static void
add_chanlist_mode(struct ath_hal *ah, struct ieee80211_channel chans[],
u_int maxchans, int *nchans, const struct cmode *cm, REG_DOMAIN *rd,
HAL_BOOL enableExtendedChannels)
{
uint64_t *channelBM;
uint16_t freq_lo, freq_hi;
int b, error, low_adj, hi_adj, channelSep;
if (!ath_hal_getChannelEdges(ah, cm->flags, &freq_lo, &freq_hi)) {
/* channel not supported by hardware, skip it */
HALDEBUG(ah, HAL_DEBUG_REGDOMAIN,
"%s: channels 0x%x not supported by hardware\n",
__func__, cm->flags);
return;
}
channelBM = getchannelBM(cm->mode, rd);
if (isChanBitMaskZero(channelBM))
return;
/*
* Setup special handling for HT40 channels; e.g.
* 5G HT40 channels require 40Mhz channel separation.
*/
adj_freq_ht40(cm->mode, &low_adj, &hi_adj, &channelSep);
for (b = 0; b < 64*BMLEN; b++) {
REG_DMN_FREQ_BAND *fband;
uint16_t bfreq_lo, bfreq_hi;
int step;
if (!IS_BIT_SET(b, channelBM))
continue;
fband = &cm->freqs[b];
if ((fband->usePassScan & IS_ECM_CHAN) &&
!enableExtendedChannels) {
HALDEBUG(ah, HAL_DEBUG_REGDOMAIN,
"skip ecm channels\n");
continue;
}
#if 0
if ((fband->useDfs & rd->dfsMask) &&
(cm->flags & IEEE80211_CHAN_HT40)) {
/* NB: DFS and HT40 don't mix */
HALDEBUG(ah, HAL_DEBUG_REGDOMAIN,
"skip HT40 chan, DFS required\n");
continue;
}
#endif
/*
* XXX TODO: handle REG_EXT_FCC_CH_144.
*
* Figure out which instances/uses cause us to not
* be allowed to use channel 144 (pri or sec overlap.)
*/
bfreq_lo = MAX(fband->lowChannel + low_adj, freq_lo);
bfreq_hi = MIN(fband->highChannel + hi_adj, freq_hi);
/*
* Don't start the 5GHz channel list at 5120MHz.
*
* Unfortunately (sigh) the HT40 channel creation
* logic will create HT40U channels at 5120, 5160, 5200.
* This means that 36 (5180) isn't considered as a
* HT40 channel, and everything goes messed up from there.
*/
if ((cm->flags & IEEE80211_CHAN_5GHZ) &&
(cm->flags & IEEE80211_CHAN_HT40U)) {
if (bfreq_lo < 5180)
bfreq_lo = 5180;
}
/*
* Same with HT40D - need to start at 5200 or the low
* channels are all wrong again.
*/
if ((cm->flags & IEEE80211_CHAN_5GHZ) &&
(cm->flags & IEEE80211_CHAN_HT40D)) {
if (bfreq_lo < 5200)
bfreq_lo = 5200;
}
if (fband->channelSep >= channelSep)
step = fband->channelSep;
else
step = roundup(channelSep, fband->channelSep);
HALDEBUG(ah, HAL_DEBUG_REGDOMAIN,
"%s: freq_lo=%d, freq_hi=%d, low_adj=%d, hi_adj=%d, "
"bandlo=%d, bandhi=%d, bfreqlo=%d, bfreqhi=%d, step=%d, "
"flags=0x%08x\n",
__func__,
(int) freq_lo,
(int) freq_hi,
(int) low_adj,
(int) hi_adj,
(int) fband->lowChannel,
(int) fband->highChannel,
(int) bfreq_lo,
(int) bfreq_hi,
step,
(int) cm->flags);
error = add_chanlist_band(ah, chans, maxchans, nchans,
bfreq_lo, bfreq_hi, step, cm->flags, fband, rd);
if (error != 0) {
HALDEBUG(ah, HAL_DEBUG_REGDOMAIN,
"%s: too many channels for channel table\n",
__func__);
return;
}
}
}
static void
add_chanlist_mode(struct ath_hal *ah, struct ieee80211_channel chans[],
u_int maxchans, int *nchans, const struct cmode *cm, REG_DOMAIN *rd,
HAL_BOOL enableExtendedChannels)
{
uint64_t *channelBM;
uint16_t freq_lo, freq_hi;
int b, error, low_adj, hi_adj, channelSep;
if (!ath_hal_getChannelEdges(ah, cm->flags, &freq_lo, &freq_hi)) {
/* channel not supported by hardware, skip it */
HALDEBUG(ah, HAL_DEBUG_REGDOMAIN,
"%s: channels 0x%x not supported by hardware\n",
__func__, cm->flags);
return;
}
channelBM = getchannelBM(cm->mode, rd);
if (isChanBitMaskZero(channelBM))
return;
/*
* Setup special handling for HT40 channels; e.g.
* 5G HT40 channels require 40Mhz channel separation.
*/
adj_freq_ht40(cm->mode, &low_adj, &hi_adj, &channelSep);
for (b = 0; b < 64*BMLEN; b++) {
REG_DMN_FREQ_BAND *fband;
uint16_t bfreq_lo, bfreq_hi;
int step;
if (!IS_BIT_SET(b, channelBM))
continue;
fband = &cm->freqs[b];
if ((fband->usePassScan & IS_ECM_CHAN) &&
!enableExtendedChannels) {
HALDEBUG(ah, HAL_DEBUG_REGDOMAIN,
"skip ecm channels\n");
continue;
}
#if 0
if ((fband->useDfs & rd->dfsMask) &&
(cm->flags & IEEE80211_CHAN_HT40)) {
/* NB: DFS and HT40 don't mix */
HALDEBUG(ah, HAL_DEBUG_REGDOMAIN,
"skip HT40 chan, DFS required\n");
continue;
}
#endif
/*
* XXX TODO: handle REG_EXT_FCC_CH_144.
*
* Figure out which instances/uses cause us to not
* be allowed to use channel 144 (pri or sec overlap.)
*/
bfreq_lo = MAX(fband->lowChannel + low_adj, freq_lo);
bfreq_hi = MIN(fband->highChannel + hi_adj, freq_hi);
if (fband->channelSep >= channelSep)
step = fband->channelSep;
else
step = roundup(channelSep, fband->channelSep);
error = add_chanlist_band(ah, chans, maxchans, nchans,
bfreq_lo, bfreq_hi, step, cm->flags, fband, rd);
if (error != 0) {
HALDEBUG(ah, HAL_DEBUG_REGDOMAIN,
"%s: too many channels for channel table\n",
__func__);
return;
}
}
}
