summaryrefslogtreecommitdiffstats
path: root/freebsd/sys/dev/rtwn/if_rtwn.c
diff options
context:
space:
mode:
Diffstat (limited to 'freebsd/sys/dev/rtwn/if_rtwn.c')
-rw-r--r--freebsd/sys/dev/rtwn/if_rtwn.c2020
1 files changed, 2020 insertions, 0 deletions
diff --git a/freebsd/sys/dev/rtwn/if_rtwn.c b/freebsd/sys/dev/rtwn/if_rtwn.c
new file mode 100644
index 00000000..a553814f
--- /dev/null
+++ b/freebsd/sys/dev/rtwn/if_rtwn.c
@@ -0,0 +1,2020 @@
+#include <machine/rtems-bsd-kernel-space.h>
+
+/* $OpenBSD: if_urtwn.c,v 1.16 2011/02/10 17:26:40 jakemsr Exp $ */
+
+/*-
+ * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
+ * Copyright (c) 2014 Kevin Lo <kevlo@FreeBSD.org>
+ * Copyright (c) 2015-2016 Andriy Voskoboinyk <avos@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("$FreeBSD$");
+
+/*
+ * Driver for Realtek RTL8188CE-VAU/RTL8188CUS/RTL8188EU/RTL8188RU/RTL8192CU/RTL8812AU/RTL8821AU.
+ */
+#include <rtems/bsd/local/opt_wlan.h>
+
+#include <rtems/bsd/sys/param.h>
+#include <sys/sockio.h>
+#include <sys/sysctl.h>
+#include <rtems/bsd/sys/lock.h>
+#include <sys/mutex.h>
+#include <sys/mbuf.h>
+#include <sys/kernel.h>
+#include <sys/socket.h>
+#include <sys/systm.h>
+#include <sys/malloc.h>
+#include <sys/module.h>
+#include <sys/bus.h>
+#include <sys/endian.h>
+#include <sys/linker.h>
+#include <sys/firmware.h>
+#include <sys/kdb.h>
+
+#include <net/bpf.h>
+#include <net/if.h>
+#include <net/if_var.h>
+#include <net/if_arp.h>
+#include <net/ethernet.h>
+#include <net/if_dl.h>
+#include <net/if_media.h>
+#include <net/if_types.h>
+
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/in_var.h>
+#include <netinet/if_ether.h>
+#include <netinet/ip.h>
+
+#include <net80211/ieee80211_var.h>
+#include <net80211/ieee80211_regdomain.h>
+#include <net80211/ieee80211_radiotap.h>
+#include <net80211/ieee80211_ratectl.h>
+
+#include <dev/rtwn/if_rtwnreg.h>
+#include <dev/rtwn/if_rtwnvar.h>
+
+#include <dev/rtwn/if_rtwn_beacon.h>
+#include <dev/rtwn/if_rtwn_calib.h>
+#include <dev/rtwn/if_rtwn_cam.h>
+#include <dev/rtwn/if_rtwn_debug.h>
+#include <dev/rtwn/if_rtwn_efuse.h>
+#include <dev/rtwn/if_rtwn_fw.h>
+#include <dev/rtwn/if_rtwn_ridx.h>
+#include <dev/rtwn/if_rtwn_rx.h>
+#include <dev/rtwn/if_rtwn_task.h>
+#include <dev/rtwn/if_rtwn_tx.h>
+
+#include <dev/rtwn/rtl8192c/r92c_reg.h>
+
+
+static void rtwn_radiotap_attach(struct rtwn_softc *);
+static void rtwn_vap_decrement_counters(struct rtwn_softc *,
+ enum ieee80211_opmode, int);
+static void rtwn_set_ic_opmode(struct rtwn_softc *);
+static struct ieee80211vap *rtwn_vap_create(struct ieee80211com *,
+ const char [IFNAMSIZ], int, enum ieee80211_opmode,
+ int, const uint8_t [IEEE80211_ADDR_LEN],
+ const uint8_t [IEEE80211_ADDR_LEN]);
+static void rtwn_vap_delete(struct ieee80211vap *);
+static int rtwn_read_chipid(struct rtwn_softc *);
+static int rtwn_ioctl_reset(struct ieee80211vap *, u_long);
+#ifndef RTWN_WITHOUT_UCODE
+static void rtwn_set_media_status(struct rtwn_softc *,
+ union sec_param *);
+static int rtwn_tx_fwpkt_check(struct rtwn_softc *,
+ struct ieee80211vap *);
+static int rtwn_construct_nulldata(struct rtwn_softc *,
+ struct ieee80211vap *, uint8_t *, int);
+static int rtwn_push_nulldata(struct rtwn_softc *,
+ struct ieee80211vap *);
+static void rtwn_pwrmode_init(void *);
+static void rtwn_set_pwrmode_cb(struct rtwn_softc *,
+ union sec_param *);
+#endif
+static void rtwn_tsf_sync_adhoc(void *);
+static void rtwn_tsf_sync_adhoc_task(void *, int);
+static void rtwn_tsf_sync_enable(struct rtwn_softc *,
+ struct ieee80211vap *);
+static void rtwn_set_ack_preamble(struct rtwn_softc *);
+static void rtwn_set_mode(struct rtwn_softc *, uint8_t, int);
+static int rtwn_monitor_newstate(struct ieee80211vap *,
+ enum ieee80211_state, int);
+static int rtwn_newstate(struct ieee80211vap *,
+ enum ieee80211_state, int);
+static void rtwn_calc_basicrates(struct rtwn_softc *);
+static int rtwn_run(struct rtwn_softc *,
+ struct ieee80211vap *);
+#ifndef D4054
+static void rtwn_watchdog(void *);
+#endif
+static void rtwn_parent(struct ieee80211com *);
+static int rtwn_llt_write(struct rtwn_softc *, uint32_t,
+ uint32_t);
+static int rtwn_llt_init(struct rtwn_softc *);
+static int rtwn_dma_init(struct rtwn_softc *);
+static int rtwn_mac_init(struct rtwn_softc *);
+static void rtwn_mrr_init(struct rtwn_softc *);
+static void rtwn_scan_start(struct ieee80211com *);
+static void rtwn_scan_curchan(struct ieee80211_scan_state *,
+ unsigned long);
+static void rtwn_scan_end(struct ieee80211com *);
+static void rtwn_getradiocaps(struct ieee80211com *, int, int *,
+ struct ieee80211_channel[]);
+static void rtwn_update_chw(struct ieee80211com *);
+static void rtwn_set_channel(struct ieee80211com *);
+static int rtwn_wme_update(struct ieee80211com *);
+static void rtwn_update_slot(struct ieee80211com *);
+static void rtwn_update_slot_cb(struct rtwn_softc *,
+ union sec_param *);
+static void rtwn_update_aifs(struct rtwn_softc *, uint8_t);
+static void rtwn_update_promisc(struct ieee80211com *);
+static void rtwn_update_mcast(struct ieee80211com *);
+static int rtwn_set_bssid(struct rtwn_softc *,
+ const uint8_t *, int);
+static int rtwn_set_macaddr(struct rtwn_softc *,
+ const uint8_t *, int);
+static struct ieee80211_node *rtwn_node_alloc(struct ieee80211vap *,
+ const uint8_t mac[IEEE80211_ADDR_LEN]);
+static void rtwn_newassoc(struct ieee80211_node *, int);
+static void rtwn_node_free(struct ieee80211_node *);
+static void rtwn_init_beacon_reg(struct rtwn_softc *);
+static int rtwn_init(struct rtwn_softc *);
+static void rtwn_stop(struct rtwn_softc *);
+
+MALLOC_DEFINE(M_RTWN_PRIV, "rtwn_priv", "rtwn driver private state");
+
+static const uint8_t rtwn_chan_2ghz[] =
+ { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 };
+
+static const uint16_t wme2reg[] =
+ { R92C_EDCA_BE_PARAM, R92C_EDCA_BK_PARAM,
+ R92C_EDCA_VI_PARAM, R92C_EDCA_VO_PARAM };
+
+int
+rtwn_attach(struct rtwn_softc *sc)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ int error;
+
+ sc->cur_bcnq_id = RTWN_VAP_ID_INVALID;
+
+ RTWN_NT_LOCK_INIT(sc);
+ rtwn_cmdq_init(sc);
+#ifndef D4054
+ callout_init_mtx(&sc->sc_watchdog_to, &sc->sc_mtx, 0);
+#endif
+ callout_init(&sc->sc_calib_to, 0);
+ callout_init(&sc->sc_pwrmode_init, 0);
+ mbufq_init(&sc->sc_snd, ifqmaxlen);
+
+ RTWN_LOCK(sc);
+ error = rtwn_read_chipid(sc);
+ RTWN_UNLOCK(sc);
+ if (error != 0) {
+ device_printf(sc->sc_dev, "unsupported test chip\n");
+ goto detach;
+ }
+
+ error = rtwn_read_rom(sc);
+ if (error != 0) {
+ device_printf(sc->sc_dev, "%s: cannot read rom, error %d\n",
+ __func__, error);
+ goto detach;
+ }
+
+ if (sc->macid_limit > RTWN_MACID_LIMIT) {
+ device_printf(sc->sc_dev,
+ "macid limit will be reduced from %d to %d\n",
+ sc->macid_limit, RTWN_MACID_LIMIT);
+ sc->macid_limit = RTWN_MACID_LIMIT;
+ }
+ if (sc->cam_entry_limit > RTWN_CAM_ENTRY_LIMIT) {
+ device_printf(sc->sc_dev,
+ "cam entry limit will be reduced from %d to %d\n",
+ sc->cam_entry_limit, RTWN_CAM_ENTRY_LIMIT);
+ sc->cam_entry_limit = RTWN_CAM_ENTRY_LIMIT;
+ }
+ if (sc->txdesc_len > RTWN_TX_DESC_SIZE) {
+ device_printf(sc->sc_dev,
+ "adjust size for Tx descriptor (current %d, needed %d)\n",
+ RTWN_TX_DESC_SIZE, sc->txdesc_len);
+ goto detach;
+ }
+
+ device_printf(sc->sc_dev, "MAC/BB %s, RF 6052 %dT%dR\n",
+ sc->name, sc->ntxchains, sc->nrxchains);
+
+ ic->ic_softc = sc;
+ 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 */
+ | IEEE80211_C_IBSS /* adhoc mode */
+ | IEEE80211_C_HOSTAP /* hostap mode */
+#if 0 /* TODO: HRPWM register setup */
+#ifndef RTWN_WITHOUT_UCODE
+ | IEEE80211_C_PMGT /* Station-side power mgmt */
+#endif
+#endif
+ | IEEE80211_C_SHPREAMBLE /* short preamble supported */
+ | IEEE80211_C_SHSLOT /* short slot time supported */
+#if 0
+ | IEEE80211_C_BGSCAN /* capable of bg scanning */
+#endif
+ | IEEE80211_C_WPA /* 802.11i */
+ | IEEE80211_C_WME /* 802.11e */
+ | IEEE80211_C_SWAMSDUTX /* Do software A-MSDU TX */
+ | IEEE80211_C_FF /* Atheros fast-frames */
+ ;
+
+ if (sc->sc_hwcrypto != RTWN_CRYPTO_SW) {
+ ic->ic_cryptocaps =
+ IEEE80211_CRYPTO_WEP |
+ IEEE80211_CRYPTO_TKIP |
+ IEEE80211_CRYPTO_AES_CCM;
+ }
+
+ ic->ic_htcaps =
+ IEEE80211_HTCAP_SHORTGI20 /* short GI in 20MHz */
+ | IEEE80211_HTCAP_MAXAMSDU_3839 /* max A-MSDU length */
+ | IEEE80211_HTCAP_SMPS_OFF /* SM PS mode disabled */
+ /* s/w capabilities */
+ | IEEE80211_HTC_HT /* HT operation */
+ | IEEE80211_HTC_AMPDU /* A-MPDU tx */
+ | IEEE80211_HTC_AMSDU /* A-MSDU tx */
+ ;
+
+ if (sc->sc_ht40) {
+ ic->ic_htcaps |=
+ IEEE80211_HTCAP_CHWIDTH40 /* 40 MHz channel width */
+ | IEEE80211_HTCAP_SHORTGI40 /* short GI in 40MHz */
+ ;
+ }
+
+ ic->ic_txstream = sc->ntxchains;
+ ic->ic_rxstream = sc->nrxchains;
+
+ /* Enable TX watchdog */
+#ifdef D4054
+ ic->ic_flags_ext |= IEEE80211_FEXT_WATCHDOG;
+#endif
+
+ /* Adjust capabilities. */
+ rtwn_adj_devcaps(sc);
+
+ rtwn_getradiocaps(ic, IEEE80211_CHAN_MAX, &ic->ic_nchans,
+ ic->ic_channels);
+
+ /* XXX TODO: setup regdomain if R92C_CHANNEL_PLAN_BY_HW bit is set. */
+
+ ieee80211_ifattach(ic);
+ ic->ic_raw_xmit = rtwn_raw_xmit;
+ ic->ic_scan_start = rtwn_scan_start;
+ sc->sc_scan_curchan = ic->ic_scan_curchan;
+ ic->ic_scan_curchan = rtwn_scan_curchan;
+ ic->ic_scan_end = rtwn_scan_end;
+ ic->ic_getradiocaps = rtwn_getradiocaps;
+ ic->ic_update_chw = rtwn_update_chw;
+ ic->ic_set_channel = rtwn_set_channel;
+ ic->ic_transmit = rtwn_transmit;
+ ic->ic_parent = rtwn_parent;
+ ic->ic_vap_create = rtwn_vap_create;
+ ic->ic_vap_delete = rtwn_vap_delete;
+ ic->ic_wme.wme_update = rtwn_wme_update;
+ ic->ic_updateslot = rtwn_update_slot;
+ ic->ic_update_promisc = rtwn_update_promisc;
+ ic->ic_update_mcast = rtwn_update_mcast;
+ ic->ic_node_alloc = rtwn_node_alloc;
+ ic->ic_newassoc = rtwn_newassoc;
+ sc->sc_node_free = ic->ic_node_free;
+ ic->ic_node_free = rtwn_node_free;
+
+ rtwn_postattach(sc);
+ rtwn_radiotap_attach(sc);
+
+ if (bootverbose)
+ ieee80211_announce(ic);
+
+ return (0);
+
+detach:
+ return (ENXIO); /* failure */
+}
+
+static void
+rtwn_radiotap_attach(struct rtwn_softc *sc)
+{
+ struct rtwn_rx_radiotap_header *rxtap = &sc->sc_rxtap;
+ struct rtwn_tx_radiotap_header *txtap = &sc->sc_txtap;
+
+ ieee80211_radiotap_attach(&sc->sc_ic,
+ &txtap->wt_ihdr, sizeof(*txtap), RTWN_TX_RADIOTAP_PRESENT,
+ &rxtap->wr_ihdr, sizeof(*rxtap), RTWN_RX_RADIOTAP_PRESENT);
+}
+
+void
+rtwn_sysctlattach(struct rtwn_softc *sc)
+{
+ struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
+ struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
+
+#if 1
+ sc->sc_ht40 = 0;
+ SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
+ "ht40", CTLFLAG_RDTUN, &sc->sc_ht40,
+ sc->sc_ht40, "Enable 40 MHz mode support");
+#endif
+
+#ifdef RTWN_DEBUG
+ SYSCTL_ADD_U32(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
+ "debug", CTLFLAG_RWTUN, &sc->sc_debug, sc->sc_debug,
+ "Control debugging printfs");
+#endif
+
+ sc->sc_hwcrypto = RTWN_CRYPTO_PAIR;
+ SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
+ "hwcrypto", CTLFLAG_RDTUN, &sc->sc_hwcrypto,
+ sc->sc_hwcrypto, "Enable h/w crypto: "
+ "0 - disable, 1 - pairwise keys, 2 - all keys");
+ if (sc->sc_hwcrypto >= RTWN_CRYPTO_MAX)
+ sc->sc_hwcrypto = RTWN_CRYPTO_FULL;
+
+ sc->sc_ratectl_sysctl = RTWN_RATECTL_NET80211;
+ SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
+ "ratectl", CTLFLAG_RDTUN, &sc->sc_ratectl_sysctl,
+ sc->sc_ratectl_sysctl, "Select rate control mechanism: "
+ "0 - disabled, 1 - via net80211, 2 - via firmware");
+ if (sc->sc_ratectl_sysctl >= RTWN_RATECTL_MAX)
+ sc->sc_ratectl_sysctl = RTWN_RATECTL_FW;
+
+ sc->sc_ratectl = sc->sc_ratectl_sysctl;
+ SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
+ "ratectl_selected", CTLFLAG_RD, &sc->sc_ratectl,
+ sc->sc_ratectl,
+ "Currently selected rate control mechanism (by the driver)");
+}
+
+void
+rtwn_detach(struct rtwn_softc *sc)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+
+ if (ic->ic_softc == sc) {
+ /* Stop command queue. */
+ RTWN_CMDQ_LOCK(sc);
+ sc->sc_detached = 1;
+ RTWN_CMDQ_UNLOCK(sc);
+
+ ieee80211_draintask(ic, &sc->cmdq_task);
+ ieee80211_ifdetach(ic);
+ }
+
+ rtwn_cmdq_destroy(sc);
+ if (RTWN_NT_LOCK_INITIALIZED(sc))
+ RTWN_NT_LOCK_DESTROY(sc);
+}
+
+void
+rtwn_suspend(struct rtwn_softc *sc)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+
+ ieee80211_suspend_all(ic);
+}
+
+void
+rtwn_resume(struct rtwn_softc *sc)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+
+ ieee80211_resume_all(ic);
+}
+
+static void
+rtwn_vap_decrement_counters(struct rtwn_softc *sc,
+ enum ieee80211_opmode opmode, int id)
+{
+
+ RTWN_ASSERT_LOCKED(sc);
+
+ if (id != RTWN_VAP_ID_INVALID) {
+ KASSERT(id == 0 || id == 1, ("wrong vap id %d!\n", id));
+ KASSERT(sc->vaps[id] != NULL, ("vap pointer is NULL\n"));
+ sc->vaps[id] = NULL;
+ }
+
+ switch (opmode) {
+ case IEEE80211_M_HOSTAP:
+ sc->ap_vaps--;
+ /* FALLTHROUGH */
+ case IEEE80211_M_IBSS:
+ sc->bcn_vaps--;
+ /* FALLTHROUGH */
+ case IEEE80211_M_STA:
+ sc->nvaps--;
+ break;
+ case IEEE80211_M_MONITOR:
+ sc->mon_vaps--;
+ break;
+ default:
+ KASSERT(0, ("wrong opmode %d\n", opmode));
+ break;
+ }
+
+ KASSERT(sc->vaps_running >= 0 && sc->monvaps_running >= 0,
+ ("number of running vaps is negative (vaps %d, monvaps %d)\n",
+ sc->vaps_running, sc->monvaps_running));
+ KASSERT(sc->vaps_running - sc->monvaps_running <= RTWN_PORT_COUNT,
+ ("number of running vaps is too big (vaps %d, monvaps %d)\n",
+ sc->vaps_running, sc->monvaps_running));
+
+ KASSERT(sc->nvaps >= 0 && sc->nvaps <= RTWN_PORT_COUNT,
+ ("wrong value %d for nvaps\n", sc->nvaps));
+ KASSERT(sc->mon_vaps >= 0, ("mon_vaps is negative (%d)\n",
+ sc->mon_vaps));
+ KASSERT(sc->bcn_vaps >= 0 && ((RTWN_CHIP_HAS_BCNQ1(sc) &&
+ sc->bcn_vaps <= RTWN_PORT_COUNT) || sc->bcn_vaps <= 1),
+ ("bcn_vaps value %d is wrong\n", sc->bcn_vaps));
+ KASSERT(sc->ap_vaps >= 0 && ((RTWN_CHIP_HAS_BCNQ1(sc) &&
+ sc->ap_vaps <= RTWN_PORT_COUNT) || sc->ap_vaps <= 1),
+ ("ap_vaps value %d is wrong\n", sc->ap_vaps));
+}
+
+static void
+rtwn_set_ic_opmode(struct rtwn_softc *sc)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+
+ RTWN_ASSERT_LOCKED(sc);
+
+ /* for ieee80211_reset_erp() */
+ if (sc->bcn_vaps - sc->ap_vaps > 0)
+ ic->ic_opmode = IEEE80211_M_IBSS;
+ else if (sc->ap_vaps > 0)
+ ic->ic_opmode = IEEE80211_M_HOSTAP;
+ else if (sc->nvaps > 0)
+ ic->ic_opmode = IEEE80211_M_STA;
+ else
+ ic->ic_opmode = IEEE80211_M_MONITOR;
+}
+
+static struct ieee80211vap *
+rtwn_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
+ enum ieee80211_opmode opmode, int flags,
+ const uint8_t bssid[IEEE80211_ADDR_LEN],
+ const uint8_t mac[IEEE80211_ADDR_LEN])
+{
+ struct rtwn_softc *sc = ic->ic_softc;
+ struct rtwn_vap *uvp;
+ struct ieee80211vap *vap;
+ int id = RTWN_VAP_ID_INVALID;
+
+ RTWN_LOCK(sc);
+ KASSERT(sc->nvaps <= RTWN_PORT_COUNT,
+ ("nvaps overflow (%d > %d)\n", sc->nvaps, RTWN_PORT_COUNT));
+ KASSERT(sc->ap_vaps <= RTWN_PORT_COUNT,
+ ("ap_vaps overflow (%d > %d)\n", sc->ap_vaps, RTWN_PORT_COUNT));
+ KASSERT(sc->bcn_vaps <= RTWN_PORT_COUNT,
+ ("bcn_vaps overflow (%d > %d)\n", sc->bcn_vaps, RTWN_PORT_COUNT));
+
+ if (opmode != IEEE80211_M_MONITOR) {
+ switch (sc->nvaps) {
+ case 0:
+ id = 0;
+ break;
+ case 1:
+ if (sc->vaps[1] == NULL)
+ id = 1;
+ else if (sc->vaps[0] == NULL)
+ id = 0;
+ KASSERT(id != RTWN_VAP_ID_INVALID,
+ ("no free ports left\n"));
+ break;
+ case 2:
+ default:
+ goto fail;
+ }
+
+ if (opmode == IEEE80211_M_IBSS ||
+ opmode == IEEE80211_M_HOSTAP) {
+ if ((sc->bcn_vaps == 1 && !RTWN_CHIP_HAS_BCNQ1(sc)) ||
+ sc->bcn_vaps == RTWN_PORT_COUNT)
+ goto fail;
+ }
+ }
+
+ switch (opmode) {
+ case IEEE80211_M_HOSTAP:
+ sc->ap_vaps++;
+ /* FALLTHROUGH */
+ case IEEE80211_M_IBSS:
+ sc->bcn_vaps++;
+ /* FALLTHROUGH */
+ case IEEE80211_M_STA:
+ sc->nvaps++;
+ break;
+ case IEEE80211_M_MONITOR:
+ sc->mon_vaps++;
+ break;
+ default:
+ KASSERT(0, ("unknown opmode %d\n", opmode));
+ goto fail;
+ }
+ RTWN_UNLOCK(sc);
+
+ uvp = malloc(sizeof(struct rtwn_vap), M_80211_VAP, M_WAITOK | M_ZERO);
+ uvp->id = id;
+ if (id != RTWN_VAP_ID_INVALID) {
+ RTWN_LOCK(sc);
+ sc->vaps[id] = uvp;
+ RTWN_UNLOCK(sc);
+ }
+ vap = &uvp->vap;
+ /* enable s/w bmiss handling for sta mode */
+
+ if (ieee80211_vap_setup(ic, vap, name, unit, opmode,
+ flags | IEEE80211_CLONE_NOBEACONS, bssid) != 0) {
+ /* out of memory */
+ free(uvp, M_80211_VAP);
+
+ RTWN_LOCK(sc);
+ rtwn_vap_decrement_counters(sc, opmode, id);
+ RTWN_UNLOCK(sc);
+
+ return (NULL);
+ }
+
+ rtwn_beacon_init(sc, &uvp->bcn_desc.txd[0], uvp->id);
+ rtwn_vap_preattach(sc, vap);
+
+ /* override state transition machine */
+ uvp->newstate = vap->iv_newstate;
+ if (opmode == IEEE80211_M_MONITOR)
+ vap->iv_newstate = rtwn_monitor_newstate;
+ else
+ vap->iv_newstate = rtwn_newstate;
+ vap->iv_update_beacon = rtwn_update_beacon;
+ vap->iv_reset = rtwn_ioctl_reset;
+ vap->iv_key_alloc = rtwn_key_alloc;
+ vap->iv_key_set = rtwn_key_set;
+ vap->iv_key_delete = rtwn_key_delete;
+ vap->iv_max_aid = sc->macid_limit;
+
+ /* 802.11n parameters */
+ vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_16;
+ vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_64K;
+
+ TIMEOUT_TASK_INIT(taskqueue_thread, &uvp->tx_beacon_csa, 0,
+ rtwn_tx_beacon_csa, vap);
+ if (opmode == IEEE80211_M_IBSS) {
+ uvp->recv_mgmt = vap->iv_recv_mgmt;
+ vap->iv_recv_mgmt = rtwn_adhoc_recv_mgmt;
+ TASK_INIT(&uvp->tsf_sync_adhoc_task, 0,
+ rtwn_tsf_sync_adhoc_task, vap);
+ callout_init(&uvp->tsf_sync_adhoc, 0);
+ }
+
+ /*
+ * NB: driver can select net80211 RA even when user requests
+ * another mechanism.
+ */
+ ieee80211_ratectl_init(vap);
+
+ /* complete setup */
+ ieee80211_vap_attach(vap, ieee80211_media_change,
+ ieee80211_media_status, mac);
+
+ RTWN_LOCK(sc);
+ rtwn_set_ic_opmode(sc);
+ if (sc->sc_flags & RTWN_RUNNING) {
+ if (uvp->id != RTWN_VAP_ID_INVALID)
+ rtwn_set_macaddr(sc, vap->iv_myaddr, uvp->id);
+
+ rtwn_rxfilter_update(sc);
+ }
+ RTWN_UNLOCK(sc);
+
+ return (vap);
+
+fail:
+ RTWN_UNLOCK(sc);
+ return (NULL);
+}
+
+static void
+rtwn_vap_delete(struct ieee80211vap *vap)
+{
+ struct ieee80211com *ic = vap->iv_ic;
+ struct rtwn_softc *sc = ic->ic_softc;
+ struct rtwn_vap *uvp = RTWN_VAP(vap);
+
+ /* Put vap into INIT state + stop device if needed. */
+ ieee80211_stop(vap);
+ ieee80211_draintask(ic, &vap->iv_nstate_task);
+ ieee80211_draintask(ic, &ic->ic_parent_task);
+
+ RTWN_LOCK(sc);
+ /* Cancel any unfinished Tx. */
+ rtwn_reset_lists(sc, vap);
+ if (uvp->bcn_mbuf != NULL)
+ m_freem(uvp->bcn_mbuf);
+ rtwn_vap_decrement_counters(sc, vap->iv_opmode, uvp->id);
+ rtwn_set_ic_opmode(sc);
+ if (sc->sc_flags & RTWN_RUNNING)
+ rtwn_rxfilter_update(sc);
+ RTWN_UNLOCK(sc);
+
+ if (vap->iv_opmode == IEEE80211_M_IBSS) {
+ ieee80211_draintask(ic, &uvp->tsf_sync_adhoc_task);
+ callout_drain(&uvp->tsf_sync_adhoc);
+ }
+
+ ieee80211_ratectl_deinit(vap);
+ ieee80211_vap_detach(vap);
+ free(uvp, M_80211_VAP);
+}
+
+static int
+rtwn_read_chipid(struct rtwn_softc *sc)
+{
+ uint32_t reg;
+
+ reg = rtwn_read_4(sc, R92C_SYS_CFG);
+ if (reg & R92C_SYS_CFG_TRP_VAUX_EN) /* test chip */
+ return (EOPNOTSUPP);
+
+ rtwn_read_chipid_vendor(sc, reg);
+
+ return (0);
+}
+
+static int
+rtwn_ioctl_reset(struct ieee80211vap *vap, u_long cmd)
+{
+ int error;
+
+ switch (cmd) {
+#ifndef RTWN_WITHOUT_UCODE
+ case IEEE80211_IOC_POWERSAVE:
+ case IEEE80211_IOC_POWERSAVESLEEP:
+ {
+ struct rtwn_softc *sc = vap->iv_ic->ic_softc;
+ struct rtwn_vap *uvp = RTWN_VAP(vap);
+
+ if (vap->iv_opmode == IEEE80211_M_STA && uvp->id == 0) {
+ RTWN_LOCK(sc);
+ if (sc->sc_flags & RTWN_RUNNING)
+ error = rtwn_set_pwrmode(sc, vap, 1);
+ else
+ error = 0;
+ RTWN_UNLOCK(sc);
+ if (error != 0)
+ error = ENETRESET;
+ } else
+ error = EOPNOTSUPP;
+ break;
+ }
+#endif
+ case IEEE80211_IOC_SHORTGI:
+ case IEEE80211_IOC_RTSTHRESHOLD:
+ case IEEE80211_IOC_PROTMODE:
+ case IEEE80211_IOC_HTPROTMODE:
+ error = 0;
+ break;
+ default:
+ error = ENETRESET;
+ break;
+ }
+
+ return (error);
+}
+
+#ifndef RTWN_WITHOUT_UCODE
+static void
+rtwn_set_media_status(struct rtwn_softc *sc, union sec_param *data)
+{
+ sc->sc_set_media_status(sc, data->macid);
+}
+
+static int
+rtwn_tx_fwpkt_check(struct rtwn_softc *sc, struct ieee80211vap *vap)
+{
+ int ntries, error;
+
+ for (ntries = 0; ntries < 5; ntries++) {
+ error = rtwn_push_nulldata(sc, vap);
+ if (error == 0)
+ break;
+ }
+ if (ntries == 5) {
+ device_printf(sc->sc_dev,
+ "%s: cannot push f/w frames into chip, error %d!\n",
+ __func__, error);
+ return (error);
+ }
+
+ return (0);
+}
+
+static int
+rtwn_construct_nulldata(struct rtwn_softc *sc, struct ieee80211vap *vap,
+ uint8_t *ptr, int qos)
+{
+ struct rtwn_vap *uvp = RTWN_VAP(vap);
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct rtwn_tx_desc_common *txd;
+ struct ieee80211_frame *wh;
+ int pktlen;
+
+ /* XXX obtain from net80211 */
+ wh = (struct ieee80211_frame *)(ptr + sc->txdesc_len);
+ wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_DATA;
+ wh->i_fc[1] = IEEE80211_FC1_DIR_TODS;
+ IEEE80211_ADDR_COPY(wh->i_addr1, vap->iv_bss->ni_bssid);
+ IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr);
+ IEEE80211_ADDR_COPY(wh->i_addr3, vap->iv_bss->ni_macaddr);
+
+ txd = (struct rtwn_tx_desc_common *)ptr;
+ txd->offset = sc->txdesc_len;
+ pktlen = sc->txdesc_len;
+ if (qos) {
+ struct ieee80211_qosframe *qwh;
+ const int tid = WME_AC_TO_TID(WME_AC_BE);
+
+ qwh = (struct ieee80211_qosframe *)wh;
+ qwh->i_fc[0] |= IEEE80211_FC0_SUBTYPE_QOS_NULL;
+ qwh->i_qos[0] = tid & IEEE80211_QOS_TID;
+
+ txd->pktlen = htole16(sizeof(struct ieee80211_qosframe));
+ pktlen += sizeof(struct ieee80211_qosframe);
+ } else {
+ wh->i_fc[0] |= IEEE80211_FC0_SUBTYPE_NODATA;
+
+ txd->pktlen = htole16(sizeof(struct ieee80211_frame));
+ pktlen += sizeof(struct ieee80211_frame);
+ }
+
+ rtwn_fill_tx_desc_null(sc, ptr,
+ ic->ic_curmode == IEEE80211_MODE_11B, qos, uvp->id);
+
+ return (pktlen);
+}
+
+static int
+rtwn_push_nulldata(struct rtwn_softc *sc, struct ieee80211vap *vap)
+{
+ struct rtwn_vap *uvp = RTWN_VAP(vap);
+ struct ieee80211com *ic = vap->iv_ic;
+ struct ieee80211_channel *c = ic->ic_curchan;
+ struct mbuf *m;
+ uint8_t *ptr;
+ int required_size, bcn_size, null_size, null_data, error;
+
+ if (!(sc->sc_flags & RTWN_FW_LOADED))
+ return (0); /* requires firmware */
+
+ KASSERT(sc->page_size > 0, ("page size was not set!\n"));
+
+ /* Leave some space for beacon (multi-vap) */
+ bcn_size = roundup(RTWN_BCN_MAX_SIZE, sc->page_size);
+ /* 1 page for Null Data + 1 page for Qos Null Data frames. */
+ required_size = bcn_size + sc->page_size * 2;
+
+ m = m_get2(required_size, M_NOWAIT, MT_DATA, M_PKTHDR);
+ if (m == NULL)
+ return (ENOMEM);
+
+ /* Setup beacon descriptor. */
+ rtwn_beacon_set_rate(sc, &uvp->bcn_desc.txd[0],
+ IEEE80211_IS_CHAN_5GHZ(c));
+
+ ptr = mtod(m, uint8_t *);
+ memset(ptr, 0, required_size - sc->txdesc_len);
+
+ /* Construct Null Data frame. */
+ ptr += bcn_size - sc->txdesc_len;
+ null_size = rtwn_construct_nulldata(sc, vap, ptr, 0);
+ KASSERT(null_size < sc->page_size,
+ ("recalculate size for Null Data frame\n"));
+
+ /* Construct Qos Null Data frame. */
+ ptr += roundup(null_size, sc->page_size);
+ null_size = rtwn_construct_nulldata(sc, vap, ptr, 1);
+ KASSERT(null_size < sc->page_size,
+ ("recalculate size for Qos Null Data frame\n"));
+
+ /* Do not try to detect a beacon here. */
+ rtwn_setbits_1_shift(sc, R92C_CR, 0, R92C_CR_ENSWBCN, 1);
+ rtwn_setbits_1_shift(sc, R92C_FWHW_TXQ_CTRL,
+ R92C_FWHW_TXQ_CTRL_REAL_BEACON, 0, 2);
+
+ if (uvp->bcn_mbuf != NULL) {
+ rtwn_beacon_unload(sc, uvp->id);
+ m_freem(uvp->bcn_mbuf);
+ }
+
+ m->m_pkthdr.len = m->m_len = required_size - sc->txdesc_len;
+ uvp->bcn_mbuf = m;
+
+ error = rtwn_tx_beacon_check(sc, uvp);
+ if (error != 0) {
+ RTWN_DPRINTF(sc, RTWN_DEBUG_BEACON,
+ "%s: frame was not recognized!\n", __func__);
+ goto fail;
+ }
+
+ /* Setup addresses in firmware. */
+ null_data = howmany(bcn_size, sc->page_size);
+ error = rtwn_set_rsvd_page(sc, 0, null_data, null_data + 1);
+ if (error != 0) {
+ device_printf(sc->sc_dev,
+ "%s: CMD_RSVD_PAGE was not sent, error %d\n",
+ __func__, error);
+ goto fail;
+ }
+
+fail:
+ /* Re-enable beacon detection. */
+ rtwn_setbits_1_shift(sc, R92C_FWHW_TXQ_CTRL,
+ 0, R92C_FWHW_TXQ_CTRL_REAL_BEACON, 2);
+ rtwn_setbits_1_shift(sc, R92C_CR, R92C_CR_ENSWBCN, 0, 1);
+
+ /* Restore beacon (if present). */
+ if (sc->bcn_vaps > 0 && sc->vaps[!uvp->id] != NULL) {
+ struct rtwn_vap *uvp2 = sc->vaps[!uvp->id];
+
+ if (uvp2->curr_mode != R92C_MSR_NOLINK)
+ error = rtwn_tx_beacon_check(sc, uvp2);
+ }
+
+ return (error);
+}
+
+static void
+rtwn_pwrmode_init(void *arg)
+{
+ struct rtwn_softc *sc = arg;
+
+ rtwn_cmd_sleepable(sc, NULL, 0, rtwn_set_pwrmode_cb);
+}
+
+static void
+rtwn_set_pwrmode_cb(struct rtwn_softc *sc, union sec_param *data)
+{
+ struct ieee80211vap *vap = &sc->vaps[0]->vap;
+
+ if (vap != NULL)
+ rtwn_set_pwrmode(sc, vap, 1);
+}
+#endif
+
+static void
+rtwn_tsf_sync_adhoc(void *arg)
+{
+ struct ieee80211vap *vap = arg;
+ struct ieee80211com *ic = vap->iv_ic;
+ struct rtwn_vap *uvp = RTWN_VAP(vap);
+
+ if (uvp->curr_mode != R92C_MSR_NOLINK) {
+ /* Do it in process context. */
+ ieee80211_runtask(ic, &uvp->tsf_sync_adhoc_task);
+ }
+}
+
+/*
+ * Workaround for TSF synchronization:
+ * when BSSID filter in IBSS mode is not set
+ * (and TSF synchronization is enabled), then any beacon may update it.
+ * This routine synchronizes it when BSSID matching is enabled (IBSS merge
+ * is not possible during this period).
+ *
+ * NOTE: there is no race with rtwn_newstate(), since it uses the same
+ * taskqueue.
+ */
+static void
+rtwn_tsf_sync_adhoc_task(void *arg, int pending)
+{
+ struct ieee80211vap *vap = arg;
+ struct rtwn_vap *uvp = RTWN_VAP(vap);
+ struct rtwn_softc *sc = vap->iv_ic->ic_softc;
+ struct ieee80211_node *ni;
+
+ RTWN_LOCK(sc);
+ ni = ieee80211_ref_node(vap->iv_bss);
+
+ /* Accept beacons with the same BSSID. */
+ rtwn_set_rx_bssid_all(sc, 0);
+
+ /* Deny RCR updates. */
+ sc->sc_flags |= RTWN_RCR_LOCKED;
+
+ /* Enable synchronization. */
+ rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id),
+ R92C_BCN_CTRL_DIS_TSF_UDT0, 0);
+
+ /* Synchronize. */
+ rtwn_delay(sc, ni->ni_intval * 5 * 1000);
+
+ /* Disable synchronization. */
+ rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id),
+ 0, R92C_BCN_CTRL_DIS_TSF_UDT0);
+
+ /* Accept all beacons. */
+ sc->sc_flags &= ~RTWN_RCR_LOCKED;
+ rtwn_set_rx_bssid_all(sc, 1);
+
+ /* Schedule next TSF synchronization. */
+ callout_reset(&uvp->tsf_sync_adhoc, 60*hz, rtwn_tsf_sync_adhoc, vap);
+
+ ieee80211_free_node(ni);
+ RTWN_UNLOCK(sc);
+}
+
+static void
+rtwn_tsf_sync_enable(struct rtwn_softc *sc, struct ieee80211vap *vap)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct rtwn_vap *uvp = RTWN_VAP(vap);
+
+ /* Reset TSF. */
+ rtwn_write_1(sc, R92C_DUAL_TSF_RST, R92C_DUAL_TSF_RESET(uvp->id));
+
+ switch (vap->iv_opmode) {
+ case IEEE80211_M_STA:
+ /* Enable TSF synchronization. */
+ rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id),
+ R92C_BCN_CTRL_DIS_TSF_UDT0, 0);
+ break;
+ case IEEE80211_M_IBSS:
+ ieee80211_runtask(ic, &uvp->tsf_sync_adhoc_task);
+ /* FALLTHROUGH */
+ case IEEE80211_M_HOSTAP:
+ /* Enable beaconing. */
+ rtwn_beacon_enable(sc, uvp->id, 1);
+ break;
+ default:
+ device_printf(sc->sc_dev, "undefined opmode %d\n",
+ vap->iv_opmode);
+ return;
+ }
+}
+
+static void
+rtwn_set_ack_preamble(struct rtwn_softc *sc)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ uint32_t reg;
+
+ reg = rtwn_read_4(sc, R92C_WMAC_TRXPTCL_CTL);
+ if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
+ reg |= R92C_WMAC_TRXPTCL_SHPRE;
+ else
+ reg &= ~R92C_WMAC_TRXPTCL_SHPRE;
+ rtwn_write_4(sc, R92C_WMAC_TRXPTCL_CTL, reg);
+}
+
+static void
+rtwn_set_mode(struct rtwn_softc *sc, uint8_t mode, int id)
+{
+
+ rtwn_setbits_1(sc, R92C_MSR, R92C_MSR_MASK << id * 2, mode << id * 2);
+ if (sc->vaps[id] != NULL)
+ sc->vaps[id]->curr_mode = mode;
+}
+
+static int
+rtwn_monitor_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate,
+ int arg)
+{
+ struct ieee80211com *ic = vap->iv_ic;
+ struct rtwn_softc *sc = ic->ic_softc;
+ struct rtwn_vap *uvp = RTWN_VAP(vap);
+
+ RTWN_DPRINTF(sc, RTWN_DEBUG_STATE, "%s -> %s\n",
+ ieee80211_state_name[vap->iv_state],
+ ieee80211_state_name[nstate]);
+
+ if (vap->iv_state != nstate) {
+ IEEE80211_UNLOCK(ic);
+ RTWN_LOCK(sc);
+
+ switch (nstate) {
+ case IEEE80211_S_INIT:
+ sc->vaps_running--;
+ sc->monvaps_running--;
+
+ if (sc->vaps_running == 0) {
+ /* Turn link LED off. */
+ rtwn_set_led(sc, RTWN_LED_LINK, 0);
+ }
+ break;
+ case IEEE80211_S_RUN:
+ sc->vaps_running++;
+ sc->monvaps_running++;
+
+ if (sc->vaps_running == 1) {
+ /* Turn link LED on. */
+ rtwn_set_led(sc, RTWN_LED_LINK, 1);
+ }
+ break;
+ default:
+ /* NOTREACHED */
+ break;
+ }
+
+ RTWN_UNLOCK(sc);
+ IEEE80211_LOCK(ic);
+ }
+
+ return (uvp->newstate(vap, nstate, arg));
+}
+
+static int
+rtwn_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
+{
+ struct rtwn_vap *uvp = RTWN_VAP(vap);
+ struct ieee80211com *ic = vap->iv_ic;
+ struct rtwn_softc *sc = ic->ic_softc;
+ enum ieee80211_state ostate;
+ int error, early_newstate;
+
+ ostate = vap->iv_state;
+ RTWN_DPRINTF(sc, RTWN_DEBUG_STATE, "%s -> %s\n",
+ ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
+
+ if (vap->iv_bss->ni_chan == IEEE80211_CHAN_ANYC &&
+ ostate == IEEE80211_S_INIT && nstate == IEEE80211_S_RUN) {
+ /* need to call iv_newstate() firstly */
+ error = uvp->newstate(vap, nstate, arg);
+ if (error != 0)
+ return (error);
+
+ early_newstate = 1;
+ } else
+ early_newstate = 0;
+
+ if (ostate == IEEE80211_S_CSA) {
+ taskqueue_cancel_timeout(taskqueue_thread,
+ &uvp->tx_beacon_csa, NULL);
+
+ /*
+ * In multi-vap case second counter may not be cleared
+ * properly.
+ */
+ vap->iv_csa_count = 0;
+ }
+ IEEE80211_UNLOCK(ic);
+ RTWN_LOCK(sc);
+
+ if (ostate == IEEE80211_S_CSA) {
+ /* Unblock all queues (multi-vap case). */
+ rtwn_write_1(sc, R92C_TXPAUSE, 0);
+ }
+
+ if ((ostate == IEEE80211_S_RUN && nstate != IEEE80211_S_CSA) ||
+ ostate == IEEE80211_S_CSA) {
+ sc->vaps_running--;
+
+ /* Set media status to 'No Link'. */
+ rtwn_set_mode(sc, R92C_MSR_NOLINK, uvp->id);
+
+ if (vap->iv_opmode == IEEE80211_M_IBSS) {
+ /* Stop periodical TSF synchronization. */
+ callout_stop(&uvp->tsf_sync_adhoc);
+ }
+
+ /* Disable TSF synchronization / beaconing. */
+ rtwn_beacon_enable(sc, uvp->id, 0);
+ rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id),
+ 0, R92C_BCN_CTRL_DIS_TSF_UDT0);
+
+ /* NB: monitor mode vaps are using port 0. */
+ if (uvp->id != 0 || sc->monvaps_running == 0) {
+ /* Reset TSF. */
+ rtwn_write_1(sc, R92C_DUAL_TSF_RST,
+ R92C_DUAL_TSF_RESET(uvp->id));
+ }
+
+#ifndef RTWN_WITHOUT_UCODE
+ if ((ic->ic_caps & IEEE80211_C_PMGT) != 0 && uvp->id == 0) {
+ /* Disable power management. */
+ callout_stop(&sc->sc_pwrmode_init);
+ rtwn_set_pwrmode(sc, vap, 0);
+ }
+#endif
+ if (sc->vaps_running - sc->monvaps_running > 0) {
+ /* Recalculate basic rates bitmap. */
+ rtwn_calc_basicrates(sc);
+ }
+
+ if (sc->vaps_running == sc->monvaps_running) {
+ /* Stop calibration. */
+ callout_stop(&sc->sc_calib_to);
+
+ /* Stop Rx of data frames. */
+ rtwn_write_2(sc, R92C_RXFLTMAP2, 0);
+
+ /* Reset EDCA parameters. */
+ rtwn_write_4(sc, R92C_EDCA_VO_PARAM, 0x002f3217);
+ rtwn_write_4(sc, R92C_EDCA_VI_PARAM, 0x005e4317);
+ rtwn_write_4(sc, R92C_EDCA_BE_PARAM, 0x00105320);
+ rtwn_write_4(sc, R92C_EDCA_BK_PARAM, 0x0000a444);
+
+ if (sc->vaps_running == 0) {
+ /* Turn link LED off. */
+ rtwn_set_led(sc, RTWN_LED_LINK, 0);
+ }
+ }
+ }
+
+ error = 0;
+ switch (nstate) {
+ case IEEE80211_S_SCAN:
+ /* Pause AC Tx queues. */
+ if (sc->vaps_running == 0)
+ rtwn_setbits_1(sc, R92C_TXPAUSE, 0, R92C_TX_QUEUE_AC);
+ break;
+ case IEEE80211_S_RUN:
+ error = rtwn_run(sc, vap);
+ if (error != 0) {
+ device_printf(sc->sc_dev,
+ "%s: could not move to RUN state\n", __func__);
+ break;
+ }
+
+ sc->vaps_running++;
+ break;
+ case IEEE80211_S_CSA:
+ /* Block all Tx queues (except beacon queue). */
+ rtwn_setbits_1(sc, R92C_TXPAUSE, 0,
+ R92C_TX_QUEUE_AC | R92C_TX_QUEUE_MGT | R92C_TX_QUEUE_HIGH);
+ break;
+ default:
+ break;
+ }
+
+ RTWN_UNLOCK(sc);
+ IEEE80211_LOCK(ic);
+ if (error != 0)
+ return (error);
+
+ return (early_newstate ? 0 : uvp->newstate(vap, nstate, arg));
+}
+
+static void
+rtwn_calc_basicrates(struct rtwn_softc *sc)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ uint32_t basicrates;
+ int i;
+
+ RTWN_ASSERT_LOCKED(sc);
+
+ if (ic->ic_flags & IEEE80211_F_SCAN)
+ return; /* will be done by rtwn_scan_end(). */
+
+ basicrates = 0;
+ for (i = 0; i < nitems(sc->vaps); i++) {
+ struct rtwn_vap *rvp;
+ struct ieee80211vap *vap;
+ struct ieee80211_node *ni;
+ uint32_t rates;
+
+ rvp = sc->vaps[i];
+ if (rvp == NULL || rvp->curr_mode == R92C_MSR_NOLINK)
+ continue;
+
+ vap = &rvp->vap;
+ if (vap->iv_bss == NULL)
+ continue;
+
+ ni = ieee80211_ref_node(vap->iv_bss);
+ rtwn_get_rates(sc, &ni->ni_rates, NULL, &rates, NULL, 1);
+ basicrates |= rates;
+ ieee80211_free_node(ni);
+ }
+
+ if (basicrates == 0)
+ return;
+
+ /* XXX initial RTS rate? */
+ rtwn_set_basicrates(sc, basicrates);
+}
+
+static int
+rtwn_run(struct rtwn_softc *sc, struct ieee80211vap *vap)
+{
+ struct ieee80211com *ic = vap->iv_ic;
+ struct rtwn_vap *uvp = RTWN_VAP(vap);
+ struct ieee80211_node *ni;
+ uint8_t mode;
+ int error;
+
+ RTWN_ASSERT_LOCKED(sc);
+
+ error = 0;
+ ni = ieee80211_ref_node(vap->iv_bss);
+
+ if (ic->ic_bsschan == IEEE80211_CHAN_ANYC ||
+ ni->ni_chan == IEEE80211_CHAN_ANYC) {
+ error = EINVAL;
+ goto fail;
+ }
+
+ switch (vap->iv_opmode) {
+ case IEEE80211_M_STA:
+ mode = R92C_MSR_INFRA;
+ break;
+ case IEEE80211_M_IBSS:
+ mode = R92C_MSR_ADHOC;
+ break;
+ case IEEE80211_M_HOSTAP:
+ mode = R92C_MSR_AP;
+ break;
+ default:
+ KASSERT(0, ("undefined opmode %d\n", vap->iv_opmode));
+ error = EINVAL;
+ goto fail;
+ }
+
+ /* Set media status to 'Associated'. */
+ rtwn_set_mode(sc, mode, uvp->id);
+
+ /* Set AssocID. */
+ /* XXX multi-vap? */
+ rtwn_write_2(sc, R92C_BCN_PSR_RPT,
+ 0xc000 | IEEE80211_NODE_AID(ni));
+
+ /* Set BSSID. */
+ rtwn_set_bssid(sc, ni->ni_bssid, uvp->id);
+
+ /* Set beacon interval. */
+ rtwn_write_2(sc, R92C_BCN_INTERVAL(uvp->id), ni->ni_intval);
+
+ if (sc->vaps_running == sc->monvaps_running) {
+ /* Enable Rx of data frames. */
+ rtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff);
+
+ /* Flush all AC queues. */
+ rtwn_write_1(sc, R92C_TXPAUSE, 0);
+ }
+
+#ifndef RTWN_WITHOUT_UCODE
+ /* Upload (QoS) Null Data frame to firmware. */
+ /* Note: do this for port 0 only. */
+ if ((ic->ic_caps & IEEE80211_C_PMGT) != 0 &&
+ vap->iv_opmode == IEEE80211_M_STA && uvp->id == 0) {
+ error = rtwn_tx_fwpkt_check(sc, vap);
+ if (error != 0)
+ goto fail;
+
+ /* Setup power management. */
+ /*
+ * NB: it will be enabled immediately - delay it,
+ * so 4-Way handshake will not be interrupted.
+ */
+ callout_reset(&sc->sc_pwrmode_init, 5*hz,
+ rtwn_pwrmode_init, sc);
+ }
+#endif
+
+ /* Enable TSF synchronization. */
+ rtwn_tsf_sync_enable(sc, vap);
+
+ if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
+ vap->iv_opmode == IEEE80211_M_IBSS) {
+ error = rtwn_setup_beacon(sc, ni);
+ if (error != 0) {
+ device_printf(sc->sc_dev,
+ "unable to push beacon into the chip, "
+ "error %d\n", error);
+ goto fail;
+ }
+ }
+
+ /* Set ACK preamble type. */
+ rtwn_set_ack_preamble(sc);
+
+ /* Set basic rates mask. */
+ rtwn_calc_basicrates(sc);
+
+#ifdef RTWN_TODO
+ rtwn_write_1(sc, R92C_SIFS_CCK + 1, 10);
+ rtwn_write_1(sc, R92C_SIFS_OFDM + 1, 10);
+ rtwn_write_1(sc, R92C_SPEC_SIFS + 1, 10);
+ rtwn_write_1(sc, R92C_MAC_SPEC_SIFS + 1, 10);
+ rtwn_write_1(sc, R92C_R2T_SIFS + 1, 10);
+ rtwn_write_1(sc, R92C_T2T_SIFS + 1, 10);
+#endif
+
+ if (sc->vaps_running == sc->monvaps_running) {
+ /* Reset temperature calibration state machine. */
+ sc->sc_flags &= ~RTWN_TEMP_MEASURED;
+ sc->thcal_temp = sc->thermal_meter;
+
+ /* Start periodic calibration. */
+ callout_reset(&sc->sc_calib_to, 2*hz, rtwn_calib_to,
+ sc);
+
+ if (sc->vaps_running == 0) {
+ /* Turn link LED on. */
+ rtwn_set_led(sc, RTWN_LED_LINK, 1);
+ }
+ }
+
+fail:
+ ieee80211_free_node(ni);
+
+ return (error);
+}
+
+#ifndef D4054
+static void
+rtwn_watchdog(void *arg)
+{
+ struct rtwn_softc *sc = arg;
+ struct ieee80211com *ic = &sc->sc_ic;
+
+ RTWN_ASSERT_LOCKED(sc);
+
+ KASSERT(sc->sc_flags & RTWN_RUNNING, ("not running"));
+
+ if (sc->sc_tx_timer != 0 && --sc->sc_tx_timer == 0) {
+ ic_printf(ic, "device timeout\n");
+ ieee80211_restart_all(ic);
+ return;
+ }
+ callout_reset(&sc->sc_watchdog_to, hz, rtwn_watchdog, sc);
+}
+#endif
+
+static void
+rtwn_parent(struct ieee80211com *ic)
+{
+ struct rtwn_softc *sc = ic->ic_softc;
+ struct ieee80211vap *vap;
+
+ if (ic->ic_nrunning > 0) {
+ if (rtwn_init(sc) != 0) {
+ IEEE80211_LOCK(ic);
+ TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
+ ieee80211_stop_locked(vap);
+ IEEE80211_UNLOCK(ic);
+ } else
+ ieee80211_start_all(ic);
+ } else
+ rtwn_stop(sc);
+}
+
+
+static int
+rtwn_llt_write(struct rtwn_softc *sc, uint32_t addr, uint32_t data)
+{
+ int ntries, error;
+
+ error = rtwn_write_4(sc, R92C_LLT_INIT,
+ SM(R92C_LLT_INIT_OP, R92C_LLT_INIT_OP_WRITE) |
+ SM(R92C_LLT_INIT_ADDR, addr) |
+ SM(R92C_LLT_INIT_DATA, data));
+ if (error != 0)
+ return (error);
+ /* Wait for write operation to complete. */
+ for (ntries = 0; ntries < 20; ntries++) {
+ if (MS(rtwn_read_4(sc, R92C_LLT_INIT), R92C_LLT_INIT_OP) ==
+ R92C_LLT_INIT_OP_NO_ACTIVE)
+ return (0);
+ rtwn_delay(sc, 10);
+ }
+ return (ETIMEDOUT);
+}
+
+static int
+rtwn_llt_init(struct rtwn_softc *sc)
+{
+ int i, error;
+
+ /* Reserve pages [0; page_count]. */
+ for (i = 0; i < sc->page_count; i++) {
+ if ((error = rtwn_llt_write(sc, i, i + 1)) != 0)
+ return (error);
+ }
+ /* NB: 0xff indicates end-of-list. */
+ if ((error = rtwn_llt_write(sc, i, 0xff)) != 0)
+ return (error);
+ /*
+ * Use pages [page_count + 1; pktbuf_count - 1]
+ * as ring buffer.
+ */
+ for (++i; i < sc->pktbuf_count - 1; i++) {
+ if ((error = rtwn_llt_write(sc, i, i + 1)) != 0)
+ return (error);
+ }
+ /* Make the last page point to the beginning of the ring buffer. */
+ error = rtwn_llt_write(sc, i, sc->page_count + 1);
+ return (error);
+}
+
+static int
+rtwn_dma_init(struct rtwn_softc *sc)
+{
+#define RTWN_CHK(res) do { \
+ if (res != 0) \
+ return (EIO); \
+} while(0)
+ uint16_t reg;
+ uint8_t tx_boundary;
+ int error;
+
+ /* Initialize LLT table. */
+ error = rtwn_llt_init(sc);
+ if (error != 0)
+ return (error);
+
+ /* Set the number of pages for each queue. */
+ RTWN_DPRINTF(sc, RTWN_DEBUG_RESET,
+ "%s: pages per queue: high %d, normal %d, low %d, public %d\n",
+ __func__, sc->nhqpages, sc->nnqpages, sc->nlqpages,
+ sc->npubqpages);
+
+ RTWN_CHK(rtwn_write_1(sc, R92C_RQPN_NPQ, sc->nnqpages));
+ RTWN_CHK(rtwn_write_4(sc, R92C_RQPN,
+ /* Set number of pages for public queue. */
+ SM(R92C_RQPN_PUBQ, sc->npubqpages) |
+ /* Set number of pages for high priority queue. */
+ SM(R92C_RQPN_HPQ, sc->nhqpages) |
+ /* Set number of pages for low priority queue. */
+ SM(R92C_RQPN_LPQ, sc->nlqpages) |
+ /* Load values. */
+ R92C_RQPN_LD));
+
+ /* Initialize TX buffer boundary. */
+ KASSERT(sc->page_count < 255 && sc->page_count > 0,
+ ("page_count is %d\n", sc->page_count));
+ tx_boundary = sc->page_count + 1;
+ RTWN_CHK(rtwn_write_1(sc, R92C_TXPKTBUF_BCNQ_BDNY, tx_boundary));
+ RTWN_CHK(rtwn_write_1(sc, R92C_TXPKTBUF_MGQ_BDNY, tx_boundary));
+ RTWN_CHK(rtwn_write_1(sc, R92C_TXPKTBUF_WMAC_LBK_BF_HD, tx_boundary));
+ RTWN_CHK(rtwn_write_1(sc, R92C_TRXFF_BNDY, tx_boundary));
+ RTWN_CHK(rtwn_write_1(sc, R92C_TDECTRL + 1, tx_boundary));
+
+ error = rtwn_init_bcnq1_boundary(sc);
+ if (error != 0)
+ return (error);
+
+ /* Set queue to USB pipe mapping. */
+ /* Note: PCIe devices are using some magic number here. */
+ reg = rtwn_get_qmap(sc);
+ RTWN_CHK(rtwn_setbits_2(sc, R92C_TRXDMA_CTRL,
+ R92C_TRXDMA_CTRL_QMAP_M, reg));
+
+ /* Configure Tx/Rx DMA (PCIe). */
+ rtwn_set_desc_addr(sc);
+
+ /* Set Tx/Rx transfer page boundary. */
+ RTWN_CHK(rtwn_write_2(sc, R92C_TRXFF_BNDY + 2,
+ sc->rx_dma_size - 1));
+
+ /* Set Tx/Rx transfer page size. */
+ rtwn_set_page_size(sc);
+
+ return (0);
+}
+
+static int
+rtwn_mac_init(struct rtwn_softc *sc)
+{
+ int i, error;
+
+ /* Write MAC initialization values. */
+ for (i = 0; i < sc->mac_size; i++) {
+ error = rtwn_write_1(sc, sc->mac_prog[i].reg,
+ sc->mac_prog[i].val);
+ if (error != 0)
+ return (error);
+ }
+
+ return (0);
+}
+
+static void
+rtwn_mrr_init(struct rtwn_softc *sc)
+{
+ int i;
+
+ /* Drop rate index by 1 per retry. */
+ for (i = 0; i < R92C_DARFRC_SIZE; i++) {
+ rtwn_write_1(sc, R92C_DARFRC + i, i + 1);
+ rtwn_write_1(sc, R92C_RARFRC + i, i + 1);
+ }
+}
+
+static void
+rtwn_scan_start(struct ieee80211com *ic)
+{
+ struct rtwn_softc *sc = ic->ic_softc;
+
+ RTWN_LOCK(sc);
+ /* Pause beaconing. */
+ rtwn_setbits_1(sc, R92C_TXPAUSE, 0, R92C_TX_QUEUE_BCN);
+ /* Receive beacons / probe responses from any BSSID. */
+ if (sc->bcn_vaps == 0)
+ rtwn_set_rx_bssid_all(sc, 1);
+ RTWN_UNLOCK(sc);
+}
+
+static void
+rtwn_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell)
+{
+ struct rtwn_softc *sc = ss->ss_ic->ic_softc;
+
+ /* Make link LED blink during scan. */
+ RTWN_LOCK(sc);
+ rtwn_set_led(sc, RTWN_LED_LINK, !sc->ledlink);
+ RTWN_UNLOCK(sc);
+
+ sc->sc_scan_curchan(ss, maxdwell);
+}
+
+static void
+rtwn_scan_end(struct ieee80211com *ic)
+{
+ struct rtwn_softc *sc = ic->ic_softc;
+
+ RTWN_LOCK(sc);
+ /* Restore limitations. */
+ if (ic->ic_promisc == 0 && sc->bcn_vaps == 0)
+ rtwn_set_rx_bssid_all(sc, 0);
+
+ /* Restore LED state. */
+ rtwn_set_led(sc, RTWN_LED_LINK, (sc->vaps_running != 0));
+
+ /* Restore basic rates mask. */
+ rtwn_calc_basicrates(sc);
+
+ /* Resume beaconing. */
+ rtwn_setbits_1(sc, R92C_TXPAUSE, R92C_TX_QUEUE_BCN, 0);
+ RTWN_UNLOCK(sc);
+}
+
+static void
+rtwn_getradiocaps(struct ieee80211com *ic,
+ int maxchans, int *nchans, struct ieee80211_channel chans[])
+{
+ struct rtwn_softc *sc = ic->ic_softc;
+ uint8_t bands[IEEE80211_MODE_BYTES];
+ int i;
+
+ memset(bands, 0, sizeof(bands));
+ setbit(bands, IEEE80211_MODE_11B);
+ setbit(bands, IEEE80211_MODE_11G);
+ setbit(bands, IEEE80211_MODE_11NG);
+ ieee80211_add_channel_list_2ghz(chans, maxchans, nchans,
+ rtwn_chan_2ghz, nitems(rtwn_chan_2ghz), bands,
+ !!(ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40));
+
+ /* XXX workaround add_channel_list() limitations */
+ setbit(bands, IEEE80211_MODE_11A);
+ setbit(bands, IEEE80211_MODE_11NA);
+ for (i = 0; i < nitems(sc->chan_num_5ghz); i++) {
+ if (sc->chan_num_5ghz[i] == 0)
+ continue;
+
+ ieee80211_add_channel_list_5ghz(chans, maxchans, nchans,
+ sc->chan_list_5ghz[i], sc->chan_num_5ghz[i], bands,
+ !!(ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40));
+ }
+}
+
+static void
+rtwn_update_chw(struct ieee80211com *ic)
+{
+}
+
+static void
+rtwn_set_channel(struct ieee80211com *ic)
+{
+ struct rtwn_softc *sc = ic->ic_softc;
+ struct ieee80211_channel *c = ic->ic_curchan;
+
+ RTWN_LOCK(sc);
+ rtwn_set_chan(sc, c);
+ sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq);
+ sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags);
+ sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq);
+ sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags);
+ RTWN_UNLOCK(sc);
+}
+
+static int
+rtwn_wme_update(struct ieee80211com *ic)
+{
+ struct ieee80211_channel *c = ic->ic_curchan;
+ struct rtwn_softc *sc = ic->ic_softc;
+ struct wmeParams *wmep = sc->cap_wmeParams;
+ uint8_t aifs, acm, slottime;
+ int ac;
+
+ /* Prevent possible races. */
+ IEEE80211_LOCK(ic); /* XXX */
+ RTWN_LOCK(sc);
+ memcpy(wmep, ic->ic_wme.wme_chanParams.cap_wmeParams,
+ sizeof(sc->cap_wmeParams));
+ RTWN_UNLOCK(sc);
+ IEEE80211_UNLOCK(ic);
+
+ acm = 0;
+ slottime = IEEE80211_GET_SLOTTIME(ic);
+
+ RTWN_LOCK(sc);
+ for (ac = WME_AC_BE; ac < WME_NUM_AC; ac++) {
+ /* AIFS[AC] = AIFSN[AC] * aSlotTime + aSIFSTime. */
+ aifs = wmep[ac].wmep_aifsn * slottime +
+ (IEEE80211_IS_CHAN_5GHZ(c) ?
+ IEEE80211_DUR_OFDM_SIFS : IEEE80211_DUR_SIFS);
+ rtwn_write_4(sc, wme2reg[ac],
+ SM(R92C_EDCA_PARAM_TXOP, wmep[ac].wmep_txopLimit) |
+ SM(R92C_EDCA_PARAM_ECWMIN, wmep[ac].wmep_logcwmin) |
+ SM(R92C_EDCA_PARAM_ECWMAX, wmep[ac].wmep_logcwmax) |
+ SM(R92C_EDCA_PARAM_AIFS, aifs));
+ if (ac != WME_AC_BE)
+ acm |= wmep[ac].wmep_acm << ac;
+ }
+
+ if (acm != 0)
+ acm |= R92C_ACMHWCTRL_EN;
+ rtwn_setbits_1(sc, R92C_ACMHWCTRL, R92C_ACMHWCTRL_ACM_MASK, acm);
+ RTWN_UNLOCK(sc);
+
+ return 0;
+}
+
+static void
+rtwn_update_slot(struct ieee80211com *ic)
+{
+ rtwn_cmd_sleepable(ic->ic_softc, NULL, 0, rtwn_update_slot_cb);
+}
+
+static void
+rtwn_update_slot_cb(struct rtwn_softc *sc, union sec_param *data)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ uint8_t slottime;
+
+ slottime = IEEE80211_GET_SLOTTIME(ic);
+
+ RTWN_DPRINTF(sc, RTWN_DEBUG_STATE, "%s: setting slot time to %uus\n",
+ __func__, slottime);
+
+ rtwn_write_1(sc, R92C_SLOT, slottime);
+ rtwn_update_aifs(sc, slottime);
+}
+
+static void
+rtwn_update_aifs(struct rtwn_softc *sc, uint8_t slottime)
+{
+ struct ieee80211_channel *c = sc->sc_ic.ic_curchan;
+ const struct wmeParams *wmep = sc->cap_wmeParams;
+ uint8_t aifs, ac;
+
+ for (ac = WME_AC_BE; ac < WME_NUM_AC; ac++) {
+ /* AIFS[AC] = AIFSN[AC] * aSlotTime + aSIFSTime. */
+ aifs = wmep[ac].wmep_aifsn * slottime +
+ (IEEE80211_IS_CHAN_5GHZ(c) ?
+ IEEE80211_DUR_OFDM_SIFS : IEEE80211_DUR_SIFS);
+ rtwn_write_1(sc, wme2reg[ac], aifs);
+ }
+}
+
+static void
+rtwn_update_promisc(struct ieee80211com *ic)
+{
+ struct rtwn_softc *sc = ic->ic_softc;
+
+ RTWN_LOCK(sc);
+ if (sc->sc_flags & RTWN_RUNNING)
+ rtwn_set_promisc(sc);
+ RTWN_UNLOCK(sc);
+}
+
+static void
+rtwn_update_mcast(struct ieee80211com *ic)
+{
+ struct rtwn_softc *sc = ic->ic_softc;
+
+ RTWN_LOCK(sc);
+ if (sc->sc_flags & RTWN_RUNNING)
+ rtwn_set_multi(sc);
+ RTWN_UNLOCK(sc);
+}
+
+static int
+rtwn_set_bssid(struct rtwn_softc *sc, const uint8_t *bssid, int id)
+{
+ int error;
+
+ error = rtwn_write_4(sc, R92C_BSSID(id), le32dec(&bssid[0]));
+ if (error != 0)
+ return (error);
+ error = rtwn_write_2(sc, R92C_BSSID(id) + 4, le16dec(&bssid[4]));
+
+ return (error);
+}
+
+static int
+rtwn_set_macaddr(struct rtwn_softc *sc, const uint8_t *addr, int id)
+{
+ int error;
+
+ error = rtwn_write_4(sc, R92C_MACID(id), le32dec(&addr[0]));
+ if (error != 0)
+ return (error);
+ error = rtwn_write_2(sc, R92C_MACID(id) + 4, le16dec(&addr[4]));
+
+ return (error);
+}
+
+static struct ieee80211_node *
+rtwn_node_alloc(struct ieee80211vap *vap,
+ const uint8_t mac[IEEE80211_ADDR_LEN])
+{
+ struct rtwn_node *un;
+
+ un = malloc(sizeof (struct rtwn_node), M_80211_NODE,
+ M_NOWAIT | M_ZERO);
+
+ if (un == NULL)
+ return NULL;
+
+ un->id = RTWN_MACID_UNDEFINED;
+ un->avg_pwdb = -1;
+
+ return &un->ni;
+}
+
+static void
+rtwn_newassoc(struct ieee80211_node *ni, int isnew)
+{
+ struct rtwn_softc *sc = ni->ni_ic->ic_softc;
+ struct rtwn_node *un = RTWN_NODE(ni);
+ int id;
+
+ if (!isnew)
+ return;
+
+ RTWN_NT_LOCK(sc);
+ for (id = 0; id <= sc->macid_limit; id++) {
+ if (id != RTWN_MACID_BC && sc->node_list[id] == NULL) {
+ un->id = id;
+ sc->node_list[id] = ni;
+ break;
+ }
+ }
+ RTWN_NT_UNLOCK(sc);
+
+ if (id > sc->macid_limit) {
+ device_printf(sc->sc_dev, "%s: node table is full\n",
+ __func__);
+ return;
+ }
+
+#ifndef RTWN_WITHOUT_UCODE
+ /* Notify firmware. */
+ id |= RTWN_MACID_VALID;
+ rtwn_cmd_sleepable(sc, &id, sizeof(id), rtwn_set_media_status);
+#endif
+}
+
+static void
+rtwn_node_free(struct ieee80211_node *ni)
+{
+ struct rtwn_softc *sc = ni->ni_ic->ic_softc;
+ struct rtwn_node *un = RTWN_NODE(ni);
+
+ RTWN_NT_LOCK(sc);
+ if (un->id != RTWN_MACID_UNDEFINED) {
+ sc->node_list[un->id] = NULL;
+#ifndef RTWN_WITHOUT_UCODE
+ rtwn_cmd_sleepable(sc, &un->id, sizeof(un->id),
+ rtwn_set_media_status);
+#endif
+ }
+ RTWN_NT_UNLOCK(sc);
+
+ sc->sc_node_free(ni);
+}
+
+static void
+rtwn_init_beacon_reg(struct rtwn_softc *sc)
+{
+ rtwn_write_1(sc, R92C_BCN_CTRL(0), R92C_BCN_CTRL_DIS_TSF_UDT0);
+ rtwn_write_1(sc, R92C_BCN_CTRL(1), R92C_BCN_CTRL_DIS_TSF_UDT0);
+ rtwn_write_2(sc, R92C_TBTT_PROHIBIT, 0x6404);
+ rtwn_write_1(sc, R92C_DRVERLYINT, 0x05);
+ rtwn_write_1(sc, R92C_BCNDMATIM, 0x02);
+ rtwn_write_2(sc, R92C_BCNTCFG, 0x660f);
+}
+
+static int
+rtwn_init(struct rtwn_softc *sc)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ int i, error;
+
+ RTWN_LOCK(sc);
+ if (sc->sc_flags & RTWN_RUNNING) {
+ RTWN_UNLOCK(sc);
+ return (0);
+ }
+ sc->sc_flags |= RTWN_STARTED;
+
+ /* Power on adapter. */
+ error = rtwn_power_on(sc);
+ if (error != 0)
+ goto fail;
+
+#ifndef RTWN_WITHOUT_UCODE
+ /* Load 8051 microcode. */
+ error = rtwn_load_firmware(sc);
+ if (error == 0)
+ sc->sc_flags |= RTWN_FW_LOADED;
+
+ /* Init firmware commands ring. */
+ sc->fwcur = 0;
+#endif
+
+ /* Initialize MAC block. */
+ error = rtwn_mac_init(sc);
+ if (error != 0) {
+ device_printf(sc->sc_dev,
+ "%s: error while initializing MAC block\n", __func__);
+ goto fail;
+ }
+
+ /* Initialize DMA. */
+ error = rtwn_dma_init(sc);
+ if (error != 0)
+ goto fail;
+
+ /* Drop incorrect TX (USB). */
+ rtwn_drop_incorrect_tx(sc);
+
+ /* Set info size in Rx descriptors (in 64-bit words). */
+ rtwn_write_1(sc, R92C_RX_DRVINFO_SZ, R92C_RX_DRVINFO_SZ_DEF);
+
+ /* Init interrupts. */
+ rtwn_init_intr(sc);
+
+ for (i = 0; i < nitems(sc->vaps); i++) {
+ struct rtwn_vap *uvp = sc->vaps[i];
+
+ /* Set initial network type. */
+ rtwn_set_mode(sc, R92C_MSR_NOLINK, i);
+
+ if (uvp == NULL)
+ continue;
+
+ /* Set MAC address. */
+ error = rtwn_set_macaddr(sc, uvp->vap.iv_myaddr, uvp->id);
+ if (error != 0)
+ goto fail;
+ }
+
+ /* Initialize Rx filter. */
+ rtwn_rxfilter_init(sc);
+
+ /* Set short/long retry limits. */
+ rtwn_write_2(sc, R92C_RL,
+ SM(R92C_RL_SRL, 0x30) | SM(R92C_RL_LRL, 0x30));
+
+ /* Initialize EDCA parameters. */
+ rtwn_init_edca(sc);
+
+ rtwn_setbits_1(sc, R92C_FWHW_TXQ_CTRL, 0,
+ R92C_FWHW_TXQ_CTRL_AMPDU_RTY_NEW);
+ /* Set ACK timeout. */
+ rtwn_write_1(sc, R92C_ACKTO, sc->ackto);
+
+ /* Setup aggregation. */
+ /* Tx aggregation. */
+ rtwn_init_tx_agg(sc);
+ rtwn_init_rx_agg(sc);
+
+ /* Initialize beacon parameters. */
+ rtwn_init_beacon_reg(sc);
+
+ /* Init A-MPDU parameters. */
+ rtwn_init_ampdu(sc);
+
+ /* Init MACTXEN / MACRXEN after setting RxFF boundary. */
+ rtwn_setbits_1(sc, R92C_CR, 0, R92C_CR_MACTXEN | R92C_CR_MACRXEN);
+
+ /* Initialize BB/RF blocks. */
+ rtwn_init_bb(sc);
+ rtwn_init_rf(sc);
+
+ /* Initialize wireless band. */
+ rtwn_set_chan(sc, ic->ic_curchan);
+
+ /* Clear per-station keys table. */
+ rtwn_init_cam(sc);
+
+ /* Enable decryption / encryption. */
+ rtwn_init_seccfg(sc);
+
+ /* Install static keys (if any). */
+ for (i = 0; i < nitems(sc->vaps); i++) {
+ if (sc->vaps[i] != NULL) {
+ error = rtwn_init_static_keys(sc, sc->vaps[i]);
+ if (error != 0)
+ goto fail;
+ }
+ }
+
+ /* Initialize antenna selection. */
+ rtwn_init_antsel(sc);
+
+ /* Enable hardware sequence numbering. */
+ rtwn_write_1(sc, R92C_HWSEQ_CTRL, R92C_TX_QUEUE_ALL);
+
+ /* Disable BAR. */
+ rtwn_write_4(sc, R92C_BAR_MODE_CTRL, 0x0201ffff);
+
+ /* NAV limit. */
+ rtwn_write_1(sc, R92C_NAV_UPPER, 0);
+
+ /* Initialize GPIO setting. */
+ rtwn_setbits_1(sc, R92C_GPIO_MUXCFG, R92C_GPIO_MUXCFG_ENBT, 0);
+
+ /* Initialize MRR. */
+ rtwn_mrr_init(sc);
+
+ /* Device-specific post initialization. */
+ rtwn_post_init(sc);
+
+ rtwn_start_xfers(sc);
+
+#ifndef D4054
+ callout_reset(&sc->sc_watchdog_to, hz, rtwn_watchdog, sc);
+#endif
+
+ sc->sc_flags |= RTWN_RUNNING;
+fail:
+ RTWN_UNLOCK(sc);
+
+ return (error);
+}
+
+static void
+rtwn_stop(struct rtwn_softc *sc)
+{
+
+ RTWN_LOCK(sc);
+ if (!(sc->sc_flags & RTWN_STARTED)) {
+ RTWN_UNLOCK(sc);
+ return;
+ }
+
+#ifndef D4054
+ callout_stop(&sc->sc_watchdog_to);
+ sc->sc_tx_timer = 0;
+#endif
+ sc->sc_flags &= ~(RTWN_STARTED | RTWN_RUNNING | RTWN_FW_LOADED);
+ sc->sc_flags &= ~RTWN_TEMP_MEASURED;
+ sc->fwver = 0;
+ sc->thcal_temp = 0;
+ sc->cur_bcnq_id = RTWN_VAP_ID_INVALID;
+
+#ifdef D4054
+ ieee80211_tx_watchdog_stop(&sc->sc_ic);
+#endif
+
+ rtwn_abort_xfers(sc);
+ rtwn_drain_mbufq(sc);
+ rtwn_power_off(sc);
+ rtwn_reset_lists(sc, NULL);
+ RTWN_UNLOCK(sc);
+}
+
+MODULE_VERSION(rtwn, 2);
+MODULE_DEPEND(rtwn, wlan, 1, 1, 1);
+#ifndef RTWN_WITHOUT_UCODE
+MODULE_DEPEND(rtwn, firmware, 1, 1, 1);
+#endif