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Disable mgmt frame sending in if_rsu.

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The firmware in this NIC sends management frames.  So far I'm not sure which
ones it handles and which ones it doesn't handle - but this is what openbsd
does.

The association messages are handled by the firmware; the key negotiation
for 802.1x and WPA are done as raw frames, not management frames.

This successfully allows it to associate to my home networks whereas it didn't
work beforehand.

Tested:

* RTL8712, cut 3, STA mode

TODO:

* The firmware does send a join response with a status code; that should be
  logged in a more obvious way to assist with debugging.  Ie, the firmware
  is the thing that is saying "couldn't join, sorry!", not net80211.
This commit is contained in:
Adrian Chadd 2015-09-13 19:17:26 +00:00
parent a44aa8e030
commit cf52bbe053
1 changed files with 8 additions and 0 deletions
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8
sys/dev/usb/wlan/if_rsu.c
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@ -298,6 +298,13 @@ rsu_match(device_t self)
return (usbd_lookup_id_by_uaa(rsu_devs, sizeof(rsu_devs), uaa));
}
static int
rsu_send_mgmt(struct ieee80211_node *ni, int type, int arg)
{
return (ENOTSUP);
}
static int
rsu_attach(device_t self)
{
@ -398,6 +405,7 @@ rsu_attach(device_t self)
ic->ic_update_mcast = rsu_update_mcast;
ic->ic_parent = rsu_parent;
ic->ic_transmit = rsu_transmit;
ic->ic_send_mgmt = rsu_send_mgmt;
ieee80211_radiotap_attach(ic, &sc->sc_txtap.wt_ihdr,
sizeof(sc->sc_txtap), RSU_TX_RADIOTAP_PRESENT,