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urtw(4): add promiscuous mode callback

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Also, pass control frames to the host while in MONITOR mode and / or
when promiscuous mode is enabled.

Tested with Netgear WG111 v3 (RTL8187B), STA / MONITOR modes.

MFC after:	2 weeks
This commit is contained in:
Andriy Voskoboinyk 2019-03-11 02:02:04 +00:00
parent 786ac7035f
commit b3ec1ab8dc
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=344994
1 changed files with 23 additions and 9 deletions
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32
sys/dev/usb/wlan/if_urtw.c
View File

@ -670,6 +670,7 @@ static void urtw_scan_end(struct ieee80211com *);
static void urtw_getradiocaps(struct ieee80211com *, int, int *,
struct ieee80211_channel[]);
static void urtw_set_channel(struct ieee80211com *);
static void urtw_update_promisc(struct ieee80211com *);
static void urtw_update_mcast(struct ieee80211com *);
static int urtw_tx_start(struct urtw_softc *,
struct ieee80211_node *, struct mbuf *,
@ -896,6 +897,7 @@ urtw_attach(device_t dev)
ic->ic_updateslot = urtw_updateslot;
ic->ic_vap_create = urtw_vap_create;
ic->ic_vap_delete = urtw_vap_delete;
ic->ic_update_promisc = urtw_update_promisc;
ic->ic_update_mcast = urtw_update_mcast;
ic->ic_parent = urtw_parent;
ic->ic_transmit = urtw_transmit;
@ -1630,6 +1632,17 @@ urtw_set_channel(struct ieee80211com *ic)
device_printf(sc->sc_dev, "could not change the channel\n");
}
static void
urtw_update_promisc(struct ieee80211com *ic)
{
struct urtw_softc *sc = ic->ic_softc;
URTW_LOCK(sc);
if (sc->sc_flags & URTW_RUNNING)
urtw_rx_setconf(sc);
URTW_UNLOCK(sc);
}
static void
urtw_update_mcast(struct ieee80211com *ic)
{
@ -3873,7 +3886,6 @@ urtw_rx_setconf(struct urtw_softc *sc)
if (sc->sc_flags & URTW_RTL8187B) {
data = data | URTW_RX_FILTER_MNG | URTW_RX_FILTER_DATA |
URTW_RX_FILTER_MCAST | URTW_RX_FILTER_BCAST |
URTW_RX_FILTER_NICMAC | URTW_RX_CHECK_BSSID |
URTW_RX_FIFO_THRESHOLD_NONE |
URTW_MAX_RX_DMA_2048 |
URTW_RX_AUTORESETPHY | URTW_RCR_ONLYERLPKT;
@ -3888,14 +3900,6 @@ urtw_rx_setconf(struct urtw_softc *sc)
if (sc->sc_crcmon == 1 && ic->ic_opmode == IEEE80211_M_MONITOR)
data = data | URTW_RX_FILTER_CRCERR;
if (ic->ic_opmode == IEEE80211_M_MONITOR ||
ic->ic_promisc > 0 || ic->ic_allmulti > 0) {
data = data | URTW_RX_FILTER_ALLMAC;
} else {
data = data | URTW_RX_FILTER_NICMAC;
data = data | URTW_RX_CHECK_BSSID;
}
data = data &~ URTW_RX_FIFO_THRESHOLD_MASK;
data = data | URTW_RX_FIFO_THRESHOLD_NONE |
URTW_RX_AUTORESETPHY;
@ -3903,6 +3907,16 @@ urtw_rx_setconf(struct urtw_softc *sc)
data = data | URTW_MAX_RX_DMA_2048 | URTW_RCR_ONLYERLPKT;
}
/* XXX allmulti should not be checked here... */
if (ic->ic_opmode == IEEE80211_M_MONITOR ||
ic->ic_promisc > 0 || ic->ic_allmulti > 0) {
data = data | URTW_RX_FILTER_CTL;
data = data | URTW_RX_FILTER_ALLMAC;
} else {
data = data | URTW_RX_FILTER_NICMAC;
data = data | URTW_RX_CHECK_BSSID;
}
urtw_write32_m(sc, URTW_RX, data);
fail:
return (error);