/*
* Default scan attach method.
*/
void
ieee80211_swscan_attach(struct ieee80211com *ic)
{
struct scan_state *ss;
/*
* Setup the default methods
*/
ic->ic_scan_methods = &swscan_methods;
/* Allocate initial scan state */
ss = (struct scan_state *) IEEE80211_MALLOC(sizeof(struct scan_state),
M_80211_SCAN, IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
if (ss == NULL) {
ic->ic_scan = NULL;
return;
}
TASK_INIT(&ss->ss_scan_start, 0, scan_start, ss);
TIMEOUT_TASK_INIT(ic->ic_tq, &ss->ss_scan_curchan, 0,
scan_curchan_task, ss);
ic->ic_scan = &ss->base;
ss->base.ss_ic = ic;
ic->ic_scan_curchan = scan_curchan;
ic->ic_scan_mindwell = scan_mindwell;
}
void
ieee80211_tdma_vattach(struct ieee80211vap *vap)
{
struct ieee80211_tdma_state *ts;
KASSERT(vap->iv_caps & IEEE80211_C_TDMA,
("not a tdma vap, caps 0x%x", vap->iv_caps));
ts = (struct ieee80211_tdma_state *) IEEE80211_MALLOC(
sizeof(struct ieee80211_tdma_state), M_80211_VAP,
IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
if (ts == NULL) {
printf("%s: cannot allocate TDMA state block\n", __func__);
/* NB: fall back to adhdemo mode */
vap->iv_caps &= ~IEEE80211_C_TDMA;
return;
}
/* NB: default configuration is passive so no beacons */
ts->tdma_version = TDMA_VERSION;
ts->tdma_slotlen = TDMA_SLOTLEN_DEFAULT;
ts->tdma_slotcnt = TDMA_SLOTCNT_DEFAULT;
ts->tdma_bintval = TDMA_BINTVAL_DEFAULT;
ts->tdma_slot = 1; /* passive operation */
/* setup default fixed rates */
settxparms(vap, IEEE80211_MODE_11A, TDMA_TXRATE_11A_DEFAULT);
settxparms(vap, IEEE80211_MODE_11B, TDMA_TXRATE_11B_DEFAULT);
settxparms(vap, IEEE80211_MODE_11G, TDMA_TXRATE_11G_DEFAULT);
settxparms(vap, IEEE80211_MODE_TURBO_A, TDMA_TXRATE_TURBO_DEFAULT);
settxparms(vap, IEEE80211_MODE_TURBO_G, TDMA_TXRATE_TURBO_DEFAULT);
settxparms(vap, IEEE80211_MODE_STURBO_A, TDMA_TXRATE_TURBO_DEFAULT);
settxparms(vap, IEEE80211_MODE_11NA, TDMA_TXRATE_11NA_DEFAULT);
settxparms(vap, IEEE80211_MODE_11NG, TDMA_TXRATE_11NG_DEFAULT);
settxparms(vap, IEEE80211_MODE_HALF, TDMA_TXRATE_HALF_DEFAULT);
settxparms(vap, IEEE80211_MODE_QUARTER, TDMA_TXRATE_QUARTER_DEFAULT);
setackpolicy(vap->iv_ic, 1); /* disable ACK's */
ts->tdma_opdetach = vap->iv_opdetach;
vap->iv_opdetach = tdma_vdetach;
ts->tdma_newstate = vap->iv_newstate;
vap->iv_newstate = tdma_newstate;
vap->iv_bmiss = tdma_beacon_miss;
ts->tdma_recv_mgmt = vap->iv_recv_mgmt;
vap->iv_recv_mgmt = tdma_recv_mgmt;
vap->iv_tdma = ts;
}
void
ieee80211_superg_attach(struct ieee80211com *ic)
{
struct ieee80211_superg *sg;
if (ic->ic_caps & IEEE80211_C_FF) {
sg = (struct ieee80211_superg *) IEEE80211_MALLOC(
sizeof(struct ieee80211_superg), M_80211_VAP,
IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
if (sg == NULL) {
printf("%s: cannot allocate SuperG state block\n",
__func__);
return;
}
ic->ic_superg = sg;
}
ieee80211_ffagemax = msecs_to_ticks(150);
}
void
ieee80211_power_latevattach(struct ieee80211vap *vap)
{
/*
* Allocate these only if needed. Beware that we
* know adhoc mode doesn't support ATIM yet...
*/
if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
vap->iv_tim_len = howmany(vap->iv_max_aid,8) * sizeof(uint8_t);
vap->iv_tim_bitmap = (uint8_t *) IEEE80211_MALLOC(vap->iv_tim_len,
M_80211_POWER,
IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
if (vap->iv_tim_bitmap == NULL) {
printf("%s: no memory for TIM bitmap!\n", __func__);
/* XXX good enough to keep from crashing? */
vap->iv_tim_len = 0;
}
}
}
void
ieee80211_superg_attach(struct ieee80211com *ic)
{
struct ieee80211_superg *sg;
sg = (struct ieee80211_superg *) IEEE80211_MALLOC(
sizeof(struct ieee80211_superg), M_80211_VAP,
IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
if (sg == NULL) {
printf("%s: cannot allocate SuperG state block\n",
__func__);
return;
}
ic->ic_superg = sg;
/*
* Default to not being so aggressive for FF/AMSDU
* aging, otherwise we may hold a frame around
* for way too long before we expire it out.
*/
ieee80211_ffagemax = msecs_to_ticks(2);
}
static void
amrr_init(struct ieee80211vap *vap)
{
struct ieee80211_amrr *amrr;
KASSERT(vap->iv_rs == NULL, ("%s called multiple times", __func__));
#if defined(__DragonFly__)
amrr = vap->iv_rs = kmalloc(sizeof(struct ieee80211_amrr),
M_80211_RATECTL, M_INTWAIT|M_ZERO);
#else
amrr = vap->iv_rs = IEEE80211_MALLOC(sizeof(struct ieee80211_amrr),
M_80211_RATECTL, IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
#endif
if (amrr == NULL) {
if_printf(vap->iv_ifp, "couldn't alloc ratectl structure\n");
return;
}
amrr->amrr_min_success_threshold = IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD;
amrr->amrr_max_success_threshold = IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD;
amrr_setinterval(vap, 500 /* ms */);
amrr_sysctlattach(vap, vap->iv_sysctl, vap->iv_oid);
}
[IEEE80211_MODE_TURBO_G] = CHAN_UNINTERESTING,
[IEEE80211_MODE_STURBO_A] = CHAN_UNINTERESTING,
[IEEE80211_MODE_HALF] = IEEE80211_CHAN_TURBO
| IEEE80211_CHAN_STURBO,
[IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_TURBO
| IEEE80211_CHAN_STURBO,
[IEEE80211_MODE_11NA] = CHAN_UNINTERESTING,
[IEEE80211_MODE_11NG] = CHAN_UNINTERESTING,
};
const struct ieee80211_regdomain *rd = &ic->ic_regdomain;
uint8_t nextchan, chans[IEEE80211_CHAN_BYTES], *frm;
struct ieee80211_appie *aie;
struct ieee80211_country_ie *ie;
int i, skip, nruns;
aie = IEEE80211_MALLOC(IEEE80211_COUNTRY_MAX_SIZE, M_80211_NODE_IE,
IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
if (aie == NULL) {
ic_printf(ic, "%s: unable to allocate memory for country ie\n",
__func__);
/* XXX stat */
return NULL;
}
ie = (struct ieee80211_country_ie *) aie->ie_data;
ie->ie = IEEE80211_ELEMID_COUNTRY;
if (rd->isocc[0] == '\0') {
ic_printf(ic, "no ISO country string for cc %d; using blanks\n",
rd->country);
ie->cc[0] = ie->cc[1] = ' ';
} else {
ie->cc[0] = rd->isocc[0];
ie->cc[1] = rd->isocc[1];
static void
amrr_node_init(struct ieee80211_node *ni)
{
const struct ieee80211_rateset *rs = NULL;
struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211_amrr *amrr = vap->iv_rs;
struct ieee80211_amrr_node *amn;
uint8_t rate;
if (ni->ni_rctls == NULL) {
#if defined(__DragonFly__)
ni->ni_rctls = amn = kmalloc(sizeof(struct ieee80211_amrr_node),
M_80211_RATECTL, M_INTWAIT|M_ZERO);
#else
ni->ni_rctls = amn = IEEE80211_MALLOC(sizeof(struct ieee80211_amrr_node),
M_80211_RATECTL, IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
#endif
if (amn == NULL) {
if_printf(vap->iv_ifp, "couldn't alloc per-node ratectl "
"structure\n");
return;
}
} else
amn = ni->ni_rctls;
amn->amn_amrr = amrr;
amn->amn_success = 0;
amn->amn_recovery = 0;
amn->amn_txcnt = amn->amn_retrycnt = 0;
amn->amn_success_threshold = amrr->amrr_min_success_threshold;
/* 11n or not? Pick the right rateset */
if (amrr_node_is_11n(ni)) {
/* XXX ew */
IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni,
"%s: 11n node", __func__);
rs = (struct ieee80211_rateset *) &ni->ni_htrates;
} else {
IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni,
"%s: non-11n node", __func__);
rs = &ni->ni_rates;
}
/* Initial rate - lowest */
rate = rs->rs_rates[0];
/* XXX clear the basic rate flag if it's not 11n */
if (! amrr_node_is_11n(ni))
rate &= IEEE80211_RATE_VAL;
/* pick initial rate from the rateset - HT or otherwise */
/* Pick something low that's likely to succeed */
for (amn->amn_rix = rs->rs_nrates - 1; amn->amn_rix > 0;
amn->amn_rix--) {
/* legacy - anything < 36mbit, stop searching */
/* 11n - stop at MCS4 */
if (amrr_node_is_11n(ni)) {
if ((rs->rs_rates[amn->amn_rix] & 0x1f) < 4)
break;
} else if ((rs->rs_rates[amn->amn_rix] & IEEE80211_RATE_VAL) <= 72)
break;
}
rate = rs->rs_rates[amn->amn_rix] & IEEE80211_RATE_VAL;
/* if the rate is an 11n rate, ensure the MCS bit is set */
if (amrr_node_is_11n(ni))
rate |= IEEE80211_RATE_MCS;
/* Assign initial rate from the rateset */
ni->ni_txrate = rate;
amn->amn_ticks = ticks;
IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni,
"AMRR: nrates=%d, initial rate %d",
rs->rs_nrates,
rate);
}
