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188 lines
6.3 KiB
188 lines
6.3 KiB
16 years ago
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--- a/net80211/ieee80211_beacon.c
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+++ b/net80211/ieee80211_beacon.c
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@@ -224,18 +224,18 @@ ieee80211_beacon_alloc(struct ieee80211_
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pktlen = 8 /* time stamp */
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+ sizeof(u_int16_t) /* beacon interval */
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+ sizeof(u_int16_t) /* capability information */
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- + 2 + ni->ni_esslen /* ssid */
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+ + 2 + IEEE80211_NWID_LEN /* ssid */
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+ 2 + IEEE80211_RATE_SIZE /* supported rates */
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+ 7 /* FH/DS parameters max(7,3) */
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- + 2 + 4 + vap->iv_tim_len /* IBSS/TIM parameter set*/
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+ + sizeof(struct ieee80211_tim_ie) + 128 /* IBSS/TIM parameter set*/
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+ ic->ic_country_ie.country_len + 2 /* country code */
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+ 3 /* power constraint */
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+ 5 /* channel switch announcement */
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+ 3 /* ERP */
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+ 2 + (IEEE80211_RATE_MAXSIZE - IEEE80211_RATE_SIZE) /* Ext. Supp. Rates */
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- + (vap->iv_caps & IEEE80211_C_WME ? /* WME */
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+ + (ic->ic_caps & IEEE80211_C_WME ? /* WME */
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sizeof(struct ieee80211_wme_param) : 0)
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- + (vap->iv_caps & IEEE80211_C_WPA ? /* WPA 1+2 */
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+ + (ic->ic_caps & IEEE80211_C_WPA ? /* WPA 1+2 */
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2 * sizeof(struct ieee80211_ie_wpa) : 0)
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+ sizeof(struct ieee80211_ie_athAdvCap)
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#ifdef ATH_SUPERG_XR
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@@ -290,17 +290,26 @@ ieee80211_beacon_update(struct ieee80211
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IEEE80211_LOCK_IRQ(ic);
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/* Check if we need to change channel right now */
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- if ((ic->ic_flags & IEEE80211_F_DOTH) &&
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- (vap->iv_flags & IEEE80211_F_CHANSWITCH)) {
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- struct ieee80211_channel *c =
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+ if (ic->ic_flags & IEEE80211_F_CHANSWITCH) {
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+ struct ieee80211_channel *c =
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ieee80211_doth_findchan(vap, ic->ic_chanchange_chan);
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-
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- if (!vap->iv_chanchange_count && !c) {
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- vap->iv_flags &= ~IEEE80211_F_CHANSWITCH;
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- ic->ic_flags &= ~IEEE80211_F_CHANSWITCH;
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- } else if (vap->iv_chanchange_count &&
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- ((!ic->ic_chanchange_tbtt) ||
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- (vap->iv_chanchange_count == ic->ic_chanchange_tbtt))) {
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+ struct ieee80211vap *avp;
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+ int do_switch = 1;
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+
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+ TAILQ_FOREACH(avp, &ic->ic_vaps, iv_next) {
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+ if (!(avp->iv_flags & IEEE80211_F_CHANSWITCH))
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+ continue;
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+
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+ do_switch = 0;
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+ break;
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+ }
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+ if (vap->iv_flags & IEEE80211_F_CHANSWITCH) {
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+ if (vap->iv_chanchange_count-- <= 1) {
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+ vap->iv_flags &= ~IEEE80211_F_CHANSWITCH;
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+ vap->iv_chanchange_count = 0;
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+ }
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+ }
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+ if (do_switch) {
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u_int8_t *frm;
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IEEE80211_DPRINTF(vap, IEEE80211_MSG_DOTH,
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@@ -316,16 +325,7 @@ ieee80211_beacon_update(struct ieee80211
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} else
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ic->ic_bsschan = c;
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- skb_pull(skb, sizeof(struct ieee80211_frame));
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- skb_trim(skb, 0);
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- frm = skb->data;
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- skb_put(skb, ieee80211_beacon_init(ni, bo, frm) - frm);
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- skb_push(skb, sizeof(struct ieee80211_frame));
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-
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- vap->iv_chanchange_count = 0;
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- vap->iv_flags &= ~IEEE80211_F_CHANSWITCH;
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ic->ic_flags &= ~IEEE80211_F_CHANSWITCH;
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-
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/* NB: Only for the first VAP to get here, and when we
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* have a valid channel to which to change. */
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if (c && (ic->ic_curchan != c)) {
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@@ -488,22 +488,20 @@ ieee80211_beacon_update(struct ieee80211
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if (IEEE80211_IS_MODE_BEACON(vap->iv_opmode)) {
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- if ((ic->ic_flags & IEEE80211_F_DOTH) &&
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- (ic->ic_flags & IEEE80211_F_CHANSWITCH)) {
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+ if (ic->ic_flags & IEEE80211_F_CHANSWITCH) {
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struct ieee80211_ie_csa *csa_ie =
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(struct ieee80211_ie_csa *)bo->bo_chanswitch;
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- IEEE80211_DPRINTF(vap, IEEE80211_MSG_DOTH,
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+ if (csa_ie->csa_len == 0) {
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+ IEEE80211_DPRINTF(vap, IEEE80211_MSG_DOTH,
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"%s: Sending 802.11h chanswitch IE: "
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"%d/%d\n", __func__,
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ic->ic_chanchange_chan,
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ic->ic_chanchange_tbtt);
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- if (!vap->iv_chanchange_count) {
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- vap->iv_flags |= IEEE80211_F_CHANSWITCH;
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/* copy out trailer to open up a slot */
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memmove(bo->bo_chanswitch + sizeof(*csa_ie),
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- bo->bo_chanswitch,
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+ bo->bo_chanswitch,
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bo->bo_chanswitch_trailerlen);
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/* add ie in opened slot */
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@@ -523,17 +521,15 @@ ieee80211_beacon_update(struct ieee80211
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bo->bo_ath_caps += sizeof(*csa_ie);
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bo->bo_xr += sizeof(*csa_ie);
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- /* indicate new beacon length so other layers
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+ /* indicate new beacon length so other layers
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* may manage memory */
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skb_put(skb, sizeof(*csa_ie));
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len_changed = 1;
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- } else if(csa_ie->csa_count)
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- csa_ie->csa_count--;
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-
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- vap->iv_chanchange_count++;
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- IEEE80211_DPRINTF(vap, IEEE80211_MSG_DOTH,
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- "%s: CHANSWITCH IE, change in %d TBTT\n",
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- __func__, csa_ie->csa_count);
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+
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+ IEEE80211_DPRINTF(vap, IEEE80211_MSG_DOTH,
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+ "%s: CHANSWITCH IE, change in %d TBTT\n",
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+ __func__, csa_ie->csa_count);
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+ }
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}
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#ifdef ATH_SUPERG_XR
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if (vap->iv_flags & IEEE80211_F_XRUPDATE) {
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--- a/net80211/ieee80211_wireless.c
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+++ b/net80211/ieee80211_wireless.c
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@@ -699,39 +699,11 @@ ieee80211_ioctl_siwfreq(struct net_devic
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if (c == NULL) /* no channel */
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return -EINVAL;
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}
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- /*
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- * Fine tune channel selection based on desired mode:
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- * if 11b is requested, find the 11b version of any
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- * 11g channel returned,
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- * if static turbo, find the turbo version of any
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- * 11a channel return,
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- * otherwise we should be ok with what we've got.
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- */
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- switch (vap->iv_des_mode) {
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- case IEEE80211_MODE_11B:
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- if (IEEE80211_IS_CHAN_ANYG(c)) {
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- c2 = findchannel(ic, i, IEEE80211_MODE_11B);
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- /* NB: should not happen, =>'s 11g w/o 11b */
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- if (c2 != NULL)
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- c = c2;
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- }
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- break;
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- case IEEE80211_MODE_TURBO_A:
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- if (IEEE80211_IS_CHAN_A(c)) {
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- c2 = findchannel(ic, i, IEEE80211_MODE_TURBO_A);
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- if (c2 != NULL)
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- c = c2;
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- }
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- break;
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- default: /* NB: no static turboG */
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- break;
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- }
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+
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if (ieee80211_check_mode_consistency(ic, vap->iv_des_mode, c)) {
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if (vap->iv_opmode == IEEE80211_M_HOSTAP)
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return -EINVAL;
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}
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- if ((vap->iv_state == IEEE80211_S_RUN) && (c == vap->iv_des_chan))
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- return 0; /* no change, return */
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/* Don't allow to change to channel with radar found */
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if (c->ic_flags & IEEE80211_CHAN_RADAR)
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@@ -4625,7 +4597,13 @@ static void
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pre_announced_chanswitch(struct net_device *dev, u_int32_t channel, u_int32_t tbtt) {
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struct ieee80211vap *vap = dev->priv;
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struct ieee80211com *ic = vap->iv_ic;
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+ struct ieee80211vap *avp;
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+
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/* now flag the beacon update to include the channel switch IE */
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+ TAILQ_FOREACH(avp, &ic->ic_vaps, iv_next) {
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+ avp->iv_flags |= IEEE80211_F_CHANSWITCH;
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+ avp->iv_chanchange_count = tbtt;
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+ }
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ic->ic_flags |= IEEE80211_F_CHANSWITCH;
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ic->ic_chanchange_chan = channel;
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ic->ic_chanchange_tbtt = tbtt;
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