svn commit: r309825 - head/sys/dev/usb/wlan

Adrian Chadd adrian.chadd at gmail.com
Sat Dec 10 19:18:52 UTC 2016


thanks!


-a


On 10 December 2016 at 11:15, Andriy Voskoboinyk <avos at freebsd.org> wrote:
> Sat, 10 Dec 2016 20:57:32 +0200 було написано Adrian Chadd
> <adrian.chadd at gmail.com>:
>
> Done in r309826.
>
>
>> Would you mind updating the manpage to state this monitor/promisc
>> difference in the LIMITATIONS section, or something?
>>
>> Thanks!
>>
>>
>>
>> -a
>>
>>
>> On 10 December 2016 at 10:47, Andriy Voskoboinyk <avos at freebsd.org> wrote:
>>>
>>> Author: avos
>>> Date: Sat Dec 10 18:47:13 2016
>>> New Revision: 309825
>>> URL: https://svnweb.freebsd.org/changeset/base/309825
>>>
>>> Log:
>>>   rsu: add promiscuous mode support.
>>>
>>>   - Add partial promiscuous mode support (no management frames;
>>>   they cannot be received by the firmware and net80211 at the same time).
>>>   - Add monitor mode support (all frames).
>>>
>>>   Tested with Asus, USB-N10.
>>>
>>> Modified:
>>>   head/sys/dev/usb/wlan/if_rsu.c
>>>   head/sys/dev/usb/wlan/if_rsureg.h
>>>
>>> Modified: head/sys/dev/usb/wlan/if_rsu.c
>>>
>>> ==============================================================================
>>> --- head/sys/dev/usb/wlan/if_rsu.c      Sat Dec 10 18:29:39 2016
>>> (r309824)
>>> +++ head/sys/dev/usb/wlan/if_rsu.c      Sat Dec 10 18:47:13 2016
>>> (r309825)
>>> @@ -23,7 +23,7 @@ __FBSDID("$FreeBSD$");
>>>   *
>>>   * TODO:
>>>   *   o tx a-mpdu
>>> - *   o monitor / hostap / ibss / mesh
>>> + *   o hostap / ibss / mesh
>>>   *   o power-save operation
>>>   */
>>>
>>> @@ -175,6 +175,7 @@ static void rsu_getradiocaps(struct ieee
>>>  static void    rsu_set_channel(struct ieee80211com *);
>>>  static void    rsu_scan_curchan(struct ieee80211_scan_state *, unsigned
>>> long);
>>>  static void    rsu_scan_mindwell(struct ieee80211_scan_state *);
>>> +static void    rsu_update_promisc(struct ieee80211com *);
>>>  static uint8_t rsu_get_multi_pos(const uint8_t[]);
>>>  static void    rsu_set_multi(struct rsu_softc *);
>>>  static void    rsu_update_mcast(struct ieee80211com *);
>>> @@ -202,6 +203,9 @@ static int  rsu_read_rom(struct rsu_softc
>>>  static int     rsu_fw_cmd(struct rsu_softc *, uint8_t, void *, int);
>>>  static void    rsu_calib_task(void *, int);
>>>  static void    rsu_tx_task(void *, int);
>>> +static void    rsu_set_led(struct rsu_softc *, int);
>>> +static int     rsu_monitor_newstate(struct ieee80211vap *,
>>> +                   enum ieee80211_state, int);
>>>  static int     rsu_newstate(struct ieee80211vap *, enum ieee80211_state,
>>> int);
>>>  static int     rsu_key_alloc(struct ieee80211vap *, struct ieee80211_key
>>> *,
>>>                     ieee80211_keyix *, ieee80211_keyix *);
>>> @@ -244,6 +248,9 @@ static struct mbuf *
>>>  static void    rsu_txeof(struct usb_xfer *, struct rsu_data *);
>>>  static int     rsu_raw_xmit(struct ieee80211_node *, struct mbuf *,
>>>                     const struct ieee80211_bpf_params *);
>>> +static void    rsu_rxfilter_init(struct rsu_softc *);
>>> +static void    rsu_rxfilter_set(struct rsu_softc *, uint32_t, uint32_t);
>>> +static void    rsu_rxfilter_refresh(struct rsu_softc *);
>>>  static void    rsu_init(struct rsu_softc *);
>>>  static int     rsu_tx_start(struct rsu_softc *, struct ieee80211_node *,
>>>                     struct mbuf *, struct rsu_data *);
>>> @@ -536,6 +543,7 @@ rsu_attach(device_t self)
>>>         /* Set device capabilities. */
>>>         ic->ic_caps =
>>>             IEEE80211_C_STA |           /* station mode */
>>> +           IEEE80211_C_MONITOR |       /* monitor mode supported */
>>>  #if 0
>>>             IEEE80211_C_BGSCAN |        /* Background scan. */
>>>  #endif
>>> @@ -582,6 +590,7 @@ rsu_attach(device_t self)
>>>         ic->ic_scan_mindwell = rsu_scan_mindwell;
>>>         ic->ic_vap_create = rsu_vap_create;
>>>         ic->ic_vap_delete = rsu_vap_delete;
>>> +       ic->ic_update_promisc = rsu_update_promisc;
>>>         ic->ic_update_mcast = rsu_update_mcast;
>>>         ic->ic_parent = rsu_parent;
>>>         ic->ic_transmit = rsu_transmit;
>>> @@ -688,7 +697,10 @@ rsu_vap_create(struct ieee80211com *ic,
>>>
>>>         /* override state transition machine */
>>>         uvp->newstate = vap->iv_newstate;
>>> -       vap->iv_newstate = rsu_newstate;
>>> +       if (opmode == IEEE80211_M_MONITOR)
>>> +               vap->iv_newstate = rsu_monitor_newstate;
>>> +       else
>>> +               vap->iv_newstate = rsu_newstate;
>>>         vap->iv_key_alloc = rsu_key_alloc;
>>>         vap->iv_key_set = rsu_key_set;
>>>         vap->iv_key_delete = rsu_key_delete;
>>> @@ -759,9 +771,30 @@ rsu_getradiocaps(struct ieee80211com *ic
>>>  }
>>>
>>>  static void
>>> -rsu_set_channel(struct ieee80211com *ic __unused)
>>> +rsu_set_channel(struct ieee80211com *ic)
>>>  {
>>> -       /* We are unable to switch channels, yet. */
>>> +       struct rsu_softc *sc = ic->ic_softc;
>>> +
>>> +       /*
>>> +        * Only need to set the channel in Monitor mode. AP scanning and
>>> auth
>>> +        * are already taken care of by their respective firmware
>>> commands.
>>> +        */
>>> +       if (ic->ic_opmode == IEEE80211_M_MONITOR) {
>>> +               struct r92s_set_channel cmd;
>>> +               int error;
>>> +
>>> +               cmd.channel = IEEE80211_CHAN2IEEE(ic->ic_curchan);
>>> +
>>> +               RSU_LOCK(sc);
>>> +               error = rsu_fw_cmd(sc, R92S_CMD_SET_CHANNEL, &cmd,
>>> +                   sizeof(cmd));
>>> +               if (error != 0) {
>>> +                       device_printf(sc->sc_dev,
>>> +                           "%s: error %d setting channel\n", __func__,
>>> +                           error);
>>> +               }
>>> +               RSU_UNLOCK(sc);
>>> +       }
>>>  }
>>>
>>>  static void
>>> @@ -782,6 +815,17 @@ rsu_scan_mindwell(struct ieee80211_scan_
>>>         /* NB: don't try to abort scan; wait for firmware to finish */
>>>  }
>>>
>>> +static void
>>> +rsu_update_promisc(struct ieee80211com *ic)
>>> +{
>>> +       struct rsu_softc *sc = ic->ic_softc;
>>> +
>>> +       RSU_LOCK(sc);
>>> +       if (sc->sc_running)
>>> +               rsu_rxfilter_refresh(sc);
>>> +       RSU_UNLOCK(sc);
>>> +}
>>> +
>>>  /*
>>>   * The same as rtwn_get_multi_pos() / rtwn_set_multi().
>>>   */
>>> @@ -1343,6 +1387,47 @@ rsu_set_fw_power_state(struct rsu_softc
>>>         return (error);
>>>  }
>>>
>>> +static void
>>> +rsu_set_led(struct rsu_softc *sc, int on)
>>> +{
>>> +       rsu_write_1(sc, R92S_LEDCFG,
>>> +           (rsu_read_1(sc, R92S_LEDCFG) & 0xf0) | (!on << 3));
>>> +}
>>> +
>>> +static int
>>> +rsu_monitor_newstate(struct ieee80211vap *vap, enum ieee80211_state
>>> nstate,
>>> +    int arg)
>>> +{
>>> +       struct ieee80211com *ic = vap->iv_ic;
>>> +       struct rsu_softc *sc = ic->ic_softc;
>>> +       struct rsu_vap *uvp = RSU_VAP(vap);
>>> +
>>> +       if (vap->iv_state != nstate) {
>>> +               IEEE80211_UNLOCK(ic);
>>> +               RSU_LOCK(sc);
>>> +
>>> +               switch (nstate) {
>>> +               case IEEE80211_S_INIT:
>>> +                       sc->sc_vap_is_running = 0;
>>> +                       rsu_set_led(sc, 0);
>>> +                       break;
>>> +               case IEEE80211_S_RUN:
>>> +                       sc->sc_vap_is_running = 1;
>>> +                       rsu_set_led(sc, 1);
>>> +                       break;
>>> +               default:
>>> +                       /* NOTREACHED */
>>> +                       break;
>>> +               }
>>> +               rsu_rxfilter_refresh(sc);
>>> +
>>> +               RSU_UNLOCK(sc);
>>> +               IEEE80211_LOCK(ic);
>>> +       }
>>> +
>>> +       return (uvp->newstate(vap, nstate, arg));
>>> +}
>>> +
>>>  static int
>>>  rsu_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int
>>> arg)
>>>  {
>>> @@ -1376,6 +1461,12 @@ rsu_newstate(struct ieee80211vap *vap, e
>>>                 RSU_LOCK(sc);
>>>                 /* Disassociate from our current BSS. */
>>>                 rsu_disconnect(sc);
>>> +               usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(10));
>>> +
>>> +               /* Refresh Rx filter (may be modified by firmware). */
>>> +               sc->sc_vap_is_running = 0;
>>> +               rsu_rxfilter_refresh(sc);
>>> +
>>>                 /* Reinstall static keys. */
>>>                 if (sc->sc_running)
>>>                         rsu_reinit_static_keys(sc);
>>> @@ -2030,6 +2121,11 @@ rsu_event_join_bss(struct rsu_softc *sc,
>>>             __func__, ether_sprintf(rsp->bss.macaddr), tmp);
>>>         /* XXX is this required? What's the top two bits for again? */
>>>         ni->ni_associd = tmp | 0xc000;
>>> +
>>> +       /* Refresh Rx filter (was changed by firmware). */
>>> +       sc->sc_vap_is_running = 1;
>>> +       rsu_rxfilter_refresh(sc);
>>> +
>>>         RSU_UNLOCK(sc);
>>>         ieee80211_new_state(vap, IEEE80211_S_RUN,
>>>             IEEE80211_FC0_SUBTYPE_ASSOC_RESP);
>>> @@ -3329,6 +3425,65 @@ rsu_raw_xmit(struct ieee80211_node *ni,
>>>  }
>>>
>>>  static void
>>> +rsu_rxfilter_init(struct rsu_softc *sc)
>>> +{
>>> +       uint32_t reg;
>>> +
>>> +       RSU_ASSERT_LOCKED(sc);
>>> +
>>> +       /* Setup multicast filter. */
>>> +       rsu_set_multi(sc);
>>> +
>>> +       /* Adjust Rx filter. */
>>> +       reg = rsu_read_4(sc, R92S_RCR);
>>> +       reg &= ~R92S_RCR_AICV;
>>> +       reg |= R92S_RCR_APP_PHYSTS;
>>> +       rsu_write_4(sc, R92S_RCR, reg);
>>> +
>>> +       /* Update dynamic Rx filter parts. */
>>> +       rsu_rxfilter_refresh(sc);
>>> +}
>>> +
>>> +static void
>>> +rsu_rxfilter_set(struct rsu_softc *sc, uint32_t clear, uint32_t set)
>>> +{
>>> +       /* NB: firmware can touch this register too. */
>>> +       rsu_write_4(sc, R92S_RCR,
>>> +          (rsu_read_4(sc, R92S_RCR) & ~clear) | set);
>>> +}
>>> +
>>> +static void
>>> +rsu_rxfilter_refresh(struct rsu_softc *sc)
>>> +{
>>> +       struct ieee80211com *ic = &sc->sc_ic;
>>> +       uint32_t mask_all, mask_min;
>>> +
>>> +       RSU_ASSERT_LOCKED(sc);
>>> +
>>> +       /* NB: RCR_AMF / RXFLTMAP_MGT are used by firmware. */
>>> +       mask_all = R92S_RCR_ACF | R92S_RCR_AAP;
>>> +       mask_min = R92S_RCR_APM;
>>> +       if (sc->sc_vap_is_running)
>>> +               mask_min |= R92S_RCR_CBSSID;
>>> +       else
>>> +               mask_all |= R92S_RCR_ADF;
>>> +
>>> +       if (ic->ic_opmode == IEEE80211_M_MONITOR) {
>>> +               uint16_t rxfltmap;
>>> +               if (sc->sc_vap_is_running)
>>> +                       rxfltmap = 0;
>>> +               else
>>> +                       rxfltmap = R92S_RXFLTMAP_MGT_DEF;
>>> +               rsu_write_2(sc, R92S_RXFLTMAP_MGT, rxfltmap);
>>> +       }
>>> +
>>> +       if (ic->ic_promisc == 0 && ic->ic_opmode != IEEE80211_M_MONITOR)
>>> +               rsu_rxfilter_set(sc, mask_all, mask_min);
>>> +       else
>>> +               rsu_rxfilter_set(sc, mask_min, mask_all);
>>> +}
>>> +
>>> +static void
>>>  rsu_init(struct rsu_softc *sc)
>>>  {
>>>         struct ieee80211com *ic = &sc->sc_ic;
>>> @@ -3394,12 +3549,8 @@ rsu_init(struct rsu_softc *sc)
>>>                 goto fail;
>>>         }
>>>
>>> -       /* Append PHY status. */
>>> -       rsu_write_4(sc, R92S_RCR,
>>> -           rsu_read_4(sc, R92S_RCR) | 0x02000000);
>>> -
>>> -       /* Setup multicast filter (must be done after firmware loading).
>>> */
>>> -       rsu_set_multi(sc);
>>> +       /* Initialize Rx filter. */
>>> +       rsu_rxfilter_init(sc);
>>>
>>>         /* Set PS mode fully active */
>>>         error = rsu_set_fw_power_state(sc, RSU_PWR_ACTIVE);
>>> @@ -3433,6 +3584,7 @@ rsu_stop(struct rsu_softc *sc)
>>>         RSU_ASSERT_LOCKED(sc);
>>>
>>>         sc->sc_running = 0;
>>> +       sc->sc_vap_is_running = 0;
>>>         sc->sc_calibrating = 0;
>>>         taskqueue_cancel_timeout(taskqueue_thread, &sc->calib_task,
>>> NULL);
>>>         taskqueue_cancel(taskqueue_thread, &sc->tx_task, NULL);
>>>
>>> Modified: head/sys/dev/usb/wlan/if_rsureg.h
>>>
>>> ==============================================================================
>>> --- head/sys/dev/usb/wlan/if_rsureg.h   Sat Dec 10 18:29:39 2016
>>> (r309824)
>>> +++ head/sys/dev/usb/wlan/if_rsureg.h   Sat Dec 10 18:47:13 2016
>>> (r309825)
>>> @@ -54,6 +54,12 @@
>>>  #define R92S_TIMECTRL          0x0080
>>>  #define R92S_TSFTR             (R92S_TIMECTRL + 0x000)
>>>
>>> +#define R92S_FIFOCTRL          0x00a0
>>> +#define R92S_RXFLTMAP_MGT      (R92S_FIFOCTRL + 0x076)
>>> +#define R92S_RXFLTMAP_CTL      (R92S_FIFOCTRL + 0x078)
>>> +#define R92S_RXFLTMAP_DATA     (R92S_FIFOCTRL + 0x07a)
>>> +#define R92S_RXFLTMAP_MESH     (R92S_FIFOCTRL + 0x07c)
>>> +
>>>  #define R92S_SECURITY          0x0240
>>>  #define R92S_CAMCMD            (R92S_SECURITY + 0x000)
>>>  #define R92S_CAMWRITE          (R92S_SECURITY + 0x004)
>>> @@ -63,6 +69,7 @@
>>>  #define R92S_GPIO_CTRL         (R92S_GP + 0x00c)
>>>  #define R92S_GPIO_IO_SEL       (R92S_GP + 0x00e)
>>>  #define R92S_MAC_PINMUX_CTRL   (R92S_GP + 0x011)
>>> +#define R92S_LEDCFG            (R92S_GP + 0x012)
>>>
>>>  #define R92S_IOCMD_CTRL                0x0370
>>>  #define R92S_IOCMD_DATA                0x0374
>>> @@ -141,6 +148,29 @@
>>>  #define R92S_TCR_IMEM_RDY      0x20
>>>  #define R92S_TCR_FWRDY         0x80
>>>
>>> +/* Bits for R92S_RCR. */
>>> +#define R92S_RCR_AAP           0x00000001
>>> +#define R92S_RCR_APM           0x00000002
>>> +#define R92S_RCR_AM            0x00000004
>>> +#define R92S_RCR_AB            0x00000008
>>> +#define R92S_RCR_ACRC32                0x00000020
>>> +#define R92S_RCR_AICV          0x00001000
>>> +#define R92S_RCR_APP_ICV       0x00010000
>>> +#define R92S_RCR_APP_MIC       0x00020000
>>> +#define R92S_RCR_ADF           0x00040000
>>> +#define R92S_RCR_ACF           0x00080000
>>> +#define R92S_RCR_AMF           0x00100000
>>> +#define R92S_RCR_ADD3          0x00200000
>>> +#define R92S_RCR_APWRMGT       0x00400000
>>> +#define R92S_RCR_CBSSID                0x00800000
>>> +#define R92S_RCR_APP_PHYSTS    0x02000000
>>> +#define R92S_RCR_ENMBID                0x08000000
>>> +
>>> +/* Bits for R92S_RXFLTMAP*. */
>>> +#define R92S_RXFLTMAP_MGT_DEF  0x3f3f
>>> +#define R92S_RXFLTMAP_FW(subtype)      \
>>> +       (1 << ((subtype) >> IEEE80211_FC0_SUBTYPE_SHIFT))
>>> +
>>>  /* Bits for R92S_GPIO_IO_SEL. */
>>>  #define R92S_GPIO_WPS  0x10
>>>
>>> @@ -546,6 +576,11 @@ struct r92s_set_pwr_mode {
>>>         uint8_t         bcn_pass_time;
>>>  } __packed;
>>>
>>> +/* Structure for R92S_CMD_SET_CHANNEL. */
>>> +struct r92s_set_channel {
>>> +       uint32_t        channel;
>>> +} __packed;
>>> +
>>>  /* Structure for event R92S_EVENT_JOIN_BSS. */
>>>  struct r92s_event_join_bss {
>>>         uint32_t        next;
>>> @@ -817,6 +852,7 @@ struct rsu_softc {
>>>         int                             sc_currssi;
>>>
>>>         u_int                           sc_running:1,
>>> +                                       sc_vap_is_running:1,
>>>                                         sc_calibrating:1,
>>>                                         sc_active_scan:1,
>>>                                         sc_extra_scan:1;


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