Author: adrian
Date: Mon Oct 19 01:14:26 2015
New Revision: 289556
URL: https://svnweb.freebsd.org/changeset/base/289556
Log:
otus(4) - add initial monitor mode; use lowest rate for EAPOL
The monitor mode stuff is from the openbsd driver, but it doesn't
100% work. It doesn't seem to get all frames for all BSSes.
However, it's enough to at start debugging things. That 0xffffffff
write is /I think/ the RX filter, but I am still not 100% sure about
it all.
Then, whilst here, use the lowest rate for EAPOL frames. This is just
generally a good thing to do.
Modified:
head/sys/dev/otus/if_otus.c
Modified: head/sys/dev/otus/if_otus.c
==============================================================================
--- head/sys/dev/otus/if_otus.c Mon Oct 19 00:36:54 2015 (r289555)
+++ head/sys/dev/otus/if_otus.c Mon Oct 19 01:14:26 2015 (r289556)
@@ -759,6 +759,7 @@ otus_attachhook(struct otus_softc *sc)
IEEE80211_C_WME | /* WME/QoS */
IEEE80211_C_SHSLOT | /* Short slot time supported. */
IEEE80211_C_FF | /* Atheros fast-frames supported. */
+ IEEE80211_C_MONITOR |
IEEE80211_C_WPA; /* WPA/RSN. */
/* XXX TODO: 11n */
@@ -2229,6 +2230,9 @@ otus_tx(struct otus_softc *sc, struct ie
(wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_DATA)
{
/* Get lowest rate */
rate = otus_rate_to_hw_rate(sc, 0);
+ } else if (m->m_flags & M_EAPOL) {
+ /* Get lowest rate */
+ rate = otus_rate_to_hw_rate(sc, 0);
} else {
(void) ieee80211_ratectl_rate(ni, NULL, 0);
rate = otus_rate_to_hw_rate(sc, ni->ni_txrate);
@@ -3094,13 +3098,22 @@ otus_init(struct otus_softc *sc)
}
#endif
- /* Expect STA operation */
- otus_write(sc, 0x1c3700, 0x0f000002);
- otus_write(sc, 0x1c3c40, 0x1);
+ switch (ic->ic_opmode) {
+ case IEEE80211_M_STA:
+ otus_write(sc, 0x1c3700, 0x0f000002);
+ otus_write(sc, 0x1c3c40, 0x1);
+ break;
+ case IEEE80211_M_MONITOR:
+ otus_write(sc, 0x1c368c, 0xffffffff);
+ break;
+ default:
+ break;
+ }
/* XXX ic_opmode? */
otus_write(sc, AR_MAC_REG_SNIFFER,
(ic->ic_opmode == IEEE80211_M_MONITOR) ? 0x2000001 : 0x2000000);
+
(void)otus_write_barrier(sc);
sc->bb_reset = 1; /* Force cold reset. */
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