On Thu, Jan 16, 2014 at 01:43:22AM +0100, Stefan Sperling wrote:
I had almost forgotten that wifi hacking can be fun if it results
in something working.
Tested between two laptops (hostap) and with Berlin's freifunk
network (ibss). Seems to work but I have no idea about long
term stability yet. Additional testing much appreciated.
Is nobody able to test this?
Index: sys/dev/usb/if_urtwn.c
===
RCS file: /cvs/src/sys/dev/usb/if_urtwn.c,v
retrieving revision 1.32
diff -u -p -r1.32 if_urtwn.c
--- sys/dev/usb/if_urtwn.c30 Sep 2013 05:18:57 - 1.32
+++ sys/dev/usb/if_urtwn.c16 Jan 2014 00:26:03 -
@@ -240,6 +240,10 @@ void urtwn_lc_calib(struct urtwn_softc
void urtwn_temp_calib(struct urtwn_softc *);
int urtwn_init(struct ifnet *);
void urtwn_stop(struct ifnet *);
+#ifndef IEEE80211_STA_ONLY
+void urtwn_newassoc(struct ieee80211com *, struct ieee80211_node *,
+ int);
+#endif
/* Aliases. */
#define urtwn_bb_write urtwn_write_4
@@ -332,6 +336,10 @@ urtwn_attach(struct device *parent, stru
/* Set device capabilities. */
ic-ic_caps =
IEEE80211_C_MONITOR | /* Monitor mode supported. */
+#ifndef IEEE80211_STA_ONLY
+ IEEE80211_C_IBSS | /* IBSS mode supported */
+ IEEE80211_C_HOSTAP |/* HostAp mode supported */
+#endif
IEEE80211_C_SHPREAMBLE |/* Short preamble supported. */
IEEE80211_C_SHSLOT |/* Short slot time supported. */
IEEE80211_C_WEP | /* WEP. */
@@ -377,6 +385,9 @@ urtwn_attach(struct device *parent, stru
if_attach(ifp);
ieee80211_ifattach(ifp);
+#ifndef IEEE80211_STA_ONLY
+ ic-ic_newassoc = urtwn_newassoc;
+#endif
ic-ic_updateedca = urtwn_updateedca;
#ifdef notyet
ic-ic_set_key = urtwn_set_key;
@@ -1153,6 +1164,17 @@ urtwn_next_scan(void *arg)
usbd_ref_decr(sc-sc_udev);
}
+#ifndef IEEE80211_STA_ONLY
+void
+urtwn_newassoc(struct ieee80211com *ic, struct ieee80211_node *ni, int isnew)
+{
+ DPRINTF((new node %s\n, ether_sprintf(ni-ni_macaddr)));
+ /* start with lowest Tx rate */
+ ni-ni_txrate = 0;
+}
+#endif
+
+
int
urtwn_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg)
{
@@ -1175,6 +1197,9 @@ urtwn_newstate_cb(struct urtwn_softc *sc
enum ieee80211_state ostate;
uint32_t reg;
int s;
+#ifndef IEEE80211_STA_ONLY
+ u_int8_t msr;
+#endif
s = splnet();
ostate = ic-ic_state;
@@ -1270,6 +1295,8 @@ urtwn_newstate_cb(struct urtwn_softc *sc
}
ni = ic-ic_bss;
+ urtwn_set_chan(sc, ni-ni_chan, NULL);
+
/* Set media status to 'Associated'. */
reg = urtwn_read_4(sc, R92C_CR);
reg = RW(reg, R92C_CR_NETTYPE, R92C_CR_NETTYPE_INFRA);
@@ -1298,6 +1325,33 @@ urtwn_newstate_cb(struct urtwn_softc *sc
urtwn_read_4(sc, R92C_RCR) |
R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN);
+#ifndef IEEE80211_STA_ONLY
+ if (ic-ic_opmode == IEEE80211_M_HOSTAP) {
+ urtwn_write_2(sc, R92C_BCNTCFG, 0x000f);
+
+ /* Allow Rx from any BSSID. */
+ urtwn_write_4(sc, R92C_RCR,
+ urtwn_read_4(sc, R92C_RCR)
+ ~(R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN));
+
+ /* Reset TSF timer to zero. */
+ reg = urtwn_read_4(sc, R92C_TCR);
+ reg = ~0x01;
+ urtwn_write_4(sc, R92C_TCR, reg);
+ reg |= 0x01;
+ urtwn_write_4(sc, R92C_TCR, reg);
+ }
+
+ msr = urtwn_read_1(sc, R92C_MSR);
+ msr = 0xfc;
+ if (ic-ic_opmode == IEEE80211_M_HOSTAP)
+ msr |= R92C_MSR_AP;
+ else if (ic-ic_opmode == IEEE80211_M_IBSS)
+ msr |= R92C_MSR_ADHOC;
+ else
+ msr |= R92C_MSR_INFRA;
+ urtwn_write_1(sc, R92C_MSR, msr);
+#endif
/* Enable TSF synchronization. */
urtwn_tsf_sync_enable(sc);
@@ -3118,8 +3172,8 @@ urtwn_init(struct ifnet *ifp)
/* Initialize beacon parameters. */
urtwn_write_2(sc, R92C_TBTT_PROHIBIT, 0x6404);
- urtwn_write_1(sc, R92C_DRVERLYINT, 0x05);
- urtwn_write_1(sc, R92C_BCNDMATIM, 0x02);
+ urtwn_write_1(sc, R92C_DRVERLYINT, R92C_DRIVER_EARLY_INT_TIME); /* ms */
+ urtwn_write_1(sc, R92C_BCNDMATIM, R92C_DMA_ATIME_INT_TIME);
urtwn_write_2(sc, R92C_BCNTCFG, 0x660f);
/* Setup AMPDU aggregation. */
Index: sys/dev/usb/if_urtwnreg.h
===
RCS file:
