/*
* Setup the channel list for the specified regulatory domain,
* country code, and operating modes. This interface is used
* when a driver does not obtain the channel list from another
* source (such as firmware).
*/
int
ieee80211_init_channels(struct ieee80211com *ic,
const struct ieee80211_regdomain *rd, const uint8_t bands[])
{
int i;
/* XXX just do something for now */
ic->ic_nchans = 0;
if (isset(bands, IEEE80211_MODE_11B) ||
isset(bands, IEEE80211_MODE_11G)) {
int maxchan = 11;
if (rd != NULL && rd->ecm)
maxchan = 14;
for (i = 1; i <= maxchan; i++) {
if (isset(bands, IEEE80211_MODE_11B))
addchan(ic, i, IEEE80211_CHAN_B);
if (isset(bands, IEEE80211_MODE_11G))
addchan(ic, i, IEEE80211_CHAN_G);
}
}
if (isset(bands, IEEE80211_MODE_11A)) {
for (i = 36; i <= 64; i += 4)
addchan(ic, i, IEEE80211_CHAN_A);
for (i = 100; i <= 140; i += 4)
addchan(ic, i, IEEE80211_CHAN_A);
for (i = 149; i <= 161; i += 4)
addchan(ic, i, IEEE80211_CHAN_A);
}
if (rd != NULL)
ic->ic_regdomain = *rd;
return 0;
}
static int
add_chanlist_band(struct ath_hal *ah, struct ieee80211_channel chans[],
int maxchans, int *nchans, uint16_t freq_lo, uint16_t freq_hi, int step,
uint32_t flags, REG_DMN_FREQ_BAND *fband, REG_DOMAIN *rd)
{
uint16_t freq = freq_lo;
int error;
if (freq_hi < freq_lo)
return (0);
error = addchan(ah, chans, maxchans, nchans, freq, flags, fband, rd);
for (freq += step; freq <= freq_hi && error == 0; freq += step)
error = copychan_prev(ah, chans, maxchans, nchans, freq);
return (error);
}
void
getstatement(void) /* get next statement */
{
EPNODE *ep;
char *qname;
VARDEF *vdef;
if (nextc == ';') { /* empty statement */
scan();
return;
}
if (esupport&E_OUTCHAN &&
nextc == '$') { /* channel assignment */
ep = getchan();
addchan(ep);
} else { /* ordinary definition */
ep = getdefn();
qname = qualname(dname(ep), 0);
if (esupport&E_REDEFW && (vdef = varlookup(qname)) != NULL) {
if (vdef->def != NULL && epcmp(ep, vdef->def)) {
wputs(qname);
if (vdef->def->type == ':')
wputs(": redefined constant expression\n");
else
wputs(": redefined\n");
} else if (ep->v.kid->type == FUNC && vdef->lib != NULL) {
wputs(qname);
wputs(": definition hides library function\n");
}
}
if (ep->type == ':')
dremove(qname);
else
dclear(qname);
dpush(qname, ep);
}
if (nextc != EOF) {
if (nextc != ';')
syntax("';' expected");
scan();
}
}
static int
add_chanlist_band(struct ath_hal *ah, struct ieee80211_channel chans[],
int maxchans, int *nchans, uint16_t freq_lo, uint16_t freq_hi, int step,
uint32_t flags, REG_DMN_FREQ_BAND *fband, REG_DOMAIN *rd)
{
uint16_t freq = freq_lo;
int error;
if (freq_hi < freq_lo)
return (0);
HALDEBUG(ah, HAL_DEBUG_REGDOMAIN,
"%s: freq=%d..%d, flags=0x%08x, step=%d\n", __func__,
(int) freq_lo, (int) freq_hi, flags, step);
error = addchan(ah, chans, maxchans, nchans, freq, flags, fband, rd);
for (freq += step; freq <= freq_hi && error == 0; freq += step)
error = copychan_prev(ah, chans, maxchans, nchans, freq, flags);
return (error);
}
/*
* Setup the channel list for the specified regulatory domain,
* country code, and operating modes. This interface is used
* when a driver does not obtain the channel list from another
* source (such as firmware).
*/
int
ieee80211_init_channels(struct ieee80211com *ic,
const struct ieee80211_regdomain *rd, const uint8_t bands[])
{
int i;
/* XXX just do something for now */
ic->ic_nchans = 0;
if (isset(bands, IEEE80211_MODE_11B) ||
isset(bands, IEEE80211_MODE_11G) ||
isset(bands, IEEE80211_MODE_11NG)) {
int maxchan = 11;
if (rd != NULL && rd->ecm)
maxchan = 14;
for (i = 1; i <= maxchan; i++) {
if (isset(bands, IEEE80211_MODE_11B))
addchan(ic, i, IEEE80211_CHAN_B);
if (isset(bands, IEEE80211_MODE_11G))
addchan(ic, i, IEEE80211_CHAN_G);
if (isset(bands, IEEE80211_MODE_11NG)) {
addchan(ic, i,
IEEE80211_CHAN_G | IEEE80211_CHAN_HT20);
}
if ((ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40) == 0)
continue;
if (i <= 7) {
addchan(ic, i,
IEEE80211_CHAN_G | IEEE80211_CHAN_HT40U);
addchan(ic, i + 4,
IEEE80211_CHAN_G | IEEE80211_CHAN_HT40D);
}
}
}
if (isset(bands, IEEE80211_MODE_11A) ||
isset(bands, IEEE80211_MODE_11NA)) {
for (i = 36; i <= 64; i += 4) {
addchan(ic, i, IEEE80211_CHAN_A);
if (isset(bands, IEEE80211_MODE_11NA)) {
addchan(ic, i,
IEEE80211_CHAN_A | IEEE80211_CHAN_HT20);
}
if ((ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40) == 0)
continue;
if ((i % 8) == 4) {
addchan(ic, i,
IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U);
addchan(ic, i + 4,
IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D);
}
}
for (i = 100; i <= 140; i += 4) {
addchan(ic, i, IEEE80211_CHAN_A);
if (isset(bands, IEEE80211_MODE_11NA)) {
addchan(ic, i,
IEEE80211_CHAN_A | IEEE80211_CHAN_HT20);
}
if ((ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40) == 0)
continue;
if ((i % 8) == 4 && i != 140) {
addchan(ic, i,
IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U);
addchan(ic, i + 4,
IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D);
}
}
for (i = 149; i <= 161; i += 4) {
addchan(ic, i, IEEE80211_CHAN_A);
if (isset(bands, IEEE80211_MODE_11NA)) {
addchan(ic, i,
IEEE80211_CHAN_A | IEEE80211_CHAN_HT20);
}
if ((ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40) == 0)
continue;
if ((i % 8) == 5) {
addchan(ic, i,
IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U);
addchan(ic, i + 4,
IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D);
}
}
}
if (rd != NULL)
ic->ic_regdomain = *rd;
return 0;
}
