add hack to deal with Ubiquiti XR9 cards, they have a different mapping

between 900MHz and 2.4GHz frequencies than SR9 cards; they are distinguished
by different country codes
This commit is contained in:
Sam Leffler 2008-10-27 18:00:43 +00:00
parent d90e0bbe81
commit dd2a574e16

View File

@ -120,6 +120,8 @@ enum {
ATH_LED_POLL,
};
#define CTRY_XR9 5001 /* Ubiquiti XR9 */
static struct ieee80211vap *ath_vap_create(struct ieee80211com *,
const char name[IFNAMSIZ], int unit, int opmode,
int flags, const uint8_t bssid[IEEE80211_ADDR_LEN],
@ -1317,7 +1319,8 @@ ath_bmiss_proc(void *arg, int pending)
* the frequency possibly mapped for GSM channels.
*/
static void
ath_mapchan(HAL_CHANNEL *hc, const struct ieee80211_channel *chan)
ath_mapchan(const struct ieee80211com *ic,
HAL_CHANNEL *hc, const struct ieee80211_channel *chan)
{
#define N(a) (sizeof(a) / sizeof(a[0]))
static const u_int modeflags[IEEE80211_MODE_MAX] = {
@ -1348,8 +1351,13 @@ ath_mapchan(HAL_CHANNEL *hc, const struct ieee80211_channel *chan)
if (IEEE80211_IS_CHAN_HT40U(chan))
hc->channelFlags |= CHANNEL_HT40PLUS;
hc->channel = IEEE80211_IS_CHAN_GSM(chan) ?
2422 + (922 - chan->ic_freq) : chan->ic_freq;
if (IEEE80211_IS_CHAN_GSM(chan)) {
if (ic->ic_regdomain.country == CTRY_XR9)
hc->channel = 2427 + (chan->ic_freq - 907);
else
hc->channel = 2422 + (922 - chan->ic_freq);
} else
hc->channel = chan->ic_freq;
#undef N
}
@ -1402,7 +1410,7 @@ ath_init(void *arg)
* be followed by initialization of the appropriate bits
* and then setup of the interrupt mask.
*/
ath_mapchan(&sc->sc_curchan, ic->ic_curchan);
ath_mapchan(ic, &sc->sc_curchan, ic->ic_curchan);
ath_settkipmic(sc);
if (!ath_hal_reset(ah, sc->sc_opmode, &sc->sc_curchan, AH_FALSE, &status)) {
if_printf(ifp, "unable to reset hardware; hal status %u\n",
@ -1539,7 +1547,7 @@ ath_reset(struct ifnet *ifp)
* Convert to a HAL channel description with the flags
* constrained to reflect the current operating mode.
*/
ath_mapchan(&sc->sc_curchan, ic->ic_curchan);
ath_mapchan(ic, &sc->sc_curchan, ic->ic_curchan);
ath_hal_intrset(ah, 0); /* disable interrupts */
ath_draintxq(sc); /* stop xmit side */
@ -3723,7 +3731,7 @@ ath_node_getsignal(const struct ieee80211_node *ni, int8_t *rssi, int8_t *noise)
*rssi = ic->ic_node_getrssi(ni);
if (ni->ni_chan != IEEE80211_CHAN_ANYC) {
ath_mapchan(&hchan, ni->ni_chan);
ath_mapchan(ic, &hchan, ni->ni_chan);
*noise = ath_hal_getchannoise(ah, &hchan);
} else
*noise = -95; /* nominally correct */
@ -5435,7 +5443,7 @@ ath_chan_set(struct ath_softc *sc, struct ieee80211_channel *chan)
* the flags constrained to reflect the current
* operating mode.
*/
ath_mapchan(&hchan, chan);
ath_mapchan(ic, &hchan, chan);
DPRINTF(sc, ATH_DEBUG_RESET,
"%s: %u (%u MHz, hal flags 0x%x) -> %u (%u MHz, hal flags 0x%x)\n",
@ -5918,8 +5926,15 @@ getchannels(struct ath_softc *sc, int *nchans, struct ieee80211_channel chans[],
}
if (ath_hal_isgsmsku(ah)) {
/* remap to true frequencies */
ichan->ic_freq = 922 + (2422 - ichan->ic_freq);
/*
* Remap to true frequencies: Ubiquiti XR9 cards use a
* frequency mapping different from their SR9 cards.
* We define special country codes to deal with this.
*/
if (cc == CTRY_XR9)
ichan->ic_freq = 907 + (ichan->ic_freq - 2427);
else
ichan->ic_freq = 922 + (2422 - ichan->ic_freq);
ichan->ic_flags |= IEEE80211_CHAN_GSM;
ichan->ic_ieee = ieee80211_mhz2ieee(ichan->ic_freq,
ichan->ic_flags);