static void
tdma_vdetach(struct ieee80211vap *vap)
{
struct ieee80211_tdma_state *ts = vap->iv_tdma;
if (ts == NULL) {
/* NB: should not have touched any ic state */
return;
}
ts->tdma_opdetach(vap);
free(vap->iv_tdma, M_80211_VAP);
vap->iv_tdma = NULL;
setackpolicy(vap->iv_ic, 0); /* enable ACK's */
}
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;
}
