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Update rtw(4) for the new IBSS merge idiom, where ieee80211_ibss_merge()

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does not return ENETRESET if the driver should change its BSSID,
but it makes a RUN->RUN transition, instead.
This commit is contained in:
dyoung 2005-12-29 22:23:52 +00:00
parent a44e108963
commit 6910fdde2a
1 changed files with 8 additions and 25 deletions
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33
sys/dev/ic/rtw.c
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@ -1,4 +1,4 @@
/* $NetBSD: rtw.c,v 1.62 2005/12/29 21:08:26 dyoung Exp $ */
/* $NetBSD: rtw.c,v 1.63 2005/12/29 22:23:52 dyoung Exp $ */
/*-
* Copyright (c) 2004, 2005 David Young. All rights reserved.
*
@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: rtw.c,v 1.62 2005/12/29 21:08:26 dyoung Exp $");
__KERNEL_RCSID(0, "$NetBSD: rtw.c,v 1.63 2005/12/29 22:23:52 dyoung Exp $");
#include "bpfilter.h"
@ -3643,25 +3643,6 @@ rtw_tsf_extend(struct rtw_regs *regs, uint32_t rstamp)
return ((uint64_t)tsfth << 32) | rstamp;
}
static void
rtw_ibss_merge(struct rtw_softc *sc, struct ieee80211_node *ni, uint32_t rstamp)
{
uint8_t tppoll;
if (le64toh(ni->ni_tstamp.tsf) < rtw_tsf_extend(&sc->sc_regs, rstamp))
return;
if (ieee80211_ibss_merge(ni) == ENETRESET) {
/* Stop beacon queue. Kick state machine to synchronize
* with the new IBSS.
*/
tppoll = RTW_READ8(&sc->sc_regs, RTW_TPPOLL);
tppoll |= RTW_TPPOLL_SBQ;
RTW_WRITE8(&sc->sc_regs, RTW_TPPOLL, tppoll);
(void)ieee80211_new_state(&sc->sc_ic, IEEE80211_S_RUN, -1);
}
return;
}
static void
rtw_recv_mgmt(struct ieee80211com *ic, struct mbuf *m,
struct ieee80211_node *ni, int subtype, int rssi, uint32_t rstamp)
@ -3674,10 +3655,12 @@ rtw_recv_mgmt(struct ieee80211com *ic, struct mbuf *m,
switch (subtype) {
case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
case IEEE80211_FC0_SUBTYPE_BEACON:
if (ic->ic_opmode != IEEE80211_M_IBSS ||
ic->ic_state != IEEE80211_S_RUN)
return;
rtw_ibss_merge(sc, ni, rstamp);
if (ic->ic_opmode == IEEE80211_M_IBSS &&
ic->ic_state == IEEE80211_S_RUN) {
uint64_t tsf = rtw_tsf_extend(&sc->sc_regs, rstamp);
if (le64toh(ni->ni_tstamp.tsf) >= tsf)
(void)ieee80211_ibss_merge(ni);
}
break;
default:
break;