-/* $OpenBSD: if_athn_usb.c,v 1.48 2017/10/26 15:00:28 mpi Exp $ */
+/* $OpenBSD: if_athn_usb.c,v 1.49 2018/02/05 08:48:57 stsp Exp $ */
/*-
* Copyright (c) 2011 Damien Bergamini <damien.bergamini@free.fr>
void athn_usb_newassoc(struct ieee80211com *,
struct ieee80211_node *, int);
void athn_usb_newassoc_cb(struct athn_usb_softc *, void *);
-void athn_usb_node_leave(struct ieee80211com *,
+struct ieee80211_node *athn_usb_node_alloc(struct ieee80211com *);
+void athn_usb_count_active_sta(void *, struct ieee80211_node *);
+void athn_usb_newauth_cb(struct athn_usb_softc *, void *);
+int athn_usb_newauth(struct ieee80211com *,
+ struct ieee80211_node *, int, uint16_t);
+void athn_usb_node_free(struct ieee80211com *,
struct ieee80211_node *);
-void athn_usb_node_leave_cb(struct athn_usb_softc *, void *);
+void athn_usb_node_free_cb(struct athn_usb_softc *, void *);
int athn_usb_ampdu_tx_start(struct ieee80211com *,
struct ieee80211_node *, uint8_t);
void athn_usb_ampdu_tx_start_cb(struct athn_usb_softc *, void *);
void athn_usb_ampdu_tx_stop(struct ieee80211com *,
struct ieee80211_node *, uint8_t);
void athn_usb_ampdu_tx_stop_cb(struct athn_usb_softc *, void *);
+void athn_usb_clean_nodes(void *, struct ieee80211_node *);
int athn_usb_create_node(struct athn_usb_softc *,
struct ieee80211_node *);
+int athn_usb_node_set_rates(struct athn_usb_softc *,
+ struct ieee80211_node *);
+int athn_usb_remove_node(struct athn_usb_softc *,
+ struct ieee80211_node *);
void athn_usb_rx_enable(struct athn_softc *);
int athn_set_chan(struct athn_softc *, struct ieee80211_channel *,
struct ieee80211_channel *);
void athn_usb_bcneof(struct usbd_xfer *, void *,
usbd_status);
void athn_usb_swba(struct athn_usb_softc *);
+void athn_usb_tx_status(void *, struct ieee80211_node *);
void athn_usb_rx_wmi_ctrl(struct athn_usb_softc *, uint8_t *, int);
void athn_usb_intr(struct usbd_xfer *, void *,
usbd_status);
ifp->if_ioctl = athn_usb_ioctl;
ifp->if_start = athn_usb_start;
ifp->if_watchdog = athn_usb_watchdog;
+ ic->ic_node_alloc = athn_usb_node_alloc;
+ ic->ic_newauth = athn_usb_newauth;
ic->ic_newassoc = athn_usb_newassoc;
- ic->ic_node_leave = athn_usb_node_leave;
+#ifndef IEEE80211_STA_ONLY
+ usc->sc_node_free = ic->ic_node_free;
+ ic->ic_node_free = athn_usb_node_free;
+#endif
ic->ic_updateslot = athn_usb_updateslot;
ic->ic_updateedca = athn_usb_updateedca;
#ifdef notyet
/* Determine which firmware image to load. */
if (usc->flags & ATHN_USB_FLAG_AR7010) {
dd = usbd_get_device_descriptor(usc->sc_udev);
- if (UGETW(dd->bcdDevice) == 0x0202)
- name = "athn-ar7010-11";
- else
- name = "athn-ar7010";
+ name = "athn-open-ar7010";
} else
- name = "athn-ar9271";
+ name = "athn-open-ar9271";
/* Read firmware image from the filesystem. */
if ((error = loadfirmware(name, &fw, &fwsize)) != 0) {
printf("%s: failed loadfirmware of file %s (error %d)\n",
struct ieee80211com *ic = &sc->sc_ic;
enum ieee80211_state ostate;
uint32_t reg, imask;
- uint8_t sta_index;
int s, error;
timeout_del(&sc->calib_to);
s = splnet();
ostate = ic->ic_state;
- DPRINTF(("newstate %d -> %d\n", ostate, cmd->state));
- if (ostate == IEEE80211_S_RUN) {
- sta_index = ((struct athn_node *)ic->ic_bss)->sta_index;
- (void)athn_usb_wmi_xcmd(usc, AR_WMI_CMD_NODE_REMOVE,
- &sta_index, sizeof(sta_index), NULL);
- usc->nnodes--;
+ if (ostate == IEEE80211_S_RUN && ic->ic_opmode == IEEE80211_M_STA) {
+ athn_usb_remove_node(usc, ic->ic_bss);
reg = AR_READ(sc, AR_RX_FILTER);
reg = (reg & ~AR_RX_FILTER_MYBEACON) |
AR_RX_FILTER_BEACON;
case IEEE80211_S_SCAN:
/* Make the LED blink while scanning. */
athn_set_led(sc, !sc->led_state);
- (void)athn_usb_switch_chan(sc, ic->ic_bss->ni_chan, NULL);
+ error = athn_usb_switch_chan(sc, ic->ic_bss->ni_chan, NULL);
+ if (error)
+ printf("%s: could not switch to channel %d\n",
+ usc->usb_dev.dv_xname,
+ ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan));
if (!usbd_is_dying(usc->sc_udev))
timeout_add_msec(&sc->scan_to, 200);
break;
case IEEE80211_S_AUTH:
athn_set_led(sc, 0);
error = athn_usb_switch_chan(sc, ic->ic_bss->ni_chan, NULL);
+ if (error)
+ printf("%s: could not switch to channel %d\n",
+ usc->usb_dev.dv_xname,
+ ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan));
break;
case IEEE80211_S_ASSOC:
break;
if (ic->ic_opmode == IEEE80211_M_MONITOR)
break;
- /* Create node entry for our BSS */
- error = athn_usb_create_node(usc, ic->ic_bss);
-
+ if (ic->ic_opmode == IEEE80211_M_STA) {
+ /* Create node entry for our BSS */
+ error = athn_usb_create_node(usc, ic->ic_bss);
+ if (error)
+ printf("%s: could not update firmware station "
+ "table\n", usc->usb_dev.dv_xname);
+ }
athn_set_bss(sc, ic->ic_bss);
athn_usb_wmi_cmd(usc, AR_WMI_CMD_DISABLE_INTR);
#ifndef IEEE80211_STA_ONLY
if (ic->ic_opmode == IEEE80211_M_HOSTAP) {
+ athn_usb_switch_chan(sc, ic->ic_bss->ni_chan, NULL);
athn_set_hostap_timers(sc);
/* Enable software beacon alert interrupts. */
imask = htobe32(AR_IMR_SWBA);
#ifndef IEEE80211_STA_ONLY
struct athn_usb_softc *usc = ic->ic_softc;
- if (ic->ic_opmode != IEEE80211_M_HOSTAP || !isnew)
+ if (ic->ic_opmode != IEEE80211_M_HOSTAP &&
+ ic->ic_state != IEEE80211_S_RUN)
return;
- /* Do it in a process context. */
+
+ /* Update the node's supported rates in a process context. */
ieee80211_ref_node(ni);
athn_usb_do_async(usc, athn_usb_newassoc_cb, &ni, sizeof(ni));
+#endif
}
+#ifndef IEEE80211_STA_ONLY
void
athn_usb_newassoc_cb(struct athn_usb_softc *usc, void *arg)
{
- struct ieee80211com *ic = &usc->sc_sc.sc_ic;
+ struct ieee80211com *ic = &usc->sc_sc.sc_ic;
struct ieee80211_node *ni = *(void **)arg;
+ struct athn_node *an = (struct athn_node *)ni;
int s;
- s = splnet();
+ if (ic->ic_state != IEEE80211_S_RUN)
+ return;
+
+ s = splnet();
/* NB: Node may have left before we got scheduled. */
- if (ni->ni_associd != 0 && ni->ni_state == IEEE80211_STA_ASSOC)
- (void)athn_usb_create_node(usc, ni);
+ if (an->sta_index != 0)
+ (void)athn_usb_node_set_rates(usc, ni);
ieee80211_release_node(ic, ni);
splx(s);
+}
+#endif
+
+struct ieee80211_node *
+athn_usb_node_alloc(struct ieee80211com *ic)
+{
+ struct athn_node *an;
+
+ an = malloc(sizeof(struct athn_node), M_DEVBUF, M_NOWAIT | M_ZERO);
+ return (struct ieee80211_node *)an;
+}
+
+
+#ifndef IEEE80211_STA_ONLY
+void
+athn_usb_count_active_sta(void *arg, struct ieee80211_node *ni)
+{
+ int *nsta = arg;
+ struct athn_node *an = (struct athn_node *)ni;
+
+ if (an->sta_index == 0)
+ return;
+
+ if ((ni->ni_state == IEEE80211_STA_AUTH ||
+ ni->ni_state == IEEE80211_STA_ASSOC) &&
+ ni->ni_inact < IEEE80211_INACT_MAX)
+ (*nsta)++;
+}
+
+struct athn_usb_newauth_cb_arg {
+ struct ieee80211_node *ni;
+ uint16_t seq;
+};
+
+void
+athn_usb_newauth_cb(struct athn_usb_softc *usc, void *arg)
+{
+ struct ieee80211com *ic = &usc->sc_sc.sc_ic;
+ struct athn_usb_newauth_cb_arg *a = arg;
+ struct ieee80211_node *ni = a->ni;
+ uint16_t seq = a->seq;
+ struct athn_node *an = (struct athn_node *)ni;
+ int s, error = 0;
+
+ free(arg, M_DEVBUF, sizeof(*arg));
+
+ if (ic->ic_state != IEEE80211_S_RUN)
+ return;
+
+ s = splnet();
+ if (an->sta_index == 0) {
+ error = athn_usb_create_node(usc, ni);
+ if (error)
+ printf("%s: could not add station %s to firmware "
+ "table\n", usc->usb_dev.dv_xname,
+ ether_sprintf(ni->ni_macaddr));
+ }
+ if (error == 0)
+ ieee80211_auth_open_confirm(ic, ni, seq);
+ ieee80211_unref_node(&ni);
+ splx(s);
+}
#endif
+
+int
+athn_usb_newauth(struct ieee80211com *ic, struct ieee80211_node *ni,
+ int isnew, uint16_t seq)
+{
+#ifndef IEEE80211_STA_ONLY
+ struct athn_usb_softc *usc = ic->ic_softc;
+ struct ifnet *ifp = &ic->ic_if;
+ struct athn_node *an = (struct athn_node *)ni;
+ int nsta;
+ struct athn_usb_newauth_cb_arg *arg;
+
+ if (ic->ic_opmode != IEEE80211_M_HOSTAP)
+ return 0;
+
+ if (!isnew && an->sta_index != 0) /* already in firmware table */
+ return 0;
+
+ /* Check if we have room in the firmware table. */
+ nsta = 1; /* Account for default node. */
+ ieee80211_iterate_nodes(ic, athn_usb_count_active_sta, &nsta);
+ if (nsta >= AR_USB_MAX_STA) {
+ if (ifp->if_flags & IFF_DEBUG)
+ printf("%s: cannot authenticate station %s: firmware "
+ "table is full\n", usc->usb_dev.dv_xname,
+ ether_sprintf(ni->ni_macaddr));
+ return ENOSPC;
+ }
+
+ /*
+ * In a process context, try to add this node to the
+ * firmware table and confirm the AUTH request.
+ */
+ arg = malloc(sizeof(*arg), M_DEVBUF, M_NOWAIT);
+ if (arg == NULL)
+ return ENOMEM;
+ arg->ni = ieee80211_ref_node(ni);
+ arg->seq = seq;
+ athn_usb_do_async(usc, athn_usb_newauth_cb, arg, sizeof(*arg));
+ return EBUSY;
+#else
+ return 0;
+#endif /* IEEE80211_STA_ONLY */
}
+#ifndef IEEE80211_STA_ONLY
void
-athn_usb_node_leave(struct ieee80211com *ic, struct ieee80211_node *ni)
+athn_usb_node_free(struct ieee80211com *ic, struct ieee80211_node *ni)
{
struct athn_usb_softc *usc = ic->ic_softc;
- uint8_t sta_index;
+ struct athn_node *an = (struct athn_node *)ni;
- /* Do it in a process context. */
- sta_index = ((struct athn_node *)ni)->sta_index;
- athn_usb_do_async(usc, athn_usb_node_leave_cb,
- &sta_index, sizeof(sta_index));
+ /*
+ * Remove the node from the firmware table in a process context.
+ * Pass an index rather than the pointer which we will free.
+ */
+ if (an->sta_index != 0)
+ athn_usb_do_async(usc, athn_usb_node_free_cb,
+ &an->sta_index, sizeof(an->sta_index));
+ usc->sc_node_free(ic, ni);
}
void
-athn_usb_node_leave_cb(struct athn_usb_softc *usc, void *arg)
+athn_usb_node_free_cb(struct athn_usb_softc *usc, void *arg)
{
+ struct ieee80211com *ic = &usc->sc_sc.sc_ic;
+ struct ifnet *ifp = &ic->ic_if;
uint8_t sta_index = *(uint8_t *)arg;
+ int error;
- (void)athn_usb_wmi_xcmd(usc, AR_WMI_CMD_NODE_REMOVE,
+ error = athn_usb_wmi_xcmd(usc, AR_WMI_CMD_NODE_REMOVE,
&sta_index, sizeof(sta_index), NULL);
- usc->nnodes--;
+ if (error) {
+ printf("%s: could not remove station %u from firmware table\n",
+ usc->usb_dev.dv_xname, sta_index);
+ return;
+ }
+ usc->free_node_slots |= (1 << sta_index);
+ if (ifp->if_flags & IFF_DEBUG)
+ printf("%s: station %u removed from firmware table\n",
+ usc->usb_dev.dv_xname, sta_index);
}
+#endif /* IEEE80211_STA_ONLY */
int
athn_usb_ampdu_tx_start(struct ieee80211com *ic, struct ieee80211_node *ni,
&aggr, sizeof(aggr), NULL);
}
+#ifndef IEEE80211_STA_ONLY
+/* Try to find a node we can evict to make room in the firmware table. */
+void
+athn_usb_clean_nodes(void *arg, struct ieee80211_node *ni)
+{
+ struct athn_usb_softc *usc = arg;
+ struct ieee80211com *ic = &usc->sc_sc.sc_ic;
+ struct athn_node *an = (struct athn_node *)ni;
+
+ /*
+ * Don't remove the default node (used for management frames).
+ * Nodes which are not in the firmware table also have index zero.
+ */
+ if (an->sta_index == 0)
+ return;
+
+ /* Remove non-associated nodes. */
+ if (ni->ni_state != IEEE80211_STA_AUTH &&
+ ni->ni_state != IEEE80211_STA_ASSOC) {
+ athn_usb_remove_node(usc, ni);
+ return;
+ }
+
+ /*
+ * Kick off inactive associated nodes. This won't help
+ * immediately but will help if the new STA retries later.
+ */
+ if (ni->ni_inact >= IEEE80211_INACT_MAX) {
+ IEEE80211_SEND_MGMT(ic, ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
+ IEEE80211_REASON_AUTH_EXPIRE);
+ ieee80211_node_leave(ic, ni);
+ }
+}
+#endif
+
int
athn_usb_create_node(struct athn_usb_softc *usc, struct ieee80211_node *ni)
{
struct athn_node *an = (struct athn_node *)ni;
struct ar_htc_target_sta sta;
- struct ar_htc_target_rate rate;
- int error, i, j;
+ int error, sta_index;
+#ifndef IEEE80211_STA_ONLY
+ struct ieee80211com *ic = &usc->sc_sc.sc_ic;
+ struct ifnet *ifp = &ic->ic_if;
- /* Firmware cannot handle more than 8 STAs. */
- if (usc->nnodes > AR_USB_MAX_STA)
+ /* Firmware cannot handle more than 8 STAs. Try to make room first. */
+ if (ic->ic_opmode == IEEE80211_M_HOSTAP)
+ ieee80211_iterate_nodes(ic, athn_usb_clean_nodes, usc);
+#endif
+ if (usc->free_node_slots == 0x00)
return ENOBUFS;
- an->sta_index = IEEE80211_AID(ni->ni_associd);
+ sta_index = ffs(usc->free_node_slots) - 1;
+ if (sta_index < 0 || sta_index >= AR_USB_MAX_STA)
+ return ENOSPC;
/* Create node entry on target. */
memset(&sta, 0, sizeof(sta));
IEEE80211_ADDR_COPY(sta.macaddr, ni->ni_macaddr);
IEEE80211_ADDR_COPY(sta.bssid, ni->ni_bssid);
- sta.associd = htobe16(ni->ni_associd);
- sta.valid = 1;
- sta.sta_index = an->sta_index;
+ sta.sta_index = sta_index;
sta.maxampdu = 0xffff;
if (ni->ni_flags & IEEE80211_NODE_HT)
sta.flags |= htobe16(AR_HTC_STA_HT);
&sta, sizeof(sta), NULL);
if (error != 0)
return (error);
- usc->nnodes++;
+ an->sta_index = sta_index;
+ usc->free_node_slots &= ~(1 << an->sta_index);
+
+#ifndef IEEE80211_STA_ONLY
+ if (ifp->if_flags & IFF_DEBUG)
+ printf("%s: station %u (%s) added to firmware table\n",
+ usc->usb_dev.dv_xname, sta_index,
+ ether_sprintf(ni->ni_macaddr));
+#endif
+ return athn_usb_node_set_rates(usc, ni);
+}
+
+int
+athn_usb_node_set_rates(struct athn_usb_softc *usc, struct ieee80211_node *ni)
+{
+ struct athn_node *an = (struct athn_node *)ni;
+ struct ar_htc_target_rate rate;
+ int i, j;
/* Setup supported rates. */
memset(&rate, 0, sizeof(rate));
- rate.sta_index = sta.sta_index;
+ rate.sta_index = an->sta_index;
rate.isnew = 1;
rate.lg_rates.rs_nrates = ni->ni_rates.rs_nrates;
memcpy(rate.lg_rates.rs_rates, ni->ni_rates.rs_rates,
rate.capflags |= htobe32(AR_RC_SGI_FLAG);
#endif
}
- error = athn_usb_wmi_xcmd(usc, AR_WMI_CMD_RC_RATE_UPDATE,
+
+ return athn_usb_wmi_xcmd(usc, AR_WMI_CMD_RC_RATE_UPDATE,
&rate, sizeof(rate), NULL);
- return (error);
+}
+
+int
+athn_usb_remove_node(struct athn_usb_softc *usc, struct ieee80211_node *ni)
+{
+ struct athn_node *an = (struct athn_node *)ni;
+ int error;
+#ifndef IEEE80211_STA_ONLY
+ struct ieee80211com *ic = &usc->sc_sc.sc_ic;
+ struct ifnet *ifp = &ic->ic_if;
+#endif
+
+ error = athn_usb_wmi_xcmd(usc, AR_WMI_CMD_NODE_REMOVE,
+ &an->sta_index, sizeof(an->sta_index), NULL);
+ if (error) {
+ printf("%s: could not remove station %u (%s) from "
+ "firmware table\n", usc->usb_dev.dv_xname, an->sta_index,
+ ether_sprintf(ni->ni_macaddr));
+ return error;
+ }
+
+#ifndef IEEE80211_STA_ONLY
+ if (ifp->if_flags & IFF_DEBUG)
+ printf("%s: station %u (%s) removed from firmware table\n",
+ usc->usb_dev.dv_xname, an->sta_index,
+ ether_sprintf(ni->ni_macaddr));
+#endif
+
+ usc->free_node_slots |= (1 << an->sta_index);
+ an->sta_index = 0;
+ return 0;
}
void
error = athn_hw_reset(sc, c, extc, 0);
if (error != 0) /* Hopeless case. */
return (error);
+
+ error = athn_set_chan(sc, c, extc);
+ if (AR_SREV_9271(sc) && error == 0)
+ ar9271_load_ani(sc);
+ if (error != 0)
+ return (error);
}
+ sc->ops.set_txpower(sc, c, extc);
+
error = athn_usb_wmi_cmd(usc, AR_WMI_CMD_START_RECV);
if (error != 0)
return (error);
}
#endif
+/* Update current transmit rate for a node based on firmware Tx status. */
+void
+athn_usb_tx_status(void *arg, struct ieee80211_node *ni)
+{
+ struct ar_wmi_evt_txstatus *ts = arg;
+ struct athn_node *an = (struct athn_node *)ni;
+ uint8_t rate_index = (ts->rate & AR_HTC_TXSTAT_RATE);
+
+ if (an->sta_index != ts->cookie) /* Tx report for a different node */
+ return;
+
+ if (ts->flags & AR_HTC_TXSTAT_MCS) {
+ if (isset(ni->ni_rxmcs, rate_index))
+ ni->ni_txmcs = rate_index;
+ } else if (rate_index < ni->ni_rates.rs_nrates)
+ ni->ni_txrate = rate_index;
+}
+
void
athn_usb_rx_wmi_ctrl(struct athn_usb_softc *usc, uint8_t *buf, int len)
{
struct ar_wmi_cmd_hdr *wmi;
- struct ar_wmi_evt_txrate *txrate;
uint16_t cmd_id;
if (__predict_false(len < sizeof(*wmi)))
athn_usb_swba(usc);
break;
#endif
- case AR_WMI_EVT_TXRATE:
- txrate = (struct ar_wmi_evt_txrate *)&wmi[1];
- DPRINTF(("txrate=%d\n", betoh32(txrate->txrate)));
+ case AR_WMI_EVT_TXSTATUS: {
+ struct ar_wmi_evt_txstatus_list *tsl;
+ int i;
+
+ tsl = (struct ar_wmi_evt_txstatus_list *)&wmi[1];
+ for (i = 0; i < tsl->count && i < nitems(tsl->ts); i++) {
+ struct ieee80211com *ic = &usc->sc_sc.sc_ic;
+ struct athn_node *an = (struct athn_node *)ic->ic_bss;
+ struct ar_wmi_evt_txstatus *ts = &tsl->ts[i];
+ uint8_t qid;
+
+ /* Skip the node we use to send management frames. */
+ if (ts->cookie == 0)
+ continue;
+
+ /* Skip Tx reports for non-data frame endpoints. */
+ qid = (ts->rate & AR_HTC_TXSTAT_EPID) >>
+ AR_HTC_TXSTAT_EPID_SHIFT;
+ if (qid != usc->ep_data[EDCA_AC_BE] &&
+ qid != usc->ep_data[EDCA_AC_BK] &&
+ qid != usc->ep_data[EDCA_AC_VI] &&
+ qid != usc->ep_data[EDCA_AC_VO])
+ continue;
+
+ if (ts->cookie == an->sta_index)
+ athn_usb_tx_status(ts, ic->ic_bss);
+ else
+ ieee80211_iterate_nodes(ic, athn_usb_tx_status,
+ ts);
+ }
break;
+ }
case AR_WMI_EVT_FATAL:
printf("%s: fatal firmware error\n", usc->usb_dev.dv_xname);
break;
struct ar_tx_mgmt *txm;
uint8_t *frm;
uint16_t qos;
- uint8_t sta_index, qid, tid = 0;
+ uint8_t qid, tid = 0;
int hasqos, xferlen, error;
wh = mtod(m, struct ieee80211_frame *);
bpf_mtap(sc->sc_drvbpf, &mb, BPF_DIRECTION_OUT);
}
#endif
- sta_index = an->sta_index;
/* NB: We don't take advantage of USB Tx stream mode for now. */
hdr = (struct ar_stream_hdr *)data->buf;
txf = (struct ar_tx_frame *)&htc[1];
memset(txf, 0, sizeof(*txf));
txf->data_type = AR_HTC_NORMAL;
- txf->node_idx = sta_index;
+ txf->node_idx = an->sta_index;
txf->vif_idx = 0;
txf->tid = tid;
if (m->m_pkthdr.len + IEEE80211_CRC_LEN > ic->ic_rtsthreshold)
txf->flags |= htobe32(AR_HTC_TX_RTSCTS);
}
txf->key_idx = 0xff;
+ txf->cookie = an->sta_index;
frm = (uint8_t *)&txf[1];
} else {
htc->endpoint_id = usc->ep_mgmt;
txm = (struct ar_tx_mgmt *)&htc[1];
memset(txm, 0, sizeof(*txm));
- txm->node_idx = sta_index;
+ txm->node_idx = an->sta_index;
txm->vif_idx = 0;
txm->key_idx = 0xff;
+ txm->cookie = an->sta_index;
frm = (uint8_t *)&txm[1];
}
/* Copy payload. */
&sta, sizeof(sta), NULL);
if (error != 0)
goto fail;
- usc->nnodes++;
+ usc->free_node_slots = ~(1 << sta.sta_index);
/* Update target capabilities. */
memset(&hic, 0, sizeof(hic));
- hic.flags = htobe32(0x400c2400);
- hic.flags_ext = htobe32(0x00106080);
hic.ampdu_limit = htobe32(0x0000ffff);
hic.ampdu_subframes = 20;
- hic.protmode = 1; /* XXX */
- hic.lg_txchainmask = sc->txchainmask;
- hic.ht_txchainmask = sc->txchainmask;
+ hic.txchainmask = sc->txchainmask;
DPRINTF(("updating target configuration\n"));
error = athn_usb_wmi_xcmd(usc, AR_WMI_CMD_TARGET_IC_UPDATE,
&hic, sizeof(hic), NULL);
timeout_del(&sc->scan_to);
timeout_del(&sc->calib_to);
- /* Remove main interface. */
+ /* Remove all non-default nodes. */
+ for (sta_index = 1; sta_index < AR_USB_MAX_STA; sta_index++) {
+ if (usc->free_node_slots & (1 << sta_index))
+ continue;
+ (void)athn_usb_wmi_xcmd(usc, AR_WMI_CMD_NODE_REMOVE,
+ &sta_index, sizeof(sta_index), NULL);
+ }
+
+ /* Remove main interface. This also invalidates our default node. */
memset(&hvif, 0, sizeof(hvif));
hvif.index = 0;
IEEE80211_ADDR_COPY(hvif.myaddr, ic->ic_myaddr);
(void)athn_usb_wmi_xcmd(usc, AR_WMI_CMD_VAP_REMOVE,
&hvif, sizeof(hvif), NULL);
- /* Remove default node. */
- sta_index = 0;
- (void)athn_usb_wmi_xcmd(usc, AR_WMI_CMD_NODE_REMOVE,
- &sta_index, sizeof(sta_index), NULL);
- usc->nnodes--;
+
+ usc->free_node_slots = 0xff;
(void)athn_usb_wmi_cmd(usc, AR_WMI_CMD_DISABLE_INTR);
(void)athn_usb_wmi_cmd(usc, AR_WMI_CMD_DRAIN_TXQ_ALL);
-/* $OpenBSD: if_athn_usb.h,v 1.8 2017/04/08 02:57:25 deraadt Exp $ */
+/* $OpenBSD: if_athn_usb.h,v 1.9 2018/02/05 08:48:57 stsp Exp $ */
/*-
* Copyright (c) 2011 Damien Bergamini <damien.bergamini@free.fr>
/* Wireless module interface commands. */
#define AR_WMI_CMD_ECHO 0x001
#define AR_WMI_CMD_ACCESS_MEMORY 0x002
-#define AR_WMI_CMD_DISABLE_INTR 0x003
-#define AR_WMI_CMD_ENABLE_INTR 0x004
-#define AR_WMI_CMD_RX_LINK 0x005
+#define AR_WMI_GET_FW_VERSION 0x003
+#define AR_WMI_CMD_DISABLE_INTR 0x004
+#define AR_WMI_CMD_ENABLE_INTR 0x005
#define AR_WMI_CMD_ATH_INIT 0x006
#define AR_WMI_CMD_ABORT_TXQ 0x007
#define AR_WMI_CMD_STOP_TX_DMA 0x008
-#define AR_WMI_CMD_STOP_DMA_RECV 0x009
-#define AR_WMI_CMD_ABORT_TX_DMA 0x00a
-#define AR_WMI_CMD_DRAIN_TXQ 0x00b
-#define AR_WMI_CMD_DRAIN_TXQ_ALL 0x00c
-#define AR_WMI_CMD_START_RECV 0x00d
-#define AR_WMI_CMD_STOP_RECV 0x00e
-#define AR_WMI_CMD_FLUSH_RECV 0x00f
-#define AR_WMI_CMD_SET_MODE 0x010
-#define AR_WMI_CMD_RESET 0x011
-#define AR_WMI_CMD_NODE_CREATE 0x012
-#define AR_WMI_CMD_NODE_REMOVE 0x013
-#define AR_WMI_CMD_VAP_REMOVE 0x014
-#define AR_WMI_CMD_VAP_CREATE 0x015
-#define AR_WMI_CMD_BEACON_UPDATE 0x016
-#define AR_WMI_CMD_REG_READ 0x017
-#define AR_WMI_CMD_REG_WRITE 0x018
-#define AR_WMI_CMD_RC_STATE_CHANGE 0x019
-#define AR_WMI_CMD_RC_RATE_UPDATE 0x01a
-#define AR_WMI_CMD_DEBUG_INFO 0x01b
-#define AR_WMI_CMD_HOST_ATTACH 0x01c
-#define AR_WMI_CMD_TARGET_IC_UPDATE 0x01d
-#define AR_WMI_CMD_TGT_STATS 0x01e
-#define AR_WMI_CMD_TX_AGGR_ENABLE 0x01f
+#define AR_WMI_CMD_ABORT_TX_DMA 0x009
+#define AR_WMI_CMD_DRAIN_TXQ 0x00a
+#define AR_WMI_CMD_DRAIN_TXQ_ALL 0x00b
+#define AR_WMI_CMD_START_RECV 0x00c
+#define AR_WMI_CMD_STOP_RECV 0x00d
+#define AR_WMI_CMD_FLUSH_RECV 0x00e
+#define AR_WMI_CMD_SET_MODE 0x00f
+#define AR_WMI_CMD_NODE_CREATE 0x010
+#define AR_WMI_CMD_NODE_REMOVE 0x011
+#define AR_WMI_CMD_VAP_REMOVE 0x012
+#define AR_WMI_CMD_VAP_CREATE 0x013
+#define AR_WMI_CMD_REG_READ 0x014
+#define AR_WMI_CMD_REG_WRITE 0x015
+#define AR_WMI_CMD_RC_STATE_CHANGE 0x016
+#define AR_WMI_CMD_RC_RATE_UPDATE 0x017
+#define AR_WMI_CMD_TARGET_IC_UPDATE 0x018
+#define AR_WMI_CMD_TX_AGGR_ENABLE 0x019
#define AR_WMI_CMD_TGT_DETACH 0x020
-#define AR_WMI_CMD_TGT_TXQ_ENABLE 0x021
-#define AR_WMI_CMD_AGGR_LIMIT 0x026
+#define AR_WMI_CMD_NODE_UPDATE 0x021
+#define AR_WMI_CMD_INT_STATS 0x022
+#define AR_WMI_CMD_TX_STATS 0x023
+#define AR_WMI_CMD_RX_STATS 0x024
+#define AR_WMI_CMD_BITRATE_MASK 0x025
+#define AR_WMI_CMD_REG_RMW 0x026
+
/* Wireless module interface events. */
#define AR_WMI_EVT_TGT_RDY 0x001
#define AR_WMI_EVT_SWBA 0x002
#define AR_WMI_EVT_FATAL 0x003
#define AR_WMI_EVT_TXTO 0x004
#define AR_WMI_EVT_BMISS 0x005
-#define AR_WMI_EVT_WLAN_TXCOMP 0x006
-#define AR_WMI_EVT_DELBA 0x007
-#define AR_WMI_EVT_TXRATE 0x008
+#define AR_WMI_EVT_DELBA 0x006
+#define AR_WMI_EVT_TXSTATUS 0x007
/* Structure for service AR_SVC_WMI_CONTROL. */
struct ar_wmi_cmd_hdr {
} __packed;
/* Values for AR_WMI_CMD_SET_MODE. */
-#define AR_HTC_MODE_AUTO 0
-#define AR_HTC_MODE_11A 1
-#define AR_HTC_MODE_11B 2
-#define AR_HTC_MODE_11G 3
-#define AR_HTC_MODE_FH 4
-#define AR_HTC_MODE_TURBO_A 5
-#define AR_HTC_MODE_TURBO_G 6
-#define AR_HTC_MODE_11NA 7
-#define AR_HTC_MODE_11NG 8
+#define AR_HTC_MODE_11NA 0
+#define AR_HTC_MODE_11NG 1
#define AR_MAX_WRITE_COUNT 32
/* Structure for command AR_WMI_CMD_REG_WRITE. */
/* Structure for command AR_WMI_CMD_NODE_{CREATE,REMOVE}. */
struct ar_htc_target_sta {
- uint16_t associd;
- uint16_t txpower;
- uint32_t pariwisekey;
uint8_t macaddr[IEEE80211_ADDR_LEN];
uint8_t bssid[IEEE80211_ADDR_LEN];
uint8_t sta_index;
uint8_t vif_index;
- uint8_t vif_sta;
+ uint8_t is_vif_sta;
uint16_t flags;
#define AR_HTC_STA_AUTH 0x0001
#define AR_HTC_STA_QOS 0x0002
#define AR_HTC_STA_HT 0x0008
uint16_t htcap;
- uint8_t valid;
- uint16_t capinfo;
- uint32_t reserved[2];
- uint16_t txseqmgmt;
- uint8_t is_vif_sta;
uint16_t maxampdu;
+ uint8_t pad;
+
+ /* Internal state. */
+ uint16_t txseqmgmt;
uint16_t iv16;
uint32_t iv32;
+ void *ni_vap;
} __packed;
/* Structures for command AR_WMI_CMD_RC_RATE_UPDATE. */
struct ar_htc_target_rate {
uint8_t sta_index;
uint8_t isnew;
+ uint8_t pad[2];
uint32_t capflags;
-#define AR_RC_DS_FLAG 0x00000001
-#define AR_RC_40_FLAG 0x00000002
-#define AR_RC_SGI_FLAG 0x00000004
-#define AR_RC_HT_FLAG 0x00000008
-#define AR_RC_STBC_FLAG 0x00000020
+#define AR_RC_DS_FLAG 0x00000001
+#define AR_RC_40_FLAG 0x00000002
+#define AR_RC_SGI_FLAG 0x00000004
+#define AR_RC_HT_FLAG 0x00000008
+#define AR_RC_STBC_FLAG 0x00000030 /* 2 bits */
+#define AR_RC_WEP_TKIP_FLAG 0x00000100
struct ar_htc_rateset lg_rates;
struct ar_htc_rateset ht_rates;
/* Structure for command AR_WMI_CMD_VAP_CREATE. */
struct ar_htc_target_vif {
uint8_t index;
- uint8_t des_bssid[IEEE80211_ADDR_LEN];
uint32_t opmode;
#define AR_HTC_M_IBSS 0
#define AR_HTC_M_STA 1
#define AR_HTC_M_AHDEMO 3
#define AR_HTC_M_HOSTAP 6
#define AR_HTC_M_MONITOR 8
-
uint8_t myaddr[IEEE80211_ADDR_LEN];
- uint8_t bssid[IEEE80211_ADDR_LEN];
- uint32_t flags;
- uint32_t flags_ext;
- uint16_t ps_sta;
- uint16_t rtsthreshold;
uint8_t ath_cap;
- int8_t mcast_rate;
+ uint16_t rtsthreshold;
+ uint8_t pad;
+
+ /* Internal state. */
+ int8_t nodeindex;
+ void *iv_bss;
} __packed;
/* Structure for command AM_WMI_CMD_TARGET_IC_UPDATE. */
struct ar_htc_cap_target {
- uint32_t flags;
- uint32_t flags_ext;
uint32_t ampdu_limit;
uint8_t ampdu_subframes;
- uint8_t ht_txchainmask;
- uint8_t lg_txchainmask;
- uint8_t rtscts_ratecode;
- uint8_t protmode;
+ uint8_t enable_coex;
+ uint8_t txchainmask;
+ uint8_t pad;
} __packed;
-/* Structure for event AR_WMI_EVT_TXRATE. */
-struct ar_wmi_evt_txrate {
- uint32_t txrate;
- uint8_t rssi_thresh;
- uint8_t per;
+struct ar_wmi_evt_txstatus {
+ uint8_t cookie;
+
+ /*
+ * Legacy rates are indicated as rate array indices.
+ * HT rates are indicated as MCS indices.
+ */
+ uint8_t rate;
+#define AR_HTC_TXSTAT_RATE 0x0f
+#define AR_HTC_TXSTAT_EPID 0xf0
+#define AR_HTC_TXSTAT_EPID_SHIFT 4
+
+ uint8_t flags;
+#define AR_HTC_TXSTAT_ACK 0x01
+#define AR_HTC_TXSTAT_FILT 0x02
+#define AR_HTC_TXSTAT_RTC_CTS 0x04
+#define AR_HTC_TXSTAT_MCS 0x08
+#define AR_HTC_TXSTAT_CW40 0x10
+#define AR_HTC_TXSTAT_SGI 0x20
+} __packed;
+
+/* Structure for event AR_WMI_EVT_TXSTATUS. */
+#define AR_HTC_MAX_TX_STATUS 12
+struct ar_wmi_evt_txstatus_list {
+ uint8_t count;
+ struct ar_wmi_evt_txstatus ts[AR_HTC_MAX_TX_STATUS];
} __packed;
/* HTC header. */
struct ar_htc_frame_hdr {
uint8_t endpoint_id;
uint8_t flags;
-#define AR_HTC_FLAG_TRAILER 0x02
+#define AR_HTC_FLAG_NEED_CREDIT_UPDATE 0x01
+#define AR_HTC_FLAG_TRAILER 0x02
+#define AR_HTC_FLAG_CREDIT_REDISTRIBUTION 0x03
uint16_t payload_len;
uint8_t control[4];
uint8_t key_type;
uint8_t key_idx;
- uint8_t reserved[26];
+ uint8_t cookie;
+ uint8_t pad;
} __packed;
/* Structure for service AR_SVC_WMI_MGMT. */
uint8_t flags;
uint8_t key_type;
uint8_t key_idx;
- uint16_t reserved;
+ uint8_t cookie;
+ uint8_t pad;
} __packed;
/* Structure for service AR_SVC_WMI_BEACON. */
uint8_t ep_mgmt;
uint8_t ep_data[EDCA_NUM_AC];
- /* Firmware cannot handle more than 8 STAs. */
- uint8_t nnodes;
+ /*
+ * Firmware cannot handle more than 8 STAs.
+ * We use a bitmask to keep track of available slots in the firmware's
+ * node array. A 1 bit at index N, as determined by ffs(3), means the
+ * slot at this index is available.
+ */
+ uint8_t free_node_slots;
+
+ void (*sc_node_free)(struct ieee80211com *,
+ struct ieee80211_node *);
};