56#include <sys/sysctl.h>
58#include <sys/malloc.h>
61#include <sys/kernel.h>
62#include <sys/socket.h>
63#include <sys/sockio.h>
65#include <sys/callout.h>
67#include <sys/endian.h>
68#include <sys/kthread.h>
69#include <sys/taskqueue.h>
71#include <sys/module.h>
75#include <machine/bus.h>
78#include <net/if_var.h>
80#include <net/if_media.h>
81#include <net/if_types.h>
82#include <net/if_arp.h>
83#include <net/ethernet.h>
84#include <net/if_llc.h>
86#include <net80211/ieee80211_var.h>
87#include <net80211/ieee80211_regdomain.h>
88#ifdef IEEE80211_SUPPORT_SUPERG
89#include <net80211/ieee80211_superg.h>
91#ifdef IEEE80211_SUPPORT_TDMA
92#include <net80211/ieee80211_tdma.h>
98#include <netinet/in.h>
99#include <netinet/if_ether.h>
119#include <dev/ath/ath_tx99/ath_tx99.h>
160 struct ieee80211com *ic = &sc->
sc_ic;
166 if (ic->ic_opmode != IEEE80211_M_STA)
169 if (ic->ic_opmode == IEEE80211_M_MONITOR || ic->ic_promisc > 0)
182 if (ic->ic_opmode == IEEE80211_M_IBSS || sc->
sc_swbmiss) {
184 }
else if (ic->ic_opmode == IEEE80211_M_STA) {
197 if (ic->ic_opmode == IEEE80211_M_HOSTAP &&
198 IEEE80211_IS_CHAN_ANYG(ic->ic_curchan))
208 ic->ic_opmode == IEEE80211_M_HOSTAP)
218 if (ic->ic_opmode == IEEE80211_M_MONITOR)
225 if (IEEE80211_IS_CHAN_HT(ic->ic_curchan))
242 DPRINTF(sc, ATH_DEBUG_MODE,
"%s: RX filter 0x%x, %s\n",
243 __func__, rfilt, ieee80211_opmode_name[ic->ic_opmode]);
266 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
269 "%s: no mbuf/cluster\n", __func__);
273 m->m_pkthdr.len = m->m_len = m->m_ext.ext_size;
275 error = bus_dmamap_load_mbuf_sg(sc->
sc_dmat,
281 "%s: bus_dmamap_load_mbuf_sg failed; error %d\n",
288 (
"multi-segment packet; nseg %u", bf->
bf_nseg));
337 int subtype,
const struct ieee80211_rx_stats *rxs,
int rssi,
int nf)
339 struct ieee80211vap *vap = ni->ni_vap;
340 struct ath_softc *sc = vap->iv_ic->ic_softc;
341 uint64_t tsf_beacon_old, tsf_beacon;
344 int32_t tsf_delta_bmiss;
345 int32_t tsf_remainder;
346 uint64_t tsf_beacon_target;
349 tsf_beacon_old = ((uint64_t) le32dec(ni->ni_tstamp.data + 4)) << 32;
350 tsf_beacon_old |= le32dec(ni->ni_tstamp.data);
352#define TU_TO_TSF(_tu) (((u_int64_t)(_tu)) << 10)
354 if (ni->ni_intval > 0) {
363 ATH_VAP(vap)->av_recv_mgmt(ni, m, subtype, rxs, rssi, nf);
365 case IEEE80211_FC0_SUBTYPE_BEACON:
382 if ((vap->iv_opmode != IEEE80211_M_HOSTAP) &&
383 IEEE80211_ADDR_EQ(ni->ni_bssid, vap->iv_bss->ni_bssid)) {
388 tsf_beacon = ((uint64_t) le32dec(ni->ni_tstamp.data + 4)) << 32;
389 tsf_beacon |= le32dec(ni->ni_tstamp.data);
398 tsf_delta = (
long long) tsf_beacon - (
long long) tsf_beacon_old;
400 tsf_delta_bmiss = tsf_delta / tsf_intval;
408 if (tsf_delta % tsf_intval > (tsf_intval / 2))
411 tsf_beacon_target = tsf_beacon_old +
412 (((
unsigned long long) tsf_delta_bmiss) * (
long long) tsf_intval);
423 if (tsf_beacon < tsf_beacon_target) {
425 -(tsf_intval - ((tsf_beacon - tsf_beacon_old) % tsf_intval));
427 tsf_remainder = (tsf_beacon - tsf_beacon_old) % tsf_intval;
430 DPRINTF(sc, ATH_DEBUG_BEACON,
"%s: %s: old_tsf=%llu (%u), new_tsf=%llu (%u), target_tsf=%llu (%u), delta=%lld, bmiss=%d, remainder=%d\n",
432 ieee80211_get_vap_ifname(vap),
433 (
unsigned long long) tsf_beacon_old,
434 (
unsigned int) (tsf_beacon_old >> 10),
435 (
unsigned long long) tsf_beacon,
436 (
unsigned int ) (tsf_beacon >> 10),
437 (
unsigned long long) tsf_beacon_target,
438 (
unsigned int) (tsf_beacon_target >> 10),
439 (
long long) tsf_delta,
443 DPRINTF(sc, ATH_DEBUG_BEACON,
"%s: %s: ni=%6D bssid=%6D tsf=%llu (%u), nexttbtt=%llu (%u), delta=%d\n",
445 ieee80211_get_vap_ifname(vap),
447 vap->iv_bss->ni_bssid,
":",
448 (
unsigned long long) tsf_beacon,
449 (
unsigned int) (tsf_beacon >> 10),
450 (
unsigned long long) nexttbtt,
451 (
unsigned int) (nexttbtt >> 10),
452 (int32_t) tsf_beacon - (int32_t) nexttbtt + tsf_intval);
462 if (vap->iv_opmode == IEEE80211_M_STA &&
466 ((vap->iv_flags_ext & IEEE80211_FEXT_SWBMISS) == 0) &&
467 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) {
469 "%s: syncbeacon=1; syncing\n",
481 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
482 if (vap->iv_opmode == IEEE80211_M_IBSS &&
483 vap->iv_state == IEEE80211_S_RUN &&
484 ieee80211_ibss_merge_check(ni)) {
498 if (le64toh(ni->ni_tstamp.tsf) >= tsf) {
500 "ibss merge, rstamp %u tsf %ju "
501 "tstamp %ju\n", rstamp, (uintmax_t)tsf,
502 (uintmax_t)ni->ni_tstamp.tsf);
503 (void) ieee80211_ibss_merge(ni);
510#ifdef ATH_ENABLE_RADIOTAP_VENDOR_EXT
512ath_rx_tap_vendor(
struct ath_softc *sc,
struct mbuf *m,
517 sc->
sc_rx_th.wr_ext_bitmap = htole32(1 << ATH_RADIOTAP_VENDOR_HEADER);
520 sc->
sc_rx_th.wr_vh.vh_oui[0] = 0x7f;
521 sc->
sc_rx_th.wr_vh.vh_oui[1] = 0x03;
522 sc->
sc_rx_th.wr_vh.vh_oui[2] = 0x00;
527 htole16(
sizeof(
struct ath_radiotap_vendor_hdr));
551 sc->
sc_rx_th.wr_v.vh_flags = ATH_VENDOR_PKT_RX;
560 sc->
sc_rx_th.wr_v.vh_flags |= ATH_VENDOR_PKT_ISAGGR;
562 sc->
sc_rx_th.wr_v.vh_flags |= ATH_VENDOR_PKT_MOREAGGR;
567 sc->
sc_rx_th.wr_v.vh_flags |= ATH_VENDOR_PKT_RXPHYERR;
569 sc->
sc_rx_th.wr_v.vh_phyerr_code = 0xff;
580#define CHAN_HT20 htole32(IEEE80211_CHAN_HT20)
581#define CHAN_HT40U htole32(IEEE80211_CHAN_HT40U)
582#define CHAN_HT40D htole32(IEEE80211_CHAN_HT40D)
583#define CHAN_HT (CHAN_HT20|CHAN_HT40U|CHAN_HT40D)
588 KASSERT(rt != NULL, (
"no rate table, mode %u", sc->
sc_curmode));
603 else if (IEEE80211_IS_CHAN_HT40D(sc->
sc_curchan))
605 else if (IEEE80211_IS_CHAN_HT20(sc->
sc_curchan))
608 struct ieee80211com *ic = &sc->
sc_ic;
612 else if (IEEE80211_IS_CHAN_HT40U(ic->ic_curchan))
636 struct ieee80211_frame *wh,
int keyix)
638 struct ieee80211_node *ni;
642 ni = ieee80211_find_rxnode(ic, (
const struct ieee80211_frame_min *) wh);
644 ieee80211_notify_michael_failure(ni->ni_vap, wh, keyix);
645 ieee80211_free_node(ni);
665 struct ieee80211_rx_stats rxs;
667 struct ieee80211com *ic = &sc->
sc_ic;
668 struct ieee80211_node *ni;
749 if (len >=
sizeof (
struct ieee80211_frame)) {
751 mtod(m,
struct ieee80211_frame *),
756 counter_u64_add(ic->ic_ierrors, 1);
771 if (ieee80211_radiotap_active(ic) &&
775 m->m_pkthdr.len = m->m_len = len;
777#ifdef ATH_ENABLE_RADIOTAP_VENDOR_EXT
778 ath_rx_tap_vendor(sc, m, rs, rstamp, nf);
780 ieee80211_radiotap_rx_all(ic, m);
783 m_freem(m); m = NULL;
801 m->m_pkthdr.len = len;
819 m->m_pkthdr.len = len;
843 device_printf(sc->
sc_dev,
"%s: rs_antenna > 7 (%d)\n",
846 ath_printrxbuf(sc, bf, 0, status ==
HAL_OK);
888 if (ieee80211_radiotap_active(ic)) {
890#ifdef ATH_ENABLE_RADIOTAP_VENDOR_EXT
891 ath_rx_tap_vendor(sc, m, rs, rstamp, nf);
899 if (len < IEEE80211_MIN_LEN) {
900 if (!ieee80211_radiotap_active(ic)) {
902 "%s: short packet %d\n", __func__, len);
906 ieee80211_radiotap_rx_all(ic, m);
908 m_freem(m); m = NULL;
916 ieee80211_dump_pkt(ic, mtod(m, caddr_t), len,
927 ni = ieee80211_find_rxnode_withkey(ic,
928 mtod(m,
const struct ieee80211_frame_min *),
930 IEEE80211_KEYIX_NONE : rs->
rs_keyix);
939 bzero(&rxs,
sizeof(rxs));
940 rxs.r_flags |= IEEE80211_R_NF | IEEE80211_R_RSSI |
941 IEEE80211_R_C_CHAIN |
945 IEEE80211_R_TSF_START;
949 rxs.c_rx_tsf = rstamp;
951 for (i = 0; i < 3; i++) {
958 rxs.c_nf_ctl[i] = nf;
959 rxs.c_nf_ext[i] = nf;
968 if (ni->ni_flags & IEEE80211_NODE_HT)
969 m->m_flags |= M_AMPDU;
989 (void) ieee80211_add_rx_params(m, &rxs);
990 type = ieee80211_input_mimo(ni, m);
991 ieee80211_free_node(ni);
999 if (ic->ic_opmode == IEEE80211_M_STA &&
1003 (void) ieee80211_add_rx_params(m, &rxs);
1004 type = ieee80211_input_mimo_all(ic, m);
1042 if (type == IEEE80211_FC0_TYPE_DATA) {
1055 device_printf(sc->
sc_dev,
1056 "%s: mbuf %p should've been freed!\n",
1063#define ATH_RX_MAX 128
1076#define PA2DESC(_sc, _pa) \
1077 ((struct ath_desc *)((caddr_t)(_sc)->sc_rxdma.dd_desc + \
1078 ((_pa) - (_sc)->sc_rxdma.dd_desc_paddr)))
1081#ifdef IEEE80211_SUPPORT_SUPERG
1082 struct ieee80211com *ic = &sc->
sc_ic;
1110 DPRINTF(sc, ATH_DEBUG_RX_PROC,
"%s: called\n", __func__);
1127 device_printf(sc->
sc_dev,
"%s: no buffer!\n", __func__);
1129 }
else if (bf == NULL) {
1144 device_printf(sc->
sc_dev,
"%s: no mbuf!\n", __func__);
1145 TAILQ_REMOVE(&sc->
sc_rxbuf, bf, bf_list);
1170 if (sc->
sc_debug & ATH_DEBUG_RECV_DESC)
1171 ath_printrxbuf(sc, bf, 0, status ==
HAL_OK);
1183 TAILQ_REMOVE(&sc->
sc_rxbuf, bf, bf_list);
1221 ATH_KTR(sc, ATH_KTR_RXPROC, 2,
"ath_rx_proc: npkts=%d, ngood=%d", npkts, ngood);
1231 if (resched && kickpcu) {
1233 ATH_KTR(sc, ATH_KTR_ERROR, 0,
"ath_rx_proc: kickpcu");
1234 device_printf(sc->
sc_dev,
"%s: kickpcu; handled %d packets\n",
1279#ifdef IEEE80211_SUPPORT_SUPERG
1281 ieee80211_ff_age_all(ic, 100);
1316 struct epoch_tracker et;
1318 ATH_KTR(sc, ATH_KTR_RXPROC, 1,
"ath_rx_proc: pending=%d", npending);
1319 DPRINTF(sc, ATH_DEBUG_RX_PROC,
"%s: pending %u\n", __func__, npending);
1322 device_printf(sc->
sc_dev,
1323 "%s: sc_inreset_cnt > 0; skipping\n", __func__);
1329 NET_EPOCH_ENTER(et);
1337 struct epoch_tracker et;
1338 NET_EPOCH_ENTER(et);
1374 if (bf->
bf_m != NULL)
1377 TAILQ_INSERT_TAIL(&sc->
sc_rxbuf, bf, bf_list);
1384 if (bf->
bf_m != NULL)
1387 TAILQ_INSERT_TAIL(&sc->
sc_rxbuf, bf, bf_list);
1401#define PA2DESC(_sc, _pa) \
1402 ((struct ath_desc *)((caddr_t)(_sc)->sc_rxdma.dd_desc + \
1403 ((_pa) - (_sc)->sc_rxdma.dd_desc_paddr)))
1420 if (sc->
sc_debug & (ATH_DEBUG_RESET | ATH_DEBUG_FATAL)) {
1424 device_printf(sc->
sc_dev,
1425 "%s: rx queue %p, link %p\n",
1430 TAILQ_FOREACH(bf, &sc->
sc_rxbuf, bf_list) {
1436 ath_printrxbuf(sc, bf, ix, status ==
HAL_OK);
1478 TAILQ_FOREACH(bf, &sc->
sc_rxbuf, bf_list) {
1482 "%s: ath_rxbuf_init failed %d\n",
#define HAL_RX_HI_RX_CHAIN
#define HAL_RXERR_KEYMISS
#define HAL_RX_DELIM_CRC_PRE
#define HAL_RXERR_DECRYPT
#define HAL_RX_DECRYPT_BUSY
#define HAL_RX_DELIM_CRC_POST
#define HAL_RX_LNA_EXTCFG
#define HAL_RXKEYIX_INVALID
#define HAL_RX_LNA_CFG_USED
#define HAL_RX_LNA_CFG_USED_S
@ HAL_PHYERR_FALSE_RADAR_EXT
#define IEEE80211_CRC_LEN
void ath_rate_update_rx_rssi(struct ath_softc *sc, struct ath_node *an, int rssi)
int ath_dfs_tasklet_needed(struct ath_softc *sc, struct ieee80211_channel *chan)
void ath_dfs_process_phy_err(struct ath_softc *sc, struct mbuf *m, uint64_t tsf, struct ath_rx_status *rxstat)
void ath_mode_init(struct ath_softc *sc)
void ath_setdefantenna(struct ath_softc *sc, u_int antenna)
static int if_ath_alq_checkdebug(struct if_ath_alq *alq, uint16_t op)
void if_ath_alq_post(struct if_ath_alq *alq, uint16_t op, uint16_t len, const char *buf)
#define ATH_ALQ_EDMA_RXSTATUS
void ath_beacon_config(struct ath_softc *sc, struct ieee80211vap *vap)
#define ATH_KTR(_sc, _km, _kf,...)
#define IFF_DUMPPKTS(sc, m)
#define DPRINTF(sc, m, fmt,...)
void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd, ath_bufhead *head)
int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, ath_bufhead *head, const char *name, int ds_size, int nbuf, int ndesc)
void ath_led_event(struct ath_softc *sc, int rix)
void ath_lna_rx_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs, unsigned long ticks, int hz)
#define ath_power_restore_power_state(sc)
#define ath_power_set_power_state(sc, ps)
#define PA2DESC(_sc, _pa)
static void ath_rx_tap(struct ath_softc *sc, struct mbuf *m, const struct ath_rx_status *rs, u_int64_t tsf, int16_t nf)
static int ath_legacy_dma_rxsetup(struct ath_softc *sc)
static void ath_legacy_recv_sched(struct ath_softc *sc, int dosched)
static void ath_handle_micerror(struct ieee80211com *ic, struct ieee80211_frame *wh, int keyix)
static void ath_legacy_flushrecv(struct ath_softc *sc)
static int ath_legacy_rxbuf_init(struct ath_softc *sc, struct ath_buf *bf)
int ath_rx_pkt(struct ath_softc *sc, struct ath_rx_status *rs, HAL_STATUS status, uint64_t tsf, int nf, HAL_RX_QUEUE qtype, struct ath_buf *bf, struct mbuf *m)
u_int32_t ath_calcrxfilter(struct ath_softc *sc)
void ath_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m, int subtype, const struct ieee80211_rx_stats *rxs, int rssi, int nf)
static void ath_legacy_recv_sched_queue(struct ath_softc *sc, HAL_RX_QUEUE q, int dosched)
static void ath_legacy_flush_rxpending(struct ath_softc *sc)
static void ath_legacy_rx_tasklet(void *arg, int npending)
static int ath_legacy_dma_rxteardown(struct ath_softc *sc)
void ath_recv_setup_legacy(struct ath_softc *sc)
static int ath_legacy_startrecv(struct ath_softc *sc)
static void ath_rx_proc(struct ath_softc *sc, int resched)
static void ath_legacy_stoprecv(struct ath_softc *sc, int dodelay)
static int ath_legacy_flush_rxholdbf(struct ath_softc *sc)
#define ath_rxbuf_init(_sc, _bf)
#define ath_startrecv(_sc)
static __inline u_int64_t ath_extend_tsf(struct ath_softc *sc, u_int32_t rstamp, u_int64_t tsf)
#define ATH_IOCTL_STATS_NUM_RX_ANTENNA
#define ATH_IOCTL_STATS_NUM_RX_PHYERR
#define ath_hal_rxmonitor(_ah, _arg, _chan)
#define ath_hal_startpcurecv(_ah, _is_scanning)
#define ATH_PCU_UNLOCK_ASSERT(_sc)
#define ath_hal_getchannoise(_ah, _c)
#define ath_hal_setuprxdesc(_ah, _ds, _size, _intreq)
#define ath_hal_rxena(_ah)
#define ATH_UNLOCK_ASSERT(_sc)
#define ATH_PCU_UNLOCK(_sc)
#define ath_hal_stopdmarecv(_ah)
#define ath_hal_intrset(_ah, _mask)
#define ath_hal_stoppcurecv(_ah)
#define ATH_RSSI_LPF(x, y)
#define ath_hal_gettsf64(_ah)
#define ath_hal_getrxbuf(_ah, _rxq)
#define ath_hal_getcapability(_ah, _cap, _param, _result)
#define ath_hal_setrxfilter(_ah, _filter)
#define ATH_PCU_LOCK(_sc)
#define ath_hal_putrxbuf(_ah, _bufaddr, _rxq)
#define ath_hal_getnexttbtt(_ah)
#define ath_hal_rxprocdesc(_ah, _ds, _dspa, _dsnext, _rs)
#define ATH_RX_UNLOCK(_sc)
uint8_t rateCodeToIndex[256]
struct ath_desc_status bf_status
struct ath_desc * bf_desc
bus_dma_segment_t bf_segs[ATH_MAX_SCATTER]
struct ath_buf * m_holdbf
struct mbuf * m_rxpending
void(* recv_sched_queue)(struct ath_softc *sc, HAL_RX_QUEUE q, int dosched)
int(* recv_teardown)(struct ath_softc *sc)
int(* recv_start)(struct ath_softc *sc)
int(* recv_rxbuf_init)(struct ath_softc *sc, struct ath_buf *bf)
void(* recv_tasklet)(void *arg, int npending)
void(* recv_sched)(struct ath_softc *sc, int dosched)
void(* recv_flush)(struct ath_softc *sc)
void(* recv_stop)(struct ath_softc *sc, int dodelay)
int(* recv_setup)(struct ath_softc *sc)
const HAL_RATE_TABLE * sc_currates
enum ieee80211_phymode sc_curmode
HAL_NODE_STATS sc_halstats
struct ath_rx_status * sc_lastrs
struct ath_descdma sc_rxdma
struct ath_stats sc_stats
struct ath_rx_edma sc_rxedma[HAL_NUM_RX_QUEUES]
struct ath_softc::@34 sc_hwmap[32]
struct ath_rx_methods sc_rx
struct ieee80211_channel * sc_curchan
struct ieee80211com sc_ic
struct ath_rx_radiotap_header sc_rx_th
u_int32_t ast_ant_rx[ATH_IOCTL_STATS_NUM_RX_ANTENNA]
u_int32_t ast_rx_tooshort
u_int32_t ast_rx_hi_rx_chain
u_int32_t ast_rx_decrypt_busy_err
u_int32_t ast_rx_hitqueueend
u_int32_t ast_rx_badcrypt
u_int32_t ast_rx_pre_crc_err
u_int32_t ast_rx_phy[ATH_IOCTL_STATS_NUM_RX_PHYERR]
u_int32_t ast_rx_post_crc_err