee80211_media_status); - - bpfattach2(ifp, DLT_IEEE802_11_RADIO, - sizeof (struct ieee80211_frame) + 64, &sc->sc_drvbpf); - - sc->sc_rxtap_len = sizeof sc->sc_rxtapu; - sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); - sc->sc_rxtap.wr_ihdr.it_present = htole32(RAL_RX_RADIOTAP_PRESENT); - - sc->sc_txtap_len = sizeof sc->sc_txtapu; - sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); - sc->sc_