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This sets the BSS channel for each VAP for the given interface.

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It's only relevant in STA mode.

The CSA forces a channel switch for the interface, but doesn't update
the VAP channel.

Approved by:	re (bz)
This commit is contained in:
Adrian Chadd 2011-07-19 15:24:44 +00:00
parent 2ad10b365c
commit 886bbec199
1 changed files with 15 additions and 0 deletions
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15
sys/net80211/ieee80211_proto.c
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@ -1501,6 +1501,11 @@ ieee80211_csa_startswitch(struct ieee80211com *ic,
ieee80211_notify_csa(ic, c, mode, count);
}
/*
* Complete the channel switch by transitioning all CSA VAPs to RUN.
* This is called by both the completion and cancellation functions
* so each VAP is placed back in the RUN state and can thus transmit.
*/
static void
csa_completeswitch(struct ieee80211com *ic)
{
@ -1518,6 +1523,12 @@ csa_completeswitch(struct ieee80211com *ic)
* Complete an 802.11h channel switch started by ieee80211_csa_startswitch.
* We clear state and move all vap's in CSA state to RUN state
* so they can again transmit.
*
* Although this may not be completely correct, update the BSS channel
* for each VAP to the newly configured channel. The setcurchan sets
* the current operating channel for the interface (so the radio does
* switch over) but the VAP BSS isn't updated, leading to incorrectly
* reported information via ioctl.
*/
void
ieee80211_csa_completeswitch(struct ieee80211com *ic)
@ -1527,6 +1538,10 @@ ieee80211_csa_completeswitch(struct ieee80211com *ic)
KASSERT(ic->ic_flags & IEEE80211_F_CSAPENDING, ("csa not pending"));
ieee80211_setcurchan(ic, ic->ic_csa_newchan);
TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
if (vap->iv_state == IEEE80211_S_CSA)
vap->iv_bss->ni_chan = ic->ic_curchan;
csa_completeswitch(ic);
}