diff options
Diffstat (limited to 'sys/dev')
-rw-r--r-- | sys/dev/pci/if_wpi.c | 41 | ||||
-rw-r--r-- | sys/dev/pci/if_wpireg.h | 11 |
2 files changed, 40 insertions, 12 deletions
diff --git a/sys/dev/pci/if_wpi.c b/sys/dev/pci/if_wpi.c index cb01b69d85d..9caef96d23b 100644 --- a/sys/dev/pci/if_wpi.c +++ b/sys/dev/pci/if_wpi.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_wpi.c,v 1.14 2006/05/29 20:26:54 miod Exp $ */ +/* $OpenBSD: if_wpi.c,v 1.15 2006/06/05 16:42:21 damien Exp $ */ /*- * Copyright (c) 2006 @@ -148,7 +148,6 @@ void wpi_stop(struct ifnet *, int); /* rate control algorithm: should be moved to net80211 */ void wpi_amrr_init(struct wpi_amrr *); -void wpi_amrr_init(struct wpi_amrr *); void wpi_amrr_timeout(void *); void wpi_amrr_ratectl(void *, struct ieee80211_node *); @@ -820,7 +819,7 @@ wpi_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) sc->config.flags |= htole32(WPI_CONFIG_SHSLOT); if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) sc->config.flags |= htole32(WPI_CONFIG_SHPREAMBLE); - sc->config.filter |= htole32(WPI_FILTER_BSSID); + sc->config.filter |= htole32(WPI_FILTER_BSS); DPRINTF(("config chan %d flags %x\n", sc->config.chan, sc->config.flags)); @@ -833,7 +832,8 @@ wpi_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) } /* start automatic rate control timer */ - timeout_add(&sc->amrr_ch, hz / 2); + if (ic->ic_fixed_rate != -1) + timeout_add(&sc->amrr_ch, hz / 2); /* link LED always on while associated */ wpi_set_led(sc, WPI_LED_LINK, 0, 1); @@ -1095,6 +1095,16 @@ wpi_rx_intr(struct wpi_softc *sc, struct wpi_rx_desc *desc, letoh16(head->len), (int8_t)stat->rssi, head->rate, head->chan, letoh64(tail->tstamp))); + /* + * Discard Rx frames with bad CRC early (XXX we may want to pass them + * to radiotap in monitor mode). + */ + if ((letoh32(tail->flags) & WPI_RX_NOERROR) != WPI_RX_NOERROR) { + DPRINTF(("rx tail flags error %x\n", letoh32(tail->flags))); + ifp->if_ierrors++; + return; + } + MGETHDR(mnew, M_DONTWAIT, MT_DATA); if (mnew == NULL) { ifp->if_ierrors++; @@ -1209,7 +1219,11 @@ wpi_tx_intr(struct wpi_softc *sc, struct wpi_rx_desc *desc, stat->nkill, stat->rate, letoh32(stat->duration), letoh32(stat->status))); - /* update rate control statistics for the node */ + /* + * Update rate control statistics for the node. + * XXX we should not count mgmt frames since they're always sent at + * the lowest available bit-rate. + */ amrr->txcnt++; if (stat->ntries > 0) { DPRINTFN(3, ("tx intr ntries %d\n", stat->ntries)); @@ -1490,7 +1504,7 @@ wpi_tx_data(struct wpi_softc *sc, struct mbuf *m0, struct ieee80211_node *ni, /* retrieve destination node's id */ tx->id = IEEE80211_IS_MULTICAST(wh->i_addr1) ? WPI_ID_BROADCAST : - WPI_ID_BSSID; + WPI_ID_BSS; if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_MGT) { @@ -1516,7 +1530,7 @@ wpi_tx_data(struct wpi_softc *sc, struct mbuf *m0, struct ieee80211_node *ni, tx->data_ntries = 15; tx->ofdm_mask = 0xff; - tx->cck_mask = 0xf;; + tx->cck_mask = 0xf; tx->lifetime = htole32(0xffffffff); tx->len = htole16(m0->m_pkthdr.len); @@ -1872,13 +1886,21 @@ void wpi_enable_tsf(struct wpi_softc *sc, struct ieee80211_node *ni) { struct wpi_cmd_tsf tsf; + uint64_t val, mod; bzero(&tsf, sizeof tsf); bcopy(ni->ni_tstamp, &tsf.tstamp, sizeof (uint64_t)); tsf.bintval = htole16(ni->ni_intval); - tsf.binitval = htole32(102400); /* XXX */ tsf.lintval = htole16(10); + /* compute remaining time until next beacon */ + val = (uint64_t)tsf.bintval * 1024; /* msecs -> usecs */ + mod = letoh64(tsf.tstamp) % val; + tsf.binitval = htole32((uint32_t)(val - mod)); + + DPRINTF(("TSF bintval=%u tstamp=%llu, init=%u\n", + ni->ni_intval, letoh64(tsf.tstamp), (uint32_t)(val - mod))); + if (wpi_cmd(sc, WPI_CMD_TSF, &tsf, sizeof tsf, 1) != 0) printf("%s: could not enable TSF\n", sc->sc_dev.dv_xname); } @@ -1993,7 +2015,7 @@ wpi_auth(struct wpi_softc *sc) /* add default node */ bzero(&node, sizeof node); IEEE80211_ADDR_COPY(node.bssid, ni->ni_bssid); - node.id = WPI_ID_BSSID; + node.id = WPI_ID_BSS; node.rate = wpi_plcp_signal(2); error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); if (error != 0) { @@ -2583,6 +2605,7 @@ wpi_stop(struct ifnet *ifp, int disable) #define WPI_AMRR_MIN_SUCCESS_THRESHOLD 1 #define WPI_AMRR_MAX_SUCCESS_THRESHOLD 15 +/* XXX should reset all nodes on S_INIT */ void wpi_amrr_init(struct wpi_amrr *amrr) { diff --git a/sys/dev/pci/if_wpireg.h b/sys/dev/pci/if_wpireg.h index b8f64a588c9..e2126f2982d 100644 --- a/sys/dev/pci/if_wpireg.h +++ b/sys/dev/pci/if_wpireg.h @@ -1,4 +1,4 @@ -/* $OpenBSD: if_wpireg.h,v 1.6 2006/05/25 09:26:58 damien Exp $ */ +/* $OpenBSD: if_wpireg.h,v 1.7 2006/06/05 16:42:21 damien Exp $ */ /*- * Copyright (c) 2006 @@ -226,6 +226,11 @@ struct wpi_rx_head { struct wpi_rx_tail { uint32_t flags; +#define WPI_RX_NO_CRC_ERR (1 << 0) +#define WPI_RX_NO_OVFL_ERR (1 << 1) +/* shortcut for the above */ +#define WPI_RX_NOERROR (WPI_RX_NO_CRC_ERR | WPI_RX_NO_OVFL_ERR) + uint64_t tstamp; uint32_t tbeacon; } __packed; @@ -286,7 +291,7 @@ struct wpi_config { #define WPI_FILTER_CTL (1 << 1) #define WPI_FILTER_MULTICAST (1 << 2) #define WPI_FILTER_NODECRYPT (1 << 3) -#define WPI_FILTER_BSSID (1 << 5) +#define WPI_FILTER_BSS (1 << 5) uint8_t chan; uint8_t reserved6[3]; @@ -320,7 +325,7 @@ struct wpi_node { uint8_t bssid[IEEE80211_ADDR_LEN]; uint16_t reserved2; uint8_t id; -#define WPI_ID_BSSID 0 +#define WPI_ID_BSS 0 #define WPI_ID_BROADCAST 24 uint8_t sta_mask; |