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misc cleanups; seems to work a little better in a dense-AP environment now.

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1) ignore probe requests rather than printing "unknown mgmt subtype"
	(cosmetic)
 2) don't panic if mget of the 2nd mbuf in a chain fails (patch from MCR)
	(though that whole function badly needs to be rewritten)
 3) be a little more tenacious about hanging on to an access point.
This commit is contained in:
sommerfeld 1999-11-08 13:24:00 +00:00
parent c9954566b9
commit 94bb856781
1 changed files with 19 additions and 12 deletions
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31
sys/dev/ic/awi.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: awi.c,v 1.4 1999/11/06 16:43:53 sommerfeld Exp $ */
/* $NetBSD: awi.c,v 1.5 1999/11/08 13:24:00 sommerfeld Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
@ -211,6 +211,8 @@ void awi_restart_scan __P((struct awi_softc *));
static const u_int8_t snap_magic[] = { 0xaa, 0xaa, 3, 0, 0, 0 };
int awi_scan_keepalive = 10;
/*
* attach (called by bus-specific front end)
*
@ -678,11 +680,11 @@ awi_send_authreq (sc)
*/
/*
auth alg number. 2 bytes. = 0
auth txn seq number = 2 bytes = 1
status code = 2 bytes = 0
challenge text (not present)
*/
* auth alg number. 2 bytes. = 0
* auth txn seq number = 2 bytes = 1
* status code = 2 bytes = 0
* challenge text (not present)
*/
if (m == 0)
return; /* we'll try again later.. */
@ -809,7 +811,7 @@ awi_rcv_data (sc, m)
u_int8_t *to, *from;
struct awi_mac_header *amhp;
sc->sc_scan_timer = 2; /* user data is as good
sc->sc_scan_timer = awi_scan_keepalive; /* user data is as good
as a beacon as a keepalive.. */
amhp = mtod(m, struct awi_mac_header *);
@ -962,6 +964,10 @@ awi_rcv_mgt (sc, m, rxts, rssi)
break;
case IEEEWL_SUBTYPE_PROBEREQ:
/* discard */
break;
case IEEEWL_SUBTYPE_PROBERESP:
/*
* 8 bytes timestamp.
@ -1031,7 +1037,7 @@ awi_rcv_mgt (sc, m, rxts, rssi)
if ((sc->sc_state >= AWI_ST_SYNCED) &&
(memcmp (addr2, sc->sc_active_bss.bss_id,
ETHER_ADDR_LEN) == 0)) {
sc->sc_scan_timer = 2;
sc->sc_scan_timer = awi_scan_keepalive;
awi_set_timer(sc);
}
@ -1236,7 +1242,8 @@ awi_dump_rxchain (sc, what, descr)
/* Get next mbuf.. */
MGET(m1, M_DONTWAIT, MT_DATA);
if (m1 == NULL) {
panic("awi mget"); /* XXX */
m_freem(top);
top = NULL;
}
m->m_next = m1;
m = m1;
@ -1672,7 +1679,7 @@ awi_ioctl(ifp, cmd, data)
switch (ifa->ifa_addr->sa_family) {
#ifdef INET
case AF_INET:
arp_ifinit(&sc->sc_ec.ec_if, ifa);
arp_ifinit(sc->sc_ifp, ifa);
break;
#endif
default:
@ -2245,7 +2252,7 @@ void awi_init_5 (sc, status)
void awi_restart_scan (sc)
struct awi_softc *sc;
{
sc->sc_scan_timer = 1;
sc->sc_scan_timer = 2;
sc->sc_mgt_timer = 0;
awi_set_timer(sc);
@ -2345,7 +2352,7 @@ awi_try_sync (sc)
if (bp == NULL) {
return;
}
sc->sc_scan_timer = 2;
sc->sc_scan_timer = awi_scan_keepalive;
bp = &sc->sc_bindings[best];
memcpy(&sc->sc_active_bss, bp, sizeof(*bp));